公开(公告)号：US12082499B2

公开(公告)日：2024-09-03

申请号：US16831646

申请日：2020-03-26

Applicant: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD. ,  WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH

Inventor： Wenjing Xiao ,  Wei Gao ,  Wenpeng Dai ,  Lei Zhang ,  Jinghua Niu ,  Yi Liu

IPC: H10K85/60 ,  C07F9/6568 ,  C09K11/06 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/18 ,  H10K101/10

CPC classification number: H10K85/657 ,  C07F9/65685 ,  C09K11/06 ,  H10K85/636 ,  H10K85/6572 ,  C09K2211/1018 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/171 ,  H10K50/18 ,  H10K2101/10

Abstract: An organic compound has a structure as shown in Formula (I). The compound has a phosphorus-oxygen five-membered ring combined with a five-membered ring as an electron acceptor unit. The compound has a high luminous efficiency and a lower material cost than phosphorescent metal complexes. The compound can be built into a stack structure of organic optoelectronic device, such as OLED. The resultant organic optoelectronic device includes an anode, a cathode, and at least one organic thin film located between the anode and the cathode, the organic thin film contains the compound as shown in Formula (I).

公开(公告)号：US20240276824A1

公开(公告)日：2024-08-15

申请号：US18546563

申请日：2022-08-31

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

Inventor： Qin YUE ,  Yangzhao MA

IPC: H10K59/35

CPC classification number: H10K59/353 ,  H10K59/352

Abstract: Display panel and Display apparatus are provided. Display panel includes: first display region and optical component installing region; and pixel units, the pixel units respectively correspond to virtual quadrilaterals, pixel unit includes one first sub-pixel and four second sub-pixels, first sub-pixel is located in virtual quadrilateral, and four second sub-pixels are respectively located at four vertexes of virtual quadrilateral; virtual quadrilateral includes first edge, second edge, third edge, and fourth edge, angle between third edge and fourth edge is first angle, and first angle is less than or equal to 90°; virtual quadrilaterals include first virtual quadrilateral in first display region and second virtual quadrilateral in optical component installing region, and first sub-pixel corresponding to the first virtual quadrilateral and first sub-pixel corresponding to second virtual quadrilateral have same color; and first angle θ1 of first virtual quadrilateral and first angle θ2 of second virtual quadrilateral satisfy θ2>θ1.

公开(公告)号：US12062325B2

公开(公告)日：2024-08-13

申请号：US17963847

申请日：2022-10-11

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

Inventor： Shuo Tang ,  Chuan Liu ,  Zhihua Yu

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0426 ,  G09G2300/0452 ,  G09G2310/0267 ,  G09G2320/0233

Abstract: A display panel and a display device are provided. The display panel includes pixel row groups, scanning driving circuits, first data lines and second data lines. One pixel row group includes first pixel rows and one pixel row includes a first pixel and a second pixel. A luminous efficiency of color light of the first pixel is lower than a luminous efficiency of color light of the second pixel. One scanning driving circuit includes a first sub scanning driving circuit and a second sub scanning driving circuit. In at least one image frame, a duration during which the first pixel is connected to the first data line for transmitting data voltage controlled by the first sub scanning driving circuit is larger than a duration during which the second pixel is connected to the second data line for transmitting data voltage controlled by the second sub scanning driving circuit.

公开(公告)号：US20240233648A9

公开(公告)日：2024-07-11

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：US12033578B1

公开(公告)日：2024-07-09

申请号：US18195621

申请日：2023-05-10

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

Inventor： Yue Li ,  Peng Zhang ,  Mengmeng Zhang ,  Xueqi Tian ,  Shuai Yang ,  Yana Gao ,  Gaojun Huang

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0842 ,  G09G2310/061 ,  G09G2320/0247

Abstract: A driving method of a display panel and a display panel are provided. Time for displaying one frame includes N times of first node potential adjustment stages, a data writing stage, and at least one first bias stress stage; the data writing stage is after the first node potential adjustment stage and before the first bias stress stage; the N times first node potential adjustment stage include N reset stages and N first adjustment voltage writing stages; and an i-th first voltage writing stage is after an i-th reset stage. In the reset stage, the first reset module is turned on to write a reset signal to the first node; in the first adjustment voltage writing phase, the first reset module is turned off, and the compensation module is turned on to write a first adjustment voltage into the first node to adjust the bias state of the driving transistor.

