Patents by Inventor Tai To Lee

Tai To 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).

  • Method of manufacturing an array substrate for LCD device having doubled-layered metal structure
    Patent number: 8432503
    Abstract: A method of forming an array substrate for a LCD device includes patterning a first metal layer and a first barrier metal layer to form a gate electrode, a gate line and a gate pad; forming a gate insulation layer to cover the gate electrode, line and pad; forming an active layer, an ohmic contact layer, a second barrier metal layer and a second metal layer including a copper (Cu) layer on the gate insulation layer; patterning the second metal layer and the second barrier metal layer by a first etching process; patterning an exposed portion of the second metal layer and the second barrier metal layer and ohmic contact layer to form source and drain electrodes each having a double layered structure of the second barrier metal layer and the second metal layer; and forming a pixel electrode on a passivation layer formed on the source and drain electrodes.
    Type: Grant
    Filed: May 4, 2011
    Date of Patent: April 30, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Won-Ho Cho, Gyoo-Chul Jo, Gue-Tai Lee, Jin-Gyu Kang, Beung-Hwa Jeong, Jin-Young Kim
  • Color calibrating method, color calibrating circuit and display apparatus
    Patent number: 8421826
    Abstract: A color calibrating method includes receiving a color signal wherein the color signal is associated with a set of minimum brightness voltages and a set of maximum brightness voltages, analyzing a distribution of the set of the minimum brightness voltages and a voltage distribution of the set of the maximum brightness voltages to obtain a first distribution curve and a second distribution curve, and adjusting a maximum value of the first distribution curve to a first target value and adjusting a maximum value of the second distribution curve to a second target value.
    Type: Grant
    Filed: January 23, 2009
    Date of Patent: April 16, 2013
    Assignee: Chimei Innolux Corporation
    Inventors: Ming-Feng Hsieh, Jrong-Cheng Hong, Cheng-Tai Lee
  • Face authentication system and authentication method thereof
    Patent number: 8422746
    Abstract: The present invention relates to a face authentication system and an authentication method thereof.
    Type: Grant
    Filed: June 23, 2009
    Date of Patent: April 16, 2013
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Kyoung Tai Lee
  • Wound closure assisting and maintaining apparatus
    Patent number: 8353919
    Abstract: Provided is a wound closure assisting and maintaining apparatus that can be attached to a wide open wound of a patient and can stretch skin around the wound gradually to achieve the wound closure and maintain the wound closure during most critical postoperative period. The apparatus includes: a loop suture being threaded through skin; a tightening member for gathering both ends of the threaded loop suture at one point and for exerting a pressure of wound tightening force evenly on skin; a pulling member for pulling the loop suture in order to tighten the threaded loop suture; a housing member for housing the pulling member and making the loop suture tightened by transformation of a pulling force to a wound tightening force when pulling member pulls the loop suture out of skin; and a locking member for fixing a position of the pulling member to maintain the tightened status.
    Type: Grant
    Filed: June 25, 2004
    Date of Patent: January 15, 2013
    Assignee: LEE, Eui Tai
    Inventors: Eui Tai Lee, Hee Chan Kim, Hwa Ryoung Kim
  • System, method, and recording medium for scheduling packets to be transmitted
    Patent number: 8340080
    Abstract: A system for scheduling packets to be transmitted is provided. The system includes a soft delay bound calculator module and a frame determination module. The soft delay bound calculator module calculates a soft delay bound for a non-real-time packet based on a packet size of the non-real-time packet and a minimum reserved traffic rate of a channel. The frame determination module determines whether a real-time packet must be transmitted at a current frame according to a delay bound, a transmission time, and a possible retransmission time thereof, and whether a non-real-time packet must be transmitted at a current frame according to a soft delay bound, a transmission time, and a possible retransmission time thereof. Thus, it is possible to improve the performance of the system while keeping the QoS thereof in a mixed service environment.
