WO2019105228A1 - 显示模组及移动终端 - Google Patents

显示模组及移动终端 Download PDF

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Publication number
WO2019105228A1
WO2019105228A1 PCT/CN2018/115398 CN2018115398W WO2019105228A1 WO 2019105228 A1 WO2019105228 A1 WO 2019105228A1 CN 2018115398 W CN2018115398 W CN 2018115398W WO 2019105228 A1 WO2019105228 A1 WO 2019105228A1
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WO
WIPO (PCT)
Prior art keywords
fingerprint sensing
display
component
optical fingerprint
display module
Prior art date
Application number
PCT/CN2018/115398
Other languages
English (en)
French (fr)
Inventor
张靠靠
Original Assignee
维沃移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Priority to EP18883316.4A priority Critical patent/EP3719693A4/en
Priority to US16/766,273 priority patent/US20200356747A1/en
Publication of WO2019105228A1 publication Critical patent/WO2019105228A1/zh

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    • 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
    • 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
    • G02F1/133305—Flexible substrates, e.g. plastics, organic film
    • 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
    • G02F1/13338—Input devices, e.g. touch panels
    • 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
    • G02F1/133533—Colour selective polarisers
    • 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
    • G02F1/133536—Reflective polarizers
    • 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 
    • G02F1/15—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 an electrochromic effect
    • G02F1/163—Operation of electrochromic cells, e.g. electrodeposition cells; Circuit arrangements therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • 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 
    • G02F1/15—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 an electrochromic effect
    • G02F1/163—Operation of electrochromic cells, e.g. electrodeposition cells; Circuit arrangements therefor
    • G02F2001/1635—Operation of electrochromic cells, e.g. electrodeposition cells; Circuit arrangements therefor the pixel comprises active switching elements, e.g. TFT
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/12—Details of telephonic subscriber devices including a sensor for measuring a physical value, e.g. temperature or motion

Definitions

  • the embodiments of the present disclosure relate to the field of mobile terminal technologies, and in particular, to a display module and a mobile terminal.
  • the display screen of the mobile terminal can be further increased under the condition of the same size of the whole machine.
  • the display screen of the mobile terminal removes the bottom border.
  • the front fingerprint identification module originally designed on the bottom border has no way to continue, and the fingerprint recognition module needs to be designed in other locations.
  • the fingerprint recognition module in a mobile terminal with a high screen ratio, the fingerprint recognition module generally has two design schemes.
  • the first scheme the fingerprint recognition module is disposed in the back or side frame of the mobile terminal.
  • Solution 2 A fingerprint identification area is determined in the display screen, and a fingerprint identification module is disposed below the fingerprint identification area in the display screen, and the size of the fingerprint identification module is consistent with the size of the fingerprint identification area.
  • fingerprint recognition on the back and side borders of the mobile terminal violates ergonomic requirements, resulting in poor recognition experience.
  • fingerprint recognition can only be performed in a fixed area of the screen of the mobile terminal, and the high screen cannot be satisfied. The demand for full-screen fingerprint recognition.
  • a display module comprising:
  • the fingerprint sensing component is disposed between the screen cover and the display component
  • the fingerprint sensing component includes: an optical fingerprint sensing layer, the optical fingerprint sensing layer is made of a transparent conductive material, and the sensing surface of the optical fingerprint sensing layer includes a plurality of pixel points;
  • the sensing surface of the optical fingerprint sensing layer is connected to one side of the screen cover, and the connecting surface of the optical fingerprint sensing layer is connected to the display surface of the display component;
  • the display assembly When the display assembly is in operation, light emitted by the display component is directed through the fingerprint sensing component toward the screen cover, and a portion of the light is reflected by a fingerprint pressed on the screen cover To the sensing surface of the optical fingerprint sensing layer, the texture of the fingerprint is calculated according to the amount of light received by the pixel.
  • a mobile terminal comprising a display module provided by the first aspect of the present disclosure.
