WO2021012533A1 - Polariseur et aprareil d'affichage - Google Patents

Polariseur et aprareil d'affichage Download PDF

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Publication number
WO2021012533A1
WO2021012533A1 PCT/CN2019/118795 CN2019118795W WO2021012533A1 WO 2021012533 A1 WO2021012533 A1 WO 2021012533A1 CN 2019118795 W CN2019118795 W CN 2019118795W WO 2021012533 A1 WO2021012533 A1 WO 2021012533A1
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Prior art keywords
layer
display device
organic dye
color filter
substrate
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PCT/CN2019/118795
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English (en)
Chinese (zh)
Inventor
查宝
李吉
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Tcl华星光电技术有限公司
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Publication of WO2021012533A1 publication Critical patent/WO2021012533A1/fr

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
    • G02B5/3041—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks
    • G02B5/305—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks including organic materials, e.g. polymeric layers
    • 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
    • G02F1/133514—Colour filters
    • 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
    • G02F1/133528—Polarisers

Definitions

  • the present invention relates to the field of display technology, in particular to a polarizer and a display device.
  • polarizers in liquid crystal display devices generally use iodine-based polarizers, and iodine-based polarizers are composed of polyvinyl alcohol (PVA) and iodine molecules. Since iodine-based polarizers are easy to obtain polarization characteristics with high polarization and high transmittance, iodine-based polarizers are currently mainly used in liquid crystal displays.
  • PVA polyvinyl alcohol
  • the composition and content of iodine molecules in the polarizer will affect its optical properties.
  • I5- in the iodine molecule has a high absorption efficiency for red light, while I5- has a large molecular weight and is easy to decompose or volatilize and can be decomposed into I3-.
  • I5-in the polarizer In order to prevent the "red change" of the polarizer, it is necessary to increase the content of I5-in the polarizer. Therefore, it is easy to cause excessive blue light leakage when the current liquid crystal display is in the dark state, causing the dark state color point to become blue Case.
  • the embodiments of the present disclosure provide a polarizer and a display device, which are used to solve the problem of excessive blue light leakage in the existing liquid crystal display device in the dark state, which causes the color point of the dark state to become blue.
  • the embodiments of the present disclosure provide a polarizer, including a surface protective layer, a peeling protective layer, and an organic dye layer, and the organic dye layer is configured with organic dyes for absorbing light with a wavelength below 430 nm;
  • the structure of the organic dye is a benzophenone derivative of formula (1) or the structure of the organic dye is a methylene bis-benzotriazolyl tetramethyl butyl phenol derivative of formula (2) Things:
  • both the benzophenone derivative and the methylene bis-benzotriazolyl tetramethyl butyl phenol derivative contain R1, and R1 includes alkoxy, ester, and non-conjugated groups.
  • R1 includes alkoxy, ester, and non-conjugated groups.
  • An embodiment of the present disclosure provides a display device, including: a first substrate on which a first film layer is provided, and an organic dye for absorbing light with a wavelength of less than 430 nm is configured in the first film layer;
  • the structure of the organic dye is a benzophenone derivative of formula (1) or the structure of the organic dye is a methylene bis-benzotriazolyl tetramethyl butyl phenol derivative of formula (2) Things:
  • R1 includes an alkoxy group, an ester group, a straight-chain alkane with a non-conjugated structure, a branched alkane, an F-substituted alkane derivative, a conjugated structure connected by an alkoxy group and an ester group Or compounds containing heterocyclic rings.
  • the first substrate is a polarizer
  • the first film layer is an organic dye layer
  • the polarizer further includes a surface protection layer and a peeling protection layer
  • the organic dye layer is disposed on the Between the surface protective layer and the peeling protective layer.
  • the material of the organic dye layer is one of polystyrene, bisphenol A polycarbonate, polycarbonate, polymethylmethacrylate, polyamide-6, polyurethane, and polyimide. Species, or blocks formed by the polymerization of two or more of the above materials.
  • the display device is a liquid crystal display device
  • the first substrate is a backlight substrate for providing a light source
  • the first film layer is a diffusion sheet.
  • the display device further includes a display panel
  • the backlight substrate further includes a diffuser and a light source
  • the diffuser is disposed on the diffuser on a side close to the display panel
  • the light source is disposed On the side of the diffusion plate away from the diffusion sheet.
  • the display device is a liquid crystal display device
  • the first substrate is a color filter substrate
  • the first film layer is a color filter layer.
  • the color filter layer includes a blue color filter layer, a red color filter layer, and a green color filter layer, and the organic dye is disposed on the blue color filter layer Inside.
  • An embodiment of the present disclosure provides a display device, comprising: a first substrate on which a first film layer is provided, and an organic dye for absorbing light with a wavelength of less than 430 nm is configured in the first film layer,
  • the structure of the organic dye is a benzophenone derivative of formula (1) or the structure of the organic dye is a methylenebis-benzotriazolyl tetramethylbutylphenol derivative of formula (2);