    Type: Grant
    Filed: March 27, 2008
    Date of Patent: December 25, 2012
    Assignee: Institute For Information Industry
    Inventors: Ching-Yao Huang, Chan-jui Chian, Youn-Tai Lee, Yi-Ting Lin
  • Method to generate random and density controllable dot patterns on an optical device
    Patent number: 8310727
    Abstract: A method to generate random and density controllable dot patterns on an optical device includes steps of dividing a 2D domain into multiple cell units; determining dot density in each cell; creating at random initial location of dots in each cell; solving the force operation cut radius of the dot; setting up a residual force; solving the force control parameter in the cell; performing the force operation for the cell; making the dots in the cell to achieve balanced positions after repeated operation; completing the generation of a dot pattern within a 2D domain; and transferring the dot pattern to the optical device by a transfer printing equipment.
    Type: Grant
    Filed: July 23, 2010
    Date of Patent: November 13, 2012
    Assignee: National Applied Research Laboratories
    Inventors: Cheng-Tai Lee, Jee-Gong Chang, Chi-Chuan Hwang
  • Communication apparatus, method, and tangible machine-readable medium thereof for processing ranging interference of an orthogonal frequency division multiplexing signal
    Patent number: 8275079
    Abstract: A communication apparatus, a method, and a tangible machine-readable medium thereof for processing ranging interference of an orthogonal frequency division multiplexing (OFDM) signal. The communication apparatus comprises a receiving unit, a processing unit, and a mask generating unit. The receiving unit receives the OFDM signal having a plurality of OFDM symbols. The processing unit estimates a delay value and an energy value of at least one ranging code according to the OFDM symbols. The mask generating unit generates a mask function according to the delay value and the energy value. Finally, the processing unit synthesizes the ranging interference in the OFDM signal and removes it according to the mask function.
    Type: Grant
    Filed: June 30, 2008
    Date of Patent: September 25, 2012
    Assignee: Institute for Information Industry
    Inventors: Kun-Chien Hung, David W. Lin, Youn-Tai Lee, Yi-Ting Lin
  • Cosmetic composition for skin whitening comprising the extract of as active ingredient
    Patent number: 8268295
    Abstract: Disclosed herein is a skin-whitening cosmetic composition containing an extract of Magnolia sieboldii as an active ingredient. The Magnolia sieboldii extract has an excellent effect of inhibiting tyrosinase activity and melanin production, and the cosmetic composition containing the Magnolia sieboldii extract as an active ingredient has an excellent skin-whitening effect.
    Type: Grant
    Filed: May 2, 2012
    Date of Patent: September 18, 2012
    Assignee: Coreana Cosmetics Co., Ltd.
    Inventors: Ghang Tai Lee, Jung Noh Lee, Song Yi Lee, Seung Ji Lee, Kun Kook Lee
  • COSMETIC COMPOSITION FOR SKIN WHITENING COMPRISING THE EXTRACT OF MAGNOLIA SIEBOLDII AS ACTIVE INGREDIENT
    Publication number: 20120213875
    Abstract: Disclosed herein is a skin-whitening cosmetic composition containing an extract of Magnolia sieboldii as an active ingredient. The Magnolia sieboldii extract has an excellent effect of inhibiting tyrosinase activity and melanin production, and the cosmetic composition containing the Magnolia sieboldii extract as an active ingredient has an excellent skin-whitening effect.
    Type: Application
    Filed: May 2, 2012
    Publication date: August 23, 2012
    Applicant: COREANA COSMETICS CO., LTD.
    Inventors: Ghang Tai LEE, Jung Noh LEE, Song Yi LEE, Seung Ji LEE, Kun Kook LEE
  • ETCHANT FOR ETCHING DOUBLE-LAYERED COPPER STRUCTURE AND METHOD OF FORMING ARRAY SUBSTRATE HAVING DOUBLE-LAYERED COPPER STRUCTURES
    Publication number: 20120202305
    Abstract: An etchant for forming double-layered signal lines and electrodes of a liquid crystal display device includes hydrogen peroxide (H2O2), a phosphate, F-ions, an organic acid having a carboxyl group (—COOH), a copper (Cu) inhibitor, and a hydrogen peroxide (H2O2) stabilizer, wherein each of the double-layered signal lines and electrodes of the liquid crystal display device includes a first layer of one of aluminum (Al), aluminum alloy (Al-alloy), titanium (Ti), titanium alloy (Ti-alloy), tantalum (Ta), and a tantalum alloy (Ta-alloy) and a second layer of copper (Cu).
