Area sensor and display apparatus provided with an area sensor

Details Area sensor and display apparatus provided with an area sensor Area sensor and display apparatus provided with an area sensor

2006-04-18

2006-04-18

Santiago, Mariceli (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C257S052000, C257S053000, C257S057000, C257S072000, C257SE27110, C257SE27140, C257SE31090

Reexamination Certificate

active

07030551

ABSTRACT:
An area sensor of the present invention has a function of displaying an image in a sensor portion by using light-emitting elements and a reading function using photoelectric conversion devices. Therefore, an image read in the sensor portion can be displayed thereon without separately providing an electronic display on the area sensor. Furthermore, a photoelectric conversion layer of a photodiode according to the present invention is made of an amorphous silicon film and an N-type semiconductor layer and a P-type semiconductor layer are made of a polycrystalline silicon film. The amorphous silicon film is formed to be thicker than the polycrystalline silicon film. As a result, the photodiode according to the present invention can receive more light.

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