WO2020113839A1 - 具有屏下指纹识别功能的显示装置及电子装置 - Google Patents

具有屏下指纹识别功能的显示装置及电子装置 Download PDF

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Publication number
WO2020113839A1
WO2020113839A1 PCT/CN2019/078099 CN2019078099W WO2020113839A1 WO 2020113839 A1 WO2020113839 A1 WO 2020113839A1 CN 2019078099 W CN2019078099 W CN 2019078099W WO 2020113839 A1 WO2020113839 A1 WO 2020113839A1
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Prior art keywords
light
layer
display device
fingerprint recognition
recognition function
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PCT/CN2019/078099
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English (en)
French (fr)
Inventor
孙业熙
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武汉华星光电半导体显示技术有限公司
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Priority to US16/479,598 priority Critical patent/US20210350103A1/en
Publication of WO2020113839A1 publication Critical patent/WO2020113839A1/zh

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/31—User authentication
    • G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • G06V10/12—Details of acquisition arrangements; Constructional details thereof
    • G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
    • G06V10/141—Control of illumination
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • G06V10/12—Details of acquisition arrangements; Constructional details thereof
    • G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
    • G06V10/147—Details of sensors, e.g. sensor lenses
    • 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
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
    • 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
    • G06V40/1324—Sensors therefor by using geometrical optics, e.g. using prisms
    • 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
    • G06V40/1329—Protecting the fingerprint sensor against damage caused by the finger
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/04—Maintaining the quality of display appearance
    • G09G2320/043—Preventing or counteracting the effects of ageing
    • G09G2320/046—Dealing with screen burn-in prevention or compensation of the effects thereof
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/60—OLEDs integrated with inorganic light-sensitive elements, e.g. with inorganic solar cells or inorganic photodiodes
    • H10K59/65—OLEDs integrated with inorganic image sensors
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80—Constructional details
    • H10K59/8791—Arrangements for improving contrast, e.g. preventing reflection of ambient light

Definitions

  • the present disclosure relates to a display device, and in particular to a display device and an electronic device with an under-screen fingerprint recognition function.
  • a display device with an under-screen fingerprint recognition function is a popular product in the field of small-sized display devices recently.
  • the advantage of the off-screen fingerprint recognition function is to maximize the display area of the screen of the display device and increase the screen ratio, so it can bring a better visual experience to the user.
  • the current mainstream under-screen fingerprint recognition technology uses the light signal emitted by the panel of the display device to reflect to the light sensor below the fingerprint recognition area after being reflected by the finger fingerprint, and then transmits the fingerprint information to the processor, thereby unlocking the screen.
  • organic light-emitting diodes Organic Light Emitting Diode (OLED) has limited lifespan, and the brightness of the light signal generated by the screen should not be too high. Therefore, the light signal reaching the light sensor used for fingerprint recognition is weak, which significantly reduces the success rate and accuracy of fingerprint recognition.
  • the OLED device on the fingerprint recognition area has the risk of screen burn.
  • the purpose of the present disclosure is to provide a display device and an electronic device with an under-screen fingerprint recognition function, which can solve the problem that the fingerprint recognition success rate and accuracy rate in the prior art significantly decrease.
  • a display device with an under-screen fingerprint recognition function includes: a light sensing layer for sensing a fingerprint; a light source layer disposed on the light sensing layer and used for generating light
  • the image display module is provided on the light source layer and used to emit light to display images and an anti-interference layer is provided on the image display module and used to prevent ambient light interference, wherein the light source layer includes an infrared light source, the light
  • the sensing layer includes an infrared light receiver.
  • the display device with an on-screen fingerprint recognition function further includes: a cover plate disposed on the anti-interference layer and used to protect the light sensing layer, the light source layer, and the image display Module and the anti-interference layer.
  • the anti-interference layer is a polarizer.
  • the image display module includes: a substrate disposed on the light source layer; a thin film transistor layer disposed on the substrate; and an organic light emitting diode layer disposed on the thin film transistor layer and responding Under the control of the thin film transistor layer, light is emitted to display the image.
  • the light source layer when the fingerprint recognition function of the display device with under-screen fingerprint recognition function is turned on, the light source layer emits light, and the light generated by the light source layer and the light generated by the image display module will reach the light source.
