公开(公告)号：US20230240106A1

公开(公告)日：2023-07-27

申请号：US18193418

申请日：2023-03-30

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： YOUNGSEOK BAEK ,  SANGJIN PARK ,  CHONGSUP CHANG ,  EUI KANG HEO

IPC: H10K59/131 ,  H10K50/86 ,  H10K71/00

CPC classification number: H10K59/131 ,  H10K50/865 ,  H10K71/00

Abstract: A display device includes: a first active pattern on a light blocking pattern; a second active pattern at a same layer as that of the first active pattern; a first insulating pattern on the first active pattern; a second insulating pattern on the first active pattern, the second insulating pattern being spaced from the first insulating pattern, and having a first contact hole exposing the first active pattern; a first gate electrode on the first insulating pattern; a second gate electrode at a same layer as that of the first gate electrode, and overlapping with the second active pattern; a first etch stopper on the second insulating pattern, and having a second contact hole connected to the first contact hole; and a first electrode on the first etch stopper, the first electrode contacting the light blocking pattern and the first active pattern through the first and second contact holes.

公开(公告)号：US20220399525A1

公开(公告)日：2022-12-15

申请号：US17674962

申请日：2022-02-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： SANGJIN PARK ,  YOUNGDAE KIM ,  SARAH LEE ,  SANG JIN LEE

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

Abstract: A display device includes: a substrate; a light emitting element disposed on the substrate; an encapsulation layer disposed on the light emitting element; an organic layer disposed on the encapsulation layer; a first light shielding layer disposed on the organic layer; and an inorganic layer disposed between the organic layer and the first light shielding layer, and including a first region overlapping the first light shielding layer in a plan view and a second region having a refractive index less than a refractive index of the first region.

公开(公告)号：US20220085131A1

公开(公告)日：2022-03-17

申请号：US17307881

申请日：2021-05-04

Applicant: Samsung Display Co., Ltd.

Inventor： YOUNGSEOK BAEK ,  SANGJIN PARK ,  CHONGSUP CHANG ,  EUI KANG HEO

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

Abstract: A display device includes: a first active pattern on a light blocking pattern; a second active pattern at a same layer as that of the first active pattern; a first insulating pattern on the first active pattern; a second insulating pattern on the first active pattern, the second insulating pattern being spaced from the first insulating pattern, and having a first contact hole exposing the first active pattern; a first gate electrode on the first insulating pattern; a second gate electrode at a same layer as that of the first gate electrode, and overlapping with the second active pattern; a first etch stopper on the second insulating pattern, and having a second contact hole connected to the first contact hole; and a first electrode on the first etch stopper, the first electrode contacting the light blocking pattern and the first active pattern through the first and second contact holes.

公开(公告)号：US20240298477A1

公开(公告)日：2024-09-05

申请号：US18517753

申请日：2023-11-22

Applicant: Samsung Display Co., LTD.

Inventor： YOUNGSEOK BAEK ,  SANGJIN PARK ,  DONGHYUN YANG ,  INKYUNG YOO

IPC: H10K59/122 ,  H10K59/12

CPC classification number: H10K59/122 ,  H10K59/1201

Abstract: Provided is a display panel including a base layer, an insulating layer having a groove defined thereon and disposed on the base layer, an anode disposed in the groove, a pixel defining layer disposed on the insulating layer and having a first light-emitting opening defined therein and exposing at least a portion of the anode, a partition wall having a partition wall opening defined therein and corresponding to the light-emitting opening, including a tip portion, and disposed on the pixel defining layer, a cathode at least partially disposed in the partition wall opening and in contact with an inner side surface of the partition wall defining the partition wall opening, and a light-emitting pattern disposed between the anode and the cathode, wherein the anode includes a first portion and a second portion protruding from the first portion toward the pixel defining layer and covered by the pixel defining layer.

公开(公告)号：US20240074233A1

公开(公告)日：2024-02-29

申请号：US18128363

申请日：2023-03-30

Applicant: Samsung Display Co., Ltd.

