Patents by Inventor Deok-Hoi Kim
Deok-Hoi Kim 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: 20240122041Abstract: A display device and a method of manufacturing the same are provided. The display device comprises a substrate comprising a display area in which emission areas are arranged, a main non-display area around the display area, a hole area surrounded by the display area, and an additional non-display area between the hole area and the display area; a circuit layer; a light emitting element layer; a sealing layer; a through portion in the hole area and penetrating at least the substrate; and sealing auxiliary structures in the additional non-display area and sequentially surrounding the hole area. Each of the sealing auxiliary structures comprises a first undercut portion in which a first cover layer protrudes from a first main layer; and a second undercut portion in which a second cover layer protrudes from a second main layer.Type: ApplicationFiled: August 10, 2023Publication date: April 11, 2024Inventors: Swae Hyun KIM, Jeong Ho LEE, You Han MOON, Deok Hoi KIM, Ki Ryeol BAE, Min Su LEE
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Patent number: 11950471Abstract: A display apparatus includes a base substrate including a display area in which an image is displayed and a peripheral area adjacent to the display area, a source/drain pattern on the base substrate, the source/drain pattern including a connecting electrode in a pad portion of the peripheral area and a electrode of a thin film transistor in the display area, a planarization insulation layer on the base substrate, the planarization insulation layer contacting a side surface of the connecting electrode and a side surface of the electrode of the thin film transistor, and exposing a top surface of the connecting electrode, a connecting member contacting the connecting electrode, and a driving member including a driving circuit, the driving member being connected to the connecting member.Type: GrantFiled: January 6, 2023Date of Patent: April 2, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dong Hyun Son, Sung Hoon Moon, Sung Jun Kim, Kohei Ebisuno, Deok Hoi Kim, Sanghoon Oh
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Patent number: 11937457Abstract: A display device is provided. The display device comprises a first base substrate, a first barrier layer disposed on the first base substrate, a second base substrate disposed on the first barrier layer, a first sub-substrate disposed on the second base substrate and comprising at least one dopant selected from a group consisting of: fluorine (F), boron (B), arsenic (As), phosphorus (P), chlorine (Cl), bromine (Br), iodine (I), astatine (At), sulfur (S), selenium (Se), argon (Ar), and tellurium (Te), a second barrier layer disposed on the first sub-substrate, a second buffer layer disposed on the second barrier layer, a first buffer layer disposed on the second buffer layer, at least one transistor disposed on the first buffer layer, and an organic light-emitting diode disposed on the at least one transistor.Type: GrantFiled: August 24, 2021Date of Patent: March 19, 2024Assignee: Samsung Display Co., Ltd.Inventors: Jong Baek Seon, Deok Hoi Kim, Hun Kim
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Patent number: 11903254Abstract: A display device includes: a base substrate having a display region including a first region and a second region, and a non-display region; a first semiconductor layer including polysilicon at the second region; a first conductive layer on a first insulating layer, and including a bottom gate electrode at the first region and a second-first gate electrode at the second region; a second semiconductor layer including an oxide on a second insulating layer at the first region; a second conductive layer on a third insulating layer, and including a top gate electrode at the first region and a second-second gate electrode at the second region; and a third conductive layer on a fourth insulating layer, and including a first source electrode and a first drain electrode connected to the second semiconductor layer, and a second source electrode and a second drain electrode connected to the first semiconductor layer.Type: GrantFiled: May 6, 2022Date of Patent: February 13, 2024Assignee: Samsung Display Co., Ltd.Inventors: Ji Eun Choi, Deok Hoi Kim, Jeong Hwan Kim, Jong Baek Seon, Jun Cheol Shin, Jae Hak Lee
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Publication number: 20230147378Abstract: A display apparatus includes a base substrate including a display area in which an image is displayed and a peripheral area adjacent to the display area, a source/drain pattern on the base substrate, the source/drain pattern including a connecting electrode in a pad portion of the peripheral area and a electrode of a thin film transistor in the display area, a planarization insulation layer on the base substrate, the planarization insulation layer contacting a side surface of the connecting electrode and a side surface of the electrode of the thin film transistor, and exposing a top surface of the connecting electrode, a connecting member contacting the connecting electrode, and a driving member including a driving circuit, the driving member being connected to the connecting member.Type: ApplicationFiled: January 6, 2023Publication date: May 11, 2023Applicant: Samsung Display Co., LTD.Inventors: Dong Hyun SON, Sung Hoon MOON, Sung Jun KIM, Kohei EBISUNO, Deok Hoi KIM, Sanghoon OH
