Patents by Inventor Ho Chul Lee
Ho Chul Lee 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: 20240121543Abstract: An electronic device according to various embodiments of the present invention may comprise: a housing comprising a first surface facing in a first direction and a second surface facing in a second direction that is opposite to the first direction, the first surface comprising an at least partially transparent part and at least one opening formed adjacent to the at least partially transparent part; a camera positioned inside the housing, the camera comprising an image sensor facing in the first direction through the at least partially transparent part of the housing; and an acoustic component arranged between the first surface and the second surface, the acoustic component comprising a vibration plate configured to generate a sound such that the same moves in at least one direction selected from the first and second directions, a first passage formed in a third direction that is substantially perpendicular to the first direction such that the generated sound passes through the same, and a second passage formeType: ApplicationFiled: November 13, 2023Publication date: April 11, 2024Inventors: Young-Bae PARK, Byoung-Hee LEE, Jae-Hee YOU, Tae-Eon KIM, Han-Bom PARK, Sun-Young LEE, Byoung-Uk YOON, Kyung-Hee LEE, Ho-Chul HWANG
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Patent number: 11949068Abstract: A polymer electrolyte includes a polymer matrix including a polymer having a repeating unit represented by the formula and an ionic liquid. R1 to R3 are each one of a substituted or unsubstituted C1-C12 alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heteroaryl group, or combinations thereof. Each R4 is one of hydrogen, a halogen group, a nitrile group, a nitro group, an amine group, a substituted or unsubstituted C1-C10 alkyl group, a substituted or unsubstituted C1-C10 alkoxy group, a substituted or unsubstituted aryl group, a substituted or unsubstituted C5-C14 heteroaryl group, or combinations thereof. Substituents of R1 to R4 are each one of a halogen group, a cyano group, a nitro group, a C1-C8 alkyl group, or combinations thereof, x is an integer of 1 to 8, and n is an integer of 60 to 3200.Type: GrantFiled: July 14, 2021Date of Patent: April 2, 2024Assignees: Hyundai Motor Company, Kia Corporation, University of Seoul IndustryInventors: Ho Taek Lee, Yong Min Kim, Hong Chul Moon
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Publication number: 20240097297Abstract: A cylindrical secondary battery includes: an electrode assembly including a first electrode plate and a second electrode plate; a cylindrical case having a disk-shaped top portion and a side portion extending from the top portion, the cylindrical case accommodating the electrode assembly; a cathode terminal extending through the top portion and insulated therefrom; a first current collector plate electrically connected to the first electrode plate and the cathode terminal; a second current collector plate electrically connected to the second electrode plate and the side portion of the cylindrical case; a cap plate coupled to the side portion and insulated therefrom; and an insulation tape between the top portion of the cylindrical case and the first current collector plate and covering the first current collector plate.Type: ApplicationFiled: August 16, 2023Publication date: March 21, 2024Inventors: Hyun Ki JUNG, Myung Seob KIM, Kyung Rok LEE, Jin Young MOON, Ho Jae LEE, Byung Chul PARK
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Patent number: 11922225Abstract: Provided is a cluster node recommendation system. A method of controlling the cluster node recommendation system includes: inputting user selection information from a user, the user selection information including at least one of a cloud vendor, an Information Technology (IT) resource size, and a free resource size; checking resource requirements of a designated application; outputting a node configuration by inputting the input user selection information and the checked resource requirements of the application to an artificial intelligence module; verifying validity by arranging a container in which the application is executed, in the output node configuration; and providing a final node configuration in which validity verification is made, to the user.Type: GrantFiled: November 1, 2023Date of Patent: March 5, 2024Assignee: STRATO CO., LTD.Inventors: Hyeong-Doo Kim, Ho-Chul Lee, Sun-Kyu Park, Nam-Kyu Park, Yong-Min Kwon
