Patents by Inventor Hye Jin Lee

Hye Jin 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: 20150173149
    Abstract: There are provided a light emitting diode (LED) driving apparatus and an LED lighting apparatus, in which a common detection resistor detecting a current flowing in each LED is used. According to exemplary embodiments of the present disclosure, manufacturing costs and a circuit area may be reduced by commonly using a common detection resistor detecting a current flowing in each of the LEDs.
    Type: Application
    Filed: June 3, 2014
    Publication date: June 18, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Deuk Hee PARK, Chan Woo PARK, Yun Joong LEE, Jong Tae HWANG, Je Hyeon YU, Soo Hyun MOON, Hye Jin LEE, Chang Seok LEE, Sang Hyun CHA
  • Publication number: 20150116013
    Abstract: There is provided an integrated circuit controlling a power supply, the integrated circuit including: an HV pin obtaining startup power; a voltage dividing unit connected to the HV pin; and an input voltage detecting unit detecting an input voltage through voltage distribution by the voltage dividing unit. The integrated circuit may be capable of reducing manufacturing costs by omitting a separate voltage sensing pin.
    Type: Application
    Filed: May 8, 2014
    Publication date: April 30, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Je Hyeon YU, Yun Joong LEE, Sang Hyun CHA, Chang Seok LEE, Hye Jin LEE, Deuk Hee PARK
  • Publication number: 20150115828
    Abstract: A light emitting diode driving apparatus may include a power supplying unit receiving phase-controlled power and supplying operation power having a preset level, a driving unit receiving the operation power from the power supplying unit to drive a light emitting diode unit receiving the phase-controlled power, and a noise current limiting unit decreasing a noise current due to a parasitic capacitance component of the driving unit.
    Type: Application
    Filed: July 9, 2014
    Publication date: April 30, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sang Hyun Cha, Hye Jin Lee, Deuk Hee Park, Yun Joong Lee
  • Publication number: 20150115821
    Abstract: There is provided a light emitting diode (LED) driver including: a power supplying unit including a dimmer and a rectifying unit and supplying a supply voltage to an LED device; and a control unit acquiring section information regarding the supply voltage and setting an LED on-time based on the section information.
    Type: Application
    Filed: January 24, 2014
    Publication date: April 30, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Je Hyeon YU, Deuk Hee PARK, Yun Joong LEE, Sang Hyun CHA, Chang Seok LEE, Hye Jin LEE
  • Patent number: 9007329
    Abstract: A liquid crystal display device in which a touch panel is embedded in a liquid crystal panel, which reduces the number of processes and eases assembly. The liquid crystal display device includes first and second substrates opposite each other, a thin film transistor array formed on the first substrate, a touch sensing part formed on the second substrate including a plurality of transparent X electrodes, a plurality of transparent Y electrodes orthogonally intersecting each other and a first transparent insulating film between the X electrodes and the Y electrodes, a color filter array formed on the touch sensing part, and a liquid crystal layer formed between the thin film transistor array and the color filter array.
    Type: Grant
    Filed: November 17, 2008
    Date of Patent: April 14, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: Deuk Su Lee, Hye Jin Lee, Hyung Seok Park
  • Publication number: 20150062978
    Abstract: Embodiments of the invention provide a method and a circuit for generating a reference signal for controlling a peak current of a converter switch. According to at least one embodiment, a dead-zone generator configured to form a dead-zone in an input voltage signal divided from a primary-side supply voltage of an isolated converter, and a duty ratio calculator configured to calculate a duty ratio of energy transfer to a secondary side. The circuit further includes an operator configured to generate and output a reference signal for controlling the peak current of the converter switch from a dead-zone voltage signal having the dead-zone using the duty ratio of energy transfer calculated by the duty ratio calculator.
    Type: Application
    Filed: August 29, 2014
    Publication date: March 5, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yun Joong LEE, Deuk Hee PARK, Chan Woo PARK, Jong Tae HWANG, Je Hyeon YU, Soo Hyun MOON, Hye Jin LEE, Chang Seok LEE, Sang Hyun CHA
  • Publication number: 20150062977
    Abstract: Embodiments of the invention provide a method and a circuit for generating a reference signal for controlling a peak current of a converter switch. According to at least one embodiment, the circuit includes a squarer configured to squire an input voltage signal divided from a primary-side supply voltage of an isolated converter, and a duty ratio calculator configured to calculate a duty ratio of energy transfer to a secondary side. The circuit further includes an operator configured to generate and output a reference signal for controlling the peak current of the converter switch from a square signal of the input voltage signal using the duty ratio of energy transfer calculated by the duty ratio calculator.