  • FIG. 1 is a schematic structural diagram of a display module provided by the background art of the present disclosure
  • FIG. 2 is a schematic diagram of the operation of a display module according to an embodiment of the present disclosure
  • FIG. 3 is a schematic structural diagram of a sensing surface of an optical fingerprint sensing layer according to an embodiment of the present disclosure
  • FIG. 4 is a schematic structural diagram of another display module according to an embodiment of the present disclosure.
  • the present disclosure provides a display module and a mobile terminal to solve the problem that the full-screen fingerprint recognition of the mobile terminal cannot be satisfied in the prior art, and the user experience is poor.
  • a display module and a mobile terminal provided by the present disclosure are described in detail below by enumerating several specific embodiments.
  • the display module includes: a screen cover 10, a fingerprint sensing component 20, and a display component 30.
  • the fingerprint sensing component 20 is disposed on the screen cover 10 and
  • the fingerprint sensing component 20 includes: an optical fingerprint sensing layer 201, the optical fingerprint sensing layer 201 is made of a transparent conductive material, the sensing surface of the optical fingerprint sensing layer 201 includes a plurality of pixel points; and the optical fingerprint sensing layer 201
  • the sensing surface is connected to one side of the screen cover 10, and the connecting surface of the optical fingerprint sensing layer 201 is connected to the display surface of the display unit 30.
  • the application scenario of the display component 30 included in the display module includes, but is not limited to, an active-matrix organic light emitting diode (AMOLED) display and a thin film transistor (TFT, Thin Film Transistor)
  • AMOLED active-matrix organic light emitting diode
  • TFT thin film transistor
  • the biggest difference between a TFT display and an AMOLED display is that the AMOLED display has no backlight.
  • the screen cover 10 may be a glass cover or an organic material cover, and the side may be a 2.5D/3D arc side or a 2D plane side, which is not limited by the embodiment of the present disclosure.
  • the function of the board 10 is to protect the fingerprint sensing component 20 and the display component 30.
  • the screen cover 10 is a transparent cover, and the screen of the display component 30 can be displayed.
  • the optical fingerprint sensing layer 201 is made of a transparent conductive material and transmits light.
  • the sensing surface of the optical fingerprint sensing layer 201 includes a plurality of pixel points arranged according to a preset rule, and the pixel points can receive light and determine the amount of light, so when the finger is pressed on the screen cover 10 The light emitted by the display assembly 30 can be directed toward the finger on the screen cover 10 and reflected back to the pixel on the optical fingerprint sensing layer 201.
  • the display component 30 when the display component 30 is in operation, if the finger 40 is pressed on the screen cover 10 at this time, and the mobile terminal performs a fingerprint verification operation, at this time, the light emitted by the display component 30 passes through the fingerprint in the a direction.
  • the sensing component 20 is directed toward the screen cover 10, and a portion of the light is reflected from the b direction to the sensing surface of the optical fingerprint sensing layer 201 by the fingerprint pressed on the screen cover 10, and the fingerprint sensing component 20 receives the pixel according to the pixel point.
  • the difference between the amount of light and the preset amount of light is calculated to obtain the texture of the fingerprint corresponding to the finger 40.
  • the fingerprint component needs to display the component 30 to work, that is, the mobile terminal is in a bright screen state. If the mobile terminal is in the state of the interest screen, the screen needs to be awake and then fingerprinted.
  • FIG. 3 a schematic structural view of a sensing surface of an optical fingerprint sensing layer provided by the present disclosure is shown.
  • a transparent conductive material such as an indium tin oxide material, is used to fabricate a pattern of the sensing surface of the optical fingerprint sensing layer 201.
  • the principle is basically similar to the pixel principle of the display screen, that is, a plurality of pixel points 2011 are formed on the sensing surface of the entire optical fingerprint sensing layer 201, and each pixel point 2011 is used to collect the amount of light of the corresponding position, and the actual pattern can be according to the application requirements.
  • the design is not limited to the shape of the pattern in FIG. 3.
  • the screen cover 10 reflects a part of the light to the sensing surface of the optical fingerprint sensing layer 201, when the surface of the screen cover 10 has no fingers.
