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:
Apr. 22, 2014
Filed:
Jan. 13, 2011
Chih-wei Chien, Taoyuan County, TW;
Shau-yu Tsai, Taipei, TW;
Chih-Wei Chien, Taoyuan County, TW;
Shau-Yu Tsai, Taipei, TW;
Au Optronics Corporation, Hsinchu, TW;
Abstract
A touch display device includes a device housing, a display module, and an optical touch module. The display module is located within the device housing and has a display region and a peripheral region surrounding the display region. The optical touch module is configured on the display module. Besides, the optical touch module includes a light guide element, a light source, and a photo sensor. The light guide element has a top surface and includes a light guide portion and an outer frame portion. The light guide portion is located on the display region. The outer frame portion extends from an edge of the light guide portion and is connected to the device housing. The light source supplies light to the light guide portion. The photo sensor receives the light from the light guide portion. The outer frame portion covers the light source and the photo sensor.