Patents by Inventor Nam Cho

Nam Cho 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: 20070291195
    Abstract: A liquid crystal display (LCD) device partially or substantially blocks light from a light source from exciting a semiconductor layer. The LCD device includes a substrate, a semiconductor layer, a light-shielding layer, and a light source. The light source directs light toward a lower surface of the substrate. The light-shielding layer is formed between the substrate and the semiconductor layer. Some or all of the light directed towards the semiconductor layer by the light source is blocked by the light-shielding layer.
    Type: Application
    Filed: December 15, 2006
    Publication date: December 20, 2007
    Inventors: Binn Kim, Hyung Cho, Nam Cho
  • Publication number: 20070180853
    Abstract: There is provided a refrigerator. The refrigerator includes a compressor for compressing a refrigerant, a condenser for heat-exchanging the compressed refrigerant with ambient air, an expansion member for expanding the heat-exchanged refrigerant, a condensing pipe interconnecting the condenser and the expansion member, a vaporizer for heat-exchanging the expanded refrigerant with a cooling air in a freezing or cooling chamber, and a suction pipe interconnecting the vaporizer and the compressor and associated with the condensing pipe to allow a heat exchange between the suction pipe and the condensing pipe.
    Type: Application
    Filed: January 2, 2007
    Publication date: August 9, 2007
    Applicant: LG ELECTRONICS INC.
    Inventors: Hyoung LIM, Sung JHEE, Nam CHO
  • Publication number: 20070132700
    Abstract: A gate driver and a method for repairing the same are disclosed. The gate driver includes a shift register including a plurality of stages each having a respective one of a plurality of first output lines; at least one repair line connectable to the first output lines; a storage device to store information therein to identify a position of a certain stage of the plurality of stages; and a repair scan pulse generator to provide repair scan pulses to the repair line based on information stored in the storage device.
    Type: Application
    Filed: June 28, 2006
    Publication date: June 14, 2007
    Inventors: Nam Cho, Soo Yoon
  • Publication number: 20070057959
    Abstract: A display device includes a data modulator for analyzing a gray level of input data, modulating the input data in accordance with the analyzation result, and inserting one of black data and white data along with the modulated data, and a driver for supplying modulation data from the data modulator and the one of black data and white data to a display panel.
    Type: Application
    Filed: June 20, 2006
    Publication date: March 15, 2007
    Applicant: LG. PHILIPS LCD CO., LTD.
    Inventors: Nam Cho, Sung Jo, Dong Kim
  • Publication number: 20070019588
    Abstract: A method and a digital broadcast receiving terminal are provided. The terminal includes a receiving unit, a decoder, a memory, and a controller. The receiving unit receives a digital multimedia broadcast transport stream and the decoder decodes data included in the transport stream. The memory stores system information obtained from a previously received transport stream. The controller provides a signal for controlling an initial broadcast receiving operation of the terminal using information stored in the memory to reduce an initial operating time required for the terminal to receive a broadcast.
    Type: Application
    Filed: July 14, 2006
    Publication date: January 25, 2007
    Inventor: Nam Cho
  • Publication number: 20070001953
    Abstract: A display apparatus is disclosed. The display apparatus includes: a plurality of scan signal lines and a plurality of data signal lines that cross each other; a plurality of pixels formed at each crossing of the scan signal lines and the data signal lines, wherein each of the pixels includes a sub-pixels that display red color, green color, blue color and white color in response to a scan signal from the scan signal lines and a data signal from the data signal lines, wherein the sub-pixels are arranged in a 2×2 matrix; a scan signal driving circuit including a plurality of stages that supplies the scan signal to the scan signal lines; and a data signal driving circuit that supplies the data signal to the data signal lines, wherein the scan signal driving circuit, the pixels, the scan signal lines and the data signal lines are formed on a same substrate.
    Type: Application
    Filed: June 21, 2006
    Publication date: January 4, 2007
    Inventors: Yong Jang, Binn Kim, Nam Cho
  • Publication number: 20060290390
    Abstract: In a gate driver including a plurality of stages sequentially outputting shifted signals, each of the stages includes a first controller for controlling a first node in response to a first scan signal and a second scan signal; a second controller for controlling second and third nodes in response to the first scan signal and a voltage at the first node; and an output unit for selectively outputting one of a plurality of clock signals and a first power supply voltage in response to voltages at the first, second and third nodes, wherein second and third power supply voltages different from each other are switched to be supplied to the second and third nodes.
