WO1999047967A1 - Corps constitue de resine et de cristaux liquides, dispositif a cristaux liquides, affichage a cristaux liquides comportant ledit dispositif et procedes de fabrication - Google Patents
Corps constitue de resine et de cristaux liquides, dispositif a cristaux liquides, affichage a cristaux liquides comportant ledit dispositif et procedes de fabrication Download PDFInfo
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- WO1999047967A1 WO1999047967A1 PCT/JP1999/001374 JP9901374W WO9947967A1 WO 1999047967 A1 WO1999047967 A1 WO 1999047967A1 JP 9901374 W JP9901374 W JP 9901374W WO 9947967 A1 WO9947967 A1 WO 9947967A1
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- liquid crystal
- resin film
- light
- wavelength
- film
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1341—Filling or closing of cells
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133377—Cells with plural compartments or having plurality of liquid crystal microcells partitioned by walls, e.g. one microcell per pixel
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
- G02F1/13475—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which at least one liquid crystal cell or layer is doped with a pleochroic dye, e.g. GH-LC cell
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/13725—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on guest-host interaction
Definitions
- the present invention is directed to a twisted nematic (TN) type and an inlay used for a television or a computer display.
- a liquid crystal display device such as a plane switching (IPS) type, and the above-mentioned liquid crystal display device, a blind glass having a dimming function, and a liquid crystal shutter.
- the present invention relates to resins and liquid crystal forming bodies, liquid crystal devices, and manufacturing methods used in such applications. Background technology
- a pair of glass substrates are bonded so as to form a predetermined gap via a spacer, and the above-mentioned gap is formed.
- a liquid crystal (nematic liquid crystal or the like) is injected to form a liquid crystal panel, and polarizing plates are provided on both sides of the liquid crystal panel. Yes.
- a transparent pixel electrode and a thin-film transistor (TFT) are formed on one side of the glass substrate.
- TFT thin-film transistor
- a color mosaic filter composed of a group of minute filters of red, green and blue, and a transparent common electrode.
- a directing film is formed on each of the glass substrate and the transparent pixel electrode and the transparent common electrode.
- These alignment films are formed, for example, by applying a polyvinyl alcohol / polyimide solution on each electrode by a spinner to form a film. Formed by rubbing and orienting .
- the liquid crystal display device as described above irradiates light from the rear side with light, and also applies an image signal voltage to each transparent pixel electrode via a TFT, By controlling the light transmittance of the liquid crystal corresponding to each pixel, a color image is displayed.
- the above-mentioned conventional liquid crystal display device requires a step of injecting liquid crystal into the gap of the glass substrate, and this step requires a long time.
- the manufacturing cost was high. Specifically, it depends on the size of the liquid crystal display device. For example, in a 10-inch type liquid crystal display device, a vacuum of about 5 gaps is required. It took about 2 hours to inject the liquid crystal, which was extremely inefficient.
- the above-mentioned conventional liquid crystal display device has a low transmissivity of a color filter, so that the entire transmissivity is reduced.
- a reflection type liquid crystal display device using external light is used. In this case, the colors will be hard to recognize and will be dark.
- the present invention does not require a liquid crystal injection step, and can simplify a manufacturing process and reduce a manufacturing cost.
- the purpose is to provide liquid crystal display devices using them and to provide these manufacturing methods.
- the present invention aims to provide a liquid crystal display device which can be easily reduced in weight and thickness and which is suitable for application to portable equipment. Disclosure of the invention
- the present invention has been made in view of the above circumstances, and has a light and thin structure, and is suitable for application to a portable device.
- Equipment is to be provided.
- Another object of the present invention is to provide a method of manufacturing a liquid crystal display device which does not require a liquid crystal injection step, and can simplify a manufacturing process and reduce a manufacturing cost. .
- a group of the present invention is based on the same or similar ideas. However, each invention is embodied by a different embodiment, and therefore, in this specification, a group of the present invention is closely related.
- Each of the inventions is divided into a first invention group, a second invention group, and a third invention group. In the following, the content of each category (group of inventions) will be described in order.
- the invention according to claim 1 of the present invention relates to a liquid crystal display device, comprising at least a pixel electrode, a switching element connected to the pixel electrode, and an alignment film.
- the liquid crystal is sealed between one substrate and the resin film, and therefore, compared to a liquid crystal display device in which the liquid crystal is sealed between a pair of substrates.
- the weight can be easily reduced, and a liquid crystal display device suitable for application to a portable device can be obtained.
- the invention according to claim 2 is the liquid crystal display device according to claim 1, wherein the photosensitive bleeder polymer is polymerized and cured between the substrate and the resin film by exposure. And a support member formed by forming the support member. ing .
- the distance between the substrate and the resin film, that is, the thickness of the liquid crystal layer can be easily kept constant, and a liquid crystal display device with little display unevenness can be obtained. And can be done.
- the invention according to claim 3 is the liquid crystal display device according to claim 1, characterized in that the resin film contains an acrylic substance.
- the invention according to claim 4 or claim 5 is the liquid crystal display device according to claim 1, wherein the liquid crystal layer is a nematic liquid crystal, and more specifically, a transmissive liquid crystal. It is characterized by including a liquid crystal matrix.
- the invention according to claim 6 or 7 is the liquid crystal display device according to claim 1 or claim 2, wherein the resin film has a photosensitive prepolymer and a polarized light. Upon exposure, the molecules are formed by polymerization and curing so that the molecules have directionality, and a counter electrode is formed on the opposite side of the resin film from the liquid crystal layer. This is the feature.
- the invention according to claim 8 is the liquid crystal display device according to claim 6, wherein a color filter is provided on a side of the resin film opposite to the liquid crystal layer. This is the feature.
- the invention according to claim 9 is the liquid crystal display device according to claim 8, wherein the counter electrode is formed of a transparent conductive film, and the counter electrode is formed of the resin film and the resin film. It is characterized in that it is provided between a color filter or on the opposite side of the color filter from the resin film.
- a transparent liquid crystal display device having a lightweight, light-capable, liquid crystal display mode, a home port, and a pick-up mode can be realized. Obtainable .
- the invention according to claim 10 is the liquid crystal display device according to claim 8, wherein the counter electrode is formed of a material that reflects light, and the color filter is formed of a material that reflects light.
- the separator is characterized in that it is provided between the resin film and the counter electrode.
- the invention of claim 11 or claim 12 is the liquid crystal display device of claim 1 or claim 2, wherein the substrate further has a common electrode (counter electrode). It is characterized by being formed.
- claim 13 or claim 14 corresponds to claim 11 or claim
- the resin film is formed by polymerizing and curing the photosensitive prepolymer so that the molecules are directional by exposure to polarized light. It is characterized by being described.
- the resin film has an alignment function of giving a predetermined tilt angle to the liquid crystal molecules near the resin film, the stability of the alignment state of the liquid crystal is improved, Lightweight and high-quality display switching It is possible to obtain a liquid crystal display device of the type.
- the invention according to claim 15 is the liquid crystal display device according to claim 11, wherein a color filter is provided on the opposite side of the resin film from the liquid crystal layer. It is characterized by
- the invention according to claim 16 is the liquid crystal display device according to claim 15, further comprising a portion between the resin film and the color filter or a portion between the resin film and the color filter.
- An electrode formed of a transparent conductive film is provided on the opposite side of the resin film from the above-mentioned resin film.
- the alignment stability of the liquid crystal molecules is not easily affected by static electricity, even if the resin film is thin, even if the resin film is thin. It is possible to obtain an excellent impedance switching type liquid crystal display device.
- the invention according to claim 17 is the liquid crystal display device according to claim 15, further comprising: a material that reflects light on the opposite side of the color filter from the resin film. It is characterized in that an electrode formed from the above is provided.
- the invention according to claim 18 is directed to a method in which a pixel electrode, a switching element connected to the pixel electrode, a substrate on which an alignment film is formed, and a photosensitive prepolymer are exposed.
- a method of manufacturing a liquid crystal display device comprising: a resin film formed by polymerization and curing by the method described above; and a liquid crystal layer sealed between the substrate and the resin film.
- a step of forming a body film and the mixture The film is exposed to light of a first wavelength from the side opposite to the substrate to precipitate out the photosensitive prepolymer in the mixture film, polymerize and cure, and cure the mixture film. And a resin film forming step of forming a resin film on the surface.
- the photosensitive prepolymer in the mixture film is deposited to form a resin film, and the liquid crystal layer is formed by the remaining liquid crystal.
- the liquid crystal layer can be formed without requiring a time-consuming liquid crystal injection step, which simplifies the manufacturing process and reduces the manufacturing cost. Since the liquid crystal is sealed between one substrate and the resin film, the liquid crystal display device has the liquid crystal sealed between a pair of substrates. Compared with, the weight can be easily reduced.
- An invention according to claim 19 is the method for manufacturing a liquid crystal display device according to claim 18, wherein the resin film forming step includes the step of forming a predetermined amount of the photosensitive prepolymer in the mixture film. To form a resin film, and further, selectively exposing a predetermined region in the mixture film to light of a second wavelength, Forming a support member between the substrate and the resin film in the region by polymerizing and curing the photosensitive prepolymer remaining in the film; It is characterized by having.
- the supporting member can be formed by the photosensitive prepolymer remaining in the mixture film, thereby simplifying the manufacturing process.
- the invention according to claim 20 is the method for manufacturing a liquid crystal display device according to claim 19, wherein the supporting member forming step includes a step of forming a predetermined amount of photosensitive pres- sion remaining in the mixture film.
- the polymer is deposited to form a support member, and the mixture film is exposed to light of a third wavelength from the resin film side.
- the photosensitive prepolymer remaining in the mixture film is precipitated and polymerized and cured to form an inner resin film on the substrate side of the resin film. It is characterized by having an inner surface side resin film forming step.
- the photosensitive prepolymer remaining in the mixture film is deposited to form an inner resin film, and the remaining liquid crystal forms a liquid crystal layer.
- the purity of the liquid crystal in the liquid crystal layer can be easily increased.
- the invention according to claim 21 is the method for manufacturing a liquid crystal display device according to claim 18, wherein the photosensitive prepolymer includes an acrylate-based substance. It is said that.
- a liquid crystal display device with excellent transparency to light in the light range can be manufactured.
- the invention of claim 22 or claim 23 is a method for manufacturing a liquid crystal display device of claim 18, wherein the liquid crystal is a nematic liquid crystal, and more specifically. Is characterized by including a trans-nematic liquid crystal.
- the photosensitive prepolymer and the liquid crystal are easily separated from each other by the exposure of the mixture film, and the photosensitive prepolymer is easily precipitated out by depositing the photosensitive prepolymer.
- a film or the like can be formed, and a liquid crystal display device with stable operation can be easily manufactured by using easily available liquid crystal.
- the invention according to claims 24 to 32 is the method for manufacturing a liquid crystal display device according to claims 18 to 20, wherein the mixed film further comprises a light-sensitive preform.
- Polymerization initiators or sensitizers for example, benzoyl-based substances, more specifically 2,2-dimethoxine 1,2-di It is characterized in that it contains 11-phenyl ethane. This makes it possible to efficiently carry out the polymerization and curing of the photosensitive prepolymer, so that the curing speed of the photosensitive prepolymer is increased, and Further, the manufacturing process can be further simplified.
- the invention according to claims 33 to 35 is the method for manufacturing a liquid crystal display device according to claims 18 to 20, wherein the resin film forming step includes reciprocity failure of the mixture film. It is characterized in that exposure is performed by light of the first wavelength under the conditions described above.
- the light-sensitive prepolymer is easily polymerized and hardened in the vicinity of the surface of the mixed film that absorbs the most light, and the condition of reciprocity failure is reduced. This makes it easier to selectively form a resin film on the surface of the mixture film by precipitating a more photosensitive polymer.
- the invention of claims 36 to 41 is the method for manufacturing a liquid crystal display device of claims 18 to 20, wherein the light of the first wavelength is used as the light of the first wavelength.
- the light of the wavelength in the absorption region in the light absorption characteristics of the repolymer is used.
- the photosensitive prepolymer is a polystyrene crystal. It is characterized in that it uses a far-ultraviolet light having a wavelength of 254 nm as the light of the first wavelength, in addition to containing a heat-based substance.
- the invention according to claim 42 or claim 43 is the method for manufacturing a liquid crystal display device according to claim 19 or claim 20, wherein the resin film forming step comprises: Exposure to light of the first wavelength is performed under conditions of reciprocity failure, and the supporting member forming step includes reciprocating the mixture film with the reciprocity law. It is characterized in that it is performed by exposing with the light of the second wavelength under the above conditions.
- a photosensitive polymer is deposited near the surface of the mixture film and polymerized and hardened. It is easy to selectively form a resin film on the surface of the mixture film, and when the second light is irradiated under reciprocity conditions, the resin film is formed on the mixture film.
- the photosensitive polymer is easily polymerized and hardened to the portion near the substrate, and the support member can be easily and reliably formed between the resin film and the substrate. .
- the invention of claim 44 or claim 45 is a method of manufacturing the liquid crystal display device of claim 19 or claim 20, wherein the light of the second wavelength is
- the light-sensitive prepolymer is characterized in that light having a smaller absorbance than the light of the first wavelength is used.
- the irradiated light of the first wavelength is almost absorbed near the surface of the mixture film, and the photosensitive blepolymer is polymerized and cured.
- the formation of a resin film selectively on the surface of the mixture film can be further facilitated, and the light of the second wavelength is applied to the mixture film. Since it easily reaches the portion near the substrate, it is possible to easily form a support member between the resin film and the substrate.
- the invention of claim 46 is the method of manufacturing a liquid crystal display device of claim 20, wherein the resin film forming step comprises: The supporting member forming step is performed by exposing the mixed film to light having the second wavelength under a reciprocity condition; and The resin film forming step is characterized in that the mixed film is exposed to light of the third wavelength under conditions of reciprocity failure.
- the resin film forming step is characterized in that the mixed film is exposed to light of the third wavelength under conditions of reciprocity failure.
- the invention according to claim 47 is the method for manufacturing a liquid crystal display device according to claim 20, wherein the light having the third wavelength has an absorbance of the photosensitive prepolymer as the third wavelength light. It is characterized in that light having a wavelength smaller than the light of the first wavelength and larger than the light of the second wavelength is used.
- the light of the first wavelength is hardly transmitted through the mixture film and is almost absorbed near the surface of the mixture film, so that the light having the first wavelength is selectively absorbed on the surface of the mixture film. It is easy to form a resin film on the substrate, and the light of the second wavelength easily reaches the portion near the substrate in the mixture film.
- the support member can be easily formed between the substrate and the substrate, and the light of the third wavelength relatively transmits through the resin film that has already been formed.
- the resin film in the mixture film is easily absorbed near the substrate side of the resin film, so that it is easy to form the inner resin film on the substrate side of the resin film. .
- the invention according to claim 48 or claim 49 is the method for manufacturing a liquid crystal display device according to claim 20, wherein the mixture film further comprises a photosensitive bleeding polymer.
- the light of the first wavelength is used as the light of the first wavelength and the length of the absorption region in the light absorption characteristics of the photosensitive prepolymer is increased.
- the above mixture film is exposed to light having a shorter wavelength than the wavelength at the wavelength side end under conditions of reciprocity failure, and as the light having the second wavelength, the polymerization initiator, Alternatively, the mixture film is exposed to light having a wavelength longer than the absorption peak wavelength in the light absorption characteristics of the sensitizer under reciprocity conditions, and the light of the third wavelength is exposed.
- the method is characterized in that the mixture film is exposed to light having a wavelength between the absorption peak wavelength and the condition of reciprocity failure, and more specifically, the photosensitive layer is exposed to light.
- the repolymer includes a polystyrene clear-rate-based substance
- the liquid crystal includes a trans-nematic liquid crystal
- the mixture film includes: In addition, it contains 2, 2-dimethoxine 1, 2-diphenylene 1-1-on As the light of the first wavelength, the wavelength is 25
- the light of the second wavelength has a wavelength of 36
- a characteristic feature is that ultraviolet light having a wavelength of 313 nm is used as the light of the third wavelength using ultraviolet light of 5 nm.
- the light of the first wavelength is hardly transmitted through the mixture film, and is almost absorbed near the surface of the mixture film.
- the photosensitive polymer can be easily deposited to selectively form a resin film on the surface of the mixture film, and the light of the second wavelength is applied to the mixture film.
- the support member can be easily and reliably formed between the resin film and the substrate under the conditions of reciprocity, because the support member reaches the portion near the substrate.
- the light of the third wavelength is relatively easily transmitted through the already formed resin film, and is absorbed near the substrate side of the resin film in the mixed film.
- the photosensitive polymer is deposited on the substrate side of the resin film under the condition of reciprocity failure. It is easy to form the inner resin film.
- the invention according to claim 50 is the method for manufacturing a liquid crystal display device according to claim 18, further comprising forming a counter electrode on a side of the resin film opposite to the liquid crystal layer. It is characterized by having a counter electrode forming process.
- the invention according to claim 51 is the method for manufacturing a liquid crystal display device according to claim 20, wherein the exposure by the light having the third wavelength in the inner surface side resin film forming step is: It is characterized in that it is performed via a polarizing plate.
- liquid crystal display device such as a lightweight twisted nematic mode.
- the invention according to claim 52 is the method for manufacturing a liquid crystal display device according to claim 50, wherein, in the counter electrode forming step, a transparent conductive film is formed on a side of the resin film opposite to the liquid crystal layer.
- the step of forming the counter electrode is performed, and further, before or after the counter electrode forming step, on the resin film or the counter electrode.
- the method is characterized by having a step of forming a color filter.
- a light-transmitting liquid crystal display device with a light-weight, color-displayable, nematic mode, and a home-port, pick-mode can be provided. It can be manufactured.
- the invention according to claim 53 is the method for manufacturing a liquid crystal display device according to claim 50, wherein, in the counter electrode forming step, a light reflection film is formed on a side of the resin film opposite to the liquid crystal layer. Accordingly, the step of forming the counter electrode is performed, and a color filter is formed on the resin film before the step of forming the counter electrode. It is characterized by having a process.
- a reflection-type liquid crystal display device having a light-weight, color-displayable ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ Can be manufactured.
- the invention according to claims 54 to 56 is the method for manufacturing a liquid crystal display device according to claims 18 to 20, further comprising a step of forming a common electrode on the substrate. It is characterized by having.
- the invention of claim 57 is the method for manufacturing a liquid crystal display device of claim 56, wherein the exposure by the light of the third wavelength in the inner surface side resin film forming step is polarized light. It is characterized in that it is performed through a board.
- the stability of the alignment state of the liquid crystal is improved because the resin film has an alignment function of giving a predetermined tilt angle to the liquid crystal molecules near the resin film.
- An invention according to claim 58 is the method for manufacturing a liquid crystal display device according to claim 54, further comprising a color filter for forming a color filter on the resin film. It is characterized by having a router forming process.
- An invention according to claim 59 is the method for manufacturing a liquid crystal display device according to claim 58, further comprising the step of forming the resin film before or after the step of forming the color filter.
- the method is characterized by having a step of forming a transparent electrode on the color filter or on the color filter.
- the display is light in weight and color display is possible, and even if the resin film is thin, the orientation of the liquid crystal molecules is not easily affected by static electricity, so that the orientation is stable. This makes it possible to manufacture a liquid crystal display device of an impedance switching type having excellent properties.
- the invention according to claim 60 is the method for manufacturing a liquid crystal display device according to claim 58.
- W is characterized in that the method further comprises a step of forming a conductive light reflecting film on the color filter.
- the invention according to claim 61 is a liquid crystal display device, wherein one of the image signal electrode and the scan electrode, and the substrate on which the alignment film is formed, and the photosensitive substrate are provided.
- the liquid crystal is sealed between one substrate and the resin film, and therefore, compared to a liquid crystal display device in which the liquid crystal is sealed between a pair of substrates.
- the weight can be easily reduced, and a simple matrix type liquid crystal display device suitable for application to a portable device can be obtained.
- the invention according to claim 62 is the liquid crystal display device according to claim 61, and further includes a color on the resin film side of the second electrode or on a side opposite to the resin film.
- the feature is that a filter is provided.
- the invention according to claim 63 is a liquid crystal device, comprising a substrate on which a directing film is formed, and a resin formed by polymerizing and curing a photosensitive blepolymer by exposure. It is characterized by having a film and a liquid crystal layer sealed between the substrate and the resin film.
- the invention according to claim 64 is the liquid crystal device according to claim 63, wherein a photosensitive polymer is polymerized between the substrate and the resin film by exposure.
