公开(公告)号：US20220376200A1

公开(公告)日：2022-11-24

申请号：US17876447

申请日：2022-07-28

Applicant: LG DISPLAY CO., LTD. ,  Korea Advanced Institute of Science and Technology

Inventor： Kyu-Nam KIM ,  Duk-Young JEON ,  Hyun-Jin CHO ,  Sun-Joong PARK

IPC: H01L51/50 ,  H01L51/56 ,  H01L51/00

Abstract: The present disclosure provides a quantum dot (QD) light emitting diode including: a first electrode; a second electrode facing the first electrode; a QD emitting material layer positioned between the first electrode and the second electrode and including a QD and an organic material; a hole auxiliary layer positioned between the first electrode and the QD emitting material layer; and an electron auxiliary layer positioned between the QD emitting material layer and the second electrode, wherein the organic material has a highest occupied molecular orbital (HOMO) level higher than a material of the hole auxiliary layer.

公开(公告)号：US20150146452A1

公开(公告)日：2015-05-28

申请号：US14552028

申请日：2014-11-24

Applicant: LG DISPLAY CO., LTD.

Inventor： Kyu-Nam KIM ,  Jin-Wuk KIM ,  Byung-Geol KIM ,  Sung-Woo KIM ,  Kyung-Kook JANG ,  Hee-Yeol KIM ,  Sung-Il WOO

IPC: F21V9/14 ,  H01L51/00 ,  F21V8/00

CPC classification number: C09K11/883 ,  B82Y20/00 ,  F21V9/14 ,  G02B6/0056 ,  G02F2/02 ,  Y10S977/762 ,  Y10S977/95

Abstract: A quantum rod luminescent display device includes a first substrate having a plurality of pixel regions; a plurality of first electrodes alternately arranged with a plurality of second electrodes in each of the plurality of pixel regions; a plurality of quantum rod compound layers over the first electrodes and the second electrodes, respectively in each of the plurality of pixel regions, each of the quantum rod compound layers including a quantum rod having a core, a shell surrounding the core, and an electron acceptor; a second substrate facing the first substrate; and a backlight unit at an outer surface of the first substrate. The electron acceptor is attached to or adjacent to the quantum rod.

Abstract translation: 量子棒发光显示装置包括具有多个像素区域的第一基板; 多个第一电极，在多个像素区域的每一个中与多个第二电极交替排列; 分别在多个像素区域的每个中的第一电极和第二电极上的多个量子棒化合物层，每个量子棒复合层包括具有芯的量子棒，围绕芯的壳和电子 受体; 面对所述第一基板的第二基板; 以及在所述第一基板的外表面处的背光单元。 电子受体附着在量子棒上或与量子棒相邻。

公开(公告)号：US20180166643A1

公开(公告)日：2018-06-14

申请号：US15837991

申请日：2017-12-11

Applicant: LG Display Co., Ltd.

Inventor： Byung-Geol KIM ,  Wy-Yong KIM ,  Kyu-Nam KIM

IPC: H01L51/50 ,  H01L51/52

CPC classification number: H01L51/502 ,  H01L27/3225 ,  H01L27/3262 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5262 ,  H01L51/5275 ,  H01L2251/5361

Abstract: A quantum light emitting diode comprises a first electrode; a second electrode facing the first electrode; a light-amount enhancing layer between the first and second electrodes and having a structure guiding emitted light toward an emitting side; and an emitting material layer between the light-amount enhancing layer and the second electrode and including a quantum particle at the structure of the light-amount enhancing layer.

公开(公告)号：US20160137920A1

公开(公告)日：2016-05-19

申请号：US14935294

申请日：2015-11-06

Applicant: LG Display Co., Ltd.

Inventor： Kyu-Nam KIM ,  Jin-Wuk KIM ,  Byung-Geol KIM ,  Kyung-Kook JANG ,  Hee-Yeol KIM ,  Sung-Il WOO ,  Tae-Yang LEE

IPC: C09K11/88 ,  G02F1/17 ,  B05D3/14 ,  C09K11/54 ,  C09K11/56 ,  G02F1/01 ,  C09K11/02

CPC classification number: C09K11/883 ,  B05D3/14 ,  C09K11/02 ,  C09K11/54 ,  C09K11/562 ,  C09K11/565 ,  C09K11/881 ,  C09K11/89 ,  C09K19/24 ,  C09K19/3852 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/2035 ,  C09K2219/03 ,  G02F1/0136 ,  G02F1/0316 ,  G02F1/172 ,  G02F2/02 ,  G02F2201/086 ,  G02F2201/124 ,  G02F2202/01 ,  G02F2202/023 ,  G02F2202/046 ,  G02F2202/106 ,  G02F2202/108 ,  G02F2202/36 ,  G02F2203/34

Abstract: Embodiments relate to a quantum rod composition, a quantum rod film, a display device with a quantum rod film, and a method of forming a quantum rod film. The quantum rod film includes a plurality of quantum rods and a polymer with a dipole side chain. Responsive to an external electric field, the major axis of the quantum rods and an axis of the dipole side chain arranges in the same direction. The display device includes a plurality of pixel and common electrodes for generating an electric field, and a backlight unit positioned under a first substrate. Responsive to receiving light from the backlight unit, the quantum rod film emits light polarized in a direction parallel to the major axis of the quantum rods.

