Patents by Inventor Ji Myeong Lee
Ji Myeong 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: 20240193813Abstract: A distortion calibration device includes an image acquisition unit which acquires a plurality of test images generated by capturing an image, which is displayed on a display panel, for each channel of the multi-channel lens by a camera and a plurality of reference images generated for each channel with respect to the multi-channel lens and the display panel, and a mapping data generator which acquires an error per channel between the plurality of test images and the plurality of reference images with respect to each channel and generates calibration data for compensating the error per channel to generate calibration mapping data based on reference mapping data and the calibration data.Type: ApplicationFiled: November 13, 2023Publication date: June 13, 2024Inventors: Cheon Myeong LEE, Sang Ho KIM, Soo Min BAEK, Ju Youn SON, Ji Won LEE, Bek Hyun LIM, Ju Hwa HA
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Publication number: 20240179541Abstract: A method of a first communication node may comprise: transmitting, to a second communication node, an initiation signal indicating to initiate a collection procedure of training data for a neural network; transmitting, to the second communication node, an information signal including network parameters of the first communication node; receiving, from the second communication node, the training data in response to the information signal; training the neural network using the training data; determining optimal network parameters using the trained neural network; and performing communication with the second communication node using the optimal network parameters.Type: ApplicationFiled: November 29, 2023Publication date: May 30, 2024Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Ji Eun YU, Kwang Myeong YANG, Kyu Yeon LEE, Cha Hyeon EOM, Hyung Je LEE, Chung Yong LEE, Duk Hyun YOU, Hoon Dong NOH
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Publication number: 20240169871Abstract: A display device includes a substrate including a display area and a non-display area disposed near the display area, a plurality of pixels disposed in the display area, a plurality of signal lines disposed on the substrate and connected to the pixels, and a pad portion disposed in the non-display area and including a plurality of pads. The signal lines include a first crack detecting line connected to a first test voltage pad and a first pad at a first node, connected to a second pad at a second node, and extending around the non-display area between the first node and the second node, as well as a first data line including a first end connected to a first transistor connected to the first crack detecting line at the second node, and a second end connected to corresponding pixels from among the plurality of pixels.Type: ApplicationFiled: January 22, 2024Publication date: May 23, 2024Applicant: Samsung Display Co., LTD.Inventors: Kwang Sae LEE, Ji-Hyun KA, Won Kyu KWAK, Hwa Young SONG, Ki Myeong EOM
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Publication number: 20240168694Abstract: A display device and a wearable device. The display device may include at least one display panel comprising multiple subsidiary display panels, wherein images output from the subsidiary panels are extended to one another to form a single screen image and at least one multi-channel lens including multiple subsidiary lenses to provide multiple channels for light incident onto the subsidiary lenses, respectively, wherein the subsidiary display panels are associated with the subsidiary lenses, respectively, and the subsidiary display panels are inclined at a first angle from a reference plane so that their front surfaces face the respective subsidiary lenses.Type: ApplicationFiled: September 11, 2023Publication date: May 23, 2024Applicant: Samsung Display Co., LTD.Inventors: Sang Ho KIM, Soo Min BAEK, Ju Youn SON, Ji Won LEE, Cheon Myeong LEE, Bek Hyun LIM, Ju Hwa HA
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Publication number: 20240158669Abstract: Provided are: an optical laminate comprising a second adhesive layer, a second adhesive layer laminated on the second adhesive layer, and a light shield part laminated between the first adhesive layer and the second adhesive layer; an optical member comprising same; and an optical display device including same.Type: ApplicationFiled: February 24, 2022Publication date: May 16, 2024Inventors: Ji Ho KIM, Sung Hyun MUN, Kyoung Gon PARK, Jin Young LEE, Jae Hyun HAN, Il Jin KIM, Dong Myeong SHIN
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Patent number: 11949746Abstract: Provided are an IoT device and an IoT communication method. The IoT device may: be connected to a server via NAT; execute a first session for service connection; and execute a second session for calculating a particular keep-alive value corresponding to a period in which an IP address mapped by the NAT expires. The present invention can minimize transmission of a keep-alive value of an IoT device, enables an IoT device to share a particular keep-alive value with other IoT devices, and thus can minimize a network load which may be caused by a keep-alive value of an IoT communication device.Type: GrantFiled: November 20, 2019Date of Patent: April 2, 2024Assignee: KOREA ELECTRONICS TECHNOLOGY INSTITUTEInventors: Seong Yun Kim, Seung Myeong Jeong, Ji Ho Lee
