WO2016179906A1 - 液晶显示面板及液晶显示装置 - Google Patents

液晶显示面板及液晶显示装置 Download PDF

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Publication number
WO2016179906A1
WO2016179906A1 PCT/CN2015/085390 CN2015085390W WO2016179906A1 WO 2016179906 A1 WO2016179906 A1 WO 2016179906A1 CN 2015085390 W CN2015085390 W CN 2015085390W WO 2016179906 A1 WO2016179906 A1 WO 2016179906A1
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Prior art keywords
layer
liquid crystal
crystal display
polarizing
display panel
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PCT/CN2015/085390
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English (en)
French (fr)
Inventor
孙海雁
李得俊
杨宗颖
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Wuhan China Star Optoelectronics Technology Co Ltd
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Wuhan China Star Optoelectronics Technology Co Ltd
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    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528Polarisers
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/30Polarising elements
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/30Polarising elements
    • G02B5/3025Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • G02B5/3033Polarisers, 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
    • G02B5/3041Polarisers, 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
    • G02B5/305Polarisers, 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
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors

Definitions

  • the present invention relates to the field of liquid crystal display, and in particular to a liquid crystal display panel and a liquid crystal display device.
  • the short-wave blue light emitted by the liquid crystal display device has energy second only to ultraviolet rays, and can easily penetrate the eyeball and reach the retina, thus having certain damage to the human eye.
  • Some existing liquid crystal display devices with eye protection function by sticking an anti-blue light protection film on the light emitting side of the liquid crystal display panel to filter out blue light having a wavelength below 400 nm, but the anti-blue light protection film also lowers the liquid crystal display panel. The brightness is displayed to affect the backlight efficiency of the liquid crystal display device.
  • An object of the present invention is to provide a liquid crystal display panel and a liquid crystal display device which can protect the human eye and ensure high backlight efficiency, and solve the problem that the existing liquid crystal display panel and the liquid crystal display device have certain damage to the human eye. And backlight efficiency technical issues.
  • the embodiment of the present invention provides a liquid crystal display panel, which includes an array substrate, a color filter substrate, and a liquid crystal layer disposed between the array substrate and the color filter substrate.
  • the liquid crystal display panel further includes:
  • a polarizing plate disposed on an outer side of the array substrate and an outer side of the color filter substrate;
  • At least one of the polarizing plates includes:
  • a polarizing layer for emitting light after the incident light is emitted
  • a support layer disposed on an upper side and a lower side of the polarizing layer for protecting the polarizing layer
  • a protective layer for isolating the polarizing layer from an external environment, the protective layer being connected to the supporting layer through an adhesive layer;
  • a quantum dot film disposed between the polarizing layer and the support layer, between the support layer and the bonding layer, or between the bonding layer and the protective layer, for using a wavelength less than The incident light of 400 nm is converted into incident light having a wavelength greater than 400 nm;
  • the quantum dot film comprises quantum dots and a filling resin filled between the quantum dots;
  • the material of the polarizing layer is polyvinyl alcohol; the material of the supporting layer is cellulose triacetate; and the material of the bonding layer is polyisobutylene.
  • the embodiment of the present invention provides a liquid crystal display panel, which includes an array substrate, a color filter substrate, and a liquid crystal layer disposed between the array substrate and the color filter substrate.
  • the liquid crystal display panel further includes:
  • a polarizing plate disposed on an outer side of the array substrate and an outer side of the color filter substrate;
  • At least one of the polarizing plates includes:
  • a polarizing layer for emitting light after the incident light is emitted
  • a support layer disposed on an upper side and a lower side of the polarizing layer for protecting the polarizing layer
  • a protective layer for isolating the polarizing layer from an external environment, the protective layer being connected to the supporting layer through an adhesive layer;
  • a quantum dot film disposed between the polarizing layer and the support layer, between the support layer and the bonding layer, or between the bonding layer and the protective layer, for using a wavelength less than
  • the incident light of 400 nm is converted into incident light having a wavelength greater than 400 nm.
  • the quantum dot film includes quantum dots and a filling resin filled between the quantum dots.
  • the quantum dots have a particle diameter of 2 nm to 3 nm.
  • the material of the quantum dots is at least one of CdS, CdSe, CdTe, ZnSe, InP, and InAs.
  • the material of the polarizing layer is polyvinyl alcohol.
  • the material of the support layer is cellulose triacetate.
  • the material of the bonding layer is polyisobutylene.
  • the quantum dot film when the quantum dot film is disposed between the polarizing layer and the support layer, the quantum dot film is coated on a surface of the polarizing layer.
