The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 27, 2020
Filed:
Oct. 09, 2018
Wuhan China Star Optoelectronics Technology Co., Ltd., Wuhan, Hubei, CN;
Tengteng Shi, Hubei, CN;
WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., Wuhan, Hubei, CN;
Abstract
A touch display panel with a fingerprint recognition device is provided. The touch display panel is a liquid crystal display panel, the liquid crystal display panel includes a fingerprint sensing unit and a control circuit integrated in a thin film transistor layer of the liquid crystal display panel. The fingerprint sensing unit is configured to collect a light entering the touch display panel, and convert the collected light into electrical signals. The light is a reflected light generated from a screen light source blocked by a fingerprint. The control circuit is configured to generate a fingerprint image.