Patents by Inventor Won Cheul JU
Won Cheul JU 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: 9914289Abstract: A system for laminating an optical film according to an exemplary embodiment of the present disclosure includes a panel transfer unit to transfer a panel, a first laminating unit to laminate an optical film full-cut into a predetermined length on a first surface of the panel along a first direction parallel to a transfer direction of the panel, and a second laminating unit to laminate an optical film full-cut into a predetermined length on a second surface of the panel along a second direction equal or opposite to the first direction, the second laminating unit rotating the optical film supplied in a full-cut state along the second direction in a horizontal direction and laminating the optical film.Type: GrantFiled: November 10, 2014Date of Patent: March 13, 2018Assignee: LG CHEM, LTD.Inventors: Kyoung-Sik Kim, Eung-Jin Jang, Suk-Jae Lee, Kyoung-Ho Cho, Cheon-Ho Park, Won-Cheul Ju, Beom-Seok Lee, Jea-Han Ryoo
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Patent number: 9694571Abstract: A system for laminating an optical film according to an exemplary embodiment of the present disclosure includes a panel transfer unit to transfer a panel, a first laminating unit installed on a transfer line of the panel to laminate an optical film on a first surface of the panel along a first direction parallel to a transfer direction of the panel, and a second laminating unit installed on the transfer line of the panel to laminate an optical film on a second surface of the panel along a direction perpendicular to the first direction.Type: GrantFiled: November 10, 2014Date of Patent: July 4, 2017Assignee: LG CHEM, LTD.Inventors: Kyoung-Sik Kim, Eung-Jin Jang, Suk-Jae Lee, Kyoung-Ho Cho, Cheon-Ho Park, Won-Cheul Ju, Beom-Seok Lee, Jea-Han Ryoo
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Patent number: 9682543Abstract: A system for laminating an optical film according to an exemplary embodiment of the present disclosure includes a panel transfer unit to transfer a panel, a first laminating unit installed on a transfer line of the panel to laminate an optical film on a first surface of the panel along a first direction parallel to a transfer direction of the panel, and a second laminating unit installed on the transfer line of the panel to laminate an optical film full-cut into a predetermined length on a second surface of the panel along a direction perpendicular to the first direction.Type: GrantFiled: November 10, 2014Date of Patent: June 20, 2017Assignee: LG CHEM, LTD.Inventors: Kyoung-Sik Kim, Eung-Jin Jang, Suk-Jae Lee, Kyoung-Ho Cho, Cheon-Ho Park, Won-Cheul Ju, Beom-Seok Lee, Jea-Han Ryoo
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Patent number: 9498943Abstract: A system for laminating an optical film according to an exemplary embodiment of the present disclosure includes a panel transfer unit to transfer a panel, a first laminating unit installed on a transfer line of the panel to laminate an optical film on a first surface of the panel along a first direction parallel to a transfer direction of the panel, and a second laminating unit installed on the transfer line of the panel to laminate an optical film on a second surface of the panel, wherein the second laminating unit includes a laminating drum to laminate an optical film after adsorbing and rotating the optical film in a horizontal direction.Type: GrantFiled: November 10, 2014Date of Patent: November 22, 2016Assignee: LG Chem, Ltd.Inventors: Kyoung-Sik Kim, Eung-Jin Jang, Suk-Jae Lee, Kyoung-Ho Cho, Cheon-Ho Park, Won-Cheul Ju, Beom-Seok Lee, Jea-Han Ryoo
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Patent number: 9140979Abstract: A light irradiation apparatus and a method of manufacture a photo-aligning layer are disclosed. A mask included in a light irradiation apparatus according to one embodiment is configured to irradiate the light having straightness at a high level of illumination to a subject that is apart from the mask with a certain distance. A photo-aligning layer with a desired alignment pattern can be fabricated using the mask.Type: GrantFiled: January 23, 2012Date of Patent: September 22, 2015Assignee: LG CHEM, LTD.Inventors: Sin Young Kim, Kyung Ki Hong, Hyuk Yoon, Won Cheul Ju, Yong Il Cho, Moon Soo Park, Dong Ho Ko, Su Young Ryu
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Publication number: 20150190996Abstract: A system for laminating an optical film according to an exemplary embodiment of the present disclosure includes a panel transfer unit to transfer a panel, a first laminating unit installed on a transfer line of the panel to laminate an optical film on a first surface of the panel along a first direction parallel to a transfer direction of the panel, and a second laminating unit installed on the transfer line of the panel to laminate an optical film on a second surface of the panel, wherein the second laminating unit includes a laminating drum to laminate an optical film after adsorbing and rotating the optical film in a horizontal direction.Type: ApplicationFiled: November 10, 2014Publication date: July 9, 2015Inventors: Kyoung-Sik KIM, Eung-Jin JANG, Suk-Jae LEE, Kyoung-Ho CHO, Cheon-Ho PARK, Won-Cheul JU, Beom-Seok LEE, Jea-Han RYOO
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Publication number: 20150190998Abstract: A system for laminating an optical film according to an exemplary embodiment of the present disclosure includes a panel transfer unit to transfer a panel, a first laminating unit installed on a transfer line of the panel to laminate an optical film on a first surface of the panel along a first direction parallel to a transfer direction of the panel, and a second laminating unit installed on the transfer line of the panel to laminate an optical film full-cut into a predetermined length on a second surface of the panel along a direction perpendicular to the first direction.Type: ApplicationFiled: November 10, 2014Publication date: July 9, 2015Inventors: Kyoung-Sik KIM, Eung-Jin JANG, Suk-Jae LEE, Kyoung-Ho CHO, Cheon-Ho PARK, Won-Cheul JU, Beom-Seok LEE, Jea-Han RYOO
