公开(公告)号：US10698241B2

公开(公告)日：2020-06-30

申请号：US15823034

申请日：2017-11-27

Applicant: LG DISPLAY CO., LTD.

Inventor： Hye-Li Min ,  Jae-Hyun Park ,  Chang-Woo Chun

IPC: G02F1/1333 ,  C07F7/21 ,  C07F11/00 ,  G02B1/14 ,  G02B6/00 ,  C07F7/08 ,  B29D11/00 ,  G02F1/13357 ,  G02F1/1343

Abstract: A liquid crystal display device includes a liquid crystal panel; and a backlight unit disposed at one side of the liquid crystal panel. The backlight unit includes a prism sheet, which comprises a base and a plurality of prism patterns arranged on the base and a binder and a silicon compound having adjacent siloxane moieties linked via a diselenide group, and a light source disposed at a lower portion of the prism sheet. In the liquid crystal display device, the prism sheet is disposed between the light source and the liquid crystal panel.

公开(公告)号：US20190081263A1

公开(公告)日：2019-03-14

申请号：US16129123

申请日：2018-09-12

Applicant: LG Display Co., Ltd.

Inventor： Jae-Hyun Park ,  Kyu-Nam Kim ,  Young-Ju Ryu

IPC: H01L51/50 ,  H01L51/52

CPC classification number: H01L51/502 ,  B82Y20/00 ,  B82Y40/00 ,  G01N33/588 ,  G02B6/0229 ,  H01L21/02601 ,  H01L25/167 ,  H01L27/124 ,  H01L31/035218 ,  H01L33/06 ,  H01L51/426 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5092 ,  H01L51/5218 ,  H01L51/5221

Abstract: The present disclosure is directed to quantum dots comprising a core-shell structure and a novel arrangement of ligands thereon. Light emitting diodes including the quantum dots, light emitting devices including the same as well as methods associated with preparation and use of such compounds and devices are also provided.

公开(公告)号：US09619086B2

公开(公告)日：2017-04-11

申请号：US13727810

申请日：2012-12-27

Applicant: LG DISPLAY CO., LTD.

Inventor： Jae-Hyun Park ,  Jung-Seok Seo

IPC: G06F3/044 ,  G06F3/046 ,  G06F3/041

CPC classification number: G06F3/044 ,  G06F3/0416 ,  G06F3/046 ,  G06F2203/04106

Abstract: A display device with a touch screen and a method of driving the same are provided. In a method of driving a display device including a touch screen including a plurality of sensing electrode lines and driving electrode lines and operating as an electromagnetic touch mode or a capacitive touch mode according to an input touch signal, the method includes: determining the input touch signal, controlling whether to connect pairs of sensing electrode lines among the sensing electrode lines, and controlling whether to connect pairs of driving electrode lines among the driving electrode lines, according to the touch signal.

公开(公告)号：US11437598B2

公开(公告)日：2022-09-06

申请号：US17011695

申请日：2020-09-03

Applicant: LG DISPLAY CO., LTD.

Inventor： Jae-Hyun Park

IPC: H01L51/50 ,  C09K11/88 ,  H01L51/00 ,  H01L27/32

Abstract: The present disclosure relates to a light emitting diode (LED) that includes a charge control layer made of metal component and disposed between a first electrode and a second electrode and a light emitting device including the diode. Charges can be injected into an emitting material layer of the LED in a balanced manner, thus the luminous efficiency and a luminous lifetime of the LED and the light emitting device can be improved.

公开(公告)号：US10944067B2

公开(公告)日：2021-03-09

申请号：US16689919

申请日：2019-11-20

Applicant: LG Display Co., Ltd.

