Patents by Inventor Chang-hoon Baek
Chang-hoon Baek 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).
-
Patent number: 11993056Abstract: The present invention provides a metal-plastic composite material having excellent adhesive strength and formability and a method for manufacturing the same, and specifically, the present invention provides a metal-plastic composite material and a method for manufacturing the same comprising: a metal layer; and a plastic layer on at least one surface of the metal layer, wherein a thin film layer formed of a silane coupling agent is provided between the metal layer and the plastic layer, and the metal layer and the plastic layer are bonded by covalent bonding with the silane coupling agent.Type: GrantFiled: December 9, 2020Date of Patent: May 28, 2024Assignee: POSCOInventors: Hye-Jin Yoo, Chang-Se Byeon, Jung-Su Kim, Je-Hoon Baek, Hwi-Geon Kim
-
Patent number: 10764976Abstract: A lighting device includes an ultra-wideband (UWB) sensor module configured to detect movement, a light source module having a plurality of light emitting diodes (LEDs), and a driver configured to drive the plurality of LEDs, and a first controller connected to the light source module and the UWB sensor module, the first controller being configured to receive setting data from an external control device, output the setting data to the UWB sensor module to cause the UWB sensor module to set at least one operational parameter of the UWB sensor module, and output a control signal to the driver to cause the driver to drive the plurality of LEDs.Type: GrantFiled: August 6, 2018Date of Patent: September 1, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chang Seob Kim, Chang Hoon Baek
-
Publication number: 20190191521Abstract: A lighting device includes an ultra-wideband (UWB) sensor module configured to detect movement, a light source module having a plurality of light emitting diodes (LEDs), and a driver configured to drive the plurality of LEDs, and a first controller connected to the light source module and the UWB sensor module, the first controller being configured to receive setting data from an external control device, output the setting data to the UWB sensor module to cause the UWB sensor module to set at least one operational parameter of the UWB sensor module, and output a control signal to the driver to cause the driver to drive the plurality of LEDs.Type: ApplicationFiled: August 6, 2018Publication date: June 20, 2019Applicant: Samsung Electronics Co., Ltd.Inventors: Chang Seob KIM, Chang Hoon BAEK
-
Publication number: 20180077782Abstract: A lighting system includes a plurality of lighting devices including a controller transmitting and receiving data by using near field communications (NFC) The lighting system further includes a control device that collects identification information for the plurality of respective lighting devices through the NFC communications before the plurality of lighting devices are installed. The control device also generates settings data to control the plurality of lighting devices, based on the identification information, and then transmits the generated settings data to the plurality of respective lighting devices.Type: ApplicationFiled: November 17, 2017Publication date: March 15, 2018Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chang Seob KIM, Chang Hoon BAEK, Ho Chan CHO, Seung Kwan CHOI
-
Patent number: 9854650Abstract: A lighting system includes a plurality of lighting devices including a controller transmitting and receiving data by using near field communications (NFC) The lighting system further includes a control device that collects identification information for the plurality of respective lighting devices through the NFC communications before the plurality of lighting devices are installed. The control device also generates settings data to control the plurality of lighting devices, based on the identification information, and then transmits the generated settings data to the plurality of respective lighting devices.Type: GrantFiled: August 4, 2016Date of Patent: December 26, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chang Seob Kim, Chang Hoon Baek, Ho Chan Cho, Seung Kwan Choi
-
Publication number: 20170171949Abstract: A lighting system includes a plurality of lighting devices including a controller transmitting and receiving data by using near field communications (NFC) The lighting system further includes a control device that collects identification information for the plurality of respective lighting devices through the NFC communications before the plurality of lighting devices are installed. The control device also generates settings data to control the plurality of lighting devices, based on the identification information, and then transmits the generated settings data to the plurality of respective lighting devices.Type: ApplicationFiled: August 4, 2016Publication date: June 15, 2017Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chang Seob KIM, Chang Hoon BAEK, Ho Chan CHO, Seung Kwan CHOI
-
Publication number: 20170127497Abstract: A lighting system includes a sensor unit having at least one sensor, a lighting unit having at least one light emitting diode (LED) and a driver driving the plurality of LEDs, and a control device connected to the driver and the plurality of sensors to communicate therewith. The control device is to store operational information of the driver and information obtained by the plurality of sensors every predetermined period, in which, when a certain event occurs, the control device stores operational information of the driver and information obtained by the plurality of sensors at a time when the event occurs.Type: ApplicationFiled: July 25, 2016Publication date: May 4, 2017Inventors: Chang Hoon BAEK, Kil Yoan CHUNG
-