- the present invention is characterized in that a support member formed by curing is provided.
- the invention according to claim 65 is the liquid crystal device according to claim 63, further comprising a transparent electrode formed on each of the substrate and the resin film. And is characterized.
- the invention according to claim 66 to claim 68 is the liquid crystal device according to claim 63 to claim 65, wherein the resin film has a photosensitive bleed polymer and a polarized light. It is characterized in that molecules are formed by polymerization and curing so that they have directionality by exposure.
- the resin film has an alignment function of giving a predetermined tilt angle to the liquid crystal molecules near the resin film, so that a stable alignment state of the liquid crystal can be easily obtained. And can be done.
- the invention of claim 69 is the liquid crystal device of claim 63, wherein the resin film contains an acrylic-based substance.
- the invention according to claim 70 or claim 71 is the liquid crystal device according to claim 63, wherein the liquid crystal layer is a nematic liquid crystal, more specifically, a transmissive liquid crystal. It is characterized by containing a nematic liquid crystal.
- the invention of claim 72 provides a substrate on which an alignment film is formed, a resin film formed by polymerizing and curing a photosensitive prepolymer by exposure, the substrate and the resin film, A method for manufacturing a liquid crystal device having a liquid crystal layer sealed between the photosensitive film and a photosensitive layer is provided on at least the substrate on which the orientation film is formed.
- a resin film forming step of forming a resin film on the surface of the mixture film by depositing the preprimer on the exposed surface side, polymerizing and curing the polymer, and forming a resin film on the surface of the mixture film. ing .
- the photosensitive prepolymer in the mixture film is deposited to form a resin film, and the liquid crystal layer is formed by the remaining liquid crystal.
- the liquid crystal layer can be formed without requiring a time-consuming liquid crystal injection step, which simplifies the manufacturing process and reduces the manufacturing cost. Since the liquid crystal is sealed between one substrate and the resin film, the liquid crystal device has the liquid crystal sealed between a pair of substrates. Compared with, the weight can be easily reduced.
- the invention according to claim 73 is a method for manufacturing a liquid crystal device according to claim 72, wherein the resin film forming step comprises a step of forming a predetermined amount of the photosensitive prepolymer in the mixture film. To form a resin film, and further, selectively exposing a predetermined region in the mixture film with light of a second wavelength to form a resin film.
- the support member can be formed by the photosensitive preprimer remaining in the mixture film, thereby simplifying the manufacturing process.
- R That is, it is easy to manufacture a liquid crystal device in which the distance between the substrate and the resin film, that is, the thickness of the liquid crystal layer is kept constant.
- An invention according to claim 74 is the method for manufacturing a liquid crystal device according to claim 73, wherein the supporting member forming step includes the step of forming a predetermined amount of photosensitive pres- sion remaining in the mixture film.
- a support member is formed by depositing the polymer, and the mixture film is further exposed to light of a third wavelength from the resin film side to form a support member.
- the inner photosensitive resin film is formed by depositing the remaining photosensitive preprimer therein and polymerizing and curing to form an inner resin film on the substrate side of the resin film. It is characterized by having a process.
- the photosensitive prepolymer remaining in the mixture film is deposited to form an inner resin film, and the liquid crystal layer is formed by the remaining liquid crystal. Since it is formed, the purity of the liquid crystal in the liquid crystal layer can be easily increased.
- the invention of claim 75 relates to the method of manufacturing a liquid crystal device of claim 72, wherein the photosensitive prepolymer contains an acrylate-based substance. It is a feature.
- a liquid crystal device excellent in transparency to light in an optical region can be manufactured, and the invention of claim 76 or claim 77 is a method of manufacturing the liquid crystal device of claim 72
- the above-mentioned liquid crystal is characterized by containing a nematic liquid crystal, more specifically, a trans-type nematic liquid crystal.
- the invention according to claim 78 to claim 86 is the method for manufacturing a liquid crystal device according to claims 72 to 74, wherein the mixture film further comprises a photosensitive preform.
- Polymerization initiators or sensitizers for example, benzylic substances, more specifically 2,2-dimethyx-1,2-di It is characterized in that it contains phenylene-1-one.
- the polymerization and curing of the photosensitive prepolymer can be carried out efficiently, so that the curing speed of the photosensitive prepolymer is increased, and Further, the manufacturing process can be further simplified.
- the invention according to claims 87 to 89 is the method for manufacturing a liquid crystal device according to claims 72 to 74, wherein the resin film forming step includes reciprocity failure of the mixture film.
- the method is characterized in that exposure is performed with light having the first wavelength under the above conditions.
- the light-sensitive prepolymer is easily polymerized and hardened near the surface of the mixed film that absorbs the most light, and the condition of reciprocity failure is reduced. This makes it easier to selectively form a resin film on the surface of the mixture film by precipitating the photosensitive polymer.
- the invention according to claims 90 to 95 is the method for manufacturing a liquid crystal device according to claims 72 to 74, wherein the light of the first wavelength is used as the light of the first wavelength.
- the light-sensitive bleed-polymer is made of a polyester clear using light having a wavelength in the absorption region in the light-absorbing characteristic of the polymer. It is characterized by containing a substance of the system and using far-ultraviolet light having a wavelength of 254 nm as the light of the first wavelength.
- the invention according to claim 96 or claim 97 is the method for manufacturing a liquid crystal device according to claim 73 or claim 74, wherein the resin film forming step includes reciprocating the mixed film. Exposure is performed by exposing to light of the first wavelength under the condition of failure of the law. It is characterized by being exposed to light.
- a photosensitive polymer is precipitated near the surface of the mixture film and polymerized and hardened. It is easy to selectively form a resin film on the surface of the body film, and when the second light is irradiated under reciprocity conditions, the substrate in the mixed film is formed.
- the photosensitive polymer can be polymerized and hardened to the vicinity, and the supporting member can be easily and reliably formed between the resin film and the substrate.
- the invention of claim 98 or claim 99 is a method of manufacturing the liquid crystal device of claim 73 or claim 74, wherein the light of the second wavelength is
- the light-sensitive prepolymer is characterized in that light having a lower absorbance than the light of the first wavelength is used.
- the irradiated light of the first wavelength is almost absorbed near the surface of the mixture film, and the photosensitive prepolymer is polymerized and cured.
- the formation of a resin film selectively on the surface of the mixed film can be further facilitated, and the light of the second wavelength can be applied to the mixed film. Since it is easy to reach the portion near the substrate, it is possible to easily form a support member between the resin film and the substrate.
- the invention according to claim 100 is the method for manufacturing a liquid crystal device according to claim 74, wherein the resin film forming step includes the step of forming the mixed film under the condition of reciprocity failure.
- the supporting member is formed by exposing the mixed film to light of the second wavelength under the condition of reciprocity. More preferably, the step of forming the inner-surface-side resin film is performed by exposing the mixture film to light of the third wavelength under conditions of reciprocity failure. ing .
- a photosensitive polymer is deposited near the surface of the mixture film. It is easy to form a resin film or an inner resin film selectively on the surface of the mixture film, and it is easy to form a resin film or a resin film on the inner surface under the condition of reciprocity.
- the photosensitive polymer is easily polymerized and hardened to a portion near the substrate in the mixture film, so that the resin film and the substrate can be reliably and efficiently maintained between the resin film and the substrate.
- the support member can be easily formed.
- the invention of claim 101 relates to a method of manufacturing the liquid crystal device of claim 74, wherein the light of the third wavelength has an absorbance of the photosensitive prepolymer as the light of the third wavelength. It is characterized in that light having a wavelength smaller than the light of the first wavelength and larger than the light of the second wavelength is used.
- the light of the first wavelength is hardly transmitted through the mixture film and is almost absorbed near the surface of the mixture film, so that it is selectively applied to the surface of the mixture film. It is easy to form a resin film on the substrate, and the light of the second wavelength easily reaches the portion near the substrate in the mixture film.
- the supporting member can be easily formed between the substrate and the substrate, and the light of the third wavelength relatively penetrates the already formed resin film.
- the resin film in the mixture film is easily absorbed near the substrate side of the resin film, so that it is easy to form the inner resin film on the substrate side of the resin film. .
- the invention of claim 102 or 103 is the liquid crystal device of claim 74.
- the mixed film further contains a polymerization initiator for a photosensitive blepolymer or a photosensitive agent
- the first mixed film further comprises: As the light having the wavelength, light having a shorter wavelength than the wavelength at the end of the absorption region in the light absorption characteristics of the light-sensitive prepolymer is used.
- the mixed film is subjected to reciprocity failure. After exposure, light having a wavelength longer than the absorption peak wavelength in the light absorption characteristics of the polymerization initiator or sensitizer is used as the light of the second wavelength, and the reciprocity law is used.
- the mixture film is exposed under the conditions described above, and the light of the third wavelength is converted into the light of the absorption region end in the light absorption characteristic of the photosensitive prepolymer, the polymerization initiator, and the like. Or light with a wavelength between the absorption peak wavelength in the light-absorbing properties of the sensitizer.
- the method is characterized in that the mixture film is exposed to light under conditions of reciprocity failure, and more specifically, the photosensitive prepolymer is a polystyrene film.
- the liquid crystal includes a tallylate-based substance, the liquid crystal includes a trans-nematic liquid crystal, and the mixture film further includes a 2,2-dimethyxene 1 , 2 — diphenylene 1-1-on, and the light of the first wavelength is far ultraviolet light having a wavelength of 254 nm.
- Ultraviolet light having a wavelength of 365 nm is used as the light having a wavelength of 36.5 nm
- ultraviolet light having a wavelength of 313 nm is used as the light having the third wavelength. ing .
- the light of the first wavelength is hardly transmitted through the mixture film, and is absorbed almost in the vicinity of the surface of the mixture film.
- a support member between the resin film and the substrate under the conditions of reciprocity because the support member reaches the portion near the substrate.
- the light of the third wavelength is relatively easily transmitted through the already formed resin film, and is located near the substrate side of the resin film in the mixture film. Because it is easily absorbed, the photosensitive polymer can be deposited under the conditions of reciprocity failure to easily form the inner resin film on the substrate side of the resin film. I can't.
- the invention according to claim 104 is the method for manufacturing a liquid crystal device according to claim 74, wherein the exposure with the light having the third wavelength in the inner-surface-side resin film forming step is performed. It is characterized in that it is performed via a polarizing plate.
- the inner resin film has an alignment function of giving a predetermined tilt angle to liquid crystal molecules near the resin film, a stable alignment state of the liquid crystal can be easily achieved. Can be obtained at any time.
- the invention according to claim 105 is a resin-liquid crystal forming body, and includes a first resin film, a second resin film facing the first resin film, and a first and second resin film. A liquid crystal layer sealed between resin films, and a liquid crystal layer are integrally formed.
- the first resin film, the liquid crystal layer, and the second resin film are formed integrally, the first resin film, the liquid crystal layer, and the second resin film are continuously formed.
- the structure is so close to the surface that no foreign matter such as dust is interposed between the constituent members.
- the space inside the resin-liquid crystal forming body is made useless, and it is possible to form the resin and the liquid crystal forming body as thin as possible to a thickness as close as possible. It can be lightweight and thin.
- the resin / liquid crystal forming body having the above structure can be used in a wide range of applications.
- a dimming window or a shading shield that does not require a curtain or a blind. It can be used as a material for evenings.
- the resin / liquid crystal forming member according to the above configuration is applied to a transparent glass window in which a transparent electrode is formed in advance, and an electric field is applied to the liquid crystal layer via the electrode.
- a dimming window in which the light transmittance of the resin-liquid crystal forming body can be controlled. And can be done.
- the invention according to claim 106 is the resin-liquid crystal forming body according to claim 105, wherein at least one of the first resin film and the second resin film is a liquid crystal molecule. Has a liquid crystal orientation that can orient the crystal in a predetermined direction.
- the liquid crystal molecules in the liquid crystal layer are oriented in a predetermined direction when no voltage is applied. Therefore, it becomes easy to control the orientation of the liquid crystal molecules in the liquid crystal layer by applying an electric field or the like.
- An invention according to claim 107 or 108 is the resin / liquid crystal forming body according to claim 105 or 106, wherein the first resin film and the second resin film are the same.
- the resin film is formed of a resin having the same composition in which a photosensitive prepolymer is polymerized and cured by exposure.
- the first resin film and the second resin film are both formed of a cured polymer of a photosensitive prepolymer, but are formed of the same raw material.
- the first resin film and the second resin film are both formed of a cured polymer of a photosensitive prepolymer, but are formed of the same raw material.
- the invention of claim 109 or 110 is the resin or liquid crystal forming body according to claim 107 or 108, wherein the resin and liquid crystal forming body is further provided.
- a supporting member formed integrally with the first and second resin films, wherein a distance between the first resin film and the second resin film is more uniformly supported by the supporting member; It is.
- the support member supports between the first resin film and the second resin film, but the support member is formed integrally with the first and second resin films. Since it is a material, the distance between the two resin films is reliably and stably maintained.
- the support member is integrated with the first and second resin films, and functions to further strengthen the structure of the resin-liquid crystal forming body.
- the first and second resin films and the support member are formed integrally and do not have a joint. It is possible to make the layer as thin as possible so that the thickness of the layer is close to the limit, and a one-layer lightweight, compact and robust resin / liquid crystal forming body is realized. By applying this resin / liquid crystal forming body to a liquid crystal display device, it is possible to provide a liquid crystal display device which has excellent display stability, is lighter, and is more lightweight. It will be possible.
- the invention according to claim 11 is the resin according to claim 105, wherein the resin constituting the first and second resin films is a polyester. It is a lure-relate resin.
- the invention according to claim 112 or 113 is the resin-liquid crystal forming body according to claim 105, wherein the liquid crystal layer is a nematic liquid crystal. More specifically, it includes trans-nematic liquid crystals.
- the nematic liquid crystal more specifically, the transnematic liquid crystal is easily available, an inexpensive resin 'liquid crystal forming body can be obtained. It can be easily obtained.
- This is a manufacturing method for integrally forming a resin / liquid crystal forming body having a liquid crystal composition containing a photosensitive prepolymer and a liquid crystal on the surface of a light transmissive substrate.
- the photosensitive prepolymer remaining in the mixture film is polymerized and cured by exposure to light through the substrate from the back side of the substrate to face the first resin film on the substrate side.
- the photosensitive blepolymer in the mixture film is polymerized and cured to form the first and second resin films, and the remaining liquid crystal is used to form the first and second resin films. Since the liquid crystal layer is thus formed, the liquid crystal layer can be formed without the need for a time-consuming liquid crystal injection step, and the manufacturing process can be simplified. And the cost of manufacturing can be reduced. Furthermore, since a liquid crystal injection step is not required, a liquid crystal layer can be surely formed in a short time even with a large-area resin / liquid crystal forming body.
- the first resin film, the liquid crystal layer, and the second resin film are integrally formed, the first resin film, the liquid crystal layer, the second resin film, Has a continuous and close structure, and no foreign matter such as dust is present between the components.
- the space inside the resin-liquid crystal forming body is not wasted, and therefore, it is possible to form the resin and the liquid crystal as thin as possible to a state close to the limit. It is possible to reduce the weight and thickness of the formed body.
- the invention according to claim 115 wherein the first resin film, a second resin film facing the first resin film, and a liquid crystal sealed between the first and second resin films.
- This is a manufacturing method for integrally forming a resin / liquid crystal forming body having a layer and a light-transmitting substrate, comprising a photosensitive prepolymer and a liquid crystal on the surface of a light-transmitting substrate. Apply the liquid crystal prepolymer mixture and apply it on the substrate surface. Forming a mixture film, and exposing the surface of the mixture film to light having a first wavelength that does not substantially pass through the mixture film, thereby forming a photosensitive layer near the surface of the mixture film.
- a third wavelength light is exposed to the mixture film through the resin film, and the mixture film is exposed to light of the third wavelength.
- the remaining photosensitive prepolymer was polymerized and cured to form a first resin film integrated with the protective resin film on the inner side of the protective resin film, and the phases were separated.
- the photosensitive prepolymer in the mixture film is polymerized and cured to form the first and second resin films, and the remaining liquid crystal is formed. Since the liquid crystal layer is formed in this way, the liquid crystal layer can be formed without requiring a long liquid crystal injection step, which simplifies the manufacturing process. In addition, the manufacturing cost can be reduced.
- a protective resin film can be formed on the surface of the mixture film, and the mixture film can be protected by the protective resin film and the substrate.
- the convex and concave portions are formed on the surface of the mixture film due to the contact with the surface of the mixture film, and the surface of the mixture film does not undulate.
- a photomask or a polarizing plate can be superposed on the surface of the protective resin film and exposed.
- This is a manufacturing method for integrally forming a resin and a liquid crystal forming body having the following. At least a photosensitive prepolymer is provided on the surface of a light-transmitting substrate. A step of applying a liquid crystal pre-polymer mixture containing a liquid crystal and forming a mixture film composed of the above-mentioned liquid mixture on the substrate surface, and substantially not transmitting the mixture film.
- a light of the first wavelength is exposed on the surface of the mixture film, and the liquid crystal present near the surface of the mixture film is pushed toward the substrate, and the photosensitive preform near the surface of the mixture film is pressed.
- the film is exposed to light of a third wavelength, and the photosensitive prepolymer remaining in the mixture film is polymerized and cured to integrate the protective resin film inside the first protective resin film. While forming the first resin film, the phase-separated liquid crystal is combined with the first resin film. Forming a first resin film between the second resin film and the second resin film;
- the photosensitive prepolymer in the mixture film is polymerized and cured to form the first and second resin films, and the remaining liquid crystal is used to form the first and second resin films. Since the liquid crystal layer is thus formed, the liquid crystal layer can be formed without the need for a time-consuming liquid crystal injection step, and the manufacturing process can be simplified. And the cost of manufacturing can be reduced. Also, the light sensitivity in the mixture film
- the supporting member can be formed by the bleed polymer, and the manufacturing process can be simplified.
- the support member is formed integrally with the first and second resin films, the space between the two resin films can be reliably and stably maintained. In addition, it acts to further strengthen the structure of the resin / liquid crystal forming body. Therefore, according to the above configuration, a lighter, more compact and more robust resin / liquid crystal forming body can be realized.
- the surface of the mixture film is protected by the protective resin film, so that the mask is directly masked on the protective resin film.
- a polarizer can be overlaid for exposure.
- the liquid crystal molecules have a liquid crystal orientation that enables the liquid crystal molecules to be oriented in a predetermined direction. Therefore, it is not necessary to perform a rubbing process, and the manufacturing process can be simplified.
- An invention according to claim 11 is a method for producing a liquid crystal forming body according to claim 11, wherein the photosensitive prepolymer is used as the light having the first wavelength.
- the photosensitive prepolymer is used as the light having the first wavelength.
- the absorbance with respect to the photosensitive preprimer described above is defined as the first light. It uses light of a smaller wavelength than light of the wavelength.
- the light of the first wavelength is hardly transmitted through the mixture film and is substantially absorbed near the surface of the mixture film, so that the protective resin film is formed on the surface of the mixture film. Can be easily formed.
- the light of the third wavelength is relatively easy to pass through the already formed protective resin film or light-transmitting substrate, while the inside of the protective resin film in the mixture film.
- the first resin film is formed inside the protective resin film because it is easily absorbed in the vicinity and near the substrate. This can be easily performed, and the second resin film can be easily formed on the substrate side of the mixture film.
- the invention of claim 118 is the method for producing a resin-liquid crystal forming body according to claim 117, wherein the exposure of the light having the first and third wavelengths is performed by reciprocity failure. Perform under the following conditions.
- the photosensitive prepolymer when the light of the first wavelength is irradiated under the condition of reciprocity failure, the photosensitive prepolymer is easily polymerized and hardened near the surface of the mixture film, and the mixture is hardened. It is possible to easily form a protective resin film selectively on the surface of the film.
- the photosensitive prepolymer when the third light is irradiated under the condition of reciprocity failure, the photosensitive prepolymer is easily polymerized and hardened near the inside of the protective resin film, and the photosensitive prepolymer is hardened on the inside of the protective resin film.
- the first resin film can be formed, and the light-sensitive prepolymer is polymerized and cured near the substrate side of the mixture film, so that the second resin film can be easily formed. Wear .
- the invention according to claim 119 is the method for producing a resin 'liquid crystal forming body according to claim 118, wherein the photosensitive prepolymer is a polyester polymer.
- the light having the above-mentioned first wavelength, which contains a compound of the relay system, is far ultraviolet light having a wavelength of 254 nm.
