CN112083612B - Liquid crystal display panel and preparation method thereof - Google Patents
Liquid crystal display panel and preparation method thereof Download PDFInfo
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- CN112083612B CN112083612B CN202010974418.8A CN202010974418A CN112083612B CN 112083612 B CN112083612 B CN 112083612B CN 202010974418 A CN202010974418 A CN 202010974418A CN 112083612 B CN112083612 B CN 112083612B
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/38—Polymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
- C09K19/60—Pleochroic dyes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
- C09K19/60—Pleochroic dyes
- C09K19/601—Azoic
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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
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- Optics & Photonics (AREA)
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Abstract
The invention provides a liquid crystal display panel and a preparation method thereof, wherein the liquid crystal display panel comprises: the liquid crystal display device comprises a first substrate, a liquid crystal layer, a second substrate, a first alignment film, a second alignment film, a first polarizer and a second polarizer. The invention adds polymer liquid crystal containing charged particles and dichroic pigment in the liquid crystal layer, wherein the dichroic pigment is arranged above the metal wiring of the first substrate, and the polymer is arranged along the direction vertical to the first polarizer. When light coming out from the bottom backlight passes through the polymer structure and is absorbed along the absorption direction of the dichroic pigment, the light irradiated from the upper side is reflected and scattered for multiple times by the curved surface on the metal routing wire and is absorbed by the dichroic pigment, so that the effect of a black matrix in the second substrate can be replaced, and the display panel can be used for a sub-pixel structure without the black matrix and with a high aperture ratio.
Description
Technical Field
The invention relates to the technical field of display, in particular to a liquid crystal display panel and a preparation method thereof.
Background
The polymer liquid crystal composite material has wide application prospect, various photoelectric devices based on the composite material are proposed and realized, the polymer liquid crystal material mainly contains polymer prepolymer, liquid crystal, photoinitiator and the like, the size of liquid crystal liquid drops can be controlled by controlling exposure conditions, temperature, polymerization rate, diffusion rate, viscosity, monomer mass ratio and the like, the photoinitiator generates free radicals by irradiation, the monomers are induced to polymerize to form a cross-linked polymer matrix, a curved surface can be formed, and in the whole process, Mask (photomask plate) design can be used for realizing more complex phase separation structures with different optical functions, such as light valves, lenses and the like.
Therefore, it is necessary to provide a liquid crystal display panel and a method for manufacturing the same, which can improve the signal-to-noise ratio of the display panel.
Disclosure of Invention
The invention aims to provide a liquid crystal display panel and a preparation method thereof, wherein a polymer liquid crystal and a dichroic pigment are added in the panel, so that the display panel with a sub-pixel structure without a black matrix and high aperture ratio can be obtained.
In order to achieve the above object, the present invention provides a liquid crystal display panel including: a first substrate; the liquid crystal layer is arranged on one side of the first substrate; the second substrate is arranged on one side, far away from the first substrate, of the liquid crystal layer; wherein the liquid crystal layer includes: liquid crystal molecules; a polymer liquid crystal containing charged particles; and the charged particles are used for polymerizing the polymer liquid crystal and the dichroic pigment to form a polymer.
Further, the dichroic pigment includes a dichroic black dye; the dichroic dye has an absorption axis and absorbs polarized light parallel to the absorption axis.
Further, the first substrate is an array substrate; the second substrate is a color film substrate.
Further, the thickness of liquid crystal layer is 10 ~ 20 um.
Further, the dichroic pigment includes azo dyes and leek dyes.
Furthermore, the second substrate consists of a first glass substrate and a color resistance layer; the color resistance layer is arranged on one side, close to the liquid crystal layer, of the first glass substrate.
Further, the liquid crystal display panel further includes: the first alignment film is arranged between the liquid crystal layer and the first substrate; and the second alignment film is arranged between the liquid crystal layer and the second substrate.
