Patents by Inventor Woo Nam Jeong
Woo Nam Jeong 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: 9054352Abstract: A solid oxide fuel cell stack with a uniform flow distribution structure and a metal sealing member is provided, in which fuel and air introduced into the solid oxide fuel cell stack are preheated to a predetermined temperature by heat exchangers provided therein and uniformly distributed over the entire anode and cathode reaction surfaces of unit cells to improve the use efficiency of a fuel cell and in which the sealing of the fuel cell stack is effectively maintained even under high temperature and high pressure conditions to ensure the safety of the fuel cell and increase its durability.Type: GrantFiled: March 30, 2013Date of Patent: June 9, 2015Assignee: Korea Institute of Energy ResearchInventors: Sang Keun Dong, Woo Nam Jeong
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Patent number: 8593600Abstract: A method for fabricating a liquid crystal panel includes providing first and second mother substrates having a plurality of panel regions, forming a plurality of array substrates in the plurality of panel regions of the first mother substrate, forming a plurality of color filter substrates in the panel regions of the second mother substrate, forming a first alignment film over the first mother substrate, rubbing the first alignment film covering the first mother substrate, attaching the first and second mother substrates, and cutting the attached mother substrates into a plurality of liquid crystal panels.Type: GrantFiled: December 28, 2006Date of Patent: November 26, 2013Assignee: LG Display Co., Ltd.Inventors: Woo-Nam Jeong, Su-Hyun Park
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Patent number: 8241935Abstract: A method of fabricating a liquid crystal display device having a concave reflector includes forming a switching element on a substrate, the switching element comprising a gate electrode, a semiconductor layer, a source electrode, and a drain electrode, forming a first insulating layer on the substrate including the switching element, forming a plurality of photoresist patterns on the first insulating layer, patterning the first insulating layer to have a concave surface by using the photoresist patterns as masks, and forming a reflector on the first insulating layer having the recessed uneven surface.Type: GrantFiled: December 11, 2003Date of Patent: August 14, 2012Assignee: LG Display Co., Ltd.Inventors: Woo-Nam Jeong, Hye-Young Kim, Joo-Soo Lim, Won-Seok Kang
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Patent number: 7777824Abstract: A liquid crystal display device with a repair structure that facilitates repair of a short circuit or an open circuit. In the device, a gate line is formed on an insulating substrate and a gate electrode is integral to the gate line. A semiconductor layer is formed on the gate electrode with having an insulating film therebetween. A data line is crossed with the gate electrode, and a source electrode is integral to the data line on the semiconductor layer and the gate electrode. A drain electrode is spaced oppositely the source electrode. A protective film has a first contact hole at the drain electrode. A pixel electrode is formed on the protective film and is connected, via the contact hole, to the drain electrode. The pixel electrode has an area overlapped partially with the data line and is spaced from the gate line by a desired length (?) at one or more corners thereof.Type: GrantFiled: December 6, 2004Date of Patent: August 17, 2010Assignee: LG Display Co., Ltd.Inventors: Woo Nam Jeong, Ki Tae Kim, Dong Yeung Kwak
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Patent number: 7567329Abstract: An array substrate for a liquid crystal display device includes: a substrate; a gate line on the substrate; a data line crossing the gate line to define a pixel region including a transmissive portion and a reflective portion, the data line being divided into first and second branch lines, the first and second branch lines being spaced apart from each other and disposed in the reflective portion of the adjacent pixel regions, respectively; a thin film transistor connected to the gate line and the data line; a reflective electrode corresponding to the reflective portion and covering the first and second branch lines; and a transparent electrode corresponding to the transmissive portion and connected to the reflective electrode.Type: GrantFiled: June 5, 2006Date of Patent: July 28, 2009Assignee: LG Display Co., Ltd.Inventors: Woo-Nam Jeong, Hyun-Suk Jin, Won-Seok Kang
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Publication number: 20080043175Abstract: A method for fabricating a liquid crystal panel includes providing first and second mother substrates having a plurality of panel regions, forming a plurality of array substrates in the plurality of panel regions of the first mother substrate, forming a plurality of color filter substrates in the panel regions of the second mother substrate, forming a first alignment film over the first mother substrate, rubbing the first alignment film covering the first mother substrate, attaching the first and second mother substrates, and cutting the attached mother substrates into a plurality of liquid crystal panels.Type: ApplicationFiled: December 28, 2006Publication date: February 21, 2008Applicant: LG.PHILIPS LCD CO., LTD.Inventors: Woo-Nam Jeong, Su-Hyun Park
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Patent number: 7242452Abstract: A reflective liquid crystal display device and a fabricating method thereof are disclosed in the present invention. The reflective liquid crystal display device includes a substrate having a pixel region, a gate line on the substrate, a thin film transistor connected to the gate line and the data line, the thin film transistor having a gate electrode, an active layer, and source and drain electrodes, first and second reflective electrodes connected to the drain electrode, the first and second reflective electrodes completely covering the data line and separated by a gap, and a data line crossing the gate line, wherein the data line has a bent shape including first, second, and third portions, and the first portion parallel to the gate line connects the second and third portions, and the second and third portions are formed under the first and second reflective electrodes, respectively.Type: GrantFiled: April 23, 2003Date of Patent: July 10, 2007Assignee: LG.Philips LCD Co., Ltd.Inventors: Woo-Nam Jeong, Hyun-Suk Jin, Yong-Jin Cho
