Stacked light emitting diode
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United States of America Patent
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-
N/A
Issued Date -
Jul 7, 2005
app pub date -
Dec 29, 2003
filing date -
Dec 29, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A stacked light emitting diode structure includes a light emitting chip fixed at a stand and stacked thereon with one or more than one smaller light emitting chip. Wherein, the light emitting chips have different illumination wavelengths. The invention is characterized that, a lower-layer light emitting chip is a light-transmissive or opaque chip, a second or a third light emitting chip stacked thereon is necessarily a light-transmissive chip, and between the stacked chips is a light-transmissive insulating material for fixing the chips. When putting the aforesaid structure to use, efficacies as better blended light effects and intensity as well as a reduced occupied area are obtained.
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