Patent number: 9432028Abstract: A clock data recovery circuit including: a digital phase detector and deserializer configured to sample serial data using a recovery clock signal to generate an up phase error signal and a down phase error signal which correspond to a phase difference between the serial data and the recovery clock signal; a digital loop filter configured to generate an up fine code and a down fine code based on a result of counting the up and down phase error signals; a loop combiner configured to generate an up fine tuning code and a down fine tuning code by using the up and down phase error signals and the up and down fine codes; and a digitally controlled oscillator configured to generate the recovery clock signal having a frequency changed with the up and down fine tuning codes.Type: GrantFiled: May 19, 2015Date of Patent: August 30, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Tae Jin Kim, Chang Hoon Baek, Sang Kyu Lee, Jae Youl Lee
-
Publication number: 20150358024Abstract: A clock data recovery circuit including: a digital phase detector and deserializer configured to sample serial data using a recovery clock signal to generate an up phase error signal and a down phase error signal which correspond to a phase difference between the serial data and the recovery clock signal; a digital loop filter configured to generate an up fine code and a down fine code based on a result of counting the up and down phase error signals; a loop combiner configured to generate an up fine tuning code and a down fine tuning code by using the up and down phase error signals and the up and down fine codes; and a digitally controlled oscillator configured to generate the recovery clock signal having a frequency changed with the up and down fine tuning codes.Type: ApplicationFiled: May 19, 2015Publication date: December 10, 2015Inventors: Tae Jin KIM, Chang Hoon Baek, Sang Kyu Lee, Jae Youl Lee
-
Patent number: 9028086Abstract: There is provided a light source for an illumination apparatus and a method of manufacturing the same. The light source includes a light emitting device; a power unit module supplying an electrical signal to the light emitting device; a support unit having the light emitting device thereon and discharging heat generated by the light emitting device to the outside; and a housing unit covering and protecting the light emitting device, the power unit module and the support unit. The light emitting device is disposed to have a height greater than that of a contact region between the power unit module and the housing unit with relation to a lower edge of the housing unit.Type: GrantFiled: December 2, 2011Date of Patent: May 12, 2015Assignee: Samsung Electronics Co., Ltd.Inventors: Yun Seok Woo, Won Hoe Koo, Jin Woo Bae, Wuk Chul Joung, Chang Hoon Baek
-
Patent number: 9007289Abstract: A liquid crystal display includes a first gate line; a common voltage line separated from the first gate line; a data line insulated from and crossing the first gate line and the common voltage line; a first switching element connected to the first gate line and the data line; a second switching element connected to the first gate line and the data line; a first liquid crystal capacitor connected to the first switching element; a second liquid crystal capacitor connected to the second switching element; a third switching element connected to the first switching element; an assistance capacitor connected to the third switching element and the common voltage line; and a shielding electrode extending in the same direction as the first gate line and connected to the first switching element.Type: GrantFiled: April 7, 2011Date of Patent: April 14, 2015Assignee: Samsung Display Co., Ltd.Inventors: Seong-Young Lee, Ji-Sun Kim, Sung-Hoon Kim, Si Hyun Ahn, Chang hoon Baek, Chong-Chul Chai
-
Publication number: 20140068507Abstract: An apparatus and a method edit an image in a portable terminal, with the method including displaying one or more icons indicating stylus pen functions; when a highlighter icon corresponding to a highlighter function is selected among the displayed icons, displaying a text selected by a stylus pen in an image in a preset fluorescent color; and storing the displayed text in accordance with the fluorescent color.Type: ApplicationFiled: September 4, 2013Publication date: March 6, 2014Applicants: Seoul National University R&DB Foundation, Samsung Electronics Co., Ltd.Inventors: Hoon-Gon NAM, Myung-Soo KIM, Hyun-Joon KIM, Yong-Woon PARK, Chul-Woo YANG, Jee-Man LEE, Chang-Hoon BAEK
-
Patent number: 8511857Abstract: A light source includes first to nth light emitting modules (n is a natural number that is two or more than two) each having a plurality of light emitting elements and connectors that are electrically connected to the light emitting elements. The connector of the first light emitting module is disposed near an angular point (hereinafter, referred to as “rotational central point”) of a region defining the first light emitting module. The light emitting elements and connector of the ith light emitting module has a layout structure defined by a clockwise or counter-clockwise rotation of the light emitting elements and connectors of the first light emitting module by an angle (i?1)/n×360° about the rotational central point, wherein i is a natural number which satisfies 2?i?n.Type: GrantFiled: December 10, 2008Date of Patent: August 20, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Hyeong Won Yun, Joong El Ghim, Won Gi Lee, Chang Hoon Baek, Kil Yoan Chung
-
