Patents by Inventor IN GYU JANG

IN GYU JANG 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: 11749780
    Abstract: An ultraviolet light-emitting diode includes: a substrate; an n-type semiconductor layer disposed on the substrate; a mesa disposed on the n-type semiconductor layer and including an active layer and a p-type semiconductor layer; an n-ohmic contact layer contacting the n-type semiconductor layer; a p-ohmic contact layer contacting the p-type semiconductor layer; an n-bump electrically connected to the n-ohmic contact layer; and a p-bump electrically connected to the p-ohmic contact layer, wherein the mesa includes a plurality of branches, the n-ohmic contact layer surrounds the mesa and is disposed in a region between the branches, each of the n-bump and the p-bump covers an upper surface and a side surface of the mesa, and the p-bump covers at least two of the branches among the plurality of branches. Therefore, an optical output can be increased by reducing light loss, and a forward voltage can be lowered.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: September 5, 2023
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Ju Yong Park, Seong Gyu Jang, Kyu Ho Lee, Joon Hee Lee
  • Publication number: 20230261033
    Abstract: A light emitting diode (LED) stack for a display including a first LED stack including a first conductivity-type semiconductor layer and a second conductivity-type semiconductor layer, a second LED stack disposed on the first LED stack, a third LED stack disposed on the second LED stack, an intermediate bonding layer disposed between the first LED stack and the second LED stack to bond the second LED stack to the first LED stack, an upper bonding layer disposed between the second LED stack and the third LED stack to couple the third LED stack to the second LED stack, and a first hydrophilic material layer disposed between the first LED stack and the upper bonding layer.
    Type: Application
    Filed: April 19, 2023
    Publication date: August 17, 2023
    Inventors: Jong Hyeon CHAE, Seong Gyu Jang, Ho Joon Lee, Chang Yeon Kim, Chung Hoon Lee
  • Patent number: 11710170
    Abstract: According to various example embodiments, a method of providing order-related information by an electronic device may include obtaining order information on or regarding a purchase item and customer information corresponding to the order information, transmitting the order information and the customer information to an external device, receiving, from the external device, sale-related information on or regarding a sales item that corresponds to the purchase item and is for sale by the customer, and providing at least some of the order information and the sale-related information on a first page.
    Type: Grant
    Filed: February 9, 2021
    Date of Patent: July 25, 2023
    Assignee: Coupang Corp.
    Inventors: Qingqing Bai, Xiao Feng, Seon Il Kim, Hyun Gyu Jang, Su Jin Kyung, Jeong Min Yun, Weili Liu, Prakash Kadel, Ku Kang, Mengyuan Peng, Ki Woong Jang
  • Publication number: 20230231404
    Abstract: There is provided a battery system including: a controller; a main switch controlled by the controller to supply or cut off a voltage of a battery to a load; and a semiconductor pre-charger module including a semiconductor switch connected in parallel with the main switch and configured to supply or cut off the voltage of the battery to the load according to a control signal output from the controller, and a semiconductor switch driver configured to receive the control signal from the controller and output a single pulse signal for driving the semiconductor switch to turn on and off the semiconductor switch. Here, the semiconductor switch driver of the semiconductor pre-charger module includes an isolation element configured to electrically isolate the controller and the battery voltage, and the semiconductor switch of the semiconductor pre-charger module is a MOS-controlled thyristor (MCT).
    Type: Application
    Filed: January 11, 2023
    Publication date: July 20, 2023
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Dong Yun JUNG, Kun Sik PARK, JONG IL WON, Hyun-Gyu JANG, Doohyung CHO, Jong-Won LIM
  • Publication number: 20230223424
    Abstract: A light emitting diode (LED) pixel for a display including a first LED stack having a first well layer, a second LED stack disposed on the first LED stack and having a second well layer, a third LED stack disposed on the second LED stack and having a third well layer, a first electrode disposed on the first LED stack and in ohmic contact with the first LED stack, a second electrode disposed on the second LED stack and in ohmic contact with a surface of the second LED stack, and a third electrode in ohmic contact with a surface of the third LED stack, in which the first well layer includes at least one base material different from that of the second well layer.
