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公开(公告)号：US20200168693A1
公开(公告)日：2020-05-28
申请号：US16653146
申请日：2019-10-15
Applicant: LG Display Co., Ltd.
Inventor： JoonYoung Heo
Abstract: A display device can include a substrate provided with a first subpixel, a first electrode including a first sub electrode provided on the first subpixel, an organic light emitting layer including first and second organic light emitting layers arranged on the first sub electrode and a second organic light emitting layer arranged on the second sub electrode, a second electrode arranged on the organic light emitting layer, and an auxiliary electrode arranged between the first organic light emitting layer on the first sub electrode and the second organic light emitting layer on the first sub electrode, wherein the auxiliary electrode is connected with the second electrode. Therefore, although the first subpixel has a two-stack structure, the organic light emitting layer can emit light in accordance with a voltage of one-stack, whereby overall power consumption can be reduced.
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2.发明授权公开(公告)号：US09570471B2
公开(公告)日：2017-02-14
申请号：US14818003
申请日：2015-08-04
Applicant: LG DISPLAY CO., LTD.
Inventor： JoonYoung Heo , HeeSuk Pang
CPC classification number: H01L27/1225 , H01L27/3246 , H01L27/3279 , H01L51/5228 , H01L51/5234 , H01L2227/323
Abstract: Provided is an organic light emitting display device including: a substrate; a first anode and a second anode formed on the substrate; a first auxiliary electrode formed between the first anode and the second anode; a first organic light emitting layer and a second organic light emitting layer; a first bank including an undercut formed on an upper part of a first edge of the first auxiliary electrode; a second bank including an undercut formed on an upper part of a second edge of the first auxiliary electrode; a second auxiliary electrode disposed between the undercut of the first bank and the first auxiliary electrode; a third auxiliary electrode disposed between the undercut of the second bank and the first auxiliary electrode; a first cathode electrically connected with the second auxiliary electrode; and a second cathode electrically connected with the third auxiliary electrode.
Abstract translation: 提供一种有机发光显示装置，包括：基板; 形成在基板上的第一阳极和第二阳极; 形成在第一阳极和第二阳极之间的第一辅助电极; 第一有机发光层和第二有机发光层; 包括形成在所述第一辅助电极的第一边缘的上部上的底切的第一存储体; 包括形成在所述第一辅助电极的第二边缘的上部上的底切的第二组; 第二辅助电极，设置在第一组的底切和第一辅助电极之间; 第三辅助电极，设置在第二堤的底切和第一辅助电极之间; 与所述第二辅助电极电连接的第一阴极; 以及与第三辅助电极电连接的第二阴极。
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公开(公告)号：US11469390B2
公开(公告)日：2022-10-11
申请号：US17028571
申请日：2020-09-22
Applicant: LG Display Co., Ltd.
Inventor： JoonYoung Heo , YongMin Park , KyungHoon Lee , YoungHoon Son
Abstract: A display device is disclosed, which may reduce an interval between subpixels and maximize a light emission area. The display device comprises a substrate provided with a first subpixel and a second subpixel arranged to adjoin the first subpixel, a first electrode provided in each of the first subpixel and the second subpixel on the substrate, including a first material, and an oxide insulating film provided to cover at least a portion of a side of the first electrode and made of a second material. The first material is a metal material, and the second material is an oxide of the first material.
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公开(公告)号：US10741616B2
公开(公告)日：2020-08-11
申请号：US16723036
申请日：2019-12-20
Applicant: LG DISPLAY CO., LTD.
Inventor： JongSung Kim , JoonYoung Heo
Abstract: A method of manufacturing an organic light emitting display device, includes forming a thin film transistor on a substrate, the substrate having emissive areas; forming a planarization layer on the thin film transistor; forming a contact hole exposing a source or drain electrode of the thin film transistor through the planarization layer; forming a first electrode connected to the source or drain electrode of the thin film transistor through the contact hole; forming a hole between adjacent emissive areas, the hole being provided in the planarization layer; forming a pixel defining layer on a portion of the first electrode and in the hole, wherein the pixel defining layer fills a portion of the hole and is provided on both side wall and floor of the hole; and forming a light emitting layer, a second electrode and an encapsulation layer sequentially on the substrate having the first electrode and the pixel defining layer.
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公开(公告)号：US09899460B2
公开(公告)日：2018-02-20
申请号：US15199048
申请日：2016-06-30
Applicant: LG DISPLAY CO., LTD.
Inventor： JoonYoung Heo , YoungMi Kim , YongMin Park , Yoonseob Jeong
CPC classification number: H01L27/3248 , H01L27/3246 , H01L27/3272 , H01L27/3276 , H01L51/5209 , H01L51/56 , H01L2227/323 , H01L2251/568
Abstract: Discussed is an organic light emitting display device that can include a bank that defines the periphery of an emission area; a structure disposed on the bank; a first electrode disposed in the emission area; an organic layer disposed on the bank, the structure, and the first electrode, an organic layer disposed on the structure being separated from other organic layers; and a second electrode disposed on the organic layer.
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Patent Agency Ranking
公开(公告)号：US20160315285A1
公开(公告)日：2016-10-27
申请号：US14983341
申请日：2015-12-29
Applicant: LG Display Co., Ltd.
Inventor： JoonYoung Heo , YoungMi Kim , YongMin Park , Yoonseob Jeong
CPC classification number: H01L51/5203 , H01L51/5044 , H01L51/5221 , H01L2251/308
Abstract: The present invention relates to an organic light emitting display device. An aspect of the present invention provides an organic light emitting display device comprising a first electrode on a substrate, an organic light emitting layer on the substrate, and a second electrode including at least two layers of which a composition of compensation materials is different on the organic light emitting layer. Another aspect of the present invention provides an organic light emitting display device in which a first electrode includes two or more layers having different compositions of compensation material such that thin and double compensation layers are formed on both surfaces of an organic light emitting layer.
