Patents by Inventor Joong-Ha Lee
Joong-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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Publication number: 20240186528Abstract: A current collector and a method of manufacturing the same are disclosed herein. In some embodiments, a current collector includes a complex polymer film layer, wherein the complex polymer film layer includes: a polymer matrix; and a metal material dispersed in the polymer matrix, wherein the metal material is fiber-shaped or plate-shaped, and the metal material is oriented in one direction.Type: ApplicationFiled: November 17, 2021Publication date: June 6, 2024Applicant: LG Energy Solution, Ltd.Inventors: Jeong Woo Shon, Song Ho Jang, Woo Ha Kim, Nam Jeong Lee, Sung Soo Yoon, Joong Hoon Lee
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Publication number: 20240181835Abstract: 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: ApplicationFiled: February 16, 2024Publication date: June 6, 2024Inventors: Hyeon Gyu kim, Doo Hoon Kim, Kyung Ju An, Byeong Ha Lee, Jin Jae Lee, Joong Man Han
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Publication number: 20240178237Abstract: A display device includes a first substrate including light-emitting elements disposed on one surface thereof; a second substrate bonded to an opposite surface to the one surface of the first substrate; a plurality of side wirings electrically connecting the first substrate and the second substrate to each other; a wiring protection member covering the side wirings; wherein the wiring protection member includes a protective layer and a plurality of conductive particles dispersed in the protective layer.Type: ApplicationFiled: November 22, 2023Publication date: May 30, 2024Inventors: Won-Gyu JEONG, Joong-Ha LEE, Da-Young KIM
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Publication number: 20240172495Abstract: A display device includes a first substrate on which a plurality of light-emitting elements are disposed; an optical film including an upper surface, a side surface and a lower surface, and disposed on one surface of the first substrate and; a second substrate bonded to another surface of the first substrate; a side surface line electrically connecting the first substrate and the second substrate with each other; a side surface sealing member covering the side surface line; and a conductive protective film covering the side surface sealing member and the optical film.Type: ApplicationFiled: October 25, 2023Publication date: May 23, 2024Applicant: LG DISPLAY CO., LTD.Inventors: Jisu Han, Won-Gyu JEONG, Joong-Ha LEE, Da-Young KIM
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Publication number: 20240128280Abstract: Disclosed is a display device including: a first substrate on which a plurality of micro-LEDs are disposed; a second substrate bonded to one surface of the first substrate; a side wiring electrically connecting the first substrate and the second substrate to each other; a side surface sealing member covering the side wiring; and an antistatic film covering an outer surface of the side surface sealing member, wherein the side surface sealing member includes an organic filler and core-shell particles dispersed in the organic filler.Type: ApplicationFiled: September 21, 2023Publication date: April 18, 2024Inventors: Da-Young KIM, Won-Gyu JEONG, Joong-Ha LEE
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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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Patent number: 11931798Abstract: Disclosure provides a two-segment electromagnet stirring member, and a two-segment electromagnet semi-solid die-casting apparatus including the same, and a die-casting method using the same. The two-segment electromagnet stirring member includes a plurality of magnetic field generation parts therein, and includes a first electromagnetic stirring part and a second electromagnetic stirring part separated from each other. The first electromagnetic stirring part and the second electromagnetic stirring part are coupled to each other in a ring shape to surround an outer circumferential surface of a sleeve to perform electromagnetic stirring to molten metal in the sleeve, and are coupled to each other so as to position the plurality of magnetic field generation parts at radially equal gaps around the sleeve.Type: GrantFiled: December 22, 2021Date of Patent: March 19, 2024Assignee: HANJOO LIGHT METAL CO., LTD.Inventors: Yong-Jin Lee, Jin-Ha Park, Myung-Seong Kong, Seong-Rak Park, Joong-Suk Roh
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Patent number: 10784130Abstract: A bonding apparatus includes a stage supporting a substrate, a first bonding head at a first side of the stage, the first bonding head to pick up a first chip and to bond the picked-up first chip onto the substrate, a second bonding head at a second side of the stage, the second bonding head to pick up a second chip and to bond the picked-up second chip onto the substrate, and a first image acquisition unit over a movement path of the stage to acquire an image of the stage.Type: GrantFiled: December 12, 2017Date of Patent: September 22, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Joong-Ha Lee, Sang-Yoon Kim, YoungBum Kim, Hui-Jae Kim, SeungDae Seok, Jaebong Shin, Byungjoon Lee, Yongin Lee, Jaeyeon Pyo
