Patents by Inventor Chang-Jun Kim

Chang-Jun 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: 20240177975
    Abstract: A cooling plate and a plasma processing chamber are proposed. The cooling plate is configured to allow air to flow throughout the entire region of a window while reducing a region of covering the window. The cooling plate is configured to cool a window configured to seal a plasma processing space at an upper portion, and the cooling plate includes a body having a circular plate shape covering a part of a center region of the window, an inlet through which a gas is introduced into the body, and an outlet through which the gas is discharged from the body to the window. A flow path through which the gas flows and a slope formed from the flow path toward the window are formed between the inlet and the outlet.
    Type: Application
    Filed: September 26, 2023
    Publication date: May 30, 2024
    Applicant: SEMES CO., LTD.
    Inventors: Yong Jun BAE, Seung Pyo LEE, Dong Jun PARK, Chang Eon PARK, Su Won KIM, Dho Young KIM
  • Patent number: 11989602
    Abstract: A display device is disclosed that includes a plurality of pixels and a plurality of code pixels. The pixels include light-emitting elements, which display an image. The code pixels are disposed in the same layer as the pixels and are adjacent to a reference point disposed between the pixels. The code pixels include infrared light-emitting elements, which emit infrared light. At least one of the code pixels, disposed in a particular direction from the reference point, emit the infrared light to provide a code pattern having position information.
    Type: Grant
    Filed: March 7, 2022
    Date of Patent: May 21, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Gi Na Yoo, Ju Yeon Kim, Won Sang Park, Chang Woo Shim, Seong Jun Lee
  • Patent number: 11989381
    Abstract: A display device includes subpixels on a substrate, position code patterns having a predetermined position code shape, when viewed in a plan view, each position code pattern being disposed at a region between at least two adjacent subpixels, and a pixel-defining layer defining a region where each subpixel is disposed and covering the position code patterns. The plurality of position code patterns are formed in a planar code shape and are configured to reflect light incident through the pixel-defining layer.
    Type: Grant
    Filed: September 26, 2022
    Date of Patent: May 21, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Gi Na Yoo, Ju Yeon Kim, Won Sang Park, Chang Woo Shim, Seong Jun Lee, Dong Hee Choi
  • Patent number: 11984793
    Abstract: Disclosed is a speed reduction device for a vehicle motor. The speed reduction device includes an output gear connected to an output shaft of the motor, a transmission gear engaged with the output gear, a cam formed to be integrated with the transmission gear, a cycloid inner gear, a pair of wedges compressed against the inner peripheral surface of a through hole of the cycloid inner gear by elastic restoring force of a spring and configured to closely contact the cam, a ring gear partially engaged with the cycloid inner gear when the cycloid inner gear is eccentrically rotated, an end plate, and a final output gear configured to finally output rotational force of the cycloid inner gear, thereby preventing backlash between gears during rotational driving of the motor and reliably preventing movement of a seat after swivel adjustment is completed.
    Type: Grant
    Filed: March 6, 2023
    Date of Patent: May 14, 2024
    Assignees: HYUNDAI TRANSYS INC., MARS CO., LTD.
    Inventors: Hee Jun Park, Byung Mo Kim, Woo Kyo Jang, Chang Hee Jang, Jun Ho Shin
  • Publication number: 20240149109
    Abstract: A knee joint rehabilitation apparatus for a wheelchair includes a rehabilitation apparatus frame having a height corresponding to a length of each of legs of a patient sitting on the wheelchair; an upper leg support disposed at an upper end of the rehabilitation apparatus frame and supporting upper legs of the patient thereon while the patient is sitting on the wheelchair; a lower leg support pivotably connected to the upper leg support, wherein the lower legs of the patient are seated and supported on the lower leg support; and an exercise control unit disposed on the rehabilitation apparatus frame and configured to allow the lower leg support to pivot around a connection portion between the lower leg support and the upper leg support such that the patient performs rehabilitation exercise of the knee joint thereof while sitting on the wheelchair.
