Patents by Inventor Sung Chul Ha
Sung Chul Ha 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: 20240128502Abstract: An embodiment solid electrolyte includes a first compound and a second compound. The first compound is represented by a first chemical formula Li7-aPS6-a(X11-bX2b)a, wherein X1 and X2 are the same or different and each represents F, Cl, Br, or I, and wherein 0<a?2 and 0<b<1, and the second compound is represented by a second chemical formula Li7-cP1-2dMdS6-c-3d(X11-eX2e)c, wherein X1 and X2 are the same or different and each represents F, Cl, Br, or I, wherein M represents Ge, Si, Sn, or any combination thereof, and wherein 0<c?2, 0<d<0.5, and 0<e<1.Type: ApplicationFiled: August 14, 2023Publication date: April 18, 2024Inventors: Sa Heum Kim, Yong Jun Jang, Yong Gu Kim, Sung Man Cho, Sun Ho Choi, Seong Hyeon Choi, Kyu Sung Park, Young Gyoon Ryu, Suk Gi Hong, Pil Sang Yun, Myeong Ju Ha, Hyun Beom Kim, Hwi Chul Yang
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Patent number: 11914145Abstract: Disclosed in the present invention is a floating hologram system. The floating hologram system includes a diffuser configured to form a projection image using light beams transmitted from an image transmitter and diffuse the formed image, and a holographic optical element on which the image diffused from the diffuser is incident and which generates a virtual image floating at a position a predetermined distance therefrom and has a convex lens characteristic. A distance between the diffuser and the holographic optical element is determined based on a focal length of the holographic optical element and a distance from the holographic optical element to the virtual image.Type: GrantFiled: December 10, 2020Date of Patent: February 27, 2024Assignee: KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATIONInventors: Seung Hyun Lee, Lee Hwan Hwang, Jae Hyun Lee, Sung Jae Ha, Soon Chul Kwon, Kwang Pyo Hong
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Patent number: 11798451Abstract: A display apparatus includes a display panel including a first surface including first pixels and a second surface including second pixels, the first surface contacting the second surface at a panel center thereof, a first source integrated circuit (IC) sequentially latching first image data, which is to be applied to the first surface, in a first direction facing the panel center at a panel edge of the first surface, and a second source IC sequentially latching second image data, which is to be applied to the second surface, in a second direction facing the panel center at a panel edge of the second surface, wherein the first direction is opposite to the second direction.Type: GrantFiled: July 1, 2022Date of Patent: October 24, 2023Assignee: LG Display Co., Ltd.Inventors: Sung Chul Ha, Hyun Chul Kim, Mi So Kim
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Publication number: 20230005405Abstract: A display apparatus includes a display panel including a first surface including first pixels and a second surface including second pixels, the first surface contacting the second surface at a panel center thereof, a first source integrated circuit (IC) sequentially latching first image data, which is to be applied to the first surface, in a first direction facing the panel center at a panel edge of the first surface, and a second source IC sequentially latching second image data, which is to be applied to the second surface, in a second direction facing the panel center at a panel edge of the second surface, wherein the first direction is opposite to the second direction.Type: ApplicationFiled: July 1, 2022Publication date: January 5, 2023Inventors: Sung Chul HA, Hyun Chul KIM, Mi So KIM
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Publication number: 20220383806Abstract: A display device includes a display panel configured to display an image, a data driver configured to supply a data voltage to the display panel, and a timing controller configured to control the data driver, and the data driver pauses a data latch operation.Type: ApplicationFiled: May 17, 2022Publication date: December 1, 2022Applicant: LG DISPLAY CO., LTD.Inventors: Sung Chul HA, Jin Cheol HONG
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Patent number: 11410582Abstract: Disclosed herein is a sensing device including a sensing channel terminal connected to a pixel through a sensing line, a first power terminal to which a displaying reference voltage is input, a second power terminal to which a sensing reference voltage different form the displaying reference voltage is input, a third power terminal to which a sampling reference voltage is input, a sampling capacitor having a first electrode to which the sampling reference voltage is applied, a sensing set-up switch connected between the second power terminal and the sensing channel terminal, a first sampling switch connected between the sensing channel terminal and a second electrode of the sampling capacitor, and a second sampling switch connected between the first power terminal and the second electrode of the sampling capacitor.Type: GrantFiled: December 11, 2020Date of Patent: August 9, 2022Assignee: LG Display Co., Ltd.Inventors: Sung-Chul Ha, Man-Gyu Park, Mi-So Kim
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Publication number: 20210201718Abstract: Disclosed herein is a sensing device including a sensing channel terminal connected to a pixel through a sensing line, a first power terminal to which a displaying reference voltage is input, a second power terminal to which a sensing reference voltage different form the displaying reference voltage is input, a third power terminal to which a sampling reference voltage is input, a sampling capacitor having a first electrode to which the sampling reference voltage is applied, a sensing set-up switch connected between the second power terminal and the sensing channel terminal, a first sampling switch connected between the sensing channel terminal and a second electrode of the sampling capacitor, and a second sampling switch connected between the first power terminal and the second electrode of the sampling capacitor.Type: ApplicationFiled: December 11, 2020Publication date: July 1, 2021Inventors: Sung-Chul HA, Man-Gyu PARK, Mi-So KIM
