Multi ChipLEDs from OSRAM Opto Semiconductors, Sunnyvale, CA, have been used by FormoLight Technologies, Inc., Taipei, Taiwan, to develop a 150" diagonal LED video display.
The compact size of the RGB Multi ChipLEDs (1.6 × 1.6 × 0.9 mm) permits a special image format in LED video displays ranging in size from small to large screens. The LEDs are packed closely together, and the distance between pixels can be as little as 2 mm. They contain three chips (red, green, blue), each of which can be controlled separately. The color impression is constant across the entire viewing angle.
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