  • the quantum dot film when the quantum dot film is disposed between the support layer and the bonding layer, or between the bonding layer and the protective layer, The quantum dot film is subjected to surface hardness treatment to prevent scratching of the surface of the polarizing plate.
  • An embodiment of the present invention further provides a liquid crystal display device including a liquid crystal display panel and a backlight;
  • the liquid crystal display panel includes an array substrate, a color filter substrate, and a liquid crystal layer disposed between the array substrate and the color filter substrate; wherein the liquid crystal display panel further includes:
  • a polarizing plate disposed on an outer side of the array substrate and an outer side of the color filter substrate;
  • At least one of the polarizing plates includes:
  • a polarizing layer for emitting light after the incident light is emitted
  • a support layer disposed on an upper side and a lower side of the polarizing layer for protecting the polarizing layer
  • a protective layer for isolating the polarizing layer from an external environment, the protective layer being connected to the supporting layer through an adhesive layer;
  • a quantum dot film disposed between the polarizing layer and the support layer, between the support layer and the bonding layer, or between the bonding layer and the protective layer, for using a wavelength less than
  • the incident light of 400 nm is converted into incident light having a wavelength greater than 400 nm.
  • the quantum dot film includes quantum dots and a filling resin filled between the quantum dots.
  • the quantum dots have a particle diameter of 2 nm to 3 nm.
  • the material of the quantum dot is at least one of CdS, CdSe, CdTe, ZnSe, InP, and InAs.
  • the material of the polarizing layer is polyvinyl alcohol.
  • the material of the support layer is cellulose triacetate.
  • the material of the adhesive layer is polyisobutylene.
  • the quantum dot film when the quantum dot film is disposed between the polarizing layer and the support layer, the quantum dot film is coated on a surface of the polarizing layer.
  • the quantum dot film when the quantum dot film is disposed between the support layer and the bonding layer, or between the bonding layer and the protective layer, The quantum dot film is subjected to surface hardness treatment to prevent scratching of the surface of the polarizing plate.
  • the liquid crystal display panel and the liquid crystal display device of the present invention convert the harmful blue light that damages the human eye through the arrangement of the quantum dot film, thereby protecting the human eye and ensuring
  • the backlight efficiency of the liquid crystal display device solves the problem that the conventional liquid crystal display panel and the liquid crystal display device have certain damage to the human eye and the backlight efficiency is technical.
  • FIG. 1 is a schematic structural view of a preferred embodiment of a liquid crystal display panel of the present invention.
  • FIG. 2A is a schematic structural view of a polarizing plate of a first preferred embodiment of a liquid crystal display panel of the present invention
  • FIG. 2B is a second structural schematic view of a polarizing plate of a first preferred embodiment of the liquid crystal display panel of the present invention
  • FIG. 3 is a schematic structural view of a polarizing plate of a second preferred embodiment of the liquid crystal display panel of the present invention.
  • FIG. 4 is a schematic structural view of a polarizing plate of a third preferred embodiment of the liquid crystal display panel of the present invention.
  • FIG. 1 is a schematic structural view of a preferred embodiment of a liquid crystal display panel of the present invention.
  • the liquid crystal display panel 10 of the preferred embodiment includes an array substrate 11, a color filter substrate 12, a liquid crystal layer 13 disposed between the array substrate 11 and the color filter substrate 12, and a polarizing plate 14 disposed on the outer side of the array substrate 11. And the outer side of the color filter substrate 12.
  • At least one of the polarizing plates 14 in the liquid crystal display panel 10 of the preferred embodiment includes a quantum dot film 145 to convert incident light having a wavelength of less than 400 nm incident into the liquid crystal display panel 10.
  • the polarizing plate 14 having the quantum dot film 145 may be disposed outside the array substrate 11, or may be disposed outside the color filter substrate 12, or may be disposed on the outer side of the array substrate 11 and the outside of the color filter substrate 12 (this conversion) The most efficient).
  • the manufacturer of the liquid crystal display panel 10 can effectively set the quantum dot film 145 according to specific needs and conversion efficiency.
  • FIG. 2A is a schematic structural view of a polarizing plate of a first preferred embodiment of the liquid crystal display panel of the present invention
  • FIG. 2B is a polarizing plate of the first preferred embodiment of the liquid crystal display panel of the present invention.
  • the polarizing plate 14 includes a polarizing layer 141, a supporting layer 142, a protective layer 143, and a quantum dot film 145.
  • the polarizing layer 141 is used for polarizing the incident light, and is preferably a polyvinyl alcohol (Polyvinyl).
  • a support layer 142 is disposed on the upper side and the lower side of the polarizing layer 141 for protecting the polarizing layer 141, which is preferably Tri Acetic acid Celluose, TAC); the protective layer 143 is used to isolate the polarizing layer 141 from the external environment, and the protective layer 143 is connected to the supporting layer 142 through the bonding layer 144.
