Patents by Inventor Sang Gab Park
Sang Gab Park 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: 20240121996Abstract: A display device is provided. The display device includes a substrate including a display area and a pad area, which is disposed on one side of the display area, a plurality of conductive layers disposed on the substrate, in the display area and the pad area, a passivation layer disposed on the conductive layers, and a plurality of light-emitting elements disposed on the passivation layer, in the display area, and spaced apart from one another, wherein at least one of the conductive layers includes a first metal layer, a second metal layer, which is disposed on the first metal layer, and a third metal layer, which is disposed on the second metal layer, the first metal layer includes vanadium (V), the second metal layer includes aluminum (Al) or an Al alloy, and the third metal layer includes V or titanium (Ti).Type: ApplicationFiled: July 31, 2023Publication date: April 11, 2024Inventors: Hyun Eok SHIN, Sang Gab KIM, Joon Yong PARK, Do Keun SONG, Su Kyoung YANG, Dong Min LEE
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Patent number: 9496796Abstract: A multi-output power supply apparatus may include a transformer unit transforming a voltage level of input power using a primary winding and first and second secondary windings, a first output unit stabilizing power applied to the first secondary winding using a voltage multiplier circuit and outputting first power, and a second output unit stabilizing power applied to the second secondary winding and outputting second power.Type: GrantFiled: February 2, 2015Date of Patent: November 15, 2016Assignee: SOLUM CO., LTDInventors: Sang Gab Park, Hong Sun Park, Dong Kyun Ryu, Hyun Seo Park, Sang In Jang
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Patent number: 9455591Abstract: Embodiments of the invention provide a power supply including a transformer comprising a single output terminal on a secondary side, a first output unit comprising a first capacitor and connected to the single output terminal to output a first output voltage, a second output unit comprising a second capacitor having a larger capacity than the first capacitor and connected to the single output terminal to output a second output voltage, and a controller configured to control the first output voltage to be output until power is applied and charging of the second capacitor is started.Type: GrantFiled: November 7, 2014Date of Patent: September 27, 2016Assignee: SOLUM CO., LTDInventors: Gyu Min Park, Nam Jin Park, Sang Gab Park, Kwang Seung Cho
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Patent number: 9318356Abstract: Disclosed herein is a substrate strip including: a substrate region having a plurality of substrate units formed therein; a dummy region enclosing the substrate region; a plurality of metal patterns formed at a predetermined size in the dummy region; and rib patterns formed between the metal patterns.Type: GrantFiled: November 13, 2013Date of Patent: April 19, 2016Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Joong Sun Kim, Sang Gab Park, Kwang Seop Youm
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Publication number: 20160006361Abstract: A multi-output power supply apparatus may include a transformer unit transforming a voltage level of input power using a primary winding and first and second secondary windings, a first output unit stabilizing power applied to the first secondary winding using a voltage multiplier circuit and outputting first power, and a second output unit stabilizing power applied to the second secondary winding and outputting second power.Type: ApplicationFiled: February 2, 2015Publication date: January 7, 2016Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sang Gab Park, Hong Sun Park, Dong Kyun Ryu, Hyun Seo Park, Sang In Jang
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Publication number: 20150130425Abstract: Embodiments of the invention provide a power supply including a transformer comprising a single output terminal on a secondary side, a first output unit comprising a first capacitor and connected to the single output terminal to output a first output voltage, a second output unit comprising a second capacitor having a larger capacity than the first capacitor and connected to the single output terminal to output a second output voltage, and a controller configured to control the first output voltage to be output until power is applied and charging of the second capacitor is started.Type: ApplicationFiled: November 7, 2014Publication date: May 14, 2015Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Gyu Min PARK, Nam Jin PARK, Sang Gab PARK, Kwang Seung CHO
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Patent number: 8860317Abstract: There is provided a multi power supply apparatus for driving light emitting diodes that is synchronized with a frequency of one output power of multi output power to control a switching of the multi output power and simplifies power conversion in supplying power for driving light emitting diodes.Type: GrantFiled: January 31, 2011Date of Patent: October 14, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Sang Gab Park, Heung Gyoon Choi, Nam Jin Park, Tae Shik Kim, Tae Hyung Kang
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Publication number: 20140240949Abstract: Disclosed herein is a substrate strip including: a substrate region having a plurality of substrate units formed therein; a dummy region enclosing the substrate region; a plurality of metal patterns formed at a predetermined size in the dummy region; and rib patterns formed between the metal patterns.Type: ApplicationFiled: November 13, 2013Publication date: August 28, 2014Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Joong Sun KIM, Sang Gab PARK, Kwang Seop YOUM
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Patent number: 8786204Abstract: There are provided a DC/DC converter and a driving apparatus having the same. The DC/DC converter includes a DC/DC converter part converting an input power into a predetermined DC power by switching the input power to thereby supply the converted DC power to a light emitting device; and a control part controlling switching of the DC/DC converter part in accordance with a driving signal applied to the light emitting device to thereby control a voltage level of the DC power.Type: GrantFiled: March 14, 2012Date of Patent: July 22, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Sang Gab Park, Nam Jin Park, Heung Gyoon Choi, Han Hee Lee, Hyo Joong An, Kyu Min Park, Su Hun Jo