Abstract translation: 实施例涉及量子棒组合物，量子棒膜，具有量子棒膜的显示装置和形成量子棒膜的方法。 量子棒膜包括多个量子棒和具有偶极子侧链的聚合物。 响应于外部电场，量子棒的长轴和偶极子侧链的轴排列在相同的方向。 显示装置包括用于产生电场的多个像素和公共电极以及位于第一基板下方的背光单元。 响应于从背光单元接收光，量​​子棒膜发射在与量子棒的长轴平行的方向上偏振的光。

公开(公告)号：US20190157566A1

公开(公告)日：2019-05-23

申请号：US16193715

申请日：2018-11-16

Applicant: LG Display Co., Ltd.

Inventor： Young-Ju RYU ,  Kyu-Nam KIM ,  Jae-Hyun PARK

IPC: H01L51/00 ,  C07D495/04

Abstract: Compounds, and polymers thereof, useful dopants for light emitting diodes and light emitting display devices are disclosed. The compounds have the following structure Formula 1: wherein R1, R2, R3, R4, L1, L2, L3, L4, a, b, c and d are as defined herein. Light emitting diodes including compounds of Formula 1 (and polymers thereof, i.e., compounds of Formula 3), light emitting devices including the same as well as methods associated with preparation and use of such compounds, polymers and devices are also provided.

公开(公告)号：US20190115550A1

公开(公告)日：2019-04-18

申请号：US16161802

申请日：2018-10-16

Applicant: LG DISPLAY CO., LTD.

Inventor： Kyu-Nam KIM ,  Hye-Li MIN ,  Min-Surk HYUNG

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

Abstract: A quantum dot, a quantum dot light emitting diode and a quantum dot display device are discussed. The quantum dot includes a first core including a first semiconductor material, a first shell positioned at an outer side of the first core and including a second semiconductor material, and a second core positioned between the first core and the first shell and including one of the first and second semiconductor materials and a doping metal.

公开(公告)号：US20170058194A1

公开(公告)日：2017-03-02

申请号：US15249302

申请日：2016-08-26

Applicant: LG Display Co., Ltd.

Inventor： Kyung-Kook JANG ,  Byung-Geol KIM ,  Wy-Yong KIM ,  Kyu-Nam KIM ,  Hee-Yeol KIM ,  Sung-Il WOO ,  Do-Hyung KIM ,  Tae-Yang LEE

IPC: C09K11/70 ,  H01L27/15 ,  C09K11/02 ,  C09K11/88 ,  C09K11/56 ,  G02F1/1335 ,  H01L33/50

CPC classification number: C09K11/883 ,  B82Y20/00 ,  B82Y40/00 ,  C09K11/02 ,  C09K11/025 ,  C09K11/0883 ,  C09K11/565 ,  C09K11/70 ,  C09K11/885 ,  G02F1/1336 ,  G02F1/133603 ,  G02F1/133609 ,  G02F1/1368 ,  G02F2001/133614 ,  G02F2202/36 ,  H01L27/15 ,  H01L27/322 ,  H01L33/502 ,  H01L33/504 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2224/48257 ,  H01L2924/181 ,  H01L2933/0083 ,  H05B33/14 ,  Y10S977/774 ,  Y10S977/825 ,  Y10S977/89 ,  Y10S977/95 ,  Y10S977/952 ,  H01L2924/00014 ,  H01L2924/00012

Abstract: A quantum dot includes a seed and a core enclosing the seed. The core is grown from the seed to improve size uniformity of the core. The seed includes a first compound without Cd. The first compound may be GaP. The core may include a second compound including elements from group XIII and group XV. The second compound may be InP. The quantum dot may also include a first shell of a third compound enclosing the core. The third compound may be ZnSe or ZnS. The quantum dot may also include a second shell of a fourth compound enclosing the first shell. The fourth compound may be ZnS when the third compound is ZnSe. Embodiments also relate to a quantum dot including first to third elements selected from XIII group elements and XV group elements and fourth to sixth elements selected from XII group elements and XVI group elements.