  • TAC Tri Acetic acid Celluose
  • the quantum dot film 145 is disposed between the polarizing layer 141 and the support layer 142 for converting incident light having a wavelength of less than 400 nm into incident light having a wavelength of more than 400 nm.
  • the quantum dot film 145 includes quantum dots 1451 and a filling resin 1452 filled between the quantum dots 1451.
  • the quantum dot 1451 has a particle diameter of 2 nm to 3 nm, and the material of the quantum dot 1451 may be composed of a semiconductor material such as at least one of CdS, CdSe, CdTe, ZnSe, InP, and InAs.
  • the quantum dot film 145 can emit long-wave blue light having a wavelength of 400 nm to 480 nm under the excitation of short-wave blue light having a wavelength of 400 nm or less, thereby avoiding the harm of short-wave blue light to the human eye.
  • the quantum dot film 145 does not filter the short-wave blue light, but converts it into long-wave blue light, and thus has little effect on the backlight efficiency of the liquid crystal display device.
  • the quantum dot film 145 may be coated on the surface of the polarizing layer 141 or the surface of the support layer 142, the quantum dot film 145 in FIG. 2A is coated on the outer surface of the polarizing layer 141, and the quantum dot film 145 in FIG. 2B is coated on the polarizing film.
  • the inner surface of layer 141 This does not affect the attaching operation between the polarizing plate 14 and the array substrate 11 and the color filter substrate 12, and does not require an additional process.
  • the quantum dot film 145 is disposed on the outer surface of the polarizing layer 141, as shown in FIG. 2A, external moisture can be effectively prevented from entering the polarizing layer 141, which affects the polarizing effect of the polarizing layer 141.
  • the liquid crystal display panel of the preferred embodiment converts the harmful blue light that damages the human eye through the arrangement of the quantum dot film, thereby protecting the human eye and ensuring the backlight efficiency of the liquid crystal display device.
  • FIG. 3 is a schematic structural view of a polarizing plate according to a second preferred embodiment of the liquid crystal display panel of the present invention.
  • the polarizing plate 24 of the preferred embodiment includes a polarizing layer 241, a supporting layer 242, a protective layer 243, and a quantum dot film 245.
  • the polarizing layer 241 is used for polarizing the incident light and then emitted;
  • the supporting layer 242 is disposed on the upper side and the lower side of the polarizing layer 241 for protecting the polarizing layer 241;
  • the protective layer 243 is used for isolating the polarizing layer 241 from the external environment.
  • the protective layer 243 is connected to the support layer 242 through the adhesive layer 244.
  • the quantum dot film 245 of the preferred embodiment is disposed between the support layer 242 and the bonding layer 244 for converting incident light having a wavelength of less than 400 nm into incident light having a wavelength greater than 400 nm.
  • the quantum dot film 245 can also emit long-wave blue light having a wavelength of 400 nm to 480 nm under the excitation of short-wave blue light having a wavelength of 400 nm or less, thereby avoiding the harm of short-wave blue light to the human eye.
  • the quantum dot film 245 does not filter the short-wave blue light, but converts it into long-wave blue light, and thus has little effect on the backlight efficiency of the liquid crystal display device.
  • the quantum dot film 245 can be coated on the surface of the support layer 242. If the hardness treatment is performed directly on the surface of the quantum dot film 245, the surface of the support layer 242 need not be surface-treated, and the surface of the polarizing plate 24 can be effectively prevented from being scratched.
  • the liquid crystal display panel of the preferred embodiment can further enhance the firmness of the connection between the support layer and the bonding layer on the basis of the first preferred embodiment.
  • FIG. 4 is a schematic structural view of a polarizing plate according to a third preferred embodiment of the liquid crystal display panel of the present invention.
  • the polarizing plate 34 of the preferred embodiment includes a polarizing layer 341, a supporting layer 342, a protective layer 343, and a quantum dot film 345.
  • the polarizing layer 341 is used for polarizing the incident light and then emitted;
  • the supporting layer 342 is disposed on the upper side and the lower side of the polarizing layer 341 for protecting the polarizing layer 341;
  • the protective layer 343 is used for isolating the polarizing layer 341 from the external environment.
  • the protective layer 343 is connected to the support layer 342 through the adhesive layer 344.
  • the quantum dot film 345 of the preferred embodiment is disposed between the bonding layer 344 and the protective layer 343 for converting incident light having a wavelength of less than 400 nm into incident light having a wavelength of more than 400 nm.