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Patent number: 7179394Abstract: A method for manufacturing a liquid crystal display to prevent seal opening and perform a Tape Automated Bonding (TAB) repair process. The method includes depositing an organic passivation layer on an entire area of a lower substrate where TFTs, data bus lines and data pads are formed, forming contact holes on source/drain electrodes, removing the organic passivation layer from a data pad area and a gate pad area, and using the organic passivation layer with contact holes as a mask, wherein the gate pad area is opened, and forming a reflection electrode or a pixel electrode on the lower substrate.Type: GrantFiled: December 30, 2003Date of Patent: February 20, 2007Assignee: LG.Philips Co., Ltd.Inventors: Dong Guk Kim, Woo Nam Jeong
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Patent number: 7164456Abstract: A liquid crystal display device includes first and second substrates facing and spaced apart from each other, a gate line and a data line on an inner surface of the first substrate, a thin film transistor connected to the gate line and the data line, a passivation layer on the thin film transistor, a pixel electrode on the passivation layer, an organic insulating film on the pixel electrode corresponding to the data line, a reflective electrode on the organic insulating film and connected to the pixel electrode, a black matrix on an inner surface of the second substrate corresponding to the thin film transistor, a common electrode over the black matrix, and a liquid crystal layer between the reflective electrode and the common electrode.Type: GrantFiled: March 26, 2004Date of Patent: January 16, 2007Assignee: LG.Philips LCD Co., LtdInventors: Hyun-Suk Jin, Woo-Nam Jeong
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Publication number: 20060221279Abstract: An array substrate for a liquid crystal display device includes: a substrate; a gate line on the substrate; a data line crossing the gate line to define a pixel region including a transmissive portion and a reflective portion, the data line being divided into first and second branch lines, the first and second branch lines being spaced apart from each other and disposed in the reflective portion of the adjacent pixel regions, respectively; a thin film transistor connected to the gate line and the data line; a reflective electrode corresponding to the reflective portion and covering the first and second branch lines; and a transparent electrode corresponding to the transmissive portion and connected to the reflective electrode.Type: ApplicationFiled: June 5, 2006Publication date: October 5, 2006Inventors: Woo-Nam Jeong, Hyun-Suk Jin, Won-Seok Kang
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Patent number: 7113243Abstract: An In-Plane switching mode liquid crystal display (LCD) device includes: lower and upper substrates; gate and data lines crossing each other on the lower substrate to define a pixel region; a plurality of first common electrodes diverging in the pixel region at fixed intervals; a first pixel electrode in the pixel region between the first common electrodes; second common electrodes and second pixel electrodes on the upper substrate respectively corresponding to the first common electrodes and the first pixel electrodes on the lower substrate; and a liquid crystal layer between the lower and upper substrates.Type: GrantFiled: April 19, 2004Date of Patent: September 26, 2006Assignee: LG.Philips LCD Co., Ltd.Inventors: Woo Nam Jeong, Hyun Suk Jin
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Patent number: 7072012Abstract: An array substrate for a liquid crystal display device includes: a substrate; a gate line on the substrate; a data line crossing the gate line to define a pixel region including a transmissive portion and a reflective portion, the data line being divided into first and second branch lines, the first and second branch lines being spaced apart from each other and disposed in the reflective portion of the adjacent pixel regions, respectively; a thin film transistor connected to the gate line and the data line; a reflective electrode corresponding to the reflective portion and covering the first and second branch lines; and a transparent electrode corresponding to the transmissive portion and connected to the reflective electrode.Type: GrantFiled: March 30, 2004Date of Patent: July 4, 2006Assignee: LG.Philips LCD Co., Ltd.Inventors: Woo-Nam Jeong, Hyun-Suk Jin, Won-Seok Kang
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Patent number: 6940572Abstract: An array substrate for a reflective liquid crystal display device includes: a substrate; a gate line on the substrate; a data line crossing the gate line to define a pixel region; a plurality of convex patterns in the pixel region, each convex pattern having a cross-section with a semicircular shape; an organic insulating layer on the plurality of convex patterns, the organic insulating layer being formed between the gate line and the data line; a thin film transistor connected to the gate line and the data line; an inorganic insulating layer on the organic insulating layer; and a reflective layer on the inorganic insulating layer, the reflective layer having unevenness corresponding to the plurality of convex patterns.Type: GrantFiled: December 23, 2003Date of Patent: September 6, 2005Assignee: LG.Philips LCD Co., Ltd.Inventors: Won-Seok Kang, Woo-Nam Jeong