  • the light reflected by the fingerprint will reach the light sensing layer, and the light signal sensed by the light sensing layer is transmitted to the control module of the display device with an under-screen fingerprint recognition function, through the After the recognition by the control module, the screen of the display device with the off-screen fingerprint recognition function is unlocked.
  • a display device with an under-screen fingerprint recognition function includes: a light sensing layer for sensing a fingerprint; a light source layer disposed on the light sensing layer and used for generating light And an image display module, which is arranged on the light source layer and used to emit light to display an image.
  • the display device with an under-screen fingerprint recognition function further includes: a cover plate, disposed on the image display module and used to protect the light sensing layer, the light source layer, and the image display Module.
  • the display device with an under-screen fingerprint recognition function further includes: an anti-interference layer, which is disposed on the image display module and is used to prevent ambient light interference.
  • the display device with an on-screen fingerprint recognition function further includes: a cover plate disposed on the anti-interference layer and used to protect the light sensing layer, the light source layer, and the image display Module and the anti-interference layer.
  • the anti-interference layer is a polarizer.
  • the image display module includes: a substrate disposed on the light source layer; a thin film transistor layer disposed on the substrate; and an organic light emitting diode layer disposed on the thin film transistor layer and responding Under the control of the thin film transistor layer, light is emitted to display the image.
  • the light source layer when the fingerprint recognition function of the display device with under-screen fingerprint recognition function is turned on, the light source layer emits light, and the light generated by the light source layer and the light generated by the image display module will reach the light source.
  • the light reflected by the fingerprint will reach the light sensing layer, and the light signal sensed by the light sensing layer is transmitted to the control module of the display device with an under-screen fingerprint recognition function, through the After the recognition by the control module, the screen of the display device with the off-screen fingerprint recognition function is unlocked.
  • An electronic device provided by the present disclosure includes a display device with an under-screen fingerprint recognition function.
  • the display device with an under-screen fingerprint recognition function includes: a light sensing layer for sensing a fingerprint; The light sensing layer is used to generate light; and the image display module is disposed on the light source layer and used to emit light to display an image.
  • the display device with an under-screen fingerprint recognition function further includes: an anti-interference layer, which is disposed on the image display module and is used to prevent ambient light interference.
  • the light source layer when the fingerprint recognition function of the display device with under-screen fingerprint recognition function is turned on, the light source layer emits light, and the light generated by the light source layer and the light generated by the image display module will reach the light source.
  • the light reflected by the fingerprint will reach the light sensing layer, and the light signal sensed by the light sensing layer is transmitted to the control module of the display device with an under-screen fingerprint recognition function, through the After the recognition by the control module, the screen of the display device with the off-screen fingerprint recognition function is unlocked.
  • the light source layer is provided between the light sensing layer and the image display module, it can be increased The light reaching the fingerprint increases the light reflected by the fingerprint, thereby improving the accuracy of fingerprint recognition.
  • the burden of light required for fingerprint recognition can be reduced by the organic light emitting diode layer of the image display module, the risk of screen burning can be reduced.
  • FIG. 1 shows a display device with an off-screen fingerprint recognition function according to an embodiment of the present disclosure.
  • FIG. 2 shows a schematic diagram of the fingerprint recognition of the display device with the off-screen fingerprint recognition function of FIG. 1.
  • FIG. 3 shows a display device with an off-screen fingerprint recognition function according to another embodiment of the present disclosure.
  • FIG. 4 shows an electronic device according to an embodiment of the present disclosure.
  • FIG. 1 shows a display device with an off-screen fingerprint recognition function according to an embodiment of the present disclosure.
  • the display device is an organic light emitting diode (Organic Light Emitting Diode, OLED) display device.
  • OLED Organic Light Emitting Diode
  • the display device includes a light sensing layer 10, a light source layer 20, an image display module 30 and a cover 40.
  • the light sensing layer 10 includes at least one light sensor and is used to sense a fingerprint.
  • the light source layer 20 is disposed on the light sensing layer 10 and used to generate light.
  • the image display module 30 is disposed on the light source layer 20 and used to emit light to display an image.
  • the light source layer 20 includes an infrared light source
  • the light sensing layer 10 includes an infrared light receiver
  • the cover plate 40 is disposed on the image display module 30 and is used to protect the light sensing layer 10, the light source layer 20 and the image display module 30.