  • the quantum dot film 345 can also emit long-wave blue light having a wavelength of 400 nm to 480 nm under the excitation of short-wave blue light having a wavelength of 400 nm or less, thereby avoiding the harm of short-wave blue light to the human eye.
  • the quantum dot film 345 does not filter the short-wave blue light, but converts it into long-wave blue light, and thus has little effect on the backlight efficiency of the liquid crystal display device.
  • the quantum dot film 345 can also be placed in the protective layer 343. If the quantum dot film 345 is subjected to a hardness treatment, the surface of the support layer 342 can be prevented from being scratched, and the surface of the polarizing plate 34 can be effectively prevented from being scratched.
  • the liquid crystal display panel of the preferred embodiment can further enhance the firmness of the connection between the protective layer and the adhesive layer on the basis of the first preferred embodiment.
  • the present invention also provides a liquid crystal display device including a liquid crystal display panel and a backlight.
  • the liquid crystal display panel includes an array substrate, a color filter substrate, a liquid crystal layer disposed between the array substrate and the color filter substrate, and a polarizing plate disposed on an outer side of the array substrate and outside of the color filter substrate.
  • the polarizing plate includes a polarizing layer, a supporting layer, a protective layer, and a quantum dot film.
  • the polarizing layer is used for polarizing the incident light and then emitted;
  • the supporting layer is disposed on the upper side and the lower side of the polarizing layer for protecting the polarizing layer;
  • the protective layer is used for isolating the polarizing layer from the external environment, and the protective layer is adhered
  • the junction layer is connected to the support layer.
  • the quantum dot film is disposed between the polarizing layer and the support layer, between the support layer and the bonding layer, or between the bonding layer and the protective layer, for converting incident light having a wavelength of less than 400 nm into incident light having a wavelength greater than 400 nm.
  • the quantum dot film comprises quantum dots and a filling resin filled between the quantum dots.