    Type: Application
    Filed: August 29, 2014
    Publication date: March 5, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yun Joong LEE, Deuk Hee PARK, Chan Woo PARK, Jong Tae HWANG, Je Hyeon YU, Soo Hyun MOON, Hye Jin LEE, Chang Seok LEE, Sang Hyun CHA
  • Publication number: 20150002037
    Abstract: There is provided a light emitting diode driving apparatus charging and discharging a valley fill power by comparing a voltage level of rectified power with a preset reference voltage. The light emitting diode driving apparatus includes a rectifying unit rectifying input AC power, a charging and discharging unit comparing a voltage level of power rectified by the rectifying unit with a preset reference voltage to charge and discharge the rectified power depending on the comparison result, and a driving unit driving a light emitting diode depending on the power rectified by the rectifying unit and a voltage discharged from the charging and discharging unit.
    Type: Application
    Filed: September 16, 2013
    Publication date: January 1, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sang Hyun CHA, Deuk Hee PARK, Chan Woo PARK, Yun Joong LEE, Jong Tae HWANG, Je Hyeon YU, Soo Hyun MOON, Hye Jin LEE, Chang Seok LEE
  • Publication number: 20140368119
    Abstract: There is provide a light emitting diode lighting apparatus capable of being generally used in various kinds of dimmer, the apparatus including: a dimmer varying waveforms of input power according to a dimming signal; a bleeder adjusting a bleeding current under control; a controller comparing a latching current of the dimmer with the bleeding current of the bleeder to control the amount of the bleeding current; and an LED driver receiving a current other than the bleeding current flowing through the bleeder from among the currents from the dimmer to driver a light emitting diode (LED).
    Type: Application
    Filed: September 13, 2013
    Publication date: December 18, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yun Joong LEE, Deuk Hee PARK, Chan Woo PARK, Jong Tae HWANG, Je Hyeon YU, Soo Hyun MOON, Hye Jin LEE, Chang Seok LEE, Sang Hyun CHA
  • Publication number: 20140322366
    Abstract: A coniferyl alcohol or a Compositae family, Brassicaceae family, Umbelliferae family, Lamiaceae family, Liliaceae family or Amaranthaceae plant extract provides various uses associated with hTRPA1 activation, and, being a natural compound, involves relatively few side effects in the body and has substantial industrial applicability. The coniferyl alcohol or the Compositae family, Brassicaceae family, Umbelliferae family, Lamiaceae family, Liliaceae family or Amaranthaceae plant extract of the present invention not only will be a novel medical or food raw material which is helpful in maintaining homeostasis in the body associated with hTRPA1 activation, but can also be used to advantage in hTRPA1 antagonist screening.
    Type: Application
    Filed: November 9, 2012
    Publication date: October 30, 2014
    Applicant: KOREA FOOD RESEARCH INSTITUTE
    Inventors: Mee Ra Rhyu, Hee Jin Son, Yi Seul Kim, Seo Hyeon Song, Min Jung Kim, Myung Ji Jung, Hye Jin Lee, Hye Young Kim, Jae-Ho Park
  • Publication number: 20140267638
    Abstract: A display apparatus for visual and audio multiplexed display may include a directive display unit configured to display a plurality of pieces of visual information toward a corresponding plurality of locations, wherein each of the plurality of pieces of visual information is output toward a specific location of the plurality of locations. The display apparatus may also include a directive speaker unit configured to transmit a plurality of pieces of audio information toward the plurality of locations, wherein each of the plurality of pieces of audio information is output toward a specific location of the plurality of locations, and a central control unit configured to control the directive display unit and the directive speaker unit.
    Type: Application
    Filed: November 26, 2013
    Publication date: September 18, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD
    Inventors: Seung-hoon HAN, Hong-pyo KIM, Hye-jin LEE
  • Publication number: 20140238269
    Abstract: Disclosed is an optical film, and more particularly, an optical film having excellent mechanical physical properties and low vapor permeability.
    Type: Application
    Filed: February 26, 2014
    Publication date: August 28, 2014
    Applicant: SK Innovation Co., Ltd.
    Inventors: Sang Yeup Lee, Hye Jin Lee, Jong Chae Kim, Seok Won Kim, Hyuk Jun Kim, Ki Yup Kim, Yong Gyun Cho
  • Publication number: 20140195443
    Abstract: The present invention relates to a system for servicing convergence index, and more particularly, to a system for servicing a convergence index for outputting a convergence index by utilizing patent information and servicing same. According to the system for servicing the convergence index of the present invention, the convergence index can be outputted by using time information related to a patent which is included in a patent group, a patent classification, and an industrial classification that corresponds to the patent classification. The system for servicing the convergence index of the present invention systematically outputs the convergence index by using patent data, which is an objective data, thereby outputting the convergence index which is objective and appropriate.
