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公开(公告)号：US20220069038A1
公开(公告)日：2022-03-03
申请号：US17409137
申请日：2021-08-23
Applicant: LG Display Co., Ltd.
Inventor： Mingeun CHOI , Sookang KIM
Abstract: The light emitting display apparatus may include a pixel area disposed at a substrate and configured to have an emission area and a non-emission area, a planarization layer disposed at the substrate, and a light emitting device layer disposed at the emission area and the non-emission area above the planarization layer. The light emitting device layer may include a barrier layer disposed at the boundary area between the emission area and the non-emission area. The light emitting display apparatus may be capable of preventing a leakage current between adjacent pixels.
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公开(公告)号：US20200185655A1
公开(公告)日：2020-06-11
申请号：US16704806
申请日：2019-12-05
Applicant: LG Display Co., Ltd.
Inventor： Soyoung JO , Sookang KIM , KeumKyu MIN , HeeJung YANG , Mingeun CHOI
IPC: H01L51/52
Abstract: A light emitting display apparatus is disclosed, which can improve visual characteristic of a black image in accordance with reduction of diffuse reflectance while improving light emission efficiency of light emitted from a light emitting diode. The light emitting display apparatus comprises a substrate including a plurality of pixel areas, a light emission pattern arranged in each of the plurality of pixel areas, a light emitting device layer arranged over the light emission pattern, and a selective wavelength absorbing member overlapped with at least one of the plurality of pixel areas, wherein the selective wavelength absorbing member may reduce transmittance of light of a long wavelength, which is incident.
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公开(公告)号：US20190334111A1
公开(公告)日：2019-10-31
申请号：US16506977
申请日：2019-07-09
Applicant: LG Display Co., Ltd.
Inventor： Jihyang JANG , Sookang KIM , Soyoung JO , Wonhoe KOO , Hyunsoo LIM
Abstract: Provided is an organic light emitting device including an overcoat layer on a substrate, a first electrode disposed on the overcoat layer, an organic light emitting layer disposed on the first electrode and including a convex or concave curve; and a second electrode disposed on the organic light emitting layer.
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公开(公告)号：US20180190932A1
公开(公告)日：2018-07-05
申请号：US15593029
申请日：2017-05-11
Applicant: LG Display Co., Ltd.
Inventor： Wonhoe KOO , Sookang KIM , Jihyang JANG
CPC classification number: H01L51/5209 , H01L27/322 , H01L27/3248 , H01L27/3258 , H01L27/3262 , H01L51/5225 , H01L51/5268 , H01L2251/303 , H01L2251/306 , H01L2251/308 , H01L2251/558
Abstract: An exemplary embodiment may provide an organic light emitting diode that includes a first electrode including a concave part or a convex part, an organic light emitting layer disposed on the first electrode, and a second electrode disposed on the organic light emitting layer. Further, the exemplary embodiment may provide an organic light emitting device including the organic light emitting diode.
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公开(公告)号：US20180190719A1
公开(公告)日：2018-07-05
申请号：US15394628
申请日：2016-12-29
Applicant: LG Display Co., Ltd.
Inventor： Sookang KIM , Soyoung JO , Wonhoe KOO , Jihyang JANG , Hyunsoo LIM , Mingeun CHOI
CPC classification number: H01L27/322 , H01L27/3246 , H01L27/3258 , H01L27/326 , H01L51/5209 , H01L51/5225 , H01L51/5271 , H01L51/5275 , H01L2251/5315
Abstract: The present disclosure includes a top emission type organic light emitting diode display device. The top emission type organic light emitting diode display device of the disclosed present disclosure includes an overcoating layer disposed on a substrate and including a plurality of convex portions or a plurality of concave portions in which a full width at half maximum is greater than a radius, a first electrode disposed on the overcoating layer, an organic light emitting layer disposed on the first electrode, and a second electrode disposed on the organic light emitting layer.
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Patent Agency Ranking
公开(公告)号：US20180006264A1
公开(公告)日：2018-01-04
申请号：US15638765
申请日：2017-06-30
Applicant: LG DISPLAY CO., LTD.
