Method and system for driving a light emitting device display
AssigneeIgnis Innovation Inc.
InventorsArokia Nathan, Gholamreza Chaji
Life of this patent
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Abstract
A method and system for driving a light emitting device display is provided. The system provides a timing schedule which increases accuracy in the display. The system may provide the timing schedule by which an operation cycle is implemented consecutively in a group of rows. The system may provide the timing schedule by which an aging factor is used for a plurality of frames.
Claims9
1-26. (canceled)
A method of driving a display system using a segmented addressing scheme, the display system comprising a pixel array including a plurality of pixel circuits divided into a plurality of segments according to the segmented addressing scheme, each of the plurality of segments including pixel circuits in more than one row of the pixel array, each pixel circuit having a light emitting device, a drive transistor for driving the light emitting device to emit light, a capacitor, and a switch transistor for generating a threshold voltage of the drive transistor during a generating threshold voltage operation, the method comprising:
- simultaneously controlling the switch transistors in a plurality of pixel circuits in more than one row of the pixel array with shared control signals, each of the plurality of pixel circuits being in a first segment of the plurality of segments, to simultaneously generate the threshold voltages of the drive transistors in the first segment during the generating threshold voltage operation in the plurality of pixel circuits in the first segment.
A display system comprising:
- a pixel array including a plurality of pixel circuits divided into a plurality of segments, each of the plurality of segments according to a segmented addressing scheme, each of the plurality of segments including pixel circuits in more than one row of the pixel array, each pixel circuit having a light emitting device, a drive transistor for driving the light emitting device to emit light, a capacitor, and a switch transistor for generating a threshold voltage of the drive transistor during a generating threshold voltage operation;
- and
- a driver configured to implement the segmented addressing scheme using the plurality of segments including simultaneously controlling the switch transistors in a plurality of pixel circuits in more than one row of the pixel array with shared control signals, each of the plurality of pixel circuits being in a first segment of the plurality of segments, to simultaneously generate the threshold voltages of the drive transistors in the first segment during the generating threshold voltage operation in the plurality of pixel circuits in the first segment.
Dependencies are inferred from the claim text.