Patents by Inventor Dai Yun Lee
Dai Yun Lee 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: 11119534Abstract: Disclosed is a foldable display device in which a display panel and a cover plate are combined within a case. when the display panel and the case are being folded in one direction, the cover plate is slidably transferred within the case so as to correspond to a deformed length of the case.Type: GrantFiled: November 30, 2017Date of Patent: September 14, 2021Assignee: LG Display Co., Ltd.Inventors: Dai-Yun Lee, Seung-O Jeon, Young-Joon Yun, Shin-Suk Lee
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Patent number: 10503210Abstract: Disclosed are a folding device of a foldable display and a display device having the same. The folding device is rotatable sequentially or in stages through a plurality of unit hinges rotated relative to one another about multiple axes. Therefore, the folding device is applicable to both an inner folding type and an outer folding type, and the respective unit hinges are rotated by gear motions and may thus be stably rotated and assure reliability.Type: GrantFiled: November 30, 2017Date of Patent: December 10, 2019Assignee: LG Display Co., Ltd.Inventors: Dai-Yun Lee, Jun-Hyung Kim, Seung-O Jeon, Young-Joon Yun, Shin-Suk Lee
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Patent number: 10368452Abstract: A foldable display device that reduces a transfer or distortion phenomenon of a folding part, prevents a display panel from sagging, and exhibits excellent folding characteristics. The foldable display device includes a display panel including a folding part and a non-folding part, a plurality of middle frames disposed at the lower surface of the display panel, and a bottom case for receiving the display panel and the middle frames. Each of the middle frames includes a frame folding part located at a region corresponding to the folding part of the display panel and a plurality of plates located at a region corresponding to the non-folding part of the display panel.Type: GrantFiled: December 27, 2017Date of Patent: July 30, 2019Assignee: LG Display Co., Ltd.Inventors: Young-Joon Yun, Dai-Yun Lee, Seung-O Jeon, Shin-Suk Lee
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Publication number: 20180192527Abstract: A foldable display device that reduces a transfer or distortion phenomenon of a folding part, prevents a display panel from sagging, and exhibits excellent folding characteristics. The foldable display device includes a display panel including a folding part and a non-folding part, a plurality of middle frames disposed at the lower surface of the display panel, and a bottom case for receiving the display panel and the middle frames. Each of the middle frames includes a frame folding part located at a region corresponding to the folding part of the display panel and a plurality of plates located at a region corresponding to the non-folding part of the display panel.Type: ApplicationFiled: December 27, 2017Publication date: July 5, 2018Inventors: Young-Joon YUN, Dai-Yun Lee, Seung-O Jeon, Shin-Suk Lee
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Publication number: 20180150102Abstract: Disclosed is a foldable display device in which a display panel and a cover plate are combined within a case. when the display panel and the case are being folded in one direction, the cover plate is slidably transferred within the case so as to correspond to a deformed length of the case.Type: ApplicationFiled: November 30, 2017Publication date: May 31, 2018Inventors: Dai-Yun LEE, Seung-O JEON, Young-Joon YUN, Shin-Suk LEE
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Publication number: 20180150107Abstract: Disclosed are a folding device of a foldable display and a display device having the same. The folding device is rotatable sequentially or in stages through a plurality of unit hinges rotated relative to one another about multiple axes. Therefore, the folding device is applicable to both an inner folding type and an outer folding type, and the respective unit hinges are rotated by gear motions and may thus be stably rotated and assure reliability.Type: ApplicationFiled: November 30, 2017Publication date: May 31, 2018Inventors: Dai-Yun LEE, Jun-Hyung KIM, Seung-O JEON, Young-Joon YUN, Shin-Suk LEE
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Patent number: 8848142Abstract: A liquid crystal display (LCD) device and a method fabricating the same are provided. The LCD device and the method of fabricating the same have the shielding means formed directly on the array substrate instead of the color filter substrate of the opposite substrate to the array substrate.Type: GrantFiled: June 16, 2006Date of Patent: September 30, 2014Assignee: LG Display Co., Ltd.Inventors: Yong-In Park, Dai-Yun Lee, Young-Joo Kim, Su-Hyuk Kang
