WO2021190481A1 - Ensemble d'affichage et dispositif électronique - Google Patents

Ensemble d'affichage et dispositif électronique Download PDF

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Publication number
WO2021190481A1
WO2021190481A1 PCT/CN2021/082295 CN2021082295W WO2021190481A1 WO 2021190481 A1 WO2021190481 A1 WO 2021190481A1 CN 2021082295 W CN2021082295 W CN 2021082295W WO 2021190481 A1 WO2021190481 A1 WO 2021190481A1
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WO
WIPO (PCT)
Prior art keywords
cover plate
display
display module
light
transmitter
Prior art date
Application number
PCT/CN2021/082295
Other languages
English (en)
Chinese (zh)
Inventor
邓紫强
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
Publication of WO2021190481A1 publication Critical patent/WO2021190481A1/fr

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Classifications

    • 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
    • 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
    • G06V10/145—Illumination specially adapted for pattern recognition, e.g. using gratings
    • 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

Definitions

  • the present invention relates to the field of display technology, in particular to a display assembly and electronic equipment.
  • the present invention provides a display assembly and an electronic device to solve the problem that when the fingerprint is set on the display side of the display screen in the existing full screen, the display module blocks the fingerprint light, resulting in a lot of light loss, and it is difficult to obtain a clear image. Fingerprint images are not easy to use.
  • the present invention adopts the following technical solutions:
  • a display assembly includes:
  • a cover plate, the cover plate is arranged on the display module
  • a transmitter the transmitter is disposed on a side of the cover plate close to the display module, and the transmitter is disposed on an area of the cover plate that does not cover the display module;
  • the receiver, the receiver is arranged on the non-display side of the display module.
  • an electronic device includes the display assembly described in the above embodiment.
  • the cover plate is arranged on the display module, the emitter is arranged on a side of the cover plate close to the display module, and the emitter is arranged on The cover plate does not cover an area of the display module, and the receiver is arranged on the non-display side of the display module.
  • the light emitted by the transmitter enters the cover from the area of the cover that does not cover the display module, and the light is reflected or totally reflected in the cover for transmission.
  • the light in the cover plate is emitted from the side of the cover plate close to the display module, and the receiver is used to receive the light from the cover plate
  • the transmitter emits light from the area of the cover plate that does not cover the display module to the cover plate, which can reduce the light loss caused by the blocking of the display module when the light enters the cover plate, and enhance the reception
  • the intensity of the light received by the device improves the utilization rate of light.
  • the fingerprint can be obtained according to the received light, which can obtain a clear image of the fingerprint, which is convenient for accurate acquisition and identification of the fingerprint, so that the fingerprint can be set on the front of the display screen to achieve a true full screen. , It is easy to use and improve the user experience.
  • FIG. 1 is a schematic diagram of the path of fingerprint light in the prior art
  • FIG. 2 is a schematic diagram of a structure of a display assembly according to an embodiment of the present invention.
  • FIG. 3 is a schematic diagram of a path of light in a display assembly according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of the optical coating in the display assembly of the embodiment of the present invention.
  • FIG. 5 is a schematic diagram of the working principle of the optical coating in the display assembly of the embodiment of the present invention.
  • Optical coating 40 Triangular prism structure 41;
  • Display layer 50 Backlight source 51;
  • the display assembly includes a display module, a cover plate 10, a transmitter 20, and a receiver 30.
  • the cover plate 10 is provided on the display module
  • the emitter 20 is provided on the side of the cover plate 10 close to the display module
  • the emitter 20 is provided on the cover plate 10.
  • the receiver 30 is arranged on the non-display side of the display module.
  • the display assembly is mainly composed of a display module, a cover plate 10, a transmitter 20, and a receiver 30.
  • the cover plate 10 can be transparent, and the cover plate 10 can be arranged on the display module.
  • the display module can be protected, the transmitter 20 can be an infrared transmitter, the receiver 30 can be an infrared camera, the transmitter 20 is arranged on the side of the cover 10 close to the display module, and the transmitter 20 is arranged on the cover 10
  • the light emitted by the transmitter 20 can enter the cover 10 from the area on the cover 10 that does not cover the display module, so as to reduce the light loss caused by the obstruction of the display module when the light enters the cover 10.
  • the intensity of the light received by the receiver 20 is enhanced, and the utilization rate of the light is improved.
  • the transmitter 20 can emit light to the cover plate 10, for example, infrared rays can be emitted, and the light incident on the cover plate 10 can be totally reflected in the cover plate 10.
  • an obstacle such as a finger
  • the light in the cover plate 10 is emitted from the side of the cover plate 10 close to the display module under the reflection of obstacles.
  • the receiver 30 is arranged on the non-display side of the display module. Receive the light emitted from the side of the cover 10 close to the display module.
  • fingerprints can be obtained according to the light received by the receiver 30, because the light enters from the area on the cover 10 that does not cover the display module
  • the cover plate 10 can allow light to pass through the display module less once, reduce the light loss caused by the blockage of the display module when the light enters the cover plate 10, enhance the intensity of the light received by the receiver 20, and obtain a clear image of fingerprints. , To facilitate accurate acquisition and identification of fingerprints.
  • light is emitted to the cover plate 10 through the transmitter 20, and the light enters the cover plate 10 from the area on the cover plate 10 that does not cover the display module, reducing the blockage of the display module when the light enters the cover plate.
  • the resulting light loss enhances the intensity of the light received by the receiver and improves the utilization of the light.
  • the light is reflected or totally reflected in the cover 10.
