Patents by Inventor Seok Woo Lee

Seok Woo 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).

  • Patent number: 8927993
    Abstract: A method of manufacturing an array substrate for a fringe field switching mode liquid crystal display includes: forming an auxiliary insulating layer on a second passivation layer and having a first thickness; forming first and second photoresist patterns on the auxiliary insulating layer and having second and third thicknesses, respectively, the second thickness greater than the third thickness; etching the auxiliary insulating layer, the second passivation layer and a first passivation layer to form a drain contact hole; performing an ashing to remove the second photoresist pattern and expose the auxiliary insulating layer therebelow; performing a dry etching to remove the auxiliary insulating layer not covered by the first photoresist pattern and expose the first passivation layer and to form an insulating pattern below the first photoresist pattern, the insulating pattern and the first photoresist pattern forming an undercut shape; forming a transparent conductive material layer having a fourth thickness
    Type: Grant
    Filed: May 16, 2013
    Date of Patent: January 6, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: Young-Ki Jung, Seok-Woo Lee, Kum-Mi Oh, Dong-Cheon Shin, In-Hyuk Song, Han-Seok Lee, Won-Keun Park
  • Publication number: 20140306553
    Abstract: A portable electronic device supporting wireless electronic communication comprises a display, at least one sensor device, a protective cover and a processor. The protective cover is mounted to selectively cover portions of the display and the at least one sensor device detects an object located in proximity of the electronic device. The processor controls transmission power in response to detection of the object located in proximity of the electronic device by the sensor device and in response to an operation mode associated with the protective cover.
    Type: Application
    Filed: April 16, 2014
    Publication date: October 16, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventor: Seok-Woo LEE
  • Publication number: 20140114911
    Abstract: There is disclosed a collaboration system using an open public network for providing collaboration services among a plurality of enterprises including a server configured to implement a plurality of processes for the collaboration services; a user terminal connecting to the server via the open public network to restrictedly uses data generated by the processes according to a user permission; and a database configured to store the data generated by the processes, wherein the server implements the processes comprising a project development process, a data change process, a general business process and a collaboration process, and the server restrictedly messages an event generated during the implementation of the processes to the user terminal according to the user permission.
    Type: Application
    Filed: October 23, 2012
    Publication date: April 24, 2014
    Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Hon Zong Choi, Seok Woo Lee, Young Jae Choi, Sung Ho Nam
  • Patent number: 8692750
    Abstract: A liquid crystal display device includes a display region having unit pixels arranged thereon in a matrix, and a driving circuit unit having at least a LDD (Lightly Doped Drain) type TFT and a GOLDD (Gate overlapped Lightly Doped Drain) type TFT.
    Type: Grant
    Filed: May 31, 2005
    Date of Patent: April 8, 2014
    Assignee: LG Display Co., Ltd.
    Inventor: Seok-Woo Lee
  • Patent number: 8688985
    Abstract: Provided is a data security method and apparatus using a characteristic preserving encryption. The data security apparatus includes an interface communicating with a user terminal or a database server, an input unit receiving information, an output unit outputting information, an encryption unit encrypting data in the data security method, a storage unit storing information, and a control unit controlling functions of the interface, the input unit, the output unit, the encryption unit or the storing unit.
    Type: Grant
    Filed: May 7, 2012
    Date of Patent: April 1, 2014
    Assignee: Penta Security Systems Inc.
    Inventors: Duk-Soo Kim, Seok-Woo Lee, Eui-Seok Kim, Tae-Joon Jung
  • Patent number: 8665386
    Abstract: A method for fabricating is provided for a liquid crystal display device capable of decreasing the number of masks used to fabricate a thin film transistor (TFT) by forming an active pattern and a storage electrode by a single mask process, by simultaneously patterning a pixel electrode at the time of a gate line patterning, and by using only an organic insulation layer having a low dielectric constant.
    Type: Grant
    Filed: August 17, 2012
    Date of Patent: March 4, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Young-Joo Kim, Seok-Woo Lee
  • Patent number: 8659710
    Abstract: A liquid crystal display device includes: a first auxiliary line connected to the blocking pattern and below a gate line; a second auxiliary line in each touch block, and located at the same layer as, the first auxiliary line being made of the same material as the gate line; a first connection pattern contacting the first and second auxiliary lines; a common electrode in each touch block; x and y sensing lines on the common line and overlapping the gate and data lines, respectively; a pixel electrode in each pixel region, connected to a drain electrode through a drain contact hole, and including a plurality of openings; and a second connection pattern contacting the first connection pattern and the x sensing line through first and second contact holes, respectively.
    Type: Grant
    Filed: October 14, 2010
    Date of Patent: February 25, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Hee-Sun Shin, Seok-Woo Lee, Kwang-Sik Hwang
  • Patent number: 8553164
    Abstract: A liquid crystal display device includes a p-type driving thin film transistor and an n-type driving thin film transistor in a non-display region, and a pixel thin film transistor connected to a gate line and a data line in a display region. The liquid crystal display device further includes a pixel electrode that covers and directly contacts a third drain electrode of the pixel thin film transistor, a shield pattern that covers and directly contacts each of the first source electrode and the first drain electrode of the p-type driving thin film transistor and the second source electrode and the second drain electrode of the n-type driving thin film transistor, and a shield line that covers and directly contacts the data line and a third source electrode of the pixel thin film transistor.
