公开(公告)号：US20210358976A1

公开(公告)日：2021-11-18

申请号：US17138018

申请日：2020-12-30

Applicant: Samsung Display Co., LTD.

Inventor： Hyeon Bum LEE

IPC: H01L27/12 ,  G06F3/041

Abstract: A display device may include a source electrode disposed on a substrate; a drain electrode disposed on the substrate; an insulating layer disposed on the source electrode and the drain electrode, the insulating layer including an opening overlapping the drain electrode; and a first electrode disposed on the insulating layer and electrically contacting the drain electrode in the opening of the insulating layer, wherein an angle between a side surface of the opening of the insulating layer and a plane parallel to the substrate is in a range of about 70 degrees to about 85 degrees.

公开(公告)号：US20190252639A1

公开(公告)日：2019-08-15

申请号：US16204741

申请日：2018-11-29

Applicant: Samsung Display Co., Ltd.

Inventor： Hyeon Bum LEE

IPC: H01L51/52 ,  H01L27/32 ,  G06F3/041 ,  G06F3/044

CPC classification number: H01L51/5253 ,  H01L27/323 ,  H01L27/3272 ,  H01L51/5246

Abstract: A display device includes a substrate, a thin film encapsulation layer, a cover layer, and a touch unit. The substrate includes a display area including pixels, and a non-display area disposed outside the display area. The thin film encapsulation layer is disposed on the substrate. The cover layer overlaps an edge of the thin film encapsulation layer such that the cover layer is disposed on an edge of the display area and in the non-display area. The touch unit is disposed on the thin film encapsulation layer and the cover layer. The cover layer includes a light blocking material.

公开(公告)号：US20240081124A1

公开(公告)日：2024-03-07

申请号：US18313430

申请日：2023-05-08

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Ho KIM ,  Dong Uk KIM ,  Hyoeng Ki KIM ,  Hyeon Bum LEE ,  Hoon Gi LEE ,  Chaun Gi CHOI

IPC: H10K59/40 ,  G06F3/044 ,  H10K59/122 ,  H10K59/38 ,  H10K59/80

CPC classification number: H10K59/40 ,  G06F3/0446 ,  H10K59/122 ,  H10K59/38 ,  H10K59/873 ,  H10K59/8792 ,  H10K2102/311

Abstract: A display device includes a via insulating layer on a substrate; a first electrode on the via insulating layer; a pixel defining layer including an inclined region on the first electrode and including a first opening exposing a portion of the first electrode, and a flat region at a side of the inclined region and in contact with the via insulating layer; a light emitting layer on the portion of the first electrode exposed by the first opening; organic particles on the flat region of the pixel defining layer; an encapsulation layer covering the pixel defining layer, the light emitting layer, and the organic particles, and including a first layer, a second layer, and a third layer; and a first light blocking layer on the third layer of the encapsulation layer to overlap the flat region of the pixel defining layer and form a second opening.

公开(公告)号：US20230389378A1

公开(公告)日：2023-11-30

申请号：US18189948

申请日：2023-03-24

Applicant: Samsung Display Co., LTD.

Inventor： Hyeon Bum LEE ,  Jun Hee LEE

IPC: H10K59/131 ,  H10K59/35 ,  G09G3/3233

CPC classification number: H10K59/131 ,  H10K59/35 ,  G09G3/3233 ,  H10K59/40

Abstract: A display device includes: a first emission area comprising a first light emitting element; a first driving transistor configured to provide a driving current to the first light emitting element and having a first driving channel containing a first material; a first transistor connected to the first driving transistor and having a first channel; a second transistor connected to the first driving transistor and the first transistor and having a second channel; a first data conductive layer comprising a connection electrode connected to the first transistor; and a second data conductive layer comprising a first data line connected to the second transistor and a first driving voltage line connected to the first transistor through the connection electrode, wherein the connection electrode overlaps the first emission area, and wherein the first data line overlaps the connection electrode and does not overlap the first emission area.

公开(公告)号：US20230354679A1

公开(公告)日：2023-11-02

申请号：US17570183

申请日：2022-01-06

Applicant: Samsung Display Co., Ltd.

Inventor： Hyeon Bum LEE ,  Hye Kyung PARK ,  Chi Wook AN ,  Hyun Duck CHO

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

CPC classification number: H10K59/8792 ,  G09G3/3233 ,  H10K59/1201 ,  H10K59/122 ,  G09G2300/0842 ,  G09G2300/0819 ,  G09G2300/0861 ,  G09G2300/0426

Abstract: A light emitting display device and its manufacturing method are presented. The device includes: a substrate; a pixel circuit unit positioned on the substrate; a light emitting diode (LED) electrically connected to the pixel circuit unit; an encapsulation layer covering the pixel circuit unit and the light emitting diode (LED); a light blocking layer disposed on the encapsulation layer and having a first opening, a second opening, and a third opening; a first color filter including a main part in the first opening and an overlapping part connecting adjacent main parts and covering the light blocking layer; a second color filter in the second opening; and a third color filter in the third opening.

