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A display panel and a display device

A technology for display panels and display substrates, which is used in identification devices, print image acquisition, instruments, etc., and can solve problems such as failure of photosensitive sensor systems, separation of fingerprint identification modules and display panels, etc.

Active Publication Date: 2021-07-06
WUHAN TIANMA MICRO ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current popular in-screen fingerprint recognition system is to install the fingerprint recognition module under the organic light-emitting diode (OLED) display panel, and attach a buffer member to the back of the fingerprint recognition module to improve the impact resistance. In the case of a point impact, due to deformation, tensile stress will be generated at the interface between the OLED display panel and the fingerprint recognition module, the photosensitive sensor, etc., resulting in the separation of the fingerprint recognition module and the display panel, and the failure of the photosensitive sensor system.

Method used

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  • A display panel and a display device
  • A display panel and a display device
  • A display panel and a display device

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Embodiment Construction

[0031] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.

[0032] Due to the uniqueness and invariance of each person's fingerprint, the technology of using fingerprint as identification has developed rapidly in recent years. For example, in the field of mobile phones, as more and more people have requirements for narrow borders and full screens of mobile phones, optical fingerprint recognition technology has become more and more widely used. The basic principle of optical fingerprint recognition technology is: the light emitted by the light source in the display panel is...

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Abstract

The embodiment of the invention discloses a display panel and a display device. The display panel includes: a display substrate; a fingerprint identification module, located on the side of the display substrate away from the light-emitting surface of the display panel, the fingerprint identification module includes at least one fingerprint identification unit; a light source, the fingerprint identification unit is used to pass through the Touch the fingerprint signal light reflected by the main body to the fingerprint identification unit for fingerprint identification; the first protective layer is arranged on the side of the display substrate away from the light-emitting surface, the first protective layer is provided with at least one through hole, and the fingerprint identification unit is fixed through the through hole On the display substrate; the second protective layer is arranged around the fingerprint identification unit and embedded between the display substrate and the fingerprint identification module. The first protective layer and the second protective layer are used to diffuse the stress at the fingerprint identification unit. The embodiment of the present invention improves and improves the mechanical strength of the display panel with fingerprint identification function, and prolongs the service life.

Description

technical field [0001] Embodiments of the present invention relate to display technologies, and in particular, to a display panel and a display device. Background technique [0002] Fingerprint is an innate and unique biological feature. It consists of a series of ridges and valleys on the skin surface of the fingertips to form details such as arches, left-handed, right-handed, and spirals. With the development of fingerprint recognition technology, Various display devices with fingerprint recognition functions appear on the market, such as mobile phones, tablet computers, and smart wearable devices. [0003] With people's requirements for performance and appearance of various display devices with fingerprint recognition functions, in-screen fingerprint recognition technology has become a current research hotspot. The current popular in-screen fingerprint recognition system is to install the fingerprint recognition module under the organic light-emitting diode (OLED) displa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/041G06K9/00G09F9/33
CPCG06F3/0412G09F9/33G06V40/1318
Inventor 占栋
Owner WUHAN TIANMA MICRO ELECTRONICS CO LTD