公开(公告)号：US20250031572A1

公开(公告)日：2025-01-23

申请号：US18888377

申请日：2024-09-18

Applicant: Samsung Display Co., Ltd.

Inventor： Jiyoung SONG ,  Seulong KIM ,  Pilgu KANG ,  Eungyoung PARK ,  Hajin SONG ,  Hyekyun LEE ,  Soonchul CHANG ,  Dongseob JEONG ,  Yangjin CHO ,  Jina HUR

IPC: H10K85/60 ,  H10K50/11 ,  H10K50/115 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/18 ,  H10K85/30 ,  H10K85/40 ,  H10K101/10

Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an emission region between the first electrode and the second electrode and including a first emission layer and a second emission layer; and a hole blocking layer between the first emission layer and the first electrode, or between the second emission layer and the second electrode, wherein the second emission layer may be between the first emission layer and the hole blocking layer, the first emission layer may include a first host and a first light-emitting material, the second emission layer may include a second host and a second light-emitting material, and the first light-emitting material and the second light-emitting material may respectively be included in the first emission layer and the second emission layer at an identical ratio.

公开(公告)号：US20250031539A1

公开(公告)日：2025-01-23

申请号：US18771231

申请日：2024-07-12

Applicant: Samsung Display Co., Ltd.

Inventor： KIKYUNG YOUK ,  HONGAM KIM ,  SEUNGSUE RYU

IPC: H10K59/131 ,  H10K59/38 ,  H10K59/40 ,  H10K59/88

Abstract: A display device that includes a light emitting element disposed on a display area, a first signal pad electrically connected to the light emitting element and disposed in a non-display area adjacent to the display area, and a second signal pad spaced apart disposed in the non-display area. The display device may include an insulating layer overlapping an edge of the first signal pad and an edge of the second signal pad and disposed in the non-display area; a lighting circuit part disposed between the first signal pad and the second signal pad on the non-display area, and an organic protection layer overlapping the lighting circuit part and disposed in the non-display area, The insulating layer may be disposed between the lighting circuit part and the organic protection layer. Therefore, the display device may exhibit excellent reliability.

公开(公告)号：US20250031534A1

公开(公告)日：2025-01-23

申请号：US18374810

申请日：2023-09-29

Applicant: Samsung Display Co., Ltd.

Inventor： Youngjin CHO ,  Yangwan KIM ,  Joong-Soo MOON ,  Minwoo BYUN ,  Changkyu JIN

IPC: H10K59/131 ,  G06F3/041 ,  G06F3/044 ,  H01L27/12 ,  H05K1/14 ,  H05K1/18 ,  H10K50/844 ,  H10K59/123 ,  H10K59/124 ,  H10K59/40 ,  H10K77/10 ,  H10K102/00

Abstract: An electronic apparatus includes a base substrate having an active area and a peripheral area adjacent to the active area. A plurality of pixels is disposed on the active area. The electronic apparatus also includes a plurality of power lines connected to the pixels. A power pad is disposed on a peripheral area and is configured to receive a power voltage. A power pattern is disposed on the peripheral area and connecting the power lines to the power pad. A plurality of sensing electrodes is disposed on the pixels in the active area. A plurality of sensing pads is disposed on the peripheral area and is electrically connected to the sensing electrodes. The sensing pads overlap with the power pattern.

公开(公告)号：US20250031530A1

公开(公告)日：2025-01-23

申请号：US18910391

申请日：2024-10-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yongseok Kim ,  Dongwon Kim ,  Sangwoo Kim ,  Gyujeong Lee

IPC: H10K59/122 ,  H10K50/844 ,  H10K59/12 ,  H10K59/131 ,  H10K59/35 ,  H10K71/00

Abstract: A display apparatus includes: a substrate including a first area and a plurality of second areas extending from the first area in different directions from each other; a light emitting device disposed on the first area and including a first electrode, a second electrode, and an intermediate layer between the first electrode and the second electrode; a first organic layer disposed on the first area, where a distance from an upper surface of the first organic layer to an upper surface of the substrate is greater than a distance from an upper surface of the first electrode to the upper surface of the substrate; and a disconnection portion disposed on the first organic layer and including a tip, an edge of an upper surface of which more protrudes away from a center of the first organic layer than an edge of the upper surface of the first organic layer.

公开(公告)号：US20250031521A1

公开(公告)日：2025-01-23

申请号：US18734185

申请日：2024-06-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： CHUN GI YOU

IPC: H10K59/121 ,  G02B27/01 ,  H10K59/12 ,  H10K59/131 ,  H10K59/38 ,  H10K59/80

Abstract: A display device includes a substrate having a first surface and a second surface opposite to each other, a first driving element layer disposed on the first surface of the substrate and including a display driving circuit, at least one insulating layer disposed on the first driving element layer, a light emitting element layer including a light emitting element and disposed on the at least one insulating layer, an encapsulation layer disposed on the light emitting element layer, a second driving element layer disposed on the second surface of the substrate and including a plurality of pixel driving circuits electrically connected to the light emitting element through a first through-substrate via penetrating the substrate, the first driving element layer, and the at least one insulating layer, and a protective layer disposed on the second driving element layer.

