Patents by Inventor Woong-Hee Jeong
Woong-Hee Jeong 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: 11942574Abstract: A display device includes a first electrode disposed on a substrate, a first insulating film disposed on the first electrode and having a first opening formed, a second insulating film disposed on the first insulating film and having a second opening, and a contact electrode electrically contacting at least a portion of the first electrode through the first opening and the second opening, wherein a side surface of the first insulating film defines the first opening, and the second insulating film overlaps the side surface of the first insulating film such that the contact electrode and the first insulating film are not in contact with each other.Type: GrantFiled: August 31, 2021Date of Patent: March 26, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seung Jin Chu, Je Min Lee, Hyun Kim, Myeong Hun Song, Jong Chan Lee, Woong Hee Jeong
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Patent number: 11917881Abstract: A display device includes light transmitting areas including a first light transmitting area and light emitting areas around the light transmitting areas and including a first light emitting area disposed around the first light transmitting area, wherein the first light emitting area includes a first-first light emitting area adjacent to a first portion of each of the light transmitting areas, a first-second light emitting area adjacent to a second portion of each of the light transmitting areas, a first-third light emitting area adjacent to a third portion of each of the light transmitting areas, and a first-fourth light emitting area disposed adjacent to a fourth portion of each of the light transmitting areas. The first-first to first-fourth light emitting areas each include at least one of first to third light emitting portions to emit light of first to third colors, respectively.Type: GrantFiled: September 14, 2022Date of Patent: February 27, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Woong Hee Jeong, Ki Bum Kim, Jin Yeong Kim, Hyang A Park, Tae Hoon Yang, Jong Chan Lee
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Patent number: 11908848Abstract: A display device and a method of fabricating a display device are provided. The display device includes a substrate comprising a contact area and a line area, a first electrode that extends in a first direction on the substrate, a first electrode pattern that extends in the first direction and is spaced apart from the first electrode on the substrate, a second electrode that extends in the first direction and is between the first electrode and the first electrode pattern on the substrate, a second electrode pattern that extends in the first direction and is between the first electrode and the second electrode on the substrate, and a first light-emitting element between the first electrode and the second electrode pattern in the contact area.Type: GrantFiled: March 16, 2021Date of Patent: February 20, 2024Assignee: Samsung Display Co., Ltd.Inventors: Jong Chan Lee, Sang Jun Park, Jeong Hyun Lee, Woong Hee Jeong, Kwang Taek Hong
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Publication number: 20240038956Abstract: A pixel includes: a first conductive pattern, a second conductive pattern, and a third conductive pattern on a substrate and spaced apart from each other; a passivation layer on and exposing each of the first, second, and third conductive patterns; a via layer on the passivation layer and having first, second, and third via holes respectively exposing one area of the first conductive pattern, one area of the second conductive pattern, and one area of the third conductive pattern; first and second alignment electrodes on the via layer and electrically connected to the second conductive pattern and the first conductive pattern, respectively; and a light emitting element on the first and second alignment electrodes. The via layer has a first area and a second area that is thinner than the first area, and the second area is directly adjacent to at least one of the via holes.Type: ApplicationFiled: July 26, 2023Publication date: February 1, 2024Inventors: Jong Chan LEE, Jun Seok Min, Jeong Su PARK, Sung Jin LEE, Woong Hee JEONG
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Publication number: 20240006558Abstract: A display device includes a first electrode and a second electrode disposed on a substrate; a first insulating layer disposed over the first electrode and the second electrode; a first bank and a second bank disposed on the first insulating layer and spaced apart from each other; and a light emitting element disposed between the first bank and the second bank. A top surface of the first bank may include a concave groove including a dam structure protruding in a first direction.Type: ApplicationFiled: February 1, 2023Publication date: January 4, 2024Applicant: Samsung Display Co., LTD.Inventors: Jeong Su PARK, Jun Seok MIN, Sung Jin LEE, Jong Chan LEE, Woong Hee JEONG
