Patents by Inventor Hwan Cho

Hwan Cho 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: 20250151558
    Abstract: A display device includes a first active pattern disposed on a substrate, a first gate electrode disposed on the first active pattern, a second active pattern disposed on the first gate electrode, being electrically connected to the first gate electrode, and including an extension part extending in a first direction and a protrusion part protruding from the extension part in a second direction crossing the first direction, and a voltage line disposed on the second active pattern, extending in the first direction, and overlapping the protrusion part in an overlapping region. The voltage line contacts the protrusion part through a first contact, and the first contact entirely overlaps the overlapping region on a plane.
    Type: Application
    Filed: January 9, 2025
    Publication date: May 8, 2025
    Applicant: Samsung Display Co., Ltd.
    Inventors: SEUNG-HWAN CHO, WONSUK CHOI, TETSUHIRO TANAKA, JIRYUN PARK, SEOKJE SEONG, SEUNGWOO SUNG, JISEON LEE
  • Publication number: 20250141050
    Abstract: An elastic sheet for an all-solid-state battery and an all-solid-state battery including the elastic sheet for an all-solid-state battery, the elastic sheet for an all-solid-state battery includes a (meth)acrylate copolymer; an aluminum hydroxide; and inorganic nanotubes, and the all-solid-state battery includes the elastic sheet; and an electrode assembly, wherein the electrode assembly includes a positive electrode, a negative electrode, and a solid electrolyte layer between the positive electrode and the negative electrode, and the elastic sheet is outside at least one of the positive electrode and the negative electrode.
    Type: Application
    Filed: September 5, 2024
    Publication date: May 1, 2025
    Inventors: Ik Hwan CHO, Jiwan YOU, Changhee WOO, Jinhwan PARK, Young Gyoon RYU
  • Publication number: 20250141049
    Abstract: An elastic sheet for an all-solid-state battery includes a polyurethane film, a first (meth)acrylate resin layer on a first surface of the polyurethane film, and a second (meth)acrylate resin layer on a second surface of the polyurethane film.
    Type: Application
    Filed: May 22, 2024
    Publication date: May 1, 2025
    Inventors: Ik Hwan CHO, Jiwan You, Changhee Woo, Jinhwan Park, Young Gyoon Ryu
  • Publication number: 20250143079
    Abstract: A display device including a light-emitting element, an encapsulation layer over the light-emitting element and including a first inorganic encapsulation layer, an organic encapsulation layer and a second inorganic encapsulation layer in order, and the first inorganic encapsulation layer and the second inorganic encapsulation layer in direct contact with each other to define an inorganic encapsulation area of the display device, a supply voltage line electrically connected to the light-emitting element, a signal line which provides an electrical signal to the display area, and within the inorganic encapsulation area of the display device, the signal line overlapping the supply voltage line and an etch stop pattern between the supply voltage line and the signal line which overlap each other.
    Type: Application
    Filed: January 1, 2025
    Publication date: May 1, 2025
    Inventors: Hyeon Woo SHIN, Beom Yeol PARK, Ji Ryun PARK, Ji Seon LEE, Seung Hwan CHO, Won Suk CHOI, Yoon Sun CHOI
  • Patent number: 12289968
    Abstract: A display device includes a substrate, one or more scan stages disposed on the substrate, a first conductive layer disposed on the substrate, and scan control lines electrically connected to each of the one or more scan stages, a first organic insulating layer disposed on the first conductive layer, and a second organic insulating layer disposed on the first organic insulating layer. The first organic insulating layer and the second organic insulating layer overlap the scan control lines.
    Type: Grant
    Filed: March 25, 2022
    Date of Patent: April 29, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Ho Bang, Seung Hwan Cho, Eun Hye Kim, Seong Ryong Lee, Eun Ae Jung, Won Suk Choi
  • Patent number: 12284494
    Abstract: A sound control device and a method for controlling the sound control device provided in a vehicle. The method comprises obtaining an input signal including at least one of a reference signal of an accelerometer or an error signal obtained from a sound signal of a microphone; adjusting low frequency components of the input signal based on magnitudes of the low frequency components of the input signal and a preset reference magnitude; generating a noise control signal based on the adjusted input signal; and transmitting the noise control signal so that a speaker outputs the noise control signal.
    Type: Grant
    Filed: August 18, 2022
    Date of Patent: April 22, 2025
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Jung Keun You, Myoung Ok Lee, Kaang Dok Yee, Chi Sung Oh, Mun Hwan Cho
  • Publication number: 20250107374
    Abstract: A display device includes a driving transistor; a transistor connected to the driving transistor; a first insulating layer; a first data conductive layer including a first connection pattern; a second insulating layer including a lower via hole; a second data conductive layer including a second connection pattern connected to the first connection pattern and a first conductive line; a third insulating layer including an intermediate via hole; a third data conductive layer including a third connection pattern connected to the second connection pattern, a second conductive line extending in a second direction, and a first data line which extends in the second direction; a fourth insulating layer including an upper via hole; and a light emitting element disposed including a first electrode, wherein at least two of the lower via hole, the intermediate via hole, and the upper via hole overlap each other in a third direction.
