Auo Corporation

National Cheng-kung University

Au Optronics Corporation

Ming-Hung Chuang

Ming-Yang Deng

Chih-Lung Lin

Che-Chia Chang

Chia-En Wu

Cheng-Hsing Lin

Che-Wei Tung

Mei-Yi Li

Jui-Chi Lo

Yu-Hsun Chiu

Jui-Hung Chang

Chia-Tien Peng

Yi-Jui Chen

Yi-Chen Huang

Chih-I Liu

Po-Cheng Lai

Shu-Han Chang

Chun-Shiang Dai

Ming-Hsien Lee

En-Chih Liu

Shu-Wen Tzeng

Yi-Chien Chen

A display apparatus is provided. The display apparatus includes a display module and multiple light-emitting driving circuits. Each of the light-emitting driving circuits includes a timing control circuit and a driving circuit. The timing control circuit receives multiple clock signals and a previous light-emitting timing signal to provide a light-emitting timing signal and an internal voltage. The driving circuit receives a first phase signal among multiple phase signals and the internal voltage to provide a light-emitting driving signal to the display module based on the first phase signal and the internal voltage. The phase signals all present disabled levels during a vertical blank period.

Display apparatus

Disclosed is a pixel circuit. A pulse width signal generator provides a pulse width signal to a control terminal of a light-emitting control switch on a drive current path of a drive current generator. A multiple lighting controller adjusts the pulse width signal provided by the pulse width signal generator according to a multiple emission control signal to allow a light-emitting element to perform multi-emission.

Pixel circuit

A driving circuit includes a driving transistor, first to second capacitors and first to third switching transistors. The driving transistor is configured to control a driving current provided to a light emitting element to emit light. The first capacitor includes a first terminal coupled to a gate terminal of the driving transistor. The first switching transistor coupled between a second terminal of the first capacitor and a driving voltage terminal. The second switching transistor includes a first terminal coupled to a gate terminal of the first switching transistor and a second terminal coupled to a first reference voltage terminal. The third switching transistor coupled between a gate terminal of the second switching transistor and a second reference voltage terminal. The second capacitor includes a first terminal coupled to a gate terminal of the third switching transistor and a second configured to receive a sweep signal.

Driving circuit

A display panel and a light emitting signal generator thereof are provided. The light emitting signal generator includes an output stage circuit, a first control signal generator, a second control signal generator, a switch, and a capacitor. The output stage circuit generates a light emitting signal according to a first control signal and a second control signal. The first control signal generator generates the first control signal at a first control end. The second control signal generator generates the second control signal at a second control end. The switch is coupled between the first control end and the output stage circuit. The first capacitor is coupled to the first control end.

Display panel and light emitting signal generator thereof

A display device and a driving method thereof are provided. In the display device, a display panel has multiple first pixel rows and multiple second pixel rows arranged alternately. In a first time interval, a first gate driver sequentially drives the first pixel rows using a first driving method. In a second time interval, a second gate driver sequentially drives the second pixel rows using the first driving method. In a third time interval, a third gate driver sequentially drives the first pixel rows using a second driving method. In a fourth time interval, a fourth gate driver sequentially drives the second pixel rows using the second driving method. One of the first driving method and the second driving method is a pulse amplitude modulation driving method, and the other of the first driving method and the second driving method is a pulse width modulation driving method.

Display device and driving method thereof

A sweep voltage generator and a display panel are provided. The sweep voltage generator includes an output node, a current generating block and a voltage regulating block. The output node is used to provide a sweep signal. The current generating block is coupled to the output node, includes a detection path for detecting an output load variation on the output node, and adjusts the sweep signal provided by the output node based on the output load variation. The voltage regulating block is coupled to the output node for regulating a voltage of the output node.

Sweep voltage generator and display panel

Growing community of inventors

Hsinchu, Taiwan

Ming-Hung Chuang