- the invention according to claim 120 is the resin according to claim 116, which is a method for producing a liquid crystal forming body, wherein the photosensitive prepolymer is used as the light having the first wavelength.
- the light of the wavelength within the absorption region in the light absorption characteristics of the above is used, and the light of the above-mentioned photosensitive prepolymer is increased as the light of the second wavelength.
- the light having a wavelength smaller than the light having the first wavelength is used, and the light having the third wavelength has the absorbance smaller than that of the light having the first wavelength, and Light of a wavelength larger than that of the second wavelength is used.
- the light of the first wavelength is not easily transmitted through the mixture film, and is substantially absorbed near the surface of the mixture film, so that the light of the first wavelength is selectively absorbed on the surface of the mixture film.
- the protective resin film can be easily formed, and the light of the second wavelength easily reaches the portion near the substrate in the mixture film, the first light is used.
- the supporting member can be easily formed between the second resin film and the second resin film, and the light of the third wavelength can be easily applied to the already formed protective resin film or the second resin film. While it is relatively easy to transmit through a light-transmitting substrate, it is easily absorbed inside the protective resin film or near the substrate side in the mixed film.
- the first resin film can be easily formed, and the second resin film is provided on the substrate side of the mixture film. That Ki out and this easily formed.
- the invention of claim 122 is the method for producing a resin / liquid crystal forming body according to claim 120, wherein the liquid crystal prepolymer mixture is further provided with a polymerization initiator. Or a sensitizer, and as the light of the first wavelength in the protective resin film forming step, the light absorption characteristic of the photosensitive prepolymer is used. Exposure to the mixture film is carried out under the condition of reciprocity failure using light having a wavelength in the absorption region, and light of the second wavelength is used as the light of the above-mentioned polymerization initiator or sensitizer.
- the first resin film forming step and the above-described steps are performed.
- the photosensitive preform is used as the light of the third wavelength in the second resin film forming step.
- exposure of the mixture film is performed under conditions of reciprocity failure. Accordingly, the light of the first wavelength is hardly transmitted through the mixture film, and is substantially absorbed near the surface of the mixture film, and thus is exposed to light under the condition of reciprocity failure.
- the invention of claim 1 2 2 or 1 2 3 is a method for producing a resin / liquid crystal forming body according to claim 1 15, wherein the liquid crystal is a nematic material.
- Tuck LCDs more specifically, trans-nematic liquid crystals are used.
- the photosensitive prepolymer and the liquid crystal are easily phase-separated by the exposure of the mixture film, so that the photosensitive prepolymer is easily polymerized and cured.
- a first resin film, a second resin film, and the like can be formed.
- the invention of Claims 124 and 125 is the method for producing a resin / liquid crystal forming body according to Claim 122, and the invention relates to the photopolymerization initiator or the photopolymerization initiator.
- a sensitizer a benzoyl compound, more specifically, 2,2-dimethoxy-1,2, -diphenylbenzene, is used. .
- the invention of claim 12 26 is the method of manufacturing a resin according to claim 12, wherein the photosensitive prepolymer is a polyester.
- the liquid crystal includes a crys- tal-type substance, the liquid crystal includes a trans-nematic liquid crystal, and the mixed film further includes a 2,2-dimethyxene. 1, 2-diphenyl benzene containing 1 _ 1, and, as the light of the first wavelength, far-ultraviolet light of a wavelength of 254 nm is used.
- Ultraviolet light having a wavelength of 365 nm is used as the light having the wavelength
- ultraviolet light having a wavelength of 31 nm is used as the light having the third wavelength.
- the invention according to claim 127 is a photosensitivity formed on a surface of a substrate having at least a pixel electrode and a switching element connected to the pixel electrode.
- a substrate-side resin film made of a cured polymer of a prepolymer, and an opposite resin made of a polymerized cured material of a photosensitive prepolymer disposed opposite to the resin film on the substrate. Sealing between the film and the substrate-side resin film and the opposing resin film.
- a liquid crystal display device having a liquid crystal layer stopped, wherein the substrate-side resin film, the liquid crystal layer, and the opposing resin film are integrally formed. It is characterized by
- the liquid crystal layer is sealed between the substrate-side resin film formed on one substrate and the opposite resin film, the distance between the pair of substrates is reduced. In comparison with a liquid crystal display device in which a liquid crystal layer is sealed, the weight can be reduced. Further, since the substrate-side resin film, the liquid crystal layer, and the opposing resin film are integrally formed, the substrate-side resin film, the liquid crystal layer, and the opposing resin film are continuously and closely in contact with each other. With this structure, there is no foreign matter such as dust between the components. In addition, the space between the substrate-side resin film and the liquid crystal layer, and the space between the liquid crystal layer and the opposing resin film are not wasted, and the thickness is reduced to an extremely small value. It can be formed to be thin, and a lightweight and thin liquid crystal display device can be obtained.
- the invention according to claim 128 is the liquid crystal display device according to claim 127, wherein both the resin films are formed integrally between the substrate-side resin film and the counter resin film. It is characterized in that a support member is arranged.
- the support member supports between the substrate-side resin film and the opposing resin film, but this support member is formed integrally with the substrate-side resin film and the opposing resin film. Since it is a material, the space between the two resin films is reliably and stably maintained.
- the support member is integrated with the substrate-side resin film and the opposing resin film, and serves to further strengthen the structure of the liquid crystal display device.
- the support member, the substrate-side resin film, and the opposing resin film are physically formed and have no joint, for example, It is possible to make the crystal layer as thin as possible while keeping the thickness of the crystal layer as close to the limit as possible, realizing a liquid crystal display device that is more lightweight, compact and has excellent display stability. .
- the invention according to claim 122 or 130 is the liquid crystal display device according to claim 127 or 128, wherein the resin film on the substrate side and the counter resin film are provided. It is characterized by the fact that it contains polyester clear compounds.
- the above-mentioned polyester acrylate resin is excellent in transparency, it is excellent in transparency to light in the visible light range and is bright. Thus, it is possible to obtain a liquid crystal display device capable of performing a high-speed display.
- An invention according to claim 13 1 or 13 2 is the liquid crystal display device according to claim 127, wherein the liquid crystal layer is a nematic liquid crystal, and more specifically. Is characterized by including a trans-nematic liquid crystal.
- the nematic liquid crystal described above more specifically, a trans-nematic liquid crystal is easily available, so that it is inexpensive and has only an operation.
- a stable liquid crystal display device can be easily obtained.
- the invention of claim 13 or 13 is the liquid crystal display device according to claim 12 or claim 13, wherein the liquid crystal display device and the substrate are provided. At least one side of the side resin film is formed by polymerizing and curing the photosensitive blepolymer so that the molecules are directional by exposure to polarized light. In addition, a counter electrode is formed on the opposite resin film on a side opposite to the liquid crystal layer.
- the liquid crystal molecules in the liquid crystal layer are oriented in a predetermined direction when no voltage is applied. Therefore, it is easy to control the orientation of liquid crystal molecules in the liquid crystal layer by applying an electric field, etc., and it is possible to use a light-weight / thin-type thin-film nematic mode or the like. It is possible to obtain a liquid crystal display device in a homeotropic mode.
- the invention according to claim 135 is the liquid crystal surface device according to claim 133.
- a color filter is provided on the opposite resin film on the side opposite to the liquid crystal layer.
- the invention according to claim 13 is the liquid crystal display device according to claim 13, wherein the counter electrode is formed of a transparent conductive film, and the counter electrode is formed of a transparent conductive film.
- the color filter is provided between the opposite resin film and the color filter, or on the opposite side of the color filter from the opposite resin film. ing .
- a light-weight, thin, color-displayable, low-profile, nematic mode is a transmissive liquid crystal display with a home-opening mode. You can get the equipment.
- the invention according to claim 1337 is the liquid crystal display device according to claim 135, wherein the counter electrode is formed of a material that reflects light, and the color electrode is formed of a material that reflects light.
- One filer is characterized in that it is provided between the counter resin film and the counter electrode.
- the light-weight, thin, and color-recognizable double-sided nematic mode is a reflective liquid crystal display with a home-port-pickup mode.
- the display device can be obtained.
- the invention according to claim 1338 or 1339 is the liquid crystal display device according to claim 127 or 128, wherein the substrate is further provided with a common electrode (counter electrode). (Electrode) is formed.
- the invention of claim 140 or 141 is the subject of claim 1338 or 1339
- at least one of the opposite resin film and the substrate-side resin film has a photosensitive prepolymer which is adapted to be exposed to polarized light. It is characterized in that the molecules are formed by polymerization and curing so that the molecules have directionality.
- the liquid crystal molecules in the liquid crystal layer are oriented in a predetermined direction when no voltage is applied. Therefore, it is easy to control the orientation of the liquid crystal molecules in the liquid crystal layer by applying an electric field or the like, and the light-weight, thin, and excellent display characteristics of the display device can be obtained.
- a tuning type liquid crystal display device can be obtained.
- the invention according to claim 14 is the liquid crystal display device according to claim 13, wherein a color filter is provided on a side of the opposite resin film opposite to the liquid crystal layer. It is characterized by that.
- the invention according to claim 144 is the liquid crystal display device according to claim 142, wherein the liquid crystal display device is provided between the opposite resin film and the color filter or the force graph.
- An electrode formed of a transparent conductive film is provided on the side opposite to the opposite resin film of the filter.
- the display is light and thin and a color display is possible, and even if the opposite resin film is thin, the alignment of liquid crystal molecules is not easily affected by static electricity.
- An stable switching type liquid crystal display device with excellent stability can be obtained.
- the invention according to claim 144 is the liquid crystal display device according to claim 142, wherein a material that reflects light is provided on the opposite side of the color filter from the opposite resin film. It is characterized in that the electrodes formed from these are provided. This makes it possible to obtain a reflection-type liquid crystal display device of an in-line switching type that is lightweight and thin and capable of displaying a single color.
- the invention of claim 144 is directed to a light-sensitive plate formed on a surface of a light-transmitting substrate having a pixel electrode and a switching element connected to the pixel electrode.
- a substrate-side resin film made of a polymerized and cured product of a polymer; and an opposing resin film made of a polymerized and cured photosensitive prepolymer disposed opposite to the substrate-side resin film.
- the photosensitive blepolymer remaining in the mixture film is polymerized and cured to form the substrate side.
- Forming a substrate-side resin film opposite to the counter-resin film, and disposing the separated liquid crystal between the counter-resin film and the substrate-side resin film is characterized by having a process and a process.
- the photosensitive prepolymer in the mixture film is polymerized and cured to form the facing resin film and the resin film on the substrate side, and the remaining liquid crystal is cured. Since the liquid crystal layer is thus formed, the liquid crystal layer can be formed without the need for a long liquid crystal injection step, which simplifies the manufacturing process. In addition, the manufacturing cost can be reduced. In addition, since the liquid crystal layer is sealed between the substrate-side resin film and the opposite resin film formed on one substrate, the liquid crystal layer is sealed between the pair of substrates. The weight can be reduced as compared with the stopped liquid crystal display device.
- the substrate-side resin film, the liquid crystal layer, and the opposing resin film are formed integrally, the substrate-side resin film, the liquid crystal layer, and the opposing resin film are continuously and closely contacted. Due to the structure, there is no foreign matter such as dust between the components. Further, the space between the substrate-side resin film and the liquid crystal layer, and the space between the liquid crystal layer and the opposite resin film are not wasted, and the thickness is reduced to a state in which the thickness is extremely small.
- the liquid crystal display device can be formed, and a light-weight and thin liquid crystal display device can be obtained.
- the invention of claim 144 is a light-sensitive plate formed on a surface of a light-transmitting substrate having a pixel electrode and a switching element connected to the pixel electrode.
- a substrate-side resin film made of a polymerized and cured polymer; and an opposing resin film made of a polymerized and cured photosensitive prepolymer disposed opposite to the substrate-side resin film.
- the method for manufacturing a liquid crystal display device comprises the steps of: A step of forming the above-mentioned pixel electrode and the above-mentioned switching element on a substrate; and a step of forming the above-mentioned pixel electrode and a switching element connected to the pixel electrode.
- a liquid crystal pre-polymer including a photosensitive pre-polymer and a liquid crystal is provided on the surface of the substrate.
- the liquid crystal in the portion is pushed to the substrate side to be mixed.
- the existing photosensitive prepolymer is selectively polymerized and cured to form a substrate-side resin film on the substrate surface side, and at the same time, the liquid crystal in the portion is pushed to the protective resin film side.
- a substrate-side resin film forming step and exposing the mixture film to light of a third wavelength from the protective resin film side via the protective resin film, thereby forming a photosensitive bleeding layer remaining in the mixture film.
- the rimer is polymerized and cured to form a first resin film integrated with the protective resin film inside the protective resin film, and the opposing resin film is formed by the protective resin film and the first resin film. And forming a first resin film forming step of disposing the phase separated liquid crystal between the first resin film and the substrate-side resin film. Yes.
- the photosensitive prepolymer in the mixture film is polymerized and cured to form the facing resin film and the resin film on the substrate side, and the remaining liquid crystal is formed.
- the liquid crystal layer is formed, so that the liquid crystal layer can be formed without requiring a long liquid crystal injection step, which simplifies the manufacturing process. And the cost of manufacturing can be reduced.
- a protective resin film can be formed on the surface of the mixture film, and the mixture film can be protected by the protective resin film and the substrate. Therefore, during the manufacturing process, the convex and concave portions are formed on the surface of the mixture film due to the contact with the surface of the mixture film, and the surface of the mixture film does not undulate. 147.
- the pixel electrode contact good beauty above
- a substrate-side resin film forming step of pressing liquid crystal present on the surface layer to the protective resin film side, and a polarizing plate is overlaid on the protective resin film, and the polarizing plate and the protective resin film are stacked.
- the photosensitive prepolymer in the mixture film is polymerized and cured to form a facing resin film and a resin film on the substrate side, and the remaining liquid crystal is cured.
- the liquid crystal layer is formed, so that the liquid crystal layer can be formed without requiring a time-consuming liquid crystal injection step, and the manufacturing process can be simplified. It is possible to reduce production costs and manufacturing costs.
- the support member can be formed by the photosensitive prepolymer in the mixture film, and the manufacturing process can be simplified. Further, the support member is formed integrally with the opposing resin film (the protective resin film and the first resin film) and the substrate-side resin film (the second resin film). As a result, the distance between the two resin films is reliably and stably maintained, and the structure of the liquid crystal display device is further strengthened. Therefore, according to the above configuration, a lighter, more compact and more robust liquid crystal display device is realized.
- the surface of the mixture film is protected by the protective resin film, and therefore, the mask is directly masked on the protective resin film. And a polarizer can be superposed for exposure.
- the third wavelength light is exposed through a polarizing plate, whereby the first and the substrate-side resin film are formed.
- the invention according to claim 148 is the liquid crystal display device according to claim 146, wherein the light of the first wavelength is a light-absorbing characteristic of the photosensitive prepolymer. Using light having a wavelength within the absorption region, the light having the third wavelength has a smaller absorbance with respect to the photosensitive prepolymer than the light having the first wavelength. Use light of a different wavelength.
- the light of the first wavelength is not easily transmitted through the mixture film and is substantially absorbed near the surface of the mixture film, so that the protective resin film is formed on the surface of the mixture film. Can be easily formed.
- the light of the third wavelength is relatively easy to pass through the already formed protective resin film or light transmitting substrate.
- the first resin film may be formed inside the protective resin film because it is easily absorbed near the inside of the protective resin film and near the substrate in the mixture film. This facilitates the formation of the resin film on the substrate side on the substrate side of the mixture film.
- the invention according to claim 149 is the liquid crystal display device according to claim 148, wherein the exposure of the light of the first and third wavelengths is performed under conditions of reciprocity failure. Go.
- the photosensitive prepolymer when the light of the first wavelength is irradiated under the condition of reciprocity failure, the photosensitive prepolymer is easily polymerized and hardened near the surface of the mixture film, and the mixture is hardened. It is easy to selectively form a protective resin film on the surface of the film (in addition, when the third light is irradiated under the condition of reciprocity failure, the vicinity of the inner side of the protective resin film is reduced).
- the photosensitive prepolymer is easily polymerized and cured, so that the first resin film can be formed inside the protective resin film, and the photosensitive prepolymer can be formed near the substrate side of the mixture film.
- the polymer is cured by polymerization, and the substrate-side resin film can be easily formed.
- An invention according to claim 150 is the method for manufacturing a liquid crystal display device according to claim 14, wherein the photosensitive prepolymer is a polysterelite relay.
- the light of the first wavelength is far-ultraviolet light having a wavelength of 254 nm.
- the irradiated light can be substantially absorbed near the surface of the mixture film, and the photosensitive blepolymer can be polymerized and cured. It is easier to selectively form a protective resin film on the surface of the mixture film, and it is also easier to control the thickness of the protective resin film with high precision. Can be used.
- the invention of claim 151 is the method of manufacturing a liquid crystal display device according to claim 1447, wherein the light of the first wavelength is used as the light of the photosensitive prepolymer.
- the light having the wavelength within the absorption region in the light absorption characteristics of the marker is used, and as the light of the second wavelength, the absorbance with respect to the photosensitive prepolymer is the light of the first wavelength.
- the light having a wavelength smaller than that of the first wavelength is used.
- the absorbance is smaller than that of the light of the first wavelength and the light of the second wavelength is used. It uses light of a wavelength greater than that of light.
- the light of the first wavelength is not easily transmitted through the mixture film and is substantially absorbed near the surface of the mixture film, so that the light of the first wavelength is selectively applied to the surface of the mixture film.
- the protective resin film can be easily formed, and the light of the second wavelength easily reaches the portion near the substrate in the mixture film.
- the support member can be easily formed reliably between the film and the substrate-side resin film, and the light of the third wavelength can be easily applied to the already formed protective resin film or light-transmitting film.
- the first resin film is relatively easy to permeate through the substrate, but is easily absorbed in the mixed resin film inside the protective resin film or near the substrate side. It is possible to easily form a resin film on the substrate side of the mixed film. It can be formed in
- the invention of claim 15 is the method for producing a liquid crystal display device according to claim 15, wherein the mixed liquid of the liquid crystal prepolymer is further provided with a polymerization initiator. Or a sensitizer, and as the light of the first wavelength in the step of forming the protective resin film, absorbs light in the light absorption characteristics of the photosensitive prepolymer. Exposure to the mixture film is performed under conditions of reciprocity failure using light of a wavelength in the region, and the light of the second initiator is used as the light of the second wavelength.
- the light of the first wavelength is hardly transmitted through the mixture film and is substantially absorbed near the surface of the mixture film. It is easy to form a protective resin film selectively on the surface of the mixture film by polymerizing and curing the polymer, and light of the second wavelength is easily applied to the mixture film.
- the support member is formed between the first resin film and the substrate-side resin film reliably and efficiently in accordance with the conditions of reciprocity, so that the support member reaches the portion near the substrate.
- the third wavelength light can be easily transmitted through the already formed protective resin film or light-transmitting substrate while the third wavelength light can be easily transmitted through the mixed film. If it is absorbed inside the protective resin film or near the substrate, reciprocity failure conditions may occur. As a result, the photosensitive polymer is polymerized and hardened, so that the first resin film can be easily formed inside the protective resin film, and the substrate film side of the mixture film can be easily formed. Thus, the substrate-side resin film can be easily formed.
- the invention according to claim 1553 or 1554 is a method for manufacturing a liquid crystal display device according to claim 14, wherein the liquid crystal is a nematic liquid crystal. Specifically, it is characterized by including a trans-nematic liquid crystal.
- the photosensitive prepolymer and the liquid crystal easily undergo phase separation by exposure of the mixture film, and the photosensitive prepolymer is easily polymerized and cured.
- the photosensitive prepolymer is easily polymerized and cured.
- the invention according to claim 1555 or 1556 is the method for producing a liquid crystal display device according to claim 15, wherein the photopolymerization initiator or the photosensitive agent is used.
- benzoyl compounds more specifically, 2,2-dimethoxy-1,2, diphenylethane-11-one It is characterized by:
- the polymerization and curing of the photosensitive prepolymer can be carried out efficiently, so that the curing speed of the photosensitive prepolymer is increased and the curing speed is further increased.
- the manufacturing process can be simplified.
- the invention according to claim 157 is the method for manufacturing a liquid crystal display device according to claim 152, wherein the photosensitive prepolymer is a polystyrene acrylate.
- the liquid crystal comprises a liquid crystalline material, wherein the liquid crystal comprises a trans-nematic liquid crystal, and the mixed film further comprises a 2,2—dimethoxine 1,2—
- the light of the first wavelength is used as the light of the first wavelength
- far ultraviolet light of a wavelength of 254 nm is used as the light of the first wavelength.
