公开(公告)号：US20230209873A1

公开(公告)日：2023-06-29

申请号：US18083233

申请日：2022-12-16

Applicant: LG Display Co., Ltd.

Inventor： Geumyoung LEE ,  JeongOh KIM ,  MyungJae YOO ,  SeongHo KANG

IPC: H10K50/84 ,  H10K59/122

CPC classification number: H01L51/5259 ,  H01L27/3246

Abstract: According to an exemplary embodiment of the present disclosure, a light emitting display device includes a transistor disposed on a substrate, a planarization layer disposed on the transistor, a light emitting diode disposed on the planarization layer, a bank layer disposed in a non-emitting area so as to define an emitting area of the light emitting diode, a hydrogen trapping layer disposed in the non-emitting area, and an encapsulation layer disposed on the bank layer and the hydrogen trapping layer.

公开(公告)号：US20230209908A1

公开(公告)日：2023-06-29

申请号：US18059942

申请日：2022-11-29

Applicant: LG Display Co., Ltd.

Inventor： SeongHo KANG ,  JeongOh KIM ,  MyungJae YOO ,  Geumyoung LEE

IPC: H01L51/00

CPC classification number: H01L27/3246

Abstract: The present disclosure relates to a display device, according to an aspect of the present disclosure, the display area includes a substrate which includes a plurality of sub pixels disposed in the display area and each including an emission area and a non-emission area; a thin film transistor disposed on the substrate; a planarization layer which is disposed on the thin film transistor and includes a plurality of grooves overlapping at least a part of the non-emission area; an anode which overlaps an emission area and is disposed on the planarization layer; a bank which is disposed on the planarization layer so as to expose at least a part of the anode and encloses the emission area of each of the plurality of sub pixels; an organic light emitting layer disposed on the anode; and a cathode disposed on the organic light emitting layer, and the bank includes a plurality of concave portion formed so as to overlap the plurality of grooves of the planarization layer.

公开(公告)号：US20230209973A1

公开(公告)日：2023-06-29

申请号：US18090226

申请日：2022-12-28

Applicant: LG Display Co., Ltd.

Inventor： SeongHo KANG ,  JeongOh KIM ,  MyungJae YOO ,  Geumyoung LEE

IPC: H10K59/80 ,  H10K59/122 ,  H10K59/121

CPC classification number: H10K59/873 ,  H10K59/122 ,  H10K59/1213

Abstract: An electroluminescent display device can include a lower substrate divided into an active area and a non-active area, a thin film transistor disposed above the lower substrate, a planarization layer disposed above the thin film transistor, a light emitting diode disposed above the planarization layer, a bank disposed on the planarization layer to partition an emission area, an upper substrate disposed opposite to the lower substrate, a filler filled in a space between the upper substrate and the light emitting diode, a dam structure enclosing the filler in the non-active area, a plurality of alignment holes disposed between the active area and the dam structure, and a plurality of guide pins provided in the upper substrate of the non-active area to be fitted into the plurality of alignment holes. By doing this, the color mixture defect due to the bonding defect can be suppressed or minimized.

公开(公告)号：US20230217795A1

公开(公告)日：2023-07-06

申请号：US17946347

申请日：2022-09-16

Applicant: LG Display Co., Ltd.

Inventor： Geumyoung LEE ,  JeongOh KIM ,  MyungJae YOO ,  SeongHo KANG

IPC: H01L27/32

CPC classification number: H01L27/3223 ,  H01L27/3246 ,  H01L27/3258

Abstract: A display device includes a substrate including an active area and a non-active area which encloses the active area, a transistor on the substrate in the active area, a planarizing layer on the substrate and the transistor in the active area and the non-active area, a light emitting diode which is on the planarizing layer in the active area and includes an anode, an organic light emitting layer, and a cathode, a first conductive pattern on the planarizing layer in the non-active area, a second conductive pattern on the first conductive pattern in the non-active area and a plurality of dummy organic patterns which is disposed between the first conductive pattern and the second conductive pattern and is formed of the same material as the organic light emitting layer, wherein an air gap is disposed between the plurality of dummy organic patterns.

公开(公告)号：US20220199727A1

公开(公告)日：2022-06-23

申请号：US17540691

申请日：2021-12-02

Applicant: LG Display Co., Ltd

Inventor： SungHo LEE ,  JeongOh KIM ,  Geumyoung LEE ,  SeongHo KANG

IPC: H01L27/32 ,  H01L51/52

Abstract: An electroluminescence display device having a narrow bezel structure includes a substrate, a plurality of pixels, a thin film transistor, a planarization layer, a light emitting diode, a plurality of trenches, a dummy light emitting layer, an encapsulation layer and a cover plate, the substrate includes a display area and a non-display area; a light emitting diode includes an anode electrode, a light emitting layer and a cathode electrode, and is disposed on the planarization layer; a plurality of trenches formed at the planarization layer in the non-display area, and surrounding the display area; and a dummy light emitting layer disposed in the non-display area as to be extended from the light emitting layer.

公开(公告)号：US20220165990A1

公开(公告)日：2022-05-26

申请号：US17472013

申请日：2021-09-10

Applicant: LG Display Co., Ltd.

Inventor： Geumyoung LEE ,  JeongOh KIM ,  SungHo LEE ,  SeongHo KANG

IPC: H01L51/52

Abstract: The present disclosure relates to an electroluminescence display having a robust structure against the penetration of hydrogen particles. An electroluminescence display may include: a substrate; a driving layer disposed on the substrate; an emission layer disposed on the driving layer; an encapsulation layer disposed on the emission layer; and a dam surrounding a circumference area of the emission layer, the dam including an organic layer and a hydrogen absorbing layer.