Patents by Inventor Sun Hwa Jang
Sun Hwa Jang 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: 20240143448Abstract: Disclosed herein are a distributed cloud system, a data processing method of the distributed cloud system, a storage medium. The data processing method of the distributed cloud system includes running an application of an edge computing system requested by a user device, generating a snapshot image of the application, and storing the generated snapshot image and transmitting the stored image during migration.Type: ApplicationFiled: October 25, 2023Publication date: May 2, 2024Inventors: Dae-Won KIM, Sun-Wook KIM, Su-Min JANG, Jae-Geun CHA, Hyun-Hwa CHOI
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Patent number: 11942017Abstract: A display device includes a display panel including a data driver that converts input data into a data signal and supplies the data signal to an output line, a pixel unit including pixels that display an image based on the data signal, a demultiplexer including transistors electrically connected to the output line in the display panel, and transmitting the data signal from the output line to data lines electrically connected to the pixels, and a timing controller that supplies control signals to control a supply timing of the data signal. A number of the transistors are electrically connected in series, and others of the transistors are electrically connected in parallel.Type: GrantFiled: March 29, 2022Date of Patent: March 26, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jae Yong Jang, Bon Yong Koo, Sun Hwa Lee, Su Jin Lee
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Patent number: 11929034Abstract: A display device includes a first pixel. The first pixel includes a first light emitting unit electrically connected between a first power line and a second power line. A first driving transistor is electrically connected between the first power line and the first light emitting unit, and controls a current flowing into the first light emitting unit, based on a first data signal from a first data line to a gate electrode. A first initialization transistor is electrically connected between the gate electrode of the first driving transistor and a third power line. A first switching transistor is electrically connected between a first electrode of the first light emitting unit and a first sub-power line. The first light emitting unit includes light emitting elements. The first driving transistor includes a first semiconductor material, and the first initialization transistor includes a second semiconductor material different from the first semiconductor material.Type: GrantFiled: March 3, 2022Date of Patent: March 12, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Bon Yong Koo, Sun Hwa Lee, Su Jin Lee, Jae Yong Jang
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Patent number: 11923381Abstract: A display device may include a first conductive layer disposed on a substrate, and including an auxiliary bottom line and an additional conductive pattern; a first insulating layer disposed on the substrate and the first conductive layer; a semiconductor pattern disposed on the first insulating layer; a second insulating layer disposed on the first insulating layer and the semiconductor pattern; a second conductive layer disposed on the second insulating layer, and including a conductive pattern and a gate electrode; a third insulating layer disposed on the second insulating layer and the second conductive layer; a connection pattern disposed on the third insulating layer and electrically connected to the conductive pattern; a first electrode disposed on the connection pattern and electrically connected to the connection pattern; and at least one light emitting element disposed on the first electrode and electrically connected to the first electrode.Type: GrantFiled: September 15, 2022Date of Patent: March 5, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jae Yong Jang, Sun Hwa Lee, Bon Yong Koo, Su Jin Lee
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Patent number: 11916998Abstract: Disclosed herein is a multi-cloud edge system. The multi-cloud edge system includes a core cloud, a multi-cluster-based first edge node system, and a multi-cluster-based near edge node system, wherein the multi-cluster-based first edge node system includes multiple worker nodes, and a master node including a scheduler.Type: GrantFiled: November 11, 2022Date of Patent: February 27, 2024Assignee: Electronics and Telecommunications Research InstituteInventors: Dae-Won Kim, Su-Min Jang, Jae-Geun Cha, Hyun-Hwa Choi, Sun-Wook Kim
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Patent number: 11820931Abstract: The present disclosure relates to a liquid crystal polyester resin composition and an electronic component material comprising the same with low dust characteristics. Specifically, the present disclosure relates to a liquid crystal polyester resin composition for preventing dust generation comprising 65% by weight or more and 85% by weight or less of a liquid crystal polyester resin; more than 0.5% by weight and less than 10% by weight of a transition metal compound containing a Group 6 element of the periodic table; 2% by weight or more and 10% by weight or less of a barium compound; 2% by weight or more and 10% by weight or less of an organic filler; and 12% by weight or more and 30% by weight or less of a filler.Type: GrantFiled: July 6, 2021Date of Patent: November 21, 2023Assignee: SEYANG POLYMERInventors: Tae-Young Ha, Hyuk Jin Kim, Soo Min Park, Hong Sun Na, Sun Hwa Jang, Youn Eung Lee, Jin Kyu Lee
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Patent number: 11820860Abstract: The present disclosure relates to a liquid crystal polyester resin composition comprising a liquid crystal polyester resin with a low dielectric constant and a low dielectric loss containing a naphthoic acid monomer as a main skeleton and a hydroxybenzoic acid; a glass bubble having a pressure resistance of 12,000 psi or more; and an inorganic filler such as mica. The present disclosure provides a liquid crystal polyester resin composition suitable for 5G communication materials, which can achieve low dielectric loss characteristics, and at the same time, the addition of glass bubbles with excellent pressure resistance can achieve a low dielectric constant and a low dielectric loss through the maintenance of the hollow body of the glass bubbles even after melt extrusion.Type: GrantFiled: July 6, 2021Date of Patent: November 21, 2023Assignee: SEYANG POLYMERInventors: Hyuk Jin Kim, Tae-Young Ha, Sun Hwa Jang, Youn Eung Lee, Jin Kyu Lee
