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公开(公告)号：US20230317906A1
公开(公告)日：2023-10-05
申请号：US18130229
申请日：2023-04-03
Applicant: Samsung Display Co., LTD.
Inventor： Hyun Wook LEE , Tae Hee LEE , Sung Geun BAE
CPC classification number: H01L33/62 , H01L33/382 , H01L27/1255 , H01L27/124 , H01L25/167 , H01L25/0753 , H01L33/505
Abstract: A pixel includes: a substrate including emission area and a non-emission; a first conductive pattern, a second conductive pattern, and a third conductive pattern in the non-emission area; a via layer on the first to the third conductive patterns, and including a first contactor exposing one area of the first conductive pattern, a second contactor exposing one area of the second conductive pattern, and a third contactor exposing another area of the second 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; and a first electrode and a second electrode electrically connected to the light emitting element.
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公开(公告)号：US20220336710A1
公开(公告)日：2022-10-20
申请号：US17674500
申请日：2022-02-17
Applicant: Samsung Display Co., LTD.
Inventor： Hyun KIM , Jeong Su PARK , Jong Chan LEE , Hyun Wook LEE , Jung Eun HONG
Abstract: A display device includes an electrode layer including a first electrode and a second electrode that are spaced apart from each other and disposed on a substrate, a light emitting element between the first electrode and the second electrode, and a capping layer disposed on the light emitting element and including at least one low refractive layer and at least one high refractive layer that are alternately disposed. The capping layer includes a first low refractive layer on the electrode layer and the light emitting element, a first high refractive layer on the first low refractive layer, and a second low refractive layer on the first high refractive layer. A thickness of the first low refractive layer is greater than a thickness of the second low refractive layer.
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公开(公告)号：US20210376281A1
公开(公告)日：2021-12-02
申请号：US17316505
申请日：2021-05-10
Applicant: Samsung Display Co., Ltd.
Inventor： Ki Bum KIM , Jin Taek KIM , Sang Hoon LEE , Hyun Wook LEE
Abstract: A display device and a method of fabricating a display device are provided, the display device comprising a first substrate, first and second electrodes on the first substrate and spaced apart from each other, a first insulating layer covering portions of the first and second electrodes, light-emitting elements on the first insulating layer, a first contact electrode on the first electrode and in contact with first end portions of the light-emitting elements, a second insulating layer on the light-emitting elements and covering a first end portion of the first contact electrode, and a second contact electrode between the second insulating layer and the second electrode, and in contact with second end portions of the light-emitting elements.
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公开(公告)号：US20210367024A1
公开(公告)日：2021-11-25
申请号：US17236995
申请日：2021-04-21
Applicant: Samsung Display Co., Ltd.
Inventor： Ki Bum KIM , Kyung Tae CHAE , Ki Nyeng KANG , Jin Taek KIM , Hyun Wook LEE
IPC: H01L27/32
Abstract: A display device including: a substrate; a conductive layer on the substrate and including a first voltage line and a second voltage line extending in a first direction; a first electrode and a second electrode on the conductive layer, extending in the first direction, and spaced apart from each other; a plurality of light-emitting elements on the first electrode and the second electrode; and an electrode pattern on the conductive layer and separated from the first electrode. The electrode pattern overlaps the first voltage line in a thickness direction and directly contacts the first voltage line.
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公开(公告)号：US20210351322A1
公开(公告)日：2021-11-11
申请号：US17202943
申请日：2021-03-16
Applicant: Samsung Display Co., Ltd.
Inventor： Hyun Wook LEE , Myeong Hun SONG , Jeong Hyun LEE , Jong Chan LEE , Tae Hee LEE
Abstract: The display device according to an exemplary embodiment of the present disclosure includes a substrate and a display element unit. The display element unit includes a first electrode on the substrate, a second electrode on the substrate and spaced apart from the first electrode in a first direction, and a plurality of light emitting elements between the first electrode and the second electrode in a plan view. Each of the first and second electrodes includes an opening.
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Patent Agency Ranking
公开(公告)号：US20240203966A1
公开(公告)日：2024-06-20
申请号：US18364551
申请日：2023-08-03
Applicant: Samsung Display Co., LTD.
