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Electronic product

A technology for electronic products and circuit boards, which is used in instruments, character and pattern recognition, print image acquisition, etc., to achieve the effect of improving reliability, improving assembly structure, and good signal

Active Publication Date: 2017-02-22
SHANGHAI OXI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, when the existing electronic products are assembled with optical fingerprint sensors, there are still many deficiencies in the assembly structure that need to be improved.

Method used

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Examples

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Embodiment Construction

[0041] Please refer to figure 1 with figure 2 , figure 1 Shows a front view of an existing mobile terminal, figure 2 show figure 1 The schematic diagram of the cross-sectional structure of the mobile terminal is cut along the dotted line A-A. The mobile terminal includes an outer cover 10 and a screen 11, and the mobile terminal also includes an optical fingerprint sensor 12. The optical fingerprint sensor 12 happens to fit in a through hole on the surface of the outer cover 10 (the through hole is not shown separately, please refer to figure 2 ). figure 2 In the middle display mobile terminal, the optical fingerprint sensor includes a protective cover 13, a pixel substrate 14, and a light guide plate 15 from top to bottom, and the optical fingerprint sensor also includes a signal readout chip 16 on the upper surface of the pixel substrate 14. The light source 17 located in the light guide plate 15 and the flexible printed circuit board 18. The light source 17 is generally ...

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Abstract

The present invention provides an electronic product. The electronic product comprises: an optical fingerprint sensor including a pixel substrate and a flexible printed circuit board, wherein the pixel substrate has a pixel array, and the first part of the flexible printed circuit board is bound at the upper surface of the pixel substrate; and an outer cover plate having an outer surface and an inner surface, the outer surface is provided with a first blind hole which is opposite to the upper surface of the pixel array, the inner surface is provided with a second blind hole which holds the top portion of the first portion of the flexible printed circuit board. The assembling structure of the optical fingerprint sensor of the electronic product is improved, the assembling difficulty is reduced, and the cost is reduced.

Description

Technical field [0001] The invention relates to the field of optical fingerprint identification, and in particular to an electronic product. Background technique [0002] Fingerprint imaging recognition technology is a technology that collects the fingerprint image of the human body through the fingerprint sensor, and then compares it with the existing fingerprint imaging information in the system to determine whether it is correct or not, and then realize the identity recognition technology. Because of its ease of use and the uniqueness of human fingerprints, fingerprint identification technology has been widely used in various fields. For example, security inspection areas such as the Public Security Bureau and customs, building access control systems, and consumer goods areas such as personal computers and mobile phones, etc. The realization of fingerprint imaging technology includes optical imaging, capacitance imaging, ultrasonic imaging and other technologies. Relatively ...

Claims

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Application Information

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IPC IPC(8): G06K9/00
CPCG06V40/1318
Inventor 凌严朱虹
Owner SHANGHAI OXI TECH
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