公开(公告)号：US12108621B2

公开(公告)日：2024-10-01

申请号：US17210614

申请日：2021-03-24

Applicant: Samsung Display Co., LTD.

Inventor： Jun Hee Lee ,  Yeong Ho Lee

IPC: H10K50/844 ,  H10K59/122 ,  H10K59/131 ,  H10K59/38

CPC classification number: H10K50/844 ,  H10K59/122 ,  H10K59/131 ,  H10K59/38

Abstract: A display device includes a substrate including a display area and a non-display area, a light emitting element disposed in the display area, an encapsulation layer covering the light emitting element, and a dam disposed in the non-display area and surrounding the display area. The dam includes a plurality of layers, and the plurality of layers include an organic layer that includes a portion that decreases and then increases in height toward an edge of the organic layer.

公开(公告)号：US11096289B2

公开(公告)日：2021-08-17

申请号：US16111346

申请日：2018-08-24

Applicant: Samsung Display Co. Ltd.

Inventor： Jun Hee Lee ,  Dae Ho Yang ,  Myung Soo Kyung ,  Tae Young Park ,  Jun Hak Oh ,  Seung Joo Lee ,  Hyun Ho Jeong ,  Jong Moon Heo

IPC: H05K3/36 ,  H05K1/02 ,  H05K3/22 ,  G02F1/13 ,  G02F1/1345 ,  H05K1/14 ,  H01L51/56

Abstract: A manufacturing method of a display device includes: loading, on a stage, a panel assembly including: a display panel drivable to display an image, and first and second printed circuit boards attached to the display panel, end portions of the first and second printed circuit boards overlapping each other; providing a jet of air to the overlapping end portion of the second printed circuit board to raise the overlapping end portion away from and expose the end portion of the first printed circuit board; fixing the raised end portion away from the exposed end portion of the first printed circuit board; pre-processing the exposed end portion of the first printed circuit board; and aligning a distal end of the pre-processed end portion of the first printed circuit board and a distal end of the end portion of the second printed circuit board.

公开(公告)号：US12295220B2

公开(公告)日：2025-05-06

申请号：US17154922

申请日：2021-01-21

Applicant: Samsung Display Co., Ltd.

Inventor： Jun Hee Lee ,  Nak Cho Choi ,  Min Yeul Ryu ,  Dong Ki Lee ,  Choong Youl Im ,  Beohm Rock Choi

IPC: H10K59/131 ,  H10K50/844 ,  H10K59/122 ,  H10K59/126 ,  H10K59/38

Abstract: A display device includes a substrate, a transistor, an interlayer insulating layer, a first conductive line, a pixel electrode, a passivation layer, a common electrode, and a light emitting element layer. The transistor overlaps the substrate. The interlayer insulating layer overlaps the transistor and includes a first groove. The first conductive line is electrically connected to the transistor and is at least partially disposed inside the first groove. The pixel electrode is electrically connected to the transistor and overlaps the first conductive line. The passivation layer is disposed between the pixel electrode and the first conductive line and directly contacts at least one of the pixel electrode and the first conductive line. The common electrode overlaps the pixel electrode. The light emitting element layer is disposed between the common electrode and the pixel electrode.

公开(公告)号：US12114527B2

公开(公告)日：2024-10-08

申请号：US17507757

申请日：2021-10-21

Applicant: Samsung Display Co., LTD.

Inventor： Min Yeul Ryu ,  Dong Ki Lee ,  Jun Hee Lee ,  Choong Youl Im ,  Beohm Rock Choi ,  Nak Cho Choi

IPC: H01L27/12 ,  H01L29/786 ,  H10K50/86 ,  H10K59/131 ,  H10K59/35 ,  H10K71/00

CPC classification number: H10K50/865 ,  H01L29/78651 ,  H01L29/7869 ,  H10K59/131 ,  H10K59/353 ,  H10K71/00

Abstract: A display device includes a substrate, a first insulating layer on the substrate and including a flat upper surface, a first conductive layer on the substrate, the first conductive layer including first to third light blocking patterns separated from one another, a second insulating layer on the first conductive layer, and pixel electrodes on the second insulating layer. The pixel electrodes includes a first pixel electrode in a first color pixel and in the first light blocking pattern in a first direction in a plan view, and a second pixel electrode in a second color pixel and covering the second and third light blocking patterns in the first direction, the second insulating layer includes first and second areas respectively overlapping the first and second pixel electrodes, and each of the upper surfaces of the first and second areas includes a curved surface with a concave central portion.

公开(公告)号：US20240215413A1

公开(公告)日：2024-06-27

申请号：US18482734

申请日：2023-10-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seong-Yong Hwang ,  Hyun Duck Cho ,  Kook Hyun Choi ,  Jun Hee Lee ,  Ji Hwang Lee ,  Choong Youl Im ,  Beohm Rock Choi

IPC: H10K59/80 ,  H10K59/122

CPC classification number: H10K59/8791 ,  H10K59/122

Abstract: An emissive display device includes a substrate. A first electrode is disposed on the substrate. A pixel defining layer has a first opening exposing the first electrode. A second electrode is disposed on both the pixel defining layer and the first electrode. An encapsulation layer at least partially covers the second electrode. A light blocking layer is disposed on the encapsulation layer and has a second opening. A color filter is disposed on the light blocking layer. A scattering layer is disposed within the second opening of the light blocking layer and includes a plurality of scattering particles. Particle density of the scattering particles has a value of 1 ea/mm3 or more and 10 ea/mm3 or less, and a diameter of the scattering particles is 0.1 μm or more and 1.5 μm or less.

