WO2000077567A1 - Ecran a cristaux liquides et procede de fabrication correspondant - Google Patents
Ecran a cristaux liquides et procede de fabrication correspondant Download PDFInfo
- Publication number
- WO2000077567A1 WO2000077567A1 PCT/JP2000/003797 JP0003797W WO0077567A1 WO 2000077567 A1 WO2000077567 A1 WO 2000077567A1 JP 0003797 W JP0003797 W JP 0003797W WO 0077567 A1 WO0077567 A1 WO 0077567A1
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- WIPO (PCT)
- Prior art keywords
- liquid crystal
- anisotropic conductive
- conductive material
- crystal device
- sealing material
- Prior art date
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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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1339—Gaskets; Spacers; Sealing of cells
-
- 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
- G02F1/133354—Arrangements for aligning or assembling substrates
-
- 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
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13456—Cell terminals located on one side of the display only
Definitions
- the present invention relates to a liquid crystal device suitable for displaying an image such as a character, a numeral, or a picture by controlling the orientation of a liquid crystal sealed between a pair of substrates.
- the invention also relates to a method for manufacturing such a liquid crystal device.
- liquid crystal devices are equipped with lighting devices such as backlights,
- a pair of substrates on which electrodes are formed are bonded together with a seal portion sandwiched therebetween so that the electrodes face each other, and liquid crystal is sealed in a cell gap formed between the electrodes. It is formed by attaching a polarizing plate to the outer surface of those substrates.
- One of the pair of substrates is provided with a substrate overhang extending beyond the other substrate, and is electrically connected to an electrode formed on the inner surface of the substrate on the surface of the substrate overhang.
- a wiring terminal portion is provided. This wiring terminal has a liquid crystal drive
- the IC may be directly mounted, or a conductive connection member such as a flexible wiring board (FPC) conductively connected to the liquid crystal driving IC may be mounted.
- a conductive connection member such as a flexible wiring board (FPC) conductively connected to the liquid crystal driving IC may be mounted.
- FPC flexible wiring board
- a part of the sealing portion for sealing the liquid crystal is made of an anisotropic conductive material.
- anisotropic conductive material (anisotropic conductive material) (There is an anisotropic conductive material.
- the anisotropic conductive material is obtained by mixing conductive particles in a medium such as a resin.
- conductive particles such as particles, or particles obtained by coating the outer surface of synthetic resin particles with a conductive layer such as a plating film are used.
- the anisotropic conductive material forming a part of the seal portion is disposed opposite to the substrate having the substrate overhang portion. It is used to conductively connect an electrode formed on the other substrate on which it is placed and a wiring terminal formed on the substrate overhang.
- the sealing material and the anisotropic conductive material are respectively applied to the substrate surface by a printing method or the like.
- a sealing material is formed on the surface of one substrate, and an anisotropic conductive material is formed on the surface of the other substrate.
- the sealing material and the anisotropic conductive material are joined to each other to form an integrated sealing portion, and are arranged in a ring shape so as to surround the liquid crystal.
- the sealing part is required to be hermetically sealed to enclose the liquid crystal. Therefore, the end of the sealing material and the end of the anisotropic conductive material must be formed at positions exactly corresponding to each other.
- the sealing material on one substrate and the anisotropic conductive material on the other substrate are joined at the time of bonding the substrates, the sealing material and the anisotropic conductive material are used.
- poor sealing occurs due to the misalignment between the seal material and the anisotropic conductive material and the lack of the seal material or the anisotropic conductive material, or air bubbles are mixed inside and the seal strength is reduced. Or you may.
- the sealing portion in the joining region becomes wider, and the sealing portions are formed inside and outside. May protrude.
- a substrate breaking step to be performed later a plurality of liquid crystal panels are formed at a time by bonding large-format substrates (mother substrates) together).
- the present invention relates to a liquid crystal device having a seal portion in which a sealing material and an anisotropic conductive material are joined to each other as described above, wherein a position where the sealing material is formed, a position where the anisotropic conductive material is formed,
- the purpose of the present invention is to provide a structure and a manufacturing method that can easily confirm the positional relationship of each of them.
- the present invention provides a method for reducing the shape of a seal portion in a joint region between a seal material and an anisotropic conductive material, which is caused by a displacement between the seal material and the anisotropic conductive material, or a shortage or excess of the material.
- the purpose is to prevent it.
- the present invention is a liquid crystal device in which liquid crystal is sealed between a pair of substrates bonded by a seal portion, wherein the seal portion includes a liquid crystal in a state where a seal material and an anisotropic conductive material are bonded to each other. And at least one of the pair of substrates is provided with the sealing material or the different material at a position corresponding to the formation position of the sealing material or the anisotropic conductive material.
- This is a liquid crystal device provided with an alignment mark for use in positioning an isotropic conductive material.
- the alignment mark can be used to confirm the formation position of at least one of the sealing material and the anisotropic conductive material, the position can be confirmed very easily by visual inspection or the like.
- the alignment mark is provided so as to at least partially overlap a joining region between the sealing material and the anisotropic conductive material, or to be adjacent to the joining region.
- the alignment mark is formed so as to at least partially overlap the joining region between the sealing material and the anisotropic conductive material, or to be adjacent to the joining region.
- sealing material since the end portion of the anisotropic conductive material is arranged close to the sealing material, the positioning can be easily performed even when the sealing material or the anisotropic conductive material is formed. According to the positional relationship between the edge of the material and the alignment mark, the position can be confirmed very easily and accurately.
- the alignment mark is provided on both of the pair of substrates. Since the alignment marks are formed on both of the pair of substrates, accurate positioning can be performed on both the sealing material and the anisotropic conductive material, and the sealing material and the anisotropic conductive material can be accurately positioned. The formation position can be confirmed for both conductive materials.
- a joining region between the sealing material and the anisotropic conductive material has a width substantially equal to or smaller than other portions of the sealing material and the anisotropic conductive material. .
- the sealing material and the anisotropic conductive material overlap with each other in the joint area and come into close contact with each other, so that the width of the seal portion in the joining area is increased. Becomes wider. However, when the width of the seal portion is increased, the defect of the seal portion is likely to occur as described above.
- the seal material and the anisotropic conductive material are formed so that the material at the end to be joined between the seal material and the anisotropic conductive material is smaller than that of the other portions.
- the width of the seal portion may be substantially the same as the other portion or may be smaller than the other portion.