  • the quantum dots have a particle diameter of from 2 nm to 3 nm.
  • the material of the quantum dot is at least one of CdS, CdSe, CdTe, ZnSe, InP, and InAs.
  • the material of the polarizing layer is polyvinyl alcohol.
  • the material of the support layer is cellulose triacetate.
  • the material of the bonding layer is polyisobutylene.
  • the quantum dot film is coated on the surface of the polarizing layer.
  • the quantum dot film is subjected to a hardness treatment when the equivalent sub-point film is disposed between the support layer and the adhesive layer or between the adhesive layer and the protective layer.
  • the specific working principle of the liquid crystal display device of the present invention is the same as or similar to that described in the preferred embodiment of the liquid crystal display panel.
  • the liquid crystal display panel and the liquid crystal display device of the invention convert the harmful blue light which damages the human eye through the arrangement of the quantum dot film, thereby protecting the human eye and ensuring the backlight efficiency of the liquid crystal display device; and solving the existing liquid crystal
  • the display panel and the liquid crystal display device have certain damage to the human eye and have technical problems in backlight efficiency.

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

Abstract

一种液晶显示面板及液晶显示装置,该液晶显示面板(10)包括阵列基板(11)、彩膜基板(12)、设置在阵列基板(11)和彩膜基板(12)之间的液晶层(13)以及偏光板(14);偏光板(14)包括偏光层(141)、支撑层(142)、保护层(143)以及量子点膜(145);该量子点膜(145)用于将波长小于400nm的入射光转换为波长大于400nm的入射光。

Description

液晶显示面板及液晶显示装置 技术领域
本发明涉及液晶显示领域,特别是涉及一种液晶显示面板及液晶显示装置。
背景技术
随着科技的发展,使用液晶显示装置进行工作、娱乐以及学习的用户越来越多,因此人们也越来越重视液晶显示装置对人体的危害。
液晶显示装置发出的短波蓝光,其具有仅次于紫外线的能量,能够轻易的穿透眼球,直达视网膜,因此对人眼具有一定的损害。现有的一些具有护眼功能的液晶显示装置,其通过在液晶显示面板的出光侧粘贴防蓝光保护膜,以过滤掉波长在400nm以下的蓝光,但是防蓝光保护膜同样会降低液晶显示面板的显示亮度,从而影响液晶显示装置的背光效率。
故,有必要提供一种液晶显示面板及液晶显示装置,以解决现有技术所存在的问题。
技术问题
本发明的目的在于提供一种可保护人眼、且保证了较高的背光效率的液晶显示面板及液晶显示装置;以解决现有的液晶显示面板及液晶显示装置的对人眼有一定的损害且背光效率技术问题。
技术解决方案
本发明实施例提供一种液晶显示面板,其包括阵列基板、彩膜基板以及设置在所述阵列基板和所述彩膜基板之间的液晶层;其中所述液晶显示面板还包括:
偏光板,设置在所述阵列基板的外侧和所述彩膜基板的外侧;
其中至少一个所述偏光板包括:
偏光层,用于对入射光进行偏光处理后出射;
支撑层,设置在所述偏光层的上侧以及下侧,用于保护所述偏光层;
保护层,用于将所述偏光层与外界环境进行隔离,所述保护层通过粘结层与所述支撑层连接;以及
量子点膜,设置在所述偏光层和所述支撑层之间、所述支撑层和所述粘结层之间、或所述粘结层和所述保护层之间,用于将波长小于400nm的入射光转换为波长大于400nm的入射光;
