Patents by Inventor Sang-Hoon Park

Sang-Hoon 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).

  • Publication number: 20130241912
    Abstract: A liquid crystal display (LCD) includes: a gate-off voltage generator including a temperature compensation unit which comprises a constant voltage output device and which outputs a gate-off voltage having a level which varies based on a change in ambient temperature; a clock generator outputting a first clock signal and a second clock signal; a gate driver outputting gate signals; and a plurality of pixels which turn on or off based on the gate signals, wherein the constant voltage output device outputs a temperature variable voltage having a value based on a voltage difference between a reference terminal of the constant voltage output device and an input terminal of the constant voltage output device, and a voltage difference between the reference terminal and the input terminal of the constant voltage output device varies based on the change in the ambient temperature.
    Type: Application
    Filed: September 10, 2012
    Publication date: September 19, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eun-Woo JEONG, Sang-Hoon PARK, Hwan-Jun SUNG
  • Patent number: 8506892
    Abstract: The present invention relates to an exhaust gas purifying device for a diesel engine, which purifies efficiently Nitrogen Oxides (NOx) and Particulate Matters (PM) contained in exhaust gases of the diesel engine, particularly provides an exhaust gas purifying device disposed in an exhaust passage of a diesel engine, wherein a catalyst part for reducing Nitrogen Oxides and a filter part for removing Particulate Matter are provided sequentially from an upstream for a flow of the exhaust gas and a diesel fuel injector is mounted at a front of the Nitrogen Oxide reduction catalyst part.
    Type: Grant
    Filed: September 6, 2006
    Date of Patent: August 13, 2013
    Assignee: SK Innovation Co., Ltd.
    Inventors: Yong-Woo Kim, Do-Woan Kim, Joon-Seok Min, Seong-Ho Lee, Hong-Seok Jung, Yun-Guen Cho, Hyo-Jun Jeon, Nicholas Kim, Gi-Ho Goh, Sang Hoon Park
  • Publication number: 20130199447
    Abstract: Provided is a continuous coating apparatus which can supply a liquid coating material (a molten metal) to a levitation-heating space through various paths, and can easily control a supply flow rate of the liquid coating material, and has a simplified structure. The continuous coating apparatus includes: a vacuum chamber unit through which a coating target passes; a levitation-heating unit disposed in the vacuum chamber unit and generating an evaporation vapor by vaporizing a supplied coating material; and a liquid coating material supply unit connected so that a liquid coating material is supplied to at least one of an upper portion and a lower portion of the levitation-heating unit, and communicating with the outside of the vacuum chamber unit.
    Type: Application
    Filed: December 13, 2010
    Publication date: August 8, 2013
    Applicant: POSCO
    Inventors: Kyung-Hoon Nam, Young-Jin Kwak, Dong-Yoeul Lee, Tae-Yeob Kim, Yong-Hwa Jung, Kyoung-Bo Kim, Woo-Sung Jung, Mun-Jong Eom, Sang-Cheol Lee, Sang-Hoon Park
  • Publication number: 20130186339
    Abstract: Provided is a dry coating apparatus for coating a coating material, i.e., deposition vapor (metal vapor) on a substrate (a steel strip). The dry coating apparatus includes a coating part disposed in a vacuum to coat deposition vapor generated through heating and evaporation of a supplied coating material onto a proceeding object to be coated and a heating source disposed in an atmosphere to heat and levitate the coating material in the coating part.
    Type: Application
    Filed: December 26, 2011
    Publication date: July 25, 2013
    Applicant: POSCO
    Inventors: Kyung-Hoon Nam, Mun-Jong Eom, Young-Jin Kwak, Woo-Sung Jung, Tae-Yeob Kim, Dong-Yoeul Lee, Seok-Jun Hong, Kyoung-Bo Kim, Yong-Hwa Jung, Sang-Hoon Park, Sang-Cheol Lee, Yang-Woo Nam
  • Publication number: 20130186524
    Abstract: Provided is an aluminum (Al) plating layer/aluminum (Al)-magnesium (Mg) plating layer multi-layered structure alloy plated steel sheet having excellent plating adhesiveness and corrosion resistance, which is characterized in that the Al—Mg plating layer is formed on the Al plating layer. According to the present invention, corrosion resistance of an Al plated steel sheet is further improved by forming an Al—Mg alloy plating layer, and plating adhesiveness between plating layer and underlying steel sheet may be improved as well as excellent stability and practicality being realized.