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Publication number: 20230411371Abstract: A display device includes a bank layer disposed on a substrate and defining an emission area, a first to sixth alignment electrodes, each disposed on the substrate extending across the emission area, spaced apart from each other, and sequentially arranged in a direction, a first light emitting element disposed between the first alignment electrode and the second alignment electrode in the emission area and emitting first light, a second light emitting element disposed between the third alignment electrode and the fourth alignment electrode in the emission area and emitting second light, and a third light emitting element disposed between the fifth alignment electrode and the sixth alignment electrode in the emission area and emitting third light. Wavelengths of the first light, the second light, and the third light are different from each other.Type: ApplicationFiled: February 15, 2023Publication date: December 21, 2023Applicant: Samsung Display Co., LTD.Inventors: Jong Chan Lee, Jin Taek Kim, Jeong Su Park, Sung Jin Lee, Hyun Wook Lee, Woong Hee Jeong
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Publication number: 20230387143Abstract: A display device includes: a substrate; a via layer on the substrate; a first electrode and a second electrode on the via layer and spaced apart from each other; a first insulating layer on the first electrode and the second electrode; a bank layer on the first insulating layer and having barrier portions and a bank portion having a greater thickness than the barrier portions; a second insulating layer on the bank layer and the first insulating layer, the second insulating layer overlapping the barrier portions and not overlapping the bank portion; light emitting elements on the second insulating layer and on the first electrode and the second electrode; and a first connection electrode contacting an end of each light emitting element and a second connection electrode contacting another end of the light emitting elements.Type: ApplicationFiled: February 21, 2023Publication date: November 30, 2023Inventors: Jong Chan LEE, Won Tae KIM, Jin Taek KIM, Jeong Su PARK, Woong Hee JEONG
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Patent number: 11791447Abstract: A display device includes a first electrode disposed on a substrate, a second electrode disposed on the substrate and spaced apart from the first electrode, at least one light-emitting element extending in a direction, disposed between the first electrode and the second electrode, and electrically connected to the first electrode and the second electrode, and an insulating pattern layer disposed on the first electrode and the second electrode, the insulating pattern layer including a fixer disposed on at least part of the at least one light-emitting element, and a barrier surrounding the at least one light-emitting element.Type: GrantFiled: March 9, 2021Date of Patent: October 17, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyun Wook Lee, Tae Hee Lee, Jong Chan Lee, Woong Hee Jeong
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Publication number: 20230327055Abstract: A display device includes a first electrode and a second electrode on a base layer; a first insulating layer on the first electrode and the second electrode; a bank on the first insulating layer; a light emitting element in an area surrounded by the bank; and a second insulating layer on the bank. The second insulating layer forms an opening exposing a surface of the bank.Type: ApplicationFiled: October 5, 2022Publication date: October 12, 2023Applicant: Samsung Display Co., LTD.Inventors: Jin Taek KIM, Hyun KIM, Jeong Su PARK, Jong Chan LEE, Woong Hee JEONG, Jung Eun HONG
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Publication number: 20230317883Abstract: A display device comprises a pad electrode disposed on a substrate, a pad electrode upper layer disposed on the pad electrode, a first pad electrode capping layer disposed on the pad electrode upper layer, a second pad electrode capping layer disposed on the first pad electrode capping layer, a protective layer disposed on the second pad electrode capping layer, and a capping layers disposed on the protective layer. The protective layer comprises a polymer resin and scattering particles. The protective layer comprises a first pad opening exposing the second pad electrode capping layer.Type: ApplicationFiled: January 31, 2023Publication date: October 5, 2023Applicant: Samsung Display Co., LTD.Inventors: Jong Chan LEE, Jin Taek KIM, Hyun KIM, Jeong Su PARK, Sok Ho LEE, Woong Hee JEONG, Jung Eun HONG