Inventor： SANGJIN PARK ,  MINSANG KIM ,  SANGHYUK LEE ,  MINGYU JUNG

IPC: H10K59/121 ,  H01L29/786 ,  H10K59/12

CPC classification number: H10K59/1213 ,  H01L29/78672 ,  H01L29/7869 ,  H01L29/78696 ,  H10K59/1201

Abstract: A display panel of the inventive concept includes a light emitting element, a pixel circuit including a first transistor and electrically connected to the light emitting element, and a first insulating layer. The first transistor includes a first semiconductor pattern arranged under the first insulating layer and including a first source region, a first drain region, and a first channel region arranged between the first source region and the first drain region, and a first gate arranged on the first insulating layer and overlapping the first channel region. The first insulating layer includes a first region overlapping a normal region of the first gate and the first source region, and a second region which overlaps a protruding region of the first gate, has a thickness greater than that of the first region, and is disposed close to the first drain region than the first region.

公开(公告)号：US20230292553A1

公开(公告)日：2023-09-14

申请号：US18321413

申请日：2023-05-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： SANGJIN PARK ,  YOUNGDAE KIM ,  JEONGSEON KIM ,  SANGJIN LEE ,  AHYEON LEE

IPC: H10K59/121 ,  G09G3/3233 ,  H10K71/00

CPC classification number: H10K59/1213 ,  G09G3/3233 ,  H10K71/00 ,  G09G2300/0819 ,  G09G2320/0257 ,  H01L27/1237

Abstract: An organic light-emitting display device includes a driving transistor configured to control current to an organic light-emitting diode from a power voltage line, a compensation transistor configured to diode-connect the driving transistor in response to a voltage applied to a compensation gate electrode of the driving transistor, and a gate insulating layer interposed between a driving active region of the driving transistor and the driving gate electrode, and between a compensation active region of the compensation transistor and the compensation gate electrode. A dielectric constant in a first portion of the gate insulating layer between the driving active region and the driving gate electrode is greater than a dielectric constant in a second portion of the gate insulating layer between the compensation active region and the compensation gate electrode.

公开(公告)号：US20230253523A1

公开(公告)日：2023-08-10

申请号：US18075766

申请日：2022-12-06

Applicant: Samsung Display Co., LTD.

Inventor： HEENA KIM ,  SANGJIN PARK ,  INKYUNG YOO ,  SANG JIN LEE

IPC: H01L33/00

CPC classification number: H01L33/005 ,  H01L2933/0016 ,  H01L2933/0066

Abstract: A method of providing a display device includes providing a preliminary active layer, providing a preliminary insulation layer on the preliminary active layer, providing a doped area of the preliminary active layer, the providing of the doped area including providing impurities through the preliminary insulation layer on the preliminary active layer and to a portion of the preliminary active layer corresponding to the doped area, providing removal of the preliminary insulation layer from the preliminary active layer having the doped area, and providing crystallizing of the preliminary active layer having the doped area, the providing of the crystallizing including irradiating a laser to the preliminary active layer having the doped area to define an active layer of the display device which has the doped area.

公开(公告)号：US20210343816A1

公开(公告)日：2021-11-04

申请号：US17111897

申请日：2020-12-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： SANGJIN PARK ,  YOUNGDAE KIM ,  JEONGSEON KIM ,  SANGJIN LEE ,  AHYEON LEE

IPC: H01L27/32 ,  H01L51/56 ,  G09G3/3233

Abstract: An organic light-emitting display device includes a driving transistor configured to control current to an organic light-emitting diode from a power voltage line, a compensation transistor configured to diode-connect the driving transistor in response to a voltage applied to a compensation gate electrode of the driving transistor, and a gate insulating layer interposed between a driving active region of the driving transistor and the driving gate electrode, and between a compensation active region of the compensation transistor and the compensation gate electrode. A dielectric constant in a first portion of the gate insulating layer between the driving active region and the driving gate electrode is greater than a dielectric constant in a second portion of the gate insulating layer between the compensation active region and the compensation gate electrode.