    Type: Application
    Filed: December 20, 2011
    Publication date: July 25, 2013
    Applicant: POSCO
    Inventors: Young-Jin Kwak, Dong-Yoeul Lee, Yong-Hwa Jung, Woo-Sung Jung, Mun-Jong Eom, Kyoung-Bo Kim, Kyung-Hoon Nam, Tae-Yeob Kim, Sang-Cheol Lee, Sang-Hoon Park
  • Patent number: 8481161
    Abstract: A printable metal nanoparticle having a self-assembled monolayer (SAM) composed of a compound containing a thiol (—SH), isocyanide (—CN), amino (—NH2), carboxylate (—COO) or phosphate group, as a linker, formed on the surface thereof, and a method for formation of a conductive pattern using the same are provided. The metal nanoparticles of an exemplary embodiment can be easily formed into a conductive film or pattern by a printing method, and the resulting film or pattern exhibits excellent conductivity which optimally may be adjusted if desired. Therefore, the resulting metal nanoparticles of can be used to advantage in the fields such as antistatic washable sticky mats, antistatic shoes, conductive polyurethane printer rollers, electromagnetic interference shielding materials, etc.
    Type: Grant
    Filed: October 31, 2006
    Date of Patent: July 9, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong Jin Park, Sung Woong Kim, Dong Woo Shin, Sang Hoon Park
  • Patent number: 8398291
    Abstract: A back cover for a backlight assembly capable of achieving a more compact a display apparatus includes a cover element, a line portion, and a plurality of point light sources. The cover element includes a metallic layer, and the cross-section of the cover element has an L-shape. The line portion is formed over the cover element. The point light sources are mounted on the surface of the cover element to receive a driving voltage from the line portion. A bottom cover portion of the cover element covers an opening portion. A side cover portion of the cover element faces the side wall. The point light sources mounted on the cover element emit light on a side surface of a light guide plate.
    Type: Grant
    Filed: June 6, 2012
    Date of Patent: March 19, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young-Joo Nam, Sang-Hoon Park, Dong-Gyun Ra
  • Patent number: 8373646
    Abstract: In a backlight device and a driving method thereof, a voltage controller controls a voltage level of a first input voltage in response to a dimming signal to output a second input voltage. A pulse generator receives the second input voltage from the voltage controller and generates a pulse signal having a duty ratio corresponding to the dimming signal and a high voltage level corresponding to the second input voltage. An inverter generates a lamp driving signal based on the pulse signal. At least one lamp included in the backlight device is turned on or turned off in response to a lamp driving signal to adjust luminance of the backlight device.
    Type: Grant
    Filed: November 24, 2009
    Date of Patent: February 12, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyu-Jin Park, Hyoung-Hak Kim, Sang-Hoon Park
  • Patent number: 8367220
    Abstract: Provided are an anthracene-based compound represented by Formula 1 or 2 and an organic light emitting device employing the same: where R is a hydrogen atom, a halogen atom, a cyano group, a hydroxyl group, a substituted or unsubstituted C1-C20 alkyl group, a substituted or unsubstituted C3-C20 cycloalkyl group, a substituted or unsubstituted C5-C30 heterocycloalkyl group, a substituted or unsubstituted C1-C20 alkoxy group, a substituted or unsubstituted C6-C30 aryl group, a substituted or unsubstituted C6-C30 aralkyl group or a substituted or unsubstituted C2-C30 heteroaryl group, L is a bivalent linking group and a substituted or unsubstituted C6-C30 arylene group or a substituted or unsubstituted C2-C30 heteroarylene group, and m is an integer of 0 to 3.
    Type: Grant
    Filed: December 19, 2008
    Date of Patent: February 5, 2013
    Assignees: Samsung Electronics Co., Ltd., Samsung Display Co., Ltd.
    Inventors: Sang-hoon Park, O-hyun Kwon, Seung-gak Yang, Yu-jin Kim, Yu-ri Choi, Kwan-hee Lee
  • Patent number: 8367219
    Abstract: Provided are an anthracene-based compound represented by Formula 1 or 2 and an organic light emitting device employing the same: where R is a hydrogen atom, a halogen atom, a cyano group, a hydroxyl group, a substituted or unsubstituted C1-C20 alkyl group, a substituted or unsubstituted C3-C20 cycloalkyl group, a substituted or unsubstituted C5-C30 heterocycloalkyl group, a substituted or unsubstituted C1-C20 alkoxy group, a substituted or unsubstituted C6-C30 aryl group, a substituted or unsubstituted C6-C30 aralkyl group or a substituted or unsubstituted C2-C30 heteroaryl group, L is a bivalent linking group and a substituted or unsubstituted C6-C30 arylene group or a substituted or unsubstituted C2-C30 heteroarylene group, and m is an integer of 0 to 3.
