Patents by Inventor Ki-Chul Shin
Ki-Chul Shin 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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Publication number: 20150268527Abstract: A liquid crystal display includes: a first and second substrates disposed opposite to each other; a gate line and a divided reference voltage line on the first substrate; a gate insulating layer on the gate line and the divided reference voltage line; a semiconductor layer on the gate insulating layer; a data line on the semiconductor layer; a passivation layer on the data line; a pixel electrode on the passivation layer; and a common electrode on the second substrate, where the divided reference voltage line and the data line are connected to a data driving line extension and a divided reference voltage driving line extension at a side of the first substrate, a common voltage driving line extension is at a side of the first substrate, the divided reference, common and data voltage driving line extensions are linearly connected to each other through resistors having different resistances.Type: ApplicationFiled: September 12, 2014Publication date: September 24, 2015Inventors: Oh Jeong KWON, Dong-Chul SHIN, Hyeok Jin LEE, Ki Chul SHIN
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Publication number: 20150241750Abstract: A liquid crystal includes: a gate line which extends substantially in a first direction, a step-down gate line which extends substantially in the first direction; a data line which extends substantially in a second direction and crosses the gate line; a first thin film transistor connected to the gate line and the data line; a second thin film transistor connected to the gate line and the data line; a third thin film transistor connected to the gate line and the second thin film transistor; a reference voltage line connected to the third thin film transistor; a fourth thin film transistor connected to the step-down gate line, the second thin film transistor and the third thin film transistor; and a pixel electrode including first, second and third subpixel electrodes connected to the first, second and third thin film transistors, respectively.Type: ApplicationFiled: September 9, 2014Publication date: August 27, 2015Inventors: Su Jeong KIM, Hoon KIM, Ki Chul SHIN, Ji Phyo HONG
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Publication number: 20150243240Abstract: A liquid crystal display device includes a plurality of pixels disposed on an insulation substrate in a horizontal direction, and including a thin film transistor region and a display area; and a reference voltage line extended along a center of the display area in a direction perpendicular to the horizontal direction. The display area includes a plurality of domains disposed in two rows, a domain in one of the two rows includes a high-gray subpixel area including a high-gray pixel electrode, and a domain in the other of the two rows includes a low-gray subpixel area including a low-gray pixel electrode. The high-gray pixel electrode and the low-gray pixel electrode each include a plurality of unit pixel electrodes, and each unit pixel electrode includes a center electrode having a planar structure and a plurality of minute branches that extend from a side of the center electrode.Type: ApplicationFiled: February 2, 2015Publication date: August 27, 2015Inventors: Jang Wi RYU, Hak Sun CHANG, Ki Chul SHIN
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Publication number: 20150205168Abstract: A liquid crystal display includes: a lower panel electrode including a lower panel unit electrodes; an upper panel electrode including an upper panel unit electrodes facing the lower panel unit electrodes; and a liquid crystal layer disposed between the lower panel electrode and the upper panel electrode, in which the lower panel unit electrode includes a stem portion which defines a boundary between a plurality of sub-regions therein, a center pattern disposed at a center of the stem portion and in which overlaps the sub-regions, and a plurality of micro branch portions which extends from the center pattern, where extending directions of the micro branch portions in different regions are different from each other, and an end portion of the micro branch portions is extended in a direction different from an extending direction thereof.Type: ApplicationFiled: December 16, 2013Publication date: July 23, 2015Applicant: Samsung Display Co., Ltd.Inventors: Jang Wi RYU, Cheol SHIN, Hak Sun CHANG, Ki Chul SHIN, Ho Kil OH
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Patent number: 9087490Abstract: A liquid crystal display includes: a first substrate, a second substrate facing the first substrate, a liquid crystal layer interposed between the first substrate and the second substrate and including liquid crystal molecules, a gate line positioned on the first substrate, a data line positioned on the first substrate and crossing the gate line, a first thin film transistor and a second thin film transistor connected to the gate line and the data line, a third thin film transistor connected to the gate line and the second thin film transistor, a reference voltage line connected to the third thin film transistor, and a pixel electrode including a first subpixel electrode connected to the first thin film transistor and a second subpixel electrode connected to the second thin film transistor.Type: GrantFiled: February 17, 2011Date of Patent: July 21, 2015Assignee: Samsung Display Co., Ltd.Inventors: Su-Jeong Kim, Ki-Chul Shin, Yoon-Jang Kim, Hoon Kim, Hyung-Guel Kim, Joo-Seok Yeom, Jae-Jin Song, Ho-Kil Oh, Jae-Hoon Jung, Kwang-Chul Jung