  • the amount of light of each pixel point 2011 on the sensing surface is the same, that is, the preset light amount value.
  • the finger touches the surface of the screen cover 10 the light is refracted on the uneven line of the finger surface fingerprint. The angle of the light and the brightness of the reflected light will be different.
  • the pixel point 2011 corresponding to the position on the sensing surface will sense the change of the light quantity at the position. According to this, the texture of the fingerprint is formed.
  • a display module provided by the embodiment of the present disclosure includes a screen cover, a fingerprint sensing component, and a display component.
  • the fingerprint sensing component is disposed between the screen cover and the display component.
  • the fingerprint sensing component includes: an optical fingerprint.
  • the sensing layer, the optical fingerprint sensing layer is made of a transparent conductive material, the sensing surface of the optical fingerprint sensing layer includes a plurality of pixel points; the sensing surface of the optical fingerprint sensing layer is connected to one side of the screen cover, and the connection surface of the optical fingerprint sensing layer is The display surface of the display component is connected; when the display component is working, the light emitted by the display component passes through the fingerprint sensing component and is directed toward the screen cover, and a part of the light is reflected by the fingerprint pressed on the screen cover to the optical fingerprint sensing layer.
  • the sensing surface, the fingerprint sensing component calculates the texture of the fingerprint according to the difference between the amount of light received by the pixel and the preset light amount, and achieves full-screen fingerprint recognition in the mobile terminal with high screen ratio.
  • the purpose is to improve the user experience.
  • the display component 30 includes: a first polarizer 301, an upper glass 302, and a lower glass 303.
  • One surface of a polarizer 301 is connected to the connection surface of the optical fingerprint sensing layer 201, the other surface of the first polarizer 301 is connected to one surface of the upper glass 302, and the other surface of the upper glass 302 is connected to one surface of the lower glass 303.
  • the upper glass 302 is connected. Used to protect the lower glass 303.
  • the first polarizer 301 is a polarizer.
  • the purpose of the first polarizer 301 is to filter the natural light from the outside of the mobile terminal to prevent external natural light from entering the display component 30 and the display component 30 to interfere with the AMOLED display.
  • the material of the upper glass 302 is ENCAP package glass, which serves to protect the lower glass 303 for display, and the lower glass 303 is used to emit light and display a picture.
  • one side of the lower glass 303 is plated with a conductive circuit and a light-emitting layer; the conductive circuit is connected to the light-emitting layer, and when the conductive circuit is energized, the light-emitting layer emits light to the screen cover 10.
  • a very thin conductive circuit and a light-emitting layer are plated by an electroplating process, and the light-emitting layer is made of an organic small molecule material, and can emit light under energization as a display light source. .
  • the display assembly 30 further includes: a pre-compressed foam 304 disposed on the other side of the lower glass 303.
  • the pre-compressed foam 304 is made of an elastic cushioning material and has a good shock absorbing effect, and can be used to protect the other side of the lower glass 303 to prevent the lower glass 303 from being damaged by an external force.
  • the embodiment of the present disclosure provides a fingerprint recognition implementation scheme of a display module applied to a TFT display screen.
  • the display component 30 includes: a second polarizer 305, a color filter glass 306, and a liquid crystal 307. a thin film transistor glass 308, a third polarizer 309, and a backlight 310, the thin film transistor glass 308 is used to carry the liquid crystal 307; one side of the second polarizer 305 is connected to the connection surface of the optical fingerprint sensing layer 201, and the second polarizer 305 is another.
  • One side of the color filter glass 306 is connected to the other side, the other side of the color filter glass 306 is connected to one surface of the thin film transistor glass 308, and the other side of the thin film transistor glass 308 is connected to one surface of the third polarizer 309.
  • the third polarizer 309 is connected.
  • the other side is connected to the light emitting surface of the backlight panel 310.
  • the thin film transistor glass 308 may include a plurality of thin film transistors each for carrying a portion of the liquid crystal 307 such that the pixels of each liquid crystal 307 are thin film transistors that can be integrated behind the pixel points.
