Patents by Inventor Dae Sung Lee

Dae Sung 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).

  • Publication number: 20230387179
    Abstract: A display apparatus including a circuit board, pixels arranged on the circuit board, and a light blocking material covering one of the pixels, in which at least one of the pixels includes a first light emitting device and a second light emitting device spaced apart from each other, the first light emitting device includes a first LED stack configured to generate light having a first peak wavelength and a first bump pad, the second light emitting device includes a second LED stack configured to generate light having a second peak wavelength and a second bump pad, and the first light emitting device includes a first side surface having a region inclined at a first inclined angle, and the second light emitting device includes a second side surface facing the first side surface and having a region inclined at a second inclined angle different from the first inclined angle.
    Type: Application
    Filed: August 7, 2023
    Publication date: November 30, 2023
    Inventors: Dae Sung CHO, So Ra LEE, Chang Yeon KIM, Jong Min JANG
  • Patent number: 11830979
    Abstract: The electrolyte for a lithium secondary battery comprises: a lithium salt; a solvent; and a functional additive, wherein the functional additive comprises naphthalen-1-yl sulfurofluoridate, represented by the following formula 1:
    Type: Grant
    Filed: June 4, 2021
    Date of Patent: November 28, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Yoon Sung Lee, Ik Kyu Kim, Seung Min Oh, Sung Ho Ban, Sang Mok Park, Ko Eun Kim, Sang Kyu Kwak, Nam Soon Choi, Hyeon Gyu Moon, Seo Young Jeong, Sung You Hong, Dae Yeon Hwang
  • Publication number: 20230368696
    Abstract: The present disclosure relates to a coding test device and a coding test method. The coding test device according to one embodiment includes a problem provider for providing a test problem including an initial condition to a user terminal, a code receiver for receiving first algorithm code corresponding to the initial condition from the user terminal, and an additional condition provider for determining whether a predetermined passing condition for the first algorithm code is satisfied and providing an additional condition related to the initial condition to the user terminal based on the result of determination for the first algorithm code.
    Type: Application
    Filed: May 2, 2023
    Publication date: November 16, 2023
    Applicant: JA-IN Lab. Co., Ltd
    Inventors: Hyung Woo LEE, Dae Seok SHIN, Dae Sung JANG, Seong In KIM, Hyung Woo KIM, Byoung Ho LEE, Hyeon Ho LEE, Hoo Min LEE
  • Patent number: 11802849
    Abstract: Disclosed is a photoionization gas sensor including an ultraviolet generating module having a first substrate, a second substrate, and a third substrate sequentially coupled in a vertical direction, and configured to generate ultraviolet by applying an electric field to a noble gas filling a first cavity, the first cavity formed in a central portion of the second substrate, and a measuring module configured to collect an electrical signal, the electrical signal being generated such that an electric field is applied to a passage, through which gas ionized by ultraviolet passes, so as to allow the ionized gas to come into contact with an electrode, thereby having a small volume and being operated at a low voltage.
    Type: Grant
    Filed: March 31, 2022
    Date of Patent: October 31, 2023
    Assignee: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
    Inventors: Dae Sung Lee, Kwang Bum Park
  • Publication number: 20230343297
    Abstract: A display device includes a display panel which displays an image, and a control circuit board connected to the display panel. The control circuit board includes a controller which analyzes the image in real time and determines in real time a digital-type power voltage based on the image, and a voltage generator which generates an analog-type power voltage based on the digital-type power voltage received from the controller. The voltage generator includes a digital-analog converter which converts the digital-type power voltage into the analog-type power voltage and outputs the analog-type power voltage.
    Type: Application
    Filed: January 20, 2023
    Publication date: October 26, 2023
    Inventors: DAE-SIK LEE, SIDUK SUNG, SONGYI HAN
  • Patent number: 11798974
    Abstract: A display apparatus including a circuit board and a plurality of pixels arranged on the circuit board, in which at least one of the pixels includes a first light emitting device and a second light emitting device spaced apart from each other in a lateral direction, the first light emitting device includes a first LED stack configured to generate light having a first peak wavelength; and the second light emitting device includes a second LED stack configured to generate light having a second peak wavelength, and a third LED stack disposed on the second LED stack and configured to generate light having a third peak wavelength.
    Type: Grant
    Filed: September 23, 2020
    Date of Patent: October 24, 2023
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Dae Sung Cho, So Ra Lee, Chang Yeon Kim, Jong Min Jang
  • Publication number: 20230335145
    Abstract: A signal compression method and apparatus and a signal restoration method and apparatus are provided. The signal compression method includes outputting an input signal, obtained by processing an audio signal, which is input, based on a human auditory perception characteristic, using an auditory perception model, extracting a feature vector from the input signal using a feature extraction module, and outputting a code obtained by compressing the feature vector using a trained signal compression model.
