Patents by Inventor Dong Hoon Cha
Dong Hoon Cha 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: 20240147579Abstract: A cooking system is disclosed. The cooking system includes a microwave and a display device. The microwave is configured to in response to a received user command, generate a first image by photographing a cooktop located below the microwave through a first camera or generate a second image by photographing an inside of the microwave through a second camera. The microwave is also configured to transmit at least one of the first image and the second image to the display device. The display device is configured to receive the at least one of a first image and the second image from the microwave and display the received at least one image.Type: ApplicationFiled: January 5, 2024Publication date: May 2, 2024Inventors: Jae-hoon CHA, Hyeong-jin JANG, Dong-hyun SOHN
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Publication number: 20240124301Abstract: Disclosed is a single process for producing hydrogen, carbon monoxide, and carbon from methane by forming gas products comprising hydrogen and carbon monoxide, and solid products comprising carbon and an iron-based catalyst from methane in a methane-containing feedstock through pyrolysis route involving auto-thermal reduction in a rotary kiln-type reactor in the presence of an iron-based catalyst and separating and recovering respective products.Type: ApplicationFiled: September 18, 2023Publication date: April 18, 2024Inventors: Dong Min YUN, Jung Geun JANG, Ji Hoon LEE, Ye Rhee CHA
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Patent number: 11946650Abstract: A range hood and a method for controlling the range hood are provided. The apparatus includes a range hood which is capable of photographing a cooking process that is being performed on an upper plate of a cook top by using a camera disposed in the main body of the range hood, and a method for controlling the range hood are provided. In some of the example embodiments, a range hood is capable of photographing a cooking process that is being performed on an upper plate of a cook top that is positioned below a bottom surface of the main body.Type: GrantFiled: March 23, 2022Date of Patent: April 2, 2024Assignee: Samsung Electronics Co., Ltd.Inventors: Jae-hoon Cha, Hyeong-jin Jang, Dong-hyun Sohn
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Patent number: 11932315Abstract: A freight vehicle on which a drone is docked, may include: a transfer device provided in the vehicle and configured to move up and down between an internal space of the vehicle and a roof to receive freight from the drone through the roof of the vehicle or transfer freight to the drone; and a loadspace separated, as a portion of the internal space of the vehicle, from a space where the transfer device is provided and including an open portion formed on a side or a rear of the vehicle, and onto which the freight is loaded.Type: GrantFiled: August 24, 2022Date of Patent: March 19, 2024Assignees: Hyundai Motor Company, Kia Corporation, Yong San Co., Ltd.Inventors: Jin Ho Hwang, Sang Heon Lee, Dong Eun Cha, Choon Taik Kim, Sang Hoon Lee, Hong Kwon Moon
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Patent number: 8988385Abstract: Disclosed are a touch panel driving apparatus and a display device including the same, which lead to the enhancement of sensing sensitivity. The touch panel driving apparatus includes a touch control unit and a touch sensing unit. The touch sensing unit is connected to the receiving lines, and generates the digital touch information on the basis of change of a capacitance between two transmitting lines and one receiving line or generates the digital touch information on the basis of change of a capacitance of each of the receiving lines to supply the digital touch information to the touch control unit, according to the sensing control signal.Type: GrantFiled: December 29, 2011Date of Patent: March 24, 2015Assignees: LG Display Co., Ltd., Industry-University Cooperation Foundation Hanyang UniversityInventors: Seong Mo Seo, Dong Hoon Cha, Oh Kyong Kwon, Ik Seok Yang
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Patent number: 8823689Abstract: Disclosed is a display device which facilitates to prevent an abnormal display during a driving mode conversion, an abnormal signal input, and a no-signal input, and a method for driving the same, wherein the display device comprises a video controller for detecting an abnormal signal input and no-signal input by monitoring video data and control signals inputted from the external; and generating video data and control signals according to the abnormal signal input and no-signal input so as to enable a normal end of a frame; a timing controller for arranging and outputting the video data, supplied from the video controller, for every frame unit; and generating and outputting control signals for controlling a gate driver and a data driver by the use of timing synchronous signals; and a display panel for displaying image by the use of input video data.Type: GrantFiled: December 7, 2011Date of Patent: September 2, 2014Assignee: LG Display Co., Ltd.Inventors: Su Hyuk Jang, Dong Hoon Cha
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Publication number: 20130038570Abstract: Disclosed are a touch panel driving apparatus and a display device including the same, which lead to the enhancement of sensing sensitivity. The touch panel driving apparatus includes a touch control unit and a touch sensing unit. The touch sensing unit is connected to the receiving lines, and generates the digital touch information on the basis of change of a capacitance between two transmitting lines and one receiving line or generates the digital touch information on the basis of change of a capacitance of each of the receiving lines to supply the digital touch information to the touch control unit, according to the sensing control signal.Type: ApplicationFiled: December 29, 2011Publication date: February 14, 2013Inventors: Seong Mo SEO, Dong Hoon CHA, Oh Kyong KWON, Ik Seok YANG
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Patent number: 8354988Abstract: The liquid crystal display device includes a liquid crystal display panel including first sub-pixels for charging a data of a polarity opposite to a prior horizontal period, and second sub-pixels for charging a data of a polarity identical to a prior horizontal period; a data driver for driving a plurality of data lines of the liquid crystal display panel; and a timing controller for dividing a charging period of the data into a plurality of charging periods, generating at least one compensation data for compensating a data on at least one of the plurality of charging periods, and supplying the at least one compensation data to the data driver.Type: GrantFiled: December 17, 2008Date of Patent: January 15, 2013Assignee: LG Display Co., Ltd.Inventors: Jin Sung Kim, Dong Hoon Cha, Ha Young Ji, Min Ki Kim
