Patents by Inventor Kyung Ha Lee
Kyung Ha 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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Patent number: 11938781Abstract: A vehicular heat management system includes a refrigerant circulation line configured to generate hot energy or cold energy depending on a flow direction of a refrigerant, a heater core side coolant circulation line configured to transfer refrigerant heat generated in the refrigerant circulation line to a heater core to heat a passenger compartment, and a battery side coolant circulation line configured to receive coolant heat of the heater core side coolant circulation line via a coolant and then circulate the coolant through a battery to preheat the battery.Type: GrantFiled: August 27, 2019Date of Patent: March 26, 2024Assignee: Hanon SystemsInventors: Hyeon Gyu Kim, Doo Hoon Kim, Kyung Ju An, Byeong Ha Lee, Jin Jae Lee, Joong Man Han
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Publication number: 20240070988Abstract: A method for estimating locomotion in virtual reality performed by at least one processor includes measuring a plurality of pressure points according to a user's locomotion using a high-resolution tactile sensor including a plurality of pressure sensors, extracting a plurality of footprint images including the plurality of measured pressure points, clustering the plurality of pressure points into a first set of pressure points corresponding to a left foot and a second set of pressure points corresponding to a right foot, based on the plurality of extracted footprint images, and estimating at least a portion of a locomotion direction and a locomotion speed of the user using a first cluster corresponding to the first set of pressure points and a second cluster corresponding to the second set of pressure points.Type: ApplicationFiled: August 24, 2023Publication date: February 29, 2024Inventors: Yunho CHOI, Kyung-Joong KIM, Ecehan AKAN, Dong Hyeok PARK, Sung Ha LEE, Hyeon-Chang JEON, Isaac HAN
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Patent number: 11372356Abstract: Provided is an operation method of an image forming apparatus, the operation method including according to a color registration pattern that is a standard for determining an overlapping degree of respective color images of a plurality of colors to form a color image, transferring respective developers with the plurality of colors onto an intermediate transfer body; obtaining patch data of patches of the plurality of colors transferred according to the color registration pattern onto the intermediate transfer body. The patch data is compared with reference patch data corresponding to the color registration pattern, and based on a result of the comparing, noise data corresponding to noise is detected from the patch data. Standard patch data is obtained by removing the noise data from the patch data, and performing color registration based on the standard patch data.Type: GrantFiled: October 15, 2018Date of Patent: June 28, 2022Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.Inventors: Kyung Ha Lee, Seok Heon Chae, Yun Su Kim
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Publication number: 20220173160Abstract: A display device includes first and second alignment electrodes disposed on a substrate, an alignment insulating film having a concave portion disposed between the first and second alignment electrodes, a light-emitting device disposed on the alignment insulating film, first and second electrodes electrically connected to the light-emitting device, a thin-film transistor connected to one of the first and second electrodes, and a plurality of insulating films providing a trench disposed on the concave portion, the trench having a larger width than the concave portion, thereby improving emission efficiency.Type: ApplicationFiled: November 29, 2021Publication date: June 2, 2022Applicant: LG DISPLAY CO., LTD.Inventors: Sang Hoon PAK, Tae Gyu LEE, Seon Hee LEE, Jung Eun LEE, Kyung Ha LEE
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Publication number: 20220163852Abstract: A display device including a backlight unit that includes a barrier layer disposed between a light-emitting chip and an electrode pad to reduce the contact area between a solder and the electrode pad due to the barrier layer, so that a portion of the electrode pad overlapping with the barrier layer is left behind without being diffused into the solder, and rework can be performed on a process of mounting the light-emitting chip.Type: ApplicationFiled: November 22, 2021Publication date: May 26, 2022Applicant: LG DISPLAY CO., LTD.Inventors: Kyung Ha LEE, Sung Woo CHOI, Nam Kook KIM