- the seal portion surrounds the liquid crystal in a state where a seal material and an anisotropic conductive material are bonded to each other. At least one of the pair of substrates is overlapped with at least a part of a bonding region between the sealing material and the anisotropic conductive material, or the bonding is performed such that An alignment mark formed so as to be adjacent to the region is provided.
- the alignment mark may be provided on both of the pair of substrates. Is preferred.
- the sealing portion is substantially the same as the other portions of the sealing material and the anisotropic conductive material or smaller than the other portions. It preferably has a width.
- a method of manufacturing a liquid crystal device in which liquid crystal is sealed between a pair of substrates bonded by a seal portion, wherein an alignment mark is formed on a surface of at least one of the pair of substrates. And, on the surface of one of the substrates, one of a sealing material and an anisotropic conductive material is arranged corresponding to a position where the alignment mark is formed, and on the surface of the other substrate, The other of the sealing material and the anisotropic conductive material is disposed, and the pair of substrates are attached to each other such that an end of the sealing material and an end of the anisotropic conductive film are bonded to each other.
- the sealing member and the anisotropic conductive material joined together constitute the sealing portion in a shape surrounding the liquid crystal.
- the alignment mark is formed so as to at least partially overlap a joining region between the sealing material and the anisotropic conductive material or to be adjacent to the joining region.
- At least one of the width and the length of the alignment mark is formed to substantially match at least one of the width and the length of the end of the sealing material or the anisotropic conductive material. Is preferred. If the width of the alignment mark is substantially equal to the width of the seal or anisotropic conductive material, or if the length of the alignment mark is substantially equal to the length of the seal or anisotropic conductive material Since the positional relationship between the alignment mark and the sealing material or the anisotropic conductive material can be more intuitively recognized in the width direction or the length direction, the sealing can be performed more quickly and more accurately. It becomes possible to confirm the formation position of the material or the anisotropic conductive material.
- the formation position of the anisotropic conductive material can be easily confirmed particularly by forming the alignment mark corresponding to the anisotropic conductive material. Furthermore, there is provided a method of manufacturing a liquid crystal device in which liquid crystal is sealed between a pair of substrates bonded by a seal portion, wherein an alignment mark is formed on a surface of at least one of the pair of substrates.
- one of a sealing material and an anisotropic conductive material is disposed on the surface of one of the substrates in correspondence with the formation position of the alignment mark, and on the surface of the other substrate,
- the other one of the sealing material and the anisotropic conductive material is disposed, and the end of at least one of the sealing material and the anisotropic conductive material to be joined to the other has a width or a width smaller than other portions.
- the pair of substrates are bonded to each other so as to form a thin wall, and the end of the sealing material and the end of the anisotropic conductive film are bonded to each other.
- the end portion of the sealing material or the anisotropic conductive material is formed to have a smaller width or a thinner thickness than other portions, thereby being anisotropic with the sealing material.
- the end portion of the sealing material or the anisotropic conductive material is formed to have a smaller width than other portions. This is preferable in that it can be easily realized in manufacturing, for example, it can be controlled.
- the width of the alignment mark is substantially equal to the width of an end of at least one of the sealing material and the anisotropic conductive material to be joined to the other.
- the width of the alignment mark substantially equal to the width of at least one end of the sealing material and the anisotropic conductive material. Since the positional relationship can be intuitively recognized in the width direction, the formation position of the sealing material or the anisotropic conductive material can be confirmed more quickly and more accurately.
- both the end of the sealing material and the end of the anisotropic conductive material to be joined to each other are formed to have a smaller width or a smaller thickness than other portions.
- Both the end of the sealing material to be formed and the end of the anisotropic conductive material are formed to have a narrow width or a thin wall, so that the width of the sealing portion is increased in a joining region between the sealing material and the anisotropic conductive material. Can be more effectively reduced.
- the seal portion surrounds the liquid crystal in a state where a seal material and an anisotropic conductive material are bonded to each other.
- the sealing portion is formed to have substantially the same width as the other portion or to have a smaller width than the other portion. Things.
- the liquid crystal device is a liquid crystal device in which liquid crystal is sealed between a pair of substrates bonded by a seal portion, wherein the seal portion surrounds the liquid crystal in a state where the seal material and the anisotropic conductive material are joined to each other.
- At least one of an inner edge and an outer edge in a joining region between the sealing material and the anisotropic conductive material has a flat shape with respect to portions on both sides of the joining region, or at both sides. It is formed into a shape that is more retracted than the part.
- the distance from the portions on both sides of the bonding region to the outer edge of the liquid crystal display region formed inside the sealing portion is from the portions on both sides of the bonding region to the outer edge of the substrate outside the sealing portion.
- the outer edge portion in the joining region is formed to be larger than the distance, and to have a flat shape with respect to portions on both sides of the joining region, or to be a shape that is retracted from the portions on both sides. If the distance from both sides of the bonding area to the outer edge of the substrate is smaller than the distance from both sides of the bonding area to the outer edge of the liquid crystal display area, a pair of large-area substrate base materials were bonded together by a seal.
- the sealing portion spreads outward (toward the fracture line) in the joint region between the sealing material and the anisotropic conductive material, there is a possibility that a failure failure may occur. . Therefore, the outer edge in the joint area of the seal portion is formed in a flat shape with respect to both sides, or is drawn in with respect to both sides. When formed into a shape, there is no outward spread of the seal portion, so that the risk of the substrate being broken at the manufacturing stage can be reduced. In this case, the inner edge of the joining region may protrude inward from portions on both sides of the joining region.
- the distance from the portions on both sides of the bonding region to the outer edge of the liquid crystal display region formed inside the seal portion is from the both sides of the bonding region to the outer edge of the substrate outside the seal portion.
- the inner edge in the joining region is formed to have a flat shape with respect to both sides of the joining region, or a shape that is retracted from both sides. preferable.
- the inner edge of the seal portion in the joining region is formed in a flat shape with respect to the portions on both sides of the joining region, or is formed in a shape that is more retracted than the portions on both sides of the joining region. An adverse effect on the cell gap at the outer periphery of the display region is prevented. In this case, the outer edge of the joining region may protrude from both sides of the joining region.
- a method for manufacturing a liquid crystal device in which liquid crystal is sealed between a pair of substrates bonded by a seal portion, wherein one of a seal material and an anisotropic conductive material is provided on a surface of one of the substrates. And disposing the other of the sealing material and the anisotropic conductive material on the surface of the other substrate, wherein at least one of the sealing material and the anisotropic conductive material is disposed.