Further, the liquid crystal display panel further includes: the first polaroid is arranged on one side, close to the liquid crystal layer, of the first alignment film; and the second polaroid is arranged on one side of the second alignment film close to the liquid crystal layer.
The present invention also provides another liquid crystal display panel, including: a first substrate; the liquid crystal layer is arranged on one side of the first substrate; the second substrate is arranged on one side, far away from the first substrate, of the liquid crystal layer; wherein the first substrate includes: a second glass substrate; the driving layer is arranged on the second glass substrate; the planarization layer is arranged on the driving layer and provided with a plurality of slotted holes, and the slotted holes extend downwards to the upper surface of the driving layer; the liquid crystal display panel further includes: polymer liquid crystals, dichroic pigments, and charged particles; the charged particles are used for connecting the polymer liquid crystal and the dichroic pigment to form a polymer, and the polymer is coated on the planarization layer and filled in the groove holes.
The invention finally provides a preparation method for preparing the liquid crystal display panel, which comprises the following steps:
providing a first substrate and a second substrate, and aligning the first substrate and the second substrate; filling liquid crystal molecules, polymer liquid crystal containing charged particles, and a dichroic dye between the first substrate and the second substrate; controlling the polymerized liquid crystal and the dichroic pigment to aggregate a polymer through the charged particles; providing a mask plate, wherein the mask plate is provided with a light transmitting area, the light transmitting area corresponds to the metal routing of the first substrate, the mask plate is illuminated to perform curing treatment on the liquid crystal molecules, the polymer liquid crystal and the charged particles by the dichromatic pigment, and the polymer is electrified simultaneously; and a first laminated alignment film and a first polaroid are sequentially formed on one side of the first substrate close to the second substrate, and a second laminated alignment film and a second polaroid are sequentially formed on one side of the second substrate close to the first substrate.
The invention has the beneficial effects that: the invention provides a liquid crystal display panel and a preparation method thereof.A polymer liquid crystal containing charged particles and dichroic pigments are added in a liquid crystal layer, the dichroic pigments are arranged above metal wiring of a first substrate, and the polymer is arranged along the direction vertical to a first polarizer. When light coming out from the bottom backlight passes through the polymer structure and is absorbed along the absorption direction of the dichroic pigment, the light irradiated from the upper side is reflected and scattered for multiple times by the curved surface on the metal routing wire and is absorbed by the dichroic pigment, so that the effect of a black matrix in the second substrate can be replaced, and the display panel can be used for a sub-pixel structure without the black matrix and with a high aperture ratio.
Drawings
The technical solution and other advantages of the present invention will become apparent from the following detailed description of specific embodiments of the present invention, which is to be read in connection with the accompanying drawings.
Fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of response times of liquid crystals with different voltages according to an embodiment of the invention.
Fig. 3 is a schematic diagram of a liquid crystal layer polymer according to an embodiment of the invention.
Fig. 4 is a schematic structural diagram of a display panel according to another embodiment of the present invention.
Liquid crystal display panels 100, 100 a; a first substrate 110, 110 a; liquid crystal layers 120, 120 a;
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.
As shown in fig. 1, an embodiment of the present invention provides a liquid crystal display panel 100, including: the liquid crystal display device comprises a first substrate 110, a liquid crystal layer 120, a second substrate 130, a first alignment film 101, a second alignment film 103, a first polarizer 102 and a second polarizer 104.
The first substrate 110 is an array substrate.
The liquid crystal layer 120 is disposed on one side of the first substrate 110.
The thickness of the liquid crystal layer 120 is 10-20 um; the optimal thickness reaches about 15um, can realize 45 degrees visual angle and restraint (as shown in fig. 2, when the visual angle is restrained at 45 degrees, the corresponding time of the panel is fastest), is similar to the effect of the peep-proof film, can obtain no black matrix structure, and does not have the light leakage display.
