Illumination method using a light-emitting device
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United States of America Patent
Stats
-
Sep 20, 2022
Grant Date -
Oct 20, 2016
app pub date -
Jun 24, 2016
filing date -
Dec 27, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
It is an object of the present invention to improve light source efficiency of “a light-emitting device capable of realizing a natural, vivid, highly visible and comfortable appearance of colors or an appearance of objects” already arrived at by adopting a spectral power distribution having a shape completely different from the shape of conventionally known spectral power distributions while maintaining favorable color appearance characteristics.
First Claim
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International Classification(s)
- 2016 Application Filing Year
- C09K Class
- 3076 Applications Filed
- 2094 Patents Issued To-Date
- 68.08 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 2 Citation Count
- C09K Class
- 74.54 % this patent is cited more than
- 3 Age
Maintenance Fees
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|---|---|---|---|---|
| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Mar 20, 2026 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Mar 20, 2030 |
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