Patents by Inventor Jung-hyun Kim

Jung-hyun Kim 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: 9140842
    Abstract: A display device includes a display panel, a light guide plate which is disposed under the display panel and includes a first side surface, a second side surface connected to one end of the first side surface, and a third side surface connected to the other end of the first side surface, a first light source disposed to face the first side surface and including a plurality of light emitting devices including a first light emitting device to emit a first color light and a second light emitting device to emit a second color light, and a first reflecting member disposed on the second side surface and having a complementary color to a color of the light emitted from a light emitting device, which is disposed closest to the one end of the first side surface, among the plurality of light emitting devices.
    Type: Grant
    Filed: December 26, 2013
    Date of Patent: September 22, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jung Hyun Kim, Hee-Kwang Song, Seokhyun Nam, Juyoung Yoon
  • Patent number: 9135870
    Abstract: A source driver, a controller, and a method for driving a source drive are provided. The source driver includes a controller configured to receive a start pulse signal, and generate and output one of a new start pulse signal if the start pulse signal is received, and an internal start pulse signal if the start pulse signal is not received, a shift register configured to receive video data, store the video data, and output the video data if the outputted start pulse signal is received by the shift register, a digital-to-analog converter (DAC) configured to convert the video data output from the shift register into an analog voltage signal, and output the analog voltage signal, and an output buffer configured to buffer the analog voltage signal output from the DAC, and output the buffered analog voltage signal.
    Type: Grant
    Filed: February 6, 2012
    Date of Patent: September 15, 2015
    Assignee: Magnachip Semiconductor Ltd.
    Inventors: Jin-cho Choi, Jeong-soo Kang, Jung-hoon Sul, Jung-hyun Kim, Kyu-young Chung
  • Patent number: 9112463
    Abstract: A power amplifier circuit for amplifying an envelope modulated Radio Frequency (RF) signal with improved linearity and efficiency includes a power amplifier, and a variable load matching circuit coupled to an output port of the power amplifier. The input impedance of the variable load matching circuit is changed such that an output power of the power amplifier is at a first output power level, or a second output power level which is higher than the first output power level.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: August 18, 2015
    Inventors: Moon-Suk Jeon, Jung-Rin Woo, Sung-Hwan Park, Jung Hyun Kim, Young Kwon
  • Publication number: 20150214908
    Abstract: A linearized power amplifier includes a first amplification stage having a first transistor for amplifying an input signal and outputting a pre-amplified signal, and a second amplification stage having a second transistor for amplifying the pre-amplified signal. A phase injection circuit, connected to the gate of the first transistor and the gate of the second transistor, adjusts the phase of the input signal based on the pre-amplified signal so as to compensate for AM-AM distortion and AM-PM distortion.
    Type: Application
    Filed: January 28, 2014
    Publication date: July 30, 2015
    Applicant: Avago Technologies General IP (Singapore) Pte. Ltd.
    Inventors: Un Ha Kim, Jung Hyun Kim, Young Kwon
  • Patent number: 9094003
    Abstract: A multipoint low-voltage differential signaling (mLVDS)receiver of a semiconductor device and a buffering circuit of a semiconductor device, includes: an even-number data buffering unit configured to: sample even-number data from input data, amplify and output the even-number data in a section in which a positive clock is activated, and latch the even-number data in a section in which the positive clock is inactivated, and an odd-number data buffering unit configured to: sample odd-number data from the input data, amplify and output the odd-number data in a section in which a negative clock is activated, and latch the odd-number data in a section in which the negative clock is inactivated.
    Type: Grant
    Filed: July 1, 2013
    Date of Patent: July 28, 2015
    Assignee: Magnachip Semiconductor Ltd.
    Inventor: Jung-hyun Kim
  • Publication number: 20150206507
    Abstract: A display device includes a display panel which displays an image corresponding to input image data and is divided into a display blocks, a light source module which includes a light source blocks respectively corresponding to the display blocks, each of the light source blocks including a first light source which emits light of a first color, and a second light source which emits light of a combination of second and third colors, a dimming controller which outputs a dimming signal, a light source module driver which drives each of the light source blocks based on the dimming signal, where the dimming controller detects block image data corresponding to each of the display blocks from the image data, calculates color data based on the block image data, and provides a first dimming signal and a second dimming signal to the light source module driver.
