Patents by Inventor Jin-Gyu Kang
Jin-Gyu Kang 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: 20250030893Abstract: Provided is an apparatus and method for encoding/decoding a moving picture based on adaptive scanning. The moving picture apparatus and method can increase a compression rate based on adaptive scanning by performing intra prediction onto blocks of a predetermined size, and scanning coefficients acquired from Discrete Cosine Transform (DCT) of a residue signal and quantization differently according to the intra prediction mode. The moving picture encoding apparatus includes: a mode selector for selecting and outputting a prediction mode; a predictor for predicting pixel values of pixels to be encoded of an input video based on the prediction mode to thereby output a residue signal block; a transform/quantization unit for performing DCT onto the residue signal block and quantizing the transformed residue signal block; and an encoder for adaptively scanning and encoding the quantized residue signal block based on the prediction mode.Type: ApplicationFiled: October 4, 2024Publication date: January 23, 2025Applicant: Electronics and Telecommunications Research InstituteInventors: Jeong-Il SEO, Wook-Joong KIM, Kyu-Heon KIM, Kyeong-Ok KANG, Jin-Woo HONG, Yung-Lyul LEE, Ki-Hun HAN, Jae-Ho HUR, Dong-Gyu SIM, Seoung-Jun OH
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Publication number: 20230361764Abstract: A power management integrated circuit including: a clock generator that generates an input clock; a first phase delay controller that delays the input clock by a first phase and outputs a first supply clock to a first switching converter; a second phase delay controller that delays the input clock by a second phase and outputs a second supply clock to a second switching converter; and a third phase delay controller that delays the input clock by a third phase and outputs a third supply clock to a third switching converter, wherein the first phase, the second phase and the third phase have different phases from each other.Type: ApplicationFiled: March 10, 2023Publication date: November 9, 2023Inventors: Hyun Seok NAM, Jin Gyu KANG, Jeong Woon KONG, Yong Seong ROH
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Patent number: 11249500Abstract: A regulator includes a switch array, a feedback circuit, first and second voltage-controlled oscillators, and a switch driver. The switch array generates an output voltage based on a number of enabled switches from among a plurality of switches. The feedback circuit generates a feedback voltage which depends on a level of the output voltage. The first voltage-controlled oscillator generates a first signal having a first frequency which depends on a difference between a reference voltage and the feedback voltage. The second voltage-controlled oscillator generates a second signal having a second frequency which depends on a difference between the feedback voltage and the reference voltage. The switch driver determines a turn-on time point of each of the plurality of switches based on the first signal and determining a turn-off time point of each of the plurality of switches based on the second signal.Type: GrantFiled: May 12, 2020Date of Patent: February 15, 2022Assignee: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)Inventors: Changsik Yoo, Jin-Gyu Kang
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Publication number: 20210132643Abstract: A regulator includes a switch array, a feedback circuit, first and second voltage-controlled oscillators, and a switch driver. The switch array generates an output voltage based on a number of enabled switches from among a plurality of switches. The feedback circuit generates a feedback voltage which depends on a level of the output voltage. The first voltage-controlled oscillator generates a first signal having a first frequency which depends on a difference between a reference voltage and the feedback voltage. The second voltage-controlled oscillator generates a second signal having a second frequency which depends on a difference between the feedback voltage and the reference voltage. The switch driver determines a turn-on time point of each of the plurality of switches based on the first signal and determining a turn-off time point of each of the plurality of switches based on the second signal.Type: ApplicationFiled: May 12, 2020Publication date: May 6, 2021Applicant: IUCF-HYU (INDUSTRY-UNIVERSITY COORPERATION FOUNDATION HANYANG UNIVERSITY)Inventors: Changsik YOO, Jin-Gyu Kang
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Patent number: 9548343Abstract: A flexible display includes: a first flexible substrate; an intermediate barrier layer positioned on the first flexible substrate and comprising silicon oxide; an adhesive layer positioned on the intermediate barrier layer and comprising at least one of amorphous silicon on which a P-type or N-type conductive impurity is doped, or hydrogenated amorphous silicon; a second flexible substrate positioned on the adhesive layer; a first barrier layer positioned on the second flexible substrate and comprising silicon oxide; a second barrier layer positioned on the first barrier layer and comprising silicon nitride; a buffer layer positioned on the second barrier layer and comprising silicon oxide; a thin film transistor positioned on the buffer layer; and an organic light emitting element connected to the thin film transistor.Type: GrantFiled: March 17, 2016Date of Patent: January 17, 2017Assignee: Samsung Display Co., Ltd.Inventor: Jin Gyu Kang