其中所述量子点膜包括量子点以及填充在所述量子点之间的填充树脂;
所述偏光层的材料为聚乙烯醇;所述支撑层的材料为三醋酸纤维素;所述粘结层的材料为聚异丁烯。
本发明实施例提供一种液晶显示面板,其包括阵列基板、彩膜基板以及设置在所述阵列基板和所述彩膜基板之间的液晶层;其中所述液晶显示面板还包括:
偏光板,设置在所述阵列基板的外侧和所述彩膜基板的外侧;
其中至少一个所述偏光板包括:
偏光层,用于对入射光进行偏光处理后出射;
支撑层,设置在所述偏光层的上侧以及下侧,用于保护所述偏光层;
保护层,用于将所述偏光层与外界环境进行隔离,所述保护层通过粘结层与所述支撑层连接;以及
量子点膜,设置在所述偏光层和所述支撑层之间、所述支撑层和所述粘结层之间、或所述粘结层和所述保护层之间,用于将波长小于400nm的入射光转换为波长大于400nm的入射光。
在本发明所述的液晶显示面板中,所述量子点膜包括量子点以及填充在所述量子点之间的填充树脂。
在本发明所述的液晶显示面板中,所述量子点的粒径为2nm至3nm。
在本发明所述的液晶显示面板中,所述量子点的材料为CdS、CdSe、CdTe、ZnSe、InP以及InAs中的至少一种。
在本发明所述的液晶显示面板中,所述偏光层的材料为聚乙烯醇。
在本发明所述的液晶显示面板中,所述支撑层的材料为三醋酸纤维素。
在本发明所述的液晶显示面板中,所述粘结层的材料为聚异丁烯。
在本发明所述的液晶显示面板中,当所述量子点膜设置在所述偏光层和所述支撑层之间时,所述量子点膜涂布在所述偏光层的表面。
在本发明所述的液晶显示面板中,当所述量子点膜设置在所述支撑层和所述粘结层之间、或所述粘结层和所述保护层之间时,对所述量子点膜进行表面硬度处理,以防止所述偏光板表面划伤。
本发明实施例还提供一种液晶显示装置,其包括液晶显示面板及背光源;
所述液晶显示面板包括阵列基板、彩膜基板以及设置在所述阵列基板和所述彩膜基板之间的液晶层;其中所述液晶显示面板还包括:
偏光板,设置在所述阵列基板的外侧和所述彩膜基板的外侧;
其中至少一个所述偏光板包括:
偏光层,用于对入射光进行偏光处理后出射;
支撑层,设置在所述偏光层的上侧以及下侧,用于保护所述偏光层;
保护层,用于将所述偏光层与外界环境进行隔离,所述保护层通过粘结层与所述支撑层连接;以及
量子点膜,设置在所述偏光层和所述支撑层之间、所述支撑层和所述粘结层之间、或所述粘结层和所述保护层之间,用于将波长小于400nm的入射光转换为波长大于400nm的入射光。
在本发明所述的液晶显示装置中,所述量子点膜包括量子点以及填充在所述量子点之间的填充树脂。
在本发明所述的液晶显示装置中,所述量子点的粒径为2nm至3nm。
在本发明所述的液晶显示装置中,所述量子点的材料为CdS、CdSe、CdTe、ZnSe、InP以及InAs中的至少一种。
在本发明所述的液晶显示装置中,所述偏光层的材料为聚乙烯醇。
在本发明所述的液晶显示装置中,所述支撑层的材料为三醋酸纤维素。
在本发明所述的液晶显示装置中,所述粘结层的材料为聚异丁烯。
在本发明所述的液晶显示装置中,当所述量子点膜设置在所述偏光层和所述支撑层之间时,所述量子点膜涂布在所述偏光层的表面。
在本发明所述的液晶显示装置中,当所述量子点膜设置在所述支撑层和所述粘结层之间、或所述粘结层和所述保护层之间时,对所述量子点膜进行表面硬度处理,以防止所述偏光板表面划伤。
有益效果
相较于现有的液晶显示面板及液晶显示装置,本发明的液晶显示面板及液晶显示装置通过量子点膜的设置对损害人眼的有害蓝光进行了转换,这样即保护了人眼,又保证了液晶显示装置的背光效率;解决了现有的液晶显示面板及液晶显示装置的对人眼有一定的损害且背光效率技术问题。
附图说明
图1为本发明的液晶显示面板的优选实施例的结构示意图;
图2A为本发明的液晶显示面板的第一优选实施例的偏光板的结构示意图之一;
图2B为本发明的液晶显示面板的第一优选实施例的偏光板的结构示意图之二;
图3为本发明的液晶显示面板的第二优选实施例的偏光板的结构示意图;
图4为本发明的液晶显示面板的第三优选实施例的偏光板的结构示意图。
本发明的最佳实施方式
以下各实施例的说明是参考附加的图式,用以例示本发明可用以实施的特定实施例。本发明所提到的方向用语,例如「上」、「下」、「前」、「后」、「左」、「右」、「内」、「外」、「侧面」等,仅是参考附加图式的方向。因此,使用的方向用语是用以说明及理解本发明,而非用以限制本发明。
在图中,结构相似的单元是以相同标号表示。
请参照图1,图1为本发明的液晶显示面板的优选实施例的结构示意图。本优选实施例的液晶显示面板10包括阵列基板11、彩膜基板12、设置在阵列基板11和彩膜基板12之间的液晶层13以及偏光板14,偏光板14设置在阵列基板11的外侧以及彩膜基板12的外侧。
本优选实施例的液晶显示面板10中的至少一个偏光板14包括量子点膜145,以对入射到液晶显示面板10中的波长小于400nm的入射光进行转换。该具有量子点膜145的偏光板14可设置在阵列基板11的外侧、也可设置在彩膜基板12的外侧,或同时设置在阵列基板11的外侧和彩膜基板12的外侧(这种转换效率最高)。液晶显示面板10的生产商可根据具体需要以及转换效率对量子点膜145进行有效的设置。
