公开(公告)号：US09502677B2

公开(公告)日：2016-11-22

申请号：US14866653

申请日：2015-09-25

Applicant: LG Display Co., Ltd.

Inventor： JoonYoung Heo ,  YoungMi Kim ,  YongMin Park ,  Yoonseob Jeong

IPC: H01L51/54 ,  H01L51/52 ,  H01L51/50

CPC classification number: H01L51/5221 ,  H01L2251/306 ,  H01L2251/308 ,  H01L2251/5346

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.

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。

公开(公告)号：US09263502B2

公开(公告)日：2016-02-16

申请号：US14095520

申请日：2013-12-18

Applicant: LG Display Co., Ltd.

Inventor： JoonYoung Heo

IPC: H01L27/32 ,  H01L51/50 ,  H01L51/52

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。

公开(公告)号：US11917846B2

公开(公告)日：2024-02-27

申请号：US17825099

申请日：2022-05-26

Applicant: LG Display Co., Ltd.

Inventor： JoonYoung Heo ,  YongMin Park ,  KyungHoon Lee ,  YoungHoon Son

IPC: H10K50/818 ,  H10K50/125 ,  H10K59/12 ,  H10K71/00

CPC classification number: 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.

公开(公告)号：US11282897B2

公开(公告)日：2022-03-22

申请号：US16525379

申请日：2019-07-29

Applicant: LG Display Co., Ltd.

Inventor： YoungHoon Son ,  JoonYoung Heo ,  YongMin Park ,  HyunMin Park

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/50

Abstract: A display device comprises a first substrate having a plurality of subpixels; a lower electrode disposed in each of the plurality of subpixels on the first substrate; a light emitting layer provided on the lower electrode; and an upper electrode disposed on the light emitting layer, wherein the light emitting layer includes a photoisomerized material.

公开(公告)号：US11276742B2

公开(公告)日：2022-03-15

申请号：US16653146

申请日：2019-10-15

Applicant: LG Display Co., Ltd.

Inventor： JoonYoung Heo

IPC: H01L27/32 ,  H01L51/56 ,  H01L51/52

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.

公开(公告)号：US10714544B2

公开(公告)日：2020-07-14

申请号：US15642192

申请日：2017-07-05

Applicant: LG Display Co., Ltd.

Inventor： Yeonsuk Kang ,  JoonYoung Heo ,  YongBaek Lee

IPC: G06F3/041 ,  H01L27/32 ,  H01L51/52 ,  G06F3/044 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/3225

Abstract: Disclosed is a display device with integrated touch screen, in which a resistance of a touch electrode is reduced by using a black matrix. The display device includes an organic light emitting device layer disposed on a substrate, a plurality of color filters disposed on the organic light emitting device layer, a black matrix disposed to overlap a boundary portion between the plurality of color filters and including a three or more-layered metal layer, and a plurality of first touch electrodes and a plurality of second touch electrodes disposed on the black matrix.

公开(公告)号：US10553652B2

公开(公告)日：2020-02-04

申请号：US15669489

申请日：2017-08-04

Applicant: LG DISPLAY CO., LTD.

Inventor： JongSung Kim ,  JoonYoung Heo

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/50

Abstract: Disclosed is an organic light emitting display device including a thin film transistor on a substrate, a planarization layer on the thin film transistor, a contact hole passing through the planarization layer to expose a source or drain electrode of the thin film transistor, a first electrode on the planarization layer, the first electrode being connected to the source or drain electrode of the thin film transistor through the contact hole, a hole between the first electrode and another first electrode adjacent thereto, the hole being a recessed portion of the planarization layer, a pixel defining layer covering the first electrode passing through the contact hole and the planarization layer disposed in the hole, a light emitting layer on the first electrode and the pixel defining layer, and a second electrode on the light emitting layer.

公开(公告)号：US10355232B2

公开(公告)日：2019-07-16

申请号：US15688079

申请日：2017-08-28

Applicant: LG DISPLAY CO., LTD.

Inventor： JoonYoung Heo ,  KyungHoon Lee ,  Jang Jo

IPC: H01L27/32 ,  H01L51/52 ,  H01L21/02 ,  H01L51/50

Abstract: Disclosed are an organic light emitting display device and a method of manufacturing the same, in which in a white organic light emitting device, an adverse influence of a leakage current leaked through an organic light emitting layer is minimized on an adjacent pixel. The organic light emitting display device includes a first electrode on a substrate, a bank covering a portion of the first electrode, a bank hole provided in the bank, an organic light emitting layer on the first electrode and the bank, and a second electrode on the organic light emitting layer.

公开(公告)号：US10310650B2

公开(公告)日：2019-06-04

申请号：US15644507

申请日：2017-07-07

Applicant: LG Display Co., Ltd.

Inventor： JoonYoung Heo ,  Yeonsuk Kang

IPC: G06F3/041 ,  H01L27/32 ,  H01L51/52

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.

公开(公告)号：US09508955B2

公开(公告)日：2016-11-29

申请号：US14983341

申请日：2015-12-29

Applicant: LG Display Co., Ltd.

Inventor： JoonYoung Heo ,  YoungMi Kim ,  YongMin Park ,  Yoonseob Jeong

IPC: H01L51/44 ,  H01L51/52 ,  H01L51/50

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。