公开(公告)号：US12052888B2

公开(公告)日：2024-07-30

申请号：US17141001

申请日：2021-01-04

Applicant: Samsung Display Co., Ltd.

Inventor： Youngjin Cho ,  Hyunwoong Kim ,  Joong-soo Moon ,  Seung-kyu Lee ,  Yangwan Kim

IPC: H10K59/126 ,  G09G3/3225 ,  G09G3/3266 ,  G09G3/3275 ,  H10K59/121 ,  H10K59/131

CPC classification number: H10K59/1213 ,  G09G3/3225 ,  G09G3/3266 ,  G09G3/3275 ,  H10K59/126 ,  H10K59/131

Abstract: Provided is pixel including a first transistor including a first drain region electrically connected to a light emitting diode, a first gate electrode, a first channel region overlapping the first gate electrode, and a first source region, a first sub-transistor including a first sub-gate electrode, a first sub-channel region overlapping the first sub-gate electrode, a first sub-drain region connected to the first gate electrode, and a first sub-source region, a second sub-transistor including a second sub-gate electrode, a second sub-channel region overlapping the second sub-gate electrode, a second sub-drain region connected to the first sub-source region, and a second sub-source region, and a shielding pattern overlapping the first sub-source region and the second sub-drain region and not overlapping the first sub-channel region, wherein a width of the first sub-channel region is greater than a width of the second sub-channel region.

公开(公告)号：US12051371B2

公开(公告)日：2024-07-30

申请号：US18066759

申请日：2022-12-15

Applicant: LG Display Co., Ltd.

Inventor： KwangSoo Kim ,  YongHo Kim ,  Jaesung Park

IPC: G09G3/3266 ,  G09G3/32

CPC classification number: G09G3/3266 ,  G09G3/32 ,  G09G2310/0267 ,  G09G2310/0291 ,  G09G2310/061

Abstract: According to embodiments of the disclosure, a gate driving circuit and a display device may include four buffer groups for driving 4k scan lines, two common logic units for controlling the four buffer groups, and a common sensing circuit controlling to output a sensing driving scan signal to at least one scan line among the 4k scan lines. Thus, it is possible to allow the gate driving circuit to have a low-area structure and to reduce the bezel area of the display device.

公开(公告)号：US12046203B2

公开(公告)日：2024-07-23

申请号：US18371540

申请日：2023-09-22

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Atsushi Umezaki

IPC: G09G3/3266 ,  G02F1/1362 ,  G09G3/34

CPC classification number: G09G3/3266 ,  G02F1/13624 ,  G02F1/136286 ,  G09G3/3413 ,  G09G2310/0286

Abstract: It is an object to decrease the number of transistors connected to a capacitor. In a structure, a capacitor and one transistor are included, one electrode of the capacitor is connected to a wiring, and the other electrode of the capacitor is connected to a gate of the transistor. Since a clock signal is input to the wiring, the clock signal is input to the gate of the transistor through the capacitor. Then, on/off of the transistor is controlled by a signal which synchronizes with the clock signal, so that a period when the transistor is on and a period when the transistor is off are repeated. In this manner, deterioration of the transistor can be suppressed.

公开(公告)号：US12046202B2

公开(公告)日：2024-07-23

申请号：US18143376

申请日：2023-05-04

Applicant: Samsung Display Co., Ltd.

Inventor： Sun Hee Lee ,  Hyang-A Park ,  Sunho Kim

IPC: G09G3/3266 ,  G06F3/041 ,  G06F3/044 ,  H10K59/40

CPC classification number: G09G3/3266 ,  G06F3/0412 ,  G06F3/04164 ,  G06F3/0446 ,  H10K59/40 ,  G06F2203/04111 ,  G06F2203/04112 ,  G09G2300/0452 ,  G09G2320/0242

Abstract: A display device includes: a display panel including an active area and a peripheral area adjacent to the active area and including a plurality of pixels overlapping the active area and a scan driving circuit overlapping a portion of each of the active area and the peripheral area. The scan driving circuit is configured to drive the plurality of pixels. A sensing sensor is disposed on the display panel and includes first sensing electrodes and second sensing electrodes overlapping the active area and insulated from each other and sensing lines connected to the first sensing electrodes and the second sensing electrodes. The plurality of pixels include: first pixels that do not overlap the scan driving circuit; and second pixels that overlap the scan driving circuit, wherein at least a portion of the sensing lines overlaps the scan driving circuit.

公开(公告)号：US12046196B2

公开(公告)日：2024-07-23

申请号：US17795539

申请日：2022-04-13

Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.

Inventor： Kaiyun Jiang ,  Yuan Wu

IPC: G09G3/3233 ,  G09G3/3266

CPC classification number: G09G3/3233 ,  G09G3/3266 ,  G09G2300/0842 ,  G09G2310/061 ,  G09G2320/0247 ,  G09G2330/021

Abstract: The present disclosure provides a display panel and a display device, including a plurality of control lines and pixel drive circuits electrically connected to the plurality of control lines to be loaded with a plurality of control signals, wherein a difference value between a maximum value and a minimum value of each of the plurality of control signals is determined as a voltage difference value, each of the plurality of pixel drive circuits includes a drive transistor and a light emitting element electrically connected to each other, and for at least one control signal of the plurality of control signals, the voltage difference value corresponding to a larger second refresh rate is different from the voltage difference value corresponding to the smaller first refresh rate in the display panel.