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Publication number: 20150185511Abstract: A liquid crystal display (LCD) pixel includes a first substrate, a first electrode and a second electrode disposed on the first substrate, an insulation layer configured to overlap at least a portion of the first electrode and the second electrode, a first slit electrode and a second slit electrodes disposed on the insulation layer, a second substrate disposed across from the first substrate, an upper-plate common electrode disposed on the second substrate, and a liquid crystal layer interposed between the slit electrodes and the upper-plate common electrode. The LCD pixel driven by a plurality of regions in which different vertical electric fields are generated based on arrangements of at least one of the first electrode, the second electrode, the first slit electrode, the second slit electrode, and the upper-plate common electrode.Type: ApplicationFiled: October 31, 2014Publication date: July 2, 2015Inventors: Su-Jeong KIM, Hoon Kim, Ki-Chul Shin, Dan-Bi Yang
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Publication number: 20150185541Abstract: A liquid crystal display device includes: a first insulation substrate, a color filter disposed on the first insulation substrate and including a stepped region, a passivation layer disposed on the color filter and including an opening region overlapping with the stepped region, a pixel electrode disposed on the passivation layer including the opening region, a second insulation substrate facing the first insulation substrate, a common electrode disposed on the second insulation substrate and including a cross-shaped cutout, and a liquid crystal layer disposed between the first and second insulation substrates.Type: ApplicationFiled: July 22, 2014Publication date: July 2, 2015Inventors: SE HYUN LEE, HYO JU JUNG, KI CHUL SHIN, HO KIL OH, HAK SUN CHANG
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Publication number: 20150168789Abstract: A liquid crystal display includes a first substrate, a pixel electrode which is disposed on the first substrate and includes a first subpixel electrode which is disposed at a pixel area and includes a plurality of first branch electrodes, and a second subpixel electrode which is separated from the first subpixel electrode, disposed at an outer edge of the pixel area, encloses the first subpixel electrode and includes a plurality of second branch electrodes, a second substrate facing the first substrate, a common electrode disposed on the second substrate, and a liquid crystal layer disposed between the first substrate and the second substrate, where a first voltage applied to the first subpixel electrode is larger than a second voltage applied to the second subpixel electrode.Type: ApplicationFiled: November 14, 2014Publication date: June 18, 2015Inventors: Oh Jeong KWON, Heung Shik PARK, Hyeok Jin LEE, Jae Hong PARK, Dong-Chul SHIN, Su Jin KIM, Ki Chul SHIN, Sung-Jae YUN, Joo Young YOON
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Publication number: 20150168787Abstract: A display device includes: a first insulation substrate; an insulating layer disposed on the first insulation substrate; a pixel electrode including a first subpixel electrode including a first subregion electrode disposed on the insulating layer and a second subregion electrode disposed below the insulating layer, and a second subpixel electrode disposed on the insulating layer, wherein a first voltage is aplied to the first subpixel electrode and a second voltage is applied to the second subpixel; a second insulation substrate facing the first insulation substrate; and a common electrode disposed on the second insulation substrate and configured to receive a common voltage, wherein the second subregion electrode overlaps a portion of the second subpixel electrode.Type: ApplicationFiled: July 16, 2014Publication date: June 18, 2015Inventors: Dan Bi YANG, Hyo Sik KIM, Ki Chul SHIN, Jae Hoon JUNG, Min Ju HAN, Ji Phyo HONG
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Publication number: 20150160517Abstract: A liquid crystal display includes a first substrate, a gate line and a divided reference voltage line on the first substrate, a gate insulating layer in the gate line and the divided reference voltage line, a semiconductor layer on the gate insulating layer, a data line on the semiconductor layer, a passivation layer on the data line, a pixel electrode on the passivation layer, a second substrate corresponding to the first substrate, and a common electrode in the second substrate, where the gate line, the divided reference voltage line, and the data line extend to one side of the first substrate, a divided reference voltage driving line, and a data driving line, respectively, extensions are provided at ends of the divided reference voltage driving line and the data driving line, short spacers are disposed on the extensions, and the short spacers are in contact with the common electrode.Type: ApplicationFiled: August 20, 2014Publication date: June 11, 2015Inventors: Jae Hong PARK, Jin Won KIM, Oh Jeong KWON, Heung Shik PARK, Hyeok Jin LEE, Ki Chul SHIN
