公开(公告)号：US20200081174A1

公开(公告)日：2020-03-12

申请号：US16561494

申请日：2019-09-05

Applicant: Samsung Display Co., Ltd.

Inventor： Taewoo LIM ,  Dongwoo Kim ,  Minsu Kim ,  Cheonjae Maeng ,  Seongyeon Lee ,  Hongbeom Lee

IPC: F21V8/00

Abstract: An optical member including a base substrate, a quantum dot layer disposed on the base substrate and having a first top surface including a lower wrinkle, the quantum dot layer including a medium layer and a plurality of quantum dots dispersed in the medium layer, a lower barrier layer disposed between the base substrate and the quantum dot layer, and an upper barrier layer covering the quantum dot layer, in which the upper barrier layer has a second top surface with an upper wrinkle corresponding to the lower wrinkle of the quantum dot layer.

公开(公告)号：US10935715B2

公开(公告)日：2021-03-02

申请号：US16351244

申请日：2019-03-12

Applicant: Samsung Display Co., Ltd.

Inventor： Keunwoo Park ,  Donggil Son ,  Hongbeom Lee ,  Taewoo Lim ,  Dongwoo Kim ,  Minsu Kim ,  Seongyeon Lee

IPC: G02B6/00 ,  F21V8/00

Abstract: A display device includes: a first light guide plate and a display panel disposed along a first direction; a second light guide plate between the first light guide plate and the display panel to be spaced apart from the first light guide plate; a light source at at least one of one side of the first light guide plate and one side of the second light guide plate; at least one first optical pattern on one of surfaces of the first light guide plate that face each other along the first direction; and at least one second optical pattern on one of surfaces of the second light guide plate that face each other along the first direction, wherein the first optical pattern and the second optical pattern do not overlap each other.

公开(公告)号：US20200089054A1

公开(公告)日：2020-03-19

申请号：US16537648

申请日：2019-08-12

Applicant: Samsung Display Co., Ltd.

Inventor： Taewoo LIM ,  Dongwoo Kim ,  Minsu Kim ,  Cheonjae Maeng ,  Keunwoo Park ,  Seongyeon Lee ,  Hongbeom Lee

IPC: G02F1/1335

Abstract: A display device including an optical member, a display panel disposed above the optical member, and a plurality of light emitting units disposed below the optical member and configured to provide first color light to the optical member, in which the optical member includes a support substrate having upper and surfaces and overlapping the light emitting units, a quantum dot layer disposed on the support substrate and configured to convert the first color light into second color light and third color light, and a filter directly disposed on at least one of the upper surface and the lower surface of the support substrate, and having a first transmittance to the first color light having a first incident angle of 0 degrees and having a second transmittance greater than the first transmittance to the first color light having a second incident angle greater than the first incident angle.

公开(公告)号：US11693172B2

公开(公告)日：2023-07-04

申请号：US16970839

申请日：2018-10-18

Applicant: Samsung Display Co., Ltd.

Inventor： Hongbeom Lee ,  Yeogeon Yoon ,  Tae Woo Lim ,  Jangsoo Kim ,  Dongwoo Kim ,  Min Su Kim ,  Keunwoo Park ,  Seongyeon Lee

IPC: F21V8/00 ,  B23K26/402

CPC classification number: G02B6/0053 ,  B23K26/402 ,  G02B6/005 ,  G02B6/0086

Abstract: A display apparatus includes a light source, a display panel, a light guide member, and an optical member. The light source is configured to generate light. The display panel is configured to display an image. The light guide member includes at least one surface adjacent to the light source. The optical member is between the light guide member and the display panel. The optical member includes a low refractive layer, a first cover layer, and a light conversion layer. The low refractive layer is on a light output surface of the light guide member and includes side surfaces. The first cover layer is on the low refractive layer and surrounds at least a portion of the side surfaces of the low refractive layer. The light conversion layer is on the first cover layer and is configured to covert a wavelength band of incident light.

公开(公告)号：US20200073040A1

公开(公告)日：2020-03-05

申请号：US16542365

申请日：2019-08-16

Applicant: Samsung Display Co., Ltd.

Inventor： Seongyeon LEE ,  Taewoo Lim ,  Dongwoo Kim ,  Minsu Kim ,  Cheonjae Maeng ,  Keunwoo Park ,  Hongbeom Lee

IPC: F21V8/00

Abstract: A light source member including a guide panel, a light source disposed adjacent to at least one side of the guide panel, a low refractive layer disposed on the guide panel, and a color converting layer disposed on the low refractive layer and including a base resin and a quantum dot dispersed in the base resin, in which the low refractive layer includes a matrix part, a plurality of low refractive substances dispersed in the matrix part, and a void disposed in the matrix part, and an area occupied by the void is less than about 20% of an entire area of the low refractive layer.

