Pixel circuit and driving method thereof, display device and driving method thereof
A technology of pixel circuit and driving method, which is applied in the fields of pixel circuit and its driving, display device and its driving, and can solve the problems of crosstalk, low lifespan, high power consumption, etc.
Active Publication Date: 2021-11-26
BOE TECH GRP CO LTD
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Problems solved by technology
Although PMOLED has a simple process and low cost, it cannot meet the needs of high-resolution and large-size displays due to shortcomings such as crosstalk, high power consumption, and low lifespan.
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[0029] In order to make the purpose, technical solutions and advantages of the embodiments of the present disclosure clearer, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present disclosure. Apparently, the described embodiments are some of the embodiments of the present disclosure, not all of them. Based on the described embodiments of the present disclosure, all other embodiments obtained by persons of ordinary skill in the art without creative effort fall within the protection scope of the present disclosure.
[0030] Unless otherwise defined, the technical terms or scientific terms used in the present disclosure shall have the usual meanings understood by those skilled in the art to which the present disclosure belongs. "First", "second" and similar words used in the present disclosure do not indicate any order, quantity or importan...
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A pixel circuit and its driving method, and a display device and its driving method, the pixel circuit includes: a driving circuit, a reset circuit and a sensing circuit. The control terminal of the driving circuit is configured to receive the data voltage, the first terminal of the driving circuit is configured to receive the first voltage, and the second terminal of the driving circuit is configured to be electrically connected to the light emitting element. The reset circuit is electrically connected to the second terminal of the driving circuit and is configured to reset the second terminal of the driving circuit in response to the first scan signal. The sensing circuit is electrically connected to the second terminal of the driving circuit, and configured to conduct the second terminal of the driving circuit with the sensing signal line in response to a second scanning signal, the second scanning signal being different from the first scanning signal.
Description
technical field [0001] Embodiments of the present disclosure relate to a pixel circuit and a driving method thereof, a display device and a driving method thereof. Background technique [0002] Compared with traditional liquid crystal display panels, organic light-emitting diode (Organic Light-Emitting Diode, OLED) display panels have the advantages of faster response, higher contrast, wider viewing angle and lower power consumption, and more and more are used in high-performance displays. [0003] The pixel circuit in the OLED display panel generally adopts a matrix driving method. According to whether switching components are introduced into each pixel unit, the driving method of the pixel circuit is divided into active matrix (Active Matrix, AM) driving and passive matrix (Passive Matrix, PM) drive. Although PMOLED has a simple process and low cost, it cannot meet the needs of high-resolution and large-size displays due to shortcomings such as crosstalk, high power cons...
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IPC IPC(8): G09G3/3225
CPCG09G3/3225G09G3/20G09G2320/0295G09G2300/0819G09G2300/0842G09G2310/0262G09G3/3233G09G3/2092G09G2300/0426G09G2310/027G09G2310/0278G09G2310/061
Inventor 杨飞王俪蓉
Owner BOE TECH GRP CO LTD