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Publication number: 20150145896Abstract: A stereoscopic image display device includes an image compensator, a signal controller, a data driver, and a display panel. The image compensator is configured to convert input image data to revised image data. The revised image data is obtained by compensating for temperature variations of the display panel. The signal controller is configured to output the revised image data. The data driver is configured to receive the revised image data. The display panel includes a plurality of pixels configured to display a left eye image and a right eye image in response to receiving a data voltage from the data driver. The image compensator includes a temperature compensation lookup table selector having a temperature compensation lookup table, and a standard lookup table selector having a standard lookup table and configured to select the revised image data according to correction values selected from the temperature compensation lookup table.Type: ApplicationFiled: July 16, 2014Publication date: May 28, 2015Inventors: HOON KIM, JANG-KUN SONG, HEE SEOP KIM, KI CHUL SHIN
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Publication number: 20150146126Abstract: A liquid crystal display includes an insulation substrate, a plurality of pixels disposed on the insulation substrate, where each pixel has a shape elongated in a horizontal direction, and includes a thin film transistor formation region and a display area; and a reference voltage line extending in a vertical direction along a center of the display area, where the display area includes a single high-gray subpixel area and two low-gray subpixel areas, and the single high-gray subpixel area is positioned between the two low-gray subpixel areas.Type: ApplicationFiled: September 19, 2014Publication date: May 28, 2015Inventors: Cheol SHIN, Hak Sun CHANG, Jang Wi RYU, Jae-Soo JANG, Ki Chul SHIN, Seong Young LEE
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Publication number: 20150116641Abstract: A liquid crystal display, including a lower panel electrode including at least one lower panel unit electrode, an upper panel electrode including at least one upper panel unit electrode facing the at least one lower panel unit electrode, and a liquid crystal layer disposed between the lower panel electrode and the upper panel electrode, wherein the lower panel unit electrode includes a stem part forming borders between a plurality of sub-regions; a center pattern including a plurality of straight line sides respectively disposed at the plurality of sub-regions, and a plurality of fine branch parts extending out from the center pattern, the stem part includes a horizontal stem part and a vertical stem part, and angles that the horizontal stem part and the vertical stem part form with the respective straight line sides of the center pattern are different from each other.Type: ApplicationFiled: May 9, 2014Publication date: April 30, 2015Applicant: Samsung Display Co., Ltd.Inventors: Ho Kil OH, Cheol Shin, Ka Eun Kim, Hyo Ju Jung, Ki Chul Shin
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Publication number: 20150118806Abstract: A liquid crystal display may include a first substrate, a second substrate facing the first substrate, a liquid crystal layer comprising liquid crystal molecules that are interposed between the first substrate and the second substrate, a first electrode disposed on the first substrate, an insulating layer disposed on the first electrode, a second electrode disposed on the insulating layer, a third electrode disposed on the second substrate, and an alignment layer disposed on any one of the second electrode and the third electrode. The second electrode comprises a fine slit structure, and at least one of the liquid crystal layer and the alignment layer comprises a sub-alignment substance.Type: ApplicationFiled: January 2, 2015Publication date: April 30, 2015Inventors: Gak-Seok LEE, Ki Chul Shin, Youn Hak Jeong, Hee Hwan Lee, Joo Seok Yeom
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Publication number: 20150098047Abstract: A liquid crystal display includes a first substrate and a second substrate facing each other, a pixel electrode on the first substrate, a common electrode on the second substrate, and a liquid crystal layer between the first substrate and the second substrate, wherein the common electrode includes a first cutout portion, and the pixel electrode includes a first sub-pixel electrode, a second sub-pixel electrode surrounding the first sub-pixel electrode, a second cutout portion adjacent to at least one of edges of the second sub-pixel electrode and disposed along the edges, and a third cutout portion isolating the first sub-pixel electrode from the second sub-pixel electrode, and the first sub-pixel electrode and the second sub-pixel electrode are located at different heights.Type: ApplicationFiled: March 12, 2014Publication date: April 9, 2015Applicant: Samsung Display Co., Ltd.Inventors: Dong-Chul SHIN, Jae-Hong Park, Ki-Chul Shin, Hyeok-Jin Lee
