WO2022099792A1 - Color film panel, display panel and fingerprint recognition display device - Google Patents

Color film panel, display panel and fingerprint recognition display device Download PDF

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Publication number
WO2022099792A1
WO2022099792A1 PCT/CN2020/131524 CN2020131524W WO2022099792A1 WO 2022099792 A1 WO2022099792 A1 WO 2022099792A1 CN 2020131524 W CN2020131524 W CN 2020131524W WO 2022099792 A1 WO2022099792 A1 WO 2022099792A1
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WO
WIPO (PCT)
Prior art keywords
black matrix
matrix layer
display panel
substrate
layer
Prior art date
Application number
PCT/CN2020/131524
Other languages
French (fr)
Chinese (zh)
Inventor
杨超群
黄长治
Original Assignee
武汉华星光电技术有限公司
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Publication of WO2022099792A1 publication Critical patent/WO2022099792A1/en

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133512—Light shielding layers, e.g. black matrix
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • 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
    • G02F1/133345—Insulating 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
    • G02F1/133528—Polarisers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/12—Fingerprints or palmprints
    • G06V40/13—Sensors therefor
    • G06V40/1318—Sensors therefor using electro-optical elements or layers, e.g. electroluminescent sensing

Definitions

  • the present application relates to the technical field of displays, and in particular, to a color filter plate, a display panel and a fingerprint identification display device.
  • the display panels using the under-screen fingerprint recognition module are all OLED display panels, but the production cost of the OLED display panel is relatively high, and the display life is shorter than that of the LCD display panel. Therefore, based on the limitations of current OLED display panel production capacity and high price, there is still a large market space for full-screen display on LCD display panels.
  • the current LCD display panel is passive light-emitting, the low transmittance of TFT and the backlight will interfere with the reflected light of the fingerprint, it is difficult to set the fingerprint recognition module under the screen in the LCD display panel.
  • the embodiments of the present application provide a color filter panel, a display panel and a fingerprint identification display device.
  • infrared quantum dots as the light-emitting source of infrared light, the penetration depth of infrared quantum dots can be large.
  • the infrared rays irradiated on the fingerprint are reflected back to the sensor for fingerprint detection, so as to realize the fingerprint recognition under the screen of the display panel.
  • the embodiment of the present application provides a color filter board, including:
  • RGB pixels the RGB pixels are arranged on the substrate;
  • the first black matrix layer is disposed on the substrate
  • the first black matrix layer and the second black matrix layer have a plurality of pixel openings, and the RGB pixels are arranged in at least part of the pixel openings;
  • the first black matrix layer contains infrared quantum dots, and the infrared quantum dots can be excited by visible light.
  • the second black matrix layer has a polymer layer of black pigment, and the second black matrix layer is used for absorbing and blocking the transmission of the first black matrix layer toward the second black matrix layer. infrared light.
  • the second black matrix layer does not contain infrared quantum dots.
  • the sum of the film thicknesses of the first black matrix layer and the second black matrix layer is greater than or equal to the film thickness of the RGB pixels.
  • the embodiment of the present application also provides a display panel, the display panel includes:
  • the backlight source is arranged at the bottom;
  • the bottom polarizer is arranged on the backlight
  • the bottom substrate is disposed on the bottom polarizer
  • the array substrate is disposed on the bottom substrate;
  • liquid crystal layer is arranged around the column spacer
  • a top polarizer which is arranged on the color filter plate, or is arranged between the second black matrix layer and the insulating layer;
  • the color filter plate includes a substrate, RGB pixels arranged on the substrate, a first black matrix layer arranged on the substrate, a second black matrix layer arranged on the first black matrix layer, and An insulating layer covering the RGB pixels and the second black matrix layer, the first black matrix layer contains infrared quantum dots, and the infrared quantum dots can be excited by visible light.
  • the second black matrix layer has a polymer layer of black pigment, and the second black matrix layer is used for absorbing and blocking the transmission of the first black matrix layer toward the second black matrix layer. infrared light.
  • the second black matrix layer does not contain infrared quantum dots.
  • the first black matrix layer is excited by the backlight to generate infrared light.
  • the sum of the film thicknesses of the first black matrix layer and the second black matrix layer is greater than or equal to the film thickness of the RGB pixels.
  • the embodiment of the present application also provides a fingerprint identification display device, including:
  • the display panel includes a color filter plate
  • the fingerprint identification sensor is arranged on the light-emitting surface of the display panel, and the fingerprint identification sensor is used for sensing the infrared light sent in the display panel and reflected by the surface of the sensing object;
  • cover plate covers the fingerprint recognition sensor and the display panel
  • the color filter plate includes a substrate, RGB pixels arranged on the substrate, a first black matrix layer arranged on the substrate, a second black matrix layer arranged on the first black matrix layer, and An insulating layer covering the RGB pixels and the second black matrix layer, the first black matrix layer contains infrared quantum dots, and the infrared quantum dots can be excited by visible light.
  • the display panel is an LCD display panel, a quantum dot LCD display panel, or a built-in polarizer LCD display panel.
  • the display panel includes:
  • the backlight source is arranged at the bottom;
  • the bottom polarizer is arranged on the backlight
  • the bottom substrate is disposed on the bottom polarizer
  • the array substrate is disposed on the bottom substrate;
  • liquid crystal layer is arranged around the column spacer
  • a top polarizer is arranged on the color filter plate, or is arranged between the second black matrix layer and the insulating layer.
  • the second black matrix layer has a polymer layer of black pigment.
  • the second black matrix layer is configured to absorb and block infrared rays sent by the first black matrix layer toward the second black matrix layer.
  • the second black matrix layer does not contain infrared quantum dots.
  • the first black matrix layer is excited by the backlight to generate infrared light.
  • the sum of the film thicknesses of the first black matrix layer and the second black matrix layer is greater than or equal to the film thickness of the RGB pixels.
  • the embodiments of the present invention provide a color filter panel, a display panel and a fingerprint identification display device, wherein two black matrix layers are arranged in the color filter plate, and the first black matrix layer is arranged in the first black matrix layer.
  • the first black matrix layer is arranged in the first black matrix layer.
  • the second black matrix layer is a conventional black matrix layer.
  • the two black matrix layers increase the thickness of the overall black matrix layer, which can reduce the risk of color mixing in the display panel.
  • the display panel in this embodiment includes the color filter panel provided in this embodiment, and the backlight in the display panel can excite infrared quantum emitting infrared rays in the color filter panel.
  • the fingerprint identification display device made of the display panel in this embodiment includes a display panel and a fingerprint identification sensor.
  • the infrared light emitted by the infrared quantum dots can be directly sensed by the fingerprint identification sensor through the reflection of the fingerprint of the finger, so as to prevent This is to realize the under-screen fingerprint recognition of the display panel. Since the infrared light excited by the infrared quantum dots is used, visible light and invisible light can be directly distinguished when the fingerprint identification sensor detects, which can increase the fingerprint identification degree and the identification sensitivity.
  • the infrared quantum dots can reflect the infrared rays irradiated on the fingerprint back to the sensor for fingerprint detection by using the large penetration depth of the infrared quantum dots, so as to realize the under-screen display of the display panel. Fingerprint recognition.
  • FIG. 1 is a schematic structural diagram of a color filter plate provided in this embodiment
  • FIG. 2 is a schematic structural diagram of the display panel provided in this embodiment
  • FIG. 3 is a schematic structural diagram of the fingerprint identification display device provided in this embodiment.
  • the color filter plate includes: a substrate, which can be a glass substrate, a polyimide film substrate or other flexible substrates, in this embodiment, the glass substrate 101 is used as an example for illustration; RGB pixels 102, the RGB pixels 102 are arranged on the glass substrate 101; the first black matrix layer 103, the first black matrix layer 103 is arranged on the glass substrate 101; the second black matrix layer 104, the second black matrix layer 104 is arranged on the on the first black matrix layer 103; and an insulating layer 105, the insulating layer 105 covers the RGB pixels 102 and the second black matrix layer 104; wherein, the first black matrix layer 103 and the first black matrix layer 105
  • the two black matrix layers 104 have a plurality of pixel openings, and the RGB pixels 102 are disposed in at least part of the pixel openings; wherein, the first black matrix layer 103 contains infrared quantum dots, and the
  • the first black matrix layer 103 and the second black matrix layer 104 are arranged in the color filter plate: the first black matrix layer 103 and the second black matrix layer 104, the first black matrix layer 103 is mixed with infrared quantum dots,
  • the second black matrix layer 104 is a conventional black matrix layer, that is, a black matrix layer that does not include infrared quantum dots. Since the color filter plate in this embodiment has two black matrix layers, the sum of the film thicknesses of the first black matrix layer 103 and the second black matrix layer 104 is greater than or equal to the film thickness of the RGB pixel 102 Therefore, the two black matrix layers increase the thickness of the overall black matrix layer, which can reduce the risk of color mixing of the RGB pixels 102 .
