Patents by Inventor Yong-Seok Park

Yong-Seok Park 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: 11974455
    Abstract: A display device includes a substrate; a light-emitting element layer on the substrate; a first thin-film encapsulation layer that is on the light-emitting element layer, has an upper surface conforming an upper surface of the light-emitting element layer, and includes a recessed portion; a bank layer on the first thin-film encapsulation layer and having an opening overlapping the recessed portion; a wavelength conversion layer in the opening on the first thin-film encapsulation layer and at least partially in the recessed portion; a first inorganic layer on the bank layer and the wavelength conversion layer; an organic layer on the first inorganic layer; and a second inorganic layer on the organic layer.
    Type: Grant
    Filed: September 3, 2021
    Date of Patent: April 30, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Myung Chul Yeo, Yong Tack Kim, Eung Seok Park, Hee Wook Yoon, Yoon Hyeung Cho
  • Patent number: 11961480
    Abstract: A scan driver and an organic light emitting display apparatus including the same, where a narrow bezel is realized, are provided. The scan driver includes a plurality of stages, wherein each of the plurality of stages includes a Q1 node controller controlling a voltage of a Q1 node by using first and second clock signals whose phases are opposite to each other, a QB node controller controlling a voltage of a QB node by using the first and second clock signals, an output clock signal, and a start signal, a first transistor outputting a gate low voltage as a scan signal while the QB node is activated, and a second transistor outputting a gate high voltage as the scan signal while a Q2 node is activated, and outputting the gate low voltage as the scan signal when the Q2 node is bootstrapped to a voltage lower than the gate low voltage.
    Type: Grant
    Filed: September 27, 2022
    Date of Patent: April 16, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Yong Seok Park
  • Publication number: 20240103438
    Abstract: A method and a system thereof for producing a digital holographic screen based on multi-hogel printing are proposed. The system includes a light source unit including lasers, a dichroic mirror for RGB three color matching, mirrors, a beam splitter, and an optical shutter, an object beam unit including a spatial filter, a lens, and a mirror, a reference beam unit including a spatial filter, a lens, and a mirror, a diffuser fixing unit including a diffuser holder and a diffuser positioned between the object beam unit and a recording material and configured to scatter and diffuse the object beam, a photomask movement unit including a photomask holder, an XY-translation stage, and a photomask positioned between the reference beam unit and the recording medium and on which a grid-shaped on/off binary pattern is printed, and a controller configured to control the optical shutter and the XY-translation stage.
    Type: Application
    Filed: November 11, 2021
    Publication date: March 28, 2024
    Inventors: Dong Hak SHIN, Yong Seok OH, Jae Hong KIM, Jong sung JUNG, Jae Woo PARK, Jun Yong CHOI
  • Patent number: 11935984
    Abstract: A quantum dot including a core that includes a first semiconductor nanocrystal including zinc and selenium, and optionally sulfur and/or tellurium, and a shell that includes a second semiconductor nanocrystal including zinc, and at least one of sulfur or selenium is disclosed. The quantum dot has an average particle diameter of greater than or equal to about 13 nm, an emission peak wavelength in a range of about 440 nm to about 470 nm, and a full width at half maximum (FWHM) of an emission wavelength of less than about 25 nm. A method for preparing the quantum dot, a quantum dot-polymer composite including the quantum dot, and an electronic device including the quantum dot is also disclosed.
    Type: Grant
    Filed: December 14, 2022
    Date of Patent: March 19, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong Seok Han, Sung Woo Kim, Jin A Kim, Tae Hyung Kim, Kun Su Park, Yuho Won, Jeong Hee Lee, Eun Joo Jang, Hyo Sook Jang
  • Publication number: 20240080983
    Abstract: A device for fixing a camera module, includes a base part; and a fixing unit including a first fixing part for supporting one side of each of a plurality of boards, and a second fixing part for supporting the other side facing one side of each of the plurality of boards, wherein a plurality of first fixing parts extends in a first direction from the base part, and includes a plurality of protruding parts protruding in the direction perpendicular to the first direction in order to support one side of each of the plurality of boards, and a plurality of second fixing parts extends in the first direction from the base part, and includes a plurality of protruding parts for supporting the other side of each of the plurality of boards.
