公开(公告)号：US20220208097A1

公开(公告)日：2022-06-30

申请号：US17546574

申请日：2021-12-09

Applicant: LG DISPLAY CO., LTD.

Inventor： HyunHaeng Lee

IPC: G09G3/3233 ,  G09G3/20

Abstract: In a display device and display panel, a display panel includes: a plurality of pixels arranged in a matrix, each including two white subpixels and a plurality of colored subpixels, and a data pad connecting two adjacent colored subpixels, among the plurality of colored subpixels, corresponding to a same color, in a first direction, wherein luminance data is applied to the white subpixel, wherein each of the plurality of colored subpixels includes a dual subpixel having a size of the two white subpixels arranged in a second direction, the dual subpixel including a plurality of transistors, wherein a first transistor in the dual subpixel is connected to a first signal line extending through a first of the two white subpixels, and wherein a second transistor in the dual subpixel, is connected to a second signal line extending through a second of the two white subpixels.

公开(公告)号：US20240260354A1

公开(公告)日：2024-08-01

申请号：US18467286

申请日：2023-09-14

Applicant: LG DISPLAY CO., LTD.

Inventor： EunJi Joo ,  HyunHaeng Lee ,  Kiwoong Song ,  HuSik Yoon

IPC: H10K59/131

CPC classification number: H10K59/131

Abstract: A display panel and a display device. Specifically, there may be provided a display panel and a display device, capable of preventing a reduction in opening area by at least one active pattern disposed in a portion of at least one emission area among the plurality of emission areas and disposed in a portion of the non-emission area, wherein the active pattern includes at least one cutting line in an area corresponding to the emission area, and wherein the active pattern is electrically connected to one of the plurality of signal lines and is electrically connected to at least one transistor disposed in the on-emission area surrounding the emission area where the active pattern is disposed.

公开(公告)号：US11910652B2

公开(公告)日：2024-02-20

申请号：US17532417

申请日：2021-11-22

Applicant: LG Display Co., Ltd.

Inventor： Younghee Lee ,  HyunHaeng Lee

IPC: H01L27/14 ,  H10K59/121 ,  H10K59/123 ,  H01L29/786 ,  H01L27/12

CPC classification number: H10K59/1216 ,  H10K59/123 ,  H10K59/1213 ,  H01L27/1225 ,  H01L27/1255 ,  H01L29/7869

Abstract: The disclosure relates to an organic light emitting display panel and an organic light emitting display device including the display panel. Specifically, the organic light emitting display panel includes a buffer layer on a first conductive layer, an active layer on or over the buffer layer, a first insulating film on or over the active layer and overlapping a part of an upper surface of the active layer, a second insulating film on or over the first insulating film and including a first contact hole exposing the part of the upper surface of the active layer, an electrode of an organic light emitting element contacting the active layer through the first and second contact holes, wherein an area in which the active layer and a second conductive layer contact is included in a node at which a reference voltage is applied to a driving transistor.

公开(公告)号：US20240057401A1

公开(公告)日：2024-02-15

申请号：US18229392

申请日：2023-08-02

Applicant: LG Display Co., Ltd.

Inventor： HuSik Yoon ,  HyunHaeng Lee

IPC: H10K59/124 ,  H10K59/131

CPC classification number: H10K59/124 ,  H10K59/131

Abstract: A disclosed display apparatus may include a substrate having a light emission area, including a pixel, and a non-light emission area in a periphery of the light emission area; a plurality of split lines spaced apart from each other in the non-light emission area, the split lines being configured to provide a signal for driving the pixel; a planarization layer in the non-light emission area and overlapping with a portion of each of the split lines; and a connection electrode covering the planarization layer in the non-light emission area and connecting the split lines to each other. The planarization layer may include a central area and an edge area in a periphery of the central area, the central area having a different thickness from the edge area.

公开(公告)号：US11783784B2

公开(公告)日：2023-10-10

申请号：US17514242

申请日：2021-10-29

Applicant: LG DISPLAY CO., LTD

Inventor： HyunHaeng Lee

IPC: G09G3/3291 ,  G09G3/3266

CPC classification number: G09G3/3291 ,  G09G3/3266 ,  G09G2310/0278 ,  G09G2310/0286 ,  G09G2310/0291 ,  G09G2310/061 ,  G09G2310/08

Abstract: A display device, a driving circuit and a driving method with an improved image quality in a sensing process for a characteristic value. In addition, aspects of the present disclosure relate a display device, a driving circuit and a driving method capable of diminishing luminance non-uniformity occurring in a sensing process by sensing a characteristic value for each signal line with the same luminance.

公开(公告)号：US12108630B2

公开(公告)日：2024-10-01

申请号：US17538100

申请日：2021-11-30

Applicant: LG DISPLAY CO., LTD.