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Publication number: 20230317882Abstract: A display device includes, first and second electrodes on a substrate, a buffer layer covering the first and second electrodes, a light emitting element between the first and second electrodes a first contact electrode on the first electrode electrically contacting an end of the light emitting element, and a second contact electrode on the second electrode electrically contacting another end of the light emitting element, and an active layer on the buffer layer, and a first connection electrode electrically contacting at least one side of the active material layer the first and second contact electrodes, and the active material layer are on a same layer, and a thickness of the first electrode and a thickness of the second electrode is greater than about 800 nm.Type: ApplicationFiled: November 2, 2022Publication date: October 5, 2023Applicant: Samsung Display Co., LTD.Inventors: Jong Chan LEE, Jin Taek KIM, Hyun KIM, Jeong Su PARK, Woong Hee JEONG, Jung Eun HONG
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Publication number: 20230282796Abstract: A pixel includes an emission area and a non-emission area, a first pixel electrode, a first intermediate electrode, a second intermediate electrode, and a second pixel electrode spaced from each other, first light emitting elements including a first end electrically connected to the first pixel electrode and a second end electrically connected to the first intermediate electrode, second light emitting elements including a first end electrically connected to the first intermediate electrode and a second end electrically connected to the second intermediate electrode, and third light emitting elements including a first end electrically connected to the second intermediate electrode and a second end electrically connected to the second pixel electrode. The second intermediate electrode includes a first portion opposing the first intermediate electrode, a second portion between the first pixel electrode and the second pixel electrode, and a diagonal line portion between the first portion and the second portion.Type: ApplicationFiled: February 8, 2023Publication date: September 7, 2023Inventors: Jin Taek KIM, Sang Ho PARK, Hyun KIM, Woong Hee JEONG
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Publication number: 20230282684Abstract: Provided herein may be a display device and a transistor. The display device may comprise a semiconductor pattern on a substrate and defining a hole, an insulating layer on the semiconductor pattern, and defining an opening area overlapping the hole, a gate electrode, a source electrode contacting a conductive area of the semiconductor pattern through the opening area, and a drain electrode on the insulating layer, electrodes respectively on the gate electrode, the source electrode, and the drain electrode, and spaced apart from each other, and light emitting elements between the electrodes, respectively.Type: ApplicationFiled: January 30, 2023Publication date: September 7, 2023Inventors: Jong Chan LEE, Jin Taek KIM, Hyun KIM, Jeong Su PARK, Sung Jin LEE, Woong Hee JEONG, Jung Eun HONG
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Publication number: 20230253412Abstract: A display device includes a substrate including a display area and a pad area; a first conductive layer including a first pad electrode in the pad area; and a second conductive layer the second conductive layer includes a second pad electrode on the first pad electrode in the pad area; the first pad electrode and the second pad electrode overlap in a first direction that is a thickness direction, and do not overlap in a second direction perpendicular to the first direction.Type: ApplicationFiled: September 29, 2022Publication date: August 10, 2023Applicant: Samsung Display Co., LTD.Inventors: Jeong Su PARK, Jin Taek KIM, Hyun KIM, Sung Jin LEE, Jong Chan LEE, Woong Hee JEONG, Jung Eun HONG
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Publication number: 20230187428Abstract: A display device may include a plurality of pixels each including an emission area and a non-emission area. Each of the plurality of pixels may include a via layer on a substrate and including an organic layer, a first alignment electrode and a second alignment electrode on the via layer in the emission area and spaced apart from each other, a first insulating layer on the first and second alignment electrodes of the emission area and including a lyophilic organic material, a first bank pattern and a second bank pattern on the first insulating layer of the emission area and spaced apart from each other, a first bank in the non-emission area and including a liquid repellent organic material, and a light emitting element on the first insulating layer in the emission area.Type: ApplicationFiled: October 6, 2022Publication date: June 15, 2023Applicant: Samsung Display Co., LTD.Inventors: Jong Chan LEE, Jin Taek KIM, Hyun KIM, Jeong Su PARK, Woong Hee JEONG, Jung Eun HONG
