Patents Assigned to POINT ENGINEERING CO., LTD
  • Patent number: 11193955
    Abstract: The present invention provides a guide plate for a probe card. The guide plate for the probe card according to the present invention includes: a first guide plate including a plurality of first pin insertion holes formed therein, and made of an anodic oxide film; and a second guide plate disposed to be spaced apart from the first guide plate by a predetermined distance, and including a plurality of second pin insertion holes through which probe pins passing through the first pin insertion holes pass, wherein a buffer part is provided at least partially on each of an upper portion and a lower portion of the first guide plate.
    Type: Grant
    Filed: February 18, 2020
    Date of Patent: December 7, 2021
    Assignee: POINT ENGINEERING CO., LTD.
    Inventors: Bum Mo Ahn, Seung Ho Park, Sung Hyun Byun
  • Patent number: 11152534
    Abstract: The present invention relates to a transfer head and a method of manufacturing a micro LED display using the same. In particular, the present invention relates to a transfer head and a method of manufacturing a micro LED display using the same, the transfer head mounting normal micro LEDs on a display substrate without performing a complicated process of sorting out defective micro LEDs from the micro LEDs mounted on the display substrate and replacing the defective micro LEDs with normal micro LEDs.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: October 19, 2021
    Assignee: POINT ENGINEERING CO., LTD.
    Inventors: Bum Mo Ahn, Seung Ho Park, Tae Hwan Song
  • Patent number: 11145788
    Abstract: The present invention relates generally to a micro LED transfer head transferring a micro light-emitting diode (micro LED) from a first substrate to a second substrate. More particularly, the present invention relates to a micro LED transfer head holding and transferring a micro LED in which holding portions and surrounding areas of the holding portions are configured of different materials.
    Type: Grant
    Filed: January 3, 2020
    Date of Patent: October 12, 2021
    Assignee: POINT ENGINEERING CO., LTD.
    Inventors: Bum Mo Ahn, Seung Ho Park, Sung Hyun Byun
  • Patent number: 11133209
    Abstract: Disclosed is a transfer head for transferring micro-LEDs from a first substrate to a second substrate, particularly, using a vacuum adsorption method. The transfer head includes a porous member having a plurality of pores, in which the micro-LEDs are transferred by creating or releasing a vacuum pressure in the pore of the porous member.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: September 28, 2021
    Assignee: POINT ENGINEERING CO., LTD.
    Inventors: Bum Mo Ahn, Seung Ho Park, Sung Hyun Byun
  • Patent number: 11069584
    Abstract: The present invention relates to an inspection method for a micro LED, the method being configured to inspect whether the micro LED is defective.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: July 20, 2021
    Assignee: POINT ENGINEERING CO., LTD.
    Inventors: Bum Mo Ahn, Seung Ho Park
  • Patent number: 11069839
    Abstract: Disclosed is an optical component package. The optical component package according to the present invention includes: a main substrate including a plurality of metal bodies, and a vertical insulation part provided between the metal bodies; a sub-substrate provided in a cavity of the main substrate, and electrically connected to each of the metal bodies with the vertical insulation part interposed therebetween; an optical component mounted on the sub-substrate; and a light transmitting member provided above the optical component, wherein the sub-substrate includes: an insulating body; a via hole vertically passing through the insulating body, and filled with a metal material; and a metal pad connected to the optical component.
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: July 20, 2021
    Assignee: POINT ENGINEERING CO., LTD.
    Inventors: Bum Mo Ahn, Seung Ho Park, Moon Hyun Kim
  • Patent number: 11061070
    Abstract: Disclosed is a guide plate for a probe card guiding a probe pin of the probe card and a manufacturing method thereof, and the probe card having the same. Particularly, the guide plate and a manufacturing method thereof, and the probe card securing reliability of the probe card are intended to be provided, wherein probe pins are easily inserted into the guide plate, and pin insertion holes into which the probe pins are inserted are precisely formed in a small size.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: July 13, 2021
    Assignee: POINT ENGINEERING CO., LTD.
    Inventors: Bum Mo Ahn, Seung Ho Park, Sung Hyun Byun
  • Patent number: 11049759
    Abstract: The present invention relates to a micro LED transfer head transferring micro LEDs from a first substrate to a second substrate. According to the present invention, vacuum pressure of a grip region where the micro LEDs are gripped is uniformized, so that the micro LED transfer head transfers the micro LEDs efficiently. In addition, the vacuum pressure is distributed over a grip surface where the micro LEDs are gripped, thereby improving efficiency of transferring the micro LEDs.
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: June 29, 2021
    Assignee: POINT ENGINEERING CO., LTD.