  • TFT display is also a kind of active matrix liquid crystal display device.
  • Color filter glass 306 can provide red, green and blue light, filter other light to achieve different color display, and backlight 310 is used to emit The backlight is used as a light source for display component 30 display.
  • the polarization direction of the second polarizer 305 is perpendicular to the polarization direction of the third polarizer 309, wherein the third polarizer 309 is used to polarize the light emitted by the backlight 310 by 90 degrees, so that the light polarized by 90 degrees passes.
  • the liquid crystal 307 in the thin film transistor glass 308 is further subjected to a change in polarization direction, and then the light is further deflected by 90 degrees by the second polarizer 305, so that the natural light emitted from the backlight 310 is converted into polarized light for display.
  • the fingerprint sensing component further includes: a flexible circuit board 202 and an optical fingerprint integrated circuit 203; one end of the flexible circuit board 202 is connected to the optical fingerprint sensing layer 201, and the other end of the flexible circuit board 202 is The optical fingerprint integrated circuit 203 is connected.
  • the flexible circuit board 202 is configured to transmit fingerprint data collected by the optical fingerprint sensing layer 201, and the optical fingerprint integrated circuit 203 is configured to process and match the fingerprint data to determine whether the fingerprint data and the preset fingerprint are used.
  • the fingerprint data in the library matches.
  • the display module further includes: a photoresist layer 50 disposed between the connection surface of the optical fingerprint sensing layer 201 and the display surface of the display component 30 .
  • the photoresist is a light transmissive adhesive for bonding the fingerprint sensing component 20 and the display assembly 30.
  • the material of the optical fingerprint sensing layer 201 is transparent indium tin oxide.
  • indium tin oxide ITO, Indium Tin Oxides
  • ITO Indium Tin Oxides
  • nano-indium tin metal oxide has good electrical conductivity and transparency, and can cut off electron radiation, ultraviolet rays and far infrared rays harmful to the human body. Therefore, indium tin oxide is usually sprayed on glass, plastic and electronic display screens, used as a transparent conductive film, while reducing the harmful electronic radiation to the human body.
  • the material of the optical fingerprint sensing layer 201 is transparent indium tin oxide, which can ensure optical In the case of the conductive property of the fingerprint sensing layer 201, the light transmittance of the optical fingerprint sensing layer 201 is improved.
  • the embodiment of the present disclosure further provides a mobile terminal including the display module in the embodiment of the present disclosure, and the mobile terminal may be various mobile terminals such as a mobile phone and a tablet computer.
  • a display module and a mobile terminal include a screen cover, a fingerprint sensing component, and a display component.
  • the fingerprint sensing component is disposed between the screen cover and the display component; the fingerprint sensing component includes The optical fingerprint sensing layer is made of a transparent conductive material, and the sensing surface of the optical fingerprint sensing layer includes a plurality of pixel points; the sensing surface of the optical fingerprint sensing layer is connected to one side of the screen cover, and the optical fingerprint sensing layer is The connection surface is connected to the display surface of the display component; when the display component is in operation, the light emitted by the display component passes through the fingerprint sensing component to the screen cover, and a part of the light is reflected to the optical by the fingerprint pressed on the screen cover.
  • the sensing surface of the fingerprint sensing layer calculates the texture of the fingerprint according to the difference between the amount of light received by the pixel and the preset light amount, and achieves full screen in the mobile terminal with high screen ratio.
  • the purpose of fingerprint recognition can improve the user experience.