    Type: Application
    Filed: January 10, 2022
    Publication date: May 9, 2024
    Applicant: HEXARHUMANCARE CO., LTD
    Inventors: Chang Soo HAN, Ho Jun KIM, Su Hyu PARK, Young Hoon JI, Jeong Ho CHO, Byung Gab RYU, Jeong Gyu PARK, Dong Eun CHOI, Cheol Woong AHN
  • Patent number: 11973222
    Abstract: A positive electrode active material precursor having a uniform particle size distribution and represented by Formula 1, wherein a percentage of fine powder with an average particle diameter (D50) of 1 ?m or less is generated when the positive electrode active material precursor is rolled at 2.5 kgf/cm2 is less than 1%, and an aspect ratio is 0.93 or more, and a method of preparing the positive electrode active material precursor [NixCoyM1zM2w](OH)2 ??[Formula 1] in Formula 1, 0.5?x<1, 0<y?0.5, 0<z?0.5, and 0?w?0.1, M1 includes at least one selected from the group consisting of Mn and Al, and M2 includes at least one selected from the group consisting of Zr, B, W, Mo, Cr, Nb, Mg, Hf, Ta, La, Ti, Sr, Ba, Ce, F, P, S, and Y. A method of preparing the positive electrode active material precursor is also provided.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: April 30, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Seong Bae Kim, Yi Rang Lim, Kyoung Wan Park, Hyun Uk Kim, Hong Kyu Park, Chang Jun Moon, Eun Hee Kim
  • Publication number: 20240136531
    Abstract: A conductive composite material, a method of preparing the same, and a secondary battery including the same. The conductive composite material may increase the proportion of an active material when forming an electrode by chemically bonding a conductive material and a binder to each other. A method of preparing the conductive composite material comprises ionizing carbon-based particles in a predetermined polarity, ionizing PTFE particles in a polarity different from that of the carbon-based particles, and chemically bonding the ionized carbon-based particles and the ionized PTFE particles, which are ionized in different polarities, to each other.
    Type: Application
    Filed: September 20, 2023
    Publication date: April 25, 2024
    Inventors: Seung Min Oh, Sung Ho Ban, Sang Hun Lee, Ko Eun Kim, Yoon Sung Lee, Chang Hoon Song, Hyeong Jun Choi, Jun Myoung Sheem, Jin Kyo Koo, Young Jun Kim
  • Patent number: 11949881
    Abstract: The present invention discloses an encoding apparatus using a Discrete Cosine Transform (DCT) scanning, which includes a mode selection means for selecting an optimal mode for intra prediction; an intra prediction means for performing intra prediction onto video inputted based on the mode selected in the mode selection means; a DCT and quantization means for performing DCT and quantization onto residual coefficients of a block outputted from the intra prediction means; and an entropy encoding means for performing entropy encoding onto DCT coefficients acquired from the DCT and quantization by using a scanning mode decided based on pixel similarity of the residual coefficients.
    Type: Grant
    Filed: April 1, 2021
    Date of Patent: April 2, 2024
    Assignees: Electronics and Telecommunications Research Institute, Kwangwoon University Research Institute for Industry Cooperation, Industry-Academia Cooperation Group of Sejong University
    Inventors: Se-Yoon Jeong, Hae-Chul Choi, Jeong-Il Seo, Seung-Kwon Beack, In-Seon Jang, Jae-Gon Kim, Kyung-Ae Moon, Dae-Young Jang, Jin-Woo Hong, Jin-Woong Kim, Yung-Lyul Lee, Dong-Gyu Sim, Seoung-Jun Oh, Chang-Beom Ahn, Dae-Yeon Kim, Dong-Kyun Kim
  • Publication number: 20240082095
    Abstract: Disclosed is an exoskeleton-type rehabilitation robot system, including: a body part provided on a chair in which a user sits and provided with a robot arm capable of moving left or right based on the user seated on the chair; a conversion part configured to convert a position of the robot arm with respect to the body part; a driving part configured to articulate the robot arm with respect to the body part; and a controller configured to detect a change in a position of the robot arm and control a left or right driving mode of the driving part according to the position of the robot arm. In accordance with such a configuration, the exoskeleton-type rehabilitation robot system of the present invention is provided integrally with a chair, thereby having excellent space utilization. In addition, the user's initial preparation for rehabilitation training is simple, which can improve efficiency.
    Type: Application
    Filed: December 27, 2021
    Publication date: March 14, 2024
    Applicant: HEXARHUMANCAR CO., LTD
    Inventors: Chang Soo HAN, Ho Jun KIM, Su Hyun PARK, Young Hoon JI, Jeong Ho CHO, Byung Gab RYU, Jeong Gyu PARK, Dong Eun CHOI
  • Publication number: 20240075988
    Abstract: An embodiment roof assembly for a vehicle includes a roof panel including a core, an upper skin attached to a top surface of the core, and a lower skin attached to a bottom surface of the core, a face sheet disposed above the roof panel, and a foam layer interposed between the roof panel and the face sheet.
