Patents by Inventor Seung Jin Choi
Seung Jin Choi 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: 20140159009Abstract: Embodiments of the present invention provide an array substrate, a manufacturing method thereof and a display device. The array substrate comprises a plurality of pixel units disposed on a substrate, each pixel unit including a thin-film transistor (TFT) structure and an organic light-emitting diode (OLED) driven by the TFT structure. The OLED includes a transparent first electrode, an emission layer and a second electrode for reflecting light in sequence in a direction away from the substrate. A color filter disposed between a layer provided with the OLED and a layer provided with the TFT structure. A transflective layer disposed between the OLED and the color filter. The second electrode of the OLED and the transflective layer constitute a microcavity structure.Type: ApplicationFiled: December 9, 2013Publication date: June 12, 2014Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: YOUNG SUK SONG, SEONG YEOL YOO, SEUNG JIN CHOI, HEE CHEOL KIM
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Publication number: 20140159018Abstract: Embodiments of the present invention disclose an array substrate comprising a base substrate and a plurality of pixel units disposed on the base substrate, the pixel unit comprising a transflective layer formed on the base substrate; a thin film transistor structure formed over the transflective layer; an organic light-emitting diode disposed in a pixel region of the pixel unit and driven by the thin film transistor structure, and in a direction away from the base substrate, the organic light-emitting diode sequentially comprising a first electrode that is transparent, an organic light-emitting layer and a second electrode for reflecting light; and a color filter, disposed between the second electrode of the organic light-emitting diode and the transflective layer; wherein the second electrode of the organic light-emitting diode and the transflective layer constitute a microcavity structure.Type: ApplicationFiled: December 11, 2013Publication date: June 12, 2014Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Young Suk SONG, Seong Yeol YOO, Seung Jin CHOI, Hee Cheol KIM
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Publication number: 20140159020Abstract: Embodiments of the present invention disclose a method for manufacturing an array substrate comprising: forming patterns of a thin film transistor structure and a passivation layer on a base substrate to define a plurality of pixel units on the base substrate; forming subsequently patterns of a transflective layer and a color filter in a pixel region of the pixel unit, the color filter being disposed above the transflective layer; forming an organic light-emitting diode in the pixel region of the pixel unit so that the transflective layer and the color filter are disposed between the organic light-emitting diode and the thin film transistor structure. Embodiments of the present invention also provide an array substrate.Type: ApplicationFiled: December 11, 2013Publication date: June 12, 2014Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: YOUNG SUK SONG, SEONG YEOL YOO, SEUNG JIN CHOI, HEE CHEOL KIM
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Publication number: 20140162899Abstract: Provided are a cancer progression observation index gene group and a method of detecting the gene group. The gene group includes cancer progression observation index genes increased or decreased when high- or low-dose radiation is performed on a mouse in which an oncogene is inserted into a thymocyte, for example, Itgb3 and Igf1 increased due to low-dose radiation to suppress the conversion of the thymocyte into a cancer cell, and Itga4, Itgb1, Itgav, Itga6, Itgb4, Raf, Myc, Fos, Trp53 and Apaf1 decreased due to high-dose radiation to stimulate the conversion of the thymocyte into a cancer cell. The gene group and the method may be used to clearly define a cancer progression observation index specifically responding to radiation.Type: ApplicationFiled: August 17, 2011Publication date: June 12, 2014Applicant: KOREA HYDRO & NUCLEAR POWER CO., LTD.Inventors: Hee Sun Kim, Seung Jin Choi, Seok Chul Shin
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Publication number: 20140159010Abstract: An array substrate, a manufacturing method thereof and an OLED display device are provided. The array substrate comprises a plurality of pixel units disposed on a substrate, wherein each pixel unit includes a TFT structure formed on the substrate and an OLED driven by the TFT structure; the TFT structure includes a drive TFT. A drain electrode of the drive TFT is connected with the OLED; a gate electrode and the drain electrode of the drive TFT are at least partially overlapped to form a storage capacitor. A recess is formed in an insulating layer interposed between the gate electrode and the drain electrode corresponding to the overlapped area, so that the distance between the gate electrode and the drain electrode is less than the thickness of the insulating layer corresponding to the non-overlapped area.Type: ApplicationFiled: December 9, 2013Publication date: June 12, 2014Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: YOUNG SUK SONG, SEONG YEOL YOO, SEUNG JIN CHOI, HEE CHEOL KIM
