Patents by Inventor Heon-Sik HA
Heon-Sik HA 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: 12004381Abstract: A display apparatus includes a base substrate, an active pattern disposed on the base substrate, a gate insulation layer disposed on the active pattern, a gate electrode disposed on the gate insulation layer and overlapping the active pattern, a first insulation layer disposed on the gate electrode and having a total amount of hydrogen of about 5 atomic percent (at. %) to about 30 at. %, and a source electrode and a drain electrode which are disposed on the first insulation layer and are electrically connected to the active pattern.Type: GrantFiled: October 19, 2021Date of Patent: June 4, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Yung Bin Chung, Yeoungkeol Woo, Kwanghyun Kim, Sangwoo Sohn, Dokeun Song, Sangwook Lee, Heon Sik Ha
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Publication number: 20240138142Abstract: Disclosed is a semiconductor memory device including a peripheral gate structure on a substrate, bitlines disposed on the peripheral gate structure and extending in a first direction, a protruding insulating pattern including channel trenches, extending in a second direction intersecting the first direction, channel structures disposed on the bitlines in the channel trenches and including a metal oxide, first wordlines disposed on the channel structures and extending in the second direction, second wordlines disposed on the channel structures, extending in the second direction, and spaced apart from the first wordlines in the first direction, landing pads disposed on the channel structures and connected to the channel structures, pad separation patterns disposed on the protruding insulating pattern and separating the landing pads, first passage patterns connected to the protruding insulating pattern through pad separation patterns and formed of an oxide-based insulating material, and data storage patterns disType: ApplicationFiled: July 11, 2023Publication date: April 25, 2024Inventors: Jul Pin PARK, Jae Joon SONG, Heon Jun HA, Dong-Sik PARK
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Patent number: 11756938Abstract: A light emitting device includes: a substrate; a first electrode and a second electrode on the substrate and spaced apart from each other; a light emitting diode between the first electrode and the second electrode and connected to the first and second electrodes; a first contact on the first electrode; and a second contact on the second electrode. The first contact contacts the first electrode and a first portion of the light emitting diode, and the second contact contacts the second electrode and a second portion of the light emitting diode.Type: GrantFiled: August 17, 2021Date of Patent: September 12, 2023Assignee: Samsung Display Co., Ltd.Inventors: Yeoung Keol Woo, Chui Min Bae, Heon Sik Ha
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Publication number: 20230017147Abstract: A display device includes a substrate, a light emitting element on the substrate, and including a first end portion and a second end portion that are aligned in a first direction that is substantially parallel to an upper surface of the substrate, a first contact electrode in contact with the first end portion of the light emitting element, a first electrode on the first contact electrode, and electrically connected to the first end portion of the light emitting element through the first contact electrode, and a second electrode electrically connected to the second end portion of the light emitting element.Type: ApplicationFiled: May 20, 2022Publication date: January 19, 2023Inventors: Heon Sik HA, Kwang Hyun KIM
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Patent number: 11502216Abstract: A method of manufacturing a photo sensor includes forming a first conductive layer on a substrate, the first conductive layer including a metal layer and a transparent conductive oxide layer formed on the metal layer, forming a photoconductive layer on the first conductive layer, forming a second conductive layer on the photoconductive layer, forming a first photoresist pattern on the second conductive layer, etching the second conductive layer using the first photoresist pattern as an etch mask to form a second electrode, deforming the first photoresist pattern to form a second photoresist pattern, and etching the photoconductive layer and the first conductive layer using the second photoresist pattern to form a photoconductive pattern and a first electrode, respectively.Type: GrantFiled: May 29, 2020Date of Patent: November 15, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Woo-Seok Jeon, Kwang Hyun Kim, Heon Sik Ha
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Publication number: 20220037435Abstract: A display apparatus includes a base substrate, an active pattern disposed on the base substrate, a gate insulation layer disposed on the active pattern, a gate electrode disposed on the gate insulation layer and overlapping the active pattern, a first insulation layer disposed on the gate electrode and having a total amount of hydrogen of about 5 atomic percent (at. %) to about 30 at. %, and a source electrode and a drain electrode which are disposed on the first insulation layer and are electrically connected to the active pattern.Type: ApplicationFiled: October 19, 2021Publication date: February 3, 2022Inventors: Yung Bin Chung, Yeoungkeol Woo, Kwanghyun Kim, Sangwoo Sohn, Dokeun Song, Sangwook Lee, Heon Sik Ha
