Patents by Inventor Jae-Bum Cho
Jae-Bum Cho 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: 10811195Abstract: A solid electrolytic capacitor includes a capacitor body including a sintered body of tantalum powders; an anode wire having a first region in a width direction embedded in the capacitor body and a second region in the width direction led through one surface of the capacitor body; an encapsulant part enclosing the capacitor body and the anode wire; an anode terminal disposed on an outer surface of the encapsulant part and connected to the anode wire; a cathode terminal spaced apart from the anode terminal and disposed on the outer surface of the encapsulant part; and a cathode lead portion electrically connecting the capacitor body and the cathode terminal to each other, wherein at least one of the anode wire and the cathode lead portion is provided in plural.Type: GrantFiled: February 5, 2016Date of Patent: October 20, 2020Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hong Kyu Shin, Jae Bum Cho, Jae Hyuk Choi
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Patent number: 10578925Abstract: A liquid crystal display device includes a first substrate, a first alignment film disposed on the first substrate, a second substrate, and a liquid crystal layer disposed between the first alignment film and the second substrate. The first substrate has a surface curved in a first direction and the second substrate has a surface curved in the first direction. The first alignment film includes a polymerization initiator and a polymer chain that is a copolymer of a dianhydride-based compound and a diamine-based compound. The polymer chain includes a main chain including a repeating unit including an imide group, a first side chain, including a vertical align group, bonded to the main chain, and a second side chain bonded to the main chain. The functional group includes a biphenyl group or a terphenyl group.Type: GrantFiled: November 17, 2016Date of Patent: March 3, 2020Assignee: Samsung Display Co., Ltd.Inventors: Hyeok Jin Lee, Oh Jeong Kwon, Jae Bum Cho, Ka Eun Kim, Su Jin Kim, Ki Chul Shin
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Patent number: 10564480Abstract: A liquid crystal display including a first substrate; a second substrate on the first substrate; a liquid crystal layer between the first substrate and the second substrate; a first alignment layer between the first substrate and the liquid crystal layer and including a first polymer; a second alignment layer between the second substrate and the liquid crystal layer and including a second polymer; and protrusions between the first alignment layer and the liquid crystal layer, wherein at least one of the protrusions includes an alignment polymer polymerized with a reactive mesogen, the first polymer includes a first main chain and a plurality of first side chains connected to the first main chain, and at least one of the plurality of first side chains includes a photoreactive group and a photoreactive derivative, and wherein the photoreactive group has an absorbance that is greater than that of the reactive mesogen.Type: GrantFiled: November 17, 2016Date of Patent: February 18, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Oh Jeong Kwon, Hyeok Jin Lee, Ka Eun Kim, Soo Dong Kim, Su Jin Kim, Jae Bum Cho
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Patent number: 10503017Abstract: A liquid crystal display including: a first substrate; a second substrate configured to overlap the first substrate and to be separate from the first substrate; a liquid crystal layer disposed between the first substrate and the second substrate and including a liquid crystal molecule; a first alignment layer disposed between the first substrate and the liquid crystal layer; a second alignment layer disposed between the second substrate and the liquid crystal layer; and a plurality of protrusions disposed between the first alignment layer and the liquid crystal layer, wherein at least one protrusion of the plurality of protrusions includes an orientation polymer including a polymerized reactive mesogen, the first alignment layer includes a photo-reactive group, and the liquid crystal layer includes a photoreaction initiator.Type: GrantFiled: April 27, 2017Date of Patent: December 10, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jae Bum Cho, Hyeok Jin Lee, Oh Jeong Kwon, Ka Eun Kim, Su Jin Kim
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Publication number: 20190353796Abstract: A global navigation satellite system (GNSS) receiver includes an internal signal processor configured to perform an internal signal processing operation on a satellite signal to generate satellite information, a switching circuit configured to transmit the satellite signal to the internal signal processor, and a control circuit configured to receive a blanking signal from an external communication device instructing that the internal signal processing operation is to be blocked, and configured to output control information for reducing transmission power of the external communication device and to control the switching circuit to transmit the satellite signal to the internal signal processor regardless of the blanking signal when a frequency at which the blanking signal is received exceeds a reference value.Type: ApplicationFiled: November 15, 2018Publication date: November 21, 2019Inventors: Ki-Soo Yu, Bhaskar Nallapureddy, Jae-Bum Cho