  • the light source layer 20 is provided between the light sensing layer 10 and the image display module 30, and the light generated by the light source layer 20 can increase the light reaching the fingerprint, thereby increasing The light reflected by the fingerprint improves the accuracy of fingerprint recognition.
  • the image display module 30 includes a substrate 300, a thin film transistor layer 302, and an organic light emitting diode layer 304.
  • the substrate 300 is disposed on the light source layer 20 and serves as a supporting substrate for the thin film transistor layer 302 and the organic light emitting diode layer 304.
  • the thin film transistor layer 302 is disposed on the substrate 300 and used for signal transmission.
  • the thin film transistor layer 302 includes multiple thin film transistors.
  • the organic light emitting diode layer 304 is disposed on the thin film transistor layer 302 and emits light in response to the control of the thin film transistor layer 302 to display the image.
  • the organic light emitting diode layer 304 includes a plurality of organic light emitting diodes.
  • the plurality of organic light emitting diodes are organic light emitting diodes that can display colored light.
  • FIG. 2 shows a schematic diagram of the fingerprint device 100 of FIG. 1 having an off-screen fingerprint recognition function.
  • the light source layer 20 When the fingerprint recognition function of the display device is turned on, the light source layer 20 emits light, and the light generated by the light source layer 20 and the light generated by the image display module 30 (organic light emitting diode layer 304) will reach the fingerprint 100 The light reflected by the fingerprint 100 will reach the light-sensing layer 10, and the light signal sensed by the light-sensing layer 10 is transmitted to a control module 60 of one of the display devices. After recognition, the screen of the display device can be unlocked.
  • FIG. 3 shows a display device with an off-screen fingerprint recognition function according to another embodiment of the present disclosure.
  • the display device is an organic light emitting diode (Organic Light Emitting Diode, OLED) display device.
  • OLED Organic Light Emitting Diode
  • the display device includes a light sensing layer 10, a light source layer 20, an image display module 30, an anti-interference layer 50, and a cover plate 40.
  • the light sensing layer 10 includes at least one light sensor and is used to sense a fingerprint.
  • the light source layer 20 is disposed on the light sensing layer 10 and used to generate light.
  • the image display module 30 is disposed on the light source layer 20 and used to emit light to display an image.
  • the display device of this embodiment further includes the anti-interference layer 50.
  • the anti-interference layer 50 is disposed on the image display module 30 and is used to prevent ambient light interference. More specifically, the anti-interference layer 50 is disposed between the image display module 30 and the cover 40.
  • the anti-interference layer 50 is an optional component.
  • the anti-interference layer 50 may be a polarizer.
  • the cover plate 40 is disposed on the anti-interference layer 50 and is used to protect the light sensing layer 10, the light source layer 20, the image display module 30 and the anti-interference layer 50.
  • the light source layer 20 is provided between the light sensing layer 10 and the image display module 30, and the light generated by the light source layer 20 can increase the light reaching the fingerprint and increase The light reflected by the fingerprint improves the accuracy of fingerprint recognition.
  • the image display module 30 includes a substrate 300, a thin film transistor layer 302, and an organic light emitting diode layer 304.
  • the substrate 300 is disposed on the light source layer 20 and serves as a supporting substrate for the thin film transistor layer 302 and the organic light emitting diode layer 304.
  • the thin film transistor layer 302 is disposed on the substrate 300 and used for signal transmission.
  • the thin film transistor layer 302 includes multiple thin film transistors.
  • the organic light emitting diode layer 304 is disposed on the thin film transistor layer 302 and emits light in response to the control of the thin film transistor layer 302 to display the image.
  • the organic light emitting diode layer 304 includes a plurality of organic light emitting diodes.
  • the plurality of organic light emitting diodes are organic light emitting diodes that can display colored light.
  • the principle of the fingerprint recognition of the display device in FIG. 3 can refer to the related description in FIG. 2, and will not be repeated here.
  • FIG. 4 shows an electronic device 200 according to an embodiment of the present disclosure.
  • the electronic device includes the display device 210 with an off-screen fingerprint recognition function shown in FIG. 1 or FIG. 2.