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Patent number: 10281795Abstract: A liquid crystal lens film structure can includes a first substrate; a second substrate opposite to the first substrate; an adhesive layer on the second substrate; and a liquid crystal lens film between the first substrate and the adhesive layer. The liquid crystal lens film includes a resin layer configured to include a plurality of concave portions and a plurality of liquid crystal portions configured to each include liquid crystal molecules filled in the respective concave portion. The adhesive layer comes in contact with the liquid crystal lens film.Type: GrantFiled: December 28, 2015Date of Patent: May 7, 2019Assignee: LG DISPLAY CO., LTD.Inventors: Seong-il Kim, Su Seok Choi, Jong Hoon Woo, Joong Ha Lee, Sang Hoon Oh
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Publication number: 20180174871Abstract: A bonding apparatus includes a stage supporting a substrate, a first bonding head at a first side of the stage, the first bonding head to pick up a first chip and to bond the picked-up first chip onto the substrate, a second bonding head at a second side of the stage, the second bonding head to pick up a second chip and to bond the picked-up second chip onto the substrate, and a first image acquisition unit over a movement path of the stage to acquire an image of the stage.Type: ApplicationFiled: December 12, 2017Publication date: June 21, 2018Inventors: Joong-Ha LEE, Sang-Yoon KIM, YoungBum KIM, Hui-Jae KIM, SeungDae SEOK, Jaebong SHIN, Byungjoon LEE, Yongin LEE, Jaeyeon PYO
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Publication number: 20160187760Abstract: A liquid crystal lens film structure can includes a first substrate; a second substrate opposite to the first substrate; an adhesive layer on the second substrate; and a liquid crystal lens film between the first substrate and the adhesive layer. The liquid crystal lens film includes a resin layer configured to include a plurality of concave portions and a plurality of liquid crystal portions configured to each include liquid crystal molecules filled in the respective concave portion. The adhesive layer comes in contact with the liquid crystal lens film.Type: ApplicationFiled: December 28, 2015Publication date: June 30, 2016Applicant: LG DISPLAY CO., LTD.Inventors: Seong-il Kim, Su Seok Choi, Jong Hoon Woo, Joong Ha Lee, Sang Hoon Oh
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Patent number: 9368075Abstract: A method of driving a dual mode liquid crystal display device includes: applying a first horizontal electric field to the liquid crystal layer for a first duration time during a reset period of a memory mode, the first duration time longer than a frame; eliminating the first horizontal electric field and keeping the liquid crystal layer without the first horizontal electric field for a second duration time during the reset period of the memory mode; applying a first vertical electric field corresponding to a static image for a third duration time during a writing period of the memory mode, the third duration time longer than the frame; and eliminating the first vertical electric field and keeping the liquid crystal layer without the first vertical electric field for a fourth duration time during the writing period of the memory mode.Type: GrantFiled: June 19, 2013Date of Patent: June 14, 2016Assignee: LG Display Co., Ltd.Inventors: Joong-Ha Lee, Dong-Guk Kim
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Patent number: 9170445Abstract: Disclosed are a flexible liquid crystal display (LCD) device and a method of manufacturing the same. The flexible LCD device comprises a first flexible substrate and a second flexible substrate. A layer is disposed on the first flexible substrate and first pixel control lines are disposed on the second flexible substrate. The LCD device also includes polymer walls disposed between the first flexible substrate and the second flexible substrate that maintain a cell gap between the first flexible substrate and the second flexible substrate. The polymer walls are substantially aligned with the first pixel control lines and light transparent gaps in the layer disposed on the first flexible substrate.Type: GrantFiled: April 25, 2013Date of Patent: October 27, 2015Assignee: LG Display Co., Ltd.Inventors: Dong Guk Kim, Gee Sung Chae, Dongcheon Shin, Won Bong Jang, Joong Ha Lee, Tae Hyoung Kwak
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Publication number: 20140111746Abstract: Disclosed are a flexible liquid crystal display (LCD) device and a method of manufacturing the same. The flexible LCD device comprises a first flexible substrate and a second flexible substrate. A layer is disposed on the first flexible substrate and first pixel control lines are disposed on the second flexible substrate. The LCD device also includes polymer walls disposed between the first flexible substrate and the second flexible substrate that maintain a cell gap between the first flexible substrate and the second flexible substrate. The polymer walls are substantially aligned with the first pixel control lines and light transparent gaps in the layer disposed on the first flexible substrate.Type: ApplicationFiled: April 25, 2013Publication date: April 24, 2014Applicant: LG Display Co., Ltd.Inventors: Dong Guk KIM, Gee Sung CHAE, Dongcheon SHIN, Won Bong JANG, Joong Ha LEE, Tae Hyoung KWAK