    Type: Application
    Filed: March 21, 2023
    Publication date: March 7, 2024
    Inventors: Kyung Min Yu, Dong Won Kim, Chang Hun Lee, Min Jun Kim, Young Ju Kim, Hyun Chul Lee
  • Patent number: 11915782
    Abstract: An electronic device including a memory device with improved reliability is provided. The semiconductor device comprises a data pin configured to transmit a data signal, a command/address pin configured to transmit a command and an address, a command/address receiver connected to the command/address pin, and a computing unit connected to the command/address receiver, wherein the command/address receiver receives a first command and a first address from the outside through the command/address pin and generates a first instruction on the basis of the first command and the first address, and the computing unit receives the first instruction and performs computation based on the first instruction.
    Type: Grant
    Filed: August 20, 2021
    Date of Patent: February 27, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang Min Lee, Nam Hyung Kim, Dae Jeong Kim, Do Han Kim, Min Su Kim, Deok Ho Seo, Won Jae Shin, Yong Jun Yu, Il Gyu Jung, In Su Choi
  • Patent number: 11400978
    Abstract: Provided are a vehicle control apparatus and a vehicle control method, a vehicle control apparatus including: a sensor configured to sense at least one of a vehicle speed value and a lateral acceleration value of a vehicle; an active camber device including a knuckle for supporting a wheel of the vehicle, an upper arm having one end rotatably connected to the knuckle to form a stroke node, and a actuator for rotationally shifting the stroke node of the upper arm with respect to a connection point with the knuckle in a vertical direction; and a controller configured to vary a position of the stoke node of the upper arm through the actuator on the basis of one of the sensed vehicle speed value and the sensed lateral acceleration value.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: August 2, 2022
    Assignee: MANDO CORPORATION
    Inventors: Eun Jung No, Chang Jun Kim, Sarang Cha
  • Patent number: 10960725
    Abstract: Provided is an active roll control apparatus for controlling a stiffness value of a stabilizer bar by moving the stabilizer bar, which is installed between left and right wheels of a vehicle and extends in a first direction, and a stabilizer link connected with the stabilizer bar to improve turning stability of the vehicle by actively controlling roll stiffness of the vehicle. The active roll control apparatus includes rotating shafts having one ends connected to both ends of the stabilizer bar, moving units into which the rotating shafts are inserted and which are movable along outer side surfaces of the rotating shafts in a second direction perpendicular to the first direction, and a driving unit configured to rotate the rotating shafts to move the moving units.
    Type: Grant
    Filed: February 22, 2018
    Date of Patent: March 30, 2021
    Assignee: MANDO CORPORATION
    Inventor: Chang Jun Kim
  • Publication number: 20190375455
    Abstract: Provided are a vehicle control apparatus and a vehicle control method, a vehicle control apparatus including: a sensor configured to sense at least one of a vehicle speed value and a lateral acceleration value of a vehicle; an active camber device including a knuckle for supporting a wheel of the vehicle, an upper arm having one end rotatably connected to the knuckle to form a stroke node, and a actuator for rotationally shifting the stroke node of the upper arm with respect to a connection point with the knuckle in a vertical direction; and a controller configured to vary a position of the stoke node of the upper arm through the actuator on the basis of one of the sensed vehicle speed value and the sensed lateral acceleration value.
    Type: Application
    Filed: June 7, 2019
    Publication date: December 12, 2019
    Inventors: Eun Jung NO, Chang Jun Kim, Sarang Cha
  • Patent number: 10336153
    Abstract: An active roll control apparatus is provided. To adjust a stiffness value of the stabilizer bar by moving a stabilizer bar installed between left and right wheels of a vehicle and extending in a first direction and a stabilizer link connected to the stabilizer bar, the active roll control apparatus includes a sliding part having one side connected to the stabilizer bar and the other side connected to the stabilizer link to slide the stabilizer link in a second direction perpendicular to the first direction, and a movement restricting part installed at the sliding part to restrict movement when the sliding part slides.
