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公开(公告)号：US20180190747A1
公开(公告)日：2018-07-05
申请号：US15793155
申请日：2017-10-25
Applicant: LG Display Co., Ltd.
Inventor： HyeonHo Son , WooNam Jeong , SeungChul Lee , BuYeol Lee
CPC classification number: H01L27/3267 , G06F1/1637 , G06F1/1647 , G06F3/1423 , G06F3/1446 , G09G3/32 , G09G2300/026 , G09G2300/0408 , G09G2300/0426 , G09G2320/0233 , H01L27/32
Abstract: Disclosed are a light emitting diode display device and a multi-screen display device using the same, which include a minimized bezel area. The light emitting diode display device includes a substrate including a first display area and a second display area surrounding the first display area, a plurality of first unit pixels provided in the first display area and each including a plurality of subpixels each including a micro light emitting device, and a plurality of second unit pixels provided in the second display area overlapping an edge of the substrate and each including a plurality of subpixels and having a size less than a size of each of the plurality of first unit pixels.
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公开(公告)号：US20250095556A1
公开(公告)日：2025-03-20
申请号：US18775386
申请日：2024-07-17
Applicant: LG Display Co., Ltd.
Inventor： HyeonHo Son
IPC: G09G3/32 , H01L25/075 , H01L33/40 , H01L33/62
Abstract: A display device includes a display panel in which a plurality of sub pixels is defined; a first light emitting diode which is disposed in each of the plurality of sub pixels; a second light emitting diode which is connected to the first light emitting diode in series; a first control transistor which is connected to the first light emitting diode in parallel and is turned on by a first control signal; and a second control transistor which is connected to the second light emitting diode in parallel and is turned on by a second control signal. Accordingly, the first light emitting diode and the second light emitting diode may be independently controlled using the first control transistor and the second control transistor.
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公开(公告)号：US11984531B2
公开(公告)日：2024-05-14
申请号：US17354671
申请日：2021-06-22
Applicant: LG DISPLAY CO., LTD.
Inventor： KooHwa Lee , WooNam Jeong , HyeonHo Son
CPC classification number: H01L33/08 , H01L27/156 , H01L33/42
Abstract: Provided is a light emitting device. A light emitting device includes a first n-type semiconductor layer, a first light emitting layer disposed on the first n-type semiconductor layer, a first p-type semiconductor layer disposed on the first light emitting layer, a second p-type semiconductor layer disposed on the first p-type semiconductor layer, a bonding layer disposed between the first p-type semiconductor layer and the second p-type semiconductor layer, a second light emitting layer disposed on the second p-type semiconductor layer, a second n-type semiconductor layer disposed on the second light emitting layer, a p-type electrode disposed on the second p-type semiconductor layer, a first n-type electrode disposed on the first n-type semiconductor layer, and a second n-type electrode disposed on the second n-type semiconductor layer.
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公开(公告)号：US11605654B2
公开(公告)日：2023-03-14
申请号：US17162915
申请日：2021-01-29
Applicant: LG DISPLAY CO., LTD.
Inventor： HanSaem Kang , HyeonHo Son
IPC: H01L27/12 , H01L25/075 , H01L25/16 , H01L33/08 , H01L33/48 , H01L33/50 , H01L33/54 , H01L33/60 , H01L33/52 , H01L33/62
Abstract: A display device includes a pixel on a substrate. The pixel includes a gate line and a data line on the substrate; a pixel circuit configured to be electrically connected to the gate line and the data line; a light emitting device configured to be electrically connected to the pixel circuit; and a planarization layer configured on the pixel circuit to cover the light emitting device, wherein the light emitting device is surrounded by the planarization layer.
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公开(公告)号：US20220415249A1
公开(公告)日：2022-12-29
申请号：US17903817
申请日：2022-09-06
Applicant: LG Display Co., Ltd.
Inventor： JinYeong Kim , HyeonHo Son , SeongHwan Ju
IPC: G09G3/32
Abstract: A display panel includes a pixel including sub pixels. The pixel includes a sub pixel area in which the sub pixels are disposed and a common area. The pixel includes a light emitting diode including an anode electrode and a cathode electrode, and the anode electrode is electrically connected to a first power line to which a high potential voltage is supplied. Each of the sub pixels includes a driving element in which a source is connected to a N1 node, a gate is connected to a N2 node, and a drain is connected to a N3 node, a capacitor connected to the N2 node and a N4 node; a N1 switching circuit connected to the N1 node; a N2 switching circuit connected to the N2 node; a N3 switching circuit connected to the N3 node; and a N4 switching circuit connected to the N4 node.
