Patents by Inventor Tae-Jin Hwang
Tae-Jin Hwang 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: 20160149575Abstract: A buffer circuit includes an amplification unit suitable for sensing and amplifying an input signal and a reference voltage, a buffer enable unit suitable for enabling the amplification unit based on a buffer enable signal, and a buffer enable signal generation unit suitable for generating the buffer enable signal based on a first or second operation control signal, selected according to a high voltage detection signal.Type: ApplicationFiled: November 21, 2014Publication date: May 26, 2016Inventor: Tae Jin HWANG
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Patent number: 9317052Abstract: A calibration circuit of a semiconductor apparatus may include: a reference voltage generator suitable for generating first and second pull-up reference voltages based on a pull-up control signal, and generating first and second pull-down reference voltages based on a pull-down control signal; and a calibrator suitable for generating a pull-up resistor code corresponding to an external reference resistor based on the first and second pull-up reference voltages, and generating a pull-down resistor code corresponding to the external reference resistor based on the first and second pull-down reference voltages and the pull-up resistor code.Type: GrantFiled: November 24, 2014Date of Patent: April 19, 2016Assignee: SK Hynix Inc.Inventor: Tae Jin Hwang
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Publication number: 20160104684Abstract: A semiconductor memory device includes a semiconductor circuit substrate having a chip pad forming region. A pair of data lines are formed on the semiconductor circuit substrate at one side of the chip pad region. The pair of data lines extend along a direction that the chip pad region of the semiconductor circuit substrate extends. The pair of data lines are arranged to be adjacent to each other and receive a pair of differential data signals. A power supply line is formed on the semiconductor circuit substrate at the other side of the chip pad region. The power supply line extends along the direction that the chip pad region of the semiconductor circuit substrate extends, and the power supply line receives power.Type: ApplicationFiled: December 7, 2015Publication date: April 14, 2016Inventors: Chang Kun PARK, Seong Hwi SONG, Yong Ju KIM, Sung Woo HAN, Hee Woong SONG, Ic Su OH, Hyung Soo KIM, Tae Jin HWANG, Hae Rang CHOI, Ji Wang LEE, Jae Min JANG
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Preparation method of low temperature sintering active electrode paste for dye sensitized solar cell
Patent number: 9299504Abstract: The present invention relates to a method for preparing titanium dioxide paste for dye sensitized solar cell, and more specifically a method for preparing titanium dioxide paste fir dye sensitized solar cell, which is curable at a low temperature and is able to form a uniform coating layer and exhibits relatively high energy conversion efficiency. The present invention also relates to a method for preparing low temperature curable paste which requires no separate dye adsorption process or can improve energy conversion efficiency by adding dye or metal precursor in advance.Type: GrantFiled: March 7, 2013Date of Patent: March 29, 2016Assignee: Korea Institute of Industrial TechnologyInventors: Tae Jin Hwang, Ho Hyeong Kim, Jae Young Park -
Patent number: 9209145Abstract: A semiconductor memory device includes a semiconductor circuit substrate having a chip pad forming region. A pair of data lines are formed on the semiconductor circuit substrate at one side of the chip pad region. The pair of data lines extend along a direction that the chip pad region of the semiconductor circuit substrate extends. The pair of data lines are arranged to be adjacent to each other and receive a pair of differential data signals. A power supply line is formed on the semiconductor circuit substrate at the other side of the chip pad region. The power supply line extends along the direction that the chip pad region of the semiconductor circuit substrate extends, and the power supply line receives power.Type: GrantFiled: November 21, 2014Date of Patent: December 8, 2015Assignee: SK Hynix Inc.Inventors: Chang Kun Park, Seong Hwi Song, Yong Ju Kim, Sung Woo Han, Hee Woong Song, Ic Su Oh, Hyung Soo Kim, Tae Jin Hwang, Hae Rang Choi, Ji Wang Lee, Jae Min Jang
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Patent number: 9190372Abstract: A semiconductor memory device includes a semiconductor circuit substrate having a chip pad forming region. A pair of data lines are formed on the semiconductor circuit substrate at one side of the chip pad region. The pair of data lines extend along a direction that the chip pad region of the semiconductor circuit substrate extends. The pair of data lines are arranged to be adjacent to each other and receive a pair of differential data signals. A power supply line is formed on the semiconductor circuit substrate at the other side of the chip pad region. The power supply line extends along the direction that the chip pad region of the semiconductor circuit substrate extends, and the power supply line receives power.Type: GrantFiled: November 21, 2014Date of Patent: November 17, 2015Assignee: SK Hynix Inc.Inventors: Chang Kun Park, Seong Hwi Song, Yong Ju Kim, Sung Woo Han, Hee Woong Song, Ic Su Oh, Hyung Soo Kim, Tae Jin Hwang, Hae Rang Choi, Ji Wang Lee, Jae Min Jang
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Patent number: 9160324Abstract: A buffer circuit includes a buffering unit suitable for buffering an input signal and outputting an output signal and a feedback control unit suitable for adjusting a slew rate of the input signal in response to the output signal.Type: GrantFiled: November 18, 2013Date of Patent: October 13, 2015Assignee: SK Hynix Inc.Inventor: Tae-Jin Hwang