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Abstract

本公开提供了一种显示模组及移动终端。显示模组包括屏幕盖板、指纹感应组件、显示组件，指纹感应组件设置在屏幕盖板与显示组件之间；指纹感应组件包括：光学指纹感应层，光学指纹感应层由透明导电材料制成，光学指纹感应层的感应面包括多个像素点；光学指纹感应层的感应面与屏幕盖板的一面连接，光学指纹感应层的连接面与显示组件的显示面连接；当显示组件工作时，显示组件发出的光线穿过指纹感应组件射向屏幕盖板，并由按压在屏幕盖板上的指纹反射至光学指纹感应层的感应面，指纹感应组件根据像素点接收到的光线的光量，计算得到指纹的纹路。

Description

显示模组及移动终端
相关申请的交叉引用
本申请主张在2017年11月30日在中国提交的中国专利申请No.201711243216.0的优先权，其全部内容通过引用包含于此。
技术领域
本公开实施例涉及移动终端技术领域，尤其涉及一种显示模组及移动终端。
背景技术
随着全面屏手机产品的问世，在相同大小的整机尺寸的条件下，移动终端的显示屏可以进一步加大，在高屏占比的设计需求下，移动终端的显示屏去除了底部边框，则原先设计在底部边框的前置指纹识别模块没有办法继续保留，指纹识别模块需要设计在其他位置。
在相关技术中，在高屏占比的移动终端中，指纹识别模块通常有两种设计方案，方案一：将指纹识别模块设置在移动终端的背部或侧边框中。方案二：在显示屏中确定一指纹识别区域，在显示屏中该指纹识别区域下方设置指纹识别模块，指纹识别模块的大小与指纹识别区域的大小一致。
但是，方案一中，在移动终端的背部和侧边框进行指纹识别违背人体工程学要求，造成识别体验度较差，方案二中只能够在移动终端屏幕的固定区域进行指纹识别，无法满足高屏占比下全屏指纹识别的需求。
发明内容
根据本公开的第一方面，提供了一种显示模组，所述显示模组包括：
屏幕盖板、指纹感应组件、显示组件，
所述指纹感应组件设置在所述屏幕盖板与所述显示组件之间；
所述指纹感应组件包括：光学指纹感应层，所述光学指纹感应层由透明导电材料制成，所述光学指纹感应层的感应面包括多个像素点；
所述光学指纹感应层的感应面与所述屏幕盖板的一面连接，所述光学指纹感应层的连接面与所述显示组件的显示面连接；
当所述显示组件工作时，所述显示组件发出的光线穿过所述指纹感应组件射向所述屏幕盖板，并由按压在所述屏幕盖板上的指纹将所述光线中的一部分反射至所述光学指纹感应层的感应面，根据所述像素点接收到的光线的光量，计算得到所述指纹的纹路。
根据本公开的第二方面，提供了一种移动终端，所述移动终端包括本公开第一方面提供的一种显示模组。
附图说明
为了更清楚地说明本公开实施例的技术方案，下面将对本公开实施例的描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本公开的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1是本公开背景技术提供的一种显示模组的结构示意图；
图2是本公开实施例提供的一种显示模组的工作示意图；
图3是本公开实施例提供的一种光学指纹感应层的感应面的结构示意图；
图4是本公开实施例提供的另一种显示模组的结构示意图。
具体实施方式
下面将结合本公开实施例中的附图，对本公开实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本公开一部分实施例，而不是全部的实施例。基于本公开中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本公开保护的范围。
