OPTOELECTRONIC DEVICES INCLUDING HETEROJUNCTION
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 -
May 3, 2012
app pub date -
Nov 3, 2010
filing date -
Nov 3, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Embodiments of the invention generally relate to optoelectronic semiconductor devices such as photovoltaic devices including solar cells. In one aspect, an optoelectronic semiconductor device includes an absorber layer made of gallium arsenide (GaAs) and having only one type of doping. An emitter layer is located closer than the absorber layer to a back side of the device, the emitter layer made of a different material than the absorber layer and having a higher bandgap than the absorber layer. A heterojunction formed between the emitter layer and the absorber layer, and a p-n junction is formed between the emitter layer and the absorber layer and at least partially within the different material at a location offset from the heterojunction. The p-n junction causes a voltage to be generated in the device in response to the device being exposed to light at a front side of the device.
First Claim
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Family
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
ALTA DEVICES INC | 3260 SCOTT BLVD SANTA CLARA CA 95054 |
International Classification(s)

- 2010 Application Filing Year
- H01L Class
- 16510 Applications Filed
- 13147 Patents Issued To-Date
- 79.64 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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KAYES, Brendan M | San Francisco, US | 39 | 297 |
# of filed Patents : 39 Total Citations : 297 | |||
KIZILYALLI, Isik C | San Francisco, US | 145 | 1919 |
# of filed Patents : 145 Total Citations : 1919 | |||
NIE, Hui | Santa Clara, US | 97 | 729 |
# of filed Patents : 97 Total Citations : 729 |
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Patent Citation Ranking
- 13 Citation Count
- H01L Class
- 50.29 % 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 |
---|---|---|---|
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 |
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