公开(公告)号：US11881179B2

公开(公告)日：2024-01-23

申请号：US17994616

申请日：2022-11-28

Applicant: LG Display Co., Ltd.

Inventor： Ri Yu ,  Myoungjae Kang ,  Bonghwan Kim ,  Unseon Lee

IPC: G09G3/3275 ,  G09G3/3266

CPC classification number: G09G3/3275 ,  G09G3/3266 ,  G09G2310/0289 ,  G09G2310/08 ,  G09G2320/041 ,  G09G2330/021 ,  G09G2330/04

Abstract: A display apparatus may include a first drive circuit configured to output a driving signal, the driving signal including a first period during which the driving signal has a first value, a second period during which the driving signal has a second value different from the first value, and a third period during which the driving signal has a third value between the first value and the second value; a second drive circuit configured to receive the driving signal and generate a gate signal based on the driving signal; and a display panel including a light emitting device that is configured to emit light based on the gate signal, wherein a length of at least one of the first period, the second period, or the third period is adjustable based on a temperature associated with the display apparatus.

公开(公告)号：US11847971B2

公开(公告)日：2023-12-19

申请号：US17743147

申请日：2022-05-12

Applicant: LG Display Co., Ltd.

Inventor： Ri Yu ,  SangHyun Lim ,  Myoungjae Kang ,  Bonghwan Kim

IPC: G09G3/3258 ,  G09G3/3291

CPC classification number: G09G3/3258 ,  G09G3/3291 ,  G09G2310/027 ,  G09G2310/0291 ,  G09G2310/08

Abstract: Embodiments of the present disclosure relate to a display device, comprising: a display panel in which a plurality of driving voltage feedback lines branched from a driving voltage line for supplying a driving voltage to a plurality of subpixels are disposed; a driving circuit for supplying a data voltage to the plurality of subpixels and determining a deviation of a feedback driving voltage detected through the plurality of driving voltage feedback lines; and a timing controller for compensating for image data depending on positions at which the plurality of driving voltage feedback lines are branched in the display panel based on the deviation of the feedback driving voltage, and supplying a compensated image data to the driving circuit.

公开(公告)号：US12131707B2

公开(公告)日：2024-10-29

申请号：US18535506

申请日：2023-12-11

Applicant: LG Display Co., Ltd.

Inventor： Ri Yu ,  Myoungjae Kang ,  Bonghwan Kim ,  Unseon Lee

IPC: G09G3/3275 ,  G09G3/3266

CPC classification number: G09G3/3275 ,  G09G3/3266 ,  G09G2310/0289 ,  G09G2310/08 ,  G09G2320/041 ,  G09G2330/021 ,  G09G2330/04

Abstract: A display apparatus may include a first drive circuit configured to output a driving signal, the driving signal including a first period during which the driving signal has a first value, a second period during which the driving signal has a second value different from the first value, and a third period during which the driving signal has a third value between the first value and the second value; a second drive circuit configured to receive the driving signal and generate a gate signal based on the driving signal; and a display panel including a light emitting device that is configured to emit light based on the gate signal, wherein a length of at least one of the first period, the second period, or the third period is adjustable based on a temperature associated with the display apparatus.

公开(公告)号：US20230074067A1

公开(公告)日：2023-03-09

申请号：US17743147

申请日：2022-05-12

Applicant: LG Display Co., Ltd.

Inventor： Ri Yu ,  SangHyun Lim ,  Myoungjae Kang ,  Bonghwan Kim

IPC: G09G3/3258 ,  G09G3/3291

Abstract: Embodiments of the present disclosure relate to a display device, comprising: a display panel in which a plurality of driving voltage feedback lines branched from a driving voltage line for supplying a driving voltage to a plurality of subpixels are disposed; a driving circuit for supplying a data voltage to the plurality of subpixels and determining a deviation of a feedback driving voltage detected through the plurality of driving voltage feedback lines; and a timing controller for compensating for image data depending on positions at which the plurality of driving voltage feedback lines are branched in the display panel based on the deviation of the feedback driving voltage, and supplying a compensated image data to the driving circuit.

公开(公告)号：US20240112641A1

公开(公告)日：2024-04-04

申请号：US18535506

申请日：2023-12-11

Applicant: LG Display Co., Ltd.

Inventor： Ri Yu ,  Myoungjae Kang ,  Bonghwan Kim ,  Unseon Lee

IPC: G09G3/3275 ,  G09G3/3266

CPC classification number: G09G3/3275 ,  G09G3/3266 ,  G09G2310/0289 ,  G09G2310/08 ,  G09G2320/041 ,  G09G2330/021 ,  G09G2330/04

Abstract: A display apparatus may include a first drive circuit configured to output a driving signal, the driving signal including a first period during which the driving signal has a first value, a second period during which the driving signal has a second value different from the first value, and a third period during which the driving signal has a third value between the first value and the second value; a second drive circuit configured to receive the driving signal and generate a gate signal based on the driving signal; and a display panel including a light emitting device that is configured to emit light based on the gate signal, wherein a length of at least one of the first period, the second period, or the third period is adjustable based on a temperature associated with the display apparatus.

公开(公告)号：US20230186861A1

公开(公告)日：2023-06-15

申请号：US17994616

申请日：2022-11-28

Applicant: LG Display Co., Ltd.

Inventor： Ri Yu ,  Myoungjae Kang ,  Bonghwan Kim ,  Unseon Lee

IPC: G09G3/3275 ,  G09G3/3266

CPC classification number: G09G3/3275 ,  G09G3/3266 ,  G09G2310/08 ,  G09G2310/0289 ,  G09G2330/021 ,  G09G2330/04 ,  G09G2320/041

Abstract: A display apparatus may include a first drive circuit configured to output a driving signal, the driving signal including a first period during which the driving signal has a first value, a second period during which the driving signal has a second value different from the first value, and a third period during which the driving signal has a third value between the first value and the second value; a second drive circuit configured to receive the driving signal and generate a gate signal based on the driving signal; and a display panel including a light emitting device that is configured to emit light based on the gate signal, wherein a length of at least one of the first period, the second period, or the third period is adjustable based on a temperature associated with the display apparatus.

公开(公告)号：US10672698B2

公开(公告)日：2020-06-02

申请号：US16215331

申请日：2018-12-10

Applicant: LG Display Co., Ltd.

Inventor： Daekyung Kim ,  Wansik Lim ,  Jaesung Jeon ,  Ri Yu ,  Cheolho Lee ,  Joohye Kang

IPC: H01L23/498 ,  H01L23/31 ,  H01L23/00 ,  G02F1/1345 ,  H05K1/00 ,  H05K1/14

Abstract: A chip on film according to the present disclosure includes a base film, a plurality of signal wirings on an upper surface and a lower surface of the base film to transmit a signal in two signal paths, a driving unit on one surface of the upper surface and the lower surface of the base film, a first pad and a second pad on one surface of the upper surface and the lower surface of the base film, and a plurality of through holes between the first pad and the second pad and electrically connect to the signal wiring.