Patents by Inventor Dong Sik Yoo
Dong Sik Yoo 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: 10229789Abstract: A multilayer thin-film capacitor includes a first multilayer body and a second multilayer body spaced apart from each other in a vertical direction by a split layer. The second multilayer body is disposed on a lower surface of the first multilayer body, the first multilayer body constitutes a top capacitor, and the second body constitutes a bottom capacitor. First, second, and third external terminals may be disposed on an upper surface of the first multilayer body and be connected to internal electrode layers of the first and second multilayer bodies.Type: GrantFiled: April 21, 2017Date of Patent: March 12, 2019Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: No Il Park, Hyun Ho Shin, Seung Mo Lim, Dong Sik Yoo
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Publication number: 20180350790Abstract: A capacitor includes a plurality of cells each including a capacitance formation portion in which a plurality of trenches are positioned and a margin portion disposed around the capacitance formation portion. The cell includes three or more dielectric layers disposed in the capacitance formation portion and extending in the trenches, and three or more electrode layers sequentially stacked with dielectric layers interposed therebetween and extending in the trenches. At least first and second electrode layers have opposite polarities and each include a lead electrode extending from the capacitance formation portion to the margin portion. A lead electrode of the first electrode layer is disposed in a first region disposed to one side of a central portion of a cell, and a lead electrode of the second electrode layer is disposed in a second region disposed on another side of a central portion of the cell.Type: ApplicationFiled: December 4, 2017Publication date: December 6, 2018Inventors: Hyun Ho SHIN, Woong Do JUNG, Jong Suk HAN, Dong Sik YOO, Jeong Hoon RYOU, No IL PARK, Seung Mo LIM, IL Ro LEE
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Publication number: 20180315550Abstract: A capacitor includes a support member included in a body, a plurality of pillars disposed in an upper portion of the support member and each having a lower portion wider than an upper portion, and a capacitor layer disposed on a side surface and an upper surface of each pillar and including a dielectric layer and first and second electrodes alternately disposed with the dielectric layer interposed therebetween. Lower end portions of adjacent pillars are in contact with each other.Type: ApplicationFiled: September 19, 2017Publication date: November 1, 2018Inventors: Jeong Hoon RYOU, Dong Sik YOO, Seung Hun HAN, No Il PARK, Seung Mo LIM, Hyun Ho SHIN
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Publication number: 20180308638Abstract: A capacitor includes a body including a substrate and a capacitance layer disposed on the substrate. The substrate includes a plurality of first trenches penetrating from one surface of the substrate to an interior of the substrate, and a first capacitor layer disposed on the one surface of the substrate and in the first trenches. The first capacitor layer includes a first dielectric layer and first and second electrodes disposed on opposing sides thereof. The capacitance layer includes a plurality of second trenches penetrating from one surface of the capacitance layer to an interior of the capacitance layer, and a second capacitor layer disposed on the one surface of the capacitance layer and in the second trenches. The second capacitor layer includes a second dielectric layer and third and fourth electrodes disposed on opposing sides thereof. A method of manufacturing the capacitor is also provided.Type: ApplicationFiled: September 22, 2017Publication date: October 25, 2018Inventors: Jeong Hoon RYOU, Dong Sik YOO, Seung Hun HAN, No Il PARK, Seung Mo LIM, Hyun Ho SHIN
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Publication number: 20180122580Abstract: A multilayer thin-film capacitor includes a first multilayer body and a second multilayer body spaced apart from each other in a vertical direction by a split layer. The second multilayer body is disposed on a lower surface of the first multilayer body, the first multilayer body constitutes a top capacitor, and the second body constitutes a bottom capacitor. First, second, and third external terminals may be disposed on an upper surface of the first multilayer body and be connected to internal electrode layers of the first and second multilayer bodies.Type: ApplicationFiled: April 21, 2017Publication date: May 3, 2018Inventors: No Il PARK, Hyun Ho SHIN, Seung Mo LIM, Dong Sik YOO
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Publication number: 20180040422Abstract: A thin-film ceramic capacitor includes a body in which dielectric layers and first and second electrode layers are alternately disposed on a substrate, and first and second electrode pads disposed on external surfaces of the body. A plurality of vias are disposed in the body. Each of a plurality of first vias connects the first electrode layers and the first electrode pad to each other. Each of a plurality of second vias connects the second electrode layers and the second electrode pad to each other. A separation slit is disposed to penetrate from an upper surface of the body and extend to the substrate, and the pluralities of first and second vias are disposed symmetrically with respect to the separation slit.Type: ApplicationFiled: June 13, 2017Publication date: February 8, 2018Inventors: Hyun Ho SHIN, Woong Do JUNG, Young Seok YOON, Dong Sik YOO, No Il PARK, Seung Mo LIM, Il Ro LEE
