Patents by Inventor Yi-Joon Ahn

Yi-Joon Ahn 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).

  • Patent number: 11617038
    Abstract: A display device includes a display panel which displays an image, a cover window which is disposed on a first surface of the display panel, and a first sound generator which is disposed on a second surface opposite the first surface of the display panel and outputs sound by vibrating the display panel. The cover window includes a first lattice pattern area including lattice patterns surrounding the first sound generator in a plan view.
    Type: Grant
    Filed: November 22, 2021
    Date of Patent: March 28, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yi Joon Ahn, Eun Kyung Yeon, Jae Been Lee
  • Patent number: 11599327
    Abstract: A display device including a display panel including a first substrate and a pixel array layer disposed on a first surface of the first substrate, a first sound generation device disposed on a second surface of the first substrate opposing the first surface, and configured to vibrate the display panel and output first sound, and a circuit board disposed on the second surface of the first substrate, in which the first sound generation device includes a bobbin fixed on one surface of the first substrate, a voice coil surrounding a side surface of the bobbin, a magnet disposed on the bobbin and spaced apart from the bobbin, and a plate disposed on the magnet and fixed to the circuit board.
    Type: Grant
    Filed: April 19, 2020
    Date of Patent: March 7, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byeong Hee Won, Keun Kyu Song, Yi Joon Ahn, Sung Chan Jo
  • Patent number: 11582543
    Abstract: A display device includes: a display panel including a first substrate and a light emitting element layer disposed on the first substrate; and a sound generator disposed on one surface of the first substrate, where the sound generator vibrates the display panel to output a sound. The sound generator includes: a first vibration generator which vibrates the display panel by generating a magnetic force using a first voice coil therein; and a second vibration generator including a vibration layer which contracts or expands based on a voltage applied thereto to vibrate the display panel, where the first vibration generator and the second vibration generator overlap each other in a thickness direction of the display panel.
    Type: Grant
    Filed: June 4, 2021
    Date of Patent: February 14, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae Woo Im, Byeong Hee Won, Yi Joon Ahn
  • Patent number: 11561756
    Abstract: A display device includes: a display panel; a first sound generator disposed on one surface of the display panel, where the first sound generator vibrates the display panel to output a first sound; and a first vibration damping member disposed between the display panel and the first sound generator, where the first vibration damping member reduces a vibration displacement of the display panel.
    Type: Grant
    Filed: April 7, 2020
    Date of Patent: January 24, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Tae Sung Kim, Byeong Hee Won, Young Ji Kim, Yi Joon Ahn
  • Patent number: 11553275
    Abstract: A method of providing sounds matching an image displayed on a display panel includes: calculating a first object in the image by analyzing digital video data corresponding to the image, and calculating first gain values based on a location of the first object, and applying first gain values to a plurality of sound data; displaying the image on the display panel based on the digital video data; and outputting the plurality of sounds by vibrating the display panel based on the plurality of sound data to which the first gain values applied, using a plurality of sound generating devices.
    Type: Grant
    Filed: November 8, 2019
    Date of Patent: January 10, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Byeong Hee Won, Jin Oh Kwag, Sung Chan Jo, Yi Joon Ahn, Jae Been Lee
  • Patent number: 11543865
    Abstract: A sound generator for a display device, including: a first vibration generation unit having a first electrode and a second electrode; a second vibration generation unit having a third electrode and a fourth electrode; and a vibration layer including: a first sub-vibration layer disposed between the first electrode and the second electrode; and a second sub-vibration layer disposed between the third electrode and the fourth electrode, wherein the first vibration generation unit is configured to contract and expand the first sub-vibration layer based on a first driving voltage applied to the first electrode and a second driving voltage applied to the second electrode, and wherein the second vibration generation unit is configured to contract and expand the second sub-vibration layer based on a third driving voltage applied to the third electrode and a fourth driving voltage applied to the fourth electrode.
    Type: Grant
    Filed: August 1, 2021
    Date of Patent: January 3, 2023
    Assignee: Samsung Display Co. Ltd.
    Inventors: Yi Joon Ahn, Jung Hun Noh
  • Publication number: 20220413617
    Abstract: A display device includes a display panel displaying an image, a lower frame disposed under the display panel, a first vibration element attached to a lower surface of the display panel and which generates a first vibration based on a first vibration signal, a second vibration element disposed under the lower frame and which generates a second vibration based on a second vibration signal, and a first vibration driver circuit which provides the first vibration signal to the first vibration element, where a phase of the second vibration signal is opposite to a phase of the first vibration signal.