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Publication number: 20140159012Abstract: Embodiments of the present invention disclose an array substrate comprising a plurality of pixel units disposed on a base substrate, the pixel units comprising: a thin film transistor structure formed on the base substrate; and an OLED driven by the thin film transistor structure, the OLED disposed in a pixel region of the pixel units, the OLED comprising sequentially in a direction away from the base substrate a first electrode which is transparent, a light-emitting layer and a second electrode which reflects light; a transflective layer disposed between the OLED and the thin film transistor structure; a color filter disposed between the second electrode of the OLED and the transflective layer; the second electrode of the OLED and the transflective layer constitute a microcavity structure.Type: ApplicationFiled: December 10, 2013Publication date: June 12, 2014Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: YOUNG SUK SONG, SEONG YEOL YOO, SEUNG JIN CHOI, HEE CHEOL KIM
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Patent number: 8563842Abstract: A method and apparatus for separating and extracting main sound sources from a mixed musical sound signal are provided. A musical sound source separation apparatus may include an prior information signal compressor to compress an prior information signal including a characteristic of a predetermined sound source, a mixed signal divider to divide a mixed signal including a plurality of sound sources into a plurality of segments, a Nonnegative Matrix Partial Co-Factorization (NMPCF) analyzer to acquire common information shared by the plurality of segments, by applying an NMPCF algorithm to the prior information signal, and a target musical instrument signal separator to separate a target musical instrument signal corresponding to the predetermined sound source from the mixed signal, based on the common information.Type: GrantFiled: March 31, 2011Date of Patent: October 22, 2013Assignees: Electronics and Telecommunications Research Institute, Postech Academy-Industry FoundationInventors: Min Je Kim, In Seon Jang, Kyeong Ok Kang, Seung Jin Choi, Ji Ho Yoo, Jin Woong Kim
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Patent number: 8443620Abstract: An ice tray assembly for a refrigerator is provided. The ice tray assembly is installed in a door of a refrigerator. The ice tray assembly allows water to be supplied from a water container to an ice tray only when the door is closed. To this end, the ice tray assembly includes a valve for opening and closing a channel through which the water is supplied from the water container to the ice tray which is operated in cooperation with the operation of the door. An inner space of a refrigerator main body and corresponding storage space is increased since the ice tray assembly is installed in the door. Further, because water fed from the water container to the ice tray is controlled according to the operation of the door, water is not spilt from the ice tray when the door is operated.Type: GrantFiled: August 9, 2007Date of Patent: May 21, 2013Assignee: LG Electronics Inc.Inventors: Seung Jin Choi, Yong Chol Kwon
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Publication number: 20130068584Abstract: A rotating element control system includes a rotating element rotatably disposed on a main body, a first measuring unit which measures an angular movement of the main body, a driving unit which drives the rotating element, a second measuring unit which measures a rotational speed of the rotating element, a transfer unit which connects the rotating element and the driving unit and transfers a driving force to the rotating element, a motion compensation unit which generates a compensation signal which removes an error component generated by the angular movement of the main body, and a stabilization control unit which controls the driving unit based on the compensation signal and a difference between an input signal and the rotational speed of the rotating element.Type: ApplicationFiled: September 10, 2012Publication date: March 21, 2013Applicant: SAMSUNG TECHWIN CO., LTD.Inventors: Yong-Seob LIM, Seung-Jin CHOI, Min-Sig KANG