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Patent number: 10559640Abstract: Disclosed is an organic light emitting diode display device capable of transmitting a sensing value through an EPI interface without a separate line B-LVDS including a display panel having a plurality of gate lines and data lines, a timing controller for controlling an operation timing of each pixel, a gate driver for driving gate lines, a data driver having a plurality of data driving ICs for driving data lines, and an EPI interface between the timing controller and each data driving ICs and for transmitting video/control data signal from the timing controller to each data driving IC, and transmitting a sensing value from the data driving IC to the timing controller.Type: GrantFiled: June 29, 2017Date of Patent: February 11, 2020Assignee: LG Display Co., Ltd.Inventors: Sung-Chul Ha, Pil-Sung Kang
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Publication number: 20180006101Abstract: Disclosed is an organic light emitting diode display device capable of transmitting a sensing value through an EPI interface without a separate line B-LVDS including a display panel having a plurality of gate lines and data lines, a timing controller for controlling an operation timing of each pixel, a gate driver for driving gate lines, a data driver having a plurality of data driving ICs for driving data lines, and an EPI interface between the timing controller and each data driving ICs and for transmitting video/control data signal from the timing controller to each data driving IC, and transmitting a sensing value from the data driving IC to the timing controller.Type: ApplicationFiled: June 29, 2017Publication date: January 4, 2018Applicant: LG Display Co., Ltd.Inventors: Sung-Chul HA, Pil-Sung KANG
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Patent number: 9685125Abstract: An apparatus and method of driving data of a liquid crystal display device is disclosed, which can minimize an electromagnetic interference EMI noise by decreasing an output peak current of a data driver, the apparatus comprising a timing controller for supplying a reference source output enable signal; a delay circuit for delaying the reference source output enable signal and supplying a plurality of source output enable signals provided with the different delay times; and a data driver, including a plurality of data ICs to divide and drive data lines of a liquid crystal panel into a plurality of data blocks, for dispersing data output timing of the plurality of data ICs in response to the plurality of source output enable signals.Type: GrantFiled: December 31, 2007Date of Patent: June 20, 2017Assignee: LG DISPLAY CO., LTD.Inventors: Sung Chul Ha, Chang Hun Cho, Jin Cheol Hong
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Patent number: 9076406Abstract: A power supplying unit for a liquid crystal display device includes: a power integrated circuit for generating a source voltage and a compensation voltage, the compensation voltage linearly varying according to an ambient temperature; and a charge pumping part for generating a gate high voltage using the source voltage and the compensation voltage, the gate high voltage linearly varying when the ambient temperature is lower than a reference temperature.Type: GrantFiled: December 29, 2011Date of Patent: July 7, 2015Assignee: LG Display Co., Ltd.Inventors: Seung-Pyo Seo, Hyoun-Woo Kim, Sung-Chul Ha
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Patent number: 8279216Abstract: An apparatus and method for data interface of a flat panel display device, which is capable of transferring clocks in a state, in which the clocks are embedded in digital data, thereby reducing the number of transfer lines, is disclosed. The apparatus includes a transmitter unit built in a timing controller, to transmit transfer data with an embedding clock embedded between successive pieces of data, and a clock enable signal to indicate the embedding clock, and receiver units respectively built in a plurality of data integrated circuits connected to the timing controller, to separate and detect the embedding clock and the data from the transfer data, in response to the clock enable signal.Type: GrantFiled: April 12, 2012Date of Patent: October 2, 2012Assignee: LG Display Co., Inc.Inventors: Jin Cheol Hong, Sung Chul Ha, Chang Hun Cho
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Publication number: 20120200542Abstract: An apparatus and method for data interface of a flat panel display device, which is capable of transferring clocks in a state, in which the clocks are embedded in digital data, thereby reducing the number of transfer lines, is disclosed. The apparatus includes a transmitter unit built in a timing controller, to transmit transfer data with an embedding clock embedded between successive pieces of data, and a clock enable signal to indicate the embedding clock, and receiver units respectively built in a plurality of data integrated circuits connected to the timing controller, to separate and detect the embedding clock and the data from the transfer data, in response to the clock enable signal.Type: ApplicationFiled: April 12, 2012Publication date: August 9, 2012Inventors: Jin Cheol Hong, Sung Chul Ha, Chang Hun Cho
