Patents by Inventor Jae-hoon Lee

Jae-hoon 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).

  • Display device
    Patent number: 11574591
    Abstract: A display device includes pixels connected to scan lines, sensing lines, readout lines, and data lines; a scan driver including stages to supply a scan signal and a sensing signal to the scan lines and the sensing lines; a data driver which supplies a data signal to the data lines; a timing controller which divides one frame into an active period including a scan period in which the data signal is supplied to the data lines and a display period in which the pixels emit light in response to the data signal, and a blank period including a sensing period in which electrical characteristics of the pixels are detected and a reset period in which the stages are reset; and a compensator which generates a compensation value for compensating for deterioration of the pixels based on sensing values provided from the readout lines during the sensing period.
    Type: Grant
    Filed: July 20, 2021
    Date of Patent: February 7, 2023
    Inventors: Jae Hoon Lee, Myeong Su Kim, Jae Woo Ryu
  • HIGH STRENGTH STEEL SHEET HAVING EXCELLENT WORKABILITY AND METHOD FOR MANUFACTURING SAME
    Publication number: 20230030694
    Abstract: Provided is a steel sheet and a method for manufacturing the same, the steel sheet, which can be used for automobile parts and the like, having superb bendability, and excellent balance of strength and ductility and of strength and hole expansion ratio.
    Type: Application
    Filed: November 25, 2020
    Publication date: February 2, 2023
    Inventors: Jae-Hoon LEE, Jong-Kweon KIM
  • DISPLAY DEVICE
    Publication number: 20230030225
    Abstract: A display device includes: a display panel including a plurality of pixels; a deterioration compensator that outputs compensation data based on a lifetime value of the plurality of pixels and an input grayscale of input image data; a scan driver that supplies a scan signal to the display panel; and a data driver that supplies a data signal corresponding to the compensation data to the display panel. The deterioration compensator includes a grayscale-current converter that calculates an input current corresponding to the input grayscale.
    Type: Application
    Filed: April 12, 2022
    Publication date: February 2, 2023
    Inventors: Jae Hoon LEE, Kyung Sik JOO, Sang Myeon HAN
  • HIGH STRENGTH STEEL SHEET HAVING EXCELLENT WORKABILITY AND METHOD FOR MANUFACTURING SAME
    Publication number: 20230031278
    Abstract: Provided is a steel sheet which can be used for automobile parts and the like, and relates to a steel sheet having an excellent balance of strength and ductility, an excellent balance of strength and hole expansibility and excellent bending workability, and a method for manufacturing same.
    Type: Application
    Filed: November 25, 2020
    Publication date: February 2, 2023
    Inventors: Jae-Hoon LEE, Young-Roc IM, Eul-Yong CHOI
  • HIGH STRENGTH STEEL SHEET HAVING EXCELLENT WORKABILITY AND METHOD FOR MANUFACTURING SAME
    Publication number: 20230025863
    Abstract: Provided is a steel sheet and a method for manufacturing same, the steel sheet, which can be used for automobile parts and the like, having superb bendability, and excellent balance of strength and ductility and of strength and hole expansion ratio. The steel sheet includes: by wt %, C: 0.25 to 0.75%, Si: 4.0% or less, Mn: 0.9 to 5.0%, Al: 5.0% or less, P: 0.15% or less, S: 0.03% or less, N: 0.03% or less, a balance of Fe, and unavoidable impurities; and as microstructures, ferrite which is a soft structure, and tempered martensite, bainite, and retained austenite which are hard structures.
    Type: Application
    Filed: November 23, 2020
    Publication date: January 26, 2023
    Inventors: Jae-Hoon LEE, Min-Seo KOO, Tae-Oh LEE
  • HIGH STRENGTH STEEL SHEET HAVING EXCELLENT WORKABILITY AND METHOD FOR MANUFACTURING SAME
    Publication number: 20230023692
    Abstract: Provided is a steel sheet and a method for manufacturing same, the steel sheet which can be used for automobile parts and the like, having excellent bending workability, and excellent balance of strength and ductility and of strength and hole expansibility.
    Type: Application
    Filed: November 24, 2020
    Publication date: January 26, 2023
    Inventors: Jae-Hoon LEE, Min-Seo KOO
  • HIGH STRENGTH STEEL SHEET HAVING EXCELLENT WORKABILITY AND METHOD FOR MANUFACTURING SAME
    Publication number: 20230027722
    Abstract: Provided is a steel sheet which can be used for automobile parts and the like, and relates to a steel sheet having an excellent balance of strength and ductility and an excellent balance of strength and hole expansibility, and excellent bending workability, and a method for manufacturing same.