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Patent number: 11450249Abstract: Disclosed are a display device and a compensation method thereof for preventing and compensating for deterioration of pixels using average data of stress for each pixel. The display device includes a display panel comprising a plurality of pixels provided thereon and configured to display an image, a display driver configured to output a driving signal for driving the display panel, a timing controller configured to generate stress data by converting grayscale values included in image data into stress values, to accumulate the stress data for each pixel, to calculate average data for each pixel corresponding to an accumulated number of times, to determine a compensation value by performing lossless and lossy compression and restoration on the average data in a regular region and an irregular region, respectively, and to provide the compensation value to the display driver.Type: GrantFiled: December 14, 2020Date of Patent: September 20, 2022Assignee: LG Display Co., Ltd.Inventors: Ji-Hee Song, Chul-Kwon Lee, Ho-Chul Lee, Ji-Hwan Kim
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Patent number: 11302263Abstract: The present disclosure relates to an organic light emitting display device. The device includes, among others, a controller including a data compensator configured to accumulate stress data applied to organic light emitting diodes (OLEDs) on the basis of input image data, to generate accumulated stress data under a condition for recovery of accumulated loss in a loss region, to compress and restore the accumulated stress data in a lossless manner and a loss manner to determine a compensated value and to output the compensated value. Accordingly, it is possible to estimate previous loss data on the basis of new image data to be currently accumulated, recover loss and accumulate data to prevent accumulation of loss and efficiently compensate for afterimage due to deterioration of OLEDs to extend the period of use.Type: GrantFiled: December 10, 2020Date of Patent: April 12, 2022Assignee: LG Display Co., Ltd.Inventors: Ji-Hee Song, Chul-Kwon Lee, Ho-Chul Lee, Se-Ho Lim
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Publication number: 20210201820Abstract: The present disclosure relates to an organic light emitting display device. The device includes, among others, a controller including a data compensator configured to accumulate stress data applied to organic light emitting diodes (OLEDs) on the basis of input image data, to generate accumulated stress data under a condition for recovery of accumulated loss in a loss region, to compress and restore the accumulated stress data in a lossless manner and a loss manner to determine a compensated value and to output the compensated value. Accordingly, it is possible to estimate previous loss data on the basis of new image data to be currently accumulated, recover loss and accumulate data to prevent accumulation of loss and efficiently compensate for afterimage due to deterioration of OLEDs to extend the period of use.Type: ApplicationFiled: December 10, 2020Publication date: July 1, 2021Inventors: Ji-Hee SONG, Chul-Kwon LEE, Ho-Chul LEE, Se-Ho LIM
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Publication number: 20210192998Abstract: Disclosed are a display device and a compensation method thereof for preventing and compensating for deterioration of pixels using average data of stress for each pixel. The display device includes a display panel comprising a plurality of pixels provided thereon and configured to display an image, a display driver configured to output a driving signal for driving the display panel, a timing controller configured to generate stress data by converting grayscale values included in image data into stress values, to accumulate the stress data for each pixel, to calculate average data for each pixel corresponding to an accumulated number of times, to determine a compensation value by performing lossless and lossy compression and restoration on the average data in a regular region and an irregular region, respectively, and to provide the compensation value to the display driver.Type: ApplicationFiled: December 14, 2020Publication date: June 24, 2021Inventors: Ji-Hee SONG, Chul-Kwon LEE, Ho-Chul LEE, Ji-Hwan KIM
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Patent number: 10960799Abstract: A car seat lumbar support unit performs an elevating operation of an upper bracket relative to a lower bracket which determines a degree of curvature of a seat back by using a first motor, a first transfer screw, and a first nut member (first elevating unit) that are easily designed and manufactured, and performs an elevating operation of the lower bracket and the upper bracket which determines a curved position of the seat back by using a second motor, a second transfer screw, and a second nut member (second elevating unit), wherein a rotary cylinder is organically coupled so that the first elevating unit and the second elevating unit are independently operable without being restricted by each other.Type: GrantFiled: December 10, 2019Date of Patent: March 30, 2021Assignee: DAEDONG SYSTEM CO., LTDInventors: Ho Chul Lee, In Seob Ju, Jung Jo Lim