- An end to be joined to the other is formed to be narrower or thinner than the other part, and a pair of ends is formed so that the end of the sealing material and the end of the anisotropic conductive film are joined to each other.
- the substrate is attached to each other, and the sealing member and the anisotropic conductive material bonded to each other constitute the sealing portion in a shape surrounding the liquid crystal.
- the end portion formed to have a width smaller than that of the other portion is formed in such a shape that both the inner edge portion and the outer edge portion are retracted more than the other portion.
- the end portion having a small width is formed substantially at the center of the width range of the other portion than the end portion.
- the distance from both sides of the joining region between the sealing material and the anisotropic conductive material to the outer edge of the liquid crystal display region formed inside the sealing portion is a portion on both sides of the joining region.
- it is formed in a flat shape or in a shape that is more recessed than both sides of the joining region.
- the distance from both sides of the joint region between the sealing material and the anisotropic conductive material to the outer edge of the liquid crystal display region formed inside the seal portion is opposite to both sides of the joint region. Is smaller than the distance from the portion to the outer edge of the substrate outside the seal portion, and the end portion formed to have a width smaller than that of the other portion, the inner edge portion of which is the other portion. It is preferable that it is formed in a shape that is flat with respect to the surface, or in a shape that is drawn in from the portions on both sides of the joining region.
- the alignment mark is formed of the same transparent conductor as a transparent electrode and a wiring formed on the surface of the substrate.
- the alignment mark is formed simultaneously with the formation of the transparent electrode and the wiring on the surface of the substrate.
- all of the alignment marks are formed so as to substantially overlap an end portion of the seal material or the anisotropic conductive material, and a position where the seal material or the anisotropic conductive material is formed. Is more preferable for accurately confirming.
- the end portion of the sealing material and the end portion of the anisotropic conductive material are formed in the same shape so as to overlap each other when the substrates are bonded.
- the sealing material and the end and the end of the anisotropic conductive material which are joined to each other are formed in the same shape. Therefore, even if there is a slight shift between the formation position of the seal material and the formation position of the anisotropic conductive material, bubbles may be formed in the seal portion in the joint area, or a seal failure may occur. Can be prevented.
- FIG. 1 is a plan view showing a structure of a liquid crystal panel, which is a main part of an embodiment of a liquid crystal device according to the present invention, in a partially broken state.
- FIG. 2 is a cross-sectional view schematically showing a cross-sectional structure of the panel taken along a line II-II in FIG.
- FIG. 3 is a plan view of one substrate constituting the liquid crystal panel shown in FIG.
- FIG. 4 is a plan view of the other substrate constituting the liquid crystal panel shown in FIG.
- FIG. 5 is a plan view showing a state during the manufacture of the substrate shown in FIG.
- FIG. 6 is a plan view showing a state in the course of manufacturing the substrate shown in FIG.
- FIG. 7 is a process chart showing one embodiment of a method for manufacturing a liquid crystal device according to the present invention.c
- FIG. 8 is a schematic view showing an example of a pair of mother substrates used in the manufacturing method shown in FIG. FIG.
- FIG. 9 is a plan view showing an enlarged plane in the middle of manufacturing at a portion corresponding to a region IX surrounded by a two-dot chain line shown in FIG.
- FIG. 10 is a diagram showing an enlarged plane before joining and an enlarged plane after joining for showing an example of the shape of the joint portion between the sealing material and the anisotropic conductive material.
- FIG. 11 is an enlarged cross-sectional view before joining and an enlarged plane after joining for illustrating another example of the shape of the joining portion between the sealing material and the anisotropic conductive material.
- FIG. 12 is a diagram showing enlarged planes A to E showing the positional relationship between the alignment mark and the ends of the sealing material and the anisotropic conductive material.
- FIG. 13 is an enlarged plan view showing yet another example of the shape of the joint between the sealing material and the anisotropic conductive material before joining.
- FIG. 14 is an enlarged plan view showing a state after the sealing material and the anisotropic conductive material shown in FIG. 13 are joined.
- FIG. 15 is a schematic plan view schematically showing examples of shapes of a sealing material and an anisotropic conductive material.
- FIG. 16 is a schematic plan view schematically showing another example of the shape of the sealing material and the anisotropic conductive material.
- FIG. 17 is a perspective view showing the appearance of a mobile phone which is an example of an electronic device incorporating the liquid crystal device of the above embodiment.
- FIG. 1 shows a liquid crystal panel 1 which is a main part of one embodiment of a liquid crystal device according to the present invention.
- FIG. 2 shows the panel structure of the liquid crystal panel 1 along a section taken along line II-II in FIG.
- the liquid crystal device of the present embodiment includes a lighting device such as a backlight for illuminating the liquid crystal panel from behind, and a liquid crystal driving circuit such as a liquid crystal driving IC for driving the liquid crystal panel. It is manufactured by attaching a conductive connection member such as a flexible wiring board for conductively connecting a liquid crystal panel to the outside, and other various auxiliary devices.
- the sealing material 2 and the anisotropic conductive material 3 are joined so as to be connected to each other, and as a result, the first substrate 6a and the second substrate 6b are formed by the annular sealing portion 4. Are attached to each other.
- the sealing material 2 is formed into a predetermined shape by a printing method or the like using an epoxy resin as a material. Further, as shown in FIG. 2, the anisotropic conductive material 3 is obtained by dispersing conductive particles 8 in a non-conductive resin material 7.
- the first substrate 6a corresponds to the inner surface of the first substrate material 12a, that is, the second substrate 6b. It has a first electrode 9a formed on the opposite surface, an overcoat layer 13a formed thereon, and an alignment film 14a formed thereon.
- the second substrate 6b has a second electrode 9b formed on the inner surface of the second substrate material 12b, that is, a surface facing the first substrate 6a, and a second electrode 9b formed thereon. It has an overcoat layer 13b and an alignment film 14b formed thereon.
- illustration of the alignment film and the overcoat layer is omitted for the sake of simplicity so that the structure can be easily understood.
- the first substrate material 12a and the second substrate material 12b are formed of a light-transmitting material such as glass, synthetic resin, or the like.
- the first electrode 9a and the second electrode 9b are formed of a light-transmissive conductive material such as, for example, ITO (Indium Tin Oxide).
- the overcoat layers 13a and 13b are formed of, for example, silicon oxide, titanium oxide, or a mixture containing these.
- the alignment films 14a and 14b are formed of, for example, polyimide resin.
