公开(公告)号：US20240215382A1

公开(公告)日：2024-06-27

申请号：US18234222

申请日：2023-08-15

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

Inventor： Meihong WANG ,  Yangzhao MA

IPC: H10K59/80 ,  H10K59/131 ,  H10K59/35

CPC classification number: H10K59/80518 ,  H10K59/131 ,  H10K59/353 ,  H10K59/878

Abstract: A display panel and a display device are provided. The display panel includes a substrate, a plurality of anodes disposed on a side of the substrate, and one or more reflection compensation structures. The plurality of anodes include a first anode. Along a direction perpendicular to a plane where the substrate is located, the first anode overlaps with a reflection compensation structure of the one or more reflection compensation structures. The reflection compensation structure is disposed on a side of the first anode facing towards the substrate.

公开(公告)号：US20240194144A1

公开(公告)日：2024-06-13

申请号：US18587366

申请日：2024-02-26

Applicant: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.

Inventor： Fei LI

IPC: G09G3/3258 ,  G09G3/3275 ,  H10K59/121 ,  H10K59/131 ,  H10K59/35

CPC classification number: G09G3/3258 ,  G09G3/3275 ,  H10K59/1213 ,  H10K59/1216 ,  H10K59/131 ,  H10K59/353 ,  G09G2310/061 ,  G09G2320/0233 ,  G09G2320/0247

Abstract: Provided are a display panel and a display apparatus. The display panel includes a substrate, a drive layer, and a pixel layer. The pixel layer is located at a side of the drive layer away from the substrate. The drive layer includes a first metal layer that is a metal layer that is closer to the pixel layer in the drive layer. The first metal layer includes data lines and a first signal line that extend in a same direction. The first signal line transmits a constant voltage signal. The pixel layer includes a plurality of sub-pixels, and each sub-pixel includes a light-emitting region. The light-emitting region is located between adjacent data lines. The first signal line overlaps with centers of the light-emitting regions of some of the sub-pixels.

公开(公告)号：US12002416B2

公开(公告)日：2024-06-04

申请号：US18188807

申请日：2023-03-23

Applicant: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.

Inventor： Chao Peng ,  Huifang Zhou

IPC: G09G3/32 ,  G11C19/28

CPC classification number: G09G3/32 ,  G11C19/28 ,  G09G2310/0267 ,  G09G2310/0275 ,  G09G2310/0286 ,  G09G2320/0233

Abstract: Provided are a display panel and a display device. The display panel has a display region and includes a substrate, light-emitting elements located in the display region, pixel circuits, and at least one driving circuit. The light-emitting elements, the pixel circuits and the at least one driving circuit are located at a side of the substrate. The light-emitting elements are connected to the pixel circuits, and each driving circuit includes shift registers. The pixel circuits includes at least one first pixel circuit including a first driving circuit, and the at least one first pixel circuit and at least one shift register are located in the display region. In the display region, the at least one first pixel circuit is arranged at a side of the shift registers of the first driving circuit close to an edge of the display panel.

公开(公告)号：US20240164162A1

公开(公告)日：2024-05-16

申请号：US18421438

申请日：2024-01-24

Applicant: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD. ,  Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch

Inventor： Huiping CHAI ,  Gaojun HUANG ,  Lin ZHANG

IPC: H10K59/131 ,  G09G3/3225

CPC classification number: H10K59/131 ,  G09G3/3225 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2320/0223 ,  G09G2320/0233 ,  G09G2330/08

Abstract: Provided are a display panel and a display apparatus. The display panel includes a substrate, gating lines and pixels. The gating lines extend in a first direction. Each pixel includes a pixel circuit including a functional transistor. The functional transistor includes a patterned conductive structure. A gate of the functional transistor is located in the conductive structure. The conductive structure is electrically connected to the gating line through a via. A sheet resistance of a layer where the gating line is located is lower than a sheet resistance of a layer where the conductive structure is located.

公开(公告)号：US11985886B2

公开(公告)日：2024-05-14

申请号：US18148919

申请日：2022-12-30

Applicant: WuHan TianMa Micro-electronics CO.,LTD

Inventor： Yanyun Fan

IPC: G09G3/3258 ,  G06F1/16 ,  H10K59/121 ,  H10K59/65

CPC classification number: H10K59/65 ,  G06F1/1605 ,  H10K59/121

Abstract: Provided is a display panel and a display device, the display has a display area having an optical module arrangement region, a first display area, and a second display area, the display panel includes a plurality of pixels provided in the display area, the pixels include first pixels located in the optical module arrangement region, second pixels located in the first display area, and third pixels in the second display area; and pixel circuits including first pixel circuits, second pixel circuits, and third pixel circuits; the second pixel circuits are located in the first display area and electrically connected to the second pixels, the third pixel circuits are located in the second display area and electrically connected to the third pixels, the first pixel circuits are electrically connected to the first pixels and transistors of at least some of the first pixel circuits are located in the first display area.

