Patents by Inventor Chul-Won PARK
Chul-Won PARK 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: 20240133800Abstract: Provided is a concentration measuring device which includes: a main pipe through which a fluid whose concentration is to be measured flows; a flow cell having a fluid passage and a light passage formed to pass through the fluid passage; a spectrometer capable of measuring absorbance for each wavelength of the source light transmitted to the flow cell and the received light receiving from the flow cell; and an optical cable connecting the flow cell and the spectrometer with each other, wherein the flow cell is separated from the main pipe to be provided separately, and a fluid pipe is connected to the flow cell, so that the fluid flows from the main pipe to the flow cell through the fluid pipe using a pitot tube.Type: ApplicationFiled: March 8, 2023Publication date: April 25, 2024Inventors: Chul Won KIM, Sung Won JEON, Kyoung Ho PARK, Min Ki PARK
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Patent number: 11955609Abstract: A method of activating a secondary battery includes an operation of deriving a reduction reaction voltage according to an electrolyte additive, a pre-charging operation of pre-charging the secondary battery into which an electrolyte containing the electrolyte additive is injected, and a pre-aging operation of wetting an electrode assembly accommodated in the secondary battery with the injected electrolyte and aging the electrode assembly. A charging termination voltage in the pre-charging operation is less than the reduction reaction voltage.Type: GrantFiled: September 6, 2022Date of Patent: April 9, 2024Assignee: LG ENERGY SOLUTION, LTD.Inventors: Jung Hoon Lee, Chul Haeng Lee, Yoo Sun Kang, Sol Ji Park, Jae Won Lee
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Patent number: 11944661Abstract: The present invention provides a pharmaceutical composition for prevention or treatment of a stress disease and depression, the pharmaceutical composition be safely useable without toxicity and side effects by using an extract of leaves of Vaccinium bracteatum Thunb., which is natural resource of Korea, so that the reduction of manufacturing and production costs and the import substitution and export effects can be expected through the replacement of a raw material for preparation with a plant inhabiting in nature.Type: GrantFiled: February 7, 2018Date of Patent: April 2, 2024Assignee: JEONNAM BIOINDUSTRY FOUNDATIONInventors: Chul Yung Choi, Dool Ri Oh, Yu Jin Kim, Eun Jin Choi, Hyun Mi Lee, Dong Hyuck Bae, Kyo Nyeo Oh, Myung-A Jung, Ji Ae Hong, Kwang Su Kim, Hu Won Kang, Jae Yong Kim, Sang O Pan, Sung Yoon Park, Rack Seon Seong
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Publication number: 20240049544Abstract: A display device includes: a substrate; a conductive pattern layer disposed on the substrate; a buffer layer disposed on the conductive pattern layer; an active pattern layer disposed on the buffer layer and including a channel region and a conductive region adjacent to the channel region; an insulating pattern layer disposed on the channel region; an oxide pattern layer disposed on the insulating pattern layer; a gate electrode disposed on the oxide pattern layer; and a connecting member electrically connected to the conductive pattern layer and the conductive region. The connecting member and the oxide pattern layer include a same material.Type: ApplicationFiled: April 7, 2023Publication date: February 8, 2024Applicant: Samsung Display Co., LTD.Inventors: Joon Seok PARK, JONGDO KEUM, Hyoung Do KIM, Yun Yong NAM, Chul Won PARK, Kilim HAN
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Publication number: 20240049540Abstract: A stretchable display device includes a stretchable substrate including a plurality of island areas that are separated from each other and a hinge area connecting the plurality of island areas, a plurality of display units respectively located in each of the plurality of island areas, a wiring part connecting the plurality of display units and located at the hinge area, and an insulating layer between the stretchable substrate and the plurality of display units. The insulating layer includes an opening overlapping the hinge area.Type: ApplicationFiled: October 19, 2023Publication date: February 8, 2024Applicant: Samsung Display Co., Ltd.Inventors: Gwui-Hyun PARK, Chul Won PARK, Pil Soon HONG, Bo Geon JEON
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Patent number: 11800765Abstract: A stretchable display device includes a stretchable substrate including a plurality of island areas that are separated from each other and a hinge area connecting the plurality of island areas, a plurality of display units respectively located in each of the plurality of island areas, a wiring part connecting the plurality of display units and located at the hinge area, and an insulating layer between the stretchable substrate and the plurality of display units. The insulating layer includes an opening overlapping the hinge area.Type: GrantFiled: February 15, 2023Date of Patent: October 24, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Gwui-Hyun Park, Chul Won Park, Pil Soon Hong, Bo Geon Jeon
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Publication number: 20230200163Abstract: A stretchable display device includes a stretchable substrate including a plurality of island areas that are separated from each other and a hinge area connecting the plurality of island areas, a plurality of display units respectively located in each of the plurality of island areas, a wiring part connecting the plurality of display units and located at the hinge area, and an insulating layer between the stretchable substrate and the plurality of display units. The insulating layer includes an opening overlapping the hinge area.Type: ApplicationFiled: February 15, 2023Publication date: June 22, 2023Applicant: Samsung Display Co., Ltd.Inventors: Gwui-Hyun PARK, Chul Won PARK, Pil Soon HONG, Bo Geon JEON
