Solid State Bidirectional Light Sheet for General Illumination
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
N/A
app pub date -
Jun 29, 2012
filing date -
Aug 27, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Importance

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Abstract
A solid state light sheet and method of fabricating the sheet are disclosed. In one embodiment, bare LED chips have top and bottom electrodes, where the bottom electrode is a large reflective electrode. The bottom electrodes of an array of LEDs (e.g., 500 LEDs) are bonded to an array of electrodes formed on a flexible bottom substrate. Conductive traces are formed on the bottom substrate connected to the electrodes. A transparent top substrate having conductors is then laminated over the bottom substrate. Various ways to connect the LEDs in series are described along with many embodiments. The light sheets may be formed to emit light from opposite surfaces of the light sheet, enabling it to be used in a hanging fixture to illuminate the ceiling as well as the floor. The light sheet provides a practical substitute for a standard 2×4 foot fluorescent ceiling fixture.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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QUARKSTAR LLC | 197 E CALIFORNIA AVENUE SUITE 304 LAS VEGAS NV 89104 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Henry, Michael David | Albuquerque, US | 37 | 1566 |
# of filed Patents : 37 Total Citations : 1566 | |||
Lerman, Louis | Las Vegas, US | 116 | 3264 |
# of filed Patents : 116 Total Citations : 3264 | |||
Ogonowsky, Brian D | Mountain View, US | 38 | 2242 |
# of filed Patents : 38 Total Citations : 2242 | |||
Steele, Robert | Redwood City, US | 25 | 2238 |
# of filed Patents : 25 Total Citations : 2238 | |||
York, Allan Brent | Langley, CA | 113 | 4142 |
# of filed Patents : 113 Total Citations : 4142 |
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Patent Citation Ranking
- 32 Citation Count
- F21V Class
- 86.18 % this patent is cited more than
- 13 Age
Forward Cite Landscape
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

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Aug 19, 2014 | AS | ASSIGNMENT | free format text: RELEASE BY SECURED PARTY;ASSIGNOR:CREDIT SUISSE AG;REEL/FRAME:033868/0001 Owner name: ALCATEL LUCENT, FRANCE Effective Date: Aug 19, 2014 |
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Dec 03, 1999 | FEPP | FEE PAYMENT PROCEDURE | free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Nov 23, 1999 | I | Issuance | |
Nov 12, 1999 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Aug 15, 1996 | F | Filing | |
Jun 14, 1996 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:PALUMBO, NICOLAS;REEL/FRAME:008205/0193 Owner name: ALCATEL MOBILE PHONES, FRANCE Effective Date: Jun 14, 1996 |
Aug 16, 1995 | PD | Priority Date |

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