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Publication number: 20130069581Abstract: A rotating element control system includes a rotating element rotatably disposed on a main body, a first sensing unit which senses a rotational speed of the main body, a driving unit which drives the rotating element, a second sensing unit which senses a rotational speed of the rotating element, a torque compensation unit which generates a first compensation signal within a first range and a second compensation signal within a second range, and a stabilization control unit which controls the driving unit based on the first and second compensation signals and a difference between a speed of a command to drive the rotating element and the rotational speed of the rotating element.Type: ApplicationFiled: September 5, 2012Publication date: March 21, 2013Applicant: SAMSUNG TECHWIN CO., LTD.Inventors: Yong-Seob LIM, Seung-Jin CHOI
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Patent number: 8371138Abstract: An ice making apparatus is provided. A fluid passage guide is formed in the water supply unit to prevent water discharged from the water supply unit from being splashed to an external side of the tray.Type: GrantFiled: September 14, 2007Date of Patent: February 12, 2013Assignee: LG Electronics Inc.Inventor: Seung-Jin Choi
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Publication number: 20120291611Abstract: A method and apparatus for separating and extracting main sound sources from a mixed musical sound signal are provided. A musical sound source separation apparatus may include an prior information signal compressor to compress an prior information signal including a characteristic of a predetermined sound source, a mixed signal divider to divide a mixed signal including a plurality of sound sources into a plurality of segments, a Nonnegative Matrix Partial Co-Factorization (NMPCF) analyzer to acquire common information shared by the plurality of segments, by applying an NMPCF algorithm to the prior information signal, and a target musical instrument signal separator to separate a target musical instrument signal corresponding to the predetermined sound source from the mixed signal, based on the common information.Type: ApplicationFiled: March 31, 2011Publication date: November 22, 2012Applicants: POSTECH ACADEMY-INDUSTRY FOUNDATION, ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Min Je KIM, In Seon JANG, Kyeong Ok KANG, Seung Jin CHOI, Ji Ho YOO, Jin Woong KIM
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Patent number: 8272232Abstract: The present invention discloses a refrigerator with a water tank for supplying water to an ice tray by closing of a door. A refrigerator includes a cooling chamber for storing an article at a low temperature, an ice tray positioned in the cooling chamber and filled with water, for making ice, a water tank with a water supply hole for storing water and supplying water to the ice tray, and a valve for selectively opening and closing the water supply hole. In addition, a refrigerator includes a cooling chamber for storing an article at a low temperature, a main body for defining the cooling chamber, a door for opening and closing the cooling chamber, an ice tray positioned inside the door and filled with water, for making ice, a water tank with a water supply hole for storing water and supplying water to the ice tray, and a valve for selectively opening and closing the water supply hole.Type: GrantFiled: March 9, 2007Date of Patent: September 25, 2012Assignee: LG Electronics Inc.Inventors: Dae-Yeon Kim, Seung-Jin Choi
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Patent number: 8197995Abstract: A method of manufacturing an array substrate of a transreflective LCD is provided in the invention. In the method, a gate line, a common line and an embossing pattern are formed with a full tone mask, a data line, a source/drain electrode, a reflective plate and a TFT channel region are formed with a first dual tone mask, and a pixel electrode connected with the drain electrode is formed with a second dual tone mask, and thus a horizontal electric field type transreflective LCD can be obtained.Type: GrantFiled: August 26, 2009Date of Patent: June 12, 2012Assignee: Beijing Boe Optoelectronics Technology Co., Ltd.Inventors: Young Suk Song, Seung Jin Choi, Seong Yeol Yoo
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Patent number: 7906356Abstract: A method of manufacturing an array substrate of horizontal electric field type transreflective LCD is provided in the invention. An array substrate of liquid crystal display is obtained by using one full tone mask and two dual tone masks according to the method. Specifically, the gate line, the gate electrode and the display region are formed by using a full tone mask, the thin film transistor, the transmissive region and the reflective region on the electrode are formed by using a first dual tone mask, and the via hole and the electrode with slits are formed by using a second dual tone mask.Type: GrantFiled: August 26, 2009Date of Patent: March 15, 2011Assignee: Beijing Boe Optoelectronics Technology Co., Ltd.Inventors: Young Suk Song, Seung Jin Choi, Seong Yeol Yoo
