Patents by Inventor Ki Chang

Ki Chang 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: 20220369059
    Abstract: An active sound design (ASD) tuning device and a method thereof may include an ASD device that generates a virtual engine sound for each vehicle situation and a control device that outputs a composite sound by correcting and synthesizing the virtual engine sound and an internal sound measured for each vehicle situation based on a binaural vehicle impulse response (BVIR).
    Type: Application
    Filed: September 8, 2021
    Publication date: November 17, 2022
    Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation
    Inventors: Ki Chang KIM, Dong Chul PARK, Eun Soo JO, Jin Sung LEE
  • Publication number: 20220356996
    Abstract: A lighting device disclosed in an embodiment of the invention includes a substrate; light sources disposed on the substrate; and a resin layer disposed on the substrate and the light sources. a first reflective layer disposed on the resin layer, wherein the resin layer includes an exit surface facing the light sources, and the exit surface of the resin layer includes convex portions facing each of the light sources and recess portions respectively disposed between the plurality of convex portions, concave surfaces disposed in each of the plurality of recess portions may have a curvature, and a radius of curvature of the concave surfaces may increase in one direction.
    Type: Application
    Filed: July 25, 2022
    Publication date: November 10, 2022
    Inventors: Young Jae CHOI, Dong Hyun LEE, Ki Chang LEE, Gyeong ll JIN, Moo Ryong PARK
  • Publication number: 20220355732
    Abstract: A system for generating a virtual engine sound may include a server having information on at least one review of the virtual engine sound, and a virtual engine sound generator to generate “my sound” by tuning the virtual engine sound based on information on customized design settings, to update a preset driver emotion model for each emotion evaluation area of the virtual engine sound, based on the information on the at least one review of the virtual engine sound, which is received from the server, and to update the virtual engine sound based on the “my sound” and the driver emotion model updated for each emotion evaluation area.
    Type: Application
    Filed: August 20, 2021
    Publication date: November 10, 2022
    Inventors: Ki Chang KIM, Dong Chul PARK, Eun Soo JO, Jin Sung LEE
  • Publication number: 20220357912
    Abstract: An apparatus and a method for caring emotion of a driver based on a vehicle sound, may include a detector configured to detect driving information of the vehicle and body information of a user, a non-transitory storage to store instructions, and a processor to execute the instructions. The processor determines an emotional status of the driver by use of at least one of the driving information or the body information, to generate a healing sound by designing a virtual sound based on the driving information and the emotional status of the driver, and to generate and output the healing sound.
    Type: Application
    Filed: October 27, 2021
    Publication date: November 10, 2022
    Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation, Seoul National University R&DB Foundation
    Inventors: Ki Chang KIM, Eun Soo JO, Tae Kun YUN, Sang Jin HONG, Dong Chul PARK, Kyoung Jin CHANG, Ju In KIM, Jin Sung LEE, Myung Hwan YUN, Sung Ho KIM
  • Publication number: 20220359839
    Abstract: A display device includes a substrate that includes a bending area, a display active layer disposed on the substrate and that displays an image, a polarization layer disposed on the display active layer, a protective layer that contacts an end of the polarization layer and covers the bending area of the substrate; and an adhesive layer disposed on a boundary between the polarization layer and the protective layer, the adhesive layer extends from the end of the polarization layer toward the bending area by an extension area to overlap a portion of the protective layer.
    Type: Application
    Filed: July 25, 2022
    Publication date: November 10, 2022
    Inventors: MYOUNG-HA JEON, Ki Chang Lee
  • Patent number: 11462606
    Abstract: A display device includes a display panel and a signal transmission film including a first extension portion, a second extension portion, and a first dummy pattern. The signal transmission film is connected to one side of the display panel. The first extension portion extends in a first direction, and a first contact hole is formed at a first side of the first extension portion. The second extension portion extends from the first side of the first extension portion in a second direction which is different from the first direction. The first dummy pattern is disposed adjacent to the first contact hole at the first side.
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: October 4, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang Kyu Choi, Su Jin Jung, Yeong Bong Kang, Seong Sik Ahn, Ki Chang Lee, Min Hyuk Im, Myoung-Ha Jeon
  • Patent number: 11428372
    Abstract: A lighting device disclosed in an embodiment of the invention includes a substrate; light sources disposed on the substrate; and a resin layer disposed on the substrate and the light sources. a first reflective layer disposed on the resin layer, wherein the resin layer includes an exit surface facing the light sources, and the exit surface of the resin layer includes convex portions facing each of the light sources and recess portions respectively disposed between the plurality of convex portions, concave surfaces disposed in each of the plurality of recess portions may have a curvature, and a radius of curvature of the concave surfaces may increase in one direction.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: August 30, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Young Jae Choi, Dong Hyun Lee, Ki Chang Lee, Gyeong Il Jin, Moo Ryong Park
  • Publication number: 20220262774
    Abstract: A lighting device disclosed in an embodiment of the invention includes: a first substrate; a first light emitting device disposed on the first substrate; a resin layer disposed on the first substrate; a second substrate disposed on the resin layer; and a second light emitting device disposed on the second substrate and disposed in the resin layer. The resin layer may include a first surface from which light emitted from the first and second light emitting devices is emitted, and the first surface of the resin layer may include a plurality of convex portions and a plurality of concave portions.
