Patents by Inventor Taeyoung Park
Taeyoung 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: 20170257953Abstract: Provided is a method for manufacturing an electronic device. The method includes providing a panel to a stage, providing a circuit board, aligning the circuit board so that first pads of the circuit board face a first pad area of the panel and second pads of the circuit board face a second pad area of the panel, and compressing a first portion of the circuit board on which the first pads are arranged to the first pad area of the panel. The aligning of the circuit board occurs via by external contact on one surface of the first portion of the circuit board and one surface of the second portion of the circuit board.Type: ApplicationFiled: March 3, 2017Publication date: September 7, 2017Inventors: Jun-hee LEE, Sang-hoon BACK, Daeho YANG, Seungjoo LEE, Myung-gil CHOI, Taeyoung PARK
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Patent number: 9742336Abstract: A power converter and an air conditioner having the same, in which the power converter includes a rectifying unit configured to rectify an input AC current and an interleave converter that has a plurality of converters and that is configured to convert rectified output from the rectifying unit to DC power and output the converted DC power. The power converter also includes a capacitor connected to an output terminal of the interleave converter, and a converter controller configured to control the interleave converter. The converter controller controls the interleave converter by calculating a load level of both terminals of the capacitor and changing a number of operating converters in the plurality of converters of the interleave converter based on the determined load level of both terminals of the capacitor.Type: GrantFiled: March 12, 2014Date of Patent: August 22, 2017Assignee: LG Electronics Inc.Inventors: Jonghyun Jeon, Taeyoung Park, Jungsong Moon, Sangyoung Kim, Joonsik An
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Patent number: 9732991Abstract: A motor driving device includes a rectifier to rectify inputted alternating current (AC) power, a boost converter to boost and to output the power rectified by the rectifier, and an inverter including a plurality of switching devices to output converted AC power to a motor using a voltage from the boost converter. Accordingly, a voltage utilization ratio of a voltage input to an inverter in the motor driving device using a low-capacitance capacitor is enhanced.Type: GrantFiled: December 24, 2014Date of Patent: August 15, 2017Assignee: LG ELECTRONICS INC.Inventors: Joonsik An, Sangyoung Kim, Taeyoung Park, Kyungmin Kim
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Patent number: 9537387Abstract: A reference signal generating circuit is provided that generates a reference signal corresponding to an input signal for power factor compensation of a power converter. The reference signal generating circuit includes a detector sampling the input signal according to a reference clock to detect and hold the maximum input signal and a phase measuring unit measuring a phase of the sampled input signal based on the sampled input signal and the detected maximum input signal. The circuit also includes a reference signal generating unit configured to generate a reference signal having a specific value in response to the measured phase.Type: GrantFiled: July 23, 2014Date of Patent: January 3, 2017Assignee: Magnachip Semiconductor, Ltd.Inventors: Zhi Yuan Cui, Younggi Ryu, Inho Hwang, Sang Hoon Jung, Taeyoung Park
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Patent number: 9395292Abstract: An apparatus for assisting in measuring a color of a target includes an enclosed housing having a first aperture formed in a first end and a second aperture formed in an opposite second end and aligned concentrically with the first aperture, an array of light emitting diodes positioned inside the housing, between the first aperture and the second aperture, and an array of reference colors having known reflectance spectra, the array of reference colors being removably positioned inside the housing, between the array of light emitting diodes and the second aperture.Type: GrantFiled: August 6, 2014Date of Patent: July 19, 2016Assignee: Datacolor Holding AGInventors: Hong Wei, Taeyoung Park, Albertus Busch
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Publication number: 20160189635Abstract: An organic light emitting diode display includes pixels in which an amount of current flowing in an organic light emitting diode of each pixel is determined depending on a difference between a data voltage and a reference voltage, a control signal generator differently generating a screen brightness control signal depending on a driving mode, a register adjusting unit independently adjusting a reference voltage register value and a gamma register value at each of red (R), green (G), and blue (B) pixels depending on the screen brightness control signal, a reference voltage generator generating the reference voltage of each of the R, G, and B colors based on the reference voltage register value, and a data voltage generator generating the data voltage of each of the R, G, and B colors based on the gamma register value.Type: ApplicationFiled: December 18, 2015Publication date: June 30, 2016Applicant: LG DISPLAY CO., LTD.Inventors: Hyunjae LEE, Taeyoung PARK, Dongsup SHIM
