Patents by Inventor Hong-Woo Lee
Hong-Woo 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: 10777159Abstract: Each stage of a gate driver includes a controlling part which increases an electric potential of a boosting line in response to a carry signal of a previous stage and decreases the electric potential of the boosting line in response to the carry signal of a next stage, a first output part which turns on in response to the increased electric potential of the boosting line and receiving a clock signal to output a gate signal of a present stage, and a second output part which turns on in response to the increased electric potential of the boosting line and receiving the clock signal to output the carry signal of the present stage. The boosting line of the present stage is disposed adjacent to a gate line which is connected to one of next stages following the present stage.Type: GrantFiled: November 7, 2017Date of Patent: September 15, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Noboru Takeuchi, Masami Igawa, Min soo Kang, Beomjun Kim, YoonHo Kim, Seongyeol Syn, Hong-Woo Lee
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Publication number: 20190382915Abstract: The present invention relates to an apparatus for growing a single crystal ingot capable of uniformly controlling an oxygen concentration in a longitudinal direction and a radial direction of a single crystal ingot by uniformly maintaining a convection pattern on a silicon melt interface, and a method for growing the same. In an apparatus for growing a single crystal ingot and a method for growing the same according to the present invention, a horizontal magnet is positioned to be movable up and down by a magnet moving unit around a crucible, so that a maximum gauss position (MGP) is positioned to be higher than the silicon melt interface and simultaneously, a rate of increase in the MGP is controlled to 3.5 mm/hr to 6.5 mm/hr, and thus it possible to secure simplicity and symmetry of convection on the silicon melt interface.Type: ApplicationFiled: August 28, 2019Publication date: December 19, 2019Inventors: Do-Won SONG, Hong-Woo LEE, Sang-Hee KIM, Ho-Jun LEE, Jung-Ryul KIM
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Patent number: 10504473Abstract: A display apparatus includes: a plurality of pixel blocks, each pixel block of the plurality of pixel blocks including a first pixel electrode connected to a first switching element and a second pixel electrode connected to a second switching element; gate lines which extend along a first direction and include a first gate line connected to the first switching element and a second gate line connected to the second switching element; and data lines which extend along a second direction intersecting the first direction. A gate voltage is applied to the first gate line before the second gate line, and the first pixel electrode of each of the pixel blocks displays a same color.Type: GrantFiled: November 16, 2017Date of Patent: December 10, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sung-Man Kim, Hong-Woo Lee, Jong-Hwan Lee, Hyeon-Hwan Kim, Jong-Hyuk Lee
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Publication number: 20190366302Abstract: A catalyst, a method for preparing thereof, and methods for synthesizing of hydrogen peroxide are disclosed. The catalyst contains an alloy of two elements. Herein, the elements are Au(Aurum) and Pt(Platinum). The method for preparing the catalyst containing the Au—Pt alloy, includes steps of: (a) obtaining a first solution by dissolving dispersing agent and reducing agent into a first solvent; and (b) synthesizing the Au—Pt alloy by adding Au precursor and Pt precursor into the first solution. Herein, the step (b) includes steps of: (b-1) obtaining a second solution by dissolving the Au precursor and the Pt precursor into a second solvent; and (b-2) synthesizing the Au—Pt alloy by adding the second solution into the first solution.Type: ApplicationFiled: December 12, 2018Publication date: December 5, 2019Inventors: Seung Yong Lee, Sang Soo Han, Hyo Bin Nam, Hong Woo Lee, So Hye Cho, Ho Seong Jang
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Patent number: 10435809Abstract: The present invention relates to an apparatus for growing a single crystal ingot capable of uniformly controlling an oxygen concentration in a longitudinal direction and a radial direction of a single crystal ingot by uniformly maintaining a convection pattern on a silicon melt interface, and a method for growing the same. In an apparatus for growing a single crystal ingot and a method for growing the same according to the present invention, a horizontal magnet is positioned to be movable up and down by a magnet moving unit around a crucible, so that a maximum gauss position (MGP) is positioned to be higher than the silicon melt interface and simultaneously, a rate of increase in the MGP is controlled to 3.5 mm/hr to 6.5 mm/hr, and thus it possible to secure simplicity and symmetry of convection on the silicon melt interface.Type: GrantFiled: June 7, 2016Date of Patent: October 8, 2019Assignee: SK Siltron Co., Ltd.Inventors: Do-Won Song, Hong-Woo Lee, Sang-Hee Kim, Ho-Jun Lee, Jung-Ryul Kim
