Patents by Inventor Hak Ryong Kim
Hak Ryong Kim 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: 10122212Abstract: A power supply device may be capable of wirelessly transmitting power at a plurality of resonance frequencies. The power supply device may include: a power conversion unit converting input power into first power; and a wireless power supply unit varying a switching frequency for switching the first power and wirelessly transmitting the switched first power at at least one of a plurality of resonance frequencies.Type: GrantFiled: August 29, 2014Date of Patent: November 6, 2018Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: In Wha Jeong, Hak Ryong Kim, Hugh Kim, Moo Jong Kang
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Patent number: 10116150Abstract: A conductive plate and an electronic device including the same are provided. A conductive plate to be included in a terminal and disposed on a side of a coil substrate for wireless charging the terminal includes metal members each having a plate shape and an insulating layer disposed on a surface of at least one of the metal members to insulate the metal members from each other, wherein the metal members are coupled to each other to complete a flat plate shape.Type: GrantFiled: June 9, 2016Date of Patent: October 30, 2018Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Hee Seung Kim, Jae Sun Won, Myung Hyun Sung, Tae Seok Yang, Soon Joung Yio, Hak Ryong Kim
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Publication number: 20170077727Abstract: A conductive plate and an electronic device including the same are provided. A conductive plate to be included in a terminal and disposed on a side of a coil substrate for wireless charging the terminal includes metal members each having a plate shape and an insulating layer disposed on a surface of at least one of the metal members to insulate the metal members from each other, wherein the metal members are coupled to each other to complete a flat plate shape.Type: ApplicationFiled: June 9, 2016Publication date: March 16, 2017Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hee Seung KIM, Jae Sun WON, Myung Hyun SUNG, Tae Seok YANG, Soon Joung YIO, Hak Ryong KIM
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Publication number: 20160352233Abstract: A power supply device includes a coil unit including at least one primary coil wirelessly transmitting power according to switching frequency for switching input power, and at least one secondary coil spaced apart from the at least one primary coil. A power conversion ratio is determined with respect to the at least one primary coil according to magnetic flux directly received from the at least one primary coil. The power supply device also includes a support unit maintaining a distance between the at least one primary coil and the at least one secondary coil.Type: ApplicationFiled: August 10, 2016Publication date: December 1, 2016Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: In Wha JEONG, Hugh KIM, Hak Ryong KIM, Myeong Chan KIM
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Publication number: 20160109948Abstract: A touchscreen panel includes: a panel; a piezoelectric vibrating part provided on a side of the panel to generate power and vibrations; a touch sensing part provided on one surface of the piezoelectric vibrating part opposite to the other surface of the piezoelectric vibrating part facing the panel; and a substrate provided on a side of the touch sensing part.Type: ApplicationFiled: February 20, 2015Publication date: April 21, 2016Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: In Wha JEONG, Jong Heum PARK, Hak Ryong KIM
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Publication number: 20160071490Abstract: An electronic label electronically displaying information, and a display control method of the electronic label. The electronic label includes a first display configured to have front and back surfaces with polarizing filters attached on the both surfaces, respectively, and display, on the front surface, information that is able to be seen with bare eyes, a second display configured to have front and back surfaces with a polarizing filter attached only on the back surface, and display, on the front surface, information that is unable to be seen with bare eyes, a communication module configured to communicate with a server or a gateway, a memory configured to store information received through the communication module, and a controller configured to control operations of the first display and the second display.Type: ApplicationFiled: May 19, 2015Publication date: March 10, 2016Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: In Wha JEONG, Jong Heum PARK, Hak Ryong KIM, Ju Yong KIM