  • the infrared quantum dots are arranged in the first black matrix layer 103, and the first black matrix layer 103 has a polymer layer of black pigment, because the polymer layer of the black pigment in the first black matrix layer 103 The layer can ensure the penetration ability of the infrared light emitted by the infrared quantum dots.
  • the second black matrix layer 104 has a polymer layer of black pigment, and the second black matrix layer 104 absorbs and blocks the infrared light emitted by the first black matrix layer 103 toward the second black matrix layer 104 .
  • the second black matrix layer 104 can block the infrared light emitted by the infrared quantum dots from propagating downward, so as to control the propagation direction of the infrared light.
  • FIG. 2 is a schematic structural diagram of the display panel.
  • the display panel includes a backlight source 201, which is arranged at the bottom; a bottom polarizer 202, which is arranged on the backlight source 201; and a bottom substrate, which can be a glass substrate, Polyimide film substrates or other flexible substrates, in this embodiment, the bottom glass substrate 203 is used as an example to illustrate, the bottom glass substrate 203 is arranged on the bottom polarizer 202; the array substrate 204, the array substrate 204 is arranged On the bottom glass substrate 203; the column spacer 205; the liquid crystal layer 206, the liquid crystal layer 206 is arranged around the column spacer 205; the color filter plate provided in this embodiment; and the top polarizer 207, the top The polarizer 207 is arranged on the color filter plate.
  • the color filter plate includes a substrate, which can be a glass substrate, a polyimide film substrate or other flexible substrates.
  • the glass substrate 101 is used as an example for illustration; for the RGB pixel 102, the RGB pixel 102 is disposed on the glass substrate 101; the first black matrix layer 103, the first black matrix layer 103 is disposed on the glass substrate 101; the second black matrix layer 104, the second black matrix layer 104 is disposed on the first black matrix layer 103; and an insulating layer 105, the insulating layer 105 covers the RGB pixels 102 and the second black matrix layer 104; wherein, the first black matrix layer 103 and the The second black matrix layer 105 has a plurality of pixel openings, and the RGB pixels 102 are disposed in at least part of the pixel openings; wherein, the first black matrix layer 103 contains infrared quantum dots, and the infrared quantum dots can be Visible light excites infrared light.
  • the color filter plate includes a first black matrix layer 103 and a second black matrix layer 104.
  • the first black matrix layer 103 is excited by the backlight source 201 to generate infrared light, and the second black matrix layer 104 blocks and absorbs all the infrared rays.
  • This embodiment also provides a display panel with an Incell polarizer, the display panel includes a backlight source, the backlight source is disposed on the bottom; a bottom polarizer, the bottom polarizer is disposed on the backlight source; a bottom substrate,
  • the bottom substrate may be a glass substrate, a polyimide film substrate or other flexible substrates.
  • the bottom glass substrate is used as an example for illustration, and the bottom glass substrate is disposed on the bottom polarizer; the Array array substrate, The array array substrate is arranged on the glass substrate; a columnar spacer; a liquid crystal layer, the liquid crystal layer is arranged around the columnar spacer; a top polarizer, the top polarizer is arranged on the columnar spacer, specifically Ground, the top polarizer is arranged between the second black matrix layer and the insulating layer; the color filter plate provided in this embodiment.
  • the color filter plate includes a substrate, which can be a glass substrate, a polyimide film substrate, or other flexible substrates.
  • a glass substrate is used as an example for illustration; RGB pixels, the RGB pixels are arranged in on the glass substrate; a first black matrix layer, the first black matrix layer is arranged on the glass substrate; a second black matrix layer, the second black matrix layer is arranged on the first black matrix layer and an insulating layer covering the RGB pixels and the second black matrix layer; wherein the first black matrix layer and the second black matrix layer have a plurality of pixel openings, and the RGB pixels It is arranged in at least part of the pixel opening; wherein, the first black matrix layer contains infrared quantum dots, and the infrared quantum dots can be excited by visible light to emit infrared light.
  • the color filter plate includes a first black matrix layer and a second black matrix layer, the first black matrix layer is excited by the backlight to generate infrared light, and the second black matrix layer blocks and absorbs the first black matrix the infrared rays sent by the layer towards the second black matrix layer.
  • the top polarizer is arranged between the column spacer and the color filter plate. Specifically, the top polarizer is arranged on the second black matrix layer and the color filter plate. between the insulating layers.
  • the fingerprint identification display device includes: a display panel, which includes the color filter plate described in this embodiment; a fingerprint identification sensor 301, which is arranged on the display panel, and the fingerprint identification sensor 301 senses the infrared light sent in the display panel and reflected back by the surface of the sensing object; cover plate, the cover plate is preferably a glass cover plate 302, the glass cover plate 302 covers the fingerprint identification sensor 301, The glass cover 302 protects the fingerprint recognition sensor 301 and the display panel.
  • the display panel is a conventional LCD display panel, a quantum dot LCD display panel, a built-in polarizer LCD display panel or other LCD display panels, which are not specifically limited herein.
  • This embodiment is described by taking a conventional LCD display panel as an example.
  • the LCD display panel includes: a backlight 201, which is arranged on the bottom; a bottom polarizer 202, which is arranged on the backlight 201; a bottom glass substrate 203, the The bottom glass substrate 203 is arranged on the bottom polarizer 202; the array substrate 204 is arranged on the bottom glass substrate 203; the column spacer 205; the liquid crystal layer 206 is arranged on the columnar around the spacer 205; and the color filter plate provided in this implementation.
  • the color filter plate includes: a glass substrate 101; RGB pixels 102, the RGB pixels 102 are arranged on the glass substrate 101; a first black matrix layer 103, the first black matrix layer 103 is arranged on the On the glass substrate 101; the second black matrix layer 104, the second black matrix layer 104 is disposed on the first black matrix layer 103; and the insulating layer 105, the insulating layer 105 covers the RGB pixels 102 and all The second black matrix layer 104; wherein, the first black matrix layer 103 and the second black matrix layer 104 have a plurality of pixel openings, and the RGB pixels 102 are arranged in at least part of the pixel openings; wherein, The first black matrix layer 103 contains infrared quantum dots, and the infrared quantum dots can be excited by visible light.
  • the sum of the film thicknesses of the first black matrix layer 103 and the second black matrix layer 104 is greater than or equal to the film thickness of the RGB pixels 102 .
  • the infrared quantum dots located in the first black matrix layer 103 since the excitation wavelength of the infrared quantum dots located in the first black matrix layer 103 is wide, the infrared quantum dots can be excited by visible light to generate infrared light, and the infrared quantum dots can be excited by visible light to generate infrared light. Light is not visible. Therefore, in the fingerprint identification display device, the infrared quantum dots are excited by the backlight source 201 to generate the infrared light.
  • the first black matrix layer 103 and the second black matrix layer 104 the second black matrix layer 104 is a conventional black matrix layer
  • the second black matrix layer 104 is a conventional black matrix layer.
  • the black matrix layer 104 can absorb and block the propagation of the infrared light into the fingerprint identification display device, so as to control the propagation direction of the infrared light. Let as much of the infrared light as possible spread to the outside of the fingerprint identification display device to reach the fingerprint.
  • the fingerprint identification module of the fingerprint identification display device is used, the infrared light is reflected by the fingerprint of the finger, and the infrared light is reflected to the fingerprint identification sensor 301 .
  • the fingerprint identification sensor 301 can directly distinguish visible light from invisible light when detecting, thereby increasing the fingerprint identification degree and the fingerprint identification sensitivity.
  • Embodiments of the present invention provide a color filter panel, a display panel and a fingerprint identification display device.
