Patents by Inventor Dhang Kwon
Dhang Kwon 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: 9939693Abstract: The present disclosure relates to a fringe field switching type liquid crystal display. The present disclosure suggests a fringe field switching type liquid crystal display comprising: a substrate; a gate pad disposed on the substrate; a gate insulating layer covering the gate pad; a data pad disposed on the gate insulating layer; a first passivation layer covering the data pad; a common pad disposed on the first passivation layer; a protective metal layer disposed on the common pad; a second passivation layer covering the common pad; a gate contact hole exposing the gate pad; a data contact hole exposing the data pad; and a common contact hole exposing the protective metal layer.Type: GrantFiled: November 28, 2016Date of Patent: April 10, 2018Assignee: LG Display Co., Ltd.Inventors: Dhang Kwon, Jungho Son
-
Patent number: 9817240Abstract: Discussed are a glass patterned retarder stereoscopic 3D display device and a method for fabricating the same. The device is capable of enhancing a viewing angle in upper and lower directions and an aperture ratio by forming light shielding patterns on a rear surface of a color filter substrate. Further, the device is capable of preventing scratches occurring on the light shielding patterns due to a polishing belt, by forming high hardness polymer on the light shielding patterns and removing stair-steps of a rear indium tin oxide (ITO).Type: GrantFiled: November 20, 2012Date of Patent: November 14, 2017Assignee: LG DISPLAY CO., LTD.Inventors: Dhang Kwon, MyoungHo Lee, HangSup Cho, Junghyun Lee
-
Publication number: 20170184926Abstract: The present disclosure relates to a fringe field switching type liquid crystal display. The present disclosure suggests a fringe field switching type liquid crystal display comprising: a substrate; a gate pad disposed on the substrate; a gate insulating layer covering the gate pad; a data pad disposed on the gate insulating layer; a first passivation layer covering the data pad; a common pad disposed on the first passivation layer; a protective metal layer disposed on the common pad; a second passivation layer covering the common pad; a gate contact hole exposing the gate pad; a data contact hole exposing the data pad; and a common contact hole exposing the protective metal layer.Type: ApplicationFiled: November 28, 2016Publication date: June 29, 2017Applicant: LG Display Co., Ltd.Inventors: Dhang KWON, Jungho SON
-
Patent number: 9333700Abstract: Disclosed is an imprinting apparatus and imprinting method using the same that prevent a process of forming a pattern on a substrate from being affected by flatness of a stage. The imprinting apparatus comprises a chamber unit in which a process of forming a pattern on a substrate is carried out; a stage for supporting the substrate on which a resin layer is formed; an installing member positioned above the stage and having a mold member attached to transform the resin layer so as to form the pattern on the substrate; and a first spraying unit for spraying fluid to separate the substrate supported by the stage from the stage, wherein the installing member moves the mold member in the direction getting near to the substrate separated from the stage so that the mold member and the resin layer are brought into contact with each other.Type: GrantFiled: March 18, 2014Date of Patent: May 10, 2016Assignee: LG DISPLAY CO., LTD.Inventors: Doo Hee Jang, Tae Joon Song, Dhang Kwon, Hang Sup Cho, Seong Pil Cho, Ho Su Kim, Jin Hee Jang
-
Patent number: 9055285Abstract: According to a polarized glasses type stereoscopic image display device and a fabrication method thereof in accordance with the present invention, a light blocking pattern may be formed on a rear surface of the color filter substrate to enhance vertical viewing angle and aperture ratio. Moreover a light blocking pattern may be formed of a metal having a large hardness instead of resin BM and a step height from the rear surface ITO may be removed to prevent a scratch due to an abrasive belt.Type: GrantFiled: November 30, 2012Date of Patent: June 9, 2015Assignee: LG DISPLAY CO., LTD.Inventor: Dhang Kwon
-
