CN114527588A - Polymer liquid crystal dimming box, display module and electronic equipment - Google Patents
Polymer liquid crystal dimming box, display module and electronic equipment Download PDFInfo
- Publication number
- CN114527588A CN114527588A CN202210183807.8A CN202210183807A CN114527588A CN 114527588 A CN114527588 A CN 114527588A CN 202210183807 A CN202210183807 A CN 202210183807A CN 114527588 A CN114527588 A CN 114527588A
- Authority
- CN
- China
- Prior art keywords
- liquid crystal
- polymer liquid
- substrate
- frame glue
- shielding structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000005264 High molar mass liquid crystal Substances 0.000 title claims abstract description 135
- 239000000758 substrate Substances 0.000 claims abstract description 95
- 239000003292 glue Substances 0.000 claims abstract description 47
- 239000000565 sealant Substances 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 6
- 239000004973 liquid crystal related substance Substances 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 17
- 230000031700 light absorption Effects 0.000 abstract description 7
- 210000004027 cell Anatomy 0.000 description 12
- 238000010586 diagram Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 210000002858 crystal cell Anatomy 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920000620 organic polymer Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 208000008918 voyeurism Diseases 0.000 description 1
Images
Classifications
-
- 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
- G02F1/1323—Arrangements for providing a switchable viewing angle
-
- 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
- G02F1/1334—Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals
-
- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133512—Light shielding layers, e.g. black matrix
-
- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133524—Light-guides, e.g. fibre-optic bundles, louvered or jalousie light-guides
-
- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133553—Reflecting elements
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Dispersion Chemistry (AREA)
- Liquid Crystal (AREA)
Abstract
The invention provides a polymer liquid crystal dimming box, a display module and electronic equipment, wherein the polymer liquid crystal dimming box comprises: a first substrate; a second substrate disposed opposite to the first substrate; the polymer liquid crystal layer is arranged between the first substrate and the second substrate; the frame glue is arranged between the first substrate and the second substrate and surrounds the polymer liquid crystal layer; the frame glue is black frame glue. According to the invention, the frame glue in the polymer liquid crystal dimming box is set to be black, and ultraviolet light in the frame glue curing process is absorbed by utilizing the light absorption characteristic of the black frame glue, so that the problem that the ultraviolet light irradiates the polymer liquid crystal through the frame glue to cause the polymer liquid crystal to be cured in advance is solved, and the problem that the edge of the polymer liquid crystal dimming box is invalid is solved.
Description
Technical Field
The application relates to the field of display, in particular to a polymer liquid crystal dimming box, a display module and electronic equipment.
Background
Privacy protection is of increasing interest as display technology advances and consumer electronics iterate. In some cases, the user does not want others to view the display screen on the display, which requires the display device to have a peep-proof function.
The Polymer Network Liquid Crystal (PNLC) has the function of adjusting light, can be used in anti-peeping display, realizes free switching between a privacy mode and a sharing mode, and meets the requirements of consumers on different occasions. However, in the actual production process of the polymer liquid crystal cell, due to the structural particularity of the polymer liquid crystal cell, the polymer liquid crystal needs to be cured while being energized in the polymer liquid crystal curing process so that the polymer liquid crystal forms a corresponding inclined structure.
When manufacturing the polymer liquid crystal cell, the frame glue needs to be cured before the polymer liquid crystal curing process. In the prior art, as shown in fig. 1, when curing the sealant, an Ultraviolet (UV) mask is usually used to shield the polymer liquid crystal region, the region shielded by the UV mask is right opposite to the region where the polymer liquid crystal is located, and the edge of the UV mask is flush with the inner edge of the sealant. Thus, after the UV light is refracted by the transparent frame glue, reflected by the fillers in the transparent frame glue and transmitted by the gap between the UV photomask mask and the polymer liquid crystal box, the UV light irradiates the polymer liquid crystal. Because the wave bands of the UV light used for curing the frame glue and the polymer liquid crystal are the same, the polymer liquid crystal can be cured in advance after being irradiated by the UV light, so that a corresponding inclined structure cannot be formed in the subsequent polymer liquid crystal curing process, and the edge of a polymer liquid crystal box fails.
