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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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
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Patent number: 9030454Abstract: A display device includes an insulation substrate; a plurality of gate lines arranged on the insulation substrate in a first direction and including first group of gate lines and second group of gate lines; a plurality of data lines insulated from and crossing the plurality of gate lines; a gate driver applying gate-on voltages to the plurality of gate lines; and a data driver applying data voltages to the plurality of data lines, wherein at least one of the first group of gate lines is arranged between the second group of gate lines and the gate driver applies the gate-on voltages to the first group of gate lines during the first half of a frame and the gate-on voltages to the second group of gate lines during the second half of the frame.Type: GrantFiled: March 27, 2012Date of Patent: May 12, 2015Assignee: Samsung Display Co., Ltd.Inventors: Hong-Woo Lee, Ju Hyeon Baek, Jae Min Seong, Jong Hwan Lee
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Patent number: 8941576Abstract: A display panel includes a gate driver connected to a gate line, where the gate driver includes a plurality of stages, where each of the stages includes at least one dual gate thin film transistor having a first control terminal and a second control terminal, and where each of the stages receives a clock signal, a first low voltage, a second low voltage, at least one transmission signal of previous stages, at least two transmission signals of subsequent stages and an output control signal from one of the stages to output a gate voltage including a gate-on voltage and a gate-off voltage.Type: GrantFiled: March 26, 2012Date of Patent: January 27, 2015Assignee: Samsung Display Co., Ltd.Inventors: Shin Tack Kang, Kyung-Hee Kim, Beom Jun Kim, Sung Man Kim, Jong Hwan Lee, Hong Woo Lee, Hye Rhee Han, Ji Hye Heo
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Patent number: 8902146Abstract: An array substrate of an LCD having: a gate line formed along a first direction; a data line formed along a second direction crossing the first direction; first and second pixel electrodes spaced apart from each other; a thin-film transistor includes a gate electrode connected to the gate line; a source electrode connected to the data line and partially overlapping the second pixel electrode; and a drain electrode connected to the first pixel electrode spaced apart from the second pixel electrode along the second direction. The source electrode or the gate electrode overlaps the second pixel electrode but the drain electrode does not overlap the second pixel electrode. Electrical coupling between the first and second pixel electrodes are avoided with such configuration.Type: GrantFiled: July 17, 2013Date of Patent: December 2, 2014Assignee: Samsung Display Co., Ltd.Inventors: Beom-Jun Kim, Hee-Joon Kim, Hong-Woo Lee, Hye-Rhee Han, Hyeong-Jun Park, Jin-Suk Seo
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Patent number: 8810498Abstract: A gate driving circuit includes a plurality of stages which are connected to each other one after another and each stage of the plurality of stages outputs a gate voltage to a corresponding gate line of a plurality of gate lines in response to at least one clock signal. Each stage of the plurality of stages includes; a voltage output part which outputs the gate voltage, an output driving part which drives the voltage output part, a holding part which holds the gate line at an off-voltage, and a discharge part arranged at a first end of the gate line to discharge the gate line to the off-voltage in response to the gate voltage output from the voltage output part.Type: GrantFiled: October 5, 2010Date of Patent: August 19, 2014Assignee: Samsung Display Co., Ltd.Inventors: Sungman Kim, Beomjun Kim, Bong-Jun Lee, Hong-Woo Lee, Jae-seung Kim, Byung-Su Oh
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Patent number: 8704748Abstract: A gate driving circuit and a display device having the same, a pull-up unit pulls up a current gate signal by using a first clock signal during a first period of one frame. A pull-up driver coupled to the pull-up unit receives a carry signal from one of the previous stages to turn on the pull-up unit. A pull-up unit receives a gate signal from one of the next stages, discharges the current gate signal to an off voltage level, and turns off the pull-up unit. A holder holds the current gate signal at the voltage level. An inverter turns on/off the holder in response to a first clock signal. A ripple preventer has a source and a gate coupled in common to an output terminal of the pull-up unit and a drain coupled to an input terminal of the inverter, and includes a ripple preventing diode for preventing a ripple from being applied to the inverter.Type: GrantFiled: November 5, 2012Date of Patent: April 22, 2014Assignee: Samsung Display Co., Ltd.Inventors: Sung-Man Kim, Hong-Woo Lee, Myung-Koo Hur, Hee-Joon Kim
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Patent number: 8672354Abstract: An underbody for an electric vehicle configured as an electric vehicle lower body includes a multiply divided battery mounting portion and an underbody portion. The multiply divided battery mounting portion enables multiply divided and selective mounting of batteries, and forms a portion of the underbody. The underbody portion is connected to the battery mounting portion and forms another portion of the underbody.Type: GrantFiled: December 27, 2011Date of Patent: March 18, 2014Assignee: POSCOInventors: Jae-Hyun Kim, Hong-Woo Lee, Hyoun-Young Lee, Yeon-Sik Kang
