公开(公告)号：US12268070B2

公开(公告)日：2025-04-01

申请号：US18541225

申请日：2023-12-15

Applicant: WuHan TianMa Micro-electronics CO., LTD.

Inventor： Yangzhao Ma ,  Meihong Wang ,  Hao Dai ,  Pengcheng Mu ,  Lida Li

IPC: G09G3/32 ,  H10K59/131 ,  G09G3/3233

Abstract: A display panel and a display apparatus are provided. The display panel includes pixel circuits, light-emitting device electrically connected to the pixel circuits, signal lines electrically connected to the pixel circuits and including signal transmitting lines each extending along a first direction, and a first connection portion located in a circuit region and each extending along a second direction. At least one pixel circuit group is disposed in the circuit region, each pixel circuit group includes at least two pixel circuits of the pixel circuits, and the at least two pixel circuits are arranged along the second direction intersecting the first direction. The at least two pixel circuits in one of the at least one pixel circuit group are electrically connected to one of the signal transmitting lines through the first connection portion.

公开(公告)号：US12266293B2

公开(公告)日：2025-04-01

申请号：US18237588

申请日：2023-08-24

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

Inventor： Dian Zhang

IPC: G09G3/32

Abstract: A display panel and a display device are provided. The display panel includes first data lines located in a first area and connected to first sub-pixels in the first area; second data lines located in a second area and connected to second sub-pixels in the second area; transfer lines located in a display area and connected to the first data lines; and demultiplexers including N switches. Input terminals of the N switches of a same demultiplexer are connected. A first data line is connected to a demultiplexer through a transfer line. i first data lines and j second data lines are connected to output terminals of the N switches. For the same demultiplexer, light-emitting color of first sub-pixels connected to the i first data lines is same as light-emitting color of second sub-pixels connected to the j second data lines; and N≥2, and i+j=N.

公开(公告)号：US12256617B2

公开(公告)日：2025-03-18

申请号：US17356425

申请日：2021-06-23

Applicant: WuHan TianMa Micro-electronics CO., LTD.

Inventor： Ai Xiao

IPC: H10K59/35 ,  G09G3/3225 ,  H10K50/818 ,  H10K50/86

Abstract: A display panel includes a substrate, sub-pixels, and a black matrix. Each sub-pixel includes a pixel drive circuit and a light-emitting element. The light-emitting element includes an anode connected to M trace lead-out ends. At least portion of the trace lead-out end is electrically connected to pixel drive circuit through connection trace, M≥1. The black matrix has openings where the anode is exposed. The portion of the trace lead-out end exposed in the opening is a connection end. The sub-pixels include first and second sub-pixels having different light-emitting colors. In the first sub-pixel, M connection ends include at least one first connection end. In the second sub-pixel, M connection ends include at least one second connection end. Extension directions of first connection ends are parallel to extension direction of one second connection end, respectively. The first and second connection ends having parallel extension directions have similar profiles.

公开(公告)号：US12223890B2

公开(公告)日：2025-02-11

申请号：US18333652

申请日：2023-06-13

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

Inventor： Mingxia Xu

IPC: G09G3/32 ,  G09G3/3208

Abstract: A driving method and apparatus, an electronic device, and a storage medium, which ameliorate smearing when image switching are described. In an embodiment, a driving method for an organic light-emitting diode (OLED) display panel includes: correcting, if a current display brightness value of the OLED display panel is below a brightness threshold, grayscale data of an Nth frame to obtain corrected grayscale data of the Nth frame; obtaining a compensation value of an (N+1)th frame according to grayscale data of the (N+1)th frame and the corrected grayscale data of the Nth frame; performing compensation according to the compensation value of the (N+1)th frame and the grayscale data of the (N+1)th frame to obtain compensated grayscale data of the (N+1)th frame; and outputting the compensated grayscale data of the (N+1)th frame to the OLED display panel.

公开(公告)号：US12175941B2

公开(公告)日：2024-12-24

申请号：US18303116

申请日：2023-04-19

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

Inventor： Yojiro Matsueda ,  Masamichi Shimoda

IPC: G09G3/3275 ,  G09G3/00

Abstract: A display device determines a gray level for a first pixel based on video data, determines whether the first pixel is in a first deterioration mode or a second deterioration mode following the first deterioration mode based on a driving history of the first pixel, determines a data signal to be supplied to the first pixel based on the gray level and the driving history of the first pixel with reference to first adjustment information for the first deterioration mode in a case of determining that the first pixel is in the first deterioration mode, and determines a data signal to be supplied to the first pixel based on the gray level and the driving history of the first pixel with reference to second adjustment information for the second deterioration mode in a case of determining that the first pixel is in the second deterioration mode.

