Light-emitting element driving device and image forming apparatus using the same
AssigneePanasonic Corporation
InventorsToshihiko MITSUSE, Yuuji TOYOMURA
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Abstract
A light-emitting driving device includes a light-emitting element array including a plurality of light-emitting elements, and a driver including a plurality of driving elements. The plurality of light-emitting elements included in the light-emitting element array are driven by the plurality of driving elements included in the driver. A plurality of signal lines are connected to the plurality of driving elements, respectively. A plurality of power supply lines and a plurality of ground lines are connected to the plurality of driving elements, respectively. An entire line width of each of the plurality of signal lines is greater as a distance thereof from a signal source increases.
Claims13
A light-emitting driving device, comprising:
- a light-emitting element array including a plurality of light-emitting elements;
- a driver including a plurality of driving elements, the plurality of light-emitting elements included in the light-emitting element array being driven by the plurality of driving elements included in the driver;
- a plurality of first signal lines connected to the plurality of driving elements, respectively;
- and
- a plurality of power supply lines and a plurality of ground lines connected to the plurality of driving elements, respectively,
- wherein an entire line width of each of the plurality of first signal lines is greater as a distance from a signal source increases.
A light-emitting element driving device, comprising:
- a light-emitting element array including a plurality of light-emitting elements aligned in an array configuration;
- a driver including a plurality of driving elements aligned along the light-emitting element array, the plurality of light-emitting elements included in the light-emitting element array being driven by the plurality of driving elements included in the driver;
- and
- a plurality of first signal lines connected to the plurality of driving elements, respectively;
- a plurality of power supply lines and a plurality of ground lines connected to the plurality of driving elements, respectively;
- and
- a plurality of second signal lines connected to the plurality of driving elements, respectively,
- wherein the plurality of first signal lines and the plurality of second signal lines are connected from different directions to the driver in directions crossing an arrangement direction of the light-emitting element array,
- wherein an entire line width of each of at least one of the plurality of first signal lines and the plurality of second signal lines is greater as a distance from a signal source increases.
A light-emitting element driving device with an electrically active matrix structure, comprising:
- a plurality of light-emitting elements aligned in an array configuration;
- driving elements provided in correspondence to the plurality of light-emitting elements so as to drive the plurality of light-emitting elements;
- first signal lines for setting driving conditions of the plurality of light-emitting elements to the driving elements;
- and
- second signal lines for controlling operations of the driving elements,
- wherein the first signal lines and the second signal lines are configured not to cross each other,
- wherein at least one of the plurality of first signal lines and the plurality of second signal lines have a greater line width as a distance from a signal source increases.
Dependencies are inferred from the claim text.