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Publication number: 20240107143Abstract: A display device includes a display portion including a first surface, from which light is emitted in a first direction, and a second surface opposite to the first surface, a first optical portion disposed on the first surface, and a second optical portion disposed on the first surface to be spaced apart from the first optical portion in a second direction crossing the first direction. Each of the first and second optical portions includes a multi-channel lens through which the light from the first surface passes, a first infrared light source, a first camera, and a first lens frame coupled to the multi-channel lens in the first direction to support at least a portion of the multi-channel lens. The first lens frame may include a first recess structure in which the first infrared light source is disposed and a second recess structure in which the first camera is disposed.Type: ApplicationFiled: July 20, 2023Publication date: March 28, 2024Inventors: Ji Won LEE, Sang Ho KIM, Soo Min BAEK, Ju Youn SON, Cheon Myeong LEE, Bek Hyun LIM, Ju Hwa HA
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Patent number: 11928994Abstract: A display device includes a substrate including a display area and a non-display area disposed near the display area, a plurality of pixels disposed in the display area, a plurality of signal lines disposed on the substrate and connected to the pixels, and a pad portion disposed in the non-display area and including a plurality of pads. The signal lines include a first crack detecting line connected to a first test voltage pad and a first pad at a first node, connected to a second pad at a second node, and extending around the non-display area between the first node and the second node, as well as a first data line including a first end connected to a first transistor connected to the first crack detecting line at the second node, and a second end connected to corresponding pixels from among the plurality of pixels.Type: GrantFiled: June 4, 2019Date of Patent: March 12, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kwang Sae Lee, Ji-Hyun Ka, Won Kyu Kwak, Hwa Young Song, Ki Myeong Eom
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Publication number: 20230087087Abstract: The present disclosure provides a biodegradable super absorbent polymer including a crosslinked polymer of a monomer including a modified polysaccharide having a maleic acid group (—OCOCH?CHCOOH) and a sulfosuccinic acid group (—OCOCH(SO3H)CH2COOH), which exhibits excellent biodegradability without deterioration in physical properties of the super absorbent polymer such as centrifuge retention capacity and absorbency under pressure, and a method for producing the same.Type: ApplicationFiled: September 17, 2021Publication date: March 23, 2023Applicant: LG Chem, Ltd.Inventors: Hyungsam Choi, Haesung Yun, Kyungrok Ham, Beomshin Cho, Donghwan Lee, Ji Myeong Lee, Seonjung Jung, Soonhee Kang
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Patent number: 9926448Abstract: Provided are an asphalt modifier comprising a vinyl aromatic hydrocarbon-conjugated diene block copolymer of Formula 1 and an asphalt composition comprising the asphalt modifier. (A-B-C)n-D??[Formula 1] (where A, B, C, D, and n are the same as defined in the specification) The asphalt modifier comprising the vinyl aromatic hydrocarbon-conjugated diene block copolymer of Formula 1 may improve low-temperature and high-temperature physical properties when used in the asphalt composition, and since the asphalt modifier may also reduce dissolution time by increasing a dissolution rate, storage stability of the asphalt composition may be improved.Type: GrantFiled: July 3, 2015Date of Patent: March 27, 2018Assignee: LG Chem, Ltd.Inventors: You Seok Seo, Ji Myeong Lee, Tae Jung Kim, Chun Hwa Lee
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Publication number: 20160326371Abstract: Provided are an asphalt modifier comprising a vinyl aromatic hydrocarbon-conjugated diene block copolymer of Formula 1 and an asphalt composition comprising the asphalt modifier. (A-B-C)n-D??[Formula 1] (where A, B, C, D, and n are the same as defined in the specification) The asphalt modifier comprising the vinyl aromatic hydrocarbon-conjugated diene block copolymer of Formula 1 may improve low-temperature and high-temperature physical properties when used in the asphalt composition, and since the asphalt modifier may also reduce dissolution time by increasing a dissolution rate, storage stability of the asphalt composition may be improved.Type: ApplicationFiled: July 3, 2015Publication date: November 10, 2016Applicant: LG Chem, Ltd.Inventors: You Seok Seo, Ji Myeong Lee, Tae Jung Kim, Chun Hwa Lee