Patents by Inventor Jeom Jae Kim
Jeom Jae Kim 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).
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Patent number: 6791647Abstract: A multi-domain liquid crystal display device comprises first and second substrates facing each other; a liquid crystal layer between the first and second substrates; a plurality of gate bus lines arranged in a first direction on the first substrate and a plurality of data bus lines arranged in a second direction on the first substrate to define a plurality of pixel region; a thin film transistor positioned at a crossing area of the data bus line and the gate bus line, the thin film transistor comprising a gate electrode, a semiconductor layer, and source/drain electrodes; a common-auxiliary electrode comprising at least one electrode in the each pixel region; a plurality of pixel electrodes electrically charged through the thin film transistor; and an alignment layer on at least one substrate between the first and second substrates.Type: GrantFiled: June 21, 2000Date of Patent: September 14, 2004Assignee: LG Philips LCD Co., Ltd.Inventors: Jeom Jae Kim, Doo Hyun Ko, Joun Ho Lee, Jong Soon Kim, Jong Hwan Kim, Young Woo Cho, Mi Kyung Chu
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Patent number: 6750935Abstract: A multi-domain liquid crystal display device includes first and substrates facing each other and a liquid crystal layer between the first and second substrates. A plurality of gate bus lines are arranged in a first direction on the first substrate and a plurality of data bus lines arranged in a second direction on the first substrate to define a pixel region. A pixel electrode is electrically charged through the data bus line in the pixel region. A common-auxiliary electrode surrounds the pixel electrode on a same layer whereon the gate bus line is formed.Type: GrantFiled: December 3, 2002Date of Patent: June 15, 2004Assignee: LG.Philips LCD Co., Ltd.Inventors: Seong Moh Seo, Hyun Ho Shin, Kyeong Jin Kim, Yun Bok Lee, Jeom Jae Kim
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Patent number: 6614500Abstract: An active panel of a liquid crystal display having a thin film transistor and a pixel electrode arranged in a matrix pattern has a double gate us line. On a substrate, a gate bus line, a gate electrode and a gate pad are formed using a first metal such as aluminum having low electrical resistance and a second metal such as chromium having surface stability. Then, a dummy source bus line and a dummy source pad are formed prior to forming a source bus line and a source pad so as to eliminate line disconnection due to the cracks thereof and to thereby reduce the defects of the active panel and the increase production yield of the manufacturing process.Type: GrantFiled: March 11, 2002Date of Patent: September 2, 2003Assignee: LG Philips LCD Co., Ltd.Inventor: Jeom Jae Kim
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Patent number: 6590551Abstract: An apparatus and method for driving scanning lines of a liquid crystal panel for reducing generation of flickers appearing on the image displayed by the liquid panel due to misalignments in the liquid crystal panel. The apparatus includes a driving unit for selectively generating a first scan signal or a second scan signal based on control signals to drive the plurality of scanning lines, where one of the control signals indicates whether or not at least one of the TFTs of the liquid crystal panel is misaligned. The driving unit can includes a driving IC chip, or a driving IC chip and a switch.Type: GrantFiled: November 5, 1998Date of Patent: July 8, 2003Assignee: LG Electronics Inc.Inventor: Jeom Jae Kim
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Patent number: 6587176Abstract: A display device having a display region with a plurality of data lines, a pad region with a plurality of pads that electrically connect to terminal lines, a wiring region with a plurality of leadout lines that interconnect the terminal lines to the data lines, a plurality of first data drivers, each having N channels that electrically connect to N terminal lines. The display device further includes a second data driver having N channels that connects to M terminal lines, where M is less than N. The first data drivers are spaced apart by equal intervals and each of the first data drivers are centered on N data lines. The second data driver is spaced an interval apart from a first data driver that is less than the intervals between the first data drive circuits.Type: GrantFiled: January 9, 2001Date of Patent: July 1, 2003Assignee: LG.Philips LCD Co., Ltd.,Inventor: Jeom-Jae Kim
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Patent number: 6567150Abstract: A liquid crystal display includes a gate bus line, a gate electrode extending from the gate bus line, and a gate pad placed at an end portion of the gate bus line with a first conductive material formed on a substrate. A first insulating material, an intrinsic semiconductor material, a doped semiconductor material and a second conductive material are sequentially deposited on the gate bus line, the gate electrode, and the gate pad. The second conductive material is patterned to form a source bus line, a source electrode extending from the source bus line, a drain electrode, and a source pad at an end portion of the source bus line. A semiconductor layer, a gate insulating layer, and a gate protecting layer covering a first portion of the gate pad are formed by simultaneously patterning the intrinsic semiconductor material and the first insulating material.Type: GrantFiled: January 4, 2000Date of Patent: May 20, 2003Assignee: LG. Philips LCD Co., Ltd.Inventor: Jeom Jae Kim