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Publication number: 20150220198Abstract: Disclosed herein are a display device including a stylus pen including: a touch sensor; and a stylus pen detecting a pressure generated due to a touch on the touch sensor and generating a driving signal corresponding to the pressure and applying the generated driving signal to the touch sensor, and and an image information displaying method using the same.Type: ApplicationFiled: November 11, 2014Publication date: August 6, 2015Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Dong Sik Yoo, Peter Jean Woo Lim, Hee Bum Lee
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Patent number: 8970549Abstract: Disclosed herein are a touch screen and a method for driving the same. The touch screen includes: a switching unit including a plurality of switches connected to traces of driving lines and sensing lines of the touch screen, respectively; a sensing unit sensing capacitance and electromagnetic resonance (EMR) according to a switching operation of the switching unit; and a main controlling unit controlling the switching operation of the switching unit according to an operation mode of the touch screen. Therefore, it is possible to improve sensitivity of sensing without increasing a bezel region of the touch screen. In addition, the EMR and the capacitance may be sensed using the same trace structure, and an antenna pattern may be formed and operated as an antenna.Type: GrantFiled: March 17, 2013Date of Patent: March 3, 2015Assignee: Samsung Electro-Machanics Co., Ltd.Inventors: Hee Bum Lee, Dong Sik Yoo, Ho Yun Cho, Jae Hyuk Jang, Yun Ki Hong, Kyoung Soo Chae
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Patent number: 8902188Abstract: Disclosed herein is a digitizer, including: an input unit in which a magnet is embedded; a driving coil in which source supplies to induce a line of magnetic force; a sensing coil in which voltage or current is induced by the line of magnetic force; and a controlling unit supplying the source to the driving coil and measuring the voltage or the current induced in the sensing coil, wherein the controlling unit senses a change amount in the voltage or the current induced in the sensing coil to calculate a coordinate, when the voltage or the current induced in the sensing coil is changed by the magnet.Type: GrantFiled: February 21, 2013Date of Patent: December 2, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Dong Sik Yoo, Kyoung Soo Chae, Ho Joon Park
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Patent number: 8890829Abstract: Disclosed herein is a digitizer including: a driving coil supplied with current to induce a magnetic line of force; a sensing coil disposed so as to intersect the driving coil to flow induced current in one direction by the magnetic line of force; and a control unit sensing variation of voltage induced to the sensing coil to calculate coordinates of the input unit when the voltage is changed due to an approach of an input unit.Type: GrantFiled: October 24, 2012Date of Patent: November 18, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Ho Yun Cho, Hee Bum Lee, Kyoung Soo Chae, Dong Sik Yoo, Yun Ki Hong
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Patent number: 8890828Abstract: Disclosed herein is a digitizer including: an input unit having a magnetic field shielding part embedded therein; a driving coil supplied with current to induce a magnetic line of force; a sensing coil to which voltage is induced by the magnetic line of force; and a control unit supplying current to the driving coil and measuring voltage induced to the sensing coil, wherein the control unit senses variation of voltage induced to the sensing coil to calculate coordinates of the input unit when the voltage induced to the sensing coil is changed by the magnetic field shielding part.Type: GrantFiled: October 24, 2012Date of Patent: November 18, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Dong Sik Yoo, Kyoung Soo Chae, Hee Bum Lee, Ho Yun Cho, Yun Ki Hong
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Publication number: 20140253822Abstract: Disclosed herein is a display device including a touch panel including: a touch panel including a window substrate and an electrode pattern formed on one surface of the window substrate and a display unit bonded to one surface of the touch panel, wherein a stopper is formed in a spaced space between the display unit and the electrode pattern facing each other.Type: ApplicationFiled: June 19, 2013Publication date: September 11, 2014Inventors: Yun Ki Hong, Kyoung Soo Chae, Dong Sik Yoo, Ho Yun Cho, Hee Bum Lee, Jang Ho Park
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Publication number: 20140176486Abstract: Disclosed herein are a touch screen and a method for driving the same. The touch screen includes: a switching unit including a plurality of switches connected to traces of driving lines and sensing lines of the touch screen, respectively; a sensing unit sensing capacitance and electromagnetic resonance (EMR) according to a switching operation of the switching unit; and a main controlling unit controlling the switching operation of the switching unit according to an operation mode of the touch screen. Therefore, it is possible to improve sensitivity of sensing without increasing a bezel region of the touch screen. In addition, the EMR and the capacitance may be sensed using the same trace structure, and an antenna pattern may be formed and operated as an antenna.Type: ApplicationFiled: March 17, 2013Publication date: June 26, 2014Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hee Bum Lee, Dong Sik Yoo, Ho Yun Cho, Jae Hyuk Jang, Yun Ki Hong, Kyoung Soo Chae