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Patent number: 11525192Abstract: The present invention relates to a method for manufacturing a wholly aromatic liquid-crystalline polyester fiber with enhanced spinnability, and more specifically, to a method for manufacturing a wholly aromatic liquid-crystalline polyester fiber including: pelletizing a resin manufactured by adding 1.08 equivalents to 1.12 equivalents of acetic anhydride to raw material monomers including hydroxy benzoic acid, hydroxy naphthoic acid, biphenol, terephthalic acid, and isophthalic acid, followed by solid-phase polycondensation, and melt-spinning under oil conditions in which winding-up improving oil is diluted to 0.5% to 2% and silicone spinning oil for high temperature is diluted to 0.5% to 2%, respectively, with water as a solvent.Type: GrantFiled: November 18, 2019Date of Patent: December 13, 2022Assignee: SEYANG POLYMERInventors: Sun Hwa Jang, Tae-Young Ha, Sung-Eun Kim, Youn Eung Lee
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Publication number: 20220204852Abstract: The present disclosure relates to a liquid crystal polyester resin composition and an electronic component material comprising the same with low dust characteristics. Specifically, the present disclosure relates to a liquid crystal polyester resin composition for preventing dust generation comprising 65% by weight or more and 85% by weight or less of a liquid crystal polyester resin; more than 0.5% by weight and less than 10% by weight of a transition metal compound containing a Group 6 element of the periodic table; 2% by weight or more and 10% by weight or less of a barium compound; 2% by weight or more and 10% by weight or less of an organic filler; and 12% by weight or more and 30% by weight or less of a filler.Type: ApplicationFiled: July 6, 2021Publication date: June 30, 2022Inventors: Tae-Young HA, Hyuk Jin KIM, Soo Min PARK, Hong Sun NA, Sun Hwa JANG, Youn Eung LEE, Jin Kyu LEE
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Publication number: 20220204689Abstract: The present disclosure relates to a liquid crystal polyester resin composition comprising a liquid crystal polyester resin with a low dielectric constant and a low dielectric loss containing a naphthoic acid monomer as a main skeleton and a hydroxybenzoic acid; a glass bubble having a pressure resistance of 12,000 psi or more; and an inorganic filler such as mica. The present disclosure provides a liquid crystal polyester resin composition suitable for 5G communication materials, which can achieve low dielectric loss characteristics, and at the same time, the addition of glass bubbles with excellent pressure resistance can achieve a low dielectric constant and a low dielectric loss through the maintenance of the hollow body of the glass bubbles even after melt extrusion.Type: ApplicationFiled: July 6, 2021Publication date: June 30, 2022Inventors: Hyuk Jin KIM, Tae-Young HA, Sun Hwa JANG, Youn Eung LEE, Jin Kyu LEE
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LIQUID CRYSTAL POLYESTER RESIN COMPOSITION FOR ULTRA-THIN INJECTION AND MANUFACTURING METHOD THEREOF
Publication number: 20220169783Abstract: The present disclosure relates to a liquid crystal polyester composition that can be injection molded into an ultra-thin film and has improved fluidity, and a manufacturing method thereof. The polyester resin composition for ultra-thin injection molding includes 60 to 85% by weight of a liquid crystal polyester resin and 15 to 40% by weight of an inorganic filler having an average cross-sectional aspect ratio of 2 to 6, based on the total weight of the composition, wherein the liquid crystal polyester resin includes 0.1 to 10 mol % of hydroxybenzoic acid (HBA), 40 to 60 mol % of hydroxynaphthoic acid, 20 to 30 mol % of biphenol, and 20 to 30 mol % of terephthalic acid. The liquid crystal polyester resin composition for ultra-thin injection molding according to the present disclosure not only has excellent mechanical strength and heat resistance, but also can exhibit very excellent fluidity in a high-speed injection process.Type: ApplicationFiled: July 6, 2021Publication date: June 2, 2022Inventors: Tae-Young HA, Sun Hwa JANG, Sung Eun KIM, Youn Eung LEE, Jin Kyu LEE -
Publication number: 20200370205Abstract: The present invention relates to a method for manufacturing a wholly aromatic liquid-crystalline polyester fiber with enhanced spinnability, and more specifically, to a method for manufacturing a wholly aromatic liquid-crystalline polyester fiber including: pelletizing a resin manufactured by adding 1.08 equivalents to 1.12 equivalents of acetic anhydride to raw material monomers including hydroxy benzoic acid, hydroxy naphthoic acid, biphenol, terephthalic acid, and isophthalic acid, followed by solid-phase polycondensation, and melt-spinning under oil conditions in which winding-up improving oil is diluted to 0.5% to 2% and silicone spinning oil for high temperature is diluted to 0.5% to 2%, respectively, with water as a solvent.Type: ApplicationFiled: November 18, 2019Publication date: November 26, 2020Inventors: Sun Hwa JANG, Tae-Young HA, Sung-Eun KIM, Youn Eung LEE
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Publication number: 20090212451Abstract: The invention relates to a method of preparing wholly aromatic polyester including: mixing monomers, introducing the mixed monomers into a reactor having a rectangular or trapezoidal plate type stirring impeller, and polymerizing the introduced monomers through esterification with a power per unit volume of 10˜60 kW/m3, a length (L) to diameter (D) ratio of the stirring impeller is 1˜3:1, and a distance between the bottom of the reactor and a lower portion of the stirring impeller is 1/100˜ 1/15 times of the diameter (D); b) pulverizing the obtained polymer; and c) solid state polymerizing the pulverized polymer.Type: ApplicationFiled: November 1, 2006Publication date: August 27, 2009Applicant: SAMSUNG FINE CHEMICALS CO., LTD.Inventors: Mahn Jong Kim, Jong Hwa Yun, Youn Eung Lee, Tae Jun Ok, Sun Hwa Jang, Hyun Min Kim