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US 2006/0066529 A1Published application
Pixel circuit, light-emitting device, and image forming apparatus
AssigneeSeiko Epson Corporation
InventorEiji Kanda
Life of this patent
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Abstract
A pixel circuit includes a light-emitting element which emits light having the intensity corresponding to an amount of a driving current; a driving transistor which supplies the driving current to the light-emitting element; a storing circuit which writes a data signal instructing the light-emitting brightness of the light-emitting element during a writing period of time to store the data signal; and a buffer circuit which supplies a signal output from the storing unit to the driving transistor.
Claims9
A pixel circuit comprising:
- a light-emitting element which emits light having the intensity corresponding to an amount of a driving current;
- a driving transistor which supplies the driving current to the light-emitting element;
- a storing circuit which writes a data signal instructing the light-emitting brightness of the light-emitting element during a writing period of time to store the data signal;
- and
- a buffer circuit which supplies a signal output from the storing unit to the driving transistor.
2 more elements
Dependencies are inferred from the claim text.