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Patent Agency Ranking
公开(公告)号：US20220406248A1
公开(公告)日：2022-12-22
申请号：US17776562
申请日：2020-09-01
Applicant: LG DISPLAY CO., LTD.
Inventor： SeongHwan Ju , JinYeong Kim , HyeonHo Son , Hyunwoo Kim
IPC: G09G3/32
Abstract: According to an aspect of the present disclosure, there is provided a display device including a plurality of unit pixels comprising a main pixel and a redundancy pixel which emit a same color; and a gate driver integrated in each of the plurality of unit pixels and comprising a plurality of stages, wherein each of the plurality of stages comprises a scan driving circuit for outputting a first scan signal and a second scan signal; and an emission driving circuit for outputting an emission control signal, wherein an output timing of the first scan signal supplied to the main pixel is the same as an output timing of the first scan signal supplied to the redundancy pixel, and wherein an output timing of the second scan signal supplied to the main pixel is different from an output timing of the second scan signal supplied to the redundancy pixel.
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公开(公告)号：US20220101778A1
公开(公告)日：2022-03-31
申请号：US17386436
申请日：2021-07-27
Applicant: LG Display Co., Ltd.
Inventor： JinYeong Kim , HyeonHo Son , SeongHwan Ju
IPC: G09G3/32
Abstract: A display panel includes a pixel including sub pixels. The pixel includes a sub pixel area in which the sub pixels are disposed and a common area. The pixel includes a light emitting diode including an anode electrode and a cathode electrode, and the anode electrode is electrically connected to a first power line to which a high potential voltage is supplied. Each of the sub pixels includes a driving element in which a source is connected to a N1 node, a gate is connected to a N2 node, and a drain is connected to a N3 node, a capacitor connected to the N2 node and a N4 node; a N1 switching circuit connected to the N1 node; a N2 switching circuit connected to the N2 node; a N3 switching circuit connected to the N3 node; and a N4 switching circuit connected to the N4 node.
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公开(公告)号：US20200176537A1
公开(公告)日：2020-06-04
申请号：US16788081
申请日：2020-02-11
Applicant: LG Display Co., Ltd.
Inventor： HyeonHo Son , WooNam Jeong , SeungChul Lee , BuYeol Lee
Abstract: Disclosed are a light emitting diode display device and a multi-screen display device using the same, which include a reduced or minimized bezel area. The light emitting diode display device includes a substrate including a first display area and a second display area outside of the first display area, a plurality of first unit pixels in the first display area, the plurality of first unit pixels each including a plurality of subpixels each including a micro light emitting device, and a plurality of second unit pixels in the second display area adjacent an edge of the substrate. A distance between the second unit pixel and an outer surface of the substrate is equal to or less than half of a reference pixel pitch at which the plurality of first unit pixels are arranged.
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公开(公告)号：US10593743B2
公开(公告)日：2020-03-17
申请号：US15793155
申请日：2017-10-25
Applicant: LG Display Co., Ltd.
Inventor： HyeonHo Son , WooNam Jeong , SeungChul Lee , BuYeol Lee
Abstract: Disclosed are a light emitting diode display device and a multi-screen display device using the same, which include a minimized bezel area. The light emitting diode display device includes a substrate including a first display area and a second display area surrounding the first display area, a plurality of first unit pixels provided in the first display area and each including a plurality of subpixels each including a micro light emitting device, and a plurality of second unit pixels provided in the second display area overlapping an edge of the substrate and each including a plurality of subpixels and having a size less than a size of each of the plurality of first unit pixels.
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30.发明授权公开(公告)号：US10325936B2
公开(公告)日：2019-06-18
申请号：US15797835
申请日：2017-10-30
Applicant: LG Display Co., Ltd. , LG INNOTEK Co., Ltd. , LG Electronics Inc.
Inventor： HanSaem Kang , HyeonHo Son , KyungHan Seo , Sangyoul Lee , Hwankuk Yuh , Seung Ouk Noh
IPC: H01L27/32 , H01L27/12 , H01L33/38 , H01L25/075
Abstract: Disclosed is a light emitting diode display device in which a time taken in a process of connecting a light emitting device to a pixel circuit is shortened. The light emitting diode display device includes a thin film transistor (TFT) array substrate including a concave portion and a light emitting device disposed in the concave portion. The light emitting device includes a first electrode and a second electrode. The light emitting device further includes a first portion, including the first and second electrodes, and a second portion opposite to the first portion, and a distance between the first portion to a floor surface of the concave portion is greater than a distance between the second portion to the floor surface of the concave portion.
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