Abstract translation: 量子点包括种子和封闭种子的核心。 核心从种子生长以提高核心的尺寸均匀性。 种子包括没有Cd的第一种化合物。 第一种化合物可以是GaP。 核心可以包括第二化合物，包括来自第ⅩⅢ族和第ⅩⅤ族的元素。 第二种化合物可以是InP。 量子点还可以包括封装芯的第三化合物的第一壳。 第三化合物可以是ZnSe或ZnS。 量子点还可以包括封闭第一壳体的第四化合物的第二壳体。 当第三种化合物是ZnSe时，第四种化合物可以是ZnS。 实施例还涉及包括选自XIII族元素和XV族元素的第一至第三元素和从XII族元素和XVI族元素中选择的第四至第六元素的量子点。

公开(公告)号：US20180102493A1

公开(公告)日：2018-04-12

申请号：US15724374

申请日：2017-10-04

Applicant: LG DISPLAY CO., LTD.

Inventor： Sung-Il WOO ,  Byung-Geol KIM ,  Kyu-Nam KIM ,  Kyung-Kook JANG ,  Tae-Yang LEE

IPC: H01L51/50 ,  H01L33/06

CPC classification number: H01L51/502 ,  G02F1/1335 ,  G02F1/133504 ,  G02F1/174 ,  G02F2/02 ,  G02F2202/34 ,  G02F2202/36 ,  G02F2203/34 ,  H01L27/15 ,  H01L33/06 ,  H01L33/501 ,  H01L33/507

Abstract: A quantum rod panel includes a first substrate and a second substrate facing each other, a pixel electrode and a common electrode over the first substrate and spaced apart from each other, and a quantum rod layer between the pixel electrode and the common electrode and including quantum rods and metal particles.

公开(公告)号：US20180074254A1

公开(公告)日：2018-03-15

申请号：US15702187

申请日：2017-09-12

Applicant: LG DISPLAY CO., LTD.

Inventor： Kyung-Kook JANG ,  Byung-Geol KIM ,  Wy-Yong KIM ,  Kyu-Nam KIM ,  Sung-Il WOO

IPC: F21V8/00 ,  G02F1/1335 ,  H01L21/02 ,  H01L33/50 ,  H01L51/00 ,  H01L51/52 ,  C08K3/28 ,  G02B5/30 ,  G09F9/30 ,  H01L31/0352

CPC classification number: H01L31/035209 ,  C08K3/28 ,  C09K11/00 ,  C09K11/02 ,  C09K11/0811 ,  C09K11/56 ,  C09K11/883 ,  G02B5/3025 ,  G02B6/0056 ,  G02F1/1335 ,  G09F9/30 ,  H01L21/02474 ,  H01L21/02477 ,  H01L21/02521 ,  H01L21/02557 ,  H01L21/0256 ,  H01L21/02603 ,  H01L21/02628 ,  H01L33/50 ,  H01L33/502 ,  H01L51/0094 ,  H01L51/5203

Abstract: A quantum rod, a synthesis method of the quantum rod and a quantum rod display device are discussed. The quantum rod according to an embodiment includes a core, a first shell covering the core, and a second shell covering a side of the first shell. In the quantum rod, a first thickness of the first shell is greater than a second thickness of the second shell, and a first length of the first shell is smaller than a second length of the second shell.

公开(公告)号：US20160075943A1

公开(公告)日：2016-03-17

申请号：US14956051

申请日：2015-12-01

Applicant: LG DISPLAY CO., LTD.

Inventor： Kyu-Nam KIM ,  Jin-Wuk KIM ,  Byung-Geol KIM ,  Sung-Woo KIM ,  Kyung-Kook JANG ,  Hee-Yeol KIM ,  Sung-Il WOO

IPC: C09K11/88

CPC classification number: C09K11/883 ,  B82Y20/00 ,  F21V9/14 ,  G02B6/0056 ,  G02F2/02 ,  Y10S977/762 ,  Y10S977/95

Abstract: A quantum rod luminescent display device includes a first substrate having a plurality of pixel regions; a plurality of first electrodes alternately arranged with a plurality of second electrodes in each of the plurality of pixel regions; a plurality of quantum rod compound layers over the first electrodes and the second electrodes, respectively in each of the plurality of pixel regions, each of the quantum rod compound layers including a quantum rod having a core, a shell surrounding the core, and an electron acceptor; a second substrate facing the first substrate; and a backlight unit at an outer surface of the first substrate. The electron acceptor is attached to or adjacent to the quantum rod.

Abstract translation: 量子棒发光显示装置包括具有多个像素区域的第一基板; 多个第一电极，在多个像素区域的每一个中与多个第二电极交替排列; 分别在多个像素区域的每个中的第一电极和第二电极上的多个量子棒化合物层，每个量子棒复合层包括具有芯的量子棒，围绕芯的壳和电子 受体; 面对所述第一基板的第二基板; 以及在所述第一基板的外表面处的背光单元。 电子受体附着在量子棒上或与量子棒相邻。