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Patent number: 11594591Abstract: A stretchable display device includes a stretchable substrate including a plurality of island areas that are separated from each other and a hinge area connecting the plurality of island areas, a plurality of display units respectively located in each of the plurality of island areas, a wiring part connecting the plurality of display units and located at the hinge area, and an insulating layer between the stretchable substrate and the plurality of display units. The insulating layer includes an opening overlapping the hinge area.Type: GrantFiled: February 22, 2021Date of Patent: February 28, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Gwui-Hyun Park, Chul Won Park, Pil Soon Hong, Bo Geon Jeon
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Publication number: 20220173156Abstract: A display device includes a first via layer on a substrate and including trench parts recessed from an upper surface of the first via layer, a first electrode and a second electrode on the first via layer and spaced apart from each other, a second via layer on the first via layer and including first openings partially exposing the first electrode, and a second opening partially exposing the second electrode, light emitting elements in the first openings of the second via layer and extending in a direction, and a third electrode on the second via layer. Each of the light emitting elements includes a first end electrically connected to the first electrode and a second end electrically connected to the third electrode such that the extending direction of the light emitting elements is not parallel to an upper surface of the substrate.Type: ApplicationFiled: September 14, 2021Publication date: June 2, 2022Applicant: Samsung Display Co., LTD.Inventors: Chul Won PARK, Koichi SUGITANI, Gwui Hyun PARK, Sae Hee HAN, Pil Soon HONG
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Publication number: 20220130868Abstract: A display device and a method of manufacturing a display device are provided. An embodiment of a display device includes a substrate; a first conductive layer disposed on the substrate; a first insulating layer disposed on the first conductive layer; a second conductive layer connected to the first conductive layer through a first contact hole in the first insulating layer; a second insulating layer filling an inside of the first contact hole; and a third insulating layer disposed on the second conductive layer and the second insulating layer. The first insulating layer includes a first region that overlaps the second conductive layer and a second region that does not overlap the second conductive layer, and a top surface of the first region of the first insulating layer is positioned higher than a top surface of the second region of the first insulating layer.Type: ApplicationFiled: August 9, 2021Publication date: April 28, 2022Inventors: Koichi SUGITANI, Hye In KIM, Gwui Hyun PARK, Chul Won PARK, Pil Soon HONG
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Publication number: 20210183988Abstract: A stretchable display device includes a stretchable substrate including a plurality of island areas that are separated from each other and a hinge area connecting the plurality of island areas, a plurality of display units respectively located in each of the plurality of island areas, a wiring part connecting the plurality of display units and located at the hinge area, and an insulating layer between the stretchable substrate and the plurality of display units. The insulating layer includes an opening overlapping the hinge area.Type: ApplicationFiled: February 22, 2021Publication date: June 17, 2021Applicant: Samsung Display Co., Ltd.Inventors: Gwui-Hyun PARK, Chul Won PARK, Pil Soon HONG, Bo Geon JEON
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Patent number: 10991772Abstract: A touch display panel including a thin-film transistor substrate comprising a thin-film transistor, a pixel defining layer disposed on the thin-film transistor substrate and including a first opening, a light emitting structure disposed in the first opening, a thin film encapsulation layer covering the light emitting structure and the pixel defining layer, a first metal pattern disposed on the thin film encapsulation layer, a first insulation pattern disposed on the first metal pattern and having a plane area the same as or smaller than that of the first metal pattern, a second metal pattern disposed on the first insulation pattern, and a second insulation layer disposed on the second metal pattern and the thin film encapsulation layer, and contacting the first metal pattern, the first insulation pattern, and the second metal pattern.Type: GrantFiled: September 26, 2019Date of Patent: April 27, 2021Assignee: Samsung Display Co., Ltd.Inventors: Yang-Ho Jung, Chul-Won Park, Jeong-Min Park, Beung-Hwa Jeong
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Patent number: 10978668Abstract: An organic light emitting diode (OLED) display includes a first substrate, a second substrate facing the first substrate, a sealing member interposed between the first substrate and the second substrate, the sealing member including a siloxane material, a semiconductor layer on the first substrate, a planarization layer on the semiconductor layer, and a barrier rib on the planarization layer. The planarization layer or the barrier rib may also include the siloxane material.Type: GrantFiled: June 17, 2019Date of Patent: April 13, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Gwui-Hyun Park, Pil Soon Hong, Chul Won Park, Jeong Min Park, Hyun Jin Son
