Patents by Inventor Yong-jae Lee

Yong-jae 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: 20110141869
    Abstract: An optical pickup, photodetector, and optical drive adopting the optical pickup are provided. The optical pickup may include a light emitting system having a plurality of light sources corresponding to a plurality of mediums a light receiving system including a photodetector for converting light reflected from a medium into an electrical signal. The photodetector may include first and second light receiving sensors corresponding to the plurality of mediums, each of the first and second light receiving sensors comprising a plurality of regions, each region comprising a plurality of sectors. The plurality of regions of the first and second light receiving sensors may include shared sectors that are shared by the first and second light receiving sensors and exclusive sectors that are exclusively used in the first light receiving sensor or the second light receiving sensor.
    Type: Application
    Filed: December 9, 2010
    Publication date: June 16, 2011
    Applicant: Toshiba Samsung Storage Technology Korea Corporation
    Inventors: Ui-yol KIM, Yong-jae Lee, Pyong-yong Seong, Hong-kuk Kim
  • Publication number: 20110075535
    Abstract: An optical pickup device corresponding to an optical recording medium having a plurality of recording layers, and an optical drive using the device are provided. The optical pickup device includes a collimator lens disposed between an object lens and a light source. The collimator lens adjusts a focal length with respect to the optical recording medium, and the object lens focuses light passing through the collimator lens, on the optical recording medium. The object lens is optically optimized for an upper or second-upper recording layer of the optical recording medium.
    Type: Application
    Filed: September 27, 2010
    Publication date: March 31, 2011
    Applicant: Toshiba Samsung Storage Technology Korea Corporation
    Inventors: Ui-yol KIM, Yong-jae Lee, Pyong-yong Seong
  • Patent number: 7812656
    Abstract: A data driver circuit and a delay-locked loop (DLL) are provided. The data driver circuit and DLL can operate normally in spite of errors, etc., caused when an analog data signal is applied to a display panel. The DLL, which receives a first clock signal and outputs a second clock signal, includes a phase detector for outputting a phase difference signal according to the first clock signal, the second clock signal and at least one delay signal, and a delay line for generating the second clock signal and the delay signal by delaying the first clock signal. Here, the phase difference signal has a value corresponding to a phase difference between the first clock signal and the second clock signal, according to the first clock signal or the second clock signal, and a value corresponding to a case in which there is no phase difference according to the delay signal, and a first delay that is a delay of the second clock signal with respect to the first clock signal changes according to the phase difference signal.
    Type: Grant
    Filed: September 19, 2008
    Date of Patent: October 12, 2010
    Assignee: AnaPass Inc.
    Inventor: Yong-Jae Lee
  • Patent number: 7793790
    Abstract: Provided is a dishwasher. The dishwasher includes a dish rack receiving articles and a bottle rack. The bottle rack includes a rack body detachably coupled to the dish rack and one or more bottle tines coupled to a top portion of the rack body, for receiving articles having a bottle or cup shape.
    Type: Grant
    Filed: March 17, 2006
    Date of Patent: September 14, 2010
    Assignee: LG Electronics Inc.
    Inventor: Yong Jae Lee
  • Publication number: 20100225620
    Abstract: The present invention relates to a display, a timing controller and a data driver for transmitting a serialized multi-level data signal, and more particularly to a display, a timing controller and a data driver for transmitting a serialized multi-level data signal for reducing the number of wirings between the timing controller and the data driver, and for reducing an EMI component. The display of the present invention comprises a display panel, a scan driver, a timing controller and a plurality of data drivers, wherein the timing controller transmits a transmission signal including a serialized data signal to one of the plurality of the data drivers, wherein a level of the data signal is selected from at least four different levels according to a value of a data having a length of at least two bits, and wherein the data driver restores the data from the transmitted transmission signal.
    Type: Application
    Filed: June 20, 2006
    Publication date: September 9, 2010
    Inventor: Yong-Jae Lee
  • Publication number: 20100156882
    Abstract: Provided are a data driving circuit, a display device, and a data driving method. The data driving circuit includes a clock generator configured to generate a clock signal from clock information included in a reception signal including the clock information, mode information and a body, a sampler configured to sample the reception signal according to the clock signal to obtain the mode information and the body that includes at least one of control information and data, a signal controller configured to determine whether or not the body corresponds to the control information with reference to the mode information, and generate a control signal corresponding to the control information according to a result of the determination, and a data driver configured to generate a data signal corresponding to the data according to the control signal.
    Type: Application
    Filed: December 17, 2009
    Publication date: June 24, 2010
    Applicant: ANAPASS INC.
    Inventor: Yong Jae Lee
  • Publication number: 20100156870
    Abstract: Provided are a display device and method. The display device includes a plurality of data driving integrated circuits (ICs) configured to receive reception signals, each of which includes data and load signal information indicating an application starting time point of the data, and apply parallel data signals corresponding to the data at the application starting time points according to the load signal information included in the reception signals, and a display panel configured to display an image according to the parallel data signals, wherein at least two of the data driving ICs apply parallel data signals at different application starting time points.
