公开(公告)号：US20220328465A1

公开(公告)日：2022-10-13

申请号：US17544149

申请日：2021-12-07

Applicant: Samsung Display Co., LTD.

Inventor： Sung Geun BAE ,  Jeong Hyun LEE ,  Jong Chan LEE ,  Jin Woo LEE ,  Da Sol JEONG ,  Kyung Ah CHOI

IPC: H01L25/16 ,  H01L33/54

Abstract: A display device includes first and second electrodes disposed on a substrate, the first and second electrodes extending in a direction and being parallel to each other, a first insulating layer disposed on the first and second electrodes, light-emitting elements disposed on the first insulating layer, the light-emitting elements having first end portions disposed on the first electrode and second end portions disposed on the second electrode, and a partition disposed on the first insulating layer and being parallel to the first electrode, the partition including a first part that overlaps the light-emitting elements, and second parts that do not overlap the light-emitting elements, wherein a vertical distance from a top surface of the first electrode to a top surface of the first part is equal to a vertical distance from the top surface of the first electrode to top surfaces of the second parts.

公开(公告)号：US20220181521A1

公开(公告)日：2022-06-09

申请号：US17462633

申请日：2021-08-31

Applicant: Samsung Display Co., LTD.

Inventor： Seung Jin CHU ,  Je Min LEE ,  Hyun KIM ,  Myeong Hun SONG ,  Jong Chan LEE ,  Woong Hee JEONG

IPC: H01L33/38 ,  H01L33/00 ,  H01L33/10

Abstract: A display device includes a first electrode disposed on a substrate, a first insulating film disposed on the first electrode and having a first opening formed, a second insulating film disposed on the first insulating film and having a second opening, and a contact electrode electrically contacting at least a portion of the first electrode through the first opening and the second opening, wherein a side surface of the first insulating film defines the first opening, and the second insulating film overlaps the side surface of the first insulating film such that the contact electrode and the first insulating film are not in contact with each other.

公开(公告)号：US20220140194A1

公开(公告)日：2022-05-05

申请号：US17397448

申请日：2021-08-09

Applicant: Samsung Display Co., LTD.

Inventor： Myeong Hun SONG ,  Jong Hwan CHA ,  Ki Nyeng KANG ,  Hee Jung YOON ,  Sung Jin LEE ,  Jong Chan LEE ,  Tae Hee LEE ,  Kyung Ah CHOI ,  Seung Jin CHU

IPC: H01L33/38 ,  H01L27/15 ,  H01L25/075 ,  H01L33/62

Abstract: A display device includes a first electrode group including a plurality of electrodes, a second electrode group spaced apart from the first electrode group in the first direction and including a plurality of electrodes, light-emitting elements disposed on the electrodes spaced apart from one another in the second direction and having a shape extended in the second direction, and connection electrodes. The connection electrodes includes a first connection electrode, a second connection electrode, a third connection electrode, a fourth connection electrode, and the fifth connection electrode, the first connection electrode is spaced apart from a part of the fourth connection electrode disposed on the second electrode group in the first direction, and the second connection electrode is spaced apart from another part of the fourth connection electrode disposed on the first electrode group in the first direction.

公开(公告)号：US20220077121A1

公开(公告)日：2022-03-10

申请号：US17313490

申请日：2021-05-06

Applicant: Samsung Display Co., LTD.

Inventor： Sung Geun BAE ,  Jeong Nyun KIM ,  Zu Seok OH ,  Jeong Hyun LEE ,  Jong Chan LEE ,  Da Sol JEONG

IPC: H01L25/075 ,  H01L27/12 ,  H01L33/50 ,  H01L33/58 ,  H01L33/60

Abstract: A display device includes a base layer including a display area, a first pixel, a second pixel, and a third pixel disposed in the display area and including light-emitting elements disposed in light-emitting areas, a first light conversion layer, a second light conversion layer, and a third light conversion layer on the light-emitting areas of the first pixel, the second pixel, and the third pixel, respectively, a light blocking layer between the first, second and third light conversion layers, and having a height lower than the first, second, and third light conversion layers, the light blocking layer surrounding a portion of side surfaces of the first, second and third light conversion layers, and a first reflective layer disposed on the light blocking layer and surrounding the first, second and third light conversion layers.

公开(公告)号：US20220069167A1

公开(公告)日：2022-03-03

申请号：US17462737

申请日：2021-08-31

Applicant: Samsung Display Co., LTD.

