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公开(公告)号：US20230170336A1
公开(公告)日：2023-06-01
申请号：US17921083
申请日：2021-04-01
Applicant: Samsung Display Co., LTD.
Inventor： Jae Hoon JUNG , Jong Hyuk KANG , Hee Yeon YOO , Hyun Min CHO , Hye Jung HONG
IPC: H01L25/075 , H01L33/24 , C09K11/02
CPC classification number: H01L25/0753 , H01L33/24 , C09K11/02
Abstract: Provided are a light-emitting element ink and a method for manufacturing a display apparatus. The light-emitting element ink comprises: a light-emitting element solvent; and a plurality of light-emitting elements dispersed in the light-emitting element solvent and each comprising a plurality of semiconductor layers and an insulation film partially surrounding the outer surfaces of the semiconductor layers, wherein the light-emitting element solvent includes a fatty acid ester-based compound having a melting point in the range of 0° C. to 15° C.
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公开(公告)号：US20230165089A1
公开(公告)日：2023-05-25
申请号：US18158320
申请日：2023-01-23
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Hyun Min CHO , Tae Wook KANG , Sang Gun CHOI , Shin Il CHOI , Yun Jung OH , Myoung Geun CHA
IPC: H10K59/131 , H10K50/824 , H10K59/124 , H10K59/121 , H10K71/00
CPC classification number: H10K59/131 , H10K50/824 , H10K59/124 , H10K59/1213 , H10K71/00
Abstract: A display apparatus includes: a base substrate; a thin film transistor and a power supply wire on the base substrate; a first electrode on the base substrate, and electrically connected to the thin film transistor; a light emitting layer and a common layer on the first electrode; and a second electrode on the common layer. The power supply wire includes: a first conductive layer; a second conductive layer on the first conductive layer; and a third conductive layer on the second conductive layer. The third conductive layer protrudes more than the second conductive layer on a side surface of the power supply wire, and the second electrode contacts a side surface of the second conductive layer.
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公开(公告)号：US20230076780A1
公开(公告)日：2023-03-09
申请号：US18054814
申请日：2022-11-11
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Hyun Min CHO , Tae Wook KANG , Tae Sung KIM , Dae Won CHOI , Sang Gab KIM
Abstract: A display device includes a first base, a pixel electrode on the first base, a pixel defining layer having an opening that at least partially exposes the pixel electrode, a light emitting layer on the pixel electrode, an auxiliary electrode on the same layer as the pixel electrode, a partition wall on the auxiliary electrode that at least partially exposes a side surface of the auxiliary electrode, an organic layer on the partition wall, and a common electrode continuously arranged on the light emitting layer and the organic layer, wherein a side surface of the partition wall has a reverse-tapered shape, and the common electrode contacts the side surface of the auxiliary electrode.
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公开(公告)号：US20230073501A1
公开(公告)日：2023-03-09
申请号：US17894894
申请日：2022-08-24
Applicant: Samsung Display Co., LTD.
Inventor： Si Sung KIM , Hyun Min CHO , Hyung Seok KIM , Jong Jin LEE , Dong Eon LEE
Abstract: A light emitting element includes a first semiconductor layer, a second semiconductor layer on the first semiconductor layer, and an element active layer between the first semiconductor layer and the second semiconductor layer. The first semiconductor layer, the element active layer, and the second semiconductor layer are sequentially located along a first direction. A thickness of the first semiconductor layer in the first direction is greater than a thickness of the second semiconductor layer in the first direction. A cross section of the element active layer taken along the first direction includes a first side facing the first semiconductor layer, a second side facing the second semiconductor layer, a first lateral side connecting one end of the first side to one end of the second side, and a second lateral side connecting an other end of the first side to an other end of the second side.
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公开(公告)号：US20230049527A1
公开(公告)日：2023-02-16
申请号：US17977580
申请日：2022-10-31
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Yo Han LEE , Su Mi MOON , Hyun Min CHO
Abstract: A pixel includes a first light source including at least one first light emitting element between a first split electrode and a second power supply; a second light source unit including at least one second light emitting element between a second split electrode and the second power supply; a driving-current generator including a first transistor between a first power supply and the first and second light source units and generating a driving current corresponding to a first data signal; a first switching unit including a first switching element between the driving-current generator and the first light source; and a second switching unit including a second switching element between the driving-current generator and the second light source unit and controlling an electrical connection between the first and second light source units in response to a second data signal.
