Patents by Inventor Kyoung-Hoon Min
Kyoung-Hoon Min 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: 9943887Abstract: A fluid supplying apparatus includes an inner tube having a plurality of holes for distributing a fluid supplied from a supply unit, and an outer tube arranged coaxially or non-coaxially with the inner tube to surround the inner tube and having a plurality of slots for injecting the fluid distributed therein from the holes to the outside. The outer tube substantially has the same length as the inner tube. The fluid supplying apparatus may be used for a thin film cleaning system or method.Type: GrantFiled: February 15, 2013Date of Patent: April 17, 2018Assignee: LG CHEM, LTD.Inventors: Young Ju Seo, Chae-Ho Chung, Do-Ki Chang, Ki-Kyo Yeom, Ye-Hoon Im, Jae-Min Kim, Kyoung-Hoon Min, Won-Chan Park
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Patent number: 9862631Abstract: The present disclosure provides an apparatus for eliminating a heterogeneous glass present in the top surface of a molten glass effectively, and a melting furnace and a glass manufacturing apparatus comprising the same. The apparatus for eliminating a heterogeneous glass according to one aspect of the present disclosure comprises a storage bath having an inlet and an outlet to receive a molten glass fed into the inlet and to discharge the received molten glass through the outlet, and an evacuating opening formed on the top of the storage bath, the evacuating opening allowing the received molten glass to overflow; a first gate being mounted close to the outlet of the storage bath to adjust an open area, thereby controlling the flow rate of the molten glass to be discharged through the outlet; and a second gate being mounted close to the inlet of the storage bath to control the height of the molten glass received in the storage bath at the section in which the evacuating opening is formed.Type: GrantFiled: September 3, 2014Date of Patent: January 9, 2018Assignee: LG CHEM, LTD.Inventors: Kyoung-Hoon Min, Ye-Hoon Im, Won-Jae Moon, Ji-Seob Lee
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Patent number: 9724654Abstract: An agitating bar and an agitator including the same are provided. The agitating bar includes a barrier unit in addition to a rotating shaft, and an impeller unit. Therefore, the agitating bar can be useful in preventing the stream of a fluid which flows rapidly toward a fluid outlet port in a state in which the fluid is not mixed uniformly around the rotating shaft, thereby enhancing agitation efficiency and a degree of homogenization for the mixed fluid.Type: GrantFiled: July 2, 2014Date of Patent: August 8, 2017Assignee: LG CHEM, LTD.Inventors: Dae Hun Kim, Kyoung Hoon Min, Ye Hoon Im
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Patent number: 9718719Abstract: Disclosed is a float bath which allows easy temperature control according to an internal position, and a glass manufacturing apparatus and glass manufacturing method including the float bath. The float bath includes a plurality of heaters provided at an upper portion of the float bath to supply heat into the float bath, and a shield provided between predetermined heaters among the plurality of heaters to block heat transfer therebetween.Type: GrantFiled: February 25, 2014Date of Patent: August 1, 2017Assignee: LG CHEM, LTD.Inventors: Kyoung-Hoon Min, Ye-Hoon Im, Su-Chan Park, Sang-Oeb Na, Won-Jae Moon
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Patent number: 9598302Abstract: The present disclosure discloses a float bath that may enhance spreadability of a poured glass melt when pouring the glass melt, an apparatus for manufacturing a float glass comprising the same, a method for manufacturing a float glass using the float bath, and a float glass produced by the method. The float bath according to the present disclosure receives a metal melt and allows a glass melt poured onto the metal melt to float and move from upstream to downstream, and includes a guiding unit provided at a part where the glass melt is poured, to come into contact with the side of the poured glass melt to guide a sidewise spreading path of the glass melt to expand sidewise spreading of the glass melt.Type: GrantFiled: September 8, 2014Date of Patent: March 21, 2017Assignee: LG CHEM, LTD.Inventors: Kyoung-Hoon Min, Ye-Hoon Im, Su-Chan Park
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Publication number: 20160023937Abstract: The present disclosure provides an apparatus for eliminating a heterogeneous glass present in the top surface of a molten glass effectively, and a melting furnace and a glass manufacturing apparatus comprising the same. The apparatus for eliminating a heterogeneous glass according to one aspect of the present disclosure comprises a storage bath having an inlet and an outlet to receive a molten glass fed into the inlet and to discharge the received molten glass through the outlet, and an evacuating opening formed on the top of the storage bath, the evacuating opening allowing the received molten glass to overflow; a first gate being mounted close to the outlet of the storage bath to adjust an open area, thereby controlling the flow rate of the molten glass to be discharged through the outlet; and a second gate being mounted close to the inlet of the storage bath to control the height of the molten glass received in the storage bath at the section in which the evacuating opening is formed.Type: ApplicationFiled: September 3, 2014Publication date: January 28, 2016Inventors: Kyoung-Hoon MIN, Ye-Hoon IM, Won-Jae MOON, Ji-Seob LEE