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Patent number: 8982309Abstract: A liquid crystal display device includes a substrate, a thin film transistor disposed on the substrate, a plurality of color filters disposed on the substrate, a light blocking member disposed between the plurality of color filters and on the thin film transistor, and a pixel electrode disposed on at least one of the plurality of color filters. The pixel electrode comprises a planar shape electrode and a plurality of minute branches extending from the planar shape electrode. The at least one of the plurality of color filters or the light blocking member comprises a step forming portion overlapped by the planar shape electrode.Type: GrantFiled: March 18, 2013Date of Patent: March 17, 2015Assignee: Samsung Display Co., Ltd.Inventors: Jae-Soo Jang, Hak-Sun Chang, Jang Wi Ryu, Ki Chul Shin
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Publication number: 20150070634Abstract: A liquid crystal display includes: a first electrode and a second electrode disposed on a first substrate, the first electrode and the second electrode being disposed at a same layer; a second substrate facing the first substrate; a third electrode and a fourth electrode disposed on the second substrate and disposed at different layers; and a liquid crystal layer including liquid crystal molecules disposed between the first substrate and the second substrate, wherein the first electrode, the second electrode, and the third electrode each include a plurality of branch electrodes, but the fourth electrode does not; and wherein the first electrode is electrically connected to the third electrode.Type: ApplicationFiled: March 5, 2014Publication date: March 12, 2015Applicant: Samsung Display Co., Ltd.Inventors: Jae Hoon JUNG, Ki Chul SHIN, Min Ju HAN, Ji Phyo HONG, Su Jeong KIM, Hoon KIM
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Publication number: 20150062474Abstract: A display panel includes a first pixel electrode electrically connected to a first switching electrode, and includes a plurality of first branches forming micro slits, a second pixel electrode electrically connected to a second switching electrode, and including a plurality of second branches forming micro slits, and a third pixel electrode electrically connected to a third switching electrode, and including a plurality of third branches forming micro slits. The first branches are spaced apart from each other by a first space, and have a first width. The second branches are spaced apart from each other by a second space, and have a second width. The third branches are spaced apart from each other by a third space, and have a third width. At least one of the first width, the second width and the third width is different from the other widths.Type: ApplicationFiled: January 21, 2014Publication date: March 5, 2015Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: KA-EUN KIM, Jang-Wi Ryu, Ho-Kil Oh, Se-Hyun Lee, Ki-Chul Shin
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Publication number: 20150055040Abstract: The present invention relates to a liquid crystal display that can improve an aperture ratio and liquid crystal control ability. A liquid crystal display according to an exemplary embodiment of the present invention includes: a first substrate and a second substrate which face each other; a pixel electrode disposed on the first substrate; a common electrode disposed on the second substrate; and a liquid crystal layer disposed between the first substrate and the second substrate, in which the common electrode has a first cutout having a cross shape, and the pixel electrode includes a first subpixel electrode having a rhombus shape, a second subpixel electrode surrounding the first subpixel electrode, a second cutout disposed close to and along at least one of the edges of the second subpixel electrode, and a third cutout spacing the first subpixel electrode and the second subpixel electrode.Type: ApplicationFiled: April 21, 2014Publication date: February 26, 2015Applicant: Samsung Display Co., Ltd.Inventors: Oh Jeong KWON, Hyeok Jin Lee, Dong-Chul Shin, Jae Hong Park, Sung-Jae Yun, Ki Chul Shin, Seung Wook Nam
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Publication number: 20150055049Abstract: A liquid crystal display includes a first substrate and a second substrate facing each other, a pixel electrode disposed on the first substrate, a storage electrode line which is close to edges of the pixel electrode and spaced apart from the pixel electrode, a common electrode disposed on the second substrate, and a liquid crystal layer disposed between the first substrate and the second substrate, where the common electrode includes a first cutout having a cross shape, and the pixel electrode includes a second cutout which is close to at least one of the edges of the pixel electrode and disposed along the edge.Type: ApplicationFiled: January 8, 2014Publication date: February 26, 2015Applicant: Samsung Display Co., Ltd.Inventors: Oh Jeong KWON, Hyeok Jin LEE, Jae Hong PARK, Heung Shik PARK, Ki Chul SHIN