  • Two black matrix layers are arranged in the color filter plate, wherein infrared quantum dots are arranged in the first black matrix layer, and the infrared quantum dots are arranged in the first black matrix layer.
  • the quantum dots can be excited by visible light, and the second black matrix layer is a conventional black matrix layer.
  • the two black matrix layers increase the thickness of the overall black matrix layer, which can reduce the risk of color mixing in the display panel.
  • the display panel in this embodiment includes the color filter panel provided in this embodiment, and the backlight in the display panel can excite infrared quantum emitting infrared rays in the color filter panel.
  • the fingerprint identification display device made of the display panel in this embodiment includes a display panel and a fingerprint identification sensor.
  • the infrared light emitted by the infrared quantum dots can be directly sensed by the fingerprint identification sensor through the reflection of the fingerprint of the finger, so as to prevent This is to realize the under-screen fingerprint recognition of the display panel. Since the infrared light excited by the infrared quantum dots is used, visible light and invisible light can be directly distinguished when the fingerprint identification sensor detects, which can increase the fingerprint identification degree and the identification sensitivity.
  • the infrared quantum dots can reflect the infrared rays irradiated on the fingerprint back to the sensor for fingerprint detection by using the large penetration depth of the infrared quantum dots, so as to realize the under-screen display of the display panel. Fingerprint recognition.

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Abstract

A color film panel, a display panel and a fingerprint recognition display device. The fingerprint recognition display device comprises a display panel which comprises a color film panel; the color film panel comprises a first black matrix layer (103) which contains infrared quantum dots; and the infrared quantum dots are used as a light emitting source of an infrared light ray, and the infrared ray irradiated onto a fingerprint can be reflected back to a fingerprint recognition sensor (301) to carry out fingerprint detection, thereby realizing under-display fingerprint recognition on the display panel.

Description

彩膜板、显示面板及指纹识别显示装置Color filter plate, display panel and fingerprint identification display device 技术领域technical field
本申请涉及显示器技术领域，尤其涉及一种彩膜板、显示面板及指纹识别显示装置。The present application relates to the technical field of displays, and in particular, to a color filter plate, a display panel and a fingerprint identification display device.
背景技术Background technique
随着人们对面板更高用户体验的追求，具有高“屏占比”的显示屏越来越受消费者的青睐。全面屏的实现其中一项重要关键技术是如何实现在不额外设置指纹辨识组件的前提下达到全显示指纹识别。而目前行业中，大多数都是采用屏下指纹识别模组来代替以前需要放置指纹识别模组才能完成的识别功能。因此，使用屏下指纹识别模组来达到全面屏显示是一种可行的方案。With the pursuit of higher user experience for panels, displays with high "screen ratio" are increasingly favored by consumers. One of the important key technologies in the realization of the full screen is how to achieve full display fingerprint recognition without additional fingerprint recognition components. In the current industry, most of them use the fingerprint recognition module under the screen to replace the recognition function that previously required the placement of the fingerprint recognition module. Therefore, it is a feasible solution to use the under-screen fingerprint recognition module to achieve a full-screen display.
技术问题technical problem
但是目前行业中，使用屏下指纹识别模组的显示面板均是OLED显示面板，但是OLED显示面板生产成本比较高，且显示寿命比LCD显示面板的显示寿命短。因此，基于当下OLED 显示面板产能有限及价格高的局限因素，在LCD 显示面板上实现全面屏仍然具有很大市场空间。而由于当前LCD 显示面板是被动发光，TFT 透光率低加上背光源会干扰指纹的反射光线，在LCD显示面板中设置屏下指纹识别模组的比较困难。However, in the current industry, the display panels using the under-screen fingerprint recognition module are all OLED display panels, but the production cost of the OLED display panel is relatively high, and the display life is shorter than that of the LCD display panel. Therefore, based on the limitations of current OLED display panel production capacity and high price, there is still a large market space for full-screen display on LCD display panels. However, because the current LCD display panel is passive light-emitting, the low transmittance of TFT and the backlight will interfere with the reflected light of the fingerprint, it is difficult to set the fingerprint recognition module under the screen in the LCD display panel.
技术解决方案technical solutions
为了克服现有技术的不足，本申请实施例提供一种彩膜板、显示面板及指纹识别显示装置，通过采用红外量子点作为红外光线的发光源，利用红外量子点的穿透深度大可以将照射到指纹上的红外线反射回传感器进行指纹侦测，以此来实现显示面板的屏下指纹识别。In order to overcome the deficiencies of the prior art, the embodiments of the present application provide a color filter panel, a display panel and a fingerprint identification display device. By using infrared quantum dots as the light-emitting source of infrared light, the penetration depth of infrared quantum dots can be large. The infrared rays irradiated on the fingerprint are reflected back to the sensor for fingerprint detection, so as to realize the fingerprint recognition under the screen of the display panel.
本申请实施例提供一种彩膜板，包括：The embodiment of the present application provides a color filter board, including:
基板；substrate;
RGB像素，所述RGB像素设置在所述基板上；RGB pixels, the RGB pixels are arranged on the substrate;
第一黑矩阵层，所述第一黑矩阵层设置在所述基板上；a first black matrix layer, the first black matrix layer is disposed on the substrate;
第二黑矩阵层，所述第二黑矩阵层设置在所述第一黑矩阵层上；以及a second black matrix layer disposed on the first black matrix layer; and
绝缘层，所述绝缘层覆盖所述RGB像素和所述第二黑矩阵层；an insulating layer covering the RGB pixels and the second black matrix layer;
其中，所述第一黑矩阵层和所述第二黑矩阵层具有多个像素开口，所述RGB像素设置在至少部分所述像素开口中；Wherein, the first black matrix layer and the second black matrix layer have a plurality of pixel openings, and the RGB pixels are arranged in at least part of the pixel openings;
其中，所述第一黑矩阵层内含有红外量子点，所述红外量子点可被可见光激发。Wherein, the first black matrix layer contains infrared quantum dots, and the infrared quantum dots can be excited by visible light.
根据本申请一实施例，所述第二黑矩阵层具有黑色颜料的高分子层，所述第二黑矩阵层用于吸收阻挡所述第一黑矩阵层朝向所述第二黑矩阵层发送的红外光线。According to an embodiment of the present application, the second black matrix layer has a polymer layer of black pigment, and the second black matrix layer is used for absorbing and blocking the transmission of the first black matrix layer toward the second black matrix layer. infrared light.
根据本申请一实施例，所述第二黑矩阵层内不含有红外量子点。According to an embodiment of the present application, the second black matrix layer does not contain infrared quantum dots.
根据本申请一实施例，所述第一黑矩阵层与所述第二黑矩阵层的膜层厚度之和大于或等于所述RGB像素的膜层厚度。According to an embodiment of the present application, the sum of the film thicknesses of the first black matrix layer and the second black matrix layer is greater than or equal to the film thickness of the RGB pixels.
本申请实施例还提供一种显示面板，所述显示面板包括：The embodiment of the present application also provides a display panel, the display panel includes:
背光源，所述背光源设置在底部；a backlight source, the backlight source is arranged at the bottom;
底部偏光片，所述底部偏光片设置在所述背光源上；a bottom polarizer, the bottom polarizer is arranged on the backlight;
底部基板，所述底部基板设置在所述底部偏光片上；a bottom substrate, the bottom substrate is disposed on the bottom polarizer;
阵列基板，所述阵列基板设置在所述底部基板上；an array substrate, the array substrate is disposed on the bottom substrate;
柱状间隔物；column spacers;
液晶层，所述液晶层设置在柱状间隔物周围；a liquid crystal layer, the liquid crystal layer is arranged around the column spacer;
彩膜板；以及color filter; and
顶部偏光片，所述顶部偏光片设置在所述彩膜板上，或者，设置在所述第二黑色矩阵层和所述绝缘层之间；a top polarizer, which is arranged on the color filter plate, or is arranged between the second black matrix layer and the insulating layer;
其中，所述彩膜板包括基板、设置于所述基板上的RGB像素、设置于所述基板上的第一黑矩阵层、设置于所述第一黑矩阵层上的第二黑矩阵层以及覆盖所述RGB像素和所述第二黑矩阵层的绝缘层，所述第一黑矩阵层内含有红外量子点，所述红外量子点可被可见光激发。Wherein, the color filter plate includes a substrate, RGB pixels arranged on the substrate, a first black matrix layer arranged on the substrate, a second black matrix layer arranged on the first black matrix layer, and An insulating layer covering the RGB pixels and the second black matrix layer, the first black matrix layer contains infrared quantum dots, and the infrared quantum dots can be excited by visible light.