本公开提供一种显示模组及移动终端，以解决现有技术中无法满足高屏占比下移动终端全屏指纹识别的需求，造成用户使用体验度较差的问题。
下面通过列举几个具体的实施例详细介绍本公开提供的一种显示模组及移动终端。
参照图1，示出了本公开提供的一种显示模组的结构示意图，显示模组包括：屏幕盖板10、指纹感应组件20、显示组件30，指纹感应组件20设置 在屏幕盖板10与显示组件30之间；指纹感应组件20包括：光学指纹感应层201，光学指纹感应层201由透明导电材料制成，光学指纹感应层201的感应面包括多个像素点；光学指纹感应层201的感应面与屏幕盖板10的一面连接，光学指纹感应层201的连接面与显示组件30的显示面连接。
在本公开实施例中，显示模组包括的显示组件30的应用场景包括但不限于有源矩阵有机发光二极体面板(AMOLED，Active-matrix organic light emitting diode)显示屏和薄膜晶体管(TFT，Thin Film Transistor)显示屏，TFT显示屏与AMOLED显示屏的最大区别就是AMOLED显示屏没有背光板。
进一步的，屏幕盖板10可以为玻璃盖板或有机材料盖板，其侧边可以为2.5D/3D弧度侧边，也可以为2D平面侧边，本公开实施例对此不作限定，屏幕盖板10的作用是保护指纹感应组件20和显示组件30，同时，屏幕盖板10为透明盖板，可以显示显示组件30的画面，另外，光学指纹感应层201由透明导电材料制成，透光性能较好，且光学指纹感应层201的感应面包括多个按照预设规则排布的像素点，该像素点可以接收光线，并判断光线的光量，因此，当手指按压在屏幕盖板10时，显示组件30发出的光线可以射向屏幕盖板10上的手指，并反射回光学指纹感应层201上的像素点。
具体的，参照图2，当显示组件30工作时，若此时手指40按压在屏幕盖板10上，且移动终端进行指纹验证动作，此时，显示组件30发出的光线由a方向穿过指纹感应组件20射向屏幕盖板10，并由按压在屏幕盖板10上的指纹将光线中的一部分由b方向反射至光学指纹感应层201的感应面，指纹感应组件20根据像素点接收到的光线的光量与预设光量值之间的差值，计算得到手指40对应指纹的纹路。需要说明的是，进行指纹识别需显示组件30工作，即移动终端处于亮屏状态，若移动终端处于息屏状态，则需要唤醒屏幕再进行指纹识别。
进一步参照图3，示出了本公开提供的一种光学指纹感应层的感应面的结构示意图，使用透明的导电材料，如氧化铟锡材料来制作光学指纹感应层201的感应面的图案，制作原理与显示屏的像素原理基本类似，即在整个光学指纹感应层201的感应面上做很多像素点2011，每个像素点2011用来收集对应位置的光线的光量，实际图案可以根据应用的需求进行设计，不局限于 图3中的图案形状，在移动终端进行指纹验证动作时，屏幕盖板10将光线中的一部分反射至光学指纹感应层201的感应面，当屏幕盖板10表面没有手指按触摸的时候，感应面上的每个像素点2011的光量是一样的，即为预设光量值，当手指触摸屏幕盖板10表面时，光线在手指表面指纹凹凸不平的线纹上折射的角度及反射回去的光线明暗就会不一样，感应面上对应位置的像素点2011会感应该位置光量的变化，据此形成指纹的纹路。
综上所述，本公开实施例提供的一种显示模组，包括屏幕盖板、指纹感应组件、显示组件，指纹感应组件设置在屏幕盖板与显示组件之间；指纹感应组件包括：光学指纹感应层，光学指纹感应层由透明导电材料制成，光学指纹感应层的感应面包括多个像素点；光学指纹感应层的感应面与屏幕盖板的一面连接，光学指纹感应层的连接面与显示组件的显示面连接；当显示组件工作时，显示组件发出的光线穿过指纹感应组件射向屏幕盖板，并由按压在屏幕盖板上的指纹将光线中的一部分反射至光学指纹感应层的感应面，指纹感应组件根据像素点接收到的光线的光量与预设光量值之间的差值，计算得到指纹的纹路，达到了在高屏占比的移动终端中进行全屏指纹识别的目的，可提高了用户体验度。
