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).

  • Publication number: 20080211305
    Abstract: A DC/AC converter circuit structure for driving a plurality of cold cathode fluorescent lamps is described. A common-mode choke is used between the cold cathode fluorescent lamps. The common-mode choke balances the currents respectively flowing through the cold cathode fluorescent lamps.
    Type: Application
    Filed: March 6, 2008
    Publication date: September 4, 2008
    Applicant: O2MICRO INTERNATIONAL LIMITED
    Inventor: Sheng Tai Lee
  • Publication number: 20080207091
    Abstract: The invention provides a slurry composition for polishing color filters. The slurry composition at least includes an abrasive, a buffer solution and an additive. The abrasive is selected from the group consisting of alumina, ceria, magnesia, silica, titania, zirconia, cupric oxide, ferric oxide, zinc oxide and the mixture thereof. The buffer solution is used for adjusting pH to a desired range. The additive is used for stabilizing the polishing composition and also improving the polishing performance.
    Type: Application
    Filed: June 12, 2006
    Publication date: August 28, 2008
    Inventors: Yu-Lung Jeng, Jea-Ju Chu, Chang-Tai Lee, Karl Hensen
  • Publication number: 20080182352
    Abstract: The present invention is an array substrate for use in a liquid crystal display device, which includes a gate electrode, a gate line and a gate pad on a substrate, wherein the gate electrode, the gate line and the gate pad have a double-layered structure consisting of a first metal layer and a first barrier metal layer in series from the substrate, and wherein the first metal is one of aluminum and aluminum alloy; a gate insulation layer on the substrate covering the gate electrode, gate line and gate pad; an active layer and an ohmic contact layer sequentially formed on the gate insulation layer and over the gate electrode; a data line on the gate insulation layer perpendicularly crossing the gate line, source and drain electrodes contacting the ohmic contact layer, and a data pad on the gate insulation layer, wherein the data line, the source and drain electrode and the data pad have a double-layered structure consisting of a second barrier metal layer and a second metal layer of copper; a passivation layer
    Type: Application
    Filed: March 26, 2008
    Publication date: July 31, 2008
    Inventors: Won-Ho Cho, Gyoo-Chul Jo, Gue-Tai Lee, Jin-Gyu Kang, Beung-Hwa Jeong, Jin-Young Kim
  • Publication number: 20080142917
    Abstract: Provided is an image sensor module including a lower substrate having a plurality of electrode pads formed on the outer portion of the top surface thereof; an upper substrate installed on the top surface of the lower substrate, the upper substrate having a window formed in the central portion thereof and a plurality of electrode pads formed on the bottom surface thereof to correspond to the respective electrode pads of the lower substrate, the window exposing the central portion of the top surface of the lower substrate; a conductive member interposed between the electrode pads of the lower substrate and the electrode pads of the upper substrate so as to form a conductive line for electrically connecting the electrode pads; and an image sensor module mounted on the top surface of the upper substrate.
    Type: Application
    Filed: December 11, 2007
    Publication date: June 19, 2008
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kyoung Tai Lee, Seung Man Oh
  • Publication number: 20080144111
    Abstract: A method to generate random and density controllable dot patterns 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; and completing the generation of a dot-pattern within a 2D domain.
    Type: Application
    Filed: October 20, 2006
    Publication date: June 19, 2008
    Inventors: Cheng-Tai Lee, Jee-Gong Chang, Yu-Bin Fang, Chi-Chuan Hwang
  • Publication number: 20080129852
    Abstract: Provided is an image sensor including a wafer; a plurality of light receiving elements provided on the wafer; a color filter provided above the light receiving elements so as to overlap the light receiving elements; an infrared (IR) filter layer provided on the color filter, the IR filter layer having a plane surface parallel to an array direction of the light receiving elements; and a plurality of micro lenses provided on the IR filter layer.
    Type: Application
    Filed: December 4, 2007
    Publication date: June 5, 2008
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Kyoung Tai Lee
  • Publication number: 20080129943
    Abstract: The present invention is an array substrate for use in a liquid crystal display device, which includes a gate electrode, a gate line and a gate pad electrode on a substrate, wherein all of the gate electrode, the gate line and the gate pad electrode have a first barrier metal layer, a first copper layer, and a first out-diffusion film that covers and surrounds the first copper layer. In the liquid crystal display device, the pixel electrode, gate pad terminal and data pad terminal are formed of a transparent conductive material on a passivation layer.