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Patent number: 8659564Abstract: A touch sensible display device includes a display panel. The display panel includes a plurality of pixels, a plurality of image data lines transferring image data signals to the plurality of pixels and each positioned between two neighboring pixels, a plurality of image scanning lines transferring image scanning signals to the plurality of pixels, a plurality of first sense data lines transferring first sense data signals and each positioned between two neighboring pixels without the image data line interposed therebetween, and a plurality of first sensing units connected with the plurality of first sense data lines and sensing a touch to the display panel.Type: GrantFiled: April 25, 2011Date of Patent: February 25, 2014Assignee: Samsung Display Co., Ltd.Inventors: Sung-Man Kim, Beom-Jun Kim, Bong-Jun Lee, Hong-Woo Lee
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Patent number: 8619070Abstract: An n-th stage (wherein, n is an integer) of the stages of a gate driving circuit includes a pull-up part, a first variable mode part and a second variable mode part. At least one of the first and second variable mode parts includes a variable element. The variable element comprises a first thin-film transistor (TFT) turned on in response to a first level voltage of the first or second direction signal, a second TFT applying the first or second direction signal to a control part of the pull-up part in response to an output signal of a previous stage or an output signal of a next stage, and a third TFT connected to the second TFT through the first TFT.Type: GrantFiled: December 16, 2010Date of Patent: December 31, 2013Assignee: Samsung Display Co., Ltd.Inventors: Hong-Woo Lee, Eung-Gyu Lee, Jong-Hwan Lee, Sung-Man Kim
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Publication number: 20130299831Abstract: An array substrate of an LCD having: a gate line formed along a first direction;a data line formed along a second direction crossing the first direction;first and second pixel electrodes spaced apart from each other;a thin-film transistor includes a gate electrode connected to the gate line; a source electrode connected to the data line and partially overlapping the second pixel electrode; and a drain electrode connected to the first pixel electrode spaced apart from the second pixel electrode along the second direction. The source electrode or the gate electrode overlaps the second pixel electrode but the drain electrode does not overlap the second pixel electrode. Electrical coupling between the first and second pixel electrodes are avoided with such configuration.Type: ApplicationFiled: July 17, 2013Publication date: November 14, 2013Inventors: BEOM-JUN KIM, Hee-Joon Kim, Hong-Woo Lee, Hye-Rhee Han, Hyeong-Jun Park, Jin-Suk Seo
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Patent number: 8574362Abstract: The present invention relates to a method for manufacturing an ultra low defect semiconductor single crystalline ingot, which uses a Czochralski process for growing a semiconductor single crystalline ingot through a solid-liquid interface by dipping a seed into a semiconductor melt received in a quartz crucible and slowly pulling up the seed while rotating the seed, wherein a defect-free margin is controlled by increasing or decreasing a heat space on a surface of the semiconductor melt according to change in length of the single crystalline ingot as progress of the single crystalline ingot growth process.Type: GrantFiled: October 2, 2008Date of Patent: November 5, 2013Assignee: Siltron, Inc.Inventors: Young-Ho Hong, Hyon-Jong Cho, Sung-Young Lee, Seung-Ho Shin, Hong-Woo Lee
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Patent number: 8565370Abstract: A pull-up driving part maintains a signal of a first node at a high level by receiving a turn-on voltage in response to one of a previous stage or a vertical start signal. A pull-up part outputs a clock signal through an output terminal in response to the signal of the first node. A first holding part maintains a signal of a second node at a high level or a low level when the signal of the first node is respectively low or high. A second holding part maintains the signal of the first node and a signal of the output terminal at a ground voltage in response to the signal of the second node or a delayed and inverted clock signal.Type: GrantFiled: September 12, 2012Date of Patent: October 22, 2013Assignee: Samsung Display Co., Ltd.Inventors: Hong-Woo Lee, Sung-Man Kim, Jong-Hyuk Lee, Jong-Hwan Lee, Hyeon-Hwan Kim, Sang-Moon Moh, Jeong-Il Kim, Yeon-Kyu Moon
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Patent number: 8508450Abstract: An array substrate of an LCD having: a gate line formed along a first direction; a data line formed along a second direction crossing the first direction; first and second pixel electrodes spaced apart from each other; a thin-film transistor includes a gate electrode connected to the gate line; a source electrode connected to the data line and partially overlapping the second pixel electrode; and a drain electrode connected to the first pixel electrode spaced apart from the second pixel electrode along the second direction. The source electrode or the gate electrode overlaps the second pixel electrode but the drain electrode does not overlap the second pixel electrode. Electrical coupling between the first and second pixel electrodes are avoided with such configuration.Type: GrantFiled: March 6, 2008Date of Patent: August 13, 2013Assignee: Samsung Display Co., Ltd.Inventors: Beom-Jun Kim, Hee-Joon Kim, Hong-Woo Lee, Hye-Rhee Han, Hyeong-Jun Park, Jin-Suk Seo
