Illumination device and image projection apparatus comprising the device
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United States of America Patent
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May 8, 2001
Issued Date -
N/A
app pub date -
Dec 3, 1998
filing date -
May 26, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
An image display is illuminated by a light source employing a plurality of low power light emitting devices. The lifetime and light intensity of the light sourceare increased by orders of magnitude. The illumination provided by the light source is made uniform to efficiently utilize the light source and so obtain optimum projection results.
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