    Type: Application
    Filed: November 13, 2023
    Publication date: March 7, 2024
    Inventors: Kwang Sung KIM, Ji Hwan PARK, Yong Tae PARK, Beom Seok YU
  • Patent number: 11925051
    Abstract: A display device includes: a first base having a display area; light-emitting elements on the first base; and an encapsulation layer over the light-emitting elements. The encapsulation layer includes: a first inorganic layer; an organic layer on the first inorganic layer; and a second inorganic layer on the organic layer. The first inorganic layer includes: a first buffer layer on the light-emitting elements; a first barrier layer on the first buffer layer; a first porous layer on the first barrier layer; a second barrier layer on the first porous layer; and a second buffer layer on the second barrier layer. A refractive index of the first buffer layer, the first barrier layer, and the first porous layer are different from one another, and the refractive index of the first porous layer is smaller than the refractive index of the first buffer layer and the first barrier layer.
    Type: Grant
    Filed: May 7, 2021
    Date of Patent: March 5, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong Tack Kim, Eung Seok Park, Jae Hyuk Lee, Yoon Hyeung Cho, Dong Uk Choi
  • Publication number: 20240034194
    Abstract: An embodiment method of operating a battery pre-conditioning system includes checking charging station information including an estimated waiting time for a charging start from arrival at a charging station when an input for a destination corresponds to the charging station and starting a battery warming based on a target temperature reaching time for a battery temperature to reach a target temperature, the estimated waiting time, and a remaining time until the arrival at the charging station.
    Type: Application
    Filed: December 6, 2022
    Publication date: February 1, 2024
    Inventors: Jin Woo Yang, Yong Seok Park
  • Publication number: 20230398833
    Abstract: Proposed is a headliner air vent device for a vehicle. A housing includes a first outlet through which air is discharged and a second outlet comparted by an inner cover and having a configuration by which air is discharged through outside the first outlet. An air guide supporter is rotatable inside the housing. An air guide is positioned to face an outer cover by which the second outlet is defined. The air guide is configured to move upwards or downwards in response to rotation of the air guide supporter to selectively open or close the second outlet.
    Type: Application
    Filed: December 9, 2022
    Publication date: December 14, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, ITW EF&C KOREA LLC.
    Inventors: Bong Kyung Son, Dong Won Yeon, Myung Hun Kang, Yong Seok Park, Keong No Kim, Chun Ha Kim
  • Publication number: 20230226921
    Abstract: A system and method for controlling charge and discharge using paddle braking, which is capable of improving energy efficiency of an entire system by scheduling other loads except for a drive motor and using some of the energy generated by regenerative braking to operate the loads according to the scheduling thereof without storing it in a battery, includes an input unit configured to input a braking command to a vehicle, a regenerative braking unit configured to perform driving and regenerative braking of the vehicle, a load unit including a plurality of other loads using electrical energy charged in a battery, and a control unit configured to receive the braking command and control braking and regenerative braking.
    Type: Application
    Filed: September 20, 2022
    Publication date: July 20, 2023
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Yong Seok PARK, Jin Woo YANG, Seung Jae YOO
  • Patent number: 11610530
    Abstract: An electroluminescence display apparatus includes a display panel including a display area including a plurality of pixel lines and a non-display area including a gate driving circuit supplying a gate signal to the plurality of pixel lines, and each of the plurality of pixel lines includes a plurality of pixels, each of the plurality of pixels includes a pixel driving circuit and a light emitting device, each of the pixel driving circuit and the gate driving circuit is implemented with a p-type transistor and an n-type transistor, and the gate driving circuit supplies a gate signal to the n-type transistor of the pixel driving circuit, so that a stably output can be provided, and the non-display area of the display panel can be reduced.