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Patent number: 8237699Abstract: An apparatus and method for data interface of a flat panel display device, which is capable of transferring clocks in a state, in which the clocks are embedded in digital data, thereby reducing the number of transfer lines, is disclosed. The apparatus includes a transmitter unit built in a timing controller, to transmit transfer data with an embedding clock embedded between successive pieces of data, and a clock enable signal to indicate the embedding clock, and receiver units respectively built in a plurality of data integrated circuits connected to the timing controller, to separate and detect the embedding clock and the data from the transfer data, in response to the clock enable signal.Type: GrantFiled: December 19, 2008Date of Patent: August 7, 2012Assignee: LG Display Co., Ltd.Inventors: Jin Cheol Hong, Sung Chul Ha, Chang Hun Cho
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Publication number: 20120169744Abstract: A power supplying unit for a liquid crystal display device includes: a power integrated circuit for generating a source voltage and a compensation voltage, the compensation voltage linearly varying according to an ambient temperature; and a charge pumping part for generating a gate high voltage using the source voltage and the compensation voltage, the gate high voltage linearly varying when the ambient temperature is lower than a reference temperature.Type: ApplicationFiled: December 29, 2011Publication date: July 5, 2012Inventors: Seung-Pyo Seo, Hyoun-Woo Kim, Sung-Chul Ha
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Patent number: 7906855Abstract: In accordance with the present invention, there is provided multiple embodiments of a semiconductor package including two or more semiconductor dies which are electrically connected to an underlying substrate through the use of conductive wires, some of which may be fully or partially encapsulated by an adhesive or insulating layer of the package. In a basic embodiment of the present invention, the semiconductor package comprises a substrate having a conductive pattern disposed thereon. Electrically connected to the conductive pattern of the substrate are first and second semiconductor dies. The first semiconductor die and a portion of the substrate are covered by an adhesive layer. The second semiconductor die, the adhesive layer and a portion of the substrate are in turn covered by a package body of the semiconductor package.Type: GrantFiled: April 12, 2010Date of Patent: March 15, 2011Assignee: Amkor Technology, Inc.Inventors: Yoon Joo Kim, In Tae Kim, Ji Young Chung, Bong Chan Kim, Do Hyung Kim, Sung Chul Ha, Sung Min Lee, Jae Kyu Song
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Patent number: 7817126Abstract: A liquid crystal display system reduces a consumed current and reduces generation of heat in a data integrated circuit, the liquid crystal display device includes a liquid crystal cell array, a first charge sharing circuit arranged on one side of the liquid crystal cell array to pre-charge the data lines before the data lines are charged with a data voltage, and a second charge sharing circuit arranged outside the other side of the liquid crystal cell array to pre-charge the data lines before the data lines are charged with a data voltage.Type: GrantFiled: June 27, 2006Date of Patent: October 19, 2010Assignee: LG. Display Co., Ltd.Inventors: Sung Chul Ha, Man Gyu Park
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Patent number: 7723852Abstract: In accordance with the present invention, there is provided multiple embodiments of a semiconductor package including two or more semiconductor dies which are electrically connected to an underlying substrate through the use of conductive wires, some of which may be fully or partially encapsulated by an adhesive or insulating layer of the package. In a basic embodiment of the present invention, the semiconductor package comprises a substrate having a conductive pattern disposed thereon. Electrically connected to the conductive pattern of the substrate are first and second semiconductor dies. The first semiconductor die and a portion of the substrate are covered by an adhesive layer. The second semiconductor die, the adhesive layer and a portion of the substrate are in turn covered by a package body of the semiconductor package.Type: GrantFiled: January 21, 2008Date of Patent: May 25, 2010Assignee: Amkor Technology, Inc.Inventors: Yoon Joo Kim, In Tae Kim, Ji Young Chung, Bong Chan Kim, Do Hyung Kim, Sung Chul Ha, Sung Min Lee, Jae Kyu Song
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Patent number: 7683870Abstract: A liquid crystal display device is set forth that comprises a data line that is connected to drive a liquid crystal cell and an output driver connected to selectively provide a pixel drive signal to the data line. The pixel drive signal corresponds to a digital video data signal provided to the liquid crystal display device. A pre-charging circuit is used to reduce the power consumed by the output driver. To this end, the pre-charging circuit is connected to selectively pre-charge the data line to one or more of a plurality of voltage levels depending on the value of the digital video data signal. In one embodiment, the plurality of voltage levels comprises a positive pre-charge voltage, a negative pre-charge voltage, and a charge share voltage. The magnitudes of the positive pre-charge voltage and the negative pre-charge voltage may be chosen so that they are greater than the magnitude of the charge share voltage.Type: GrantFiled: December 27, 2005Date of Patent: March 23, 2010Assignee: LG. Display Co., Ltd.Inventors: Sin Ho Kang, Jin Cheol Hong, Sung Chul Ha
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Patent number: 7643002Abstract: A liquid crystal display device includes a comparator which judges a voltage of data; and a pre-charge controller which pre-charges a data line of a liquid crystal display panel with a pre-charge voltage if the voltage of the data is a first voltage, and pre-charges the data line with a charge share voltage, which has a lower absolute value than the pre-charge voltage, if the voltage of the data is a second voltage that is lower than the first voltage.Type: GrantFiled: December 27, 2005Date of Patent: January 5, 2010Assignee: LG. Display Co., Ltd.Inventors: Sin Ho Kang, Jin Cheol Hong, Sung Chul Ha