  • the structure of the display device 210 with an off-screen fingerprint recognition function and the principle of fingerprint recognition can be referred to the related descriptions in FIG. 1 to FIG. 3 and will not be repeated here.
  • the light source layer is provided between the light sensing layer and the image display module, the light reaching the fingerprint can be increased, thereby increasing The light reflected by the fingerprint improves the accuracy of fingerprint identification.
  • the burden of light required for fingerprint recognition can be reduced by the organic light emitting diode layer of the image display module, the risk of screen burning can be reduced.

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Abstract

一种具有屏下指纹识别功能的显示装置包括：光感测层，用于感测一指纹；光源层，设置于所述光感测层上并用于产生光线；以及影像显示模块，设置于所述光源层上并用于发光以显示影像。还提供一种电子装置。

Description

具有屏下指纹识别功能的显示装置及电子装置 技术领域
本揭示涉及显示装置，特别是涉及一种具有屏下指纹识别功能的显示装置及电子装置。
 背景技术
具有屏下指纹识别功能的显示装置是近期以来小尺寸显示装置领域的热门产品。屏下指纹识别功能的优势在于最大化的利用显示装置的屏幕的显示面积，提高屏占比，因此能给使用者带来更好的视觉体验。
目前主流的屏下指纹识别技术是利用显示装置的面板发出的光信号经过手指指纹反射后到达指纹识别区域下方的光传感器，再将指纹信息传达至处理器，藉此实现屏幕解锁。然而，由于有机发光二极管（Organic Light Emitting Diode，OLED）发光材料的寿命限制，屏幕产生的光信号亮度不可太高，因此到达用于指纹识别的光传感器的光信号较弱，使指纹识别成功率和准确率明显下降。此外，指纹识别区上的OLED器件存在烧屏风险。
因此，需要对现有技术中的问题提出解决方法。
 技术问题
本揭示的目的在于提供一种具有屏下指纹识别功能的显示装置及电子装置，其能解决现有技术中指纹识别成功率和准确率明显下降的问题。
 技术解决方案
为解决上述问题，本揭示提供的一种具有屏下指纹识别功能的显示装置包括：光感测层，用于感测一指纹；光源层，设置于所述光感测层上并用于产生光线；影像显示模块，设置于所述光源层上并用于发光以显示影像以及抗干扰层，设置于所述影像显示模块上并用于防止环境光干扰，其中所述光源层包括红外光源，所述光感测层包括红外光接收器。
于一实施例中，所述具有屏下指纹识别功能的显示装置进一步包括：盖板，设置于所述抗干扰层上并用于保护所述光感测层、所述光源层、所述影像显示模块以及所述抗干扰层。
于一实施例中，所述抗干扰层为偏光片。
于一实施例中，所述影像显示模块包括：基板，设置于所述光源层上；薄膜晶体管层，设置于所述基板上；以及有机发光二极管层，设置于所述薄膜晶体管层上并响应于所述薄膜晶体管层的控制而发光以显示所述影像。
于一实施例中，当所述具有屏下指纹识别功能的显示装置的指纹识别功能开启时，所述光源层发光，所述光源层产生的光线以及所述影像显示模块产生的光线会到达所述指纹，经过所述指纹反射的光线会到达所述光感测层，所述光感测层感测的光信号传送到所述具有屏下指纹识别功能的显示装置之控制模块，通过所述控制模块的辨识后完成所述具有屏下指纹识别功能的显示装置的屏幕解锁。
