公开(公告)号：US20250140188A1

公开(公告)日：2025-05-01

申请号：US18910882

申请日：2024-10-09

Applicant: LG Display Co., Ltd.

Inventor： Dong Kyu LEE ,  Seung Tae JIN ,  Guen Sik LEE

IPC: G09G3/3233 ,  G09G3/00

Abstract: The present disclosure relates to a display panel and a display device including the same, which include a first mode selection circuit that receives a first mode selection voltage through a first data line to select a first viewing angle as the viewing angle of one or more sub-pixels, and a second mode selection circuit that receives a second mode selection voltage through a second data line to select a second viewing angle as the viewing angle of one or more sub-pixels.

公开(公告)号：US20140320789A1

公开(公告)日：2014-10-30

申请号：US14139391

申请日：2013-12-23

Applicant: LG DISPLAY CO., LTD.

Inventor： Kyung Mo SON ,  Dong Kyu LEE ,  Eun Hye LEE

IPC: G02F1/1337 ,  G02F1/1339

CPC classification number: G02F1/1337 ,  G02F1/133345 ,  G02F1/1339 ,  G02F2001/133388 ,  G02F2201/50 ,  G02F2202/28 ,  Y10T156/10 ,  Y10T156/1056

Abstract: A liquid crystal display (LCD) device and a manufacturing method thereof are provided. An alignment layer and a seal pattern are formed to overlap to reduce a width of a bezel, and one or more alignment layer spreading preventing means are formed to prevent a degradation of adhesive strength between the seal pattern and a substrate due to the characteristics of the alignment layer.

Abstract translation: 提供一种液晶显示器（LCD）装置及其制造方法。 形成对准层和密封图案以重叠以减小边框的宽度，并且形成一个或多个取向层铺展防止装置，以防止密封图案和基板之间的粘合强度的降低，这是由于 对准层。

公开(公告)号：US20240212617A1

公开(公告)日：2024-06-27

申请号：US18532843

申请日：2023-12-07

Applicant: LG DISPLAY CO., LTD.

Inventor： Dong Kyu LEE ,  Seung Tae JIN

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2320/0233 ,  G09G2358/00 ,  G09G2380/10

Abstract: Disclosed is a pixel circuit. The pixel circuit includes: a capacitor coupled between a first node and a second node; a driving element connected to a first constant voltage node, the second node, and a third node; a light emitting element connected to a fourth node and a second constant voltage node; a first switch element; a second switch element; a third switch element connected between the fourth node and the second constant voltage node or between the fourth node and a fourth constant voltage node; a fourth switch element connected between the first node and a third constant voltage node; a fifth switch element connected between the second node and the third constant voltage node or between the first node and the second node; and a sixth switch element connected between the third node and the fourth node.

公开(公告)号：US20240221670A1

公开(公告)日：2024-07-04

申请号：US18535975

申请日：2023-12-11

Applicant: LG DISPLAY CO., LTD.

Inventor： Dong Kyu LEE ,  Geun Sik LEE

IPC: G09G3/3241 ,  H10K59/80

CPC classification number: G09G3/3241 ,  H10K59/879 ,  G09G2300/0814 ,  G09G2300/0842 ,  G09G2310/0286 ,  G09G2310/08 ,  G09G2320/068 ,  G09G2358/00 ,  G09G2380/10

Abstract: A pixel circuit, a display panel and a display device including the same according to an exemplary embodiment are disclosed. The pixel circuit according to the exemplary embodiment includes a first light-emitting element, a second light-emitting element, a driving element configured to generate a driving current of each of the first and second light-emitting elements, a first switch element connected between a gate electrode of the driving element and a power line through which a reference voltage is applied and turned on in response to a first gate signal, a second switch element connected between the driving element and the first light-emitting element and turned on in response to a second gate signal, and a third switch element connected between the driving element and the second light-emitting element and turned on in response to a third gate signal, wherein the first light-emitting element emits light at a first viewing angle, and the second light-emitting element emits light at a second viewing angle smaller than the first viewing angle.

