Photoelectric conversion element, image reading device, image forming apparatus, image reading method, and image forming method
AssigneeRicoh Company, Ltd.
InventorMasamoto Nakazawa
Life of this patent
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Abstract
A photoelectric conversion element comprises: a plurality of light-receiving elements that generates a charge for each pixel according to an amount of received light; and a plurality of pixel circuits that operates so as to derive the charge generated by the plurality of light-receiving elements from the plurality of light-receiving elements for each pixel. The plurality of light-receiving elements is arranged in a light-receiving area that receives light from outside, and the plurality of pixel circuits is provided in a non-light-receiving area that does not receive the light from outside.
Claims16
A photoelectric conversion element comprising:
- a light-receiving area that receives light from outside;
- a plurality of pixels that are arranged to form one or more pixel rows in the light-receiving area;
- a non-light-receiving area that does not receive the light from outside, and that is provided so as to be adjacent to the light-receiving area;
- a plurality of light-receiving elements each provided respectively in each of the pixels, and that generates a charge for each of the pixels according to an amount of received light;
- and
- a plurality of pixel circuits each arranged so as to be respectively adjacent to each of the pixels in the non-light-receiving area, and operates respectively so as to derive the charge generated by each of the plurality of light-receiving elements.
An image reading method comprising steps of:
- generating a charge for each of a plurality of pixels according to an amount of received light by each of a plurality of light-receiving elements that are each provided respectively in each of the pixels and arranged in a light-receiving area that receives light from outside, the plurality of pixels being arranged to form a pixel row in the light-receiving area;
- and
- deriving the charge generated by each of the plurality of light-receiving elements by each of a plurality of pixel circuits that are each arranged so as to be respectively adjacent to each of the pixels provided in a non-light-receiving area, the non-light receiving area not receiving the light from outside and being provided so as to be adjacent to the light-receiving area.
An image forming method comprising steps of:
- generating a charge for each of a plurality of pixels according to an amount of received light by each of a plurality of light-receiving elements that are each provided respectively in each of the pixels and arranged in a light-receiving area that receives light from outside, the plurality of pixels being arranged to form a pixel row in the light-receiving area;
- deriving the charge generated by each of the plurality of light-receiving elements by each of a plurality of pixel circuits that are each arranged so as to be respectively adjacent to each of the pixels provided in a non-light-receiving area, the non-light receiving area not receiving the light from outside and being provided so as to be adjacent to the light-receiving area;
- converting the derived charges to generate an image data;
- and
- forming an image based on the image data.
Dependencies are inferred from the claim text.