可选地，本公开实施例提供了一种显示模组应用于AMOLED显示屏的指纹识别实现方案，参照图1，显示组件30包括：第一偏光片301、上层玻璃302和下层玻璃303，第一偏光片301的一面与光学指纹感应层201的连接面连接，第一偏光片301的另一面与上层玻璃302的一面连接，上层玻璃302的另一面与下层玻璃303的一面连接，上层玻璃302用于保护下层玻璃303。
在本公开实施例中，第一偏光片301是一种偏振光片，其目的是将移动终端外界的自然光进行过滤，避免外界自然光射入显示组件30与显示组件30发生光干涉，影响AMOLED显示屏的正常使用，另外，上层玻璃302的材料为ENCAP封装玻璃，作用是保护用于显示的下层玻璃303，下层玻璃303用于发出光线，显示画面。
可选地，在下层玻璃303的一面电镀有导电电路和发光层；导电电路与发光层连接，当导电电路通电时，发光层向屏幕盖板10发射光线。在下层玻 璃303面对上层玻璃的302一面通过电镀工艺电镀有极薄的导电电路和发光层，发光层是由有机小分子材料制成，可以在通电的情况下发射出光线，以作为显示光源。
可选地，参照图1，显示组件30还包括：预压泡棉304，预压泡棉304设置在下层玻璃303的另一面。预压泡棉304是由弹性缓冲材料制成的，具有较好的减震作用，可以用来保护下层玻璃303的另一面，防止下层玻璃303受到外力冲击发生损坏。
可选地，本公开实施例提供了一种显示模组应用于TFT显示屏的指纹识别实现方案，参照图4，显示组件30包括：第二偏光片305、彩色滤光玻璃306、液晶307、薄膜晶体管玻璃308、第三偏光片309和背光板310，薄膜晶体管玻璃308用于承载液晶307；第二偏光片305的一面与光学指纹感应层201的连接面连接，第二偏光片305的另一面与彩色滤光玻璃306的一面连接，彩色滤光玻璃306的另一面与薄膜晶体管玻璃308的一面连接，薄膜晶体管玻璃308的另一面与第三偏光片309的一面连接，第三偏光片309的另一面与背光板310的发光面连接。
在本公开实施例中，薄膜晶体管玻璃308中可以包括多个薄膜晶体管，每个薄膜晶体管用于承载一部分液晶307，使得每个液晶307的像素点都是可以由集成在像素点后面的薄膜晶体管来驱动，因此TFT显示屏也是一类有源矩阵液晶显示设备，彩色滤光片玻璃306可以提供红绿蓝三色光，滤去其他光，以实现不同颜色的显示，背光板310则用于发出背光，作为显示组件30显示的光源。
可选地，第二偏光片305的偏振方向垂直于第三偏光片309的偏振方向，其中，第三偏光片309用于将背光板310发出的光线偏振90度，使得偏振90度的光线通过薄膜晶体管玻璃308中的液晶307后进一步发生偏振方向的变化，之后，光线再通过第二偏光片305进行偏转90度，使得背光板310发出的自然光被转换为用于显示的偏振光。
可选地，参照图1和图4，指纹感应组件还包括：柔性电路板202和光学指纹集成电路203；柔性电路板202的一端与光学指纹感应层201连接，柔性电路板202的另一端与光学指纹集成电路203连接。
在本公开实施例中，柔性电路板202用于传输光学指纹感应层201采集到的指纹数据，光学指纹集成电路203用于对该指纹数据进行处理和匹配，以确定指纹数据是否与预置指纹库中的指纹数据匹配。
可选地，参照图1和图4，显示模组还包括：光刻胶层50，光刻胶层20设置于光学指纹感应层201的连接面与显示组件30的显示面之间。光刻胶是一种透光性较好的粘合剂，用于粘合指纹感应组件20和显示组件30.