公开(公告)号：US12020636B2

公开(公告)日：2024-06-25

申请号：US18326545

申请日：2023-05-31

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

Inventor： Lin Zhang ,  Xian Chen

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0426 ,  G09G2320/0242

Abstract: A display panel including pixel circuits each including a drive transistor and a first reset transistor; first signal line including an indirect-connection signal line and a direct-connection signal line; connection signal lines, at least part of which is electrically connected to the indirect-connection signal lines; anodes; a pixel circuit group including two pixel circuits at least partially symmetric and adjacent, the first reset transistors of two pixel circuits being adjacent to each other, and adjacent first reset transistors being connected through a first semiconductor connection line, which is connected to the reset signal line; and pixel columns, two sides of the drive transistors in a pixel column being provided with two first signal lines and two second connection signal lines. At least part of the anodes overlaps with adjacent first signal lines and/or two adjacent second connection signal lines.

公开(公告)号：US20240194654A1

公开(公告)日：2024-06-13

申请号：US18582008

申请日：2024-02-20

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

Inventor： Linshan GUO

IPC: H01L25/075 ,  H01L27/12 ,  H01L33/50

CPC classification number: H01L25/0753 ,  H01L33/507 ,  H01L27/124

Abstract: The present disclosure provides a display panel and a display apparatus. The display panel includes a color filter unit. The color filter unit includes a first-color color filter unit and a second-color color filter unit, and the first-color color filter unit is located at a side of the second-color color filter unit adjacent to a substrate. The first-color color filter unit is a blue color filter. The blue color filter is disposed on the side of the second-color color filter unit adjacent to the substrate. Compared with the second-color color filter unit, the blue color filter is preferentially coated, exposed, developed, and ultraviolet cured. Then, in a subsequent process of making the display panel, when the second-color color filter unit is ultraviolet cured, secondary ultraviolet irradiation can be performed on the blue color filter formed in an early stage, which can enhance film adhesion of the blue color filter.

公开(公告)号：US20240177667A1

公开(公告)日：2024-05-30

申请号：US18109418

申请日：2023-02-14

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

Inventor： Di ZHANG ,  Dongxu XIANG

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0294 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2320/0242 ,  G09G2320/0626

Abstract: The present disclosure discloses a display panel, a driving circuit and a display device. The display panel includes a pixel circuit and a light-emitting element. A data writing cycle of the pixel circuit includes a data writing phase and m holding phases. In the data writing phase, the first scan signal includes at least one first valid pulse. A light emission control signal includes one second valid pulse in the data writing phase and in each holding phase. The working modes of the display panel includes a first mode. In the first mode, the interval between the start time of the first valid pulse in the (i+1)-th data writing cycle and the end time of the last second valid pulse in the i-th data writing cycle is t1, and in the data writing phase, the duration of the light emission control signal being an invalid pulse is t2,







t
⁢
1


t
⁢
2


≥

1
⁢
%


,

m
≥
1

,

i
≥
1

,




and m and i are integers.

公开(公告)号：US20240172502A1

公开(公告)日：2024-05-23

申请号：US18427045

申请日：2024-01-30

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

Inventor： Fei LI ,  Lilian KUANG

IPC: H10K59/131

CPC classification number: H10K59/131

Abstract: A display panel and an electronic apparatus are provided. The display panel includes a substrate, a first thin film transistor, a second thin film transistor, data lines data connecting lines, and pixel circuit groups. The first thin film transistor includes a silicon semiconductor pattern having a drain area, an active area and a source area, and a first gate. The second thin film transistor includes an oxide semiconductor pattern having a drain area, an active area and a source area, and a second gate. The data connecting lines transmit data signals to the data lines. Each pixel circuit group includes a first pixel circuit and a second pixel circuit that are at least partially symmetric with respect to an imaginary axis. The first data line and the second data line are arranged between the first pixel circuit and the second pixel circuit and are adjacent to each other.

公开(公告)号：US20240164159A1

公开(公告)日：2024-05-16

申请号：US18109447

申请日：2023-02-14

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

Inventor： Yufang MA

IPC: H10K59/131 ,  H10K77/10

CPC classification number: H10K59/131 ,  H10K77/111 ,  H10K2102/311

Abstract: A display panel and a display apparatus are provided in the present disclosure. The display panel includes a display region and a non-display region surrounding the display region. The non-display region includes a step region on a side of the display region; the step region includes a bending region, a first region between the bending region and the display region, and a second region on a side of the bending region away from the display region; and the second region includes a binding region. The display panel further includes an array substrate, including a flexible substrate and an array layer on the flexible substrate; a plurality of data lines in the array layer and the display region; a plurality of conductive soldering pads in the binding region; and a plurality of demultiplexing units in the second region and between the binding region and the bending region.