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Patent number: 6839096Abstract: A liquid crystal display device with a repair structure that facilitates repair of a short circuit or an open circuit. In the device, a gate line is formed on an insulating substrate and a gate electrode is integral to the gate line. A semiconductor layer is formed on the gate electrode with having an insulating film therebetween. A data line is crossed with the gate electrode, and a source electrode is integral to the data line on the semiconductor layer and the gate electrode. A drain electrode is spaced oppositely the source electrode. A protective film has a first contact hole at the drain electrode. A pixel electrode is formed on the protective film and is connected, via the contact hole, to the drain electrode. The pixel electrode has an area overlapped partially with the data line and is spaced from the gate line by a desired length (?) at one or more corners thereof.Type: GrantFiled: August 22, 2000Date of Patent: January 4, 2005Assignee: L.G. Phillips LCD Co., Ltd.Inventors: Woo Nam Jeong, Ki Tae Kim, Dong Yeung Kwak
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Publication number: 20040263749Abstract: An In-Plane switching mode liquid crystal display (LCD) device includes: lower and upper substrates; gate and data lines crossing each other on the lower substrate to define a pixel region; a plurality of first common electrodes diverging in the pixel region at fixed intervals; a first pixel electrode in the pixel region between the first common electrodes; second common electrodes and second pixel electrodes on the upper substrate respectively corresponding to the first common electrodes and the first pixel electrodes on the lower substrate; and a liquid crystal layer between the lower and upper substrates.Type: ApplicationFiled: April 19, 2004Publication date: December 30, 2004Applicant: LG.PHILIPS LCD CO., LTD.Inventors: Woo Nam Jeong, Hyun Suk Jin
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Publication number: 20040227877Abstract: An array substrate for a liquid crystal display device includes: a substrate; a gate line on the substrate; a data line crossing the gate line to define a pixel region including a transmissive portion and a reflective portion, the data line being divided into first and second branch lines, the first and second branch lines being spaced apart from each other and disposed in the reflective portion of the adjacent pixel regions, respectively; a thin film transistor connected to the gate line and the data line; a reflective electrode corresponding to the reflective portion and covering the first and second branch lines; and a transparent electrode corresponding to the transmissive portion and connected to the reflective electrode.Type: ApplicationFiled: March 30, 2004Publication date: November 18, 2004Applicant: LG. Philips LCD Co., Ltd.Inventors: Woo-Nam Jeong, Hyun-Suk Jin, Won-Seok Kang
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Publication number: 20040201800Abstract: A liquid crystal display device includes first and second substrates facing and spaced apart from each other, a gate line and a data line on an inner surface of the first substrate, a thin film transistor connected to the gate line and the data line, a passivation layer on the thin film transistor, a pixel electrode on the passivation layer, an organic insulating film on the pixel electrode corresponding to the data line, a reflective electrode on the organic insulating film and connected to the pixel electrode, a black matrix on an inner surface of the second substrate corresponding to the thin film transistor, a common electrode over the black matrix, and a liquid crystal layer between the reflective electrode and the common electrode.Type: ApplicationFiled: March 26, 2004Publication date: October 14, 2004Applicant: LG.Philips LCD Co., Ltd.Inventors: Hyun-Suk Jin, Woo-Nam Jeong
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Publication number: 20040152320Abstract: A method for manufacturing a liquid crystal display to prevent seal opening and perform a Tape Automated Bonding (TAB) repair process. The method includes depositing an organic passivation layer on an entire area of a lower substrate where TFTs, data bus lines and data pads are formed, forming contact holes on source/drain electrodes, removing the organic passivation layer from a data pad area and a gate pad area, and using the organic passivation layer with contact holes as a mask, wherein the gate pad area is opened, and forming a reflection electrode or a pixel electrode on the lower substrate.Type: ApplicationFiled: December 30, 2003Publication date: August 5, 2004Inventors: Dong Guk Kim, Woo Nam Jeong
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Publication number: 20040135943Abstract: An array substrate for a reflective liquid crystal display device includes: a substrate; a gate line on the substrate; a data line crossing the gate line to define a pixel region; a plurality of convex patterns in the pixel region, each convex pattern having a cross-section with a semicircular shape; an organic insulating layer on the plurality of convex patterns, the organic insulating layer being formed between the gate line and the data line; a thin film transistor connected to the gate line and the data line; an inorganic insulating layer on the organic insulating layer; and a reflective layer on the inorganic insulating layer, the reflective layer having unevenness corresponding to the plurality of convex patterns.Type: ApplicationFiled: December 23, 2003Publication date: July 15, 2004Inventors: Won-Seok Kang, Woo-Nam Jeong
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Publication number: 20040125288Abstract: A method of fabricating a liquid crystal display device having a concave reflector includes forming a switching element on a substrate, the switching element comprising a gate electrode, a semiconductor layer, a source electrode, and a drain electrode, forming a first insulating layer on the substrate including the switching element, forming a plurality of photoresist patterns on the first insulating layer, patterning the first insulating layer to have a concave surface by using the photoresist patterns as masks, and forming a reflector on the first insulating layer having the recessed uneven surface.Type: ApplicationFiled: December 11, 2003Publication date: July 1, 2004Applicant: LG.Philips LCD Co. Ltd.Inventors: Woo-Nam Jeong, Hye-Young Kim, Joo-Soo Lim, Won-Seok Kang