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. 05, 2014
Filed:
Sep. 30, 2010
Tsung Hsuan Hsieh, Banqiao, TW;
Wei Yi Hsuan, Taipei, TW;
Yi Sheng Lee, Taipei Hsien, TW;
Robert David Parsons, Raleigh, NC (US);
Chia Lin Yang, Taipei, TW;
Tsung Hsuan Hsieh, Banqiao, TW;
Wei Yi Hsuan, Taipei, TW;
Yi Sheng Lee, Taipei Hsien, TW;
Robert David Parsons, Raleigh, NC (US);
Chia Lin Yang, Taipei, TW;
Abstract
A method and device are provided for adjusting brightness of an optical touch panel. The optical touch panel comprises a microprocessor, a display module including a back light source, and an optical position detection device including optical transmitting devices and optical receiving devices. The method comprises detecting, via the optical receiving devices, a current ambient light level on the display module. The method further comprises generating, via the optical receiving devices, a current ambient light level signal indicative of the current ambient light level and transmitting the current ambient light level signal to the microprocessor. Furthermore, the method comprises adjusting, via the microprocessor, brightness of the back light source based on the current ambient light level signal.