根据本申请一实施例，所述第二黑矩阵层具有黑色颜料的高分子层，所述第二黑矩阵层用于吸收阻挡所述第一黑矩阵层朝向所述第二黑矩阵层发送的红外光线。According to an embodiment of the present application, the second black matrix layer has a polymer layer of black pigment, and the second black matrix layer is used for absorbing and blocking the transmission of the first black matrix layer toward the second black matrix layer. infrared light.
根据本申请一实施例，所述第二黑矩阵层内不含有红外量子点。According to an embodiment of the present application, the second black matrix layer does not contain infrared quantum dots.
根据本申请一实施例，所述第一黑矩阵层通过所述背光源激发产生红外光线。According to an embodiment of the present application, the first black matrix layer is excited by the backlight to generate infrared light.
根据本申请一实施例，所述第一黑矩阵层与所述第二黑矩阵层的膜层厚度之和大于或等于所述RGB像素的膜层厚度。According to an embodiment of the present application, the sum of the film thicknesses of the first black matrix layer and the second black matrix layer is greater than or equal to the film thickness of the RGB pixels.
本申请实施例还提供一种指纹识别显示装置，包括：The embodiment of the present application also provides a fingerprint identification display device, including:
显示面板，所述显示面板包括彩膜板；a display panel, the display panel includes a color filter plate;
指纹识别传感器，所述指纹识别传感器设置在所显示面板的出光面，所述指纹识别传感器用于感应所述显示面板内发送的并经过感测物体表面反射回来的红外光线；a fingerprint identification sensor, the fingerprint identification sensor is arranged on the light-emitting surface of the display panel, and the fingerprint identification sensor is used for sensing the infrared light sent in the display panel and reflected by the surface of the sensing object;
盖板，所述盖板覆盖所述指纹识别传感器和所述显示面板；a cover plate, the cover plate covers the fingerprint recognition sensor and the display panel;
其中，所述彩膜板包括基板、设置于所述基板上的RGB像素、设置于所述基板上的第一黑矩阵层、设置于所述第一黑矩阵层上的第二黑矩阵层以及覆盖所述RGB像素和所述第二黑矩阵层的绝缘层，所述第一黑矩阵层内含有红外量子点，所述红外量子点可被可见光激发。Wherein, the color filter plate includes a substrate, RGB pixels arranged on the substrate, a first black matrix layer arranged on the substrate, a second black matrix layer arranged on the first black matrix layer, and An insulating layer covering the RGB pixels and the second black matrix layer, the first black matrix layer contains infrared quantum dots, and the infrared quantum dots can be excited by visible light.
根据本申请一实施例，所述显示面板为LCD显示面板、量子点LCD显示面板或内置偏光片LCD显示面板。According to an embodiment of the present application, the display panel is an LCD display panel, a quantum dot LCD display panel, or a built-in polarizer LCD display panel.
根据本申请一实施例，所述显示面板包括：According to an embodiment of the present application, the display panel includes:
背光源，所述背光源设置在底部；a backlight source, the backlight source is arranged at the bottom;
底部偏光片，所述底部偏光片设置在所述背光源上；a bottom polarizer, the bottom polarizer is arranged on the backlight;
底部基板，所述底部基板设置在所述底部偏光片上；a bottom substrate, the bottom substrate is disposed on the bottom polarizer;
阵列基板，所述阵列基板设置在所述底部基板上；an array substrate, the array substrate is disposed on the bottom substrate;
柱状间隔物；column spacers;
液晶层，所述液晶层设置在柱状间隔物周围；a liquid crystal layer, the liquid crystal layer is arranged around the column spacer;
彩膜板；以及color filter; and
顶部偏光片，所述顶部偏光片设置在所述彩膜板上，或者，设置在所述第二黑色矩阵层和所述绝缘层之间。A top polarizer, the top polarizer is arranged on the color filter plate, or is arranged between the second black matrix layer and the insulating layer.
根据本申请一实施例，所述第二黑矩阵层具有黑色颜料的高分子层。According to an embodiment of the present application, the second black matrix layer has a polymer layer of black pigment.
根据本申请一实施例，所述第二黑矩阵层用于吸收阻挡所述第一黑矩阵层朝向所述第二黑矩阵层发送的红外光线。According to an embodiment of the present application, the second black matrix layer is configured to absorb and block infrared rays sent by the first black matrix layer toward the second black matrix layer.
根据本申请一实施例，所述第二黑矩阵层内不含有红外量子点。According to an embodiment of the present application, the second black matrix layer does not contain infrared quantum dots.
根据本申请一实施例，所述第一黑矩阵层通过所述背光源激发产生红外光线。According to an embodiment of the present application, the first black matrix layer is excited by the backlight to generate infrared light.
根据本申请一实施例，所述第一黑矩阵层和所述第二黑矩阵层的膜层厚度之和大于或等于所述RGB像素的膜层厚度。According to an embodiment of the present application, the sum of the film thicknesses of the first black matrix layer and the second black matrix layer is greater than or equal to the film thickness of the RGB pixels.
有益效果beneficial effect
本揭示实施例的有益效果：本发明实施例提供一种彩膜板、显示面板及指纹识别显示装置，在所述彩膜板中设置两层的黑矩阵层，其中第一黑矩阵层中设置有红外量子点，所述红外量子点可由可见光激发，而第二黑矩阵层为常规的黑矩阵层。在所述彩膜板中，两层黑矩阵层提高了整体黑矩阵层的厚度，可以降低显示面板发生混色的风险。在所述第一黑矩阵层里设置所述红外量子点可以确保所述红外量子点发出的红外光线的穿透力度，而所述第二黑矩阵层可以阻挡所述红外光线向显示面板内部传播，从而控制所述红外光线的传播方向，尽可能的让所述红外光线向显示面板外传播。本实施例中的显示面板包括本实施所提供的彩膜板，在所述显示面板内的背光源可以激发所述彩膜板内的红外量子发光红外光线。根据本实施例中的显示面板所制成的指纹识别显示装置，包括显示面板和指纹识别传感器，红外量子点所发出的红外光线经过手指指纹的反射可以直接被所述指纹识别传感器感应到，以此来实现显示面板的屏下指纹识别。由于使用的是红外量子点所激发的红外光线，在所述指纹识别传感器进行侦测时可直接将可见光与不可见光进行区分，可以增加指纹识别度，提高识别灵敏度。即本实施例通过采用红外量子点作为红外光线的发光源，利用红外量子点的穿透深度大可以将照射到指纹上的红外线反射回传感器进行指纹侦测，以此来实现显示面板的屏下指纹识别。Beneficial effects of the embodiments of the present disclosure: The embodiments of the present invention provide a color filter panel, a display panel and a fingerprint identification display device, wherein two black matrix layers are arranged in the color filter plate, and the first black matrix layer is arranged in the first black matrix layer. There are infrared quantum dots, which can be excited by visible light, and the second black matrix layer is a conventional black matrix layer. In the color filter plate, the two black matrix layers increase the thickness of the overall black matrix layer, which can reduce the risk of color mixing in the display panel. Disposing the infrared quantum dots in the first black matrix layer can ensure the penetration strength of the infrared light emitted by the infrared quantum dots, and the second black matrix layer can block the infrared light from propagating into the display panel. , so as to control the propagation direction of the infrared light, and let the infrared light propagate to the outside of the display panel as much as possible. The display panel in this embodiment includes the color filter panel provided in this embodiment, and the backlight in the display panel can excite infrared quantum emitting infrared rays in the color filter panel. The fingerprint identification display device made of the display panel in this embodiment includes a display panel and a fingerprint identification sensor. The infrared light emitted by the infrared quantum dots can be directly sensed by the fingerprint identification sensor through the reflection of the fingerprint of the finger, so as to prevent This is to realize the under-screen fingerprint recognition of the display panel. Since the infrared light excited by the infrared quantum dots is used, visible light and invisible light can be directly distinguished when the fingerprint identification sensor detects, which can increase the fingerprint identification degree and the identification sensitivity. That is, in this embodiment, by using infrared quantum dots as the light-emitting source of infrared light, the infrared quantum dots can reflect the infrared rays irradiated on the fingerprint back to the sensor for fingerprint detection by using the large penetration depth of the infrared quantum dots, so as to realize the under-screen display of the display panel. Fingerprint recognition.