  • R1 includes alkoxy groups, ester groups, straight-chain alkanes with non-conjugated structures, branched alkanes, F-substituted alkane derivatives, conjugated structures connected by alkoxy groups and ester groups, or those containing heterocycles.
  • the first substrate is a polarizer
  • the first film layer is an organic dye layer
  • the polarizer further includes a surface protection layer and a peeling protection layer
  • the organic dye layer is disposed on the Between the surface protective layer and the peeling protective layer.
  • the material of the organic dye layer is one of polystyrene, bisphenol A polycarbonate, polycarbonate, polymethylmethacrylate, polyamide-6, polyurethane, and polyimide. Species, or blocks formed by the polymerization of two or more of the above materials.
  • the display device is a liquid crystal display device
  • the first substrate is a backlight substrate for providing a light source
  • the first film layer is a diffusion sheet.
  • the display device further includes a display panel
  • the backlight substrate further includes a diffuser and a light source
  • the diffuser is disposed on the diffuser on a side close to the display panel
  • the light source is disposed On the side of the diffusion plate away from the diffusion sheet.
  • the display device is a liquid crystal display device
  • the first substrate is a color filter substrate
  • the first film layer is a color filter layer.
  • the color filter layer includes a blue color filter layer, a red color filter layer, and a green color filter layer, and the organic dye is disposed on the blue color filter layer Inside.
  • the beneficial effects of the present disclosure add benzophenone derivatives or methylene bis-benzotriazole tetramethylbutyl in the organic dye layer of the polarizer and the first film layer of the display device.
  • Organic dyes such as phenol derivatives.
  • the organic dyes are used to absorb light with a wavelength below 430nm. Some blue light wavelengths are within this range. This effectively solves the problem of excessive blue light leakage caused by the dark state of the existing liquid crystal display device.
  • the problem of the bluish color point of the state can increase the color performance of the display device while reducing the damage of deep blue light to the human eye.
  • FIG. 1 is a schematic diagram of a cross-sectional structure of a polarizer provided in Embodiment 1 of the disclosure
  • FIG. 2 is a schematic diagram of a cross-sectional structure of the display device provided in the second embodiment of the disclosure.
  • FIG. 3 is a schematic diagram of a cross-sectional structure of a display device provided in a third embodiment of the disclosure.
  • FIG. 4 is a schematic diagram of a cross-sectional structure of a display device provided in the fourth embodiment of the disclosure.
  • the embodiment of the present disclosure provides a polarizer, which will be described in detail below with reference to FIG. 1.
  • FIG. 1 is a schematic cross-sectional structure diagram of a polarizer 100 provided by an embodiment of the disclosure.
  • the polarizer 100 includes a surface protective layer 170, a peeling protective layer 110 and an organic dye layer 130.
  • the organic dye layer 130 is configured with an organic dye for absorbing light with a wavelength below 430 nm.
  • the structure of the organic dye in the organic dye layer 130 is a benzophenone derivative of formula (1):
  • the organic dye in the organic dye layer 130 may also be a methylene bis-benzotriazolyl tetramethyl butyl phenol derivative of structural formula (2):
  • both the benzophenone derivative and the methylenebis-benzotriazolyltetramethylbutylphenol derivative contain R1, and the R1 includes an alkoxy group or an ester group, wherein the alkoxy group and The length range of the carbon chain in the ester group is 1-25.
  • the R1 may be a linear alkane with a non-conjugated structure or a branched alkane, a linear or branched alkane of an alkoxy group, a conjugated alkane connected through an alkoxy group and an ester group. structure.
  • the R1 may also be an F-substituted alkane derivative, and the carbon chain of the F-substituted alkane derivative ranges from 1-25.
  • the R1 may also be a compound containing a heterocyclic ring or other groups with the same chemical properties and functions.
  • the heterocyclic ring-containing compound is a five-membered heterocyclic compound, a six-membered heterocyclic compound, a benzoheterocyclic compound, and a condensed ring heterocyclic compound.
  • Five-membered heterocyclic compounds include furan, thiophene, pyrrole, thiazole, and imidazole;
  • six-membered heterocyclic compounds include pyridine, pyrazine, pyrimidine, and pyridazine;
  • fused-ring heterocyclic compounds include indole, quinoline, pteridine, and acridine.
  • the material of the organic dye layer 130 mainly includes polystyrene, bisphenol A polycarbonate, polycarbonate, polymethylmethacrylate, polyamide-6, polyurethane, and polyimide.
  • the molecular weight of the block is in the range of 1,000 to 20,000.
  • the thickness of the organic dye layer 130 containing the organic dye ranges from 100 nm to 3000 nm.
  • the polarizer further includes a first protective layer 160, a polarizing sub-layer 150, a second protective layer 140, and an adhesion layer 120.
  • the first protective layer 160 is disposed on the side of the surface protective layer 170 close to the peeling protective layer 110
  • the second protective layer 140 is disposed on the first protective layer 160 away from the surface protective layer 170
  • the polarizing sub-layer 150 is disposed between the first protective layer 160 and the second protective layer 140
  • the adhesive layer 120 is disposed between the organic dye layer 130 and the peeling protective layer 110.
  • organic dyes such as benzophenone derivatives or methylene bis-benzotriazole tetramethyl butyl phenol derivatives are added to the organic dye layer 130 of the polarizer 100.