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Patent number: 9145327Abstract: A method for forming a lubricant layer on the surface of a glass and a method for manufacturing a glass using the same prevents scratches from occurring at the surface of a glass and decreases corrosion of glass manufacturing equipment. The method for manufacturing a glass includes forming a glass, supplying SO2 gas and a SO2 gas oxidation catalyst to the glass under an oxidation environment to form a lubricant layer at the lower surface of the glass, and annealing the glass.Type: GrantFiled: May 21, 2013Date of Patent: September 29, 2015Assignee: LG CHEM, LTD.Inventors: Han-Kook Kim, Jung-Sik Bang, Duk-Sik Ha, Kyoung-Hoon Min, Du-Sun Hwang
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Publication number: 20150023134Abstract: An agitating bar and an agitator including the same are provided. The agitating bar includes a barrier unit in addition to a rotating shaft, and an impeller unit. Therefore, the agitating bar can be useful in preventing the stream of a fluid which flows rapidly toward a fluid outlet port in a state in which the fluid is not mixed uniformly around the rotating shaft, thereby enhancing agitation efficiency and a degree of homogenization for the mixed fluid.Type: ApplicationFiled: July 2, 2014Publication date: January 22, 2015Inventors: Dae Hun KIM, Kyoung Hoon MIN, Ye Hoon IM
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Publication number: 20140378293Abstract: The present disclosure discloses a float bath that may enhance spreadability of a poured glass melt when pouring the glass melt, an apparatus for manufacturing a float glass comprising the same, a method for manufacturing a float glass using the float bath, and a float glass produced by the method. The float bath according to the present disclosure receives a metal melt and allows a glass melt poured onto the metal melt to float and move from upstream to downstream, and includes a guiding unit provided at a part where the glass melt is poured, to come into contact with the side of the poured glass melt to guide a sidewise spreading path of the glass melt to expand sidewise spreading of the glass melt.Type: ApplicationFiled: September 8, 2014Publication date: December 25, 2014Inventors: Kyoung-Hoon MIN, Ye-Hoon IM, Su-Chan PARK
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Patent number: 8888560Abstract: Disclosed is a substrate polishing method capable of minimizing a difference of polishing amounts between a center portion and a rim portion of a large scale plate during a plate polishing process.Type: GrantFiled: January 29, 2013Date of Patent: November 18, 2014Assignee: LG Chem, Ltd.Inventors: Kyoung-Hoon Min, Ye-Hoon Im, Dae-Yeon Lee, Jae-Ik Song, Su-Chan Park
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Publication number: 20140174130Abstract: Disclosed is a float bath which allows easy temperature control according to an internal position, and a glass manufacturing apparatus and glass manufacturing method including the float bath. The float bath includes a plurality of heaters provided at an upper portion of the float bath to supply heat into the float bath, and a shield provided between predetermined heaters among the plurality of heaters to block heat transfer therebetween.Type: ApplicationFiled: February 25, 2014Publication date: June 26, 2014Applicant: LG CHEM, LTD.Inventors: Kyoung-Hoon MIN, Ye-Hoon IM, Su-Chan PARK, Sang-Oeb NA, Won-Jae MOON
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Patent number: 8667704Abstract: Disclosed is an air knife chamber constructed such that water flowing down along a partition wall is allowed to fall in front of a slit. Due to this construction, the water can be effectively removed by air knives, thus contributing to a reduction in the defective proportion of substrates.Type: GrantFiled: January 7, 2013Date of Patent: March 11, 2014Assignee: LG Chem, Ltd.Inventors: Su-Chan Park, Ye-Hoon Im, Kyoung-Hoon Min
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Patent number: 8647178Abstract: A polishing pad of a polishing system is mountable to a polishing plate and has a predetermined channel pattern so as to allow a polishing liquid supplied from a polishing liquid supplier to move on a polishing surface. The channel pattern has at least two kinds of patterns.Type: GrantFiled: February 15, 2013Date of Patent: February 11, 2014Assignee: LG Chem, Ltd.Inventors: Kyoung-Hoon Min, Ye-Hoon Im, Dae-Yeon Lee, Jae-Ik Song, Su-Chan Park
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Publication number: 20130260153Abstract: A method for forming a lubricant layer on the surface of a glass and a method for manufacturing a glass using the same prevents scratches from occurring at the surface of a glass and decreases corrosion of glass manufacturing equipment. The method for manufacturing a glass includes forming a glass, supplying SO2 gas and a SO2 gas oxidation catalyst to the glass under an oxidation environment to form a lubricant layer at the lower surface of the glass, and annealing the glass.Type: ApplicationFiled: May 21, 2013Publication date: October 3, 2013Applicant: LG CHEM, LTD.Inventors: Han-Kook KIM, Jung-Sik BANG, Duk-Sik HA, Kyoung-Hoon MIN, Du-Sun HWANG