    Type: Application
    Filed: December 10, 2024
    Publication date: March 27, 2025
    Applicant: Samsung Display Co., Ltd.
    Inventors: Seung Hwan CHO, Beom Yeol PARK, Hyeon Woo SHIN, Ji Seon LEE, Won Suk CHOI, Yoon Sun CHOI
  • Patent number: 12260043
    Abstract: A method of driving an electronic device includes displaying a plurality of fingerprint recognition icons on a display device configured to perform fingerprint recognition, and releasing a lock state of the display device through a fingerprint authentication process upon determining at least one first fingerprint recognition icon among the plurality of fingerprint recognition icons is touched. The plurality of fingerprint recognition icons include at least one first fingerprint recognition icon configured to support the fingerprint recognition and at least one second fingerprint recognition icon configured to not support the fingerprint recognition.
    Type: Grant
    Filed: September 8, 2023
    Date of Patent: March 25, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Byung Han Yoo, Jung Woo Park, Hyang A Park, Dae Young Lee, Hyun Dae Lee, Kang Bin Jo, Sang Hwan Cho, Sung-Chan Jo
  • Publication number: 20250093653
    Abstract: A mobile display device includes a first display device that provides images to a user's left eye, a second display device that provides images to the user's right eye, a display device housing that accommodates the first display device and the second display device, and a housing cover that covers the display device housing and includes a first eyepiece aligned with the first display device and a second eyepiece aligned with the second display device. Each of the first display device and the second display device includes a display panel and a circuit board disposed at one end of the display panel and that includes a driver circuit. The circuit board of the first display device and the circuit board of the second display device are symmetrically arranged with respect to a center of the housing cover located between the first eyepiece and the second eyepiece.
    Type: Application
    Filed: May 20, 2024
    Publication date: March 20, 2025
    Inventors: SU JEONG KIM, GUN SHIK KIM, JOON HYUNG PARK, JI NA SEO, SEUNG HWAN CHO
  • Publication number: 20250095717
    Abstract: The present invention relates to a bitline multi-level voltage sensing circuit for a multi-bit operation of a DRAM including a memory cell that stores data by an operation of a wordline and a bitline, the bitline multi-level voltage sensing circuit comprising: an operational amplifier having a non-inverting input terminal coupled to a precharging voltage line and an inverting input terminal coupled to a bitline through a first switch enabled by a wordline signal; a feedback capacitor formed between an output terminal of the operational amplifier and an inverting input terminal of the operational amplifier; a second switch formed in parallel with the feedback capacitor between the output terminal of the operational amplifier and the inverting input terminal of the operational amplifier and enabled by a precharging signal; and an analog-to-digital converter that converts an output voltage of the output terminal of the operational amplifier into a digital signal.
    Type: Application
    Filed: November 16, 2021
    Publication date: March 20, 2025
    Inventors: Seong Hwan CHO, Gi Woo LEE
  • Publication number: 20250066577
    Abstract: A composite flame retardant for an all-solid-state rechargeable battery, the composite flame retardant includes core particles including a phosphorus flame retardant; and a coating layer on a surface of the core particles, the coating layer including a melamine flame retardant, wherein the coating layer has a thickness of less than or equal to about 1 ?m.
    Type: Application
    Filed: August 15, 2024
    Publication date: February 27, 2025
    Inventors: Changhee WOO, Ik-Hwan Cho, Jiwan You, Jinhwan Park, Young Gyoon Ryu
  • Publication number: 20250066587
    Abstract: A composite flame retardant for an all-solid-state rechargeable battery, the composite flame retardant including core particles that include a phosphorus flame retardant; and a coating layer on a surface of the core particles, the coating layer including a melamine flame retardant, wherein the coating layer has a thickness of greater than about 1 ?m and less than or equal to about 6 ?m.
    Type: Application
    Filed: May 1, 2024
    Publication date: February 27, 2025
    Inventors: JIWAN YOU, Ik Hwan CHO, Changhee WOO, Young Gyoon RYU
  • Patent number: 12238987
    Abstract: A display device includes a display area having a pixel, a non-display area, and a non-display sub-region including a first area and a bending area, along a first direction, and a first power line which is in the non-display area and the first area and transmits a power voltage to the pixel, the first power line including a first and a second power connection portion spaced apart from each other in the first direction, and a first power path portion and a second power path portion which are spaced apart from each other along a second direction and connect the first and second power connection portions to each other. The length of the non-display sub-region is smaller than the length of the non-display area, and the first power path portion is closer to the outer edge of the non-display sub-region than the second power path portion.
    Type: Grant
    Filed: October 8, 2021
    Date of Patent: February 25, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Ho Bang, Seung Hwan Cho, Won Suk Choi
  • Publication number: 20250046242
    Abstract: A display device including: a display panel containing pixels connected to a light emitting control line and a light emitting control driver including a light emitting control stage that provides a light emitting control signal to the pixels through the light emitting control line, wherein the light emitting control stage includes: a first light emitting control transistor including a first electrode connected to the light emitting control line, a gate electrode connected to a first light emitting control clock line, and a second electrode connected to a first node, a first power voltage line to which a first power voltage is applied; and a shielding pattern extending between the first light emitting control transistor and the first power voltage line and receiving a power voltage higher than the first power voltage.