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Publication number: 20210375836Abstract: A light emitting device includes: a substrate; a first electrode and a second electrode on the substrate and spaced apart from each other; a light emitting diode between the first electrode and the second electrode and connected to the first and second electrodes; a first contact on the first electrode; and a second contact on the second electrode. The first contact contacts the first electrode and a first portion of the light emitting diode, and the second contact contacts the second electrode and a second portion of the light emitting diode.Type: ApplicationFiled: August 17, 2021Publication date: December 2, 2021Inventors: Yeoung Keol Woo, Chul Min Bae, Heon Sik Ha
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Patent number: 11158693Abstract: A display apparatus includes a base substrate, an active pattern disposed on the base substrate, a gate insulation layer disposed on the active pattern, a gate electrode disposed on the gate insulation layer and overlapping the active pattern, a first insulation layer disposed on the gate electrode and having a total amount of hydrogen of about 5 atomic percent (at. %) to about 30 at. %, and a source electrode and a drain electrode which are disposed on the first insulation layer and are electrically connected to the active pattern.Type: GrantFiled: September 19, 2019Date of Patent: October 26, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Yung Bin Chung, Yeoungkeol Woo, Kwanghyun Kim, Sangwoo Sohn, Dokeun Song, Sangwook Lee, Heon Sik Ha
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Patent number: 11114472Abstract: A transistor panel may include a substrate, a transistor, a first inorganic buffer layer, and an inorganic fluorine-containing buffer layer. The transistor may overlap the substrate and may include a semiconductor layer. The first inorganic buffer layer may be disposed between the substrate and the semiconductor layer. The inorganic fluorine-containing buffer layer may be disposed between the first inorganic buffer layer and the semiconductor layer and may contain fluorine in a range of 0.5 at % to 2 at %.Type: GrantFiled: October 15, 2019Date of Patent: September 7, 2021Inventors: Byeong Beom Kim, Heon Sik Ha, Jin Ho Hwang
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Patent number: 11094678Abstract: A light emitting device includes: a substrate; a first electrode and a second electrode on the substrate and spaced apart from each other; a light emitting diode between the first electrode and the second electrode and connected to the first and second electrodes; a first contact on the first electrode; and a second contact on the second electrode. The first contact contacts the first electrode and a first portion of the light emitting diode, and the second contact contacts the second electrode and a second portion of the light emitting diode.Type: GrantFiled: March 27, 2020Date of Patent: August 17, 2021Assignee: Samsung Display Co., Ltd.Inventors: Yeoung Keol Woo, Chul Min Bae, Heon Sik Ha
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Publication number: 20210135039Abstract: A method of manufacturing a photo sensor includes forming a first conductive layer on a substrate, the first conductive layer including a metal layer and a transparent conductive oxide layer formed on the metal layer, forming a photoconductive layer on the first conductive layer, forming a second conductive layer on the photoconductive layer, forming a first photoresist pattern on the second conductive layer, etching the second conductive layer using the first photoresist pattern as an etch mask to form a second electrode, deforming the first photoresist pattern to form a second photoresist pattern, and etching the photoconductive layer and the first conductive layer using the second photoresist pattern to form a photoconductive pattern and a first electrode, respectively.Type: ApplicationFiled: May 29, 2020Publication date: May 6, 2021Inventors: WOO-SEOK JEON, KWANG HYUN KIM, HEON SIK HA
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Patent number: 10950669Abstract: A display device includes a light-emitting element, a thin film encapsulation layer disposed on the light-emitting element, a protection layer disposed on the thin film encapsulation layer, a first sensing electrode disposed on the protection layer, an insulating layer disposed on the first sensing electrode, and a second sensing electrode disposed on the insulating layer, in which at least one of the thin film encapsulation layer and the insulating layer has a multi-layer structure including first and second alternating layers forming at least three layers, and the first layer includes a first material having a first refractive index and the second layer includes a second material having a second refractive index different from the first refractive index.Type: GrantFiled: October 16, 2018Date of Patent: March 16, 2021Assignee: Samsung Display Co., Ltd.Inventors: Sang Wook Lee, Chang Ok Kim, Heon Sik Ha
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Publication number: 20200227392Abstract: A light emitting device includes: a substrate; a first electrode and a second electrode on the substrate and spaced apart from each other; a light emitting diode between the first electrode and the second electrode and connected to the first and second electrodes; a first contact on the first electrode; and a second contact on the second electrode. The first contact contacts the first electrode and a first portion of the light emitting diode, and the second contact contacts the second electrode and a second portion of the light emitting diode.Type: ApplicationFiled: March 27, 2020Publication date: July 16, 2020Inventors: Yeoung Keol Woo, Chul Min Bae, Heon Sik Ha
