公开(公告)号：US20250143106A1

公开(公告)日：2025-05-01

申请号：US18659933

申请日：2024-05-09

Applicant: Samsung Display Co., LTD.

Inventor： Keun Woo KIM ,  Hyun Eok SHIN ,  In Young JUNG

IPC: H10K59/131 ,  H10K59/121 ,  H10K77/10 ,  H10K102/00

Abstract: A display device includes: a substrate; a first display layer on a first surface of the substrate; a second display layer on a second surface of the substrate; a first pixel of the first display layer; and a second pixel of the second display layer, wherein the first pixel and the second pixel comprise different numbers of transistors.

公开(公告)号：US20250143098A1

公开(公告)日：2025-05-01

申请号：US18752510

申请日：2024-06-24

Applicant: Samsung Display Co., LTD.

Inventor： Jong Hyun CHOI

IPC: H10K59/124 ,  H10K59/12

Abstract: A display device includes a first active layer of a first thin film transistor, a first insulating layer on the first active layer, a first conductive layer comprising a first gate electrode overlapping the first active layer, a second conductive layer on the first conductive layer and comprising a back gate electrode overlapping a second active layer of a second thin film transistor, a valley portion configured to penetrate at least some of the barrier layer, the buffer layer, and first to fourth insulating layers without overlapping the first active layer and the second active layer, a third conductive layer comprising a second gate electrode overlapping the second active layer, and a light emitting element electrically connected to the first thin film transistor and the second thin film transistor, respectively.

公开(公告)号：US20250143091A1

公开(公告)日：2025-05-01

申请号：US18758082

申请日：2024-06-28

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Eok SHIN ,  Byung Soo SO ,  Ju Hyun LEE ,  Yung Bin CHUNG ,  Yu Gwang JEONG

IPC: H10K59/122

Abstract: A display device includes a first separation layer disposed in an emission area of a substrate, a second separation layer disposed on the first separation layer, an insulating layer disposed on the second layer, a first electrode disposed on the insulating layer, a light emitting structure disposed on the first electrode, and a second electrode disposed on the light emitting structure. The first electrode includes a first area on the second layer and a second area electrically separated from the first area.

公开(公告)号：US20250143085A1

公开(公告)日：2025-05-01

申请号：US19010667

申请日：2025-01-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Chang Soo Pyon

IPC: H10K59/121 ,  H10D86/40 ,  H10D86/60 ,  H10K59/131

Abstract: An organic light emitting diode display device or an electronic device includes: a substrate; a scan line to transfer a scan signal; a data line and a driving voltage line to transfer a data voltage and a driving voltage, respectively; a switching transistor including a switching drain electrode to output the data voltage; a driving transistor including a driving gate electrode connected with the switching drain electrode; a storage capacitor including a first storage electrode connected with the driving gate electrode and a second storage electrode connected with the driving voltage line; and an organic light emitting diode connected with a driving drain electrode of the driving transistor. The storage capacitor includes: a connector in which an edge of the second storage electrode is offset from an edge of the first storage electrode toward the center of the second storage electrode, and a storage compensator facing the connector.

公开(公告)号：US20250143078A1

公开(公告)日：2025-05-01

申请号：US19007131

申请日：2024-12-31

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jongbaek SEON ,  Jaehak LEE ,  Juncheol SHIN ,  Jieun CHOI

IPC: H10K50/844 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/1362 ,  G09G3/3266 ,  G09G3/3275 ,  H10F39/12 ,  H10K50/80 ,  H10K50/84 ,  H10K59/00 ,  H10K59/12 ,  H10K59/121 ,  H10K59/122 ,  H10K59/123 ,  H10K59/124 ,  H10K59/131 ,  H10K59/40 ,  H10K77/10 ,  H10K102/00

Abstract: A display device includes: a substrate having an opening; a plurality of display elements at a display area adjacent to the opening, the plurality of display elements each including a pixel electrode, an opposite electrode, and an intermediate layer between the pixel electrode and the opposite electrode; and a metal stacked structure between the opening and the display area, and including: a first sub-metal layer having a first hole; and a second sub-metal layer under the first sub-metal layer and having a second hole, the second hole overlapping with the first hole and having a width greater than a width of the first hole.

