ILLUMINATION DEVICE
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
N/A
app pub date -
Jan 17, 2013
filing date -
Jan 19, 2012
priority date (Note) -
Abandoned
status (Latency Note)
Importance
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US Family Size
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Non-US Coverage
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Abstract
An illuminating apparatus (100) has: a light source unit (140), which includes a light emitting element (110), and a luminous flux control member (120); a columnar light guide rod (160), which is composed of a transparent material; and a cover (170), which is disposed to cover the light source unit (140) and the light guide rod (160), said cover being disposed with respect to the light source unit (140) and the light guide rod (160) with an air layer therebetween. The light source unit (140) is disposed such that an output surface (126) of the luminous flux control member (120) faces an end surface (162) of the light guide rod (160).
First Claim
Other Claims data not available
Family
| Country | kind | publication No. | Filing Date |
|---|---|---|---|
| JP | B2 | JP5888999 | Jan 19, 2012 |
| CN | B | CN104067045 | Jan 17, 2013 |
| WO | A1 | WO2013108619 | Jan 17, 2013 |
International Classification(s)
- 2013 Application Filing Year
- F21K Class
- 780 Applications Filed
- 616 Patents Issued To-Date
- 78.98 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 6 Citation Count
- F21K Class
- 4 % this patent is cited more than
- 11 Age