    Type: Grant
    Filed: August 23, 2022
    Date of Patent: March 21, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Yong Seok Park, Sung Jin Lee, Jae Yong You
  • Publication number: 20230020231
    Abstract: A scan driver and an organic light emitting display apparatus including the same, where a narrow bezel is realized, are provided. The scan driver includes a plurality of stages, wherein each of the plurality of stages includes a Q1 node controller controlling a voltage of a Q1 node by using first and second clock signals whose phases are opposite to each other, a QB node controller controlling a voltage of a QB node by using the first and second clock signals, an output clock signal, and a start signal, a first transistor outputting a gate low voltage as a scan signal while the QB node is activated, and a second transistor outputting a gate high voltage as the scan signal while a Q2 node is activated, and outputting the gate low voltage as the scan signal when the Q2 node is bootstrapped to a voltage lower than the gate low voltage.
    Type: Application
    Filed: September 27, 2022
    Publication date: January 19, 2023
    Applicant: LG DISPLAY CO., LTD.
    Inventor: Yong Seok PARK
  • Publication number: 20220398960
    Abstract: An electroluminescence display apparatus includes a display panel including a display area including a plurality of pixel lines and a non-display area including a gate driving circuit supplying a gate signal to the plurality of pixel lines, and each of the plurality of pixel lines includes a plurality of pixels, each of the plurality of pixels includes a pixel driving circuit and a light emitting device, each of the pixel driving circuit and the gate driving circuit is implemented with a p-type transistor and an n-type transistor, and the gate driving circuit supplies a gate signal to the n-type transistor of the pixel driving circuit, so that a stably output can be provided, and the non-display area of the display panel can be reduced.
    Type: Application
    Filed: August 23, 2022
    Publication date: December 15, 2022
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Yong Seok PARK, Sung Jin LEE, Jae Yong YOU
  • Patent number: 11508310
    Abstract: A scan driver and an organic light emitting display apparatus including the same, where a narrow bezel is realized, are provided. The scan driver includes a plurality of stages, wherein each of the plurality of stages includes a Q1 node controller controlling a voltage of a Q1 node by using first and second clock signals whose phases are opposite to each other, a QB node controller controlling a voltage of a QB node by using the first and second clock signals, an output clock signal, and a start signal, a first transistor outputting a gate low voltage as a scan signal while the QB node is activated, and a second transistor outputting a gate high voltage as the scan signal while a Q2 node is activated, and outputting the gate low voltage as the scan signal when the Q2 node is bootstrapped to a voltage lower than the gate low voltage.
    Type: Grant
    Filed: June 9, 2021
    Date of Patent: November 22, 2022
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Yong Seok Park
  • Publication number: 20220361685
    Abstract: The present invention relates to a flame-retardant nonwoven fabric for a mattress, and a flame-retardant nonwoven fabric for mattresses comprising flame-retardant rayon (FR-Rayon) staple fibers of 20 to 50% by weight; modacrylic staple fibers of 30 to 60% by weight; polyimide (PI) staple fibers of 10 to 30% by weight; and low melting polyester (LM PET) staple fibers of 5 to 20% by weight provides enhanced flame retarding and mechanical properties.
    Type: Application
    Filed: June 10, 2021
    Publication date: November 17, 2022
    Applicant: DITGreen Co., Ltd.
    Inventors: Soon-yong PARK, Jae-ryong MOON, Yong-dug CHOI, Hyo-sup CHANG, Yong-seok PARK, Woo-hyung LEE, Bo-gyeong CHA
  • Patent number: 11450257
    Abstract: An electroluminescence display apparatus includes a display panel including a display area including a plurality of pixel lines and a non-display area including a gate driving circuit supplying a gate signal to the plurality of pixel lines, and each of the plurality of pixel lines includes a plurality of pixels, each of the plurality of pixels includes a pixel driving circuit and a light emitting device, each of the pixel driving circuit and the gate driving circuit is implemented with a p-type transistor and an n-type transistor, and the gate driving circuit supplies a gate signal to the n-type transistor of the pixel driving circuit, so that a stably output can be provided, and the non-display area of the display panel can be reduced.
