公开(公告)号：US20210066638A1

公开(公告)日：2021-03-04

申请号：US17011695

申请日：2020-09-03

Applicant: LG DISPLAY CO., LTD.

Inventor： Jae-Hyun PARK

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

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：US20190079624A1

公开(公告)日：2019-03-14

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

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.

公开(公告)号：US20180113248A1

公开(公告)日：2018-04-26

申请号：US15789114

申请日：2017-10-20

Applicant: LG Display Co., Ltd.

Inventor： Jae-Hyun PARK ,  Sang-Hyun LEE ,  Chi-Yong KIM

IPC: F21V8/00 ,  H01L25/13

CPC classification number: G02B6/009 ,  G02B6/0068 ,  G02B6/0073 ,  G02B6/0083 ,  G02B6/0086 ,  H01L25/13 ,  H01L33/483 ,  H01L33/54

Abstract: A liquid crystal display device includes a liquid crystal panel and a light guide plate below the liquid crystal panel. The liquid crystal display device also includes first and second LED packages that are arranged alternately along a light entering surface of the light guide plate. Additionally, the liquid crystal display device includes a printed circuit board that has first and second portions facing each other and at which the first and second LED packages are mounted, respectively. The printed circuit board also includes a third portion, in a bent state, which connects an end of the first portion in a lengthwise direction, and an end of the second portion in a lengthwise direction. The liquid crystal display device further includes a first guide portion that is located at an outer side of the first and second LED packages. The first guide portion is interposed between and attached to the first and second portions.

公开(公告)号：US20170058129A1

公开(公告)日：2017-03-02

申请号：US15245374

申请日：2016-08-24

Applicant: LG DISPLAY CO., LTD.

Inventor： Jae-Hyun PARK ,  Wy-Yong KIM ,  Chang-Woo CHUN

IPC: C09D4/00 ,  G06F3/041

Abstract: Described herewith is a hard-coating layer comprising a binder; and a silicon compound dispersed in the binder and including a disulfide group conncecting adjacent siloxane groups, a method of manufacturing the hard-coating layer, and a display device included the same.

Abstract translation: 这里描述的是包含粘合剂的硬涂层; 以及分散在粘合剂中的硅化合物，包括连接相邻的硅氧烷基团的二硫基团，硬涂层的制造方法以及包含该硅化合物的显示装置。

公开(公告)号：US20150188092A1

公开(公告)日：2015-07-02

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：US20180149905A1

公开(公告)日：2018-05-31

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

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：US20140043284A1

公开(公告)日：2014-02-13

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

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.

Abstract translation: 提供具有触摸屏的显示装置及其驱动方法。 在一种驱动显示装置的方法中，该方法包括：根据输入的触摸信号，包括包括多个感测电极线和驱动电极线的触摸屏并作为电磁触摸模式或电容触摸模式操作的显示装置，该方法包括： 信号，控制是否在感测电极线之间连接感测电极线对，以及根据触摸信号来控制是否连接驱动电极线中的一对驱动电极线。

公开(公告)号：US20200161577A1

公开(公告)日：2020-05-21

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：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.