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Patent number: 11552157Abstract: A display apparatus includes a base substrate including a display area in which an image is displayed and a peripheral area adjacent to the display area, a source/drain pattern on the base substrate, the source/drain pattern including a connecting electrode in a pad portion of the peripheral area and a electrode of a thin film transistor in the display area, a planarization insulation layer on the base substrate, the planarization insulation layer contacting a side surface of the connecting electrode and a side surface of the electrode of the thin film transistor, and exposing a top surface of the connecting electrode, a connecting member contacting the connecting electrode, and a driving member including a driving circuit, the driving member being connected to the connecting member.Type: GrantFiled: February 17, 2021Date of Patent: January 10, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dong Hyun Son, Sung Hoon Moon, Sung Jun Kim, Kohei Ebisuno, Deok Hoi Kim, Sanghoon Oh
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Publication number: 20220293886Abstract: A display device includes: a first substrate; a second substrate disposed on the first substrate and including a plurality of voids; at least one inorganic layer disposed on the second substrate; at least one transistor disposed on the at least one inorganic layer; and a light-emitter disposed on the at least one transistor. The second substrate is in contact with the at least one inorganic layer and has a dielectric constant less than a dielectric constant of the at least one inorganic layer.Type: ApplicationFiled: March 2, 2022Publication date: September 15, 2022Inventors: Jong Baek SEON, Deok Hoi Kim, Hun Kim
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Publication number: 20220262885Abstract: A display device includes: a base substrate having a display region including a first region and a second region, and a non-display region; a first semiconductor layer including polysilicon at the second region; a first conductive layer on a first insulating layer, and including a bottom gate electrode at the first region and a second-first gate electrode at the second region; a second semiconductor layer including an oxide on a second insulating layer at the first region; a second conductive layer on a third insulating layer, and including a top gate electrode at the first region and a second-second gate electrode at the second region; and a third conductive layer on a fourth insulating layer, and including a first source electrode and a first drain electrode connected to the second semiconductor layer, and a second source electrode and a second drain electrode connected to the first semiconductor layer.Type: ApplicationFiled: May 6, 2022Publication date: August 18, 2022Inventors: Ji Eun CHOI, Deok Hoi KIM, Jeong Hwan KIM, Jong Baek SEON, Jun Cheol SHIN, Jae Hak LEE
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Publication number: 20220165825Abstract: A display device is provided. The display device comprises a first base substrate, a first barrier layer disposed on the first base substrate, a second base substrate disposed on the first barrier layer, a first sub-substrate disposed on the second base substrate and comprising at least one dopant selected from a group consisting of: fluorine (F), boron (B), arsenic (As), phosphorus (P), chlorine (Cl), bromine (Br), iodine (I), astatine (At), sulfur (S), selenium (Se), argon (Ar), and tellurium (Te), a second barrier layer disposed on the first sub-substrate, a second buffer layer disposed on the second barrier layer, a first buffer layer disposed on the second buffer layer, at least one transistor disposed on the first buffer layer, and an organic light-emitting diode disposed on the at least one transistor.Type: ApplicationFiled: August 24, 2021Publication date: May 26, 2022Inventors: Jong Baek SEON, Deok Hoi KIM, Hun KIM
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Patent number: 11342401Abstract: A display device includes: a base substrate having a display region including a first region and a second region, and a non-display region; a first semiconductor layer including polysilicon at the second region; a first conductive layer on a first insulating layer, and including a bottom gate electrode at the first region and a second-first gate electrode at the second region; a second semiconductor layer including an oxide on a second insulating layer at the first region; a second conductive layer on a third insulating layer, and including a top gate electrode at the first region and a second-second gate electrode at the second region; and a third conductive layer on a fourth insulating layer, and including a first source electrode and a first drain electrode connected to the second semiconductor layer, and a second source electrode and a second drain electrode connected to the first semiconductor layer.Type: GrantFiled: April 3, 2020Date of Patent: May 24, 2022Assignee: Samsung Display Co., Ltd.Inventors: Ji Eun Choi, Deok Hoi Kim, Jeong Hwan Kim, Jong Baek Seon, Jun Cheol Shin, Jae Hak Lee