Abstract translation: 本发明涉及有机发光显示装置。 本发明的一个方面提供了一种有机发光显示装置，其包括在基板上的第一电极，基板上的有机发光层和包括至少两层的第二电极，其中补偿材料的组成在 有机发光层。 本发明的另一方面提供了一种有机发光显示装置，其中第一电极包括具有不同组成的补偿材料的两层或更多层，使得在有机发光层的两个表面上形成薄和双补偿层。
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7.发明申请公开(公告)号：US20140183471A1
公开(公告)日：2014-07-03
申请号：US14095520
申请日：2013-12-18
Applicant: LG Display Co., Ltd.
Inventor： JoonYoung Heo
CPC classification number: H01L27/322 , H01L27/3209 , H01L27/3213 , H01L51/504 , H01L51/5278
Abstract: A white organic light emitting element, a white organic light emitting display device, and a method of manufacturing the white organic light emitting element are provided. The organic light emitting element includes a multi-layered emission layer structure. The multi-layered emission layer structure includes a first electroluminescent layer and a second electroluminescent layer that are arranged to overlap at first area of the white organic light emitting element. The lights from the first and second electroluminescent layers collectively form white light. Among the first and second electroluminescent layers, one of the EL layers is extended out to the second area of the white organic light emitting element. A plurality of color filter elements are used to filter the white light to generate colored lights at the corresponding sub pixel regions.
Abstract translation: 提供白色有机发光元件，白色有机发光显示装置和制造白色有机发光元件的方法。 有机发光元件包括多层发射层结构。 多层发射层结构包括第一电致发光层和第二电致发光层，其被布置为在白色有机发光元件的第一区域处重叠。 来自第一和第二电致发光层的光共同形成白光。 在第一和第二电致发光层中，EL层中的一个延伸到白色有机发光元件的第二区域。 多个滤色器元件用于过滤白光以在相应的子像素区域产生着色光。
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公开(公告)号：US12207487B2
公开(公告)日：2025-01-21
申请号：US18416834
申请日：2024-01-18
Applicant: LG Display Co., Ltd.
Inventor： JoonYoung Heo , YongMin Park , KyungHoon Lee , YoungHoon Son
IPC: H10K50/818 , H10K50/125 , H10K59/12 , H10K71/00
Abstract: A display device is disclosed, which may reduce an interval between subpixels and maximize a light emission area. The display device comprises a substrate provided with a first subpixel and a second subpixel arranged to adjoin the first subpixel, a first electrode provided in each of the first subpixel and the second subpixel on the substrate, including a first material, and an oxide insulating film provided to cover at least a portion of a side of the first electrode and made of a second material. The first material is a metal material, and the second material is an oxide of the first material.
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公开(公告)号：US11997862B2
公开(公告)日：2024-05-28
申请号：US16725529
申请日：2019-12-23
Applicant: LG Display Co., Ltd.
Inventor： JoonYoung Heo , Daehee Kim , JiYoung Park , YoungHoon Son , Hyeju Choi
IPC: H10K50/15 , G02B27/01 , H10K50/11 , H10K50/16 , H10K50/17 , H10K50/858 , H10K59/122 , H10K101/40
CPC classification number: H10K50/15 , H10K50/11 , H10K50/16 , H10K50/17 , H10K50/858 , H10K59/122 , G02B27/017 , G02B2027/0178 , H10K2101/40
Abstract: A display device comprises a substrate provided with a first subpixel and a second subpixel adjacent to the first subpixel, a first electrode provided on the substrate, including a first sub electrode provided on the first subpixel and a second sub electrode provided on the second subpixel, an organic light emitting layer including a first organic light emitting layer arranged on the first sub electrode and a second organic light emitting layer arranged on the second sub electrode, a second electrode arranged on the organic light emitting layer, and a first bank provided between the first sub electrode and the second sub electrode, partitioning the first subpixel from the second subpixel, wherein the first organic light emitting layer includes a light emitting layer and a first hole transporting layer arranged on the light emitting layer, the first hole transporting layer includes a first sub hole transporting layer and a second sub hole transporting layer, and the first sub hole transporting layer of the first hole transporting layer covers the light emitting layer between the light emitting layer and the second sub hole transporting layer. Therefore, as the first sub hole transporting layer is provided to cover the light emitting layer of the organic light emitting layer, the organic light emitting layer may be prevented from being damaged by an exposure process or a solution process, whereby a defect rate of the complete display device may be reduced.
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公开(公告)号：US10409411B2
公开(公告)日：2019-09-10
申请号：US16363968
申请日：2019-03-25
Applicant: LG Display Co., Ltd.
Inventor： JoonYoung Heo , Yeonsuk Kang
Abstract: Disclosed are a display device with integrated touch screen, in which a touch sensing layer is provided on an encapsulation layer without forming a separate insulation layer, and thus, an increase in thickness caused by the touch sensing layer is minimized. The display device with integrated touch screen includes a plurality of first touch electrodes and a plurality of second touch electrodes disposed on a substrate, a black matrix disposed on the plurality of first touch electrodes and the plurality of second touch electrodes, and a plurality of bridge electrodes on the black matrix, the plurality of bridge electrodes disposed to electrically connect the plurality of first touch electrodes. The plurality of bridge electrodes are connected to the plurality of first touch electrodes through a plurality of contact holes passing through the black matrix, respectively.
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