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: September 20, 2022
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Yong Seok Park, Sung Jin Lee, Jae Yong You
  • Publication number: 20220250445
    Abstract: A vehicle air vent apparatus according to one embodiment of the present invention is an apparatus which guides air introduced from a vehicle air conditioner into a vehicle using a direct wind mode or indirect wind mode. The vehicle air vent apparatus includes a duct part including an entrance and an exit of an air passage communicating with the vehicle air conditioner, a cover part configured to selectively close the exit of the duct part, a vent part configured to adjust a wind direction of air introduced into the vehicle through the exit of the duct part and including a rack disposed under a body of the vent part and extending in a longitudinal front-rear direction of the vehicle, and a driving part configured to change a position of the cover part and a position of the vent part according to a preset logic.
    Type: Application
    Filed: May 17, 2021
    Publication date: August 11, 2022
    Inventors: Seung Cheol KIM, Chun Ha KIM, Yong Seok PARK
  • Patent number: 11368421
    Abstract: A terminal device is provided. The terminal device includes an input unit configured to receive an input of a user command inviting a non-subscriber of a messaging service to join a messaging group, and a communication unit configured to transmit a request for invitation information to a server, when the invitation information is received from the server, to transmit an invitation message including the invitation information and an application installation Uniform Resource Locator (URL) to a non-subscriber terminal, and when a join result of the non-subscriber joining the messaging service is received, to transmit a request for an invitation of the non-subscriber to the messaging group.
    Type: Grant
    Filed: August 5, 2019
    Date of Patent: June 21, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong Seok Park, Hyo Jin Jung, Jae Young Lee
  • Publication number: 20220172659
    Abstract: An electroluminescence display apparatus includes a display panel including a display area including a plurality of pixel lines and a non-display area including a gate driving circuit supplying a gate signal to the plurality of pixel lines, and each of the plurality of pixel lines includes a plurality of pixels, each of the plurality of pixels includes a pixel driving circuit and a light emitting device, each of the pixel driving circuit and the gate driving circuit is implemented with a p-type transistor and an n-type transistor, and the gate driving circuit supplies a gate signal to the n-type transistor of the pixel driving circuit, so that a stably output can be provided, and the non-display area of the display panel can be reduced.
    Type: Application
    Filed: August 27, 2021
    Publication date: June 2, 2022
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Yong Seok PARK, Sung Jin LEE, Jae Yong YOU
  • Publication number: 20220084470
    Abstract: A scan driver and an organic light emitting display apparatus including the same, where a narrow bezel is realized, are provided. The scan driver includes a plurality of stages, wherein each of the plurality of stages includes a Q1 node controller controlling a voltage of a Q1 node by using first and second clock signals whose phases are opposite to each other, a QB node controller controlling a voltage of a QB node by using the first and second clock signals, an output clock signal, and a start signal, a first transistor outputting a gate low voltage as a scan signal while the QB node is activated, and a second transistor outputting a gate high voltage as the scan signal while a Q2 node is activated, and outputting the gate low voltage as the scan signal when the Q2 node is bootstrapped to a voltage lower than the gate low voltage.
    Type: Application
    Filed: June 9, 2021
    Publication date: March 17, 2022
    Applicant: LG Display Co., Ltd.
    Inventor: Yong Seok PARK
  • Patent number: 11159594
    Abstract: The present invention relates to technology for a sensor network, machine to machine (M2M) communication, machine type communication (MTC), and the Internet of things (IoT). The present invention can be utilized for intelligent services (smart home, smart building, smart city, smart car or connected car, health care, digital education, retail business, security and safety-related services, and the like) based on the technology. The present invention relates to a streaming service data receiving method of a terminal in a mobile communication system for supporting a plurality of radio access interfaces, the method comprising a step of receiving streaming service data from a server through at least one of the plurality of radio access interfaces, wherein the at least one radio access interface is selected such that the streaming service data can be received at a network speed corresponding to an encoding bit rate to be applied to the streaming service.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: October 26, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chul-Ho Lee, Namasivayam Ramkumar Ganapathy, Jin-Hyoung Kim, Yong-Seok Park, Jin-Ho Lee