    Type: Application
    Filed: January 29, 2008
    Publication date: June 5, 2008
    Inventors: Won-Ho Cho, Gyoo-Chul Jo, Gue-Tai Lee, Jin-Gyu Kang, Beung-Hwa Jeong, Jin-Young Kim
  • Publication number: 20080117185
    Abstract: A key control apparatus for a portable terminal including a first housing with first and second display units and a second housing with first and second key input units is provided. The key control apparatus allows the functions of the portable terminal to be conveniently implemented. The key control apparatus includes a first key input unit, a second key input unit and a control unit. The first key input unit includes a plurality of touch-sensitive touch keys for implementing given functions, one or more mechanical keys, and a plurality of sensors for sensing the touching of the touch keys and implementing a scroll function. The second key input unit includes a plurality of mechanical keys for implementing given functions or functions corresponding to the keys arranged on the first key input unit. The control unit controls the apparatus so that when a touch key in the first key input unit is touched, a function given to the touch key is implemented.
    Type: Application
    Filed: June 5, 2007
    Publication date: May 22, 2008
    Applicant: Samsung Electronics Co., LTD.
    Inventors: Seng-Tai Lee, Seok-Hyo Park
  • Patent number: 7352417
    Abstract: The present invention is an array substrate for use in a liquid crystal display device, which includes a gate electrode, a gate line and a gate pad electrode on a substrate, wherein all of the gate electrode, the gate line and the gate pad electrode have a first barrier metal layer, a first copper layer, and a first out-diffusion film that covers and surrounds the first copper layer. In the liquid crystal display device, the pixel electrode, gate pad terminal and data pad terminal are formed of a transparent conductive material on a passivation layer.
    Type: Grant
    Filed: June 25, 2004
    Date of Patent: April 1, 2008
    Assignee: LG.Philips LCD Co., Ltd.
    Inventors: Won-Ho Cho, Gyoo-Chul Jo, Gue-Tai Lee, Jin-Gyu Kang, Beung-Hwa Jeong, Jin-Young Kim
  • Publication number: 20080076076
    Abstract: In one embodiment, a method of manufacturing an integrated circuit that comprises forming a circuit layer over a substrate, forming a resist layer on the circuit layer, and subjecting the resist layer to a rework process that includes exposing the resist layer to an organic wash. In another embodiment, the method of manufacturing an integrated circuit comprises forming a circuit layer over a substrate, forming a priming layer on the circuit layer, and subjecting the resist layer to the rework process. The reworking process includes exposing the substrate to a mild plasma ash to substantially remove portions of the resist layer but leave the priming layer.
    Type: Application
    Filed: September 22, 2006
    Publication date: March 27, 2008
    Applicant: Texas Instruments Incorporated
    Inventors: Yaw Samuel Obeng, Yu-Tai Lee, Rajesh Khamankar, April Gurba, Brian Kirkpatrick, Ajith Varghese
  • Publication number: 20080067944
    Abstract: A circuit structure for LCD backlight is disclosed in the present invention. The circuit structure includes an inverter topology, a current balance circuit, and a plurality of loads. The current balance circuit is coupled to the plurality of loads and capable of balancing current of N loads by using N/2-1 balance chokes. The circuit structure may further include a protection circuit which is coupled to the low voltage sides of the plurality of loads. The protection circuit is capable of sensing lamp voltages and providing a feedback signal to a controller. Furthermore, the protection circuit is composed of count-reduced and cost-competitive electronic elements.
    Type: Application
    Filed: November 15, 2006
    Publication date: March 20, 2008
    Inventors: Xiaojun Wang, Sheng-Tai Lee, Youling Li, Da Liu, Ru Guo
  • Patent number: 7345431
    Abstract: A DC/AC converter circuit structure for driving a plurality of cold cathode fluorescent lamps is described. A common-mode choke is used between the cold cathode fluorescent lamps. The common-mode choke balances the currents respectively flowing through the cold cathode fluorescent lamps.
    Type: Grant
    Filed: March 13, 2007
    Date of Patent: March 18, 2008
    Assignee: O2Micro International Limited
    Inventor: Sheng Tai Lee
  • Patent number: 7342636
    Abstract: A liquid crystal display device includes a substrate, a black matrix layer on the substrate and having a first plurality of openings, a color filter layer on the black matrix layer and having a second plurality of openings, and a plurality of column spacers each contacting the substrate through the first plurality and second plurality of openings.