附图说明Description of drawings
为了更清楚地说明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单介绍，显而易见地，下面描述中的附图仅仅是揭示的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the embodiments or technical solutions in the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only for disclosure. In some embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.
图1为本实施例所提供的彩膜板的结构示意图；FIG. 1 is a schematic structural diagram of a color filter plate provided in this embodiment;
图2为本实施例所提供的显示面板的结构示意图；FIG. 2 is a schematic structural diagram of the display panel provided in this embodiment;
图3为本实施例所提供的指纹识别显示装置的结构示意图。FIG. 3 is a schematic structural diagram of the fingerprint identification display device provided in this embodiment.
本发明的实施方式Embodiments of the present invention
以下各实施例的说明是参考附加的图示，用以例示本揭示可用以实施的特定实施例。本揭示所提到的方向用语，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揭示，而非用以限制本揭示。在图中，结构相似的单元是用以相同标号表示。The following descriptions of the various embodiments refer to the accompanying drawings to illustrate specific embodiments in which the present disclosure may be practiced. The directional terms mentioned in this disclosure, such as [up], [down], [front], [rear], [left], [right], [inner], [outer], [side], etc., are only for reference Additional schema orientation. Accordingly, the directional terms used are used to describe and understand the present disclosure, rather than to limit the present disclosure. In the figures, structurally similar elements are denoted by the same reference numerals.
下面结合附图和具体实施例对本揭示做进一步的说明：The present disclosure will be further described below in conjunction with the accompanying drawings and specific embodiments:
如图1所示，为发明实施例提供的一种彩膜板的结构示意图。所述彩膜板包括：基板，所述基板可以为玻璃基板、聚酰亚胺薄膜基板或其他柔性基板，在本实施例中以玻璃基板101为例说明；RGB像素102，所述RGB像素102设置在所述玻璃基板101上；第一黑矩阵层103，所述第一黑矩阵层103设置在所述玻璃基板101上；第二黑矩阵层104，所述第二黑矩阵层104设置在所述第一黑矩阵层103上；以及绝缘层105，所述绝缘层105覆盖所述RGB像素102和所述第二黑矩阵层104；其中，所述第一黑矩阵层103和所述第二黑矩阵层104具有多个像素开口，所述RGB像素102设置在至少部分所述像素开口中；其中，所述第一黑矩阵层103内含有红外量子点，所述红外量子点可被可见光激发出红外光线。As shown in FIG. 1 , it is a schematic structural diagram of a color filter plate provided in an embodiment of the invention. The color filter plate includes: a substrate, which can be a glass substrate, a polyimide film substrate or other flexible substrates, in this embodiment, the glass substrate 101 is used as an example for illustration; RGB pixels 102, the RGB pixels 102 are arranged on the glass substrate 101; the first black matrix layer 103, the first black matrix layer 103 is arranged on the glass substrate 101; the second black matrix layer 104, the second black matrix layer 104 is arranged on the on the first black matrix layer 103; and an insulating layer 105, the insulating layer 105 covers the RGB pixels 102 and the second black matrix layer 104; wherein, the first black matrix layer 103 and the first black matrix layer 105 The two black matrix layers 104 have a plurality of pixel openings, and the RGB pixels 102 are disposed in at least part of the pixel openings; wherein, the first black matrix layer 103 contains infrared quantum dots, and the infrared quantum dots can be illuminated by visible light Infrared light is excited.
具体地，在所述彩膜板内设置两层黑矩阵层：所述第一黑矩阵层103和所述第二黑矩阵层104，所述第一黑矩阵层103中混有红外量子点，而所述第二黑矩阵层104则为常规黑矩阵层，即不包含红外量子点的黑矩阵层。由于本实施例中所述彩膜板具有两层黑矩阵层，所述第一黑矩阵层103和所述第二黑矩阵层104的膜层厚度之和大于或等于所述RGB像素102的膜层厚度，因此两层黑矩阵层提高了整体黑矩阵层的厚度，可以降低所述RGB像素102的混色风险。将所述红外量子点设置在所述第一黑矩阵层103中，所述第一黑矩阵层103具有黑色颜料的高分子层，由于所述第一黑矩阵层103中的黑色颜料的高分子层可以确保所述红外量子点所发出的红外光线的穿透能力。而且，所述第二黑矩阵层104具有黑色颜料的高分子层，所述第二黑矩阵层104吸收阻挡所述第一黑矩阵层103朝向所述第二黑矩阵层104发送的红外光线。所述第二黑矩阵层104可以阻挡所述红外量子点所发出的红外光线往下传播，以此来控制所述红外光线的传播方向。Specifically, two black matrix layers are arranged in the color filter plate: the first black matrix layer 103 and the second black matrix layer 104, the first black matrix layer 103 is mixed with infrared quantum dots, The second black matrix layer 104 is a conventional black matrix layer, that is, a black matrix layer that does not include infrared quantum dots. Since the color filter plate in this embodiment has two black matrix layers, the sum of the film thicknesses of the first black matrix layer 103 and the second black matrix layer 104 is greater than or equal to the film thickness of the RGB pixel 102 Therefore, the two black matrix layers increase the thickness of the overall black matrix layer, which can reduce the risk of color mixing of the RGB pixels 102 . The infrared quantum dots are arranged in the first black matrix layer 103, and the first black matrix layer 103 has a polymer layer of black pigment, because the polymer layer of the black pigment in the first black matrix layer 103 The layer can ensure the penetration ability of the infrared light emitted by the infrared quantum dots. Moreover, the second black matrix layer 104 has a polymer layer of black pigment, and the second black matrix layer 104 absorbs and blocks the infrared light emitted by the first black matrix layer 103 toward the second black matrix layer 104 . The second black matrix layer 104 can block the infrared light emitted by the infrared quantum dots from propagating downward, so as to control the propagation direction of the infrared light.
本实施例还提供一种显示面板，如图2所示为所述显示面板的结构示意图。所述显示面板包括背光源201，所述背光源201设置在底部；底部偏光片202，所述底部偏光片202设置在所述背光源201上；底部基板，所述底部基板可以为玻璃基板、聚酰亚胺薄膜基板或其他柔性基板，在本实施例中以底部玻璃基板203为例说明，所述底部玻璃基板203设置在所述底部偏光202片上；阵列基板204，所述阵列基板204设置在所述底部玻璃基板203上；柱状间隔物205；液晶层206，所述液晶层206设置在柱状间隔物205周围；本实施例所提供的彩膜板；以及顶部偏光片207，所述顶部偏光片207设置在所述彩膜板上。其中，所述彩膜板包括基板，所述基板可以为玻璃基板、聚酰亚胺薄膜基板或其他柔性基板，在本实施例中以玻璃基板101为例说明；RGB像素102，所述RGB像素102设置在所述玻璃基板101上；第一黑矩阵层103，所述第一黑矩阵层103设置在所述玻璃基板101上；第二黑矩阵层104，所述第二黑矩阵层104设置在所述第一黑矩阵层103上；以及绝缘层105，所述绝缘层105覆盖所述RGB像素102和所述第二黑矩阵层104；其中，所述第一黑矩阵层103和所述第二黑矩阵层105具有多个像素开口，所述RGB像素102设置在至少部分所述像素开口中；其中，所述第一黑矩阵层103内含有红外量子点，所述红外量子点可被可见光激发出红外光线。This embodiment also provides a display panel, and FIG. 2 is a schematic structural diagram of the display panel. The display panel includes a backlight source 201, which is arranged at the bottom; a bottom polarizer 202, which is arranged on the backlight source 201; and a bottom substrate, which can be a glass substrate, Polyimide film substrates or other flexible substrates, in this embodiment, the bottom glass substrate 203 is used as an example to illustrate, the bottom glass substrate 203 is arranged on the bottom polarizer 202; the array substrate 204, the array substrate 204 is arranged On the bottom glass substrate 203; the column spacer 205; the liquid crystal layer 206, the liquid crystal layer 206 is arranged around the column spacer 205; the color filter plate provided in this embodiment; and the top polarizer 207, the top The polarizer 207 is arranged on the color filter plate. The color filter plate includes a substrate, which can be a glass substrate, a polyimide film substrate or other flexible substrates. In this embodiment, the glass substrate 101 is used as an example for illustration; for the RGB pixel 102, the RGB pixel 102 is disposed on the glass substrate 101; the first black matrix layer 103, the first black matrix layer 103 is disposed on the glass substrate 101; the second black matrix layer 104, the second black matrix layer 104 is disposed on the first black matrix layer 103; and an insulating layer 105, the insulating layer 105 covers the RGB pixels 102 and the second black matrix layer 104; wherein, the first black matrix layer 103 and the The second black matrix layer 105 has a plurality of pixel openings, and the RGB pixels 102 are disposed in at least part of the pixel openings; wherein, the first black matrix layer 103 contains infrared quantum dots, and the infrared quantum dots can be Visible light excites infrared light.