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Publication number: 20030086043Abstract: A multi-domain liquid crystal display device includes first and second substrates facing each other and a liquid crystal layer between the first and second substrates. A plurality of gate bus lines are arranged in a first direction on the first substrate and a plurality of data bus lines are arranged in a second direction on the first substrate to define a pixel region. A pixel electrode is electrically charged through the data bus line in the pixel region. A common-auxiliary electrode surrounds the pixel electrode on a same layer whereon the gate bus line is formed.Type: ApplicationFiled: December 3, 2002Publication date: May 8, 2003Inventors: Seong Moh Seo, Hyun Ho Shin, Kyeong Jin Kim, Yun Bok Lee, Jeom Jae Kim
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Publication number: 20020101548Abstract: An active panel of a liquid crystal display having a thin film transistor and a pixel electrode arranged in a matrix pattern has a double gate us line. On a substrate, a gate bus line, a gate electrode and a gate pad are formed using a first metal such as aluminum having low electrical resistance and a second metal such as chromium having surface stability. Then, a dummy source bus line and a dummy source pad are formed prior to forming a source bus line and a source pad so as to eliminate line disconnection due to the cracks thereof and to thereby reduce the defects of the active panel and the increase production yield of the manufacturing process.Type: ApplicationFiled: March 11, 2002Publication date: August 1, 2002Applicant: LG Philips LCD Co., Ltd.Inventor: Jeom Jae Kim
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Publication number: 20020085141Abstract: A liquid crystal display (LCD) including a first substrate and a second substrate. A plurality of gate lines and data lines are formed on the first substrate perpendicular to each other to define a plurality of pixel regions. A thin film transistor is formed for every one pixel. A common electrode is formed on the second substrate. A gate pad, a data pad, and a common electrode pad electrically are connected to each of the gate lines, data lines, and common electrodes respectively. A data on/off pad is formed between adjacent data pads in substantially the same pattern as the data pad for testing a data signal applied to the pixel region. A gate on/off pad is formed between adjacent gate pads in substantially the same pattern as the gate pad for testing a gate signal applied to the pixel region. A common electrode on/off pad is provided for testing a common electrode signal applied to the pixel region.Type: ApplicationFiled: December 27, 2001Publication date: July 4, 2002Inventors: Jeom Jae Kim, Tae Woon Ko
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Publication number: 20020085135Abstract: A liquid crystal display device, and its fabricating method, having a short-preventing structure. The liquid crystal display device includes a substrate having a first electrode. An insulating layer extends over the substrate and first electrode. A short-preventing member that extends over an edge of the first electrode is on the insulating layer. A multiple element metal pattern is on the insulating layer. The short-preventing structure prevents residual material from short circuiting the metal pattern elements.Type: ApplicationFiled: June 27, 2001Publication date: July 4, 2002Inventors: Jeom Jae Kim, Gue Tai Lee, Cheol Woo Park
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Patent number: 6392719Abstract: A liquid crystal display (LCD) device that includes a plurality of gate lines formed at predetermined intervals in one direction and a plurality of data lines formed at predetermined intervals in a direction perpendicular to the plurality of gate lines. The LCD display device also includes a first shorting bar connected to (3n-2)th numbered data lines of the plurality of data lines, a second shorting bar connected to (3n-1)th numbered data lines of the plurality of data lines, and a third shorting bar connected to (3n)th numbered data lines of the plurality of data lines.Type: GrantFiled: May 26, 1998Date of Patent: May 21, 2002Assignee: LG Electronics Inc.Inventor: Jeom Jae Kim
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Patent number: 6373546Abstract: An active panel of a liquid crystal display having a thin film transistor and a pixel electrode arranged in a matrix pattern has a double gate bus line. On a substrate, a gate bus line, a gate electrode and a gate pad are formed using a first metal such as aluminum having low electrical resistance and a second metal such as chromium having surface stability. Then, a dummy source bus line and a dummy source pad are formed prior to forming a source bus line and a source pad so as to eliminate line disconnection due to the cracks thereof and to thereby reduce the defects of the active panel and the increase production yield of the manufacturing process.Type: GrantFiled: July 14, 1997Date of Patent: April 16, 2002Assignee: LG Philips LCD Co., Ltd.Inventor: Jeom Jae Kim
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Publication number: 20010045997Abstract: A liquid crystal display (LCD) device that includes a plurality of gate lines formed at predetermined intervals in one direction and a plurality of data lines formed at predetermined intervals in a direction perpendicular to the plurality of gate lines. The LCD display device also includes a first shorting bar connected to (3n−2)th numbered data lines of the plurality of data lines, a second shorting bar connected to (3n−1)th numbered data lines of the plurality of data lines, and a third shorting bar connected to (3n)th numbered data lines of the plurality of data lines.Type: ApplicationFiled: May 26, 1998Publication date: November 29, 2001Inventor: JEOM JAE KIM
