Patents by Inventor Sang Yoon Paik
Sang Yoon Paik 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: 9158147Abstract: A liquid crystal display device includes first and second substrates and a liquid crystal layer interposed therebetween; a gate line, a data line and a common line over the first substrate in the display area; a thin film transistor connected to the gate line and the data line; a color filter layer over the thin film transistor; a first passivation layer over the color filter layer; an auxiliary common line, inner common electrodes and pixel electrodes over the first passivation layer, wherein the auxiliary common line includes a vertical portion and a horizontal portion, the inner common electrodes extend from the horizontal portion, and the pixel electrodes alternate the inner common electrodes; a light blocking pattern in the non-display area, wherein the light blocking pattern includes the same materials as the color filter layer.Type: GrantFiled: August 2, 2012Date of Patent: October 13, 2015Assignee: LG Display Co., Ltd.Inventors: Jong-Woo Kim, Chang-Ho Oh, Won-Hyung Yoo, Sang-Yoon Paik, Jun-Ki Kang
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Patent number: 8964153Abstract: An in-plane switching mode liquid crystal display device includes a first substrate and a second substrate, a gate line and a data line crossing each other on the first substrate to define a pixel region, a switching device at a crossing of the gate line and the data line, a pixel electrode and a common electrode on the first substrate for generating an in-plane electric field in the pixel region, a black matrix, a light blocking line, the light blocking line being below the black matrix and above the data line, the light blocking line covering a gap between the data line and the common electrode adjacent to the data line, and a liquid crystal layer formed between the first and second substrates.Type: GrantFiled: June 29, 2005Date of Patent: February 24, 2015Assignee: LG Display Co., Ltd.Inventors: Sang Yoon Paik, Sung-Lim Nam
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Patent number: 8692952Abstract: A liquid crystal display device (LCD) includes a liquid crystal panel displaying an image; a first transparent plate disposed on the liquid crystal panel; a second transparent plate disposed underneath the liquid crystal panel; a support member supporting the second transparent plate and the liquid crystal panel; and a fixing member disposed on the first transparent plate, the fixing member coupled with the support member to fix the liquid crystal panel and the first and second transparent plates in place, and to protect the liquid crystal panel and the first and second transparent plates.Type: GrantFiled: January 10, 2011Date of Patent: April 8, 2014Assignee: LG Display Co., Ltd.Inventors: Hong-Man Moon, Su-Woong Lee, Sang-Yoon Paik
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Patent number: 8467016Abstract: A liquid crystal display panel includes first and second substrates bonded to each other, a liquid crystal layer interposed therebetween, a plurality of first polarization wire grids formed on the first substrate, and a plurality of second polarization wire grids formed on the second substrate.Type: GrantFiled: June 19, 2006Date of Patent: June 18, 2013Assignee: LG Display Co., Ltd.Inventors: Sang Yoon Paik, Sung Lim Nam
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Publication number: 20130033654Abstract: A liquid crystal display device includes first and second substrates and a liquid crystal layer interposed therebetween; a gate line, a data line and a common line over the first substrate in the display area; a thin film transistor connected to the gate line and the data line; a color filter layer over the thin film transistor; a first passivation layer over the color filter layer; an auxiliary common line, inner common electrodes and pixel electrodes over the first passivation layer, wherein the auxiliary common line includes a vertical portion and a horizontal portion, the inner common electrodes extend from the horizontal portion, and the pixel electrodes alternate the inner common electrodes; a light blocking pattern in the non-display area, wherein the light blocking pattern includes the same materials as the color filter layer.Type: ApplicationFiled: August 2, 2012Publication date: February 7, 2013Applicant: LG DISPLAY CO., LTD.,Inventors: Jong-Woo Kim, Chang-Ho Oh, Won-Hyung Yoo, Sang-Yoon Paik, Jun-Ki Kang
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Patent number: 7964326Abstract: A divided exposure method for a photolithography process is disclosed, which uses a mask. The mask for an exposer having a left and right light intensity deviation includes a substrate; a first pattern in a middle of the substrate; and second and third patterns on left and right sides of the first pattern, respectively, wherein the first and second patterns compensate for the left and right light intensity deviation of the exposer.Type: GrantFiled: August 7, 2009Date of Patent: June 21, 2011Assignee: LG Display Co., Ltd.Inventors: Su Woong Lee, Sang Yoon Paik
