Patents by Inventor Ho Yun Cho
Ho Yun 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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Publication number: 20150215501Abstract: A camera module is disclosed. The camera module in accordance with an embodiment of the present invention includes: an optical unit; an image sensor arranged in a lower side of the optical unit and configure to receive light having penetrated the optical unit; and a shielding member formed on a surface of the image sensor so as to shield electromagnetic waves brought into the image sensor.Type: ApplicationFiled: September 24, 2014Publication date: July 30, 2015Inventor: Ho-Yun CHO
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Publication number: 20150130990Abstract: There is provided a camera module, including: a housing including a lens barrel therein; an actuator including a driving coil wound around an outer surface of the lens barrel and a magnet disposed in the housing to face the driving coil; a substrate disposed on a lower portion of the housing and having an image sensor attached to one surface thereof; and an offset coil provided on the substrate, wherein the driving coil generates a magnetic field in a direction toward the offset coil and the offset coil generates a magnetic field in a direction toward the driving coil.Type: ApplicationFiled: April 3, 2014Publication date: May 14, 2015Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Ho Yun CHO, Hee Bum Lee, Young Seok Yoon
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Publication number: 20150070299Abstract: Disclosed herein is a touch sensor to recognize a gesture, including: a touch sensor including first electrode patterns and second electrode patterns which are formed on a base substrate in a direction intersection each other, a mode selection unit, a first switching circuit unit, a second switching circuit unit and a control unit detecting a switching operation of the first switching circuit unit and the second switching circuit unit and a change in mutual capacitance in the first electrode pattern group and the second electrode pattern group depending on an operation mode selection of the touch sensor.Type: ApplicationFiled: March 4, 2014Publication date: March 12, 2015Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Kyoung Soo CHAE, Je Ho LEE, Ho Yun CHO, Yun Ki HONG
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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: 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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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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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: 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: 20130342193Abstract: Disclosed herein are a sensor for a digitizer and a method of manufacturing the same. The sensor includes a magnetic layer having insulation; a first coil embedded in the magnetic layer; a second coil formed on one surface of the magnetic layer; and an insulating layer formed on one surface of the magnetic layer to cover the second coil. Thus, since the first coil and the second coil are formed on the magnetic layer formed of a magnetic material, a magnetic field is stably formed between coils and stability of signals transmitted and received between a coil and an input device is increased.Type: ApplicationFiled: November 1, 2012Publication date: December 26, 2013Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Dong Sik Yoo, Hee Bum Lee, Ho Yun Cho, Yun Ki Hong, Kyoung Soo Chae
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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
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Publication number: 20130250190Abstract: Disclosed herein is a back light unit integrated digitizer. The back light unit integrated digitizer includes a cover disposed on one surface of the back light unit to protect the back light unit; and a loop coil formed on the cover, wherein the loop coil is directly formed on the cover of the back light unit to integrally form the digitizer in the back light unit, thereby reducing the overall thickness to implement slimness and saving manufacturing costs to secure price competitiveness.Type: ApplicationFiled: March 22, 2013Publication date: September 26, 2013Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Dong Sik Yoo, Hee Bum Lee, Jong In Na, Ho Yun Cho, Yun Ki Hong, Kyoung Soo Chae