公开(公告)号：US20240397759A1

公开(公告)日：2024-11-28

申请号：US18029588

申请日：2022-04-21

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

Inventor： Lei WANG ,  Hao DAI ,  Meihong WANG ,  Yangzhao MA

IPC: H10K59/124 ,  H10K59/122 ,  H10K59/35

Abstract: Provided are a display panel and display device. The display panel includes an optical component area, where the optical component area includes a substrate, an insulating layer and a first electrode. The insulating layer includes a first insulating layer and a second insulating layer, the second insulating layer is located on a side of the first insulating layer facing away from the substrate, and the first insulating layer includes a first insulating sub-layer in contact with the second insulating layer. The first electrode is located on a side of the second insulating layer facing away from the substrate, and the first insulating sub-layer is provided with at least one first insulating opening. In the thickness direction of the display panel, the second insulating layer covers the at least one first insulating opening, and the first electrode and the at least one first insulating opening at least partially overlap.

公开(公告)号：US12144404B2

公开(公告)日：2024-11-19

申请号：US17204347

申请日：2021-03-17

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

Inventor： Xinming Li

IPC: A44C5/00

Abstract: The present disclosure provides a wristband and wristwatch. The wristband includes a wristband main body, configured to encircle on a wearing body, that the wristband main body includes a belt body and an inflatable bag arranged on the belt body, and a release structure is configured in a wall part of the wristband main body that surrounds the inflatable bag and the release structure communicates with an inner cavity of the inflatable bag, to release gas from the inflatable bag; and an inflating device, provided on the wristband main body, that the inflating device includes an inflating component and a driving component, the inflating component communicates with the inflatable bag, and the driving component is configured to move following a move of the wearing body and to drive the inflating component to inflate the inflatable bag.

公开(公告)号：US12133400B2

公开(公告)日：2024-10-29

申请号：US17384876

申请日：2021-07-26

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

Inventor： Keita Hamada ,  Hiromu Hanashima ,  Shigeru Mori

IPC: H10K50/11 ,  B60K35/60 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  B60K35/22 ,  H10K101/30 ,  H10K101/40 ,  H10K102/00

CPC classification number: H10K50/11 ,  B60K35/60 ,  H10K50/15 ,  H10K50/16 ,  H10K50/171 ,  B60K35/22 ,  B60K2360/1523 ,  H10K2101/30 ,  H10K2101/40 ,  H10K2102/351

Abstract: An organic light-emitting device includes an anode electrode and a cathode electrode that are arranged facing each other; a light-emitting layer arranged between the anode electrode and the cathode electrode; and a hole transport layer arranged between the anode electrode and the light-emitting layer, and including one or more layers. A layer, of the one or more layers of the hole transport layer, contacting the light-emitting layer has a HOMO energy level 12bH that is higher than a HOMO energy level 13H of the light-emitting layer. A difference ΔE1 between the HOMO energy level 12bH of the layer contacting the light-emitting layer of the hole transport layer and the HOMO energy level 13H of the light-emitting layer is 0.32 eV or less.

公开(公告)号：US20240346980A1

公开(公告)日：2024-10-17

申请号：US18214328

申请日：2023-06-26

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

Inventor： Yaolin Wang

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0842 ,  G09G2310/0267 ,  G09G2310/062 ,  G09G2320/0214 ,  G09G2320/0252

Abstract: A display panel and a display device are provided. The display panel includes a pixel driving circuit, a scan line, and a light-emitting control line connected to the pixel driving circuit. The pixel driving circuit includes a driving transistor, a first reset module, and a light-emitting element. An output terminal of the first reset module is connected to a gate of the driving transistor and an output terminal of the driving transistor is electrically connected to the light-emitting element. An input terminal of the first reset module is connected to the scan line or the light-emitting control line. A scan signal provided by the scan line or a light-emitting control signal provided by the light-emitting control line is multiplexed as a first reset signal provided by the reset module to the gate of the driving transistor.

公开(公告)号：US12112697B2

公开(公告)日：2024-10-08

申请号：US17946319

申请日：2022-09-16

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

Inventor： Mingxia Xu

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2320/0242 ,  G09G2320/0257 ,  G09G2360/16

Abstract: A display method includes obtaining input data of a first color sub-pixel in an N-th frame and in an (N−1)-th frame; looking up, in a first lookup table, predetermined input data of the first color sub-pixel in the N-th frame and a predetermined compensation value corresponding to the input data of the first color sub-pixel in the (N−1)-th frame; obtaining input data of a second color sub-pixel; looking up, in a second lookup table, a first impact factor of input data of the second color sub-pixel in the (N−1)-th frame to the predetermined input data; calculating an actual compensation value at least according to the predetermined compensation value and the first impact factor; calculating target input data of the first color sub-pixel in the N-th frame; and performing display, by the first color sub-pixel, according to the target input data.