    Type: Application
    Filed: November 25, 2020
    Publication date: January 26, 2023
    Inventors: Jae-Hoon LEE, Tae-Kyo HAN
  • HIGH STRENGTH STEEL SHEET HAVING SUPERIOR WORKABILITY AND METHOD FOR MANUFACTURING SAME
    Publication number: 20230029040
    Abstract: Provided is a steel sheet which can be used for automobile parts and the like, and relates to a steel sheet having a superior balance of strength and ductility and strength and hole expansion ratio and superior bending formability, and a method for manufacturing same.
    Type: Application
    Filed: November 24, 2020
    Publication date: January 26, 2023
    Inventors: Jae-Hoon LEE, Tae-Kyo HAN, Sang-Hwan LEE
  • DISPLAY DEVICE
    Publication number: 20230005419
    Abstract: The present embodiments disclose a display device.
    Type: Application
    Filed: September 12, 2022
    Publication date: January 5, 2023
    Applicant: SAPIEN SEMICONDUCTORS INC.
    Inventors: Jae Hoon Lee, Jun Young Jung
  • DISPLAY DEVICE
    Publication number: 20230005420
    Abstract: The present embodiments disclose a display device.
    Type: Application
    Filed: September 12, 2022
    Publication date: January 5, 2023
    Applicant: SAPIEN SEMICONDUCTORS INC.
    Inventors: Jae Hoon Lee, Jun Young Jung
  • Method and apparatus for customizing natural language processing model
    Patent number: 11544476
    Abstract: A method for model customization according to an embodiment includes providing a user with prediction results of each of a plurality of pre-trained natural language processing models for a document subjected to analysis selected from a document set including a plurality of documents, acquiring user feedback on the prediction results from the user, generating a plurality of augmented documents from at least one of the plurality of documents based on data attributes of each of the plurality of documents and the user feedback; and retraining at least one of the plurality of natural language processing models, using training data including the plurality of augmented documents.
    Type: Grant
    Filed: May 27, 2020
    Date of Patent: January 3, 2023
    Assignee: SAMSUNG SDS CO., LTD.
    Inventors: Na Un Kang, Jae Hoon Lee, Wang Geun Park, Jea Hyun Park
  • Vehicle update system and method
    Patent number: 11544051
    Abstract: A vehicle update system includes a server that determines whether a new version of data is present based on an update version of and a final update-failed version of a vehicle controller, and transmits the new version of the data when the new version of the data is present. An update controller executes an update of the vehicle controller based on the new version of the data received from the server, and determines a processing method of the data according to whether the update of the vehicle controller is successful.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: January 3, 2023
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Hyeok Sang Jeong, Jae Hoon Lee, Yoon Sik Jung, Dong Youl Lee, Myeong Gyu Jeong
  • Server of monitoring water purification apparatus according to voice command and water purification apparatus
    Patent number: 11535536
    Abstract: A server that monitors a water purification apparatus according to a voice command and the water purification apparatus are provided, and according to an embodiment of the present disclosure, the server that monitors the water purification apparatus according to the voice command includes a voice processor that receives the voice command from the water purification apparatus and identifies a user who issues the voice command.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: December 27, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Sang Won Kim, Jae Hoon Lee
  • PIXEL HAVING REDUCED NUMBER OF CONTACT POINTS, AND DIGITAL DRIVING METHOD
    Publication number: 20220406236
    Abstract: Provided are a pixel having two contacting points and an operating method of the pixel. The pixel includes a positive power terminal and a negative power terminal which are related to power required for driving of a pixel driving circuit unit driving a plurality of light-emitting elements, wherein the positive power terminal is connected to a data driving circuit, and the negative power terminal is connected to a scan driving circuit. The pixel may be driven according to a potential difference between a signal output from the data driving circuit and a signal output from the scan driving circuit.
    Type: Application
    Filed: November 12, 2020
    Publication date: December 22, 2022
    Applicant: SAPIEN SEMICONDUCTORS INC.
    Inventors: Jae Hoon LEE, Jin Woong JANG
  • DISPLAY DEVICE
    Publication number: 20220392401
    Abstract: The present embodiments disclose a display device.
    Type: Application
    Filed: August 18, 2022
    Publication date: December 8, 2022
    Applicant: SAPIEN SEMICONDUCTORS INC.