    Type: Application
    Filed: June 7, 2011
    Publication date: August 9, 2012
    Applicant: LG Display Co., Ltd.
    Inventors: Won-Ho Cho, Gyoo-Chul Jo, Gue-Tai Lee, Jin-Gyu Kang, Beung-Hwa Jeong, Jin-Young Kim
  • Circuits and methods for driving light sources
    Patent number: 8232738
    Abstract: Embodiments in accordance with the present invention provide circuits and methods for driving a light-emitting diode (LED) light source. In one embodiment, a printed circuit board (PCB) includes a bridge rectifier rectifying an AC voltage to a rectified AC voltage, an LED light source, and a first switch coupled to the LED light source in series controlling a current through the LED light source according to a predetermined current reference. The LED light source and the first switch coupled in series receive the rectified AC voltage while the first switch is controlled linearly. The circuit further includes a current path coupled in parallel with the LED light source and an illuminated switch coupled between the AC power source and the bridge rectifier.
    Type: Grant
    Filed: April 28, 2011
    Date of Patent: July 31, 2012
    Assignee: O2Micro, Inc
    Inventors: Sheng Tai Lee, Yung Lin Lin, Chuan Chiung Kuo
  • PORTABLE LIGHTING DEVICE AND METHOD THEREOF
    Publication number: 20120176066
    Abstract: A portable lighting device includes a controller, a power source that provides a voltage, and a load that includes a light emitting diode (LED) light source. The controller receives the voltage and regulates a current of the LED light source based on a sensing signal indicating the voltage of the power source. The controller regulates the current of the LED light source to a first current level if the voltage of the power source is greater than a first voltage level, and to a second current level if the voltage of the power source is less than a second voltage level. The second voltage level is less than the first voltage level. The controller regulates the current of the LED light source to vary according to the sensing signal if the voltage of the power source is between the first voltage level and the second voltage level.
    Type: Application
    Filed: February 20, 2012
    Publication date: July 12, 2012
    Applicant: O2MICRO, INC.
    Inventors: Yung Lin LIN, Sheng-Tai LEE
  • CIRCUITS AND METHODS FOR DRIVING LIGHT SOURCES
    Publication number: 20120126710
    Abstract: Embodiments in accordance with the present invention provide circuits and methods for driving light sources, e.g., a light-emitting diode (LED) light source. In one embodiment, a lamp includes a rectifier rectifying an AC voltage to a rectified AC voltage, an LED light source, and a switch coupled to the LED light source in series controlling a current through the LED light source according to a predetermined current reference. The LED light source and the switch coupled in series receive the rectified AC voltage while the switch is controlled linearly.
    Type: Application
    Filed: November 23, 2010
    Publication date: May 24, 2012
    Inventors: Yung Lin LIN, Ching Chuan KUO, Sheng Tai LEE
  • DUAL-POLARIZED DUAL-FEEDING PLANAR ANTENNA
    Publication number: 20120119954
    Abstract: A dual-polarized dual-feeding planar antenna includes a first substrate, a second substrate and an air layer. The first substrate includes at least one first microstrip and at least one patch electrically connected with each other. The second substrate is disposed on one side of the first substrate and includes a common ground layer, a slot, a first feeding port, a second feeding port and a second microstrip. The slot is disposed corresponding to the patch. The air layer is disposed between the first substrate and the second substrate. The first microstrip is electrically connected to the first feeding port through a conducting wire. The patch couples to the second microstrip via the slot, and the second microstrip is electrically connected to the second feeding port.
    Type: Application
    Filed: June 28, 2011
    Publication date: May 17, 2012
    Applicant: National Central University
    Inventor: TAI-LEE CHEN
  • Base station, subordinated station and transmission method thereof
    Patent number: 8179852
    Abstract: A base station (BS), a subordinated station (SS) and the transmission methods thereof for use in a multi-input multi-output (MIMO) network are provided. The BS stores resource allocation information about the MIMO network and an SS list, and generate a super frame according to the resource allocation information and the SS list. The super frame comprises a pilot pattern which comprises a plurality of pilots and data. The BS and SS both considers the pilot pattern as an identifier of the SS. When there are communications occurred between the BS and the SS, the BS/SS will confirm whether the pilot pattern of the super frame matches the identifier of the SS to reduce interference from other stations in the MIMO network.