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Patent number: 8503765Abstract: An embodiment of the present invention relates to a method and apparatus for correcting errors in stereo images. The apparatus for correcting errors in stereo images according to an embodiment of the present invention comprises: a space histogram generation unit generating space histogram information using the depth map information on the input image data; a peak frequency generation unit generating a peak frequency using the 2D image data of the input image data; an object analysis unit determining the error in each frame of the input image data on the basis of the space histogram and peak frequency; a depth map error correction unit correcting the depth map information to reduce the error; and a rendering processing unit generating left and right eye images, which are stereo images, by using the corrected depth map information.Type: GrantFiled: April 8, 2011Date of Patent: August 6, 2013Assignee: SK Planet Co., Ltd.Inventors: Dae Sic Woo, Byoung Ki Jeon, A Ran Kim, Hong Woo Lee, Jong Dae Kim, Won Suk Chung
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Publication number: 20130180633Abstract: 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: ApplicationFiled: December 20, 2011Publication date: July 18, 2013Applicant: POSCOInventors: Hong-Woo Lee, Jae-Hyun Kim, Hyoun-Young Lee, Yeon-Sik Kang
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Patent number: 8489036Abstract: A mobile phone to transmit and receive a radio frequency signal through a first antenna and a second antenna in a radio communication system includes a first radio frequency signal receiving unit to convert the radio frequency signal received through the first antenna into a baseband signal to be transmitted to a controller, a second radio frequency signal receiving unit to convert the radio frequency signal received through the second antenna into a baseband signal to be transmitted to the controller, and a radio frequency signal transmitting unit to convert a baseband signal transmitted from the controller into a radio frequency signal, to distribute the radio frequency signal, and to selectively output the distributed radio frequency signal to the first antenna and the second antenna.Type: GrantFiled: August 24, 2012Date of Patent: July 16, 2013Assignee: Pantech Co., Ltd.Inventors: In Kwang Kim, Hong Woo Lee
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Publication number: 20130175829Abstract: An underbody for an electric vehicle configured as an electric vehicle lower body includes a multiply divided battery mounting portion and an underbody portion. The multiply divided battery mounting portion enables multiply divided and selective mounting of batteries, and forms a portion of the underbody. The underbody portion is connected to the battery mounting portion and forms another portion of the underbody.Type: ApplicationFiled: December 27, 2011Publication date: July 11, 2013Applicant: POSCOInventors: Jae-Hyun Kim, Hong-Woo Lee, Hyoun-Young Lee, Yeon-Sik Kang
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Publication number: 20130113772Abstract: A display panel includes a gate driver connected to a gate line, where the gate driver includes a plurality of stages, where each of the stages includes at least one dual gate thin film transistor having a first control terminal and a second control terminal, and where each of the stages receives a clock signal, a first low voltage, a second low voltage, at least one transmission signal of previous stages, at least two transmission signals of subsequent stages and an output control signal from one of the stages to output a gate voltage including a gate-on voltage and a gate-off voltage.Type: ApplicationFiled: March 26, 2012Publication date: May 9, 2013Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Shin Tack KANG, Kyung-Hee KIM, Beom Jun KIM, Sung Man KIM, Jong Hwan LEE, Hong Woo LEE, Hye Rhee HAN, Ji Hye HEO
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Publication number: 20130100102Abstract: A display device includes an insulation substrate; a plurality of gate lines arranged on the insulation substrate in a first direction and including first group of gate lines and second group of gate lines; a plurality of data lines insulated from and crossing the plurality of gate lines; a gate driver applying gate-on voltages to the plurality of gate lines; and a data driver applying data voltages to the plurality of data lines, wherein at least one of the first group of gate lines is arranged between the second group of gate lines and the gate driver applies the gate-on voltages to the first group of gate lines during the first half of a frame and the gate-on voltages to the second group of gate lines during the second half of the frame.Type: ApplicationFiled: March 27, 2012Publication date: April 25, 2013Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hong-Woo LEE, Ju Hyeon BAEK, Jae Min SEONG, Jong Hwan LEE