Patents by Inventor Min Kwak

Min Kwak 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).

  • Patent number: 9804307
    Abstract: The present disclosure relates to a multilayer optical film including a first film layer formed of a thermoplastic acrylic resin composition including 0.01 to 2.0 parts by weight of a triazine-based ultraviolet absorber; a second film layer formed of a thermoplastic acrylic resin composition including 0.1 to 5.0 parts by weight of at least one ultraviolet absorber selected from a group consisting of a triazole-based ultraviolet absorber, a benzophenone-based ultraviolet absorber, an oxanilide-based ultraviolet absorber and a cyanoacrylate-based ultraviolet absorber; and a third film layer formed of the thermoplastic acrylic resin composition including 0.01 to 2.0 parts by weight of the triazine-based ultraviolet absorber, with respect to 100 parts by weight of the thermoplastic acrylic resin composition, a method of manufacturing the same, and a polarizing plate including the same.
    Type: Grant
    Filed: June 17, 2014
    Date of Patent: October 31, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Jun-Geun Um, Nam-Jeong Lee, Sang-Min Kwak, Suk-Il Youn, Sei-Jung Park
  • Patent number: 9764626
    Abstract: A one-motor electric sunshade and sunroof structure may include glass sleds configured to open and close a sunroof glass by sliding in a front and rear direction along mechanism rails disposed at both sides of a roof panel for a vehicle, each having both ends to which a front sled and a rear sled are rotatably coupled, respectively, main cable devices which are connected with a drive motor by a cable, and movable along the mechanism rails, each having a cable protrusion that protrudes to be slidably accommodated in glass grooves formed in side surfaces of the front sled, the rear sled, and the glass sled, and sunshade sleds selectively coupled to the main cable devices and configured to open and close the sunshade by sliding, each having a first side at which a sunshade lever, which is selectively restricted with a corresponding mechanism rail, is mounted.
    Type: Grant
    Filed: April 14, 2016
    Date of Patent: September 19, 2017
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Webasto Donghee Holdings Co., Ltd.
    Inventors: Jeong-Hoon Park, Seong-Min Kwak
  • Publication number: 20170207423
    Abstract: An organic light emitting diode (OLED) display includes a substrate where OLEDs are formed and an encapsulation member fixed onto the substrate while covering the OLEDs. The encapsulation member includes a photochromic material so that the encapsulation member is colored by external light.
    Type: Application
    Filed: March 29, 2017
    Publication date: July 20, 2017
    Inventors: Soon-Ryong Park, Woo-Suk Jung, Hee-Chul Jeon, Eun-Ah Kim, Hee-Seong Jeong, Noh-Min Kwak, Chul-Woo Jeong, Joo-Hwa Lee
  • Patent number: 9690020
    Abstract: There is provided an optical film including an ultraviolet light absorbent having a first peak with a maximum absorption coefficient of 0.07 to 0.10 phr?1 ?m?1 in a wavelength band of 290 to 320 nm and a second peak with a maximum absorption coefficient of 0.11 to 0.16 phr?1 ?m?1 in a wavelength band of 330 to 400 nm, an acrylic resin, and a hindered amine light stabilizer (HALS), and a polarizing plate including the same.
    Type: Grant
    Filed: March 4, 2014
    Date of Patent: June 27, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Suk-Il Youn, Nam-Jeong Lee, Sang-Min Kwak, Kyung-Jae Kwon
  • Patent number: 9634750
    Abstract: A beamforming method is provided. The beamforming method includes determining different beams for pieces of user equipment based on channel information fed back from the pieces of user equipment, predicting beam qualities of the pieces of user equipment for the beams, determining whether the beam qualities satisfy Quality of Service (QoS) for the pieces of user equipment, generating a wide nulling beam by applying wide nulling to a second beam having a side lobe acting as interference against one first beam, when the beam quality of the first beam does not satisfy the QoS; predicting beam qualities for the beams including the wide nulling beam instead of the second beam, and simultaneously communicating with the user equipment through the beams including the wide nulling beam instead of the second beam, when the beam qualities for the beams including the wide nulling beam instead of the second beam satisfy the QoS.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: April 25, 2017
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Insitute Of Science and Technology
    Inventors: Se-Min Kwak, Yong-Hoon Kim, Hee-Seong Yang, Sang-Hyouk Choi, Joo-Hwan Chun
  • Patent number: 9581734
    Abstract: There is provided an optical film including an ultraviolet light absorbent having a first peak with a maximum absorption coefficient of 0.07 to 0.10 phr?1?m?1 in a wavelength band of 290 to 320 nm and a second peak with a maximum absorption coefficient of 0.11 to 0.16 phr?1?m?1 in a wavelength band of 330 to 400 nm, and acrylic resin, wherein the content of the ultraviolet light absorbent is 0.3 to 1.0 parts by weight with respect to 100 parts by weight of the acrylic resin, and a polarizing plate including the same.