Inventor： Jong Chan LEE ,  Tae Hee LEE ,  Woong Hee JEONG

IPC: H01L33/38 ,  H01L33/62 ,  H01L33/50 ,  H01L27/15

Abstract: A display device includes a substrate including first areas and second areas, active layers disposed on the substrate in the second areas, a first conductive layer including first gate electrodes, a first interlayer insulating layer disposed on the first conductive layer and the substrate, a second conductive layer including first and second electrodes which are disposed in each of the first areas to be spaced apart from each other, a second interlayer insulating layer disposed on the second conductive layer and the first interlayer insulating layer, a third conductive layer including source electrodes and drain electrodes which are disposed on the second interlayer insulating layer in the second areas, a via layer disposed on the third conductive layer in the second areas and exposing the first areas and light-emitting elements disposed on the second interlayer insulating layer in each of the first areas.

公开(公告)号：US20220069040A1

公开(公告)日：2022-03-03

申请号：US17445277

申请日：2021-08-17

Applicant: Samsung Display Co., Ltd.

Inventor： Sung Jin LEE ,  Jong Chan LEE

IPC: H01L27/32 ,  H01L51/56

Abstract: A display device includes a planarization layer on a substrate, a plurality of inner banks and a plurality of outer banks arranged on the planarization layer and extending in one direction, a first alignment electrode and a second alignment electrode on the plurality of inner banks and spaced from each other, a light emitting element on the first alignment electrode and the second alignment electrode and located between the first alignment electrode and the second alignment electrode, and a first contact electrode on the first alignment electrode and contacting a first end of the light emitting element, and a second contact electrode on the second alignment electrode and contacting a second end of the light emitting element. The plurality of outer banks are in contact with the plurality of inner banks at the same layer, and are spaced from each other with the plurality of inner banks interposed therebetween.

公开(公告)号：US20210408104A1

公开(公告)日：2021-12-30

申请号：US17179906

申请日：2021-02-19

Applicant: Samsung Display Co., LTD.

Inventor： Jong Chan LEE ,  Jeong Nyun KIM ,  Jung Gun NAM ,  Sung Geun BAE ,  Sung Jin LEE ,  Tae Hee LEE

IPC: H01L27/15 ,  H01L33/58 ,  H01L33/38

Abstract: A display device includes a first pixel including a first light emitting area in which first light emitting elements are arranged, a second pixel including a second light emitting area in which second light emitting elements are arranged, a light blocking pattern disposed on the first and second pixels to overlap a peripheral area of the first and second light emitting areas and including a first opening corresponding to the first light emitting area and a second opening corresponding to the second light emitting area, and a color filter including a first color filter pattern disposed in the first opening and a second color filter pattern disposed in the second opening. The second pixel includes a greater number of second light emitting elements than a number of the first light emitting elements. The second opening has an area smaller than an area of the first opening.

公开(公告)号：US20210391403A1

公开(公告)日：2021-12-16

申请号：US17290847

申请日：2019-04-30

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Tae Hoon YANG ,  Ki Bum KIM ,  Jong Chan LEE ,  Woong Hee JEONG

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

Abstract: A pixel including: a light emitting element; a first transistor between a first node and the light emitting element to control current flowing from a first driving power source through the light emitting element to a second driving power source; a second transistor between a data line and the first transistor, and tamed on by a first scan signal; a third transistor between the first transistor and first node, and turned on by the first scan signal; and a fourth transistor between an initialization power line and the first node, and turned on by a second scan signal, wherein the fourth transistor is a tunneling field effect transistor including a source and drain area that are spaced apart from each other and have opposite conductivities, a channel area between the source area and drain area, and a gate electrode on the channel area with a gate insulating layer therebetween.

公开(公告)号：US20210336108A1

公开(公告)日：2021-10-28

申请号：US17196358

申请日：2021-03-09

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Wook LEE ,  Tae Hee LEE ,  Jong Chan LEE ,  Woong Hee JEONG

IPC: H01L33/62 ,  H01L25/075 ,  H01L33/60 ,  H01L23/00

Abstract: A display device includes a first electrode disposed on a substrate, a second electrode disposed on the substrate and spaced apart from the first electrode, at least one light-emitting element extending in a direction, disposed between the first electrode and the second electrode, and electrically connected to the first electrode and the second electrode, and an insulating pattern layer disposed on the first electrode and the second electrode, the insulating pattern layer including a fixer disposed on at least part of the at least one light-emitting element, and a barrier surrounding the at least one light-emitting element.

公开(公告)号：US20230327055A1

公开(公告)日：2023-10-12

申请号：US17960205

申请日：2022-10-05

Applicant: Samsung Display Co., LTD.

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

IPC: H01L33/48 ,  H01L25/16 ,  H01L33/38

CPC classification number: H01L33/483 ,  H01L25/167 ,  H01L33/38 ,  H01L2933/0033

Abstract: A display device includes a first electrode and a second electrode on a base layer; a first insulating layer on the first electrode and the second electrode; a bank on the first insulating layer; a light emitting element in an area surrounded by the bank; and a second insulating layer on the bank. The second insulating layer forms an opening exposing a surface of the bank.