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Publication number: 20150287903Abstract: The piezoelectric transformer according to an exemplary embodiment includes: at least one input unit; and a plurality of output units connected to the input unit, wherein the plurality of output units output different levels of voltage. Here, the input unit and each of the output units have an insulating layer interposed therebetween. In addition, in order to output various levels of voltage, the output units have different volumes or are formed of different materials.Type: ApplicationFiled: January 27, 2015Publication date: October 8, 2015Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: In Wha JEONG, Hugh KIM, Jong Heum PARK, Hak Ryong KIM
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Publication number: 20150116065Abstract: A power supply device includes a coil unit including at least one primary coil wirelessly transmitting power according to switching frequency for switching input power, and at least one secondary coil spaced apart from the at least one primary coil. A power conversion ratio is determined with respect to the at least one primary coil according to magnetic flux directly received from the at least one primary coil. The power supply device also includes a support unit maintaining a distance between the at least one primary coil and the at least one secondary coil.Type: ApplicationFiled: October 23, 2014Publication date: April 30, 2015Inventors: In Wha JEONG, Hugh KIM, Hak Ryong KIM, Myeong Chan KIM
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Publication number: 20150061403Abstract: A power supply device may be capable of wirelessly transmitting power at a plurality of resonance frequencies. The power supply device may include: a power conversion unit converting input power into first power; and a wireless power supply unit varying a switching frequency for switching the first power and wirelessly transmitting the switched first power at at least one of a plurality of resonance frequencies.Type: ApplicationFiled: August 29, 2014Publication date: March 5, 2015Inventors: In Wha JEONG, Hak Ryong KIM, Hugh KIM, Moo Jong KANG
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Patent number: 8107262Abstract: There is provided a variable switching frequency type power supply that can achieve high efficiency by fixing a switching duty cycle to 50% and varying switching frequency. A variable switching frequency type power supply according to an aspect of the invention may include: a switching unit switching input power; a transformation unit converting a voltage level of the power switched by the switching unit into a predetermined voltage level; a rectification unit rectifying the power converted by the transformation unit; and a control unit fixing a switching duty cycle of the switching unit to a predetermined switching duty cycle, and varying switching frequency of the switching unit according to a voltage level of output power.Type: GrantFiled: December 10, 2008Date of Patent: January 31, 2012Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jae Sun Won, Sung Soo Hong, Chung Wook Roh, Sang Kyoo Han, Jong Sun Kim, Dong Seong Oh, Tae Won Heo, Dong Joong Kim, Don Sik Kim, Hak Ryong Kim
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Patent number: 8098500Abstract: A phase shift full bridge converter with a reduced current stress includes: a switching unit that switches an input voltage; a transformer that includes a first capacitor serially connected to, and having a primary side and a secondary side; an auxiliary circuit unit that includes a first switch, a second switch, and a second capacitor, which are connected in parallel to the secondary side of the transformer; and a rectification unit that is connected to the auxiliary circuit unit, with an output inductor being removed.Type: GrantFiled: September 19, 2008Date of Patent: January 17, 2012Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Tae Won Heo, Gun Woo Moon, Woo Jin Lee, Ki Bum Park, Don Sik Kim, Chong Eun Kim, Jong Pil Kim, Sang Cheol Bong, Hak Ryong Kim, Dong Joong Kim
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Patent number: 7969752Abstract: In accordance with the present invention, the switching power supply device using a current sharing transformer includes an inverter switching unit for switching an input voltage; a set of share inductors connected to the inverter switching unit for distributing a current applied by the inverter switching unit; first and second transformers of which each primary side connected to the set of share inductors is connected in parallel to each other; and a rectifying unit connected to secondary sides of the first and second transformers.Type: GrantFiled: May 1, 2008Date of Patent: June 28, 2011Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Sang Cheol Bong, Tae Young Ahn, Don Sik Kim, Hak Ryong Kim, Myung Hyun Sung, Do Heung Na, Jong Pil Kim, Dong Joong Kim, Tae Won Heo, Dong Wook Lee