    Type: Grant
    Filed: September 26, 2012
    Date of Patent: October 8, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Seok Woo Lee, Yung In Park
  • Publication number: 20130248870
    Abstract: A method of manufacturing an array substrate for a fringe field switching mode liquid crystal display includes: forming an auxiliary insulating layer on a second passivation layer and having a first thickness; forming first and second photoresist patterns on the auxiliary insulating layer and having second and third thicknesses, respectively, the second thickness greater than the third thickness; etching the auxiliary insulating layer, the second passivation layer and a first passivation layer to form a drain contact hole; performing an ashing to remove the second photoresist pattern and expose the auxiliary insulating layer therebelow; performing a dry etching to remove the auxiliary insulating layer not covered by the first photoresist pattern and expose the first passivation layer and to form an insulating pattern below the first photoresist pattern, the insulating pattern and the first photoresist pattern forming an undercut shape; forming a transparent conductive material layer having a fourth thickness
    Type: Application
    Filed: May 16, 2013
    Publication date: September 26, 2013
    Inventors: Young-Ki JUNG, Seok-Woo LEE, Kum-Mi OH, Dong-Cheon SHIN, In-Hyuk SONG, Han-Seok LEE, Won-Keun PARK
  • Patent number: 8487859
    Abstract: The present invention discloses a data driving apparatus and method for a liquid crystal display device having a first multiplexer part performing a time-division on inputted digital pixel data, a digital-analog converter part converting the time-divided digital pixel data from the first multiplexer part to analog pixel signals, a demultiplexer part supplying the analog pixel signals from the digital-analog converter part to a plurality of output channels, and an output part sampling and holding first received analog pixel signals from the demultiplexer part and holding second received analog pixel signals and simultaneously outputting both the first and second received pixel signals to corresponding data lines.
    Type: Grant
    Filed: September 22, 2003
    Date of Patent: July 16, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Seok Su Kim, Chang Gone Kim, Gi Suck Kwon, Seok Woo Lee
  • Patent number: 8476807
    Abstract: The present invention relates to a stage, particularly to, a stage which is able to move minutely, having a rigidity-improved transfer part. A stage includes a work table on which a working object is placed, a motor configured to provide a rotational force, a shaft rotated by the motor to transfer the work table, a linear moving part configured to be expandable to linearly move the shaft in an axial direction, the linear moving part having a hollow to insert an end of the shaft therein, and an expanding part configured to be expandable as far as the shaft is moved by the linear moving part.
    Type: Grant
    Filed: April 17, 2009
    Date of Patent: July 2, 2013
    Assignee: Korea Institute of Industrial Technology
    Inventors: Eun Goo Kang, Young Jae Choi, Seok Woo Lee, Sang Moo Lee, Kyung Tae Nam, Sang Hoon Ji
  • Patent number: 8465995
    Abstract: A method of manufacturing an array substrate for a fringe field switching mode liquid crystal display includes: forming an auxiliary insulating layer having a first thickness; forming first and second photoresist patterns on the auxiliary insulating layer; performing an ashing to remove the second photoresist pattern and expose the auxiliary insulating layer therebelow; performing a dry etching to remove the auxiliary insulating layer not covered by the first photoresist pattern and expose a first passivation layer and to form an insulating pattern below the first photoresist pattern, the insulating pattern and the first photoresist pattern forming an undercut shape; forming a transparent conductive material layer having a fourth thickness less than the first thickness; and performing a lift-off process to remove the first photoresist pattern and the transparent conductive material layer thereon together and form a pixel electrode.
    Type: Grant
    Filed: November 21, 2011
    Date of Patent: June 18, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Young-Ki Jung, Seok-Woo Lee, Kum-Mi Oh, Dong-Cheon Shin, In-Hyuk Song, Han-Seok Lee, Won-Keun Park
  • Publication number: 20130001579
    Abstract: A method of manufacturing an array substrate for a fringe field switching mode liquid crystal display includes: forming an auxiliary insulating layer having a first thickness; forming first and second photoresist patterns on the auxiliary insulating layer; performing an ashing to remove the second photoresist pattern and expose the auxiliary insulating layer therebelow; performing a dry etching to remove the auxiliary insulating layer not covered by the first photoresist pattern and expose a first passivation layer and to form an insulating pattern below the first photoresist pattern, the insulating pattern and the first photoresist pattern forming an undercut shape; forming a transparent conductive material layer having a fourth thickness less than the first thickness; and performing a lift-off process to remove the first photoresist pattern and the transparent conductive material layer thereon together and form a pixel electrode.
