Title :
An inspection system for adjusting luminance of LED backlight units
Author :
Wei, Tzu-Hsuan ; Wen, Jen-Yu ; Chen, Pro-Ray ; Chiang, Wei-Chieh ; Liao, Tai-Shan ; Huang, Ting-Ming
Author_Institution :
Instrum. Technol. Res. Center, Nat. Appl. Res. Labs., Hsinchu, Taiwan
Abstract :
An inspection system for adjusting luminance of LED backlight units is disclosed to provide a uniform light source of LCD. By adjusting the LED current, target uniform backlight luminance values and distribution can be obtained.
Keywords :
brightness; inspection; light emitting diodes; liquid crystal displays; LCD; LED backlight units; LED current; inspection system; light emitting diode; liquid crystal display; luminance; uniform light source; Circuit testing; Energy consumption; Feedback control; Flat panel displays; Inspection; Instruments; Light emitting diodes; Light sources; Liquid crystal displays; System testing;
Conference_Titel :
OptoElectronics and Communications Conference, 2009. OECC 2009. 14th
Conference_Location :
Hong Kong
Print_ISBN :
978-1-4244-4102-0
Electronic_ISBN :
978-1-4244-4103-7
DOI :
10.1109/OECC.2009.5222511
