Title :
High contrast and efficient blazed grating light valve for full-HD 5,000 lumen laser projectors
Author :
Tamada, Hitoshi ; Taguchi, Ayumu ; Oniki, Kazunao ; Saruta, Kunihiko ; Ito, Yasuyuki
Author_Institution :
Core Technol. Dev. Group, Core Component Bus. Unit, Japan
Abstract :
This paper presents a blazed grating light valve with 10,000:1 contrast ratio, >65% efficiency and high reliability for full-HD 5,000 lumen laser projectors. It has a uniform well-controlled tilted ribbon shape and is mass-producible with one additional process to normally flat device.
Keywords :
diffraction gratings; light valves; optical projectors; blazed grating light valve; lumen laser projectors; uniform well-controlled tilted ribbon shape; Gratings; Optical arrays; Optical diffraction; Optical films; Optical modulation; Optical surface waves; Semiconductor lasers; Shape; Silicon compounds; Valves;
Conference_Titel :
Consumer Electronics, 2006. ICCE '06. 2006 Digest of Technical Papers. International Conference on
Print_ISBN :
0-7803-9459-3
DOI :
10.1109/ICCE.2006.1598346
