公开(公告)号：US20240006558A1

公开(公告)日：2024-01-04

申请号：US18104467

申请日：2023-02-01

Applicant: Samsung Display Co., LTD.

Inventor： Jeong Su PARK ,  Jun Seok MIN ,  Sung Jin LEE ,  Jong Chan LEE ,  Woong Hee JEONG

IPC: H01L33/38 ,  H01L33/00 ,  H01L25/075

CPC classification number: H01L33/382 ,  H01L33/005 ,  H01L25/0753 ,  H01L2933/0016

Abstract: A display device includes a first electrode and a second electrode disposed on a substrate; a first insulating layer disposed over the first electrode and the second electrode; a first bank and a second bank disposed on the first insulating layer and spaced apart from each other; and a light emitting element disposed between the first bank and the second bank. A top surface of the first bank may include a concave groove including a dam structure protruding in a first direction.

公开(公告)号：US20230032275A1

公开(公告)日：2023-02-02

申请号：US17749964

申请日：2022-05-20

Applicant: Samsung Display Co., LTD.

Inventor： Myeong Hun SONG ,  Jong Chan LEE ,  Hyun KIM ,  Jeong Kook WANG ,  In Woo KIM ,  Seung Jin CHU ,  Jeong Su PARK ,  Yong Tae CHO

IPC: H01L33/38 ,  H01L33/62 ,  H01L27/15

Abstract: A display device includes a substrate, first and second bridge electrodes on the substrate and spaced apart from each other, a first electrode on the first bridge electrode, a second electrode on the second bridge electrode and spaced apart from the first electrode, a first insulating layer on the first electrode and the second electrode, a light emitting element on the first insulating layer, and on the first electrode and the second electrode, a first connection electrode on the first electrode, and contacting the light emitting element and the first bridge electrode, and a second connection electrode on the second electrode, and contacting the light emitting element and the second bridge electrode, wherein the first electrode directly contacts the first bridge electrode, and is separated from the first connection electrode, and wherein the second electrode directly contacts the second bridge electrode, and is separated from the second connection electrode.

公开(公告)号：US20220328726A1

公开(公告)日：2022-10-13

申请号：US17699426

申请日：2022-03-21

Applicant: Samsung Display Co., LTD.

Inventor： Jong Chan LEE ,  Cheol Ku KANG ,  Hyun KIM ,  Jeong Su PARK ,  Myeong Hun SONG ,  Hyun Wook LEE

IPC: H01L33/38 ,  H01L33/62 ,  H01L33/00

Abstract: A manufacturing method of a display device and a display device are provided. A manufacturing method of a display device includes: preparing a substrate including a light emitting area and a non-light emitting area; arranging a first electrode, a second electrode, a first uncut electrode, and a second uncut electrode on the substrate; forming a bank in the non-light emitting area of the substrate; arranging a light emitting element in the light emitting area of the substrate; removing at least a portion of each of the first uncut electrode and the second uncut electrode; arranging a first contact electrode electrically connecting the light emitting element and the first electrode; and arranging a second contact electrode electrically connecting the light emitting element and the second electrode, and the at least the portion of each of the first uncut electrode and the second uncut electrode is removed within an open area.

公开(公告)号：US20220199870A1

公开(公告)日：2022-06-23

申请号：US17475996

申请日：2021-09-15

Applicant: Samsung Display Co., LTD.

Inventor： Hyun KIM ,  Jeong Su PARK ,  Myeong Hun SONG ,  Sang Hoon LEE ,  Jong Chan LEE

IPC: H01L33/54 ,  H01L25/16 ,  H01L33/38 ,  H01L33/62

Abstract: A display device includes a substrate; a first electrode and a second electrode disposed in an emission area and a sub-region and spaced apart from each other in a first direction; a first insulating layer disposed on the first electrode and the second electrode; light emitting elements disposed on the first insulating layer in the emission area, and including ends disposed on the first and second electrodes, respectively; and a second insulating layer disposed on the first insulating layer. The second insulating layer includes a fixing pattern; a support pattern portion; and a connection portion electrically connecting the fixing pattern and the support pattern portion, and the fixing pattern includes a first region that contacts an outer surface of the light emitting elements and a second region that does not contact the outer surface of the light emitting elements.

公开(公告)号：US20240349563A1

公开(公告)日：2024-10-17

申请号：US18526013

申请日：2023-12-01

Applicant: Samsung Display Co., LTD.

Inventor： Sangho JEON ,  Yo Sub KO ,  Jungmin MOON ,  Jeong Su PARK ,  Dong Hoon KIM

IPC: H10K59/35 ,  G09G3/3241

CPC classification number: H10K59/35 ,  G09G3/3241 ,  H10K2101/40 ,  H10K2102/361

Abstract: A display device includes a red pixel, a green pixel, and a blue pixel comprising a plurality of transistors and an organic light emitting element. The organic light emitting element has a value of a temperature sensitive factor (TSF) in a range of about 0.25×10−1 Cd·m2/V to about 0.51×10−1 Cd·m2/V as shown in a following equation:






T
⁢
S
⁢
F

=


d
⁡
(


Δ
⁢

L
⁡
(

c
,
T

)



Δ
⁢

J
⁡
(

c
,
T

)



)


dV
⁡
(
c
)



,




where, ΔJ is the amount of change in current density, ΔL is the amount of change in luminance, V is the voltage, a variable c is the color, and T is a temperature.