- ultraviolet light having a wavelength of 365 nm is used
- ultraviolet light having a wavelength of 31 nm is used as the light having the third wavelength.
- the light of the first wavelength is hardly transmitted through the mixture film, and is substantially absorbed near the surface of the mixture film, and is exposed to light under reciprocity failure conditions. It is easy to selectively form a protective resin film on the surface of the mixture film by polymerizing and curing the hydrophilic polymer, and light of the second wavelength is applied to the mixture film.
- the support member is formed between the first resin film and the substrate-side resin film reliably and efficiently under the conditions of reciprocity so that the support member reaches the portion near the substrate.
- the third wavelength light is relatively easy to pass through the already formed protective resin film or light-transmitting substrate, while the mixed film is easily absorbed.
- the protective resin film and near the substrate side It is possible to easily form the first resin film inside the protective resin film by polymerizing and curing the photosensitive polymer, and the substrate is provided on the substrate side of the mixture film. Easy formation of side resin film You can do it.
- the invention of claim 158 is the method of manufacturing a liquid crystal display device of claim 145, further comprising forming a counter electrode on the opposite side of the counter resin film from the liquid crystal layer. It is characterized by having a counter electrode forming step.
- An invention according to claim 159 is the method for manufacturing a liquid crystal display device according to claim 158, wherein the step of forming the counter electrode includes forming a transparent conductive film on a side of the counter resin film opposite to the liquid crystal layer.
- the step of forming the opposite electrode is performed, and further, before or after the step of forming the opposite electrode, on the opposite resin film. Is characterized by having a step of forming a color filter on the counter electrode.
- transmissive liquid crystal displays such as light-weight, thin-type, liquid-crystal displays that can be displayed in a single color, and homeotropic modes are available.
- Equipment can be manufactured.
- the invention according to claim 160 is the method for manufacturing a liquid crystal display device according to claim 158, wherein the step of forming the counter electrode reflects light on a side of the counter resin film opposite to the liquid crystal layer.
- the step of forming the counter electrode is performed, and further, a color is formed on the counter resin film before the step of forming the counter electrode. It is characterized by having a process of forming a filter.
- reflective liquid crystal displays such as light-weight, thin-type, color-displayable liquid crystal displays, such as neat mode and home port mode Equipment can be manufactured.
- claims 16 1 to 16 3 are described in claims 14 5 to 14 7.
- the invention according to claims 164 to 1666 is the method for manufacturing a liquid crystal display device according to claims 161 to 1663, wherein the first resin film forming step and the substrate-side resin are performed.
- the exposure with light having the third wavelength is performed through a polarizing plate at least in at least one of the first resin film forming step and the substrate side resin film forming step. It is characterized by what is done.
- the liquid crystal molecules in the liquid crystal layer are oriented in a predetermined direction when no voltage is applied. Therefore, it is easy to control the orientation of the liquid crystal molecules in the liquid crystal layer by applying an electric field or the like, and the light-weight, thin, and excellent display characteristics are realized. It is possible to manufacture a tuning-type liquid crystal display device.
- the invention of claim 1667 is the method of manufacturing a liquid crystal display device of claim 161, further comprising forming a color filter on the opposite resin film. It is characterized by having a filter forming process.
- the invention according to claim 168 is a method for manufacturing a liquid crystal display device according to claim 167, and further includes, before or after the color filter forming step, the above-described facing liquid crystal display device.
- the method is characterized in that it has a step of forming a transparent electrode on a resin film or on the above-mentioned color filter.
- the display is light and thin and color display is possible, and the alignment of liquid crystal molecules is not easily affected by static electricity even if the opposite resin film is thin.
- LCD switching type LCD with excellent alignment stability Equipment can be manufactured.
- the invention of claim 169 is a method of manufacturing the liquid crystal display device of claim 167, and further comprises forming a conductive light reflecting film on the color filter. It is characterized by having a process to perform.
- the invention of claim 170 is directed to a polymerization of a photosensitive prepolymer formed on a surface of a substrate having one of an image signal electrode and a scanning electrode.
- a substrate-side resin film made of a cured product; and a polymerized cured product of a photosensitive prepolymer disposed opposite to the substrate-side resin film.
- the image signal electrode and the scanning electrode A liquid crystal display device comprising: a facing resin film on which the other of the above is formed; and a liquid crystal layer sealed between the substrate-side resin film and the facing resin film.
- the present invention is characterized in that the substrate-side resin film, the liquid crystal layer, and the counter resin film are integrally formed.
- the liquid crystal layer is sealed between the substrate-side resin film and the opposite resin film formed on one substrate, so that the liquid crystal layer is sealed between the pair of substrates.
- the weight can be reduced as compared with a liquid crystal display device in which a liquid crystal layer is sealed.
- the substrate-side resin film, the liquid crystal layer, and the opposing resin film are integrally formed, the substrate-side resin film, the liquid crystal layer, and the opposing resin film are continuously in close contact with each other.
- there is no foreign matter such as dust between the constituent members.
- the space between the substrate-side resin film and the liquid crystal layer and the space between the liquid crystal layer and the opposing resin film are not wasted, and the thickness is reduced to a state where the thickness is almost minimum. It can be formed, and a lightweight and thin liquid crystal display device can be obtained.
- the invention according to claim 1711 is the liquid crystal display device according to claim 170, further comprising the second electrode on the side of the opposite resin film or the opposite resin. It is characterized in that a color filter is provided on the opposite side of the membrane.
- the invention according to claim 17 is a resin-liquid crystal forming body, comprising: a first resin film; a second resin film facing the first resin film; and a first and second resin films.
- the first resin film, the liquid crystal layer, and the second resin film are formed integrally, the first resin film, the liquid crystal layer, and the second resin film are continuously formed.
- the structure is so close to the surface that no foreign matter such as dust is interposed between the constituent members.
- the resin's space inside the liquid crystal forming body is made useless, and accordingly, it is possible to form the resin as thin as possible to a thickness close to the limit. ⁇ Lightweight and thinner liquid crystal forming body can be achieved.
- the above-mentioned resin / liquid crystal forming body can be used in a wide range of applications, for example, a dimming window or a shading shutter that does not require a curtain or a blind. It can be used as a member.
- the resin / liquid crystal forming body according to the above configuration is applied to a transparent glass window in which a transparent electrode has been formed in advance, and the liquid crystal layer containing a dichroic dye is passed through the electrode.
- the first and second resin films can be formed to be thin, the alignment of the liquid crystal can be controlled at a low voltage.
- the invention of claim 17 is a resin according to claim 17. Therefore, at least one of the first resin film and the second resin film is capable of orienting liquid crystal molecules in a liquid crystal layer containing a dichroic dye in a predetermined direction. It has a liquid crystal orientation that can be used.
- the liquid crystal molecules in the liquid crystal layer are oriented in a predetermined direction when no voltage is applied, and the dichroic properties of the liquid crystal layer included in the liquid crystal layer are reduced.
- the dye is arranged parallel to the liquid crystal molecules. Therefore, by controlling the orientation of the liquid crystal molecules in the liquid crystal layer by applying an electric field, etc., it becomes easier to control the direction of the dichroic dye with respect to the incident light. You can improve the trust.
- the invention of claim 174 or 175 is the resin / liquid crystal forming body according to claim 172 or 1733, wherein the first resin film and the second resin film are the same.
- the resin film is formed of a resin having the same composition in which a photosensitive prepolymer is polymerized and cured by exposure.
- the first resin film and the second resin film are both formed of a cured polymer of a photosensitive prepolymer, but are formed of the same raw material.
- a resin / liquid crystal formed product having extremely excellent rigidity can be obtained.
- the invention of claim 1776 or 1777 is the resin / liquid crystal forming body according to claim 17 or 1-5, further comprising the first and second resins.
- the support member supports between the first resin film and the second resin film, but this support member is formed integrally with the first and second resin films. Since it is a material, the distance between the two resin films is reliably and stably maintained. Further, the support member is integrated with the first and second resin films. In addition, it acts to further strengthen the structure of the resin / liquid crystal forming body. Further, according to the above configuration, since the first and second resin films and the support member are formed integrally and have no joint, for example, the liquid crystal layer is formed. It is possible to make the thickness as thin as possible close to the limit, and a lighter, more connected and more robust resin-liquid crystal forming body is realized. By applying this resin / liquid crystal forming body to a liquid crystal display device, it is possible to provide a liquid crystal display device which is excellent in display stability and which is lighter and more compact. It becomes.
- the invention according to claims 1 to 8 is a resin according to claim 17, wherein the resin constituting the first and second resin films is a polyester. It is a lure-relate resin.
- the invention of claim 1779 or 180 is the resin / liquid crystal forming body according to claim 1772, wherein the liquid crystal layer comprises a nematic liquid crystal, More specifically, it includes trans-nematic liquid crystals.
- This is a manufacturing method for integrally forming a resin / liquid crystal forming body having a liquid crystal layer containing a conductive dye, wherein a photosensitive prepolymer is formed on the surface of a light transmissive substrate.
- a step of applying a mixed solution containing a liquid crystal and a dichroic dye and a liquid crystal to form a mixed film of the mixed solution on the substrate surface; By exposing the surface of the mixture film to light having a wavelength and light intensity capable of selectively polymerizing and curing only the surface layer of the mixture film, a first layer is formed on the surface of the mixture film.
- a first resin film by pressing the dichroic dye and liquid crystal in the corresponding portion toward the substrate side, and exposing the substrate through the substrate from the back side of the substrate.
- the photosensitive blepolymer remaining in the mixture film is polymerized and cured to form a second resin film facing the first resin film on the substrate side.
- the photosensitive prepolymer in the mixture film is polymerized and cured to form the first and second resin films, and the remaining dichroic properties are formed.
- the liquid crystal layer is formed by the dye and the liquid crystal, the liquid crystal layer can be formed without the need for a time-consuming liquid crystal injection step. Simplification and reduction of manufacturing costs. Furthermore, since a liquid crystal injecting step is not required, a liquid crystal layer can be surely formed in a short time even with a large area resin / liquid crystal forming body.
- the first resin film, the liquid crystal layer, and the second resin film are integrally formed, the first resin film, the liquid crystal layer, and the second resin film are continuously in close contact with each other. With this structure, there is no foreign matter such as dust between the components. Therefore, the space in the resin 'liquid crystal forming body is not wasted, and accordingly, it is possible to form the resin and liquid crystal forming as thin as possible.
- the body can be made lighter and thinner.
- a liquid crystal prepolymer mixture containing a photosensitive blepolymer, a dichroic dye, and a liquid crystal is applied to the surface of a light-transmitting substrate, Forming a mixture film made of the mixture on the substrate surface; and exposing the mixture film surface to light having a first wavelength that is not substantially transmitted through the mixture film;
- the photosensitive prepolymer in the vicinity of the mixture film surface is selectively polymerized and hardened, and the dichroic dye and the liquid crystal in the relevant portion are pushed toward the substrate to mix.
- the photosensitive prepolymer is selectively polymerized and hardened, and a second resin film is formed on the substrate surface side.
- a film forming step is provided.
- the photosensitive prepolymer in the mixture film is polymerized and cured to form the first and second resin films, and the remaining dichroic properties are formed.
- the liquid crystal layer is formed by the dye and the liquid crystal, the liquid crystal layer can be formed without requiring a time-consuming liquid crystal injection step and a manufacturing process. Simplification and reduction of manufacturing costs can be achieved.
- a protective resin film is formed on the surface of the mixture film, and the mixture film can be protected by the protective resin film and the substrate. Therefore, during the manufacturing process, the surface of the mixture film is not in contact with the surface of the mixture film, and the surface of the mixture film is not undulated, or the surface of the mixture film is wavy.
- the photomask and polarizer Exposure can be performed by superimposing on the surface of the protective resin film.
- the invention according to claim 183 is characterized in that the first resin film, the second resin film facing the first resin film, and the first resin film are sealed between the first and second resin films.
- a liquid crystal prepolymer mixture containing at least a light-sensitive prepolymer, a dichroic dye, and a liquid crystal is provided on a surface of a light-transmitting substrate.
- Forming a support member exposing a third layer of light to the surface layer on the substrate surface side of the mixed film via the polarizing plate and the substrate from behind the substrate, and exposing the surface layer to light.
- the polymer is selectively polymerized and cured to form a second resin film, and the dichroic dye and liquid crystal present on the surface layer are pressed against the protective resin film.
- the mixture film is exposed to light of the third wavelength through the plate and the protective resin film, and the photosensitive prepolymer remaining in the mixture film is polymerized and cured to form the protective resin.
- a first resin film integrated with the protective resin film is formed inside the film, and a phase-separated dichroic dye and liquid crystal are formed in the first resin film and the second resin film. And a first resin film forming step disposed between the first and second layers.
- the photosensitive prepolymer in the mixture film is polymerized and hardened to form the first and second resin films, and the remaining dichroic properties are formed.
- the liquid crystal layer is formed by the dye and the liquid crystal, the liquid crystal layer can be formed without requiring a long time-consuming liquid crystal injection step.
- the manufacturing process can be simplified and the manufacturing cost can be reduced.
- the supporting member can be formed by the photosensitive prepolymer in the mixed film, and the manufacturing process can be simplified.
- the support member is formed integrally with the first and second resin films, the distance between the two resin films can be maintained reliably and stably. In addition, it acts to further strengthen the structure of the resin-liquid crystal forming body. Therefore, according to the above configuration, a lighter and more compact device can be achieved. A real and robust resin / liquid crystal forming body is realized.
- the surface of the mixture film is protected by the protective resin film, so that the mask is directly masked on the protective resin film. And a polarizer can be superposed for exposure.
- An invention according to claim 18 is the method for producing a resin / liquid crystal forming body according to claim 18, wherein the light of the first wavelength is used as the light of the photosensitive prepolymer.
- the absorbance of the above-mentioned photosensitive blepolymer is the light having the above-mentioned first wavelength as the light of the third wavelength. It uses light of a smaller wavelength than light.
- the light of the first wavelength is not easily transmitted through the mixture film and is substantially absorbed near the surface of the mixture film, so that the protective resin film is formed on the surface of the mixture film. Can be easily formed.
- the light of the third wavelength is relatively easy to pass through the already formed protective resin film or light-transmitting substrate, the light of the third wavelength is in the vicinity of the inside of the protective resin film in the mixture film.
- the first resin film is formed inside the protective resin film because it is easily absorbed near the substrate This can be easily performed, and the second resin film can be easily formed on the substrate side of the mixture film.
- the invention of claim 18 is a method for producing the resin * liquid crystal forming body according to claim 18, wherein the exposure of the light of the first and third wavelengths is carried out by reciprocity failure. Perform under the following conditions.
- the photosensitive prepolymer is polymerized and hardened near the surface of the mixture film, and the mixture is easily mixed. It is easy to selectively form a protective resin film on the surface of the film.
- the photosensitive prepolymer is easily polymerized and cured, so that the first resin film can be formed inside the protective resin film, and the photosensitive prepolymer is formed near the substrate side of the mixture film.
- the second polymer film can be easily formed by the polymerization and curing of the mer.
- the invention of claim 186 is a method for producing a resin / liquid crystal forming body according to claim 185, wherein the photosensitive bleed polymer is a polystyrene polymer.
- the light having the first wavelength is far-ultraviolet light having a wavelength of 254 nm, including a compound of a relay system.
- the invention according to claim 1887 is the resin according to claim 183, which is a method for producing a liquid crystal forming body, wherein the photosensitive prepolymer is used as the light having the first wavelength.
- the light of the wavelength within the absorption region in the light absorption characteristics of the above is used, and the light of the second wavelength is used as the light of the second wavelength to increase the absorbance with respect to the photosensitive blepolymer.
- the light having the smaller wavelength than the light of the first wavelength is used as the light of the third wavelength, and the light absorbance is smaller than that of the light of the first wavelength.
- Light of a wavelength larger than that of the second wavelength is used.
- the light of the first wavelength is not easily transmitted through the mixture film and is substantially absorbed near the surface of the mixture film, so that the light of the first wavelength is selectively absorbed on the surface of the mixture film.
- the protective resin film can be easily formed, and the light of the second wavelength easily reaches the portion near the substrate in the mixture film, the first resin is used.
- the support member can be easily formed between the film and the second resin film without fail, and the light of the third wavelength can be applied to the already formed protective resin film or light transmission.
- it is relatively easy to permeate through a transparent substrate, while it is easily absorbed by the inside of the protective resin film in the mixture film or near the substrate side. It is possible to easily form a second resin film on the substrate side of the mixed film. Can be achieved.
- the invention according to Claim 1888 is the process for producing a liquid crystal forming body according to Claim 1887, wherein the liquid crystal prepolymer mixture is further provided with a polymerization initiator or a polymerization initiator. Is a light-absorbing region in the light-absorbing characteristic of the photosensitive prepolymer as the light of the first wavelength in the protective resin film forming step, in addition to containing a sensitizer. Exposure to the mixture film under the condition of reciprocity failure, and the light of the second wavelength is used as the light of the above-mentioned polymerization initiator or sensitization.
- the photosensitive prepolymer is absorbed.
- a light having a wavelength between the long wavelength side end of the absorption region in the characteristics and the absorption peak wavelength in the light absorption characteristics of the polymerization initiator or the sensitizer and a mixture film. Exposure is performed under conditions of reciprocity failure. As a result, the light of the first wavelength is hardly transmitted through the mixture film and is substantially absorbed near the surface of the mixture film.
- the support member is formed between the first resin film and the second resin film reliably and efficiently according to the conditions of reciprocity in order to reach the portion near the substrate. This can be easily performed, and the third wavelength light is relatively easily transmitted through the already formed protective resin film or light-transmitting substrate, while the mixed film is used. In the protective resin film, or near the substrate side, may cause a reciprocity failure. It is possible to easily form the first resin film inside the protective resin film by polymerizing the photosensitive polymer, and to form the first resin film on the substrate side of the mixture film. The second resin film can be easily formed.
- the invention of claim 189 or 190 is the method for producing a resin / liquid crystal forming body according to claim 1822, wherein the liquid crystal layer is a nematic material. Includes liquid crystals, more specifically, trans-nematic liquid crystals.
- the photosensitive prepolymer is easily separated from the liquid crystal containing the dichroic dye by the exposure of the mixture film, and the photosensitive prepolymer is easily separated.
- the first resin film, the second resin film, and the like can be easily formed by polymerization and curing.
- the invention of claim 191 or 192 is a method for producing a liquid crystal forming body according to claim 1888, wherein the photopolymerization initiator or the photosensitizer is used.
- the agent a benzoyl compound, more specifically, 2,2-dimethoxy-1,2, -diphenylethane-one is used. .
- the invention of claim 193 is the resin according to claim 188, which is a method for manufacturing a liquid crystal forming body, wherein the photosensitive prepolymer is a polystyrene crystal.
- Ultraviolet light having a wavelength of 365 nm is used as the light having the wavelength
- ultraviolet light having a wavelength of 31 nm is used as the light having the third wavelength.
- the light of the first wavelength is hardly transmitted through the mixture film, and is substantially absorbed near the surface of the mixture film, and thus, the light sensitivity due to the reciprocity failure condition is increased. It is easy to selectively form a protective resin film on the surface of the mixture film by polymerizing and curing the polymer, and light of the second wavelength is easily applied to the mixture film.
- the support member is formed between the first resin film and the second resin film reliably and efficiently under the conditions of reciprocity in order to reach the portion near the substrate to be cut.
- the third wavelength of light is relatively easy to pass through the already formed protective resin film or light-transmitting substrate, while the mixed film is In the protective resin film or near the substrate side in It is possible to easily form the first resin film inside the protective resin film by polymerizing and curing the photosensitive polymer, and to form the first resin film on the substrate side of the mixture film.
- the resin film of No. 2 can be easily formed.
- the invention of claim 19, is a light-sensitive panel formed on a surface of a substrate having at least a pixel electrode and a switching element connected to the pixel electrode.
- a substrate-side resin film made of a polymerized and cured product of a polymer, and a polymerized and cured product of a photosensitive polymer that is disposed opposite to the substrate-side resin film.
- the present invention is characterized in that the substrate-side resin film, the liquid crystal layer, and the opposing resin film are integrally formed.
- a liquid crystal layer containing a dichroic dye is sealed between the substrate-side resin film and the opposite resin film formed on one substrate, so that a pair of Compared with a liquid crystal display device in which a liquid crystal layer containing a dichroic dye is sealed between substrates, the weight can be reduced. Further, since the substrate-side resin film, the liquid crystal layer, and the opposing resin film are integrally formed, the substrate-side resin film, the liquid crystal layer, and the opposing resin film are continuously in close contact with each other. However, there is no foreign matter such as dust between the constituent members.
