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:
Feb. 19, 2019
Filed:
Dec. 30, 2016
Applicants:
Boe Technology Group Co., Ltd., Beijing, CN;
Beijing Boe Display Technology Co., Ltd., Beijing, CN;
Inventors:
Assignees:
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., Beijing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/0354 (2013.01); G06F 3/041 (2006.01); G06F 3/042 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0412 (2013.01); G06F 3/042 (2013.01); G06F 3/0421 (2013.01); G06F 3/03542 (2013.01);
Abstract
Touch display system and touch operation device are provided. An exemplary touch display system includes a touch operation device for emitting first non-visible light; and a touch display device including a touch screen and a touch detection module. The first non-visible light is able to heat up air around a contact point on the touch screen. The touch detection module is configured for determining a position of a light refraction occurred as a second non-visible light is incident on the air heated by the first non-visible light.