    Type: Application
    Filed: March 15, 2023
    Publication date: July 13, 2023
    Inventors: Jong Hyeon CHAE, Chung Hoon Lee, Seong Gyu Jang, Chang Yeon Kim, Ho Joon Lee
  • Publication number: 20230189616
    Abstract: A display device includes: a substrate; a first electrode on the substrate; a bank layer partially exposing a top surface of the first electrode; a light emitting layer disposed on the partially exposed top surface of the first electrode; a second electrode on the light emitting layer and the bank layer; an inorganic deposition layer on the second electrode; and a thin film encapsulation layer on the inorganic deposition layer, where at a wavelength of about 550 nm, an absorption coefficient (k) of the inorganic deposition layer is less than about 4.
    Type: Application
    Filed: July 27, 2022
    Publication date: June 15, 2023
    Inventors: Woo Young KIM, Hyeo Ji KANG, Oh Jeong KWON, Kyeong Jong KIM, Hong Yeon LEE, Sung Gyu JANG, Seung Yeon JEONG
  • Publication number: 20230168356
    Abstract: Proposed is an object information generating system including an object detector generating object information on the basis of object detection signals and a processor controlling the object detector. The processor determines an area of interest of a field of view (FOV) of the object detector and generates the object information for the area of interest with the object detector.
    Type: Application
    Filed: October 28, 2022
    Publication date: June 1, 2023
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Tae Yun LEE, Jin Gyu JANG, Tae Yoon SON, Duk Yun CHO
  • Patent number: 11664410
    Abstract: A light emitting diode (LED) stack for a display including a first LED stack including a first conductivity-type semiconductor layer and a second conductivity-type semiconductor layer, a second LED stack disposed on the first LED stack, a third LED stack disposed on the second LED stack, an intermediate bonding layer disposed between the first LED stack and the second LED stack to bond the second LED stack to the first LED stack, an upper bonding layer disposed between the second LED stack and the third LED stack to couple the third LED stack to the second LED stack, and a first hydrophilic material layer disposed between the first LED stack and the upper bonding layer.
    Type: Grant
    Filed: November 4, 2021
    Date of Patent: May 30, 2023
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Jong Hyeon Chae, Seong Gyu Jang, Ho Joon Lee, Chang Yeon Kim, Chung Hoon Lee
  • Patent number: 11664409
    Abstract: A light emitting diode (LED) stack for a display including a substrate, a first LED stack disposed on the substrate, a second LED stack disposed on the first LED stack, a third LED stack disposed on the second LED stack, a first color filter interposed between the first LED stack and the second LED stack, and a second color filter interposed between the second LED stack and the third LED stack, in which the second LED stack and the third LED stack are configured to transmit light generated from the first LED stack to the outside, and the third LED stack is configured to transmit light generated from the second LED stack to the outside.
    Type: Grant
    Filed: July 2, 2021
    Date of Patent: May 30, 2023
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Jong Hyeon Chae, Chung Hoon Lee, Seong Gyu Jang, Chang Yeon Kim, Ho Joon Lee
  • Publication number: 20230143510
    Abstract: A light emitting device for a display including a transparent member laterally extending in a first direction and having a first region and a second region surrounding the first region, first to third light emission regions disposed on the transparent member, a support substrate, first to fourth electrode pads disposed between the transparent member and the support substrate, and vias electrically connecting the electrode pads to the light emission regions, respectively, in which the fourth electrode pad is electrically connected to at least one of the vias, each light emission region is disposed in the first region and does not overlap the second region in a second direction, and the fourth electrode pad overlaps one of the vias and one of the light emission regions in the second direction, and the one of the vias and the one of the light emission regions are separated from each other.