Disclosure of Invention
The invention provides a polymer liquid crystal dimming box, which aims to solve the problem of edge failure of the polymer liquid crystal dimming box in the prior art.
In order to solve the above problems, the technical scheme provided by the invention is as follows:
the present invention provides a polymer liquid crystal dimming cell, comprising:
a first substrate;
a second substrate disposed opposite to the first substrate;
the polymer liquid crystal layer is arranged between the first substrate and the second substrate;
the frame glue is arranged between the first substrate and the second substrate and surrounds the polymer liquid crystal layer;
the frame glue is black frame glue.
Optionally, in some embodiments of the present invention, the polymer liquid crystal dimming cell further includes a shielding structure, the shielding structure is disposed on a side of the sealant facing the polymer liquid crystal layer and a side of the second substrate facing the polymer liquid crystal layer, and the shielding structure surrounds a portion of the polymer liquid crystal layer.
Optionally, in some embodiments of the present invention, the shielding structure is in contact with the sealant.
Optionally, in some embodiments of the present invention, the blocking structure is any one of a black light absorbing structure, a metal light reflecting structure, and a transparent light guiding structure.
Optionally, in some embodiments of the present invention, the transparent light guide structure includes at least two transparent film layers, and the refractive index of the transparent film layers gradually increases in a direction away from the second substrate.
Optionally, in some embodiments of the present invention, the thickness of the shielding structure ranges from 0.5 um to 1.5 um.
Optionally, in some embodiments of the present invention, a width L of the blocking structure is D Sin θ, where D is a distance from an ultraviolet light mask located above the blocking structure to the blocking structure, and θ is a complementary angle of a maximum incident angle of ultraviolet light to the blocking structure.
Optionally, in some embodiments of the present invention, the pretilt angle of the polymer liquid crystal in the polymer liquid crystal layer is in the range of 40 ° to 80 °.
The invention provides a polymer liquid crystal dimming box, which is characterized in that frame glue in the polymer liquid crystal dimming box is set to be black, ultraviolet light in a frame glue curing process is absorbed by utilizing the light absorption characteristic of the black frame glue, the problem that the ultraviolet light irradiates polymer liquid crystal through the frame glue to cause the polymer liquid crystal to be cured in advance is solved, and the problem that the edge of the polymer liquid crystal dimming box is invalid is solved.
Drawings
The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a frame adhesive curing process provided in the prior art;
FIG. 2 is a schematic diagram of a first structure of a polymer liquid crystal light-modulating cell according to an embodiment of the present invention;
FIG. 3 is a flow chart of the preparation of the polymeric liquid crystal light-modulating cell provided by the embodiment of the present invention;
fig. 4 is a first structural schematic diagram of a frame glue curing process of the polymer liquid crystal dimming box according to the embodiment of the present invention;
FIG. 5 is a schematic diagram of a second structure of a polymer liquid crystal light-modulating cell provided in an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a second frame glue curing process of the polymer liquid crystal dimming box according to an embodiment of the present invention;
FIG. 7 is an enlarged partial schematic view of FIG. 6;
fig. 8 is a schematic structural diagram of a third frame glue curing process of the polymer liquid crystal dimming box according to the embodiment of the present invention;
FIG. 9 is an enlarged partial schematic view of FIG. 8;
fig. 10 is a schematic structural diagram of a display module according to an embodiment of the invention.
Detailed Description
While the embodiments and/or examples of the present invention will be described in detail and fully with reference to the specific embodiments thereof, it should be understood that the embodiments and/or examples described below are only a part of the embodiments and/or examples of the present invention and are not intended to limit the scope of the invention. All other embodiments and/or examples, which can be obtained by a person skilled in the art without making any inventive step, based on the embodiments and/or examples of the present invention, belong to the scope of protection of the present invention.
