Solid-state color image pickup device with accumulated-layer structure
US4737833A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Feb 19, 1986 |
| Grant date | Apr 12, 1988 |
| Priority date | — |
| Expiry date | Feb 19, 2006 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10F39/8053
Abstract
A solid-state image pickup device includes a semiconductor substrate and at least a layer of photosensitive semiconductor having a semiconductor material in which photocarriers are excited with a light incident thereto. The photosensitive semiconductor layer is disposed above one principal surface of the semiconductor substrate and has such a thickness as to allow a portion of the incident light to pass therethrough to the semiconductor substrate. The semiconductor substrate and photosensitive semiconductor layer forms an array of photosensitive areas associated with pixels of a picture. Each of the photosensitive areas includes a connecting element for conducting electric charges from the photosensitive semiconductor layer, a photosensitive region which is formed in the one principal surface of the semiconductor substrate and in which photocarriers are excited with a light incident thereto, a first switching element formed in the one principal surface of the semiconductor substrate and linked to the photosensitive region for producing a signal associated with electric charges in the photosensitive region, a second switching element formed in the one principal surface of the semico…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.