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公开(公告)号：US20250031535A1
公开(公告)日：2025-01-23
申请号：US18441742
申请日：2024-02-14
Applicant: Samsung Display Co., Ltd.
Inventor： Kyung Bae KIM , Jin Seon KWAK , Yong Hee LEE , Ji Hye LEE
IPC: H10K59/131 , H10K59/122 , H10K59/80
Abstract: A display device includes a driving element layer on a substrate, a wiring layer on the driving element layer and including a power supply wiring, and a light emitting element layer disposed on the wiring layer. The light emitting element layer includes a pixel defining layer defining openings for pixels, a first electrode in each opening, a heating wiring on the pixel defining layer around each opening, a connection electrode connecting the heating wiring and the power supply wiring through a contact hole extending through the wiring layer and the pixel defining layer, an intermediate layer covering the first electrode in the pixels and the pixel defining layer between the pixels, and including a disconnected portion on the pixel defining layer adjacent to the heating wiring, and a second electrode continuously disposed on the intermediate layer in the openings for the pixels and between the pixels.
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公开(公告)号：US20250015244A1
公开(公告)日：2025-01-09
申请号：US18763799
申请日：2024-07-03
Applicant: Samsung Display Co., LTD.
Inventor： Jin Seon KWAK , Kyung Bae KIM , Do Yeong PARK , Yong Hee LEE
Abstract: A display device may include: a substrate including a display area and a non-display area, the non-display area including a pad area; a transistor and a conductive pattern on the substrate in the display area; a via layer on the transistor and the conductive pattern to cover the transistor and the conductive pattern; a first alignment electrode and a second alignment electrode on the via layer; a light emitting element between the first and second alignment electrodes; a first electrode and a second electrode that are spaced from each other, and electrically connected to the light emitting element; a plurality of pads on the substrate in the pad area; and a dummy pattern on the substrate in the pad area, and spaced from the plurality of pads. The via layer and the dummy pattern may include a same material.
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公开(公告)号：US20240379049A1
公开(公告)日：2024-11-14
申请号：US18629851
申请日：2024-04-08
Applicant: Samsung Display Co., LTD.
Inventor： Ji Hye LEE , Jin Seon KWAK , Kyung Bae KIM , Yong Hee LEE
IPC: G09G3/32
Abstract: A display device includes a base layer, a pixel circuit layer on the base layer, the pixel circuit layer including a pixel circuit, and a light emitting layer on the pixel circuit layer, the light emitting layer including a light emitting element electrically connected to the pixel circuit, wherein the pixel circuit layer includes: a lower transistor on the base layer, the lower transistor including a silicon semiconductor, an upper transistor on the lower transistor, the upper transistor including an oxide semiconductor, and an intermediate conductive layer between the lower transistor and the upper transistor, and wherein the intermediate conductive layer includes a data line and a first power line, each of which is electrically connected to the pixel circuit.
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公开(公告)号：US20240282802A1
公开(公告)日：2024-08-22
申请号：US18541235
申请日：2023-12-15
Applicant: Samsung Display Co., LTD.
Inventor： Sung Chul HONG , Kyung Bae KIM , Yeon Kyung KIM
IPC: H01L27/15
CPC classification number: H01L27/156
Abstract: A display device comprises a first voltage line disposed in a first metal layer on a substrate providing a high-level voltage, a vertical voltage line disposed on a side of the first voltage line providing a low-level voltage, a first transistor disposed in an active layer on the first metal layer and including a drain electrode, an active region, a source electrode, and a gate electrode, a first anode connection electrode disposed in a third metal layer on the second metal layer and electrically connected to the source electrode of the first transistor, a first electrode and a second electrode that are disposed in a fourth metal layer on the third metal layer, and a plurality of light-emitting element areas including a plurality of light-emitting elements aligned between the first and second electrodes and spaced apart from the first voltage line and the vertical voltage line in a plan view.
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公开(公告)号：US20240162397A1
公开(公告)日：2024-05-16
申请号：US18507334
申请日：2023-11-13
Applicant: Samsung Display Co., LTD.
Inventor： Se Hyun LEE , Kyung Bae KIM , Kwi Hyun KIM , Jin Joo HA
Abstract: A display device includes a pixel electrode disposed on a substrate, a bank layer disposed on the substrate and the pixel electrode, and separating an emission area from a non-emission area, light emitting elements each arranged on the pixel electrode and including a first semiconductor layer, a second semiconductor layer, and an active layer disposed between the first semiconductor layer and the second semiconductor layer, a first capping layer disposed on the pixel electrode and surrounding side surfaces of the light emitting elements, a first reflective layer disposed on the first capping layer and surrounding the side surfaces of the light emitting elements, a first via layer disposed on the first reflective layer, a second via layer disposed on the first via layer, and a common electrode disposed on the second via layer and the light emitting elements.