Inventor： Sung Geun BAE , Jang Soon PARK , Tae Hee LEE , Hyun Wook LEE , Da Sol JEONG
CPC classification number: H01L25/167 , H01L27/1259
Abstract: A display device includes sub-alignment areas including a pathway area defined by a first adjacent electrode and a second adjacent electrode spaced apart from each other in a first direction. A pathway area includes a first pathway area and a second pathway area spaced apart from each other along a second direction different from the first direction. The first adjacent electrode of the first pathway area and the first adjacent electrode of the second pathway area are spaced apart from each other with an open area therebetween. The second adjacent electrode of the first pathway area and the second adjacent electrode of the second pathway area are spaced apart from each other with the open area therebetween.
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公开(公告)号：US20240170469A1
公开(公告)日：2024-05-23
申请号：US18494387
申请日：2023-10-25
Applicant: Samsung Display Co., LTD.
Inventor： Hyun Wook LEE , Tae Hee LEE
IPC: H01L25/16 , H01L25/075 , H01L27/12 , H01L33/62
CPC classification number: H01L25/167 , H01L25/0753 , H01L27/1225 , H01L33/62 , H01L2933/0016 , H01L2933/0066
Abstract: A display device including: a pixel circuit layer including a first transistor and a conductive pattern; and a display element layer on the pixel circuit layer, and including a light emitting element. The display element layer may further include: a first pixel electrode electrically connected to a first end of the light emitting element; and a second pixel electrode electrically connected to a second end of the light emitting element. The first transistor may include: a semiconductor pattern; a first gate insulating layer on the semiconductor pattern; a gate electrode on the first gate insulating layer; and a first transistor electrode and a second transistor electrode connected to the semiconductor pattern. The conductive pattern may be at a same layer as the semiconductor pattern. The first transistor electrode may be connected to the second pixel electrode by the conductive pattern.
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公开(公告)号：US20240120453A1
公开(公告)日：2024-04-11
申请号：US18362628
申请日：2023-07-31
Applicant: Samsung Display Co., LTD.
Inventor： Jang Soon PARK , Hyun Wook LEE , Sung Geun BAE
CPC classification number: H01L33/62 , H01L33/20 , H01L25/167
Abstract: A display device includes a substrate, a via layer above the substrate, and including a protrusion, an insulating pattern above the protrusion, and having a width that is greater than a width of the protrusion, first and second electrodes above the via layer, and spaced apart from each other with the protrusion and the insulating pattern therebetween, a first insulating layer above the protrusion, the insulating pattern, the first electrode, and the second electrode, a light-emitting element above the first insulating layer, and between the first electrode and the second electrode, a first connection electrode connected to a first end of the light-emitting element, and a second connection electrode connected to a second end of the light-emitting element.
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公开(公告)号：US20240097074A1
公开(公告)日：2024-03-21
申请号：US18468468
申请日：2023-09-15
Applicant: Samsung Display Co., LTD.
Inventor： Myeong Hun SONG , Jang Soon PARK , Sung Geun BAE , Tae Hee LEE , Hyun Wook LEE , Kwang Taek HONG
CPC classification number: H01L33/38 , H01L25/167
Abstract: A display device includes a substrate including an emission area and a non-emission area, alignment electrodes arranged to be spaced from each other in a first direction on the substrate and extending in a second direction crossing the first direction, and pixels arranged along the second direction. Pixels adjacent to each other in the second direction from among the pixels may be configured to emit light of different colors. Each of the pixels may include first light emitting elements on the alignment electrodes and arranged along the second direction, second light emitting elements on the alignment electrodes, spaced from the first light emitting elements in the first direction, and arranged along the second direction, a first pixel electrode electrically connected to a first driving power and first ends of the first light emitting elements, a second pixel electrode spaced from the first pixel electrode in the first direction.
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公开(公告)号：US20240072229A1
公开(公告)日：2024-02-29
申请号：US18453181
申请日：2023-08-21
Applicant: Samsung Display Co., LTD.
Inventor： Myeong Hun SONG , Jang Soon PARK , Sung Geun BAE , Tae Hee LEE , Hyun Wook LEE
IPC: H01L33/62 , H01L25/075 , H01L33/38
CPC classification number: H01L33/62 , H01L25/0753 , H01L33/38
Abstract: A display device includes: light emitting elements, each of the light emitting elements including a first end having a first polarity and a second end having a second polarity different from the first polarity; and a first type connection electrode contacting the first ends and/or the second ends of the light emitting elements, wherein a first type connection electrode includes: a middle portion extending in a first direction; a first electrode portion extending from the middle portion toward a first side in a second direction intersecting the first direction; a second electrode portion extending from the middle portion toward the first side in the second direction and spaced from the first electrode portion by a first width in the first direction; a third electrode portion extending from the middle portion toward a second side in the second direction; and a fourth electrode portion.
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