Patents by Inventor Hyundeok Im
Hyundeok Im 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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Publication number: 20230066918Abstract: A display device includes a substrate, a first electrode extending in a first direction on the substrate, a first partition wall extending in the first direction on a central portion of the first electrode, a second electrode extending in parallel with the first electrode on the substrate, a second partition wall extending in the first direction on a central portion of the second electrode, and a plurality of light-emitting diodes electrically connected between the first electrode and the second electrode.Type: ApplicationFiled: October 26, 2022Publication date: March 2, 2023Inventors: Hyundeok Im, Jonghyuk Kang, Daehyun Kim, Jooyeol Lee, Hyunmin Cho
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Patent number: 11574954Abstract: A display device and a method of manufacturing a display device are provided. A display device includes: a substrate; a switching element on the substrate; a first insulating layer on the switching element; a first alignment electrode and a second alignment electrode disposed on the first insulating layer so as to face each other; a second insulating layer on the first alignment electrode and the second alignment electrode; a first driving electrode on the second insulating layer and connected to the switching element; a second driving electrode disposed on the second insulating layer so as to face the first driving electrode; and a light emitting element between the first driving electrode and the second driving electrode, and a distance between the first alignment electrode and the second alignment electrode is less than a distance between the first driving electrode and the second driving electrode.Type: GrantFiled: March 8, 2021Date of Patent: February 7, 2023Assignee: Samsung Display Co., Ltd.Inventors: Hyundeok Im, Jonghyuk Kang, Daehyun Kim, Jooyeol Lee, Hyunmin Cho
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Publication number: 20230025769Abstract: A pixel structure of a display apparatus includes an electrode line, at least one ultra small light-emitting diode, and a connection electrode. The electrode line includes a second electrode separated from a first electrode and at a same level as the first electrode on a base substrate. The at least one ultra small light-emitting diode is on the base substrate and has a length less than a distance between the first and second electrodes. A connection electrode includes a first contact electrode connecting the first electrode to the ultra small light-emitting diode and a second contact electrode connecting the second electrode to the ultra small light-emitting diode.Type: ApplicationFiled: September 29, 2022Publication date: January 26, 2023Inventors: Daehyun KIM, Hyundeok IM, Hyunmin CHO, Jonghyuk KANG, Sungjin HONG, Jooyeol LEE, Chio CHO
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Publication number: 20220415870Abstract: A pixel structure, a display device, and a method of manufacturing a pixel structure, the pixel structure including a base substrate; at least one first electrode arranged in an upper portion of the base substrate; at least one second electrode having a circular shape extending along a circumferential direction around the at least one first electrode; and a plurality of LED elements connected to the first and second electrodes.Type: ApplicationFiled: August 22, 2022Publication date: December 29, 2022Inventors: Hyunmin CHO, Daehyun KIM, Hyundeok IM, Jonghyuk KANG, Jaebyung PARK, Jooyeol LEE, Chio CHO, Sungjin HONG
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Patent number: 11495717Abstract: A display device includes a substrate, a first electrode extending in a first direction on the substrate, a first partition wall extending in the first direction on a central portion of the first electrode, a second electrode extending in parallel with the first electrode on the substrate, a second partition wall extending in the first direction on a central portion of the second electrode, and a plurality of light-emitting diodes electrically connected between the first electrode and the second electrode.Type: GrantFiled: October 1, 2020Date of Patent: November 8, 2022Assignee: Samsung Display Co., Ltd.Inventors: Hyundeok Im, Jonghyuk Kang, Daehyun Kim, Jooyeol Lee, Hyunmin Cho