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Publication number: 20230154937Abstract: A display device includes: a substrate having an emission area and a non-emission area; a first bank in the non-emission area of the substrate and having an opening; electrodes on the first bank and spaced apart from each other; a second bank on the electrodes; and light emitting elements on the second bank between the electrodes. The second bank has a first area overlapping the light emitting elements and a second area in the opening in the first bank.Type: ApplicationFiled: July 29, 2022Publication date: May 18, 2023Inventors: Jong Chan LEE, Jin Taek KIM, Hyun KIM, Jeong Su PARK, Woong Hee JEONG, Jung Eun HONG
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Publication number: 20230133550Abstract: A method for fabricating a thin film transistor comprises disposing a semiconductor layer including a channel area, and a first and second electrode areas, disposing a gate insulating layer covering the semiconductor layer, disposing a diffusion barrier layer covering the gate insulating layer, disposing first and second electrode holes corresponding to the first and second electrode areas, and disposing a gate electrode overlapping the channel area, first and second electrodes electrically connected to the first and second electrode areas through the first and second electrode holes. The disposing of the first electrode hole, and the second electrode hole includes patterning the diffusion layer with a patterning mask disposed on the diffusion barrier layer. The disposing of the gate electrode and the first and second electrodes may include disposing a conductive material layer covering the diffusion barrier layer, and patterning the conductive material layer.Type: ApplicationFiled: June 30, 2022Publication date: May 4, 2023Applicant: Samsung Display Co., LTD.Inventors: Jong Chan LEE, Jung Eun HONG, Jin Taek KIM, Hyun KIM, Jeong Su PARK, Woong Hee JEONG
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Patent number: 11626075Abstract: A scan driver includes stage circuits, wherein each of the stage circuits includes a first transistor, wherein a first electrode thereof is coupled to a first node, a second electrode thereof is coupled to an input carry line, and a gate electrode thereof is coupled to a first clock line; and a capacitor, wherein a first electrode thereof is coupled to the first node and a second electrode thereof is coupled to a second node, wherein the second node is coupled to an output carry line, and the second node is selectively coupled to one of a first power voltage line and a second power voltage line.Type: GrantFiled: September 26, 2019Date of Patent: April 11, 2023Assignees: SAMSUNG DISPLAY CO, LTD., KONKUK UNIVERSITY INDUSTRIAL COOPERATION CORPInventors: Tae Hoon Yang, Joon Ho Lee, Kee Chan Park, Ki Bum Kim, Jong Chan Lee, Woong Hee Jeong
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Publication number: 20230019300Abstract: A display device includes light transmitting areas including a first light transmitting area and light emitting areas around the light transmitting areas and including a first light emitting area disposed around the first light transmitting area, wherein the first light emitting area includes a first-first light emitting area adjacent to a first portion of each of the light transmitting areas, a first-second light emitting area adjacent to a second portion of each of the light transmitting areas, a first-third light emitting area adjacent to a third portion of each of the light transmitting areas, and a first-fourth light emitting area disposed adjacent to a fourth portion of each of the light transmitting areas. The first-first to first-fourth light emitting areas each include at least one of first to third light emitting portions to emit light of first to third colors, respectively.Type: ApplicationFiled: September 14, 2022Publication date: January 19, 2023Applicant: Samsung Display Co., LTD.Inventors: Woong Hee JEONG, Ki Bum KIM, Jin Yeong KIM, Hyang A PARK, Tae Hoon YANG, Jong Chan LEE
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Publication number: 20230006175Abstract: A display device includes: a substrate having an opening area, a peripheral area surrounding the opening area, and a display area surrounding the peripheral area; a transistor disposed on the substrate; a first electrode electrically connected to the transistor; an emission layer disposed on the first electrode; a second electrode disposed on the emission layer; a first encapsulation inorganic layer, an encapsulation organic layer, and a second encapsulation inorganic layer disposed on the second electrode; and an electronic module disposed in the opening area, wherein in the peripheral area, the second electrode has a first opening exposing the emission layer, and the first encapsulation inorganic layer has a second opening exposing the emission layer.Type: ApplicationFiled: April 6, 2022Publication date: January 5, 2023Inventors: Hyun Kim, Jin Taek KIM, Jeong Su PARK, Jong Chan LEE, Woong Hee JEONG, Jung Eun HONG