Patents by Inventor Sang Hun Lee

Sang Hun Lee 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).

  • Publication number: 20150135684
    Abstract: The present disclosure relates to a fuel injector for a diesel particulate filter, and more particularly, to a fuel injector for a diesel particulate filter which is capable of combusting and removing particulate matters included in the exhaust gas by injecting fuel into an exhaust gas discharge line. The present disclosure can prevent fuel from being frozen when fuel is intended to be injected into an exhaust gas line during the winter season or in a cold region, thereby allowing DPF regeneration to be smoothly carried out.
    Type: Application
    Filed: June 28, 2013
    Publication date: May 21, 2015
    Inventor: Sang Hun Lee
  • Patent number: 8999614
    Abstract: A photoresist composition for manufacturing a color filter, the photoresist composition includes a first red colorant and a yellow colorant represented by Chemical Formula 1, wherein R1 and R2 each independently represent a C1 to C10 alkyl group, wherein A1, A2, A3, and A4 each independently represent a C1 to C10 alkyl group, —CN, —PO3H2, —C(O)OH, or a hydrogen atom, m is an integer of 1 to 10, and optionally wherein at least one —CH2— of R1 and R2 if present is independently replaced with —O—, —C(O)—, —C(O)O—, or —OC(O)—.
    Type: Grant
    Filed: October 31, 2012
    Date of Patent: April 7, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sun-Young Chang, Sang-Hun Lee, Yui-Ku Lee, Chul Huh
  • Patent number: 8968651
    Abstract: By focusing on the fact that nitrogen dioxide exhibits an increased sterilizing effect among other sterilant gases including nitrogen oxide, the present invention is made to provide a sterilization method which may be suitably used for sterilizing items to be sterilized such as medical instruments which require increased reliability by using a high concentration NO2 gas of 5,000 ppm or above, for example. An inside of a sterilizing chamber containing an item to be sterilized is humidified, and a concentration of NO2 in the sterilizing chamber is made to be from 9 to 100 mg/L by filling a high concentration NO2 gas.
    Type: Grant
    Filed: March 10, 2010
    Date of Patent: March 3, 2015
    Assignee: Noxilizer, Inc.
    Inventors: Hirofumi Hayashi, Tomoyuki Hirose, Kazuhiro Kimura, Masaaki Mike, Ryuichi Iwasaki, Shigeru Masuda, Toru Tanibata, Joongsoo Kim, Sang Hun Lee, Jae-Mo Koo, Orion Weihe, Andrew Way
  • Publication number: 20150054925
    Abstract: An optical modulator and a 3D image acquisition apparatus including an optical modulator are provided. The optical modulator is disposed in a multiple quantum well including a plurality of quantum wells and a plurality of quantum barriers, and includes at least one carrier block disposed in the multiple quantum well restricting the carrier movement between the multiple quantum wells.
    Type: Application
    Filed: June 25, 2014
    Publication date: February 26, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang-young PARK, Yong-hwa PARK, Sang-hun LEE
  • Patent number: 8957885
    Abstract: A method of driving a display panel includes outputting a gate signal to a gate line of the display panel, outputting a data voltage having an offset value of a first polarity to a first pixel during a P-th frame, and outputting a data voltage having an offset value of a second polarity opposite to the first polarity to a second pixel during the P-th frame, where P is a natural number, the first pixel and the second pixel are connected to a same data line of the display panel, and the offset value of the first polarity and the offset value of the second polarity compensate for each other.
    Type: Grant
    Filed: February 13, 2012
    Date of Patent: February 17, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventor: Sang-Hun Lee
  • Publication number: 20150017869
    Abstract: A display substrate includes a substrate on which a first pixel area including a first light-blocking region, and a second pixel area adjacent to the first pixel area and including a second light-blocking region are defined, an insulating layer in the first and second light-blocking regions, a black matrix pattern layer on the insulating layer, a first column spacer in the first light-blocking region and protruding from the black matrix pattern layer, and a second column spacer in the second light-blocking region and protruding from the black matrix pattern layer. A height of a top surface of the first column spacer is different from a height of a top surface of the second column spacer, where the heights are taken with respect to the substrate.
    Type: Application
    Filed: September 26, 2014
    Publication date: January 15, 2015
    Inventors: Se-Ah KWON, Sang-Hun LEE, Gwan-Soo KIM, Yui-Ku LEE
  • Publication number: 20150008295
    Abstract: A knockdown cable tray made of a fire-retardant plastic and a coupling device therefor are capable of being used to easily and efficiently install an incombustible knockdown cable tray to suspend a plurality of cables from a ceiling. The knockdown cable tray includes: a pair of side panels, each of which includes a frame having a plurality of coupling holes formed in opposite ends thereof in a lengthwise direction and a coupler protruding outwardly from the frame, the side panels being located opposite each other; a plurality of rung members, each of which is detachably coupled to the couplers and firmly supports the side panels; and coupling devices, each of which is detachably coupled to the coupling holes of each frame and firmly couples a plurality of side panels disposed in a lengthwise direction.
