Patents by Inventor Chul-Won Kim
Chul-Won 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: 20240188335Abstract: A display device and a manufacturing method of the display device are provided. The display device includes a substrate, a passivation layer disposed on the substrate, a metal oxide layer disposed on the passivation layer, a via layer disposed on the metal oxide layer, a first electrode disposed on the via layer, a pixel defining layer covering the metal oxide layer and an edge portion of the first electrode and dividing a light-emitting area, an organic layer disposed on the first electrode and the pixel defining layer, and a second electrode disposed on the organic layer, wherein a side of the pixel defining layer protrudes more outward than a side of the metal oxide layer, and at least a portion of the organic layer is disconnected at a point between the side of the pixel defining layer and the passivation layer.Type: ApplicationFiled: July 21, 2023Publication date: June 6, 2024Applicant: Samsung Display Co., LTD.Inventors: Chul Won PARK, Myoung Hwa KIM, Geun Chul PARK, Jun Hyung LIM, Hye Lim CHOI
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Patent number: 11999119Abstract: The present disclosure relates to a method for manufacturing a polarizing plate. The method includes a step of preparing a transfer type retarder laminate which has a carrier substrate, an alignment film and a retarder layer sequentially; and a step of laminating the transfer type retarder laminate on one side of a polymeric stretched film containing a dichroic substance, where a peel force at a peeling angle of 90° between the carrier substrate and the retarder layer in the transfer type retarder laminate and a peeling rate of 300 mm/min is in a range of 0.10 N/20 mm to 0.13 N/20 mm. The polarizing plate can be used as a circularly polarizing plate or an optical compensation polarizing plate in various display devices.Type: GrantFiled: June 24, 2019Date of Patent: June 4, 2024Assignee: LG Chem, Ltd.Inventors: Hyung Il Yang, Dong Ho Ko, Seong Jin Kim, Chul In Joung, Myeong Ho Lee, Lee Won Kim
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Publication number: 20240174795Abstract: Provided are a biodegradable aliphatic-aromatic polyester copolymer having excellent hydrolysis resistance and high viscosity which has a carboxyl end group (CEG) content of 15 mg KOH/g or less, a ratio (Mz/Mn) of a z-average molecular weight (Mz) to a number average molecular weight (Mn) of 3 to 15, and a melt index (MI) of 5 g/10 min or less as measured under conditions of a temperature of 190° C. and a load of 2.16 kg in accordance with ASTM D 1238. A method of preparing a biodegradable aliphatic-aromatic polyester copolymer is provided, including adding a chain extender and an anti-hydrolysis agent to an aliphatic-aromatic polyester pre-copolymer over time, whereby a significant viscosity rise and improvement of hydrolysis resistance may be implemented simultaneously.Type: ApplicationFiled: August 11, 2023Publication date: May 30, 2024Inventors: Do Young Kim, Hyun Sik Yang, Yu Hyun Kim, Ki Yup Kim, Joo Hyun Nam, Chul Soon Moon, Ji Hae Park, Sung Won Lee, Jun Haeng Lee, Ho Seung Lee
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Patent number: 11987667Abstract: Provided are a biodegradable aliphatic-aromatic polyester copolymer having excellent hydrolysis resistance and high viscosity which has a carboxyl end group (CEG) content of 15 mg KOH/g or less, a ratio (Mz/Mn) of a z-average molecular weight (Mz) to a number average molecular weight (Mn) of 3 to 15, and a melt index (MI) of 5 g/10 min or less as measured under conditions of a temperature of 190° C. and a load of 2.16 kg in accordance with ASTM D 1238. A method of preparing a biodegradable aliphatic-aromatic polyester copolymer is provided, including adding a chain extender and an anti-hydrolysis agent to an aliphatic-aromatic polyester pre-copolymer over time, whereby a significant viscosity rise and improvement of hydrolysis resistance may be implemented simultaneously.Type: GrantFiled: August 11, 2023Date of Patent: May 21, 2024Assignees: SK Innovation Co., Ltd., SK Geo Centric Co., Ltd.Inventors: Do Young Kim, Hyun Sik Yang, Yu Hyun Kim, Ki Yup Kim, Joo Hyun Nam, Chul Soon Moon, Ji Hae Park, Sung Won Lee, Jun Haeng Lee, Ho Seung Lee
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Publication number: 20240143097Abstract: A display device includes a display panel including a first non-folding area, a second non-folding area, and a folding area that are arranged along a first direction, the folding area being foldable along a folding line extending along a second direction intersecting the first direction, a panel lower member disposed below the display panel, and a digitizer disposed below the panel lower member and including a base layer and sensing coils. The base layer includes a folding portion including holes overlapping the folding area of the display panel and first and second non-folding portions disposed along the first direction. The folding portion is disposed between the first and second non-folding portions. The sensing coils are disposed on the base layer, and the base layer includes a matrix including a filler and an elastomer and weaving-shaped fiber lines disposed inside the matrix and alternately arranged with each other.Type: ApplicationFiled: August 2, 2023Publication date: May 2, 2024Applicant: Samsung Display Co., LTD.Inventors: Hirotsugu KISHIMOTO, Yong Kwan KIM, Hyun Jae NA, Seok Won JANG, Sung Guk AN, Chul Ho JEONG
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Patent number: 11970770Abstract: Disclosed is a substrate processing apparatus and the method of processing an exhaust gas. The substrate processing apparatus and the method of processing an exhaust gas according to the present invention, an exhaust gas decomposition module may decompose a source gas exhausted from a process chamber to decompose a ligand of the source gas. Also, the ligand and the source gas of which the ligand has been decomposed may be put in a stabilized state by reacting with separately supplied O2, N2O, or O3, and then, may be changed to a mixed gas including a reactant gas mixed therewith. Subsequently, the mixed gas may flow into the exhaust pump and may be emitted. Alternatively, the ligand and the source gas may be mixed with the reactant gas and may be emitted.Type: GrantFiled: March 30, 2022Date of Patent: April 30, 2024Assignee: JUSUNG ENGINEERING CO., LTD.Inventors: Dong Won Seo, Heon Do Kim, Chul-Joo Hwang