Patent number: 8858859Abstract: Disclosed are an apparatus and method for fabricating a flat panel display device to realize easy separation of a substrate from an imprinting mold. The apparatus includes an imprinting mold connected to a substrate to form a thin film pattern on the substrate, a first adsorption pad to vacuum-adsorb the center of the imprinting mold, a second adsorption pad to vacuum-adsorb the periphery of the imprinting mold, and a connector connected to vacuum pins to vertically move in different regions of the first and second adsorption pads.Type: GrantFiled: April 15, 2011Date of Patent: October 14, 2014Assignee: LG Display Co., Ltd.Inventors: Tae-Joon Song, Dhang Kwon, Hang-Sup Cho, Seong-Pil Cho, Ho Su Kim, Doo-Hee Jang
-
Publication number: 20140199426Abstract: Disclosed is an imprinting apparatus and imprinting method using the same that prevent a process of forming a pattern on a substrate from being affected by flatness of a stage. The imprinting apparatus comprises a chamber unit in which a process of forming a pattern on a substrate is carried out; a stage for supporting the substrate on which a resin layer is formed; an installing member positioned above the stage and having a mold member attached to transform the resin layer so as to form the pattern on the substrate; and a first spraying unit for spraying fluid to separate the substrate supported by the stage from the stage, wherein the installing member moves the mold member in the direction getting near to the substrate separated from the stage so that the mold member and the resin layer are brought into contact with each other.Type: ApplicationFiled: March 18, 2014Publication date: July 17, 2014Applicant: LG DISPLAY CO., LTD.Inventors: Doo Hee JANG, Tae Joon SONG, Dhang KWON, Hang Sup CHO, Seong Pil CHO, Ho Su KIM, Jin Hee JANG
-
Patent number: 8730436Abstract: Disclosed herein are a liquid crystal display (LCD) device and a method for manufacturing the same, capable of preventing problems (i.e., movement of balls, damage to the surfaces that face spacers upon application of predetermined pressure, and variation in cell gap) associated with the use of the ball spacers. The liquid crystal display device includes a first substrate and a second substrate facing each other, a spacer formed on the first substrate, wherein the spacer includes a plurality of balls and a solid to aggregate the balls together and adhere the balls to the first substrate, a hard coating layer formed on the second substrate facing the spacer, and a liquid crystal layer filled between the first substrate and the second substrate.Type: GrantFiled: April 25, 2012Date of Patent: May 20, 2014Assignee: LG Display Co., Ltd.Inventors: Jun Beom Cho, Hyeon Jin Seo, Jeong Hoon Lee, Dhang Kwon, Hang Sup Cho, Ho Su Kim
-
Patent number: 8728377Abstract: Disclosed is an imprinting apparatus and imprinting method using the same that prevent a process of forming a pattern on a substrate from being affected by flatness of a stage. The imprinting apparatus comprises a chamber unit in which a process of forming a pattern on a substrate is carried out; a stage for supporting the substrate on which a resin layer is formed; an installing member positioned above the stage and having a mold member attached to transform the resin layer so as to form the pattern on the substrate; and a first spraying unit for spraying fluid to separate the substrate supported by the stage from the stage, wherein the installing member moves the mold member in the direction getting near to the substrate separated from the stage so that the mold member and the resin layer are brought into contact with each other.Type: GrantFiled: May 13, 2011Date of Patent: May 20, 2014Assignee: LG Display Co., Ltd.Inventors: Doo Hee Jang, Tae Joon Song, Dhang Kwon, Hang Sup Cho, Seong Pil Cho, Ho Su Kim, Jin Hee Jang
-
Patent number: 8728331Abstract: A method of fabricating an imprint mold is disclosed. The method includes: forming a first photo resist pattern on a substrate; etching the substrate using the first photo resist pattern as an etch mask to form a first pattern in the substrate; ashing the first photo resist pattern to form a second photo resist pattern; and etching the substrate using the second photo resist pattern to form a second pattern derived from the substrate and a third pattern derived from the first pattern.Type: GrantFiled: December 7, 2010Date of Patent: May 20, 2014Assignee: LG Display Co., Ltd.Inventors: Doo Hee Jang, Dhang Kwon, Hang Sup Cho, Ho Su Kim
