Pixel circuit and driving method thereof

Pixel circuit and driving method thereof

A pixel circuit includes a first transistor, a second transistor and a driving transistor. The first transistor is configured to selectively be turned on according to a light emitting control signal, wherein the first end of the first transistor is coupled to a first node, and the second end of the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SU, SUNG-YU, WANG, YA-JUNG, WANG, HSIENUN, LIN, RONG-FU
Format: Patent
Sprache:chi ; eng
Schlagworte:
ADVERTISING
ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION
CRYPTOGRAPHY
DISPLAY
EDUCATION
ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
PHYSICS
SEALS
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Beschreibung
Zusammenfassung:A pixel circuit includes a first transistor, a second transistor and a driving transistor. The first transistor is configured to selectively be turned on according to a light emitting control signal, wherein the first end of the first transistor is coupled to a first node, and the second end of the first transistor is coupled to a light emitting element. The second transistor is coupled to the first transistor and is configured to selectively be turned on according to a light emitting switch signal. The first end of the driving transistor receives a system low voltage, and the second end of the driving transistor is coupled to the first node. The light emitting control signal has a first pulse frequency, the light emitting switch signal has a second pulse frequency, and the first pulse frequency is higher than the second pulse frequency. The duty ratio of the light emitting control signal is lower than 50%.