    Type: Application
    Filed: March 7, 2023
    Publication date: October 19, 2023
    Applicants: Electronics and Telecommunications Research Institute, Kyungpook National University Industry-Academic Cooperation Foundation
    Inventors: Woo-taek LIM, Seung Kwon BEACK, Jongmo SUNG, Tae Jin LEE, Inseon JANG, Min Han KIM, Seung Hyeon SHIN, Dae Ho LEE, Seok Jin LEE
  • Patent number: 11790085
    Abstract: Disclosed herein are an apparatus for detecting unknown malware using a variable-length operation code (opcode) and a method using the apparatus. The method includes collecting opcode information from a detection target, generating a multi-pixel image having a variable length by performing feature engineering on the opcode information; and detecting unknown malware by inputting the multi-pixel image to a deep-learning model based on AI.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: October 17, 2023
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jung-Tae Kim, Ji-Hyeon Song, Jong-Hyun Kim, Sang-Min Lee, Ik-Kyun Kim, Dae-Sung Moon
  • Patent number: 11793070
    Abstract: Provided is a novel compound capable of improving the luminous efficiency, stability and life span of a device, an organic electric element using the same, and an electronic device thereof.
    Type: Grant
    Filed: July 7, 2016
    Date of Patent: October 17, 2023
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Yun Suk Lee, Sun Hee Lee, Ki Ho So, Dae Hwan Oh, Hyoung Keun Park, Hye Min Cho, Jong Gwang Park, Ga Eun Lee, Yeon Seok Jeong, Dae Sung Kim, Seong Je Park
  • Patent number: 11776987
    Abstract: A display apparatus includes a display substrate, first micro LED modules arranged on the display substrate, and at least one second micro LED module disposed between the first micro LED modules. Each of the first micro LED modules includes a first substrate and micro LEDs disposed on the first substrate. The second micro LED module includes a second substrate and micro LEDs disposed on the second substrate. The second substrate bridges two adjacent first substrates.
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: October 3, 2023
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Dae Sung Cho, So Ra Lee
  • Publication number: 20230301180
    Abstract: Embodiments of the present invention relate to: an organic material for an organic electric element, which can improve the driving voltage, luminous efficiency, and service life characteristics of the organic electric element; a method for producing the organic material for an organic electric element; and an organic electric element using same.
    Type: Application
    Filed: July 5, 2021
    Publication date: September 21, 2023
    Inventors: Dae Ho SONG, Jong Gwang PARK, Bum Sung LEE, Jung Hwan PARK, Soung Yun MUN, Yun Suk LEE, Sun Pil HWANG, Joon Seok OH
  • Patent number: 11741725
    Abstract: An apparatus for recognizing a driving lane based on multiple sensors is provided. The apparatus includes a first sensor configured to calculate road information, a second sensor configured to calculate moving obstacle information, a third sensor configured to calculate movement information of a vehicle, and a controller configured to remove the moving obstacle information from the road information to extract only road boundary data, accumulate the road boundary data to calculate a plurality of candidate location information on the vehicle based on the movement information, and select final candidate location information from the plurality of candidate location information.
    Type: Grant
    Filed: June 10, 2021
    Date of Patent: August 29, 2023
    Assignees: Hyundai Motor Company, Kia Corporation, Korea National University of Transportation Industry-Academic Cooperation Foundation
    Inventors: Dae-Sung Hwang, Jun-Ho Park, Jae-Kyu Suhr, Youn-Joo Lee, Ho-Gi Jung
  • Patent number: 11742521
    Abstract: The electrolyte solution for a lithium secondary battery includes: a lithium salt; a solvent; and an anode additive including 5-(4-cyanophenyl)-1-(4-fluorobenzyl)-1H-1,2,3-triazole-4-carbonitrile represented by Chemical Formula 1 below:
    Type: Grant
    Filed: June 3, 2021
    Date of Patent: August 29, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Yoon Sung Lee, Seung Min Oh, Sung Ho Ban, Ko Eun Kim, Jun Ki Rhee, Woo Young Jin, Sang Kyu Kwak, Nam Soon Choi, Sung You Hong, Woo Gyum Kim, Dae Yeon Hwang, Hyeon Gyu Moon
  • Patent number: 11713291
    Abstract: Provided are an organic electric element comprising as a phosphorescent host material, a mixture of the compounds of Formula (1) and Formula (2), and an organic electronic device or apparatus thereof for achieving a high luminous efficiency, a low driving voltage, and an improved lifespan.
