Patents by Inventor Su-Young Ryu
Su-Young Ryu 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: 20150293286Abstract: The present invention relates to an optical film, a polarizing plate including the same, and a display device. The exemplary optical film may have a desired wavelength dispersion characteristic using positive and negative uniaxial retardation films satisfying a predetermined condition. In addition, the optical film has a desired wavelength dispersion characteristic, and thus may be utilized in various fields requiring delicate control of optical properties. For example, the optical film can be useful in the polarizing plate used to prevent reflection and ensure visibility in the display device.Type: ApplicationFiled: November 25, 2013Publication date: October 15, 2015Inventors: Byoung Kun Jeon, Su Young Ryu, Moon Soo Park, Hyuk Yoon
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Publication number: 20150285978Abstract: Provided are an optical film and a display device including the same. The optical film may be disposed at the outermost side of a display device, such as a liquid crystal display or an organic light emitting display, or at an outside of a polarizing layer of the display in which the polarizing layer is disposed at a visible side. The film disposed as described above may overcome degradation of brightness that may occur when an observer watches an image with polarizing sunglasses. The optical film may also have hardness suitable for its use.Type: ApplicationFiled: November 29, 2013Publication date: October 8, 2015Inventors: Jun Won Chang, Su Young Ryu, Moon Su Park
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Patent number: 9151869Abstract: A liquid crystal film, a method for manufacturing the same, a polarizing plate, and a liquid crystal display are provided. The liquid crystal film has excellent physical properties such as durability and an optical physical property so that it can be effectively used for various applications. In addition, the physical property of the liquid crystal film can be controlled according to desired purposes.Type: GrantFiled: January 25, 2012Date of Patent: October 6, 2015Assignee: LG Chem, Ltd.Inventors: Su Young Ryu, Moon Soo Park, Jun Won Chang, Sin Young Kim
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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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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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Publication number: 20150147490Abstract: Provided are a liquid crystal composition, a liquid crystal film and a display device. The liquid crystal composition according to the present application may form a liquid crystal layer in which staining due to a thickness difference does not occur even in large-area coating such that a liquid crystal layer can be formed on a base layer having erosivity to a raw material since the liquid crystal composition may have a suitable solubility even in a solvent in which solubility is normally low.Type: ApplicationFiled: January 27, 2015Publication date: May 28, 2015Inventors: Su Young RYU, Doo Young HUH, Seong Jin KIM, Chul In JOUNG, Ji Youn LEE
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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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Patent number: 9019465Abstract: Provided are a liquid crystal lens, an optical filter, and a display device. The exemplary liquid crystal lens may exhibit optical anisotropy and optical isotropy according to a polarization state of incident light. When the liquid crystal lens is applied to a display device capable of generating a 2D image and a 3D image, the 3D image may be seen without glasses in the state of the optical anisotropy, and the 2D image can be seen in the state of the optical isotropy.Type: GrantFiled: April 11, 2014Date of Patent: April 28, 2015Assignee: LG Chem, Ltd.Inventors: Byoung Kun Jeon, Su Young Ryu, Moon Soo Park
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Patent number: 9007446Abstract: Provided are a display device, a film for controlling a viewing angle and an optical filter. An illustrative display device may include a display element, the film for controlling the viewing angle and a polarization control element. The display device may be a three-dimensional (3D) display device. When the illustrative display device, film for controlling a viewing angle or optical filter is used, a 3D image may be observed at a wide viewing angle without loss of brightness.Type: GrantFiled: August 6, 2012Date of Patent: April 14, 2015Assignee: LG Chem, Ltd.Inventors: Byoung Kun Jeon, Moon Soo Park, Shin Young Kim, Su Young Ryu
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Publication number: 20150049175Abstract: Provided are a display device and polarizing glasses. The display device allows a user to wear polarizing glasses including a positive or negative uniaxial retardation layer and observe stereoscopic images. The display device includes a uniaxial retardation layer with the opposite sign to the uniaxial retardation layer included in the polarizing glasses so that the display device can have highly improved upper, lower, left, and right viewing angles.Type: ApplicationFiled: October 29, 2014Publication date: February 19, 2015Inventors: Byoung Kun JEON, Su Young RYU, Moon Soo PARK
