Patents by Inventor Chung Hee Lee
Chung Hee 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: 11975855Abstract: A propulsion module of an air mobility vehicle may include a door provided in the housing and opening or closing the opening portion of the housing by a sliding motion of the door; a propeller for providing propulsion to the air mobility vehicle; a link assembly having a first end portion connected to the housing and a second end portion connected to the propeller to pull the propeller into the internal space of the housing through the opening portion or pull the propeller outside the internal space through the opening portion; and a door opening and closing portion coupled to the door and configured for providing an opening and closing force to the door according to an inward-pulling motion or an outward-pulling motion of the propeller.Type: GrantFiled: August 20, 2021Date of Patent: May 7, 2024Assignees: Hyundai Motor Company, Kia CorporationInventors: Chung Sik Yim, Yong Hyun Nam, Jae Young Choi, Sang Hyun Jung, Dae Hee Lee, Jae Seung Lee, Kyu Hoon Cho
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Publication number: 20240136208Abstract: A light-emitting element transfer system includes raw film cutting device for forming a transfer member by cutting a raw film, a stretching device for stretching a transfer film with a plurality of light-emitting elements disposed thereon, a circuit board support member for supporting a circuit board and transport head for adsorbing the transfer member and transferring the light-emitting elements on the transfer film onto the circuit board by using the adsorbed transfer member.Type: ApplicationFiled: July 20, 2023Publication date: April 25, 2024Inventors: Jeong Won HAN, Chung Sic CHOI, Won Hee OH, Han Chun RYU, Jae Woo LEE
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Publication number: 20240128797Abstract: Disclosed are a primary coil unit having four coils independently controllable and a pickup coil unit having four coils also independently controllable. The proposed power transfer system and the proposed power pickup system can satisfy standard compatibility and improve the efficiency of wireless power transmission. The power transfer device is compatible with various types of conventional power pickup systems and capable of expanding compatibility with a new power pickup system to be developed in future by changing the power transfer magnetic flux pattern. The power pickup device is compatible with various types of conventional power transfer systems and capable of expanding compatibility with a power transfer system to be developed in future. The system including both the power transfer device and the power pickup device is more robust against a deviation.Type: ApplicationFiled: December 20, 2023Publication date: April 18, 2024Inventors: Dong Ho CHO, Bo Yune SONG, Gu Ho JUNG, Chung Hee LEE, Ja Hyeon LEE, Uoo Yeol YOON
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Publication number: 20240079534Abstract: A display apparatus including a substrate, a first sub-pixel, a second sub-pixel, and a third sub-pixel disposed on the substrate and configured to emit red light, green light, and blue light, respectively, partition walls disposed between the first sub-pixel, the second sub-pixel, and the third sub-pixel, and configured to not transmit light, in which the first sub-pixel, the second sub-pixel, and the third sub-pixel include a first light emitting cell, a second light emitting cell, and a third light emitting cell, respectively, and a height of each of the first, second, and third light emitting cells is lower than a height of the partition walls, and a difference between the height of the partition walls and the height of each of the first, second, and third light emitting cells is less than 100 ?m.Type: ApplicationFiled: November 7, 2023Publication date: March 7, 2024Inventors: Chung Hoon LEE, Sung Su SON, Jong Ik LEE, Jae Hee LIM, Motonobu TAKEYA, Seung Sik HONG
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Publication number: 20240071262Abstract: An electronic price indicator according to an embodiment includes a display displaying product information, an NFC module configured to communicate with a user terminal, a Bluetooth module configured to communicate with the user terminal, and a processor configured to control the display to display the product information received from the user terminal through the Bluetooth module. The processor is further configured to release a sleep mode when receiving an interrupt from the user terminal through the NFC module, and perform Bluetooth communication with the user terminal by initiating a scan for a predetermined period of time to receive an advertising signal from the user terminal.Type: ApplicationFiled: January 20, 2023Publication date: February 29, 2024Inventors: Jae Gun HEO, Chung Hee LEE, Do Sang KWON, Woo Seok HAN, Chan LEE, Ji Hoon KIM, Bo II SEO