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Patent number: 10459291Abstract: A liquid crystal display includes: a first substrate, a second substrate overlapping the first substrate, a liquid crystal layer positioned between the first substrate and the second substrate and including a plurality of liquid crystal molecules, a first alignment layer positioned between the first substrate and the liquid crystal layer, a second alignment layer positioned between the second substrate and the liquid crystal layer, and a plurality of protrusions positioned at at least one of between the first alignment layer and the liquid crystal layer and between the second alignment layer and the liquid crystal layer, wherein at least one among the plurality of protrusions includes a polymer of a reactive mesogen, and the reactive mesogen is represented by Chemical Formula 1: Pa—A1—OCH2nO—A2—Pb??Chemical Formula 1.Type: GrantFiled: January 19, 2017Date of Patent: October 29, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyeok Jin Lee, Oh Jeong Kwon, Ka Eun Kim, Soo Dong Kim, Su Jin Kim, Jin Won Kim, Jae Bum Cho, Baek Kyun Jeon
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Patent number: 10444374Abstract: A GNSS receiver includes a RF unit, a baseband processing unit, a storage unit, a mode control unit and a counter unit. The RF unit receives a satellite signal from an external satellite. The baseband processing unit determines present operation environment of the GNSS receiver based on the satellite signal. The storage unit stores information received by the RF unit and information generated by the baseband processing unit. The mode control unit controls an operation mode of the GNSS receiver based on the present operation environment. The operation mode includes a normal mode and a low power mode. The counter unit counts a first number representing a number of consecutive times in which the GNSS receiver has entered the low power mode. When the GNSS receiver enters the low power mode, the mode control unit turns off at least one of the RF unit, the baseband processing unit and the storage unit based on the first number.Type: GrantFiled: October 14, 2016Date of Patent: October 15, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Jung-Jun Park, Woo-Jin Lee, Jae-Bum Cho
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Patent number: 10199174Abstract: There is provided a tantalum capacitor including: a tantalum capacitor body; a plurality of tantalum wires and an adhesive layer on a lower surface of the tantalum capacitor body; and a molding part enclosing the tantalum capacitor body, wherein the tantalum wire and the adhesive layer are connected to an anode lead frame and a cathode lead frame, respectively.Type: GrantFiled: March 25, 2015Date of Patent: February 5, 2019Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jae Bum Cho, Hong Kyu Shin, Hyun Sub Oh, Jeong Oh Hong, Hee Sung Choi, Wan Suk Yang
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Patent number: 9972443Abstract: A tantalum capacitor includes a capacitor body containing tantalum powder, having a rectangular parallelepiped shape, and including a plurality of tantalum wires spaced apart from each other in a long axis direction of the rectangular parallelepiped shape and protruding from one side surface thereof perpendicular to the long axis direction; a conductive layer provided on one side surface of the capacitor body to be spaced apart from the tantalum wires; a sealing part enclosing the tantalum wires, the conductive layer, and the capacitor body and allowing end portions of the tantalum wires and a surface of the conductive layer to be exposed by the sealing part; an anode terminal provided on one side surface of the sealing part; and a cathode terminal provided on one side surface of the sealing part.Type: GrantFiled: December 18, 2015Date of Patent: May 15, 2018Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jae Bum Cho, Hee Sung Choi, Hong Kyu Shin
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Publication number: 20180113570Abstract: A color conversion panel includes a substrate, a color conversion layer, a transmission layer, and a blue light cutting filter. The color conversion layer is disposed on the substrate. The color conversion layer includes a quantum dot. The transmission layer is disposed on the substrate. The blue light cutting filter is disposed between the substrate and the color conversion layer. An interface between the color conversion layer and the blue light cutting filter includes irregularities.Type: ApplicationFiled: June 26, 2017Publication date: April 26, 2018Inventors: Soo Dong KIM, Su Jin Kim, Jin Won Kim, Hyeok Jin LEE, Jae Bum Cho