-
Patent number: 8729538Abstract: The organic light emitting diode (OLED) device includes a first substrate defined by a display area and a panel edge portion surrounding the display area, a thin film transistor, a first electrode connected to the thin film transistor, a bank formed on the first substrate, an organic light emitting layer formed on the display area of the first substrate, a second electrode formed on an entire surface of the first substrate having the organic light emitting layer, an anti-moisture permeation pattern formed on the second electrode on the bank located at the panel edge portion, a passivation layer formed on an entire surface of the first substrate and a second substrate attached to the first substrate.Type: GrantFiled: December 26, 2012Date of Patent: May 20, 2014Assignee: LG Display Co., Ltd.Inventors: Dhang Kwon, JungHo Son, JungHyun Lee
-
Publication number: 20140070174Abstract: The organic light emitting diode (OLED) device includes a first substrate defined by a display area and a panel edge portion surrounding the display area, a thin film transistor, a first electrode connected to the thin film transistor, a bank formed on the first substrate, an organic light emitting layer formed on the display area of the first substrate, a second electrode formed on an entire surface of the first substrate having the organic light emitting layer, an anti-moisture permeation pattern formed on the second electrode on the bank located at the panel edge portion, a passivation layer formed on an entire surface of the first substrate and a second substrate attached to the first substrate.Type: ApplicationFiled: December 26, 2012Publication date: March 13, 2014Applicant: LG DISPLAY CO., LTD.Inventors: Dhang KWON, JungHo SON, JungHyun LEE
-
Patent number: 8648984Abstract: A color filter substrate for a liquid crystal display device and a method of fabricating the same includes black matrixes on a transparent insulating substrate, the black matrixes defining pixel areas and having a first region and a second region, color filters in the pixel areas and having areas overlapping the first region of the black matrixes, and ball spacers above the second region of the black matrixes, wherein a thickness of the first region is greater than a thickness of the second region.Type: GrantFiled: December 29, 2006Date of Patent: February 11, 2014Assignee: LG Display Co., Ltd.Inventors: Bong Chul Kim, Jun Beom Cho, Seung Hyung Lee, Kyo Yong Koo, Hyeon Jin Seo, Dhang Kwon, Robert Taff
-
Patent number: 8488084Abstract: A flat panel display device includes a thin film pattern formed by an imprinting mold pressing imprinting resin on a substrate, an outer thin film pattern formed on an outer region of the substrate, adjacent to the thin film pattern, wherein the outer thin film pattern is used as a demolding seed for demolding the substrate from the imprinting mold, and the outer thin film pattern configured to limit movement of the imprinting resin.Type: GrantFiled: May 2, 2011Date of Patent: July 16, 2013Assignee: LG Display Co., Ltd.Inventors: Ho-Su Kim, Tae-Joon Song, Dhang Kwon, Hang-Sup Cho, Seong-Pil Cho, Doo-Hee Jang
-
Patent number: 8345212Abstract: Provided are an LCD device and a method for manufacturing the same. The LCD device includes a first substrate, a second substrate, a spacer interposed between the first substrate and the second substrate, and a barrier. The barrier is disposed at least one of the first substrate and the second substrate to control the movement of the spacer. In the method, the first substrate is formed. The second substrate is formed. The barrier is formed on at least one of the first substrate and the second substrate. The spacer is disposed within the barrier. Since the LCD device controls the movement of the spacer, a high aperture ratio is realized.Type: GrantFiled: December 27, 2007Date of Patent: January 1, 2013Assignee: LG Display Co., Ltd.Inventors: Bong Chul Kim, Seung Hyun Lee, Dhang Kwon
-