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Patent number: 8183567Abstract: An array substrate for an LCD device includes a first TFT including a first semiconductor layer, a first gate electrode, wherein the first gate electrode is directly over the first semiconductor layer; a first protrusion extending from the first gate electrode along an edge of the first semiconductor layer; a second TFT including a second semiconductor layer, a second gate electrode, wherein the second gate electrode is directly over the second semiconductor layer; a second protrusion extending from the second gate electrode along an edge of the second semiconductor layer; a third TFT connected to crossed data and gate lines including a third semiconductor layer, a third gate electrode, wherein the third gate electrode is directly over the third semiconductor layer; a third protrusion extending from the third gate electrode along an edge of the third semiconductor layer; and a pixel electrode.Type: GrantFiled: January 5, 2011Date of Patent: May 22, 2012Assignee: LG Display Co., Ltd.Inventors: Su Hyuk Kang, Dai Yun Lee, Yong In Park, Young Joo Kim
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Patent number: 8026909Abstract: An electro-luminescence display device includes: pixels provided between data lines and scan lines, each of the pixels including a light-emitting cell driven with a current; and a current controller for temporarily increasing the current for driving the light-emitting cells.Type: GrantFiled: November 22, 2010Date of Patent: September 27, 2011Assignee: LG Display Co., Ltd.Inventors: Dai Yun Lee, Han Sang Lee, Sang Soo Han
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Publication number: 20110133199Abstract: An array substrate for an LCD device includes a first TFT including a first semiconductor layer, a first gate electrode, wherein the first gate electrode is directly over the first semiconductor layer; a first protrusion extending from the first gate electrode along an edge of the first semiconductor layer; a second TFT including a second semiconductor layer, a second gate electrode, wherein the second gate electrode is directly over the second semiconductor layer; a second protrusion extending from the second gate electrode along an edge of the second semiconductor layer; a third TFT connected to crossed data and gate lines including a third semiconductor layer, a third gate electrode, wherein the third gate electrode is directly over the third semiconductor layer; a third protrusion extending from the third gate electrode along an edge of the third semiconductor layer; and a pixel electrode.Type: ApplicationFiled: January 5, 2011Publication date: June 9, 2011Inventors: Su-Hyuk KANG, Dai Yun LEE, Yong In PARK, Young Joo KIM
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Publication number: 20110063280Abstract: An electro-luminescence display device includes: pixels provided between data lines and scan lines, each of the pixels including a light-emitting cell driven with a current; and a current controller for temporarily increasing the current for driving the light-emitting cells.Type: ApplicationFiled: November 22, 2010Publication date: March 17, 2011Inventors: Dai Yun LEE, Han Sang Lee, Sang Soo Han
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Patent number: 7903051Abstract: An electro-luminescence display device and a driving method thereof for assuring a high aperture ratio are disclosed. In the device, a plurality of pixel cells is arranged in a matrix type. A plurality of data electrodes applies video signals to the pixel cells. A plurality of gate lines are connected to the pixel cells positioned adjacently to each other at the upper/lower sides thereof in such a manner to cross the data electrodes.Type: GrantFiled: April 16, 2004Date of Patent: March 8, 2011Assignee: LG Display Co., Ltd.Inventors: Dai Yun Lee, Han Sang Lee, Sang Soo Han
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Patent number: 7888151Abstract: An array substrate for an LCD device includes a first TFT including a first semiconductor layer, a first gate electrode, wherein the first gate electrode is directly over the first semiconductor layer; a first protrusion extending from the first gate electrode along an edge of the first semiconductor layer; a second TFT including a second semiconductor layer, a second gate electrode, wherein the second gate electrode is directly over the second semiconductor layer; a second protrusion extending from the second gate electrode along an edge of the second semiconductor layer; a third TFT connected to crossed data and gate lines including a third semiconductor layer, a third gate electrode, wherein the third gate electrode is directly over the third semiconductor layer; a third protrusion extending from the third gate electrode along an edge of the third semiconductor layer; and a pixel electrode.Type: GrantFiled: December 23, 2008Date of Patent: February 15, 2011Assignee: LG Display Co., Ltd.Inventors: Su Hyuk Kang, Dai Yun Lee, Yong In Park, Young Joo Kim
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Patent number: 7889157Abstract: An electro-luminescence display device includes: pixels provided between data lines and scan lines, each of the pixels including a light-emitting cell driven with a current; and a current controller for temporarily increasing the current for driving the light-emitting cells.Type: GrantFiled: April 16, 2004Date of Patent: February 15, 2011Assignee: LG Display Co., Ltd.Inventors: Dai Yun Lee, Han Sang Lee, Sang Soo Han
