Development of RGB Laser Light Source Module for Large Screen Projectors by SONY
Sony just made an announcement on development of RGB laser light source module which is ideal for large screen projectors like digital cinema projectors. The newly developed RGB laser module features a high power laser of the three primary colors namely Red, Green and Blue with a combined output power of 21W, equivalent to 5,000 lumens, all in a single package measuring just 530cc, making it among the industry’s smallest. The new RGB laser module utilizes semiconductor diodes for the red and blue lasers plus a compact, high power solid-sate SHG (Second Harmonic Generation) laser for the green developed internally by Sony. The three lasers produced output power of 10W, 6W and 5W for red, green and blue respectively, resulting in a total output power of 21W. The energy conversion ratios of the lasers range from 15 to 22% (18% on average) a high efficiency for power visible lasers.
The new laser module can serve as a light source for a wide range of projectors, from 1,000 lumen home theater projectors to 10,000 lumen large screen projectors, as well as digital cinema projectors. Among some of the key feature on this newly developed RGB laser modules are; higher brightness through stacking multiple modules, extended light source lifespan, lower power consumption, higher contrast, wider color gamut as well as miniaturized optical components such as prisms.
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