Directional terms used in the present invention, such as [ upper ], [ lower ], [ left ], [ right ], [ front ], [ rear ], [ inner ], [ outer ], [ side ], are only referring to the directions of the attached drawings. Accordingly, the directional terminology is used for the purpose of describing and understanding the invention and is in no way limiting. The terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature.
Aiming at the problem of edge failure of the polymer liquid crystal dimming box in the prior art, the invention provides the polymer liquid crystal dimming box which can solve the problem.
In an embodiment, referring to fig. 2, fig. 2 is a schematic view illustrating a first structure of a polymer liquid crystal light modulation box according to an embodiment of the present invention. As shown in fig. 2, the polymer liquid crystal dimming cell provided by the embodiment of the present invention includes:
a first substrate 11;
a second substrate 12 disposed opposite to the first substrate 11;
a polymer liquid crystal layer 13 disposed between the first substrate 11 and the second substrate 12;
the frame glue 14 is arranged between the first substrate 11 and the second substrate 12 and surrounds the polymer liquid crystal layer 13;
the sealant 14 is a black sealant.
According to the embodiment of the invention, the frame glue is set to be black, and ultraviolet light in the curing process of the frame glue is absorbed by utilizing the light absorption characteristic of the black frame glue, so that the problem that the polymer liquid crystal is cured in advance due to the fact that the ultraviolet light penetrates through the frame glue and irradiates the polymer liquid crystal is solved, and the problem that the edge of the polymer liquid crystal dimming box is invalid is solved to a certain extent.
Specifically, referring to fig. 2, the polymer liquid crystal dimming cell mainly includes a first substrate 11, a second substrate 12, and a polymer liquid crystal layer 13 located between the first substrate 11 and the second substrate 12, where the first substrate 11 and the second substrate 12 jointly drive polymer liquid crystal molecules in the polymer liquid crystal layer 13 to rotate, and the polymer liquid crystal molecules include a liquid crystal 132 and a polymer small molecule 131. The first substrate 11 and the second substrate 12 are respectively one of an array substrate and a color filter substrate, the first substrate 11 may be an array substrate and the second substrate 12 may be a color filter substrate, or the first substrate 11 may be a color filter substrate and the second substrate 12 may be an array substrate. The array substrate and the color film substrate can be designed based on the prior art according to actual needs, and are not limited herein. In the embodiment of the present invention, the first substrate 11 is a color filter substrate, and the second substrate 12 is an array substrate. The polymer liquid crystal dimming box further comprises a first alignment layer 16 and a second alignment layer 17, the first alignment layer 16 is arranged on one side, close to the polymer liquid crystal layer 13, of the first substrate, the first substrate 11 is connected, the second alignment layer 17 is arranged on one side, close to the polymer liquid crystal layer 13, of the second substrate 12, and the second substrate 12 is connected. The polymer liquid crystal dimming box further comprises a supporting column 18, wherein the supporting column 18 is arranged on one side, close to the polymer liquid crystal layer 13, of the first substrate 11, connected with the first substrate 11 and extended into the polymer liquid crystal layer 13. The sealant 14 is disposed between the first substrate 11 and the second substrate 12, and surrounds the polymer liquid crystal layer, the first alignment layer 16, and the second alignment layer 17.
Referring to fig. 3, fig. 3 is a flow chart illustrating a process for manufacturing a polymer liquid crystal light modulation cell according to an embodiment of the present invention. As shown in fig. 3, the preparation process of the polymer liquid crystal light modulation box comprises:
step S11, preparing a first substrate; in the embodiment of the present invention, the preparing the first substrate includes preparing the first substrate 11, preparing the supporting pillars 18, and preparing the first alignment layer 16.