The second substrate 130 is disposed on a side of the liquid crystal layer 120 away from the first substrate 110. The second substrate 130 is a color film substrate.
The second substrate 130 is composed of a first glass substrate 131 and a color resist layer 132; the color resistance layer 132 is disposed on a side of the first glass substrate 131 close to the liquid crystal layer 120.
The liquid crystal layer 120 includes: liquid crystal molecules 123, a polymer liquid crystal 121 having charged particles, and a dichroic dye 122.
The charged particles are used to connect the polymer liquid crystal and the dichroic pigment to form a polymer 124, which has a curved surface structure (as shown in fig. 3).
The dichroic dye 122 (i.e., a dichroic dye) mainly has the following properties, the first is a high dichroic ratio, that is, light is transmitted more in a single direction, and extinction coefficients in other directions are stronger; and the addition of dichroic dye in the liquid crystal can improve the contrast and the visual effect of the liquid crystal display.
The dichroic pigment 122 includes a dichroic black dye; the dichroic dye has an absorption axis and can absorb polarized light parallel to the absorption axis.
The dichroic dye 122 includes azo dyes and leek dyes.
The first alignment film 101 is disposed between the liquid crystal layer 120 and the first substrate 110. The second alignment film 103 is disposed between the liquid crystal layer 120 and the second substrate 130.
The first polarizer 102 is disposed on a side of the first alignment film 101 close to the liquid crystal layer 120. The second polarizer 104 is disposed on a side of the second alignment film 103 close to the liquid crystal layer 120.
The dichroic pigment 122 is above the metal traces of the first substrate 110, and the polymer 124 is arranged in a direction perpendicular to the first polarizer 102.
In an embodiment, the light emitted from the backlight on the bottom side is transmitted through the polymer structure and absorbed along the absorption direction of the dichroic pigment 122, and the light irradiated from the upper side is reflected and scattered many times by the curved surface on the metal trace and absorbed by the dichroic pigment 122, so that the black matrix effect in the second substrate 130 can be replaced, and the display panel of an embodiment can be used for a sub-pixel structure without a black matrix and with a high aperture ratio.
An embodiment of the present invention further provides a method for manufacturing the liquid crystal display panel 100 according to an embodiment, including:
s1, providing a first substrate 110 and a second substrate 130, and aligning the first substrate 110 and the second substrate 130.
The second substrate 130 is composed of a first glass substrate and a color resistance layer; the color resistance layer is disposed on a side of the first glass substrate close to the liquid crystal layer 120.
S2, filling liquid crystal molecules 123, polymer liquid crystal 121 having charged particles, and dichroic dye 122 between the first substrate 110 and the second substrate 130.
The charged particles are used to connect the polymer liquid crystal 121 and the dichroic pigment 122 to form a polymer, and the polymer has a curved surface structure.
The dichroic dye 122 (i.e., a dichroic dye) mainly has the following properties, the first is a high dichroic ratio, that is, light is transmitted more in a single direction, and extinction coefficients in other directions are stronger; and the addition of dichroic dye in the liquid crystal can improve the contrast and the visual effect of the liquid crystal display.
The dichroic pigment 122 includes a dichroic black dye; the dichroic dye 122 has an absorption axis and can absorb polarized light parallel to the absorption axis.
The dichromatic element 122 includes azo dyes and leek dyes.
S3, controlling the polymerized liquid crystal and the dichroic pigment to gather a polymer through the charged particles.
S4, providing a mask plate having a light-transmitting region corresponding to the metal trace of the first substrate 110, and illuminating the mask plate to cure the liquid crystal molecules, the polymer liquid crystal, and the charged particles with the dichroic pigment and to electrify the polymer simultaneously.
S5, sequentially forming a first alignment layer 101 and a first polarizer 102 on the first substrate 110 near the second substrate 130, and sequentially forming a second alignment layer 104 and a second polarizer 104 on the second substrate 130 near the first substrate 110.
