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:
Dec. 12, 2017
Filed:
Nov. 24, 2014
Boe Technology Group Co., Ltd., Beijing, CN;
Hefei Xinsheng Optoelectronics Technology Co., Ltd., Hefei, Anhui, CN;
Huan Wang, Beijing, CN;
Mookeun Shin, Beijing, CN;
Zhizhong Tu, Beijing, CN;
Yong Jun Yoon, Beijing, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., Hefei, CN;
Abstract
A touch screen, a positioning method thereof and a touch display device. The touch screen includes a touch area; a plurality of emitters disposed on a first side of the touch area; a plurality of receivers disposed on a second side of the touch area opposite to the first side of the touch area; and direction changing units disposed in the light ray-emitting directions of at least part of the emitters and configured to change emitting directions of light rays emitted by the emitters so that the light rays with different emitting directions are emitted at different time periods and the light rays with the different emitting directions are received by different receivers. The touch screen has an increased resolution.