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Publication number: 20150229300Abstract: A receiver circuit includes a first amplification unit, a second amplification unit, a first equalizing unit, and a second equalizing unit. The first amplification unit is configured to differentially amplify an input signal and a reference signal and generate a positive intermediate output signal and a negative intermediate output signal. The second amplification unit is configured to receive the positive intermediate output signal as a positive input signal and the negative intermediate signal as a negative input signal, differentially amplify the positive and negative input signals and generate a positive output signal and a negative output signal. The first equalizing unit is configured to control the level of the negative intermediate output signal in response to the positive output signal.Type: ApplicationFiled: April 22, 2015Publication date: August 13, 2015Inventor: Tae Jin HWANG
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Patent number: 9094244Abstract: A receiver circuit includes a first differential amplification unit including a variable load section, and configured to receive first and second input signals, and to generate first and second output signals, which are amplified based on an impedance value of the variable load section and a voltage difference between the first and second input signals, a second differential amplification unit configured to receive the first and second output signals and to generate a third output signal based on a voltage difference between the first and second output signals, and a signal generating unit configured to generate an equalization signal for controlling the variable load section based on the third output signal.Type: GrantFiled: March 15, 2013Date of Patent: July 28, 2015Assignee: SK Hynix Inc.Inventor: Tae-Jin Hwang
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Patent number: 9041447Abstract: A receiver circuit includes a first amplification unit, a second amplification unit, a first equalizing unit, and a second equalizing unit. The first amplification unit is configured to differentially amplify an input signal and a reference signal and generate a first intermediate output signal and a second intermediate output signal. The second amplification unit is configured to differentially amplify the first and second intermediate output signals and generate an output signal. The first equalizing unit is configured to control the level of the second intermediate output signal in response to the output signal. And the second equalizing unit is configured to control the level of the first intermediate output signal in response to the output signal.Type: GrantFiled: December 19, 2012Date of Patent: May 26, 2015Assignee: SK Hynix Inc.Inventor: Tae Jin Hwang
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Publication number: 20150076703Abstract: A semiconductor memory device includes a semiconductor circuit substrate having a chip pad forming region. A pair of data lines are formed on the semiconductor circuit substrate at one side of the chip pad region. The pair of data lines extend along a direction that the chip pad region of the semiconductor circuit substrate extends. The pair of data lines are arranged to be adjacent to each other and receive a pair of differential data signals. A power supply line is formed on the semiconductor circuit substrate at the other side of the chip pad region. The power supply line extends along the direction that the chip pad region of the semiconductor circuit substrate extends, and the power supply line receives power.Type: ApplicationFiled: November 21, 2014Publication date: March 19, 2015Inventors: Chang Kun PARK, Seong Hwi SONG, Yong Ju KIM, Sung Woo HAN, Hee Woong SONG, Ic Su OH, Hyung Soo KIM, Tae Jin HWANG, Hae Rang CHOI, Ji Wang LEE, Jae Min JANG
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Publication number: 20150076614Abstract: A semiconductor memory device includes a semiconductor circuit substrate having a chip pad forming region. A pair of data lines are formed on the semiconductor circuit substrate at one side of the chip pad region. The pair of data lines extend along a direction that the chip pad region of the semiconductor circuit substrate extends. The pair of data lines are arranged to be adjacent to each other and receive a pair of differential data signals. A power supply line is formed on the semiconductor circuit substrate at the other side of the chip pad region. The power supply line extends along the direction that the chip pad region of the semiconductor circuit substrate extends, and the power supply line receives power.Type: ApplicationFiled: November 21, 2014Publication date: March 19, 2015Inventors: Chang Kun PARK, Seong Hwi SONG, Yong Ju KIM, Sung Woo HAN, Hee Woong SONG, Ic Su OH, Hyung Soo KIM, Tae Jin HWANG, Hae Rang CHOI, Ji Wang LEE, Jae Min JANG
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Publication number: 20150042394Abstract: A buffer circuit includes a buffering unit suitable for buffering an input signal and outputting an output signal and a feedback control unit suitable for adjusting a slew rate of the input signal in response to the output signal.Type: ApplicationFiled: November 18, 2013Publication date: February 12, 2015Applicant: SK hynix Inc.Inventor: Tae-Jin HWANG