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Publication number: 20240033803Abstract: A notching apparatus includes a punch that descends to notch an electrode, a holder having one surface in which a mounting groove is provided, the punch having one end inserted into the mounting groove, and a block inserted into the mounting groove together with the punch. When inserted into the mounting groove, the block presses the punch so that the punch comes into close contact with one of inner surfaces of the mounting groove.Type: ApplicationFiled: May 8, 2020Publication date: February 1, 2024Applicant: LG ENERGY SOLUTION, LTD.Inventors: Sung Chul PARK, Sang Wook KIM, Jeong Woo HONG, Dong Hyeuk PARK, Se Hyun YOON, Chun Ho KWON, Chung Hee LEE, Byung Joo JEONG
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Publication number: 20230369687Abstract: An apparatus for manufacturing a pouch of a secondary battery includes: a lower die, a punch, and a stripper. The punch is inserted into the accommodation groove of the lower die to mold the cup part of the pouch. The stripper presses a peripheral part of the pouch. The bridge part is configured to connect the left accommodation groove and the right accommodation groove to each other. The bridge part includes a pillar portion and a top portion formed as a curve on an upper end of the pillar portion. The height of the top portion is less than ½ of a width of the pillar portion. A pouch of a secondary battery manufactured by the apparatus is also provided.Type: ApplicationFiled: November 3, 2021Publication date: November 16, 2023Applicant: LG Energy Solution, Ltd.Inventors: Chung Hee Lee, Se Young Oh, Geun Hee Kim
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Publication number: 20230344040Abstract: The present invention relates to a pouch for a secondary battery, in which one pouch and the other pouch are formed in a longitudinal direction, the pouch comprising: one accommodation groove and the other accommodation groove, which are formed in one surface of the one pouch and one surface of the other pouch, which correspond to each other, respectively; one reinforcing part formed on the other surface of the one pouch and configured to reinforce strength so that the other surface of the one pouch is not curled or bent in a direction of the one accommodation groove; and the other reinforcing part formed on the other surface of the other pouch and configured to reinforce strength so that the other surface of the other pouch is not curled or bent in a direction of the other accommodation groove.Type: ApplicationFiled: December 10, 2021Publication date: October 26, 2023Applicant: LG Energy Solution, Ltd.Inventors: Jeong Woo Hong, Chung Hee Lee, Sin Young Park, Dong Hyeuk Park
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Publication number: 20230321709Abstract: An apparatus for manufacturing a pouch of a secondary battery according to the present invention includes a lower die having an accommodation groove for molding a cup part of the pouch on a base surface, on which the pouch is disposed, a punch inserted into the accommodation groove of the lower die to mode the cup part of the pouch, a stripper disposed above the lower die to face the lower die and provided to press a peripheral portion of the pouch, which is disposed around a portion to be molded into the cup part of the pouch by the punch, from an upper side, and a back plate coupled to the stripper and configured to support the stripper, wherein a protruding block protruding toward the stripper is provided on a surface (S) of surfaces of the back plate, which faces the stripper.Type: ApplicationFiled: October 22, 2021Publication date: October 12, 2023Applicant: LG Energy Solution, Ltd.Inventors: Chung Hee Lee, Se Young Oh, Geun Hee Kim
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Publication number: 20230327240Abstract: An apparatus for manufacturing a pouch of a secondary battery includes: a lower die, in which an accommodation groove for molding a cup part of the pouch is formed in a base surface, on which the pouch is disposed; a punch inserted into the accommodation groove to mold the cup part of the pouch; and a stripper to press a peripheral portion of the pouch, disposed in the periphery of a portion to be molded into the cup part of the pouch by the punch. The stripper and the lower die press and grip upper and lower portions of a peripheral portion of the pouch, respectively. The punch is inserted into the accommodation groove to mold the cup part, and a friction area, having surface roughness greater than that of the peripheral portion, is formed on a pressing surface of the lower die or the stripper.Type: ApplicationFiled: October 19, 2021Publication date: October 12, 2023Applicant: LG Energy Solution, Ltd.Inventors: Se Young Oh, Geun Hee Kim, Chung Hee Lee, Hyun Beom Kim, Hyung Ho Kwon, Jeong Min Ha