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Publication number: 20220165787Abstract: A display device capable of improving a light emission efficiency includes a plurality of insulating films disposed on a substrate, a trench exposing side surfaces of the plurality of insulating films, a first alignment electrode disposed on the side surfaces of the plurality of insulating films exposed by the trench, a second alignment electrode disposed so as to be surrounded by the first alignment electrode, and a light-emitting device connected to the first and second alignment electrodes and disposed between the first and second alignment electrodes within the trench, thereby improving a light emission efficiency.Type: ApplicationFiled: November 4, 2021Publication date: May 26, 2022Applicant: LG DISPLAY CO., LTD.Inventors: Tae Gyu LEE, Jung Eun LEE, Kyung Ha LEE
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Patent number: 11099414Abstract: A method of manufacturing a curved display panel, includes: polishing a portion of the flat display panel that is to form a protrusion, which protrudes in order to protect a portion, to which a drive circuit board is attached, through mechanical polishing so as to have a preset thickness; installing a sealing member, which protects the flat display panel, polished in the polishing, from an etchant by surrounding both the portion that is to form the protrusion and the drive circuit board; and etching an entirety of both surfaces of the flat display panel using the etchant, excluding a portion on which the sealing member is provided, so that the flat display panel, having the sealing member installed in the installing, has a thickness smaller than a thickness of the protrusion.Type: GrantFiled: February 17, 2017Date of Patent: August 24, 2021Assignee: TOVIS CO., LTD.Inventors: Kyung Ha Lee, Yong Beom Kim, In Suk Lee
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Patent number: 10976614Abstract: A method of manufacturing a stretched display panel includes: cutting the TFT substrate to a desired size; cutting the color filter substrate; forming an open-circuit line for open-circuiting a portion defined between a horizontal pixel line that is located at an end of the TFT substrate and another horizontal pixel line adjacent thereto in order to prevent electrical noise due to the horizontal pixel lines being introduced into the end of the TFT substrate exposed from the pixel exposure portion; and forming a reinforcement seal for covering the pixel exposure portion using a reinforcement material in order to prevent occurrence of short circuit due to introduction of foreign matter into a gap defined between the horizontal pixel line and the other horizontal pixel line and at the same time to increase rigidity of the pixel exposure portion.Type: GrantFiled: March 26, 2018Date of Patent: April 13, 2021Assignee: TOVIS CO., LTD.Inventors: Kyung Ha Lee, Kyoung Hun Yang, Young Tae Jeong, Won Gyu Lee
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Publication number: 20210104183Abstract: A method of manufacturing a stretched display panel includes: cutting the TFT substrate to a desired size; cutting the color filter substrate; forming an open-circuit line for open-circuiting a portion defined between a horizontal pixel line that is located at an end of the TFT substrate and another horizontal pixel line adjacent thereto in order to prevent electrical noise due to the horizontal pixel lines being introduced into the end of the TFT substrate exposed from the pixel exposure portion; and forming a reinforcement seal for covering the pixel exposure portion using a reinforcement material in order to prevent occurrence of short circuit due to introduction of foreign matter into a gap defined between the horizontal pixel line and the other horizontal pixel line and at the same time to increase rigidity of the pixel exposure portion.Type: ApplicationFiled: March 26, 2018Publication date: April 8, 2021Applicant: TOVIS CO., LTD.Inventors: Kyung Ha LEE, Kyoung Hun YANG, Young Tae JEONG, Won Gyu LEE
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Publication number: 20210080890Abstract: Provided is an operation method of an image forming apparatus, the operation method including according to a color registration pattern that is a standard for determining an overlapping degree of respective color images of a plurality of colors to form a color image, transferring respective developers with the plurality of colors onto an intermediate transfer body; obtaining patch data of patches of the plurality of colors transferred according to the color registration pattern onto the intermediate transfer body. The patch data is compared with reference patch data corresponding to the color registration pattern, and based on a result of the comparing, noise data corresponding to noise is detected from the patch data. Standard patch data is obtained by removing the noise data from the patch data, and performing color registration based on the standard patch data.Type: ApplicationFiled: October 15, 2018Publication date: March 18, 2021Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.Inventors: Kyung Ha LEE, Seok Heon CHAE, Yun Su KIM