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Patent number: 9543543Abstract: A substrate for a display apparatus includes a barrier layer disposed on a base substrate. The barrier layer includes a silicon oxide layer, and the silicon oxide layer includes a first part and a second part along a thickness direction of the barrier layer. The amount of silicon in the first part is different from the amount of silicon in the second part.Type: GrantFiled: April 28, 2014Date of Patent: January 10, 2017Assignee: Samsung Display Co., Ltd.Inventors: Jae-Seob Lee, Jin-Gyu Kang, Yong-Kwan Kim, Sang-Ki Kim
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Patent number: 9406911Abstract: A method of manufacturing a substrate for a display device includes forming a first organic layer on a base substrate; forming an inorganic layer on the first organic layer; and forming a second organic layer on the inorganic layer, where the second organic layer includes transition metal particles.Type: GrantFiled: May 16, 2014Date of Patent: August 2, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Yong-Kwan Kim, Yong-Hwan Park, Jae Seob Lee, Jin Gyu Kang
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Publication number: 20160197129Abstract: A flexible display includes: a first flexible substrate; an intermediate barrier layer positioned on the first flexible substrate and comprising silicon oxide; an adhesive layer positioned on the intermediate barrier layer and comprising at least one of amorphous silicon on which a P-type or N-type conductive impurity is doped, or hydrogenated amorphous silicon; a second flexible substrate positioned on the adhesive layer; a first barrier layer positioned on the second flexible substrate and comprising silicon oxide; a second barrier layer positioned on the first barrier layer and comprising silicon nitride; a buffer layer positioned on the second barrier layer and comprising silicon oxide; a thin film transistor positioned on the buffer layer; and an organic light emitting element connected to the thin film transistor.Type: ApplicationFiled: March 17, 2016Publication date: July 7, 2016Inventor: Jin Gyu Kang
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Patent number: 9305984Abstract: A method of manufacturing a flexible display includes: forming a first barrier layer on a flexible substrate; forming a second barrier layer including silicon nitride on the first barrier layer; releasing stress of the second barrier layer; forming a first buffer layer including silicon nitride on the second barrier layer; forming a second buffer layer on the first buffer layer; and forming a thin film transistor on the second buffer layer.Type: GrantFiled: August 18, 2014Date of Patent: April 5, 2016Assignee: Samsung Display Co., Ltd.Inventor: Jin Gyu Kang
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Publication number: 20150123098Abstract: A method of manufacturing a flexible display includes: forming a first barrier layer on a flexible substrate; forming a second barrier layer including silicon nitride on the first barrier layer; releasing stress of the second barrier layer; forming a first buffer layer including silicon nitride on the second barrier layer; forming a second buffer layer on the first buffer layer; and forming a thin film transistor on the second buffer layer.Type: ApplicationFiled: August 18, 2014Publication date: May 7, 2015Inventor: Jin Gyu Kang
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Publication number: 20150076460Abstract: A method of manufacturing a substrate for a display device includes forming a first organic layer on a base substrate; forming an inorganic layer on the first organic layer; and forming a second organic layer on the inorganic layer, where the second organic layer includes transition metal particles.Type: ApplicationFiled: May 16, 2014Publication date: March 19, 2015Applicant: Samsung Display Co., Ltd.Inventors: Yong-Kwan KIM, Yong-Hwan PARK, Jae Seob LEE, Jin Gyu KANG
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Publication number: 20140319493Abstract: A substrate for a display apparatus includes a barrier layer disposed on a base substrate. The barrier layer includes a silicon oxide layer, and the silicon oxide layer includes a first part and a second part along a thickness direction of the barrier layer. The amount of silicon in the first part is different from the amount of silicon in the second part.Type: ApplicationFiled: April 28, 2014Publication date: October 30, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Jae-Seob LEE, Jin-Gyu KANG, Yong-Kwan KIM, Sang-Ki KIM
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Patent number: 8575598Abstract: An organic light emitting diode display that includes a first electrode arranged on a substrate, an organic emission layer arranged on the first electrode and a second electrode arranged on the organic emission layer, the first electrode includes a first layer, a second layer and a third layer stacked sequentially on the organic emission layer, the second layer has a lower work function than the third. Here, the second layer has a higher work function than that of the third layer.Type: GrantFiled: June 21, 2010Date of Patent: November 5, 2013Assignee: Samsung Display Co., Ltd.Inventors: Do-Hyun Kwon, Choong-Youl Im, Dae-Hyun No, Ju-Won Yoon, Jong-Mo Yeo, Song-Yi Jeon, Il-Jeong Lee, Cheol-Ho Yu, Young-Dae Kim, Jin-Gyu Kang, Gyoo-Chul Jo