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Publication number: 20160171929Abstract: A method for driving an organic light emitting display according to an embodiment includes applying an initial value of a high potential driving power and a test pattern to a display panel and sensing changes in driving characteristics of the display panel while varying a voltage level of the high potential driving power from the initial value, deciding whether or not a sensed driving characteristic value of the display panel satisfies a predetermined condition, setting a voltage level of the high potential driving power obtained when the sensed driving characteristic value satisfies the predetermined condition, as a reference value of the high potential driving power, and adding a voltage margin to the reference value of the high potential driving power to determine a final value of the high potential driving power, and driving the display panel using the final value of the high potential driving power.Type: ApplicationFiled: December 9, 2015Publication date: June 16, 2016Applicant: LG DISPLAY CO., LTD.Inventors: Hyunjae LEE, Taeyoung PARK, Dongjun CHOI, Dongsup SHIM, Ohgun KWON
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Publication number: 20150198522Abstract: An apparatus for assisting in measuring a color of a target includes an enclosed housing having a first aperture formed in a first end and a second aperture formed in an opposite second end and aligned concentrically with the first aperture, an array of light emitting diodes positioned inside the housing, between the first aperture and the second aperture, and an array of reference colors having known reflectance spectra, the array of reference colors being removably positioned inside the housing, between the array of light emitting diodes and the second aperture.Type: ApplicationFiled: August 6, 2014Publication date: July 16, 2015Inventors: Hong Wei, Taeyoung Park, Albertus Busch
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Publication number: 20150180384Abstract: A motor driving device includes a rectifier to rectify inputted alternating current (AC) power, a boost converter to boost and to output the power rectified by the rectifier, and an inverter including a plurality of switching devices to output converted AC power to a motor using a voltage from the boost converter. Accordingly, a voltage utilization ratio of a voltage input to an inverter in the motor driving device using a low-capacitance capacitor is enhanced.Type: ApplicationFiled: December 24, 2014Publication date: June 25, 2015Inventors: Joonsij An, Sangyoung Kim, Taeyoung Park, Kyungmin Kim
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Patent number: 9041929Abstract: An apparatus for securing a diagnostic tool proximate to and in front of a display device between the corners thereof. A harness is adapted to releasably hold the diagnostic tool, a restraining bracket extends from the harness, and there is at least one elastic cord having a first end, an intermediate portion and a second end. The cord is threaded through the restraining bracket and is sized so as to impart elastic tension to the corners of the display device while concomitantly protecting the front surface from pressure due to the position of the harness and diagnostic tool.Type: GrantFiled: July 13, 2011Date of Patent: May 26, 2015Assignee: DATACOLOR HOLDING AGInventors: Taeyoung Park, David Tobie, Shawn Clark
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Publication number: 20150061609Abstract: A reference signal generating circuit is provided that generates a reference signal corresponding to an input signal for power factor compensation of a power converter. The reference signal generating circuit includes a detector sampling the input signal according to a reference clock to detect and hold the maximum input signal and a phase measuring unit measuring a phase of the sampled input signal based on the sampled input signal and the detected maximum input signal. The circuit also includes a reference signal generating unit configured to generate a reference signal having a specific value in response to the measured phase.Type: ApplicationFiled: July 23, 2014Publication date: March 5, 2015Applicant: MagnaChip Semiconductor, Ltd.Inventors: Zhi Yuan CUI, Younggi RYU, Inho HWANG, Sang Hoon JUNG, Taeyoung PARK
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Publication number: 20140271272Abstract: A power converter and an air conditioner having the same, in which the power converter includes a rectifying unit configured to rectify an input AC current and an interleave converter that has a plurality of converters and that is configured to convert rectified output from the rectifying unit to DC power and output the converted DC power. The power converter also includes a capacitor connected to an output terminal of the interleave converter, and a converter controller configured to control the interleave converter. The converter controller controls the interleave converter by calculating a load level of both terminals of the capacitor and changing a number of operating converters in the plurality of converters of the interleave converter based on the determined load level of both terminals of the capacitor.Type: ApplicationFiled: March 12, 2014Publication date: September 18, 2014Applicant: LG Electronics Inc.Inventors: Jonghyun JEON, Taeyoung PARK, Jungsong MOON, Sangyoung KIM, Joonsik AN
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Patent number: 8736841Abstract: Aligning measurements taken by a second color measurement instrument with measurements taken by first color measurement instrument, wherein the first instrument has access to a first set of standards but not a second set of standards, and the second instrument has access to the second set of standards but not the first set of standards, includes using a third color measurement instrument to generate a profile that mathematically transforms a value measured on the second set of standards to a value measured on the first set of standards, wherein the third instrument has access to the first and second sets of standards, mathematically transforming measurements of the second set of standards taken by the second instrument into virtual measurements of the first set of standards, using the profile, and aligning the measurements taken by the second instrument to the measurements taken by the first instrument, using the virtual measurements.Type: GrantFiled: February 27, 2013Date of Patent: May 27, 2014Assignee: Datacolor Holding AGInventors: Zhiling Xu, Michael H. Brill, Taeyoung Park