    Type: Grant
    Filed: March 7, 2014
    Date of Patent: February 28, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Suk-Il Youn, Sang-Min Kwak, Kyung-Jae Kwon, Nam-Jeong Lee
  • Publication number: 20160358374
    Abstract: A method for providing three-dimensional (3D) data of a cloth is disclosed. The method includes: acquiring images corresponding to panels of a cloth; identifying a shape of each of the acquired images; determining types of the panels based on the identified shape of each of the images; and generating 3D data of the cloth by combining the acquired images based on the determined types of the panels.
    Type: Application
    Filed: April 8, 2016
    Publication date: December 8, 2016
    Inventors: Eun-jung JU, Seung-ho SHIN, Ji-won JEONG, Ji-hye SONG, Sun-young HAN, Young-min KWAK
  • Publication number: 20160357399
    Abstract: A device comprises a viewpoint sensor for sensing a user's viewpoint; a rendering viewpoint determination unit for determining a rendering viewpoint according to the sensed user's viewpoint; a rendering performing unit for rendering a three-dimensional (3D) graphical user interface (GUI) screen according to the determined rendering viewpoint; a display unit for displaying the rendered 3D GUI screen; and a controller, wherein when the user's viewpoint changes, at least one new object is additionally displayed on the 3D GUI screen.
    Type: Application
    Filed: August 17, 2016
    Publication date: December 8, 2016
    Inventors: Seung-ho SHIN, Seon-ho HWANG, Young-min KWAK, Chan-min PARK, Sang-kyung LEE, Hae-in CHUN, Jong-youb RYU
  • Publication number: 20160339769
    Abstract: A one-motor electric sunshade and sunroof structure may include glass sleds configured to open and close a sunroof glass by sliding in a front and rear direction along mechanism rails disposed at both sides of a roof panel for a vehicle, each having both ends to which a front sled and a rear sled are rotatably coupled, respectively, main cable devices which are connected with a drive motor by a cable, and movable along the mechanism rails, each having a cable protrusion that protrudes to be slidably accommodated in glass grooves formed in side surfaces of the front sled, the rear sled, and the glass sled, and sunshade sleds selectively coupled to the main cable devices and configured to open and close the sunshade by sliding, each having a first side at which a sunshade lever, which is selectively restricted with a corresponding mechanism rail, is mounted.
    Type: Application
    Filed: April 14, 2016
    Publication date: November 24, 2016
    Applicants: Hyundai Motor Company, Kia Motors Corporation, Webasto Donghee Holdings Co., Ltd.
    Inventors: Jeong-Hoon PARK, Seong-Min KWAK
  • Publication number: 20160253047
    Abstract: A method for operating a user interface of an electronic device is provided. The method includes displaying at least one fluid graphic element on a display of the electronic device, determining whether a preset second condition associated with the at least one fluid graphic element is satisfied, and performing a preset function of the electronic device if the second condition is satisfied.
    Type: Application
    Filed: February 29, 2016
    Publication date: September 1, 2016
    Inventors: Hyung-Min KIM, Soo-Wan Park, Chang-Mo Yang, Jee-Yeun Wang, Seung-Ho Shin, Young-Min Kwak, Joon-Seok Lee, Kang-Sik Choi, Chul-Hwan Hyun
  • Publication number: 20160244593
    Abstract: There are provided a resin composition including a particulate thermoplastic acrylic resin and a triazine-based ultraviolet (UV) absorber, a preparation method thereof, and an optical film including the same.