    Type: Application
    Filed: July 2, 2020
    Publication date: August 18, 2022
    Inventors: Jung Ho LEE, Hyun Hee CHAE, Ki Chang LEE
  • Patent number: 11398611
    Abstract: A display device includes a substrate that includes a bending area, a display active layer disposed on the substrate and that displays an image, a polarization layer disposed on the display active layer, a protective layer that contacts an end of the polarization layer and covers the bending area of the substrate; and an adhesive layer disposed on a boundary between the polarization layer and the protective layer, the adhesive layer extends from the end of the polarization layer toward the bending area by an extension area to overlap a portion of the protective layer.
    Type: Grant
    Filed: January 18, 2021
    Date of Patent: July 26, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Myoung-Ha Jeon, Ki Chang Lee
  • Publication number: 20220207935
    Abstract: A method of generating a tire slip sound is capable of producing a virtual tire slip sound in a driving situation in which tire slip may occur during vehicle driving. The method includes collecting vehicle driving information while a vehicle is traveling; determining a characteristic of a virtual tire slip sound based on the collected vehicle driving information; generating and outputting a tire slip signal for generating and outputting the virtual tire slip sound according to the determined characteristic; and operating sound equipment of the vehicle according to the tire slip signal output from the controller to generate and output the virtual tire slip sound according to a vehicle driving state.
    Type: Application
    Filed: August 25, 2021
    Publication date: June 30, 2022
    Inventors: Ki Chang Kim, Jin Sung Lee, Dong Chul Park, Tae Kun Yun, Sang Jin Hong
  • Publication number: 20220194410
    Abstract: A method of generating a virtual effect for an electric vehicle. The method includes collecting, by a controller, vehicle driving information for generating the virtual effect during driving of the electric vehicle; and determining, by the controller, a characteristic of the virtual effect based on the collected vehicle driving information. A virtual effect is generated by a virtual effect producing signal for producing the determined characteristic of the virtual effect; and operating, by the virtual effect producing signal generated by the controller, a vibration actuator placed in a seat of the electric vehicle. Accordingly the vibration actuator produces vibration according to the determined characteristic of the virtual effect and a driver or a passenger who is in the seat experiences the vibration.
    Type: Application
    Filed: July 20, 2021
    Publication date: June 23, 2022
    Inventors: Ki Chang Kim, Tae Kun Yun, Dong Chul Park
  • Publication number: 20220198890
    Abstract: An apparatus for generating a virtual effect of an electric vehicle includes: a driving information detector configured to detect vehicle driving information in the electric vehicle; a controller configured to determine a characteristic of the virtual effect based on the vehicle driving information detected by the driving information detector, and configured to generate a virtual effect producing signal for producing the determined characteristic of the virtual effect; and a vibration actuator provided in a seat of the electric vehicle such that when the vibration actuator operates, a driver or a passenger who is in the seat experiences vibration, the vibration actuator being controlled by the virtual effect producing signal generated by the controller, so as to produce the vibration according to the determined characteristic of the virtual effect.
    Type: Application
    Filed: July 20, 2021
    Publication date: June 23, 2022
    Inventors: Ki Chang Kim, Dong Chul Park, Tae Kun Yun, Sang Jin Hong
  • Publication number: 20220185179
    Abstract: A method of playing a virtual after-burn sound in an electric vehicle is provided. The method includes acquiring driver tendency information generated based on information of music played in a mobile phone and collecting driving variable information for playing a virtual sound during operation of the electric vehicle. Additionally, characteristics of a virtual after-burn sound are determined based on the collected driving variable information. The characteristics of the virtual after-burn sound are corrected according to the acquired driver tendency information. An after-burn signal is generated for playing the virtual after-burn sound based on information about the corrected characteristics of the virtual after-burn sound and operation of sound equipment is adjusted according to the created after-burn signal such that a virtual after-burn sound discriminated according to the driver tendency is played and output from the sound equipment.
    Type: Application
    Filed: March 30, 2021
    Publication date: June 16, 2022
    Inventors: Ki Chang Kim, Jin Sung Lee, Jeong Soo Eo, Dong Chul Park, Tae Kun Yun, Ji Won Oh
  • Publication number: 20220169174
    Abstract: A method of providing virtual sound in an electric vehicle, includes: collecting vehicle driving information for outputting the virtual sound; determining characteristics of the virtual sound based on the collected vehicle driving information; generating a virtual effect signal for outputting the virtual sound, based on the determined characteristics; generating a sound signal containing the characteristics, based on the virtual effect signal; collecting the generated sound signal to obtain a final sound signal corresponding to a vehicle rating selected according to setting information based on the preset vehicle rating and a sound correction algorithm; and outputting the virtual sound corresponding to the selected vehicle rating, according to the final sound signal.
