公开(公告)号：US20230064695A1

公开(公告)日：2023-03-02

申请号：US17850412

申请日：2022-06-27

Applicant: Samsung Display Co., LTD.

Inventor： Hyung Il JEON ,  Min Woo KIM ,  Sung Kook PARK ,  Sung Eun BAEK ,  Ki Seong SEO ,  Jin Woo CHOI

IPC: H01L33/38 ,  H01L33/62 ,  H01L27/15 ,  H01L33/50 ,  H01L33/00

Abstract: A display device includes a substrate, a first electrode disposed on the substrate, a bonding electrode disposed on the first electrode and electrically connected to the first electrode, a light emitting element disposed on the bonding electrode and including a first end contacting with the bonding electrode, and a second end disposed opposite to the first end in a longitudinal direction, a first insulating layer covering a side surface of the light emitting element and not covering the second end of the light emitting element such that the second end of the light emitting element is exposed, a second electrode covering the first insulating layer and the second end of the light emitting element, a first bank disposed on a portion of the second electrode, and a second bank disposed on the first bank, and the first bank and the second bank include metal.

公开(公告)号：US20230051074A1

公开(公告)日：2023-02-16

申请号：US17661885

申请日：2022-05-03

Applicant: Samsung Display Co., LTD.

Inventor： Sung Kook PARK ,  Min Woo KIM ,  Sung Eun BAEK ,  Jin Woo CHOI ,  Hae Yun CHOI

IPC: H01L33/62 ,  H01L33/38 ,  H01L27/15 ,  H01L33/00

Abstract: A display device and a method of fabricating the same is provided. A display device includes first and second pixel circuit units spaced apart from each other, a first pixel electrode on the first pixel circuit unit, a second pixel electrode on the second pixel circuit unit, a first light-emitting element electrically connected to the first pixel electrode, and for emitting first light, a second light-emitting element electrically connected to the second pixel electrode, and for emitting second light, a first pixel connecting electrode between the first pixel electrode and the first light-emitting element, and a second pixel connecting electrode between the second pixel electrode and the second light-emitting element, wherein the first pixel electrode overlaps with the first light-emitting element, and wherein the second pixel electrode does not overlap with the second light-emitting element.

公开(公告)号：US20230046443A1

公开(公告)日：2023-02-16

申请号：US17708759

申请日：2022-03-30

Applicant: Samsung Display Co., LTD.

Inventor： Hae Yun CHOI ,  Min Woo KIM ,  Sung Kook PARK

IPC: H01L25/075 ,  H01L33/62

Abstract: A display device includes: a substrate; a partition wall on the substrate; a plurality of light emitting areas on the substrate, the light emitting areas including a first light emitting area, a second light emitting area, and a third light emitting area partitioned by the partition wall; a first light emitting element in the first light emitting area and configured to emit first light; a second light emitting element in the second light emitting area and configured to emit second light; and a third light emitting element in the third light emitting area and configured to emit third light. An area of the first light emitting area is larger than an area of the first light emitting element and is larger than an area of the second light emitting area and an area of the third light emitting area.

公开(公告)号：US20220352437A1

公开(公告)日：2022-11-03

申请号：US17563488

申请日：2021-12-28

Applicant: Samsung Display Co., LTD.

Inventor： Dae Ho SONG ,  Min Woo KIM ,  Hyung Il JEON ,  Jin Woo CHOI ,  Sung Kook PARK ,  So Yeon YOON

IPC: H01L33/56 ,  H01L25/16 ,  H01L33/50 ,  H01L33/60

Abstract: A display device includes a bank disposed on a substrate, a light emitting element disposed in a light emitting area partitioned by the bank on the substrate, and extended in a thickness direction of the substrate, a wavelength conversion layer disposed on the light emitting element in the light emitting area and converting a wavelength of light emitted from the light emitting element, and a protective film disposed between the light emitting element and the wavelength conversion layer in the light emitting area. The protective film is disposed between at least one side of the light emitting element and at least one side of the bank which face each other.

公开(公告)号：US20220352246A1

公开(公告)日：2022-11-03

申请号：US17670304

申请日：2022-02-11

Applicant: Samsung Display Co., LTD.

