公开(公告)号：US09658496B2

公开(公告)日：2017-05-23

申请号：US14922445

申请日：2015-10-26

Applicant: SAMSUNG DISPLAY CO., LTD

Inventor： Tae Jin Kong ,  Sang Gyun Kim ,  Taek Joon Lee

IPC: G02F1/1337 ,  G02F1/139

CPC classification number: G02F1/133788 ,  G02F1/133711 ,  G02F1/1393 ,  G02F2001/133715 ,  G02F2001/133726

Abstract: A manufacturing method of a liquid crystal display according to an exemplary embodiment of the present invention includes: a step of preparing a lower panel in which a pixel electrode is formed and which is coated with a lower alignment layer including reactive mesogen; a step of preparing an upper panel in which a common electrode is formed and which is coated with an upper alignment layer including reactive mesogen; a step of forming a display panel assembly by injecting a liquid crystal between the lower panel and the upper panel and bonding the lower panel and the upper panel; a step of pre-tilting the liquid crystal by applying a voltage to the display panel assembly and primarily irradiating ultraviolet rays having a wavelength of 310 nm to 380 nm; and a step of removing remaining reactive mesogen by secondarily irradiating ultraviolet rays having a wavelength of 300 nm to 360 nm to the display panel assembly.

公开(公告)号：US11937472B2

公开(公告)日：2024-03-19

申请号：US17445471

申请日：2021-08-19

Applicant: Samsung Display Co., Ltd. ,  POSTECH ACADEMY-INDUSTRY FOUNDATION

Inventor： Sang Gab Kim ,  Hyun Min Cho ,  Tae Sung Kim ,  Yu-Gwang Jeong ,  Su Bin Bae ,  Jin Seock Kim ,  Sang Gyun Kim ,  Hyo Min Ko ,  Kil Won Cho ,  Hansol Lee

IPC: H10K59/131 ,  H10K59/12 ,  H10K71/00 ,  H10K102/00

CPC classification number: H10K59/131 ,  H10K59/1201 ,  H10K71/00 ,  H10K2102/341

Abstract: An manufacturing method of a display device may include the following steps: forming a transistor on a substrate; forming an insulating layer on the transistor; forming a conductive layer including silver on the insulating layer; forming a photosensitive member on the conductive layer; forming an electrode of a light-emitting element by etching the conductive layer; performing plasma treatment on a structure that comprises the electrode, the plasma treatment using a gas including a halogen; and removing a product that is resulted from the plasma treatment.

公开(公告)号：US11864405B2

公开(公告)日：2024-01-02

申请号：US17403897

申请日：2021-08-17

Applicant: Samsung Display Co., Ltd.

Inventor： Sang Gyun Kim ,  Il Soo Oh ,  Bo Ra Lee

IPC: H01L29/08 ,  H10K50/824 ,  H10K50/15 ,  H10K59/124 ,  H10K71/00

CPC classification number: H10K50/824 ,  H10K50/157 ,  H10K59/124 ,  H10K71/00

Abstract: A display device includes: a substrate; a transistor that is disposed on the substrate; an auxiliary electrode that is connected with the transistor; a first electrode that is disposed on a same layer as the auxiliary electrode; a light emitting diode layer that is disposed on the first electrode; and a second electrode that is disposed on the light emitting diode layer, wherein the second electrode contacts the auxiliary electrode at a side surface thereof.

公开(公告)号：US09989815B2

公开(公告)日：2018-06-05

申请号：US15005421

申请日：2016-01-25

Applicant: Samsung Display Co. Ltd.

Inventor： Sang Gyun Kim ,  Heung Shik Park ,  Kyung Min Kim ,  Hoon Kim ,  Ki Chul Shin

IPC: G02F1/1343 ,  G02F1/1337

CPC classification number: G02F1/134309 ,  G02F1/133707 ,  G02F1/133788 ,  G02F2001/134345

Abstract: A liquid crystal display device includes an insulating substrate, a data line disposed on the insulating substrate and extended in a first direction, a plurality of pixel electrodes which is disposed on the insulating substrate and in which a slit pattern is defined, a common electrode facing the pixel electrodes, and a liquid crystal layer interposed between the pixel electrodes and the common electrode, where each of the pixel electrodes includes an edge electrode portion and a plurality of branch electrode portions protruding in a direction toward a central portion of the pixel electrode from the edge electrode portion, and at least a portion of the edge electrode portion overlaps the data line.

公开(公告)号：US20220149317A1

公开(公告)日：2022-05-12

申请号：US17463304

申请日：2021-08-31

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sang Gyun Kim ,  Dae Woong Lee ,  Ill Hun Cho

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

Abstract: A display device includes a substrate; a transistor disposed on the substrate; a first electrode connected to the transistor; an auxiliary electrode disposed on the same layer as the first electrode; an emission layer disposed on the first electrode; and a second electrode disposed on the emission layer, wherein the auxiliary electrode includes an opening, and a side surface of the auxiliary electrode and the second electrode are in direct contact at the opening of the auxiliary electrode.