公开(公告)号：US20240242678A1

公开(公告)日：2024-07-18

申请号：US18411528

申请日：2024-01-12

Applicant: SEIKO EPSON CORPORATION

Inventor： Takumi KODAMA ,  Takeshi KOSHIHARA

IPC: G09G3/3266 ,  G09G3/32 ,  G09G3/3275

CPC classification number: G09G3/3266 ,  G09G3/32 ,  G09G3/3275 ,  G09G2310/0267 ,  G09G2310/0275

Abstract: A display device includes a scanning line, a first data line and a second data line, a first transistor circuit, a second transistor circuit, a first light emitting element including a first pixel electrode, and a second light emitting element including a second pixel electrode, wherein the first transistor circuit includes a first drive transistor and a first selection transistor, the second transistor circuit includes a second drive transistor and a second selection transistor, the first pixel electrode and the second pixel electrode are arranged in the second direction, the first transistor circuit and the second transistor circuit are arranged in the first direction, and a gate included in the first selection transistor and a gate included in the second selection transistor are electrically coupled to the scanning line.

公开(公告)号：US20240242677A1

公开(公告)日：2024-07-18

申请号：US18269704

申请日：2023-01-04

Applicant: HONOR DEVICE CO., LTD.

Inventor： Linhong HAN ,  Wanming WU ,  Di GENG ,  Ling LI ,  Zheng TIAN

IPC: G09G3/3266 ,  G09G3/3225 ,  G11C19/28

CPC classification number: G09G3/3266 ,  G09G3/3225 ,  G11C19/28 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/0286 ,  G09G2330/021

Abstract: This application provides a shift register, a gate drive circuit, a display panel, and an electronic device. The shift register includes a node control module, electrically connected to a first level signal receiving end, a second level signal receiving end, a first node, and a second node; an input module, electrically connected to a first clock signal end, a trigger signal input end, and the second node; an output module, electrically connected to the first level signal receiving end, the second level signal receiving end, the first node, a third node, and a drive signal output end; a first voltage stabilizing module, electrically connected to the first node, a fourth node, and the second level signal receiving end; and a second voltage stabilizing module, electrically connected to the second node, the third node, the fourth node, and a second clock signal end.

公开(公告)号：US20240242674A1

公开(公告)日：2024-07-18

申请号：US18621523

申请日：2024-03-29

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Wook YANG ,  Dong Gyu LEE ,  Jae Hyeon JEON

IPC: G09G3/3233 ,  G09G3/3266 ,  H01L27/12

CPC classification number: G09G3/3233 ,  G09G3/3266 ,  H01L27/1255 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2320/0233

Abstract: A display device is disclosed that includes a pixel. The pixel includes a first transistor connected between a second node and a third node and including a gate electrode connected to a first node. A first capacitor is formed between the first node and a fourth node. A second capacitor is formed between the fourth node and a first power line. A second transistor is connected between a data line and the fourth node. An eighth transistor is connected between the first power line and the second node. A ninth transistor is connected between the second node and a bias power line. A sixth transistor is connected between the third node and a fifth node. A light emitting element is electrically connected between the fifth node and a second power line. A gate electrode of the eighth transistor and a gate electrode of the sixth transistor are connected to different gate lines.

公开(公告)号：US12039942B2

公开(公告)日：2024-07-16

申请号：US17846765

申请日：2022-06-22

Applicant: LG DISPLAY CO., LTD.

Inventor： Kyu Jin Kim ,  Seung Taek Oh ,  Dong Gun Lee

IPC: G09G3/34 ,  G09G3/3233 ,  G09G3/3266

CPC classification number: G09G3/3406 ,  G09G3/3233 ,  G09G3/3266 ,  G09G2300/0452 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/08 ,  G09G2320/0626 ,  G09G2320/0686

Abstract: A display device can include a display panel to display an input image across a first subpixel region and a second subpixel region; a display panel driver to supply pixel data of the input image to subpixels of the display panel; a light source disposed under the display panel in an area overlapped by the second subpixel region; and a controller to drive the light source in an emission permitting section set within a non-driving period of a group of subpixels among the subpixels that are disposed in at least a portion of the second subpixel region.

公开(公告)号：US20240233651A1

公开(公告)日：2024-07-11

申请号：US18613731

申请日：2024-03-22

Applicant: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pengfei YU ,  Qiang ZHANG ,  Tinghua SHANG ,  Lu BAI ,  Jie DAI ,  Chenxing WAN ,  Haigang QING

IPC: G09G3/3266 ,  G11C19/28 ,  H01L21/77 ,  H01L27/12

CPC classification number: G09G3/3266 ,  G11C19/28 ,  G09G2230/00 ,  G09G2300/0408 ,  G09G2300/0426 ,  G09G2310/0286 ,  G09G2310/061 ,  H01L21/77 ,  H01L27/12

Abstract: A display substrate and a manufacturing method thereof, and a display device are provided. The display substrate includes a base substrate, and a shift register unit, a first clock signal line, and a second clock signal line in a peripheral region; a first portion and a second portion of a first connection wire of the display substrate are connected to a first gate electrode of a first control transistor of the shift register unit; an orthographic projection of the first portion on the base substrate is on a side of an orthographic projection of an active layer of the first control transistor on the base substrate away from a display region; and an orthographic projection of the second portion on the base substrate is on a side of the orthographic projection of the active layer of the first control transistor on the base substrate close to the display region.