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Patent number: 11462526Abstract: A pixel structure of a display apparatus includes an electrode line, at least one ultra small light-emitting diode, and a connection electrode. The electrode line includes a second electrode separated from a first electrode and at a same level as the first electrode on a base substrate. The at least one ultra small light-emitting diode is on the base substrate and has a length less than a distance between the first and second electrodes. A connection electrode includes a first contact electrode connecting the first electrode to the ultra small light-emitting diode and a second contact electrode connecting the second electrode to the ultra small light-emitting diode.Type: GrantFiled: September 28, 2020Date of Patent: October 4, 2022Assignee: Samsung Display Co., Ltd.Inventors: Daehyun Kim, Hyundeok Im, Hyunmin Cho, Jonghyuk Kang, Sungjin Hong, Jooyeol Lee, Chio Cho
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Patent number: 11424229Abstract: A pixel structure, a display device, and a method of manufacturing a pixel structure, the pixel structure including a base substrate; at least one first electrode arranged in an upper portion of the base substrate; at least one second electrode having a circular shape extending along a circumferential direction around the at least one first electrode; and a plurality of LED elements connected to the first and second electrodes.Type: GrantFiled: March 12, 2019Date of Patent: August 23, 2022Assignee: Samsung Display Co., Ltd.Inventors: Hyunmin Cho, Daehyun Kim, Hyundeok Im, Jonghyuk Kang, Jaebyung Park, Jooyeol Lee, Chio Cho, Sungjin Hong
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Patent number: 11424230Abstract: A pixel structure, a display device, and a method of manufacturing a pixel structure, the pixel structure including a base substrate; at least one first electrode arranged in an upper portion of the base substrate; at least one second electrode having a circular shape extending along a circumferential direction around the at least one first electrode; and a plurality of LED elements connected to the first and second electrodes.Type: GrantFiled: July 10, 2019Date of Patent: August 23, 2022Assignee: Samsung Display Co., Ltd.Inventors: Hyunmin Cho, Daehyun Kim, Hyundeok Im, Jonghyuk Kang, Jaebyung Park, Jooyeol Lee, Chio Cho, Sungjin Hong
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Publication number: 20210391496Abstract: A display apparatus includes a substrate, a first electrode on the substrate, the first electrode including a first portion that has a flat upper surface and a second portion that protrudes from the first portion and has an inclined surface, a second electrode facing the first electrode in parallel on the substrate, the second electrode including a first portion that has a flat upper surface and a second portion that protrudes from the first portion and has an inclined surface, and a plurality of light-emitting devices separate from each other on the first electrode and the second electrode, the light-emitting devices each having a first end contacting the upper surface of the first portion of the first electrode and a second end contacting the upper surface of the first portion of the second electrode.Type: ApplicationFiled: August 27, 2021Publication date: December 16, 2021Inventors: Hyunmin CHO, Daehyun KIM, Sungchul KIM, Jonghyuk KANG, Keunkyu SONG, Jooyeol LEE, Hyundeok IM, Chio CHO, Hyeyong CHU, Sungjin HONG
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Patent number: 11114582Abstract: A display apparatus includes a substrate, a first electrode on the substrate, the first electrode including a first portion that has a flat upper surface and a second portion that protrudes from the first portion and has an inclined surface, a second electrode facing the first electrode in parallel on the substrate, the second electrode including a first portion that has a flat upper surface and a second portion that protrudes from the first portion and has an inclined surface, and a plurality of light-emitting devices separate from each other on the first electrode and the second electrode, the light-emitting devices each having a first end contacting the upper surface of the first portion of the first electrode and a second end contacting the upper surface of the first portion of the second electrode.Type: GrantFiled: June 1, 2020Date of Patent: September 7, 2021Assignee: Samsung Display Co., Ltd.Inventors: Hyunmin Cho, Daehyun Kim, Sungchul Kim, Jonghyuk Kang, Keunkyu Song, Jooyeol Lee, Hyundeok Im, Chio Cho, Hyeyong Chu, Sungjin Hong
