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Display module group and driving method thereof, and display device

A display module and display panel technology, applied in static indicators, character and pattern recognition, optics, etc., can solve the problems of reduced penetration rate of fingerprint recognition area, liquid crystal display cannot meet product display requirements, etc., to achieve improved penetration rate effect

Active Publication Date: 2019-09-20
XIAMEN TIANMA MICRO ELECTRONICS
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AI Technical Summary

Problems solved by technology

[0004] An important difficulty in the application of optical fingerprint recognition to liquid crystal display technology is that the fingerprint recognition area in the display panel of the liquid crystal display needs to be equipped with a photosensitive unit, which will inevitably reduce the penetration rate of the fingerprint recognition area in the display panel, resulting in liquid crystal display. The display cannot meet the display requirements of the product

Method used

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  • Display module group and driving method thereof, and display device
  • Display module group and driving method thereof, and display device
  • Display module group and driving method thereof, and display device

Examples

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Embodiment Construction

[0031] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

[0032] The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses.

[0033] Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the description.

[0034] In all examples shown and discussed herein, any specific values ​​should be construed as exemplary only, and not as limitations. Therefore, other instances of the exemplary embodiment may have dif...

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Abstract

The invention discloses a display module group and a driving method thereof, and a display device. The display module group comprises a display panel and a backlight module group which are opposite to each other. The display panel comprises a non-fingerprint identification area and a fingerprint identification area. The backlight module group comprises a first backlight area and a second backlight area. At a direction which is vertical to a plane where the display panel is located, the first backlight area and the non-fingerprint identification area are oppositely arranged, and the second backlight area and the fingerprint identification area are arranged oppositely. An orthographic projection of the non-fingerprint identification area in the plane where the display panel is located and the orthographic projection of the second backlight area in the plane where the display panel is located have an overlapping area. The display module group also comprises a control module. When display brightness of the overlapping area is detected to be uneven, the control module adjusts the display brightness of the overlapping area by adjusting a gray scale voltage of the overlapping area. In the invention, a penetration rate of a fingerprint identification area can be increased and integral display of the module group is not influenced.

Description

technical field [0001] The present invention relates to the field of display technology, and more specifically, to a display module, a driving method thereof, and a display device. Background technique [0002] With the rapid development of display technology, display panels with fingerprint recognition functions have gradually spread in people's lives, and fingerprint recognition is widely used in display screens of electronic devices such as mobile phones, personal digital assistants, and computers. Fingerprint is an invariable feature that is unique and distinguishable from others. It consists of a series of ridges and valleys on the skin surface of the fingertips. The details of these ridges and valleys usually include the bifurcation of ridges, the Details such as ends, arches, tented arches, left-handed, right-handed, helical or double-handed, these details determine the uniqueness of the fingerprint pattern. [0003] At present, fingerprint identification technology ...

Claims

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Application Information

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IPC IPC(8): G02F1/1333G02F1/13357G02F1/133G06K9/00
CPCG02F1/13338G02F1/1336G02F1/13306G06V40/1318
Inventor 吴玲郑斌义林艳沈柏平
Owner XIAMEN TIANMA MICRO ELECTRONICS
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