  • the organic dyes are used Since it absorbs light with a wavelength below 430nm, part of the blue light wavelength is within this range, so that it can effectively absorb the blue light in the light emitted by the light source while acting as a polarizer.
  • the embodiment of the present disclosure also provides a display device, which will be described in detail below with reference to FIG. 2.
  • FIG. 2 is a schematic cross-sectional structure diagram of a display device provided by an embodiment of the disclosure.
  • the display device 200 includes a first substrate 210 on which a first film layer 213 is provided, and an organic dye for absorbing light with a wavelength of less than 430 nm is configured in the first film layer 213.
  • the display device 200 is a liquid crystal display device
  • the first substrate 210 is a polarizer
  • the first film layer 213 is an organic dye layer
  • the polarizer 210 further includes a surface protection layer 217 and The protective layer 211 is peeled off, and the organic dye layer 213 is disposed between the surface protective layer 217 and the peeling protective layer 211.
  • the organic dye in the organic dye layer 130 is a benzophenone derivative whose structure is represented by formula (1):
  • the organic dye in the organic dye layer 213 may also be a methylene bis-benzotriazolyl tetramethyl butyl phenol derivative represented by formula (2):
  • both the benzophenone derivative and the methylene bis-benzotriazolyl tetramethyl butyl phenol derivative contain R1, and the R1 includes an alkoxy group or an ester group, wherein the alkoxy group and The length range of the carbon chain in the ester group is 1-25.
  • the R1 may be a linear alkane with a non-conjugated structure or a branched alkane, a linear or branched alkane of an alkoxy group, a conjugated alkane connected through an alkoxy group and an ester group. structure.
  • the R1 may also be an F-substituted alkane derivative, and the carbon chain of the F-substituted alkane derivative ranges from 1-25.
  • the R1 may also be a compound containing a heterocyclic ring or other groups with the same chemical properties and functions.
  • the heterocyclic ring-containing compound is a five-membered heterocyclic compound, a six-membered heterocyclic compound, a benzoheterocyclic compound, and a condensed ring heterocyclic compound.
  • Five-membered heterocyclic compounds include furan, thiophene, pyrrole, thiazole, and imidazole;
  • six-membered heterocyclic compounds include pyridine, pyrazine, pyrimidine, and pyridazine;
  • fused-ring heterocyclic compounds include indole, quinoline, pteridine, and acridine.
  • the polarizer 210 further includes a first protective layer 216, a polarizing sub-layer 215, a second protective layer 214, and an adhesion layer 212.
  • the first protective layer 216 is disposed on the side of the surface protective layer 217 close to the peeling protective layer 211
  • the second protective layer 214 is disposed on the first protective layer 216 away from the surface protective layer 217
  • the polarizing sub-layer 215 is disposed between the first protective layer 216 and the second protective layer 214
  • the adhesive layer 212 is disposed between the organic dye layer 213 and the peeling protective layer 211.
  • the material of the organic dye layer 213 mainly includes polystyrene, bisphenol A polycarbonate, polycarbonate, polymethylmethacrylate, polyamide-6, polyurethane, and polyimide.
  • the molecular weight of the block is in the range of 1,000 to 20,000.
  • the thickness of the organic dye layer 130 containing organic dye is in the range of 100 nm to 3000 nm.
  • the display device 200 further includes a color filter substrate, an array substrate, and a backlight module (not shown in the figure) that are arranged oppositely, and the polarizer 210 containing organic dyes is arranged on the color filter substrate away from all The array substrate side.
  • the polarizer 210 containing organic dyes may also be disposed between the array substrate and the backlight module.
  • organic dyes such as benzophenone derivatives or methylene bis-benzotriazole tetramethyl butyl phenol derivatives are added to the organic dye layer 213 of the polarizer 210.
  • the organic dyes are used It absorbs light with a wavelength lower than 430nm, and some blue light wavelengths are within this range, so as to effectively solve the problem of excessive blue light leakage in the dark state of the existing liquid crystal display device, which helps Increasing the color performance capability of the display device can also reduce the damage of deep blue light to human eyes.
  • the embodiment of the present disclosure provides a display device, which will be described in detail below with reference to FIG. 3.
  • FIG. 3 is a schematic cross-sectional structure diagram of a display device provided by an embodiment of the disclosure.
  • the display device 300 includes a first substrate 310 on which a first film layer 315 is provided, and an organic dye for absorbing light with a wavelength of less than 430 nm is configured in the first film layer 315.
  • the display device 300 is a liquid crystal display device
  • the first substrate 310 is a backlight substrate for providing a light source
  • the first film layer 213 is a diffusion sheet.
  • the display device 300 further includes a display panel 320
  • the backlight substrate 310 further includes a light source 311, a reflective plate 312, an outer frame 313, a diffusion plate 314, and an incremental film 316.
  • the diffusion sheet 315 is disposed on the The diffusion plate 314 is close to the display panel 320 and the light source 311 is disposed on the diffusion plate 314 away from the diffusion sheet 314.
  • the organic dye in the diffusion sheet 213 is a benzophenone derivative whose structure is represented by formula (1):
