Patents by Inventor Sung-Jae Yun
Sung-Jae Yun has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 12322746Abstract: A display device includes a first electrode and a second electrode spaced apart from each other on a substrate, a light-emitting element disposed between the first electrode and the second electrode on the substrate, a third electrode disposed on the first electrode and an end of the light-emitting element, a fourth electrode disposed on the second electrode and another end of the light-emitting element, a first insulation pattern disposed on the third electrode, and a second insulation pattern disposed on the first insulation pattern. An end of the first insulation pattern corresponding to the end of the light-emitting element protrudes toward the another end of the light-emitting element further than an end of the third electrode, and the second insulation pattern fills a space adjacent to the end of the third electrode and formed under the first insulation pattern.Type: GrantFiled: May 11, 2021Date of Patent: June 3, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Yuk Hyun Nam, Sang Hoon Park, Sung Jae Yun, Hang Jae Lee
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Patent number: 12288778Abstract: A display device includes: a substrate including a pixel area; and a pixel in the pixel area, the pixel including a first sub-light emitting area, a second sub-light emitting area, and a peripheral area surrounding the first and second sub-light emitting areas. The pixel may include: a first electrode, a second electrode, a third electrode, and a fourth electrode that are spaced from each other; a plurality of light emitting elements in the first and second sub-light emitting areas; a bank in the peripheral area and including a first opening corresponding to the first sub-light emitting area and a second opening corresponding to the second sub-light emitting area; and an intermediate bank between the first sub-light emitting area and the second sub-light emitting area and partially overlapping the second and third electrodes in a plan view.Type: GrantFiled: October 19, 2023Date of Patent: April 29, 2025Assignee: Samsung Display Co., Ltd.Inventors: Sung Jae Yun, Sang Hoon Park, Jee Hoon Park, Dong Woo Shin, Hang Jae Lee, Jae Won Choi
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Publication number: 20250133928Abstract: A display device includes a plurality of subpixels arranged along a first direction and a second direction crossing the first direction, where each of the subpixels includes an emission area, a plurality of electrodes located in the emission area, extending in the first direction and spaced from one another in the second direction, and a plurality of light-emitting elements located on electrodes spaced from one another in the second direction, and where the subpixels include a plurality of first-type subpixels and a plurality of second-type subpixels, the second-type subpixels having a different number of electrodes in the emission area from the first-type subpixels.Type: ApplicationFiled: December 30, 2024Publication date: April 24, 2025Inventors: Hang Jae LEE, Sang Hoon PARK, Sung Jae YUN
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Patent number: 12185607Abstract: A display device includes a plurality of subpixels arranged along a first direction and a second direction crossing the first direction, where each of the subpixels includes an emission area, a plurality of electrodes located in the emission area, extending in the first direction and spaced from one another in the second direction, and a plurality of light-emitting elements located on electrodes spaced from one another in the second direction, and where the subpixels include a plurality of first-type subpixels and a plurality of second-type subpixels, the second-type subpixels having a different number of electrodes in the emission area from the first-type subpixels.Type: GrantFiled: August 24, 2021Date of Patent: December 31, 2024Assignee: Samsung Display Co., Ltd.Inventors: Hang Jae Lee, Sang Hoon Park, Sung Jae Yun
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Patent number: 12057526Abstract: A display device includes a plurality of pixels, a first bank defining light emission regions of the plurality of pixels, a first electrode and a second electrode which are spaced apart from each other in each of the light emission regions, and a plurality of light emitting elements disposed between the first electrode and the second electrode. The first bank, the first electrode, and the second electrode include a same material.Type: GrantFiled: May 3, 2021Date of Patent: August 6, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hang Jae Lee, Yuk Hyun Nam, Sung Jae Yun, Geun Tak Kim, Jae Hoon Kim
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Patent number: 12046702Abstract: A light emitting element ink, a display device, and a method of manufacturing the same are provided. The light emitting element ink includes a solvent, a light emitting element dispersed in the solvent, the light emitting element including a plurality of semiconductor layers and an insulating film partially surrounding outer surfaces of the plurality of semiconductor layers, and a reactive mesogen dispersed in the solvent.Type: GrantFiled: October 28, 2021Date of Patent: July 23, 2024Assignee: Samsung Display Co., Ltd.Inventors: Sung Jae Yun, Yuk Hyun Nam, Sang Hoon Park, Hang Jae Lee
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Patent number: 11908849Abstract: A display device includes electrodes disposed on a substrate, extended in a first direction, and spaced apart from one another in a second direction intersecting the first direction, and light-emitting elements having ends disposed on the electrodes, wherein the electrodes include a first electrode having a first portion and a second portion, and a floating electrode adjacent to the first portion of the first electrode, and a width of the second portion is greater than a width of the first portion in the second direction.Type: GrantFiled: September 16, 2021Date of Patent: February 20, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hang Jae Lee, Sung Jae Yun, Yuk Hyun Nam