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Patent number: 10269321Abstract: A display device includes a display panel having a plurality of pixels respectively connected to a plurality of gate lines and a plurality of data lines, a gate driving circuit that outputs a plurality of gate signals to the plurality of gate lines, and a data driving circuit configured that outputs a plurality of data signals for driving the plurality of data lines. Each of the plurality of pixels includes a first sub-pixel configured to receive a corresponding data signal among the plurality of data signals in response to a first gate signal among the plurality of gate signals, and a second sub-pixel configured to receive a corresponding data signal among the plurality of data signals in response to the first gate signal, and reduce a voltage of the received data signal in response to a second gate signal among the plurality of gate signals.Type: GrantFiled: March 28, 2017Date of Patent: April 23, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jihee Yoon, Kang-woo Kim, Beomjun Kim, Jonghwan Lee, Hong-woo Lee
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Publication number: 20180237939Abstract: The present invention relates to an apparatus for growing a single crystal ingot capable of uniformly controlling an oxygen concentration in a longitudinal direction and a radial direction of a single crystal ingot by uniformly maintaining a convection pattern on a silicon melt interface, and a method for growing the same. In an apparatus for growing a single crystal ingot and a method for growing the same according to the present invention, a horizontal magnet is positioned to be movable up and down by a magnet moving unit around a crucible, so that a maximum gauss position (MGP) is positioned to be higher than the silicon melt interface and simultaneously, a rate of increase in the MGP is controlled to 3.5 mm/hr to 6.5 mm/hr, and thus it possible to secure simplicity and symmetry of convection on the silicon melt interface.Type: ApplicationFiled: June 7, 2016Publication date: August 23, 2018Inventors: Do-Won SONG, Hong-Woo LEE, Sang-Hee KIM, Ho-Jun LEE, Jung-Ryul KIM
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Patent number: 9934746Abstract: A gate driving circuit is provided. A gate driving circuit comprises a pull-up control unit including a control transistor, a pull-up unit, a carry unit which outputs a clock signal into a kth carry signal and a pull-down unit which pulls down a control node to an off voltage, wherein the control transistor includes one electrode and the other electrode connected to the control node, the one electrode and the other electrode being disposed on a gate electrode such that the one electrode and the other electrode being insulated from the gate electrode, wherein the gate electrode and the other electrode are disposed not to be overlapped with each other, and a distance between an upper surface of the gate electrode and a lower surface of the one electrode is longer than that of the upper surface of the gate electrode and a lower surface of the other electrode.Type: GrantFiled: February 1, 2016Date of Patent: April 3, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Noboru Takeuchi, Min Soo Kang, Beom Jun Kim, Yoon Ho Kim, Seong Yeol Syn, Hong Woo Lee
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Publication number: 20180075818Abstract: A display apparatus includes: a plurality of pixel blocks, each pixel block of the plurality of pixel blocks including a first pixel electrode connected to a first switching element and a second pixel electrode connected to a second switching element; gate lines which extend along a first direction and include a first gate line connected to the first switching element and a second gate line connected to the second switching element; and data lines which extend along a second direction intersecting the first direction. A gate voltage is applied to the first gate line before the second gate line, and the first pixel electrode of each of the pixel blocks displays a same color.Type: ApplicationFiled: November 16, 2017Publication date: March 15, 2018Inventors: Sung-Man KIM, Hong-Woo LEE, Jong-Hwan LEE, Hyeon-Hwan KIM, Jong-Hyuk LEE
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Publication number: 20180061353Abstract: Each stage of a gate driver includes a controlling part which increases an electric potential of a boosting line in response to a carry signal of a previous stage and decreases the electric potential of the boosting line in response to the carry signal of a next stage, a first output part which turns on in response to the increased electric potential of the boosting line and receiving a clock signal to output a gate signal of a present stage, and a second output part which turns on in response to the increased electric potential of the boosting line and receiving the clock signal to output the carry signal of the present stage. The boosting line of the present stage is disposed adjacent to a gate line which is connected to one of next stages following the present stage.Type: ApplicationFiled: November 7, 2017Publication date: March 1, 2018Inventors: Noboru TAKEUCHI, Masami IGAWA, Min soo KANG, Beomjun KIM, YoonHo KIM, Seongyeol SYN, Hong-Woo LEE
