公开(公告)号：US20240194147A1

公开(公告)日：2024-06-13

申请号：US18424537

申请日：2024-01-26

Applicant: LG Display Co., Ltd.

Inventor： Taehwi KIM

IPC: G09G3/3266

CPC classification number: G09G3/3266 ,  G09G2300/0852

Abstract: According to an aspect of the present disclosure, there is provided a gate driver and a display device. The display device includes: a display panel having a plurality of sub-pixels defined thereon, the sub-pixels being connected to a plurality of scan lines; and a gate driver comprising a plurality of stages for supplying first and second scan signals to each of the plurality of scan lines. Each of the plurality of stages may include: a first output unit for outputting the first scan signal; a second output unit for outputting the second scan signal; a logic unit connected to the first output unit and the second output unit; a low-clock signal line connected to the logic unit; and a high-clock signal line connected to the second output unit. Therefore, a first and a second scan signal can be output from a single stage, so that the structure of the gate driver can become simpler.

公开(公告)号：US20230206852A1

公开(公告)日：2023-06-29

申请号：US17966584

申请日：2022-10-14

Applicant: LG Display Co., Ltd.

Inventor： Taehwi KIM ,  Soonsung AHN

IPC: G09G3/3266

CPC classification number: G09G3/3266 ,  G09G2300/0852 ,  G09G2310/08

Abstract: A display device is disclosed by the present disclosure. The display device includes: a display panel having a plurality of sub-pixels, the sub-pixels being connected to a plurality of scan lines and a plurality of data lines; and a gate driver for supplying a scan signal at a high level to the plurality of scan lines. The gate driver may include: a first gate driver for outputting a carry signal at a low level; a second gate driver for outputting the scan signal at the high level based on the carry signal; a first clock signal line connected to the first and the second gate driver; and a second clock signal line connected to the first and the second gate driver. Accordingly, the gate driver can generate a high-level scan signal based on the low-level carry signal from the first gate driver.

公开(公告)号：US20230206853A1

公开(公告)日：2023-06-29

申请号：US17966625

申请日：2022-10-14

Applicant: LG Display Co., Ltd.

Inventor： Taehwi KIM

IPC: G09G3/3266

CPC classification number: G09G3/3266 ,  G09G2300/0852

Abstract: According to an aspect of the present disclosure, there is provided a gate driver and a display device. The display device includes: a display panel having a plurality of sub-pixels defined thereon, the sub-pixels being connected to a plurality of scan lines; and a gate driver comprising a plurality of stages for supplying first and second scan signals to each of the plurality of scan lines. Each of the plurality of stages may include: a first output unit for outputting the first scan signal; a second output unit for outputting the second scan signal; a logic unit connected to the first output unit and the second output unit; a low-clock signal line connected to the logic unit; and a high-clock signal line connected to the second output unit. Therefore, a first and a second scan signal can be output from a single stage, so that the structure of the gate driver can become simpler.

公开(公告)号：US20220198974A1

公开(公告)日：2022-06-23

申请号：US17550939

申请日：2021-12-14

Applicant: LG Display Co., Ltd.

Inventor： Taehwi KIM ,  ChungWan OH

IPC: G09G3/00 ,  G09G3/3266

Abstract: A display apparatus can include a display area including pixel rows, the display area having an outer periphery including a curved section and a straight section; a non-display area surrounding the display area, the non-display area having an outer periphery including a curved section and a straight section; a gate driver disposed in the non-display area, the gate driver including gate blocks corresponding to the pixel rows; and a low potential power line disposed between the gate driver and the outer periphery of the non-display area, in which each of the gate blocks includes a plurality of stages.

公开(公告)号：US20240292689A1

公开(公告)日：2024-08-29

申请号：US18441834

申请日：2024-02-14

Applicant: LG Display Co., Ltd.

Inventor： Soonsung AHN ,  SeHwan NA ,  Taehwi KIM ,  JinHo LIM ,  Jaesung KIM

IPC: H10K59/131 ,  H10K59/121

CPC classification number: H10K59/131 ,  H10K59/1213

Abstract: A display device and a display panel are discussed. In one example, the display device includes a data driving circuit to supply a plurality of data voltages to a plurality of data lines, wherein the plurality of data lines comprise first data lines and second data lines; a gate driving circuit to supply a plurality of gate signals to a plurality of gate lines; and a display panel having the first data lines disposed in a first area corresponding to the data driving circuit, and the second data lines disposed in a second area located outside of the first area. Further, the display panel can include first data link lines for connecting the first data lines to the data driving circuit, and second data link lines with connecting paths arranged in a stepped line configuration for connecting the second data lines to the data driving circuit.

