electronic product

A technology of electronic products and circuit boards, which is applied in the field of electronic products to achieve the effects of cost reduction, compact structure and small thickness

Active Publication Date: 2019-07-02
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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Experimental program
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Embodiment Construction

[0041] Please refer to figure 1 with figure 2 , figure 1 A front view of an existing mobile terminal is shown, figure 2 show figure 1 The shown mobile terminal is a schematic cross-sectional structure diagram obtained by cutting along the dot-dash 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 . Wherein the optical fingerprint sensor 12 is just assembled 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 mobile terminal shown in the middle, 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 located on the upper surface of the pixel substrate 14, The light source 17 located in the light guide plate 15 and the flexible printed circ...

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Abstract

An electronic product, comprising: an optical fingerprint sensor, the optical fingerprint sensor including a pixel substrate and a flexible printed circuit board; the pixel substrate has a pixel array; the first part of the flexible printed circuit board is bound on the pixel substrate surface; an outer cover plate, the outer cover plate has an outer surface and an inner surface; the outer surface has a first blind hole, and the first blind hole is opposite to the upper surface of the pixel array; the inner surface has a A second blind hole accommodates the top of the first portion of the flexible printed circuit board. The assembly structure of the optical fingerprint sensor in the electronic product is improved, the assembly difficulty is reduced, and the cost is reduced.

Description

technical field [0001] The invention relates to the field of optical fingerprint identification, in particular to an electronic product. Background technique [0002] Fingerprint imaging recognition technology is to collect the fingerprint image of the human body through the fingerprint sensor, and then compare it with the existing fingerprint imaging information in the system to judge whether it is correct or not, and then realize the technology of identity recognition. Due to its ease of use and the uniqueness of human fingerprints, fingerprint recognition technology has been widely used in various fields. For example, security inspection areas such as public security bureaus and customs, building access control systems, and consumer products such as personal computers and mobile phones, etc. Fingerprint imaging technology is implemented in various ways such as optical imaging, capacitive imaging, and ultrasonic imaging. Relatively speaking, the imaging effect of optical...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/00
CPCG06V40/1318
Inventor 凌严朱虹
Owner SHANGHAI OXI TECH
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