- the first electrode 9a is formed as a plurality of linear wiring patterns
- the second electrode 9b is a multi-layer extending in a direction orthogonal to the first electrode 9a. It is formed as a number of wiring patterns.
- the first electrode 9a and the second electrode 9b are formed in a so-called stripe shape, which are arranged in parallel with each other.
- the area where the first electrode 9a and the second electrode 9b intersect functions as pixels arranged in a dot matrix, and a group of these pixels constitutes a liquid crystal display area.
- the first substrate 6a has a substrate overhang 6c that extends outside the outer edge of the second substrate 6b.
- a wiring terminal portion 11 composed of a plurality of linear wiring patterns is formed.
- FIG. 5 is a plan view of the first substrate 6a in a state where the first electrodes 9a are formed.
- a first electrode 9a and a plurality of first terminals 11a arranged at the center of the wiring terminal 11 are integrally formed, and a wiring terminal is formed.
- a plurality of second terminals 1 lb are provided on both sides of 11.
- Sa a pair of square alignment marks 15 are provided on both sides of the inner end of the second terminal 11b.
- the sealing material 2 is formed on the surface of the first substrate 6a along the outer edge of the substrate.
- the sealing material 2 is formed in a substantially 0-shape excluding a portion P where the inner ends of the second terminals 1 lb are arranged (hereinafter, simply referred to as “upper and lower conduction regions”).
- a liquid crystal injection port 2a is formed in a part thereof.
- an end 2 b of the sealing material 2 adjacent to the vertical conduction area P is formed at a position immediately above the alignment mark 15.
- the overcoat layer 13a and the alignment film 14a are not shown.
- FIG. 6 is a plan view of the second substrate 6b after the second electrode 9b is formed.
- a large number of second electrodes 9b are formed in stripes on the surface of the second substrate 6b, and these second electrodes 9b extend to the vertical conduction region P through the peripheral portion of the second substrate.
- alignment marks 16 are formed on both sides of the upper and lower conduction region P.
- the second electrode 9b and the alignment mark 16 are formed simultaneously by a transparent conductor such as ITO by a sputtering method or the like.
- the anisotropic conductive material 3 is formed on the second substrate 6b in the upper and lower conductive regions P by a printing method or the like.
- the anisotropic conductive material 3 is formed such that its end 3b is disposed immediately above the above-mentioned alignment mark 16.
- whether or not the formation position of the anisotropic conductive material 3 is normal can be accurately visually determined based on the formation position of the alignment mark 16.
- the position of the anisotropic conductive material 3 must be confirmed by measuring the dimensions with reference to the edge of the second substrate 6b, which complicates the operation and causes measurement errors. As a matter of fact, this embodiment does not have such a disadvantage.
- the end 2 b of the sealing material 2 is aligned with the alignment mark 15.
- the end 3b of the anisotropic conductive material 3 can be positioned by the alignment mark 16 so that the sealing material 2 and the anisotropic conductive material 3 are securely joined. It is possible to prevent poor sealing.
- similarly to the anisotropic conductive material 3, whether or not the formation position of the sealing material 2 is normal can be easily confirmed based on the position of the alignment mark 15 as a reference.
- first electrodes 9a, second electrodes 9b and terminals 11a and 11b of the wiring terminal 11 are formed at very narrow intervals.
- the spacing between them is drawn wide for easy understanding of the structure, and more are omitted.
- the second substrate 9 b shown in FIG. 4 is turned over from the state shown in FIG. 4 and superimposed on the first substrate 6 a shown in FIG.
- the first substrate 6a and the second substrate 6b are bonded to each other via the anisotropic conductive material 3.
- the relative positions of the first and second substrates 6a and 6b are determined such that the upper and lower conductive regions P of the second substrate 6b exactly match each other. In this positioning, accurate alignment can be performed by aligning the two substrates so that the alignment mark 15 and the alignment mark 16 have a predetermined positional relationship with each other in a plane. .
- the alignment marks 15 and 16 are formed in advance so that the two alignment marks completely coincide with each other in a normal bonding state of the two substrates. Therefore, by positioning the alignment marks 15 and 16 so as to completely overlap with each other, the two substrates can be easily and surely bonded in an accurate positional relationship.
- the first substrate 6a and the second substrate 6b are pressed against each other by applying a predetermined pressure, and the sealing material 2 and the anisotropic conductive material 3 are thermoset by heating in the pressed state. Then, the first substrate 6a and the second substrate 6b are fixed to each other. At this time, above In the lower conduction region P, the end 2 b of the sealing material 2 and the end 3 b of the anisotropic conductive material 3 overlap with each other and are joined by pressure to form an integral sealing portion 4 c In the upper and lower conduction region P, the anisotropic conductive material 3 comes into contact with the second terminal 1 lb on the first substrate 6a and the second electrode 9b on the second substrate 6b, respectively. By being pressed, the second terminal 11b and the second electrode 9b are conductively connected to each other via the conductive particles 8 mixed in the anisotropic conductive material 3.
- the liquid crystal is injected into the inside of the liquid crystal panel 1 through the liquid crystal injection port 2a shown in FIG. 1, and after the injection is completed, the liquid crystal injection port 2a is closed with a resin.
- the liquid crystal panel 1 is completed by attaching polarizing plates 17a and 17b on the outer surfaces of the first substrate 6a and the second substrate 6b.
- a conductive connection member such as a flexible wiring board (not shown) is conductively connected to the wiring terminal section 11 on the board overhanging section 6c of the liquid crystal panel 1 manufactured as described above.
- a liquid crystal device is formed by disposing a lighting device such as a backlight on one of the outer surfaces of the second substrate 6a and the second substrate 6b.
- a reflection type liquid crystal device may be configured by disposing a light reflection plate instead of the illumination device.
- the scanning voltage and the data voltage are applied to both sides of the liquid crystal in the pixel, the orientation of the liquid crystal in the pixel changes, and the light passing through the pixel is modulated.
- a desired image can be formed according to the light modulation state of each of a large number of pixels arranged in the liquid crystal display area.
- FIG. 7 shows steps of one embodiment of a method for manufacturing the liquid crystal panel 1.
- the first substrate 6a shown in FIG. 3 is formed through steps P1 to P5.
- the gala shown in Fig. 8 A plurality of panel scheduled areas 6a 'are set on the surface of a large-area first substrate base material 12a' made of metal, synthetic resin, or the like, and each of the panel scheduled areas 6a, as shown in FIG. 1
- a transparent conductor such as ITO by sputtering or the like so that the first electrode 9a, the alignment mark 15 and the wiring terminal 11 formed on the surface of the substrate 6a are formed.