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Patent number: 7742319Abstract: Provided is a transformer having resonant inductance, the transformer including a core that includes a first leg formed in one side thereof, a second leg which is formed in the other side thereof so as to be electromagnetically coupled to the first leg, and a third leg which is formed between the first and second legs so as to be electromagnetically coupled to the first and second legs; a primary winding that is wound around one side of the third leg; a secondary winding that is wound around the other side of the third leg so as to induce power through electromagnetic induction with the primary winding; and a resonant inductance winding that is wound around the outside of the core so as not to be magnetically induced by magnetic fluxes generated from the primary and secondary windings.Type: GrantFiled: September 17, 2008Date of Patent: June 22, 2010Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Don Sik Kim, Gun Woo Moon, Kyu Min Cho, Young Do Kim, In Ho Cho, Hak Ryong Kim, Jong Pil Kim, Dong Joong Kim, Tae Won Heo, Sang Cheol Bong
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Publication number: 20100033993Abstract: Provided is a transformer having resonant inductance, the transformer including a core that includes a first leg formed in one side thereof, a second leg which is formed in the other side thereof so as to be electromagnetically coupled to the first leg, and a third leg which is formed between the first and second legs so as to be electromagnetically coupled to the first and second legs; a primary winding that is wound around one side of the third leg; a secondary winding that is wound around the other side of the third leg so as to induce power through electromagnetic induction with the primary winding; and a resonant inductance winding that is wound around the outside of the core so as not to be magnetically induced by magnetic fluxes generated from the primary and secondary windings.Type: ApplicationFiled: September 17, 2008Publication date: February 11, 2010Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Don Sik Kim, Gun Woo Moon, Kyu Min Cho, Young Do Kim, In Ho Cho, Hak Ryong Kim, Jong Pil Kim, Dong Joong Kim, Tae Won Heo, Sang Cheol Bong
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Publication number: 20100014321Abstract: There is provided a variable switching frequency type power supply that can achieve high efficiency by fixing a switching duty cycle to 50% and varying switching frequency. A variable switching frequency type power supply according to an aspect of the invention may include: a switching unit switching input power; a transformation unit converting a voltage level of the power switched by the switching unit into a predetermined voltage level; a rectification unit rectifying the power converted by the transformation unit; and a control unit fixing a switching duty cycle of the switching unit to a predetermined switching duty cycle, and varying switching frequency of the switching unit according to a voltage level of output power.Type: ApplicationFiled: December 10, 2008Publication date: January 21, 2010Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Jae Sun WON, Sung Soo Hong, Chung Wook Roh, Sang Kyoo Han, Jong Sun Kim, Dong Seong Oh, Tae Won Heo, Dong Joong Kim, Don Sik Kim, Hak Ryong Kim
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Publication number: 20100002471Abstract: A phase shift full bridge converter with a reduced current stress includes: a switching unit that switches an input voltage; a transformer that includes a first capacitor serially connected to, and having a primary side and a secondary side; an auxiliary circuit unit that includes a first switch, a second switch, and a second capacitor, which are connected in parallel to the secondary side of the transformer; and a rectification unit that is connected to the auxiliary circuit unit, with an output inductor being removed.Type: ApplicationFiled: September 19, 2008Publication date: January 7, 2010Inventors: Tae Won HEO, Gun Woo MOON, Woo Jin LEE, Ki Bum PARK, Don Sik KIM, Chong Eun KIM, Jong Pil KIM, Sang Cheol BONG, Hak Ryong KIM, Dong Joong KIM
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Publication number: 20090231884Abstract: In accordance with the present invention, the switching power supply device using a current sharing transformer includes an inverter switching unit for switching an input voltage; a share inductor for classification connected to the inverter switching unit for distributing a current applied by the inverter switching unit; first and second transformers of which each primary side connected to the share inductor for classification is connected in parallel to each other; and a rectifying unit connected to secondary sides of the first and second transformers.Type: ApplicationFiled: May 1, 2008Publication date: September 17, 2009Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sang Cheol BONG, Tae Young Ahn, Don Sik Kim, Hak Ryong Kim, Myung Hyun Sung, Do Heung Na, Jong Pil Kim, Dong Joong Kim, Tae Won Heo, Dong Wook Lee
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Patent number: D769187Type: GrantFiled: March 20, 2015Date of Patent: October 18, 2016Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Yong Woon Park, Chang Ik Kim, Hugh Kim, Jae Suk Sung, Hak Ryong Kim, Dong Ryul Lee, Woo Sung Jung