公开(公告)号：US20200335728A1

公开(公告)日：2020-10-22

申请号：US16917491

申请日：2020-06-30

Applicant: LG Display Co., Ltd.

Inventor： Hyun-Soo LIM ,  Kang-Ju LEE ,  Soo-Kang KIM ,  Won-Hoe KOO ,  Min-Geun CHOI

IPC: H01L51/52 ,  H01L27/32

Abstract: The present disclosure relates to an organic light emitting diode display device including: a substrate having an emitting area and a non-emitting area; an insulating layer on the substrate, the insulating layer including a plurality of convex portions, a plurality of connecting portions and at least one wall in the emitting area, a height of the at least one wall is greater than a height of the plurality of convex portions; a first electrode on the substrate; an emitting layer on the first electrode; and a second electrode on the emitting layer, the first electrode, the emitting layer and the second electrode constituting a light emitting diode.

公开(公告)号：US20200257145A1

公开(公告)日：2020-08-13

申请号：US16858398

申请日：2020-04-24

Applicant: LG Display Co., Ltd.

Inventor： Eun-Woo LEE ,  Min-Geun CHOI

IPC: G02F1/1334 ,  G02F1/1343 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/13357 ,  G02F1/1362

Abstract: A liquid crystal display device including: a substrate; a thin film transistor on the substrate; a pixel electrode and a common electrode on the substrate; a first liquid crystal pattern in the first sub-pixel on the pixel electrode and the common electrode, the first liquid crystal pattern including a first liquid crystal molecule; a second liquid crystal pattern in the second sub-pixel on the pixel electrode and the common electrode, the second liquid crystal pattern including a second liquid crystal molecule; and a third liquid crystal pattern in the third sub-pixel on the pixel electrode and the common electrode, the third liquid crystal pattern including a third liquid crystal molecule, wherein the first, second and third liquid crystal molecules have different refractive index anisotropies from each other.

公开(公告)号：US20190103587A1

公开(公告)日：2019-04-04

申请号：US16141468

申请日：2018-09-25

Applicant: LG DISPLAY CO., LTD.

Inventor： Kang-Ju LEE ,  Min-Geun CHOI ,  Jin-Tae KIM ,  Yong-Hoon CHOI

IPC: H01L51/52 ,  H01L27/32

CPC classification number: H01L51/5268 ,  H01L27/32 ,  H01L51/5209 ,  H01L51/5212 ,  H01L51/5218 ,  H01L51/5271 ,  H01L2251/558

Abstract: An organic light emitting diode (OLED) lighting apparatus includes a substrate including a plurality of emission areas and a plurality of non-emission areas surrounding edges of the plurality of emission areas, an overcoat layer disposed on the substrate and having a first non-flat top surface in at least one of the emission areas and a second non-flat top surface in at least one of the non-emission area, an auxiliary electrode disposed on the second non-flat top surface and including a reflective material, a first electrode disposed on the first non-flat top surface in at least one of the emission areas and disposed on the auxiliary electrode in the non-emission areas, an organic emitting layer on the first electrode, and a second electrode on the organic emitting layer, wherein the auxiliary electrode and the first electrode are in electrical contact with each other.

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：US20190165323A1

公开(公告)日：2019-05-30

申请号：US16197059

申请日：2018-11-20

Applicant: LG Display Co., Ltd.

Inventor： So-Young JO ,  Ji-Hyang JANG ,  Min-Geun CHOI ,  Woo-Ram YOUN

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

Abstract: An electroluminescent display device comprises a substrate; a thin film transistor disposed on the substrate; an overcoat layer disposed on the thin film transistor; and a light-emitting diode electrically connected to the thin film transistor through the overcoat layer, wherein the light-emitting diode includes a first electrode, a light-emitting layer on the first electrode and a second electrode on the light-emitting layer, and an emissive area is an area in which the light-emitting layer emits light by the first electrode or the second electrode, wherein the overcoat layer includes a micro lens at a position corresponding to the emissive area, and the light-emitting diode conforms to a morphology of the micro lens, and wherein the first electrode includes a first region and a second region, the first region comprises an electrode layer, and the second region includes the electrode layer and an electrode pattern disposed under the electrode layer.

公开(公告)号：US20190165321A1

公开(公告)日：2019-05-30

申请号：US16198272

申请日：2018-11-21

Applicant: LG Display Co., Ltd.

Inventor： Min-Geun CHOI ,  Woo-Ram YOUN

IPC: H01L51/52 ,  H01L27/32

Abstract: An electroluminescent display device includes a first substrate including an emissive area; an overcoat layer disposed over the first substrate and including a plurality of protruding portions and a plurality of depressed portions in the emissive area; a first electrode disposed over the overcoat layer and including an electrode portion which corresponds to each of the plurality of protruding portions and an opening which corresponds to each of the plurality of depressed portions; a light-emitting layer disposed over the electrode portion; a second electrode disposed over the light-emitting layer; and a reflective pattern disposed over each of the plurality of depressed portions.