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Patent number: 9824661Abstract: A display apparatus includes: a plurality of pixel blocks, each pixel block of the plurality of pixel blocks including a first pixel electrode connected to a first switching element and a second pixel electrode connected to a second switching element; gate lines which extend along a first direction and include a first gate line connected to the first switching element and a second gate line connected to the second switching element; and data lines which extend along a second direction intersecting the first direction. A gate voltage is applied to the first gate line before the second gate line, and the first pixel electrode of each of the pixel blocks displays a same color.Type: GrantFiled: June 28, 2016Date of Patent: November 21, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sung-Man Kim, Hong-Woo Lee, Jong-Hwan Lee, Hyeon-Hwan Kim, Jong-Hyuk Lee
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Publication number: 20170287432Abstract: A display device includes a display panel having a plurality of pixels respectively connected to a plurality of gate lines and a plurality of data lines, a gate driving circuit that outputs a plurality of gate signals to the plurality of gate lines, and a data driving circuit configured that outputs a plurality of data signals for driving the plurality of data lines. Each of the plurality of pixels includes a first sub-pixel configured to receive a corresponding data signal among the plurality of data signals in response to a first gate signal among the plurality of gate signals, and a second sub-pixel configured to receive a corresponding data signal among the plurality of data signals in response to the first gate signal, and reduce a voltage of the received data signal in response to a second gate signal among the plurality of gate signals.Type: ApplicationFiled: March 28, 2017Publication date: October 5, 2017Inventors: JIHEE YOON, Kang-woo Kim, Beomjun Kim, Jonghwan Lee, Hong-woo Lee
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Publication number: 20160358573Abstract: A gate driving circuit is provided. A gate driving circuit comprises a pull-up control unit including a control transistor, a pull-up unit, a carry unit which outputs a clock signal into a kth carry signal and a pull-down unit which pulls down a control node to an off voltage, wherein the control transistor includes one electrode and the other electrode connected to the control node, the one electrode and the other electrode being disposed on a gate electrode such that the one electrode and the other electrode being insulated from the gate electrode, wherein the gate electrode and the other electrode are disposed not to be overlapped with each other, and a distance between an upper surface of the gate electrode and a lower surface of the one electrode is longer than that of the upper surface of the gate electrode and a lower surface of the other electrode.Type: ApplicationFiled: February 1, 2016Publication date: December 8, 2016Inventors: Noboru TAKEUCHI, Min Soo KANG, Beom Jun KIM, Yoon Ho KIM, Seong Yeol SYN, Hong Woo LEE
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Publication number: 20160322016Abstract: A display apparatus includes: a plurality of pixel blocks, each pixel block of the plurality of pixel blocks including a first pixel electrode connected to a first switching element and a second pixel electrode connected to a second switching element; gate lines which extend along a first direction and include a first gate line connected to the first switching element and a second gate line connected to the second switching element; and data lines which extend along a second direction intersecting the first direction. A gate voltage is applied to the first gate line before the second gate line, and the first pixel electrode of each of the pixel blocks displays a same color.Type: ApplicationFiled: June 28, 2016Publication date: November 3, 2016Inventors: Sung-Man KIM, Hong-Woo LEE, Jong-Hwan LEE, Hyeon-Hwan KIM, Jong-Hyuk LEE
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Patent number: 9401118Abstract: A display apparatus includes: a plurality of pixel blocks, each pixel block of the plurality of pixel blocks including a first pixel electrode connected to a first switching element and a second pixel electrode connected to a second switching element; gate lines which extend along a first direction and include a first gate line connected to the first switching element and a second gate line connected to the second switching element; and data lines which extend along a second direction intersecting the first direction. A gate voltage is applied to the first gate line before the second gate line, and the first pixel electrode of each of the pixel blocks displays a same color.Type: GrantFiled: October 23, 2009Date of Patent: July 26, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sung-Man Kim, Hong-Woo Lee, Jong-Hwan Lee, Hyeon-Hwan Kim, Jong-Hyuk Lee