    Type: Grant
    Filed: May 5, 2009
    Date of Patent: May 15, 2012
    Assignee: Institute for Information Industry
    Inventors: Yang-Han Lee, Yih-Guang Jan, Ming-Hsueh Chuang, Hsien-Wei Tseng, Jheng-Yao Lin, Wei-Chen Lee, Wei-Chieh Tseng, Hsi-Chun Tseng, Ting-Chien Wang, Po-Jung Lin, Shiann-Tsong Sheu, Yung-Ting Lee, Youn-Tai Lee, Hua-Chiang Yin
  • IMAGE SENSOR MODULE
    Publication number: 20120092552
    Abstract: An image sensor module including: a lower substrate having a plurality of top pads formed on the top surface thereof; an upper substrate that is installed along the edge of the top surface of the lower substrate and has a plurality of connection grooves formed on the inner side surface thereof, each connection groove having a side pad corresponding to each of the top pads of the lower substrate; an image sensor installed on the top surface of the upper substrate; and a connection element that electrically connects the top pads and the side pads.
    Type: Application
    Filed: December 22, 2011
    Publication date: April 19, 2012
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Kyoung-Tai LEE
  • POWER SYSTEMS WITH MULTIPLE POWER SOURCES
    Publication number: 20120091816
    Abstract: In one embodiment, a power system includes a first power source having a first voltage, a second power source having a second voltage, and a controller. The controller is coupled to the first power source and the second power source. The controller compares the first voltage with the second voltage, controls the first power source to charge the second power source via a first switch and a second switch in a charging mode when the first voltage is greater than said second voltage, and controls the second power source to power a load such as a light-emitting diode (LED) light source via the second switch and a third switch in a load-powering mode when the second voltage is greater than the first voltage.
    Type: Application
    Filed: November 4, 2011
    Publication date: April 19, 2012
    Applicant: O2MICRO, INC.
    Inventors: Da LIU, Sheng-Tai LEE, Ju-Yuan HSIAO, Chang-Yi LIN
  • Circuits and methods for driving a load with power factor correction function
    Patent number: 8143800
    Abstract: A circuit for driving a load includes a power line, converter circuitry, and a controller. The power line is operable for providing an input current and an input voltage. The converter circuitry coupled to the power line is operable for converting the input voltage to a regulated voltage to drive the load, and for providing a current detection signal indicating whether a converter current flowing through the converter circuitry drops to a predetermined level. The controller coupled to the converter circuitry is operable for correcting a power factor of the circuit based on the current detection signal and the input voltage such that a waveform of the input current follows a waveform of the input voltage.
    Type: Grant
    Filed: June 17, 2010
    Date of Patent: March 27, 2012
    Assignee: O2Micro, Inc.
    Inventors: Da Liu, Ching-Chuan Kuo, Sheng-Tai Lee
  • Signal modulation apparatus, signal modulation method, and computer program product
    Patent number: 8126081
    Abstract: A signal modulation apparatus, a signal modulation method and a computer program product thereof are provided. The signal modulation apparatus is used in a communication framework consisting of a plurality of communication systems. The communication systems comprise a first communication system having a first antenna and a second communication system having a second antenna. The signal modulation apparatus is configured to generate isolation information to modulate a power of a first antenna according to specification information of the first communication system, specification information of the second communication system, information of the first antenna, information of the second antenna, distance information of the first antenna and the second antenna, and test information.
    Type: Grant
    Filed: November 25, 2008
    Date of Patent: February 28, 2012
    Assignee: Institute for Information Industry
    Inventors: Hua-Chiang Yin, Hsien-Wei Tseng, Yang-Han Lee, Yih-Guang Jan, Yun-Hsih Chou, Ming-Hsueh Chuang, Hsi-Chun Tseng, Chih-Hsiang Tseng, Youn-Tai Lee
  • License plate frame
    Patent number: D680046
    Type: Grant
    Filed: December 17, 2012
    Date of Patent: April 16, 2013
    Inventor: Cheng Tai Lee