    Type: Application
    Filed: August 26, 2022
    Publication date: December 29, 2022
    Inventors: Yi Joon AHN, Jung Hun NOH, Jae Woo IM
  • Patent number: 11502271
    Abstract: An electronic device including a window having a front surface and a rear surface, a display panel disposed on the rear surface of the window, the display panel having a front surface and a rear surface, and a sensory button set disposed on the rear surface of the display panel. The sensory button set includes a sensor unit, and a pusher disposed between the sensor unit and the display panel configured to transfer an external force applied to a predetermined area of the window to the sensor unit.
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: November 15, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ga Na Kim, Jung Hun Noh, Jae Been Lee, Yi Joon Ahn
  • Publication number: 20220360874
    Abstract: A display device includes a display panel including a display layer including light-emitting elements disposed on a substrate, and a sensor electrode layer disposed on the display layer. The sensor electrode layer includes a first sound electrode and a second sound electrode; a vibration layer electrically contacting the first sound electrode and the second sound electrode and being deformed in response to a first sound driving voltage applied to the first sound electrode and a second sound driving voltage applied to the second sound electrode; and sensor electrodes disposed on the vibration layer. The sensor electrodes sense an input.
    Type: Application
    Filed: June 30, 2022
    Publication date: November 10, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Young Seok SEO, Jung Hun NOH, Seung Lyong BOK, Yi Joon AHN, Sun Mi YU, Jin Oh KWAG
  • Patent number: 11497149
    Abstract: A display device includes a first heat dissipation member disposed on a display panel, and an air generator disposed on the first heat dissipation member, wherein the air generator includes an air blower, and an air flow path disposed at a side of the air blower and extending in a first direction. The air blower includes a body defining an inner space of the air blower, a first diaphragm and a second diaphragm disposed in the inner space of the body and facing each other, a first magnet disposed on a surface of the first diaphragm, and a second magnet disposed on a surface of the second diaphragm, and an air discharge hole of the body disposed between the first diaphragm and the second diaphragm, the air discharge hole opened toward the air path, and at least one of the first magnet and the second magnet is an electromagnet.
    Type: Grant
    Filed: April 5, 2021
    Date of Patent: November 8, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dae Hwan Jang, Yi Joon Ahn, Seok Hyun Nam, Haeng Won Park
  • Patent number: 11490182
    Abstract: A display device including a display panel configured to display an image; a touch sensing device configured to sense a touch of an object; a sound driver configured to generate and transmit a first sound driving signal and a second sound driving signal according to first sound data and second sound data; and a sound generator configured to generate a sound according to the first and second sound driving signals, such that a sound pressure level in a first frequency range is between first and second sound pressure levels in a first operating mode and a second operating mode, wherein the display device is in the first operating mode in response to the touch sensing device not sensing the touch of the object, and the display device is in the second operating mode in response to the touch sensing device sensing the touch of the object.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: November 1, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yi Joon Ahn, Jung Hun Noh, Jae Woo Im
  • Patent number: 11481032
    Abstract: Provided are a display device. The display device comprises a display panel displaying an image, a main circuit board disposed under the display panel, a first vibration element attached to a lower surface of the display panel and providing first vibration in accordance with a first vibration signal, a second vibration element disposed on the main circuit board and providing second vibration in accordance with a second vibration signal, and a first vibration driver circuit providing the first vibration signal to the first vibration element, wherein a phase of the second vibration signal is opposite to a phase of the first vibration signal.
    Type: Grant
    Filed: June 24, 2019
    Date of Patent: October 25, 2022
    Assignee: SAMSUNG DISPLAY CO. LTD.
    Inventors: Yi Joon Ahn, Jung Hun Noh, Jae Woo Im
  • Publication number: 20220319357
    Abstract: A display device including a display panel and a supporter. The display panel includes a base layer that includes a plurality of stopper patterns and a support layer coupled to the plurality of stopper patterns. The supporter supports the plurality of stopper patterns and the support layer. The supporter includes a plurality of support blocks, each of which extends along the first direction and which are arrayed along the second direction. The plurality of support blocks include a first support block and a second support block spaced apart from each other in the second direction. The first support block includes a second portion overlapping the first stopper pattern among the plurality of stopper patterns when viewed in a plan view, and the second support block includes a first portion overlapping the first stopper pattern when viewed in a plan view.