Step S12, preparing a second substrate; in the embodiment of the present invention, the preparing the second substrate includes preparing the second substrate 12 and preparing the second alignment layer 17.
The preparation of the first substrate and the preparation of the second substrate are two independent manufacturing processes, which may be performed simultaneously or sequentially, and are not limited herein.
Step S2, alignment is carried out; in the embodiment of the present invention, the alignment is performed by aligning the first alignment layer 16 and the second alignment layer 17, so that the polymer liquid crystal molecules form a corresponding pre-tilt state in the polymer liquid crystal curing process.
And step S31, dropping the polymer liquid crystal.
Step S32, coating frame glue; in the embodiment of the present invention, the sealant is made of a non-transparent organic polymer material.
The order of dripping the polymer liquid crystal and the frame glue coating can be adjusted according to specific design, and generally, the frame glue coating is carried out firstly, and then the polymer liquid crystal is dripped.
Step S4, assembling the first substrate and the second substrate; specifically, the first substrate and the second substrate are assembled together.
Step S5, curing the frame glue; specifically, the frame adhesive 14 is cured by ultraviolet irradiation and heating.
Step S6, solidifying the polymer liquid crystal; specifically, the polymer liquid crystal is cured by adopting ultraviolet irradiation and electrification curing, so that the polymer liquid crystal molecules form a corresponding pre-tilt state, and the pre-tilt angle of the polymer liquid crystal molecules is 40-80 degrees.
As shown in fig. 4, when the sealant of the polymer liquid crystal dimming box is cured, the ultraviolet light UV is easily transmitted through the sealant to irradiate the polymer liquid crystal, so as to cause the polymer liquid crystal to be cured in advance. According to the embodiment of the invention, the frame glue is prepared by adopting a black organic polymer material, and in the curing process of the frame glue, the black frame glue 14 can absorb ultraviolet light UV, so that the risk that the ultraviolet light UV penetrates through the frame glue 14 is avoided, and the problem of advanced curing of the polymer liquid crystal is relieved.
Further, as shown in fig. 4, in the frame glue curing process, an ultraviolet light mask with a larger size than that in the prior art is used. The region shielded by the photomask mask corresponds to the region where the polymer liquid crystal layer 13 is located, the edge of the photomask mask extends towards the direction of the frame glue 14, and the range of the distance L1 between the edge of the photomask mask and the edge of the polymer liquid crystal layer 13 is 50-100 micrometers. Thus, the portion of the mask beyond the edge of the polymer liquid crystal layer 13 can partially shield the sealant 14, so as to prevent ultraviolet light with a large incident angle from irradiating the polymer liquid crystal through a gap between the sealant 14 and the mask, thereby further avoiding the risk of curing the polymer liquid crystal in advance. It should be noted that increasing the edge size of the mask by 50-100 μm does not affect the curing effect of the sealant 14.
Referring to fig. 5, fig. 5 is a schematic view illustrating a second structure of a polymer liquid crystal light modulation box according to an embodiment of the present invention. As shown in fig. 5, the polymer liquid crystal dimming cell further includes a shielding structure 15, the shielding structure 15 is disposed on a side of the sealant 14 close to the polymer liquid crystal layer 13 and a side of the second substrate 12 facing the polymer liquid crystal layer 13, and the shielding structure 15 surrounds a portion of the polymer liquid crystal layer. Thus, by providing the shielding structure 15, the ultraviolet light UV passing through the gap between the mask and the polymer liquid crystal dimming cell is blocked by the shielding structure 15, so as to prevent the ultraviolet light UV from entering the polymer liquid crystal layer 13, thereby further avoiding the risk of curing the polymer liquid crystal in advance, and please refer to fig. 6 specifically.
