公开(公告)号：US20240331636A1

公开(公告)日：2024-10-03

申请号：US18735048

申请日：2024-06-05

Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.

Inventor： Jieliang LI ,  Ming YANG

IPC: G09G3/3233 ,  G09G3/3266

CPC classification number: G09G3/3233 ,  G09G3/3266 ,  G09G2320/0247 ,  G09G2320/10

Abstract: Provided are a method for driving a display panel, the method comprises a plurality of picture update periods, wherein at least one of the plurality of picture update periods comprises a first data write stage, a second data write stage, and a data retention stage; at least one of the first data write stage precedes at least one of the second data write stage; at the first data write stage, a gate scanning signal is provided for and a first data voltage is written to a pixel unit; at the second data write stage, the gate scanning signal is provided for and a second data voltage is written to the pixel unit, wherein theoretical brightness corresponding to the first data voltage is greater than theoretical brightness corresponding to the second data voltage.

公开(公告)号：US20240237409A9

公开(公告)日：2024-07-11

申请号：US18402044

申请日：2024-01-02

Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.

Inventor： Jieliang LI ,  Jiaxian LIU

IPC: H10K59/121 ,  G09G3/3225 ,  G09G3/3266 ,  G09G3/3275

CPC classification number: H10K59/1216 ,  G09G3/3225 ,  G09G3/3266 ,  G09G3/3275 ,  H10K59/1213 ,  G09G2320/0626 ,  H01L27/1225

Abstract: Provided are display panels and display apparatus. The display panel includes a driving array layer including a pixel circuit and a driving circuit configured to provide a control signal to the pixel circuit. The pixel circuit includes first and third transistors. The driving circuit includes second and fourth transistors. The first to fourth transistors include an active layer including silicon, an active layer including oxide semiconductor, an active layer including oxide semiconductor, and an active layer including silicon. The first and the third transistors are switching transistors of the pixel circuit, |W1/L1-W4/L4| 5*|W2/L2-W3/L3|; or the first and third transistors are a switching transistor and a driving transistor of the pixel circuit, respectively, 5*|W1/L1-W4/L4|

公开(公告)号：US20240138191A1

公开(公告)日：2024-04-25

申请号：US18401975

申请日：2024-01-02

Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.

Inventor： Jieliang LI ,  Jiaxian LIU

IPC: H10K59/121 ,  G09G3/3225 ,  G09G3/3266 ,  G09G3/3275

CPC classification number: H10K59/1216 ,  G09G3/3225 ,  G09G3/3266 ,  G09G3/3275 ,  H10K59/1213 ,  G09G2320/0626 ,  H01L27/1225

Abstract: Provided are display panels and display apparatus. The display panel includes a driving array layer including a pixel circuit and a driving circuit configured to provide a control signal to the pixel circuit. The pixel circuit includes a first capacitor and a first transistor including an active layer including silicon. The driving circuit includes a second capacitor and a second transistor including an active layer including oxide semiconductor. In a direction perpendicular to a plane of the display panel, the first capacitor partially overlaps the first transistor, and the second capacitor does not overlap the second transistor; or in a direction perpendicular to a plane of the display panel, an area of a region where the first capacitor overlaps the first transistor is greater than an area of a region where the second capacitor overlaps the second transistor.

公开(公告)号：US20210150985A1

公开(公告)日：2021-05-20

申请号：US17164019

申请日：2021-02-01

Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.

Inventor： Jieliang LI ,  Gaojun Huang

IPC: G09G3/3233 ,  G09G3/20

Abstract: Provided are a pixel driving circuit, a display panel and a driving method. The pixel driving circuit includes a drive transistor, a data write module, a light emission control module, a threshold compensation module and a bias adjustment module. The control terminal of the drive transistor is connected to the first node. The first terminal of the drive transistor is connected to a third node. The second terminal of the drive transistor is connected to a second node. The light emission control module is connected in series with the drive transistor and connected in series with a light-emitting element. The threshold compensation module is connected in series between the control terminal of the drive transistor and the second terminal of the drive transistor. The first terminal of the bias adjustment module is connected to a bias signal terminal. The second terminal of the bias adjustment module is connected to the second terminal of the drive transistor.

公开(公告)号：US20180074622A1

公开(公告)日：2018-03-15

申请号：US15813474

申请日：2017-11-15

Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.

Inventor： Zaiwen ZHU ,  Jieliang LI ,  Yong YUAN ,  Feng LU ,  Qijun YAO ,  Hongming CHEN

IPC: G06F3/045 ,  H01L27/12 ,  G02F1/1362 ,  G02F1/1339 ,  G02F1/1333 ,  G01L1/22

Abstract: A display panel and a display apparatus are provided. The display panel includes a display area and a non-display area surrounding the display area. The display panel includes at least one semiconductor pressure sensor disposed in the non-display area. Each semiconductor pressure sensor has a planar structure and is provided with a hollow-out zone. In various embodiments of the present disclosure, the pressure detection accuracy of the pressure sensors is improved and the user experience is enhanced.