    Type: Grant
    Filed: September 29, 2008
    Date of Patent: February 5, 2013
    Assignees: Samsung Electronics Co., Ltd., Samsung Display Co., Ltd.
    Inventors: Sang-hoon Park, O-hyun Kwon, Seung-gak Yang, Yu-jin Kim, Yu-ri Choi
  • Patent number: 8360037
    Abstract: An oil separation apparatus may include an intake housing provided with a gas inlet for the blow-by gas to be sucked therein, a plurality of cyclone which is formed as a cone, is disposed around the intake housing, is communicated with intake housing through an intake passage and separates oil from the blow-by gas, wherein a gas exit is formed to the upper side of the cyclone for discharging the blow-by gas and an oil outlet is formed to the lower side of the cyclone for discharging the separated oil, an exhaust housing cylinder which is provided with an gas outlet, is communicated with the gas exit and discharges the blow-by gas through the gas outlet and a control unit which is disposed within the intake and exhaust housing and selectively opens the intake passages according to intake pressure of the engine.
    Type: Grant
    Filed: August 11, 2009
    Date of Patent: January 29, 2013
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventor: Sang-Hoon Park
  • Patent number: 8351762
    Abstract: Disclosed is a buffer-based adaptive media playout method in a receiver side of a network media streaming system. The method includes: calculating a playout interval for playing out a current j-th frame (where j is a natural number) of a received media stream; and playing out the current j-th frame after the calculated playout interval has elapsed from the reception of the current j-th frame. The calculation of the playout interval for playing out the current j-th frame of the received media stream includes: calculating a buffer level of a (j+w)-th frame (where w is a natural number); estimating a playout pause or a playout skip on the basis of the calculated buffer level; and calculating the playout interval for playing out the current j-th frame for the predicted one of the playout pause and the playout skip.
    Type: Grant
    Filed: February 20, 2008
    Date of Patent: January 8, 2013
    Assignee: Gwangju Institute of Science and Technology
    Inventors: Jong-Won Kim, Sang-Hoon Park
  • Publication number: 20120329028
    Abstract: In a method of offering an intelligent personalized learning service to learning participants, a pointer is assigned to each learning object and associated with each learning object belonging to a learning object database. A learning subject specific to each learning participant is selected from a learning subject database. Information on attempts at the learning objects associated with selected learning subject is recorded on learning history information of each learning participant. Performance completion information is recorded with respect to the learning objects attempted by the learning participant on the learning history information of each learning participant. A proficiency status of the learning participant is diagnosed for the selected learning subject corresponding to the learning participant based on the learning history information of each learning participant.
    Type: Application
    Filed: December 15, 2009
    Publication date: December 27, 2012
    Applicants: SK TELECOM CO., LTD., ISCILAB CORPORATION
    Inventors: Nam-Sook Wee, Jung-Kyo Sohn, Doo-Seok Lee, Sang-Hoon Park
  • Patent number: 8329953
    Abstract: Provided are a cyclopentaphenanthrene-based compound and an organic EL device using the same. The cyclopentaphenanthrene-based compound is easy to prepare and excellent in solubility, color purity, and color stability. The cyclopentaphenanthrene-based compound is useful as a material for forming an organic layer, in particular, a light-emitting layer in an organic EL device, and as an organic dye or an electronic material such as a nonlinear optical material.
    Type: Grant
    Filed: August 4, 2010
    Date of Patent: December 11, 2012
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Hoon Park, Che-Un Yang, Jong-Jin Park, Jhun-Mo Son, O-Hyun Kwon, Yu-Jin Kim
  • Patent number: 8310148
    Abstract: An organic light emitting device and a method of manufacturing the same, the organic light emitting device includes a first electrode, a second electrode, and an organic layer that has at least a multi-coated emissive layer and which is interposed between the first and second electrodes. The multi-coated emissive layer is a single layer composed of a neutral emissive material and an no?ne parameter of the emissive layer is greater than an no?ne parameter of a single-coated layer. The organic light emitting device has a longer lifetime and high efficiency.