    Inventors: Jae Hoon LEE, Jun Young JUNG
  • SCAN DRIVER
    Publication number: 20220366836
    Abstract: A scan driver includes a plurality of stages. A n-th stage among the plurality of stages includes a first input unit controlling a voltage of a first node in response to a previous carry signal, a scan output unit outputting a current scan signal corresponding to a scan clock signal in response to the voltage of the first node, a first switching unit controlling a voltage of a second node in response to the previous carry signal, a sensing output unit outputting a current sensing signal corresponding to a sensing clock signal in response to the voltage of the second node, a carry output unit outputting a current carry signal corresponding to a carry clock signal in response to the voltage of the second node, and a second switching unit controlling the voltage of the second node in response to the sensing clock signal or the carry clock signal.
    Type: Application
    Filed: February 1, 2022
    Publication date: November 17, 2022
    Inventor: Jae Hoon LEE
  • HIGH-STRENGTH STEEL SHEET AND MANUFACTURING METHOD THEREOF
    Publication number: 20220349019
    Abstract: Provided is a high-strength steel sheet including: 0.12% to less than 0.17% of carbon (C), 0.3% to 0.8% of silicon (Si), 2.5% to 3.0% of manganese (Mn), 0.4% to 1.1% of chromium (Cr), 0.01% to 0.3% of aluminum (Al), 0.01% to 0.03% of niobium (Nb), 0.01% to 0.03% of titanium (Ti), 0.001% to 0.003% of boron (B), 0.04% or less of phosphorus (P), 0.01% or less of sulfur (S): 0.01% or less of nitrogen (N), and a balance of iron (Fe) and inevitable impurities. The contents of C, Si, and Al satisfy: [C]+[Si]+[Al])/5?0.35 wt. A microstructure includes more than 1% to 4% or less of retained austenite, more than 10% to 20% or less of fresh martensite, 5% or less (excluding 0%) of ferrite, more than 50% to 70% or less of tempered martensite, and a balance of bainite.
    Type: Application
    Filed: July 20, 2020
    Publication date: November 3, 2022
    Inventors: Young-Roc IM, Jae-Hoon LEE, Jong-Chan PARK, Jong-Kweon KIM, Il-Hyun KIM, Tae-Kyo HAN, Tae-Oh LEE
  • Pixel driving circuit
    Patent number: 11482165
    Abstract: The present embodiments disclose a pixel driving circuit and a display device including the same. A pixel driving circuit according to an embodiment of the present disclosure includes a first pixel circuit configured to control light-emission and non-emission of the luminous element in response to a control signal applied to each of a plurality of subframes constituting a frame during a light-emitting period and a second pixel circuit storing a bit value of image data in a data writing period and generating the control signal based on the bit value and a clock signal in the light-emitting period.
    Type: Grant
    Filed: December 10, 2021
    Date of Patent: October 25, 2022
    Assignee: SAPIEN SEMICONDUCTORS INC.
    Inventor: Jae Hoon Lee
  • Brightness controllable display apparatus
    Patent number: 11475814
    Abstract: The present specification provides a display apparatus allowing brightness of a display panel to be more finely controlled as compared with the related art. The display apparatus according to the present specification includes a display panel in which a plurality of pixels are arranged in m×n, and K shift register units configured to sequentially output pulse signals having a width adjusted to adjust brightness of the display panel to m horizontal pixel lines, wherein each of the shift register units includes m main flip-flops and m?1 sub-flip-flops connected between the in main flip-flops.
    Type: Grant
    Filed: January 14, 2021
    Date of Patent: October 18, 2022
    Assignee: SAPIEN SEMICONDUCTORS INC.
    Inventors: Jae Hoon Lee, Jin Woong Jang
  • BATTERY ELECTRIC FLOW TEST SYSTEM AND METHOD
    Publication number: 20220326310
    Abstract: An embodiment of the present disclosure operates in response to an output of a user input unit; manages registration, modification, deletion, and display of a set value, a measured value, and a diagnostic value for each test item for the battery; matches the set value for each test item registered by the test item manager with a type of the battery and stores the set value; identifies a phase difference between an input frequency input to the battery and an output frequency corresponding to the input frequency to determine a high-frequency resonant frequency and then calculates an AC impedance corresponding to the determined high-frequency resonant frequency; and compares the calculated AC impedance with an electricity flow upper limit to diagnose that it is normal when the calculated AC impedance is lower than the electricity flow upper limit and diagnose that it is abnormal when it is higher.
    Type: Application
    Filed: April 12, 2021
    Publication date: October 13, 2022
    Inventors: Young Jin HONG, Hee Kyung MYUNG, Jae Hoon LEE, Seong Joon HONG, In Jae HWANG