  • the organic dye in the diffusion sheet 213 may also be a methylene bis-benzotriazolyl tetramethyl butyl phenol derivative represented by formula (2):
  • both the benzophenone derivative and the methylenebis-benzotriazolyltetramethylbutylphenol derivative contain R1, and the R1 includes an alkoxy group or an ester group, wherein the alkoxy group and The length range of the carbon chain in the ester group is 1-25.
  • the R1 may be a linear alkane with a non-conjugated structure or a branched alkane, a linear or branched alkane of an alkoxy group, a conjugated alkane connected through an alkoxy group and an ester group. structure.
  • the R1 may also be an F-substituted alkane derivative, and the carbon chain of the F-substituted alkane derivative ranges from 1-25.
  • the R1 may also be a compound containing a heterocyclic ring or other groups with the same chemical properties and functions.
  • the heterocyclic ring-containing compound is a five-membered heterocyclic compound, a six-membered heterocyclic compound, a benzoheterocyclic compound, and a condensed ring heterocyclic compound.
  • Five-membered heterocyclic compounds include furan, thiophene, pyrrole, thiazole, and imidazole;
  • six-membered heterocyclic compounds include pyridine, pyrazine, pyrimidine, and pyridazine;
  • fused-ring heterocyclic compounds include indole, quinoline, pteridine, and acridine.
  • the diffuser plate 314 is used to support other optical films in the backlight substrate 310, and the optical film is placed to sag to affect the optical effect.
  • the incremental film 316 re-uses the light through the reflection of light to improve the brightness of the light source as a whole, and the diffuser 315 produces diffuse reflection of light through the diffusion coating, so that the light is evenly distributed.
  • organic dyes such as benzophenone derivatives or methylene bis-benzotriazole tetramethyl butyl phenol derivatives to the diffuser.
  • the organic dyes are used to absorb light with a wavelength below 430 nm, part of the blue light
  • the wavelength is within this range, so as to effectively solve the problem of excessive blue light leakage in the existing liquid crystal display device in the dark state, which leads to the blue color point of the dark state, which helps to increase the color performance ability of the display device and can also Reduce the damage of deep blue light to human eyes.
  • the present disclosure still provides a display device, which will be described in detail below in conjunction with FIG. 4.
  • FIG. 4 is a schematic cross-sectional structure diagram of a display device 400 provided by an embodiment of the disclosure.
  • the display device 400 includes a first substrate 410 on which a first film layer 412 is provided, and an organic dye for absorbing light with a wavelength of less than 430 nm is configured in the first film layer 412.
  • the display device 400 is a liquid crystal display device
  • the first substrate 410 is a color filter substrate
  • the first film layer 412 is a color filter layer.
  • the color filter layer 412 includes a red color filter layer 413, a blue color filter layer 414, and a green color filter layer 415, and the organic dye is disposed on the blue color filter layer Within 414.
  • the organic dye in the blue color filter layer 414 is a benzophenone derivative whose structure is represented by formula (1):
  • the organic dye in the blue color filter layer 414 may also be a methylene bis-benzotriazolyl tetramethyl butyl phenol derivative represented by formula (2):
  • both the benzophenone derivative and the methylenebis-benzotriazolyltetramethylbutylphenol derivative contain R1, and the R1 includes an alkoxy group or an ester group, wherein the alkoxy group and The length range of the carbon chain in the ester group is 1-25.
  • the R1 may be a linear alkane with a non-conjugated structure or a branched alkane, a linear or branched alkane of an alkoxy group, a conjugated alkane connected through an alkoxy group and an ester group. structure.
  • the R1 may also be an F-substituted alkane derivative, and the carbon chain of the F-substituted alkane derivative ranges from 1-25.
  • the R1 may also be a compound containing a heterocyclic ring or other groups with the same chemical properties and functions.
  • the heterocyclic ring-containing compound is a five-membered heterocyclic compound, a six-membered heterocyclic compound, a benzoheterocyclic compound, and a condensed ring heterocyclic compound.
  • Five-membered heterocyclic compounds include furan, thiophene, pyrrole, thiazole, and imidazole;
  • six-membered heterocyclic compounds include pyridine, pyrazine, pyrimidine, and pyridazine;
  • fused-ring heterocyclic compounds include indole, quinoline, pteridine, and acridine.
  • the blue color film filter layer when fabricating the blue color film filter layer, it is necessary to dissolve the organic dye in propylene glycol methyl ether acetate (PGMEA), and evenly disperse it in the blue color film photoresist, after coating and pre-baking , Exposure, development and baking processes can obtain a blue color filter layer that absorbs light with a wavelength of less than 430nm.
  • PMEA propylene glycol methyl ether acetate
  • organic dyes such as benzophenone derivatives or methylenebis-benzotriazole tetramethylbutylphenol derivatives are added to the blue color filter layer 414 of the liquid crystal display device 400, when When the light emitted by the light source passes through the blue color filter layer 414, the light with a wavelength below 430nm can be absorbed by the organic dye, thereby effectively solving the dark state of the existing liquid crystal display device, and excessive blue light leakage causes dark state color points The bluish issue helps increase the color performance of the display device while reducing the damage to human eyes caused by deep blue light.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Polarising Elements (AREA)
  • Liquid Crystal (AREA)
  • Optical Filters (AREA)

