公开(公告)号：US12048188B2

公开(公告)日：2024-07-23

申请号：US17527744

申请日：2021-11-16

Applicant: LG Display Co., Ltd.

Inventor： Insu Hwang ,  Jeongha Shin ,  Jaehyuk Lee ,  HyeongWook Jang ,  SinWoo Lee ,  Juyeon Won

IPC: H10K50/844 ,  H10K59/18 ,  H10K71/00

CPC classification number: H10K50/844 ,  H10K59/18 ,  H10K71/00

Abstract: A light emitting display apparatus includes a substrate, a passivation layer disposed over the substrate, a light emitting device layer including a light emitting layer disposed over the passivation layer, a non-emission pattern portion including a light emitting material pattern disposed over the passivation layer at a periphery portion of the substrate and electrically isolated from the light emitting layer, and an encapsulation layer disposed over the light emitting device layer and the non-emission pattern portion. The encapsulation layer may wholly surround the non-emission pattern portion and seals an interface between the non-emission pattern portion and the passivation layer.

公开(公告)号：US12262612B2

公开(公告)日：2025-03-25

申请号：US17564923

申请日：2021-12-29

Applicant: LG Display Co., Ltd.

Inventor： Minjae Shin ,  Insu Hwang

IPC: H10K59/35 ,  H10K59/18

Abstract: A light emitting display apparatus includes a plurality of pixels arranged along a first direction and a second direction different from the first direction over a first substrate, a circuit layer including a pixel common voltage line in parallel with the second direction and disposed between the plurality of pixels along the first direction, a light emitting device layer including a self-emitting device disposed over the circuit layer and a common electrode disposed over the self-emitting device, a common electrode connection portion electrically coupling the pixel common voltage line to the common electrode, and an inner isolation portion surrounding the common electrode connection portion and isolating the self-emitting device disposed over the inner isolation portion.

公开(公告)号：US12249286B2

公开(公告)日：2025-03-11

申请号：US18543637

申请日：2023-12-18

Applicant: LG Display Co., Ltd.

Inventor： Insu Hwang ,  DongYoon Lee ,  Kimin Son

IPC: G09G3/3258 ,  H10K59/131

Abstract: A display device is disclosed. The display device comprises: a driving transistor drives a light emitting element; a scanning transistor connected between a first node of the driving transistor and a data line; and a sensing transistor connected between a second node of the driving transistor and a reference voltage line, wherein a period of time during which a characteristic value of the sensing transistor is sensed includes a voltage control period, a voltage tracking period, and a sampling period, and during the voltage control period, a first sensing voltage is supplied to the data line, a second sensing voltage is supplied to a third node of the driving transistor, a third sensing voltage is supplied to gate nodes of the scanning transistor and the sensing transistor, and a fourth sensing voltage is supplied to the reference voltage line. Accordingly, changes of characteristic values of the sensing transistor are sensed.

公开(公告)号：US12118949B2

公开(公告)日：2024-10-15

申请号：US17973288

申请日：2022-10-25

Applicant: LG DISPLAY CO., LTD.

Inventor： Daeyoung Seo ,  Insu Hwang ,  Hyunsuk Lee

IPC: G09G3/3291 ,  G09G3/20 ,  G09G3/3225 ,  G09G3/3233

CPC classification number: G09G3/3291 ,  G09G3/2096 ,  G09G3/3225 ,  G09G3/3233 ,  G09G2300/0842 ,  G09G2310/08 ,  G09G2320/029 ,  G09G2320/0295 ,  G09G2320/0666 ,  G09G2330/021

Abstract: Embodiments of the disclosure relate to a display panel, a display device, and a display driving method. Specifically, there may be provided a display panel including a plurality of pixels arranged in a matrix form, each of the plurality of pixels including N subpixels arranged in a first direction and having different colors, wherein N is 3 or 4 and a plurality of sensing lines disposed in a second direction between the plurality of pixels and configured to sense characteristic values for a plurality of subpixels electrically connected thereto, wherein the N subpixels are disposed so that subpixels of a same color are symmetrical with respect to the sensing line.

公开(公告)号：US20240224628A1

公开(公告)日：2024-07-04

申请号：US18480912

申请日：2023-10-04

Applicant: LG Display Co., Ltd.

Inventor： Insu Hwang ,  Dongik Kim ,  Soyoung Lee

IPC: H10K59/126

CPC classification number: H10K59/126

Abstract: A display device in one example includes an emitting area located in an active area, a non-emitting area located in the active area, a metal layer located in the non-emitting area, an active layer located in the non-emitting area, a light shield located in the non-emitting area, and a low reflective layer located in the non-emitting area so that at least a portion of the low reflective layer overlaps the light shield. Thus, the display device has a low reflectivity, and it is possible to prevent degradations in the display quality due to parasitic capacitance.

公开(公告)号：US20240221673A1

公开(公告)日：2024-07-04

申请号：US18543637

申请日：2023-12-18

Applicant: LG Display Co., Ltd.

Inventor： Insu Hwang ,  DongYoon Lee ,  Kimin Son

IPC: G09G3/3258 ,  H10K59/131

CPC classification number: G09G3/3258 ,  H10K59/131 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2330/021

Abstract: A display device is disclosed. The display device comprises: a driving transistor drives a light emitting element; a scanning transistor connected between a first node of the driving transistor and a data line; and a sensing transistor connected between a second node of the driving transistor and a reference voltage line, wherein a period of time during which a characteristic value of the sensing transistor is sensed includes a voltage control period, a voltage tracking period, and a sampling period, and during the voltage control period, a first sensing voltage is supplied to the data line, a second sensing voltage is supplied to a third node of the driving transistor, a third sensing voltage is supplied to gate nodes of the scanning transistor and the sensing transistor, and a fourth sensing voltage is supplied to the reference voltage line. Accordingly, changes of characteristic values of the sensing transistor are sensed.

公开(公告)号：US20220208952A1

公开(公告)日：2022-06-30

申请号：US17564923

申请日：2021-12-29

Applicant: LG Display Co., Ltd.

Inventor： Minjae Shin ,  Insu Hwang

IPC: H01L27/32

Abstract: A light emitting display apparatus includes a plurality of pixels arranged along a first direction and a second direction different from the first direction over a first substrate, a circuit layer including a pixel common voltage line in parallel with the second direction and disposed between the plurality of pixels along the first direction, a light emitting device layer including a self-emitting device disposed over the circuit layer and a common electrode disposed over the self-emitting device, a common electrode connection portion electrically coupling the pixel common voltage line to the common electrode, and an inner isolation portion surrounding the common electrode connection portion and isolating the self-emitting device disposed over the inner isolation portion.