    Type: Grant
    Filed: November 12, 2021
    Date of Patent: August 1, 2023
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Mun Jae Lee, Soung Yun Mun, Jae Taek Kwon, Dae Sung Kim, Moo Jin Park, Chi Hyun Park, Sun Hee Lee, Hyun Ju Song, Bum Sung Lee
  • Publication number: 20230234526
    Abstract: A device for detecting a rear collision of a vehicle, the device including a first sensor unit that is disposed on one side of a back of the vehicle and detects a target vehicle positioned behind the vehicle to generate first sensing data, a second sensor unit that is disposed on the other side of the back of the vehicle and detects the target vehicle to generate second sensing data, an ultrasonic sensor that is mounted on the back of the vehicle, and detects a proximity of the target vehicle to generate third sensing data, and a controller that determines a relative speed and a relative distance with the target vehicle using the first sensing data and the second sensing data, determines the proximity of the target vehicle using the third sensing data, and determines an output of a command of unfolding an airbag outwardly mounted on the back of the vehicle and an output of a command of controlling a vehicle headrest.
    Type: Application
    Filed: December 16, 2022
    Publication date: July 27, 2023
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Nam Wook KIM, Dae Sung LEE, Ji Young YOON
  • Publication number: 20230231283
    Abstract: A secondary battery includes an electrode assembly including a current collection tab protruding to one side; a case including a main body having an accommodating part accommodating the electrode assembly, and a cover covering the main body; and an electrode lead electrically connected to the current collection tab and drawn out of the case, wherein the current collection tab is bent twice, and a length of the current collection tab is twice a thickness of the electrode assembly.
    Type: Application
    Filed: January 11, 2023
    Publication date: July 20, 2023
    Inventors: Mi Sun LEE, Dae Sung RO, Dong Hui KIM
  • Publication number: 20230220035
    Abstract: A novel long-acting acylated oxyntomodulin peptide analogue having dual agonism on GLP-1 and glucagon receptors (dual GLP-1R/GlucagonR agonism) and a pharmaceutical composition including the same are disclosed. The novel long-acting acylated oxyntomodulin peptide analogue and the composition are useful for the prevention and treatment of obesity and overweight, or non-insulin-dependent diabetes accompanied by obesity and overweight. The acylated oxyntomodulin peptide analog has dual agonism for GLP-1/glucagon receptors and has an excellent increased in vivo half-life, and the pharmaceutical composition containing the same is useful for the treatment of metabolic diseases such as obesity and diabetes.
    Type: Application
    Filed: April 15, 2021
    Publication date: July 13, 2023
    Applicant: DONG-A ST CO., LTD.
    Inventors: Jae-Sung YANG, Kyung-Seok LEE, Yu-Na CHAE, Tae-Hyoung KIM, Ill-Hun JUNG, Chae-Lim RYU, Dae-Young LEE
  • Publication number: 20230221271
    Abstract: An embodiment catalytic combustion type hydrogen sensor includes a protective thin film disposed on an upper surface of a silicon substrate, the protective thin film including an oxide film and a nitride film sequentially laminated, a heater coupled to an upper surface of the nitride film, an anti-icing film disposed on an upper surface of the protective thin film and covering the heater, the anti-icing film including micro-protrusions disposed on an outer surface thereof, and a catalyst layer deposited on an upper surface of the anti-icing film and coated along surfaces of the micro-protrusions of the anti-icing film, wherein the catalyst layer is configured to be heated by the heater to perform a hydrogen reaction for oxidizing hydrogen and to coat the surfaces of the micro-protrusions to prevent water generated through the hydrogen reaction from freezing.
    Type: Application
    Filed: August 3, 2022
    Publication date: July 13, 2023
    Inventors: Dae Sung Kwon, Il Seon Yoo, Jang Hyeon Lee, Dong Gu Kim, Hyun Soo Kim
  • Publication number: 20230211612
    Abstract: Provided are an apparatus for providing a substrate processing liquid having an optimal structure in the correlation between securing internal agitation fluidity and recovery of sloshing, and a substrate processing system including the same. The apparatus for providing substrate processing liquid comprises a storage tank for storing substrate processing liquid, and a partition wall installed inside the storage tank and for dividing an internal space of the storage tank, wherein the apparatus is connected to a substrate processing apparatus for discharging the substrate processing liquid onto a substrate to provide the substrate processing liquid to the substrate processing apparatus, wherein the partition wall includes a plurality of holes formed passing through one surface and the other surface.
    Type: Application
    Filed: December 29, 2022
    Publication date: July 6, 2023
    Inventors: Dai Geon YOON, Soo Hong LEE, Dong Hwa LEE, Ji Hyeon KIM, Sang Hwa LEE, Dae Sung KIM
  • Publication number: 20230215375
    Abstract: The present disclosure provides a display device including a display panel and a scan signal generator configured to generate a (1-1)th scan signal and a (1-2)th scan signal to be supplied to a first horizontal line of the display panel and a (2-1)th scan signal and a (2-2)th scan signal to be supplied to a second horizontal line of the display panel, wherein the scan signal generator includes a switch circuit, and an output circuit.
    Type: Application
    Filed: November 10, 2022
    Publication date: July 6, 2023
    Inventors: Jae Young Lee, Dae Sung Jung, Sung Woo Lee