Sharp developed a 640nm red semiconductor laser for display light source

Sharp developed the 640nm red semiconductor laser "GH0641FA2C" for display light sources with a photoelectric conversion efficiency of up to 33% and a more vivid red color. It is available for use in head-up displays or small projectors that display information on the front windshield. Sample shipments will begin on January 31, 2013, and mass production will begin on March 29. It is estimated that the monthly output will be 10,000.

It is understood that the newly developed red laser semiconductor, by virtue of the material combination and structure optimization, will increase the conversion efficiency of light to 33%. In addition, the components use cooling materials, using the unique technology accumulated in the field of CD/DVD discs, achieving a maximum light output of 150mW, which can achieve high brightness display. The operating current and voltage of the new products are 182mA and 2.5V respectively.

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