公开(公告)号：US11871621B2

公开(公告)日：2024-01-09

申请号：US17713034

申请日：2022-04-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Nak Cho Choi ,  Dae-Gi Kweon ,  Ji hee Kim ,  Kie Hyun Nam ,  Min Yeul Ryu ,  Sang Hee Yu ,  Jun Hee Lee ,  Da-young Jung

IPC: H10K59/122 ,  H10K50/115 ,  H10K50/818 ,  H10K50/844 ,  H10K50/86 ,  H10K102/00

CPC classification number: H10K59/122 ,  H10K50/115 ,  H10K50/818 ,  H10K50/844 ,  H10K50/865 ,  H10K2102/351

Abstract: An embodiment of the present disclosure provides a display device including a substrate, a thin film transistor on the substrate, a first electrode electrically connected to the thin film transistor, a light emitting layer and a second electrode overlapping the first electrode, a first partition wall between the first electrode and the second electrode, and a second partition wall overlapping the first partition wall, wherein the first partition wall includes at least one of a black pigment and a black dye, wherein the second partition wall includes an organic insulating material, and wherein a portion of the second partition wall overlaps the first electrode.

公开(公告)号：US11563200B2

公开(公告)日：2023-01-24

申请号：US17196377

申请日：2021-03-09

Applicant: Samsung Display Co., LTD.

Inventor： Jun Hee Lee

IPC: H01L51/52 ,  H01L27/32

Abstract: A display device includes a first semiconductor pattern on a substrate, a first insulating layer on the first semiconductor pattern, a first gate electrode on the first insulating layer, a second insulating layer on the first gate electrode, a second semiconductor pattern on the second insulating layer, a material of the second semiconductor pattern being different from that of the first semiconductor pattern, a third insulating layer on the second semiconductor pattern, a second gate electrode on the third insulating layer, a first planarization layer overlapping the second gate electrode, a second planarization layer on the first planarization layer and including a light blocking portion, and a pixel definition layer on the second planarization layer, wherein at least a portion of the pixel definition layer directly contacts the light blocking portion of the second planarization layer.

公开(公告)号：US11049921B2

公开(公告)日：2021-06-29

申请号：US16843489

申请日：2020-04-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jun Hee Lee ,  In Jun Bae ,  Kohei Ebisuno

IPC: H01L27/32 ,  H01L29/04 ,  H01L29/78 ,  G09G3/3233 ,  G09G3/3241 ,  G09G3/3258 ,  G09G3/3266 ,  G09G3/3291 ,  H01L29/786 ,  H01L27/12

Abstract: A display device includes a scan line that extends in a first direction on a substrate and that transmits a scan signal; a data line that extends in a second direction that intersects the first direction and that transmits a data signal; a driving voltage line that extends in the second direction and that transmits a driving voltage; a transistor that includes a second transistor connected to the scan line and the data line and a first transistor connected to the second transistor; a light emitting device connected to the transistor; and a conductive pattern disposed between the substrate and the first transistor, where each of the first and second transistors includes an active pattern with a stacked first semiconductor layer and a second semiconductor layer, which have different crystalline states.

公开(公告)号：US10978537B2

公开(公告)日：2021-04-13

申请号：US15582908

申请日：2017-05-01

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kohei Ebisuno ,  Yong Ho Yang ,  Jun Hee Lee ,  Nak Cho Choi

IPC: H01L27/32 ,  H01L51/52 ,  H01L27/12

Abstract: An organic light emitting diode display includes a substrate, a plurality of pixels disposed on the substrate, a plurality of transmissive windows spaced apart from the pixels, and a light blocking member disposed between one of the pixels and one of the transmissive windows. The pixels display an image, and light is transmitted through the transmissive windows. Each pixel includes a transistor including a plurality of electrode members disposed in different layers on the substrate. The light blocking member includes a plurality of light blocking sub-members respectively disposed in the same layers as the plurality of electrode members.

公开(公告)号：US10804299B2

公开(公告)日：2020-10-13

申请号：US16275829

申请日：2019-02-14

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jun Hee Lee ,  In Jun Bae

IPC: H01L27/12 ,  H01L29/786 ,  H01L27/32

Abstract: A thin film transistor includes a first blocking layer disposed on a substrate, and an active pattern disposed on the first blocking layer. The active pattern includes a source region, a drain region, and a channel region disposed between the source region and the drain region. The thin film transistor further includes a gate electrode disposed on the active pattern. The channel region corresponds to a portion of the active pattern overlapped by the gate electrode. The thin film transistor additionally includes a source electrode connected to the source region, and a drain electrode connected to the drain region. The active pattern includes a first part and a second part. The first part partially overlaps with the first blocking layer, and the first part and the second part have different thicknesses from each other.