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: July 2, 2019
    Assignee: MANDO CORPORATION
    Inventors: Jun Ho Seong, Jae Hoon Jang, Chang Jun Kim
  • Publication number: 20180335692
    Abstract: Disclosed are a phase-shift blankmask and a phase-shift photomask, which includes a phase-shift film made of silicon (Si) or a silicon (Si) compound on a transparent substrate and has a high transmittance characteristic. In the phase-shift blankmask according to the present disclosure, the phase-shift film has a high transmittance of 50% or higher, thereby achieving a micro pattern smaller than or equal to 32 nm, preferably 14 nm, and more preferably 10 nm for a semiconductor device, for example, a DRAM, a flash memory, a logic device.
    Type: Application
    Filed: May 9, 2018
    Publication date: November 22, 2018
    Applicant: S&S TECH Co., Ltd.
    Inventors: Kee-Soo NAM, Cheol SHIN, Jong-Hwa LEE, Chul-Kyu YANG, Chang-Jun KIM, Seung-Hyup SHIN, Gil-Woo KONG
  • Publication number: 20180244126
    Abstract: Provided is an active roll control apparatus for controlling a stiffness value of a stabilizer bar by moving the stabilizer bar, which is installed between left and right wheels of a vehicle and extends in a first direction, and a stabilizer link connected with the stabilizer bar to improve turning stability of the vehicle by actively controlling roll stiffness of the vehicle. The active roll control apparatus includes rotating shafts having one ends connected to both ends of the stabilizer bar, moving units into which the rotating shafts are inserted and which are movable along outer side surfaces of the rotating shafts in a second direction perpendicular to the first direction, and a driving unit configured to rotate the rotating shafts to move the moving units.
    Type: Application
    Filed: February 22, 2018
    Publication date: August 30, 2018
    Inventor: Chang Jun KIM
  • Patent number: 10036947
    Abstract: Disclosed are a blankmask and a photomask, in which compositions of metal and light elements of a light-shielding film are controlled so that the light-shielding film can guarantee a light-shielding efficiency, increase an etching speed, become thinner, and have a minimum sheet-resistance. To this end, the blankmask according to the present invention includes at least a light-shielding film on a transparent substrate, and the light-shielding film includes a first light-shielding layer adjacent to the transparent substrate and a second light-shielding layer formed on the first light-shielding layer, in which the first and the second light-shielding film contains chrome (Cr) and molybdenum (Mo).
    Type: Grant
    Filed: October 8, 2015
    Date of Patent: July 31, 2018
    Assignee: S&S TECH CO., LTD.
    Inventors: Kee-Soo Nam, Cheol Shin, Jong-Hwa Lee, Chul-Kyu Yang, Min-Ki Choi, Chang-Jun Kim, Young-Jo Jeon
  • Patent number: 10018905
    Abstract: Disclosed is a phase-shift blankmask for manufacturing a photomask, which can achieve a fine pattern of not greater than 32 nm, preferably not greater than 14 nm, and more preferably not greater than 10 nm. To this end, a phase-shift film, a light-shielding film, an etch-stopping film and a hard film are provided on a transparent substrate, in which the light-shielding film has a multi-layered structure of two or more layers different in composition, one of which essentially contains oxygen (O), a light-shielding layer essentially having oxygen (O) occupies 50%˜100% of the whole thickness of the light-shielding film, and the phase-shift film has a transmissivity of 10%˜50%.
    Type: Grant
    Filed: November 19, 2015
    Date of Patent: July 10, 2018
    Assignee: S & S TECH CO., LTD
    Inventors: Kee-Soo Nam, Cheol Shin, Jong-Hwa Lee, Chul-Kyu Yang, Min-Ki Choi, Chang-Jun Kim, Kyu-Jin Jang
  • Patent number: 9851632
    Abstract: Disclosed is a phase-shift blankmask, in which a light-shielding film includes a metal compound and having a structure of a multi-layer film or a continuous film, which includes a first light-shielding layer and a second light-shielding layer. The second light-shielding layer has higher optical density at an exposure wavelength per unit thickness (?) than the first light-shielding layer. The first light-shielding layer occupies 70% to 90% of the whole thickness of the light-shielding film. With this, the blankmask secures a light-shielding effect, has an improved etching speed, and makes a resist film thinner, thereby achieving a fine pattern.
    Type: Grant
    Filed: July 21, 2015
    Date of Patent: December 26, 2017
    Assignee: S&S TECH CO., LTD.
    Inventors: Kee-Soo Nam, Cheol Shin, Chul-Kyu Yang, Jong-Hwa Lee, Min-Ki Choi, Chang-Jun Kim, Kyu-Jin Jang