  • the light in the cover plate 10 is emitted from the side of the cover plate 10 close to the display module, and the light emitted from the side of the cover plate 10 close to the display module is received by the receiver 30, and fingerprints are obtained according to the received light, and the fingerprints can be obtained
  • the clear image is easy to accurately obtain and identify the fingerprint, and it is convenient to set the fingerprint on the display side of the display screen to realize a true full screen, which is easy to use and improves the user experience.
  • an optical structure may be provided on the side of the cover plate 10 close to the display module, and the optical structure may be provided between the transmitter 20 and the cover plate 10.
  • the optical structure can be used to gather the light emitted by the emitter 20 and enter the cover 10 from the area on the cover 10 that does not cover the display module.
  • the light emitted by the emitter 20 is collected by the optical structure and then projected to the cover 10. It can be incident on the cover plate 10 obliquely (non-perpendicularly), and the angle of incidence can be adjusted as required, so that the light entering the cover plate 10 is reflected or totally reflected.
  • the light emitted by the emitter is scattered, resulting in a decrease in the utilization rate of the light.
  • the optical structure can converge the scattered light in a desired direction, and then project the light to the cover plate 10 after the collection of the optical structure, and project the light to the cover plate 10 from a specified direction, which can increase the intensity of the light and increase the utilization rate of the light.
  • the angle of the light entering the cover plate 10 can be controlled by the optical coating, and the light control at any angle can be realized.
  • the optical structure is provided on the cover plate 10 in an area that does not cover the display module, and the transmitter 20 and the optical structure can be spaced apart, so that the transmitter 20 can emit to the optical structure from a desired angle.
  • the light is convenient for the optical structure to gather light, facilitates the setting of the optical structure, and avoids interference between the optical structure and the display module.
  • the optical structure is an optical coating 40 having at least one triangular prism structure 41.
  • the triangular prism structure 41 collects the light emitted from the emitter 20 and enters the cover plate 10.
  • the optical coating 40 may have a plurality of triangular prism structures 41, and the plurality of triangular prism structures 41 are evenly spaced and distributed.
  • the triangular prism structure 41 can collect the light emitted by the transmitter 10, and the triangular prism structure 41 can collect the collected light from A single direction is projected to the cover plate 10 to reduce the loss of light from other angles and increase the intensity of light.
  • the optical structure 40 may be a transparent polyimide film with at least one triangular prism structure 41, which is easy to install and low in cost.
  • the optical coating 40 may be a transparent layer to avoid the influence of the optical coating 40 on light.
  • the structure of the optical coating 40 can be as shown in Figures 3 and 4, the thickness of the optical coating 40 can be 10um-50um, and the optical coating 40 can be a transparent polyimide material layer, as shown in Figure 4, a triangular prism
  • the structure 41 can make the incoming light rays of multiple angles undergo multiple reflections and refractions, and finally obtain the light rays with the largest energy at a specified angle.
  • the structural impact of the optical coating 40 is negligible, saves structural space, does not affect the normal display screen, and fingerprint acquisition is relatively independent of the work of the display screen.
  • the emitter 20 and the cover plate 10 are spaced apart, so that the emitter 20 can emit light to the cover plate 10 from a desired angle.
  • the transmitter 20 can be arranged on the side of the cover plate 10 that is close to the display module and does not cover the area of the display module to prevent the display module from blocking or weakening the light emitted by the transmitter 20.
  • the transmitter 20 can be arranged obliquely toward the cover plate 10. , So that the light emitted by the transmitter 20 is directly projected to the cover plate 10.
  • the optical coating 40 is set, the transmitter 20 can be arranged obliquely toward the optical coating 40, and the light emitted by the transmitter 20 can be directly projected to the optical coating 40, thereby reducing the loss of light.
  • the display module includes a display layer 50 and a backlight source 51.
  • the backlight source 51 may be a light emitting diode (LED) light source, and the display layer 50 may be provided on the cover plate 10 and the backlight source.
  • the receiver 30 can be arranged on the side of the backlight source 51 away from the display layer 50, that is, the backlight source 51 is arranged between the receiver 30 and the display layer 50, and the receiver 30 can touch the area according to the fingerprint Location to choose.
  • the frequency of the light emitted by the backlight source 51 and the light emitted by the transmitter 20 are different.
  • the light emitted by the backlight source 51 may be white light
  • the light emitted by the transmitter 20 may be infrared rays, which is convenient for accurate reception by the receiver.
  • the display assembly further includes a middle frame 60, the cover plate 10 is arranged on the middle frame 60, the cover plate 10 can be glued to the middle frame 60, the display module, The transmitter 20 and the receiver 30 may be provided between the cover plate 10 and the middle frame 60, respectively.
  • the display assembly may also include a flexible circuit board and a chip.
  • the flexible circuit board and the chip can be connected to the display module respectively, and the display module can be controlled by the flexible circuit board and the chip.
  • An embodiment of the present invention also provides an electronic device, and the electronic device includes the display component described in the foregoing embodiment.
  • the display assembly of the above embodiment is applied to an electronic device, the light is emitted to the cover through the transmitter, and the light is reflected or totally reflected in the cover for transmission.
  • the finger stops on the side of the cover away from the display module The light in the cover plate is emitted from the side of the cover plate close to the display module, and the light emitted from the side of the cover plate close to the display module is received by the receiver, and fingerprints are obtained according to the received light, so that the fingerprint can be set on the display screen
  • the front of the camera realizes a true full screen, which is easy to use and improves the user experience.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