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Patent number: 11901374Abstract: A display device in accordance with some embodiments may include a substrate, a first interlayer insulating layer on the substrate, a data conductor on the first interlayer insulating layer, a passivation layer on the data conductor, a pixel electrode layer on the passivation layer, and a shielding electrode between the data conductor and the pixel electrode layer, and defining a first contact opening and a second contact opening, wherein the data conductor and the pixel electrode layer are electrically coupled to each other in each of the first contact opening and the second contact opening.Type: GrantFiled: February 17, 2022Date of Patent: February 13, 2024Assignee: Samsung Display Co., Ltd.Inventors: Hang Jae Lee, Yuk Hyun Nam, Sung Jae Yun
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Publication number: 20240047445Abstract: A display device includes: a substrate including a pixel area; and a pixel in the pixel area, the pixel including a first sub-light emitting area, a second sub-light emitting area, and a peripheral area surrounding the first and second sub-light emitting areas. The pixel may include: a first electrode, a second electrode, a third electrode, and a fourth electrode that are spaced from each other; a plurality of light emitting elements in the first and second sub-light emitting areas; a bank in the peripheral area and including a first opening corresponding to the first sub-light emitting area and a second opening corresponding to the second sub-light emitting area; and an intermediate bank between the first sub-light emitting area and the second sub-light emitting area and partially overlapping the second and third electrodes in a plan view.Type: ApplicationFiled: October 19, 2023Publication date: February 8, 2024Inventors: Sung Jae YUN, Sang Hoon PARK, Jee Hoon PARK, Dong Woo SHIN, Hang Jae LEE, Jae Won CHOI
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Patent number: 11798927Abstract: A display device includes: a substrate including a pixel area; and a pixel in the pixel area, the pixel including a first sub-light emitting area, a second sub-light emitting area, and a peripheral area surrounding the first and second sub-light emitting areas. The pixel may include: a first electrode, a second electrode, a third electrode, and a fourth electrode that are spaced from each other; a plurality of light emitting elements in the first and second sub-light emitting areas; a bank in the peripheral area and including a first opening corresponding to the first sub-light emitting area and a second opening corresponding to the second sub-light emitting area; and an intermediate bank between the first sub-light emitting area and the second sub-light emitting area and partially overlapping the second and third electrodes in a plan view.Type: GrantFiled: October 15, 2021Date of Patent: October 24, 2023Assignee: Samsung Display Co., Ltd.Inventors: Sung Jae Yun, Sang Hoon Park, Jee Hoon Park, Dong Woo Shin, Hang Jae Lee, Jae Won Choi
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Publication number: 20230028194Abstract: A display device includes: a substrate; a plurality of pixel columns on the substrate, each of the plurality of pixel columns including a plurality of pixel groups each including a first pixel and a second pixel arranged along a first direction; and a bank enclosing a perimeter of each of the plurality of pixel groups, the bank including a first opening corresponding to each of the plurality of pixel groups, and a second opening located between two pixel groups adjacent to each other in the first direction among the plurality of pixel groups.Type: ApplicationFiled: July 19, 2022Publication date: January 26, 2023Inventors: Hang Jae LEE, Kyong Sub KIM, Yuk Hyun NAM, Sung Jae YUN
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Patent number: 11479721Abstract: A liquid crystal composition includes the following compounds: (in a range of 21.5 to 26.5 parts by weight) a compound represented by a first chemical formula, (in a range of 2.5 to 7.5 parts by weight) a compound represented by a second chemical formula, (in a range of 12.5 to 17.5 parts by weight) a compound represented by a third chemical formula, (in a range of 5.5 to 10.5 parts by weight) a compound represented by a fourth chemical formula, (in a range of 7.5 to 12.5 parts by weight) a compound represented by a fifth chemical formula, (in a range of 2 to 7 parts by weight) a compound represented by a sixth chemical formula, (in a range of 10.5 to 15.5 parts by weight) a compound represented by a seventh chemical formula, and (in a range of 13 to 18 parts by weight) an compound represented by an eighth chemical formula 8.Type: GrantFiled: September 10, 2020Date of Patent: October 25, 2022Inventors: Kyung Min Kim, Sung Jae Yun, Kang Seob Jeong, Jin Suek Kim, Heung Shik Park
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Publication number: 20220262827Abstract: A display device in accordance with some embodiments may include a substrate, a first interlayer insulating layer on the substrate, a data conductor on the first interlayer insulating layer, a passivation layer on the data conductor, a pixel electrode layer on the passivation layer, and a shielding electrode between the data conductor and the pixel electrode layer, and defining a first contact opening and a second contact opening, wherein the data conductor and the pixel electrode layer are electrically coupled to each other in each of the first contact opening and the second contact opening.Type: ApplicationFiled: February 17, 2022Publication date: August 18, 2022Inventors: Hang Jae LEE, Yuk Hyun NAM, Sung Jae YUN
