Photodetector circuit
AssigneeSemiconductor Energy Laboratory Co., Ltd.
InventorsYoshiyuki Kurokawa, Takayuki Ikeda, Hikaru Tamura
Life of this patent
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Abstract
A photodetector circuit is provided that includes: a first wiring connected to an input terminal; a second wiring connected to an output terminal; and first and second photosensors each including a first terminal connected to the first wiring and a second terminal connected to the second wiring, wherein the first wiring and the second wiring are arranged in parallel, and the sum of resistance values of a first path from the input terminal to the output terminal via the first wiring, the first photosensor, and the second wiring is identical to the sum of resistance values of a second path from the input terminal to the output terminal via the first wiring, the second photosensor, and the second wiring.
Claims23
A semiconductor device having a photodetector circuit, the photodetector circuit comprising:
- a first wiring directly connected to an input terminal;
- a second wiring directly connected to an output terminal;
- and
- first and second photosensors each including a first terminal directly connected to the first wiring and a second terminal directly connected to the second wiring,
- wherein the first wiring and the second wiring are arranged in parallel, and
- wherein the sum of resistance values of a first path from the input terminal to the output terminal via the first wiring, the first photosensor, and the second wiring is identical to the sum of resistance values of a second path from the input terminal to the output terminal via the first wiring, the second photosensor, and the second wiring.
A semiconductor device having a photodetector circuit, the photodetector circuit comprising:
- a plurality of photosensors arranged in a first direction, each including a first terminal and a second terminal;
- a first wiring extending from an input terminal in the first direction, the first wiring directly connected to the first terminal of each of the plurality of photosensors;
- and
- a second wiring extending to an output terminal in the first direction, the second wiring directly connected to the second terminal of each of the plurality of photosensors,
- wherein the input terminal and the output terminal are disposed in opposition to each other with the plurality of photosensors interposed therebetween.
A semiconductor device having a photodetector circuit, the photodetector circuit comprising:
- a plurality of photosensors, each including a first terminal and a second terminal;
- a first wiring configured to supply a voltage from an input terminal in a first direction, the first wiring directly connected to the first terminal of each of the plurality of photosensors;
- and
- a second wiring configured to output a signal from to the second terminal in the first direction, the second wiring directly connected to the second terminal of each of the plurality of photosensors to an output terminal,
- wherein the input terminal and the output terminal are disposed on opposite sides of the photodetector circuit.
Dependencies are inferred from the claim text.