Inventor： KangJu LEE , Sookang KIM , Wonhoe KOO , Hyunsoo LIM , Mingeun CHOI , Yonghoon CHOI
CPC classification number: H01L51/5212 , H01L27/3246 , H01L27/3279 , H01L27/3288 , H01L51/0014 , H01L51/5008 , H01L51/5032 , H01L2227/323
Abstract: An organic light-emitting display device includes a substrate defining an emission area and a non-emission area; an insulating layer on the substrate and having at least two grooves being defined at a portion of the insulating layer corresponding to the non-emission area; a first electrode on the insulating layer at a portion of the insulating layer corresponding to the emission area; an auxiliary electrode on the insulating layer and spaced apart from the first electrode, the auxiliary electrode being on at least a portion of the insulating layer having the at least two grooves; a bank pattern on portions of the first and auxiliary electrodes; a barrier on the auxiliary electrode and separated from the bank pattern, the barrier being formed of a same material as the bank pattern; an organic light-emitting layer on the first electrode; and a second electrode on the organic light-emitting layer.
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公开(公告)号：US20170125489A1
公开(公告)日：2017-05-04
申请号：US15296941
申请日：2016-10-18
Applicant: LG DISPLAY CO., LTD.
Inventor： Jihyang JANG , KangJu LEE , SeungRyong JOUNG , Hansun PARK , Sookang KIM , Soyoung JO , Seongsu JEON , Wonhoe KOO , Hyunsoo LIM , JeaHo PARK , Mingeun CHOI , Hyunjoo KIM , Wooram YOUN
CPC classification number: H01L27/3213 , H01L27/322 , H01L27/3272 , H01L51/5275 , H01L51/56
Abstract: An organic light-emitting display device. A substrate is divided into a plurality of subpixels generating different colors of light. A light leakage prevention layer is disposed on a portion of the substrate corresponding to a light-emitting area of at least one subpixel of the plurality of subpixels. An overcoat layer is disposed on a portion of the substrate corresponding to at least one subpixel of the plurality of subpixels, and includes microlenses having a plurality of concave portions or a plurality of convex portions. An organic electroluminescent device is disposed on the overcoat layer.
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公开(公告)号：US20210313546A1
公开(公告)日：2021-10-07
申请号：US17351061
申请日：2021-06-17
Applicant: LG Display Co., Ltd.
Inventor： Jintae KIM , Sookang KIM , Soyoung JO , Wonhoe KOO , Jihyang JANG , Hyunsoo LIM , Mingeun CHOI
IPC: H01L51/52
Abstract: Disclosed is an organic light emitting diode display device. The disclosed organic light emitting diode display device includes an overcoat layer disposed on a substrate that is divided into an emissive area and a non-emissive area, and has multiple micro lenses in the emissive area and at least one depression in the non-emissive area. The organic light emitting diode display device further includes: a first electrode disposed on the overcoat layer, wherein the first electrode is disposed in the entire emissive area and in a part of the non-emissive area; a bank pattern disposed in the non-emissive area so as to be superposed on the depression; an organic light emitting layer disposed on the substrate; and a second electrode disposed on the organic light emitting layer. Accordingly, the organic light emitting diode display device may prevent light leakage.
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公开(公告)号：US20210183900A1
公开(公告)日：2021-06-17
申请号：US17120746
申请日：2020-12-14
Applicant: LG Display Co., Ltd.
Inventor： Mingeun CHOI , HeeJung YANG , Sookang KIM
IPC: H01L27/12
Abstract: A light emitting display apparatus includes a substrate, a first metal line and a second metal line spaced apart from each other along a first direction on the substrate and disposed along a second direction crossing the first direction, and a subpixel overlapped with at least one of the first metal line and the second metal line. The subpixel includes a first light emission portion between the first metal line and the second metal line, and a second light emission portion overlapped with at least one of the first metal line and the second metal line.
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公开(公告)号：US20180358581A1
公开(公告)日：2018-12-13
申请号：US16106281
申请日：2018-08-21
Applicant: LG DISPLAY CO., LTD.
Inventor： Sookang KIM , Soyoung JO , Wonhoe KOO , Jihyang JANG , Hyunsoo LIM
CPC classification number: H01L51/5275 , H01L27/3246 , H01L27/3248 , H01L27/3258 , H01L27/326 , H01L51/5203
Abstract: An organic light emitting diode display device is provided. The organic light emitting diode display device includes a first insulating layer disposed on a substrate and having a first refractive index, a refraction inducing layer disposed on the first insulating layer having a second refractive index, a second insulating layer disposed on the refraction inducing layer and having a third refractive index, a first electrode disposed on the second insulating layer and having a fourth refractive index, and an organic light emitting layer and a second electrode disposed on the first electrode. The second insulating layer, the first electrode, the organic light emitting layer, and the second electrode include a plurality of convex parts and a plurality of concave parts.
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