Patents by Inventor Jong-Hyuk Kang
Jong-Hyuk Kang 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).
-
Patent number: 12288833Abstract: A display device includes a substrate including a display area and a non-display area; and at least one pixel provided in the display area, and including a pixel circuit layer. The display element layer includes at least one transistor, and a display element layer including at least one light emitting element emitting light, and a first electrode and a second electrode spaced apart from each other, disposed on the substrate, and each extending in a first direction, and the at least one light emitting element is electrically connected to each of the first and the second electrodes. The first electrode has at least two widths in an extension direction of the first electrode. The second electrode has at least two widths in an extension direction of the second electrode.Type: GrantFiled: March 4, 2020Date of Patent: April 29, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Eun A Yang, Jong Hyuk Kang, Hyun Deok Im, Hyun Min Cho
-
Publication number: 20250130456Abstract: A wide viewing angle liquid crystal display includes color filters having a quantum dot and scattering particles and liquid crystal layer disposed in a microcavity. a distance between the color filter and the liquid crystal layer being sized to minimize display deterioration due to parallax.Type: ApplicationFiled: December 19, 2024Publication date: April 24, 2025Inventors: JAE BYUNG PARK, SUNG SIK YUN, JONG HYUK KANG, HAE IL PARK, HYUN MIN CHO
-
Patent number: 12283604Abstract: A light-emitting device includes: a substrate; a unit light-emitting area disposed on the substrate; first and second electrodes disposed in the unit light-emitting area to be separated from each other; a plurality of rod-shaped LEDs disposed between the first and second electrodes; a reflective contact electrode disposed on opposite ends of the rod-shaped LEDs to electrically connect the rod-shaped LEDs to the first and second electrodes; and a light-transmitting structure disposed between the first and second electrodes and extending to cross the rod-shaped LEDs.Type: GrantFiled: March 20, 2023Date of Patent: April 22, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jong Hyuk Kang, Hyun Min Cho, Dae Hyun Kim, Joo Yeol Lee, Hyun Deok Im
-
Patent number: 12272770Abstract: A display device may include pixels disposed on a substrate. Each of the pixels may include a first electrode, a second electrode spaced apart from the first electrode and enclosing a perimeter of the first electrode, light emitting elements disposed between the first electrode and the second electrode, and each including a first end and a second end, a third electrode overlapping the first electrode and the first end of each of the light emitting elements in a plan view, and electrically contacting the first electrode and the first end of each of the light emitting elements, and a fourth electrode overlapping the second electrode and the second end of each of the light emitting elements in a plan view, and electrically contacting the second electrode and the second end of each of the light emitting elements. The light emitting elements may be radially disposed around the first electrode.Type: GrantFiled: November 27, 2020Date of Patent: April 8, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Eun A Yang, Han Su Kim, Jong Hyuk Kang, Hyun Min Cho
-
Patent number: 12261246Abstract: A display device comprises a first electrode and a second electrode on a substrate, a first insulating layer on the first electrode and the second electrode, light emitting elements on the first insulating layer each having a first end on the first electrode and a second end on the second electrode, a first connection electrode disposed on the first electrode and electrically contacting the first end of each of the light emitting elements, a second connection electrode disposed on the second electrode and electrically contacting the second end of each of the light emitting elements, a second insulating layer on the light emitting elements, the first connection electrode and the second connection electrode, and a third connection electrode disposed on the second insulating layer and electrically contacting the light emitting elements through an opening formed in the second insulating layer that partially exposes the light emitting elements.Type: GrantFiled: October 5, 2021Date of Patent: March 25, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyun Deok Im, Jong Hyuk Kang, Jung Hyun Ahn, Won Ho Lee, Hae Yun Choi
-
Patent number: 12255223Abstract: A display device includes a pixel in a display area. The pixel includes: spaced apart first and second electrodes; a first insulating layer on the first electrode and the second electrode and between the first electrode and the second electrode and having a first etch selectivity; a first insulating pattern on the first insulating layer between the first electrode and the second electrode, and having a second etch selectivity; a light emitting element on the first insulating pattern; a second insulating pattern having the second etch selectivity and being on one area of the light emitting element such that a first end and the second end of the light emitting element are exposed; and third and fourth electrodes configured to electrically connect the first end and the second end of the light emitting element to the first and second electrodes, respectively.Type: GrantFiled: August 24, 2020Date of Patent: March 18, 2025Assignee: Samsung Display Co., Ltd.Inventors: Hyun Deok Im, Jong Hyuk Kang, Dae Hyun Kim, Hyun Min Cho
-