公开(公告)号：US11127807B2

公开(公告)日：2021-09-21

申请号：US16521394

申请日：2019-07-24

Applicant: Samsung Display Co., Ltd. ,  POSTECH ACADEMY-INDUSTRY FOUNDATION

Inventor： Sang Gab Kim ,  Hyun Min Cho ,  Tae Sung Kim ,  Yu-Gwang Jeong ,  Su Bin Bae ,  Jin Seock Kim ,  Sang Gyun Kim ,  Hyo Min Ko ,  Kil Won Cho ,  Hansol Lee

IPC: H01L27/32 ,  H01L51/56

Abstract: An manufacturing method of a display device may include the following steps: forming a transistor on a substrate; forming an insulating layer on the transistor; forming a conductive layer including silver on the insulating layer; forming a photosensitive member on the conductive layer; forming an electrode of a light-emitting element by etching the conductive layer; performing plasma treatment on a structure that comprises the electrode, the plasma treatment using a gas including a halogen; and removing a product that is resulted from the plasma treatment.

公开(公告)号：US10127880B2

公开(公告)日：2018-11-13

申请号：US15180220

申请日：2016-06-13

Applicant: Samsung Display Co. Ltd.

Inventor： Hoon Kim ,  Sang Gyun Kim ,  Tae Jin Kong ,  Kyung Min Kim ,  Kyeong Jong Kim ,  Ki Chul Shin

IPC: G09G5/10 ,  G09G3/36 ,  G02F1/1335 ,  G02F1/1343 ,  G02F1/1368 ,  G02F1/1362 ,  G02F1/1333

Abstract: A liquid-crystal display device includes a display panel connected to first to nth gate lines and first to nth control lines, where n is a natural number greater than one, and a gate driving unit which sequentially applies first to nth gate signals having a first pulse width to the first to nth gate lines, respectively, for a unit frame, where the first to nth control lines are sorted into first to kth control line groups, where k is a natural number greater than one and less than n, the gate driving unit sequentially applies first to kth control signals having a second pulse width to the first to kth control line group, respectively, for the unit frame, and the first pulse width is smaller than the second pulse width.

公开(公告)号：US12245469B2

公开(公告)日：2025-03-04

申请号：US17406068

申请日：2021-08-18

Applicant: Samsung Display Co., LTD.

Inventor： Beom Joon Kim ,  Hyo Min Ko ,  Sang Gyun Kim ,  Bo Ra Lee

IPC: H10K59/124 ,  H10K59/122 ,  H10K59/123 ,  H10K59/12

Abstract: A display device includes a first substrate on which a thin film transistor is disposed, a planarization layer disposed on the first substrate, where the planarization layer includes a plurality of protrusions, a first electrode disposed on the planarization layer, a pixel defining layer disposed on the first electrode, where the pixel defining layer includes a plurality of insulating patterns corresponding to the protrusions, a light emitting layer disposed on the first electrode and the pixel defining layer, and a second electrode disposed on the light emitting layer.

公开(公告)号：US09885917B2

公开(公告)日：2018-02-06

申请号：US14641134

申请日：2015-03-06

Applicant: Samsung Display Co., Ltd.

Inventor： Taek Joon Lee ,  Tae Jin Kong ,  Sang Gyun Kim ,  Su Jeong Kim ,  Seul Gee Lee

IPC: G02F1/1337 ,  G02F1/1343 ,  G02F1/1339 ,  G02F1/1333

CPC classification number: G02F1/133723 ,  G02F1/1339 ,  G02F2001/133311 ,  G02F2001/133388

Abstract: A liquid crystal display panel and a method for manufacturing the same. The liquid crystal display panel includes lower substrate having a first substrate; an upper substrate having a second substrate that is opposite to the first substrate; a liquid crystal layer is disposed between the lower and upper substrates such that liquid crystals are arranged in a first region between the first substrate and the second substrate; and a dam pattern arranged in a second region which surrounds a circumference of the first region as a region between the first substrate and the second substrate, the dam pattern having both a physical barrier function and a chemical barrier function.

公开(公告)号：US09869906B2

公开(公告)日：2018-01-16

申请号：US15354774

申请日：2016-11-17

Applicant: Samsung Display Co. Ltd.

Inventor： Heung Shik Park ,  Sang Gyun Kim ,  Ki Chul Shin ,  Jae Jin Lyu

IPC: G02F1/1343 ,  G02F1/1337 ,  G02F1/1333

CPC classification number: G02F1/134309 ,  G02F1/133707 ,  G02F1/133753 ,  G02F1/134336 ,  G02F1/13439 ,  G02F2001/133357 ,  G02F2001/133738 ,  G02F2001/133757 ,  G02F2001/134345 ,  G02F2201/121 ,  G02F2201/122 ,  G02F2201/123

Abstract: A liquid crystal display device includes pixels, each including a pixel electrode including first and second stem electrodes, which extend in a first direction and are spaced apart from each other, a third stem electrode, which extends in a second direction perpendicular to the first direction and intersects the first and second stem electrodes, a first edge electrode, which extends in the second direction and intersects first ends of the first and second stem electrodes, a second edge electrode, which extends in the second direction and intersects second ends of the first and second stem electrodes, and branch electrodes, which extend from the first, second, and third stem electrodes in a direction which is different from the first and second directions where a boundary line is defined between the first and second stem electrode.