公开(公告)号：US20230006112A1

公开(公告)日：2023-01-05

申请号：US17702659

申请日：2022-03-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ji Yoon KIM ,  Chang Hee LEE ,  Se Hun KIM ,  Young Mo KOO ,  Jae Kook HA

IPC: H01L33/50 ,  H01L25/16 ,  H01L27/32 ,  H01L33/60 ,  H01L51/52 ,  G02B5/20 ,  G02B5/00

Abstract: A color changing substrate comprises a substrate comprising emission areas and non-emission areas, a color filter layer on the substrate and comprising a light blocking member partitioning the emission areas and the non-emission areas, and a plurality of color filters in areas surrounded by the light blocking member, a bank overlapping the light blocking member, a wavelength control layer comprising wavelength conversion layers and a light transmitting layer in areas surrounded by the bank, a reflective layer overlapping the bank, a first metal oxide layer overlapping the reflective layer, and a self-assembled layer overlapping the first metal oxide layer.

公开(公告)号：US20220109083A1

公开(公告)日：2022-04-07

申请号：US17320925

申请日：2021-05-14

Applicant: Samsung Display Co., LTD.

Inventor： Chang Hee LEE ,  Dong Uk KIM ,  Se Hun KIM ,  Hyo Jin KO ,  Dong Hoon KWAK ,  Young Il KIM ,  Ji Yoon KIM

IPC: H01L33/20 ,  H01L33/38 ,  H01L27/15 ,  H01L33/00

Abstract: A light emitting element includes a first surface corresponding to an end of the light emitting element, a second surface corresponding to another end of the light emitting element, a first semiconductor layer adjacent to the first surface, the first semiconductor layer including a first type of semiconductor, a second semiconductor layer adjacent to the second surface, the second semiconductor layer including a second type of semiconductor different from the first type of semiconductor, and an active layer disposed between the first semiconductor layer and the second semiconductor layer. An area of the first surface is larger than an area of the second surface, and a distance between the first surface and the second surface is shorter than a length defined by the first surface.

公开(公告)号：US20220165817A1

公开(公告)日：2022-05-26

申请号：US17469926

申请日：2021-09-09

Applicant: Samsung Display Co., Ltd.

Inventor： Yool Guk KIM ,  Ji Yoon KIM

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

Abstract: A display device includes a substrate comprising a display area and a non-display area, a via layer disposed on the substrate, a pixel electrode disposed on the via layer in the display area, and a pixel-defining layer disposed on the pixel electrode and a part of the via layer exposed by the pixel electrode, wherein the pixel-defining layer comprises a first area disposed in the display area and comprising an opening exposing a part of the pixel electrode, and a second area disposed in the non-display area and comprising an end, and wherein the first area comprises a first side surface defining the opening, wherein the second area comprises a second side surface at the end, wherein a first taper angle which is a taper angle of the first side surface is different from a second taper angle which is a taper angle of the second side surface.

公开(公告)号：US20220130921A1

公开(公告)日：2022-04-28

申请号：US17326262

申请日：2021-05-20

Applicant: Samsung Display Co., Ltd.

Inventor： Ji Yoon KIM ,  Yool Guk KIM

IPC: H01L27/32 ,  H01L51/52

Abstract: A display device according to an embodiment includes: a substrate including a display area, a dummy area, and a peripheral area; a passivation layer positioned in the display area, the dummy region, and the peripheral area of the substrate; a first adhesive auxiliary layer positioned on the passivation layer and positioned in the dummy region; a dummy pixel defining layer positioned on the first adhesive auxiliary layer and including a hydrophobic material; a second adhesive auxiliary layer positioned on the passivation layer, positioned in the peripheral area, and including a lateral side contacting the dummy pixel defining layer; a common voltage transmitter positioned in the peripheral area; and a common electrode connected to the common voltage transmitter, and positioned on the second adhesive auxiliary layer and the dummy pixel defining layer.

公开(公告)号：US20230110744A1

公开(公告)日：2023-04-13

申请号：US17746444

申请日：2022-05-17

Applicant: Samsung Display Co., LTD.

