WHITE LIGHT EMITTING DEVICES INCLUDING BOTH RED AND MULTI-PHOSPHOR BLUE-SHIFTED-YELLOW SOLID STATE EMITTERS
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United States of America Patent
Stats
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N/A
Issued Date -
Sep 1, 2016
app pub date -
Feb 27, 2015
filing date -
Feb 27, 2015
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Light emitting devices include a red solid state emitter and a blue-shifted-yellow solid state emitter that comprises a blue light emitting diode (“LED”) and an associated luminophoric medium that includes first, second and third luminescent materials that emit light having a dominant wavelength in the respective green, yellow and red color ranges. Each blue-shifted-yellow solid state emitter emits light having a color point on the 1931 CIE Chromaticity Diagram in a region defined by ccx, ccy coordinates of (0.226, 0.295), (0.295, 0.298), (0.323, 0.360), (0.344, 0.358), (0.422, 0.496), (0.391, 0.517), (0.371, 0.477), (0.506, 0.303), (0.226, 0.295). These devices emit light having a color point that is within a 4-step MacAdam ellipse of the black-body locus.
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
CREE INC | 4600 SILICON DRIVE DURHAM NC 27703 |
International Classification(s)

- 2015 Application Filing Year
- H01L Class
- 25498 Applications Filed
- 22451 Patents Issued To-Date
- 88.06 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Reiherzer, Jesse Colin | Raleigh, US | 57 | 1403 |
# of filed Patents : 57 Total Citations : 1403 |
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Patent Citation Ranking
- 11 Citation Count
- H01L Class
- 75.67 % this patent is cited more than
- 9 Age
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11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Mar 1, 2028 |
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