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Publication number: 20110102703Abstract: A liquid crystal display device (LCD) includes a liquid crystal panel displaying an image; a first transparent plate disposed on the liquid crystal panel; a second transparent plate disposed underneath the liquid crystal panel; a support member supporting the second transparent plate and the liquid crystal panel; and a fixing member disposed on the first transparent plate, the fixing member coupled with the support member to fix the liquid crystal panel and the first and second transparent plates in place, and to protect the liquid crystal panel and the first and second transparent plates.Type: ApplicationFiled: January 10, 2011Publication date: May 5, 2011Applicant: LG DISPLAY CO., LTD.Inventors: Hong-Man Moon, Su-Woong Lee, Sang-Yoon Paik
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Patent number: 7868966Abstract: A liquid crystal display device (LCD) includes a liquid crystal panel displaying an image; a first transparent plate disposed on the liquid crystal panel; a second transparent plate disposed underneath the liquid crystal panel; a support member supporting the second transparent plate and the liquid crystal panel; and a fixing member disposed on the first transparent plate, the fixing member coupled with the support member to fix the liquid crystal panel and the first and second transparent plates in place, and to protect the liquid crystal panel and the first and second transparent plates.Type: GrantFiled: January 10, 2008Date of Patent: January 11, 2011Assignee: LG Display Co., Ltd.Inventors: Hong-Man Moon, Su-Woong Lee, Sang-Yoon Paik
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Patent number: 7852450Abstract: A liquid crystal display device is disclosed that is capable of preventing poor alignment caused by a column spacer to improve the contrast ratio. The liquid crystal display device includes a color filter and column spacers located between a first substrate and a second substrate. The column spacers maintain the cell gap between the first and second substrates. The color filter contains pixels having multiple sub-pixels of different colors. The column spacers in regions of sub-pixels of the same color are randomly formed within the regions.Type: GrantFiled: November 4, 2004Date of Patent: December 14, 2010Assignee: LG. Display Co., Ltd.Inventors: Jeom Jae Kim, Sang Yoon Paik
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Patent number: 7649604Abstract: A liquid crystal display device includes first and second substrates, a liquid crystal layer formed between the first and second substrates, a plurality of pixel regions defined in a matrix configuration on the first substrate, a plurality of gate lines extending along a first direction on the first substrate and dividing each of the pixel regions into first and second pixels that are adjacent to each other along a second direction substantially perpendicular to the first direction, a plurality of data lines extending along the second direction and crossing the gate lines to define the first and second pixel regions together with the gate lines, a plurality of first and second electrodes for generating an in-plane electric field in the first and second pixels regions, and a switching device formed at the crossing the gate and data lines and driving the first and second pixel regions, wherein the switching device includes a gate electrode, a semiconductor layer, and source and drain electrodes, and the drain eType: GrantFiled: December 13, 2005Date of Patent: January 19, 2010Assignee: LG Display Co., Ltd.Inventors: Sang-Yoon Paik, Hong-Man Moon
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Publication number: 20090297958Abstract: A divided exposure method for a photolithography process is disclosed, which uses a mask. The mask for an exposer having a left and right light intensity deviation includes a substrate; a first pattern in a middle of the substrate; and second and third patterns on left and right sides of the first pattern, respectively, wherein the first and second patterns compensate for the left and right light intensity deviation of the exposer.Type: ApplicationFiled: August 7, 2009Publication date: December 3, 2009Inventors: Su Woong Lee, Sang Yoon Paik
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Patent number: 7588869Abstract: A divided exposure method for a photolithography process is disclosed, which uses a mask. The mask for an exposer having a left and right light intensity deviation includes a substrate; a first pattern in a middle of the substrate; and second and third patterns on left and right sides of the first pattern, respectively, wherein the first and second patterns compensate for the left and right light intensity deviation of the exposer.Type: GrantFiled: December 29, 2004Date of Patent: September 15, 2009Assignee: LG Display Co., Ltd.Inventors: Su Woong Lee, Sang Yoon Paik