为解决上述问题，本揭示提供的一种具有屏下指纹识别功能的显示装置包括：光感测层，用于感测一指纹；光源层，设置于所述光感测层上并用于产生光线；以及影像显示模块，设置于所述光源层上并用于发光以显示影像。
于一实施例中，所述具有屏下指纹识别功能的显示装置进一步包括：盖板，设置于所述影像显示模块上并用于保护所述光感测层、所述光源层以及所述影像显示模块。
于一实施例中，所述具有屏下指纹识别功能的显示装置进一步包括：抗干扰层，设置于所述影像显示模块上并用于防止环境光干扰。
于一实施例中，所述具有屏下指纹识别功能的显示装置进一步包括：盖板，设置于所述抗干扰层上并用于保护所述光感测层、所述光源层、所述影像显示模块以及所述抗干扰层。
于一实施例中，所述抗干扰层为偏光片。
于一实施例中，所述影像显示模块包括：基板，设置于所述光源层上；薄膜晶体管层，设置于所述基板上；以及有机发光二极管层，设置于所述薄膜晶体管层上并响应于所述薄膜晶体管层的控制而发光以显示所述影像。
于一实施例中，当所述具有屏下指纹识别功能的显示装置的指纹识别功能开启时，所述光源层发光，所述光源层产生的光线以及所述影像显示模块产生的光线会到达所述指纹，经过所述指纹反射的光线会到达所述光感测层，所述光感测层感测的光信号传送到所述具有屏下指纹识别功能的显示装置之控制模块，通过所述控制模块的辨识后完成所述具有屏下指纹识别功能的显示装置的屏幕解锁。
本揭示提供的一种电子装置包括具有屏下指纹识别功能的显示装置，所述具有屏下指纹识别功能的显示装置包括：光感测层，用于感测一指纹；光源层，设置于所述光感测层上并用于产生光线；以及影像显示模块，设置于所述光源层上并用于发光以显示影像。
于一实施例中，所述具有屏下指纹识别功能的显示装置进一步包括：抗干扰层，设置于所述影像显示模块上并用于防止环境光干扰。
于一实施例中，当所述具有屏下指纹识别功能的显示装置的指纹识别功能开启时，所述光源层发光，所述光源层产生的光线以及所述影像显示模块产生的光线会到达所述指纹，经过所述指纹反射的光线会到达所述光感测层，所述光感测层感测的光信号传送到所述具有屏下指纹识别功能的显示装置之控制模块，通过所述控制模块的辨识后完成所述具有屏下指纹识别功能的显示装置的屏幕解锁。
 有益效果
相较于现有技术，本揭示之具有屏下指纹识别功能的显示装置及电子装置中，由于在所述光感测层及所述影像显示模块之间设置有所述光源层，因此能增加到达指纹的光线，进而增加指纹反射的光线，藉此提高指纹辨识的准确度。此外，由于可以降低所述影像显示模块的有机发光二极管层提供指纹辨识所需的光线的负担，因此可以降低烧屏的风险。
 附图说明
图1显示根据本揭示一实施例之具有屏下指纹识别功能的显示装置。
图2显示图1之具有屏下指纹识别功能的显示装置辨识指纹的示意图。
图3显示根据本揭示另一实施例之具有屏下指纹识别功能的显示装置。
图4显示根据本揭示一实施例之电子装置。
 本发明的实施方式
以下各实施例的说明是参考附加的图式，用以例示本揭示可用以实施的特定实施例。
请参阅图1，图1显示根据本揭示一实施例之具有屏下指纹识别功能的显示装置。
所述显示装置为一有机发光二极管（Organic Light Emitting Diode，OLED）显示装置。
所述显示装置包括一光感测层10、一光源层20、一影像显示模块30以及一盖板40。
所述光感测层10包括至少一光传感器并用于感测一指纹。
所述光源层20设置于所述光感测层10上并用于产生光线。
所述影像显示模块30设置于所述光源层20上并用于发光以显示一影像。
于一非限制的实施例中，所述光源层20包括红外光源，所述光感测层10包括红外光接收器。
所述盖板40设置于所述影像显示模块30上并用于保护所述光感测层10、所述光源层20以及所述影像显示模块30。
本揭示之一特点在于在所述光感测层10及所述影像显示模块30之间设置有所述光源层20，所述光源层20产生的光线能增加到达所述指纹的光线，进而增加所述指纹反射的光线，藉此提高指纹辨识的准确度。
所述影像显示模块30包括一基板300、一薄膜晶体管层302以及一有机发光二极管层304。