公开(公告)号：US20250031322A1

公开(公告)日：2025-01-23

申请号：US18651741

申请日：2024-05-01

Applicant: Samsung Display Co., Ltd.

Inventor： JUNG-HO MYUNG ,  DAE WON KIM

IPC: H05K5/02 ,  H05K5/03

Abstract: A display device includes a display panel including a display region at which the display panel is foldable or rollable, a window foldable or rollable together with the display panel and including first and second window end portions, and a bracket in which the display panel and the window are received. The bracket includes a first bracket corresponding to display region and the first and second window end portions, second and third brackets which extend from the first bracket and along which the first and second window end portions respectively extends. racket, a receiving groove defined by the first and third brackets and into which the second window portion extends to have a length overlapping the third bracket. Folding and unfolding (or rolling and unrolling) of the display panel includes varying of the length of the second window portion which overlaps the third bracket.

公开(公告)号：US20250029559A1

公开(公告)日：2025-01-23

申请号：US18733732

申请日：2024-06-04

Applicant: Samsung Display Co., LTD.

Inventor： Jin Joo HA ,  Se Hyun LEE ,  Kwi Hyun KIM

IPC: G09G3/3233 ,  G09G3/32 ,  H10K59/121

Abstract: A display device and a mobile electronic device including the display device each include a substrate, a driving element layer on the substrate and including pixel driving circuits for driving pixels, and a light emitting element layer on the driving element layer and including a light emitting element of each pixel. Transistors included in each pixel driving circuit are divided into a first transistor group and a second transistor group connected to a first well region and a second well region of the substrate, respectively, the first and second well regions in each pixel are spaced apart from each other by a first interval, the pixels include a first pixel and a second pixel adjacent to each other in a first direction, and well regions adjacent to each other in the first pixel and the second pixel are spaced apart from each other by the first interval.

公开(公告)号：US20250028208A1

公开(公告)日：2025-01-23

申请号：US18625770

申请日：2024-04-03

Applicant: Samsung Display Co., LTD.

Inventor： Hyo Jung KIM ,  Ki Yong PARK ,  Hye Sun SUNG ,  Seung Bo SHIM

IPC: G02F1/1345 ,  G02F1/1333 ,  H10K59/82

Abstract: A display device includes a display panel including a first surface and a second surface, the display panel including a base layer and a display layer on the base layer; a driving circuit part disposed on the second surface of the display panel, the driving circuit part including a ground line and a driving circuit; a conductive resin part disposed on the second surface of the display panel, the conductive resin part being electrically connected to the ground line, the conductive resin part including a conductive particle and a resin; and a set bracket covering at least a portion of the second surface of the display panel, the set bracket forming an electrical contact surface with the conductive resin part.

公开(公告)号：US20250027191A1

公开(公告)日：2025-01-23

申请号：US18440424

申请日：2024-02-13

Applicant: Samsung Display Co., Ltd.

Inventor： Jeongkuk Kim ,  Youngjin Song ,  Jinwoo Lee ,  Sugwoo Jung ,  Sungwon Cho ,  Junho Jo

IPC: C23C14/04 ,  H10K71/16

Abstract: An apparatus for manufacturing a display apparatus includes a mask assembly, wherein the mask assembly includes a first mask layer including a silicon material, a first portion, and a second portion on the first portion, wherein a first portion opening is disposed in the first portion and a plurality of second portion openings are disposed in the second portion above the first portion opening, and a second mask layer disposed on the first mask layer. The second mask layer includes an inorganic material, wherein the inorganic material has a plurality of second mask openings above the plurality of second portion openings, and wherein, in a cross-sectional view, a width of each of the plurality of second portion openings increases with distance from the second mask layer.

公开(公告)号：US20250026948A1

公开(公告)日：2025-01-23

申请号：US18732801

申请日：2024-06-04

Applicant: Samsung Display Co., LTD.

Inventor： Jinsuop YOUN ,  Minjun KIM ,  BONGYONG KIM ,  YoungMin KIM ,  YOUNG WOO PARK ,  CHULJIN PARK ,  JEONGWOO LEE ,  Young Woong JANG ,  HYUNMOO CHOI ,  MISUN KIM ,  Janghyuk Kim ,  Heeje WOO ,  Eunsun YU

IPC: C09D11/52 ,  C09D11/033 ,  C09D11/037 ,  G02F1/1343 ,  G02F1/167 ,  G02F1/1676

Abstract: Embodiments provide an ink composition, a film manufactured using the ink composition, and an electrophoretic display device including the film. The ink composition includes (A) a semiconductor nanorod, and (B) a dispersion medium, wherein the dispersion medium includes: (B1) a compound which has a viscosity at 25° C. of 70 cps or less and has a dielectric constant of 5 or more; (B2) a compound which has a viscosity at 25° C. of 80 cps or more or is a solid and has a dielectric constant of 5 or more; (B3) a compound which has a viscosity at 25° C. of 20 cps or more or is a solid and has a dielectric constant of less than 5; and (B4) a compound which has a viscosity at 25° C. of 12 cps or less or is a solid and has a dielectric constant of 4 to 7.5.