    Type: Application
    Filed: August 11, 2021
    Publication date: June 2, 2022
    Inventors: Jin Sung Lee, Ki Chang Kim, Dong Chul Park
  • Patent number: 11347339
    Abstract: A display device includes a display module, a touch member, and a first driving substrate. The display module includes a display panel. The touch member is disposed on the display module. The first driving substrate is attached on substrate attachment portions of the touch member, the substrate attachment portions being provided near a first edge of the touch member near a first side of the display device. the first driving substrate is bent in a downward direction with respect to the display module. The display module includes a bending support structure disposed on a first edge of the display module near the first side, the bending support structure protruding outwardly beyond the substrate attachment portions of the touch member.
    Type: Grant
    Filed: October 12, 2020
    Date of Patent: May 31, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Myoung Ha Jeon, Hyeon Jeong Oh, Ki Chang Lee
  • Publication number: 20220155512
    Abstract: A lighting device disclosed in an embodiment of the invention includes a substrate; a plurality of light sources disposed on the substrate; and a resin layer disposed on the substrate and the plurality of light sources, and a first reflective layer disposed on the resin layer, wherein the resin layer includes an exit surface facing the light sources, the exit surface of the resin layer includes a plurality of convex portions, the plurality of light sources are disposed on a virtual curve, wherein a straight line passing through centers of the first and second light sources adjacent to each other and the centers of each convex portion may be disposed at an obtuse angle with respect to a straight line connecting the adjacent first and second light sources.
    Type: Application
    Filed: March 19, 2020
    Publication date: May 19, 2022
    Inventors: Young Jae CHOI, Dong Hyun LEE, Ki Chang LEE, Gyeong II JIN, Moo Ryong PARK
  • Publication number: 20220154896
    Abstract: A lighting device disclosed in an embodiment of the invention includes a substrate; light sources disposed on the substrate; and a resin layer disposed on the substrate and the light sources. a first reflective layer disposed on the resin layer, wherein the resin layer includes an exit surface facing the light sources, and the exit surface of the resin layer includes convex portions facing each of the light sources and recess portions respectively disposed between the plurality of convex portions, concave surfaces disposed in each of the plurality of recess portions may have a curvature, and a radius of curvature of the concave surfaces may increase in one direction.
    Type: Application
    Filed: March 19, 2020
    Publication date: May 19, 2022
    Inventors: Young Jae CHOI, Dong Hyun LEE, Ki Chang LEE, Gyeong Il JIN, Moo Ryong PARK
  • Patent number: 11333314
    Abstract: Embodiments of the present invention relate to a lighting apparatus capable of providing three-dimensional effects at the same time as the surface emission of light sources by using a half-mirror member for reflecting and transmitting parts of light. In particular, by adopting the half-mirror member for transmitting a part of and reflecting another part of light emitted from a surface-emitting light source module, the present invention allows the implementation of a mirror-like image when the light is off, and allows the implementation of a light image providing various three-dimensional effects when the light is on.
    Type: Grant
    Filed: January 2, 2021
    Date of Patent: May 17, 2022
    Assignee: LG Innotek Co., Ltd.
    Inventors: Moo Hyun Cho, Ki Beom Kim, Hyun Duck Yang, Ki Chang Lee, Byoung Eon Lee
  • Publication number: 20220148589
    Abstract: An emotion adjustment system for determining a user's emotions based on a user's voice includes: a microphone configured to receive the user's voice; a controller configured to extract a plurality of sound quality factors in response to processing the user's voice, calculate a depression index of the user based on at least one sound quality factor among the plurality of sound quality factors, identify an emotional state of the user as a depressive state when the depression index is a preset value or more, determine the depressive state as a first state or a second state based on a correlation between at least two sound quality factors among the plurality of sound quality factors, and transmit a control command corresponding to the emotional state of the user identified as the first state or the second state; and a feedback device configured to perform an operation corresponding to the control command.
    Type: Application
    Filed: July 30, 2021
    Publication date: May 12, 2022
    Inventors: Ki Chang Kim, Dong Chul Park, Tae Kun Yun, Jin Sung Lee
  • Publication number: 20220093625
    Abstract: A semiconductor memory device including a gate stack and a plurality of channel structures. The gate stack includes a plurality of stacked conductive patterns spaced apart from each other. The plurality of the channel structures are formed through the gate stack. Each of the channel structures includes a first channel pillar, a second channel pillar and a gate insulation layer. The first channel pillar is formed through the conductive patterns except for an uppermost conductive pattern. The second channel pillar is formed through the uppermost conductive pattern. The second channel pillar is configured to make contact with the first channel pillar. The gate insulation layer is interposed between the uppermost conductive pattern and the first and second channel pillars.
    Type: Application
    Filed: January 12, 2021
    Publication date: March 24, 2022
    Applicant: SK hynix Inc.
    Inventors: Ki Chang JEONG, Nam Kuk KIM