    Type: Application
    Filed: December 17, 2009
    Publication date: June 24, 2010
    Applicant: Anapass Inc.
    Inventor: Yong Jae Lee
  • Patent number: 7671479
    Abstract: A small portable power pack includes a fuel/air supply for mixing fuel, which is supplied from outside, with outside air, thereby providing mixed gas; a uniflow scavenging micro-engine for receiving mixed gas from the fuel/air supply and igniting mixed gas to explode; a control panel for operating and controlling the uniflow scavenging micro-engine; a capacitor battery for powering the control panel and the uniflow scavenging micro-engine. The portable power pack is easily carried and used without the restriction of spaces and sites.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: March 2, 2010
    Assignee: Korea Institute of Energy Research
    Inventors: Gang-Chul Kim, Yong-Jae Lee, Yong-Dug Pyo, Young-Min Woo, Oh-Seuk Kwon, Jong-Pyo Cho, Hak-Geun Jung, Nam-Jo Jeong, Jong-Huy Kim, Choong-Sik Bae
  • Patent number: 7663984
    Abstract: An optical pickup actuator which includes a base, a blade having an objective lens mounted thereon, a plurality of suspensions supporting the blade to be movable with respect to the base and forming an electroconductive path, and a magnetic circuit driving the blade according to a driving signal applied through the respective suspensions. The magnetic circuit includes a magnet fixed to the base, and a fine pattern coil installed on the blade at a position facing the magnet and having a track pattern coil, a focus pattern coil, and a tilt pattern coil independently driven by current applied through the suspensions and providing driving forces in a track direction, a focus direction, and a tilt direction of the blade.
    Type: Grant
    Filed: January 25, 2007
    Date of Patent: February 16, 2010
    Assignee: Toshiba Samsung Storage Technology Korea Corporation
    Inventors: Sang-yol Yoon, Dae-jong Jang, Young-bin Lee, Yong-jae Lee, Byung-ryul Ryoo, Young-won Lee
  • Publication number: 20090237395
    Abstract: A display device includes a data line, a timing controller configured to apply a transmission signal corresponding to data bits to a data line during an active period in which the data bits are transmitted and apply a transmission clock signal to the data line during a blank period in which the data bits are not transmitted, and a data driver configured to sample the transmission signal (hereinafter, a reception signal) applied through the data line to recover the data bits and drive a display panel according to the recovered data bits. The display device can transmit a clock signal through the data line during the blank period.
    Type: Application
    Filed: March 20, 2009
    Publication date: September 24, 2009
    Inventor: Yong-Jae Lee
  • Publication number: 20090240994
    Abstract: Provided are an apparatus and method for transmitting and receiving data bits. The apparatus includes a transmitter configured to generate a transmission signal corresponding to the data bits and having a periodic transition, a data line configured to transmit the generated transmission signal, and a receiver configured to generate a reception clock signal from the periodic transition of the transmission signal (“reception signal”) transmitted through the data line, sample the reception signal according to the generated reception clock signal to recover the data bits. Accordingly, it is possible to transmit clock information without a clock line separate from the data line.
    Type: Application
    Filed: March 20, 2009
    Publication date: September 24, 2009
    Inventor: Yong-Jae Lee
  • Publication number: 20090096771
    Abstract: A display driving device includes a plurality of data drivers; and a timing controller including a data transmission unit. The data transmission unit transmits data to the data drivers, The data transmission unit controls an electrical signal based on a distance difference between each of the data drivers and the data transmission unit, to reduce distortion of the electrical signal and/or power consumption due to the distance difference, and transmits the controlled electrical signal. The electrical signal corresponds to the data.
    Type: Application
    Filed: October 9, 2008
    Publication date: April 16, 2009
    Inventor: Yong-Jae Lee
  • Publication number: 20090079477
    Abstract: A data driver circuit and a delay-locked loop (DLL) are provided. The data driver circuit and DLL can operate normally in spite of errors, etc., caused when an analog data signal is applied to a display panel. The DLL, which receives a first clock signal and outputs a second clock signal, includes a phase detector for outputting a phase difference signal according to the first clock signal, the second clock signal and at least one delay signal, and a delay line for generating the second clock signal and the delay signal by delaying the first clock signal. Here, the phase difference signal has a value corresponding to a phase difference between the first clock signal and the second clock signal, according to the first clock signal or the second clock signal, and a value corresponding to a case in which there is no phase difference according to the delay signal, and a first delay that is a delay of the second clock signal with respect to the first clock signal changes according to the phase difference signal.
    Type: Application
    Filed: September 19, 2008
    Publication date: March 26, 2009
    Inventor: Yong-Jae Lee
  • Publication number: 20090079719
    Abstract: A data driver circuit and a delay-locked loop (DLL) circuit that can operate normally in spite of errors, etc., caused when an analog data signal is applied to a display panel are provided. The data driver circuit receives a first data signal and a first clock signal and outputs a second data signal to be transmitted to a display panel. The data driver circuit includes a data driver for sampling the first data signal in response to a second clock signal and outputting the second data signal obtained by analog-converting the first data signal, a mask signal generator for generating a mask signal indicating presence within a predetermined time period measured from a point in time at which the second data signal begins to change, and a DLL for generating the second clock signal from the first clock signal.
