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:
Jul. 01, 2014
Filed:
Oct. 08, 2010
Tung-hsin Lan, Taipei, TW;
Mu-shan Liao, Changhua County, TW;
Tien-yung Huang, Pingtung County, TW;
Feng-shu Chang, Hsinchu County, TW;
Tung-Hsin Lan, Taipei, TW;
Mu-Shan Liao, Changhua County, TW;
Tien-Yung Huang, Pingtung County, TW;
Feng-Shu Chang, Hsinchu County, TW;
Chunghwa Picture Tubes, Ltd., Taoyuan, TW;
Abstract
An optical touch module and an optical touch display panel are provided. The optical touch module includes a first photo sensor, a second photo sensor, and a signal processing unit. The first photo sensor is disposed in one of the plurality of pixels of a pixel array. A first terminal and a control terminal of the first photo sensor are coupled to a first scan line. The second photo sensor has a first terminal coupled to a second terminal of the first photo sensor and outputting a sensing voltage, a control terminal coupled to the first terminal of the second photo sensor, and a second terminal receiving a first voltage. The signal processing unit is coupled to the first terminal of the second photo sensor, so as to convert the sensing voltage to a touch signal.