- a pattern is formed using a known patterning method, for example, a photolithography method (step P1).
- the overcoat layer 13a is formed by, for example, offset printing using silicon oxide, titanium oxide, or a mixture containing these materials (step P2). Further, an orientation film 14a is formed thereon by, for example, offset printing using a polyimide resin or the like as a material (step P3). The alignment film 14a is subjected to a rubbing process by rubbing the surface with a rubbing roller (step P4). Thereafter, the sealing material 2 is formed by, for example, screen printing so that the pattern shown in FIG. 3 is formed for each of the panel scheduled areas 6a (step 5).
- the second substrate 6b is formed through steps P6 to P10. Specifically, a plurality of panel scheduled areas 6b are set on the surface of a large-area second substrate base material 12b 'made of glass, synthetic resin, or the like shown in FIG. In order to form the second electrode 9b and the alignment mark 16 formed on the surface of the second substrate 6b shown in FIG. After deposition by the evening ring method or the like, a pattern is formed using a well-known drying method, for example, a photolithography method (step P6).
- a photolithography method step P6
- the overcoat layer 13b is formed by, for example, offset printing using silicon oxide, titanium oxide, a mixture containing these, or the like (step P7). Further, an orientation film 14b is formed thereon by, for example, offset printing using polyimide resin or the like as a material (step P8). Rubbing treatment is performed on the alignment film 14a by rubbing the surface with a rubbing roller (step P9). Then, for example, by screen printing, the pattern shown in FIG. The anisotropic conductive material 3 is formed so as to be formed (Step P 10).
- the first substrate preform 1 2 a ′ and the second substrate preform 1 2 b ′ formed as described above are then bonded to each other in an aligned state, and further subjected to a crimping process, that is, a heating process.
- a crimping process that is, a heating process.
- they are fixed to each other by the sealing material 2 and the anisotropic conductive material 3 (Step P 11).
- a large-area panel structure including a plurality of liquid crystal panel structures is formed.
- Step P1 the panel structure having a large area is firstly broken to separate the panel structure into strips, and the liquid crystal injection port 2a formed in a part of the sealing material 2 is exposed to the outside (Step P1).
- step P13 Breaking is performed to separate the portions corresponding to the liquid crystal panel 1 shown in FIG. 1 from each other (process P 14).
- FIG. 9 shows an enlarged plan structure of a portion corresponding to a portion in the area K in FIG. 1 in the panel structure.
- the sealing material 2 is formed so that the end 2b is arranged on the alignment mark 15 formed on the first substrate base material 1 2a ′, and the second substrate base material 1 2b ′
- the anisotropic conductive material 3 is formed so that the end 3 b is arranged on the alignment mark 16 formed thereon, and the end 2 b of the sealing material 2 and the anisotropic conductive material 3 are formed.
- the end 3b is joined in a joining region T where the ends 3b overlap each other, and an integrated seal portion 4 is provided.
- the pixels PX configured as an area where the first electrode 9a and the second electrode 9b intersect are arranged in a dot matrix inside the liquid crystal display area D.
- a scribe line (along a predetermined breaking line S) is formed in order to form the liquid crystal panel 1 of FIG. groove) Is formed on the substrate surface, stress is applied along the scribe line, and the second substrate base material is broken.
- the outer edge of the liquid crystal display area D is arranged inside the seal portion 4 made of the seal material 2 and the anisotropic conductive material 3, and the break line S is arranged outside the seal portion 4.
- the ends 2b and 3b have the same width as the width of other parts other than the end.
- the width of the seal portion 4 in the joining region T becomes larger than the width of the portion other than the joining region T, and the seal portion 4 in this region is formed so as to spread both inside and outside.
- the end 2b of the sealing material 2 and the end 3b of the anisotropic conductive material 3 which are joined to each other are formed so that the materials are smaller than those of the other portions, respectively.
- the width of the seal portion 4 in the region T is formed so as to be substantially the same as the width of the other seal portions 4. As a result, the seal portion 4 in the joint region T spreads on both the inner and outer sides.
- the seal portion 4 When the inner edge of the seal portion 4 spreads inward in the joining region T, the seal portion 4 approaches the outer edge of the liquid crystal display region D, or when the distance L 1 is small, the seal portion 4 Intrusion into the inside is prevented.
- the change in the width of the seal portion 4 in the joining region T affects the cell gap in the liquid crystal display region D, thereby affecting the image quality of the liquid crystal display, and the seal portion 4 enters the liquid crystal display region D. In this case, a portion of the outer edge of the liquid crystal display area D where display cannot be performed occurs, resulting in a defective product.
- the outer edge of the seal portion 4 greatly expands outward in the joining region T, There is a possibility that the thread part 4 may reach the expected breaking line S.
- the distance L 2 is smaller than the distance L 1
- the possibility that the seal portion 4 reaches the scheduled break line S is higher than the possibility that the seal portion 4 reaches the outer edge of the liquid crystal display area D.
- a scribe line is inserted along the expected breaking line S, and then a stress is applied to break (break) the second substrate base material along the scribe line.
- the fracture surface When the fracture is applied, the fracture surface may bend from the part in contact with the seal part 4 and cause a fracture failure.Even if the fracture of the substrate material itself is completed, both sides of the fracture line In some cases, the second base material may not be able to be separated.
- the width of the seal portion 4 in the joining region T is formed so as to be substantially the same as the width of the other parts other than the joining region T, there is room for the above-described inconvenience to occur. Therefore, it is possible to prevent the occurrence of defects caused by the seal portion 4.
- the width of the sealing portion 4 in the joining region T is set so that the width of the sealing portion 4 in the joining region T does not increase as much as possible with respect to the width of the sealing portion 4 other than the joining region T.
- the width of the seal portion 4 other than the region T is substantially equal to the width of the seal portion 4 or the width of the seal portion 4 in the joint region T is smaller than the width of the seal portion 4 other than the joint region T.
- the present invention relates to the end shapes of the sealing material and the anisotropic conductive material. Therefore, this example has a liquid crystal panel structure similar to that of the above embodiment, and is different from the above embodiment only in the structure of the seal portion made of the seal material and the anisotropic conductive material.
- FIG. 10 is an enlarged plan view showing the planar shape near the joining region between the sealing material and the anisotropic conductive material before and after bonding the substrates.
