Patents by Inventor Seong Hwan Hwang
Seong Hwan 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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Patent number: 11967389Abstract: The present technology may include a first storage circuit connected to a plurality of memory banks, an error correction circuit, a read path including a plurality of sub-read paths connected between the plurality of memory banks and the error correction circuit, and a control circuit configured to control data output from the plurality of memory banks to be simultaneously stored in the first storage circuit by deactivating the read path during a first sub-test section, and to control the data stored in the first storage circuit to be sequentially transmitted to the error correction circuit by sequentially activating the plurality of sub-read paths during a second sub-test section.Type: GrantFiled: May 5, 2022Date of Patent: April 23, 2024Assignee: SK hynix Inc.Inventors: Seon Woo Hwang, Seong Jin Kim, Jung Hwan Ji
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Patent number: 11925084Abstract: A display panel can include a substrate, a light-emitting element including an emission region on the substrate, a reference voltage line adjacent to the light-emitting element, and a branch line connected to the reference voltage line to apply a reference voltage to light-emitting element. The light-emitting element can emit light on the emission region in a direction of the substrate. Further, the branch line can include a semiconductor layer, and the semiconductor layer of the branch line can overlap the emission region.Type: GrantFiled: December 16, 2022Date of Patent: March 5, 2024Assignee: LG DISPLAY CO., LTD.Inventors: Dong Yoon Lee, Kwang Yong Choi, Seong Hwan Hwang, Byeong Uk Gang, Hye Min Park
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Publication number: 20230120823Abstract: A display panel can include a substrate, a light-emitting element including an emission region on the substrate, a reference voltage line adjacent to the light-emitting element, and a branch line connected to the reference voltage line to apply a reference voltage to light-emitting element. The light-emitting element can emit light on the emission region in a direction of the substrate. Further, the branch line can include a semiconductor layer, and the semiconductor layer of the branch line can overlap the emission region.Type: ApplicationFiled: December 16, 2022Publication date: April 20, 2023Applicant: LG Display Co., Ltd.Inventors: Dong Yoon LEE, Kwang Yong CHOI, Seong Hwan HWANG, Byeong Uk GANG, Hye Min PARK
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Patent number: 11557642Abstract: The present disclosure relates to a display panel and a repair method thereof. The display panel includes a plurality of pixel circuits in which an emission region, through which light from a light-emitting element is emitted, is defined, a power line configured to apply a pixel driving voltage to the pixel circuits, a reference voltage line to which a reference voltage lower than the pixel driving voltage is applied, and a branch line connected to the reference voltage line to apply the reference voltage to one or more of the pixel circuits. At least a portion of the branch line includes a partially metalized semiconductor layer.Type: GrantFiled: December 7, 2020Date of Patent: January 17, 2023Assignee: LG DISPLAY CO., LTD.Inventors: Dong Yoon Lee, Kwang Yong Choi, Seong Hwan Hwang, Byeong Uk Gang, Hye Min Park
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Patent number: 11430396Abstract: The present disclosure relates to a display panel and a display device using the same. The display panel includes: a plurality of data lines to which a data voltage is applied; a plurality of pixel driving voltage lines arranged parallel to the data lines, and to which a pixel driving voltage is applied; and a plurality of reference voltage lines overlapping the pixel driving voltage lines with an insulating layer disposed therebetween, arranged in parallel with the data lines, and to which a reference voltage lower than the pixel driving voltage is applied.Type: GrantFiled: September 9, 2021Date of Patent: August 30, 2022Assignee: LG DISPLAY CO., LTD.Inventors: Seong Hwan Hwang, Mun Chae Yoon
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Publication number: 20220148519Abstract: The present disclosure relates to a display panel and a display device using the same. The display panel includes: a plurality of data lines to which a data voltage is applied; a plurality of pixel driving voltage lines arranged parallel to the data lines, and to which a pixel driving voltage is applied; and a plurality of reference voltage lines overlapping the pixel driving voltage lines with an insulating layer disposed therebetween, arranged in parallel with the data lines, and to which a reference voltage lower than the pixel driving voltage is applied.Type: ApplicationFiled: September 9, 2021Publication date: May 12, 2022Applicant: LG DISPLAY CO., LTD.Inventors: Seong Hwan HWANG, Mun Chae YOON
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Publication number: 20220148516Abstract: A display panel includes a first metal layer; a first insulating layer covering the first metal layer; a semiconductor layer disposed on the first insulating layer; a second insulating layer disposed on the first insulating layer to cover the semiconductor layer; and a second metal layer disposed on the second insulating layer, wherein the first metal layer comprises a bottom gate electrode of a driving element, wherein the second metal layer comprises a top gate electrode of the driving element connected to the bottom gate electrode through a first contact hole penetrating the second insulating layer and the first insulating layer, wherein the semiconductor layer comprises a semiconductor channel of the driving element overlapping with the top gate electrode and the bottom gate electrode.Type: ApplicationFiled: November 10, 2021Publication date: May 12, 2022Applicant: LG DISPLAY CO., LTD.Inventors: Seong Hwan HWANG, Byeong Uk GANG, Mun Chae YOON