所述彩膜板包括第一黑矩阵103层和第二黑矩阵层104，所述第一黑矩阵层103经过所述背光源201激发产生红外光线，所述第二黑矩阵层104阻挡吸收所述第一黑矩阵层103朝向所述第二黑矩阵层104发送的所述红外光线。The color filter plate includes a first black matrix layer 103 and a second black matrix layer 104. The first black matrix layer 103 is excited by the backlight source 201 to generate infrared light, and the second black matrix layer 104 blocks and absorbs all the infrared rays. The infrared rays sent by the first black matrix layer 103 toward the second black matrix layer 104 .
本实施例还提供一种Incell偏光片的显示面板，所述显示面板包括背光源，所述背光源设置在底部；底部偏光片，所述底部偏光片设置在所述背光源上；底部基板，所述底部基板可以为玻璃基板、聚酰亚胺薄膜基板或其他柔性基板，在本实施例中以底部玻璃基板为例说明，所述底部玻璃基板设置在所述底部偏光片上；Array阵列基板，所述array阵列基板设置在所述玻璃基板上；柱状间隔物；液晶层，所述液晶层设置在柱状间隔物周围；顶部偏光片，所述顶部偏光片设置在所述柱状间隔物上，具体地，所述顶部偏光片设置在所述第二黑色矩阵层和所述绝缘层之间；本实施例所提供的彩膜板。其中，所述彩膜板包括基板，所述基板可以为玻璃基板、聚酰亚胺薄膜基板或其他柔性基板，在本实施例中以玻璃基板为例说明；RGB像素，所述RGB像素设置在所述玻璃基板上；第一黑矩阵层，所述第一黑矩阵层设置在所述玻璃基板上；第二黑矩阵层，所述第二黑矩阵层设置在所述第一黑矩阵层上；以及绝缘层，所述绝缘层覆盖所述RGB像素和所述第二黑矩阵层；其中，所述第一黑矩阵层和所述第二黑矩阵层具有多个像素开口，所述RGB像素设置在至少部分所述像素开口中；其中，所述第一黑矩阵层内含有红外量子点，所述红外量子点可被可见光激发出红外光线。This embodiment also provides a display panel with an Incell polarizer, the display panel includes a backlight source, the backlight source is disposed on the bottom; a bottom polarizer, the bottom polarizer is disposed on the backlight source; a bottom substrate, The bottom substrate may be a glass substrate, a polyimide film substrate or other flexible substrates. In this embodiment, the bottom glass substrate is used as an example for illustration, and the bottom glass substrate is disposed on the bottom polarizer; the Array array substrate, The array array substrate is arranged on the glass substrate; a columnar spacer; a liquid crystal layer, the liquid crystal layer is arranged around the columnar spacer; a top polarizer, the top polarizer is arranged on the columnar spacer, specifically Ground, the top polarizer is arranged between the second black matrix layer and the insulating layer; the color filter plate provided in this embodiment. The color filter plate includes a substrate, which can be a glass substrate, a polyimide film substrate, or other flexible substrates. In this embodiment, a glass substrate is used as an example for illustration; RGB pixels, the RGB pixels are arranged in on the glass substrate; a first black matrix layer, the first black matrix layer is arranged on the glass substrate; a second black matrix layer, the second black matrix layer is arranged on the first black matrix layer and an insulating layer covering the RGB pixels and the second black matrix layer; wherein the first black matrix layer and the second black matrix layer have a plurality of pixel openings, and the RGB pixels It is arranged in at least part of the pixel opening; wherein, the first black matrix layer contains infrared quantum dots, and the infrared quantum dots can be excited by visible light to emit infrared light.
所述彩膜板包括第一黑矩阵层和第二黑矩阵层，所述第一黑矩阵层经过所述背光源激发产生红外光线，所述第二黑矩阵层阻挡吸收所述第一黑矩阵层朝向所述第二黑矩阵层发送的所述红外光线。The color filter plate includes a first black matrix layer and a second black matrix layer, the first black matrix layer is excited by the backlight to generate infrared light, and the second black matrix layer blocks and absorbs the first black matrix the infrared rays sent by the layer towards the second black matrix layer.
本实施例所提供的Incell偏光片的显示面板将顶部偏光片设置在所述柱状间隔物与所述彩膜板之间，具体地，所述顶部偏光片设置在所述第二黑色矩阵层和所述绝缘层之间。In the display panel of the Incell polarizer provided in this embodiment, the top polarizer is arranged between the column spacer and the color filter plate. Specifically, the top polarizer is arranged on the second black matrix layer and the color filter plate. between the insulating layers.
本实施例还提供一种指纹识别显示装置，如图3所示，为所述指纹识别显示装置的结构示意图。所述指纹识别显示装置包括：显示面板，所述显示面板包括本实施例中所述的彩膜板；指纹识别传感器301，所述指纹识别传感器301设置在所显示面板上，所述指纹识别传感器301感应所述显示面板内发送的并经过感测物体表面反射回来的红外光线；盖板，所述盖板优选的为玻璃盖板302，所述玻璃盖板302覆盖所述指纹识别传感器301，所述玻璃盖板302保护所述指纹识别传感器301和所述显示面板。This embodiment also provides a fingerprint identification display device, as shown in FIG. 3 , which is a schematic structural diagram of the fingerprint identification display device. The fingerprint identification display device includes: a display panel, which includes the color filter plate described in this embodiment; a fingerprint identification sensor 301, which is arranged on the display panel, and the fingerprint identification sensor 301 senses the infrared light sent in the display panel and reflected back by the surface of the sensing object; cover plate, the cover plate is preferably a glass cover plate 302, the glass cover plate 302 covers the fingerprint identification sensor 301, The glass cover 302 protects the fingerprint recognition sensor 301 and the display panel.
具体地，所述显示面板为常规LCD显示面板、量子点LCD显示面板、内置偏光片LCD显示面板或其他LCD显示面板，在此不做具体限定。本实施例以常规LCD显示面板为例说明。Specifically, the display panel is a conventional LCD display panel, a quantum dot LCD display panel, a built-in polarizer LCD display panel or other LCD display panels, which are not specifically limited herein. This embodiment is described by taking a conventional LCD display panel as an example.
具体地，所述LCD显示面板包括：背光源201，所述背光源201设置在底部；底部偏光片202，所述底部偏光片202设置在所述背光源201上；底部玻璃基板203，所述底部玻璃基板203设置在所述底部偏光片202上；阵列基板204，所述阵列基板204设置在所述底部玻璃基板203上；柱状间隔物205；液晶层206，所述液晶层206设置在柱状间隔物205周围；以及本实施所提供的彩膜板。其中，所述彩膜板包括：玻璃基板101；RGB像素102，所述RGB像素102设置在所述玻璃基板101上；第一黑矩阵层103，所述第一黑矩阵层103设置在所述玻璃基板101上；第二黑矩阵层104，所述第二黑矩阵层104设置在所述第一黑矩阵层103上；以及绝缘层105，所述绝缘层105覆盖所述RGB像素102和所述第二黑矩阵层104；其中，所述第一黑矩阵层103和所述第二黑矩阵层104具有多个像素开口，所述RGB像素102设置在至少部分所述像素开口中；其中，所述第一黑矩阵层103内含有红外量子点，所述红外量子点可被可见光激发。所述第一黑矩阵层103和所述第二黑矩阵层104的膜层厚度之和大于或等于所述RGB像素102的膜层厚度。Specifically, the LCD display panel includes: a backlight 201, which is arranged on the bottom; a bottom polarizer 202, which is arranged on the backlight 201; a bottom glass substrate 203, the The bottom glass substrate 203 is arranged on the bottom polarizer 202; the array substrate 204 is arranged on the bottom glass substrate 203; the column spacer 205; the liquid crystal layer 206 is arranged on the columnar around the spacer 205; and the color filter plate provided in this implementation. Wherein, the color filter plate includes: a glass substrate 101; RGB pixels 102, the RGB pixels 102 are arranged on the glass substrate 101; a first black matrix layer 103, the first black matrix layer 103 is arranged on the On the glass substrate 101; the second black matrix layer 104, the second black matrix layer 104 is disposed on the first black matrix layer 103; and the insulating layer 105, the insulating layer 105 covers the RGB pixels 102 and all The second black matrix layer 104; wherein, the first black matrix layer 103 and the second black matrix layer 104 have a plurality of pixel openings, and the RGB pixels 102 are arranged in at least part of the pixel openings; wherein, The first black matrix layer 103 contains infrared quantum dots, and the infrared quantum dots can be excited by visible light. The sum of the film thicknesses of the first black matrix layer 103 and the second black matrix layer 104 is greater than or equal to the film thickness of the RGB pixels 102 .