    Type: Application
    Filed: March 10, 2006
    Publication date: December 28, 2006
    Applicant: LG.PHILIPS LCD CO., LTD.
    Inventors: Yong Jang, Nam Cho, Soo Yoon
  • Publication number: 20060248412
    Abstract: A terminal for receiving digital broadcast signals includes signal receiving components for receiving a digital broadcast signal, and a first error rate detection unit for detecting a first bit error rate (BER) of the digital broadcast signal before the digital broadcast signal is decoded by a decoder. The terminal also includes a second error rate detection unit for detecting a second bit error rate (BER) of the digital broadcast signal after the digital broadcast signal is decoded by the decoder, and a packet error rate detection unit for detecting packet error rate (PER) of the digital broadcast signal. The terminal typically further includes a controller for determining reception quality of the digital broadcast signal based upon a value of the first BER, or the second BER, or the PER. A method for determining signal reception quality includes receiving a digital broadcast signal, detecting the BER, and determining reception quality of the digital broadcast signal based upon a value of the BER.
    Type: Application
    Filed: April 28, 2006
    Publication date: November 2, 2006
    Inventor: Nam Cho
  • Publication number: 20060245525
    Abstract: A receiver for a digital broadcast terminal includes first and second receiving units, each for receiving a digital broadcast signal. Each of the first and second receiving units typically includes an antenna, a tuner, and an analog/digital (A/D) converter. The receiver further includes a control unit configured to determine reception environment based upon the digital broadcast signal, and to selectively operate the first and the second receiving units based upon the reception environment. A method for controlling a digital broadcast receiving terminal includes receiving a digital broadcast signal at first and second receiving units, determining reception environment based upon the digital broadcast signal, and selectively operating the first and second receiving units based upon the reception environment.
    Type: Application
    Filed: April 28, 2006
    Publication date: November 2, 2006
    Inventor: Nam Cho
  • Publication number: 20060145999
    Abstract: A shift register for use with a liquid crystal display device includes a plurality of stages. A stage of the shift register includes a first controller, a second controller and an output buffer. The first controller charges and discharges a first node. The second controller charges and discharges a second node and a third node. The output buffer outputs a first output signal in response to the state of the first node and a second output signal in response to the state of the second and third nodes. The shift register may be adaptive to avoid a malfunction caused by a gate bias stress.
    Type: Application
    Filed: December 6, 2005
    Publication date: July 6, 2006
    Inventors: Nam Cho, Soo Yoon, Min Chun
  • Publication number: 20060139293
    Abstract: A shift register and an LCD device to prevent the deterioration of a transistor by controlling a bias stress are disclosed. The shift register includes a plurality of stages for sequential shift signals, wherein each of the plurality of stages is connected with first and second supplying voltage input lines having opposite phases inversed by at least every frame, a start pulse input line, and at least one clock signal input line in which a phase of a first logic state is shifted in sequence, and a clock signal inputted to the clock signal input line is maintained in a second logic state different from the first logic state during a blanking time between frames.
    Type: Application
    Filed: December 6, 2005
    Publication date: June 29, 2006
    Inventor: Nam Cho
  • Publication number: 20060101488
    Abstract: A method for displaying video information in a digital broadcast receiver during a change from a current channel to a new channel is disclosed. The method is suitable for displaying video information such as an advertisement, information selected by the user, or a program guide.
    Type: Application
    Filed: November 10, 2005
    Publication date: May 11, 2006
    Inventor: Nam Cho
  • Publication number: 20060071899
    Abstract: Backlight intensity is adjusted in a terminal. An adaptation apparatus transmits a visual signal after optimizing brightness or contrast of the visual signal based on the backlight intensity information which is related to the adjusted backlight intensity, so that the user can enjoy digital item with reduced power consumption of the terminal.
    Type: Application
    Filed: April 25, 2003
    Publication date: April 6, 2006
    Applicant: Electrics and Telecommunications Research Insitute
    Inventors: Nae Chang, Jae Kim, Je Nam, Jin Hong, Jin Kim, Nam Cho, Hyoung Kim, Man Kim, Rin Kim, Hae Kim
  • Publication number: 20060017681
    Abstract: An LCD device is disclosed, to minimize the signal distortion by decreasing the instability of voltage in a—Si:H TFT of a gate driving signal output unit, which includes a signal controller for outputting first and second control signals Q and /Q; a pull-up transistor between a clock signal terminal CLK and a gate driving signal output terminal for receiving the first control signal Q, the pull-up transistor having a first gate electrode, a first source electrode and a first drain electrode, wherein the pull-up transistor has an asymmetric structure in a first area of the first source electrode overlapped with the first gate electrode and a second area of the first drain electrode overlapped with the first gate electrode; and a pull-down transistor connected between the gate driving signal output terminal and a ground voltage terminal, wherein the pull-down transistor receives the second control signal.