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Publication number: 20200189429Abstract: A car seat lumbar support unit performs an elevating operation of an upper bracket relative to a lower bracket which determines a degree of curvature of a seat back by using a first motor, a first transfer screw, and a first nut member (first elevating unit) that are easily designed and manufactured, and performs an elevating operation of the lower bracket and the upper bracket which determines a curved position of the seat back by using a second motor, a second transfer screw, and a second nut member (second elevating unit), wherein a rotary cylinder is organically coupled so that the first elevating unit and the second elevating unit are independently operable without being restricted by each other.Type: ApplicationFiled: December 10, 2019Publication date: June 18, 2020Inventors: Ho Chul LEE, In Seob JU, Jung Jo LIM
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Patent number: 9614121Abstract: A method of fabricating a semiconductor light-emitting device is provided that includes forming a first conductivity-type semiconductor layer, forming an active layer by alternately forming a plurality of quantum well layers grown at a first temperature and a plurality of quantum barrier layers grown at a second temperature higher than the first temperature, and forming a second conductivity-type semiconductor layer.Type: GrantFiled: August 16, 2016Date of Patent: April 4, 2017Assignee: Samsung Electronics Co., Ltd.Inventors: Yong Seok Choi, Chul Min Kim, Dong Gyu Shin, Ho Chul Lee, Joo Young Cheon, Do Young Rhee, Jeong Wook Lee
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Publication number: 20170009800Abstract: Provided is an apparatus for manually operating a transmission state of a car, the apparatus including a base member fixed on a frame of the car; and a manipulation lever having a side rotatably coupled to the base member via a hinge shaft and an opposite side rotating about the hinge shaft, and comprising a through hole, through which an end of an operating cable for manually operating the transmission state passes, and a fixing recess formed adjacent to the through hole for hooking and fixing the end of the operating cable, wherein the manipulation lever and the end of the operating cable are rotated together so as to shift the transmission state via the manual operation, connecting and separating of the operating cable and the manipulation lever is freely performed via the through hole, and the operating cable is fixed to the manipulation lever via the fixing recess.Type: ApplicationFiled: July 7, 2016Publication date: January 12, 2017Inventors: Ho Chul LEE, In Seob JU, Jin Ho BOK, Jung Jo LIM
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Patent number: 9490391Abstract: A semiconductor light emitting device may include: a first conductivity-type semiconductor layer; an active layer disposed on the first conductivity-type semiconductor layer and including a plurality of quantum barrier layers and a plurality of quantum well layers which are alternately stacked; and a second conductivity-type semiconductor layer disposed on the active layer. A quantum barrier layer closest to the second conductivity-type semiconductor layer, among the plurality of quantum barrier layers, may include a first undoped region and a first doped region disposed on the first undoped region and having a thickness greater than or equal to that of the first undoped region. Each of the first undoped region and the first doped region may include a plurality of first unit layers having different energy band gaps, and at least one hole accumulation region.Type: GrantFiled: June 4, 2015Date of Patent: November 8, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jong Hyun Lee, Min Hwan Kim, Eun Deok Sim, Ji Heon Oh, Heon Ho Lee, Ho Chul Lee, Jae Sung Hyun
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Patent number: 9337391Abstract: A semiconductor light emitting device includes an n-type semiconductor layer, a border layer disposed on the n-type semiconductor layer, having band gap energy decreasing in a single direction, and represented by an empirical formula AlxInyGa1?x?yN (0?x?0.1, 0.01?y?0.1), an active layer disposed on the border layer and having a structure in which one or more InGaN layers and one or more GaN layers are alternately stacked, and a p-type semiconductor layer.Type: GrantFiled: March 18, 2015Date of Patent: May 10, 2016Assignee: Samsung Electronics Co., Ltd.Inventors: Jai Won Jean, Min Hwan Kim, Eun Deok Sim, Jong Hyun Lee, Heon Ho Lee, Ho Chul Lee, Jae Sung Hyun