    Type: Application
    Filed: December 30, 2011
    Publication date: July 10, 2014
    Applicant: Korea Institute of Industrial Technology
    Inventors: Nak Kyu Lee, Hye Jin Lee, Jung Han Song, Jeanho Park, Sung Min Bae, Hyoung Wook Lee, Chul Young Kim
  • Publication number: 20140188739
    Abstract: The present invention relates to a method for outputting a convergence index, and more particularly, to a method for outputting a convergence index by utilizing patent information. According to the method for outputting the convergence index of the present invention, the convergence index can be outputted by using time information related to a patent which is included in a patent group, a patent classification, and an industrial classification that corresponds to the patent classification. The method for outputting the convergence index of the present invention systematically outputs the convergence index by using patent data, which is objective data, thereby outputting the convergence index which is objective and appropriate.
    Type: Application
    Filed: December 30, 2011
    Publication date: July 3, 2014
    Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Nak Kyu Lee, Hye Jin Lee, Jung Han Song, Jeanho Park, Sung Min Bae, Hyoung Wook Lee, Chul Young Kim
  • Publication number: 20140181118
    Abstract: The present invention relates to a method for outputting a convergence index, and more particularly, to a method for outputting a convergence index by utilizing patent information. According to the method for outputting the convergence index of the present invention, the convergence index can be outputted by using time information related to a patent which is included in a patent group, a patent classification, and an industrial classification that corresponds to the patent classification. The method for outputting the convergence index of the present invention systematically outputs the convergence index by using patent data, which is an objective data, thereby outputting the convergence index which is objective and appropriate.
    Type: Application
    Filed: December 30, 2011
    Publication date: June 26, 2014
    Applicant: Korea Institute of Industrial Technology
    Inventors: Nak Kyu Lee, Hye Jin Lee, Jung Han Song, Jeanho Park, Sung Min Bae, Hyoung Wook Lee, Chul Young Kim
  • Publication number: 20140118760
    Abstract: An image forming apparatus and an image forming method are provided. The image forming apparatus includes: a communication interface which receives printing data; a storage which stores a plurality of symbol set tables; a searcher which, if the printing data is a text document, searches for a symbol set table to be applied to the text document among the plurality of symbol set tables stored in the storage; a user interface (UI) which displays a preview image of the searched symbol set table and receives a selection of whether the searched symbol set table is to be applied; and an image former which performs a print job with respect to the text document by using the selected symbol set table.
    Type: Application
    Filed: September 26, 2013
    Publication date: May 1, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyun-yong KIM, Hye-jin LEE
  • Patent number: 8683507
    Abstract: A method and an apparatus for reproducing a moving image according to a parental level are provided. In the method, a video frame stream is digital-processed, so that frames are detected. Whether a parental level is set in each detected frame is determined. When the parental level is set, a frame sequence number of a frame to be reproduced next is determined using a next frame sequence number set in the frame.
    Type: Grant
    Filed: October 20, 2008
    Date of Patent: March 25, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-Min Lee, Hye-Jin Lee
  • Publication number: 20130302537
    Abstract: Provided is a cellulose acylate film. More particularly, the present invention relates to a cellulose acylate film having a low light scattering efficiency (haze).
    Type: Application
    Filed: November 7, 2012
    Publication date: November 14, 2013
    Applicant: SK INNOVATION CO., LTD.
    Inventors: Sang Yeup Lee, Hye Jin Lee, Ki Yup Kim, Yong Gyun Cho
  • Publication number: 20130289180
    Abstract: A thermoplastic resin composition includes (A) a rubber reinforced aromatic vinyl resin; (B) a recycled polyester resin; (C) a vinyl copolymer including an epoxy group; and (D) a phosphorus flame retardant. The thermoplastic resin composition can be flame retardant and environmentally friendly and can have improved falling ball impact strength, flowability (fluidity), chemical resistance, thermal stability and/or processability.
    Type: Application
    Filed: June 24, 2013
    Publication date: October 31, 2013
    Inventors: Su Hak BAE, Hae Kyung SONG, Sung Hee AHN, Hye Jin LEE
  • Patent number: D687716
    Type: Grant
    Filed: July 8, 2011
    Date of Patent: August 13, 2013
    Assignee: LG Household & Health Care Ltd.
    Inventor: Hye Jin Lee