    Type: Grant
    Filed: December 8, 2004
    Date of Patent: March 11, 2008
    Assignee: LG Philips LCD Co., Ltd
    Inventors: Gue-Tai Lee, Soo-Won Seok, Ki-Bok Park
  • Publication number: 20080027484
    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: Application
    Filed: June 25, 2004
    Publication date: January 31, 2008
    Inventors: Eui Tai Lee, Hee Chan Kim, Hwa Ryoung Kim
  • Publication number: 20070286221
    Abstract: A memory management method and a memory architecture for transmitting ultra-wideband (UWB) prioritized channel access (PCA) frames are provided. The method comprises the steps of assigning a pre-load queue to each of a plurality of access categories for storing UWB PCA frames to be transmitted, and, when one of the access categories gains transmission opportunity (TXOP), assigning a common area queue to that access category for storing UWB PCA frames to be transmitted. Moreover, when a UWB PCA frame in one of the pre-load queues reaches a predetermined size, the access category corresponding to the pre-load queue starts its backoff state machine in order to gain the TXOP.
    Type: Application
    Filed: June 13, 2006
    Publication date: December 13, 2007
    Inventors: Mau-Lin Wu, Tung-Hui Lee, Chieh-Hua Chen, Hsin-Pu Chung, Youn-Tai Lee
  • Patent number: 7292266
    Abstract: An image evaluation chart and a method for testing performances of the video equipment using the same. The image evaluation chart includes a resolution inspection area. The resolution inspection area includes a center point located at a center part of the chart, a regular-squared outer line located at outside of the center point, and a plurality of resolution measurement lines symmetrically arranged at right and left sections and upper and lower sections on the basis of the center point. Therefore, the image evaluation chart accurately and efficiently tests all performances, for example, resolution, balance, view angle, distortion, and focus, etc., of video equipment such as a camera by means of one-shot image capture, and provides users with reliable test data.
    Type: Grant
    Filed: December 12, 2003
    Date of Patent: November 6, 2007
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Kyoung-Tai Lee, Hyeong-Jin Yun
  • Patent number: 7277138
    Abstract: An array substrate for a liquid crystal display device includes a gate electrode, a gate line and a gate pad electrode disposed on a substrate, each of the gate electrode, the gate line and the gate pad electrode having a first metal barrier layer, a first copper alloy layer, and a first out-diffusion film, and the first out-diffusion film completely covering, surrounding and contacting entire surfaces of the first copper alloy layer. The array substrate includes a gate insulation layer disposed on the substrate and covering the gate electrode, the gate line and the gate pad electrode. An active layer and an ohmic contact layer are sequentially formed on the gate insulation layer and over the gate electrode. A data line is formed on the gate insulation layer and perpendicularly crosses the gate line. A source electrode and a drain electrode contact the ohmic contact layer.
    Type: Grant
    Filed: June 29, 2004
    Date of Patent: October 2, 2007
    Assignee: LG.Philips LCD Co., Ltd.
    Inventors: Won-Ho Cho, Gyoo-Chul Jo, Gue-Tai Lee, Jin-Gyu Kang, Beung-Hwa Jeong, Jin-Young Kim
  • Patent number: 7258441
    Abstract: The present eye activity monitoring system includes a monitoring apparatus for acquiring the eye image of a user in a closed eye state and an image-processing apparatus for generating an alarm signal based on the eye image. The monitoring apparatus includes an eye mask, an image-sensing unit positioned on the eye mask, a control circuit electrically connected to the image-sensing unit, a transmitting module electrically connected to the control circuit, an antenna electrically connected to the transmitting module and at least on power supply positioned on the eye mask. The image-processing apparatus has a receiving module and an image-processing module. The image-processing module judges the eye status according to the acquired feature of the eye image, and sends a warning alarm to trigger the warning device when an abnormal event occurs.
    Type: Grant
    Filed: June 14, 2004
    Date of Patent: August 21, 2007
    Inventors: Chi Wen Hsieh, Tai Lee Chen, Tai Lang Jong
  • Publication number: 20070149692
    Abstract: A tape backing film is provided, comprising 20 to 80 parts by weight of polyolefin and 20 to 80 parts by weight of EPDM rubber or EPR rubber. The polyolefin comprises 50 to 90% by weight of polyethylene and 50 to 10% by weight of polypropylene.
    Type: Application
    Filed: March 24, 2006
    Publication date: June 28, 2007
    Inventors: Lucky Lee, Tai Lee, Ching Lai, Yan-Sheng Yang
  • Patent number: 7223737
    Abstract: The topical use of glycosides for the treatment of dry eye disorders is disclosed.
    Type: Grant
    Filed: August 10, 2005
    Date of Patent: May 29, 2007
    Assignee: Alcon, Inc.
    Inventors: Victor Ke, legal representative, Tai-Lee Ke, deceased