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US 7,411,598 B2Granted
Line head and image forming apparatus
AssigneeSeiko Epson Corporation
InventorTakayuki Kitazawa
Life of this patent
Estimating the term…
Abstract
A line head includes pixel circuits each of which has a plurality of light-emitting elements and circuit elements arranged in a line, and that make the light-emitting elements emit light selectively, based on selecting signals and data signals; selecting circuits that generate the selecting signals based on clock signals input through clock signal lines; data lines that supply data signals to the pixel circuits; and a conductive line having low impedance, arranged in the vicinity of the clock signal line.
Claims14
A line head comprising:
- a data line that supplies a data signal;
- a plurality of light-emitting elements arranged in a line, at least one of the plurality of light-emitting elements emitting light selectively based on a selecting signal and the data signal;
- a plurality of circuit elements arranged in a line along the plurality of light-emitting elements;
- a clock signal line;
- a plurality of shift registers, at least one of the shift registers generating the selecting signal based on a clock signal input through the clock signal line;
- and
- a power wiring line arranged along the clock signal line.
4 more elements
A line head comprising:
- a data line that supplies a data signal;
- a plurality of light-emitting elements arranged in a line, at least one of the plurality of light-emitting elements emitting light selectively based on a selecting signal and the data signal;
- a plurality of circuit elements arranged in a line along the plurality of light-emitting elements;
- a clock signal line;
- a plurality of shift registers, at least one of the shift registers generating the selecting signal based on a clock signal input through the clock signal line;
- and
- a ground wiring line arranged along the clock signal line.
4 more elements
Dependencies are inferred from the claim text.