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:
May. 08, 2007
Filed:
Dec. 03, 2004
Chang Ho Liou, Changhua County, TW;
Bou Chi Chang, Hsinchu, TW;
Chung-yi Chang, Taichung County, TW;
Wei-jen Chang, Tainan, TW;
Chang Ho Liou, Changhua County, TW;
Bou Chi Chang, Hsinchu, TW;
Chung-Yi Chang, Taichung County, TW;
Wei-Jen Chang, Tainan, TW;
Industrial Technology Research Institute, Hsinchu, TW;
Abstract
The present invention provides a method for modulating backlight sources for flat panel displays (FPD), which comprises: lowing steps: step: turning on a display screen; step: identifying whether the total number of the BLL groups provided on the backlight module is an odd number or an even number; step: turning on the one BLL group located at the center-most region of the backlight module while the total number of the BLL groups is an odd number; step: turning on the two BLL groups located at the center-most region of the screen while the total number of the BLL groups is an even number; step: turning on the two backlight groups located at the two outer side of the center turned-on backlight groups while turning off the center turned-on backlight groups, and similarly, progressing the turning-on and the turning-off from the center region to the two outer edge of the backlight module and then reverse-progressing respectively from the two edges to the center region, so as to complete a full cycle; step: determining whether the display screen is off; if so, the process proceeds to step (); otherwise, the process goes to step (); and step: ending the process.