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Publication number: 20160111595Abstract: A semiconductor light emitting device may include: a first conductivity-type semiconductor layer; an active layer disposed on the first conductivity-type semiconductor layer and including a plurality of quantum barrier layers and a plurality of quantum well layers which are alternately stacked; and a second conductivity-type semiconductor layer disposed on the active layer. A quantum barrier layer closest to the second conductivity-type semiconductor layer, among the plurality of quantum barrier layers, may include a first undoped region and a first doped region disposed on the first undoped region and having a thickness greater than or equal to that of the first undoped region. Each of the first undoped region and the first doped region may include a plurality of first unit layers having different energy band gaps, and at least one hole accumulation region.Type: ApplicationFiled: June 4, 2015Publication date: April 21, 2016Inventors: Jong Hyun LEE, Min Hwan KIM, Eun Deok SIM, Ji Heon OH, Heon Ho LEE, Ho Chul LEE, Jae Sung HYUN
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Patent number: 9299561Abstract: A method for fabricating a nitride semiconductor thin film includes preparing a first nitride single crystal layer doped with an n-type impurity. A plurality of etch pits are formed in a surface of the first nitride single crystal layer by applying an etching gas thereto. A second nitride single crystal layer is grown on the first nitride single crystal layer having the etch pits formed therein.Type: GrantFiled: April 10, 2014Date of Patent: March 29, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Keon Hun Lee, Min Ho Kim, Jong Uk Seo, Suk Ho Yoon, Kee Won Lee, Sang Don Lee, Ho Chul Lee
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Publication number: 20160043279Abstract: A semiconductor light emitting device includes an n-type semiconductor layer, a border layer disposed on the n-type semiconductor layer, having band gap energy decreasing in a single direction, and represented by an empirical formula AlxInyGa1?x?yN (0?x?0.1, 0.01?y?0.1), an active layer disposed on the border layer and having a structure in which one or more InGaN layers and one or more GaN layers are alternately stacked, and a p-type semiconductor layer.Type: ApplicationFiled: March 18, 2015Publication date: February 11, 2016Inventors: Jai Won JEAN, Min Hwan KIM, Eun Deok SIM, Jong Hyun LEE, Heon Ho LEE, Ho Chul LEE, Jae Sung HYUN
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Patent number: 9093157Abstract: A three-dimensional nonvolatile memory device comprises a plurality of cell strings arranged perpendicular to a substrate. The nonvolatile memory device is programmed by identifying a selected word line and a plurality of unselected word lines connected to at least one of the cell stings, and sequentially applying a negative voltage and a pass voltage to the selected and unselected word lines, and then applying a program voltage to the selected word line while continuing to apply the pass voltage to the unselected word lines.Type: GrantFiled: November 7, 2012Date of Patent: July 28, 2015Assignee: Samsung Electronics Co., Ltd.Inventors: Donghun Kwak, Suna Kim, Cheon An Lee, Ho-Chul Lee
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Patent number: 8976584Abstract: A method is provided for programming a flash memory device including memory cells formed in a direction perpendicular to a substrate, a first sub word line connected to first memory cells and selectable by a first selection line, and a second sub word line connected to second memory cells and selectable by a second selection line, the first and second memory cells being formed at the same level and being supplied with a program voltage at the same time. The method includes performing LSB program operations on the first and second sub word lines by enabling the first and second selection lines, respectively; performing CSB program operations on the first and second sub word lines by enabling the first and second selection lines, respectively; and performing MSB program operations on the first and second sub word lines by enabling the first and second selection lines, respectively.Type: GrantFiled: February 14, 2013Date of Patent: March 10, 2015Assignee: Samsung Electronics Co., Ltd.Inventors: Jinman Han, Ho-Chul Lee, Min-Su Kim, Sangwan Nam, Junghoon Park
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Patent number: 8919707Abstract: The present invention provides a support clip for a vehicle cable, which is significantly prevented from being inappropriately coupled to a socket member connected to a cable, and which makes it possible to couple and decouple components without using a tool, thereby assembling and replacing components more efficiently.Type: GrantFiled: October 12, 2012Date of Patent: December 30, 2014Assignee: Daedong System Co., Ltd.Inventors: Ho Chul Lee, In Seob Ju, Jung Jo Lim