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公开(公告)号:US20180174515A1
公开(公告)日:2018-06-21
申请号:US15832632
申请日:2017-12-05
Applicant: LG Display Co., Ltd.
Inventor: Myung-O JOO , Nack-Youn JUNG , Jun-Ho YOUN , Jeong-Mook CHOI , Jun-Young KIM
IPC: G09G3/3233 , H01L27/32 , H01L51/52 , H05B33/10
CPC classification number: G09G3/3233 , H01L27/3246 , H01L27/326 , H01L27/3262 , H01L27/3283 , H01L51/0003 , H01L51/5203 , H01L51/5262 , H05B33/10
Abstract: An electroluminescent display device includes first and second pixels arranged along a first direction on a substrate; a first groove positioned at a side of the first and second pixels and including a first portion extending along the first direction and a second portion corresponding to a space between the first and second pixels; and a light emitting diode in each of the first and second pixels.
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公开(公告)号:US20220173351A1
公开(公告)日:2022-06-02
申请号:US17515780
申请日:2021-11-01
Applicant: LG DISPLAY CO., LTD.
Inventor: Heume-Il BAEK , Jun-Ho YOUN , Jeong-Mook CHOI , Hee-Tae LIM , Ji-Ho KANG , Kyoung-Ji BAE , Jin-Ah KWAK , Sang-Bin LEE
Abstract: An electroluminescent display device includes: a substrate, a first electrode on the substrate, a connection pattern on the substrate, the connection pattern including a same material as the first electrode, a bank covering edges of the first electrode and the connection pattern, a light-emitting layer on the first electrode, a second electrode on the light-emitting layer, the bank, and the connection pattern, and an auxiliary pattern between the connection pattern and the second electrode, the auxiliary pattern including one or more of: a metal oxide, conductive nanoparticles, and a work function-modifying polymer.
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公开(公告)号:US20210202613A1
公开(公告)日:2021-07-01
申请号:US17135831
申请日:2020-12-28
Applicant: LG Display Co., Ltd.
Inventor: Hyuk-Chan GEE , Sang-Bin LEE , Nack-Youn JUNG , Jun-Ho YOUN , Jeong-Mook CHOI
IPC: H01L27/32
Abstract: An electroluminescent display device includes a substrate on which a display area and a non-display area are defined; first, second and third sub-pixel rows in the display area each including a plurality of sub-pixels arranged along a first direction and disposed along a second direction; a light-emitting diode disposed at each of the plurality of sub-pixels and including a first electrode, a light-emitting layer and a second electrode; a dummy sub-pixel in the non-display area and corresponding to the second sub-pixel row; and a partition wall across the third sub-pixel row along the first direction and disposed on the first electrodes of the third sub-pixel row, wherein a width of the second sub-pixel row along the second direction is larger than a width of the first sub-pixel row and smaller than a width of the third sub-pixel row.
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公开(公告)号:US20210175305A1
公开(公告)日:2021-06-10
申请号:US17115692
申请日:2020-12-08
Applicant: LG Display Co., Ltd.
Inventor: Jeong-Mook CHOI , Heume-Il BAEK , Nack-Youn JUNG
IPC: H01L27/32
Abstract: An electroluminescent display device includes a substrate on which a display area and a non-display area are defined, sub-pixels disposed in the display area on the substrate and arranged along first and second directions, a light-emitting diode disposed at each sub-pixel and including a first electrode, a light-emitting layer and a second electrode, a first bank disposed between adjacent sub-pixels along the second direction and overlapping edges of the first electrode, and a second bank disposed between adjacent sub-pixels along the first direction and having an opening corresponding to a column of the sub-pixels arranged along the second direction, wherein the opening includes a first portion corresponding to the display area and a second portion corresponding to the non-display area, and a bottom surface of the light-emitting layer in the second portion has unevenness, and wherein an uneven pattern is provided under the light-emitting layer in the non-display area.
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公开(公告)号:US20210175281A1
公开(公告)日:2021-06-10
申请号:US17115526
申请日:2020-12-08
Applicant: LG Display Co., Ltd.
Inventor: Jeong-Mook CHOI
Abstract: An electroluminescent display device includes a substrate on which a display area and a non-display area are defined, a plurality of sub-pixels disposed in the display area on the substrate and arranged along a first direction and a second direction, a light-emitting diode disposed at each of the plurality of sub-pixels and including a first electrode, a light-emitting layer and a second electrode, a first bank disposed between adjacent sub-pixels arranged along the second direction and overlapping edges of the first electrode, and a second bank disposed between adjacent sub-pixels arranged along the first direction and having an opening corresponding to a row of the sub-pixels arranged along the second direction, wherein the opening includes a first portion corresponding to the display area and a second portion corresponding to the non-display area, and a width of the second portion is narrower than a width of the first portion.
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公开(公告)号:US20200185471A1
公开(公告)日:2020-06-11
申请号:US16705007
申请日:2019-12-05
Applicant: LG Display Co., Ltd.