    Type: Application
    Filed: June 17, 2014
    Publication date: July 23, 2015
    Inventors: Yong Hoon KWON, Hee Kwang SONG, Ho Sik SHIN, Jung Hyun KIM, Seok Hyun NAM
  • Publication number: 20150198970
    Abstract: A timing signal generation apparatus includes a timing signal generation module suitable for generating a timing signal based on a timing pattern, a timing pattern generation and control module suitable for generating the timing pattern and controlling the timing signal generation module, and an interface module suitable for signal interface with a neighboring device.
    Type: Application
    Filed: June 16, 2014
    Publication date: July 16, 2015
    Inventors: Keun-Soo CHO, Kyung-Dong YOO, Sang-Dong YOO, Jong-Suk LEE, Jung-Hyun KIM
  • Patent number: 9081226
    Abstract: A light-emitting module includes a printed circuit board (PCB) and a light emitting package. A hole is formed through the PCB. The light emitting package has a light source and a lead, and is disposed on the PCB. The light emitting package has a stepped portion having predetermined height. The stepped portion is disposed in the hole formed through the PCB. Thus, a thickness of the light-emitting module may be decreased, reliability of the light-emitting module may be enhanced, and thus a thickness and a bezel of a display apparatus may be decreased.
    Type: Grant
    Filed: October 16, 2012
    Date of Patent: July 14, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jung-Hyun Kim, Young-Min Park, Seok-Won Kang, Young-Hye Son
  • Publication number: 20150186093
    Abstract: A method for controlling an electronic device electronically and functionally connectable to a cover is provided. The method includes detecting a position of the cover according to one of opening and closing of the cover and controlling one of a first display of the electronic device and a second display of the cover according to the detected position of the cover.
    Type: Application
    Filed: December 24, 2014
    Publication date: July 2, 2015
    Inventors: Jung-Hyun KIM, Moon-Soo KIM, Dong-Sub KIM, Hyun-Chang SHIN
  • Publication number: 20150161401
    Abstract: A processor includes a security level determining unit and a variable pipeline. The security level determining unit determines a security level of first data to be processed by the processor. The variable pipeline receives the first data, generates original data by performing a decryption operation on the first data during a total number of one or more clock cycles corresponding to the security level determined by the security level determining unit, and processes the original data.
    Type: Application
    Filed: November 5, 2014
    Publication date: June 11, 2015
    Inventors: Ji-Myung NA, Ki-Hong KIM, Sang-Bum KIM, Jung-Hyun KIM
  • Publication number: 20150153992
    Abstract: An method and apparatus are provided. The method includes, at an apparatus, determining a display mode to present content, selecting, based at least in part on the display mode, a display from a display module comprising a plurality of stacked displays, operatively coupled with the apparatus, and presenting at least a part of the content via the display.
    Type: Application
    Filed: February 6, 2015
    Publication date: June 4, 2015
    Inventors: Jung Hyun KIM, Dong Sub KIM
  • Publication number: 20150154656
    Abstract: Provided is an advertisement service system for providing additional information regarding an item as an advertisement target. The system for providing additional information of an advertisement includes an original advertisement server configured to provide original advertisement content and identification information regarding the original advertisement content, and a processing server configured to generate processed advertisement content by inserting the identification information into the original advertisement content, extract feature information with respect to the original advertisement content, and store at least one of the identification information and the feature information, together with additional information with respect to the original advertisement content.
    Type: Application
    Filed: November 18, 2014
    Publication date: June 4, 2015
    Inventors: Young Suk YOON, Jee Hyun PARK, Jung Hyun KIM, Yong Seok SEO, Won Young YOO, Young Ho SUH
  • Publication number: 20150145573
    Abstract: The present invention relates to a pulse signal generation circuit for changing a pulse width of an input pulse signal and outputting an output pulse signal having the changed pulse width. In an aspect, the pulse signal generation circuit may include a control signal generator configured to generate at least one control signal according to a pulse width of a input pulse signal and a pulse signal generator configured to control a pulse width of an input pulse signal in response to a control signal and to generate an output pulse signal with the controlled pulse width. The control signal controls the pulse width of the output pulse signal.