    Type: Application
    Filed: July 2, 2014
    Publication date: January 8, 2015
    Inventors: Hyungseong Bae, Sang Hun Lee
  • Patent number: 8926777
    Abstract: The present invention relates to a method for preparing an optical sheet comprising the steps of: (a) preparing a transfer film having a single roughened side by coating one side of a first substrate with resin component comprising 100 parts by weight of binder resin and 70 to 130 parts by weight of spherical organic polymer beads, followed by drying; (b) laminating the transfer film preparing in step (a) with an ultraviolet-curable (UV-curable) resin-coated layer, which prepared by coating one side of a second substrate with UV-curable resin, such that the roughened side of the transfer film is facing the UV-curable resin-coated side of the second substrate; and (c) forming a roughened diffusive layer on the single-side of the second substrate having refractive index of 1.41 to 1.59 by curing the laminate obtained in step (b), followed by separating and removing the transfer film, wherein the roughened side of the transfer film has a segment angle of 130 to 150°.
    Type: Grant
    Filed: September 27, 2012
    Date of Patent: January 6, 2015
    Assignee: SKC Haas Display Films Co., Ltd.
    Inventors: Myung Duck Suh, Hyun Doo Lee, Sang Hun Lee, Kyoung-IL Lee, Jong Sun Yoon
  • Publication number: 20150002775
    Abstract: An exemplary embodiment of the present invention relates to a liquid crystal display having a display area and a non-display area which includes a first substrate and a second substrate facing the first substrate, a layer having a first opening, a spacer disposed in the first opening, and a first light blocking member disposed in the non-display area. The spacer is disposed in the first opening to maintain an interval between the first substrate and the second substrate. The spacer and the first light blocking member include the same material.
    Type: Application
    Filed: September 16, 2014
    Publication date: January 1, 2015
    Inventors: Sun-Young CHANG, Chul Huh, Sang-Hun Lee, Gwan-Soo Kim, Yui-Ku Lee
  • Publication number: 20140376093
    Abstract: There are provided a diffractive optical element in which a diffraction pattern is formed on at least one surface, wherein a height of the diffraction pattern changes from a center to an edge of the one surface, and a height of a first diffraction pattern element formed at the center and a height of a second diffraction pattern element formed at the edge are different, and an optical device having the same.
    Type: Application
    Filed: May 30, 2014
    Publication date: December 25, 2014
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Sang Hun Lee, Dowon Yi
  • Publication number: 20140342235
    Abstract: Disclosed are a negative active material for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery including the same. The negative active material includes a composite particle including a silicon particle and a carbon coating layer coated on the surface of the silicon particle and a porous space formed by the entangled carbon nanofibers, the composite particle contacting the external surface of the carbon nanofibers in the porous space of the carbon nanofiber structure, and the carbon nanofibers have a larger diameter than that of the composite particle and a diameter ranging from about 100 nm to about 2000 nm.
    Type: Application
    Filed: January 7, 2014
    Publication date: November 20, 2014
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Sung Soo Park, Sang-Hun Lee, Jae-Hyun Shim, Jun-Kyu Cha, Ki-Jun Kim, Jae-Myung Kim, Su-Bin Song, Eun-Cheol Lee
  • Patent number: 8883377
    Abstract: A photoresist composition for forming a color filter, the composition including a binder resin, a monomer, a photo initiator, a dye compound including epoxy group, and an organic solvent.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: November 11, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Hun Lee, Sun-Young Chang, Yun-Ho Lee, Yui-Ku Lee
  • Patent number: 8873018
    Abstract: A display substrate includes a substrate on which a first pixel area including a first light-blocking region, and a second pixel area adjacent to the first pixel area and including a second light-blocking region are defined, an insulating layer in the first and second light-blocking regions, a black matrix pattern layer on the insulating layer, a first column spacer in the first light-blocking region and protruding from the black matrix pattern layer, and a second column spacer in the second light-blocking region and protruding from the black matrix pattern layer. A height of a top surface of the first column spacer is different from a height of a top surface of the second column spacer, where the heights are taken with respect to the substrate.
    Type: Grant
    Filed: April 4, 2011
    Date of Patent: October 28, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se-Ah Kwon, Sang-Hun Lee, Gwan-Soo Kim, Yui-Ku Lee
  • Patent number: 8854579
    Abstract: An exemplary embodiment of the present invention relates to a liquid crystal display having a display area and a non-display area which includes a first substrate and a second substrate facing the first substrate, a layer having a first opening, a spacer disposed in the first opening, and a first light blocking member disposed in the non-display area. The spacer is disposed in the first opening to maintain an interval between the first substrate and the second substrate. The spacer and the first light blocking member include the same material.