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Publication number: 20150190997Abstract: A system for laminating an optical film according to an exemplary embodiment of the present disclosure includes a panel transfer unit to transfer a panel, a first laminating unit installed on a transfer line of the panel to laminate an optical film on a first surface of the panel along a first direction parallel to a transfer direction of the panel, and a second laminating unit installed on the transfer line of the panel to laminate an optical film on a second surface of the panel along a direction perpendicular to the first direction.Type: ApplicationFiled: November 10, 2014Publication date: July 9, 2015Inventors: Kyoung-Sik KIM, Eung-Jin JANG, Suk-Jae LEE, Kyoung-Ho CHO, Cheon-Ho PARK, Won-Cheul JU, Beom-Seok LEE, Jea-Han RYOO
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Publication number: 20150190995Abstract: A system for laminating an optical film according to an exemplary embodiment of the present disclosure includes a panel transfer unit to transfer a panel, a first laminating unit to laminate an optical film full-cut into a predetermined length on a first surface of the panel along a first direction parallel to a transfer direction of the panel, and a second laminating unit to laminate an optical film full-cut into a predetermined length on a second surface of the panel along a second direction equal or opposite to the first direction, the second laminating unit rotating the optical film supplied in a full-cut state along the second direction in a horizontal direction and laminating the optical film.Type: ApplicationFiled: November 10, 2014Publication date: July 9, 2015Inventors: Kyoung-Sik KIM, Eung-Jin JANG, Suk-Jae LEE, Kyoung-Ho CHO, Cheon-Ho PARK, Won-Cheul JU, Beom-Seok LEE, Jea-Han RYOO
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Patent number: 9069257Abstract: A mask and an optical filter manufacturing apparatus having the same are provided. The optical filter manufacturing apparatus includes a roll used in a roll-to-roll process, a base film wound around the roll, a light source that generates light for exposure, a polarizing plate that is installed at an emission side of the light source and polarizes light generated from the light source, and a mask that causes a pattern to be formed on the base film and includes a plurality of guide slits that are opened to have a predetermined thickness and a predetermined width. According to the present invention, the entire surface of the base film can be irradiated with a uniform light quantity. Thus, a pattern can be uniformly formed on the base film, the quality of a product can be improved, and the characteristics of the base film can be accurately realized.Type: GrantFiled: July 26, 2011Date of Patent: June 30, 2015Assignee: LG CHEM, LTD.Inventors: Sin Young Kim, Kyung Ki Hong, Hyuk Yoon, Won Cheul Ju, Yong Il Cho, Moon Soo Park, Dong Ho Ko, Su Young Ryu
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Patent number: 9041993Abstract: A light irradiation apparatus and a method of manufacture a photo-aligning layer are disclosed. A mask included in a light irradiation apparatus according to one embodiment is configured to irradiate the light having straightness at a high level of illumination to a subject that is apart from the mask with a certain distance. A photo-aligning layer with a desired alignment pattern can be fabricated using the mask.Type: GrantFiled: December 22, 2011Date of Patent: May 26, 2015Assignee: LG CHEM, LTD.Inventors: Sin Young Kim, Kyung Ki Hong, Hyuk Yoon, Won Cheul Ju, Yong Il Cho, Moon Soo Park, Dong Ho Ko, Su Young Ryu
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Publication number: 20130143007Abstract: A light irradiation apparatus and a method of manufacture a photo-aligning layer are disclosed. A mask included in a light irradiation apparatus according to one embodiment is configured to irradiate the light having straightness at a high level of illumination to a subject that is apart from the mask with a certain distance. A photo-aligning layer with a desired alignment pattern can be fabricated using the mask.Type: ApplicationFiled: January 23, 2012Publication date: June 6, 2013Applicant: LG CHEM, LTD.Inventors: Sin Young KIM, Kyung Ki Hong, Hyuk Yoon, Won Cheul Ju, Yong II Cho, Moon Soo Park, Dong Ho Ko, Su Young Ryu
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Publication number: 20130114055Abstract: A mask and an optical filter manufacturing apparatus having the same are provided. The optical filter manufacturing apparatus includes a roll used in a roll-to-roll process, a base film wound around the roll, a light source that generates light for exposure, a polarizing plate that is installed at an emission side of the light source and polarizes light generated from the light source, and a mask that causes a pattern to be formed on the base film and includes a plurality of guide slits that are opened to have a predetermined thickness and a predetermined width. According to the present invention, the entire surface of the base film can be irradiated with a uniform light quantity. Thus, a pattern can be uniformly formed on the base film, the quality of a product can be improved, and the characteristics of the base film can be accurately realized.Type: ApplicationFiled: July 26, 2011Publication date: May 9, 2013Applicant: LG CHEM LTDInventors: Sin Young Kim, Kyung Ki Hong, Hyuk Yoon, Won Cheul Ju, Yong II Cho, Moon Soo Park, Dong Ho Ko, Su Young Ryu
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Publication number: 20120092742Abstract: A light irradiation apparatus and a method of manufacture a photo-aligning layer are disclosed. A mask included in a light irradiation apparatus according to one embodiment is configured to irradiate the light having straightness at a high level of illumination to a subject that is apart from the mask with a certain distance. A photo-aligning layer with a desired alignment pattern can be fabricated using the mask.Type: ApplicationFiled: December 22, 2011Publication date: April 19, 2012Inventors: Sin Young KIM, Kyung Ki HONG, Hyuk YOON, Won Cheul JU, Yong Il CHO, Moon Soo PARK, Dong Ho KO, Su Young RYU