所述基板300设置于所述光源层20上并用于作为所述薄膜晶体管层302以及所述有机发光二极管层304的支撑衬底。
所述薄膜晶体管层302设置于所述基板300上并用于信号传输。所述薄膜晶体管层302包括多个薄膜晶体管。
所述有机发光二极管层304设置于所述薄膜晶体管层302上并响应于所述薄膜晶体管层302的控制而发光以显示所述影像。所述有机发光二极管层304包括多个有机发光二极管。所述多个有机发光二极管为可以显示彩色光的有机发光二极管。
要说明的是，所述影像显示模块30的显示原理为本领域的技术人员所熟知，于此不多加赘述。
请参阅图1以及图2，图2显示图1之具有屏下指纹识别功能的显示装置辨识指纹100的示意图。
当所述显示装置的指纹识别功能开启时，所述光源层20发光，所述光源层20产生的光线以及所述影像显示模块30（有机发光二极管层304）产生的光线会到达所述指纹100，经过所述指纹100反射的光线会到达所述光感测层10，所述光感测层10感测的光信号传送到所述显示装置之一控制模块60，通过所述控制模块60的辨识后则可以完成所述显示装置的屏幕解锁。
请参阅图3，图3显示根据本揭示另一实施例之具有屏下指纹识别功能的显示装置。
所述显示装置为一有机发光二极管（Organic Light Emitting Diode，OLED）显示装置。
所述显示装置包括一光感测层10、一光源层20、一影像显示模块30、一抗干扰层50以及一盖板40。
所述光感测层10包括至少一光传感器并用于感测一指纹。
所述光源层20设置于所述光感测层10上并用于产生光线。
所述影像显示模块30设置于所述光源层20上并用于发光以显示一影像。
本实施例之显示装置与图1实施例之显示装置的差异在于本实施例之显示装置进一步包括所述抗干扰层50。所述抗干扰层50设置于所述影像显示模块30上并用于防止环境光干扰。更明确地说，所述抗干扰层50设置于所述影像显示模块30以及所述盖板40之间。
要说明的是，所述抗干扰层50为可选择（optional）的组件。于一实施例中，所述抗干扰层50可以为一偏光片。
所述盖板40设置于所述抗干扰层50上并用于保护所述光感测层10、所述光源层20、所述影像显示模块30以及所述抗干扰层50。
本揭示之一特点在于在所述光感测层10及所述影像显示模块30之间设置有所述光源层20，所述光源层20产生的光线能增加到达所述指纹的光线，并增加所述指纹反射的光线，藉此提高指纹辨识的准确度。
所述影像显示模块30包括一基板300、一薄膜晶体管层302以及一有机发光二极管层304。
所述基板300设置于所述光源层20上并用于作为所述薄膜晶体管层302以及所述有机发光二极管层304的支撑衬底。
所述薄膜晶体管层302设置于所述基板300上并用于信号传输。所述薄膜晶体管层302包括多个薄膜晶体管。
所述有机发光二极管层304设置于所述薄膜晶体管层302上并响应于所述薄膜晶体管层302的控制而发光以显示所述影像。所述有机发光二极管层304包括多个有机发光二极管。所述多个有机发光二极管为可以显示彩色光的有机发光二极管。
要说明的是，所述影像显示模块30的显示原理为本领域的技术人员所熟知，于此不多加赘述。
图3之显示装置辨识指纹的原理可参阅图2的相关描述，于此不多加赘述。
请参阅图4，图4显示根据本揭示一实施例之电子装置200。
所述电子装置包括图1或图2所示之具有屏下指纹识别功能的显示装置210。
所述具有屏下指纹识别功能的显示装置210的结构及辨识指纹的原理可参阅图1至图3的相关描述，于此不多加赘述。
本揭示之具有屏下指纹识别功能的显示装置及电子装置中，由于在所述光感测层及所述影像显示模块之间设置有所述光源层，因此能增加到达指纹的光线，进而增加指纹反射的光线，藉此提高指纹辨识的准确度。此外，由于可以降低所述影像显示模块的有机发光二极管层提供指纹辨识所需的光线的负担，因此可以降低烧屏的风险。
综上所述，虽然本揭示已以优选实施例揭露如上，但上述优选实施例并非用以限制本揭示，本领域的普通技术人员，在不脱离本揭示的精神和范围内，均可作各种更动与润饰，因此本揭示的保护范围以权利要求界定的范围为准。

Claims (15)

  1. 一种具有屏下指纹识别功能的显示装置，包括：
    光感测层，用于感测一指纹；