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Patent number: 9952740Abstract: A color conversion panel includes a substrate, a color conversion layer, a transmission layer, and a blue light cutting filter. The color conversion layer is disposed on the substrate. The color conversion layer includes a quantum dot. The transmission layer is disposed on the substrate. The blue light cutting filter is disposed between the substrate and the color conversion layer. An interface between the color conversion layer and the blue light cutting filter includes irregularities.Type: GrantFiled: June 26, 2017Date of Patent: April 24, 2018Assignee: Samsung Display Co., Ltd.Inventors: Soo Dong Kim, Su Jin Kim, Jin Won Kim, Hyeok Jin Lee, Jae Bum Cho
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Publication number: 20170351146Abstract: A liquid crystal display includes: a first substrate, a second substrate overlapping the first substrate, a liquid crystal layer positioned between the first substrate and the second substrate and including a plurality of liquid crystal molecules, a first alignment layer positioned between the first substrate and the liquid crystal layer, a second alignment layer positioned between the second substrate and the liquid crystal layer, and a plurality of protrusions positioned at at least one of between the first alignment layer and the liquid crystal layer and between the second alignment layer and the liquid crystal layer, wherein at least one among the plurality of protrusions includes a polymer of a reactive mesogen, and the reactive mesogen is represented by Chemical Formula 1: Pa-A1-O?CH2?nO-A2-Pb??Chemical Formula 1Type: ApplicationFiled: January 19, 2017Publication date: December 7, 2017Inventors: Hyeok Jin LEE, Oh Jeong KWON, Ka Eun KIM, Soo Dong KIM, Su Jin KIM, Jin Won KIM, Jae Bum CHO, Baek Kyun JEON
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Publication number: 20170343862Abstract: A liquid crystal display including a first substrate; a second substrate on the first substrate; a liquid crystal layer between the first substrate and the second substrate; a first alignment layer between the first substrate and the liquid crystal layer and including a first polymer; a second alignment layer between the second substrate and the liquid crystal layer and including a second polymer; and protrusions between the first alignment layer and the liquid crystal layer, wherein at least one of the protrusions includes an alignment polymer polymerized with a reactive mesogen, the first polymer includes a first main chain and a plurality of first side chains connected to the first main chain, and at least one of the plurality of first side chains includes a photoreactive group and a photoreactive derivative, and wherein the photoreactive group has an absorbance that is greater than that of the reactive mesogen.Type: ApplicationFiled: November 17, 2016Publication date: November 30, 2017Inventors: Oh Jeong KWON, Hyeok Jin LEE, Ka Eun KIM, Soo Dong KIM, Su Jin KIM, Jae Bum CHO
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Publication number: 20170329184Abstract: A liquid crystal display including: a first substrate; a second substrate configured to overlap the first substrate and to be separate from the first substrate; a liquid crystal layer disposed between the first substrate and the second substrate and including a liquid crystal molecule; a first alignment layer disposed between the first substrate and the liquid crystal layer; a second alignment layer disposed between the second substrate and the liquid crystal layer; and a plurality of protrusions disposed between the first alignment layer and the liquid crystal layer, wherein at least one protrusion of the plurality of protrusions includes an orientation polymer including a polymerized reactive mesogen, the first alignment layer includes a photo-reactive group, and the liquid crystal layer includes a photoreaction initiator.Type: ApplicationFiled: April 27, 2017Publication date: November 16, 2017Inventors: Jae Bum CHO, Hyeok Jin LEE, Oh Jeong KWON, Ka Eun KIM, Su Jin KIM
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Patent number: 9679701Abstract: A tantalum capacitor includes a capacitor body containing a tantalum powder and having a tantalum wire protruding to one side surface thereof, a molding part enclosing the tantalum wire and the capacitor body so as to allow an end portion of the tantalum wire to be exposed through one side surface thereof, a positive electrode terminal extended from one side surface of the molding part to a portion of a lower surface thereof and connected to the end portion of the tantalum wire, and a negative electrode terminal extended from the other side surface of the molding part to a portion of the lower surface thereof and connected to the other side surface of the capacitor body.Type: GrantFiled: June 26, 2014Date of Patent: June 13, 2017Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hong Kyu Shin, Wan Suk Yang, Hyun Sub Oh, Jae Bum Cho, Jeong Oh Hong