请参照图2A和图2B,图2A为本发明的液晶显示面板的第一优选实施例的偏光板的结构示意图之一;图2B为本发明的液晶显示面板的第一优选实施例的偏光板的结构示意图之二。该偏光板14包括偏光层141、支撑层142、保护层143以及量子点膜145。偏光层141用于对入射光进行偏光处理后出射,其优选为聚乙烯醇(Polyvinyl Alcohol,PVA);支撑层142设置在偏光层141的上侧以及下侧,用于保护偏光层141,其优选为三醋酸纤维素(Tri Acetic acid Celluose,TAC);保护层143用于将偏光层141与外界环境进行隔离,该保护层143通过粘结层144与支撑层142连接。
量子点膜145设置在偏光层141和支撑层142之间,用于将波长小于400nm的入射光转换为波长大于400nm的入射光。该量子点膜145包括量子点1451以及填充在量子点1451之间的填充树脂1452。该量子点1451的粒径为2nm至3nm,量子点1451的材料可由半导体材料组成,如CdS、CdSe、CdTe、ZnSe、InP以及InAs中的至少一种。这样量子点膜145可在波长400nm以下的短波蓝光的激发下发射波长为400nm至480nm的长波蓝光,从而避免短波蓝光对人眼的危害。同时量子点膜145并未对短波蓝光进行过滤,而是将其转换为长波蓝光,因此对液晶显示装置的背光效率几乎没有影响。
量子点膜145可涂布在偏光层141的表面或支撑层142的表面,图2A中的量子点膜145涂布在偏光层141的外表面,图2B中的量子点膜145涂布在偏光层141的内表面。这样不会影响偏光板14与阵列基板11、彩膜基板12之间的贴附操作,也不需要增加额外的制程工序。同时如量子点膜145设置在偏光层141的外表面,如图2A所示,还可有效的防止外部水汽进入偏光层141,影响偏光层141的偏光作用。
因此本优选实施例的液晶显示面板通过量子点膜的设置对损害人眼的有害蓝光进行了转换,这样即保护了人眼,又保证了液晶显示装置的背光效率。
请参照图3,图3为本发明的液晶显示面板的第二优选实施例的偏光板的结构示意图。本优选实施例的偏光板24包括偏光层241、支撑层242、保护层243以及量子点膜245。偏光层241用于对入射光进行偏光处理后出射;支撑层242设置在偏光层241的上侧以及下侧,用于保护偏光层241;保护层243用于将偏光层241与外界环境进行隔离,该保护层243通过粘结层244与支撑层242连接。
本优选实施例的量子点膜245设置在支撑层242以及粘结层244之间,用于将波长小于400nm的入射光转换为波长大于400nm的入射光。该量子点膜245同样可在波长400nm以下的短波蓝光的激发下发射波长为400nm至480nm的长波蓝光,从而避免短波蓝光对人眼的危害。同时量子点膜245并未对短波蓝光进行过滤,而是将其转换为长波蓝光,因此对液晶显示装置的背光效率几乎没有影响。
量子点膜245可涂布在支撑层242的表面,如直接在量子点膜245表面进行硬度处理,则可不需要对支撑层242进行表面处理,并可有效的防止偏光板24的表面划伤。
本优选实施例的液晶显示面板在第一优选实施例的基础上,还可进一步加强支撑层和粘结层之间连接的牢固度。
请参照图4,图4为本发明的液晶显示面板的第三优选实施例的偏光板的结构示意图。本优选实施例的偏光板34包括偏光层341、支撑层342、保护层343以及量子点膜345。偏光层341用于对入射光进行偏光处理后出射;支撑层342设置在偏光层341的上侧以及下侧,用于保护偏光层341;保护层343用于将偏光层341与外界环境进行隔离,该保护层343通过粘结层344与支撑层342连接。
本优选实施例的量子点膜345设置在粘结层344和保护层343之间,用于将波长小于400nm的入射光转换为波长大于400nm的入射光。该量子点膜345同样可在波长400nm以下的短波蓝光的激发下发射波长为400nm至480nm的长波蓝光,从而避免短波蓝光对人眼的危害。同时量子点膜345并未对短波蓝光进行过滤,而是将其转换为长波蓝光,因此对液晶显示装置的背光效率几乎没有影响。
量子点膜345也可置于在保护层343内,如对量子点膜345进行硬度处理,则可不必对支撑层342进行表面处理,也可有效的防止偏光板34的表面划伤。
本优选实施例的液晶显示面板在第一优选实施例的基础上,还可进一步加强保护层和粘结层之间连接的牢固度。
本发明还提供一种液晶显示装置,该液晶显示装置包括液晶显示面板以及背光源。该液晶显示面板包括阵列基板、彩膜基板、设置在阵列基板和彩膜基板之间的液晶层以及偏光板,偏光板设置在阵列基板的外侧以及彩膜基板的外侧。
该偏光板包括偏光层、支撑层、保护层以及量子点膜。偏光层用于对入射光进行偏光处理后出射;支撑层设置在偏光层的上侧以及下侧,用于保护偏光层;保护层用于将偏光层与外界环境进行隔离,该保护层通过粘结层与支撑层连接。量子点膜设置在偏光层和支撑层之间、支撑层和粘结层之间、或粘结层和保护层之间,用于将波长小于400nm的入射光转换为波长大于400nm的入射光。
优选的,量子点膜包括量子点以及填充在量子点之间的填充树脂。
优选的,量子点的粒径为2nm至3nm。
优选的,量子点的材料为CdS、CdSe、CdTe、ZnSe、InP以及InAs中的至少一种。
优选的,偏光层的材料为聚乙烯醇。
优选的,支撑层的材料为三醋酸纤维素。
优选的,粘结层的材料为聚异丁烯。
优选的,当量子点膜设置在偏光层和支撑层之间时,量子点膜涂布在偏光层的表面。
优选的,当量子点膜设置在支撑层和粘结层之间、或粘结层和保护层之间时,对量子点膜进行硬度处理。
本发明的液晶显示装置的具体工作原理与上述的液晶显示面板的优选实施例中的描述相同或相似,具体请参见上述液晶显示面板的优选实施例中的相关描述。