- the space between the substrate-side resin film and the liquid crystal layer and the space between the liquid crystal layer and the opposite resin film are not wasted, and the thickness is reduced to a state where the thickness is close to the minimum. It is also possible to form a liquid crystal display device that is light and thin and capable of bright display.
- the thickness of the substrate-side resin film and the facing resin film can be reduced, it is possible to control the alignment of the liquid crystal at a low voltage. Further, the viewing angle characteristics in the liquid crystal display device can be improved by forming the substrate-side resin film and the opposing resin film to be thinner. .
- the invention according to claim 195 is the liquid crystal display device according to claim 194, wherein a counter electrode is formed on a side of the counter resin film opposite to the liquid crystal layer, and the counter electrode and the substrate are formed.
- a display layer is composed of the side resin film, the opposing resin film, and the liquid crystal layer, and a plurality of the display layers are laminated, and the liquid crystal layer in each display layer is different. Contains dichroic dyes of different colors This is the feature.
- a color filter is not required, a clear display can be performed, and a liquid crystal display device that can be easily integrated into a color can be obtained. Further, since the liquid crystal display device can be made thinner than before, the viewing angle characteristics are improved.
- the invention according to claim 196 is the liquid crystal display device according to claim 195, wherein the display layer has a three-layer structure, and a dichroic color element included in each liquid crystal layer is included. It is characterized by being yellow, magenta, and cyan.
- the invention according to claims 197 to 199 is the liquid crystal display device according to claims 194 to 196, wherein both the substrate-side resin film and the opposite resin film are provided between the substrate-side resin film and the opposite resin film. It is characterized in that a support member formed integrally with the resin film is arranged.
- the support member supports between the substrate-side resin film and the opposite resin film, but this support member is formed integrally with the substrate-side resin film and the opposite resin film. Therefore, the distance between the two resin films is reliably and stably maintained. Further, the support member is integrated with the substrate-side resin film and the opposing resin film so as to further strengthen the structure of the liquid crystal display device.
- the support member, the substrate-side resin film, and the opposing resin film are formed physically and do not have a joint, for example,
- the thickness of the crystal layer can be made as thin as possible, and a liquid crystal display device that is lighter, more compact, and more excellent in display stability can be realized.
- the invention of claim 200 is the liquid crystal display device according to claim 194. Further, the substrate-side resin film and the opposing resin film are characterized by containing a polyacrylate-based compound.
- the above-mentioned polyester acrylate resin is excellent in transparency, so that it is excellent in transparency to light in the visible light range and is bright.
- a liquid crystal display device capable of performing a good display.
- An invention according to claim 201 or 202 is the liquid crystal display device according to claim 194, wherein the liquid crystal layer is a nematic liquid crystal, more specifically, It is characterized by including trans-nematic liquid crystals. According to the above configuration, an inexpensive liquid crystal display device with stable operation can be obtained.
- the invention of claim 203 to 205 is the liquid crystal resin display device according to claims 194 to 196, wherein the opposite resin film and the substrate-side resin film are provided. At least one is that the photosensitive prepolymer is formed by polymerizing and curing such that the molecules are directional by exposure to polarized light. And is characterized.
- the liquid crystal molecules in the liquid crystal layer are oriented in a predetermined direction when no voltage is applied, and the dichroic properties contained in the liquid crystal layer are also reduced.
- the dye is arranged parallel to the liquid crystal molecules. Therefore, by controlling the orientation of the liquid crystal molecules in the liquid crystal layer by applying an electric field or the like, it becomes easy to control the direction of the dichroic dye with respect to the incident light, and the contrast is improved. Can be improved.
- the invention according to claim 206 is the liquid crystal display device according to claim 196, wherein the opposing electrode on the outermost surface of the opposing electrodes constituting each display layer reflects light. It is characterized by being formed from materials.
- the invention according to claim 207 is the liquid crystal display device according to claim 196, wherein the opposing electrodes forming each of the display layers are formed of a transparent conductive film. It is characterized by
- An invention according to claim 208 provides a light-sensitive substrate formed on a surface of a light-transmitting substrate having a pixel electrode and a switching element connected to the pixel electrode.
- a substrate-side resin film made of a polymerized cured product of a polymer, and an opposing resin film made of a polymerized cured product of a photosensitive prepolymer disposed opposite to the substrate-side resin film.
- a photosensitive prepolymer and a dichroic dye are provided on the surface of a substrate having a tinting element. Applying a mixed solution containing crystals and forming a mixed film made of the mixed solution on the substrate surface; and selectively polymerizing only the surface layer of the mixed film on the mixed film surface. By exposing light having a wavelength and light intensity that can be cured, an opposing resin film is formed on the surface layer of the mixture film and the light is exposed. The dichroic dye and liquid crystal of the portion are pushed to the substrate side, and the exposure is performed through the substrate from the back side of the substrate by exposing through the substrate from the back side of the substrate.
- the photosensitive prepolymer is polymerized and cured to form a substrate-side resin film on the substrate side facing the opposite resin film, and a phase-separated dichroic dye and liquid crystal. Is disposed between the opposite resin film and the substrate-side resin film. , It is characterized by and Bei example Ru child.
- the photosensitive blepolymer in the mixture film is polymerized and cured. Since the liquid crystal layer and the dichroic dye are used to form the liquid crystal layer and the substrate side resin film, the liquid crystal layer is formed by the remaining liquid crystal and dichroic dye.
- the liquid crystal layer can be formed without the need for a liquid crystal injection step, which simplifies the manufacturing process and reduces manufacturing costs. . Furthermore, since a liquid crystal injection step is not required, a liquid crystal layer can be reliably formed in a short time even in a large-area liquid crystal display device.
- the liquid crystal layer containing the dichroic dye is sealed between the substrate-side resin film and the opposite resin film formed on one substrate, a pair of substrates is formed.
- the weight can be reduced as compared with a liquid crystal display device in which a liquid crystal layer containing a dichroic dye is sealed between them.
- the substrate-side resin film, the liquid crystal layer, and the opposing resin film are integrally formed, the substrate-side resin film, the liquid crystal layer, and the opposing resin film are continuously and closely in contact with each other. The structure is so that there is no foreign matter such as dust between the constituent members.
- the space between the substrate-side resin film and the liquid crystal layer and the space between the liquid crystal layer and the opposing resin film are not wasted, and the thickness is reduced to a state where the thickness is close to the limit.
- a light and thin liquid crystal display device capable of bright display can be obtained.
- An invention according to claim 209 is a light-sensitive substrate formed on a surface of a light-transmitting substrate having a pixel electrode and a switching element connected to the pixel electrode.
- a substrate-side resin film made of a polymerized and cured product of a polymer, and an opposing resin film made of a polymerized and cured photosensitive polymer that is disposed opposite to the substrate-side resin film.
- a liquid mixture of a liquid crystal prepolymer containing a photosensitive blepolymer, a dichroic colorant, and a liquid crystal is applied thereon, and a mixture film made of the above liquid mixture is formed on a substrate surface.
- a resin film on the substrate side is formed on the substrate surface side, and the dichroic dye and A substrate-side resin film forming step of pressing the mixture film toward the protective resin film side, and exposing the mixture film to light of a third wavelength from the protective resin film side via the protective resin film,
- the photosensitive prepolymer remaining therein is polymerized and cured to form a first resin film integrated with the protective resin film inside the protective resin film, and the protective resin film and the first resin are formed.
- a first resin film is formed between the first resin film and the substrate-side resin film, and a phase-separated dichroic dye and a liquid crystal are disposed between the first resin film and the substrate-side resin film.
- a resin film forming step is
- the photosensitive prepolymer in the mixture film is polymerized and cured to form the opposite resin film and the resin film on the substrate side, and the remaining liquid crystal is formed. Since the liquid crystal layer is thus formed, the liquid crystal layer can be formed without the need for a long liquid crystal injection step, and the manufacturing process can be simplified. It is possible to reduce manufacturing costs.
- a protective resin film is formed on the surface of the mixture film, and the mixture film can be protected by the protective resin film and the substrate. Therefore, during the manufacturing process, the convex and concave portions are formed on the surface of the mixture film in contact with the surface of the mixture film, and the surface of the mixture film does not undulate.
- the photo mass The exposure can be performed by superposing a polarizing plate on the surface of the protective resin film.
- the invention according to claim 210 is a light-sensitive substrate formed on a surface of a light-transmitting substrate having a pixel electrode and a switching element connected to the pixel electrode.
- a resin film on the substrate side made of a polymerized and cured product of a polymer, and an opposite resin film made of a polymerized and cured material of a photosensitive prepolymer disposed opposite to the resin film on the substrate side
- a liquid crystal layer containing a dichroic dye sealed between the substrate-side resin film and the opposing resin film in a method for manufacturing a liquid crystal display device, which is integrally formed.
- the light of the first wavelength is exposed to the surface of the mixture film, and the liquid crystal layer containing a dichroic dye present near the surface of the mixture film is pushed toward the substrate side, and the surface of the mixture film is gradually exposed.
- Forming a protective resin film on the surface of the mixture film by selectively polymerizing and curing the nearby photosensitive polymer to form a protective resin film; and forming a desired pattern on the outside of the protective resin film.
- the mask of the composite is overlaid, the light of the second wavelength is exposed to the mixture film through the mask, and the photosensitive prepolymer is not cured by polymerization to a desired shape.
- the third layer is exposed to light of the third wavelength on the surface layer on the substrate side of the mixture film, and the photosensitive prepolymer on the surface layer is selectively polymerized and cured, and the substrate side resin is coated on the substrate side.
- a first resin film integrated with the protective resin film is formed inside the protective resin film by polymerizing and curing the photosensitive prepolymer, and the protective resin film and the first resin film are formed.
- the support member can be formed by the photosensitive preprimer in the mixture film, and the manufacturing process can be simplified. Wear .
- the support member is formed integrally with the first and second resin films, it is considered that the distance between the two resin films is reliably and stably maintained. In particular, it works to further enhance the structure of the liquid crystal display device. Therefore, according to the above configuration, a lighter and more compact liquid crystal display device can be realized.
- the photosensitive prepolymer in the mixture film is polymerized and cured to form a facing resin film and a resin film on the substrate side, and the remaining liquid crystal is cured.
- the liquid crystal layer is formed, so that the liquid crystal layer can be formed without requiring a time-consuming liquid crystal injection step, which simplifies the manufacturing process. And the cost of manufacturing can be reduced.
- the support member can be formed by the photosensitive prepolymer in the mixture film, and the manufacturing process can be simplified.
- the holding member is formed integrally with the opposing resin film (the protective resin film and the first resin film) and the substrate-side resin film (the second resin film). As a result, the distance between the two resin films is reliably and stably maintained, and the structure of the liquid crystal display device is further strengthened. Therefore, according to the above configuration, a lighter, more connected, and more robust liquid crystal display device is realized.
- the first resin film forming step and the supporting member forming step Since the surface of the mixture film is protected by the protective resin film, exposure can be performed by directly overlaying a mask or a polarizing plate on the protective resin film.
- first and substrate-side resin film forming steps light of the third wavelength is exposed through a polarizing plate, whereby the first and substrate-side resin film are formed.
- a liquid crystal orientation that allows the liquid crystal molecules to be oriented in a predetermined direction because the molecules are polymerized in a directional manner. This eliminates the need to perform the process, and simplifies the manufacturing process.
- the invention according to claim 211 is the method for manufacturing a liquid crystal display device according to claim 209, wherein the light of the first wavelength is used as the light of the photosensitive prepolymer.
- the light having the wavelength within the absorption region in the light absorption characteristic of the above is used as the light of the third wavelength, and the light absorption of the photosensitive prepolymer is the light of the first wavelength. It is characterized by the use of light of a smaller wavelength. ⁇ Thus, the light of the first wavelength is hardly transmitted through the mixture film, and is substantially not. Since it is absorbed near the surface of the mixture film, a protective resin film can be easily formed on the surface of the mixture film.
- the light of the third wavelength is relatively easy to pass through the already formed protective resin film or light-transmitting substrate, while the light near the inner side of the protective resin film in the mixture film. Since it is easily absorbed near the substrate, the first resin film can be easily formed on the inside of the protective resin film, and the substrate can be easily formed on the substrate side of the mixture film. The side resin film can be easily formed.
- the invention according to claim 21 is the liquid crystal display device according to claim 21, wherein the exposure of the light having the first and third wavelengths is performed under conditions of reciprocity failure. This is the feature.
- the photosensitive prepolymer when the light of the first wavelength is irradiated under the condition of reciprocity failure, the photosensitive prepolymer is easily polymerized and hardened near the surface of the mixture film, and the mixture is hardened. It is easy to selectively form a protective resin film on the surface of the film.
- the photosensitive prepolymer when the third light is irradiated under the condition of reciprocity failure, the photosensitive prepolymer is easily polymerized and hardened near the inside of the protective resin film, and the first light is applied to the inside of the protective resin film.
- the resin film of No. 1 can be formed, and the light-sensitive prepolymer is polymerized and cured near the substrate side of the mixture film, so that the resin film on the substrate side can be easily formed. .
- An invention according to claim 21 13 is the method for manufacturing a liquid crystal display device according to claim 21, wherein the photosensitive prepolymer is a polystyrene acrylate. It is characterized in that the light of the first wavelength is far-ultraviolet light having a wavelength of 254 nm.
- the invention according to claim 214 is the method for producing a liquid crystal display device according to claim 210, wherein the light of the first wavelength is absorbed by the photosensitive prepolymer as the light of the first wavelength.
- the light having the wavelength within the absorption region in the characteristic is used, and as the light of the second wavelength, the absorbance of the photosensitive prepolymer is higher than that of the light of the first wavelength.
- the light having the smaller wavelength is used as the light of the third wavelength, and the absorbance is smaller than that of the light of the first wavelength, and is smaller than that of the light of the second wavelength. Due to the feature of using light of a large wavelength, the light of the first wavelength is hardly transmitted through the mixture film, and is substantially formed of the mixture film.
- the supporting member is surely provided between the facing resin film and the substrate-side resin film.
- the light of the third wavelength can be easily transmitted, and the light of the third wavelength is relatively easily transmitted through the protective resin film or the light-transmitting substrate which has already been formed. Since it is easily absorbed inside the protective resin film or near the substrate side, it is easy to form the first resin film inside the protective resin film, and it is possible to form the first resin film inside the protective resin film.
- the substrate side resin film can be easily formed on the substrate side.
- the invention according to claim 2 15 is the method for producing a liquid crystal display device according to claim 2 14, wherein the mixed liquid of the liquid crystal prepolymer is further provided with a polymerization initiator or a polymerization initiator.
- the light of the above-mentioned first wavelength in the above-mentioned protective resin film forming step is used as an absorption region in the light absorption characteristics of the above-mentioned photosensitive prepolymer. Exposure to the mixture film is performed under the conditions of reciprocity failure using light having a wavelength of the above-mentioned, and the light of the above-mentioned second wavelength is used as the above-mentioned polymerization initiator or sensitizer.
- the first resin film forming step and the first step 2 As the light of the third wavelength in the resin film forming process, the light absorption of the photosensitive prepolymer is used.
- a light having a wavelength between the long wavelength end of the absorption region in the property and the absorption peak wavelength in the absorption characteristics of the polymerization initiator or the sensitizer and a mixture film. It is characterized in that exposure to light is performed under conditions of reciprocity failure.
- the light of the first wavelength is hardly transmitted through the mixture film, is substantially absorbed near the surface of the mixture film, and is exposed to light under reciprocity failure conditions. It is possible to easily form a protective resin film selectively on the surface of the mixture film by polymerizing and curing the hydrophilic polymer, and the light of the second wavelength is applied to the mixture film.
- a support member is reliably and efficiently formed between the first resin film and the substrate-side resin film according to the conditions of reciprocity so that the support member can reach the portion near the substrate.
- the third wavelength light is relatively easy to pass through the already formed protective resin film or light-transmitting substrate.
- the photosensitive polymer in the mixture film is easily absorbed inside the protective resin film and near the substrate side, and the photosensitive polymer is polymerized and hardened due to reciprocity failure.
- the first resin film can be easily formed inside the protective resin film, and the substrate-side resin film can be easily formed on the substrate side of the mixture film. it can .
- the invention according to claim 216 or 217 is a method for manufacturing a liquid crystal display device according to claim 209, wherein the liquid crystal layer containing the dichroic dye is a nematic material. It is characterized by including a liquid crystal, more specifically, a trans-nematic liquid crystal.
- the photosensitive prepolymer and the liquid crystal layer containing a dichroic dye undergo phase separation due to exposure of the mixture film, thereby facilitating the photosensitive prepolymer.
- the invention according to claim 218 or 219 is the method for producing a liquid crystal display device according to claim 215, wherein the photopolymerization initiator or the sensitizer is used.
- Benzyl-based compound more specifically, 2, 2-dimethoxy 1, 2-diphenylene 1-1 -on This is the feature.
- the polymerization and curing of the photosensitive preprimer can be performed efficiently, so that the curing speed of the photosensitive preprimer can be increased, and It is possible to further simplify the manufacturing process.
- An invention according to claim 220 is the method for manufacturing a liquid crystal display device according to claim 215, wherein the photosensitive prepolymer is a polystyrene crystal.
- the liquid crystal layer containing a dichroic dye and containing a dichroic dye is composed of a tolane nematic liquid crystal and an azo dye, and a tolane nematic liquid crystal and a dye.
- the mixture film contains a len-based dye or a tran-based nematic liquid crystal and an anthraquinone-based dye.
- Sea 1, 2 Including diphenyl ethane, and using the first wavelength light as described above, use far ultraviolet light having a wavelength of 254 nm, It is characterized in that ultraviolet light having a wavelength of 365 nm is used as the light having the second wavelength, and ultraviolet light having a wavelength of 31 nm is used as the light having the third wavelength. It is said that.
- the light of the first wavelength is hardly transmitted through the mixture film, is substantially absorbed near the surface of the mixture film, and is exposed to light under reciprocity failure conditions. It is easy to selectively form a protective resin film on the surface of the mixture film by polymerizing and curing the hydrophilic polymer, and the light of the second wavelength is applied to the mixture film.
- a support member can be formed reliably and efficiently between the first resin film and the substrate-side resin film according to the conditions of reciprocity, as it reaches the area near the substrate.
- the third wavelength light is relatively easy to pass through the already formed protective resin film or light-transmissive substrate, while the mixed film is easily absorbed.
- the photosensitive polymer can be polymerized and hardened to form the first resin film inside the protective resin film, and the substrate film of the mixture film can be easily formed.
- the substrate-side resin film can be easily formed.
- the invention according to claim 222 is the method for manufacturing a liquid crystal display device according to claim 208, wherein a counter electrode is provided on a side of the counter resin film opposite to the liquid crystal layer containing the dichroic dye. It is characterized by having a counter electrode forming step for forming.
- the invention according to claim 22 is a method for manufacturing the liquid crystal display device according to claim 22.
- the opposing electrode forming step is to form the opposing electrode by forming a transparent conductive film on the opposite side of the liquid crystal layer containing the dichroic dye to the opposing resin film.
- the feature is that it is a forming process.
- a light-weight and thin transmissive liquid crystal display device can be manufactured.
- An invention according to claim 22 is the method for manufacturing a liquid crystal display device according to claim 22, wherein the opposing electrode forming step includes a step of forming a light on the opposite side of the opposing resin film to the liquid crystal layer.
- the step of forming the above-mentioned counter electrode is characterized by forming the above-mentioned reflective film.
- the invention according to claim 224 is directed to a polymerization curing of a photosensitive prepolymer formed on a surface of a substrate having one of an image signal electrode and a scanning electrode.
- a substrate-side resin film made of a material, and a polymerized and cured product of a photosensitive prepolymer disposed opposite to the substrate-side resin film.
- a liquid crystal layer containing a dichroic dye is sealed between the substrate-side resin film and the opposing resin film formed on one substrate, so that one pair is formed.
- a liquid crystal display device in which a liquid crystal layer containing a dichroic dye is sealed between substrates, it is possible to reduce the weight, and is simple and suitable for use in portable devices.
- a matrix-type liquid crystal display device can be obtained.
- the substrate-side resin film, the liquid crystal layer, and the counter resin film are integrally formed. Since it is formed, the substrate side resin film, the liquid crystal layer, and the opposing resin film have a structure that is continuously and closely in contact with each other. There is no answer.