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Publication number: 20210193734Abstract: A display device and a method of manufacturing a display device are provided. A display device includes: a substrate; a switching element on the substrate; a first insulating layer on the switching element; a first alignment electrode and a second alignment electrode disposed on the first insulating layer so as to face each other; a second insulating layer on the first alignment electrode and the second alignment electrode; a first driving electrode on the second insulating layer and connected to the switching element; a second driving electrode disposed on the second insulating layer so as to face the first driving electrode; and a light emitting element between the first driving electrode and the second driving electrode, and a distance between the first alignment electrode and the second alignment electrode is less than a distance between the first driving electrode and the second driving electrode.Type: ApplicationFiled: March 8, 2021Publication date: June 24, 2021Inventors: Hyundeok IM, Jonghyuk KANG, Daehyun KIM, Jooyeol LEE, Hyunmin CHO
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Patent number: 10943947Abstract: A display device and a method of manufacturing a display device are provided. A display device includes: a substrate; a switching element on the substrate; a first insulating layer on the switching element; a first alignment electrode and a second alignment electrode disposed on the first insulating layer so as to face each other; a second insulating layer on the first alignment electrode and the second alignment electrode; a first driving electrode on the second insulating layer and connected to the switching element; a second driving electrode disposed on the second insulating layer so as to face the first driving electrode; and a light emitting element between the first driving electrode and the second driving electrode, and a distance between the first alignment electrode and the second alignment electrode is less than a distance between the first driving electrode and the second driving electrode.Type: GrantFiled: February 21, 2019Date of Patent: March 9, 2021Assignee: Samsung Display Co., Ltd.Inventors: Hyundeok Im, Jonghyuk Kang, Daehyun Kim, Jooyeol Lee, Hyunmin Cho
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Publication number: 20210020819Abstract: A display device includes a substrate, a first electrode extending in a first direction on the substrate, a first partition wall extending in the first direction on a central portion of the first electrode, a second electrode extending in parallel with the first electrode on the substrate, a second partition wall extending in the first direction on a central portion of the second electrode, and a plurality of light-emitting diodes electrically connected between the first electrode and the second electrode.Type: ApplicationFiled: October 1, 2020Publication date: January 21, 2021Inventors: Hyundeok Im, Jonghyuk Kang, Daehyun Kim, Jooyeol Lee, Hyunmin Cho
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Publication number: 20210013190Abstract: A pixel structure of a display apparatus includes an electrode line, at least one ultra small light-emitting diode, and a connection electrode. The electrode line includes a second electrode separated from a first electrode and at a same level as the first electrode on a base substrate. The at least one ultra small light-emitting diode is on the base substrate and has a length less than a distance between the first and second electrodes. A connection electrode includes a first contact electrode connecting the first electrode to the ultra small light-emitting diode and a second contact electrode connecting the second electrode to the ultra small light-emitting diode.Type: ApplicationFiled: September 28, 2020Publication date: January 14, 2021Inventors: Daehyun KIM, Hyundeok IM, Hyunmin CHO, Jonghyuk KANG, Sungjin HONG, Jooyeol LEE, Chio CHO
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Patent number: 10818647Abstract: A pixel structure of a display apparatus includes an electrode line, at least one ultra small light-emitting diode, and a connection electrode. The electrode line includes a second electrode separated from a first electrode and at a same level as the first electrode on a base substrate. The at least one ultra small light-emitting diode is on the base substrate and has a length less than a distance between the first and second electrodes. A connection electrode includes a first contact electrode connecting the first electrode to the ultra small light-emitting diode and a second contact electrode connecting the second electrode to the ultra small light-emitting diode.Type: GrantFiled: July 11, 2017Date of Patent: October 27, 2020Assignee: Samsung Display Co., Ltd.Inventors: Daehyun Kim, Hyundeok Im, Hyunmin Cho, Jonghyuk Kang, Sungjin Hong, Jooyeol Lee, Chio Cho