In an embodiment of the present invention, a method for manufacturing a liquid crystal display panel 100 is provided, in which a polymer liquid crystal (for example, PDLC) containing charged particles is injected or dropped into a liquid crystal cell (between a first substrate 110 and a second substrate 130), and the size of liquid crystal droplets is controlled by controlling process parameters such as light irradiation and mask exposure conditions, so as to obtain a polymer curved surface structure, and dichroic pigments can be arranged above the metal trace and along a direction perpendicular to the second polarizer.
Thus, when light comes out from the backlight at the bottom side, the light can be transmitted through the polymer structure and absorbed along the absorption direction of the dichroic pigment, and the light irradiated from the upper side is absorbed by multiple reflection and scattering through the curved surface on the metal wiring, so that the effect of the black matrix can be replaced, and the aperture ratio of the sub-pixel can be improved.
As shown in fig. 4, another embodiment of the present invention provides a liquid crystal display panel 100a, including: the liquid crystal display device comprises a first substrate 110a, a liquid crystal layer 120a, a second substrate 130a, a first alignment film 101a, a second alignment film 103a, a first polarizer 102a and a second polarizer 104 a.
The first substrate 110a is an array substrate.
The first substrate 110a includes: a second glass substrate 111a, a driving layer 112a, and a planarization layer 113 a.
The driving layer 112a is disposed on the second glass substrate 111 a.
The planarization layer 113a is disposed on the driving layer 112a, and the planarization layer 113a has a plurality of slots 1131a, and the slots 1131a extend downward to the upper surface of the driving layer 112 a.
The liquid crystal display panel 100a further includes: polymer liquid crystals, dichroic pigments, and charged particles.
The charged particles are used to connect the polymer liquid crystal and the dichroic pigment to form a polymer, and the polymer is coated on the planarization layer 113a and filled in the groove 1131a to form a structure 114 a.
The liquid crystal layer 120a is disposed on one side of the first substrate 110 a. The liquid crystal layer 120a includes liquid crystal molecules.
The second substrate 130a is disposed on a side of the liquid crystal layer 120a away from the first substrate 110 a; the structure of the second substrate 130a is the same as that of the embodiment.
The first alignment film 101a is disposed between the liquid crystal layer 120a and the first substrate 110 a. The second alignment film 103a is disposed between the liquid crystal layer 120a and the second substrate 130 a.
The first polarizer 102a is disposed on a side of the first alignment film 101a close to the liquid crystal layer 120 a. The second polarizer 104a is disposed on a side of the second alignment film 103a close to the liquid crystal layer 120 a.
The difference between the embodiment of the present invention and the embodiment is that the polymer liquid crystal, the dichroic pigment, and the charged particles are filled in different positions, another embodiment is in the groove 1131a of the planarization layer 113a, and another embodiment is in the liquid crystal layer 120.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The present invention has been described in detail, and the principle and the implementation of the present invention are explained by applying specific examples, and the description of the above examples is only used to help understanding the technical scheme and the core idea of the present invention; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A liquid crystal display panel, comprising:
a first substrate;
the liquid crystal layer is arranged on one side of the first substrate; and
the second substrate is arranged on one side, far away from the first substrate, of the liquid crystal layer;
wherein the liquid crystal layer includes:
liquid crystal molecules;
a polymer liquid crystal containing charged particles; and
the charged particles are used for polymerizing the polymer liquid crystal and the dichroic pigment to form a polymer.
2. The liquid crystal display panel according to claim 1,
the dichroic pigment comprises a dichroic black dye;
the dichroic dye has an absorption axis and absorbs polarized light parallel to the absorption axis.
3. The liquid crystal display panel according to claim 1,
the first substrate is an array substrate;
the second substrate is a color film substrate.
4. The liquid crystal display panel according to claim 1,
the thickness of the liquid crystal layer is 10-20 um.