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Publication number: 20200203388Abstract: A transistor panel may include a substrate, a transistor, a first inorganic buffer layer, and an inorganic fluorine-containing buffer layer. The transistor may overlap the substrate and may include a semiconductor layer. The first inorganic buffer layer may be disposed between the substrate and the semiconductor layer. The inorganic fluorine-containing buffer layer may be disposed between the first inorganic buffer layer and the semiconductor layer and may contain fluorine in a range of 0.5 at % to 2 at %.Type: ApplicationFiled: October 15, 2019Publication date: June 25, 2020Inventors: Byeong Beom KIM, Heon Sik HA, Jin Ho HWANG
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Publication number: 20200111854Abstract: A display apparatus includes a base substrate, an active pattern disposed on the base substrate, a gate insulation layer disposed on the active pattern, a gate electrode disposed on the gate insulation layer and overlapping the active pattern, a first insulation layer disposed on the gate electrode and having a total amount of hydrogen of about 5 atomic percent (at. %) to about 30 at. %, and a source electrode and a drain electrode which are disposed on the first insulation layer and are electrically connected to the active pattern.Type: ApplicationFiled: September 19, 2019Publication date: April 9, 2020Inventors: Yung Bin CHUNG, Yeoungkeol WOO, Kwanghyun KIM, Sangwoo SOHN, Dokeun SONG, Sangwook LEE, Heon Sik HA
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Patent number: 10607968Abstract: A light emitting device includes: a substrate; a first electrode and a second electrode on the substrate and spaced apart from each other; a light emitting diode between the first electrode and the second electrode and connected to the first and second electrodes; a first contact on the first electrode; and a second contact on the second electrode. The first contact contacts the first electrode and a first portion of the light emitting diode, and the second contact contacts the second electrode and a second portion of the light emitting diode.Type: GrantFiled: March 21, 2018Date of Patent: March 31, 2020Assignee: Samsung Display Co., Ltd.Inventors: Yeoung Keol Woo, Chul Min Bae, Heon Sik Ha
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Publication number: 20200027927Abstract: A method of manufacturing a display device, including: providing a display element layer on a substrate; forming a thin film encapsulation layer covering the display element layer; aging the thin film encapsulation layer by using a light source emitting artificial sunlight; and forming a window on the aged thin film encapsulation layer.Type: ApplicationFiled: September 30, 2019Publication date: January 23, 2020Inventors: Heon Sik HA, Kwang Hyun KIM, Sang Wook LEE
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Patent number: 10475854Abstract: A method of manufacturing a display device, including: providing a display element layer on a substrate; forming a thin film encapsulation layer covering the display element layer; aging the thin film encapsulation layer by using a light source emitting artificial sunlight; and forming a window on the aged thin film encapsulation layer.Type: GrantFiled: December 8, 2017Date of Patent: November 12, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Heon Sik Ha, Kwang Hyun Kim, Sang Wook Lee
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Publication number: 20190115395Abstract: A display device includes a light-emitting element, a thin film encapsulation layer disposed on the light-emitting element, a protection layer disposed on the thin film encapsulation layer, a first sensing electrode disposed on the protection layer, an insulating layer disposed on the first sensing electrode, and a second sensing electrode disposed on the insulating layer, in which at least one of the thin film encapsulation layer and the insulating layer has a multi-layer structure including first and second alternating layers forming at least three layers, and the first layer includes a first material having a first refractive index and the second layer includes a second material having a second refractive index different from the first refractive index.Type: ApplicationFiled: October 16, 2018Publication date: April 18, 2019Inventors: Sang Wook LEE, Chang Ok KIM, Heon Sik Ha
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Publication number: 20190096858Abstract: A light emitting device includes: a substrate; a first electrode and a second electrode on the substrate and spaced apart from each other; a light emitting diode between the first electrode and the second electrode and connected to the first and second electrodes; a first contact on the first electrode; and a second contact on the second electrode. The first contact contacts the first electrode and a first portion of the light emitting diode, and the second contact contacts the second electrode and a second portion of the light emitting diode.Type: ApplicationFiled: March 21, 2018Publication date: March 28, 2019Inventors: Yeoung Keol Woo, Chul Min Bae, Heon Sik Ha