Inventor： HyunHaeng Lee ,  Kiwoong Song

IPC: H10K59/121 ,  G09G3/3233

CPC classification number: H10K59/1216 ,  G09G3/3233 ,  H10K59/1213 ,  G09G2300/0408 ,  G09G2300/0426 ,  G09G2300/0465 ,  G09G2300/0842 ,  G09G2310/08

Abstract: Embodiments of the present disclosure are related to a display device, as arranging a storage capacitor and an active pattern disposed on a subpixel by using an active layer that a semiconductor layer and a conductive layer are laminated, an area of the storage capacitor can be increased efficiently and methods can be provided to use an area overlapped with a contact-hole located on the active pattern as an area of the storage capacitor. Furthermore, as a location of the contact-hole is adjusted easily, by making the contact-hole not to be disposed on an area adjacent to a driving transistor, a size of the driving transistor can be increased and an aperture ratio of the subpixel can be improved.

公开(公告)号：US11864429B2

公开(公告)日：2024-01-02

申请号：US17536144

申请日：2021-11-29

Applicant: LG DISPLAY CO., LTD.

Inventor： Younghee Lee ,  HyunHaeng Lee ,  HyoBin Choi

IPC: H01L29/08 ,  H10K59/123 ,  H10K59/121 ,  G09G3/3266 ,  G09G3/3275 ,  H01L29/786 ,  G09G3/3233 ,  H01L27/12

CPC classification number: H10K59/123 ,  H10K59/1213 ,  H10K59/1216 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  G09G2300/0426 ,  G09G2300/0842 ,  G09G2310/08 ,  H01L27/1225 ,  H01L27/1255 ,  H01L29/7869

Abstract: A display panel of an organic light emitting display device includes a buffer layer disposed on a first conductive layer, and including a first contact hole, an active layer disposed on the buffer layer, and including an active pattern and a conductive pattern disposed on the active pattern, a first insulating film disposed on or over the active layer and the buffer layer, and including a second contact hole overlapping with the first contact hole, a second conductive layer disposed on the first insulating film, and contacting the first conductive layer through the first contact hole and the second contact hole, a plate disposed in the same layer as the second conductive layer, and spaced apart from the second conductive layer, and each of the first conductive layer, the active layer, and the plate serves as an electrode of a storage capacitor, thereby implementing a high-capacity storage capacitor for the display panel.

公开(公告)号：US11436982B2

公开(公告)日：2022-09-06

申请号：US16529683

申请日：2019-08-01

Applicant: LG DISPLAY CO., LTD.

Inventor： JiHyun Kang ,  HyunHaeng Lee

IPC: G09G3/3291 ,  G09G3/3283 ,  G09G3/3275 ,  G09G3/3266

Abstract: Various embodiments provide a data driver circuit, a controller, a display device, and a method of driving the same. Overlap driving of overlapping subpixels and fake data insertion driving of inserting a fake image, different from real images, into each of a plurality of lines are performed in a combined manner. Image quality is improved, despite of combined driving.

公开(公告)号：US11705065B2

公开(公告)日：2023-07-18

申请号：US17546574

申请日：2021-12-09

Applicant: LG DISPLAY CO., LTD.

Inventor： HyunHaeng Lee

IPC: G09G3/3233 ,  G09G3/20

CPC classification number: G09G3/3233 ,  G09G3/2003 ,  G09G2300/0443 ,  G09G2300/0452 ,  G09G2300/0465 ,  G09G2300/0842 ,  G09G2310/08 ,  G09G2320/0242

Abstract: In a display device and display panel, a display panel includes: a plurality of pixels arranged in a matrix, each including two white subpixels and a plurality of colored subpixels, and a data pad connecting two adjacent colored subpixels, among the plurality of colored subpixels, corresponding to a same color, in a first direction, wherein luminance data is applied to the white subpixel, wherein each of the plurality of colored subpixels includes a dual subpixel having a size of the two white subpixels arranged in a second direction, the dual subpixel including a plurality of transistors, wherein a first transistor in the dual subpixel is connected to a first signal line extending through a first of the two white subpixels, and wherein a second transistor in the dual subpixel, is connected to a second signal line extending through a second of the two white subpixels.

公开(公告)号：US20220208921A1

公开(公告)日：2022-06-30

申请号：US17532417

申请日：2021-11-22

Applicant: LG Display Co., Ltd.

Inventor： Younghee Lee ,  HyunHaeng Lee

IPC: H01L27/32

Abstract: The disclosure relates to an organic light emitting display panel and an organic light emitting display device including the display panel. Specifically, the organic light emitting display panel includes a buffer layer on a first conductive layer, an active layer on or over the buffer layer, a first insulating film on or over the active layer and overlapping a part of an upper surface of the active layer, a second insulating film on or over the first insulating film and including a first contact hole exposing the part of the upper surface of the active layer, an electrode of an organic light emitting element contacting the active layer through the first and second contact holes, wherein an area in which the active layer and a second conductive layer contact is included in a node at which a reference voltage is applied to a driving transistor.