公开(公告)号：US20240135884A1

公开(公告)日：2024-04-25

申请号：US18090281

申请日：2022-12-28

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

Inventor： Xiangwen MA

IPC: G09G3/3258

CPC classification number: G09G3/3258 ,  G09G2310/061 ,  G09G2310/08

Abstract: A display panel including a first pulse width modulation period and a second pulse width modulation period, in the first pulse width modulation period, a duty cycle of a light-emitting control signal in a light-emitting stage being a first duty cycle, in the second pulse width modulation period, the duty cycle of the light-emitting control signal in the light-emitting stage being a second duty cycle, the first duty cycle being greater than the second duty cycle, in the first pulse width modulation period, a time interval between the start time of the first reset stage and the start time of the data writing stage being t1, in the second pulse width modulation period, the time interval between the start time of the first reset stage and the start time of the data writing stage being t1, t1

公开(公告)号：US11961477B2

公开(公告)日：2024-04-16

申请号：US17197007

申请日：2021-03-09

Applicant: Wuhan Tianma Micro-Electronics Co., Ltd. ,  Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch

Inventor： Mengmeng Zhang ,  Xingyao Zhou

IPC: G09G3/3241

CPC classification number: G09G3/3241 ,  G09G2310/0272 ,  G09G2310/0297

Abstract: A pixel driving circuit, a display panel and a driving method are provided. The pixel driving circuit includes: a first power signal terminal receiving a first voltage signal and a second power signal terminal receiving a second voltage signal; a driving transistor configured to provide a driving current in a light-emitting stage; a light-emitting component, connected in series between the driving transistor and the second power signal terminal and configured to emit light in response to the driving current; a light-emitting controller connected in series between the first power signal terminal and the light-emitting component; and a bias unit, electrically connected between the third node and a second output terminal of a light-emitting control circuit, and in response to a first control signal, configured to transmit a first signal outputted by the light-emitting control circuit to a third node to adjust a bias state of the driving transistor.

公开(公告)号：US11957024B2

公开(公告)日：2024-04-09

申请号：US17035776

申请日：2020-09-29

Applicant: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.

Inventor： Chujie Yu ,  Jiazhu Zhu ,  Shanfu Yuan ,  Tao Peng ,  Ruiyuan Zhou

IPC: H10K59/12 ,  G06F3/041 ,  G06F3/044 ,  H10K50/844 ,  H10K50/86 ,  H10K59/40 ,  G09G3/3225

CPC classification number: H10K59/40 ,  G06F3/0412 ,  G06F3/044 ,  H10K50/844 ,  H10K50/86 ,  H10K59/12 ,  G06F2203/04111 ,  G09G3/3225

Abstract: An OLED panel includes a display area and a non-display area around the display area; a substrate, a driving device layer and a light emitting device layer arranged in the display area, an encapsulation layer covering the light emitting device layer; and a touch layer located on a side of the encapsulation layer facing away from the substrate, the touch layer comprising a touch electrode and a touch wire. The non-display area includes an electrostatic discharge portion, the electrostatic discharge portion is made of a conductive material and is located on a side of the encapsulation layer facing away from the substrate. The non-display area includes a blocking portion, the blocking portion is arranged around the display area, and is located between the substrate and the encapsulation layer. The electrostatic discharge portion is located on a side of the touch wire facing away from the display area.

公开(公告)号：US11950481B2

公开(公告)日：2024-04-02

申请号：US17348318

申请日：2021-06-15

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

Inventor： Liang Hu ,  Ai Xiao ,  Linshan Guo

IPC: H10K59/38 ,  H10K50/86

CPC classification number: H10K59/38 ,  H10K50/865

Abstract: A display panel and a display device are provided in the present disclosure. The display panel includes a substrate and an array layer disposed on a side of the substrate; a light-emitting layer, where the light-emitting layer is on a side of the array layer away from the substrate and includes a plurality of light-emitting units; and a color filter layer. The color filter layer includes a light-blocking portion and a plurality of color resist units; the plurality of color resist units is disposed corresponding to the plurality of light-emitting units; at least two color resist units of a same color have different orthographic projection shapes on a same first plane; a first plane at least includes one of a first sub-plane and a second sub-plane; the first sub-plane is a plane perpendicular to the substrate; and the second sub-plane is a plane in parallel with the substrate.

公开(公告)号：US11948505B2

公开(公告)日：2024-04-02

申请号：US17687594

申请日：2022-03-04

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

Inventor： Jiao Shi ,  Di Zhang

IPC: G09G3/32 ,  G09G3/3225 ,  H10K59/121 ,  H01L29/786

CPC classification number: G09G3/3225 ,  H10K59/1213 ,  G09G2300/0452 ,  G09G2300/0842 ,  G09G2320/0214 ,  G09G2320/0233 ,  H01L29/78696

Abstract: Display panel and display device are provided. The display panel includes a plurality of subpixels. A subpixel of the plurality of subpixels includes a pixel circuit and a light emitting element that are electrically connected. The pixel circuit includes a first transistor. A first electrode of the first transistor is connected to a first reference voltage signal terminal. A second electrode of the first transistor is electrically connected to an anode of the light emitting element. In a light emitting retention stage of the subpixel of the plurality of subpixels, the first reference voltage signal terminal is connected to a negative potential signal or a ground potential signal. The plurality of subpixels includes at least a first subpixel and a second subpixel, and a color of the first subpixel is different from a color of the second subpixel.