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:
Aug. 22, 2023
Filed:
Feb. 02, 2021
Applicant:
Novatek Microelectronics Corp., Hsinchu, TW;
Inventors:
Yi-Ying Lin, Hualien County, TW;
Chih-Chang Lai, Taichung, TW;
Assignee:
Novatek Microelectronics Corp., Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 5/00 (2006.01); G06F 3/041 (2006.01); G06F 3/044 (2006.01); G06V 40/13 (2022.01); H10K 59/40 (2023.01); H10K 59/65 (2023.01); H10K 59/121 (2023.01);
U.S. Cl.
CPC ...
G06F 3/0412 (2013.01); G06F 3/0445 (2019.05); G06V 40/1306 (2022.01); H10K 59/121 (2023.02); H10K 59/40 (2023.02); H10K 59/65 (2023.02); G06F 2203/04111 (2013.01);
Abstract
A touch display device includes a plurality of photo sensors, a plurality of display pixels, and a touch sensing layer. The touch sensing layer disposed over the plurality of photo sensors and including a plurality of collimating openings corresponding to the plurality of photo sensors respectively to collimate light from different locations to the plurality of optical sensors.