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Patent Agency Ranking
公开(公告)号：US20220406972A1
公开(公告)日：2022-12-22
申请号：US17756038
申请日：2020-09-15
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Hyun Deok IM , Won Kyu KIM , Won Ho LEE , Jong Hyuk KANG , Hyun Min CHO
Abstract: A display device according to an embodiment of the present disclosure includes a substrate, and a display element layer provided on a first surface of the substrate and including a plurality of light emitting elements. The display element layer may include a first electrode and a second electrode configured to extend in a first direction and spaced apart from each other in a second direction different from the first direction, and a third electrode configured to extend in the first direction and face the second electrode with the first electrode interposed therebetween. The first electrode includes a first protrusion protruding toward the second electrode, the second electrode includes a second protrusion protruding toward the first electrode, and the first protrusion and the second protrusion are alternately arranged in the first direction. Each of the light emitting elements may be provided between the first protrusion and the second protrusion, and first ends of respective light emitting elements may be aligned toward one of the first electrode and the second electrode.
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公开(公告)号：US20220393070A1
公开(公告)日：2022-12-08
申请号：US17774697
申请日：2020-09-08
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Seung Lyong BOK , Hyun Min CHO
Abstract: A display device includes pixel areas; and a pixel disposed in each of the pixel areas. The pixel includes a first electrode and a second electrode disposed on a substrate and disposed on a same layer, a light emitting element disposed on the first electrode and the second electrode, a third electrode electrically connecting the first electrode to a first end of the light emitting element, a fourth electrode electrically connecting the second electrode to a second end of the light emitting element, and an electrode pattern and the electrode pattern and one of the third electrode and the fourth electrode being disposed on a same layer.
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公开(公告)号：US20220352244A1
公开(公告)日：2022-11-03
申请号：US17621479
申请日：2020-04-10
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Sin Chul KANG , Su Mi MOON , Jae Woong KANG , Won Sik OH , Hyun Min CHO
Abstract: A display device includes a pixel disposed in a display area; a first line electrically connected to the pixel; and a first control line disposed around the first line. The pixel includes a first electrode and a second electrode spaced apart from each other; at least one intermediate electrode including a first intermediate electrode disposed between the first electrode and the second electrode; light emitting elements electrically connected between a pair of adjacent electrodes among the first electrode, the second electrode, and the at least one intermediate electrode; and a first switching element electrically connected between the first intermediate electrode and the first line, the first switching element being controlled by a signal applied to the first control line.
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公开(公告)号：US20220285586A1
公开(公告)日：2022-09-08
申请号：US17631871
申请日：2020-02-02
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Eun A YANG , Jin Woo CHOI , Hyun Min CHO
Abstract: A display device may include: a base layer including a plurality of islands, at least one first bridge configured to connect the islands in a first direction, and at least one second bridge configured to connect the islands in a second direction; and at least one pixel including a plurality of sub-pixels in the base layer. Each of the sub-pixels may include: a first electrode and a second electrode in one island of the islands and spaced from each other; a third electrode and a fourth electrode in one bridge of the at least one first bridge and the at least one second bridge and spaced from each other; at least one first light emitting element between the first electrode and the second electrode; and at least one second light emitting element between the third electrode and the fourth electrode.
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公开(公告)号：US20220278173A1
公开(公告)日：2022-09-01
申请号：US17624673
申请日：2020-06-26
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Tae Jin KONG , Hyun Min CHO , Dae Hyun KIM , Su Mi MOON , Xinxing LI , Hee Keun LEE
Abstract: A display device may include a first sub-pixel including a first light emitting element disposed in a first sub-pixel area of a substrate, a second sub-pixel including a second light emitting element disposed in a second sub-pixel area located in a first direction with respect to the first sub-pixel area of the substrate, a bank layer disposed between the first and second sub-pixels, a first color filter pattern disposed on the first sub-pixel and the bank layer, and a second color filter pattern disposed on the second sub-pixel and the bank layer. The first light emitting element may emit light having a first color. The second light emitting element may emit light having a second color. The first color filter pattern and the second color filter pattern may at least partially overlap each other on the bank layer.
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