公开(公告)号：US11081046B2

公开(公告)日：2021-08-03

申请号：US16920777

申请日：2020-07-06

Applicant: AU Optronics Corporation

Inventor： Peng-Bo Xi ,  Chen-Chi Lin ,  Cheng-Nan Yeh

IPC: G09G3/30 ,  G09G3/32 ,  G09G3/3258

Abstract: A display device including a driving chip and a pixel array is provided. The driving chip is configured to provide multiple emission control signals according to a data input. A pixel array is coupled with the driving chip. M pixel circuits of the pixel array are configured to emit light respectively in M periods, and M is a positive integer. In a corresponding period of the M periods, the driving chip determines a first time length which one of the multiple emission control signals has a first voltage level, and one of the M pixel circuits emits light, in the corresponding period, for a light emission time length corresponding to the first time length.

公开(公告)号：US11132941B2

公开(公告)日：2021-09-28

申请号：US17016388

申请日：2020-09-10

Applicant: Au Optronics Corporation

Inventor： Peng-Bo Xi ,  Chen-Chi Lin ,  Yan-Ru Chen ,  Cheng-Nan Yeh ,  Sheng-Yu Hsu ,  Chia-Che Hung ,  En-Chih Liu

IPC: G09G3/32

Abstract: A display panel and a pixel circuit of the display panel are provided. The pixel circuit includes a driving transistor and a light-emitting time length modulator. The driving transistor has a control terminal receiving a pulse width control signal and an amplitude control signal, and the driving transistor generates a driving signal. In a first time period, the light-emitting time length modulator modulates a time length of a plurality of second time periods for providing the driving signal to a light-emitting device according to a light-emitting time control signal.

公开(公告)号：US20210193026A1

公开(公告)日：2021-06-24

申请号：US17016388

申请日：2020-09-10

Applicant: Au Optronics Corporation

Inventor： Peng-Bo Xi ,  Chen-Chi Lin ,  Yan-Ru Chen ,  Cheng-Nan Yeh ,  Sheng-Yu Hsu ,  Chia-Che Hung ,  En-Chih Liu

IPC: G09G3/32

Abstract: A display panel and a pixel circuit of the display panel are provided. The pixel circuit includes a driving transistor and a light-emitting time length modulator. The driving transistor has a control terminal receiving a pulse width control signal and an amplitude control signal, and the driving transistor generates a driving signal. In a first time period, the light-emitting time length modulator modulates a time length of a plurality of second time periods for providing the driving signal to a light-emitting device according to a light-emitting time control signal.

公开(公告)号：US11244617B1

公开(公告)日：2022-02-08

申请号：US17214967

申请日：2021-03-29

Applicant: AU Optronics Corporation

Inventor： Peng-Bo Xi ,  Chen-Chi Lin ,  Chia-Che Hung ,  Cheng-Nan Yeh ,  Chin-Tang Chuang ,  En-Chih Liu

IPC: G09G3/3233

Abstract: A driving method applicable to a display device, in which the display device includes multiple pixel circuits, and the method includes: adjusting multiple control signals according to a first display data such that the pixel circuits generate a first frame; receiving a second display data generated after the display data; and adjusting the control signals according to a time duration of the first frame such that the pixel circuits generate a second frame, where brightness for each of the pixel circuits is proportional to a duty ratio of one of the corresponding control signals, and an increment for the duty ratio of one of the corresponding control signals in the second frame is negatively correlated to a difference between a ratio of a preset time period to the time duration of the first frame and a ratio of the preset time period to the time duration of the second frame.