Color speckle in laser displays

Kazuo Kuroda

doi:10.1117/12.2197272

29 July 2015 Color speckle in laser displays

Kazuo Kuroda

Proceedings Volume 9659, International Conference on Photonics Solutions 2015; 965908 (2015) https://doi.org/10.1117/12.2197272
Event: International Conference on Photonics Solutions 2015, 2015, Hua Hin, Thailand

Abstract

At the beginning of this century, lighting technology has been shifted from discharge lamps, fluorescent lamps and electric bulbs to solid-state lighting. Current solid-state lighting is based on the light emitting diodes (LED) technology, but the laser lighting technology is developing rapidly, such as, laser cinema projectors, laser TVs, laser head-up displays, laser head mounted displays, and laser headlamps for motor vehicles. One of the main issues of laser displays is the reduction of speckle noise¹). For the monochromatic laser light, speckle is random interference pattern on the image plane (retina for human observer). For laser displays, RGB (red-green-blue) lasers form speckle patterns independently, which results in random distribution of chromaticity, called color speckle²).

Citation Download Citation

Kazuo Kuroda "Color speckle in laser displays", Proc. SPIE 9659, International Conference on Photonics Solutions 2015, 965908 (29 July 2015); https://doi.org/10.1117/12.2197272

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