公开(公告)号：US20230269966A1

公开(公告)日：2023-08-24

申请号：US18141786

申请日：2023-05-01

Applicant: LG Display Co., Ltd.

Inventor： Keum-Kyu MIN ,  Min-Geun CHOI ,  Yong-Hoon CHOI

IPC: H10K50/858 ,  H10K50/11 ,  H10K50/813 ,  H10K50/822 ,  H10K59/124

CPC classification number: H10K50/858 ,  H10K50/11 ,  H10K50/813 ,  H10K50/822 ,  H10K59/124 ,  H10K59/38

Abstract: An organic light emitting diode display device can include a substrate including at least one subpixel having a non-emitting area and an emitting area, a thin film transistor in the non-emitting area on the substrate, an overcoating layer on the thin film transistor and having a plurality of microlenses at a top surface of the overcoating layer, and a light emitting diode in the emitting area on the overcoating layer and connected to the thin film transistor. The surface of the plurality of microlenses can be divided into a plurality of convex portions and a plurality of concave portions with respect to a central surface. Further, the adjacent edge portions of adjacent two of the plurality of microlenses can constitute a first high portion, and the adjacent edge portions of adjacent three of the plurality of microlenses constitute a second high portion.

公开(公告)号：US20210193969A1

公开(公告)日：2021-06-24

申请号：US17116560

申请日：2020-12-09

Applicant: LG Display Co., Ltd.

Inventor： Keum-Kyu MIN ,  Min-Geun CHOI ,  Yong-Hoon CHOI

IPC: H01L51/52 ,  H01L27/32 ,  H01L51/50

Abstract: An organic light emitting diode display device includes a substrate including at least one subpixel having a non-emitting area and an emitting area; a thin film transistor in the non-emitting area on the substrate; an overcoating layer on the thin film transistor and having a plurality of microlenses at a top surface of the overcoating layer; and a light emitting diode in the emitting area on the overcoating layer and connected to the thin film transistor, wherein a surface of the plurality of microlenses in a sampling area of the emitting area is divided into a plurality of convex portions and a plurality of concave portions with respect to a central surface, and a total volume of the plurality of convex portions with respect to the central surface is equal to a total volume of the plurality of concave portions with respect to the central surface.

公开(公告)号：US20190067381A1

公开(公告)日：2019-02-28

申请号：US16118078

申请日：2018-08-30

Applicant: LG DISPLAY CO., LTD.

Inventor： Jin-Tae KIM ,  Keum-Kyu MIN ,  Soo-Kang KIM ,  Kang-Ju LEE

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/50

Abstract: An electroluminescent display device can include a substrate including a first emission area and a first non-emission area; a first color filter pattern on the substrate and in the first emission area; a first wall disposed in the first non-emission area and surrounding the first color filter pattern; an overcoat layer on the first wall and the first color filter pattern and including a first micro-lens structure having a non-flat surface in the first emission area; and a light emitting diode on the overcoat layer and in the first emission area.

公开(公告)号：US20190131578A1

公开(公告)日：2019-05-02

申请号：US16148274

申请日：2018-10-01

Applicant: LG Display Co., Ltd.

Inventor： Kang-Ju LEE ,  Keum-Kyu MIN ,  Soo-Kang KIM ,  Jin-Tae KIM ,  Yong-Hoon CHOI

IPC: H01L51/52 ,  H01L27/32

Abstract: An organic light emitting diode display device includes a substrate having a plurality of subpixels which each have an emission region and a non-emission region defined along an edge of the emission region. A reflective barrier is disposed to correspond to the non-emission region and includes a reflective side surface. An overcoat layer is disposed on an upper portion of the reflective barrier. A light emitting diode includes a first electrode, an organic light emitting layer, and a second electrode, which are sequentially disposed on the overcoat layer. The reflective side surface of the reflective barrier is inversely tapered such that a width thereof is decreased in a traveling direction of light emitted from the organic light emitting layer.

公开(公告)号：US20190067624A1

公开(公告)日：2019-02-28

申请号：US16109691

申请日：2018-08-22

Applicant: LG Display Co., Ltd.

Inventor： Yong-Hoon CHOI ,  Keum-Kyu MIN ,  Won-Hoe KOO

IPC: H01L51/52 ,  H01L27/32

Abstract: An electroluminescent display device includes: a substrate including a subpixel; a thin film transistor disposed at the subpixel; an overcoat layer disposed on the thin film transistor; a first electrode disposed on the overcoat layer and electrically connected to the thin film transistor; a bank layer disposed on the overcoat layer and the first electrode, the bank layer including a plurality of openings configured to expose the first electrode and a plurality of opening patterns formed in a bar shape to expose the first electrode and connect the plurality of openings; an emitting layer disposed on the first electrode and the bank layer; and a second electrode disposed on the emitting layer.