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Publication number: 20210202659Abstract: The present disclosure relates to a display panel and a repair method thereof. The display panel includes a plurality of pixel circuits in which an emission region, through which light from a light-emitting element is emitted, is defined, a power line configured to apply a pixel driving voltage to the pixel circuits, a reference voltage line to which a reference voltage lower than the pixel driving voltage is applied, and a branch line connected to the reference voltage line to apply the reference voltage to one or more of the pixel circuits. At least a portion of the branch line includes a partially metalized semiconductor layer.Type: ApplicationFiled: December 7, 2020Publication date: July 1, 2021Applicant: LG Display Co., Ltd.Inventors: Dong Yoon LEE, Kwang Yong CHOI, Seong Hwan HWANG, Byeong Uk GANG, Hye Min PARK
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Patent number: 9370504Abstract: Provided is a pharmaceutical composition that contains a 1,2-dithiolthionederivative, and is effective to prevent and treat a disease caused by overactivity of a liver X receptor? (LXR?) or a sterol response element binding protein (SREBP-1). Specifically, the pharmaceutical composition includes 1,2-dithiolthione derivatives such as 4-methyl-5-(2-pyrazinyl)-1,2-dithiol-3-thione, 3-methyl-1,2-dithiol-3-thione, or 5-(6-methoxypyrazinyl)-4-methyl-1,2-dithiol-3-thione. The pharmaceutical composition is effective for preventing and treating hypertension caused by renin, aldosteronism, adrenoleukodystrophy, glomerulosclerosis, proteinuria, nephropathy, liver steatosis, hypertriglyceridemia or hyperreninemia.Type: GrantFiled: July 30, 2009Date of Patent: June 21, 2016Assignee: SNU R&DB FOUNDATIONInventors: Sang Geon Kim, Sung Hwan Ki, Seong Hwan Hwang
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Publication number: 20110152524Abstract: Provided is a pharmaceutical composition that contains a 1,2-dithiolthionederivative, and is effective to prevent and treat a disease caused by overactivity of a liver X receptor? (LXR?) or a sterol response element binding protein (SREBP-1). Specifically, the pharmaceutical composition includes 1,2-dithiolthione derivatives such as 4-methyl-5-(2-pyrazinyl)-1,2-dithiol-3-thione, 3-methyl-1,2-dithiol-3-thione, or 5-(6-methoxypyrazinyl)-4-methyl-1,2-dithiol-3-thione. The pharmaceutical composition is effective for preventing and treating hypertension caused by renin, aldosteronism, adrenoleukodystrophy, glomerulosclerosis, proteinuria, nephropathy, liver steatosis, hypertriglyceridemia or hyperreninemia.Type: ApplicationFiled: July 30, 2009Publication date: June 23, 2011Applicant: SNU R&DB FOUNDATIONInventors: Sang Geon Kim, Sung Hwan Ki, Seong Hwan Hwang
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Patent number: 7597472Abstract: A temperature sensor assembly having a bracket is disclosed, which can improve the accuracy of temperature measurement and maintain the fixing state of the temperature sensor after the temperature sensor is mounted. The temperature sensor assembly is installed on a fluid pipe to measure a temperature of fluid in the pipe, and includes a housing composed of a temperature sensor mounted therein, a depressed part formed on an outer periphery of the housing, and a catch groove formed on one side of the depressed part; and a bracket for fixing the housing to the pipe, composed of a housing support part formed to surround an outer periphery of the depressed part and having a catch portion formed on a cut end portion of the housing support part and fixed to the catch groove of the housing, and a pipe support part having a bent portion extending upward from the housing support part with a predetermined inclination and being in contact with the pipe and a free end portion extending from the bent portion.Type: GrantFiled: January 25, 2008Date of Patent: October 6, 2009Assignee: Pacific Controls Co., Ltd.Inventors: Tae Ho Hang, Deok Han Kim, Seong Hwan Hwang
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Publication number: 20090190630Abstract: A temperature sensor assembly having a bracket is disclosed, which can improve the accuracy of temperature measurement and maintain the fixing state of the temperature sensor after the temperature sensor is mounted. The temperature sensor assembly is installed on a fluid pipe to measure a temperature of fluid in the pipe, and includes a housing composed of a temperature sensor mounted therein, a depressed part formed on an outer periphery of the housing, and a catch groove formed on one side of the depressed part; and a bracket for fixing the housing to the pipe, composed of a housing support part formed to surround an outer periphery of the depressed part and having a catch portion formed on a cut end portion of the housing support part and fixed to the catch groove of the housing, and a pipe support part having a bent portion extending upward from the housing support part with a predetermined inclination and being in contact with the pipe and a free end portion extending from the bent portion.Type: ApplicationFiled: January 25, 2008Publication date: July 30, 2009Applicant: PACIFIC CONTROLS CO., LTDInventors: Tae Ho Hong, Deok Han Kim, Seong Hwan Hwang