具体地，在本实施例所提供的指纹识别显示装置中，由于位于所述第一黑矩阵层103中的红外量子点的激发波长宽，所述红外量子点可以被可见光激发产生红外光线，红外光线不可见。因此，在所述指纹识别显示装置中，通过所述背光源201激发所述红外量子点，产生所述红外光线。在所述彩膜板中有两层黑矩阵层：所述第一黑矩阵层103和所述第二黑矩阵层104，所述第二黑矩阵层104为常规黑矩阵层，所述第二黑矩阵层104可以吸收阻挡所述红外光线向所述指纹识别显示装置内部传播，以此来控制所述红外光线的传播方向。让尽可能多的所述红外光线向所述指纹识别显示装置外部传播，达到指纹处。在使用所述指纹识别显示装置的指纹识别模组时，所述红外光线经过手指指纹的反射，将所述红外光线反射至所述指纹识别传感器301上。而所述指纹识别传感器301在进行侦测时，可以直接将可见光与不可见光进行区分，从而可以增加指纹识别度，提高指纹识别灵敏度。Specifically, in the fingerprint identification display device provided in this embodiment, since the excitation wavelength of the infrared quantum dots located in the first black matrix layer 103 is wide, the infrared quantum dots can be excited by visible light to generate infrared light, and the infrared quantum dots can be excited by visible light to generate infrared light. Light is not visible. Therefore, in the fingerprint identification display device, the infrared quantum dots are excited by the backlight source 201 to generate the infrared light. There are two black matrix layers in the color filter: the first black matrix layer 103 and the second black matrix layer 104, the second black matrix layer 104 is a conventional black matrix layer, and the second black matrix layer 104 is a conventional black matrix layer. The black matrix layer 104 can absorb and block the propagation of the infrared light into the fingerprint identification display device, so as to control the propagation direction of the infrared light. Let as much of the infrared light as possible spread to the outside of the fingerprint identification display device to reach the fingerprint. When the fingerprint identification module of the fingerprint identification display device is used, the infrared light is reflected by the fingerprint of the finger, and the infrared light is reflected to the fingerprint identification sensor 301 . The fingerprint identification sensor 301 can directly distinguish visible light from invisible light when detecting, thereby increasing the fingerprint identification degree and the fingerprint identification sensitivity.
本发明实施例提供一种彩膜板、显示面板及指纹识别显示装置，在所述彩膜板中设置两层的黑矩阵层，其中第一黑矩阵层中设置有红外量子点，所述红外量子点可由可见光激发，而第二黑矩阵层为常规的黑矩阵层。在所述彩膜板中，两层黑矩阵层提高了整体黑矩阵层的厚度，可以降低显示面板发生混色的风险。在所述第一黑矩阵层里设置所述红外量子点可以确保所述红外量子点发出的红外光线的穿透力度，而所述第二黑矩阵层可以阻挡所述红外光线向显示面板内部传播，从而控制所述红外光线的传播方向，尽可能的让所述红外光线向显示面板外传播。本实施例中的显示面板包括本实施所提供的彩膜板，在所述显示面板内的背光源可以激发所述彩膜板内的红外量子发光红外光线。根据本实施例中的显示面板所制成的指纹识别显示装置，包括显示面板和指纹识别传感器，红外量子点所发出的红外光线经过手指指纹的反射可以直接被所述指纹识别传感器感应到，以此来实现显示面板的屏下指纹识别。由于使用的是红外量子点所激发的红外光线，在所述指纹识别传感器进行侦测时可直接将可见光与不可见光进行区分，可以增加指纹识别度，提高识别灵敏度。即本实施例通过采用红外量子点作为红外光线的发光源，利用红外量子点的穿透深度大可以将照射到指纹上的红外线反射回传感器进行指纹侦测，以此来实现显示面板的屏下指纹识别。Embodiments of the present invention provide a color filter panel, a display panel and a fingerprint identification display device. Two black matrix layers are arranged in the color filter plate, wherein infrared quantum dots are arranged in the first black matrix layer, and the infrared quantum dots are arranged in the first black matrix layer. The quantum dots can be excited by visible light, and the second black matrix layer is a conventional black matrix layer. In the color filter plate, the two black matrix layers increase the thickness of the overall black matrix layer, which can reduce the risk of color mixing in the display panel. Disposing the infrared quantum dots in the first black matrix layer can ensure the penetration strength of the infrared light emitted by the infrared quantum dots, and the second black matrix layer can block the infrared light from propagating into the display panel. , so as to control the propagation direction of the infrared light, and let the infrared light propagate to the outside of the display panel as much as possible. The display panel in this embodiment includes the color filter panel provided in this embodiment, and the backlight in the display panel can excite infrared quantum emitting infrared rays in the color filter panel. The fingerprint identification display device made of the display panel in this embodiment includes a display panel and a fingerprint identification sensor. The infrared light emitted by the infrared quantum dots can be directly sensed by the fingerprint identification sensor through the reflection of the fingerprint of the finger, so as to prevent This is to realize the under-screen fingerprint recognition of the display panel. Since the infrared light excited by the infrared quantum dots is used, visible light and invisible light can be directly distinguished when the fingerprint identification sensor detects, which can increase the fingerprint identification degree and the identification sensitivity. That is, in this embodiment, by using infrared quantum dots as the light-emitting source of infrared light, the infrared quantum dots can reflect the infrared rays irradiated on the fingerprint back to the sensor for fingerprint detection by using the large penetration depth of the infrared quantum dots, so as to realize the under-screen display of the display panel. Fingerprint recognition.
综上所述，虽然本申请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申请，本领域的普通技术人员，在不脱离本申请的精神和范围内，均可作各种更动与润饰，因此本申请的保护范围以权利要求界定的范围为基准。To sum up, although the present application discloses the preferred embodiments as above, the above preferred embodiments are not intended to limit the present application. Those of ordinary skill in the art, without departing from the spirit and scope of the present application, can Therefore, the scope of protection of the present application is based on the scope defined by the claims.

Claims (17)

  1. 一种彩膜板，包括：A color filter plate, comprising:
    基板；substrate;
    RGB像素，所述RGB像素设置在所述基板上；RGB pixels, the RGB pixels are arranged on the substrate;
    第一黑矩阵层，所述第一黑矩阵层设置在所述基板上；a first black matrix layer, the first black matrix layer is disposed on the substrate;
    第二黑矩阵层，所述第二黑矩阵层设置在所述第一黑矩阵层上；以及a second black matrix layer disposed on the first black matrix layer; and
    绝缘层，所述绝缘层覆盖所述RGB像素和所述第二黑矩阵层；an insulating layer covering the RGB pixels and the second black matrix layer;
    其中，所述第一黑矩阵层和所述第二黑矩阵层具有多个像素开口，所述RGB像素设置在至少部分所述像素开口中；Wherein, the first black matrix layer and the second black matrix layer have a plurality of pixel openings, and the RGB pixels are arranged in at least part of the pixel openings;
    其中，所述第一黑矩阵层内含有红外量子点，所述红外量子点可被可见光激发。Wherein, the first black matrix layer contains infrared quantum dots, and the infrared quantum dots can be excited by visible light.
