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'Highest Power Output' For 638-nanometre Red LD

Mitsubishi has revealed a 638-nanometre wavelength red LD which could prove ideal for the increase in popularity of pico projectors.




Mitsubishi has revealed a 638-nanometre wavelength red LD which could prove ideal for the increase in popularity of pico projectors.

A 638-nanometre wavelength red laser diode (LDs) has been revealed and its maker asserted that it offers the world's highest power output for this band of LDs.

Mitsubishi announced the launch of the 638-nanometre LD, with a power output of 500 milliwatts that makes it ideal for devices such as pico projectors and portable display systems that need a red light source with high brightness.

The semiconductor industry could be interested in this development as pico projectors are often embedded in or connected to laptop computers and mobile telephones, with LDs and light emitting diodes mainly used as the light source.

LDs deliver higher output power with less consumption than LEDs, meaning the efficiency of semiconductors may constantly be addressed to ensure optimal performance.

Furthermore, LDs offer a wider range of colours compared to lamp-based projectors.

Pico projectors require miniaturised semiconductors as while sufficient storage is needed, it needs to fill as little space as possible to accommodate an attached display screen.ADNFCR-2855-ID-19557597-ADNFCR
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