公开(公告)号：US20240221661A1

公开(公告)日：2024-07-04

申请号：US18537656

申请日：2023-12-12

Applicant: LG DISPLAY CO., LTD.

Inventor： Dong Kyu LEE ,  Kyu Jin KIM

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/0262 ,  G09G2310/0286 ,  G09G2310/0297 ,  G09G2310/08 ,  G09G2320/028 ,  G09G2320/0686

Abstract: A display panel according to an embodiment and a display device including the same are disclosed. The display panel includes a plurality of pixel circuits each configured to selectively drive a first light-emitting element and a second light-emitting element, a shift register configured to output a mode control signal for driving each of the pixel circuits sharing a data line on a line basis according to a clock signal, an output circuit configured to output the mode control signal output from the shift register according to a line control signal, and a multiplexing switch unit configured to output a gate-on voltage and a gate-off voltage to the pixel circuits of a corresponding line on the basis of the mode control signal output from the output circuit.

公开(公告)号：US20240212576A1

公开(公告)日：2024-06-27

申请号：US18534387

申请日：2023-12-08

Applicant: LG DISPLAY CO., LTD.

Inventor： Dong Kyu LEE ,  Yong Won JO

IPC: G09G3/20 ,  G09G3/3233

CPC classification number: G09G3/2096 ,  G09G3/2007 ,  G09G3/3233 ,  G09G2300/0452 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/08 ,  G09G2320/0242 ,  G09G2320/028 ,  G09G2320/0673 ,  G09G2330/021

Abstract: The present disclosure relates to a display device. The display device includes: a first source driver IC configured to receive pixel data to be written into sub-pixels of a first display area and a gamma compensation voltage for each grayscale and output a data voltage to be supplied to data lines of the first display area; a second source driver IC configured to receive pixel data to be written into sub-pixels of a second display area and the gamma compensation voltage for each grayscale and output a data voltage to be supplied to data lines of the second display area; a first programmable gamma IC configured to supply a first gamma reference voltage set to the first and second source driver ICs; and a second programmable gamma IC configured to supply a second gamma reference voltage set to the first and second source driver ICs.

公开(公告)号：US20230386396A1

公开(公告)日：2023-11-30

申请号：US18231576

申请日：2023-08-08

Applicant: LG Display Co., Ltd.

Inventor： Dong Kyu LEE ,  Woo Kyu SANG ,  Hyoung Sik KIM

IPC: G09G3/32 ,  G09G3/3208 ,  G09G3/3233

CPC classification number: G09G3/32 ,  G09G3/3208 ,  G09G3/3233 ,  G09G2310/0251 ,  G09G2310/08 ,  G09G2300/0819 ,  G09G2330/028 ,  G09G3/3275

Abstract: An electroluminescent display device can include a light emitting element; and a pixel driving circuit for applying a driving current to the light emitting element, in which the pixel driving circuit includes a first transistor connected to the first, second and third nodes; a second transistor connected between the third node and the second node; a third transistor connected between the first node and a data line; a fourth transistor connected between the first node and a first driving voltage line; a fifth transistor connected between the second node and a fourth node; a seventh transistor connected between the fourth node and a reset voltage line, and a storage capacitor disposed between the first driving voltage line and the third node.

公开(公告)号：US20230137564A1

公开(公告)日：2023-05-04

申请号：US17956476

申请日：2022-09-29

Applicant: LG Display Co., Ltd.

Inventor： Dong Kyu LEE ,  Woo Kyu SANG ,  Hyoung Sik KIM

IPC: G09G3/32

Abstract: An electroluminescent display device can include a light-emitting element, a pixel drive circuit configured to apply a driving current to the light-emitting element, a power supply configured to provide a power voltage to the pixel drive circuit, a data drive circuit configured to provide a data voltage to the pixel drive circuit, and a gate drive circuit configured to provide a gate voltage to the pixel drive circuit. In addition, the pixel drive circuit includes a driving transistor of which a source electrode is connected to a first node, a drain electrode is connected to a second node, and a gate electrode is connected to a third node, an emission transistor connected between the driving transistor and the light-emitting element, and an initialization transistor connected to the second node.