A display device

CN117292621BActive Publication Date: 2026-05-26XIAMEN TIANMA MICRO ELECTRONICS
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
XIAMEN TIANMA MICRO ELECTRONICS
Filing Date
2023-09-26
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

In existing display devices, the placement of the fingerprint recognition light source and fingerprint recognition element affects the integration level, and the unstable distance between the finger and the fingerprint recognition element leads to a decrease in fingerprint recognition accuracy.

Method used

The flexible circuit board is bent from the bonding area to the back of the display module, and the fingerprint recognition light source and fingerprint recognition element are fixed on the circuit board section on the back of the display module. An opening is set to expose the photosensitive surface of the fingerprint recognition element. The two are assembled with the display module through the flexible circuit board, which improves the integration and stabilizes the distance between the finger and the fingerprint recognition element.

Benefits of technology

It improves the integration of the display device and the accuracy of fingerprint recognition, ensuring a stable and controllable distance between the finger and the fingerprint recognition element, thus enhancing the accuracy of fingerprint recognition.

✦ Generated by Eureka AI based on patent content.

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    Figure CN117292621B_ABST
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Abstract

This invention discloses a display device, including a display module, a flexible circuit board, a fingerprint recognition light source, and a fingerprint recognition element. A bonding area in the display module region is provided with bonding terminals. The flexible circuit board is electrically connected to the bonding terminals and is bent from the bonding area to a first surface of the display module. The first surface is opposite to the light-emitting surface of the display module. The flexible circuit board includes a first circuit board portion located on the side of the first surface away from the light-emitting surface. The fingerprint recognition light source is located on the side of the first circuit board portion closer to the display module, and the fingerprint recognition element is located on the side of the first circuit board portion away from the display module. Both the fingerprint recognition light source and the fingerprint recognition element are fixed to the first circuit board portion. The first circuit board portion is provided with a first opening, exposing the photosensitive surface of the fingerprint recognition element. The technical solution of this invention can improve the integration and fingerprint recognition accuracy of the display device.
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