In an embodiment, as shown in fig. 5, the shielding structure 15 is a black light absorbing structure, the black light absorbing structure is disposed between the first substrate 11 and the second substrate 12, an outer edge of the black light absorbing structure contacts the sealant 14, and the black light absorbing structure contacts a substrate close to the ultraviolet light among the first substrate 11 and the second substrate 12, that is, the second substrate 12 in the figure. Further, the black light absorbing structure and the second alignment layer 17 are disposed in the same layer. And absorbing ultraviolet light (UV) emitted to the black light absorption structure by using the light absorption effect of the black light absorption structure, so that the UV cannot enter the polymer liquid crystal layer 13, and further avoiding the risk of edge failure of the polymer liquid crystal dimming box.
In another embodiment, the shielding structure 15 is a metal reflective structure, which may be similar to the black light absorbing structure, and is disposed between the first substrate 11 and the second substrate 12 and in contact with the second substrate 12, the metal reflective structure may also be disposed in the second substrate, and an outer edge of the metal reflective structure is flush with an inner edge of the sealant 14. The metal reflecting structure is a metal film layer with a good light reflecting effect. And the ultraviolet light UV emitted to the metal reflecting structure is reflected by utilizing the light reflecting effect of the metal reflecting structure, so that the ultraviolet light UV cannot enter the polymer liquid crystal layer 13, and the risk of edge failure of the polymer liquid crystal dimming box is further avoided.
In a further embodiment, the shielding structure 15 is a transparent light guide structure, and the transparent light guide structure includes at least two transparent film layers, and the refractive index of the transparent film layers gradually increases in a direction away from the second substrate, i.e. in a direction irradiated by the ultraviolet light UV rays. Therefore, the property that light rays and light thinning media enter the light tight media, the refraction angle is smaller than the incidence angle is utilized, the area of the polymer liquid crystal layer irradiated by the ultraviolet light UV is reduced, the probability that the polymer liquid crystal is cured in advance is reduced to a certain extent, and the area of the edge failure of the polymer liquid crystal dimming box is reduced. The material of the transparent light guide structure can be selected from inorganic transparent materials such as silicon nitride, silicon oxide and the like, and can also be selected from organic transparent light resistance materials.
Referring to fig. 7, it is noted that the maximum incident angle of the ultraviolet light UV with respect to the polymer liquid crystal layer is (pi/4- θ), and the distance between the mask and the shielding structure 15 is D, then the width L of the shielding structure 15 is D Sin θ, and the thickness of the shielding structure 15 is in the range of 0.5-1.5 um.
Further, as shown in fig. 8, in the curing process of the sealant, an ultraviolet photomask mask with a larger size than that in the prior art is used. The region shielded by the photomask mask corresponds to the region where the polymer liquid crystal layer 13 is located, the edge of the photomask mask extends towards the direction of the frame glue 14, and the range of the distance L1 between the edge of the photomask mask and the edge of the polymer liquid crystal layer 13 is 50-100 micrometers. Referring to fig. 9, it is noted that the maximum incident angle of the ultraviolet light UV with respect to the polymer liquid crystal layer is (pi/4-theta), the distance between the mask and the shielding structure is D, and the distance that the mask shields the sealant 14 is L1, so that the width of the shielding structure is L2 ═ D Sin theta-L1, and the thickness of the shielding structure is in a range of 0.5-1.5 um.
In an embodiment, the invention further provides a display module, please refer to fig. 10, and fig. 10 shows a schematic structural diagram of the display module provided in the embodiment of the invention. As shown in fig. 10, the display module includes:
a display panel 20;
in any embodiment of the present invention, the polymer liquid crystal light modulation cell 10 is disposed on the light emitting side of the display panel.
The electronic device provided in this embodiment includes the polymer liquid crystal dimming box provided in any one embodiment of the present invention, and thus has the technical features of the polymer liquid crystal dimming box provided in any one embodiment of the present invention, and further has the technical effects possessed by the polymer liquid crystal dimming box.