    Type: Application
    Filed: December 12, 2022
    Publication date: May 11, 2023
    Inventors: Jong Hyeon CHAE, Chung Hoon LEE, Chang Yeon KIM, Seong Gyu JANG, Ho Joon LEE, Jong Min JANG
  • Publication number: 20230128703
    Abstract: A light emitting device for a display including a first LED sub-unit, a second LED sub-unit disposed on the first LED sub-unit, a third LED sub-unit disposed on the second LED sub-unit, electrode pads disposed below the first LED sub-unit, and a planarization layer disposed between the first and second LED sub-units and being light transmissive, in which the electrode pads include a common electrode pad electrically connected in common to the first, second, and third LED sub-units, first, second, and third electrode pads connected to the first, second, and third LED sub-units, respectively, the first, second, and third LED sub-units are independently drivable, light generated in the first LED sub-unit is configured to be emitted to the outside through the second and third LED sub-units, and light generated in the second LED sub-unit is configured to be emitted to the outside through the third LED sub-unit.
    Type: Application
    Filed: December 22, 2022
    Publication date: April 27, 2023
    Inventors: Chang Yeon KIM, Jong Hyeon CHAE, Jong Min JANG, Ho Joon LEE, Seong Gyu JANG
  • Patent number: 11637192
    Abstract: The present invention forms an off-FET channel having a uniform and short length by using a self-align process of a method of forming and recessing a spacer, thereby enhancing the current driving capability of an off-FET and the uniformity of a device operation.
    Type: Grant
    Filed: June 23, 2021
    Date of Patent: April 25, 2023
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Kun Sik Park, Jong Il Won, Doo Hyung Cho, Hyun Gyu Jang, Dong Yun Jung
  • Publication number: 20230121389
    Abstract: A light emitting device for a display including a first LED sub-unit laterally extending along a first direction, a second LED sub-unit, and a third LED sub-unit, electrode pads each overlapping at least a portion of the first LED sub-unit along a vertical direction and electrically connected to at least one of the first, second, and third LED sub-units, a lower insulation layer having a first surface extending in the first direction, a molding member covering each of the first LED sub-unit, the second LED sub-unit, and the third LED sub-unit, and lead electrodes electrically connected to the electrode pads and extending along the first surface and a side surface of the lower insulation layer, in which a portion of an outer region of each of the lead electrodes is disposed inside the outer boundary of the molding member when viewed in a cross-section.
    Type: Application
    Filed: December 19, 2022
    Publication date: April 20, 2023
    Inventors: Jong Hyeon CHAE, Ho Joon LEE, Seong Gyu JANG
  • Publication number: 20230111640
    Abstract: The present invention relates to a moving object sensing system and method based on motion propensity, which determine the of randomness based on an internal object motion propensity of a vehicle by using various sensors installed in the vehicle and quickly and accurately check and sense a separate external object through comparison with a reference randomness like luggage or a person.
    Type: Application
    Filed: December 23, 2021
    Publication date: April 13, 2023
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Tae Yun LEE, Tae Yoon SON, Jin Gyu JANG
  • Publication number: 20230107772
    Abstract: A display apparatus including a substrate, and pixel regions and at least one separation region between the pixel regions, each pixel region including a first LED stack, a second LED stack adjacent to the first LED stack, a third LED stack adjacent to the second LED stack and each having a side surface forming a first angle, a second angle, and a third angle with the substrate, respectively, electrode pads electrically connected to the first, second, and third LED stacks, and an insulation layer disposed on at least one of the first, second, and third LED stacks, in which the first LED stack is configured to emit light having a longer peak wavelength than that emitted from the second and third LED stacks, and the first angle is different from the second and third angles.
