公开(公告)号：US20230395030A1

公开(公告)日：2023-12-07

申请号：US18305156

申请日：2023-04-21

Applicant: Samsung Display Co., LTD.

Inventor： KEUNWOO KIM ,  TAEWOOK KANG

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0842 ,  G09G2300/0819 ,  G09G2310/08 ,  G09G2310/0262 ,  G09G2300/0426 ,  G09G2320/0233 ,  G09G2320/0247

Abstract: A display apparatus includes: a light emitting element; a driving switching element to apply a driving current to the light emitting element; and a first compensation switching element and a second compensation switching element connected in series to each other between a control electrode of the driving switching element and an output electrode of the driving switching element. A control electrode of the first compensation switching element and a control electrode of the second compensation switching element are to receive a compensation gate signal, and a falling waveform of the compensation gate signal and a rising waveform of the compensation gate signal are asymmetrical to each other.

公开(公告)号：US20220344424A1

公开(公告)日：2022-10-27

申请号：US17568242

申请日：2022-01-04

Applicant: Samsung Display Co., Ltd.

Inventor： KEUNWOO KIM ,  TAEWOOK KANG

IPC: H01L27/32 ,  H01L51/56

Abstract: A display device includes a substrate including a sub-pixel area, an active layer disposed in the sub-pixel area and including first to third regions, a first channel region between the first and second regions, and a second channel region between the second and third regions, a first gate electrode disposed in the first and second channel regions, and constituting a dual gate transistor together with the first and second regions, the first channel region, the second and third regions, and the second channel region, a first gate insulating layer disposed between the active layer and the first gate electrode, and defining an opening exposing the second region, an insulating pattern in the opening, a gate electrode pattern contacting a top surface of the insulating pattern, and is spaced apart from the first gate electrode, and a light emitting structure on the dual gate transistor and the gate electrode pattern.

公开(公告)号：US20240065065A1

公开(公告)日：2024-02-22

申请号：US18497392

申请日：2023-10-30

Applicant: Samsung Display Co., LTD.

Inventor： DONGMIN LEE ,  TAEWOOK KANG ,  HYUNAH SUNG ,  SUKYOUNG YANG ,  DOKEUN SONG ,  HYUNEOK SHIN

IPC: H10K59/131 ,  C22C21/00 ,  H10K59/126 ,  H10K59/121 ,  H10K77/10

CPC classification number: H10K59/1315 ,  C22C21/00 ,  H10K59/126 ,  H10K59/1213 ,  H10K59/1216 ,  H10K77/111 ,  H01L29/66757

Abstract: A display device includes a base substrate, a buffer layer disposed on the base substrate, an active layer disposed on the buffer layer, a first gate insulation layer disposed on the active layer, a first conductive layer disposed on the first gate insulation layer and which is a single-layer including an aluminum alloy, a second gate insulation layer disposed on the first conductive layer, a second conductive layer disposed on the second gate insulation layer and which is a single-layer including an aluminum alloy, an insulation interlayer disposed on the second conductive layer, and a third conductive layer disposed on the insulation interlayer, directly contacting the first conductive layer through a first gate contact hole defined in the insulation interlayer and the second gate insulation layer, and directly contacting the second conductive layer through a second gate contact hole defined in the insulation interlayer.

公开(公告)号：US20230209909A1

公开(公告)日：2023-06-29

申请号：US18065898

申请日：2022-12-14

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： JINSU BYUN ,  TAEWOOK KANG ,  HOON KANG ,  GWANGMIN CHA ,  SAEHEE HAN

IPC: H10K59/122 ,  H10K50/844 ,  H10K71/00

CPC classification number: H10K59/122 ,  H10K50/844 ,  H10K71/00 ,  H10K59/1201

Abstract: A display device including a plurality of pixels over a substrate, the display device includes: a pixel-defining layer covering edges of a first electrode of each of the plurality of pixels; a first spacer arranged on the pixel-defining layer and including a first portion and a second portion, the first portion of the first spacer having a width increasing toward the substrate, and the second portion of the first spacer being arranged between the first portion of the first spacer and the substrate and having a width decreasing toward the substrate; and a first hole arranged apart from the first electrode between the plurality of pixels, the first hole being formed in the second portion of the first spacer and the pixel-defining layer.

公开(公告)号：US20170271429A1

公开(公告)日：2017-09-21

申请号：US15440134

申请日：2017-02-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： YOUNGDAE KIM ,  TAEWOOK KANG

IPC: H01L27/32 ,  H01L51/52

CPC classification number: H01L27/3272 ,  H01L27/14601 ,  H01L27/14603 ,  H01L27/14647 ,  H01L27/3211 ,  H01L27/322 ,  H01L27/323 ,  H01L27/3244 ,  H01L51/5203 ,  H01L51/5253

Abstract: A display apparatus includes a substrate, a plurality of pixel electrodes disposed over the substrate, first metal patterns disposed over the plurality of pixel electrodes and between adjacent pixel electrodes, a first insulating layer disposed over the first metal patterns, second metal patterns disposed over the first insulating layer, in which each second metal pattern is electrically connected to one of the first metal patterns through a contact hole in the first insulating layer, and a light-blocking layer covering the second metal patterns and including first openings respectively corresponding to one of the plurality of pixel electrodes, in which each of the first openings exposes a portion of the first insulating layer.