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Patent number: 8680993Abstract: An apparatus and system for providing a solution that enables technicians or other technical professionals obtain both an accurate color value for a sample as well as an accurate gloss value while using a spectrophotometer and an integrated gloss meter device. The present invention allows for accurate color and gloss value analysis of samples using improved compensation values by using a reference sensor to correct the variations in intensity of a light source.Type: GrantFiled: December 15, 2011Date of Patent: March 25, 2014Assignee: Datacolor Holding AGInventors: Zhiling Xu, Taeyoung Park
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Publication number: 20130154830Abstract: An apparatus and system for providing a solution that enables technicians or other technical professionals obtain both an accurate color value for a sample as well as an accurate gloss value while using a spectrophotometer and an integrated gloss meter device. The present invention allows for accurate color and gloss value analysis of samples using improved compensation values by using a reference sensor to correct the variations in intensity of a light source.Type: ApplicationFiled: December 15, 2011Publication date: June 20, 2013Applicant: Datacolor, Inc.Inventors: Zhiling Xu, Taeyoung Park
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Publication number: 20130044200Abstract: A system and apparatus for the color calibration of images recorded through a microscope. An integrated color calibration target microscope slide device and specimen are recorded with an imaging device that acquires both the color values of the specimen and the color values of the color calibration target under a plurality of illuminations and trans-illuminations. A composite image is formed to provide a spectral estimation of the relevant color values of the image. The image is converted into multi-stimulus values governed by a plurality of illuminating conditions. The multi-stimulus values are used to provide image calibration data so that color values of the image, when displayed on a display devices, are faithfully reproduced.Type: ApplicationFiled: August 17, 2011Publication date: February 21, 2013Applicant: Datacolor, Inc.Inventors: Michael H. Brill, Hong Wei, Taeyoung Park
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Publication number: 20130016350Abstract: An apparatus for securing a diagnostic tool proximate to and in front of a display device between the corners thereof. A harness is adapted to releasably hold the diagnostic tool, a restraining bracket extends from the harness, and there is at least one elastic cord having a first end, an intermediate portion and a second end. The cord is threaded through the restraining bracket and is sized so as to impart elastic tension to the corners of the display device while concomitantly protecting the front surface from pressure due to the position of the harness and diagnostic tool.Type: ApplicationFiled: July 13, 2011Publication date: January 17, 2013Inventors: Taeyoung Park, David Tobie, Shawn Clark
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Publication number: 20120206612Abstract: In one embodiment, the present invention is a test target for color calibrating a camera and lens combination. One embodiment of a test target for use in color calibrating a camera and lens combination includes a first substantially flat plane, the first substantially flat plane including a first magnetic support surface, a second substantially flat plane, the second substantially flat plane including a second magnetic support surface, and a hinge connecting the first substantially flat plane to the second substantially flat plane.Type: ApplicationFiled: February 11, 2011Publication date: August 16, 2012Inventors: C. DAVID TOBIE, Shawn Clark, Taeyoung Park
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Patent number: 7934541Abstract: The present invention relates to a heat exchanger plate, more particularly, in which a number of beads for imparting turbulence to refrigerant flowing through a channel of a plate are formed streamlined and guide beads arre formed in refrigerant distributing sections in order to reduce the pressure drop of refrigerant while realizing uniform refrigerant distribution. In the heat exchanger plate of a tube including a tank communicating with a channel, a number of first beads so arrayed in the plate that opposed sides are coupled to each other to impart turbulence to refrigerant flowing through the channel and refrigerant distributing sections provided in inlet and outlet sides of the channel and divided by at least one second bead to have a plurality of paths, the first beads are formed streamlined and satisfy an equation of 0.35?W/L?0.75, wherein W is the width and L is the length.Type: GrantFiled: May 28, 2004Date of Patent: May 3, 2011Assignee: Halla Climate Control CorporationInventors: Taeyoung Park, Kwangheon Oh, Gilwoong Jun, Jungjae Lee
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Patent number: 7637314Abstract: The present invention relates to a heat exchanger for carbon dioxide, in which a tank having a number of domes is coupled with a header and a connection member having a connection flow channel is interposed between the header and the tank, thereby easily changing a refrigerant flow channel, reducing the volume of a header tank, and improving productivity, pressure resistance and durability.Type: GrantFiled: January 26, 2006Date of Patent: December 29, 2009Assignee: Halla Climate Control CorporationInventors: Taeyoung Park, Kwangheon Oh, Duckho Lee