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Publication number: 20090159892Abstract: An array substrate for an LCD device includes a first TFT including a first semiconductor layer, a first gate electrode, wherein the first gate electrode is directly over the first semiconductor layer; a first protrusion extending from the first gate electrode along an edge of the first semiconductor layer; a second TFT including a second semiconductor layer, a second gate electrode, wherein the second gate electrode is directly over the second semiconductor layer; a second protrusion extending from the second gate electrode along an edge of the second semiconductor layer; a third TFT connected to crossed data and gate lines including a third semiconductor layer, a third gate electrode, wherein the third gate electrode is directly over the third semiconductor layer; a third protrusion extending from the third gate electrode along an edge of the third semiconductor layer; and a pixel electrode.Type: ApplicationFiled: December 23, 2008Publication date: June 25, 2009Inventors: Su Hyuk Kang, Dai Yun Lee, Yong In Park, Young Joo Kim
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Patent number: 7482628Abstract: An array substrate for an LCD device includes a first TFT including a first semiconductor layer, a first gate electrode, wherein the first gate electrode is directly over the first semiconductor layer; a first protrusion extending from the first gate electrode along an edge of the first semiconductor layer; a second TFT including a second semiconductor layer, a second gate electrode, wherein the second gate electrode is directly over the second semiconductor layer; a second protrusion extending from the second gate electrode along an edge of the second semiconductor layer; a third TFT connected to crossed data and gate lines including a third semiconductor layer, a third gate electrode, wherein the third gate electrode is directly over the third semiconductor layer; a third protrusion extending from the third gate electrode along an edge of the third semiconductor layer; and a pixel electrode.Type: GrantFiled: June 9, 2006Date of Patent: January 27, 2009Assignee: LG Display Co., Ltd.Inventors: Su Hyuk Kang, Dai Yun Lee, Yong In Park, Young Joo Kim
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Patent number: 7407842Abstract: Disclosed herein are a poly type thin film transistor substrate and a fabricating method thereof, which can reduce the number of processing steps without any process defects. The poly type thin film transistor substrate comprises forming transparent lower conductive layer and upper conductive layers on a substrate; forming a photo-resist pattern on the upper conductive layer; patterning the upper conductive layer by using the photo-resist pattern as a mask; ashing the photo-resist pattern so as to remain on the upper conductive layer; patterning the lower conductive layer by a dry etching method using the patterned upper conductive layer as a mask; and removing the remaining photo-resist pattern.Type: GrantFiled: November 10, 2005Date of Patent: August 5, 2008Assignee: LG Display Co., Ltd.Inventors: Dai Yun Lee, Yong In Park
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Patent number: 7396765Abstract: A method of fabricating a liquid crystal display device according to an embodiment of the present invention includes forming first and second conductive layers on a substrate, wherein the first layer is transparent; patterning the second conductive layer and the first conductive layer using the photo-resist pattern as a mask; etching at least one lateral part of the patterned second conductive layer using the photo-resist pattern as a mask; and removing the remaining photo-resist pattern.Type: GrantFiled: October 21, 2005Date of Patent: July 8, 2008Assignee: LG Display Co., Ltd.Inventors: Dai Yun Lee, Yong In Park
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Patent number: 7286107Abstract: A LCD is adapted to reduce the number of data lines and drive circuits. The LCD can be driven in a dot inversion manner, using a data driver employing column inversion. A gate driver sequentially supplies first and second gate signals to gate lines. First and second switching parts are located in an ith horizontal line and supply video signals from data lines to LC cells by the control of an ith gate line. Third switching parts supply video signals to the cells located in the horizontal line, and are connected to the same data line as the second switching part, and are controlled by the ith and an i?1th gate lines. Fourth switching parts supply video signals to the cells located in the horizontal line and are connected to the same data line as the first switching part, and are controlled by the ith and i?1th gate lines.Type: GrantFiled: April 19, 2004Date of Patent: October 23, 2007Assignee: LG.Philips LCD Co., Ltd.Inventors: Dai Yun Lee, Han Sang Lee, Nam Wook Cho
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Patent number: D835103Type: GrantFiled: September 22, 2017Date of Patent: December 4, 2018Assignee: LG Display Co., Ltd.Inventors: Seung-o Jeon, Young-joon Yun, Shin-suk Lee, Dai-yun Lee