公开(公告)号：US20250072213A1

公开(公告)日：2025-02-27

申请号：US18943912

申请日：2024-11-12

Applicant: Samsung Display Co., Ltd.

Inventor： SUMI JANG ,  MINCHAE KWAK ,  KYEONGHWA KIM ,  MIHAE KIM ,  KYONGHWAN OH ,  SEUNGHAN JO ,  JAE-HO CHOI

IPC: H10K59/121 ,  H10K59/131

Abstract: A display device includes a circular display area and a non-display area surrounding the circular display area. The display device may further include a load matcher disposed adjacent to an edge of the circular display area in the circular display area, a pixel disposed in the circular display area, spaced apart from the non-display area by the load matcher, and connected to the load matcher, and a repair pixel disposed adjacent to the edge of the circular display area in the non-display area, and connected to the pixel.

公开(公告)号：US20250072203A1

公开(公告)日：2025-02-27

申请号：US18616884

申请日：2024-03-26

Applicant: Samsung Display Co., Ltd.

Inventor： JONGWON LEE ,  PILGU KANG ,  SEUNG CHEOL KIM ,  CHANG-MIN LEE ,  HAKCHOONG LEE ,  WONSUK HAN ,  JAEHOON HWANG

IPC: H10K50/13 ,  H10K59/38

Abstract: A light emitting element includes a first electrode, a first light emitting stack disposed on the first electrode, a second light emitting stack disposed on the first light emitting stack, a third light emitting stack disposed on the second light emitting stack, a fourth light emitting stack disposed on the third light emitting stack, a fifth light emitting stack disposed on the fourth light emitting stack, a second electrode disposed on the fifth light emitting stack, and charge generation layers disposed between adjacent ones of the first light emitting stack to the fifth light emitting stack. Each of the first light emitting stack to the fifth light emitting stack includes at least one emission layer, and the first light emitting stack to the fifth light emitting stack include at least two blue emission layers, at least one green emission layer, and at least one red emission layer.

公开(公告)号：US20250072179A1

公开(公告)日：2025-02-27

申请号：US18627247

申请日：2024-04-04

Applicant: Samsung Display Co., LTD.

Inventor： YONG JUN PARK ,  YOUNG SUK LEE

IPC: H01L33/58 ,  H01L25/075

Abstract: A display device includes: a light emitting element layer including at least one light emitting device to emit light; a light transmitting film on the light emitting element layer, the light transmitting film having a first refractive index, and defining openings; a light blocking pattern on the light emitting element layer and in the openings; and a low refractive film on the light transmitting film, the low refractive film having a second refractive index smaller than the first refractive index, and including refractors inclined to have an inclination angle with respect to an imaginary line perpendicular to an upper surface of the light transmitting film.

公开(公告)号：US20250072175A1

公开(公告)日：2025-02-27

申请号：US18646240

申请日：2024-04-25

Applicant: Samsung Display Co., LTD.

Inventor： Ji Wook MOON ,  Jong Moo HUH ,  Min Woo KIM ,  Dong Jun LEE ,  Ju Yon LEE

IPC: H01L33/50 ,  H01L25/075 ,  H01L33/10 ,  H01L33/44

Abstract: A display device according to one or more embodiments includes a first substrate including emission areas, and a non-emission area between the emission areas, light-emitting elements above the first substrate and respectively in the emission areas, a second substrate above the first substrate, and defining grooves corresponding to the emission areas on a surface facing the first substrate, light conversion layers in the grooves above the light-emitting elements, and reflective layers on sidewalls of the grooves, and surrounding the light conversion layers in plan view.

公开(公告)号：US20250069553A1

公开(公告)日：2025-02-27

申请号：US18945103

申请日：2024-11-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Chang-Soo PYON

IPC: G09G3/3258 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3291 ,  H10K50/805 ,  H10K50/842 ,  H10K59/12 ,  H10K59/121 ,  H10K59/123 ,  H10K59/124 ,  H10K59/131 ,  H10K71/00

Abstract: An organic light-emitting diode (OLED) display is disclosed. In one aspect, the OLED display includes a lower substrate including a display area and a non-display area surrounding the display area, wherein a plurality of pixels are formed in the display area. The OLED display also includes an embedded circuit formed in the configured to apply a plurality of signals to the pixels, and an initialization wiring formed in the non-display area and configured to apply an initialization voltage to each of the pixels. The initialization circuit is formed in a layer so as to at least partially overlap with the area of the embedded circuit.