可选地，光学指纹感应层201的材料为透明氧化铟锡。在化学上，氧化铟锡(ITO，Indium Tin Oxides)作为纳米铟锡金属氧化物，具有很好的导电性和透明性，可以切断对人体有害的电子辐射、紫外线及远红外线。因此，铟锡氧化物通常喷涂在玻璃、塑料及电子显示屏上，用作透明导电薄膜，同时减少对人体有害的电子辐射，光学指纹感应层201的材料为透明氧化铟锡，可以在保证光学指纹感应层201的导电性能的情况下，提高了光学指纹感应层201的透光性。
本公开的实施例还提供了一种包括本公开实施例中显示模组的移动终端，该移动终端可以是手机、平板电脑等各种移动终端。
综上所述，本公开实施例提供的一种显示模组及移动终端，包括屏幕盖板、指纹感应组件、显示组件，指纹感应组件设置在屏幕盖板与显示组件之间；指纹感应组件包括：光学指纹感应层，光学指纹感应层由透明导电材料制成，光学指纹感应层的感应面包括多个像素点；光学指纹感应层的感应面与屏幕盖板的一面连接，光学指纹感应层的连接面与显示组件的显示面连接；当显示组件工作时，显示组件发出的光线穿过指纹感应组件射向屏幕盖板，并由按压在屏幕盖板上的指纹将光线中的一部分反射至光学指纹感应层的感应面，指纹感应组件根据像素点接收到的光线的光量与预设光量值之间的差值，计算得到指纹的纹路，达到了在高屏占比的移动终端中进行全屏指纹识别的目的，可提高了用户体验度。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
以上所述仅为本公开的可选实施例而已，并不用以限制本公开，凡在本 公开的原则之内所作的任何修改、等同替换和改进等，均应包含在本公开的保护范围之内。
以上所述，仅为本公开的具体实施方式，但本公开的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本公开揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本公开的保护范围之内。因此，本公开的保护范围应以权利要求的保护范围为准。

Claims (11)

  1. 一种显示模组，所述显示模组应用于移动终端，其中，所述显示模组包括：
    屏幕盖板、指纹感应组件、显示组件，
    所述指纹感应组件设置在所述屏幕盖板与所述显示组件之间；
    所述指纹感应组件包括：光学指纹感应层，所述光学指纹感应层由透明导电材料制成，所述光学指纹感应层的感应面包括多个像素点；
    所述光学指纹感应层的感应面与所述屏幕盖板的一面连接，所述光学指纹感应层的连接面与所述显示组件的显示面连接；
    当所述显示组件工作时，所述显示组件发出的光线穿过所述指纹感应组件射向所述屏幕盖板，并由按压在所述屏幕盖板上的指纹将所述光线中的一部分反射至所述光学指纹感应层的感应面，根据所述像素点接收到的光线的光量，计算得到所述指纹的纹路。
  2. 根据权利要求1所述的显示模组，其中，所述显示组件包括：
    第一偏光片、上层玻璃和下层玻璃，
    所述第一偏光片的一面与所述光学指纹感应层的连接面连接，所述第一偏光片的另一面与所述上层玻璃的一面连接，所述上层玻璃的另一面与所述下层玻璃的一面连接。
  3. 根据权利要求2所述的显示模组，其中，
    在所述下层玻璃的一面电镀有导电电路和发光层；
    所述导电电路与所述发光层连接。
  4. 根据权利要求3所述的显示模组，其中，所述显示组件还包括：
    预压泡棉，所述预压泡棉设置在所述下层玻璃的另一面。
  5. 根据权利要求1所述的显示模组，其中，所述显示组件包括：
    第二偏光片、彩色滤光玻璃、液晶、薄膜晶体管玻璃、第三偏光片和背光板，
    所述薄膜晶体管玻璃用于承载所述液晶；
    所述第二偏光片的一面与所述光学指纹感应层的连接面连接，所述第二偏光片的另一面与所述彩色滤光玻璃的一面连接，所述彩色滤光玻璃的另一 面与所述薄膜晶体管玻璃的一面连接，所述薄膜晶体管玻璃的另一面与所述第三偏光片的一面连接，所述第三偏光片的另一面与所述背光板的发光面连接。
  6. 根据权利要求5所述的显示模组，其中，
    所述第二偏光片的偏振方向垂直于所述第三偏光片的偏振方向。
  7. 根据权利要求1所述的显示模组，其中，所述指纹感应组件还包括：
    柔性电路板和光学指纹集成电路；
    所述柔性电路板的一端与所述光学指纹感应层连接，所述柔性电路板的另一端与所述光学指纹集成电路连接。
  8. 根据权利要求1所述的显示模组，其中，所述显示模组还包括：
    光刻胶层，所述光刻胶层设置于所述光学指纹感应层的连接面与所述显示组件的显示面之间。
  9. 根据权利要求1所述的显示模组，其中，
    所述光学指纹感应层的材料为透明氧化铟锡。
  10. 一种移动终端，包括权利要求1至9任一所述的显示模组。
  11. 根据权利要求10所述的移动终端，包括手机、平板电脑中的一种。
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