公开(公告)号：US20220399398A1

公开(公告)日：2022-12-15

申请号：US17696051

申请日：2022-03-16

Applicant: Samsung Display Co., LTD.

Inventor： Hyun KIM ,  Jeong Su PARK ,  Jong Chan LEE

IPC: H01L27/15 ,  H01L33/00 ,  H01L33/24 ,  H01L33/38 ,  H01L33/44 ,  H01L33/50 ,  H01L33/58

Abstract: A display device may include pixels disposed on a substrate, each of the pixels including a via layer disposed on the substrate and formed of an organic layer; first and second alignment electrodes disposed on the via layer; a first insulating layer disposed on the first and second alignment electrodes; a first bank pattern disposed on the first insulating layer on the first alignment electrode, and a second bank pattern disposed on the first insulating layer on the second alignment electrode; a second insulating layer disposed on the first and second bank patterns and the first insulating layer; at least one light emitting element disposed on the second insulating layer; a first electrode electrically connected to the light emitting element and the first alignment electrode; and a second electrode electrically connected to the light emitting element and the second alignment electrode. The first insulating layer may include an organic layer.

公开(公告)号：US20220328528A1

公开(公告)日：2022-10-13

申请号：US17550429

申请日：2021-12-14

Applicant: Samsung Display Co., LTD.

Inventor： Jong Chan LEE ,  Hyun KIM ,  Jeong Su PARK ,  Jeong Kook WANG ,  Hyun Wook LEE ,  Yong Tae CHO

IPC: H01L27/12 ,  H01L25/16 ,  H01L33/60

Abstract: A display device includes a first electrode and a second electrode spaced apart from each other, each of the first electrode and the second electrode including an electrode base layer, a main electrode layer disposed on the electrode base layer, and an electrode upper layer disposed on a portion of the main electrode layer, a first insulating layer disposed on the first electrode and the second electrode, light-emitting elements disposed on the first electrode and the second electrode on the first insulating layer, a first connecting electrode electrically contacting the light-emitting elements, and a second connecting electrode electrically contacting the light-emitting elements. The first electrode includes a first part, the second electrode includes a second part, and the light-emitting elements are disposed on the first part and the second part.

公开(公告)号：US20250105233A1

公开(公告)日：2025-03-27

申请号：US18976852

申请日：2024-12-11

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Chan LEE ,  Jeong Hyun LEE ,  Hyun KIM ,  Jung Gun NAM ,  Jang Soon PARK ,  Jeong Su PARK ,  Sung Geun BAE ,  Myeong Hun SONG ,  Da Sol JEONG ,  Won Hyeong HEO

IPC: H01L25/16 ,  H01L33/38 ,  H01L33/62

Abstract: A display device and a method of fabricating a display device. The display device includes a substrate including an emission area and a subarea adjacent to the emission area, a bank disposed in the emission area of the substrate, a height difference compensation pattern disposed in the subarea of the substrate, a first electrode and a second electrode that are disposed on the bank, the first electrode and the second electrode being spaced apart from each other, and a light-emitting element disposed in the emission area, between the first electrode and the second electrode.

公开(公告)号：US20240014349A1

公开(公告)日：2024-01-11

申请号：US18117009

申请日：2023-03-03

Applicant: Samsung Display Co., LTD.

Inventor： Jeong Su PARK ,  Jun Seok MIN ,  Jong Chan LEE

IPC: H01L33/38 ,  H01L33/32 ,  H01L33/00 ,  H01L25/075 ,  H01L33/62

CPC classification number: H01L33/382 ,  H01L33/325 ,  H01L33/0075 ,  H01L25/0753 ,  H01L33/62 ,  H01L2933/0016

Abstract: A light emitting element includes a first light emitting element including a first semiconductor layer, an active layer, and a second semiconductor layer, which are sequentially disposed in a first direction, a second light emitting element including a first semiconductor layer, an active layer, and a second semiconductor layer, which are spaced apart from the first light emitting element and sequentially disposed in a reverse direction of the first direction, and an insulative film surrounding a portion of the first light emitting element and a portion of the second light emitting element.

公开(公告)号：US20230317883A1

公开(公告)日：2023-10-05

申请号：US18103726

申请日：2023-01-31

Applicant: Samsung Display Co., LTD.

Inventor： Jong Chan LEE ,  Jin Taek KIM ,  Hyun KIM ,  Jeong Su PARK ,  Sok Ho LEE ,  Woong Hee JEONG ,  Jung Eun HONG

IPC: H01L33/38 ,  H01L33/62 ,  H01L33/54 ,  H01L33/00

CPC classification number: H01L33/382 ,  H01L33/62 ,  H01L33/54 ,  H01L33/005 ,  H01L2933/0016 ,  H01L2933/0066

Abstract: A display device comprises a pad electrode disposed on a substrate, a pad electrode upper layer disposed on the pad electrode, a first pad electrode capping layer disposed on the pad electrode upper layer, a second pad electrode capping layer disposed on the first pad electrode capping layer, a protective layer disposed on the second pad electrode capping layer, and a capping layers disposed on the protective layer. The protective layer comprises a polymer resin and scattering particles. The protective layer comprises a first pad opening exposing the second pad electrode capping layer.