5. The liquid crystal display panel according to claim 1,
the dichroic pigment comprises azo dye and leek dye.
6. The liquid crystal display panel according to claim 1,
the second substrate consists of a first glass substrate and a color resistance layer;
the color resistance layer is arranged on one side, close to the liquid crystal layer, of the first glass substrate.
7. The liquid crystal display panel according to claim 1, further comprising:
the first alignment film is arranged between the liquid crystal layer and the first substrate;
and the second alignment film is arranged between the liquid crystal layer and the second substrate.
8. The liquid crystal display panel according to claim 7, further comprising:
the first polaroid is arranged on one side, close to the liquid crystal layer, of the first alignment film;
and the second polaroid is arranged on one side of the second alignment film close to the liquid crystal layer.
9. A liquid crystal display panel, comprising:
a first substrate;
the liquid crystal layer is arranged on one side of the first substrate; and
the second substrate is arranged on one side, far away from the first substrate, of the liquid crystal layer;
wherein the first substrate includes:
a second glass substrate;
the driving layer is arranged on the second glass substrate;
the planarization layer is arranged on the driving layer and provided with a plurality of slotted holes, and the slotted holes extend downwards to the upper surface of the driving layer;
the liquid crystal display panel further includes: polymer liquid crystals, dichroic pigments, and charged particles;
the charged particles are used for connecting the polymer liquid crystal and the dichroic pigment to form a polymer, and the polymer is coated on the planarization layer and filled in the groove holes.
10. A method for manufacturing a liquid crystal display panel according to claim 1, comprising:
providing a first substrate and a second substrate, and aligning the first substrate and the second substrate;
filling liquid crystal molecules, polymer liquid crystal containing charged particles, and a dichroic dye between the first substrate and the second substrate;
controlling the polymerized liquid crystal and the dichroic pigment to aggregate a polymer through the charged particles;
providing a mask plate, wherein the mask plate is provided with a light transmitting area, the light transmitting area corresponds to the metal routing of the first substrate, the mask plate is illuminated to perform curing treatment on the liquid crystal molecules, the polymer liquid crystal and the charged particles by the dichromatic pigment, and the polymer is electrified simultaneously;
and a first laminated alignment film and a first polaroid are sequentially formed on one side of the first substrate close to the second substrate, and a second laminated alignment film and a second polaroid are sequentially formed on one side of the second substrate close to the first substrate.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6559916B1 (en) * | 1995-07-19 | 2003-05-06 | Sony Corporation | Reflective guest-host liquid-crystal display device |
| CN106526932A (en) * | 2016-10-28 | 2017-03-22 | 华南师范大学 | Switchable glass based on subtractive color mixing method |
| CN107577068A (en) * | 2017-08-18 | 2018-01-12 | 深圳市国华光电科技有限公司 | One kind discoloration dimming liquid crystal device and its light regulation method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997044701A1 (en) * | 1996-05-22 | 1997-11-27 | Seiko Epson Corporation | Liquid crystal device and electronic apparatus employing the same |
| US6452650B1 (en) * | 1996-09-25 | 2002-09-17 | Matsushita Electric Industrial Co., Ltd. | Polymer dispersion type liquid crystal display element, producing method therefor and apparatus for use in the producing method |
| KR101598539B1 (en) * | 2009-08-14 | 2016-03-02 | 삼성전자주식회사 | Method of manufacturing polymer dispersed liquid crystal display device having dichroic dye |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6559916B1 (en) * | 1995-07-19 | 2003-05-06 | Sony Corporation | Reflective guest-host liquid-crystal display device |
| CN106526932A (en) * | 2016-10-28 | 2017-03-22 | 华南师范大学 | Switchable glass based on subtractive color mixing method |
| CN107577068A (en) * | 2017-08-18 | 2018-01-12 | 深圳市国华光电科技有限公司 | One kind discoloration dimming liquid crystal device and its light regulation method |
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