Patents by Inventor Hak Su Kim

Hak Su Kim 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: 20250122601
    Abstract: A cam ring and plate module for vehicle vacuum pumps in which, when an oxide layer formed through steam treatment comes into contact with a carbon or graphite material, a uniform carbon layer is stacked on the oxide layer so as to improve corrosion resistance, wear resistance, hardness and seal resistance.
    Type: Application
    Filed: January 25, 2024
    Publication date: April 17, 2025
    Inventors: Hak Soo Kim, Go Woon Jung, Jin Hyeon Lee, Seung Yong Shin, Seung Woo Lee, O Su Jang
  • Publication number: 20250102292
    Abstract: A thickness measurement device includes: a terahertz wave emitter emitting terahertz waves toward an edge of the second layer; a terahertz wave detector detecting, with reference to a reflected location of the terahertz waves, a first terahertz wave (R1) reflected from a surface of the second layer, a second terahertz wave (R2) reflected from an exposed surface of the first layer, and a third terahertz wave (R3) reflected from an interface between the first layer and the second layer; and a calculator calculating an index of refraction of the second layer based on a detection time difference (?t1) between a detection time of the first terahertz wave (R1) and a detection time of the second terahertz wave (R2) and a detection time difference (?t2) between the detection time of the first terahertz wave (R1) and a detection time of the third terahertz wave (R3).
    Type: Application
    Filed: January 25, 2023
    Publication date: March 27, 2025
    Applicant: ACTRO CO., LTD
    Inventors: Hak Sung KIM, Dong Woon PARK, Heon Su KIM, Sang Il KIM
  • Publication number: 20250102760
    Abstract: A laser device includes a laser source which emits a laser beam, a scanner located on a path of the laser beam emitted from the laser source to control the path of the laser beam, a lens module located on a path of a controlled laser beam to converge the laser beam, and a lens adaptor connecting the lens module to the scanner. The lens module includes a first lens part which accommodates a first lens, a second lens part which accommodates a second lens, and a connecting part located between the first lens part and the second lens part, where the connecting part has a longest diameter greater than a longest diameter of the first lens part and a longest diameter of the second lens part.
    Type: Application
    Filed: September 6, 2024
    Publication date: March 27, 2025
    Inventors: EUN SU JUN, HAK-MIN KIM, HYOUNG-JOO KIM, YONG GEUN LEE, JONG-HEE LIM, ILYOUNG JEONG
  • Patent number: 12260477
    Abstract: Provided is a method for automatically generating a banner image for a promotion, performed by a computing device comprising a processor and a memory. The method comprises the steps of: acquiring information about any concept classification to which a product or service to be promoted corresponds from among a plurality of predefined concept classifications; determining a setting value for a foundation that is a minimum unit constituting the design of a banner image, on the basis of the concept classification to which the product or service to be promoted belongs; determining at least one component included in the banner image, on the basis of the setting value for the foundation; and generating at least one banner template including component arrangement information that is information about the location and size of which of the at least one component.
    Type: Grant
    Filed: March 15, 2021
    Date of Patent: March 25, 2025
    Assignee: CAFE24 CORP.
    Inventors: Hak Su Jeong, Cheol Ho Jeong, Mu Ung Yeom, Hee Won Park, Lan You, Jeong Mi Lim, Sung Bae Kim
  • Patent number: 12234388
    Abstract: The present invention relates to a protective film and a polarizing plate comprising the same, and provides a protective film capable of minimizing the amount of static electricity that can be generated upon peeling the protective film.
    Type: Grant
    Filed: March 13, 2017
    Date of Patent: February 25, 2025
    Assignee: LG Chem, Ltd.
    Inventors: Byung Su Park, Hui Je Lee, Hak Lim Kim, Yoon Kyung Kwon, Dong Kyu Kim, Hoon Jung
  • Publication number: 20250061827
    Abstract: A method of generating compensating data for a pixel circuit differences in a display device includes displaying a test image of pixels of the display device; generating a first camera image by photographing the test image; applying a test input signal to each of the pixels and sensing corresponding test outputs, wherein the test input signal is at least one of a test current and a test voltage; generating weights for the pixels based on the test outputs; generating a second camera image by applying the weights to the first camera image; and generating compensation data for the pixels based on the second camera image.
    Type: Application
    Filed: June 3, 2024
    Publication date: February 20, 2025
    Inventors: Hak Mo CHOI, Se Yun KIM, Hyung Woo YIM, Hui Su KIM, Seung Ho PARK
  • Publication number: 20250027182
    Abstract: The present invention relates to: a hot rolled steel sheet for ground reinforcement and a steel pipe for ground reinforcement, which have excellent strength and formability; and manufacturing methods thereof. An aspect of the present disclosure is to provide a hot-rolled steel sheet for ground reinforcement and a steel pipe for ground reinforcement, having excellent strength and formability, and manufacturing methods thereof.