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Publication number: 20010020995Abstract: A display device having a display region with a plurality of data lines, a pad region with a plurality of pads that electrically connect to terminal lines, a wiring region with a plurality of leadout lines that interconnect the terminal lines to the data lines, a plurality of first data drivers, each having N channels that electrically connect to N terminal lines. The display device further includes a second data driver having N channels that connects to M terminal lines, where M is less than N. The first data drivers are spaced apart by equal intervals and each of the first data drivers are centered on N data lines. The second data driver is spaced an interval apart from a first data driver that is less than the intervals between the first data drive circuits.Type: ApplicationFiled: January 9, 2001Publication date: September 13, 2001Inventor: Jeom-Jae Kim
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Patent number: 6246074Abstract: A thin film transistor (TFT) matrix substrate has a testing circuit that can accurately detect the breaks in gate lines and data lines. In a substrate, TFTs are provided to be connected at the intersections of the gate lines and the data lines. A first shorting bar is commonly connected to the gate lines and a second shorting bar is commonly connected to the data lines. A first test pad receives a first test signal to be applied to the first shorting bar and a second test pad receives a first test signal to be applied to the second shorting bar. A third shorting bar is commonly connected to static electricity preventing devices installed at the gate lines and a fourth shorting bar is commonly connected to static electricity preventing devices installed at the data lines. A third test pad allows the second test signal to be applied to the third and fourth shorting during driving testing if the gate lines and the data lines have breaks or damaged.Type: GrantFiled: September 30, 1999Date of Patent: June 12, 2001Assignee: LG.Philips LCD Co., Ltd.Inventors: Jeom Jae Kim, Seog Sang Hyun, Chi Hun Hahm, Ki Tae Kim
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Patent number: 6190934Abstract: A method of manufacturing an active panel results in a gate pad being formed so as to prevent being damaged by a probe pin during an auto probe testing process. An active panel made by the method includes a pad including a first conductive material an insulating layer on the pad, at least one contact hole exposing a portion of the pad, the insulating Layer covering a middle portion of the pad and a pad terminal connected to the pad through the at least one contact hole.Type: GrantFiled: July 2, 1998Date of Patent: February 20, 2001Assignee: LG.Philips LCD Co., Ltd.Inventors: Sung Gu Kang, Jung Chul Huh, Jeom Jae Kim
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Patent number: 6163356Abstract: The method of manufacturing a liquid crystal display includes the step of forming, on a substrate, a gate line, at least one gate electrode branching out of the gate line, and a gate pad disposed at an end portion of the gate line. Then, a gate insulating layer is formed over the substrate and on the gate line, the gate electrode and the gate pad, and a dummy gate pad is formed on the gate insulating layer over at least a portion of the periphery of the gate pad. The dummy gate pad prevents etchant used during the fabrication process of the liquid crystal display from penetrating into the periphery of the gate pad.Type: GrantFiled: July 24, 1997Date of Patent: December 19, 2000Assignee: LG ElectronicsInventors: In-Duk Song, Jeom-Jae Kim, Chul-Ha Chang
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Patent number: 6100949Abstract: A liquid crystal display device includes a plurality of gate lines and a plurality of data lines substantially perpendicular to the gate lines, first and second shorting bars formed respectively in a gate driving IC mounting region and a data driving IC mounting region. A plurality of switching devices are formed between the first shorting bar and respective pad of the gate lines and between the second shorting bar and respective pad of the data lines.Type: GrantFiled: September 15, 1999Date of Patent: August 8, 2000Assignee: LG Electronics Inc.Inventor: Jeom Jae Kim
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Patent number: 6038003Abstract: A liquid crystal display includes a gate bus line, a gate electrode extending from the gate bus line, and a gate pad placed at an end portion of the gate bus line with a first conductive material formed on a substrate. A first insulating material, an intrinsic semiconductor material, a doped semiconductor material and a second conductive material are sequentially deposited on the gate bus line, the gate electrode, and the gate pad. The second conductive material is patterned to form a source bus line, a source electrode extending from the source bus line, a drain electrode, and a source pad at an end portion of the source bus line. A semiconductor layer, a gate insulating layer, and a gate protecting layer covering a first portion of the gate pad are formed by simultaneously patterning the intrinsic semiconductor material and the first insulating material.Type: GrantFiled: June 9, 1998Date of Patent: March 14, 2000Assignee: LG. Philips LCD Co., Ltd.Inventor: Jeom Jae Kim
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Patent number: 6025891Abstract: A liquid crystal display device includes a plurality of gate lines and a plurality of data lines substantially perpendicular to the gate lines, first and second shorting bars formed respectively in a gate driving IC mounting region and a data driving IC mounting region. A plurality of switching devices are formed between the first shorting bar and respective pad of the gate lines and between the second shorting bar and respective pad of the data lines.Type: GrantFiled: November 28, 1997Date of Patent: February 15, 2000Assignee: LG Electronics Inc.Inventor: Jeom Jae Kim