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Publication number: 20220123085Abstract: A display apparatus includes a base substrate including a display area and a peripheral area, a conductive layer formed on the base substrate in an entirety of the peripheral area and the display area, a buffer layer on the conductive layer, a thin film transistor on the buffer layer in the display area, an electrode in a contact hole that is formed through the buffer layer to expose a side surface of the conductive layer in the peripheral area, the electrode making contact the conductive layer, an insulating pattern in the contact hole on the electrode, and a wiring on the insulating pattern and electrically connected to the electrode.Type: ApplicationFiled: December 30, 2021Publication date: April 21, 2022Applicant: Samsung Display Co., Ltd.Inventors: Junhee LEE, Kiseong SEO, Deok Hoi KIM
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Patent number: 11239300Abstract: A display apparatus includes a base substrate including a display area and a peripheral area, a conductive layer formed on the base substrate in an entirety of the peripheral area and the display area, a buffer layer on the conductive layer, a thin film transistor on the buffer layer in the display area, an electrode in a contact hole that is formed through the buffer layer to expose a side surface of the conductive layer in the peripheral area, the electrode making contact the conductive layer, an insulating pattern in the contact hole on the electrode, and a wiring on the insulating pattern and electrically connected to the electrode.Type: GrantFiled: October 3, 2019Date of Patent: February 1, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Junhee Lee, Kiseong Seo, Deok Hoi Kim
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Publication number: 20210175317Abstract: A display apparatus includes a base substrate including a display area in which an image is displayed and a peripheral area adjacent to the display area, a source/drain pattern on the base substrate, the source/drain pattern including a connecting electrode in a pad portion of the peripheral area and a electrode of a thin film transistor in the display area, a planarization insulation layer on the base substrate, the planarization insulation layer contacting a side surface of the connecting electrode and a side surface of the electrode of the thin film transistor, and exposing a top surface of the connecting electrode, a connecting member contacting the connecting electrode, and a driving member including a driving circuit, the driving member being connected to the connecting member.Type: ApplicationFiled: February 17, 2021Publication date: June 10, 2021Applicant: Samsung Display Co., LTD.Inventors: Dong Hyun SON, Sung Hoon MOON, Sung Jun KIM, Kohei EBISUNO, Deok Hoi KIM, Sanghoon OH
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Patent number: 10950681Abstract: A display apparatus includes a base substrate including a display area in which an image is displayed and a peripheral area adjacent to the display area, a source/drain pattern on the base substrate, the source/drain pattern including a connecting electrode in a pad portion of the peripheral area and a electrode of a thin film transistor in the display area, a planarization insulation layer on the base substrate, the planarization insulation layer contacting a side surface of the connecting electrode and a side surface of the electrode of the thin film transistor, and exposing a top surface of the connecting electrode, a connecting member contacting the connecting electrode, and a driving member including a driving circuit, the driving member being connected to the connecting member.Type: GrantFiled: September 24, 2019Date of Patent: March 16, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dong Hyun Son, Sung Hoon Moon, Sung Jun Kim, Kohei Ebisuno, Deok Hoi Kim, Sanghoon Oh
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Publication number: 20210013280Abstract: A display device includes: a base substrate having a display region including a first region and a second region, and a non-display region; a first semiconductor layer including polysilicon at the second region; a first conductive layer on a first insulating layer, and including a bottom gate electrode at the first region and a second-first gate electrode at the second region; a second semiconductor layer including an oxide on a second insulating layer at the first region; a second conductive layer on a third insulating layer, and including a top gate electrode at the first region and a second-second gate electrode at the second region; and a third conductive layer on a fourth insulating layer, and including a first source electrode and a first drain electrode connected to the second semiconductor layer, and a second source electrode and a second drain electrode connected to the first semiconductor layer.Type: ApplicationFiled: April 3, 2020Publication date: January 14, 2021Inventors: Ji Eun CHOI, Deok Hoi KIM, Jeong Hwan KIM, Jong Baek SEON, Jun Cheol SHIN, Jae Hak LEE