- FIG. 1 is a longitudinal sectional view showing the configuration of a transmission type TN type liquid crystal display device according to Embodiment 11 of the first invention group.
- FIG. 2 is an explanatory view showing a manufacturing process of the liquid crystal display device according to the embodiment 1-1, and FIG. 2 (a) shows a method of forming a thin film transistor and a pixel electrode on a substrate.
- FIG. 2 (b) is an explanatory view showing a process of forming an alignment film on a substrate
- FIG. 2 (c) is an explanatory view showing a liquid crystal prepolymer mixture.
- FIG. 2 (d) is an explanatory view showing a step of applying a coating to the substrate surface
- FIG. 2 (d) is an explanatory view showing a step of forming a protective resin film by exposure to first light.
- FIG. 3 is an explanatory view showing a manufacturing process of the liquid crystal display device according to the embodiment 11;
- FIG. 3 (e) shows a process of forming a supporting member by exposing a second light;
- FIG. 3 (f) is an explanatory view showing a step of forming an inner resin film by exposure to a third light, and
- FIG. 3 (g) is an explanatory view showing a counter electrode and a capacitor.
- FIG. 4 is an explanatory view showing a step of forming a la filter.
- FIG. 4 is a graph showing the visible / ultraviolet spectral absorption characteristics of a liquid mixture of the liquid crystal prepolymer of the embodiment 11;
- FIG. 5 is a longitudinal sectional view showing a configuration of the reflective TN liquid crystal display device according to the embodiment 12;
- FIG. 6 shows the structure of a transmissive IPS type liquid crystal display device according to the thirteenth embodiment. It is a longitudinal cross-sectional view showing the result.
- FIG. 7 is a longitudinal sectional view showing a configuration of the reflection type IPS type liquid crystal display device according to the embodiment 14;
- FIG. 8 is a longitudinal sectional view showing the configuration of the liquid crystal device according to the first to fifteenth embodiments.
- FIG. 9 is a longitudinal sectional view showing a configuration of a transmissive TN type liquid crystal display device according to Embodiment 2-1 of the second invention group.
- FIG. 10 is an explanatory view showing a manufacturing process of the liquid crystal display device of Embodiment 2-1.
- FIG. 10 (a) shows a thin film transistor and a pixel on a substrate.
- FIG. 10 (b) is an explanatory diagram showing a process of forming an electrode
- FIG. 10 (b) is an explanatory diagram showing a process of applying a liquid crystal prepolymer mixture to the surface of a substrate.
- 3) is an explanatory view showing a step of forming a protective resin film by exposure to first light.
- FIG. 11 is an explanatory view showing a manufacturing process of the liquid crystal display device according to the embodiment 2-1.
- FIG. 11 (d) shows a photomask overlaid on a protective resin film.
- FIG. 11 (e) is an explanatory view showing a step of forming a supporting member by exposure to light of a second light.
- FIG. 12 is an explanatory view showing a manufacturing process of the liquid crystal display device according to the embodiment 2-1.
- FIG. 12 (f) shows the substrate side resin film by the third light exposure.
- FIG. 12 (g) is an explanatory view showing a step of forming a first resin film inside a protective resin film by exposure to a third light. .
- FIG. 13 is an explanatory view showing a manufacturing process of the liquid crystal display device according to the embodiment 2-1.
- FIG. 13 (h) shows the formation of a counter electrode and a color filter.
- FIG. 4 is an explanatory diagram showing the steps.
- FIG. 14 shows the visible state of the liquid mixture of the liquid crystal prepolymer of Embodiment 2-1. This is a graph showing ultraviolet spectral absorption characteristics.
- FIG. 15 is a longitudinal sectional view showing a configuration of a reflective TN liquid crystal display device according to Embodiment 2-2.
- FIG. 16 is a longitudinal sectional view showing a configuration of a transmission type IPS type liquid crystal display device according to Embodiment 2-3.
- FIG. 17 is a longitudinal sectional view showing a configuration of a reflection type IPS type liquid crystal display device according to the second to fourth embodiments.
- FIG. 18 is a longitudinal sectional view showing a configuration of a blind glass according to Embodiment 2-5.
- FIG. 19 is a longitudinal sectional view showing a configuration of a transmission type liquid crystal display device according to Embodiment 3-1 of the third invention group.
- FIG. 20 is an explanatory view showing a manufacturing process of the liquid crystal display device according to the embodiment 3-1.
- FIG. 20 (a) shows a thin film transistor and a thin film transistor on a substrate.
- FIG. 20 (b) is an explanatory view showing a step of forming a pixel electrode, and
- FIG. 20 (b) is an explanatory view showing a step of applying a liquid crystal prepolymer mixture to the surface of a substrate.
- (c) is an explanatory view showing a step of forming a protective resin film by exposure to first light;
- FIG. 21 is an explanatory view showing a manufacturing process of the liquid crystal display device of Embodiment 3-1.
- FIG. 21 (d) shows that a photomask is superimposed on the protective resin film.
- FIG. 22 (e) is an explanatory view showing a step of forming a support member.
- FIG. 22 (e) is an explanatory view showing a step of forming a support member by exposure to second light.
- FIG. 22 is an explanatory view showing a manufacturing process of the liquid crystal display device according to the embodiment 3-1.
- FIG. 22 (f) shows a substrate-side resin film by the third light exposure.
- FIG. 22 (g) is an explanatory view showing a step of forming a first resin film inside a protective resin film by exposure to a third light.
- FIG. 23 is an explanatory view showing a manufacturing process of the liquid crystal display device according to the embodiment 3-1.
- FIG. 23 (h) is an explanatory view showing a step of forming a counter electrode.
- FIG. 23 (i) is an explanatory view showing a process in which the process of FIG. 23 (a) to Noji (h) is repeated twice to form a three-layer structure.
- FIG. 24 is a graph showing the visible and ultraviolet spectral absorption characteristics of the liquid crystal prepolymer mixture of Embodiment 3-1.
- FIG. 25 is a longitudinal sectional view showing the configuration of the reflective liquid crystal display device according to the embodiment 3-2.
- FIG. 26 is a longitudinal sectional view showing the configuration of the blind glass according to the embodiment 3-3. Best mode for carrying out the invention
- Embodiment 11 As a first to eleventh embodiment of the present invention, a transmission type twisted nematic (TN) driven by a thin film transistor (TFT) is used. An example of a liquid crystal display device will be described with reference to FIGS.
- this liquid crystal display device has a partition wall-shaped support member 22 on a glass substrate 21 and a film thickness supported by the support member 22 of about 1 layer.
- a 2 ⁇ m film-shaped resin film 23 is provided, and a liquid crystal layer 2 in which liquid crystal is sealed between the glass substrate 21 and the resin film 23. 4 is formed and configured.
- ITO indium tin oxide
- an alignment film 27 is formed.
- a sheet resistance of 100 to 50 ohms is formed on the resin film 23.
- the counter electrode 28 made of ITO transparent conductive film at the mouth and the color mosaic filter 29 made up of a small group of red, green and blue filters It has been set up. Further, polarizers 30 and 30 are provided on the outer side of the glass substrate 21 and the color mosaic filter 29, respectively. .
- the support member 22 and the resin film 23 are polymerized and cured by irradiation of a photopolymerizable monomer or an oligomer, which is a photosensitive prepolymer, with ultraviolet light. It is formed. More specifically, the resin film 23 is composed of a protective resin film 23 a and an inner resin film 23 b formed by two irradiations of ultraviolet rays. It is. When irradiating ultraviolet rays to form the inner resin film 23b, ultraviolet rays polarized in a predetermined direction are used, so that the glass substrate 21 and the resin are formed. A TN type liquid crystal display device in which liquid crystal molecules are twisted by 90 ° with the film 23 is formed.
- a thin-film transistor array 25 and a pixel electrode 26 are formed on a glass substrate 21.
- a polyimide resin for an alignment film is applied to a thickness of about 100 nm using a spinner, and is applied at a temperature of 250 degrees. After heat-curing with C for about 20 minutes, the alignment film 27 is formed by rubbing in a predetermined direction.
- the liquid crystal prepolymer mixture 31 was spread over the entire surface of the alignment film 27 using a spinner for about 6 m. Apply to the film thickness.
- the liquid crystal prepolymer mixture 31 is specifically composed of a photopolymerizable monomer or oligomer, which is a light-sensitive prepolymer, and a photopolymerizable monomer. It is a mixture of a nematic liquid crystal with a polymerization initiator or a sensitizer that improves the reactivity of a monomer or an oligomer. Than Specifically, for example,
- the materials and the mixing ratio of the liquid crystal prepolymer-mixture 31 are not limited to those described above.
- the mixing ratio of the polyfunctional polyester clear may be set according to the thickness of the resin film 23 to be formed.
- a homogeneous mixture may be used even if the liquid crystal does not necessarily have to be dispersed in the mixture.
- the liquid crystal prepolymer mixture 31 exhibits a visible / ultraviolet spectral absorption characteristic (absorption characteristic), for example, as shown in FIG.
- the liquid crystal prepolymer mixture 31 has an absorption region where the absorbance is extremely large for light having a wavelength of about 300 nm or less.
- solid lines and broken lines indicate the light absorption characteristics before and after polymerization, respectively.
- the wavelength is 254 nm and the intensity is 0.5 mW over the entire surface of the liquid crystal prepolymer mixture 31.
- the wavelength of the first light (254 nm) is a polyfunctional poly-
- the first light is located in the absorption region (shorter wavelength side than the longer wavelength end of the absorption region) in the light absorption characteristics of the terreacrylate-based substance, and the first light is a liquid crystal prepolymer. It hardly permeates the mixed solution 31 and is absorbed near its surface. Also, since the first light has a very low intensity (the condition of reciprocity failure), the liquid crystal prepolymer is mixed near the surface of the liquid crystal prepolymer mixture 31. Polyester acrylate in the mixed solution 31 is separated out by phase separation and is precipitated, polymerized and hardened, and fixed, and the protective resin film 23 a is formed as described above. .
- a photomask 51 having a grid 5 la of about 5 ⁇ m in a lattice shape corresponding to the position where the support member 22 is formed is shown in FIG. e)
- the liquid crystal prepolymer mixture 31 is overlapped with the liquid crystal prepolymer mixture 31, aligned, and pressed to make the film thickness of the liquid crystal prepolymer mixture 31 uniform.
- Exposure with the second light having a wavelength of 365 nm and a sufficiently large intensity (condition of reciprocity) is performed, and the position of the gap 51 a of the photo mask 51 described above is obtained. Then, a support member 22 is formed.
- the wavelength of the second light (365 nm) is based on the absorption characteristics of the polymerization initiator (2,2—dimethoxy-1,2—diphenylethane-1—one).
- the second light is located in a longer wavelength region than the absorption peak wavelength (335 nm) of the liquid crystal, and the second light easily transmits through the liquid crystal prepolymer mixture 31.
- the polyester acrylate in the polymer mixture 3 1 extends in the direction of its thickness, that is, from the orientation film 27 to the protective resin film 2. Polymerization and curing occur up to 3a to form a partition-shaped support member 22. Further, since the intensity of the second light is high, the above polymerization is performed in a relatively short time. If the polymerization is carried out in such a short time, the liquid crystal in the liquid crystal prepolymer-mixture 31 is maintained in a dispersed state on the support member 22. In particular, it does not affect the display operation of the liquid crystal display device.
- the photomask 51 with the above-mentioned grid-like gap 5 la instead, for example, a photomask having a plurality of openings of several m square may be used to form the columnar support member.
- the wavelength becomes 3 over the entire surface of the liquid crystal blepolymer mixture 31 via the polarizing plate 52. Exposure to about 1000 mJ / cm 2 with a third light of 13 nm and an intensity of 0.5 mW / cm 2, and the protective resin film 23 a on the glass substrate 21 side In addition, an inner resin film 23 b having a thickness of about 0.7 ⁇ m is formed, and the liquid crystal remaining in the liquid crystal prepolymer-mixture liquid 31 is formed. The liquid crystal layer 24 is formed.
- the wavelength of the third light (313 nm) is determined by the absorption peak wavelength in the light absorption characteristics of the polymerization initiator and the wavelength of the photopolymerizable substance of the polyester acrylate type.
- the third light is located between the long wavelength side end of the absorption region in the light absorption characteristics, and the third light is compared with the protective resin film 23a (polymerized and cured polystyrene clear).
- the liquid crystal prepolymer liquid mixture 31 (uncured polyacrylate), which transmits light well, does not transmit much, so the liquid crystal preform It is absorbed near the surface of the polymer mixture 31.
- the polyester in the liquid crystal prepolymer mixture 31 is also used.
- the crylate undergoes phase separation and precipitates near the lower surface of the protective resin film 23a, and is polymerized and cured to form the inner resin film 23b as described above.
- the liquid crystal layer 24 is formed of the alignment film 27 because all of the polyester acrylate in the liquid crystal prepolymer mixture 31 precipitates out.
- the liquid crystal with a relatively high purity is sealed between the inside and the inner surface side resin film 23b.
- the polyester acrylate is formed because the molecules are polymerized directionally.
- the inner resin film 23 b has a function as an alignment film that orients liquid crystal molecules near the surface in the polarization direction of the polarizing plate 52. Therefore , By setting the polarization direction of the polarizing plate 52 to a direction at an angle of, for example, 90 ° to the rubbing direction of the alignment film 27, the alignment film 27 and the alignment film 27 are formed. Between the resin film 23 and the resin film 23, a TN type liquid crystal cell structure in which the orientation direction of the liquid crystal molecules is twisted by 90 ° is formed.
- the shape of the inner resin film 23b may be reduced.
- the formation can be performed particularly efficiently, even when a material whose transmittance does not change much before and after polymerization is used, the third light is used to a certain extent.
- the inner resin film 23b can be formed in the same manner.
- a transparent conductive film of ITO (sheet resistance 100 to 50 ohm / port) is deposited on the resin film 23 by vapor deposition.
- a counter electrode 28 is formed, and a red-green-blue color mosaic filter 29 is formed on the counter electrode 28 by a known method.
- a color mosaic filter 29 is formed on the resin film 23, and a counter electrode 28 is formed on the color mosaic filter 29. You can do it.
- the polarizing plates 30 and 30 are provided on the outer side of the glass substrate 21 and the color mosaic filter 29.
- the liquid crystal display device shown in FIG. 1 is obtained.
- the inner resin film 23 b as described above may not necessarily be formed, but by forming it, the liquid crystal prepolymer is mixed. It is easy to increase the purity of the liquid crystal in the liquid crystal layer 24 by precipitating the polyacrylate remaining in the liquid 31. Can be used.
- the resin film may be formed after the support member 22 is formed first, but usually, the resin film is formed first as described above. It is easy to suppress the unevenness of the resin film to a small extent.
- the above (4) If the step (5) is performed in the reverse order, the masking of the step (5) needs to be performed with a proxy exposure or a projection exposure.
- the support member 22 is formed by polymerizing and curing the polyester acrylate in the liquid crystal prepolymer mixture 31 as described above. Instead, prior to the application of the liquid crystal prepolymer mixture 31, a known printing, lithography, exposure and development of the resist, etc., should be performed in advance. It may be formed by In this case, the step (5) is unnecessary.
- the support member 22 when the thickness of the liquid crystal layer 24 is kept constant by another spacer or the like, the support member 22 must be formed as described above. You do not have to form them.
- an amine-based activator is applied to the surface of the liquid crystal prepolymer mixture 31.
- a substance that promotes the polymerization of the prepolymer may be brought into contact with the material to form a resin film.
- the inner resin film 23b is formed. In this case, it is not necessary to perform the exposure using polarized light.
- a transmissive TN type liquid crystal display device is formed.
- the present invention is not limited to this.
- a metal aluminum filter is formed on the color mosaic filter 29 as a counter electrode.
- a reflective film 41 containing um as a main component for example, aluminum is 98%, silicon is 2%) and has a film thickness of about ⁇ ⁇ ⁇ is formed by vapor deposition.
- a reflection type liquid crystal display device of a reflection type can be configured.
- reflective type In order to construct a TN type liquid crystal display device, a reflective film may be used as the pixel electrode 26, or a reflective film may be formed on the outer side of the glass substrate 21. No.
- the pixel electrode 42 and the common electrode are placed on the glass substrate 21.
- a counter electrode 43 may be provided to form a transmission-type in-plane switching (IPS) liquid crystal display device.
- IPS transmission-type in-plane switching
- the orientation of the liquid crystal molecules is controlled by the electric field formed between the pixel electrode 42 and the common electrode 43, the resin film is formed as described above.
- a transparent electrode 44 with a sheet resistance of about 100 to 50 ohms / mouth similar to the counter electrode 28 is used. If the film is formed on the mosaicing filter 29 or the resin film 23 by vapor deposition or the like, the orientation of the liquid crystal molecules can be controlled even if the resin film 23 is thin. An IPS-type liquid crystal display device that is not easily affected and has excellent alignment stability can be obtained.
- a reflection type IPS type liquid crystal display device can be obtained. Can be configured.
- Embodiments 1-1 to 1-14 an example of a liquid crystal display device driven by a TFT has been described.
- An image signal line is provided on both sides of the liquid crystal layer 24, that is, on the glass substrate 21 and the resin film 23, and a liquid crystal display driven by a simple matrix is provided.
- the device may be configured.
- a monochromatic liquid crystal display device may be configured without the color mosaic filter 29.
- a liquid crystal device that is applied to blind glasses that have a dimming function, liquid crystal shutters, etc., in which the orientation of the liquid crystal is uniformly controlled over the entire surface of the substrate This is explained.
- This liquid crystal device has a pair of glass substrates 21 and 6 as shown in FIG.
- control electrode 62 extending over the entire surface of the glass substrate 21 and the alignment film 2.
- a liquid crystal layer 24, a resin film 23 formed in the same manner as in Embodiment 1-1, and a counter electrode 28 are provided.
- the support member 22 as in the first embodiment is not provided, the seal is provided on the glass substrate 21, 61 around the unillustrated peripheral portion. The liquid crystal is sealed by the glass member, and the distance between the glass substrates 21 and 61 is kept constant.
- the entire surface of the glass substrate 21 is made of an IT film.
- the control electrode 62 is formed.
- An alignment film 27 is formed in the same manner as in (2) of Embodiment 1-1.
- the liquid crystal prepolymer is a first light having a wavelength of 254 nm and an intensity of 0.5 mW / cm 2.
- the mixed solution 31 is exposed to about 300 mJ / cm 2 to form a protective resin film 23a.
- the liquid crystal prepolymer is a third light having a wavelength of 313 nm and an intensity of 0.5 mW / cm 2.
- the mixture 31 is exposed to about 1000 mJ / cm2 to form the inner resin film 23b and to remain in the liquid crystal prepolymer 31.
- a liquid crystal layer 24 is formed by the liquid crystal thus obtained. Since the liquid crystal layer 24 can be formed without injecting the liquid crystal in this way, a liquid crystal device having a large area such as a blind glass can be obtained. Any of these can be easily manufactured.
- the counter electrode 28 is formed in the same manner as in (7) of the embodiment 1-1.
- the support member 22 may be provided in the same manner as in Embodiment 11. In this case, it is easy to keep the thickness of the liquid crystal layer 24 constant without providing the glass substrate 61.
- a protective film or a resin substrate may be provided in place of the glass substrate 61, or the resin film 23 may be formed to a thickness having sufficient strength and rigidity.
- a control electrode 62 and a counter electrode 28 are provided. There is no need to do this.
- Embodiment 2-1 of the present invention will be described with reference to FIGS. 9 to 14.
- FIG. 9 is a diagrammatic representation of Embodiment 2-1 of the present invention.
- Embodiment 2-1 of the present invention relates to a transmission type twisted resin using a resin / liquid crystal forming body, which is driven by a thin film transistor (TFT).
- TFT thin film transistor
- An example of a nematic (TN) liquid crystal display device will be described.
- this liquid crystal display device has a substrate-side resin film 127, a partition-like support member 122, and a support member 122 on a glass substrate 121. 2 is provided with a film-shaped opposed resin film 123 having a film thickness of about 1.6 / m supported by the substrate-side resin film 127 and the opposed resin film. A liquid crystal layer 124 in which liquid crystal is sealed is formed between layers 123.
- a pixel electrode 12 6 made of a thin film transistor (TFT) 12 5 and a transparent conductive film of indium tin oxide (ITO) is provided on the glass substrate 12 1.
- TFT thin film transistor
- ITO indium tin oxide
- an opposing electrode 128 made of a transparent conductive film of ITO having a sheet resistance of 100 to 50 ohms / port, and a red ( A color mosaic filter 12-29 composed of a small group of R) green (G) blue (B) filters is provided.