Inventor： Ji Yoon KIM ,  Chang Hee LEE ,  Dong Hoon KWAK ,  Young Mo KOO

IPC: H01L27/32 ,  H01L51/50 ,  H01L51/56

Abstract: A display device includes an auxiliary electrode disposed on a substrate, a bank layer disposed on the auxiliary electrode, a conductive layer disposed on the auxiliary electrode, the conductive layer including a base portion and protrusions protruded from the base portion, an organic layer disposed on the conductive layer, and a cathode electrode disposed on the organic layer, the cathode electrode being in contact with the protrusions.

公开(公告)号：US20220293701A1

公开(公告)日：2022-09-15

申请号：US17515902

申请日：2021-11-01

Applicant: Samsung Display Co., LTD.

Inventor： Ji Yoon KIM

IPC: H01L27/32

Abstract: A display device includes a base layer; a first electrode located over the base layer; a bank located over the base layer; a light emitting element comprising a coupling electrode layer located over the first electrode; and a second electrode located over the light emitting element. The first electrode and the bank are spaced apart from each other.

公开(公告)号：US20220223772A1

公开(公告)日：2022-07-14

申请号：US17445801

申请日：2021-08-24

Applicant: Samsung Display Co., Ltd.

Inventor： Chang Hee LEE ,  Young Il KIM ,  Hyo Jin KO ,  Dong Hoon KWAK ,  Dong Uk KIM ,  Se Hun KIM ,  Ji Yoon KIM

IPC: H01L33/62 ,  H01L25/075 ,  H01L27/12 ,  H01L33/00 ,  H01L33/24

Abstract: A light emitting diode includes: a first semiconductor layer; an active layer located on one surface of the first semiconductor layer; a second semiconductor layer located on one surface of the active layer; an electrode layer located on one surface of the second semiconductor layer; and a bonding electrode layer located on the other surface of the first semiconductor layer.

公开(公告)号：US20220013603A1

公开(公告)日：2022-01-13

申请号：US17343888

申请日：2021-06-10

Applicant: Samsung Display Co., LTD.

Inventor： Ji Yoon KIM ,  Yool Guk KIM

IPC: H01L27/32 ,  H01L51/50 ,  H01L51/56

Abstract: A display device includes a substrate, a pixel defining layer defining a first opening, a light emitting element including a first electrode exposed to outside the pixel defining layer by the first opening and a light emitting layer in the first opening and facing the first electrode, and a spacer spaced apart from the pixel defining layer along the substrate. The pixel defining layer and the spacer each includes a top surface which is furthest from the substrate and a height of the top surface from the substrate, and the height of the top surface of the spacer is greater than the height of the top surface of the pixel defining layer.

公开(公告)号：US20250107391A1

公开(公告)日：2025-03-27

申请号：US18642327

申请日：2024-04-22

Applicant: Samsung Display Co., LTD. ,  SEOUL NATIONAL UNIVERSITY OF SCIENCE AND TECHNOLOGY

Inventor： Ji Yoon KIM ,  Hyunsik YOON

IPC: H10K59/70 ,  H10K59/122 ,  H10K59/80

Abstract: A display device includes a first substrate including a light emitting area and a non-light emitting area, a first pixel electrode disposed on the light emitting area of the first substrate, a pixel defining layer disposed on the non-light emitting area of the first substrate and the first pixel electrode, a light emitting structure disposed on the first pixel electrode and including quantum dots, and a common electrode covering the light emitting structure and the pixel defining layer, wherein the pixel defining layer includes an inorganic insulating material layer including a fluorine-based material.

公开(公告)号：US20250048840A1

公开(公告)日：2025-02-06

申请号：US18407446

申请日：2024-01-09

Applicant: Samsung Display Co., Ltd.

Inventor： Sang Ho LEE ,  Hee Woon IM ,  Yool Guk KIM ,  Ji Yoon KIM ,  Hyeon Sik KIM

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

Abstract: According to an embodiment of the disclosure, a display device is provided. The display device includes a base layer including a display area and a peripheral area, a light emitting element disposed in the display area and including a first electrode, a second electrode, and a light emitting part disposed between the first electrode and the second electrode, an electrode disconnection member disposed in the peripheral area, and an electrode portion disposed adjacent to the electrode disconnection member. The electrode disconnection member includes a reverse-taper member surrounding an area in a plan view. The reverse-taper member includes an inner edge facing the area. The electrode portion includes a first electrode portion disposed in the area and a second electrode portion disposed on an upper surface of the reverse-taper member along the inner edge. The first electrode portion and the second electrode portion are physically spaced apart from each other.