    Type: Application
    Filed: December 7, 2022
    Publication date: April 6, 2023
    Inventors: Jong Hyeon CHAE, Chang Yeon KIM, Seong Gyu JANG, Ho Joon LEE, Jong Min JANG, Dae Sung CHO
  • Publication number: 20230087416
    Abstract: A MOS controlled thyristor device according to the concept of the present invention includes a substrate comprising a first surface and a second surface, which face each other, gate patterns disposed on the first surface, a cathode electrode configured to cover the gate patterns, and an anode electrode disposed on the second surface, The substrate includes a lower emitter layer having a first conductive type, a lower base layer having a second conductive type on the lower emitter layer, an upper base region provided in an upper portion of the lower emitter layer and having a first conductive type, wherein the upper base region is configured to expose a portion of a top surface of the lower base layer, an upper emitter region having a second conductive type and provided in an upper portion of the upper base region, a first doped region having a first conductive type and a second doped region surrounded by the first doped region and having a second conductive type, wherein the first and second doped regions are
    Type: Application
    Filed: June 10, 2021
    Publication date: March 23, 2023
    Inventors: Kun Sik PARK, Jong II WON, Doo Hyung CHO, Dong Yun JUNG, Hyun GYu Jang
  • Patent number: 11610939
    Abstract: A light emitting diode (LED) pixel for a display including a first LED stack, a second LED stack disposed on a partial region of the first LED stack, a third LED stack disposed on a partial region of the second LED stack, a first ohmic electrode disposed on the first LED stack and forming ohmic contact with the first LED stack, a second transparent electrode disposed between the second LED stack and the third LED stack and in ohmic contact with an upper surface of the second LED stack, and a third transparent electrode in ohmic contact with an upper surface of the third LED stack, in which the first ohmic electrode is laterally spaced apart from the second LED stack.
    Type: Grant
    Filed: July 2, 2021
    Date of Patent: March 21, 2023
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Jong Hyeon Chae, Chung Hoon Lee, Seong Gyu Jang, Chang Yeon Kim, Ho Joon Lee
  • Publication number: 20230085533
    Abstract: The present invention comprises the steps of contacting a boron nitride nanotube and a stabilizer in a solvent, and removing a portion of the solvent to obtain a liquid crystal composition including a liquid crystal in which at least a portion of the stabilizer is adsorbed on the surface of the boron nitride nanotube.
    Type: Application
    Filed: December 16, 2021
    Publication date: March 16, 2023
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Se Gyu JANG, Hong Jin LIM, Seok Hoon AHN, Hun Su LEE, Yong Ho JOO, Sang Seok LEE, Hyun Jin CHO
  • Publication number: 20230071708
    Abstract: A light emitting device including first, second, and third light emitting parts one over another along a first direction, a first conductive pattern at least partially disposed between the second and third light emitting parts and including a first portion extending in a second direction perpendicular to the first direction and electrically coupled with the second light emitting part, and a second portion extending from one end of the first portion, a second conductive pattern disposed on and electrically coupled to the third light emitting part, and a first passivation covering the first light emitting part and including a first portion extending in the second direction and a second portion extending from one end of the first portion and forming an inclined angle with the second direction, in which the first conductive pattern at least partially overlaps with the second portion of the first passivation.
    Type: Application
    Filed: November 8, 2022
    Publication date: March 9, 2023
    Inventors: Seong Gyu JANG, Chan Seob SHIN, Seom Geum LEE, Ho Joon Lee, Jong Hyeon CHAE
  • Publication number: 20230033645
    Abstract: A light emitting diode pixel for a display includes a first subpixel including a first LED sub-unit, a second subpixel including a second LED sub-unit, a third subpixel including a third LED sub-unit, and a bonding layer overlapping the first, second, and third subpixels, in which each of the first, second, and third LED sub-units includes a first type of semiconductor layer and a second type of semiconductor layer, each of the first, second, and third LED sub-units is disposed on a different plane, and light generated from the second subpixel is configured to be emitted to an outside of the light emitting diode pixel by passing through a lesser number of LED sub-units than light generated from the first subpixel and emitted to the outside.
    Type: Application
    Filed: October 10, 2022
    Publication date: February 2, 2023
    Inventors: Seong Gyu JANG, Ho Joon Lee, Jong Hyeon Chae, Chung Hoon Lee