- Both the end 2 2 b of the sealing material 2 2 and the end 2 3 b of the anisotropic conductive material 23 have a smaller width than the other parts except the ends 2 2 b and 23 b. Is configured. For this reason, When the sealing material 22 and the anisotropic conductive material 23 are joined to each other by bonding the plates, the width of the sealing portion 24 in the joining region T is the same as the width of the sealing portion 24 other than the joining region T. It is smaller than twice. In the illustrated example, the width of the seal portion 24 in the joining region T is configured to be smaller than the width of the other portions.
- the end shapes of the sealing material and the anisotropic conductive material can be easily formed by the same printing as described above. Further, it can be easily formed by using a precision dispenser which contains a sealing material or an anisotropic conductive material and is configured to discharge a material from a nozzle by pressurization.
- FIG. 11 shows a cross-sectional view of the end shapes of the sealing material and the anisotropic conductive material before bonding the substrates, and a plan view after bonding the substrates.
- the end portions 33b of the sealing material 33 provided on the upper portion are formed so as to be thinner than the portions other than the end portions 32b and 33b, respectively.
- the end 32 b of the sealing material 32 and the anisotropic conductive material 33 Even if the ends 3 3b of the joints overlap and are joined, the width of the seal portion 34 in the joint region T only needs to be slightly increased compared with the portion other than the joint region T, and the width of the seal portion as described above increases No failures occur.
- the end shape of the sealing material and the anisotropic conductive material in this example is a precision dispenser configured to accommodate the sealing material or the anisotropic conductive material and discharge the material from the nozzle by pressurization. It can be easily formed using.
- the seal material and the anisotropic conductive material When the end of the sealing material is joined to the end of the anisotropic conductive material by reducing the amount of material, the amount of increase in the width of the seal portion in the joint area with respect to the width of the other portions And the width of the seal portion in the joining region can be made substantially equal to the width of the other portion, or the width of the seal portion in the joining region can be made smaller than the width of the other portion.
- the alignment mark 15 of the present embodiment has a rectangular (or square) planar shape having edges extending in the extending direction of the sealing material 2 and the anisotropic conductive material 3 and in a direction orthogonal to the extending direction.
- A the length of the alignment mark 15 in the extending direction is denoted by L 15, and the width of the alignment mark 15 in the direction orthogonal to the extending direction is denoted by W 15.
- the end 2b of the sealing material 2 is formed so as to have a width smaller than that of the portion other than the end in substantially the same manner as in the example shown in FIG.
- the length of the end 2b formed in a narrow width is indicated by L′ 2b
- the width of the end 2b is indicated by W 2b (B).
- the length L 2 b of the end 2 b is formed to be substantially equal to the length L 15 of the alignment mark 15.
- the width W 2 b of the end 2 b is formed so as to be substantially equal to the width W 15 of the alignment mark 15.
- substantially equal means that the positional relationship between the alignment mark 15 and the end 2 b can be easily recognized by visual inspection. The difference is preferably within ⁇ 50%.
- the alignment mark 16 is a rectangle (or square) having an edge extending in the direction in which the sealing material 2 and the anisotropic conductive material 3 extend and in a direction perpendicular to the extending direction. (C).
- the length of the alignment mark 16 in the extending direction is L16
- the width of the alignment mark 16 in the direction perpendicular to the extending direction is W16.
- the end 3b of the anisotropic conductive material 3 is also formed so as to have a smaller width than portions other than the end.
- the length L 3 b of the end 3 b is formed so as to be substantially equal to the length L 16 of the alignment mark 16, and the width W 3 b of the end 3 b is equal to the length of the alignment mark. It is formed so as to be substantially equal to the width W16 (D).
- the ends 2b and 3b are formed so that the dimensions of the alignment marks 15 and 16 are substantially equal to the dimensions of the alignment marks 15 and 16, so that the alignment can be easily performed and the alignment marks 15 and 16 can be easily obtained.
- the sealing material 2 and the anisotropic conductive material 3 are formed on the, 16, 16, it is extremely important to check whether the ends 2 b, 3 b are formed at the normal positions with respect to the alignment marks 15, 16. It can be easily determined.
- both the length (dimension in the direction of extension of the seal portion) and the width (dimension in the direction perpendicular to the extension direction of the seal portion) are substantially equal. Although it has dimensions, the above-described effect can be obtained even when only one of the length and the width is substantially equal.
- the widths 2 ⁇ and W 3b of the end portions 2b and 313 are formed so as to be approximately half the width of the portion other than the end portions.
- the width of the sealing portion in the joining region T is substantially equal to the width of the sealing portion other than the joining region (E).
- the ends 2b and 3b are formed in such a shape that both the inner edge and the outer edge are drawn in with respect to the periphery of the portion other than the end. That is, the end portions 2b and 3b are formed so as to be located at the center of the width range of other portions other than the end portions. For this reason, when the end portion 2b and the end portion 3b are joined, the spread of the seal portion in the joining area spreads to both the inside and the outside with the same width (E).
- the ends 2b and 3b are formed so as to always overlap the alignment marks 15 and 16 so that the joining region T and the alignment marks 15 and 16 overlap. It has become.
- the alignment marks 15 and 16 do not overlap with the ends 2b and 3b, as shown by the two-dot chain lines in B and D in FIG. May be located adjacent to the. That is, the sealing material 2 and the anisotropic conductive material 3 may be formed so that the ends 2 b and 3 b are arranged not at the position directly above the alignment mark but at a position adjacent to the alignment mark. . Further, the alignment marks may be formed so that the ends 2b and 3b partially overlap with the alignment marks.
- the distance L 1 from the sealing material 42 and the anisotropic conductive material 43 to the outer edge of the liquid crystal display area D is equal to It is larger than the distance L 2 from the material 42 and the anisotropic conductive material 43 to the expected breaking line S.
- the end 4 2 b of the sealing material 42 and the end 4 3 b of the anisotropic conductive material 43 (shown by a dashed line in the drawing) joined to the end 42 b It has a smaller width than the other parts, and the ends 42b and 43b are formed so as to be biased toward the liquid crystal display area D side. That is, the outer edges of the ends 4 2 b and 4 3 b are formed so as to be drawn more inward than the other portions of the sealing material 42 and the anisotropic conductive material 43, while the end 4 The inner edges of 2b and 43b are hardly drawn out more than the other parts.
- a sealing portion 44 shown in FIG. 14 is formed.