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Patent Agency Ranking
公开(公告)号：US20230335689A1
公开(公告)日：2023-10-19
申请号：US18024875
申请日：2021-09-06
Applicant: Samsung Display Co., LTD.
Inventor： Kyung Bae KIM , Mee Hye JUNG
CPC classification number: H01L33/507 , H01L25/167 , H01L33/62 , H01L2933/0041 , H01L2933/0066
Abstract: A display device includes a first base substrate on which a plurality of sub-pixels are defined, a first insulating layer disposed on the first base substrate and including a first and second surfaces, the first surface facing the first base substrate, a plurality of light-emitting elements arranged in each of the plurality of sub-pixels on the first surface of the first insulating layer, a first and second electrodes directly arranged on the first surface of the first insulating layer and electrically contacting each end of each of the light-emitting elements, a circuit layer disposed between the first and second electrodes and the first base substrate and including first transistors electrically connected to the light-emitting elements, a color control structure arranged on the second surface of the first insulating layer and including a light-transmitting layer and wavelength conversion layers, and a color filter layer disposed on the color control structure.
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公开(公告)号：US20230317907A1
公开(公告)日：2023-10-05
申请号：US18173725
申请日：2023-02-23
Applicant: Samsung Display Co., LTD.
Inventor： Do Yeong PARK , Kyung Bae KIM , Chong Chul CHAI
CPC classification number: H01L33/62 , H01L25/167 , H01L33/325
Abstract: A display device includes first, second, and third pixels adjacent to each other. Each of the first, second, and third pixels includes: light emitting elements; connection electrodes electrically connected to ends of the light emitting elements; and sub-electrodes on a same layer as the connection electrodes and electrically connected to the connection electrodes, and one of the sub-electrodes of the first pixel is electrically connected to one of the sub-electrodes of the second pixel.
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公开(公告)号：US20230317738A1
公开(公告)日：2023-10-05
申请号：US18332201
申请日：2023-06-09
Applicant: Samsung Display Co., LTD.
Inventor： No Kyung PARK , Kyung Bae KIM , Min Kyu WOO
CPC classification number: H01L27/1244 , H01L25/167 , H01L33/44
Abstract: A display device includes pixels disposed in a display area and including first and second pixels that are adjacent to each other in a first direction, and a first integrated bank pattern disposed between the first and second pixels. Each of the pixels includes a first electrode and a second electrode that are spaced apart from each other along the first direction in a light emitting area and extend in a second direction, a first bank pattern portion overlapping the first electrode, and a second bank pattern portion overlapping the second electrode. The first integrated bank pattern includes a second bank pattern portion disposed at the first pixel, a first bank pattern portion disposed at the second pixel, and a protrusion extending in the second direction in a boundary area between the first pixel and the second pixel.
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公开(公告)号：US20230298511A1
公开(公告)日：2023-09-21
申请号：US18068722
申请日：2022-12-20
Applicant: Samsung Display Co., Ltd.
Inventor： Kyung Bae KIM , Yong Hee LEE , Sung Chul HONG
IPC: G09G3/32
CPC classification number: G09G3/32 , G09G2300/0426 , G09G2300/0452 , G09G2330/028
Abstract: A display device comprises a first line extending in a first direction, a second line spaced apart from the first line in a second direction, sub-pixels including emission areas between the first line and the second line, light-emitting elements in light-emitting element arrangement areas in the emission areas, a bank pattern overlapping with the first line and the second line, and defining openings corresponding to the light-emitting element arrangement areas, and a bank surrounding the emission areas, and overlapping with the first line, the second line, and the bank pattern.
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公开(公告)号：US20230282795A1
公开(公告)日：2023-09-07
申请号：US18152709
申请日：2023-01-10
Applicant: Samsung Display Co., LTD.
Inventor： Kyung Bae KIM , Do Yeong PARK , Yong Hee LEE , Jong Woong CHANG , Ki Hyun PYO
CPC classification number: H01L33/62 , H01L25/167 , H01L27/124 , H01L2933/0066
Abstract: A display device includes a substrate, first sub-pixels, second sub-pixels, and third sub-pixels on the substrate, the second sub-pixels being adjacent to the first sub-pixels, and third sub-pixels being spaced from the first sub-pixels with a respective one of the second sub-pixels therebetween, first electrodes and second electrodes on the substrate and located in the sub-pixels, first light-emitting elements, second light-emitting elements, and third light-emitting elements on the first electrodes and the second electrodes and located in the sub-pixels, each of the light-emitting elements comprising a first end and a second end opposite to the first end, and a first connection electrode, a second connection electrode, a third connection electrode, and a fourth connection electrode on the first to third light-emitting elements and located in the sub-pixels, wherein in the first sub-pixel, the first electrodes are extended in a first direction and are spaced from one another.
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