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US 2026/0087976 A1Published application
Pixel circuit
AssigneeAUO Corporation
InventorsTing-Wei Guo, Shu-Hao Huang, Ching-Liang Huang, Sung-Yu Su, Yang-En Wu
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Abstract
A pixel circuit is disclosed. The pixel circuit includes a current generating circuit, one or more light-emitting elements, and a light-emitting control circuit. The current generating circuit receives pixel data to provide a driving current. The light-emitting element is used to provide full-color light. The light-emitting control circuit is coupled in series with the current generating circuit and the light-emitting element, and controls light-emitting brightness of the full-color light based on the driving current.
Claims18
A pixel circuit, comprising:
- a current generating circuit, receiving pixel data to provide a driving current;
- one or more light-emitting elements for providing full-color light;
- a light-emitting control circuit, coupled in series with the current generating circuit and the one or more light-emitting elements, and controlling light-emitting brightness of the full-color light based on the driving current,
- wherein the current generating circuit comprises:
- a first transistor, having a first terminal, a control terminal receiving the pixel data, and a second terminal coupled to the light-emitting control circuit;
- wherein a first terminal of a first light-emitting element of the one or more light-emitting elements receives a first system high voltage, a first terminal of a second light-emitting element of the one or more light-emitting elements receives a second system high voltage different from the first system high voltage, a first terminal of a third light-emitting element of the one or more light-emitting elements receives a third system high voltage different from the first system high voltage and the second system high voltage, and second terminals of the first to third light-emitting elements are commonly coupled to the first terminal of the first transistor to provide the driving current flowing through the first transistor.
3 more elements
A pixel circuit, comprising:
- a current generating circuit, receiving pixel data to provide a driving current;
- one or more light-emitting elements for providing full-color light;
- a light-emitting control circuit, coupled in series with the current generating circuit and the one or more light-emitting elements, and controlling light-emitting brightness of the full-color light based on the driving current,
- wherein the current generating circuit comprises:
- a first transistor, having a first terminal receiving the pixel data, a control terminal receiving a scanning signal, and a second terminal;
- a second transistor, having a first terminal, a control terminal coupled to the second terminal of the first transistor, and a second terminal coupled to the light-emitting control circuit;
- wherein a first terminal of a first light-emitting element of the one or more light-emitting elements receives a first system high voltage, a first terminal of a second light-emitting element of the one or more light-emitting elements receives a second system high voltage different from the first system high voltage, a first terminal of a third light-emitting element of the one or more light-emitting elements receives a third system high voltage different from the first system high voltage and the second system high voltage, and second terminals of the first to third light-emitting elements are commonly coupled to the first terminal of the second transistor to provide the driving current flowing through the second transistor.
4 more elements
Dependencies are inferred from the claim text.