High contrast and efficient blazed grating light valve for full-HD 5,000 lumen laser projectors
2006
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.
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