本发明的液晶显示面板及液晶显示装置通过量子点膜的设置对损害人眼的有害蓝光进行了转换,这样即保护了人眼,又保证了液晶显示装置的背光效率;解决了现有的液晶显示面板及液晶显示装置的对人眼有一定的损害且背光效率技术问题。
综上所述,虽然本发明已以优选实施例揭露如上,但上述优选实施例并非用以限制本发明,本领域的普通技术人员,在不脱离本发明的精神和范围内,均可作各种更动与润饰,因此本发明的保护范围以权利要求界定的范围为准。

Claims (19)

  1. 一种液晶显示面板,其包括阵列基板、彩膜基板以及设置在所述阵列基板和所述彩膜基板之间的液晶层;其中所述液晶显示面板还包括:
    偏光板,设置在所述阵列基板的外侧和所述彩膜基板的外侧;
    其中至少一个所述偏光板包括:
    偏光层,用于对入射光进行偏光处理后出射;
    支撑层,设置在所述偏光层的上侧以及下侧,用于保护所述偏光层;
    保护层,用于将所述偏光层与外界环境进行隔离,所述保护层通过粘结层与所述支撑层连接;以及
    量子点膜,设置在所述偏光层和所述支撑层之间、所述支撑层和所述粘结层之间、或所述粘结层和所述保护层之间,用于将波长小于400nm的入射光转换为波长大于400nm的入射光;
    其中所述量子点膜包括量子点以及填充在所述量子点之间的填充树脂;
    所述偏光层的材料为聚乙烯醇;所述支撑层的材料为三醋酸纤维素;所述粘结层的材料为聚异丁烯。
  2. 一种液晶显示面板,其包括阵列基板、彩膜基板以及设置在所述阵列基板和所述彩膜基板之间的液晶层;其中所述液晶显示面板还包括:
    偏光板,设置在所述阵列基板的外侧和所述彩膜基板的外侧;
    其中至少一个所述偏光板包括:
    偏光层,用于对入射光进行偏光处理后出射;
    支撑层,设置在所述偏光层的上侧以及下侧,用于保护所述偏光层;
    保护层,用于将所述偏光层与外界环境进行隔离,所述保护层通过粘结层与所述支撑层连接;以及
    量子点膜,设置在所述偏光层和所述支撑层之间、所述支撑层和所述粘结层之间、或所述粘结层和所述保护层之间,用于将波长小于400nm的入射光转换为波长大于400nm的入射光。
  3. 根据权利要求2所述的液晶显示面板,其中所述量子点膜包括量子点以及填充在所述量子点之间的填充树脂。
  4. 根据权利要求3所述的液晶显示面板,其中所述量子点的粒径为2nm至3nm。
  5. 根据权利要求3所述的液晶显示面板,其中所述量子点的材料为CdS、CdSe、CdTe、ZnSe、InP以及InAs中的至少一种。
  6. 根据权利要求2所述的液晶显示面板,其中所述偏光层的材料为聚乙烯醇。
  7. 根据权利要求2所述的液晶显示面板,其中所述支撑层的材料为三醋酸纤维素。
  8. 根据权利要求2所述的液晶显示面板,其中所述粘结层的材料为聚异丁烯。
  9. 根据权利要求2所述的液晶显示面板,其中当所述量子点膜设置在所述偏光层和所述支撑层之间时,所述量子点膜涂布在所述偏光层的表面。
  10. 根据权利要求2所述的液晶显示面板,其中当所述量子点膜设置在所述支撑层和所述粘结层之间、或所述粘结层和所述保护层之间时,对所述量子点膜进行表面硬度处理,以防止所述偏光板表面划伤。
  11. 一种液晶显示装置,其包括液晶显示面板及背光源;
    所述液晶显示面板包括阵列基板、彩膜基板以及设置在所述阵列基板和所述彩膜基板之间的液晶层;其中所述液晶显示面板还包括:
    偏光板,设置在所述阵列基板的外侧和所述彩膜基板的外侧;
    其中至少一个所述偏光板包括:
    偏光层,用于对入射光进行偏光处理后出射;
    支撑层,设置在所述偏光层的上侧以及下侧,用于保护所述偏光层;
    保护层,用于将所述偏光层与外界环境进行隔离,所述保护层通过粘结层与所述支撑层连接;以及
    量子点膜,设置在所述偏光层和所述支撑层之间、所述支撑层和所述粘结层之间、或所述粘结层和所述保护层之间,用于将波长小于400nm的入射光转换为波长大于400nm的入射光。
  12. 根据权利要求11所述的液晶显示装置,其中所述量子点膜包括量子点以及填充在所述量子点之间的填充树脂。
  13. 根据权利要12所述的液晶显示装置,其中所述量子点的粒径为2nm至3nm。
  14. 根据权利要求12所述的液晶显示装置,其中所述量子点的材料为CdS、CdSe、CdTe、ZnSe、InP以及InAs中的至少一种。
  15. 根据权利要11所述的液晶显示装置,其中所述偏光层的材料为聚乙烯醇。
  16. 根据权利要11所述的液晶显示装置,其中所述支撑层的材料为三醋酸纤维素。
  17. 根据权利要11所述的液晶显示装置,其中所述粘结层的材料为聚异丁烯。
  18. 根据权利要11所述的液晶显示装置,其中当所述量子点膜设置在所述偏光层和所述支撑层之间时,所述量子点膜涂布在所述偏光层的表面。
  19. 根据权利要11所述的液晶显示装置,其中当所述量子点膜设置在所述支撑层和所述粘结层之间、或所述粘结层和所述保护层之间时,对所述量子点膜进行表面硬度处理,以防止所述偏光板表面划伤。
PCT/CN2015/085390 2015-05-14 2015-07-29 液晶显示面板及液晶显示装置 Ceased WO2016179906A1 (zh)

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