公开(公告)号：US12243969B2

公开(公告)日：2025-03-04

申请号：US17291398

申请日：2019-05-27

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Min Cho ,  Jung Hong Min ,  Dae Hyun Kim ,  Dong Uk Kim

IPC: H01L33/62 ,  H01L27/15 ,  H01L33/00 ,  H01L33/16 ,  H01L33/38

Abstract: A light emitting element structure may include at least one light emitting element which is disposed on a substrate and spaced apart from each other, and extends in a direction perpendicular to the substrate; an auxiliary layer which is disposed on the substrate, exposes at least a portion of the upper surface of the substrate, and surrounds the outer surface of the light emitting element; a current spreading layer which is disposed on the auxiliary layer and electrically contacts an end of the light emitting element; a first pad which is electrically connected to the end of the light emitting element, disposed on the current spreading layer, and does not to overlap the light emitting element; and a second pad which is electrically connected to another end of the light emitting element disposed on the upper surface of the exposed substrate and spaced apart from the auxiliary layer.

公开(公告)号：US12243963B2

公开(公告)日：2025-03-04

申请号：US17319602

申请日：2021-05-13

Applicant: Samsung Display Co., LTD.

Inventor： Hyo Jin Ko ,  Duk Ki Kim ,  Jun Bo Sim ,  Na Mi Hong ,  Yong Hwi Kim ,  Chang Hee Lee ,  Jae Kook Ha

IPC: H01L33/26 ,  C09D11/38 ,  C09D11/50 ,  C09K11/02 ,  G02F1/167 ,  H01L33/42 ,  H01L33/50

Abstract: A light emitting element ink comprises a light emitting element solvent, a light emitting element dispersed in the light emitting element solvent, the light emitting element including a plurality of semiconductor layers, and an insulating film surrounding outer surfaces of the plurality of semiconductor layers, and a thickener dispersed in the light emitting element solvent, wherein the thickener includes a compound represented by Chemical Structural Formula 1 as a polyol-based compound capable of forming a hydrogen bond with the light emitting element solvent or another thickener, and the thickener has a boiling point in a range of about 200° C. to about 450° C.

公开(公告)号：US12243876B2

公开(公告)日：2025-03-04

申请号：US17544159

申请日：2021-12-07

Applicant: Samsung Display Co., LTD.

Inventor： Doo Hyun Lee

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

Abstract: A display device includes a first substrate including a display area and a non-display area adjacent to the display area, a first voltage line disposed on the first substrate and supplying a first voltage, a second substrate disposed on the first voltage line, and a thin film transistor layer disposed on the second substrate and comprising a plurality of thin film transistors and a second voltage line disposed in the non-display area and electrically connected to the first voltage line through a first contact hole penetrating the second substrate.

公开(公告)号：US12242306B2

公开(公告)日：2025-03-04

申请号：US18159520

申请日：2023-01-25

Applicant: Samsung Display Co., Ltd.

Inventor： Yunjae Kim ,  Joonhyuk Jang ,  Munsik Ham

IPC: G06F1/16

Abstract: A display module includes: a display unit to be folded along a virtual folding axis, and including: a front surface; and a rear surface opposite to the front surface; a protection cover on the front surface of the display unit; a cover member on the rear surface of the display unit, and including a cutting part to be separable from the cover member and overlapping with a portion of the folding axis; and a cover pad below the cover member.

公开(公告)号：US20250072284A1

公开(公告)日：2025-02-27

申请号：US18766504

申请日：2024-07-08

Applicant: Samsung Display Co., Ltd.

Inventor： CHANSEOK OH ,  TAEIL KIM ,  SUN YOUNG PAK ,  MinJae SUNG ,  MUN-KI SIM ,  Giwoong HAN

IPC: H10K85/60 ,  C07B59/00 ,  C09K11/06 ,  H10K101/20

Abstract: A light emitting element including a first electrode, a second electrode facing the first electrode, and a functional layer provided between the first electrode and the second electrode is provided. The functional layer includes a fused polycyclic compound represented by Formula 1 that may function as a dopant material. The fused ring core includes three aromatic rings connected to at least three heteroatoms, and includes a first linker connected to at least two substituents such as a polycyclic heteroaryl group and an electron-withdrawing group.

公开(公告)号：US20250072265A1

公开(公告)日：2025-02-27

申请号：US18660685

申请日：2024-05-10

Applicant: Samsung Display Co., Ltd.