    Type: Application
    Filed: September 19, 2008
    Publication date: March 26, 2009
    Inventor: Yong-Jae Lee
  • Patent number: 7485955
    Abstract: A variety of non-rectangular IC chips having a stepped or modified periphery or edge profile including one or more recessed or indented peripheral regions are provided for incorporation in modified package configurations, single chip packages and multi-chip assemblies, both stacked and/or planar. In the planar configurations, the recessed regions may be utilized, in cooperation with another appropriately sized IC chip, to increase the packing density of the resulting device. Similarly, in the stacked configuration, the recessed regions may be utilized to provide access to bond pads of lower chips and thereby reduce the need for spacers or peripheral thinning techniques and thereby improve the strength of the resulting assembly and/or reduce the overall height of the stacked structure.
    Type: Grant
    Filed: March 11, 2005
    Date of Patent: February 3, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: In-Ku Kang, Seok Goh, Jin-Ho Kim, Tae-Gyeong Chung, Yong-Jae Lee
  • Publication number: 20080298462
    Abstract: The present invention relates to a decoding circuit for a flat panel display, and more particularly to a decoding circuit for a flat panel display wherein a miniaturization is possible by reducing an area of the circuit. There is provided a decoding circuit comprising: a first decoder for selecting a predetermined number of gradation voltages from a plurality of gradation voltages according to a least significant bit or least significant bits of an image data; a second decoder for selecting one of the selected gradation voltages to be outputted to an output terminal according to a plurality of selection signals; and a third decoder for outputting the plurality of the selection signals according to a most significant bit or most significant bits of the image data, wherein a minimum length of gates of a plurality of MOSFETs included in the first decoder is shorter than that of a plurality of MOSFETS included in the second decoder.
    Type: Application
    Filed: February 10, 2006
    Publication date: December 4, 2008
    Inventor: Yong Jae Lee
  • Publication number: 20080246755
    Abstract: The present invention relates to a display, a column driver integrated circuit, and a multi-level detector, and multi-level detection method, and more particularly to a multi-level detector, multi-level detection method, a display and column driver integrated circuit reducing a possibility of an error by removing the common mode from the received multi-level signal. The present invention provides a multi-level detector including a common mode removing circuit for removing a common mode of a differential multi-level signal, and a first and a second comparators for detecting multi-level using the differential multi-level signal being removed of the common mode.
    Type: Application
    Filed: November 3, 2005
    Publication date: October 9, 2008
    Inventor: Yong-Jae Lee
  • Publication number: 20080246752
    Abstract: The present invention relates to a display, a timing controller and a column driver IC, and more particularly to a display, timing controller and column driver integrated circuit using clock embedded multi-level signaling. The present invention provides a timing controller including a transmitter for transmitting a transmission signal wherein a transmission clock signal is embedded therein between a transmission data signal to have a signal magnitude different from that of the transmission data signal. The present invention also provides a column driver integrated circuit including a receiving unit for separating a clock signal from a received signal using a magnitude of the received signal, and for performing a sampling of a received data signal from the received signal using the separated clock signal.
    Type: Application
    Filed: November 10, 2005
    Publication date: October 9, 2008
    Inventor: Yong-Jae Lee
  • Publication number: 20080224476
    Abstract: A small portable power pack includes a fuel/air supply for mixing fuel, which is supplied from outside, with outside air, thereby providing mixed gas; a uniflow scavenging micro-engine for receiving mixed gas from the fuel/air supply and igniting mixed gas to explode; a control panel for operating and controlling the uniflow scavenging micro-engine; a capacitor battery for powering the control panel and the uniflow scavenging micro-engine. The portable power pack is easily carried and used without the restriction of spaces and sites.
    Type: Application
    Filed: October 31, 2007
    Publication date: September 18, 2008
    Applicant: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Gang-Chul Kim, Yong-Jae Lee, Yong-Dug Pyo, Young-Min Woo, Oh-Seuk Kwon, Jong-Pyo Cho, Hak-Geun Jung, Nam-Jo Jeong, Jong-Huy Kim, Choong-Sik Bae
  • Patent number: 7371984
    Abstract: A button assembly of a dishwasher is provided. The button assembly includes a button portion and a front panel. The button portion has a button head for a user to press and a button body extending down from the button head. A button connecting portion connects a plurality of button bodies, and hence, a plurality of button portions along one piece. The button portion is installed at the rear of the front panel. The front panel has a button window formed therein for inserting the button head therethrough. Because the button portions do not need to be individually mounted using individual springs and fasteners, the assembly process is simplified, and manufacturing cost is reduced.
    Type: Grant
    Filed: October 21, 2005
    Date of Patent: May 13, 2008
    Assignee: LG Electronics Inc.
    Inventors: Yong Jae Lee, Yong Hee Kim