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Publication number: 20230299616Abstract: A wireless power transmission device can include a plurality of transmission coil units, in which each of the plurality of transmission coil units includes a plurality of antenna coils arranged on different three-dimensional planes, and the plurality of antenna coils are configured to generate a magnetic field passing through at least one or more of the different three-dimensional planes to transfer transmission power to a wireless power reception device.Type: ApplicationFiled: August 10, 2020Publication date: September 21, 2023Applicants: LG ELECTRONICS INC., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jungkeun PARK, Gu Ho JUNG, Chung Hee LEE, Ju Yong LEE, Dong Ho CHO, Dang-Oh KIM
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Publication number: 20230282910Abstract: A pouch forming apparatus according to an embodiment of the present disclosure includes a die unit in which a forming groove is formed in a portion where a pouch film is disposed, a partition plate that divides the forming groove into at least two, and a pressing unit that presses the pouch film disposed on the die unit to form an electrode assembly-receiving part, wherein a chamfer part is formed at the lower end of the partition plate.Type: ApplicationFiled: September 2, 2021Publication date: September 7, 2023Applicant: LG Energy Solution, Ltd.Inventors: Sung Chul Park, Sangwook Kim, Sin Young Park, Dong Hyeuk Park, Chung Hee Lee
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Patent number: 11682808Abstract: Provided is a pouch type battery case. The pouch type battery case include a cup part configured to accommodate an electrode assembly, which is formed by stacking electrodes and separators, therein and a plurality of die edges configured to connect an outer wall of the cup part to a side extending from the outer wall. At least one die edge includes a first area formed to be rounded with a first curvature radius and a second area formed to be rounded with a second curvature radius less than the first curvature radius.Type: GrantFiled: October 6, 2021Date of Patent: June 20, 2023Assignee: LG Energy Solution, Ltd.Inventors: Se Young Oh, Chung Hee Lee, Jeong Min Ha, Geun Hee Kim, Hyun Beom Kim, Hyung Ho Kwon
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Publication number: 20230158701Abstract: An electrode cutting device is provided. The electrode cutting device may perform a full-width cutting process and an edge cutting process together to simplify the manufacturing process, thereby significantly improving work efficiency. Particularly, an edge of the electrode is uniformly cut to prevent defects from occurring.Type: ApplicationFiled: July 13, 2021Publication date: May 25, 2023Applicant: LG Energy Solution, Ltd.Inventors: Sung Chul Park, Sang Wook Kim, Chung Hee Lee, Dong Hyeuk Park
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Publication number: 20220285735Abstract: The present invention relates to a method for manufacturing a secondary battery. The method for manufacturing the secondary battery comprises: an electrode preparation step of preparing electrodes, each of which is provided with a coating portion coated with an electrode active material and a non-coating portion that is not coated with the electrode active material; an electrode assembly manufacturing step of alternately stacking the electrodes and separators to manufacture an electrode assembly, wherein the electrodes are stacked so that the non-coating portions overlap each other; a non-coating portion bonding step of bonding the non-coating portions to each other; a display part formation step of forming a display part for setting a cutting point on a surface of the bonded non-coating portion of each of the electrodes; and an electrode tab manufacturing step of cutting the bonded non-coating portion adjacent to the display part to manufacture an electrode tab.Type: ApplicationFiled: May 13, 2020Publication date: September 8, 2022Applicant: LG Energy Solution, Ltd.Inventors: Chung Hee Lee, Ji Soo Park, Dong Hyeuk Park, Se Hyun Yoon, Su Ho Jeon