Patent number: 12255094Abstract: There is provided a semiconductor device including an etching stop film which is placed disposed on a substrate; an interlayer insulating film which is disposed on the etching stop film; a trench which penetrates the interlayer insulating film and the etching stop film; a spacer which extends along side walls of the trench; a barrier film which extends along the spacer and a bottom surface of the trench; and a filling film which fills the trench on the barrier film. The trench includes a first trench and a second trench which are spaced apart from each other in a first direction and have different widths from each other in the first direction. A bottom surface of the second trench is placed disposed below a bottom surface of the first trench.Type: GrantFiled: May 7, 2022Date of Patent: March 18, 2025Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jun Hyuk Lim, Jong Min Baek, Deok Young Jung, Sung Jin Kang, Jang Ho Lee
-
Patent number: 12249674Abstract: A display device includes a first electrode extending in a first direction; a second electrode extending in the first direction and spaced apart from, in a second direction, the first electrode; a light-emitting element having a shape extending in a direction and between the first and second electrodes such that the direction is parallel to the second direction; a first contact electrode having a shape extending in a third direction and having at least a portion on the first electrode; and a second contact electrode having a shape extending in the third direction, spaced apart from, in a fourth direction, the first contact electrode, and having at least a portion on the second electrode, the first contact electrode electrically contacts a side of the light-emitting element, and the second contact electrode electrically contacts another side of the light-emitting element.Type: GrantFiled: December 11, 2020Date of Patent: March 11, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyun Deok Im, Jong Hyuk Kang, Hyun Min Cho
-
Patent number: 12243953Abstract: An apparatus for manufacturing a light emitting display device includes a stage, and at least one electric-field application module disposed on at least one side of the stage. The apparatus further includes at least one of: at least one printing head disposed above the stage, and a heating element disposed adjacent the stage. The at least one electric-field application module includes a probe head having at least one probe pin, and a driver connected to the probe head to move the probe head.Type: GrantFiled: February 7, 2019Date of Patent: March 4, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jong Hyuk Kang, Won Ho Lee, Hyun Deok Im, Young Hoi Kim, Jin Young Kim, Hyun Min Cho, Hae Yun Choi
-
Patent number: 12224306Abstract: A pixel includes a light emitting area including a central portion and an outer portion, a non-light emitting area surrounding the light emitting area, a first electrode and a second electrode that are spaced apart from each other in the light emitting area, and a first light emitting element disposed between the first electrode and the second electrode. The first electrode and the second electrode are spaced apart from each other at a first interval in the central portion, and are spaced apart from each other at a second interval in the outer portion. The second interval is larger than the first interval. An interval between the first electrode and the second electrode gradually increases from the central portion to the outer portion.Type: GrantFiled: August 6, 2021Date of Patent: February 11, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Eun A Cho, Jong Hyuk Kang, Won Ho Lee
-
Publication number: 20250048805Abstract: A light emitting element, a manufacturing method of the light emitting element, a display device including the light emitting element, and a manufacturing method of the display device are provided. The light emitting element includes end portions including a first end portion and a second end portion; a side portion between the first end portion and the second end portion; a semiconductor stacked member including a first semiconductor layer adjacent to the first end portion, a second semiconductor layer adjacent to the second end portion, and an active layer between the first semiconductor layer and the second semiconductor layer; a first surface member on the side portion and having a first surface energy; and a second surface member on the end portions and having a second surface energy less than the first surface energy.Type: ApplicationFiled: March 7, 2024Publication date: February 6, 2025Applicant: Samsung Display Co., LTD.Inventors: Won Ho LEE, Jong Hyuk KANG, Buem Joon KIM, Hyun Deok IM
-
Patent number: 12218177Abstract: A display device in accordance with some embodiments may include a base layer, a first bank pattern and a second bank pattern on the base layer, and spaced apart from each other in a first direction, a first electrode overlapping the first bank pattern, a second electrode overlapping the second bank pattern, and a light emitting element aligned between the first electrode and the second electrode, wherein a distance between an end of the first electrode and an end of the first bank pattern differs from a distance between an end of the second electrode and an end of the second bank pattern in the first direction.Type: GrantFiled: November 8, 2021Date of Patent: February 4, 2025Assignee: Samsung Display Co., Ltd.Inventors: Won Ho Lee, Jong Hyuk Kang, Buem Joon Kim, Hyun Deok Im, Eun A Cho
-