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Patent number: 8486739Abstract: An etchant for forming double-layered signal lines and electrodes of a liquid crystal display device includes hydrogen peroxide (H2O2), a phosphate, F-ions, an organic acid having a carboxyl group (—COOH), a copper (Cu) inhibitor, and a hydrogen peroxide (H2O2) stabilizer, wherein each of the double-layered signal lines and electrodes of the liquid crystal display device includes a first layer of one of aluminum (Al), aluminum alloy (Al-alloy), titanium (Ti), titanium alloy (Ti-alloy), tantalum (Ta), and a tantalum alloy (Ta-alloy) and a second layer of copper (Cu).Type: GrantFiled: June 7, 2011Date of Patent: July 16, 2013Assignee: LG Display Co., Ltd.Inventors: Won-Ho Cho, Gyoo-Chul Jo, Gue-Tai Lee, Jin-Gyu Kang, Beung-Hwa Jeong, Jin-Young Kim
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Patent number: 8432503Abstract: A method of forming an array substrate for a LCD device includes patterning a first metal layer and a first barrier metal layer to form a gate electrode, a gate line and a gate pad; forming a gate insulation layer to cover the gate electrode, line and pad; forming an active layer, an ohmic contact layer, a second barrier metal layer and a second metal layer including a copper (Cu) layer on the gate insulation layer; patterning the second metal layer and the second barrier metal layer by a first etching process; patterning an exposed portion of the second metal layer and the second barrier metal layer and ohmic contact layer to form source and drain electrodes each having a double layered structure of the second barrier metal layer and the second metal layer; and forming a pixel electrode on a passivation layer formed on the source and drain electrodes.Type: GrantFiled: May 4, 2011Date of Patent: April 30, 2013Assignee: LG Display Co., Ltd.Inventors: Won-Ho Cho, Gyoo-Chul Jo, Gue-Tai Lee, Jin-Gyu Kang, Beung-Hwa Jeong, Jin-Young Kim
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Publication number: 20120202305Abstract: An etchant for forming double-layered signal lines and electrodes of a liquid crystal display device includes hydrogen peroxide (H2O2), a phosphate, F-ions, an organic acid having a carboxyl group (—COOH), a copper (Cu) inhibitor, and a hydrogen peroxide (H2O2) stabilizer, wherein each of the double-layered signal lines and electrodes of the liquid crystal display device includes a first layer of one of aluminum (Al), aluminum alloy (Al-alloy), titanium (Ti), titanium alloy (Ti-alloy), tantalum (Ta), and a tantalum alloy (Ta-alloy) and a second layer of copper (Cu).Type: ApplicationFiled: June 7, 2011Publication date: August 9, 2012Applicant: LG Display Co., Ltd.Inventors: Won-Ho Cho, Gyoo-Chul Jo, Gue-Tai Lee, Jin-Gyu Kang, Beung-Hwa Jeong, Jin-Young Kim
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Patent number: 8227977Abstract: A structure for repairing a line defect in which a short can be easily repaired using an adjacent wiring line despite limited repairing space and a method of repairing the defect are disclosed.Type: GrantFiled: August 13, 2009Date of Patent: July 24, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Zail Lhee, Keun Kim, Jin-Gyu Kang
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Publication number: 20110212557Abstract: The present invention is an array substrate for use in a liquid crystal display device, which includes a gate electrode, a gate line and a gate pad on a substrate, wherein the gate electrode, the gate line and the gate pad have a double-layered structure consisting of a first metal layer and a first barrier metal layer in series from the substrate, and wherein the first metal is one of aluminum and aluminum alloy; a gate insulation layer on the substrate covering the gate electrode, gate line and gate pad; an active layer and an ohmic contact layer sequentially formed on the gate insulation layer and over the gate electrode; a data line on the gate insulation layer perpendicularly crossing the gate line, source and drain electrodes contacting the ohmic contact layer, and a data pad on the gate insulation layer, wherein the data line, the source and drain electrode and the data pad have a double-layered structure consisting of a second barrier metal layer and a second metal layer of copper; a passivation layerType: ApplicationFiled: May 4, 2011Publication date: September 1, 2011Inventors: Won-Ho CHO, Gyoo-Chul Jo, Gue-Tai Lee, Jin-Gyu Kang, Beung-Hwa Jeong, Jin-Young Kim
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Patent number: 8002600Abstract: A method of repairing a defective line of an organic light emitting display device which repairs a short defect occurring between a bidirectional line and an adjacent line includes separating a portion where a short defect occurs from the bidirectional line by cutting a portion of the bidirectional line; and applying a signal toward an end of the cut portion from both sides of the bidirectional line.Type: GrantFiled: June 19, 2009Date of Patent: August 23, 2011Assignee: Samsung Mobile Display Co., Ltd.Inventors: Jin-Gyu Kang, Keun Kim
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Patent number: 7977128Abstract: An etchant for forming double-layered signal lines and electrodes of a liquid crystal display device includes hydrogen peroxide (H2O2), a phosphate, F-ions, an organic acid having a carboxyl group (—COOH), a copper (Cu) inhibitor, and a hydrogen peroxide (H2O2) stabilizer, wherein each of the double-layered signal lines and electrodes of the liquid crystal display device includes a first layer of one of aluminum (Al), aluminum alloy (Al-alloy), titanium (Ti), titanium alloy (Ti-alloy), tantalum (Ta), and a tantalum alloy (Ta-alloy) and a second layer of copper (Cu).Type: GrantFiled: March 5, 2010Date of Patent: July 12, 2011Assignee: LG Display Co., Ltd.Inventors: Won-Ho Cho, Gyoo-Chul Jo, Gue-Tai Lee, Jin-Gyu Kang, Beung-Hwa Jeong, Jin-Young Kim