公开(公告)号：US20240363070A1

公开(公告)日：2024-10-31

申请号：US18766546

申请日：2024-07-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： KEUNWOO KIM ,  TAEWOOK KANG

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/0262 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2320/0247

Abstract: A display apparatus includes: a light emitting element; a driving switching element to apply a driving current to the light emitting element; and a first compensation switching element and a second compensation switching element connected in series to each other between a control electrode of the driving switching element and an output electrode of the driving switching element. A control electrode of the first compensation switching element and a control electrode of the second compensation switching element are to receive a compensation gate signal, and a falling waveform of the compensation gate signal and a rising waveform of the compensation gate signal are asymmetrical to each other.

公开(公告)号：US20240284715A1

公开(公告)日：2024-08-22

申请号：US18444039

申请日：2024-02-16

Applicant: Samsung Display Co., LTD.

Inventor： SUBIN BAE ,  Hee Jun YANG ,  TAEWOOK KANG ,  DAWOON JUNG ,  YU-GWANG JEONG

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/80 ,  H10K59/88 ,  G09G3/3233

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K59/8731 ,  H10K59/88 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852

Abstract: A display panel includes a base layer, a pixel defining film disposed on the base layer and including an inorganic material, a bank layer which is disposed on the pixel defining film and in which a plurality of pixel openings is defined, a plurality of light-emitting elements disposed in each of the plurality of pixel openings and including an anode, a light-emitting pattern, and a cathode. The cathode contacts the bank layer, a dummy pattern disposed on the bank layer, an inorganic encapsulation pattern disposed on the cathode and including a portion disposed on the dummy pattern, an organic pattern disposed on the inorganic encapsulation pattern, and an inorganic film disposed on the organic pattern. A portion of the inorganic film is disposed between the dummy pattern and the bank layer.

公开(公告)号：US20240074245A1

公开(公告)日：2024-02-29

申请号：US18454318

申请日：2023-08-23

Applicant: Samsung Display Co., Ltd.

Inventor： JEONGSEOK LEE ,  TAEWOOK KANG ,  WOO YONG SUNG ,  SEUNGYONG SONG

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/80 ,  H10K71/20 ,  H10K102/00

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K59/873 ,  H10K71/231 ,  H10K2102/351

Abstract: A display panel includes a base layer, a first lower electrode, a first sacrificial pattern layer defining a first lower opening exposing a portion of an upper surface of the first lower electrode, an insulating layer covering a portion of the first sacrificial pattern layer and defining a first emission opening overlapping the first lower opening, a conductive bank defining a first upper opening overlapping the first emission opening, a first emission pattern layer disposed inside the first lower opening, the first emission opening, and the first upper opening and on the first lower electrode, and a first upper electrode disposed on the first emission pattern layer and in contact with an inner surface of the conductive bank defining the first upper opening, and a thickness of the first emission pattern layer is greater than a sum of a thickness of the first sacrificial pattern layer and a thickness.

公开(公告)号：US20240431155A1

公开(公告)日：2024-12-26

申请号：US18826545

申请日：2024-09-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： YU-GWANG JEONG ,  TAEWOOK KANG ,  Wooyong SUNG

IPC: H10K59/124 ,  H10K50/11 ,  H10K50/844 ,  H10K59/12 ,  H10K59/40 ,  H10K71/00 ,  H10K77/10

Abstract: A method of manufacturing a display panel includes providing an insulating substrate that includes a hole area, a display area that surrounds the hole area, and a peripheral area adjacent to the display area, forming a semiconductor pattern in the display area, forming an insulating layer, forming contact holes in the insulating layer that expose portions of the semiconductor pattern, and forming a module hole by etching a portion of the insulating layer and a portion of the insulating substrate that overlap the hole area.

公开(公告)号：US20240258436A1

公开(公告)日：2024-08-01

申请号：US18380678

申请日：2023-10-17

Applicant: Samsung Display Co., Ltd.

Inventor： SOYOUNG KOO ,  TAEWOOK KANG ,  Hyoung Do Kim ,  HYUNGJUN KIM ,  YUNYONG NAM ,  JUN HYUNG LIM ,  Ki-Lim Han

IPC: H01L29/786 ,  H01L29/423 ,  H01L29/66

CPC classification number: H01L29/78696 ,  H01L29/42384 ,  H01L29/66742 ,  H01L29/7869

Abstract: A display device includes: a buffer layer including an inorganic insulating material, an active pattern disposed on the buffer layer and including a channel region and a first conductor region adjacent to the channel region, a gate insulating layer disposed on the buffer layer and the active pattern and including an inorganic insulating material, a gate electrode layer including a first electrode extending along a side surface of the gate insulating layer and including a first contact portion electrically contacting the first conductor region, and an oxygen supply layer including a first pattern disposed between the first electrode and the gate insulating layer, wherein the first pattern includes a first groove recessed from a side surface of to surround at least a part of the first contact portion in a plan view.