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Publication number: 20170160593Abstract: A liquid crystal display (LCD) includes a first substrate which has a first surface, a first alignment layer which is disposed on the first surface of the first substrate and includes a polymerization initiator, a photocurable layer which is formed on the first alignment layer and includes an azobenzene group, a second substrate which has a first surface facing the first substrate and a second surface located opposite the first surface thereof, a second alignment layer which is disposed on the first surface of the second substrate, and a liquid crystal layer which is interposed between the photocurable layer and the second alignment layer.Type: ApplicationFiled: June 15, 2016Publication date: June 8, 2017Inventors: Jae Bum CHO, Hyeok Jin LEE, Oh Jeong KWON, Ka Eun KIM, Su Jin KIM, Ki Chul SHIN
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Publication number: 20170139280Abstract: A liquid crystal display device includes a first substrate, a first alignment film disposed on the first substrate, a second substrate, and a liquid crystal layer disposed between the first alignment film and the second substrate. The first substrate has a surface curved in a first direction and the second substrate has a surface curved in the first direction. The first alignment film includes a polymerization initiator and a polymer chain that is a copolymer of a dianhydride-based compound and a diamine-based compound. The polymer chain includes a main chain including a repeating unit including an imide group, a first side chain, including a vertical align group, bonded to the main chain, and a second side chain bonded to the main chain. The functional group includes a biphenyl group or a terphenyl group.Type: ApplicationFiled: November 17, 2016Publication date: May 18, 2017Inventors: Hyeok Jin Lee, Oh Jeong Kwon, Jae Bum Cho, Ka Eun Kim, Su Jin Kim, Ki Chul Shin
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Publication number: 20170115401Abstract: A GNSS receiver includes a RF unit, a baseband processing unit, a storage unit, a mode control unit and a counter unit. The RF unit receives a satellite signal from an external satellite. The baseband processing unit determines present operation environment of the GNSS receiver based on the satellite signal. The storage unit stores information received by the RF unit and information generated by the baseband processing unit. The mode control unit controls an operation mode of the GNSS receiver based on the present operation environment. The operation mode includes a normal mode and a low power mode. The counter unit counts a first number representing a number of consecutive times in which the GNSS receiver has entered the low power mode. When the GNSS receiver enters the low power mode, the mode control unit turns off at least one of the RF unit, the baseband processing unit and the storage unit based on the first number.Type: ApplicationFiled: October 14, 2016Publication date: April 27, 2017Inventors: Jung-Jun Park, Woo-Jin Lee, Jae-Bum Cho
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Patent number: 9576740Abstract: A tantalum capacitor may include two tantalum wires exposed through two surfaces of a capacitor body opposing each other, first and second positive electrode terminals, connected to the tantalum wires, respectively, and disposed on two surfaces of a molded part opposing each other, and a negative electrode terminal disposed between the first and second positive electrode terminals. The negative electrode terminal may be electrically connected to the capacitor body by a via electrode or a pad electrode disposed between the negative electrode terminal and the capacitor body.Type: GrantFiled: October 7, 2014Date of Patent: February 21, 2017Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hong Kyu Shin, Jae Bum Cho, Jae Hyuk Choi, Wan Suk Yang, Hyoung Sun Ham, Hyun Sub Oh
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Publication number: 20170040117Abstract: A solid electrolytic capacitor includes a capacitor body including a sintered body of tantalum powders; an anode wire having a first region in a width direction embedded in the capacitor body and a second region in the width direction led through one surface of the capacitor body; an encapsulant part enclosing the capacitor body and the anode wire; an anode terminal disposed on an outer surface of the encapsulant part and connected to the anode wire; a cathode terminal spaced apart from the anode terminal and disposed on the outer surface of the encapsulant part; and a cathode lead portion electrically connecting the capacitor body and the cathode terminal to each other, wherein at least one of the anode wire and the cathode lead portion is provided in plural.Type: ApplicationFiled: February 5, 2016Publication date: February 9, 2017Inventors: Hong Kyu SHIN, Jae Bum CHO, Jae Hyuk CHOI