    Type: Application
    Filed: June 29, 2005
    Publication date: January 26, 2006
    Inventors: Yong Jang, Nam Cho, Min Chun
  • Publication number: 20050266829
    Abstract: A method of communicating data in a mobile communications network is provided. The method comprises recording a voice message for delivery from an initiating device to a terminating device, wherein the initiating device and terminating device are configured to communicate over the mobile communications network; converting the recorded voice message to a text message using a speech-to-text conversion process; and delivering the text message to the terminating device by way of a text messaging service implemented over the mobile communications network for delivering text messages from the initiating device to the terminating device.
    Type: Application
    Filed: April 16, 2004
    Publication date: December 1, 2005
    Inventors: Luc Tran, Nam Cho, Heung Ahn
  • Publication number: 20050180578
    Abstract: An apparatus and method for adapting an audio signal is provided. The apparatus adapts the audio signal to a usage environment including user's characteristic, terminal capacity and user's natural environments responsive to user's adaptation request, to thereby provide the user with a high quality of digital contents efficiently.
    Type: Application
    Filed: April 26, 2003
    Publication date: August 18, 2005
    Inventors: Nam Cho, Jae Kim, Hae Kim, Je Nam, Jin Hong, Man Kim, Hyoung Kim, Rin Kim, Jin Kim
  • Publication number: 20050160760
    Abstract: A refrigerator includes: a refrigerator body having a cooling chamber for storing food items and a mechanic chamber provided at one side thereof; a heat exchanger disposed in the mechanic chamber and performing heat exchanging while a refrigerant passes therethrough; a cross flow fan disposed facing the heat exchanger and blowing air for heat exchange; and a compressor mounted inside the mechanic chamber and compressing a refrigerant. A space for the mechanic chamber can be reduced, and thus, a cooling chamber for keeping food items can be enlarged.
    Type: Application
    Filed: December 3, 2004
    Publication date: July 28, 2005
    Applicant: LG ELECTRONICS INC.
    Inventors: Su-Nam Chae, Moo-Youl Kim, Joon-Hwan Oh, Tae-Hee Lee, Kyeong-Yun Kim, Jang-Seok Lee, Sung Jhee, Nam Cho
  • Publication number: 20050156856
    Abstract: An active matrix display device includes: a display panel having gate lines and data lines defining pixels; a gate driver in the display panel to supply output signals to gate lines of the display panel; and a data driver to supply image signals to data lines of the display panel, wherein the gate driver includes a plurality of shift registers to output signals that are sequentially shifted, each of the shift registers including: a first control part for controlling a first node in response to a first clock signal among a plurality of clock signals; a second control part for controlling second and third nodes in response to the start signal and a second clock signal; and an output part to selectively output one of a third clock signal and a first supply voltage in response to voltages of the first, second, and third nodes, whereby second and third supply voltages, which are different from each other, are switched for application at the second and third nodes.
    Type: Application
    Filed: October 15, 2004
    Publication date: July 21, 2005
    Inventors: Yong Jang, Nam Cho, Soo Yoon
  • Publication number: 20050140597
    Abstract: A flat panel display device and a driving method thereof wherein an input data is modulated to realize accurate color with a single gamma voltage.
    Type: Application
    Filed: April 16, 2004
    Publication date: June 30, 2005
    Inventors: Ha Lee, Nam Cho
  • Publication number: 20050140638
    Abstract: A LCD is adapted to reduce the number of data lines and drive circuits. The LCD can be driven in a dot inversion manner, using a data driver employing column inversion. A gate driver sequentially supplies first and second gate signals to gate lines. First and second switching parts are located in an ith horizontal line and supply video signals from data lines to LC cells by the control of an ith gate line. Third switching parts supply video signals to the cells located in the horizontal line, and are connected to the same data line as the second switching part, and are controlled by the ith and an i?1th gate lines. Fourth switching parts supply video signals to the cells located in the horizontal line and are connected to the same data line as the first switching part, and are controlled by the ith and i?1th gate lines.
    Type: Application
    Filed: April 19, 2004
    Publication date: June 30, 2005
    Inventors: Dai Lee, Han Lee, Nam Cho