Patent number: 8325312Abstract: A liquid crystal display (LCD) device maintains a cell gap and prevents press defects via the use of ball spacers. The liquid crystal display device includes first and second substrates facing each other, a plurality of first spacers, a plurality of second spacers, and a liquid crystal layer filled between the first and second substrates. The first spacers are formed between the first and second substrates at portions of a black matrix layer of the second substrate. The first spacers include a plurality of first balls with a first diameter and a first solid to aggregate the first balls. The second spacers are formed at portions of the black matrix layer between the first and second substrates. The second spacers include a plurality of second balls with a second diameter 0.2 to 0.6 ?m smaller than the first diameter and a second solid to aggregate the second balls.Type: GrantFiled: August 26, 2008Date of Patent: December 4, 2012Assignee: LG Display Co., Ltd.Inventors: Hyeon Jin Seo, Jeong Hoon Lee, Dhang Kwon, Hang Sup Cho, Ho Su Kim
-
Patent number: 8305544Abstract: A liquid crystal display (LCD) device and a method for manufacturing the same are discussed. According to an embodiment, the liquid crystal display device includes a first substrate and a second substrate facing each other, wherein each of the first and second substrates includes pixel regions to form a matrix, a black matrix layer arranged in a region other than the pixel regions gate lines and data lines arranged in a portion corresponding to the black matrix layer spacers arranged in predetermined portions provided on the black matrix layer wherein each of the plurality of spacers includes one or more balls, and a solid to adhere the one or more balls to the first or second substrate, and a liquid crystal layer filled between the first substrate and the second substrate.Type: GrantFiled: September 15, 2011Date of Patent: November 6, 2012Assignee: LG Display Co., Ltd.Inventors: Bong Chul Kim, Hyeon Jin Seo, Jeong Hoon Lee, Dhang Kwon, Hang Sup Cho, Ho Su Kim
-
Publication number: 20120206686Abstract: Disclosed herein are a liquid crystal display (LCD) device and a method for manufacturing the same, capable of preventing problems (i.e., movement of balls, damage to the surfaces that face spacers upon application of predetermined pressure, and variation in cell gap) associated with the use of the ball spacers. The liquid crystal display device includes a first substrate and a second substrate facing each other, a spacer formed on the first substrate, wherein the spacer includes a plurality of balls and a solid to aggregate the balls together and adhere the balls to the first substrate, a hard coating layer formed on the second substrate facing the spacer, and a liquid crystal layer filled between the first substrate and the second substrate.Type: ApplicationFiled: April 25, 2012Publication date: August 16, 2012Inventors: Jun Beom Cho, Hyeon Jin Seo, Jeong Hoon Lee, Dhang Kwon, Hang Sup Cho, Ho Su Kim
-
Patent number: 8184257Abstract: Disclosed herein are a liquid crystal display (LCD) device and a method for manufacturing the same, capable of preventing problems (i.e., movement of balls, damage to the surfaces that face spacers upon application of predetermined pressure, and variation in cell gap) associated with the use of the ball spacers. The liquid crystal display device includes a first substrate and a second substrate facing each other, a spacer formed on the first substrate, wherein the spacer includes a plurality of balls and a solid to aggregate the balls together and adhere the balls to the first substrate, a hard coating layer formed on the second substrate facing the spacer, and a liquid crystal layer filled between the first substrate and the second substrate.Type: GrantFiled: September 12, 2008Date of Patent: May 22, 2012Assignee: LG Display Co., Ltd.Inventors: Jun Beom Cho, Hyeon Jin Seo, Jeong Hoon Lee, Dhang Kwon, Hang Sup Cho, Ho Su Kim
-
Patent number: 8174665Abstract: Disclosed is a liquid crystal display (LCD) device and a method for manufacturing the same, capable of maintaining a cell gap and preventing press defects caused by application of a predetermined external pressure via the use of ball spacers.Type: GrantFiled: March 28, 2011Date of Patent: May 8, 2012Assignee: LG Display Co., Ltd.Inventors: Bong Chul Kim, Hyeon Jin Seo, Dhang Kwon, Hang Sup Cho, Ho Su Kim