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Patent number: 10705360Abstract: A method of manufacturing a curved display panel by reducing a thickness of a flat display panel comprising a first substrate and a second substrate, the method includes: polishing a portion that is to form a protrusion on an edge of at least one of the first substrate and the second substrate to a preset thickness through mechanical polishing; masking the portion that is to form the protrusion, polished to the preset thickness in the polishing, using a masking member so as to prevent the portion from being etched by an etchant; and etching the display panel to a preset thickness by the etchant so as to be thinner than the portion masked by the masking member to make the protrusion protrude therefrom.Type: GrantFiled: June 20, 2017Date of Patent: July 7, 2020Assignee: TOVIS CO., LTD.Inventors: Kyung Ha Lee, Ryongmin Park, In Suk Lee
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Patent number: 10286309Abstract: A three-dimensional image device for providing an improved sense of immersion includes: a moving stage that includes a seat on which a viewer sits and a seat moving mechanism for moving the seat; a first transparent curved display located in front of the viewer and having a curved surface shape that is concave in the direction in which the viewer watches the first curved display, wherein the seat moves according to a first displayed image; and a second curved display located behind the first curved display and having a curved surface shape that is concave in the direction in which the viewer watches the second curved display, wherein the second curved display displays a second image overlapping the first image. Accordingly, it is possible to enhance the three-dimensional effect of a three-dimensional image, to increase a sense of immersion, and to improve a sense of realism.Type: GrantFiled: September 4, 2015Date of Patent: May 14, 2019Assignee: TOVIS CO., LTD.Inventors: Kyung Ha Lee, Hwan Jin Kim, Ryong Min Park
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Publication number: 20190137800Abstract: A method of manufacturing a curved display panel by reducing a thickness of a flat display panel comprising a first substrate and a second substrate, the method includes: polishing a portion that is to form a protrusion on an edge of at least one of the first substrate and the second substrate to a preset thickness through mechanical polishing; masking the portion that is to form the protrusion, polished to the preset thickness in the polishing, using a masking member so as to prevent the portion from being etched by an etchant; and etching the display panel to a preset thickness by the etchant so as to be thinner than the portion masked by the masking member to make the protrusion protrude therefrom.Type: ApplicationFiled: June 20, 2017Publication date: May 9, 2019Applicant: TOVIS CO., LTD.Inventors: Kyung Ha LEE, Ryongmin PARK, In Suk LEE
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Patent number: 10267986Abstract: An optical fiber plate manufacturing apparatus using vibration, includes: an optical fiber supply unit configured to supply an optical fiber; an optical fiber cutting unit configured to cut the optical fiber, supplied from the optical fiber supply unit, to a preset size; an optical fiber storage case configured to collect and store optical fibers, cut to the preset size, in a predetermined direction; and an optical fiber arranging unit configured to arrange the optical fibers, stored in the optical fiber storage case, using vibration so as to minimize a gap between the optical fibers.Type: GrantFiled: October 28, 2016Date of Patent: April 23, 2019Assignee: TOVIS CO., LTD.Inventors: Kyung Ha Lee, In Soo Jeon, Young Tae Jeong, In Suk Lee, Seung Hwan Hang, Jae Min Kim, Gi Yun Eom
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Publication number: 20190113795Abstract: A method of manufacturing a curved display panel, includes: polishing a portion of the flat display panel that is to form a protrusion, which protrudes in order to protect a portion, to which a drive circuit board is attached, through mechanical polishing so as to have a preset thickness; installing a sealing member, which protects the flat display panel, polished in the polishing, from an etchant by surrounding both the portion that is to form the protrusion and the drive circuit board; and etching an entirety of both surfaces of the flat display panel using the etchant, excluding a portion on which the sealing member is provided, so that the flat display panel, having the sealing member installed in the installing, has a thickness smaller than a thickness of the protrusion.Type: ApplicationFiled: February 17, 2017Publication date: April 18, 2019Applicant: TOVIS CO., LTD.Inventors: Kyung Ha LEE, Yong Beom KIM, In Suk LEE