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Publication number: 20140146003Abstract: There are provided a digitizer pen, an input device, and an operating method thereof. The digitizer pen includes a body unit; and a pair of pen coil units provided in the body unit and disposed adjacently to both ends of the body unit in a length direction thereof, respectively, wherein at least one pen coil unit of the pair of pen coil units is operated by being electromagnetically coupled to a sensor coil close thereto.Type: ApplicationFiled: March 15, 2013Publication date: May 29, 2014Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jae Hyuk JANG, Kyoung Soo Chae, Dong Sik Yoo, Chang Ryul Jung, Hee Bum Lee
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Publication number: 20140071083Abstract: Disclosed herein is a digitizer including: a transparent substrate; an electrode formed on the transparent substrate to sense a change in capacitance; and a coil formed on the transparent substrate to receive a signal transmitted from the outside. As the touch input unit, various units such as an electronic pen and user's finger, and the like, can be used.Type: ApplicationFiled: December 28, 2012Publication date: March 13, 2014Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Dong Sik Yoo, Hee Bum Lee, Kyoung Soo Chae, Ho Yun Cho, Seung Joo Shin, Yun Ki Hong
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Publication number: 20140062921Abstract: Disclosed herein is a digitizer, including: a transparent substrate that is partitioned into an active area and an inactive area at an outside of the active area; an electrode that is formed in the active area on one surface of the transparent substrate; a coil that is formed in the active area on one surface of the transparent substrate; and a magnetic sheet that is formed in the inactive area on the other surface of the transparent substrate corresponding to the coil.Type: ApplicationFiled: August 2, 2013Publication date: March 6, 2014Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Ho Yun Cho, Hee Bum Lee, Kyoung Soo Chae, Dong Sik Yoo, Yun Ki Hong
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Publication number: 20140055404Abstract: Disclosed herein is a digitizer including: a driving coil supplied with current to induce a magnetic line of force; a sensing coil disposed so as to intersect the driving coil to flow induced current in one direction by the magnetic line of force; and a control unit sensing variation of voltage induced to the sensing coil to calculate coordinates of the input unit when the voltage is changed due to an approach of an input unit.Type: ApplicationFiled: October 24, 2012Publication date: February 27, 2014Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Ho Yun Cho, Hee Bum Lee, Kyoung Soo Chae, Dong Sik Yoo, Yun Ki Hong
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Publication number: 20140035838Abstract: Disclosed herein is a digitizer including: an input unit having a magnetic field shielding part embedded therein; a driving coil supplied with current to induce a magnetic line of force; a sensing coil to which voltage is induced by the magnetic line of force; and a control unit supplying current to the driving coil and measuring voltage induced to the sensing coil, wherein the control unit senses variation of voltage induced to the sensing coil to calculate coordinates of the input unit when the voltage induced to the sensing coil is changed by the magnetic field shielding part.Type: ApplicationFiled: October 24, 2012Publication date: February 6, 2014Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Dong Sik Yoo, Kyoung Soo Chae, Hee Bum Lee, Ho Yun Cho, Yun Ki Hong
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Publication number: 20140035841Abstract: Disclosed herein are a sensor for a digitizer and a method for manufacturing the same. The sensor for a digitizer includes a magnetic layer having insulation property, a first coil formed on one surface of the magnetic layer, an insulating layer formed on one surface of the magnetic layer while covering the first coil, and a second coil formed on one surface of the insulating layer. By this configuration, the coil is directly formed on the magnetic layer to simplify a structure and improve stability of a signal transmitted and received from and to a coil by the magnetic layer.Type: ApplicationFiled: December 26, 2012Publication date: February 6, 2014Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Dong Sik Yoo, Kyoung Soo Chae, Ho Yun Cho, Yun Ki Hong, Hee Bum Lee
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Publication number: 20130342477Abstract: Disclosed herein is a sensor for a digitizer including a first magnetic layer, a first coil formed on one surface of the first magnetic layer, an insulating layer formed on one surface of the first magnetic layer, a second coil formed on one surface the insulating layer, and a second magnetic layer formed on one surface of the insulating layer, and a method for manufacturing the same.Type: ApplicationFiled: August 22, 2012Publication date: December 26, 2013Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Dong Sik Yoo, Kyoung Soo Chae, Hee Bum Lee, Ho Yun Cho, Yun Ki Hong