    Type: Application
    Filed: June 13, 2024
    Publication date: February 6, 2025
    Inventors: TAE-HO KIM, SEUNG-JUN LEE, YONGSU LEE, JAEWOO LEE, SEUNG-HWAN CHO
  • Publication number: 20250046257
    Abstract: A display device includes a circuit layer including emission pixel drivers, and data lines transferring data signals of the emission pixel drivers; a data driver generating the data signals of the emission pixel drivers; and a demultiplexer circuit electrically connected between the data driver and the data lines and including a first demultiplexer transistor turned on by a first demultiplexer control signal and a second demultiplexer transistor turned on by a second demultiplexer control signal. A first data line of the data lines is electrically connected to the data driver through the first demultiplexer transistor and a transfer path shorter than a first extension length. A second data line of the data lines is electrically connected to the data driver through the second demultiplexer transistor and a transfer path longer than or equal to the first extension length.
    Type: Application
    Filed: April 30, 2024
    Publication date: February 6, 2025
    Applicant: Samsung Display Co., LTD.
    Inventors: Byeong Soo KANG, Man Sung KIM, Tae Ho KIM, Yong Ho SUNG, Seung Jun LEE, Yong Su LEE, Jae Woo LEE, Sang Min JEON, Seung Hwan CHO
  • Patent number: 12219838
    Abstract: Provided is a display device which includes a substrate having a display area and a non-display area, and a plurality of pads disposed in the non-display area. Each of the pads includes a first electrode layer, a second electrode layer, a third electrode layer, a fourth electrode layer, and a fifth electrode layer which are sequentially disposed on the substrate, and the second electrode layer is in contact with the first electrode layer through a contact hole formed in one or more insulating layers.
    Type: Grant
    Filed: August 1, 2023
    Date of Patent: February 4, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yoon Sun Choi, Seong Ryong Lee, Seung-Hwan Cho
  • Publication number: 20250035934
    Abstract: A display device includes a substrate, a first display element which is disposed on the substrate, and a plurality of diffraction patterns which are disposed on a path of light emitted from the first display element and arranged along a direction with a first period. when a width of a cross section of one of the plurality of diffraction patterns is defined as a first length, the first period and the first length satisfy Inequality (1): 0.4 ? d ? 1 / DP ? 1 ? 1 , ( 1 ) where DP1 is the first period, and d1 is the first length.
    Type: Application
    Filed: October 14, 2024
    Publication date: January 30, 2025
    Inventors: Sang Hwan CHO, So Young LEE, Sun Young JUNG, Chung Sock CHOI, Sun Mi KANG, Hyun Ho KIM, Cheol JANG, Sang Hyun HAN
  • Patent number: 12213359
    Abstract: A display device includes a first active pattern disposed on a substrate, a first gate electrode disposed on the first active pattern, a second active pattern disposed on the first gate electrode, being electrically connected to the first gate electrode, and including an extension part extending in a first direction and a protrusion part protruding from the extension part in a second direction crossing the first direction, and a voltage line disposed on the second active pattern, extending in the first direction, and overlapping the protrusion part in an overlapping region. The voltage line contacts the protrusion part through a first contact, and the first contact entirely overlaps the overlapping region on a plane.
    Type: Grant
    Filed: July 25, 2023
    Date of Patent: January 28, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung-Hwan Cho, Wonsuk Choi, Tetsuhiro Tanaka, Jiryun Park, Seokje Seong, Seungwoo Sung, Jiseon Lee
  • Patent number: 12207778
    Abstract: A dishwasher includes a water jacket. The water jacket includes a water discharge path configured to discharge wash water to an outside of the dishwasher, a chamber in fluid communication with an upper end of the water discharge path, a check valve disposed inside the chamber, and a hinge disposed in the chamber and connected to the check valve. The check valve includes a floating portion with an empty inside. The specific gravity of the floating is smaller than that of water.
    Type: Grant
    Filed: June 8, 2020
    Date of Patent: January 28, 2025
    Assignee: LG Electronics Inc.
    Inventors: Sangjin Kim, Minchul Kim, Tae Hwan Cho
  • Patent number: 12198943
    Abstract: Disclosed are a substrate processing apparatus and a process fluid treating apparatus. The substrate processing apparatus includes a process chamber that processes a substrate with a process fluid including ozone, a discharge conduit connected to the process chamber to discharge the process fluid used to process the substrate, and a process fluid treating apparatus connected with the discharge conduit. The process fluid treating apparatus includes a housing having an inner space with a set volume in which the process fluid is received and an injection nozzle connecting the discharge conduit and the inner space of the housing.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: January 14, 2025
    Assignee: SEMES CO. LTD.
    Inventors: Junhee Youn, Seung Hwan Cho