    Type: Grant
    Filed: May 28, 2010
    Date of Patent: October 7, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sun-Young Chang, Chul Huh, Sang-Hun Lee, Gwan-Soo Kim, Yui-Ku Lee
  • Patent number: 8854400
    Abstract: Provided are a method and system for controlling light by using an image code. The method includes displaying an image code on a display unit; acquiring information relating to light settings by recognizing the image code; determining apparatus information and lighting state information by using information relating to the light settings; and transmitting a light request message for requesting light settings according to the lighting state information to the lighting apparatus having apparatus information that is equal to the apparatus information of the image code.
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: October 7, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-gon Lee, Te-o Jung, Chang-sub Lee, Sang-hun Lee
  • Patent number: 8833952
    Abstract: A display apparatus includes a display panel, a light source, a polarizer, and a transparent reflective element. The display panel includes a color filter including a first portion and a second portion in a pixel area. The first portion has a first light transmittance. The second portion has a second light transmittance higher than the first light transmittance. The light source provides a light to the display panel. The polarizer is disposed between the light source and the display. The polarizer polarizes the light. The transparent reflective element is spaced apart from the display panel. The transparent reflective element reflects an image provided from the display panel.
    Type: Grant
    Filed: August 24, 2012
    Date of Patent: September 16, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong-Woong Chang, Chul Huh, Kyong-Sik Choi, Sang-Hun Lee, Yui-Ku Lee
  • Publication number: 20140257178
    Abstract: A drug infusion pump is provided. The drug infusion pump includes a main body including a drive motor and a processor, and a cartridge module including a pump module and a drug cartridge and detachably provided in the main body. When the cartridge module is fitted in the main body, the pump module and the drug cartridge are accommodated in the main body and the pump module is coupled to the drive motor. The drug infusion pump is configured such that the pump module is coupled with the drive motor when the cartridge module is fitted in the main body. Accordingly, the cartridge may be easily separated and replaced so as to address a problem of a patient's inconvenience in using the drug infusion pump.
    Type: Application
    Filed: February 5, 2014
    Publication date: September 11, 2014
    Applicants: SNU R&DB FOUNDATION, Samsung Electronics Co., Ltd.
    Inventors: Sang-Hun LEE, Hee-Chan KIM, Jung-Chan LEE, Sa-Ram LEE
  • Patent number: 8804226
    Abstract: An optical modulator unit, an optical modulator, and a method of fabricating are provided. The optical modulator unit includes a first contact layer transmitting infrared rays, a lower reflection layer disposed on the first contact layer, an active layer, including a multiple quantum well, disposed on the lower reflection layer, and an upper reflection layer disposed on the active layer. The optical modulator includes a plurality of optical modulator units sharing the first contact layer. The method includes sequentially stacking a first contact layer, a lower reflection layer, an active layer, an upper reflection layer, and a second contact layer on a substrate; etching the second contact layer, the upper reflection layer, the active layer, and the lower reflection layer, exposing a surface of the first contact layer; forming a first electrode on the first contact layer; and forming a second electrode on the second contact layer.
    Type: Grant
    Filed: June 25, 2012
    Date of Patent: August 12, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-hun Lee, Chang-young Park, Jo-ho Lee
  • Patent number: 8791468
    Abstract: A method of fabricating a gallium nitride (GaN) thin layer, by which a high-quality GaN layer may be grown on a large-area substrate using an electrode layer suspended above a substrate, a GaN film structure fabricated using the method, and a semiconductor device including the GaN film structure. The method includes forming a sacrificial layer on a substrate, forming a first buffer layer on the sacrificial layer, forming an electrode layer on the first buffer layer, forming a second buffer layer on the electrode layer, partially etching the sacrificial layer to form at least two support members configured to support the first buffer layer and form at least one air cavity between the substrate and the first buffer layer, and forming a GaN thin layer on the second buffer layer.
    Type: Grant
    Filed: October 11, 2011
    Date of Patent: July 29, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Joo-ho Lee, Jun-hee Choi, Sang-hun Lee, Mi-jeong Song
  • Publication number: 20140194829
    Abstract: A dose measuring device for a drug delivery device is provided. The dose measuring device includes a main body and a dial sleeve coupled to the main body to spirally move, the dose measuring device including a housing provided to be removable from the main body, a rotation ring received in the housing to rotate, an encoder installed in the housing to detect the amount of rotation of the rotation ring, and an auxiliary sleeve provided to be removable from the dial sleeve and to spirally move together with the dial sleeve in the housing, in which the rotation ring is bound to the auxiliary sleeve to rotate together with the auxiliary sleeve and is fixed in the housing in a longitudinal direction of the main body.
    Type: Application
    Filed: January 9, 2014
    Publication date: July 10, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: In-Geol BAEK, Jae-Kyung KWAK, Sang-Hun LEE