Inventor： MINSEOK KIM ,  SONGYI KIM ,  SUJIN KIM ,  DONG GYU BAECK ,  YONGSEOK CHOI

IPC: H10K59/80 ,  H10K59/38

Abstract: A display device includes a display layer that provides source light, and a light control layer disposed on the display layer and including a plurality of light control parts distinguished from each other. At least one of the light control parts includes quantum dots that convert a wavelength of the source light, and plate-shaped scatterers made of layered double hydroxide to exhibit improved luminance and excellent display quality.

公开(公告)号：US20250072247A1

公开(公告)日：2025-02-27

申请号：US18949140

申请日：2024-11-15

Applicant: Samsung Display Co., Ltd.

Inventor： Nuree UM ,  Wonkyu KWAK ,  Kyung-Hoon KIM ,  Mihae KIM ,  Jaewon KIM ,  Hyungjun PARK ,  Changsoo PYON ,  Kyonghwan OH ,  Junwon CHOI

IPC: H10K59/131 ,  H10K77/10

Abstract: A display device includes a substrate including a display region, a hole, and a hole edge region surrounding the hole, first data lines disposed on the substrate, extending in a first direction, arranged in a second direction intersecting the first direction in the display region, and bypassing the hole along the hole edge region, and second data lines disposed on the substrate, extending in the first direction, alternately arranged with the first data lines in the second direction in the display region, and bypassing the hole along the hole edge region. At least one of the first data lines intersects at least one of the second data lines such that the first data lines are disposed adjacent to each other and the second data lines are disposed adjacent to each other in the hole edge region.

公开(公告)号：US20250072224A1

公开(公告)日：2025-02-27

申请号：US18675459

申请日：2024-05-28

Applicant: Samsung Display Co., Ltd.

Inventor： WOO YONG SUNG ,  SEUNGYONG SONG ,  Hee Jun YANG ,  JEONGSEOK LEE

IPC: H10K59/122 ,  H10K59/40 ,  H10K59/80 ,  H10K102/00

Abstract: A display device includes a pixel defining layer including a light emitting opening defined therein, a barrier wall layer on the pixel defining layer and including barrier walls spaced apart from each other and defining a barrier wall opening of the barrier wall layer which is between the barrier walls, the barrier wall opening overlapping the light emitting opening of the pixel defining layer, a light emitting element overlapping the light emitting opening of the pixel defining layer. and a spacer which is on a barrier wall among the barrier walls and spaced apart from the light emitting opening and the barrier wall opening. The barrier wall which has the spacer thereon defines a blocking opening of the barrier wall which surrounds the spacer.

公开(公告)号：US20250072222A1

公开(公告)日：2025-02-27

申请号：US18624012

申请日：2024-04-01

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kook Hyun CHOI ,  Changwook KIM ,  Changhyun BACK ,  Minjung ANN ,  Wang Jo LEE ,  Jun Hee LEE ,  Hyun Duck CHO ,  Beohm Rock CHOI ,  Yechan CHOI

IPC: H10K59/122 ,  H10K59/35 ,  H10K59/80

Abstract: A light emitting display device includes a substrate, anodes disposed on the substrate, a pixel defining layer having first openings overlapping each of the anodes, light emitting layers each disposed within the first openings of the pixel defining layer, a cathode disposed on the light emitting layers and the pixel defining layer, an encapsulation layer disposed on the cathode, and a light blocking layer disposed on the encapsulation layer and including second openings each overlapping the first openings. One unit pixel includes two light emitting areas of a first color, one light emitting area of a second color, and one light emitting area of a third color. The light emitting areas of the first color have a diamond shape, the second color and the third color light emitting areas each have a rectangular shape, and at least one second opening has an oval shape.

公开(公告)号：US20250072218A1

公开(公告)日：2025-02-27

申请号：US18942776

申请日：2024-11-11

Applicant: Samsung Display Co., Ltd.

Inventor： Chulkyu Kang ,  Kiwook Kim ,  Jinwoo Park ,  Dongsun Lee ,  Sangmoo Choi

IPC: H10K59/121 ,  H01L27/12 ,  H01L29/786 ,  H10K59/131

Abstract: A display apparatus may include a first transistor, a second transistor, and a capacitor. The first transistor includes a first semiconductor layer and a first gate electrode insulated from the first semiconductor layer. The first semiconductor layer includes a first silicon semiconductor. The second transistor includes a second semiconductor layer and a second gate electrode insulated from the second semiconductor layer. The second semiconductor layer includes a first oxide semiconductor. The capacitor includes a first electrode and a second electrode. The second electrode overlaps the first electrode and extends from the second semiconductor layer.