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Publication number: 20200168688Abstract: A display apparatus includes a base substrate including a display area and a peripheral area, a conductive layer formed on the base substrate in an entirety of the peripheral area and the display area, a buffer layer on the conductive layer, a thin film transistor on the buffer layer in the display area, an electrode in a contact hole that is formed through the buffer layer to expose a side surface of the conductive layer in the peripheral area, the electrode making contact the conductive layer, an insulating pattern in the contact hole on the electrode, and a wiring on the insulating pattern and electrically connected to the electrode.Type: ApplicationFiled: October 3, 2019Publication date: May 28, 2020Inventors: Junhee LEE, Kiseong SEO, Deok Hoi KIM
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Publication number: 20200105858Abstract: A display apparatus includes a base substrate including a display area in which an image is displayed and a peripheral area adjacent to the display area, a source/drain pattern on the base substrate, the source/drain pattern including a connecting electrode in a pad portion of the peripheral area and a electrode of a thin film transistor in the display area, a planarization insulation layer on the base substrate, the planarization insulation layer contacting a side surface of the connecting electrode and a side surface of the electrode of the thin film transistor, and exposing a top surface of the connecting electrode, a connecting member contacting the connecting electrode, and a driving member including a driving circuit, the driving member being connected to the connecting member.Type: ApplicationFiled: September 24, 2019Publication date: April 2, 2020Inventors: Dong Hyun SON, Sung Hoon MOON, Sung Jun KIM, Kohei EBISUNO, Deok Hoi KIM, Sanghoon OH
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Patent number: 9767730Abstract: An organic light emitting diode display includes a pixel portion displaying an image and a peripheral portion surrounding the pixel portion, a semiconductor layer including a pixel switching semiconductor layer on the pixel portion on the substrate, a being driving semiconductor layer, and a peripheral switching semiconductor layer on the peripheral portion, a first gate insulating layer on the semiconductor layer, a peripheral switching gate electrode on the first gate insulating layer of the peripheral portion, a second gate insulating layer covering the peripheral switching gate electrode and the first gate insulating layer, a pixel switching gate electrode and a driving gate electrode on the second gate insulating layer of the pixel portion, and a third gate insulating layer covering the pixel switching gate electrode, the driving gate electrode, and the second gate insulating layer.Type: GrantFiled: August 3, 2016Date of Patent: September 19, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Deok-Hoi Kim
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Patent number: 9741780Abstract: An organic light-emitting diode (OLED) display is disclosed. In one aspect, the display includes a substrate including a display area configured to display an image and the display area includes first and second regions. A plurality of OLEDs are formed in the display area and separated from one another, and a plurality of pixel circuits are formed in the display area and include first and second pixel circuits respectively formed in the first and second regions. First and second contact holes are respectively formed in the first and second pixel circuits, each pixel circuit including thin film transistors (TFTs) including first and second TFTs and electrically connected to the OLEDs. Each pixel circuit includes a node line configured to electrically connect the first TFT to the second TFT through the first and second contact holes, and the first contact hole of is different from the second contact hole.Type: GrantFiled: June 22, 2016Date of Patent: August 22, 2017Assignee: Samsung Display Co., Ltd.Inventors: Deok Hoi Kim, Gun Woo Ko
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Publication number: 20170005156Abstract: An organic light-emitting diode (OLED) display is disclosed. In one aspect, the display includes a substrate including a display area configured to display an image and the display area includes first and second regions. A plurality of OLEDs are formed in the display area and separated from one another, and a plurality of pixel circuits are formed in the display area and include first and second pixel circuits respectively formed in the first and second regions. First and second contact holes are respectively formed in the first and second pixel circuits, each pixel circuit including thin film transistors (TFTs) including first and second TFTs and electrically connected to the OLEDs. Each pixel circuit includes a node line configured to electrically connect the first TFT to the second TFT through the first and second contact holes, and the first contact hole of is different from the second contact hole.Type: ApplicationFiled: June 22, 2016Publication date: January 5, 2017Inventors: Deok Hoi Kim, Gun Woo Ko