Publication number: 20120307482Abstract: A light source includes first to nth light emitting modules (n is a natural number that is two or more than two) each having a plurality of light emitting elements and connectors that are electrically connected to the light emitting elements. The connector of the first light emitting module is disposed near an angular point (hereinafter, referred to as “rotational central point”) of a region defining the first light emitting module. The light emitting elements and connector of the ith light emitting module has a layout structure defined by a clockwise or counter-clockwise rotation of the light emitting elements and connectors of the first light emitting module by an angle (i?1)/n×360° about the rotational central point, wherein i is a natural number which satisfies 2?i?n.Type: ApplicationFiled: August 16, 2012Publication date: December 6, 2012Inventors: Hyeong Won YUN, Joong B. Ghim, Won Gi Lee, Chang Hoon Baek, Kii Yoan Chung
-
Publication number: 20120140442Abstract: There is provided a light source for an illumination apparatus and a method of manufacturing the same. The light source includes a light emitting device; a power unit module supplying an electrical signal to the light emitting device; a support unit having the light emitting device thereon and discharging heat generated by the light emitting device to the outside; and a housing unit covering and protecting the light emitting device, the power unit module and the support unit. The light emitting device is disposed to have a height greater than that of a contact region between the power unit module and the housing unit with relation to a lower edge of the housing unit.Type: ApplicationFiled: December 2, 2011Publication date: June 7, 2012Inventors: Yun Seok WOO, Won Hoe KOO, Jin Woo Bae, Wuk Chul JOUNG, Chang Hoon BAEK
-
Publication number: 20120086685Abstract: A liquid crystal display includes a first gate line; a common voltage line separated from the first gate line; a data line insulated from and crossing the first gate line and the common voltage line; a first switching element connected to the first gate line and the data line; a second switching element connected to the first gate line and the data line; a first liquid crystal capacitor connected to the first switching element; a second liquid crystal capacitor connected to the second switching element; a third switching element connected to the first switching element; an assistance capacitor connected to the third switching element and the common voltage line; and a shielding electrode extending in the same direction as the first gate line and connected to the first switching element.Type: ApplicationFiled: April 7, 2011Publication date: April 12, 2012Applicant: SAMSUNG ELECTRONICS CO., LTDInventors: Seong-Young LEE, Ji-Sun KIM, Sung-Hoon KIM, Si Hyun AHN, Chang hoon BAEK, Chong-Chul CHAI
-
Patent number: 8132518Abstract: A substantially vertical lift system is disclosed herein. The substantially vertical lift system is comprised of a platform, base, and a lifting mechanism. The lifting mechanism is designed to displace the platform in a substantially linear manner, and if desired, in a position parallel to the base. Multiple lifting mechanisms may be used, and displaced either in a side-by-side or stacked orientation. The configuration of the lifting mechanism is implementation dependent.Type: GrantFiled: May 11, 2007Date of Patent: March 13, 2012Assignee: Siemens Medical Solutions USA, Inc.Inventors: Han-su Kim, Kyung-dong Lee, Chang-hoon Baek
-
Patent number: 7967460Abstract: A planar light source and a backlight unit including the same are disclosed. The planar light source includes a light emission region formed by arrangements of light emitting devices. The light emission region includes first to nth separate parts each having a center of the light emission region as one vertex (n: natural number of 2 or higher). The first separate part includes light emitting devices arranged two-dimensionally in first and second directions. A pitch in the first direction is different from a pitch in the second direction in at least a portion of the two-dimensional arrangement structure. Light emitting devices of each of the second to nth separate parts have an arrangement structure obtained by a clockwise or counter-clockwise rotation of the arrangement structure of the light emitting devices of the first separate part by an angle of 1/n×360° about the center of the light emission region.Type: GrantFiled: November 7, 2008Date of Patent: June 28, 2011Assignee: Samsung LED Co., Ltd.Inventors: Hyeong Won Yun, Won Ki Lee, Chang Hoon Baek, Kil Yoan Chung
-
Patent number: 7874715Abstract: A light emitting diode backlight (LED) unit includes: a substrate having a plurality of divided areas; a plurality of LEDs disposed on the substrate; and an LED driver supplying a drive power to the plurality of LEDs disposed in at least two of the plurality of divided areas, wherein at least a part of the plurality of LEDs disposed in one of the plurality of divided areas is electrically connected to each other.Type: GrantFiled: May 8, 2007Date of Patent: January 25, 2011Assignee: Samsung LED Co., Ltd.Inventors: Chang Hoon Baek, Sang Yun Lee
-
Patent number: 7723922Abstract: There is provided an integrated LED driving device including: a DC/DC converting part converting and outputting a DC voltage inputted from the outside by switching of a switch into a driving voltage of a magnitude suitable for driving a plurality of LED arrays; a constant current controlling part receiving at least one of information on the current flowing through the LED array and information on a voltage applied to the LED array by feed-back, the constant current controlling part including a PWM controller PWM-controlling a switching duty of the switch of the DC/DC converting part, and controlling a switching duty of each of the switches of the switching part to allow the current to flow through the LED array with a predetermined magnitude; and a control logic receiving a control signal by a user and controlling the PWM controller in response to the control signal.Type: GrantFiled: June 19, 2008Date of Patent: May 25, 2010Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Sang Yun Lee, Chang Hoon Baek, Do Hun Kim, Hyung Suk Kim