Inventor： Jin Woo CHOI ,  Min Woo KIM ,  Sung Kook PARK ,  Jin Taek PARK ,  Sung Eun BAEK ,  Dae Ho SONG ,  Hyung Il JEON

IPC: H01L27/15 ,  H01L33/10 ,  H01L33/38 ,  H01L33/50

Abstract: A display device includes a first substrate, a plurality of light-emitting elements on the first substrate and spaced from each other, wherein each of the plurality of light-emitting elements extends in a thickness direction of the first substrate, a common electrode on the first substrate and the plurality of light-emitting elements, a first insulating layer on the common electrode and the plurality of light-emitting elements, and a first reflective layer on side surfaces of the plurality of light-emitting elements with the first insulating layer therebetween, wherein the common electrode is in contact with a portion of the side surface of each of the plurality of light-emitting elements.

公开(公告)号：US20220352239A1

公开(公告)日：2022-11-03

申请号：US17559482

申请日：2021-12-22

Applicant: Samsung Display Co., LTD.

Inventor： Sang Jo KIM ,  Min Woo KIM ,  Jin Wan KIM ,  Dae Ho SONG ,  Jin Woo CHOI ,  Su Jeong KIM ,  Young Jin SONG

IPC: H01L27/15 ,  H01L33/00 ,  H01L33/50 ,  H01L33/60

Abstract: A display device includes light emitting elements disposed on a substrate. The light emitting elements include an emission area and a porous area including quantum dots.

公开(公告)号：US20220352131A1

公开(公告)日：2022-11-03

申请号：US17553680

申请日：2021-12-16

Applicant: Samsung Display Co., LTD.

Inventor： Jin Woo CHOI ,  Byung Choon YANG ,  Min Woo KIM ,  Sung Kook PARK ,  Hyung Il JEON

IPC: H01L25/16 ,  H01L33/20 ,  H01L33/50 ,  H01L33/00

Abstract: A display device may include a plurality of light emitting elements on a substrate and arranged in a matrix form along a first arrangement direction and a second arrangement direction crossing the first arrangement direction, and a first sub pixel area and a second sub pixel area each overlapping at least a portion of the plurality of light emitting elements, spaced from each other in a first direction, and extending in a second direction crossing the first direction. The second direction and the first arrangement direction may be non-parallel to each other.

公开(公告)号：US20220328436A1

公开(公告)日：2022-10-13

申请号：US17697720

申请日：2022-03-17

Applicant: Samsung Display Co., LTD.

Inventor： Dae Ho SONG ,  Min Woo KIM ,  Sung Kook PARK ,  Byung Choon YANG ,  So Yeon YOON ,  Hyung Il JEON ,  Joo Woan CHO ,  Jin Woo CHOI

IPC: H01L23/00 ,  H01L25/16 ,  H01L27/12

Abstract: A display device may include: a substrate including a display area and a non-display area; and a pixel located in the display area, the pixel having an emission area and a pixel circuit area. The pixel may include: at least one transistor located in the pixel circuit area; a first pad electrode and a second pad electrode spaced from each other and located in the emission area, the first pad electrode and the second pad electrode being electrically connected to the at least one transistor; a first through hole penetrating one region of the first pad electrode; a second through hole penetrating one region of the second pad electrode; and a light emitting element located in the emission area, the light emitting element being electrically connected to the first pad electrode and the second pad electrode.

公开(公告)号：US20220199725A1

公开(公告)日：2022-06-23

申请号：US17521546

申请日：2021-11-08

Applicant: Samsung Display Co., LTD.

Inventor： Jin Woo CHOI ,  Min Woo KIM ,  Sung Kook PARK ,  Dae Ho SONG ,  Byung Choon YANG ,  Hyung Il JEON

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

Abstract: The display device includes a substrate including a plurality of pixel areas; and a pixel in each of the plurality of pixel areas. The pixel may include a pixel circuit layer on the substrate and including at least one transistor; a first electrode on the pixel circuit layer and electrically connected to the transistor; a plurality of light emitting elements on the first electrode and electrically connected to the first electrode; a second electrode on the plurality of light emitting elements; and a light blocking pattern on the second electrode and including a plurality of openings corresponding to each of the plurality of light emitting elements. Here, each of the plurality of pixel areas may include an emission area corresponding to each of the plurality of openings and a non-emission area excluding the emission area.

公开(公告)号：US20220165921A1

公开(公告)日：2022-05-26

申请号：US17520118

申请日：2021-11-05

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Woo CHOI ,  Min Woo KIM ,  Sung Kook PARK ,  Dae Ho SONG ,  Byung Choon YANG ,  Hyung Il JEON

IPC: H01L33/54 ,  H01L33/62 ,  H01L33/50 ,  H01L33/10 ,  H01L33/00

Abstract: A display device includes a substrate, and a display element part on the substrate, and including a light emitting element configured to emit light in a display direction, and a bank pattern that protrudes in the display direction, wherein the bank pattern and the light emitting element include a same material.