公开(公告)号：US20250069552A1

公开(公告)日：2025-02-27

申请号：US18943786

申请日：2024-11-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： SEUNGCHAN LEE ,  SEONGJUN LEE ,  WANGJO LEE

IPC: G09G3/3258 ,  G09G3/30 ,  G09G3/3225 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/3291

Abstract: A pixel circuit includes a driving transistor, a second transistor operating in response to the first gate signal, a third transistor operating in response to the second gate signal, a fourth transistor operating in response to an initialization control signal, a fifth transistor operating in response to an emission control signal, a sixth transistor operating in response to the emission control signal, a seventh transistor operating in response to a bias control signal, a storage capacitor, a first capacitor or a second capacitor, and a light emitting element. The first capacitor or the second capacitor includes a first terminal receiving the first gate signal or the emission control signal and a second terminal connected to a first terminal of the light emitting device, and the voltage of the first terminal of the light emitting element is boosted based on the first gate signal or the light emission control signal.

公开(公告)号：US20250069532A1

公开(公告)日：2025-02-27

申请号：US18762952

申请日：2024-07-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： KYUSHIK SHIN ,  JUN-YOUNG KO ,  TAEHYEON YANG ,  JAEHYUNG JO

IPC: G09G3/00 ,  G06F3/044

Abstract: A touch integrated circuit (IC) inspection device includes: an inspection board electrically connected to a touch IC; and an inspection circuit that receives an inspection result from the touch IC, wherein the inspection board includes: a plurality of first electrodes, each of which extends in a first direction and which are spaced apart from one another in a second direction that intersects the first direction; and a plurality of second electrodes, each of which extends in the second direction and which are spaced apart from one another in the first direction, and wherein a number of the plurality of first electrodes is a same as a number of the plurality of second electrodes.

公开(公告)号：US20250068283A1

公开(公告)日：2025-02-27

申请号：US18673413

申请日：2024-05-24

Applicant: Samsung Display Co., Ltd.

Inventor： Minhong Kim ,  Jungmok Park ,  Seungrok Lee ,  Hyeonseo Cho

IPC: G06F3/041

Abstract: A display apparatus is disclosed that includes a touch panel, a display panel, and a touch integrated circuit (IC) configured to determine whether a first frequency, which is a driving frequency of the display panel, matches a second frequency, which is a driving frequency of the touch panel, and change the second frequency to a third frequency that is different from the first frequency when the first frequency matches the second frequency.

公开(公告)号：US20250068270A1

公开(公告)日：2025-02-27

申请号：US18797193

申请日：2024-08-07

Applicant: Samsung Display Co., Ltd.

Inventor： HWAN-HEE JEONG ,  DEOKJUNG KIM ,  WON-IL LEE

IPC: G06F3/041 ,  G06F3/044 ,  H10K59/131

Abstract: An electronic device including a display panel including a plurality of light emitting elements, and an input sensor on the display panel. The input sensor includes a transmission electrode including a plurality of first transmission patterns arranged in a first direction, and a reception electrode crossing the transmission electrode and including a plurality of first reception patterns arranged in a second direction crossing the first direction. Each of the first transmission patterns extends in the first direction and has a zigzag shape, and each of the first reception patterns extends in the second direction and has a zigzag shape.

公开(公告)号：US20250066634A1

公开(公告)日：2025-02-27

申请号：US18942287

申请日：2024-11-08

Applicant: Samsung Display Co., Ltd.

Inventor： Sujeong KIM ,  Yunho LEE ,  Baekhee LEE ,  Jaejin LYU

IPC: C09D11/52 ,  B82Y30/00 ,  B82Y40/00 ,  C09D11/101 ,  C09D11/102 ,  C09D11/107 ,  C09K11/88 ,  H10K50/115 ,  H10K71/00

Abstract: A quantum dot ink composition includes a thiol compound, a photopolymerizable monomer, a photopolymerization initiator, a scatterer, and quantum dots. An amount of the thiol compound is greater than or equal to about 0.1 parts by weight and less than 10 parts by weight based on 100 parts by weight of the quantum dot ink composition. An apparatus is formed utilizing the quantum dot ink composition, and a light-emitting device is formed utilizing the quantum dot ink composition.