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Optical fingerprint sensing unit and manufacturing method thereof, touch screen

A technology for sensing units and fingerprints, which is applied in the fields of final product manufacturing, sustainable manufacturing/processing, and acquisition/organization of fingerprints/palmprints, etc. It can solve problems such as inability to mass produce and complicated packaging process

Active Publication Date: 2020-09-15
PRIMAX ELECTRONICS LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the prior art, the packaging process of most optical fingerprint sensing units is too complicated to be mass-produced

Method used

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  • Optical fingerprint sensing unit and manufacturing method thereof, touch screen
  • Optical fingerprint sensing unit and manufacturing method thereof, touch screen
  • Optical fingerprint sensing unit and manufacturing method thereof, touch screen

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Embodiment Construction

[0117] The advantages and features of the present invention and methods for attaining the same will be more easily understood by more detailed description with reference to exemplary embodiments and accompanying drawings. However, the invention may be embodied in different forms and should not be construed as limited to the embodiments set forth herein. On the contrary, for those skilled in the art, these embodiments are provided to make this disclosure more thorough, comprehensive and fully convey the scope of the present invention.

[0118] First, see figure 1 as shown, figure 1 It is an optical fingerprint sensing unit imprinting system provided by the present invention. The optical fingerprint sensing unit embossing system 10 includes: a jig 11 , a glue injection device 12 , an embossing device 13 , a conveying device 14 , a heating device 15 , and a laser cutting device 16 . Wherein, the embossing device 13 includes: an ultraviolet lamp 131 , an embossing wheel 132 and...

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Abstract

The present invention provides an optical fingerprint sensing unit, a manufacturing method thereof, and a touch screen. The optical fingerprint sensing unit includes: a substrate; a circuit pattern arranged on the surface of the substrate; an optical fingerprint sensing chip fixed on the substrate, And it can be electrically connected with the circuit pattern through the metal wire; the encapsulation colloid layer is used to cover the optical fingerprint sensing chip, the circuit pattern, the metal wire and the optical fiber layer, and is arranged on the encapsulation colloid layer; wherein the encapsulation colloid layer is made of UV Curable optical glue is formed through photocuring reaction.

Description

technical field [0001] The invention relates to a fingerprint sensing unit, in particular to an optical fingerprint sensing unit and a manufacturing method thereof. Background technique [0002] The fingerprint recognition module has gradually become one of the standard configurations of the electronic device, and the user can identify the identity through the fingerprint recognition module to unlock or control the electronic device. [0003] The detection methods of the fingerprint identification module can be divided into capacitive fingerprint sensing and optical fingerprint sensing. Among them, the technology of optical fingerprint sensing was developed earlier, which captures the light reflected from the surface of the finger to scan the difference between the brightness and darkness of the fingerprint peaks and valleys of the finger to obtain the details of the fingerprint lines. Compared with the expensive capacitive sensing chip in the capacitive fingerprint sensing...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L31/18H01L31/09H01L27/32G06F3/041G06K9/00
CPCH01L31/0203H01L31/02325H01L31/09H01L31/1876G06F3/041G06V40/1341G06V40/13H10K59/40Y02P70/50
Inventor 丁冠堡
Owner PRIMAX ELECTRONICS LTD