Abstract

L'invention concerne un polariseur (100, 210) et un appareil d'affichage (200, 300, 400). Le polariseur (100, 210) comprend une couche de protection de surface (170, 217), une couche protectrice de décapage (110, 211) et une couche de colorant organique (130, 213), la couche de colorant organique (130, 213) étant configurée avec un colorant organique pour absorber la lumière ayant une longueur d'onde inférieure à 430 nm. Le polariseur peut résoudre le problème selon lequel un point de couleur d'état sombre tend à être bleu en raison de la fuite excessive de lumière bleue où l'appareil d'affichage existant est dans un état sombre, peut améliorer la capacité de performance de couleur de l'appareil d'affichage (200, 300, 400), et peut également réduire les dommages causés aux yeux humains provoqués par une lumière bleue profonde.
PCT/CN2019/118795 2019-07-25 2019-11-15 Polariseur et aprareil d'affichage WO2021012533A1 (fr)

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CN110361806B (zh) * 2019-07-25 2021-04-02 Tcl华星光电技术有限公司 碘系偏光片及显示装置
CN110703491A (zh) * 2019-10-23 2020-01-17 深圳市华星光电技术有限公司 偏光片及显示装置
CN114371571B (zh) * 2022-02-28 2024-05-17 武汉京东方光电科技有限公司 复合偏光片和显示装置

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CN110361806A (zh) * 2019-07-25 2019-10-22 深圳市华星光电技术有限公司 偏光片及显示装置

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