Les modes de réalisation de la présente invention concernent un ensemble d'affichage et un dispositif électronique. L'ensemble d'affichage comprend : un module d'affichage ; une plaque de recouvrement disposée sur le module d'affichage ; un émetteur disposé sur le côté de la plaque de recouvrement à proximité du module d'affichage et sur la région de la plaque de recouvrement ne recouvrant pas le module d'affichage ; et un récepteur disposé sur le côté de non-affichage du module d'affichage.
PCT/CN2021/082295 2020-03-26 2021-03-23 Ensemble d'affichage et dispositif électronique WO2021190481A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010224351.6A CN111444842B (zh) 2020-03-26 2020-03-26 一种显示组件和电子设备
CN202010224351.6 2020-03-26

Publications (1)

Publication Number Publication Date
WO2021190481A1 true WO2021190481A1 (fr) 2021-09-30

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CN (1) CN111444842B (fr)
WO (1) WO2021190481A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111444842B (zh) * 2020-03-26 2024-01-26 维沃移动通信有限公司 一种显示组件和电子设备
CN113343825A (zh) * 2021-05-31 2021-09-03 昆山国显光电有限公司 显示模组

Citations (5)

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Publication number Priority date Publication date Assignee Title
US20170285394A1 (en) * 2015-04-20 2017-10-05 Guangdong Oppo MobileTelecommunications Corp. Ltd. Display Screen, Display Screen Assembly, and Terminal
CN109784307A (zh) * 2019-01-31 2019-05-21 维沃移动通信有限公司 终端设备
CN110569825A (zh) * 2019-09-18 2019-12-13 Oppo广东移动通信有限公司 显示屏组件及屏下指纹识别电子设备
CN110619305A (zh) * 2019-09-18 2019-12-27 Oppo广东移动通信有限公司 显示屏组件及电子设备
CN111444842A (zh) * 2020-03-26 2020-07-24 维沃移动通信有限公司 一种显示组件和电子设备

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CN106941541B (zh) * 2017-03-07 2018-07-03 广东欧珀移动通信有限公司 功能组件、显示装置及终端
CN108830178A (zh) * 2018-05-25 2018-11-16 南昌华勤电子科技有限公司 指纹识别模组、电子设备以及指纹图像生成方法
CN110275641B (zh) * 2019-06-28 2023-07-07 Oppo广东移动通信有限公司 电子装置及屏下光学指纹模组
CN210155688U (zh) * 2019-07-30 2020-03-17 深圳市汇顶科技股份有限公司 指纹识别显示模组、屏下光学指纹识别装置及电子设备
CN110569798A (zh) * 2019-09-10 2019-12-13 京东方科技集团股份有限公司 一种纹路识别模组、纹路识别装置及显示装置
CN110596931A (zh) * 2019-09-18 2019-12-20 Oppo广东移动通信有限公司 显示屏组件及电子设备

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170285394A1 (en) * 2015-04-20 2017-10-05 Guangdong Oppo MobileTelecommunications Corp. Ltd. Display Screen, Display Screen Assembly, and Terminal
CN109784307A (zh) * 2019-01-31 2019-05-21 维沃移动通信有限公司 终端设备
CN110569825A (zh) * 2019-09-18 2019-12-13 Oppo广东移动通信有限公司 显示屏组件及屏下指纹识别电子设备
CN110619305A (zh) * 2019-09-18 2019-12-27 Oppo广东移动通信有限公司 显示屏组件及电子设备
CN111444842A (zh) * 2020-03-26 2020-07-24 维沃移动通信有限公司 一种显示组件和电子设备

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CN111444842B (zh) 2024-01-26
CN111444842A (zh) 2020-07-24

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