公开(公告)号：US20230209897A1

公开(公告)日：2023-06-29

申请号：US17975973

申请日：2022-10-28

Applicant: LG Display Co., Ltd.

Inventor： Taehwi KIM ,  Jungchul KIM ,  Sohyun KIM

IPC: H01L27/32 ,  H01L27/12 ,  H01L29/786

CPC classification number: H01L27/3262 ,  H01L27/1225 ,  H01L29/7869 ,  H01L29/78672

Abstract: Disclosed is a display panel including: a substrate divided into a first area and a second area positioned outside the first area; a buffer layer disposed in the first area and the second area and disposed on the substrate; a first thin-film transistor including a polycrystalline semiconductor layer disposed in the first area and disposed on the buffer layer, and a first gate electrode disposed on the polycrystalline semiconductor layer; a second thin-film transistor including an oxide semiconductor layer disposed in the first area and disposed on the buffer layer, and a second gate electrode disposed on the oxide semiconductor layer; a first intermediate insulating layer disposed between the first area and the second area and interposed between the first thin-film transistor and the second thin-film transistor; a first contact hole passing through the first intermediate insulating layer on the polycrystalline semiconductor layer; and a second contact hole passing through the first intermediate insulating layer in the second area.

公开(公告)号：US20190189075A1

公开(公告)日：2019-06-20

申请号：US15894064

申请日：2018-02-12

Applicant: LG Display Co., Ltd.

Inventor： Taehwi KIM

IPC: G09G3/36 ,  H01L27/12 ,  H01L23/60 ,  G02F1/1345 ,  G02F1/1362

CPC classification number: G09G3/3677 ,  G02F1/13454 ,  G02F1/136204 ,  G02F1/136286 ,  G02F2001/133388 ,  G09G2300/0426 ,  G09G2330/04 ,  H01L23/60 ,  H01L27/1244

Abstract: A display apparatus includes a substrate having a display area for displaying an image and a non-display area surrounding the display area; a first clock line portion in the non-display area, the first clock line portion having a plurality of gate shift clock lines; a second clock line portion in the non-display area between the first clock line portion and the display area, the second clock line portion having a gate start signal line; and a gate driving built-in circuit in the non-display area between the first clock line portion and the second clock line portion, and connected with the plurality of gate shift clock lines and the gate start signal line.

公开(公告)号：US20240260352A1

公开(公告)日：2024-08-01

申请号：US18426918

申请日：2024-01-30

Applicant: LG DISPLAY CO., LTD.

Inventor： Taehwi KIM ,  Jaesung KIM

IPC: H10K59/131

CPC classification number: H10K59/131

Abstract: A display device includes a display panel including an active area in which a plurality of pixels is disposed and a non-active area disposed to enclose the active area, a plurality of low potential auxiliary lines disposed in the active area, a plurality of low potential power lines which is connected to the plurality of low potential auxiliary lines and is disposed in the non-active area of the display panel, a plurality of data lines disposed in the active area and a plurality of data link lines which is disposed in the active area and transmits a data voltage to the plurality of data lines.

公开(公告)号：US20240177677A1

公开(公告)日：2024-05-30

申请号：US18433102

申请日：2024-02-05

Applicant: LG Display Co., Ltd.

Inventor： Taehwi KIM ,  Soonsung AHN

IPC: G09G3/3266

CPC classification number: G09G3/3266 ,  G09G2300/0852 ,  G09G2310/08

Abstract: A display device is disclosed by the present disclosure. The display device includes: a display panel having a plurality of sub-pixels, the sub-pixels being connected to a plurality of scan lines and a plurality of data lines; and a gate driver for supplying a scan signal at a high level to the plurality of scan lines. The gate driver may include: a first gate driver for outputting a carry signal at a low level; a second gate driver for outputting the scan signal at the high level based on the carry signal; a first clock signal line connected to the first and the second gate driver; and a second clock signal line connected to the first and the second gate driver. Accordingly, the gate driver can generate a high-level scan signal based on the low-level carry signal from the first gate driver.

公开(公告)号：US20230329056A1

公开(公告)日：2023-10-12

申请号：US18323332

申请日：2023-05-24

Applicant: LG Display Co., LTD.

Inventor： Taehwi KIM ,  HyunSeok HONG ,  MinJi KANG

IPC: H10K59/131 ,  H10K50/84

CPC classification number: H10K59/131 ,  H10K50/841

Abstract: Provided is an organic light emitting display device. The organic light emitting display device includes a substrate including an active area and an inactive area at least partially surrounding the active area, an organic light emitting element in the active area, and a conductive line disposed to have a vertically uneven shape in the inactive area and provided to transmit power to the organic light emitting element. The conductive line covers an area including at least one or more grooves in which an inorganic layer is dug.