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Patent number: 8916975Abstract: A semiconductor memory device includes a semiconductor circuit substrate having a chip pad forming region. A pair of data lines are formed on the semiconductor circuit substrate at one side of the chip pad region. The pair of data lines extend along a direction that the chip pad region of the semiconductor circuit substrate extends. The pair of data lines are arranged to be adjacent to each other and receive a pair of differential data signals. A power supply line is formed on the semiconductor circuit substrate at the other side of the chip pad region. The power supply line extends along the direction that the chip pad region of the semiconductor circuit substrate extends, and the power supply line receives power.Type: GrantFiled: June 29, 2009Date of Patent: December 23, 2014Assignee: Hynix Semiconductor Inc.Inventors: Chang Kun Park, Seong Hwi Song, Yong Ju Kim, Sung Woo Han, Hee Woong Song, Ic Su Oh, Hyung Soo Kim, Tae Jin Hwang, Hae Rang Choi, Ji Wang Lee, Jae Min Jang
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Publication number: 20140345677Abstract: The present invention relates to an exclusive alloy substrate material for CIGS solar cells. Particularly, the present invention provides a substrate material having a thermal expansion coefficient similar to that of a CIGS layer. The substrate material according to the present invention may prevent damage such as interlayer separation due to differing thermal expansion coefficients from occurring because the substrate material has a thermal expansion coefficient similar to that of the CIGS layer.Type: ApplicationFiled: December 28, 2011Publication date: November 27, 2014Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGYInventors: Tai Hong Yim, Heung Yeol Lee, Tae Jin Hwang, Young Sik Song, Yong Ki Cho, Min Su Lee, Yoon Ho Han
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Patent number: 8890613Abstract: A signal amplification circuit includes a differential amplifier configured to receive a first signal and a second signal and generate an output signal, a differential amplifier configured to receive first and second signals and generate an output signal; and a controller configured to control an amount of current flowing in the differential amplifier using the output signal.Type: GrantFiled: December 18, 2012Date of Patent: November 18, 2014Assignee: SK Hynix Inc.Inventor: Tae-Jin Hwang
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Publication number: 20140177696Abstract: A receiver circuit includes a first differential amplification unit including a variable load section, and configured to receive first and second input signals, and to generate first and second output signals, which are amplified based on an impedance value of the variable load section and a voltage difference between the first and second input signals, a second differential amplification unit configured to receive the first and second output signals and to generate a third output signal based on a voltage difference between the first and second output signals, and a signal generating unit configured to generate an equalization signal for controlling the variable load section based on the third output signal.Type: ApplicationFiled: March 15, 2013Publication date: June 26, 2014Applicant: SK hynix Inc.Inventor: Tae-Jin HWANG
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Publication number: 20140117243Abstract: In an aspect, a method and device of inspecting an electromagnetic radiation sensing panel and a method of manufacturing an electromagnetic radiation detector are provided. The method includes generating converted electromagnetic radiation by irradiating incident electromagnetic radiation onto an electromagnetic radiation conversion layer, measuring the generated converted electromagnetic radiation and evaluating data regarding the converted electromagnetic radiation, generating converted electromagnetic radiation based on the data regarding the converted electromagnetic radiation, and irradiating the generated converted electromagnetic radiation onto an electromagnetic radiation sensing panel.Type: ApplicationFiled: June 19, 2013Publication date: May 1, 2014Applicant: Samsung Display Co., Ltd.Inventor: Tae Jin Hwang
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Patent number: 8686763Abstract: A receiver circuit includes a buffering unit configured to buffer an input signal and generate a buffering signal; a variation detection unit configured to generate a control signal according to a level of a reference voltage; a driving unit configured to drive the buffering signal and generate an output signal; and a compensation unit configured to control a slew rate of the output signal in response to the control signal.Type: GrantFiled: September 3, 2012Date of Patent: April 1, 2014Assignee: SK Hynix Inc.Inventor: Tae Jin Hwang
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Publication number: 20140003482Abstract: A receiver circuit includes a first amplification unit, a second amplification unit, a first equalizing unit, and a second equalizing unit. The first amplification unit is configured to differentially amplify an input signal and a reference signal and generate a first intermediate output signal and a second intermediate output signal. The second amplification unit is configured to differentially amplify the first and second intermediate output signals and generate an output signal. The first equalizing unit is configured to control the level of the second intermediate output signal in response to the output signal. And the second equalizing unit is configured to control the level of the first intermediate output signal in response to the output signal.Type: ApplicationFiled: December 19, 2012Publication date: January 2, 2014Applicant: SK HYNIX INC.Inventor: Tae Jin HWANG