Inventor： Ji-Yeon Kang ,  Min-Jee Kim ,  Jae-Hyun Park

IPC: H01L51/50

Abstract: A quantum dot light emitting diode comprises first and second electrodes facing each other; a hole injection layer disposed between the first electrode and the second electrode and having a first HOMO level; a first hole transporting layer disposed between the hole injection layer and the second electrode and having a second HOMO level that is lower than the first HOMO level; a second hole transporting layer disposed between the first hole transporting layer and the second electrode and having a third HOMO level that is lower than the second HOMO level; and a quantum dot light emitting layer disposed between the second hole transporting layer and the second electrode and having a fourth HOMO level that is lower than the third HOMO level, wherein a difference between the first HOMO level and the second HOMO level is greater than a difference between the second HOMO level and the third HOMO level and less than a difference between the third HOMO level and the fourth HOMO level.

公开(公告)号：US10439155B2

公开(公告)日：2019-10-08

申请号：US16129123

申请日：2018-09-12

Applicant: LG Display Co., Ltd.

Inventor： Jae-Hyun Park ,  Kyu-Nam Kim ,  Young-Ju Ryu

IPC: H01L51/50 ,  H01L51/52 ,  G01N33/58 ,  H01L51/42 ,  H01L33/06 ,  G02B6/02 ,  H01L31/0352 ,  H01L25/16 ,  H01L21/02 ,  B82Y20/00 ,  H01L27/12

Abstract: The present disclosure is directed to quantum dots comprising a core-shell structure and a novel arrangement of ligands thereon. Light emitting diodes including the quantum dots, light emitting devices including the same as well as methods associated with preparation and use of such compounds and devices are also provided.

公开(公告)号：US09431633B2

公开(公告)日：2016-08-30

申请号：US14582674

申请日：2014-12-24

Applicant: LG DISPLAY CO., LTD.

Inventor： Jae-Hyun Park ,  Jae-Jung Han ,  Sun-Man Kim ,  Eun-Hee Choi

IPC: H01L51/52 ,  H01L27/32

CPC classification number: H01L51/5271 ,  H01L27/3244 ,  H01L51/52 ,  H01L51/5275 ,  H01L51/5281

Abstract: Disclosed is an organic light emitting diode display device having improved light extraction efficiency and display quality. The organic light emitting diode display device includes a plurality of sub-pixels including organic light emitting cells arranged in an inner side of a substrate, a groove formed between neighboring sub-pixels, and a light extraction pattern formed over an outer surface of the substrate.

Abstract translation: 公开了一种具有提高的光提取效率和显示质量的有机发光二极管显示装置。 有机发光二极管显示装置包括多个子像素，其包括布置在基板的内侧的有机发光单元，在相邻的子像素之间形成的沟槽和形成在基板的外表面上的光提取图案 。

公开(公告)号：US11903307B2

公开(公告)日：2024-02-13

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: H10K85/60 ,  C07D495/04 ,  H10K50/115 ,  H10K50/15

CPC classification number: H10K85/636 ,  C07D495/04 ,  H10K85/633 ,  H10K50/115 ,  H10K50/156 ,  H10K85/626 ,  H10K85/6572 ,  H10K85/6576

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：US10521038B2

公开(公告)日：2019-12-31

申请号：US16127642

申请日：2018-09-11

Applicant: LG Display Co., Ltd.

Inventor： Soo-Hwan Kim ,  Jae-Hyun Park

IPC: G06F3/041 ,  G06F3/044 ,  G02F1/1362 ,  G02F1/1368 ,  G02F1/1343 ,  G02F1/1333 ,  G02F1/1335 ,  G09G3/36

Abstract: A touch display device includes: a first substrate, a plurality of gate lines and a plurality of data lines on the first substrate, and crossing each other to define a plurality of pixel regions, a plurality of thin film transistors connected to respective ones of the plurality of gate lines and the plurality of data lines, the plurality of thin film transistors being in respective ones of the plurality of pixel regions, and a plurality of bar-shaped sensing electrodes crossing the gate lines, wherein, to determine whether a touch is performed, the touch display device is configured such that: gate signals are transmitted to the plurality of gate lines, a direct current (DC) voltage is applied to the plurality of bar-shaped sensing electrodes, and a change in ripple component of the DC voltage applied to the bar-shaped sensing electrodes is received.