    Type: Grant
    Filed: February 9, 2011
    Date of Patent: November 13, 2012
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae-Woo Lee, Sang-Yeol Kim, Mu-Gyeom Kim, Yu-Jin Kim, Lyong-Sun Pu, Jong-Jin Park, Sang-Hoon Park, In-Nam Kang
  • Publication number: 20120273459
    Abstract: A passing apparatus includes: upper and lower sealing rolls dealing with variations in a thickness of a proceeding strip, the upper and lower sealing rolls allowing the strip to pass; and a strip sealing unit dealing with variations in a width of the proceeding strip, the strip sealing unit cooperating with the upper and lower sealing rolls to seal the proceeding strip passing through a chamber in a state in which the strip sealing unit surrounds the proceeding strip.
    Type: Application
    Filed: December 24, 2010
    Publication date: November 1, 2012
    Applicant: POSCO
    Inventors: Dong-Yoeul Lee, Mun-Jong Eom, Kyoung-Bo Kim, Yong-Hwa Jung, Woo-Sung Jung, Young-Jin Kwak, Tae-Yeob Kim, Kyung-Hoon Nam, Sang-Cheol Lee, Sang-Hoon Park, Yang-Woo Nam
  • Patent number: 8294207
    Abstract: In a method of fabricating a semiconductor device on a substrate which includes a plurality of pillar patterns, an impurity region between adjacent pillar patterns, a gate electrode on each pillar pattern, a first capping layer covering the gate electrode, and a separation layer covering the first capping layer between the gate electrodes of adjacent pillar patterns, the first capping layer is removed except for a portion contacting the separation layer, a sacrificial layer is formed to cover the gate electrode, a second capping layer is formed on sidewalls of each pillar pattern, the sacrificial layer is removed and a word line connecting the gate electrodes of the adjacent pillar patterns is formed. In the manufactured device, the first capping layer isolates the impurity region from the word line and the second capping region prevents the sidewalls of the respective pillar pattern from being exposed.
    Type: Grant
    Filed: June 24, 2011
    Date of Patent: October 23, 2012
    Assignee: Hynix Semiconductor Inc.
    Inventors: Sang-Hoon Cho, Yun-Seok Cho, Myung-Ok Kim, Sang-Hoon Park, Young-Kyun Jung
  • Patent number: 8289256
    Abstract: A liquid crystal display (LCD) includes: a gate-off voltage generator including a temperature compensation unit which includes a constant voltage output device and a temperature-sensing device and outputting a gate-off voltage whose level varies according to a change in ambient temperature; a clock generator receiving a gate-on voltage and the gate-off voltage and outputting a first clock signal and a second clock signal; a gate driver receiving the first clock signal and the second clock signal and outputting gate signals; and a plurality of pixels turned on or off in response to the gate signals and thus displaying images, wherein the constant voltage output device outputs a constant voltage whose value is determined by a voltage difference between a reference terminal and an input terminal of the constant voltage output device, and the temperature-sensing device provides an input voltage whose value varies according to the change in the ambient temperature, wherein the voltage difference between the refere
    Type: Grant
    Filed: August 27, 2009
    Date of Patent: October 16, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eun-Woo Jeong, Sang-Hoon Park, Hwan-Jun Sung
  • Publication number: 20120243257
    Abstract: A back cover for a backlight assembly capable of achieving a more compact a display apparatus includes a cover element, a line portion, and a plurality of point light sources. The cover element includes a metallic layer, and the cross-section of the cover element has an L-shape. The line portion is formed over the cover element. The point light sources are mounted on the surface of the cover element to receive a driving voltage from the line portion. A bottom cover portion of the cover element covers an opening portion. A side cover portion of the cover element faces the side wall. The point light sources mounted on the cover element emit light on a side surface of a light guide plate.
    Type: Application
    Filed: June 6, 2012
    Publication date: September 27, 2012
    Inventors: Young-Joo NAM, Sang-Hoon PARK, Dong-Gyun RA
  • Patent number: 8227092
    Abstract: Provided is an organic electroluminescent device including an organic layer interposed between a pair of electrodes, the organic layer including a layer formed of a titanium oxide derivative or a mixture layer containing a titanium oxide derivative. The organic electroluminescent device has higher luminescent efficiency, a longer lifetime and a lower operating voltage than a conventional organic electroluminescent device, and can be easily manufactured.
    Type: Grant
    Filed: December 4, 2006
    Date of Patent: July 24, 2012
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Jong-Jin Park, Yu-Jin Kim, Sang-Hoon Park, Jhun-Mo Son