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).

  • 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
  • Patent number: 8772799
    Abstract: A display substrate includes a base substrate, color filter layers, a bottom supporting layer and a light-blocking and maintaining element. The base substrate includes a gate line, a data line crossing the gate line, and a switching element on the base substrate. The color filter layers are adjacent to each other on the base substrate. The bottom supporting layer is between the color filter layers adjacent to each other and on the base substrate. The light-blocking and maintaining element is between the color filter layers adjacent to each other, and on the bottom supporting layer. The light-blocking and maintaining element includes a light blocking portion, and a maintaining portion which overlaps the bottom supporting layer and protrudes from the light blocking portion.
    Type: Grant
    Filed: February 28, 2012
    Date of Patent: July 8, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Uk Kang, Chul Huh, Sang-Hun Lee, Gwan-Soo Kim
  • Publication number: 20140167878
    Abstract: Disclosed is an impedance matching apparatus performing impedance matching between a front-end module and an antenna. The impedance matching apparatus includes an RF front end providing a multi-band RF signal, a reflected power measuring module measuring a reflection coefficient for the RF input signal, a matching unit adjusting impedance so that the reflection coefficient is minimized, a first switch module provided in the RF front end to selectively switch the RF signal onto a bypass path, and a controller allowing the RF signal to be switched onto the bypass path if a specific frequency range is detected from the reflection coefficient.
    Type: Application
    Filed: August 3, 2012
    Publication date: June 19, 2014
    Applicant: LG INNOTEK CO., LTD.
    Inventor: Sang Hun Lee
  • Publication number: 20140125215
    Abstract: A microwave resonant cavity is provided. The microwave resonant cavity includes: a sidewall having a generally cylindrical hollow shape; a gas flow tube disposed inside the sidewall and having a longitudinal axis substantially parallel to a longitudinal axis of the sidewall; a plurality of microwave waveguides, each microwave waveguide having a longitudinal axis substantially perpendicular to the longitudinal axis of the sidewall and having a distal end secured to the sidewall and aligned with a corresponding one of a plurality of holes formed on the sidewall; a top plate secured to one end of the sidewall; and a sliding short circuit having: a disk slidably mounted between the sidewall and the gas flow tube; and at least one bar disposed inside the sidewall and arranged parallel to the longitudinal axis of the sidewall.
    Type: Application
    Filed: June 21, 2012
    Publication date: May 8, 2014
    Applicant: RECARBON, Inc.
    Inventor: Sang Hun Lee
  • Patent number: 8704993
    Abstract: A liquid crystal display includes a first insulation substrate, a plurality of gate lines and a plurality of data lines disposed on the first insulation substrate, a plurality of thin film transistors connected to the plurality of gate lines and the plurality of data lines, a plurality of pixel electrodes connected to the plurality of thin film transistors, a second insulation substrate disposed substantially opposite to the first insulation substrate; a plurality of column spacers disposed between the first and second insulation substrates and which supports the first and second insulation substrates, a light blocking member disposed on the first insulation substrate and including a sheet portion which includes an opening, a height controlling member disposed at the opening of the sheet portion of the light blocking member, where the plurality of column spacers is disposed on the height controlling member or the light blocking member.
    Type: Grant
    Filed: October 22, 2010
    Date of Patent: April 22, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Hun Lee, Chul Huh, Gwan-Soo Kim, Se-Ah Kwon, Yui-Ku Lee
  • Publication number: 20140063583
    Abstract: An infrared transmission large-area shutter is provided. The infrared transmission large-area shutter includes a first contact layer on a substrate, a plurality of stacks formed in a two-dimensional (2D) array pattern on a first region of the first contact layer, each stack comprising a lower reflection layer, an active layer, an upper reflection layer, and a second contact layer which are formed sequentially in this order on the first contact layer, a first electrode formed on the first contact layer, a plurality of second electrodes on the second contact layers, a first polymer layer that surrounds sidewalls of the plurality of stacks on the first contact layer, and a second polymer layer, which is transparent to infrared rays, to cover the second electrode on the second contact layer. A through hole corresponding to the plurality of stacks is formed in the substrate.