公开(公告)号：US20190096976A1

公开(公告)日：2019-03-28

申请号：US16134193

申请日：2018-09-18

Applicant: LG Display Co., Ltd.

Inventor： Ji-Hyang JANG ,  Won-Hoe KOO ,  Min-Geun CHOI

IPC: H01L27/32 ,  H01L51/50 ,  H01L51/52 ,  H01L33/06 ,  H01L27/15 ,  H01L33/58 ,  H01L33/52

Abstract: An electroluminescent device includes a substrate which has a subpixel including a main subpixel and an auxiliary subpixel; a first thin film transistor and a second thin film transistor disposed on the substrate, the first thin film transistor corresponding to the main subpixel and the second thin film transistor corresponding to the auxiliary subpixel; an overcoat layer on the first and second thin film transistors; a first bottom electrode and a second bottom electrode on the overcoat layer, the first bottom electrode corresponding to the main subpixel and the second bottom electrode corresponding to the auxiliary subpixel; a light-emitting layer on the first bottom electrode and the second bottom electrode; and a top electrode on the light-emitting layer, wherein the main subpixel and the auxiliary subpixel have different color temperatures.

公开(公告)号：US20180090717A1

公开(公告)日：2018-03-29

申请号：US15717640

申请日：2017-09-27

Applicant: LG Display Co., Ltd.

Inventor： Hyun-Soo LIM ,  Kang-Ju LEE ,  Soo-Kang KIM ,  Won-Hoe KOO ,  Min-Geun CHOI

IPC: H01L51/52 ,  H01L27/32

Abstract: The present disclosure relates to an organic light emitting diode display device including: a substrate having an emitting area and a non-emitting area; an insulating layer on the substrate, the insulating layer including a plurality of convex portions, a plurality of connecting portions and at least one wall in the emitting area, a height of the at least one wall is greater than a height of the plurality of convex portions; a first electrode on the substrate; an emitting layer on the first electrode; and a second electrode on the emitting layer, the first electrode, the emitting layer and the second electrode constituting a light emitting diode.

公开(公告)号：US20170075154A1

公开(公告)日：2017-03-16

申请号：US15359839

申请日：2016-11-23

Applicant: LG DISPLAY CO., LTD.

Inventor： Kyeong-Jin KIM ,  Jung-Im HWANG ,  Ji-Na JEON ,  Kyung-Su HA ,  Min-Geun CHOI

IPC: G02F1/1334 ,  G02F1/1333 ,  G02F1/13363 ,  G02F1/1343 ,  G02F1/1335 ,  G02F1/1368

CPC classification number: G02F1/1334 ,  G02B6/0056 ,  G02F1/133305 ,  G02F1/13338 ,  G02F1/133514 ,  G02F1/133524 ,  G02F1/133528 ,  G02F1/133553 ,  G02F1/133603 ,  G02F1/13363 ,  G02F1/133707 ,  G02F1/134309 ,  G02F1/1368 ,  G02F1/13718 ,  G02F2001/133531 ,  G02F2001/133541 ,  G02F2001/133638 ,  G02F2001/13712 ,  G02F2202/36 ,  G02F2203/02

Abstract: Disclosed is a liquid crystal display device that may include a first substrate; a first electrode on the first substrate, the first electrode including a plurality of first inclined planes; a nanocapsule liquid crystal layer on the first electrode, the nanocapsule liquid crystal layer including a plurality of nano-sized capsules dispersed in a buffer layer, each of the plurality of nano-sized capsules including nematic liquid crystal molecules having a negative dielectric constant anisotropy; and a second electrode on the nanocapsule liquid crystal layer, the second electrode including a plurality of second inclined planes facing the plurality of first inclined planes, wherein the nanocapsule liquid crystal layer is substantially, optically isotropic in a normal state, and is optically anisotropic when a voltage is applied to the first and second electrodes.

Abstract translation: 公开了一种液晶显示装置，其可以包括第一基板; 所述第一电极在所述第一基板上，所述第一电极包括多个第一倾斜平面; 在所述第一电极上的纳米胶囊液晶层，所述纳米胶囊液晶层包含分散在缓冲层中的多个纳米级胶囊，所述多个纳米尺寸胶囊中的每一个包括具有负介电常数各向异性的向列型液晶分子; 和纳米胶囊液晶层上的第二电极，所述第二电极包括面对所述多个第一倾斜面的多个第二倾斜面，其中所述纳米胶囊液晶层在正常状态下基本上是光学各向同性的，并且当光学各向异性时 电压施加到第一和第二电极。