公开(公告)号：US20210327862A1

公开(公告)日：2021-10-21

申请号：US17223721

申请日：2021-04-06

Applicant: Samsung Display Co., Ltd.

Inventor： Kwang Soo BAE ,  Beom Soo PARK ,  Min Jeong OH ,  Hae Ju YUN

IPC: H01L25/16 ,  H01L33/54

Abstract: A display device and a manufacturing method thereof are provided. The display device includes a display substrate, sub-pixels on the display substrate, each of the sub-pixels including a first electrode and a second electrode on the display substrate and spaced apart from each other, light emitting elements between the first electrode and the second electrode, an insulating layer covering the light emitting elements, a protective pattern on the insulating layer and overlapping one of the light emitting elements, and a bank on the insulating layer at a boundary of one of the sub-pixels.

公开(公告)号：US20230033692A1

公开(公告)日：2023-02-02

申请号：US17700863

申请日：2022-03-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seung Chan LEE ,  Beom Soo PARK ,  Wang Jo LEE ,  Seong Jun LEE ,  Yoon Ah CHOI

IPC: G09G3/3233

Abstract: A pixel includes: a driving transistor including a gate electrode coupled to a first node, a first electrode coupled to a second node, and a second electrode coupled to a third node; a first initialization transistor coupled between the first node and a first initialization voltage line, and including a gate electrode coupled to a scan line, where the first initialization voltage line is configured to supply a first initialization voltage; a first emission control transistor coupled between a fourth node and a fifth node and including a gate electrode coupled to the first node; a second emission control transistor coupled between the third node and the fifth node and including a gate electrode coupled to an emission control line; and a light-emitting element coupled between the fourth node and a driving low voltage line. The driving transistor and the first emission control transistor are different types of transistors.

公开(公告)号：US20220149080A1

公开(公告)日：2022-05-12

申请号：US17519420

申请日：2021-11-04

Applicant: Samsung Display Co., Ltd.

Inventor： Seung Chan LEE ,  Hong Am KIM ,  Jin-Whan JUNG ,  Young Min CHO ,  Ju Yeon KIM ,  Beom Soo PARK

IPC: H01L27/12 ,  H01L29/786

Abstract: A display device includes a display area and a non-display area; and a pad portion disposed in the non-display area, wherein the pad portion includes a first conductive layer; a second conductive layer that partially overlaps the first conductive layer in a direction perpendicular to a surface of the substrate; a first insulation film disposed between the first conductive layer and the second conductive layer; a second insulation film that is disposed on the first conductive layer and the second conductive layer and includes an opening overlapping the first conductive layer and the second conductive layer; and a third conductive layer disposed on the second insulation film.

公开(公告)号：US20230363219A1

公开(公告)日：2023-11-09

申请号：US18139725

申请日：2023-04-26

Applicant: Samsung Display Co., LTD.

Inventor： Seung Chan LEE ,  Jaechung KIM ,  Beom Soo PARK ,  Seong Jun LEE

IPC: H10K59/131 ,  H10K59/80

CPC classification number: H10K59/131 ,  H10K59/8791

Abstract: A display device includes a substrate including a display area and a component area, and first and second signal lines disposed on the substrate, in which each of the display area and the component area includes a first semiconductor layer, a first gate conductive layer and a second gate conductive layer on the first semiconductor layer, a second semiconductor layer on the second gate conductive layer, a third gate conductive layer on the second semiconductor layer, an insulating layer in which openings surrounding the first semiconductor layer, the second gate conductive layer, the second semiconductor layer and the third gate conductive layer are defined, and first and second data conductive layers on the insulating layer, in which the first signal line in the first data conductive layer and the second signal line in the second data conductive layer respectively extend in perpendicular directions.

公开(公告)号：US20230209923A1

公开(公告)日：2023-06-29

申请号：US17878147

申请日：2022-08-01

Applicant: Samsung Display Co., LTD.

Inventor： Beom Soo PARK ,  Seung Chan LEE ,  Wang Jo LEE ,  Donghee CHOI

IPC: H01L27/32 ,  H01L51/56

CPC classification number: H01L27/3276 ,  H01L27/3246 ,  H01L51/56 ,  H01L2227/323

Abstract: A light emitting display device includes: a substrate; a transistor disposed on the substrate; an anode connected to the transistor; an emission layer disposed on the anode; a common voltage line disposed on the substrate; and a cathode disposed on the emission layer and the common voltage line, where a thickness of a first portion of the cathode overlapping the emission layer is different from a thickness of a second portion of the cathode not overlapping the emission layer.

公开(公告)号：US20230197909A1

公开(公告)日：2023-06-22

申请号：US18167746

申请日：2023-02-10

Applicant: Samsung Display Co., LTD.

Inventor： Kwang Soo BAE ,  Beom Soo PARK ,  Min Jeong OH ,  Young Je CHO

IPC: H01L33/50 ,  H01L33/38 ,  H01L33/56 ,  G09G3/32 ,  H01L27/15 ,  H01L33/24 ,  H01L33/44

CPC classification number: H01L33/502 ,  H01L33/38 ,  H01L33/56 ,  G09G3/32 ,  H01L27/156 ,  H01L33/24 ,  H01L33/44 ,  G09G2300/0452

Abstract: A display device may include: a substrate; first and second electrode on the substrate; light emitting element between the first and second electrodes; a barrier structure on the substrate and including a first surface, a second surface, and a third surface; a light conversion layer on the barrier structure; and a passivation layer on the light conversion layer. A first space defined by the second and third surfaces may be between the substrate and the barrier structure. A second space defined by the first and second surfaces may be between the barrier structure and the passivation layer. The first and second spaces may be alternately located in the first direction. The light emitting element may be in the first space. The light conversion layer may be in the at least one second space.