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Publication number: 20220109203Abstract: Provided is a pouch type battery case. The pouch type battery case include a cup part configured to accommodate an electrode assembly, which is formed by stacking electrodes and separators, therein and a plurality of die edges configured to connect an outer wall of the cup part to a side extending from the outer wall. At least one die edge includes a first area formed to be rounded with a first curvature radius and a second area formed to be rounded with a second curvature radius less than the first curvature radius.Type: ApplicationFiled: October 6, 2021Publication date: April 7, 2022Applicant: LG Energy Solution, Ltd.Inventors: Se Young Oh, Chung Hee Lee, Jeong Min Ha, Geun Hee Kim, Hyun Beom Kim, Hyung Ho Kwon
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Publication number: 20210218283Abstract: Disclosed are a primary coil unit having four coils independently controllable and a pickup coil unit having four coils also independently controllable. The proposed power transfer system and the proposed power pickup system can satisfy standard compatibility and improve the efficiency of wireless power transmission. The power transfer device is compatible with various types of conventional power pickup systems and capable of expanding compatibility with a new power pickup system to be developed in future by changing the power transfer magnetic flux pattern. The power pickup device is compatible with various types of conventional power transfer systems and capable of expanding compatibility with a power transfer system to be developed in future. The system including both the power transfer device and the power pickup device is more robust against a deviation.Type: ApplicationFiled: March 29, 2021Publication date: July 15, 2021Inventors: Dong Ho CHO, Bo Yune SONG, Gu Ho JUNG, Chung Hee LEE, Ja Hyeon LEE, Uoo Yeol YOON
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Patent number: 10691892Abstract: The language analysis method includes collecting an online document, performing coined word filtering on the collected document based on a predetermined coined word extraction pattern and a dictionary to extract a coined word candidate which corresponds to the coined word extraction pattern and is not registered in a coined stop word dictionary, performing morpheme analysis on the extracted coined word candidate to verify a coined word candidate which does not correspond to a predetermined part of speech and is not registered in a pre-stored morpheme dictionary, refining the coined word extraction pattern, based on a result of the verification and updating the verified coined word candidate in the coined stop word dictionary, and updating the verified coined word candidate in the morpheme dictionary, based on the result of the verification.Type: GrantFiled: September 14, 2017Date of Patent: June 23, 2020Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Chung Hee Lee, Hyun Ki Kim, Sang Kyu Park, Kyung Man Bae, Yong Jin Bae, Ji Hyun Wang, Hyung Jik Lee, Soo Jong Lim, Joon Ho Lim, Myung Gil Jang, Mi Ran Choi, Jeong Heo
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Patent number: 10650814Abstract: Provided are an interactive question answering apparatus and method, which improve an unnatural question sentence and prevent the impossibility of a question in a state which does not know additional information, thereby providing a multimodal-based question answering method enabling a person to provide a question like conversing. Also, a question answering service is exposed to potential product purchasers of content such as an image, video, audio, etc., thereby providing an environment available to advertisement market.Type: GrantFiled: October 30, 2017Date of Patent: May 12, 2020Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Ji Hyun Wang, Hyun Ki Kim, Chung Hee Lee, Soo Jong Lim, Mi Ran Choi, Sang Kyu Park, Yong Jin Bae, Hyung Jik Lee, Joon Ho Lim, Myung Gil Jang, Jeong Heo
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Patent number: 10611263Abstract: An embodiment of the present invention relates to a wireless power supply apparatus, which has a power pickup core formed to wrap a corner of a power pickup cable to increase an inductive electromotive force induced in a power pickup unit, has a power feeding unit configured to transfer a magnetic flux by only a power feeding cable without a power feeding core, to reduce the enormous cost for materials required to fabricate the power feeding core and thus enhance the price competitiveness, and reduce the weight and volume thereof and thus simplify the installation thereof, and has the power pickup core configured to include a plurality of power pickup core members, to reduce the weight and volume of the power pickup unit and thus increase the operational efficiency of the vehicle under which the power pickup unit is mounted.Type: GrantFiled: July 8, 2015Date of Patent: April 7, 2020Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Dong-ho Cho, Gu-ho Jung, Bo-yune Song, Seung-yong Shin, Chung-hee Lee