Correspondingly, the embodiment of the invention also provides electronic equipment, and the electronic equipment comprises the display module provided by the embodiment of the invention. Since the electronic device includes the display module, the electronic device has all technical features of the display module, and further has technical effects possessed by the display module.
In summary, the embodiment of the present invention provides a polymer liquid crystal dimming box, a display module and an electronic device, where the polymer liquid crystal dimming box includes: a first substrate; a second substrate disposed opposite to the first substrate; the polymer liquid crystal layer is arranged between the first substrate and the second substrate; the frame glue is arranged between the first substrate and the second substrate and surrounds the polymer liquid crystal layer; the frame glue is black frame glue. According to the invention, the frame glue in the polymer liquid crystal dimming box is set to be black, and ultraviolet light in the frame glue curing process is absorbed by utilizing the light absorption characteristic of the black frame glue, so that the problem that the ultraviolet light irradiates the polymer liquid crystal through the frame glue to cause the polymer liquid crystal to be cured in advance is solved, and the problem that the edge of the polymer liquid crystal dimming box is invalid is solved.
The polymer liquid crystal dimming cell, the display module and the electronic device provided by the embodiment of the invention are described in detail, a specific example is applied in the description to explain the principle and the implementation of the invention, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for those skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. A polymeric liquid crystal dimming cell, comprising:
a first substrate;
a second substrate disposed opposite to the first substrate;
the polymer liquid crystal layer is arranged between the first substrate and the second substrate;
the frame glue is arranged between the first substrate and the second substrate and surrounds the polymer liquid crystal layer;
the frame glue is black frame glue.
2. The polymer liquid crystal dimming cell of claim 1, further comprising a shielding structure, wherein the shielding structure is disposed on a side of the sealant facing the polymer liquid crystal layer and a side of the second substrate facing the polymer liquid crystal layer, and the shielding structure surrounds a portion of the polymer liquid crystal layer.
3. The polymer liquid crystal dimming cell of claim 2, wherein the shielding structure is in contact with the sealant.
4. The polymer liquid crystal light box of claim 3, wherein the shielding structure is any one of a black light absorbing structure, a metal light reflecting structure, and a transparent light guiding structure.
5. The polymer liquid crystal dimming cell of claim 4, wherein said transparent light guiding structure comprises at least two transparent film layers, the refractive index of said transparent film layers increasing in a direction away from said second substrate.
6. The polymer liquid crystal dimming cell of claim 2, wherein said blocking structure has a thickness in the range of 0.5 to 1.5 um.
7. The polymer liquid crystal dimming cell of claim 2, wherein the shielding structure has a width L ═ D × Sin θ, wherein D is a distance from an ultraviolet light mask located above the shielding structure to the shielding structure, and θ is a complementary angle of a maximum incident angle of ultraviolet light to the shielding structure.
8. The polymer liquid crystal dimming cell of claim 1, wherein the pretilt angle of the polymer liquid crystal in the polymer liquid crystal layer is in the range of 40 ° to 80 °.
9. A display module, comprising:
a display panel;
the polymer liquid crystal dimming cell of any one of claims 1 to 8, which is disposed on a light emitting side of the display panel.