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Publication number: 20220189939Abstract: A display device includes electrodes disposed on a substrate, extended in a first direction, and spaced apart from one another in a second direction intersecting the first direction, and light-emitting elements having ends disposed on the electrodes, wherein the electrodes include a first electrode having a first portion and a second portion, and a floating electrode adjacent to the first portion of the first electrode, and a width of the second portion is greater than a width of the first portion in the second direction.Type: ApplicationFiled: September 16, 2021Publication date: June 16, 2022Applicant: Samsung Display Co., LTD.Inventors: Hang Jae LEE, Sung Jae YUN, Yuk Hyun NAM
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Publication number: 20220140195Abstract: A light emitting element ink, a display device, and a method of manufacturing the same are provided. The light emitting element ink includes a solvent, a light emitting element dispersed in the solvent, the light emitting element including a plurality of semiconductor layers and an insulating film partially surrounding outer surfaces of the plurality of semiconductor layers, and a reactive mesogen dispersed in the solvent.Type: ApplicationFiled: October 28, 2021Publication date: May 5, 2022Inventors: Sung Jae YUN, Yuk Hyun NAM, Sang Hoon PARK, Hang Jae LEE
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Publication number: 20220122956Abstract: A display device includes: a substrate including a pixel area; and a pixel in the pixel area, the pixel including a first sub-light emitting area, a second sub-light emitting area, and a peripheral area surrounding the first and second sub-light emitting areas. The pixel may include: a first electrode, a second electrode, a third electrode, and a fourth electrode that are spaced from each other; a plurality of light emitting elements in the first and second sub-light emitting areas; a bank in the peripheral area and including a first opening corresponding to the first sub-light emitting area and a second opening corresponding to the second sub-light emitting area; and an intermediate bank between the first sub-light emitting area and the second sub-light emitting area and partially overlapping the second and third electrodes in a plan view.Type: ApplicationFiled: October 15, 2021Publication date: April 21, 2022Inventors: Sung Jae YUN, Sang Hoon PARK, Jee Hoon PARK, Dong Woo SHIN, Hang Jae LEE, Jae Won CHOI
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Publication number: 20220109087Abstract: A display device includes a plurality of pixels, a first bank defining light emission regions of the plurality of pixels, a first electrode and a second electrode which are spaced apart from each other in each of the light emission regions, and a plurality of light emitting elements disposed between the first electrode and the second electrode. The first bank, the first electrode, and the second electrode include a same material.Type: ApplicationFiled: May 3, 2021Publication date: April 7, 2022Applicant: Samsung Display Co., LTD.Inventors: Hang Jae LEE, Yuk Hyun NAM, Sung Jae YUN, Geun Tak KIM, Jae Hoon KIM
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Publication number: 20220109085Abstract: A display device includes a first electrode and a second electrode spaced apart from each other on a substrate, a light-emitting element disposed between the first electrode and the second electrode on the substrate, a third electrode disposed on the first electrode and an end of the light-emitting element, a fourth electrode disposed on the second electrode and another end of the light-emitting element, a first insulation pattern disposed on the third electrode, and a second insulation pattern disposed on the first insulation pattern. An end of the first insulation pattern corresponding to the end of the light-emitting element protrudes toward the another end of the light-emitting element further than an end of the third electrode, and the second insulation pattern fills a space adjacent to the end of the third electrode and formed under the first insulation pattern.Type: ApplicationFiled: May 11, 2021Publication date: April 7, 2022Applicant: Samsung Display Co., LTD.Inventors: Yuk Hyun NAM, Sang Hoon PARK, Sung Jae YUN, Hang Jae LEE
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Publication number: 20220084998Abstract: A display device includes a substrate including a plurality of pixels; a first bank disposed at a boundary of the plurality of pixels; a first electrode and a second electrode, spaced apart from each other on the substrate; an insulating layer disposed on the first electrode and the second electrode; and a plurality of light emitting elements disposed between the first electrode and the second electrode on the insulating layer. The first bank and the insulating layer are disposed on the same layer.Type: ApplicationFiled: April 19, 2021Publication date: March 17, 2022Applicant: Samsung Display Co., LTD.Inventors: Hang Jae LEE, Sung Ho PARK, Sung Jae YUN, Jong Hyeok LEE, Jae Won CHOI
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Publication number: 20220077245Abstract: A display device includes a plurality of subpixels arranged along a first direction and a second direction crossing the first direction, where each of the subpixels includes an emission area, a plurality of electrodes located in the emission area, extending in the first direction and spaced from one another in the second direction, and a plurality of light-emitting elements located on electrodes spaced from one another in the second direction, and where the subpixels include a plurality of first-type subpixels and a plurality of second-type subpixels, the second-type subpixels having a different number of electrodes in the emission area from the first-type subpixels.Type: ApplicationFiled: August 24, 2021Publication date: March 10, 2022Inventors: Hang Jae LEE, Sang Hoon PARK, Sung Jae YUN