    Type: Application
    Filed: July 22, 2013
    Publication date: March 6, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sang-hun LEE, Chang-young PARK, Jong-oh KWON, Yong-hwa PARK
  • Publication number: 20140058540
    Abstract: An error detection device and method for a programming language is provided, the device including a program preparation unit configured to prepare a program by using a programming language, a logic converter configured to convert the prepared program to a sequence, a hash code calculator configured to detect a same logic relative to a sequence by dividing the converted sequence to a minimum unit of a plurality of program languages, calculating each hash code by the divided minimum unit of the plurality of program languages and comparing each calculated hash code, and an LCS (Longest Common Subsequence) calculator calculating an LCS relative to the sequence divided by the minimum unit of the plurality of program languages, and detecting a similar logic relative to the sequence by applying the calculated LCS to an LCS algorithm
    Type: Application
    Filed: August 19, 2013
    Publication date: February 27, 2014
    Applicant: LSIS CO., LTD.
    Inventor: Sang Hun LEE
  • Patent number: 8659868
    Abstract: Disclosed herein is a variable capacitor and its driving method, the variable capacitor including, a movable first electrode; and a second electrode formed with an insulating film, fixed in place, and its insulating film contacting the first electrode that is moved.
    Type: Grant
    Filed: May 27, 2011
    Date of Patent: February 25, 2014
    Assignee: LG Innotek Co., Ltd.
    Inventors: Chang Wook Kim, Dong Chan Park, Ju Young Song, Sang Hun Lee, Sung Bae Cho, Hyun Ho Yang, Jun Bo Yoon, Dong Hun Choi, Chang Hun Han
  • Patent number: 8633648
    Abstract: A gas conversion system using microwave plasma is provided. The system includes: a microwave waveguide; a gas flow tube passing through a microwave waveguide and configured to transmit microwaves therethrough; a temperature controlling means for controlling a temperature of the microwave waveguide; a temperature sensor disposed near the gas flow tube and configured to measure a temperature of gas flow tube or microwave waveguide; an igniter located near the gas flow tube and configured to ignite a plasma inside the gas flow tube so that the plasma converts a gas flowing through the gas flow tube during operation; and a plasma detector located near the gas flow tube and configured to monitor the plasma.
    Type: Grant
    Filed: June 19, 2012
    Date of Patent: January 21, 2014
    Assignee: ReCarbon, Inc.
    Inventors: Toru Tanibata, Jae-Mo Koo, Sang Hun Lee
  • Patent number: 8611948
    Abstract: A signal processing apparatus is provided. The signal processing apparatus comprises a plurality of ports which are grouped according to types of signals, in which the signals are grouped according to at least one standard of a communication mode, a frequency use area, a signal band, and a type of a transmission/reception signal.
    Type: Grant
    Filed: June 5, 2008
    Date of Patent: December 17, 2013
    Assignee: LG Innotek Co., Ltd.
    Inventor: Sang Hun Lee
  • Patent number: 8580086
    Abstract: A high concentration NO2 gas generating system including a circulating path configured by connecting a chamber, a plasma generator, and a circulating means, wherein NO2 is generated by circulating a gas mixture including nitrogen and oxygen in the circulating path is provided. The high concentration NO2 gas generating system provides a high concentration NO2 generating system and the high concentration NO2 generating method using the generating system by which NO2 of high concentration (approximately 500 ppm or above) required for a high level of sterilization process in such as sterilization of medical instruments can be simply and selectively obtained. In addition, since indoor air is used as an ingredient, the management of ingredients is simple and highly safe, and the high concentration of NO2 can be simply and selectively prepared on demand.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: November 12, 2013
    Assignee: Noxilizer, Inc.
    Inventors: Hidetaka Matsuuchi, Tomoyuki Hirose, Ryuichi Iwasaki, Masaaki Mike, Shigeru Masuda, Hirofumi Hayashi, Toru Tanibata, Joongsoo Kim, Sang Hun Lee, Jae-Mo Koo, Orion Weihe, Andrew Way
  • Publication number: 20130295495
    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: Application
    Filed: September 14, 2012
    Publication date: November 7, 2013
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang-Hun LEE, Sun-Young CHANG, Yun-Ho LEE, Yui-Ku LEE