Patent US5324930A successfully refreshed from Google Patents.
US5324930A
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Lens array for photodiode device with an aperture having a lens region and a non-lens region
Assignee: Eastman Kodak Co
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Filing: 1993-04-08
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Granted: 1994-06-28
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Expires: 2013-04-08
Abstract
Abstract In an image sensor using photodiodes, the structure is arranged so that a lens for each photodiode focuses light onto a first portion of the photodiode. Light from the scene directly illuminates a second portion of the photodiode.
Inventors
- 👤 Joseph Jech, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:19
CPC Classifications
H; H10; H10F; H10F77/00; H10F77/40; H10F30/00; H10F30/20; H10F30/21; H10F30/22; H10F30/221; H10F77/30; H10F77/306; H10F77/331; H10F77/334; H10F77/413
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
90 words
In an image sensor having a plurality of photodiodes and a lens array having individual lenses, each such lens being disposed over a particular photodiode, the improvement comprising: (a) a light shield provided for each photodiode and having an aperture; and (b) each lens being provided over a lens region of the aperture to focus light from a scene on a first portion of the photodiode and arranged so that light from the scene also directly illuminates a second portion of the photodiode through a non-lens region of the aperture.
Claim 2
Dependent Claim
90 words
In an image sensor having a plurality of photodiodes and a lens array having individual lenses, each such lens being disposed over a particular photodiode, the improvement comprising: (a) a light shield provided for each photodiode and having an aperture; and (b) each lens being provided over a lens region of the aperture to focus light from a scene on a first portion of the photodiode and arranged so that light from the scene also directly illuminates a second portion of the photodiode through a non-lens region of the aperture.
Claim 3
Dependent Claim
21 words
The image sensor of claim 1 further including a color filter array positioned between the lens array and the light shield.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-06-27 | 1997-12-27 | 1998-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-06-27 | 2001-12-27 | 2002-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-06-27 | 2005-12-27 | 2006-06-28 | $7700.00 | Window Closed / Lapsed |