LED PACKAGE WITH CONTRASTING FACE
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United States of America Patent
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app pub date -
Sep 3, 2010
filing date -
Jan 14, 2009
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Abstract
LED packages and LED displays utilizing the LED packages are disclosed, with the LED packages arranged to provide good contrast between the different pixels in an LED display while not reducing the perceived luminous flux or brightness of the display. One embodiment of an LED package comprises an LED chip and conversion material arranged to convert at least some light emitted from the LED chip. The package emits light from the conversion material or a combination of light from the conversion material and the LED chip. A reflective area is included around the LED chip that substantially reflects the package light and a contrasting area is included outside the reflective area and has a color that contrasts with the package light. LED displays according to the present invention comprise a plurality of LED packages arranged in relation to one another to produce messages or images, with the package providing improved pixel contrast.
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