Inventor: Hak-Min LEE , Nack-Youn JUNG , Hee-Jin KIM , Myung-O JOO , Sung-Soo PARK , Jeong-Mook CHOI
Abstract: An organic light emitting display device and method of fabricating thereof is disclosed. The organic light emitting display device comprises a first substrate; a plurality of first bank layers arranged along a first direction and a second direction on the first substrate to define a plurality of pixels, where the first direction and the second direction are orthogonal; a plurality of second bank layers disposed along the first direction on the first bank layers to divide pixels columns of different colors; and an organic light emitting diode in each pixel, the organic light emitting diode including an organic light emitting layer having different thicknesses on different colored pixels, wherein the side surfaces of the second bank layer adjacent to the pixel columns of different colors are inclined, the inclined angle thereof is dependent upon a thickness of the organic light emitting layer in the pixel.
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公开(公告)号:US20180138255A1
公开(公告)日:2018-05-17
申请号:US15808435
申请日:2017-11-09
Applicant: LG DISPLAY CO., LTD.
Inventor: Sang-Bin LEE , Jeong-Mook CHOI
IPC: H01L27/32 , H01L29/786 , G09G3/3233
Abstract: An electroluminescent display device and method of fabricating the same are discussed. The electroluminescent display device includes a substrate including first to third pixel regions, the second and third pixel regions being adjacent to the first pixel region along a first direction and a second direction, respectively; an insulating layer over the substrate and including a groove between the first and second pixel regions; a first electrode on the insulating layer and in each of the first to third pixel regions; a bank covering an edge of the first electrode and disposed between the first pixel region and the second pixel region and between the first pixel region and the third pixel region; an emitting layer on the first electrode; and a second electrode on the emitting layer, wherein the bank disposed between the first and second pixel regions has a first height from the first electrode and the bank disposed between the first and third pixel regions has a second height from the first electrode, and the first height is smaller than the second height.
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公开(公告)号:US20170194385A1
公开(公告)日:2017-07-06
申请号:US15363915
申请日:2016-11-29
Applicant: LG Display Co., Ltd.
Inventor: Nack-Youn JUNG , Heume-Il BAEK , Myung-O JOO , Jeong-Mook CHOI , Yun-Joo JO
CPC classification number: H01L27/3206 , G02F2001/136222 , H01L27/14645 , H01L27/3211 , H01L27/3216 , H01L27/3218 , H01L27/322 , H01L27/3246 , H01L51/0072 , H01L51/0085 , H01L51/5012 , H01L51/5056 , H01L51/5088 , H01L51/5265 , H01L2251/558
Abstract: An organic light-emitting diode display device according to an embodiment includes a substrate on which red, green and blue sub-pixel regions are defined, first electrodes in the red, green and blue sub-pixel regions, respectively, and first, second and third light-emitting layers on the first electrodes in the red, green and blue sub-pixel regions, respectively. The organic light-emitting diode display device further includes a second electrode on the first, second and third light-emitting layers, and red, green and blue color filters disposed on the second electrode and corresponding to the red, green and blue sub-pixel regions, respectively, wherein a thickness of the first light-emitting layer is smaller than a thickness of the second light emitting layer.
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公开(公告)号:US20220181414A1
公开(公告)日:2022-06-09
申请号:US17678085
申请日:2022-02-23
Applicant: LG DISPLAY CO., LTD.
Inventor: Jeong-Mook CHOI , Nack-Youn JUNG , Hee-Jin KIM , Hak-Min LEE , Myung-O JOO , Sung-Soo PARK
IPC: H01L27/32
Abstract: An electroluminescent display device includes an electroluminescent display device includes a substrate; a first pixel row on the substrate including a first plurality of pixels arranged along a first direction; a second pixel row on the substrate including a second plurality of pixels arranged along the first direction, the second pixel row being spaced apart from the first pixel row in a second direction; a first groove between the first and second pixel rows; and a light emitting diode in each pixel of the first and second pixel rows, wherein the first groove includes a first portion at one end of the first pixel row, a second portion at the other end of the first pixel row and a third portion between the first and second portions, and wherein third portion is smaller than the first portion and greater than the second portion.
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公开(公告)号:US20220173180A1
公开(公告)日:2022-06-02
申请号:US17515731
申请日:2021-11-01
Applicant: LG DISPLAY CO., LTD.
Inventor: Sang-Bin LEE , In-Sun YOO , Jeong-Mook CHOI
Abstract: An electroluminescent display device includes first and second substrates on which a pixel including first, second, and third sub-pixels are defined, a light-emitting diode disposed at each of the first, second, and third sub-pixels on the first substrate and including a first electrode, a light-emitting layer and a second electrode, and a bank between adjacent sub-pixels along a first direction, wherein the light-emitting layer includes first, second, and third light-emitting layers, wherein each of the first and second light-emitting layers includes first and second light-emitting material layers, and the third light-emitting layer includes a second light-emitting material layer, and wherein a height of the first light-emitting material layer of each of the first and second light-emitting layer increases as it approaches the bank, and the second light-emitting material layers of the first, second, and third light-emitting layers are disposed on top and side surfaces of the bank.
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