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Backlight modules, display modules and electronic equipment

A backlight module and display module technology, which is applied in the directions of optics, nonlinear optics, character and pattern recognition, etc., can solve the problems of increasing the length of the display screen and increasing the overall size of electronic equipment, and achieve the effect of reducing the overall length

Active Publication Date: 2022-08-05
XIAMEN TIANMA MICRO ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to prevent the light from being blocked, the fingerprint detection light source is placed on the lower side of the display screen and needs to be tilted at a certain angle, resulting in an increase in the length of the display screen, thereby increasing the overall size of the electronic device

Method used

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  • Backlight modules, display modules and electronic equipment
  • Backlight modules, display modules and electronic equipment
  • Backlight modules, display modules and electronic equipment

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Embodiment Construction

[0018] The features and exemplary embodiments of various aspects of the present invention will be described in detail below. In order to make the objectives, technical solutions and advantages of the present invention more clear, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only configured to explain the present invention, and are not configured to limit the present invention. It will be apparent to those skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is only intended to provide a better understanding of the present invention by illustrating examples of the invention.

[0019] It should be noted that, in this document, relational terms such as first and second are used only to distinguish one entity or operation from...

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Abstract

The invention relates to a backlight module, a display module and an electronic device. The backlight module is used for providing a light source to a display panel located on one side of the light emitting surface of the backlight module. The backlight module includes: a backlight light source capable of emitting visible light; a light guide plate arranged on one side of the light emitting direction of the backlight light source; a main body part and an inclined part, the main body part includes a light emitting surface, the visible light of the backlight source enters the display panel through the light emitting surface, the inclined part includes a supporting surface, and the supporting surface is inclined relative to the light emitting surface; The detection light is invisible light that can pass through the backlight module, and the fingerprint detection light source is arranged on the support surface. The backlight module is beneficial to reduce the overall length of the display module while meeting the fingerprint identification requirements.

Description

technical field [0001] The present invention relates to the field of display technology, in particular to a backlight module, a display module and an electronic device. Background technique [0002] Fingerprint identification technology uses fingerprint identification module to sense and analyze the signals of valleys and ridges of fingerprints to identify fingerprint information, which has the advantages of high security and convenient and quick operation. The implementation of fingerprint imaging technology includes optical imaging, capacitive imaging, ultrasonic imaging and other technologies. Among them, optical fingerprint recognition technology has gradually become a fingerprint recognition technology because of its strong penetrating ability, support for full-screen placement, and simple product structure design. The mainstream of identification technology is widely used in electronic devices. [0003] For the LCD display module, the fingerprint identification module...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/13357G06V40/13
CPCG02F1/133615G06V40/1318
Inventor 李植强
Owner XIAMEN TIANMA MICRO ELECTRONICS