公开(公告)号：US10515605B2

公开(公告)日：2019-12-24

申请号：US15887018

申请日：2018-02-02

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hongbeom Lee ,  Jihoon Shin ,  Yeunmo Yeon ,  Eunkyung Kim ,  Minho Park ,  Chowon Park ,  Yina Yun

IPC: G09G3/36 ,  G02F1/1362 ,  G02F1/1337

Abstract: A display device includes: a substrate; a gate line, a dummy gate line, a data line, a dummy data line, a pixel electrode, and a dummy pixel electrode, each disposed on the substrate; a switching element connected to the gate line, the data line, and the pixel electrode; a dummy switching element connected to the dummy gate line, the dummy data line, and the dummy pixel electrode; a compensation circuit detecting a change amount of a drain current based on drain currents generated from the dummy pixel at different time points, and detecting a change amount of a gate voltage of the dummy switching element based on the change amount of the drain current; a power supply circuit outputting a corrected gate-off voltage based on the change amount of the gate voltage; and a gate driver applying the corrected gate-off voltage to the gate line.

公开(公告)号：US09865624B2

公开(公告)日：2018-01-09

申请号：US15057719

申请日：2016-03-01

Applicant: Samsung Display Co., LTD.

Inventor： Hongbeom Lee ,  Kyounghae Min ,  Hoyong Shin ,  Jihoon Shin

IPC: H01L27/12 ,  G02F1/1362 ,  G02F1/1343

CPC classification number: H01L27/124 ,  G02F1/13624 ,  G02F1/136286 ,  G02F2001/134345

Abstract: A liquid crystal display includes a gate line and a data line disposed on a substrate, a reference voltage line aligned with the data line, and a plurality of pixels arranged substantially in a matrix form. In such a liquid crystal display, each pixel includes a first sub-pixel, a second sub-pixel, and a driving unit electrically connected to the gate line, the data line and the reference voltage line. In such a liquid crystal display, one reference voltage line is disposed between two adjacent pixels.

公开(公告)号：US20240081094A1

公开(公告)日：2024-03-07

申请号：US18315971

申请日：2023-05-11

Applicant: Samsung Display Co., Ltd.

Inventor： Hongbeom Lee ,  Jeongho Lee ,  Swaehyun Kim ,  Youhan Moon ,  Yeonju Seo

IPC: H10K50/844 ,  H01L27/12 ,  H10K59/121 ,  H10K59/124 ,  H10K59/88

CPC classification number: H10K50/844 ,  H01L27/1218 ,  H10K59/1213 ,  H10K59/124 ,  H10K59/88 ,  H10K59/40

Abstract: A display panel includes: a substrate including: a first area; a second area; and a third area between the first and second areas; a light emitting diode at the second area; an encapsulation layer over the light emitting diode; first and second partition walls at the third area; a first separator between the second partition wall and the first area; a second separator between the first separator and the first area; and a first groove between the first separator and the second separator. Each of the first and second separators includes: a first metal pattern layer; a first inorganic pattern layer; a second metal pattern layer; a second inorganic pattern layer; a third metal pattern layer; and a third inorganic pattern layer. An end portion of each of the first, second, and third inorganic pattern layers includes a tip extending toward a center of the first groove.

公开(公告)号：US20230200197A1

公开(公告)日：2023-06-22

申请号：US17824709

申请日：2022-05-25

Applicant: Samsung Display Co., Ltd.

Inventor： Wonjang Ki ,  Dongwook Kim ,  Jinho Kim ,  Hyejin Kim ,  Hyekyung Lee ,  Hongbeom Lee ,  Soyul Jeon ,  Eyoon Choi

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

CPC classification number: H01L51/56 ,  H01L27/3258 ,  H01L51/5253 ,  H01L2227/323

Abstract: A method of manufacturing a display panel includes preparing a substrate including a first area, a second area surrounding the first area, and a third area disposed between the first area and the second area, forming a first organic insulating layer in the third area, forming a metal material layer in the third area on the first organic insulating layer, forming a mask layer on the metal material layer, the mask layer comprising a first portion and a second portion spaced apart from each other, removing the metal material layer and the first organic insulating layer exposed by the mask layer by using the mask layer as a mask, and forming a light-emitting diode in the second area.

公开(公告)号：US10950813B2

公开(公告)日：2021-03-16

申请号：US16565137

申请日：2019-09-09

Applicant: Samsung Display Co., Ltd.

Inventor： Hongbeom Lee ,  Young-hoon Lee ,  Taewoo Lim ,  Hongkee Jung ,  Dongwoo Kim ,  Wontae Kim ,  Cheonjae Maeng ,  Keunwoo Park ,  Seongyeon Lee ,  Minsu Kim ,  Dongil Son

IPC: H01L51/00 ,  H01L51/50 ,  H01L51/52 ,  H01L27/32

Abstract: An optical modifier may include a color controller including quantum dots, a barrier layer encapsulating the color controller, and a low refractive layer spaced apart from the color controller with the barrier layer interposed between the color controller and the barrier layer. The barrier layer may have a layer density ranging from 1.50 g/cm3 to 3.0 g/cm3.