- polarizers 130 and 130 are provided on the outer side of the glass substrate 121 and the color filter 121, respectively. ing .
- the support member 122, the opposing resin film 123, the liquid crystal layer 124, and the substrate-side resin film (second resin film) 127 are integrally formed to form a resin / liquid crystal forming body.
- the support member 122, the opposing resin film 123, and the substrate-side resin film 127 are composed of a photosensitive polymer that is a photosensitive prepolymer. The polymer or polymer is polymerized and cured by the irradiation of ultraviolet light to be integrally formed.
- the opposing resin film 123 is exposed to ultraviolet light.
- the first resin film 123 b and the substrate-side resin film 127 have an orientation, and the first resin film 123 b and the substrate-side resin A TN type liquid crystal display device in which liquid crystal molecules are twisted by 90 ° with the oil film 127 is formed.
- a thin-film transistor 125 and a pixel electrode 126 are formed on a glass substrate 121.
- the liquid crystal prepolymer mixture 13 1 is applied to the glass substrate 12 1 by using a spinner on the surface of the glass substrate 12 1 to about 6 / zm. Apply to the film thickness.
- the liquid crystal prepolymer mixture 13 1 is specifically composed of a photopolymerizable monomer or oligomer, which is a light-sensitive prepolymer, and a photopolymerizable polymer. It is a mixture of a polymerization initiator or a sensitizer that enhances the reactivity of a reactive monomer or oligomer, and a nematic liquid crystal. . More specifically, for example,
- the materials and mixing ratios of the liquid crystal prepolymer mixture 13 1 are not limited to those described above.
- the mixing ratio of the polyfunctional polyester clear may be set according to the film thickness of the opposing resin film 123 and the substrate-side resin film 127, etc. You should.
- a homogeneous mixture may be used, even if the liquid crystal does not necessarily have to be dispersed in the mixture.
- the liquid crystal prepolymer-mixture 1331 exhibits a visible-ultraviolet spectral absorption characteristic (absorption characteristic) as shown in FIG. 14, for example.
- the liquid crystal prepolymer-mixture 13 1 has an absorption region where the absorbance is extremely large for light having a wavelength of about 300 nm or less.
- solid lines and broken lines indicate the light absorption characteristics before and after polymerization, respectively.
- the wavelength is 254 nm and the intensity is 5 m over the entire surface of the liquid crystal prepolymer mixture 13 1.
- the first light of W / cm 2 was exposed to about 300 mJ / cm 2, and the liquid crystal pre-polymer mixture was exposed near the surface of the liquid crystal pre-polymer mixture 13 1.
- the polyester resin in 13 1 is polymerized and hardened to form a protective resin film 123 a having a thickness of 1.5 ⁇ m.
- the wavelength of the first light (254 nm) is determined by the absorption region (length of the absorption region) in the light absorption characteristics of the polyfunctional polyester acrylate-based material. (Short wavelength side from the wavelength side end). Therefore, the first light does not substantially pass through the liquid crystal prepolymer-mixture 131, but is absorbed near the surface thereof. In addition, since the first light has a very low intensity (under the condition of reciprocity failure), the liquid crystal prepolymer is near the surface of the liquid mixture 131, and the liquid crystal preform is near.
- the polyester acrylate in the polymer mixture 1 3 1 is phase-separated and selectively polymerized and cured, and as described above, the protective resin film 1 23 a is formed. It is formed .
- a photo mask 15 1 having a grid-shaped gap 15 1a of about 5 ⁇ m corresponding to the position where the support member 122 is to be formed is attached.
- the liquid crystal prepolymer is mixed with the protective resin film 1 23a of the liquid mixture 131, and aligned, pressed and crimped.
- the second light having a wavelength of 365 nm and a sufficiently large intensity under the condition of reciprocity.
- a support member 122 is formed at the position of the gap 15a on the photomask 151.
- the wavelength of the second light (365 nm) is considered to be due to the absorption characteristics of the polymerization initiator (2,2-dimethoxy-1,2-diphenylethane). Is located in the longer wavelength region than the absorption peak wavelength (335 nm), and the second light passes through the liquid crystal prepolymer mixture 131, so that the liquid crystal
- the polyester acrylate in the mixture 1 3 1 extends from the protective resin film 1 2 3 a to the substrate 1 2 1 over the thickness direction. Polymerization and curing occur until this time. As a result, a partition-like support member 122 formed by polymerizing and curing the polyester acrylate is formed. Further, since the second light uses strong light, the above polymerization is performed in a relatively short time. When the polymerization is carried out in such a short time, the liquid crystal in the liquid crystal prepolymer-mixture 13 1 is kept dispersed in the support member 122. It does not affect the display operation of the liquid crystal display device, in particular.
- a columnar support member may be formed by using a photomask.
- the wavelength is 313 nm and the intensity is increased from the glass substrate 121 side via the polarizing plate 152.
- 0.5 m Exposure of about 500 mJ / cm2 is performed with a third light of W / cm2, and a thickness of about 0.2 m is formed on the protective resin film 123a side of the glass substrate 121.
- a substrate-side resin film 127 is formed.
- the wavelength is spread over the entire surface of the liquid crystal prepolymer mixture through the polarizing plate 15 2 ′. 3 13 nm, a third light having an intensity of 0.5 mW / cm 2 was exposed to about 800 mJ / cm 2 to obtain a glass substrate 12 having a protective resin film 12 3 a.
- a first resin film 123 b having a thickness of about 0.1 m is formed, and the liquid crystal remaining in the liquid crystal prepolymer mixed liquid is formed.
- a liquid crystal layer 124 is formed.
- the third light wavelength (313 nm) is determined by the absorption peak wavelength in the light absorption characteristics of the polymerization initiator and the light absorption characteristics of the polystyrene acrylate-based photopolymerizable substance.
- the third light is located between the long wavelength side end of the absorption region and the protective resin film 123a (polymerized and cured polystyrene acrylate) or glass.
- the liquid crystal prepolymer mixture 1 3 1 (unhardened polystyrene clear) is relatively well-transmitted through the substrate 121 relatively well. Since it has the property of not transmitting, it is absorbed near the surface of the liquid crystal prepolymer-mixture 13 1.
- the liquid crystal prepolymer mixture 1 13 1 The polyacrylate is phase-separated and polymerized and hardened near the lower surface of the protective resin film 123a to form the first resin film 123b as described above. It is. Similarly, a resin film 127 on the substrate side is formed on the liquid crystal layer 124 side of the glass substrate 121.
- the liquid crystal layer 124 is formed by the fact that all of the polyester acrylate in the liquid crystal prepolymer mixture 131 is polymerized and cured. A relatively pure liquid crystal is sealed between the resin film 123 b and the substrate-side resin film 127.
- the molecules of the polyester acrylate are directional. Therefore, the first resin film 1 2 3 b and the substrate-side resin film 1 2 7 use the polarizing plates 15 2 and 15 2 ′ to polarize the liquid crystal molecules near the surface. It has a function as an alignment film for orienting in the opposite direction.
- the first resin film can be formed by setting the polarizing directions of the polarizing plates 152 and 152 'to 90 °, for example.
- a TN type liquid crystal cell structure in which the orientation of liquid crystal molecules is twisted by 90 ° is formed between 123 b and the substrate-side resin film 127. Note that the steps (5) and (6) can be performed in the reverse order.
- the entire surface of the liquid crystal prepolymer mixture has a wavelength of 313 nm and an intensity of 0.5 mW / cm 2. Exposure of about 500 mJ / cm 2 with the light of No.
- the first resin film 123 b when a preprimator that increases the transmittance of light having a predetermined wavelength after polymerization and curing is used, the first resin film 123 b is not used. Although the formation can be performed particularly efficiently, even when a material whose transmittance does not change much before and after the polymerization is used, there is a third light as described above. By irradiating light having a wavelength that can pass through the protective resin film 123 a to a certain extent, the first resin film 123 b can be formed in the same manner. .
- a transparent conductive film of ITO (sheet resistance 100 to 50 ohm / port) is formed on the opposite resin film 123. Evaporation Thus, a counter electrode 128 is formed, and further, a red-green-blue color mosaic filter 128 is formed on the counter electrode 128 by a known method. . Note that a color filter 12 9 is formed on the opposing resin film 12 3, and a counter electrode 12 8 is formed on the color filter 12 9 You can do it.
- the above-mentioned color filter 122 is formed on a glass substrate 121 in advance, and then the liquid crystal pre-filter is formed. It is also possible to apply the mixture 1 3 1.
- the polarizers 13 0 and 13 0 are provided on the outer side of the glass substrate 12 1 and the color mosaic filter 12 9. As a result, the liquid crystal display device shown in FIG. 9 is obtained.
- the protective resin film 1 23 a as described above does not have to be formed, but by forming this, the protective resin film 1 23 a
- the glass substrate 1 2 1 protects the liquid crystal prepolymer mixture 1 3 1, so that, for example, the photo mask and the polarizing plate can be protected by a protective resin film 1 2 Exposure can be performed by superimposing on 3a, and at this time, there will be no unevenness on the surface of the liquid crystal prepolymer mixture. .
- both the first resin film 123 b and the substrate-side resin film 127 are polymerized and cured by polarized light exposure so that the molecules are directional. It is not necessary that they are formed, but if both have an orientation function, the orientation stability of the liquid crystal molecules will increase.
- a chiral agent is added to the liquid crystal prepolymer mixture, and the liquid crystal and the chiral agent are applied to the opposite resin film 123 and the substrate-side resin film 1 by performing the above steps. It is also possible to form an axially symmetric alignment mode (ASM) liquid crystal in which the liquid crystal is axially symmetrically aligned for each dot of one pixel by sealing between 27 pixels.
- ASM axially symmetric alignment mode
- liquid crystals have a positive dielectric anisotropy (they are arranged so as to be parallel to the direction of the electric field when an electric field is applied), or have a negative dielectric anisotropy. (Den When a field is applied, it is orthogonal to the direction of the electric field).
- the counter resin film 123 may be formed, but usually, the counter resin film is formed first as described above. In this case, the unevenness of the opposing resin film can be reduced to a small extent. If the above steps (3) and (4) are performed in the reverse order, the masking of the step (4) is performed by a proxy exposure or a projection exposure. It is necessary .
- the support member 122 is formed by polymerizing and curing the polyester acrylate in the liquid crystal prepolymer mixture 131 as described above.
- the known printing, lithography, exposure and development of the resist should be performed in advance. It may be formed by any means. In this case, the step (4) is of course unnecessary.
- the supporting member 1 when the thickness of the liquid crystal layer 124 is kept constant by another spacer or the like, the supporting member 1 must be formed as described above. It is not necessary to form 2 2.
- a protective resin film may be formed by contacting a substance that promotes the polymerization of the preprimomer.
- Embodiment 2-1 an example is shown in which a transmissive TN-type liquid crystal display device is configured.
- the present invention is not limited to this, and for example, as shown in FIG.
- the counter electrode is formed on the color mosaic filter 12 9 as a counter electrode.
- Metal Al A reflective film 1441 with a thickness of about 1 m, consisting mainly of aluminum (for example, 98% for aluminum and 2% for silicon), is deposited. By forming, a reflection type TN type liquid crystal display device can be obtained.
- a reflective film may be formed on the outer side of the glass substrate 121.
- a pixel electrode 142 and a common electrode (counter electrode) 144 are provided on a glass substrate 121 to form a transmissive in-plane.
- a switching (IPS) type liquid crystal display device may be configured.
- the first resin film 123 b it is not necessary that the first resin film 123 b has the alignment function by the exposure to polarized light, but if the alignment function is provided, the first resin film 123 b may have an alignment function. The orientation stability is improved.
- the opposing resin film 1 23 since the alignment of the liquid crystal molecules is controlled by the electric field formed between the pixel electrode 142 and the common electrode 143, as described above, the opposing resin film 1 23 Although it is not necessary to provide a counter electrode on the surface of the transparent electrode, a transparent electrode 144 having a sheet resistance of about 100 to 50 ohms / port, similar to the counter electrode, is used as a color monitor. If formed on the filter 12 9 or the opposing resin film 12 3 by vapor deposition or the like, even if the opposing resin film 123 is thin, the orientation of the liquid crystal molecules will be static electricity. Thus, an IPS-type liquid crystal display device that is not easily affected and has excellent alignment stability can be obtained.
- a reflective film 1441 similar to that in the embodiment 2-2, can be provided as shown in FIG. 17. . This makes it possible to configure a reflection type IPS type liquid crystal display device.
- the TFT is used.
- a liquid crystal display device driven by a liquid crystal display has been described, the present invention is not limited to this, and scanning signal lines and image signal lines are provided on both sides of a liquid crystal layer 124, that is, on a glass substrate 12.
- a liquid crystal display device driven by simple matrix may be provided on the upper surface 1 and the upper surface of the opposing resin film 123.
- a monochromatic liquid crystal display device may be configured without providing the color mosaic filter 1229.
- blind glass Utilizing a resin / liquid crystal forming body, the alignment of liquid crystal is controlled uniformly, and a blind glass with a dimming function or a liquid crystal shutter (hereinafter referred to as “blind glass”) is used. Las ”).
- the blind glass is provided between the pair of glass substrates 12 1 and 16 1, and extends over the entire surface of the glass substrate 121.
- an opposing resin film 123 and an opposing electrode 128 are provided.
- the support member 122 as in Embodiment 2-1 is not provided, the peripheral portions (not shown) of the glass substrates 12 1 and 16 1 are not provided.
- the liquid crystal is sealed by the seal member, and the distance between the glass substrates 121 and 161 is kept constant.
- the entire surface of the glass substrate 121 is formed of an ITO film.
- the control electrodes 16 2 are formed.
- the liquid crystal pre- Exposure is performed for about 300 mJ / cm 2 with the first light having a wavelength of 254 nm and an intensity of 5 mW / cm 2 over the entire surface of the mixture 13,
- the polyester acrylate in the liquid crystal prepolymer mixture 1311 is polymerized and cured.
- Protective resin film 1 2 3a is formed.
- the wavelength from the glass substrate 121 side is 313 nm and the intensity is 0.5 mW / cm 2. Exposure of about 500 mJ / cm 2 is performed with the light of 3 to form a substrate-side resin film 127 on the glass substrate 121.
- a liquid crystal prepolymer single mixture 13 1 was prepared with a wavelength of 313 nm and an intensity of 0.5 mW / cm. Exposure of about 800 mJ / cm 2 with the third light of No. 2 to form the first resin film 123 b on the glass substrate 122 side of the protective resin film 123 a At the same time, the liquid crystal layer 124 is formed by the liquid crystal remaining in the liquid crystal prepolymer-mixture 13 1. In this way, since the liquid crystal layer 124 can be formed without injecting the liquid crystal, a large area such as a blind glass can be formed. Can be easily manufactured. (16) The counter electrode 128 is formed in the same manner as in (7) of the embodiment 2-1.
- the support members 122 may be provided in the same manner as in the second embodiment.
- the thickness of the liquid crystal layer 124 can be easily kept constant without providing the glass substrate 161.
- a protective film or a resin substrate may be provided instead of the glass substrate 161, or the opposing resin film 123 may be formed to a thickness having sufficient strength and rigidity. It is also good.
- control electrode 162 and the counter electrode 128 are used. It is not necessary to provide
- the liquid crystal display device is formed on a glass substrate 22 1, a substrate-side resin film 22 7, a partition-shaped support member 22, and a support member 22 2.
- a film-shaped opposed resin film 223 having a supported film thickness of about 1.6 m is provided, and the substrate-side resin film 222 and the opposed resin film 222 are provided.
- a pixel electrode 222 made of a thin-film transistor 222 (TFT) and a transparent conductive film of indium tin oxide (ITO) is provided. It is formed.
- TFT thin-film transistor 222
- ITO indium tin oxide
- a counter electrode 228 made of a transparent conductive film of ITO having a sheet resistance of 100 to 50 ohm / port is provided on the counter resin film 223.
- the first display layer 2 is formed by the above-mentioned counter electrode 228, the above-mentioned first liquid crystal layer 224, the support member 222, the substrate-side resin film 227, and the counter resin film 223. 3 7 are configured.
- the first display layer 237 is substantially the same as the first display layer 237 on the first display layer 237.
- the second display layer 238 and the third display layer 239 are provided.
- the difference between the second display layer 238 and the first display layer 237 is that the dichroic dye in the second liquid crystal layer 233 is a magenta perylene dye.
- the difference between the third display layer 239 and the first display layer 237 is that the dichroic dyes in the third liquid crystal layer 234 are replaced by cyan cyan ink. This is a non-pigmented dye.
- polarizers 230 and 230 are provided on the outer side of the counter electrode 236 constituting the third display layer 239 and the glass substrate 221. ing .
- the support member 222, the opposing resin film 222, the first liquid crystal layer 222, and the substrate-side resin film (second resin film) 222 are integrally formed to form a resin liquid crystal.
- the supporting member 22 2, the facing resin film 22 3, and the substrate-side resin film 22 27 are a photopolymerizable mono-layer which is a photosensitive prepolymer.
- the mer or oligomer is polymerized and cured by irradiation with ultraviolet light to be integrally formed.
- the opposite resin film 223 is formed of a protective resin film 223 a formed by irradiation with ultraviolet rays, and a protective resin film 223 formed after the formation of the protective resin film 223 a. It is composed of a first resin film 223b formed by irradiating ultraviolet rays via 223a.
- the first resin film 22 3 b and the substrate-side resin film 22 7 have an orientation so that the first resin film 22 3 b and the substrate-side resin A TN type guest host liquid crystal display device in which liquid crystal molecules are twisted by 90 ° with the oil film 227 is formed.
- a method for manufacturing the liquid crystal display device will be described.
- a thin film transistor 22 and a pixel electrode 22 are formed on a glass substrate 22 1.
- a liquid crystal prepolymer mixture 331 is applied to the surface of the glass substrate 221 using a spinner for about 6 ⁇ m. Apply to a film thickness of.
- the liquid crystal prepolymer mixture 231, specifically, is composed of a photopolymerizable monomer or oligomer, which is a photosensitive prepolymer, and a photopolymerizable polymer.
- the materials and the mixing ratio of the liquid crystal prepolymer-mixture 23 1 are not limited to those described above.
- the mixing ratio of the polyfunctional polyester clear may be set according to the thickness of the opposing resin film 223 and the substrate-side resin film 227 to be formed. You should.
- the liquid crystal prepolymer mixture 23 1 exhibits visible-ultraviolet spectroscopic absorption characteristics (absorption characteristics) as shown in FIG. 24, for example.
- Fig. 24 shows the visible-ultraviolet spectroscopic absorption characteristics of the liquid crystal blender mixture excluding the dichroic dye.
- the liquid crystal blender mixture 2 3 It has an absorption region where the absorbance is extremely large for light with a wavelength of less than 100 nm.
- solid lines and broken lines indicate the light absorption characteristics before and after polymerization, respectively.
- the wavelength is 254 nm and the intensity is 5 m over the entire surface of the liquid crystal blepolymer mixture 23 1.
- the first light of W / cm 2 is exposed to about 300 mJ / cm 2 to obtain a liquid crystal prepolymer mixture near the surface of the liquid crystal prepolymer mixture 31.
- the polyester resin in 23 1 is polymerized to form a protective resin film 22 3 a having a thickness of 1.5 ⁇ m.
- the wavelength of the first light (254 nm) is determined by the absorption region (length of the absorption region) in the light absorption characteristics of the polyfunctional polyester acrylate-based substance. (Short wavelength side from the wavelength side end). Therefore, the first light does not substantially pass through the liquid crystal prepolymer mixture 231, and is absorbed near the surface thereof. In addition, since the first light has an extremely low intensity (under the condition of reciprocity failure), the liquid crystal pre-mixer 231, near the surface of the liquid crystal pre-polymer mixture, has a very low intensity.
- the polymer acrylate in the polymer mixture 231 is phase-separated and selectively polymerized and cured to form the protective resin film 223 a as described above. It is.
- a photomask 251 having a grid-like gap 25a of about 5 ⁇ m, corresponding to the position where the support member 222 is formed, is
- the liquid crystal prepolymer is mixed on the protective resin film 23a of the liquid mixture of the liquid crystal prepolymer 231, and is aligned and crimped.
- the second light having a wavelength of 365 nm and a sufficiently large intensity under the condition of reciprocity.
- a support member 22 is formed at the position of the gap 25la of the photo mask 251.