    Type: Application
    Filed: December 2, 2022
    Publication date: January 23, 2025
    Applicant: POSCO CO., LTD
    Inventors: Yun-Ik KWON, Hak-Jun KIM, Kyong-Su PARK, Seok-Jong SEO
  • Patent number: 11832748
    Abstract: The present invention discloses a PET-coated wire for a hanger wherein the wire is coated with PET to form a PET coating having a thickness of 0.03 to 0.05 mm, and a hanger made of the wire. The PET coating apparatus for a wire used for a hanger of the present invention comprises a preheating device 20 for preheating the cleaned wire 10 to 220 to 250° C., an extruder 30 and a dice 40 for coating the preheated wire 10 with PET to form a PET coating having a thickness of 0.03 to 0.05 mm, a cooling bath 50 for cooling the PET-coated wire 100, and a winding device 60 for drawing out and winding the cooled wire. The cooling bath 50 of the present invention is designed such that the wire passes through the cooling bath 50 having a length of 5 m three times for sufficient cooling when the wire proceeds at a high speed of 220 to 300 m/min.
    Type: Grant
    Filed: December 4, 2020
    Date of Patent: December 5, 2023
    Inventor: Hak Su Kim
  • Publication number: 20220142387
    Abstract: The present invention discloses a PET-coated wire for a hanger wherein the wire is coated with PET to form a PET coating having a thickness of 0.03 to 0.05 mm, and a hanger made of the wire. The PET coating apparatus for a wire used for a hanger of the present invention comprises a preheating device 20 for preheating the cleaned wire 10 to 220 to 250° C., an extruder 30 and a dice 40 for coating the preheated wire 10 with PET to form a PET coating having a thickness of 0.03 to 0.05 mm, a cooling bath 50 for cooling the PET-coated wire 100, and a winding device 60 for drawing out and winding the cooled wire. The cooling bath 50 of the present invention is designed such that the wire passes through the cooling bath 50 having a length of 5 m three times for sufficient cooling when the wire proceeds at a high speed of 220 to 300 m/min.
    Type: Application
    Filed: December 4, 2020
    Publication date: May 12, 2022
    Inventor: Hak Su KIM
  • Patent number: 10303275
    Abstract: A touch display device includes a touch display panel for displaying an image corresponding to a touch applied from outside the touch display device, a gate driver for sequentially driving all gate lines of the touch display panel once during a unit field period including at least two continuous field periods, in such a manner that a total gate driving period corresponding to a sum of individual gate driving periods of all gate lines is shorter than the unit field period, and a touch control unit for defining periods of the unit field period other than the total gate driving period, as a touch sensing period, and performing an operation for sensing a touch on the touch display panel during the touch sensing period.
    Type: Grant
    Filed: September 9, 2014
    Date of Patent: May 28, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Dae-Seok Oh, Ju-Young Lee, Bo-Gun Seo, Hak-Su Kim, Yong-Hwa Park
  • Patent number: 9865210
    Abstract: A display device according to an embodiment includes switches. Low and high voltages of a selection control signal applied to each of gate electrodes of the switches are varied according to whether one of positive and negative data voltages is applied to each of the source electrodes of the switches. As such, the swing width of the selection control signal can be maintained regardless of the positive and negative data voltages. In accordance therewith, undesired power consumption can be prevented.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: January 9, 2018
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Woo Seock Lee, Ho Seop Shin, Hak Su Kim, Joon Shik Yoon, Se Don Kim
  • Patent number: 9530353
    Abstract: An organic electroluminescent display device includes an organic electroluminescent diode receiving a driving voltage and a first ground voltage; first and second driving thin film transistors for providing a driving current to the organic electroluminescent diode; a first switching thin film transistor receiving a data voltage and switched by an nth scan signal; a second switching thin film transistor switched by a current providing signal; a third switching thin film transistor receiving a second ground voltage and switched by a selection signal; a fourth switching thin film transistor disposed among an output terminal of the second switching thin film transistor; and a first capacitor disposed among the output terminal of the first switching thin film transistor, the gate terminal of the first driving thin film transistor and the gate terminal of the second driving thin film transistor.
    Type: Grant
    Filed: August 28, 2013
    Date of Patent: December 27, 2016
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Seung-Tae Kim, Han-Jin Bae, Ho-Min Lim, Won-Kyu Ha, Hak-Su Kim
  • Patent number: 9454236
    Abstract: Provided are a three-dimensional mouse device using several body parts, and a marionette control system using the same. The three-dimensional mouse device includes: a support member that is worn on at least one of a head, a face, an arm, and a foot among body parts; an action recognition module that is mounted on the support member; and an action recognition module that is attached to the support member to sense a motion of the body parts and output a sensing signal to the action recognition module.
    Type: Grant
    Filed: January 20, 2015
    Date of Patent: September 27, 2016
    Assignee: Hoseo University Academic Cooperation Foundation
    Inventors: Keun Ho Rew, Kyeong Min Cheon, Seok Bum Lee, Hak Su Kim, Dong Hyun Kim
  • Publication number: 20160202765
    Abstract: Provided are a three-dimensional mouse device using several body parts, and a marionette control system using the same. The three-dimensional mouse device includes: a support member that is worn on at least one of a head, a face, an arm, and a foot among body parts; an action recognition module that is mounted on the support member; and an action recognition module that is attached to the support member to sense a motion of the body parts and output a sensing signal to the action recognition module.