    Type: Application
    Filed: November 21, 2011
    Publication date: January 3, 2013
    Inventors: Young-Ki JUNG, Seok-Woo LEE, Kum-Mi OH, Dong-Cheon SHIN, In-Hyuk SONG, Han-Seok LEE, Won-Keun PARK
  • Publication number: 20120320299
    Abstract: A method for fabricating is provided for a liquid crystal display device capable of decreasing the number of masks used to fabricate a thin film transistor (TFT) by forming an active pattern and a storage electrode by a single mask process, by simultaneously patterning a pixel electrode at the time of a gate line patterning, and by using only an organic insulation layer having a low dielectric constant.
    Type: Application
    Filed: August 17, 2012
    Publication date: December 20, 2012
    Inventors: Young-Joo KIM, Seok-Woo Lee
  • Publication number: 20120324215
    Abstract: Provided is a data security method and apparatus using a characteristic preserving encryption. The data security apparatus includes an interface communicating with a user terminal or a database server, an input unit receiving information, an output unit outputting information, an encryption unit encrypting data in the data security method, a storage unit storing information, and a control unit controlling functions of the interface, the input unit, the output unit, the encryption unit or the storing unit.
    Type: Application
    Filed: May 7, 2012
    Publication date: December 20, 2012
    Applicant: PENTA SECURITY SYSTEMS INC.
    Inventors: Duk-Soo KIM, Seok-Woo Lee, Eui-Seok Kim, Tae-Joon Jung
  • Patent number: 8289263
    Abstract: There are provided a LED driving apparatus and a liquid crystal display apparatus using the same, in which a circuit configuration of the LED driving apparatus can be simplified and the cost of the LED driving apparatus can be saved in employing a LED as a light source of the liquid crystal display apparatus. The LED driving apparatus comprises a plurality of n LED lamps, constant voltage providing units that provide constant voltages to the plurality of LED lamps, respectively, a Pulse Width Modulation (PWM) control signal providing unit that provides PWM signals to the constant voltage providing units, respectively, and a feedback control unit that receives voltages feedbacked through the plurality of LED lamps, compensating for the voltages as constant voltages suitable for constant current driving of each of the LED lamps, and sequentially outputs the constant voltages to the constant voltage providing units, respectively, based on time-dividing.
    Type: Grant
    Filed: December 27, 2006
    Date of Patent: October 16, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Seok Woo Lee, Byoung Chul Kim
  • Patent number: 8269907
    Abstract: A method for fabricating is provided for a liquid crystal display device capable of decreasing the number of masks used to fabricate a thin film transistor (TFT) by forming an active pattern and a storage electrode by a single mask process, by simultaneously patterning a pixel electrode at the time of a gate line patterning, and by using only an organic insulation layer having a low dielectric constant.
    Type: Grant
    Filed: October 2, 2006
    Date of Patent: September 18, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Young-Joo Kim, Seok-Woo Lee
  • Patent number: 8259052
    Abstract: An apparatus and method for driving a liquid crystal display device are disclosed in which the response speed of the liquid crystal can be increased without using a digital memory. The driving apparatus includes a liquid crystal panel with gate lines and data lines arranged perpendicularly to each other, a gate driver that supplies a gate pulse to the gate lines, and a data driver. The data driver samples an input N-bit digital data signal to generate an analog data voltage, generates a modulated data voltage for acceleration of a response speed of the liquid crystal according to an M-bit data value of the sampled digital data signal, mixes the modulated data voltage with the analog data voltage, and supplies the mixed data voltage to the data lines.
    Type: Grant
    Filed: August 15, 2005
    Date of Patent: September 4, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Seok Woo Lee, Nam Hee Kim
  • Publication number: 20120124661
    Abstract: A method of detecting a web application attack is provided. The method includes the steps of when packets forming HTTP traffic are received, a web application firewall recombining the HTTP traffic, analyzing the recombined HTTP traffic and determining whether or not the recombined HTTP traffic includes the attack-relevant content, if the recombined HTTP traffic does not include the attack-relevant content, sending the recombined HTTP traffic to a web server or a user server and normally processing the recombined HTTP traffic, and if the recombined HTTP traffic includes the attack-relevant content, detecting the recombined HTTP traffic as an attack and reprocessing the same.
    Type: Application
    Filed: September 7, 2010
    Publication date: May 17, 2012
    Applicant: Penta Security Systems, Inc.
    Inventors: Seok Woo Lee, Duk Soo Kim, Young In Park, Hae Min Park
  • Patent number: RE44198
    Abstract: A method of providing a point-to-multipoint service in a mobile communication system and transmission controlling method thereof are disclosed, by which a better quality of a point-to-multipoint service can be provided in a manner of coping with time-variable channel situation variable adaptively. In a mobile communication system providing a point-to-multipoint service, the present invention includes the steps of receiving data for the point-to-multipoint service from a base station, measuring a reception quality for the received point-to-multipoint service data, and transmitting reception quality information for the point-to-multipoint service data to the base station.
    Type: Grant
    Filed: June 26, 2006
    Date of Patent: May 7, 2013
    Assignee: LG Electronics Inc.
    Inventors: Jong Hoe An, Seok Woo Lee, Young Woo Yun, Ki Jun Kim, Young Jun Kim, Chan Ho Kyung, Young Cheul Yoon, Sang Gook Kim, Li-Hsiang Sun, Shu Wang