US5126802A
Expired / Lapsed
US
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Electric device
Assignee: Ricoh Co Ltd
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Filing: 1990-12-26
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Granted: 1992-06-30
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Expires: 2010-12-26
Abstract
Abstract An electric device comprises a portion comprising an electrode, an n-type inorganic semiconductor layer formed on the electrode, and an electron-conductive organic layer formed on the n-type inorganic semiconductor layer, and a photoelectric conversion device utilizes the above electric device by using the electron-conductive organic layer as an electron acceptor, with addition of an electron donor layer and another electrode thereto.
Inventors
- 👤 Masao Yoshikawa
- 👤 Tetsuro Suzuki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:39
CPC Classifications
H; H10; H10F; H10F77/00; H10F77/20; H10F77/244; H10D; H10D64/00; H10D64/60; H10D64/62; H10F77/247; H10K; H10K30/00; H10K30/10; H10K30/15; H10K30/152; H10K30/50; H10K85/00; H10K85/30; H10K85/311; H10K85/60; H10K85/615; H10K85/621; H10K85/649; H10K85/652; Y; Y02; Y02E; Y02E10/00; Y02E10/50; Y02E10/549
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
50 words
An electric device comprising a portion which comprises an electrode, an n-type inorganic semiconductor layer formed on said electrode, and an electron-conductive organic layer formed on said n-type inorganic semiconductor layer, wherein said electrode is made of C or a metal having a work function of 4.5 eV or more.
Claim 2
Dependent Claim
50 words
An electric device comprising a portion which comprises an electrode, an n-type inorganic semiconductor layer formed on said electrode, and an electron-conductive organic layer formed on said n-type inorganic semiconductor layer, wherein said electrode is made of C or a metal having a work function of 4.5 eV or more.
Claim 3
Dependent Claim
32 words
The electric device as claimed in claim 1, wherein said n-type inorganic semiconductor layer comprises a material selected from the group consisting of an n-type crystalline silicon and an n-type amorphous silicon.
Claim 4
Dependent Claim
30 words
The electric device as claimed in claim 1, wherein said n-type inorganic semiconductor layer comprises a material selected from the group consisting of zinc oxide, zinc sulfide, and zinc selenide.
Claim 5
Dependent Claim
28 words
The electric device as claimed in claim 1, wherein said n-type inorganic semiconductor layer comprises a material selected from the group consisting of cadmium sulfide and cadmium selenide.
Claim 6
Dependent Claim
18 words
The electric device as claimed in claim 1, wherein said electron-conductive organic layer comprises an electron acceptor compound.
Claim 7
Dependent Claim
17 words
The electric device as claimed in claim 1, wherein said electron-conductive organic layer comprises a perylene pigment.
Claim 8
Dependent Claim
17 words
The electric device as claimed in claim 1, wherein said electron-conductive organic layer comprises a quinone pigment.
Claim 9
Dependent Claim
17 words
The electric device as claimed in claim 1, wherein said electron-conductive organic layer comprises a perynone pigment.
Claim 10
Dependent Claim
36 words
The electric device as claimed in claim 1, wherein said electron-conductive organic layer comprises a conjugated polymeric material selected from the group consisting of a polyacetylene and a polythiophene which are doped with potassium or sodium.
Claim 11
Dependent Claim
18 words
The electron device as claimed in claim 1, wherein said electron-conductive organic layer comprises a quinonecontaining yellow pigment.
Claim 12
Dependent Claim
29 words
The electron device as claimed in claim 1, wherein said electron-conductive organic layer comprises a dye selected from the group consisting of Crystal Violet, Methyl Violet and Malachite Green.
Claim 13
Dependent Claim
19 words
The electric device as claimed in claim 1, wherein said n-type inorganic semiconductor layer comprises a phosphorous-doped amorphous silicon.
Claim 14
Dependent Claim
21 words
The electric device as claimed in claim 1, wherein said electrode is made of Au, Pd, Pt, Cr, Ni or C.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1995-06-30 | 1995-12-30 | 1996-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-06-30 | 1999-12-30 | 2000-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-06-30 | 2003-12-30 | 2004-06-30 | $7700.00 | Window Closed / Lapsed |