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Publication number: 20100192614Abstract: The present invention discloses a refrigerator with a water tank for supplying water to an ice tray by closing of a door. A refrigerator includes a cooling chamber for storing an article at a low temperature, an ice tray positioned in the cooling chamber and filled with water, for making ice, a water tank with a water supply hole for storing water and supplying water to the ice tray, and a valve for selectively opening and closing the water supply hole. In addition, a refrigerator includes a cooling chamber for storing an article at a low temperature, a main body for defining the cooling chamber, a door for opening and closing the cooling chamber, an ice tray positioned inside the door and filled with water, for making ice, a water tank with a water supply hole for storing water and supplying water to the ice tray, and a valve for selectively opening and closing the water supply hole.Type: ApplicationFiled: March 9, 2007Publication date: August 5, 2010Inventors: Dae-Yeon Kim, Seung-Jin Choi
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Patent number: 7738574Abstract: A method and apparatus for separating a multi-channel mixed signal are provided. The method includes the steps of: a) transforming a temporal domain to a frequency domain by performing a discrete Fourier transform onto at least one of mixed signals inputted from an external device through multi-channel; b) estimating multi-decorrelation by calculating a plurality of cross power spectra for the mixed signal in the transformed frequency domain; c) estimating a separation coefficient of the mixed signal based on relative optimization in order to decorrelate the calculated cross power spectra, where the separation coefficient is serially updated; d) transforming the frequency domain to the temporal domain by performing an inverse discrete Fourier transform on the estimated separation coefficient in the temporal domain; and e) separating an original signal from the mixed signal by filtering the mixed signal using the separation coefficient of the transformed temporal domain.Type: GrantFiled: June 29, 2006Date of Patent: June 15, 2010Assignees: Electronics and Telecommunications Research Institute, Postech FoundationInventors: In-Seon Jang, Ki-Joeng Nam, Hee-Youl Choi, Seung-Jin Choi, Kyeong-Ok Kang
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Publication number: 20100055618Abstract: A method of manufacturing an array substrate of a transreflective LCD is provided in the invention. In the method, a gate line, a common line and an embossing pattern are formed with a full tone mask, a data line, a source/drain electrode, a reflective plate and a TFT channel region are formed with a first dual tone mask, and a pixel electrode connected with the drain electrode is formed with a second dual tone mask, and thus a horizontal electric field type transreflective LCD can be obtained.Type: ApplicationFiled: August 26, 2009Publication date: March 4, 2010Inventors: Young Suk Song, Seung Jin Choi, Seong Yeol Yoo
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Publication number: 20100055817Abstract: A method of manufacturing an array substrate of horizontal electric field type transreflective LCD is provided in the invention. An array substrate of liquid crystal display is obtained by using one full tone mask and two dual tone masks according to the method. Specifically, the gate line, the gate electrode and the display region are formed by using a full tone mask, the thin film transistor, the transmissive region and the reflective region on the electrode are formed by using a first dual tone mask, and the via hole and the electrode with slits are formed by using a second dual tone mask.Type: ApplicationFiled: August 26, 2009Publication date: March 4, 2010Inventors: Young Suk SONG, Seung Jin CHOI, Seong Yeol YOO
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Patent number: 7665324Abstract: The present invention relates to a door duct assembly for a refrigerator. In the present invention, the cold air delivered from a cold air duct of a refrigerator main body to a door 30 through a cold air communication portion 55 is discharged into a storage space through cold air vents 61 formed in a flow guide 60. The cold air communication portion 55 is formed in a door basket 40 or the flow guide 60. The door baskets 40 or the flow guide 60 is mounted on a door liner 33 defining a rear surface of the door 30. According to the present invention, there are advantages in that it is relatively easy to manufacture a door, the cold air flows uniformly in the door, the strength of the flow guide for defining a flow channel in the door is relatively increased, and dewdrops are prevented from being formed upstream of the flow channel.Type: GrantFiled: January 6, 2006Date of Patent: February 23, 2010Assignee: LG Electronics Inc.Inventors: Jin-Hyun Kim, Moon-Won Kim, Hyeong-Ii Kim, Hae Lyong Gu, Seung-Jin Choi