- the portion of the joint area of the seal portion 44 formed by joining the end portions 4 2 b and 4 3 b is closer to the liquid crystal display region D side than the portions on both sides of the joint region T. It is formed in the position where it was. That is, the seal portion of the joint area T is drawn inward compared to the other portions. It has an outer rim, and instead has an inner rim that protrudes inward compared to the other parts.
- both ends are formed.
- the sealing portion of the joining region T formed by joining 42b and 43b is formed as a whole at a position closer to the liquid crystal display region D side than the other portions, and as a result, The seal material is prevented from spreading to the expected fracture line S set at a position closer to the seal portion than the outer edge of the liquid crystal display area D.
- the end of the seal material and the end of the anisotropic conductive material that overlap each other are formed at positions substantially coincident in the inside and outside directions (the width direction of the seal portion).
- the substrates are joined by bonding. Therefore, when the end of the sealing material and the end of the anisotropic conductive material are joined, even if there is a slight displacement in the width direction, the ends are securely brought into contact with each other and joined. It is possible to prevent bubbles from being generated in the seal portion at T and the occurrence of poor sealing due to a partial shortage of the seal material.
- the distance L1 from both sides of the joining region T of the seal portion 44 to the outer edge of the liquid crystal display region Is larger than the distance L1 on both sides of the joint region T of the seal portion 44.
- the distance L2 from the portion to the break line S is increased.
- both the end of the sealing material and the end of the anisotropic conductive material are formed so as to be deviated outward so that the joining region T of the sealing portion does not spread inward. It is preferable to do so.
- FIG. 15 is a schematic perspective plan view showing a modification of the above embodiment.
- a sealing material 59 is formed on the first substrate 50 by aligning both ends with the alignment marks 55, 56, and the alignment is formed on the second substrate 60.
- Anisotropic conductive material 69 is formed by aligning both ends to marks 65 and 66, and The first substrate 50 and the second substrate 60 are bonded so that the alignment marks 55, 56 and the alignment marks 65, 66 face each other.
- the sealing portion of the formed liquid crystal panel is formed in a planar rectangular frame shape.
- the anisotropic conductive material 69 forms one side of the plane rectangular frame shape
- the seal material 59 and the anisotropic conductive material 69 are formed at the corners of the seal portion shape of the plane rectangular frame. Joined.
- the seal material and the anisotropic conductive material are joined in the middle of the linear portion of the seal part, if the amount of the seal material becomes excessive in the joint area, the seal is sealed inside or outside the seal material. The material will protrude.
- the insulating sealing material and the conductive sealing material are joined at the corners as described above, when the ends of both the sealing materials are crushed to each other, the outside of the joining portion is removed. Since the sealing material can be spread in a wider range of directions, even if the amount of sealing material at both ends of the sealing material 59 and the anisotropic conductive material 69 is slightly excessive, The amount of protrusion of the sealing material to the outside can be reduced.
- alignment marks 75, 76, 77, 78 are formed on a first substrate 70, and four ends are arranged on these alignment marks.
- a seal material 79 is formed.
- alignment marks 85, 86, 87, 88 are formed on the second substrate 80, and an anisotropic conductive material 89 having four ends arranged on these alignment marks is formed. I do.
- the sealing material 79 and the anisotropic conductive material 89 are joined at four places.
- an anisotropic conductive material 89 is joined on two opposing sides of a flat rectangular frame-shaped sealing material.
- the position of the upper and lower conductive portions formed of the anisotropic conductive material may be formed at any place of the sealing material, and may be formed at any number of places.
- the second substrate 60 shown in FIG. 15 and the second substrate 80 shown in FIG. 16 show a transparent state in which an alignment mark and a sealing material are formed on the back surface of the substrate shown. is there.
- a configuration example of a mobile phone incorporating the liquid crystal device 100 including the liquid crystal panel 1 will be described with reference to FIG.
- a mobile phone is provided.
- On the outer surface of the outer case 110 there are an operation unit 10020 on which a large number of operation buttons are arranged, an antenna 1103 formed so as to be able to come and go, and a sound generator.
- a raw section 104, a sound detecting section 105, and a display section 160 are provided.
- a circuit board 1001 is provided inside the outer case 100, and the liquid crystal device 100 is mounted on the circuit board 1001.
- the liquid crystal display area in the liquid crystal device 100 is configured to be visible on the display unit 160.
- a communication circuit is formed on the circuit board 1001, operation buttons arranged on the operation section 100 are mounted, and a speaker element is provided at a position corresponding to the sound generation section 100.
- a microphone element is mounted at a position corresponding to the sound detection unit 150, and a microprocessor unit (MPU) consisting of an arithmetic processing circuit and a memory element for realizing various functions is mounted.
- MPU microprocessor unit
- substrate for forming a liquid crystal panel can be set accurately and its confirmation becomes easy, the sealing material Insufficient or excessive sealing material can be avoided in the joint region between the conductive material and the anisotropic conductive material, so that defective sealing of the liquid crystal and breaking of the substrate can be prevented. Therefore, in manufacturing a liquid crystal device, a high-quality liquid crystal panel can be formed, and the product yield can be improved.