    Type: Application
    Filed: June 17, 2014
    Publication date: August 25, 2016
    Inventors: Jun-Geun UM, Suk-Il YOUN, Nam-Jeong LEE, Sang-Min KWAK, Sei-Jung PARK
  • Publication number: 20160184382
    Abstract: Provided is a composition for enhancing effects of an anticancer agent using an oriental medicine, jaeumganghwa-tang, bojungikgi-tang, or yukmijihwang-tang. More particularly, provided is a composition for treating a neoplastic disease by administering an anticancer agent into an individual, and administering an oriental medicine into the individual within 30 minutes. The composition remarkably reduces side effects occurring when the anticancer agent is administered alone by co-administration of the oriental medicine, reduces cytotoxicity, and has higher anticancer activity than that when the anticancer agent is administered alone.
    Type: Application
    Filed: May 15, 2014
    Publication date: June 30, 2016
    Applicant: COMPREHENSIVE AND INTEGRATIVE MEDICINE INSTITUTE
    Inventors: Joon Seok BYUN, Sae Kwang KU, Ki Cheul SOHN, Seung Mo KIM, Chang Hyeong LEE, Dae Sung HYUN, Jong Dae Kim, Sung Hwan PARK, Min A. KWAK
  • Patent number: 9346225
    Abstract: Provided is a method of preparing a resin composition for an optical film. The method includes forming a four-component copolymer by reacting an alkyl(meth)acrylate-based monomer, an acrylate-based monomer containing a benzene ring, and a (meth)acrylic acid monomer by using a continuous bulk polymerization method; and forming a resin composition for an optical film by removing unreacted monomer and solvent from a reaction product in a devolatilizer.
    Type: Grant
    Filed: April 5, 2012
    Date of Patent: May 24, 2016
    Assignee: LG CHEM, LTD.
    Inventors: Jae-Bum Seo, Chang-Hun Han, Dae-Woo Lee, Jung-Tae Park, Eun-Jung Choi, Byoung-Il Kang, Joon-Sik Kim, Nam-Jeong Lee, Sang-Min Kwak, Joong-Hoon Lee
  • Patent number: 9297944
    Abstract: Provided are a composition for an optical film comprising 40 wt % to 94 wt % of an acrylic resin; 5 wt % to 40 wt % of a styrene-acrylonitrile copolymer having a weight-average molecular weight less than 1,000,000; and 1 wt % to 20 wt % of an ultra-high molecular weight styrene-acrylonitrile copolymer having a weight-average molecular weight ranging from 1,000,000 to 9,000,000, and an optical film using the composition.
    Type: Grant
    Filed: September 21, 2012
    Date of Patent: March 29, 2016
    Assignee: LG CHEM, LTD.
    Inventors: Jun-Wuk Park, Sang-Min Kwak, Jun-Geun Um, Nam-Jeong Lee, Suk-Il Youn
  • Patent number: 9285614
    Abstract: A liquid crystal dispensing system includes a container to contain liquid crystal to be dispensed, a discharge pump to receive the liquid crystal from the container and to discharge the liquid crystal, a nozzle to dispense the liquid crystal discharged from the discharge pump onto a substrate, and a control unit to control a dispensing amount of liquid crystal discharged from the discharge pump and to compensate the dispensing amount when the dispensing amount of liquid crystal exceeds a limitation value.
    Type: Grant
    Filed: April 22, 2014
    Date of Patent: March 15, 2016
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Joung-Ho Ryu, Soo-Min Kwak, Hae-Joon Son, Man-Ho An, Joon-Young Kim, Do-Hyun Ryu, Seung-Soo Lee
  • Publication number: 20160054490
    Abstract: The present disclosure relates to a multilayer optical film including a first film layer formed of a thermoplastic acrylic resin composition including 0.01 to 2.0 parts by weight of a triazine-based ultraviolet absorber; a second film layer formed of a thermoplastic acrylic resin composition including 0.1 to 5.0 parts by weight of at least one ultraviolet absorber selected from a group consisting of a triazole-based ultraviolet absorber, a benzophenone-based ultraviolet absorber, an oxanilide-based ultraviolet absorber and a cyanoacrylate-based ultraviolet absorber; and a third film layer formed of the thermoplastic acrylic resin composition including 0.01 to 2.0 parts by weight of the triazine-based ultraviolet absorber, with respect to 100 parts by weight of the thermoplastic acrylic resin composition, a method of manufacturing the same, and a polarizing plate including the same.