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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: 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: 20240099085Abstract: A display device includes a pixel. The pixel is electrically connected to a first power line, a second power line, and a data line. The pixel includes a first transistor, and a capacitor electrically connected between a gate electrode of the first transistor and an electrode of the first transistor. In a plan view, the data line extends in a second direction. The first power line extends in a first direction intersecting the second direction and overlaps the data line and the gate electrode of the first transistor. The second power line extends in the second direction, overlaps the data line, and overlaps the gate electrode of the first transistor.Type: ApplicationFiled: August 8, 2023Publication date: March 21, 2024Applicant: Samsung Display Co., LTD.Inventors: Sung Chan HWANG, Dong Hyun KIM, Chul Kyu KANG, Hey Jin SHIN, Seo Won CHOE, Chae Han HYUN
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Publication number: 20230175632Abstract: Herein is a coupler and a clean connection device having the same, which can automate a series of operations for connecting and disconnecting a male coupler to and from a female coupler, clean and dry a wetted portion, drain residual liquid of chemicals together with cleaning water without external leakage in safety when the coupler is separated, and clean and dry the wetted surface before connection and after separation, thereby enabling a clean connection.Type: ApplicationFiled: November 16, 2022Publication date: June 8, 2023Inventor: Chul Won KIM
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Patent number: 11485460Abstract: A barge for recovery of a rocket launch vehicle is proposed, which can recover a launch vehicle from the sea onto the land in safety during launch vehicle recovering work. The barge can recover the launch vehicle in safety by effectively preventing a slope of the structure which supports the launch vehicle.Type: GrantFiled: June 16, 2020Date of Patent: November 1, 2022Inventor: Chul Won Kim
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Publication number: 20220307635Abstract: An apparatus and method for automatic clean connection that is capable of automatically performing the connection and separation of a male coupler to and from a female coupler and cleaning and drying liquid contact parts of the male coupler and the female coupler. According to the present invention, the apparatus for automatic clean connection, which loads or unloads chemicals from one side tank into the other side tank, the apparatus including: a main body having a female coupler connected to the other side tank; a coupler connection module for moving a male coupler connected to one side tank in a direction of a y-axis to allow the male coupler to be fastened to or separated from the female coupler; and a coupler cleaning module for cleaning or drying liquid contact parts of the male coupler and the female coupler.Type: ApplicationFiled: March 30, 2021Publication date: September 29, 2022Inventor: Chul Won KIM
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Publication number: 20220281731Abstract: Provided are an automatic sampling device and method and, more specifically, are an automatic sampling device and method which automatically remove a lid when collecting a sample in order to analyze the state of a chemical solution (medicinal fluid) and which automatically reverse a sample collection container so that the container can be used after being washed with ultrapure water, and thus the device prevents medicinal fluid contamination caused by the sample collection container, lid, adjacent objects in contact therewith, or space during sampling, without being affected by outside conditions during the sampling, prevents safety accidents such as errors or risk caused by manual work, and is improved so as to increase the reliability of sampling.Type: ApplicationFiled: August 28, 2020Publication date: September 8, 2022Inventor: Chul Won KIM
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Publication number: 20200398949Abstract: A barge for recovery of a rocket launch vehicle is proposed, which can recover a launch vehicle from the sea onto the land in safety during launch vehicle recovering work. The barge can recover the launch vehicle in safety by effectively preventing a slope of the structure which supports the launch vehicle.Type: ApplicationFiled: June 16, 2020Publication date: December 24, 2020Inventor: Chul Won KIM
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Publication number: 20020152816Abstract: Disclosed herein is an apparatus for filling gauge and sensor protectors with pressure transmitting fluid, diaphragm housing used therefor and method using such an apparatus. The apparatus includes tubing. A connector is connected to the inner end of the first side of the tubing. A syringe is filled with filling fluid and connected to the outer end of a first branch of the second side of the tubing. A vacuum pump is connected to the outer end of the second branch of the second side of the tubing. A fluid trap container is situated at a position of the tubing between both ends of the second branch of the second side of the tubing.Type: ApplicationFiled: March 4, 2002Publication date: October 24, 2002Inventor: Chul-Won Kim
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Publication number: 20010052701Abstract: A union joint structure, used for jointing a fluid feeding pipe to a target device, such as a fluid feeding tank, a fluid control valve, or a flow meter, is disclosed. This joint structure has a simple construction, and prevents leakage of fluid from the junction, and reduces the consumption of material. This joint structure also reduces its production cost, in addition to preferably reducing the space occupied by the joint structure. The joint structure has an enlarged-diameter end formed at an end of the pipe, an internal sleeve movably inserted into the enlarged-diameter end of the pipe, and a hollow locking bolt movably fitted over the pipe at a position around the enlarged-diameter end. The locking bolt has a head and external threads, and is stepped on its internal surface at a position around the junction of the head and the internal threads, thus having an annular step.Type: ApplicationFiled: June 14, 2001Publication date: December 20, 2001Inventor: Chul-Won Kim