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Patent number: 8659736Abstract: A dual mode LCD device includes first and second substrates facing each other; a first electrode on an inner surface of the first substrate and having a plate shape; a first insulating layer on the first electrode; a second electrode and a third electrode on the first insulating layer, being spaced apart from each other and extending along a first direction; a fourth electrode on an inner surface of the second substrate; and a liquid crystal layer interposed between the first and second substrates and including chiral dopants, wherein liquid crystal molecules of the liquid crystal layer are stably arranged in a first twist state and a second twist state, wherein the first and second twist states are used for a memory mode and the second twist state and a vertical alignment state are used for a dynamic mode.Type: GrantFiled: December 22, 2011Date of Patent: February 25, 2014Assignee: LG Display Co., Ltd.Inventors: Joong-Ha Lee, Wook-Sung Kim, Dong-Guk Kim
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Publication number: 20140009454Abstract: A method of driving a dual mode liquid crystal display device includes: applying a first horizontal electric field to the liquid crystal layer for a first duration time during a reset period of a memory mode, the first duration time longer than a frame; eliminating the first horizontal electric field and keeping the liquid crystal layer without the first horizontal electric field for a second duration time during the reset period of the memory mode; applying a first vertical electric field corresponding to a static image for a third duration time during a writing period of the memory mode, the third duration time longer than the frame; and eliminating the first vertical electric field and keeping the liquid crystal layer without the first vertical electric field for a fourth duration time during the writing period of the memory mode.Type: ApplicationFiled: June 19, 2013Publication date: January 9, 2014Inventors: Joong-Ha LEE, Dong-Guk KIM
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Publication number: 20130319608Abstract: A method of coating an electrolyte layer on a substrate includes forming a hydrophobic layer on an upper surface of the substrate that has a coating area, forming a hydrophilic region having a shape surrounding an outside of the coating area, and forming the electrolyte layer to cover the hydrophobic layer and the hydrophilic region.Type: ApplicationFiled: February 11, 2013Publication date: December 5, 2013Inventors: Il-Sup CHOI, Sin KWON, Sung-Gun LEE, Joong-Ha LEE, Sang-Jin CHOI, Dong-Woo PAENG
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Patent number: 8427616Abstract: A bistable chiral splay nematic mode liquid crystal display device including a first substrate; a first electrode on the first substrate, the first electrode having a plate shape; a first insulating layer covering the first electrode; a second electrode and a third electrode on the first insulating layer along a first direction; a second substrate facing the first substrate; a fourth electrode on the second substrate, the fourth electrode having a plate shape; a second insulating layer covering the fourth electrode; a fifth electrode and a sixth electrode on the second insulating layer along a second direction; and a bistable chiral splay nematic liquid crystal layer between the first substrate and the second substrate.Type: GrantFiled: September 13, 2011Date of Patent: April 23, 2013Assignee: LG Display Co., Ltd.Inventors: Dong-Guk Kim, Wook-Sung Kim, Dong-Jin Kim, Jae-Chang Kim, Joong-Ha Lee
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Publication number: 20120300144Abstract: A dual mode LCD device includes first and second substrates facing each other; a first electrode on an inner surface of the first substrate and having a plate shape; a first insulating layer on the first electrode; a second electrode and a third electrode on the first insulating layer, being spaced apart from each other and extending along a first direction; a fourth electrode on an inner surface of the second substrate; and a liquid crystal layer interposed between the first and second substrates and including chiral dopants, wherein liquid crystal molecules of the liquid crystal layer are stably arranged in a first twist state and a second twist state, wherein the first and second twist states are used for a memory mode and the second twist state and a vertical alignment state are used for a dynamic mode.Type: ApplicationFiled: December 22, 2011Publication date: November 29, 2012Inventors: Joong-Ha LEE, Wook-Sung Kim, Dong-Guk Kim
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Publication number: 20120287100Abstract: Disclosed is a liquid crystal display device increasing transmittance to improve brightness while employing ferroelectric liquid crystals in a half-V mode. The liquid crystal display device includes a liquid crystal panel including ferroelectric liquid crystals of a half-V mode, and a driving circuit driving a liquid crystal panel so that a first frame period, which the positive data voltages are supplied to the liquid crystal panel, becomes longer than a second frame period, which the negative data voltages are supplied to the liquid crystal panel.Type: ApplicationFiled: May 9, 2012Publication date: November 15, 2012Inventors: Jong-Hoon WOO, Su-Seok CHOI, Dong-Guk KIM, Jae-Hyung LIM, Joong-Ha LEE