    光源层，设置于所述光感测层上并用于产生光线；
    影像显示模块，设置于所述光源层上并用于发光以显示影像；以及
    抗干扰层，设置于所述影像显示模块上并用于防止环境光干扰，
    其中所述光源层包括红外光源，所述光感测层包括红外光接收器。
  2. 根据权利要求1所述的具有屏下指纹识别功能的显示装置，进一步包括：
    盖板，设置于所述抗干扰层上并用于保护所述光感测层、所述光源层、所述影像显示模块以及所述抗干扰层。
  3. 根据权利要求1所述的具有屏下指纹识别功能的显示装置，其中所述抗干扰层为偏光片。
  4. 根据权利要求1所述的具有屏下指纹识别功能的显示装置，其中所述影像显示模块包括：
    基板，设置于所述光源层上；
    薄膜晶体管层，设置于所述基板上；以及
    有机发光二极管层，设置于所述薄膜晶体管层上并响应于所述薄膜晶体管层的控制而发光以显示所述影像。
  5. 根据权利要求1所述的具有屏下指纹识别功能的显示装置，其中当所述具有屏下指纹识别功能的显示装置的指纹识别功能开启时，所述光源层发光，所述光源层产生的光线以及所述影像显示模块产生的光线会到达所述指纹，经过所述指纹反射的光线会到达所述光感测层，所述光感测层感测的光信号传送到所述具有屏下指纹识别功能的显示装置之控制模块，通过所述控制模块的辨识后完成所述具有屏下指纹识别功能的显示装置的屏幕解锁。
  6. 一种具有屏下指纹识别功能的显示装置，包括：
    光感测层，用于感测一指纹；
    光源层，设置于所述光感测层上并用于产生光线；以及
    影像显示模块，设置于所述光源层上并用于发光以显示影像。
  7. 根据权利要求6所述的具有屏下指纹识别功能的显示装置，进一步包括：
    盖板，设置于所述影像显示模块上并用于保护所述光感测层、所述光源层以及所述影像显示模块。
  8. 根据权利要求6所述的具有屏下指纹识别功能的显示装置，进一步包括：
    抗干扰层，设置于所述影像显示模块上并用于防止环境光干扰。
  9. 根据权利要求8所述的具有屏下指纹识别功能的显示装置，进一步包括：
    盖板，设置于所述抗干扰层上并用于保护所述光感测层、所述光源层、所述影像显示模块以及所述抗干扰层。
  10. 根据权利要求8所述的具有屏下指纹识别功能的显示装置，其中所述抗干扰层为偏光片。
  11. 根据权利要求6所述的具有屏下指纹识别功能的显示装置，其中所述影像显示模块包括：
    基板，设置于所述光源层上；
    薄膜晶体管层，设置于所述基板上；以及
    有机发光二极管层，设置于所述薄膜晶体管层上并响应于所述薄膜晶体管层的控制而发光以显示所述影像。
  12. 根据权利要求6所述的具有屏下指纹识别功能的显示装置，其中当所述具有屏下指纹识别功能的显示装置的指纹识别功能开启时，所述光源层发光，所述光源层产生的光线以及所述影像显示模块产生的光线会到达所述指纹，经过所述指纹反射的光线会到达所述光感测层，所述光感测层感测的光信号传送到所述具有屏下指纹识别功能的显示装置之控制模块，通过所述控制模块的辨识后完成所述具有屏下指纹识别功能的显示装置的屏幕解锁。
  13. 一种电子装置，包括具有屏下指纹识别功能的显示装置，其中所述具有屏下指纹识别功能的显示装置包括：
    光感测层，用于感测一指纹；
    光源层，设置于所述光感测层上并用于产生光线；以及
    影像显示模块，设置于所述光源层上并用于发光以显示影像。
  14. 根据权利要求13所述的电子装置，其中所述具有屏下指纹识别功能的显示装置进一步包括：
    抗干扰层，设置于所述影像显示模块上并用于防止环境光干扰。
  15. 根据权利要求13所述的电子装置，其中当所述具有屏下指纹识别功能的显示装置的指纹识别功能开启时，所述光源层发光，所述光源层产生的光线以及所述影像显示模块产生的光线会到达所述指纹，经过所述指纹反射的光线会到达所述光感测层，所述光感测层感测的光信号传送到所述具有屏下指纹识别功能的显示装置之控制模块，通过所述控制模块的辨识后完成所述具有屏下指纹识别功能的显示装置的屏幕解锁。
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