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Patent number: 10797212Abstract: A display device includes a substrate, a first electrode extending in a first direction on the substrate, a first partition wall extending in the first direction on a central portion of the first electrode, a second electrode extending in parallel with the first electrode on the substrate, a second partition wall extending in the first direction on a central portion of the second electrode, and a plurality of light-emitting diodes electrically connected between the first electrode and the second electrode.Type: GrantFiled: October 9, 2018Date of Patent: October 6, 2020Assignee: Samsung Display Co., Ltd.Inventors: Hyundeok Im, Jonghyuk Kang, Daehyun Kim, Jooyeol Lee, Hyunmin Cho
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Publication number: 20200295223Abstract: A display apparatus includes a substrate, a first electrode on the substrate, the first electrode including a first portion that has a flat upper surface and a second portion that protrudes from the first portion and has an inclined surface, a second electrode facing the first electrode in parallel on the substrate, the second electrode including a first portion that has a flat upper surface and a second portion that protrudes from the first portion and has an inclined surface, and a plurality of light-emitting devices separate from each other on the first electrode and the second electrode, the light-emitting devices each having a first end contacting the upper surface of the first portion of the first electrode and a second end contacting the upper surface of the first portion of the second electrode.Type: ApplicationFiled: June 1, 2020Publication date: September 17, 2020Inventors: Hyunmin CHO, Daehyun KIM, Sungchul KIM, Jonghyuk KANG, Keunkyu SONG, Jooyeol LEE, Hyundeok IM, Chio CHO, Hyeyong CHU, Sungjin HONG
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Patent number: 10718971Abstract: A display device includes a display panel including a lower substrate, a resonance unit disposed on the lower substrate, a pixel disposed on the resonance unit, and a polarizing plate disposed on the pixel and having a first polarization axis, where the pixel includes a first sub pixel which displays a first color and a second sub pixel which displays a second color different from the first color, and a backlight unit disposed below the display panel and which supplies backlight to the display panel where the resonance unit includes a first optical cavity having a first resonance frequency corresponding to the first color and a second optical cavity having a second resonance frequency corresponding to the second color.Type: GrantFiled: April 18, 2017Date of Patent: July 21, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyundeok Im, Jaewoong Kang, Jonghyuk Kang, Daehyun Kim, Jaebyung Park, Hyunmin Cho, Sung-jin Hong
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Patent number: 10672946Abstract: A display apparatus includes a substrate, a first electrode on the substrate, the first electrode including a first portion that has a flat upper surface and a second portion that protrudes from the first portion and has an inclined surface, a second electrode facing the first electrode in parallel on the substrate, the second electrode including a first portion that has a flat upper surface and a second portion that protrudes from the first portion and has an inclined surface, and a plurality of light-emitting devices separate from each other on the first electrode and the second electrode, the light-emitting devices each having a first end contacting the upper surface of the first portion of the first electrode and a second end contacting the upper surface of the first portion of the second electrode.Type: GrantFiled: July 11, 2017Date of Patent: June 2, 2020Assignee: Samsung Display Co., Ltd.Inventors: Hyunmin Cho, Daehyun Kim, Sungchul Kim, Jonghyuk Kang, Keunkyu Song, Jooyeol Lee, Hyundeok Im, Chio Cho, Hyeyong Chu, Sungjin Hong
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Patent number: 10564344Abstract: A display panel includes a first substrate including a first base substrate and a pixel part, a second substrate disposed under the first substrate and including a second base substrate, which includes a side surface and an upper surface connected to the side surface, and a light exit direction control plate disposed between the second base substrate and the pixel part, and a light source part disposed to face the side surface of the second base substrate and which provides the side surface with a light. The second base substrate guides the light to allow the light to exit through the upper surface as a surface light source and the light exit direction control plate includes a light exit direction control groove to control an exit angle of the surface light source.Type: GrantFiled: March 10, 2016Date of Patent: February 18, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyundeok Im, Jonghyuk Kang, Jaebyung Park, Hyunmin Cho