    Type: Application
    Filed: January 30, 2015
    Publication date: May 28, 2015
    Inventor: Jung-Hyun KIM
  • Patent number: 9036374
    Abstract: There is provided a switching mode power supply having primary and secondary induction coils inductively coupled to each other and converting a voltage applied to the primary induction coil to supply the converted voltage to the secondary induction coil, the switching mode power supply including a power switching unit switching the voltage applied to the primary induction coil, a load information obtaining unit obtaining load information relating to a load connected to the secondary induction coil, a bias current controlling unit controlling a switching driving current based on the load information; and a driving unit driving the power switching unit based on the load information and the switching driving current.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: May 19, 2015
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jung Hyun Kim, Hwan Cho, Byung Hoon Kim
  • Publication number: 20150130746
    Abstract: A manufacturing method of a touch panel includes: forming a graphene electrode on a metal substrate; adhering a transfer film on the graphene electrode; patterning the metal substrate to form electrode wiring; adhering a base substrate under the electrode wiring; and removing the transfer film. In the manufacturing method, the metal layer used when forming the graphene electrode is not removed after forming the graphene, and the metal layer is patterned to be used as the electrode wiring, such that the removal process of the metal layer and the forming process of the electrode wiring are unified into one. Accordingly, in the manufacturing process of the touch panel using the graphene as the transparent electrode, the manufacturing process is simplified.
    Type: Application
    Filed: June 12, 2014
    Publication date: May 14, 2015
    Inventors: Sung-Ki JUNG, Jung-Hyun KIM
  • Publication number: 20150115199
    Abstract: The present description relates to a polymerizable liquid crystal compound, a polymerizable liquid crystal composition including the same, and an optically anisotropic body.
    Type: Application
    Filed: April 19, 2013
    Publication date: April 30, 2015
    Inventors: Dai Seung Choi, Sung Ho Chun, Dong Woo Yoo, Mi Ra Hong, Kyung Chang Seo, Hyeong Bin Jang, Jung Hyun Kim, Min Hyung Lee, Eun Seok Park
  • Publication number: 20150120999
    Abstract: A memory system may include a memory including a cell array having a plurality of word lines and an address storage unit that stores an address in response to a capture command, wherein the memory sequentially refreshes the word lines in response to a refresh command at a set cycle, and refreshes a word line corresponding to the stored address in response to the refresh command when the address is stored in the address storage unit; and a memory controller transmitting the refresh command to the memory at the set cycle when a word line satisfying one or more of conditions that the number of activation times is equal to or more than a reference number and an activation frequency is equal to or more than a reference frequency is detected, and transmitting the capture command and an address of the detected word line to the memory.
    Type: Application
    Filed: December 20, 2013
    Publication date: April 30, 2015
    Applicant: SK hynix Inc.
    Inventors: Jung-Hyun KIM, Ki-Chang KWEAN
  • Patent number: 9018011
    Abstract: Regulatory elements, specifically insulators and transgene constructs containing insulator nucleic acid sequences, are disclosed herein. Methods of using insulators and transgene constructs including insulators to inhibit, delay, or prevent gene silencing are also disclosed herein.
    Type: Grant
    Filed: February 15, 2008
    Date of Patent: April 28, 2015
    Assignee: The United States as represented by the Secretary of the Department of Health and Human Services
    Inventors: Jung-Hyun Kim, Vladimir L. Larionov, Tom Ebersole
  • Publication number: 20150091649
    Abstract: A power amplifier circuit for amplifying an envelope modulated Radio Frequency (RF) signal with improved linearity and efficiency includes a power amplifier, and a variable load matching circuit coupled to an output port of the power amplifier. The input impedance of the variable load matching circuit is changed such that an output power of the power amplifier is at a first output power level, or a second output power level which is higher than the first output power level.
    Type: Application
    Filed: September 30, 2013
    Publication date: April 2, 2015
    Applicant: Avago Technologies General IP (Singapore) Pte. Ltd
    Inventors: Moon-Suk Jeon, Jung-Rin Woo, Sung-Hwan Park, Jung Hyun Kim, Young Kwon
  • Patent number: 8976322
    Abstract: An Active Matrix Organic Light Emitting Diode (AMOLED) display and a method of controlling a display thereof are provided. The AMOLED display includes an input unit, a controller, a display unit for displaying a low power mode screen, by enabling the controller to turn off an AMOLED and to turn on a cholesteric Liquid Crystal Display (LCD) in a low power mode, and for displaying a high picture quality mode screen, by enabling the controller to turn on the AMOLED and to turn off the cholesteric LCD in a high picture quality mode. When used in an indoor environment, the AMOLED display can operate in the high picture quality mode, and when used in an outdoor environment or as an e-book reader, the AMOLED display can operate in the low power mode.
    Type: Grant
    Filed: July 19, 2011
    Date of Patent: March 10, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung Hyun Kim, Dong Sub Kim