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Publication number: 20130247621Abstract: An apparatus for forming a lubricant layer on the surface of a glass prevents scratches from occurring at the surface of a glass and decrease corrosion of glass manufacturing equipment and may be included in an annealing furnace or a glass manufacturing apparatus. The apparatus includes a SO2 supply unit for supplying SO2 gas, a O2 supply unit for supplying O2 gas, and a catalyst retaining unit for retaining a SO2 gas oxidation catalyst, the catalyst retaining unit receiving SO2 gas and O2 gas from the SO2 supply unit and the O2 supply unit to generate SO3 gas and supplying the generated SO3 gas to a glass.Type: ApplicationFiled: May 22, 2013Publication date: September 26, 2013Applicant: LG CHEM, LTD.Inventors: Han-Kook Kim, Kyoung-Hoon Min, Jung-Sik Bang, Duk-Sik Ha, Du-Sun Hwang
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Patent number: 8409782Abstract: A photoresist composition is provided. The photoresist composition comprises two or more kinds of photoinitiators having different activation wavelengths whose difference is at least 20 nm. The photoresist composition has high sensitivity and forms a pattern whose thickness is easy to control depending on the exposure intensity through a slit or transflective mask. Further provided are a transparent thin film formed using the photoresist composition and a liquid crystal display device comprising the thin film.Type: GrantFiled: June 22, 2009Date of Patent: April 2, 2013Assignee: LG Chem, LtdInventors: Keon Woo Lee, Sung Hyun Kim, Sang Kyu Kwak, Dong Kung Oh, Chang Soon Lee, Chang Ho Cho, Kyoung Hoon Min
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Patent number: 8300184Abstract: A color filter substrate is provided. In the color filter substrate, transparent protective films are formed on respective sub-pixels of a color filter. The color filter substrate has improved electric field characteristics without the need for additional optical or circuit compensation to achieve an improvement in contrast and a reduction in color difference.Type: GrantFiled: November 5, 2008Date of Patent: October 30, 2012Assignee: LG Chem, Ltd.Inventors: Keon Woo Lee, Sang Kyu Kwak, Jong Hwi Hwang, Beom Su Park, Chang Ho Cho, Sung Hyun Kim, Seung Hee Lee, Bog Ki Hong, Dong Kung Oh, Chang Soon Lee, Kyoung Hoon Min
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Patent number: 8252507Abstract: A novel photoactive compound is provided. The photoactive compound has a structure represented by Formula 1: wherein R1, R2, R3, A, X, Y, n and m are as defined in the specification. The photoactive compound efficiently absorbs UV light. Accordingly, the photoactive compound has an improved ability to generate radicals and is efficiently photopolymerized with unsaturated bonds. Further provided is a photosensitive resin composition comprising the photoactive compound. The photosensitive resin composition has good sensitivity because it efficiently absorbs UV light. In addition, the photosensitive resin composition has excellent characteristics in terms of residual film ratio, mechanical strength and resistance to heat, chemicals and development. Therefore, the photosensitive resin composition is advantageously used in curing materials for column spacers, overcoats and passivation films of liquid crystal display devices.Type: GrantFiled: April 1, 2009Date of Patent: August 28, 2012Assignee: LG Chem, Ltd.Inventors: Chang Ho Cho, Sung Hyun Kim, Raisa Kharbash, Keon Woo Lee, Sang Kyu Kwak, Dong Kung Oh, Chang Soon Lee, Kyoung Hoon Min
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Patent number: 8198462Abstract: The present invention relates to a dendritic photoactive compound that comprises oxime ester and a method for producing the same. Since the compound according to the present invention comprises two or more oxime ester groups and chromophores in one molecule at the same time, the solubility in respects to the organic solvent and the efficiency for producing a radical by absorbing ultraviolet rays are excellent. In addition, it can act as an effective initiator in respects to the photopolymerization of the unsaturated group, in particular, the acryl compound.Type: GrantFiled: July 15, 2008Date of Patent: June 12, 2012Assignee: LG Chem, Ltd.Inventors: Keon-Woo Lee, Chang-Ho Cho, Kyoung-Hoon Min, Raisa Kharbash, Chang-Soon Lee, Sung-Hyun Kim
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Publication number: 20110287366Abstract: A photoresist composition is provided. The photoresist composition comprises two or more kinds of photoinitiators having different activation wavelengths whose difference is at least 20 nm. The photoresist composition has high sensitivity and forms a pattern whose thickness is easy to control depending on the exposure intensity through a slit or transflective mask. Further provided are a transparent thin film formed using the photoresist composition and a liquid crystal display device comprising the thin film.Type: ApplicationFiled: June 22, 2009Publication date: November 24, 2011Applicant: LG CHEM. LTD.Inventors: Keon Woo Lee, Sung Hyun Kim, Sang Kyu Kwak, Dong Kung Oh, Chang Soon Lee, Chang Ho Cho, Kyoung Hoon Min