    Type: Application
    Filed: January 20, 2015
    Publication date: July 14, 2016
    Inventors: Keun Ho REW, Kyeong Min CHEON, Seok Bum LEE, Hak Su KIM, Dong Hyun KIM
  • Publication number: 20160180791
    Abstract: A display device according to an embodiment includes switches. Low and high voltages of a selection control signal applied to each of gate electrodes of the switches are varied according to whether one of positive and negative data voltages is applied to each of the source electrodes of the switches. As such, the swing width of the selection control signal can be maintained regardless of the positive and negative data voltages. In accordance therewith, undesired power consumption can be prevented.
    Type: Application
    Filed: December 17, 2015
    Publication date: June 23, 2016
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Woo Seock LEE, Ho Seop SHIN, Hak Su KIM, Joon Shik YOON, Se Don KIM
  • Patent number: 9361848
    Abstract: Discussed are an apparatus and method for driving a liquid crystal display device, whereby the apparatus includes a data driver for driving data lines of a liquid crystal panel, setting detectable temperatures for different temperature detection time points, detecting an ambient temperature at each temperature detection time point, and outputting a gate drive voltage variation signal and a common voltage variation signal in accordance with the set and detected temperatures at each temperature detection time point, and a power supplier for varying levels of a gate drive voltage and a common voltage in accordance with the gate drive voltage variation signal and the common voltage variation signal, and supplying the gate drive voltage and common voltage to a gate driver and the liquid crystal panel, respectively.
    Type: Grant
    Filed: October 30, 2013
    Date of Patent: June 7, 2016
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Zong-Gun Oh, Hak-Su Kim
  • Patent number: 9240139
    Abstract: An organic electroluminescent display device includes a plurality of pixels, each one of the plurality of pixels including: a switching transistor that is connected to a gate line and a data line; a driving transistor, wherein a data voltage of the data line passing through the switching transistor is reflected into a gate of the driving transistor; a sampling transistor that samples a threshold voltage of the driving transistor, wherein a gate of the sampling transistor is connected to a control line, and the sampled threshold voltage is reflected into the gate of the driving transistor; an initializing transistor, wherein a gate of the initializing transistor is connected to a previous or next gate line, and an initialization voltage passing through the initializing transistor is reflected into the gate of the driving transistor; and an organic light emitting diode that is connected to the driving transistor, wherein a driving current of the organic light emitting diode is adjusted according to a voltage of
    Type: Grant
    Filed: November 16, 2009
    Date of Patent: January 19, 2016
    Assignee: LG Display Co., Ltd.
    Inventors: Hak-Su Kim, Sang-Ho Yu, Won-Kyu Ha
  • Patent number: 9224328
    Abstract: A method for controlling an organic electro luminescence display device, the device including a display panel including a plurality of data lines that cross a plurality of scan lines, and including electro luminescence elements arranged at intersections of the plurality of data lines and the plurality of scan lines; a pre-charge driver configured to select one of a plurality of pre-charge current levels in accordance with a gray level of incoming data, and supply a pre-charge current, corresponding to the selected one of the plurality of pre-charge current levels, to the electro luminescence elements via the plurality of data lines prior to supplying a data current, corresponding to the incoming data, to the electro luminescence elements, so as to pre-charge the electro luminescence elements; and a data driver configured to subsequently supply the data current to the pre-charged electro luminescence elements via the plurality of data lines.
    Type: Grant
    Filed: May 31, 2005
    Date of Patent: December 29, 2015
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Hak Su Kim, Jae Do Lee, Won Kyu Ha
  • Patent number: 9001018
    Abstract: A liquid crystal display wherein power consumption of a gate drive circuit is reduced and a method of driving the same are disclosed. The liquid crystal display includes a liquid crystal panel having pixel regions defined by intersection of a plurality of gate lines and a plurality of data lines, a timing controller to output a clock pulse selectively having a first voltage level, second voltage level and third voltage level of different voltage levels and a data control signal, a gate drive unit to drive the gate lines in response to the clock pulse, and a data drive unit to drive the data lines in response to the data control signal.
    Type: Grant
    Filed: July 19, 2011
    Date of Patent: April 7, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: Hak-Su Kim, Mi-Kyung Kim
  • Publication number: 20150091826
    Abstract: A touch display device includes a touch display panel for displaying an image corresponding to a touch applied from outside the touch display device, a gate driver for sequentially driving all gate lines of the touch display panel once during a unit field period including at least two continuous field periods, in such a manner that a total gate driving period corresponding to a sum of individual gate driving periods of all gate lines is shorter than the unit field period, and a touch control unit for defining periods of the unit field period other than the total gate driving period, as a touch sensing period, and performing an operation for sensing a touch on the touch display panel during the touch sensing period.
    Type: Application
    Filed: September 9, 2014
    Publication date: April 2, 2015
    Applicant: LG Display Co., Ltd.
    Inventors: Dae-Seok Oh, Ju-Young Lee, Bo-Gun Seo, Hak-Su Kim, Yong-Hwa Park