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Patent number: 9396696Abstract: A liquid crystal display (“LCD”) device includes a display panel, a data driving part, and at least one first light-blocking part and at least one second light-blocking part. The display panel includes a plurality of pixels and a plurality of data lines. The pixels are arranged in a column direction and a row direction. At least one of the data lines extends in a zigzag shape along the column direction to be discontinuously disposed between two adjacent columns of the pixels. The at least one data line is electrically connected to two of the pixels that are adjacent in the row direction. The second light-blocking part is thinner than the first light-blocking part. The first light-blocking part and the second light-blocking are repeatedly disposed on an area between two adjacent columns of the pixels. The data driving part applies a data signal to the data lines.Type: GrantFiled: August 23, 2010Date of Patent: July 19, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sung-Man Kim, Hong-Woo Lee, Chang-Ho Lee, Eung-Gyu Lee, Yu-Jun Kim, Yu-Jin Kim, Jin-Suk Seo, Byung-Su Oh
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Patent number: 9394578Abstract: A multi physical properties part used in automotive components required to be lightweight and provide collision safety, and a method of manufacturing a multi physical properties part, in which the multi physical properties part may be more economically and simply manufactured by using two or more separated die sets without using an additional heating device or treating a die surface. A method of manufacturing a multi physical properties part, which includes positioning a single heated formed article in two or more die sets, and then manufacturing a multi physical properties part including two or more regions having different physical properties by differing cooling conditions in the respective die set.Type: GrantFiled: December 20, 2011Date of Patent: July 19, 2016Assignee: POSCOInventors: Hong-Woo Lee, Jae-Hyun Kim, Hyoun-Young Lee, Yeon-Sik Kang
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Publication number: 20160204136Abstract: A transistor and a liquid crystal display device having the same are provided. The transistor includes a first gate electrode disposed on a base substrate; a gate insulating layer disposed on the first gate electrode; a semiconductor layer disposed on the gate insulating layer, and including a channel area; a source electrode and a drain electrode connected to both ends of the semiconductor layer; a passivation layer configured to cover the semiconductor layer, the source electrode, and the drain electrode; and a second gate electrode disposed on the passivation layer, and partially overlapping the channel area in a direction from the drain electrode toward the source electrode.Type: ApplicationFiled: December 14, 2015Publication date: July 14, 2016Inventors: Noboru TAKEUCHI, Min-Soo KANG, Beom-Jun Kim, Yoon-Ho Kim, Seong-Yeol SYN, Hong-Woo Lee
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Publication number: 20160189598Abstract: Each stage of a gate driver includes a controlling part which increases an electric potential of a boosting line in response to a carry signal of a previous stage and decreases the electric potential of the boosting line in response to the carry signal of a next stage, a first output part which turns on in response to the increased electric potential of the boosting line and receiving a clock signal to output a gate signal of a present stage, and a second output part which turns on in response to the increased electric potential of the boosting line and receiving the clock signal to output the carry signal of the present stage. The boosting line of the present stage is disposed adjacent to a gate line which is connected to one of next stages following the present stage.Type: ApplicationFiled: June 30, 2015Publication date: June 30, 2016Inventors: Noboru TAKEUCHI, Masami IGAWA, Min soo KANG, Beomjun KIM, YoonHo KIM, Seongyeol SYN, Hong-Woo LEE
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Publication number: 20160189654Abstract: A display panel includes: a display panel including a plurality of gate lines, a plurality of data lines, and a plurality of pixels; a gate driver connected to the plurality of gate lines to apply a gate signal voltage; a data driver connected to the plurality of data lines to apply a data voltage and a negative data voltage; and a gate voltage divider for generating a gate signal voltage including gate-on and gate-off voltages to provided it to the gate driver. The gate voltage divider adjusts the gate-off voltage in accordance with a driving time of the display panel and a temperature of the display panel.Type: ApplicationFiled: May 19, 2015Publication date: June 30, 2016Inventors: Yoon Ho KIM, Beom Jun KIM, Geun Hyuk CHOI, Noboru TAKEUCHI, Yong Soon LEE, Jong Hwan LEE, Hong-Woo LEE, Yong-Sik HWANG