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公开(公告)号：US20220140291A1
公开(公告)日：2022-05-05
申请号：US17501703
申请日：2021-10-14
Applicant: LG Display Co., Ltd.
Inventor： Jintae KIM , Sookang KIM , Mingeun CHOI
Abstract: Disclosed is a display apparatus including a plurality of subpixels configured to include a light emission area, a planarization layer configured to include a plurality of light extraction patterns having a plurality of concave portions and protruding portions in each of the subpixels, a light emitting device layer at the planarization layer of each of the subpixels, and a bank layer disposed between the planarization layer and the light emitting device layer to open the light emission area in each of the plurality of subpixels, an end of the bank layer is disposed at the concave portion of the outermost light extraction pattern of at least one of the subpixels.
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公开(公告)号：US20200212275A1
公开(公告)日：2020-07-02
申请号：US16716388
申请日：2019-12-16
Applicant: LG Display Co., Ltd.
Inventor： Mingeun CHOI , KeumKyu MIN , Soyoung JO , Yonghoon CHOI
IPC: H01L33/58 , H01L33/38 , H01L25/075 , H01L33/50
Abstract: A light emitting display apparatus is disclosed, which can improve light extraction efficiency of light emitted from a light emitting diode. The light emitting display apparatus comprises a substrate including a plurality of pixel areas having an opening area, an uneven portion arranged in the opening area, and a light emitting diode arranged over the uneven portion, the uneven portion may have roughness average value of about 0.19 to about 0.29 for a unit size.
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公开(公告)号：US20180247983A1
公开(公告)日：2018-08-30
申请号：US15965705
申请日：2018-04-27
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：US20190393450A1
公开(公告)日：2019-12-26
申请号：US16563363
申请日：2019-09-06
Applicant: LG DISPLAY CO., LTD.
Inventor： Sookang KIM , KangJu LEE , Wonhoe KOO , Hyunsoo LIM , Mingeun CHOI
Abstract: An organic light-emitting display device can include 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, in which the two or more concave portions and the two or more convex portions form a honeycomb pattern in a plan view, and 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.
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公开(公告)号：US20190157621A1
公开(公告)日：2019-05-23
申请号：US16239125
申请日：2019-01-03
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 can include 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, in which the two or more concave portions and the two or more convex portions form a plan-view pattern including one of a polygonal pattern having same centers, a polygonal pattern having different centers, a circular pattern having same centers, a circular pattern having different centers, an oval pattern having same centers, an oval pattern having different centers, a spiral pattern, and combinations thereof, and 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.
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Patent Agency Ranking
公开(公告)号：US20180323286A1
公开(公告)日：2018-11-08
申请号：US16035249
申请日：2018-07-13
Applicant: LG DISPLAY CO., LTD.
Inventor： Hyunsoo LIM , KangJu LEE , Sookang KIM , Wonhoe KOO , Jihyang JANG , Mingeun CHOI
IPC: H01L29/66 , H05B33/08 , H01L27/12 , G02F1/1343 , G02F1/1335 , G02F1/1333 , G02F1/1362 , H01L25/075
Abstract: An array substrate for a display device is disclosed. The array substrate includes a substrate comprising a plurality of subpixels, at least one of which is a white subpixel. The array substrate also includes an insulating layer disposed on the substrate in each of the subpixels and a plurality of color filter layers disposed on the insulating layer, each of the color filter layers being disposed respectively in a corresponding one of the subpixels. At least two of the color filter layers have a same color and are respectively disposed in the white subpixel and in at least one of the subpixels adjacent to the white subpixel. The insulating layer has a slope at a boundary between the white subpixel and the at least one of the subpixels adjacent to the white subpixel.
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公开(公告)号：US20240423048A1
公开(公告)日：2024-12-19
申请号：US18820065
申请日：2024-08-29
Applicant: LG Display Co., Ltd.
Inventor： Yonghoon CHOI , KeumKyu MIN , Mingeun CHOI
IPC: H10K59/131 , H10K50/842 , H10K59/121
Abstract: A light emitting display apparatus includes a substrate configured to include a display area with a plurality of pixel areas, and a non-display area surrounding the display area, and a planarization layer disposed at the display area and partially at the non-display area. The planarization layer is configured to include an uneven pattern portion disposed at the non-display area, and the uneven pattern portion is configured to include a plurality of concave portions.
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公开(公告)号：US20220069053A1
公开(公告)日：2022-03-03
申请号：US17410372
申请日：2021-08-24
Applicant: LG Display Co., Ltd.
Inventor： Yonghoon CHOI , KeumKyu MIN , Mingeun CHOI
Abstract: A light emitting display apparatus includes a substrate configured to include a display area with a plurality of pixel areas, and a non-display area surrounding the display area, and a planarization layer disposed at the display area and partially at the non-display area. The planarization layer is configured to include an uneven pattern portion disposed at the non-display area, and the uneven pattern portion is configured to include a plurality of concave portions.
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公开(公告)号：US20180006137A1
公开(公告)日：2018-01-04
申请号：US15638840
申请日：2017-06-30
Applicant: LG DISPLAY CO., LTD.
Inventor： Hyunsoo LIM , KangJu LEE , Sookang KIM , Wonhoe KOO , Jihyang JANG , Mingeun CHOI
IPC: H01L29/66 , H01L27/12 , H01L25/075 , G02F1/1362 , H05B33/08 , G02F1/1343
CPC classification number: H01L29/66765 , G02F1/133345 , G02F1/133514 , G02F1/134309 , G02F1/1362 , H01L25/0753 , H01L27/12 , H05B33/0803 , H05B33/0821
Abstract: An array substrate for a display device is disclosed. The array substrate includes a substrate comprising a plurality of subpixels, at least one of which is a white subpixel. The array substrate also includes an insulating layer disposed on the substrate in each of the subpixels and a plurality of color filter layers disposed on the insulating layer, each of the color filter layers being disposed respectively in a corresponding one of the subpixels. At least two of the color filter layers have a same color and are respectively disposed in the white subpixel and in at least one of the subpixels adjacent to the white subpixel. The insulating layer has a slope at a boundary between the white subpixel and the at least one of the subpixels adjacent to the white subpixel.
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公开(公告)号：US20250098391A1
公开(公告)日：2025-03-20
申请号：US18966133
申请日：2024-12-03
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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