- the wavelength of the second light (365 nm) is determined by the absorption characteristics of the polymerization initiator (2,2—dimethoxy1,2—diphenylethane). It is located in the longer wavelength region than the absorption peak wavelength (335 nm) of the liquid crystal, and the second light passes through the liquid crystal prepolymer mixture 231, so that the liquid crystal
- the polyester acrylate in the polymer mixture 2 3 1, that is, the protective resin film 2 2 3 Polymerization and curing occur up to the glass substrate 22.
- a partition-shaped support member 222 is formed, which is obtained by curing the polystyrene concrete by polymerization. Further, since the second light uses strong light, the polymerization is performed in a relatively short time.
- the liquid crystal in the liquid crystal prepolymer mixed solution 2 31 and the azo′-based yellow dye are contained in the support member 222. Is maintained in a dispersed state, but does not particularly affect the display operation of the liquid crystal display device.
- a columnar support member may be formed using a photomask.
- the wavelength is 313 nm and the intensity is increased from the side of the glass substrate 22 1 through the polarizing plate 25 2. Exposure of about 500 mJ / cm 2 is performed with a third light of 0.5 mW / cm 2, and a film thickness of about 0 A resin film 222 on the substrate side is formed.
- the wavelength is 3 over the entire surface of the liquid crystal prepolymer mixture via the polarizing plate 25 2 ′. Exposure to about 800 mJ / cm 2 with a third light of 13 nm and an intensity of 0.5 mW / cm 2, and the protective resin film 22 3 a side of the glass substrate 22 1 Then, a first resin film 222 b having a thickness of about 0.1 ⁇ m is formed, and a liquid crystal display is formed. The first liquid crystal layer 224 is formed by the liquid crystal and the azo-based yellow dye remaining in the W polymer mixture.
- the steps (5) and (6) can be performed in the reverse order.
- the entire surface of the liquid crystal prepolymer mixture has a wavelength of 313 nm and an intensity of 0.5 mW / cm 2.
- Exposure of about 500 mJ / cm 2 with the light of No. 3 is performed, and the first resin having a thickness of about 0.1 ⁇ m A film 223b is formed, and thereafter, the wavelength is 313 nm and the intensity is 0.5 mW / cm from the glass substrate 221 side via the polarizing plate 252.
- Exposure of about 800 mJ / cm 2 is performed with the third light of Step No. 2 so that the glass substrate 22 1 has a film thickness of about 0.2 / _im
- a resin film 227 can be formed.
- the third light wavelength (313 nm) is determined by the absorption peak wavelength in the light absorption characteristics of the polymerization initiator and the light absorption of the above polystyrene clear type photopolymerizable substance.
- the third light is located between the long wavelength side end of the absorption region in the characteristic, and the third light is formed by the protective resin film 22 a (polymerized cured polyacrylate).
- Liquid crystal prepolymer mixture 2 3 1 Polyyester create of unhardened sill
- penetrating through glass substrate 22 1 relatively well Is absorbed by the liquid crystal prepolymer-mixture 231, near the surface, because it has the property of not transmitting much.
- the liquid crystal blepolymer is used in the liquid mixture 2 3 1
- the polyacrylate is phase-separated and polymerized and hardened near the lower surface of the protective resin film 22 a to form the first resin film 22 b as described above. It is done.
- a substrate-side resin film 227 is formed on the first liquid crystal layer 224 side of the glass substrate 221, and the first liquid crystal layer 224 is Since all the polyester acrylates in the liquid crystal prepolymer mixture 231 are polymerized, the Between the first resin film 222b and the substrate-side resin film 222, the liquid crystal and the azo-based yellow dye having relatively high purity are sealed.
- the first resin film 22 3 b and the substrate-side resin film 22 7 use the polarizers 25 2 and 25 2 ′ to convert the liquid crystal molecules near the surface. It has a function as an alignment film to be oriented in the direction. Therefore, the first resin film is formed by setting the polarization directions of the polarizing plate 25 2 and the polarizing plate 25 2 ′ at an angle of 90 °, for example. Between 223b and the substrate-side resin film 227, a TN type guest host liquid crystal cell structure in which the orientation direction of liquid crystal molecules is twisted by 90 ° is formed.
- the first resin film 22 3 b when a prepolymer that increases the transmittance of light having a predetermined wavelength after polymerization and curing is used, the first resin film 22 3 b Although it is possible to perform the formation of the light in a particularly efficient manner, even when a material whose transmittance does not change much before and after the polymerization is used, the above-mentioned third light can be used as the third light. By irradiating light having a wavelength that can be transmitted through the protective resin film 223 a to a certain degree, the first resin film 223 b can be similarly formed. .
- a transparent conductive film of ITO (sheet resistance 100 to 50 ohm / port) is formed on the opposite resin film 22 3.
- the opposite electrode 228 was formed by vapor deposition to form a first display layer 237 (a yellow layer made of an azo yellow dye).
- the protective resin film 223 a as described above may not necessarily be formed, but by forming this, the protective resin film 223 a Since the liquid crystal prepolymer mixture 2 31 is protected by the glass substrate 2 21, for example, the photo mask or the polarizing plate may be protected by the protective resin film 2. Exposure can be performed by superimposing on a liquid crystal prepolymer. 1 There are no irregularities on the surface.
- the first resin film 222 b and the substrate-side resin film 222 are polymerized hardly via a polarizing plate so that the molecules are directional. It does not need to be formed as a whole. However, if the molecules of the first resin film 222 and the substrate-side resin film 222 are directional, the liquid crystal molecules in the liquid crystal layer will not be applied. In this case, the liquid crystal molecules are oriented in a predetermined direction, and the dichroic dye contained in the liquid crystal layer is arranged in parallel with the liquid crystal molecules. Thus, by applying an electric field or the like, the orientation of the liquid crystal molecules in the liquid crystal layer is controlled, so that the orientation of the dichroic dye is easily controlled, and the contrast is improved. You
- the opposite resin film 222 may be formed, but usually, the opposite resin film is first formed as described above. By forming it, the unevenness of the opposing resin film can be suppressed to a small extent. If the above steps (3) and (4) are performed in the reverse order, the mask alignment of the step (4) is performed by proxy exposure or projection exposure. It is necessary .
- the support member 222 is formed by polymerizing and curing the polyester acrylate in the liquid crystal prepolymer mixture 231 as described above.
- the known printing, lithography, exposure of the resist, and It may be formed by development or the like. In this case, the step (4) is of course unnecessary.
- the supporting member when the thickness of the first liquid crystal layer 222 is kept constant by another spacer or the like, the supporting member must be formed as described above. It is not necessary to form 2 2 2.
- the surface of the liquid crystal prepolymer mixture 231 may be contacted with a substance that promotes the polymerization of the preprimomer, such as an amide-based activator, to form a protective resin film. May be formed.
- a substance that promotes the polymerization of the preprimomer such as an amide-based activator
- the second display layer is formed on the first display layer 2337.
- the display layer 238 and the third display layer 239 are laminated.
- the second display layer 238 uses a magenta-colored perylene dye as a dichroic dye
- the third display layer 239 has a dichroic dye.
- An anthraquinone-based dye is used.
- the polarizers 230 and 230 are provided on the outermost surface of the counter electrode 236 on the outermost surface and the glass substrate 21, as shown in FIG. As a result, a guest-host type transmissive liquid crystal display device as shown in the figure can be obtained.
- the contact allows the contact between the opposing resin film 24 2 and the switching element on the substrate via the support members 22 2 and 24 4 from the surface side of the opposing resin film 24 2.
- Form a hall the above-mentioned contact hole is filled with a conductive paste or the like, and according to the process (7), ITO is formed on the opposing resin film 242 in a non-contact manner.
- An opposing electrode 235 is formed by evaporating a transparent conductive film, and the opposing electrode 235 is connected to a switching element formed on the substrate via a conductive paste. .
- the second display layer 2308 when forming the second display layer 238, a polyimide resin or the like is applied on the counter electrode 228 constituting the first display layer 237 in advance. After drying, a rubbing treatment is performed to form an alignment film, and then the above steps (2) to (7) can be performed. In this case, the substrate-side resin film 245 constituting the second display layer 238 does not need to be polymerized and cured by exposure, and the step (5) is unnecessary. .
- the third display layer W the third display layer W
- an alignment film is formed by applying a polyimide resin or the like on the counter electrode 235 constituting the second display layer 238. You can also.
- Embodiment 1 described above an example in which a guest host type transmissive liquid crystal display device is configured has been described.
- the present invention is not limited to this.
- metal aluminum was used as the main component as the opposing electrode (for example, 98% of aluminum, silicon was used as the main component). 2%) and a reflective film 241 having a film thickness of about l ⁇ m is formed by vapor deposition, whereby a guest-host type reflective liquid crystal display device can be obtained.
- a reflective film may be formed on the outer side of the glass substrate 22 1.
- Embodiments 3_1 and 3-2 examples of the liquid crystal display device driven by the TFT have been described.
- a scanning signal line is provided on the glass substrate, and an image signal line is provided on each of the opposing resin films constituting the first, second, and third display layers.
- a liquid crystal display device that is driven by a torque may be configured.
- the orientation of the liquid crystal is uniformly controlled over the entire surface of the substrate, and there is a blind glass that has a dimming function and a liquid crystal shutter (hereinafter referred to as a “blind glass”). This is described with reference to FIG. 26.
- the above-mentioned blind glass covers the entire surface of the glass substrate 22 1 between the pair of glass substrates 22 1 and 26 1.
- Control electrode 26 2 first liquid crystal layer (liquid crystal layer containing dichroic dye) 2 24, substrate-side resin film 22 formed in the same manner as in Embodiment 3-1 above 7, a facing resin film 222, and a facing electrode 222 are provided.
- the support member 222 as in Embodiment 1 is not provided, In the peripheral portions (not shown) of the glass substrates 22 1 and 26 1, when the liquid crystal layer containing the dichroic dye is sealed by the sealing material, In addition, the distance between the glass substrates 22 1 and 26 1 is kept constant.
- the entire surface of the glass substrate 22 1 is formed of an ITO film.
- a control electrode 262 is formed.
- liquid crystal prepolymer mixture 23 1 is applied using a spinner.
- the wavelength is 254 nm and the intensity is 5 over the entire surface of the liquid crystal prepolymer-mixture 23 1.
- the polyester resin in the mixed solution 23 1 is polymerized and cured to form a protective resin film 23 a.
- the wavelength from the glass substrate 221 side is 313 nm and the intensity is 0.5 mW / cm 2. Exposure of about 500 mJ / cm 2 is performed with the light of No. 3 to form a substrate-side resin film 2 27 on the glass substrate 22 1.
- the liquid crystal prepolymer mixture 31 is used with a wavelength power of 31 nm and an intensity of 0.5 mW / cm 2 Exposure is performed to about 800 mJ / cm 2 with the third light to form a first resin film 222 b on the glass substrate 222 side of the protective resin film 222 a.
- the first liquid crystal layer 222 is formed by the liquid crystal remaining in the liquid crystal prepolymer mixture 231 and the dichroic colorants.
- liquid crystal and dichroism Since the first liquid crystal layer 222 can be formed without injecting a dye, a large area such as a blind glass can be obtained. However, it can be easily manufactured.
- the counter electrode 228 is formed in the same manner as in (3) of the embodiment 3-1.
- the supporting member 22 may be provided as in the third embodiment.
- a protective film or a resin substrate may be provided instead of the glass substrate 261, or the opposing resin film 222 may be formed to a thickness having sufficient strength and rigidity. It is also good.
- control electrode 262 and the counter electrode 2 are used. There is no need to install 28.
- each subject of the present invention can be sufficiently achieved.
- the first invention group a mixture film containing a photosensitive prepolymer and a liquid crystal is exposed, and the photosensitive prepolymer in the mixture film is analyzed. The mixture is then allowed to polymerize and cure to form a resin film on the surface of the mixture film, and a photosensitive prepolymer is deposited and left between the substrate and the resin film.
- the liquid crystal layer can be formed without the necessity of the liquid crystal injection step, and the manufacturing process can be simplified. And the cost of manufacturing can be reduced. Also, since the liquid crystal is sealed between one substrate and the resin film, it is lighter in weight than a liquid crystal device or a liquid crystal display device in which liquid crystal is sealed between a pair of substrates. This has the effect of making it easy to achieve the conversion.
- the first resin film, the second resin film facing the first resin film, and the first and second resin films are disposed between the first resin film, the second resin film facing the first resin film, and the first and second resin films.
- the sealed liquid crystal layer and the resin / liquid crystal formed integrally with each other have a structure that is continuously in close contact with each other, and foreign matter such as dust is interposed between the constituent members. There is nothing to do. Further, the space in the resin / liquid crystal forming body is not wasted, and accordingly, it is possible to form the resin and the liquid crystal as thin as possible.
- the liquid crystal display device When the resin-liquid crystal forming body is applied to a liquid crystal display device, the liquid crystal display device forms a liquid crystal between a substrate-side resin film and a counter resin film formed on one substrate. Since the configuration is such that the layers are sealed, the weight can be reduced as compared with a liquid crystal display device in which a liquid crystal layer is sealed between a pair of substrates. Further, the mixture film containing the photosensitive prepolymer and the liquid crystal is exposed to light, and the photosensitive prepolymer in the mixture film is selectively polymerized and cured to form a mixture film. A first resin film is formed on the surface, a second resin film is formed on the substrate side of the mixture film, and a photosensitive plate is formed between the first resin film and the second resin film.
- the liquid crystal layer By forming the liquid crystal layer from the liquid crystal that remains after the polymer has been polymerized and cured, it is possible to form the liquid crystal layer without the necessity of a liquid crystal injection step. As a result, manufacturing efficiency can be improved.
- the first and second resin films by polymerizing and curing by exposure to polarized light, it is not necessary to perform a rubbing treatment. The manufacturing process can be simplified and the manufacturing cost can be reduced.
- a color filter is not necessary, a bright display can be achieved, and a liquid crystal display device which can be easily integrated is provided. Obtainable .
- the liquid crystal display device can be made thinner than before, the viewing angle characteristics are improved.
- the liquid crystal layer can be formed without the necessity of the liquid crystal injecting step, and the production efficiency can be improved.
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Materials For Photolithography (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99909245A EP1065553A4 (en) | 1998-03-19 | 1999-03-18 | BODY CONSISTING OF RESIN AND LIQUID CRYSTALS, LIQUID CRYSTAL DEVICE, LIQUID CRYSTAL DISPLAY HAVING THE SAME, AND METHODS OF MANUFACTURE |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7007098A JP3349946B2 (ja) | 1998-03-19 | 1998-03-19 | 液晶表示装置および液晶装置、並びにこれらの製造方法 |
JP10/70070 | 1998-03-19 | ||
JP06847799A JP3418353B2 (ja) | 1999-03-15 | 1999-03-15 | 樹脂・液晶形成体とこれを用いた液晶表示装置並びにこれらの製造方法 |
JP11/68477 | 1999-03-15 | ||
JP06955699A JP3418354B2 (ja) | 1999-03-16 | 1999-03-16 | 樹脂・液晶形成体とこれを用いた液晶表示装置並びにこれらの製造方法 |
JP11/69556 | 1999-03-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999047967A1 true WO1999047967A1 (fr) | 1999-09-23 |
Family
ID=27299758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1999/001374 WO1999047967A1 (fr) | 1998-03-19 | 1999-03-18 | Corps constitue de resine et de cristaux liquides, dispositif a cristaux liquides, affichage a cristaux liquides comportant ledit dispositif et procedes de fabrication |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1065553A4 (ja) |
KR (1) | KR100405126B1 (ja) |
CN (1) | CN1213327C (ja) |
WO (1) | WO1999047967A1 (ja) |
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WO2002042832A2 (en) * | 2000-12-14 | 2002-05-30 | Koninklijke Philips Electronics N.V. | Liquid crystal display laminate and method of manufacturing such |
KR100844305B1 (ko) | 2001-01-11 | 2008-07-07 | 사이픽스 이미징, 인코포레이티드 | 개선된 투과 또는 반사 액정표시장치 및 그 제조방법 |
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US8282762B2 (en) | 2001-01-11 | 2012-10-09 | Sipix Imaging, Inc. | Transmissive or reflective liquid crystal display and process for its manufacture |
TW527529B (en) | 2001-07-27 | 2003-04-11 | Sipix Imaging Inc | An improved electrophoretic display with color filters |
TW539928B (en) | 2001-08-20 | 2003-07-01 | Sipix Imaging Inc | An improved transflective electrophoretic display |
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TWI297089B (en) | 2002-11-25 | 2008-05-21 | Sipix Imaging Inc | A composition for the preparation of microcups used in a liquid crystal display, a liquid crystal display comprising two or more layers of microcup array and process for its manufacture |
US8023071B2 (en) | 2002-11-25 | 2011-09-20 | Sipix Imaging, Inc. | Transmissive or reflective liquid crystal display |
GB0330075D0 (en) * | 2003-12-27 | 2004-02-04 | Koninkl Philips Electronics Nv | Method for producing an electronic device and electronic device |
CN100353229C (zh) * | 2005-01-05 | 2007-12-05 | 友达光电股份有限公司 | 视角可调的液晶显示器 |
TW200720703A (en) | 2005-09-09 | 2007-06-01 | Koninkl Philips Electronics Nv | Lenticular device for an autostereoscopic display apparatus and method of producing the same |
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KR20140085772A (ko) | 2012-12-27 | 2014-07-08 | 삼성디스플레이 주식회사 | 액정 표시 장치 및 그 제조 방법 |
KR101408690B1 (ko) * | 2013-01-25 | 2014-06-17 | 동아대학교 산학협력단 | 투명 액정표시장치 |
KR101960827B1 (ko) * | 2013-05-03 | 2019-03-22 | 삼성디스플레이 주식회사 | 액정 조성물, 액정 표시 장치 및 액정 표시 장치 제조 방법 |
CN105785667B (zh) * | 2016-05-18 | 2019-02-01 | 深圳市华星光电技术有限公司 | 曲面液晶显示面板的制作方法及曲面液晶显示面板 |
JP7002850B2 (ja) | 2017-03-22 | 2022-02-04 | 株式会社東芝 | グラフェン配線構造の作製方法、配線構造の作製方法 |
CN107290895A (zh) * | 2017-08-15 | 2017-10-24 | 深圳市华星光电技术有限公司 | 金属线栅,柔性液晶显示面板及其制作方法 |
CN108693668A (zh) * | 2017-11-20 | 2018-10-23 | 山东蓝贝易书信息科技有限公司 | 宽温域、高对比度液晶膜写字板及制备方法 |
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- 1999-03-18 EP EP99909245A patent/EP1065553A4/en not_active Withdrawn
- 1999-03-18 CN CNB998041572A patent/CN1213327C/zh not_active Expired - Fee Related
- 1999-03-18 WO PCT/JP1999/001374 patent/WO1999047967A1/ja not_active Application Discontinuation
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002042832A2 (en) * | 2000-12-14 | 2002-05-30 | Koninklijke Philips Electronics N.V. | Liquid crystal display laminate and method of manufacturing such |
WO2002048783A2 (en) * | 2000-12-14 | 2002-06-20 | Koninklijke Philips Electronics N.V. | Stacked liquid cell |
WO2002042832A3 (en) * | 2000-12-14 | 2002-08-01 | Koninkl Philips Electronics Nv | Liquid crystal display laminate and method of manufacturing such |
WO2002048783A3 (en) * | 2000-12-14 | 2002-08-15 | Koninkl Philips Electronics Nv | Stacked liquid cell |
US6788360B2 (en) | 2000-12-14 | 2004-09-07 | Koninklijke Philips Electronics N.V. | Stacked liquid cell with liquid-polymer stratified phase separated composite |
US6818152B2 (en) * | 2000-12-14 | 2004-11-16 | Koninklijke Philips Electronics N.V. | Stratified phase-separated composite comprising a photo-polymerization dye |
US7123319B2 (en) | 2000-12-14 | 2006-10-17 | Koninklijke Philips Electronics N.V. | Liquid crystal display laminate and method of manufacturing such comprising a stratified-phase-separated composite |
KR100844305B1 (ko) | 2001-01-11 | 2008-07-07 | 사이픽스 이미징, 인코포레이티드 | 개선된 투과 또는 반사 액정표시장치 및 그 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
EP1065553A1 (en) | 2001-01-03 |
CN1213327C (zh) | 2005-08-03 |
EP1065553A4 (en) | 2005-03-09 |
KR100405126B1 (ko) | 2003-11-10 |
CN1293765A (zh) | 2001-05-02 |
KR20010034169A (ko) | 2001-04-25 |
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