公开(公告)号：US20230217717A1

公开(公告)日：2023-07-06

申请号：US17880436

申请日：2022-08-03

Applicant: Samsung Display Co., LTD.

Inventor： Jun Hee LEE ,  Hyeon Bum LEE

IPC: H01L27/32

CPC classification number: H01L27/3246 ,  H01L27/3223

Abstract: A light emitting display device includes: a substrate; a first, a second, and a third conductive pattern on the substrate and extending in a first direction; an organic film covering the first, the second, and the third conductive pattern; an anode on the organic film; and a pixel defining layer having an opening overlapping the anode. The opening of the pixel defining layer overlaps the first, the second, and the third conductive pattern in a plan view. The first, the second, and the third conductive pattern are sequentially positioned in a second direction perpendicular to the first direction. In a portion overlapping the opening of the pixel defining layer in a plan view, a gap between the first conductive pattern and the second conductive pattern in the second direction and a gap between the second conductive pattern and the third conductive pattern in the second direction are the same.

公开(公告)号：US20230172026A1

公开(公告)日：2023-06-01

申请号：US17865071

申请日：2022-07-14

Applicant: Samsung Display Co., LTD.

Inventor： Hyeon Bum LEE

IPC: H01L27/32 ,  H05K1/18 ,  H01L51/52

CPC classification number: H01L27/323 ,  H05K1/189 ,  H01L51/5237 ,  H01L51/5271 ,  H01L51/5284 ,  H05K2201/10128

Abstract: A display device according to an embodiment includes a light emitting element disposed on a substrate, and including a first electrode, an emission layer, and a second electrode; a low-reflective layer disposed on the light emitting element, and including an inorganic material; an encapsulation layer positioned on the low-reflective layer; a reflection adjustment layer positioned on the encapsulation layer; a capping layer positioned on the reflection adjustment layer; and an overcoat layer positioned on the capping layer.

公开(公告)号：US20210273145A1

公开(公告)日：2021-09-02

申请号：US17069339

申请日：2020-10-13

Applicant: Samsung Display Co., LTD.

Inventor： Hyeon Bum LEE

IPC: H01L33/62 ,  H01L27/32 ,  H01L33/38 ,  H01L33/54 ,  H01L33/58

Abstract: A display device includes a circuit element layer disposed on a substrate; a first insulation layer disposed on the circuit element layer; a first conductor pattern disposed on the first insulation layer; a second insulation layer disposed on the first conductor pattern; a second conductor pattern disposed on the second insulation layer; a third insulation layer disposed on the second conductor pattern; an electrode of a light emitting diode disposed on the third insulation layer; and a pixel defining layer disposed on the third insulation layer and including an opening that overlaps the electrode of the light emitting diode. The opening overlaps the first conductor pattern, and in a plan view, an area of the opening matches an area of the first conductor pattern or is disposed inside the area of the first conductor pattern.

公开(公告)号：US20200295108A1

公开(公告)日：2020-09-17

申请号：US16887420

申请日：2020-05-29

Applicant: Samsung Display Co. Ltd.

Inventor： Hyeon Bum LEE ,  Hyoeng Ki KIM ,  Kyong Heon LEE ,  Dong Ki LEE ,  Eon Joo LEE ,  Jin Whan JUNG

IPC: H01L27/32 ,  H01L51/00 ,  H01L51/52 ,  H01L51/56

Abstract: A display device including a substrate, a source electrode and a drain electrode on the substrate, the source electrode and the drain electrode being spaced apart from each other, a first layer on the source electrode or the drain electrode, a second layer directly on the first layer, and a first electrode on the second layer. A step difference between a top of the first layer and a top of the drain electrode is 100 Å or less.

公开(公告)号：US20200066804A1

公开(公告)日：2020-02-27

申请号：US16428753

申请日：2019-05-31

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Whan JUNG ,  Hyeon Bum LEE

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/56 ,  G06F3/041 ,  G06F3/044

Abstract: A display device includes a display panel and a touch sensor on the display panel. The display panel includes: a base layer; a light emitting element having a first electrode on the base layer; a pixel defining layer including an opening region that exposes a portion of the first electrode of the light emitting element; and an encapsulation layer covering the light emitting element and the pixel defining layer. The touch sensor has: a first conductive pattern on the encapsulation layer; a color filter on the encapsulation layer to cover the first conductive pattern, the color filter including a first region including a lens part and overlaps the opening region of the pixel defining layer and a second region overlaps the pixel defining layer; a second conductive pattern on the second region of the color filter; and a black matrix on the second conductive pattern.