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Patent number: 10215917Abstract: A digital bezel of a display device includes: a display device including a bezel region for displaying an image different from an effective screen by dividing a frame portion of an effective screen of the display device; and an optical pick-up member, mounted in the bezel region, for picking up an image displayed in the bezel region in a straight line by a predetermined thickness to three-dimensionally highlight the image. As such, the three-dimensional effect of the image can be emphasized and manufacturing costs can be reduced.Type: GrantFiled: September 3, 2015Date of Patent: February 26, 2019Assignee: TOVIS CO., LTD.Inventors: Yong Beom Kim, Kyung Ha Lee
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Publication number: 20190022524Abstract: A three-dimensional image device for providing an improved sense of immersion includes: a moving stage that includes a seat on which a viewer sits and a seat moving mechanism for moving the seat; a first transparent curved display located in front of the viewer and having a curved surface shape that is concave in the direction in which the viewer watches the first curved display, wherein the seat moves according to a first displayed image; and a second curved display located behind the first curved display and having a curved surface shape that is concave in the direction in which the viewer watches the second curved display, wherein the second curved display displays a second image overlapping the first image. Accordingly, it is possible to enhance the three-dimensional effect of a three-dimensional image, to increase a sense of immersion, and to improve a sense of realism.Type: ApplicationFiled: September 4, 2015Publication date: January 24, 2019Applicant: TOVIS CO., LTD.Inventors: Kyung Ha LEE, Hwan Jin KIM, Ryong Min PARK
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Patent number: 10162297Abstract: An image forming apparatus is provided. The image forming apparatus includes: a plurality of photosensitive drums; a plurality of exposurers exposing some area of surfaces of each of the plurality of photosensitive drums; a plurality of developers disposing a toner in the exposed area on the surfaces of each of the plurality of photosensitive drums; an intermediate transfer belt transferred with the toner disposed on each of the plurality of photosensitive drums to form a pattern; and a processor controlling the plurality of photosensitive drums or the plurality of exposurers to form a printed pattern on the intermediate transfer belt at a predetermined first concentration in response to a print command being input and form a registration pattern on the intermediate transfer belt at a second concentration lower than the first concentration in response to a registration command being input.Type: GrantFiled: July 12, 2017Date of Patent: December 25, 2018Assignee: HP PRINTING KOREA CO., LTD.Inventors: Kyung-ha Lee, Jae-bum Yoo
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Publication number: 20180321441Abstract: An optical fiber plate manufacturing apparatus using vibration, includes: an optical fiber supply unit configured to supply an optical fiber; an optical fiber cutting unit configured to cut the optical fiber, supplied from the optical fiber supply unit, to a preset size; an optical fiber storage case configured to collect and store optical fibers, cut to the preset size, in a predetermined direction; and an optical fiber arranging unit configured to arrange the optical fibers, stored in the optical fiber storage case, using vibration so as to minimize a gap between the optical fibers.Type: ApplicationFiled: October 28, 2016Publication date: November 8, 2018Applicant: TOVIS CO., LTD.Inventors: Kyung Ha LEE, In Soo JEON, Young Tae JEONG, In Suk LEE, Seung Hwan HANG, Jae Min KIM, Gi Yun EOM
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Publication number: 20180239084Abstract: A digital bezel of a display device includes: a display device including a bezel region for displaying an image different from an effective screen by dividing a frame portion of an effective screen of the display device; and an optical pick-up member, mounted in the bezel region, for picking up an image displayed in the bezel region in a straight line by a predetermined thickness to three-dimensionally highlight the image. As such, the three-dimensional effect of the image can be emphasized and manufacturing costs can be reduced.Type: ApplicationFiled: September 3, 2015Publication date: August 23, 2018Applicant: TOVIS CO., LTD.Inventors: Yong Beom KIM, Kyung Ha LEE