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Patent number: 8934074Abstract: There is provided an electrically controllable birefringence liquid crystal display (ECB-LCD) device, including: a liquid crystal panel including a first substrate, a second substrate, and a liquid crystal cell interposed between the first substrate and the second substrate and including a liquid crystal having positive dielectric anisotropy, the liquid crystal cell having a cell gap of 1 to 5 ?m and operating in an ECB mode; a first polarizer disposed on an upper portion of the first substrate and having a first absorption axis; a second polarizer disposed on a lower portion of the second substrate and having a second absorption axis; a first liquid crystal film interposed between the first substrate and the first polarizer; and a second liquid crystal film interposed between the second substrate and the second polarizer; wherein the first liquid crystal film includes a first base substrate; and a first liquid crystal layer formed on a surface of the first base substrate and including a nematic liquid crystaType: GrantFiled: July 15, 2011Date of Patent: January 13, 2015Assignee: LG Chem, Ltd.Inventors: Byoung-Kun Jeon, Su-Young Ryu, Moon-Soo Park, Sang-Jun Yoon
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Publication number: 20140320773Abstract: Provided is a display device. An illustrative display device of the present application may display three-dimensional images or two-dimensional images, which may be enjoyed without glasses.Type: ApplicationFiled: July 11, 2014Publication date: October 30, 2014Inventors: Byoung Kun JEON, Su Young RYU, Moon Soo PARK
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Publication number: 20140307218Abstract: Provided are a liquid crystal composition, a liquid crystal film, a method for preparing the liquid crystal film, and a display device. According to an illustrative liquid crystal composition of the present application, the liquid crystal composition may be uniformly coated at normal temperature without any need for adding heat, and thus the process is economical in terms of process, thereby allowing an equipment to be simply manipulated. Also, according to an illustrative liquid crystal composition, an appropriate fluidity may be secured even after a solvent for the liquid crystal composition is dried, and thus uniform alignment may be induced. Furthermore, according to an illustrative liquid crystal composition, uniform liquid crystal alignment may be performed even while liquid crystals are aligned in a wide area.Type: ApplicationFiled: June 26, 2014Publication date: October 16, 2014Inventors: Su Young RYU, Moon Soo PARK
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Patent number: 8848120Abstract: Provided is a liquid crystal lens panel. The illustrative liquid crystal lens panel may provide a display device capable of viewing a 3D or 2D image without glasses.Type: GrantFiled: January 7, 2014Date of Patent: September 30, 2014Assignee: LG Chem, Ltd.Inventors: Byoung Kun Jeon, Su Young Ryu, Moon Soo Park
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Publication number: 20140247487Abstract: An optical film, a polarizing plate and a display device are provided. The optical film can have desired phase retardation at a wide wavelength range, and also show no light leakage at an inclination angle. Also, the optical film can have ¼-wavelength phase retardation, and can be used for reflective or semi-transmissive/reflective liquid crystal display devices or organic light-emitting devices.Type: ApplicationFiled: August 6, 2012Publication date: September 4, 2014Applicant: LG CHEM, LTD.Inventors: Byoung Kun JEON, Hyuk Yoon, Su Young Ryu, Moon Soo Park
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Publication number: 20140218649Abstract: Provided are a liquid crystal lens, an optical filter, and a display device. The exemplary liquid crystal lens may exhibit optical anisotropy and optical isotropy according to a polarization state of incident light. When the liquid crystal lens is applied to a display device capable of generating a 2D image and a 3D image, the 3D image may be seen without glasses in the state of the optical anisotropy, and the 2D image can be seen in the state of the optical isotropy.Type: ApplicationFiled: April 11, 2014Publication date: August 7, 2014Applicant: LG CHEM, LTD.Inventors: Byoung Kun Jeon, Su Young Ryu, Moon Soo Park
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Patent number: 8758868Abstract: An optical device is provided. The optical device according to one embodiment may be a light-dividing device, for example, a device that can divide incident light into at least two kinds of light having different polarization states. For example, the optical device can be used to realize a stereoscopic image.Type: GrantFiled: April 25, 2012Date of Patent: June 24, 2014Assignee: LG Chem Ltd.Inventors: Sin Young Kim, Kyung Ki Hong, Moon Soo Park, Seung Hun Chae, Eun Mi Seo, Doo Young Huh, Hyuk Yoon, Kyun Il Rah, Su Young Ryu
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Publication number: 20140153093Abstract: Provided are an optical filter and a stereoscopic display device. The exemplary optical filter may be applied to the stereoscopic display device to observe a stereoscopic image in a wide viewing angle without the loss of brightness.Type: ApplicationFiled: February 4, 2014Publication date: June 5, 2014Inventors: Moon Soo PARK, Byoung Kun JEON, Sang Seop KIM, Kyung Ki HONG, Dong Ho KO, Doo Young HUH, Su Young RYU, Seung Ryong LEE
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Publication number: 20140118646Abstract: Provided is a liquid crystal lens panel. The illustrative liquid crystal lens panel may provide a display device capable of viewing a 3D or 2D image without glasses.Type: ApplicationFiled: January 7, 2014Publication date: May 1, 2014Applicant: LG CHEM, LTD.Inventors: Byoung Kun JEON, Su Young RYU, Moon Soo PARK
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Publication number: 20140029097Abstract: A stereoscopic image display device (hereinafter, referred to as a “3D device”) and polarizing glasses are provided. According to the 3D device and polarizing glasses, a three-dimensional image having excellent crosstalk ratio and color characteristics can be observed.Type: ApplicationFiled: September 19, 2013Publication date: January 30, 2014Applicant: LG CHEM, LTD.Inventors: Byoung Kun JEON, Moon Soo PARK, Sin Young KIM, Su Young RYU