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Patent number: 8289258Abstract: A disclosed display includes a display panel including a first group of data lines and second group of data lines, a plurality of gate lines crossing the first and a second groups of data lines, and a plurality of picture cells arranged in a matrix. The display also includes a first source PCB coupled to first data integrated circuits (ICs) to supply first data voltages to the first group of data lines and a second source PCB coupled to second data ICs to supply second data voltages to the second group of data lines. The display further includes a timing controller having a single output port with a plurality of output pins which are configured to output video data to both the first and second data ICs, and to output a timing control signal to control both the first and second data ICs.Type: GrantFiled: December 28, 2007Date of Patent: October 16, 2012Assignee: LG Display Co., Ltd.Inventors: Hong Sung Song, Woong Ki Min, Byung Jin Choi, Dong Hoon Cha, Su Hyuk Jang
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Publication number: 20120147195Abstract: Disclosed is a display device which facilitates to prevent an abnormal display during a driving mode conversion, an abnormal signal input, and a no-signal input, and a method for driving the same, wherein the display device comprises a video controller for detecting an abnormal signal input and no-signal input by monitoring video data and control signals inputted from the external; and generating video data and control signals according to the abnormal signal input and no-signal input so as to enable a normal end of a frame; a timing controller for arranging and outputting the video data, supplied from the video controller, for every frame unit; and generating and outputting control signals for controlling a gate driver and a data driver by the use of timing synchronous signals; and a display panel for displaying image by the use of input video data.Type: ApplicationFiled: December 7, 2011Publication date: June 14, 2012Inventors: Su Hyuk JANG, Dong Hoon Cha
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Patent number: 8111229Abstract: A liquid crystal display device includes a liquid crystal display panel including a plurality of data lines, a plurality of gate lines, and a plurality of liquid crystal cells, the plurality of liquid crystal cells associated to a first and second liquid crystal cell groups, a data drive circuit to supply a data voltage to the data lines in response to a polarity control signal, a gate drive circuit to supply a scan pulse to the gate lines, and a polarity control circuit to generate different polarity control signals for each frame period and to control data voltage frequencies of the first and second liquid crystal cell groups to be different from each other.Type: GrantFiled: December 28, 2007Date of Patent: February 7, 2012Assignee: LG Display Co., Ltd.Inventors: Hong Sung Song, Ju Young Lee, Woong Ki Min, Dong Hoon Cha, Sun Young Choi, Su Hyuk Jang
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Publication number: 20100053059Abstract: The present invention relates to a liquid crystal display device and a method for driving the same, in which a difference of data charge quantities is compensated in a liquid crystal display panel having a reduced number of data lines, for reducing power consumption. The liquid crystal display device includes a liquid crystal display panel including first sub-pixels for charging a data of a polarity opposite to a prior horizontal period, and second sub-pixels for charging a data of a polarity identical to a prior horizontal period; a data driver for driving a plurality of data lines of the liquid crystal display panel; and a timing controller for dividing a charging period of the data into a plurality of charging periods, generating at least one compensation data for compensating a data on at least one of the plurality of charging periods, and supplying the at least one compensation data to the data driver.Type: ApplicationFiled: December 17, 2008Publication date: March 4, 2010Inventors: Jin Sung Kim, Dong Hoon Cha, Ha Young Ji, Min Ki Kim
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Publication number: 20080225036Abstract: A disclosed display includes a display panel including a first group of data lines and second group of data lines, a plurality of gate lines crossing the first and a second groups of data lines, and a plurality of picture cells arranged in a matrix. The display also includes a first source PCB coupled to first data integrated circuits (ICs) to supply first data voltages to the first group of data lines and a second source PCB coupled to second data ICs to supply second data voltages to the second group of data lines. The display further includes a timing controller having a single output port with a plurality of output pins which are configured to output video data to both the first and second data ICs, and to output a timing control signal to control both the first and second data ICs.Type: ApplicationFiled: December 28, 2007Publication date: September 18, 2008Inventors: Hong Sung Song, Woong Ki Min, Byung Jin Choi, Dong Hoon Cha, Su Hyuk Jang
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Publication number: 20080170025Abstract: A liquid crystal display device includes a liquid crystal display panel including a plurality of data lines, a plurality of gate lines, and a plurality of liquid crystal cells, the plurality of liquid crystal cells associated to a first and second liquid crystal cell groups, a data drive circuit to supply a data voltage to the data lines in response to a polarity control signal, a gate drive circuit to supply a scan pulse to the gate lines, and a polarity control circuit to generate different polarity control signals for each frame period and to control data voltage frequencies of the first and second liquid crystal cell groups to be different from each other.Type: ApplicationFiled: December 28, 2007Publication date: July 17, 2008Inventors: Hong Sung Song, Ju Young Lee, Woong Ki Min, Dong Hoon Cha, Sun Young Choi, Su Hyuk Jang