Unlock instant, AI-driven research and patent intelligence for your innovation.

3-dimensional optical topographical sensing of fingerprints using under-screen optical sensor module

An optical sensor, fingerprint technology, used in sensors, tomography for diagnosis, detection of live fingers, etc., can solve problems such as user burden

Active Publication Date: 2019-11-29
SHENZHEN GOODIX TECH CO LTD
View PDF12 Cites 15 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Unfortunately, in various situations, these password recovery processes can be burdensome to the user and have various practical limitations and inconveniences

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • 3-dimensional optical topographical sensing of fingerprints using under-screen optical sensor module
  • 3-dimensional optical topographical sensing of fingerprints using under-screen optical sensor module
  • 3-dimensional optical topographical sensing of fingerprints using under-screen optical sensor module

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0084] An electronic device or system can be equipped with a fingerprint authentication mechanism to improve the security of accessing the device. Such electronic devices or systems may include portable or mobile computing devices, such as smartphones, tablet computers, wrist-worn devices, and other wearable or portable devices, as well as larger electronic devices or systems, such as portable or desktop form factors Personal computers, ATMs, various terminals for commercial or government use to various electronic systems, databases or information systems, and motorized transportation systems including automobiles, ships, trains, airplanes, and others.

[0085] Fingerprint sensing is useful in mobile applications and other applications that use or require secure access. For example, fingerprint sensing can be used to provide secure access to mobile devices and secure financial transactions including online purchases. It is desirable to include robust and reliable fingerprint ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

Devices and optical sensor modules are provided for provide on-screen optical sensing of fingerprints by using an under-screen optical sensor module that captures and detects optical transmissive patterns in probe light that transmits through the internal finger tissues associated with the external fingerprint pattern formed on the outer finger skin to provide 3-dimensional topographical information for improved optical fingerprint sensing.

Description

[0001] CROSS-REFERENCE TO PRIORITY CLAIMS AND RELATED APPLICATIONS [0002] This patent document requires the applicant Shenzhen Huiding Technology Co., Ltd. to submit the application number 62 / 648,898 on March 27, 2018, and the name of the invention is "Using the under-screen optical sensor module to perform three-dimensional optical topography sensing of fingerprints" the priority and prior interest of the U.S. Provisional Patent Application. technical field [0003] This patent document relates to the sensing of fingerprints and one or more sensing operations to perform other parameter measurements in electronic devices or systems, including portable devices such as mobile or wearable devices and larger systems. Background technique [0004] The implementation of various sensors in electronic devices or systems can provide certain desired functions. There is a growing need for secure access to computers and computer-controlled devices or systems where only authorized use...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00
CPCA61B5/0073A61B5/1172G06F3/0421A61B5/1455G06V40/1341G06V40/1318G09G3/3208A61B5/14532G06V40/1394G06V40/1306
Inventor 何毅皮波
Owner SHENZHEN GOODIX TECH CO LTD