  2. 根据权利要求1所述的彩膜板，其中，所述第二黑矩阵层具有黑色颜料的高分子层，所述第二黑矩阵层用于吸收阻挡所述第一黑矩阵层朝向所述第二黑矩阵层发送的红外光线。The color filter panel according to claim 1, wherein the second black matrix layer has a polymer layer of black pigment, and the second black matrix layer is used for absorbing and blocking the first black matrix layer from facing the first black matrix layer. Two black matrix layers send infrared light.
  3. 根据权利要求2所述的彩膜板，其中，所述第二黑矩阵层内不含有红外量子点。The color filter panel according to claim 2, wherein the second black matrix layer does not contain infrared quantum dots.
  4. 根据权利要求1所述的彩膜板，其中，所述第一黑矩阵层与所述第二黑矩阵层的膜层厚度之和大于或等于所述RGB像素的膜层厚度。The color filter panel according to claim 1, wherein the sum of the film thicknesses of the first black matrix layer and the second black matrix layer is greater than or equal to the film thickness of the RGB pixels.
  5. 一种显示面板，所述显示面板包括：A display panel comprising:
    背光源，所述背光源设置在底部;a backlight, the backlight is arranged at the bottom;
    底部偏光片，所述底部偏光片设置在所述背光源上；a bottom polarizer, the bottom polarizer is arranged on the backlight;
    底部基板，所述底部基板设置在所述底部偏光片上；a bottom substrate, the bottom substrate is disposed on the bottom polarizer;
    阵列基板，所述阵列基板设置在所述底部基板上；an array substrate, the array substrate is disposed on the bottom substrate;
    柱状间隔物；column spacers;
    液晶层，所述液晶层设置在柱状间隔物周围；a liquid crystal layer, the liquid crystal layer is arranged around the column spacer;
    彩膜板；以及color filter; and
    顶部偏光片，所述顶部偏光片设置在所述彩膜板上，或者，设置在所述第二黑色矩阵层和所述绝缘层之间；a top polarizer, which is arranged on the color filter plate, or is arranged between the second black matrix layer and the insulating layer;
    其中，所述彩膜板包括基板、设置于所述基板上的RGB像素、设置于所述基板上的第一黑矩阵层、设置于所述第一黑矩阵层上的第二黑矩阵层以及覆盖所述RGB像素和所述第二黑矩阵层的绝缘层，所述第一黑矩阵层内含有红外量子点，所述红外量子点可被可见光激发。Wherein, the color filter plate includes a substrate, RGB pixels arranged on the substrate, a first black matrix layer arranged on the substrate, a second black matrix layer arranged on the first black matrix layer, and An insulating layer covering the RGB pixels and the second black matrix layer, the first black matrix layer contains infrared quantum dots, and the infrared quantum dots can be excited by visible light.
  6. 如权利要求5所述的显示面板，其中，所述第二黑矩阵层具有黑色颜料的高分子层，所述第二黑矩阵层用于吸收阻挡所述第一黑矩阵层朝向所述第二黑矩阵层发送的红外光线。The display panel of claim 5, wherein the second black matrix layer has a polymer layer of black pigment, and the second black matrix layer is used for absorbing and blocking the first black matrix layer from facing the second Infrared light sent by the black matrix layer.
  7. 根据权利要求6所述的显示面板，其中，所述第二黑矩阵层内不含有红外量子点。The display panel of claim 6, wherein the second black matrix layer does not contain infrared quantum dots.
  8. 根据权利要求5所述的显示面板，其中，所述第一黑矩阵层通过所述背光源激发产生红外光线。The display panel of claim 5, wherein the first black matrix layer is excited by the backlight to generate infrared light.
  9. 根据权利要求5所述的显示面板，其中，所述第一黑矩阵层与所述第二黑矩阵层的膜层厚度之和大于或等于所述RGB像素的膜层厚度。The display panel according to claim 5, wherein the sum of the film thicknesses of the first black matrix layer and the second black matrix layer is greater than or equal to the film thickness of the RGB pixels.
  10. 一种指纹识别显示装置，包括：A fingerprint identification display device, comprising:
    显示面板，所述显示面板包括彩膜板；a display panel, the display panel includes a color filter plate;
    指纹识别传感器，所述指纹识别传感器设置在所显示面板的出光面，所述指纹识别传感器用于感应所述显示面板内发送的并经过感测物体表面反射回来的红外光线；a fingerprint identification sensor, the fingerprint identification sensor is arranged on the light-emitting surface of the display panel, and the fingerprint identification sensor is used for sensing the infrared light sent in the display panel and reflected by the surface of the sensing object;
    盖板，所述盖板覆盖所述指纹识别传感器和所述显示面板；a cover plate, the cover plate covers the fingerprint recognition sensor and the display panel;
    其中，所述彩膜板包括基板、设置于所述基板上的RGB像素、设置于所述基板上的第一黑矩阵层、设置于所述第一黑矩阵层上的第二黑矩阵层以及覆盖所述RGB像素和所述第二黑矩阵层的绝缘层，所述第一黑矩阵层内含有红外量子点，所述红外量子点可被可见光激发。Wherein, the color filter plate includes a substrate, RGB pixels arranged on the substrate, a first black matrix layer arranged on the substrate, a second black matrix layer arranged on the first black matrix layer, and An insulating layer covering the RGB pixels and the second black matrix layer, the first black matrix layer contains infrared quantum dots, and the infrared quantum dots can be excited by visible light.
  11. 根据权利要求10所述的指纹识别显示装置，其中，所述显示面板为LCD显示面板、量子点LCD显示面板或内置偏光片LCD显示面板。The fingerprint identification display device according to claim 10, wherein the display panel is an LCD display panel, a quantum dot LCD display panel or a built-in polarizer LCD display panel.
  12. 根据权利要求10所述的指纹识别显示装置，其中，所述显示面板包括：The fingerprint recognition display device according to claim 10, wherein the display panel comprises:
    背光源，所述背光源设置在底部;a backlight, the backlight is arranged at the bottom;
    底部偏光片，所述底部偏光片设置在所述背光源上；a bottom polarizer, the bottom polarizer is arranged on the backlight;
    底部基板，所述底部基板设置在所述底部偏光片上；a bottom substrate, the bottom substrate is disposed on the bottom polarizer;
    阵列基板，所述阵列基板设置在所述底部基板上；an array substrate, the array substrate is disposed on the bottom substrate;
    柱状间隔物；column spacers;
    液晶层，所述液晶层设置在柱状间隔物周围；a liquid crystal layer, the liquid crystal layer is arranged around the column spacer;
    彩膜板；以及color filter; and
    顶部偏光片，所述顶部偏光片设置在所述彩膜板上，或者，设置在所述第二黑色矩阵层和所述绝缘层之间。A top polarizer, which is arranged on the color filter plate, or is arranged between the second black matrix layer and the insulating layer.
  13. 根据权利要求10所述的指纹识别显示装置，其中，所述第二黑矩阵层具有黑色颜料的高分子层。The fingerprint recognition display device according to claim 10, wherein the second black matrix layer has a polymer layer of black pigment.
  14. 根据权利要求13所述的指纹识别显示装置，其中，所述第二黑矩阵层用于吸收阻挡所述第一黑矩阵层朝向所述第二黑矩阵层发送的红外光线。The fingerprint identification display device according to claim 13, wherein the second black matrix layer is used for absorbing and blocking the infrared light sent by the first black matrix layer toward the second black matrix layer.
  15. 根据权利要求14所述的指纹识别显示装置，其中，所述第二黑矩阵层内不含有红外量子点。The fingerprint identification display device according to claim 14, wherein the second black matrix layer does not contain infrared quantum dots.
  16. 根据权利要求10所述的指纹识别显示装置，其中，所述第一黑矩阵层通过所述背光源激发产生红外光线。The fingerprint identification display device according to claim 10, wherein the first black matrix layer is excited by the backlight to generate infrared light.
  17. 根据权利要求10所述的指纹识别显示装置，其中，所述第一黑矩阵层和所述第二黑矩阵层的膜层厚度之和大于或等于所述RGB像素的膜层厚度。The fingerprint recognition display device according to claim 10, wherein the sum of the film thicknesses of the first black matrix layer and the second black matrix layer is greater than or equal to the film thickness of the RGB pixels.
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