公开(公告)号：US20220077263A1

公开(公告)日：2022-03-10

申请号：US17340236

申请日：2021-06-07

Applicant: Samsung Display Co., LTD.

Inventor： Seung Chan LEE ,  Beom Soo PARK ,  Wang Jo LEE ,  Jae Bum CHO ,  Jae Ik LIM

IPC: H01L27/32

Abstract: A display device includes: a substrate; a polycrystalline semiconductor layer which includes a first electrode, a channel, and a second electrode of a driving transistor disposed on the substrate; a first gate insulating layer disposed on the polycrystalline semiconductor layer; a gate electrode of the driving transistor which is disposed on the first gate insulating layer and overlaps the channel; a lower first scan line disposed on the first gate insulating layer; a second gate insulating layer disposed on the gate electrode and on the lower first scan line; a first lower boost electrode disposed on the second gate insulating layer; a first interlayer-insulating layer disposed on the first lower boost electrode; an oxide semiconductor layer disposed on the first interlayer-insulating layer and including a first upper boost electrode overlapping the first lower boost electrode; and a first connection electrode connecting the gate electrode and the first upper boost electrode.

公开(公告)号：US20210091272A1

公开(公告)日：2021-03-25

申请号：US16857000

申请日：2020-04-23

Applicant: Samsung Display Co., Ltd.

Inventor： Kwang Soo BAE ,  Beom Soo PARK ,  Min Jeong OH ,  Young Je CHO

IPC: H01L33/50 ,  H01L33/24 ,  H01L33/44 ,  H01L33/38 ,  G09G3/32 ,  H01L33/56 ,  H01L27/15

Abstract: A display device may include: a substrate; first and second electrode on the substrate; light emitting element between the first and second electrodes; a barrier structure on the substrate and including a first surface, a second surface, and a third surface; a light conversion layer on the barrier structure; and a passivation layer on the light conversion layer. A first space defined by the second and third surfaces may be between the substrate and the barrier structure. A second space defined by the first and second surfaces may be between the barrier structure and the passivation layer. The first and second spaces may be alternately located in the first direction. The light emitting element may be in the first space. The light conversion layer may be in the at least one second space.

公开(公告)号：US20170357115A1

公开(公告)日：2017-12-14

申请号：US15412930

申请日：2017-01-23

Applicant: Samsung Display Co., Ltd

Inventor： Young Jae JEON ,  Il YOU ,  Seung Rae KIM ,  Chun Yan JIN ,  Beom Soo PARK ,  Jae Hyun PARK ,  Sang Ju LEE ,  Hye Won HYEON

IPC: G02F1/1368 ,  H01L29/417 ,  G02F1/1343 ,  H01L29/786 ,  H01L27/12 ,  G02F1/1362 ,  H01L29/423

CPC classification number: G02F1/1368 ,  G02F1/134309 ,  G02F1/136209 ,  G02F1/136227 ,  G02F1/136286 ,  G02F2001/134318 ,  G02F2001/136295 ,  H01L27/1248 ,  H01L29/41733 ,  H01L29/41775 ,  H01L29/42384 ,  H01L29/78636 ,  H01L29/78696 ,  H01L2029/42388

Abstract: A display device is provided. The display device includes a base; a gate conductor disposed directly on the base and including a gate line and a gate electrode; a gate insulating layer disposed on the gate conductor and including an overlap portion, which overlaps with the gate conductor, and a non-overlap portion, which is connected to the overlap portion, does not overlap with the gate conductor, and is spaced apart from the base; and a semiconductor pattern disposed on the gate insulating layer and overlapping with the gate electrode, wherein edges of the gate insulating layer project further than edges of the gate conductor and edges of the semiconductor pattern.

公开(公告)号：US20230141774A1

公开(公告)日：2023-05-11

申请号：US17869722

申请日：2022-07-20

Applicant: Samsung Display Co., LTD.

Inventor： Beom Soo PARK ,  YOUNGMIN KWON ,  Wang Jo LEE ,  Jin-Whan JUNG

IPC: H01L27/32

CPC classification number: H01L27/3262 ,  H01L27/3276 ,  H01L27/3265

Abstract: A light-emitting display device includes a first transistor including a driving gate electrode, a first electrode, and a second electrode, a storage capacitor including a first electrode and a second electrode connected to the driving gate electrode, a second transistor connected to the second electrode of the storage capacitor, a first hold capacitor including a first electrode connected to the second electrode of the storage capacitor and a second electrode to which a driving voltage is applied, a second hold capacitor including a first electrode connected to the second electrode of the storage capacitor and a second electrode to which a driving voltage is applied, a third transistor connecting the driving gate electrode and the second electrode of the first transistor, and a light-emitting diode. Conductive layers in which the first electrode of the first hold capacitor and the first electrode of the second hold capacitor are disposed are different.