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Patent number: 8717784Abstract: The present invention provides a control circuit of an LLC resonant converter including a minimum switching frequency variable circuit of varying a minimum switching frequency corresponding to an AC input voltage of the LLC resonant converter; and a first pulse signal generating unit and a second pulse signal generating unit to generate a first pulse signal and a second pulse signal based on a switching frequency limited by the minimum switching frequency variable circuit.Type: GrantFiled: December 1, 2011Date of Patent: May 6, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Sang Gab Park, Nam Jin Park, Han Hee Lee, Hyo Joong An, Gyu Min Park, Heung Gyoon Choi
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Patent number: 8508157Abstract: A power supply device for driving a light emitting diode (LED) capable of controlling the switching of multiple output powers, in synchronization with the frequency of one of the multiple output powers and simplifying a power conversion stage in supplying power for driving an LED.Type: GrantFiled: July 12, 2011Date of Patent: August 13, 2013Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Tae Shik Kim, Heung Gyoon Choi, Yun Ki Kang, Tae Hyung Kang, Sang Gab Park
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Publication number: 20130169180Abstract: There are provided a DC/DC converter and a driving apparatus having the same. The DC/DC converter includes a DC/DC converter part converting an input power into a predetermined DC power by switching the input power to thereby supply the converted DC power to a light emitting device; and a control part controlling switching of the DC/DC converter part in accordance with a driving signal applied to the light emitting device to thereby control a voltage level of the DC power.Type: ApplicationFiled: March 14, 2012Publication date: July 4, 2013Inventors: Sang Gab PARK, Nam Jin PARK, Heung Gyoon CHOI, Han Hee LEE, Hyo Joong AN, Kyu Min PARK, Su Hun JO
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Patent number: 8446103Abstract: There is provided a lamp driver including: a power supplying part switching an input power, supplying a driving power to at least one lamp, and controlling brightness of the at least one lamp according to a dimming signal; a signal supplying part supplying a first comparison result signal obtained by comparing a current sensing signal sensing a current flowing through the at least one lamp with a reference signal having a current level set beforehand when the dimming signal is a logic high signal, and supplying a second comparison result signal having a voltage level set beforehand when the dimming signal is a logic low signal; and a controlling part controlling the switching of the power supplying part according to a signal being supplied by the signal supplying part.Type: GrantFiled: September 21, 2010Date of Patent: May 21, 2013Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Sang Kyoo Han, Sung Soo Hong, Chung Wook Roh, Sang Gab Park, Young Seung Roh, Hyo Joong An, Heung Gyoon Choi, Han Hee Lee
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Patent number: 8373354Abstract: There is provided a backlight unit driver capable of driving multi-channel lamps of a backlight unit, especially LED lamps, by supplying a driving power to the lamps using a single transformer and maintaining the current balance of the driving power supplied to each of the lamps.Type: GrantFiled: February 7, 2011Date of Patent: February 12, 2013Assignee: Samsung Electro-Mechanics, Co., Ltd.Inventors: Sang Kyoo Han, Sung Soo Hong, Chung Wook Roh, Sang Gab Park, Kyu Min Park, Young Seung Roh, Heung Gyoon Choi, Nam Jin Park
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Publication number: 20120163038Abstract: The present invention provides a control circuit of an LLC resonant converter including a minimum switching frequency variable circuit of varying a minimum switching frequency corresponding to an AC input voltage of the LLC resonant converter; and a first pulse signal generating unit and a second pulse signal generating unit to generate a first pulse signal and a second pulse signal based on a switching frequency limited by the minimum switching frequency variable circuit.Type: ApplicationFiled: December 1, 2011Publication date: June 28, 2012Inventors: Sang Gab Park, Nam Jin Park, Han Hee LEE, Hyo Joong An, Gyu Min Park, Heung Gyoon Choi
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Publication number: 20120007512Abstract: A power supply device for driving a light emitting diode (LED) capable of controlling the switching of multiple output powers, in synchronization with the frequency of one of the multiple output powers and simplifying a power conversion stage in supplying power for driving an LED.Type: ApplicationFiled: July 12, 2011Publication date: January 12, 2012Inventors: Tae Shik KIM, Heung Gyoon Choi, Yun Ki Kang, Tae Hyung Kang, Sang Gab Park
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Publication number: 20110260631Abstract: There is provided a multi power supply apparatus for driving light emitting diodes that is synchronized with a frequency of one output power of multi output power to control a switching of the multi output power and simplifies power conversion in supplying power for driving light emitting diodes.Type: ApplicationFiled: January 31, 2011Publication date: October 27, 2011Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sang Gab PARK, Heung Gyoon CHOI, Nam Jin PARK, Tae Shik KIM, Tae Hyung KANG
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Publication number: 20110234111Abstract: There is provided a lamp driver including: a power supplying part switching an input power, supplying a driving power to at least one lamp, and controlling brightness of the at least one lamp according to a dimming signal; a signal supplying part supplying a first comparison result signal obtained by comparing a current sensing signal sensing a current flowing through the at least one lamp with a reference signal having a current level set beforehand when the dimming signal is a logic high signal, and supplying a second comparison result signal having a voltage level set beforehand when the dimming signal is a logic low signal; and a controlling part controlling the switching of the power supplying part according to a signal being supplied by the signal supplying part.Type: ApplicationFiled: September 21, 2010Publication date: September 29, 2011Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sang Kyoo Han, Sung Soo Hong, Chung Wook Roh, Sang Gab Park, Young Seung Roh, Hyo Joong An, Heung Gyoon Choi, Han Hee Lee
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Publication number: 20110204804Abstract: There is provided a backlight unit driver capable of driving multi-channel lamps of a backlight unit, especially LED lamps, by supplying a driving power to the lamps using a single transformer and maintaining the current balance of the driving power supplied to each of the lamps.Type: ApplicationFiled: February 7, 2011Publication date: August 25, 2011Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sang Kyoo HAN, Sung Soo HONG, Chung Wook ROH, Sang Gab PARK, Kyu Min PARK, Young Seung ROH, Heung Gyoon CHOI, Nam Jin PARK