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Patent number: 10964769Abstract: A stretchable display device includes a stretchable substrate including a plurality of island areas that are separated from each other and a hinge area connecting the plurality of island areas, a plurality of display units respectively located in each of the plurality of island areas, a wiring part connecting the plurality of display units and located at the hinge area, and an insulating layer between the stretchable substrate and the plurality of display units. The insulating layer includes an opening overlapping the hinge area.Type: GrantFiled: January 30, 2019Date of Patent: March 30, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Gwui-Hyun Park, Chul Won Park, Pil Soon Hong, Bo Geon Jeon
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Patent number: 10868093Abstract: A light emitting diode display includes a first electrode, a second electrode overlapping the first electrode, a light emission layer between the first electrode and the second electrode, a pixel defining layer overlapping a part of the first electrode, the pixel defining layer and the light emission layer being spaced apart from each other in a top view, and an inorganic layer between the first electrode and the light emission layer, and an edge of the inorganic layer overlapping the light emission layer and the pixel defining layer.Type: GrantFiled: January 17, 2019Date of Patent: December 15, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Gwui-Hyun Park, Chul Won Park, Bo Geon Jeon, Pil Soon Hong
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Publication number: 20200388666Abstract: A display device comprises: a base layer, islands and bridges, the islands and the bridges disposed on the base layer, the bridges connecting the islands to each other, first wirings disposed on the bridges, pixels disposed on the islands, the first wirings disposed on the bridges, pixels disposed on the islands, the first wirings being connected to the pixels; an inorganic insulating layer disposed on the base layer, the inorganic insulating layer includes an opening exposing the base layer of a bridge region having the bridges; second wirings disposed in the opening; and a first organic insulating layer disposed between the first wirings and the second wirings, where the first wirings and the second wirings are connected to each other through first contact holes formed in the first organic insulating layer.Type: ApplicationFiled: April 7, 2020Publication date: December 10, 2020Applicant: Samsung Display Co., LTD.Inventors: Gwui Hyun PARK, Pil Soon HONG, Chul Won PARK, Hyun Jin SON, Koichi SUGITANI, Hyung Bin CHO
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Publication number: 20200067014Abstract: An organic light emitting diode (OLED) display includes a first substrate, a second substrate facing the first substrate, a sealing member interposed between the first substrate and the second substrate, the sealing member including a siloxane material, a semiconductor layer on the first substrate, a planarization layer on the semiconductor layer, and a barrier rib on the planarization layer. The planarization layer or the barrier rib may also include the siloxane material.Type: ApplicationFiled: June 17, 2019Publication date: February 27, 2020Inventors: Gwui-Hyun PARK, Pil Soon HONG, Chul Won PARK, Jeong Min PARK, Hyun Jin SON
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Publication number: 20200067016Abstract: A display device includes: a substrate including a display area and a non-display area around the display area; a light-emitting element disposed in the display area; an encapsulating layer sealing the light-emitting element; and a dam disposed in the non-display area. The dam includes a first layer and a second layer on the first layer, the first layer includes a first portion with a first height and a second portion with a second height that is less than the first height, and the second layer covers a lateral surface of the first portion.Type: ApplicationFiled: March 26, 2019Publication date: February 27, 2020Inventors: Gwui-Hyun PARK, Jin Seock KIM, Pil Soon HONG, Chul Won PARK
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Publication number: 20200020748Abstract: A touch display panel including a thin-film transistor substrate comprising a thin-film transistor, a pixel defining layer disposed on the thin-film transistor substrate and including a first opening, a light emitting structure disposed in the first opening, a thin film encapsulation layer covering the light emitting structure and the pixel defining layer, a first metal pattern disposed on the thin film encapsulation layer, a first insulation pattern disposed on the first metal pattern and having a plane area the same as or smaller than that of the first metal pattern, a second metal pattern disposed on the first insulation pattern, and a second insulation layer disposed on the second metal pattern and the thin film encapsulation layer, and contacting the first metal pattern, the first insulation pattern, and the second metal pattern.Type: ApplicationFiled: September 26, 2019Publication date: January 16, 2020Inventors: YANG-HO JUNG, CHUL-WON PARK, JEONG-MIN PARK, BEUNG-HWA JEONG
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Patent number: 10468466Abstract: A touch display panel including a thin-film transistor substrate including a thin-film transistor, a pixel defining layer disposed on the thin-film transistor substrate and including a first opening, a light emitting structure disposed in the first opening, a thin film encapsulation layer covering the light emitting structure and the pixel defining layer, a first metal pattern disposed on the thin film encapsulation layer, a first insulation pattern disposed on the first metal pattern and having the same shape as the first metal pattern in a plan view, a second metal pattern disposed on the first insulation pattern, and a second insulation layer disposed on the second metal pattern and the thin film encapsulation layer and covering the first metal pattern, the first insulation pattern and the second metal pattern.Type: GrantFiled: February 28, 2017Date of Patent: November 5, 2019Assignee: Samsung Display Co., Ltd.Inventors: Yang-Ho Jung, Chul-Won Park, Jeong-Min Park, Beung-Hwa Jeong