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:
Nov. 29, 2022
Filed:
Jul. 02, 2021
Applicant:
Hoon Kim, La Habra, CA (US);
Inventor:
Hoon Kim, La Habra, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/146 (2006.01); G02F 1/1333 (2006.01); G02F 1/13357 (2006.01); H01L 27/32 (2006.01); H01L 31/036 (2006.01); H01L 31/113 (2006.01); G06F 3/041 (2006.01); G06F 3/042 (2006.01); G06V 40/13 (2022.01); G02F 1/133 (2006.01);
U.S. Cl.
CPC ...
H01L 27/1461 (2013.01); G02F 1/13338 (2013.01); G02F 1/133606 (2013.01); G06F 3/0421 (2013.01); G06F 3/04182 (2019.05); G06F 3/041662 (2019.05); G06V 40/1318 (2022.01); H01L 27/14612 (2013.01); H01L 27/14616 (2013.01); H01L 27/14689 (2013.01); H01L 27/323 (2013.01); H01L 31/036 (2013.01); H01L 31/1136 (2013.01); G02F 1/13318 (2013.01); H01L 27/3227 (2013.01); H01L 27/3234 (2013.01);
Abstract
A touch screen panel using a thin film transistor (TFT) photodetector includes a touch panel including a plurality of unit patterns for sensing light reflected by a touch by using a TFT photodetector including an active layer formed of amorphous silicon or polycrystalline silicon on an amorphous transparent material, and a controller configured to scan the plurality of unit patterns and read touch coordinates as a result of the scanning.