Publication number: 20250040330Abstract: A light emitting device, includes: a substrate; a light emitting element on the substrate, the light emitting element having a first end portion and a second end portion arranged in a longitudinal direction; one or more partition walls disposed on the substrate, the one or more partition walls being spaced apart from the light emitting element; a first reflection electrode adjacent the first end portion of the light emitting element; a second reflection electrode adjacent the second end portion of the light emitting element; a first contact electrode connected to the first reflection electrode and the first end portion of the light emitting element; an insulating layer on the first contact electrode, the insulating layer having an opening exposing the second end portion of the light emitting element and the second reflection electrode to the outside; and a second contact electrode on the insulating layer.Type: ApplicationFiled: October 10, 2024Publication date: January 30, 2025Inventors: Dae Hyun Kim, Jong Hyuk Kang, Joo Yeol Lee, Hyun Deok Im, Hyun Min Cho
-
Patent number: 12211963Abstract: A light emitting device includes: a base substrate; a plurality of unit regions provided on the base substrate; a barrier disposed at a boundary of the unit regions to surround each of the unit regions; a dam disposed in each of the unit regions to be spaced apart from the barrier; a first electrode provided in each of unit light emitting regions surrounded by the dam; a second electrode disposed in each of the unit light emitting regions, the second electrode of which at least one region is provided opposite to the first electrode; and one or more LEDs provided in each of the unit light emitting regions, the one or more LEDs being electrically connected between the first electrode and the second electrode.Type: GrantFiled: November 27, 2023Date of Patent: January 28, 2025Assignee: Samsung Display Co., Ltd.Inventors: Hyun Deok Im, Jong Hyuk Kang, Dae Hyun Kim, Joo Yeol Lee, Hyun Min Cho
-
Patent number: 12206096Abstract: An anode active material for a secondary battery according to an embodiment of the present invention includes first particles serving as a core active material and second particles attached on surfaces of the first particles. A weight of the second particles based on 100 weight parts of a total weight of the first particles and the second particles satisfies a predetermined relation. A secondary battery including the anode active material is provided.Type: GrantFiled: December 16, 2021Date of Patent: January 21, 2025Assignee: SK On Co., Ltd.Inventors: Mi Ryeong Lee, Hee Gyoung Kang, Jong Hyuk Lee
-
Patent number: 12197064Abstract: A wide viewing angle liquid crystal display includes color filters having a quantum dot and scattering particles and liquid crystal layer disposed in a microcavity, a distance between the color filter and the liquid crystal layer being sized to minimize display deterioration due to parallax.Type: GrantFiled: July 13, 2022Date of Patent: January 14, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jae Byung Park, Sung Sik Yun, Jong Hyuk Kang, Hae Il Park, Hyun Min Cho
-
Patent number: 12183854Abstract: A display device comprises a substrate, a first electrode and a second electrode disposed on the substrate, a first insulating layer disposed on the first electrode and the second electrode, first light emitting elements disposed on the first insulating layer, a first connection electrode disposed on the first electrode to contact first ends of the first light emitting elements and a second connection electrode disposed on the second electrode to contact second ends of the first light emitting elements, a second insulating layer disposed on the first light emitting elements, the first connection electrode and the second connection electrode, second light emitting elements disposed on the second insulating layer, a third connection electrode disposed on the first connection electrode to contact first ends of the second light emitting elements, and a fourth connection electrode disposed on the second connection electrode to contact second ends of the second light emitting elements.Type: GrantFiled: August 25, 2021Date of Patent: December 31, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Buem Joon Kim, Won Ho Lee, Hyun Deok Im, Jong Hyuk Kang, Eun A Cho
-
Publication number: 20240363803Abstract: A light emitting device including first and second electrodes spaced apart from each other on a substrate, at least one bar-type LED having a first end on the first electrode and a second end on the second electrode, and an insulative support body between the substrate and the bar-type LED. The at least one bar-type LED has a length greater than a width.Type: ApplicationFiled: July 8, 2024Publication date: October 31, 2024Applicant: Samsung Display Co., Ltd.Inventors: Dae Hyun KIM, Jong Hyuk KANG, Joo Yeol LEE, Hyun Deok IM, Chi O CHO, Hyun Min CHO
-
Patent number: 12132140Abstract: An ink includes a solvent, and light-emitting elements dispersed in the solvent, each of the light-emitting elements comprising semiconductor layers and an insulating film partially surrounding outer surfaces of the semiconductor layers, wherein the solvent has Hansen solubility parameters of a polarity parameter between about 4 and about 9 and a hydrogen bonding parameter between about 6 and about 11.Type: GrantFiled: September 16, 2021Date of Patent: October 29, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyo Jin Ko, Duk Ki Kim, Yong Hwi Kim, Jun Bo Sim, Na Mi Hong, Jong Hyuk Kang, Gyu Bong Kim, Hoi Lim Kim, Sae Na Yun, Chang Hee Lee, Hyun Deok Im, Eun A Cho, Jae Kook Ha
-
Patent number: 12119436Abstract: A display device may include a substrate, pixels disposed on the substrate, each of the pixels including a first electrode, a second electrode, and a plurality of light emitting elements electrically connected between the first and the second electrodes, and a first oscillator disposed on the substrate and electrically connected to a first electrode of a first pixel of the pixels, the first oscillator including at least one transistor and at least one capacitor.Type: GrantFiled: August 23, 2019Date of Patent: October 15, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Won Ho Lee, Sung-Chan Jo, Jong Hyuk Kang, Hyun Deok Im, Hyun Min Cho, Won Kyu Kim