10. An electronic device comprising the display module according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210183807.8A CN114527588A (en) | 2022-02-28 | 2022-02-28 | Polymer liquid crystal dimming box, display module and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210183807.8A CN114527588A (en) | 2022-02-28 | 2022-02-28 | Polymer liquid crystal dimming box, display module and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114527588A true CN114527588A (en) | 2022-05-24 |
Family
ID=81624441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210183807.8A Pending CN114527588A (en) | 2022-02-28 | 2022-02-28 | Polymer liquid crystal dimming box, display module and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114527588A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105045006A (en) * | 2015-08-17 | 2015-11-11 | 武汉华星光电技术有限公司 | Liquid crystal display panel |
| CN110196508A (en) * | 2019-05-30 | 2019-09-03 | 京东方科技集团股份有限公司 | A kind of display panel and preparation method thereof, display device |
| CN111025735A (en) * | 2019-12-20 | 2020-04-17 | 昆山龙腾光电股份有限公司 | Liquid crystal display panel and liquid crystal display device |
| CN113039482A (en) * | 2019-09-03 | 2021-06-25 | 京东方科技集团股份有限公司 | Display panel and display device |
| CN214174773U (en) * | 2021-02-03 | 2021-09-10 | 昆山龙腾光电股份有限公司 | Display device |
| CN113721378A (en) * | 2021-08-30 | 2021-11-30 | 京东方科技集团股份有限公司 | Light-transmitting panel, intelligent window and control method of light-transmitting panel |
-
2022
- 2022-02-28 CN CN202210183807.8A patent/CN114527588A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105045006A (en) * | 2015-08-17 | 2015-11-11 | 武汉华星光电技术有限公司 | Liquid crystal display panel |
| CN110196508A (en) * | 2019-05-30 | 2019-09-03 | 京东方科技集团股份有限公司 | A kind of display panel and preparation method thereof, display device |
| CN113039482A (en) * | 2019-09-03 | 2021-06-25 | 京东方科技集团股份有限公司 | Display panel and display device |
| CN111025735A (en) * | 2019-12-20 | 2020-04-17 | 昆山龙腾光电股份有限公司 | Liquid crystal display panel and liquid crystal display device |
| CN214174773U (en) * | 2021-02-03 | 2021-09-10 | 昆山龙腾光电股份有限公司 | Display device |
| CN113721378A (en) * | 2021-08-30 | 2021-11-30 | 京东方科技集团股份有限公司 | Light-transmitting panel, intelligent window and control method of light-transmitting panel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106773252B (en) | Liquid crystal panel and liquid crystal display | |
| KR100996280B1 (en) | Optical element and illuminating device, display device, and electronic device, using the optical elememt | |
| KR100819974B1 (en) | Liquid crystal display device and method of manufacturing the same | |
| CN108873493B (en) | Liquid crystal display panel, device and frame glue curing method of liquid crystal display panel | |
| US20030218713A1 (en) | Substrate for liquid crystal display device, liquid crystal display device provided with the same,manufacturing method of the same, and manufacturing apparatus of the same | |
| KR100322817B1 (en) | Liquid crystal display and manufacturing method thereof | |
| TWI786412B (en) | Display device and fabrication method of the same | |
| US10168569B2 (en) | Display device, adhesive-layer-including light-diffusion member, and method of manufacturing the light-diffusion member | |
| CN110196508B (en) | Display panel, preparation method thereof and display device | |
| US20160139453A1 (en) | Display apparatus | |
| JP2007171539A (en) | Optical film, liquid crystal panel and liquid crystal display device | |
| US7385668B2 (en) | Method of curing seal and method of manufacturing liquid crystal panel by using the same | |
| CN114326198B (en) | Color film substrate, manufacturing method thereof and display panel | |
| CN110543045B (en) | Display device | |
| CN114527588A (en) | Polymer liquid crystal dimming box, display module and electronic equipment | |
| US7061571B2 (en) | Method of curing seal and method of manufacturing liquid crystal panel by using the same | |
| US20040174491A1 (en) | Process and structure of liquid crystal panel with one drop fill | |
| JP6351217B2 (en) | Light diffusing member manufacturing equipment | |
| KR20060110196A (en) | Sealant for adhesion substrates, liquid crystal display device and fabricating method using the same | |
| CN215526294U (en) | Display panel and display device | |
| JP2005208479A (en) | Method for sticking display panel | |
| US20240126113A1 (en) | Display device | |
| US11868012B2 (en) | Transparent display panel and method for manufacturing the same, and electronic device | |
| US11982828B2 (en) | Display device | |
| CN109061924B (en) | Flexible liquid crystal display panel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |