Patents by Inventor Eun Mi Seo
Eun Mi Seo 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: 11963394Abstract: A display device includes: a substrate; a display element layer disposed on the substrate, where the display element layer includes a light emitting element which emits light; a polarizing film disposed on the display element layer, where the polarizing film includes a first polarizer having a first absorption axis extending to a first direction and a first transmission axis extending to a second direction orthogonal to the first direction; and a first layer disposed on one surface of the polarizing film, where the first layer has a first phase difference. Light emitted from the display element layer has a polarizing axis, and an angle between the polarizing axis and one of the first absorption axis and the first transmission axis is in a range of about 25 degrees to about 65 degrees.Type: GrantFiled: September 18, 2023Date of Patent: April 16, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hee Young Lee, Eun Mi Seo, Gil Yeong Park, Min Ju Oh
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Publication number: 20240067849Abstract: A display device includes a display panel including a first surface and a second surface opposite to the first surface, a polarizing member disposed on the first surface of the display panel, a window member disposed on the polarizing member, and a first adhesive member disposed between the window member and the polarizing member and including an ultraviolet light absorber. A side surface of the display panel, a side surface of the polarizing member, and a side surface of the first adhesive member have a first surface roughness, an upper surface of the first adhesive member has a second surface roughness less than the first surface roughness, and the side surface of the display panel, the side surface of the polarizing member, and the side surface of the first adhesive member are aligned at a boundary.Type: ApplicationFiled: May 16, 2023Publication date: February 29, 2024Applicant: Samsung Display Co., LTD.Inventors: Min Kyoung JUNG, Ji Hoon KIM, Eun Mi SEO, Sung Guk AN
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Publication number: 20240008305Abstract: A display device includes: a substrate; a display element layer disposed on the substrate, where the display element layer includes a light emitting element which emits light; a polarizing film disposed on the display element layer, where the polarizing film includes a first polarizer having a first absorption axis extending to a first direction and a first transmission axis extending to a second direction orthogonal to the first direction; and a first layer disposed on one surface of the polarizing film, where the first layer has a first phase difference. Light emitted from the display element layer has a polarizing axis, and an angle between the polarizing axis and one of the first absorption axis and the first transmission axis is in a range of about 25 degrees to about 65 degrees.Type: ApplicationFiled: September 18, 2023Publication date: January 4, 2024Inventors: Hee Young LEE, Eun Mi SEO, Gil Yeong PARK, Min Ju OH
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Patent number: 11812637Abstract: A display device includes: a substrate; a display element layer disposed on the substrate, where the display element layer includes a light emitting element which emits light; a polarizing film disposed on the display element layer, where the polarizing film includes a first polarizer having a first absorption axis extending to a first direction and a first transmission axis extending to a second direction orthogonal to the first direction; and a first layer disposed on one surface of the polarizing film, where the first layer has a first phase difference. Light emitted from the display element layer has a polarizing axis, and an angle between the polarizing axis and one of the first absorption axis and the first transmission axis is in a range of about 25 degrees to about 65 degrees.Type: GrantFiled: April 12, 2021Date of Patent: November 7, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hee Young Lee, Eun Mi Seo, Gil Yeong Park, Min Ju Oh
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Patent number: 11300720Abstract: An optical film may include: a phase retardation layer; a polarizer disposed on the phase retardation layer and including a first part defined by a pair of sides extending in a first direction and a pair of sides extending in a second direction and a second part protruding from the first part; and a protective film protecting the polarizer. Here, one short side of the second part of the polarizer adjacent the first part may include a curved part. The polarizer may include an absorption axis in a direction parallel to a tangent line of a part having the most curvature at the curved part.Type: GrantFiled: December 14, 2017Date of Patent: April 12, 2022Assignee: Samsung Display Co., Ltd.Inventors: Hee Young Lee, Eun Mi Seo
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Publication number: 20220077429Abstract: A display device includes: a substrate; a display element layer disposed on the substrate, where the display element layer includes a light emitting element which emits light; a polarizing film disposed on the display element layer, where the polarizing film includes a first polarizer having a first absorption axis extending to a first direction and a first transmission axis extending to a second direction orthogonal to the first direction; and a first layer disposed on one surface of the polarizing film, where the first layer has a first phase difference. Light emitted from the display element layer has a polarizing axis, and an angle between the polarizing axis and one of the first absorption axis and the first transmission axis is in a range of about 25 degrees to about 65 degrees.Type: ApplicationFiled: April 12, 2021Publication date: March 10, 2022Inventors: Hee Young LEE, Eun Mi SEO, Gil Yeong PARK, Min Ju OH
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Patent number: 10353125Abstract: The present disclosure relates to a polarizing plate including an adhesive layer, a primer layer and a polyethylene terephthalate film which are sequentially formed on at least one side of a polarizer, wherein the adhesive layer in the present disclosure is formed by an active energy ray-curable adhesive including a first epoxy compound of which a homopolymer has a glass transition temperature of 120° C. or higher, a second epoxy compound of which a homopolymer has a glass transition temperature of 60° C. or lower, and a cationic photopolymerization initiator, and wherein the primer layer is formed by a primer composition including one or more binder resins selected from the group consisting of polyester and polyvinyl alcohol-based resins, and one or more cross-linking agents selected from the group consisting of acrylic cross-linking agents, epoxy-based cross-linking agents and polyvinyl alcohol-based cross-linking agents.Type: GrantFiled: June 18, 2014Date of Patent: July 16, 2019Assignee: LG Chem, Ltd.Inventors: Sung-Hyun Nam, Eun-Mi Seo, Seung-Hee Nam, Dae-Woong Lee, Kyun-Il Rah
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Publication number: 20180299603Abstract: An optical film may include: a phase retardation layer; a polarizer disposed on the phase retardation layer and including a first part defined by a pair of sides extending in a first direction and a pair of sides extending in a second direction and a second part protruding from the first part; and a protective film protecting the polarizer. Here, one short side of the second part of the polarizer adjacent the first part may include a curved part. The polarizer may include an absorption axis in a direction parallel to a tangent line of a part having the most curvature at the curved part.Type: ApplicationFiled: December 14, 2017Publication date: October 18, 2018Inventors: Hee Young LEE, Eun Mi Seo
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Patent number: 9766383Abstract: A method of manufacturing a double-sided polarizing plate and a double-sided polarizing plate manufactured using the same are provided. The method of manufacturing a double-sided polarizing plate includes attaching transparent films to both surfaces of a polarizer by means of adhesive layers, irradiating the adhesive layers with active energy rays emitted by an energy source disposed in a single direction with respect to the polarizer, and thermally treating a surface of the transparent film disposed opposite to the energy source at a temperature of 25° C. to 65° C.Type: GrantFiled: February 21, 2014Date of Patent: September 19, 2017Assignee: LG CHEM, LTD.Inventors: Eun-Soo Huh, Eun-Mi Seo, Kwang-Seung Park, Mi-Rin Lee, Yong-Il Cho
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Patent number: 9753200Abstract: An organic light emitting diode display including: a display panel; a first retarder on the display panel and including a first reactive liquid crystal; a second retarder on the first retarder and including a second reactive liquid crystal; and a polarizer on the second retarder, wherein a first optical axis of the first reactive liquid crystal is inclined by 2?+45° relative to an absorption axis of the polarizer, and a second optical axis of the second reactive liquid crystal is inclined by ? relative to the absorption axis of the polarizer.Type: GrantFiled: October 16, 2015Date of Patent: September 5, 2017Assignee: Samsung Display Co., Ltd.Inventors: Hee Young Lee, Yun Jang, Hyeon Jeong Sang, Eun Mi Seo, Suk Choi
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Patent number: 9726799Abstract: A method of manufacturing a double-sided polarizing plate and a double-cited polarizing plate manufactured using the same are disclosed. The method of manufacturing a double-sided polarizing plate including attaching transparent films to both surfaces of a polarizer via adhesive layers; irradiating the adhesive layers with active energy rays in an amount of light of 200 mJ/cm2 or more through an energy source located in a single direction, based on the polarizer; and thermally treating a surface of the transparent film provided to oppose the energy source at a temperature of from 10° C. to 25° C.Type: GrantFiled: March 28, 2014Date of Patent: August 8, 2017Assignee: LG CHEM, LTD.Inventors: Eun-Soo Huh, Eun-Mi Seo, Kwang-Seung Park, Mi-Rin Lee, Yong-Il Cho
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Patent number: 9658374Abstract: A first polarizing member includes a polarizing layer, a phase difference layer and an infrared reflective layer. The polarizing layer linearly polarizes light and emits polarized light. The phase difference layer changes a polarization state of the polarized light. The infrared reflective layer is interposed between the polarization layer and the phase difference layer, wherein the polarized light passes through the infrared reflective layer and infrared rays are reflected from the infrared reflective layer.Type: GrantFiled: April 27, 2015Date of Patent: May 23, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Eun Mi Seo, Na Young Shin, Kyung Hwan Jeon
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Publication number: 20170108739Abstract: A liquid crystal display device includes a first polarizing film, a first compensation film on the first polarizing film, the first compensation film including a biaxial film, a second compensation film on the first compensation film, the second compensation film including a negative C-plate film, a substrate on the second compensation film, a liquid crystal layer on the substrate, a second polarizing film on the liquid crystal layer, and a color conversion filter on the second polarizing film.Type: ApplicationFiled: April 21, 2016Publication date: April 20, 2017Inventors: Beong Hun BEON, Hyeon Jeong SANG, Eun Mi SEO, Seung Beom PARK
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Patent number: 9611411Abstract: There are provided a radically curable adhesive composition and a polarizing plate including the radically curable adhesive composition. The radically curable adhesive composition includes, based on 100 parts by weight thereof, 40 to 80 parts by weight of a first compound represented by the following Formula 1; 15 to 50 parts by weight of a second compound including at least one carboxy group; and 0.5 to 10 parts by weight of a radical initiator.Type: GrantFiled: June 13, 2014Date of Patent: April 4, 2017Assignee: LG Chem, Ltd.Inventors: Kwang-Seung Park, Mi-Rin Lee, Eun-Mi Seo, Eun-Soo Huh, Yong-Il Cho
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Publication number: 20170051482Abstract: The present invention relates to a trap integrated drain device for a washbasin, which includes: an upper fastener having a ring shape in a horizontal direction, having a drainpipe penetration hole punched in a central portion thereof so as to be insert-coupled to an outer circumference of a drainpipe that protrudes downward by penetrating a lower protrusion part of the washbasin, and including a plurality of close-contacting protrusions radially protruding from a top surface thereof; a sealing packing having a ring shape, insert-coupled to the outer circumference of the drainpipe, and disposed on the top surface of the upper fastener to come into close contact with a bottom surface of the lower protrusion part of the washbasin by the close-contacting protrusions so that watertightness is maintained; a tightening nut disposed on the bottom surface of the upper fastener and screw-coupled to a male screw part of the drainpipe to allow the upper fastener and the sealing packing to be fixed and coupled to the botType: ApplicationFiled: April 21, 2015Publication date: February 23, 2017Applicant: UNIBATH INC.Inventor: Eun Mi SEO
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Patent number: 9523792Abstract: A double-sided polarizer includes a polarizing film, a first adhesive layer formed on one surface of the polarizing film, a second adhesive layer formed on the other surface of the polarizing film, a first transparent film formed on the first adhesive layer, and a second transparent film formed on the second adhesive layer, wherein the first adhesive layer and the second adhesive layer are formed of an active energy line-curable adhesive and the first adhesive layer is 0.1 ?m to 3 ?m thick, and there is also provided an optical device including the double-sided polarizer.Type: GrantFiled: June 13, 2013Date of Patent: December 20, 2016Assignee: LG Chem, Ltd.Inventors: Eun-Mi Seo, Hwa-Sub Shim, Jee-Hyon Min, Nam-Jeong Lee, Kyun-Il Rah, Jun-Wuk Park, Eun Soo Huh, Yi-Rang Lim
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Patent number: 9487685Abstract: The present invention relates to an adhesive composition including 100 parts by weight of a first epoxy compound having a glass transition temperature of a homopolymer of not less than 120° C., 30 parts by weight to 100 parts by weight of a second epoxy compound having a glass transition temperature of a homopolymer of not more than 60° C., and 0.5 parts by weight to 20 parts by weight of a cationic photopolymerization initiator, and a polarizing plate using the same.Type: GrantFiled: October 12, 2012Date of Patent: November 8, 2016Assignee: LG Chem, Ltd.Inventors: Eun-Mi Seo, Eun-Soo Huh, Nam-Jeong Lee, Hwa-Sub Shim, Kyun-II Rah, Jun-Wuk Park, Jee-Hyon Min, Yi-Rang Lim
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Publication number: 20160306477Abstract: This disclosure provides a touch panel including: a touch sensor; a phase difference film stacked on the touch sensor; and a touch panel configured to include a polarizer stacked on the phase difference film, wherein the touch panel includes an infrared-blocking substance. This results in a decrease in the curvature radius which in turn provides a touch panel with increased bending range and since the infrared radiation is also blocked due to the infrared-blocking agent, it prevents the breakage of displays due to infrared rays.Type: ApplicationFiled: March 1, 2016Publication date: October 20, 2016Inventors: Hee Young Lee, Hyeon Jeong Sang, Eun Mi Seo, Yun Jang, Suk Choi
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Publication number: 20160291228Abstract: An organic light emitting diode display including: a display panel; a first retarder on the display panel and including a first reactive liquid crystal; a second retarder on the first retarder and including a second reactive liquid crystal; and a polarizer on the second retarder, wherein a first optical axis of the first reactive liquid crystal is inclined by 2?+45° relative to an absorption axis of the polarizer, and a second optical axis of the second reactive liquid crystal is inclined by ? relative to the absorption axis of the polarizer.Type: ApplicationFiled: October 16, 2015Publication date: October 6, 2016Inventors: Hee Young Lee, Yun Jang, Hyeon Jeong Sang, Eun Mi Seo, Suk Choi
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Publication number: 20160244644Abstract: There are provided a radically curable adhesive composition and a polarizing plate including the radically curable adhesive composition. The radically curable adhesive composition includes, based on 100 parts by weight thereof, 40 to 80 parts by weight of a first compound represented by the following Formula 1; 15 to 50 parts by weight of a second compound including at least one carboxy group; and 0.5 to 10 parts by weight of a radical initiator.Type: ApplicationFiled: June 13, 2014Publication date: August 25, 2016Inventors: Kwang-Seung PARK, Mi-Rin LEE, Eun-Mi SEO, Eun-Soo HUH, Yong-Il CHO