    Type: Application
    Filed: June 17, 2014
    Publication date: February 25, 2016
    Inventors: Jun-Geun UM, Nam-Jeong LEE, Sang-Min KWAK, Suk-Il YOUN, Sei-Jung PARK
  • Publication number: 20160018565
    Abstract: There is provided an optical film including an ultraviolet light absorbent having a first peak with a maximum absorption coefficient of 0.07 to 0.10 phr?1?m?1 in a wavelength band of 290 to 320 nm and a second peak with a maximum absorption coefficient of 0.11 to 0.16 phr?1?m?1 in a wavelength band of 330 to 400 nm, and acrylic resin, wherein the content of the ultraviolet light absorbent is 0.3 to 1.0 parts by weight with respect to 100 parts by weight of the acrylic resin, and a polarizing plate including the same.
    Type: Application
    Filed: March 7, 2014
    Publication date: January 21, 2016
    Inventors: Suk-II YOUN, Sang-Min KWAK, Kyung-Jae KWON, Nam-Jeong LEE
  • Patent number: 9200869
    Abstract: The present invention aims to provide a composite optical device which includes the day-time optical device, thermal imaging optical device, laser application device and displaying device while reducing the volume and weight, further comprising attenuator that can control the amount of light for easy display on the display. The present invention also aims to provide a composite optical device with enhanced efficiency of transmitting laser and easy operability by installing the attenuator at an appropriate location.
    Type: Grant
    Filed: May 18, 2010
    Date of Patent: December 1, 2015
    Assignee: Agency for Defense Development
    Inventors: Dong Won Yang, Dong Min Kwak, Joo Hong Yoon, Kyung Mok Kang
  • Publication number: 20150282001
    Abstract: A beamforming method is provided. The beamforming method includes determining different beams for pieces of user equipment based on channel information fed back from the pieces of user equipment, predicting beam qualities of the pieces of user equipment for the beams, determining whether the beam qualities satisfy Quality of Service (QoS) for the pieces of user equipment, generating a wide nulling beam by applying wide nulling to a second beam having a side lobe acting as interference against one first beam, when the beam quality of the first beam does not satisfy the QoS; predicting beam qualities for the beams including the wide nulling beam instead of the second beam, and simultaneously communicating with the user equipment through the beams including the wide nulling beam instead of the second beam, when the beam qualities for the beams including the wide nulling beam instead of the second beam satisfy the QoS.
    Type: Application
    Filed: March 27, 2015
    Publication date: October 1, 2015
    Inventors: Se-Min KWAK, Yong-Hoon KIM, Hee-Seong YANG, Sang-Hyouk CHOI, Joo-Hwan CHUN
  • Publication number: 20150266908
    Abstract: A method for preparing a novel aromatic phosphate ester-based compound, including: (a) reacting a compound expressed by chemical formula 1 (i) and a C6-10 aryl compound substituted with hydroxy or C1-6 alkoxy, or a C6-20 arylalkyl compound substituted with hydroxy or C1-6 alkoxy (ii), which are used as reaction materials by gradually heating to the temperature levels of 90-125° C., 125-180° C., 180-210° C. and 210-240° C.; (b) separating an aromatic phosphate ester-based compound from the resultant product in step (a) under the condition of a pressure of 0.01 mmHg-50 mmHg and a temperature of 50° C.-300° C. using fractional distillation; and (c) reacting the aromatic phosphate ester-based compound separated in step (b) (i) and C1-10 alcohol or a nitrogen compound (ii) at a temperature of 10-70° C.
    Type: Application
    Filed: September 24, 2013
    Publication date: September 24, 2015
    Inventor: Seung Min KWAK