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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：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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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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Patent Agency Ranking
公开(公告)号：US20220199681A1
公开(公告)日：2022-06-23
申请号：US17545617
申请日：2021-12-08
Applicant: LG Display Co., Ltd.
Inventor： Nayoung LEE , Yonghoon CHOI , Soyoung JO , Mingeun CHOI
Abstract: A light-emitting display device includes: a substrate, a plurality of pixels on the substrate, each pixel including an opening area, a light extraction pattern disposed in each opening area, the light extraction pattern including: a plurality of concave portions spaced apart from each other, and a protruding portion surrounding each of the plurality of concave portions, and a light-emitting device layer including: a light-emitting layer over the light extraction pattern, and a non-emission area overlapping a top portion of the protruding portion between the two adjacent concave portions.
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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：US20180254429A1
公开(公告)日：2018-09-06
申请号：US15971798
申请日：2018-05-04
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：US20180006273A1
公开(公告)日：2018-01-04
申请号：US15639299
申请日：2017-06-30
Applicant: LG DISPLAY CO., LTD.
Inventor： Sookang KIM , KangJu LEE , Wonhoe KOO , Hyunsoo LIM , Mingeun CHOI
CPC classification number: H01L51/5275 , H01L27/3218 , H01L27/3248 , H01L27/3258 , H01L27/326 , H01L27/3262 , H01L51/5209 , H01L51/5268
Abstract: An organic light-emitting display device including a substrate including a display area and a non-display area; a thin film transistor disposed on the substrate in the non-display area; an electroluminescent device disposed in the display area; and an overcoat layer disposed on the substrate and including two or more concave portions and two or more convex portions in the display area. Further, the two or more concave portions and the two or more convex portions form a linear pattern in a plan view. In addition, the electroluminescent device includes a first electrode disposed on the overcoat layer and connecting the electroluminescent device to the thin film transistor; an organic light-emitting layer disposed on the first electrode and configured to emit light; and a second electrode disposed on the organic light-emitting layer. Also, the linear pattern of the two or more concave portions and the two or more convex portions comprise one of a zigzag pattern, a streamlined pattern, and combinations thereof.
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