    Type: Application
    Filed: March 25, 2022
    Publication date: October 6, 2022
    Inventors: YI JOON AHN, EUN-KYUNG YEON, JAEBEEN LEE
  • Publication number: 20220322008
    Abstract: A display device includes a display panel which displays an image, a cover window which is disposed on a first surface of the display panel, and a first sound generator which is disposed on a second surface opposite the first surface of the display panel and outputs sound by vibrating the display panel. The cover window includes a first lattice pattern area including lattice patterns surrounding the first sound generator in a plan view.
    Type: Application
    Filed: November 22, 2021
    Publication date: October 6, 2022
    Inventors: Yi Joon AHN, Eun Kyung YEON, Jae Been LEE
  • Patent number: 11428807
    Abstract: A display device includes a display panel including a first substrate and a pixel array layer disposed on a first surface of the first substrate, a vibration generator including a sound output unit which vibrates the display panel to output a sound and a first ultrasonic wave output unit which vibrates the display panel to output ultrasonic waves, and a first ultrasonic wave absorbing film overlapping the first ultrasonic wave output unit in a thickness direction of the display panel, where the first ultrasonic wave absorbing film absorbs the ultrasonic waves.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: August 30, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Eun Kyung Yeon, Yi Joon Ahn, Ga Na Kim, Jung Hun Noh
  • Patent number: 11432059
    Abstract: A display device includes: a display panel; a first sound generator on a first surface of the display panel, the first sound generator being configured to vibrate the display panel to output a first sound; and a second sound generator configured to output a second sound. A third sound is a sum of the first sound and the second sound, and a sound pressure level of at least one of harmonic tones of the third sound is less than a sound pressure level of at least one of harmonic tones of the first sound.
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: August 30, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae Been Lee, Ga Na Kim, Yi Joon Ahn, Jung Hun Noh
  • Publication number: 20220262781
    Abstract: A display device includes a display area including a plurality of pixels arranged in a first direction and a second direction intersecting the first direction, each of the plurality of pixels including light-emitting area groups and non-light-emitting areas disposed adjacent to the light-emitting area groups, and a non-display area surrounding the display area, where a minimum distance between adjacent ones of the light-emitting area groups continuously arranged along the first direction or the second direction increases and decreases repeatedly.
    Type: Application
    Filed: February 14, 2022
    Publication date: August 18, 2022
    Inventors: Jae Been LEE, Yi Joon AHN
  • Patent number: 11381895
    Abstract: A display device includes a display panel including a display layer including light-emitting elements disposed on a substrate, and a sensor electrode layer disposed on the display layer. The sensor electrode layer includes a first sound electrode and a second sound electrode; a vibration layer electrically contacting the first sound electrode and the second sound electrode and being deformed in response to a first sound driving voltage applied to the first sound electrode and a second sound driving voltage applied to the second sound electrode; and sensor electrodes disposed on the vibration layer. The sensor electrodes sense an input.
    Type: Grant
    Filed: October 14, 2020
    Date of Patent: July 5, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young Seok Seo, Jung Hun Noh, Seung Lyong Bok, Yi Joon Ahn, Sun Mi Yu, Jin Oh Kwag
  • Publication number: 20220190060
    Abstract: A display device includes a display panel in which first holes arranged in a first direction and a second direction that intersects the first direction are defined, and a first panel bottom member which is disposed on one surface of the display panel and in which second holes arranged in the first and second directions are defined. A maximum length of a second hole among the second holes in the first direction satisfies ā€œeƗ(a+c)ā€ where a denotes a maximum length of a first hole among the first holes in the first direction, c denotes a minimum distance between neighboring first holes among the first holes in the first direction, and e is a positive integer.
    Type: Application
    Filed: September 16, 2021
    Publication date: June 16, 2022
    Inventors: Jae Been LEE, Yi Joon AHN, Sung Hoon KIM, Eun Kyung YEON
  • Patent number: 11355559
    Abstract: A display device includes a display panel including a display area including: a stretchable display area at which the display panel is stretchable, disposed at an outer edge of the display device, and a normal display area having flexibility less than that of the stretchable display area, the normal display area disposed further from the outer edge of the display device than the stretchable display area; a cover window disposed on the display panel, including a peripheral portion and a central portion which is disposed further from the outer edge of the display device than the peripheral portion; and a vibration member disposing the normal display area having the flexibility less than that of the stretchable display area between the central portion of the cover window and the vibration member along a thickness direction of the display device.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: June 7, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae Woo Im, Jung Hun Noh, Yi Joon Ahn, Sung Chan Jo