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Optical fingerprint sensor module and forming method thereof

A fingerprint sensor and sensor technology, which is applied in the acquisition/organization of fingerprints/palmprints, instruments, characters and pattern recognition, etc., can solve the problem that the performance of optical fingerprint sensor modules needs to be improved, so as to improve the quality of graphics, reduce costs, and reduce The effect of process difficulty and cost

Pending Publication Date: 2019-02-01
SHANGHAI OXI TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the performance of existing optical fingerprint sensor modules needs to be improved

Method used

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  • Optical fingerprint sensor module and forming method thereof
  • Optical fingerprint sensor module and forming method thereof
  • Optical fingerprint sensor module and forming method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0036] As mentioned in the background, prior art optical fingerprint sensor modules have poor performance.

[0037] An optical fingerprint sensor module, refer to figure 1 , comprising: a self-luminous display panel 130 ; an optical fingerprint sensor 100 ; and a light collimator layer 120 located between the optical fingerprint sensor 100 and the self-luminous display panel 130 .

[0038]The optical fingerprint sensor 100 includes a sensor transparent substrate and a fingerprint sensing circuit layer located on the surface of the sensor transparent substrate. The fingerprint sensing circuit layer includes a first pixel area and a first peripheral area around the first pixel area. The material of the light-transmitting substrate of the sensor is glass or PI plastic, which can reduce the cost of the optical fingerprint sensor 100 . The light collimator layer 120 is in contact with the first pixel region.

[0039] The functions of the first peripheral area include: an anisotr...

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Abstract

An optical fingerprint sensor module and a method for forming the same. The optical fingerprint sensor module comprises a self-luminous display panel; Optical fingerprint sensor, the optical fingerprint sensor comprises a sensor light-transmitting substrate and a fingerprint sensing circuit layer located on the surface of the sensor light-transmitting substrate, The fingerprint sensing circuit layer includes a first pixel region and a first peripheral region located around the first pixel region, the fingerprint sensing circuit layer includes a first sensing surface, the first sensing surfacefacing away from the sensor light transmitting substrate; A light collimator layer positioned between the optical fingerprint sensor and the self-luminescent display panel, the light collimator layerfacing a first sensing surface of a first pixel region; A light absorbing layer located at a first sensing surface of the first peripheral region. The performance of the optical fingerprint sensor module is improved.

Description

technical field [0001] The invention relates to the field of optical fingerprint identification, in particular to an optical fingerprint sensor module and a forming method thereof. Background technique [0002] Fingerprint imaging recognition technology is to collect the fingerprint image of the human body through the optical 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 imaging recognition technology has been widely used in various fields, such as security inspection fields such as public security bureaus and customs, building access control systems, and consumer products such as personal computers and mobile phones. [0003] The imaging methods of fingerprint imaging recognition technology include optical imaging, capacitive imaging, ultrasonic i...

Claims

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Application Information

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