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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US09/762,548 US6930745B1 (en) | 1999-06-11 | 2000-06-09 | LCD and method of manufacture thereof |
JP2001503565A JP3861688B2 (ja) | 1999-06-11 | 2000-06-09 | 液晶装置及びその製造方法 |
US11/153,124 US7190430B2 (en) | 1999-06-11 | 2005-06-15 | Liquid crystal device and manufacturing method therefor |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11/165236 | 1999-06-11 | ||
JP16523699 | 1999-06-11 | ||
JP2000/82531 | 2000-03-23 | ||
JP2000082531 | 2000-03-23 |
Related Child Applications (2)
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US09762548 A-371-Of-International | 2000-06-09 | ||
US11/153,124 Division US7190430B2 (en) | 1999-06-11 | 2005-06-15 | Liquid crystal device and manufacturing method therefor |
Publications (1)
Publication Number | Publication Date |
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WO2000077567A1 true WO2000077567A1 (fr) | 2000-12-21 |
Family
ID=26490051
Family Applications (1)
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---|---|---|---|
PCT/JP2000/003797 WO2000077567A1 (fr) | 1999-06-11 | 2000-06-09 | Ecran a cristaux liquides et procede de fabrication correspondant |
Country Status (6)
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US (2) | US6930745B1 (ja) |
JP (1) | JP3861688B2 (ja) |
KR (1) | KR100441484B1 (ja) |
CN (2) | CN1130593C (ja) |
TW (1) | TW477910B (ja) |
WO (1) | WO2000077567A1 (ja) |
Cited By (2)
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EP1674920A1 (en) | 2004-12-27 | 2006-06-28 | Seiko Epson Corporation | Liquid crystal display device, manufacturing method of liquid crystal display device, and electronic apparatus |
US9459498B2 (en) | 2004-12-27 | 2016-10-04 | Seiko Epson Corporation | Liquid crystal display device having first seal member and second seal member being directly connected to junction portions |
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JP4789369B2 (ja) | 2001-08-08 | 2011-10-12 | 株式会社半導体エネルギー研究所 | 表示装置及び電子機器 |
KR100531591B1 (ko) * | 2002-06-17 | 2005-11-28 | 알프스 덴키 가부시키가이샤 | 액정표시장치 |
KR101032337B1 (ko) | 2002-12-13 | 2011-05-09 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 발광장치 및 그의 제조방법 |
KR100911470B1 (ko) | 2003-01-30 | 2009-08-11 | 삼성전자주식회사 | 액정표시장치 |
JP4221704B2 (ja) * | 2003-03-17 | 2009-02-12 | 日本電気株式会社 | 液晶表示装置およびその製造方法 |
JP2007003651A (ja) * | 2005-06-22 | 2007-01-11 | Nec Lcd Technologies Ltd | 液晶表示パネル及びその製造方法 |
WO2007116511A1 (ja) * | 2006-04-07 | 2007-10-18 | Hitachi Plasma Display Limited | プラズマディスプレイパネル |
JP4131283B2 (ja) * | 2006-06-27 | 2008-08-13 | セイコーエプソン株式会社 | 電気光学装置及び電子機器 |
US9778474B2 (en) * | 2013-07-19 | 2017-10-03 | Sakai Display Products Corporation | Display panel and display apparatus |
CN103389588B (zh) * | 2013-07-30 | 2016-04-27 | 合肥京东方光电科技有限公司 | 一种显示面板及其封装方法、液晶显示器件 |
KR102250042B1 (ko) | 2014-03-17 | 2021-05-11 | 삼성디스플레이 주식회사 | 디스플레이 장치 |
KR102194824B1 (ko) * | 2014-03-17 | 2020-12-24 | 삼성디스플레이 주식회사 | 디스플레이 장치 |
CN104267544A (zh) * | 2014-10-17 | 2015-01-07 | 京东方科技集团股份有限公司 | 一种显示基板及具有该显示基板的显示装置 |
CN104849900A (zh) | 2015-06-03 | 2015-08-19 | 京东方科技集团股份有限公司 | 显示面板的制备方法及显示面板、显示装置 |
CN104977772B (zh) | 2015-07-13 | 2017-08-01 | 张家港康得新光电材料有限公司 | 表面起浮型液晶柱状透镜阵列装置、制造方法及显示装置 |
CN106973485A (zh) * | 2017-03-14 | 2017-07-21 | 惠科股份有限公司 | 显示设备及其柔性电路板 |
CN108761933B (zh) * | 2018-05-28 | 2021-07-27 | 武汉华星光电技术有限公司 | 阵列基板、液晶显示器及阵列基板的制造方法 |
CN113835271B (zh) * | 2021-09-22 | 2022-10-04 | Tcl华星光电技术有限公司 | 一种显示面板及电子显示设备 |
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- 2000-06-09 JP JP2001503565A patent/JP3861688B2/ja not_active Expired - Lifetime
- 2000-06-09 KR KR10-2001-7001765A patent/KR100441484B1/ko not_active IP Right Cessation
- 2000-06-09 CN CN00801087A patent/CN1130593C/zh not_active Expired - Lifetime
- 2000-06-09 CN CNB031314031A patent/CN100468142C/zh not_active Expired - Lifetime
- 2000-06-09 TW TW089111345A patent/TW477910B/zh not_active IP Right Cessation
- 2000-06-09 WO PCT/JP2000/003797 patent/WO2000077567A1/ja active IP Right Grant
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1674920A1 (en) | 2004-12-27 | 2006-06-28 | Seiko Epson Corporation | Liquid crystal display device, manufacturing method of liquid crystal display device, and electronic apparatus |
US7679708B2 (en) | 2004-12-27 | 2010-03-16 | Seiko Epson Corporation | Ring-shaped seal for LCD and method formed of first and second different material sealing members with respective first and second connecting portions each having respective first and second abutting parts that are continuous with the sealing members |
US9459498B2 (en) | 2004-12-27 | 2016-10-04 | Seiko Epson Corporation | Liquid crystal display device having first seal member and second seal member being directly connected to junction portions |
US9557606B2 (en) | 2004-12-27 | 2017-01-31 | Seiko Epson Corporation | Liquid crystal display device having rectangular close-shape seal members |
US9557608B2 (en) | 2004-12-27 | 2017-01-31 | Seiko Epson Corporation | Method of manufacturing a liquid crystal display device having rectangular close-shape seal members |
US9599861B2 (en) | 2004-12-27 | 2017-03-21 | Seiko Epson Corporation | Method of manufacturing a liquid crystal display device having rectangular close-shape seal members |
US9625765B2 (en) | 2004-12-27 | 2017-04-18 | Seiko Epson Corporation | Method of manufacturing a liquid crystal display device having continuous rectangular close-shape seal members |
US9952469B2 (en) | 2004-12-27 | 2018-04-24 | Seiko Epson Corporation | Display device having seal member being directly connected to junction portions |
US10564483B2 (en) | 2004-12-27 | 2020-02-18 | 138 East Lcd Advancements Limited | Display device having seal member being directly connected to junction portions |
US10754204B2 (en) | 2004-12-27 | 2020-08-25 | 138 East Lcd Advancements Limited | Display device having a seal member uninterruptedly extending around a pixel region |
Also Published As
Publication number | Publication date |
---|---|
CN1130593C (zh) | 2003-12-10 |
CN1515941A (zh) | 2004-07-28 |
KR100441484B1 (ko) | 2004-07-23 |
JP3861688B2 (ja) | 2006-12-20 |
KR20010072397A (ko) | 2001-07-31 |
TW477910B (en) | 2002-03-01 |
US6930745B1 (en) | 2005-08-16 |
CN100468142C (zh) | 2009-03-11 |
US20050248711A1 (en) | 2005-11-10 |
CN1313960A (zh) | 2001-09-19 |
US7190430B2 (en) | 2007-03-13 |
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