公开(公告)号：US20250142972A1

公开(公告)日：2025-05-01

申请号：US19009830

申请日：2025-01-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ki Hyun KIM ,  Young Gil PARK ,  Jin Suk LEE ,  Jai Sun KYOUNG ,  Sug Woo JUNG

IPC: H10D86/60 ,  H10D86/40

Abstract: A display device includes: a substrate; a polycrystalline silicon film on the substrate; and a first buffer film between the substrate and the polycrystalline silicon film and having one surface contacting the polycrystalline silicon film and another surface opposite to the one surface, wherein the one surface of the first buffer film has a first root mean square (RMS) roughness range, and the first RMS roughness range is 1.5 nm or less.

公开(公告)号：US20250140767A1

公开(公告)日：2025-05-01

申请号：US18931569

申请日：2024-10-30

Applicant: Samsung Display Co., Ltd.

Inventor： SANGHO PARK ,  KIBUM KIM ,  SOOCHUL KIM ,  TAEGYUN KIM ,  CHUL JONG YOO

IPC: H01L25/16 ,  H01L27/15 ,  H01L33/14 ,  H01L33/24 ,  H01L33/30 ,  H01L33/38 ,  H01L33/40 ,  H01L33/42 ,  H01L33/60 ,  H01L33/62

Abstract: Provided is a display device including a CMOS wafer and a light emitting diode disposed on a first area of the CMOS wafer. The light emitting diode includes a first electrode member, an emission layer disposed on the first electrode member, and a second electrode member disposed on a semiconductor junction member. The first electrode member includes a metal layer, a reflective layer disposed on the metal layer, and a first transparent conductive layer disposed on the reflective layer.

公开(公告)号：US20250140194A1

公开(公告)日：2025-05-01

申请号：US19010386

申请日：2025-01-06

Applicant: Samsung Display Co., LTD.

Inventor： Byeong Hee WON ,  Seong Won KIM ,  In Seon YOON

IPC: G09G3/3233 ,  G09G3/3266 ,  H10K59/131 ,  H10K59/88

Abstract: A display device includes a display area, and a dummy area disposed on one side of the display area, where each of the display area and the dummy area includes a first island pattern and a second island pattern disposed to be spaced apart from each other, and a connection pattern connecting the first island pattern and the second island pattern to each other, and the dummy area includes a dummy common electrode and a common connection electrode electrically connected to the dummy common electrode, which are disposed in each of the first island pattern and the second island pattern thereof.

公开(公告)号：US20250140169A1

公开(公告)日：2025-05-01

申请号：US18778239

申请日：2024-07-19

Applicant: Samsung Display Co., Ltd.

Inventor： JAEYONG JANG ,  HYUNJOON KIM ,  DANWON LIM

IPC: G09G3/32 ,  G09G3/3233

Abstract: A pixel includes a light emitting element connected between a first power line and a first node, a first transistor including a first electrode electrically connected to the first node, a second electrode electrically connected to a second node, and a gate electrode electrically connected to a third node, a second transistor including a first electrode electrically connected to a data line, a second electrode electrically connected to a fourth node, and a gate electrode to receive a scan signal, a third transistor including a first electrode connected to the first node, a second electrode connected to the third node, and a gate electrode to receive a compensation signal, a fourth transistor including a first electrode electrically connected to the third node, a second electrode electrically connected to the fourth node, and a gate electrode to receive a first light emitting signal, and a first capacitor.

公开(公告)号：US20250140166A1

公开(公告)日：2025-05-01

申请号：US18745681

申请日：2024-06-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： JUNGEON AN ,  KIHYUN PYUN

IPC: G09G3/32

Abstract: Provided is a display device comprising a display panel, a driving controller that receives an input image signal and outputs an image data signal, a voltage generator that generates a plurality of gamma voltages in response to a voltage control signal, and a data driving circuit that receives the plurality of gamma voltages and provides a data signal corresponding to the image data signal to the display panel. The driving controller operates between in a normal mode and in a power-saving mode. During the power-saving mode, the driving controller outputs the voltage control signal for changing voltage levels of the plurality of gamma voltages in response to the input image signal and a peak signal. At least one of the plurality of gamma voltages has a first voltage level during the normal mode and has a second voltage level lower than the first voltage level during the power-saving mode.