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Patent number: 7532273Abstract: A liquid crystal display device includes first and second substrates facing each other and having a pixel region; a liquid crystal layer between the first and second substrates; a first polarizer on an outer surface of the second substrate; and a friction reducing layer on an outer surface of the first polarizer.Type: GrantFiled: April 29, 2005Date of Patent: May 12, 2009Assignee: LG Display Co., Ltd.Inventors: Sang-Yoon Paik, Su-Woong Lee, Seung-Jin Hong
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Publication number: 20090104725Abstract: A liquid crystal display device includes first and second substrates bonded to each other, first column spacers on the first substrate, protrusions on the second substrate that contact a center portion of an upper surface of the spacers, respectively, recesses formed in the second substrate surrounding the protrusions, respectively, and a liquid crystal layer between the first and second substrates.Type: ApplicationFiled: December 15, 2008Publication date: April 23, 2009Applicant: LG DISPLAY CO., LTD.Inventors: Sang Yoon Paik, Joon Youp Lee
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Patent number: 7494766Abstract: A method of manufacturing a liquid crystal display device is provided. The method of manufacturing a liquid crystal display device includes performing an overlapping partitioned exposure process in one or two processes selected from a mask process of forming a gate line, a mask process of forming an active layer, a mask process of forming a source/drain electrode and a mask process of forming a contact hole on a passivation layer.Type: GrantFiled: June 30, 2005Date of Patent: February 24, 2009Assignee: LG. Display Co., Ltd.Inventors: Hong Man Moon, Su Woong Lee, Sang Yoon Paik
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Patent number: 7483113Abstract: A liquid crystal display device includes first and second substrates bonded to each other, first column spacers on the first substrate, protrusions on the second substrate that contact a center portion of an upper surface of the spacers, respectively, recesses formed in the second substrate surrounding the protrusions, respectively, and a liquid crystal layer between the first and second substrates.Type: GrantFiled: June 27, 2006Date of Patent: January 27, 2009Assignee: LG Display Co., Ltd.Inventors: Sang Yoon Paik, Joon Youp Lee
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Patent number: 7477341Abstract: A base substrate includes a first liquid crystal display (LCD) panel and a second LCD panel on the base substrate, wherein the second LCD panel contacts the first LCD panel.Type: GrantFiled: June 21, 2004Date of Patent: January 13, 2009Assignee: LG Display Co., Ltd.Inventors: Su-Woong Lee, Joo-Yeon Yun, Sang-Yoon Paik
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Patent number: 7453530Abstract: A liquid crystal display device includes a thin film transistor formed on a substrate, the thin film transistor including a gate electrode; a gate insulation film formed on the gate electrode and the substrate; and a storage capacitor connected to the drain electrode, the storage capacitor being above the gate insulation film.Type: GrantFiled: December 7, 2005Date of Patent: November 18, 2008Assignee: LG Display Co., Ltd.Inventors: Sang Yoon Paik, Joon Youp Lee
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Publication number: 20080129919Abstract: A liquid crystal display device (LCD) includes a liquid crystal panel displaying an image; a transparent plate disposed on the liquid crystal panel; a support member supporting the liquid crystal panel; and a fixing member disposed on the transparent plate, the fixing member coupled with the support member to fix the liquid crystal panel and the transparent plate in place, and to protect the liquid crystal panel and the transparent plate.Type: ApplicationFiled: January 10, 2008Publication date: June 5, 2008Inventors: Hong-Man Moon, Su-Woong Lee, Sang-Yoon Paik
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Patent number: 7349055Abstract: A liquid crystal display device and methodology of fabricating the same includes a picture display part provided on a substrate; a tape carrier package mounted with an integrated circuit to drive the picture display part, the tape carrier package having first pads attached to the substrate; signal lines provided on the substrate to apply signals to the tape carrier package; and second pads having a larger width than the first pads, the second pads being provided on the substrate in such a manner to be connected to the signal lines, and the second pads being connected to the first pads.Type: GrantFiled: June 25, 2004Date of Patent: March 25, 2008Assignee: LG.Philips LCD Co., Ltd.Inventors: Su Woong Lee, Sang Yoon Paik