    Inventors: Bum Mo Ahn, Seung Ho Park, Sung Hyun Byun
  • Patent number: 10998136
    Abstract: Provided is a three-dimensional (3D) capacitor including conductors formed at a high density inside holes of an anodic oxide film, and a first electrode layer and a second electrode layer electrically connected to the conductors. Thus, a high capacitance relative to a size of the 3D capacitor may be easily achieved.
    Type: Grant
    Filed: June 9, 2017
    Date of Patent: May 4, 2021
    Assignee: Point Engineering Co., Ltd.
    Inventors: Bum Mo Ahn, Seung Ho Park, Sung Hyun Byun
  • Patent number: 10964871
    Abstract: The present invention relates to a micro LED structure and a method of manufacturing the same. More particularly, the present invention relates to a micro LED structure and a method of manufacturing the same, the micro LED structure including: a micro LED; a circuit board driving the micro LED; and an anisotropic conductive anodic oxide film provided between the micro LED and the circuit board to electrically connect the circuit board and the micro LED. According to the present invention, without applying an external force (thermocompression bonding) to the anisotropic conductive anodic oxide film, it is possible to electrically connect the circuit board and the micro LED. In addition, it is possible to obtain characteristics such as uniform conductivity in a vertical direction and heat dissipation.
    Type: Grant
    Filed: June 17, 2020
    Date of Patent: March 30, 2021
    Assignee: POINT ENGINEERING CO., LTD.
    Inventors: Bum Mo Ahn, Seung Ho Park, Tae Hwan Song
  • Patent number: 10889009
    Abstract: The present invention relates to a transfer head gripping and transferring micro LEDs from a first substrate to a second substrate. More particularly, the present invention relates to a transfer head gripping and transferring micro LEDs in a batch manner without any error even when there is a height difference of the micro LEDs.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: January 12, 2021
    Assignee: POINT ENGINEERING CO., LTD.
    Inventors: Bum Mo Ahn, Seung Ho Park, Sung Hyun Byun
  • Patent number: 10886446
    Abstract: The present invention relates generally to a micro LED structure and a method of manufacturing the same, and more particularly to a micro LED structure having an anisotropic conductive film between a micro LED and a target substrate to which the micro LED is bonded for electrically connect the micro LED and the target substrate together, and a method of manufacturing the same.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: January 5, 2021
    Assignee: POINT ENGINEERING CO., LTD.
    Inventors: Bum Mo Ahn, Seung Ho Park, Sung Hyun Byun
  • Patent number: 10879105
    Abstract: The present invention relates to a micro LED transfer head and a system using the same for transferring a micro LED, the micro LED transfer head and the system being capable of increasing the efficiency of transferring micro LEDs with vacuum-suction by the micro LED transfer head, removing a factor that interferes with a grip force of the micro LED transfer head gripping the micro LEDs to improve the transfer efficiency of the micro LED transfer head, and preventing foreign substances from entering into a space where the micro LED transfer head is cleaned while cleaning a grip surface of the micro LED transfer head to improve the efficiency of cleaning the grip surface of the micro LED transfer head.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: December 29, 2020
    Assignee: POINT ENGINEERING CO., LTD.
    Inventors: Bum Mo Ahn, Seung Ho Park, Sung Hyun Byun
  • Patent number: 10872828
    Abstract: The present invention relates to an inspection and replacement method for a micro LED, the method being configured to inspect whether the micro LED is defective and replace a defective micro LED with a normal micro LED. More particularly, the present invention relates to an inspection and replacement method for a micro LED in which when micro LEDs are transferred to a display substrate, the micro LEDs are inspected so as to detect and remove a defective micro LED, and a normal micro LED is placed at a position where the defective micro LED is removed so as to be replaced with the defective micro LED.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: December 22, 2020
    Assignee: POINT ENGINEERING CO., LTD.
    Inventors: Bum Mo Ahn, Seung Ho Park
  • Patent number: 10868221
    Abstract: A method for manufacturing a chip-mounting substrate includes a pre-coating step of forming a precoat on a substrate including a plurality of conductive portions and an insulating portion interposed between the conductive portions, an etching step of etching at least a portion of the precoat through a laser to form a pattern, and a step of forming a metal layer on the substrate. The pattern is disposed on at least one of the conductive portions, and the metal layer is formed in the pattern.
    Type: Grant
    Filed: February 14, 2020
    Date of Patent: December 15, 2020
    Assignee: POINT ENGINEERING CO., LTD.
    Inventors: Bum Mo Ahn, Seung Ho Park, Tae Hwan Song
  • Patent number: 10840115
    Abstract: The present invention relates to a micro LED transfer head improving efficiency of transferring micro LEDs.
    Type: Grant
    Filed: July 1, 2019
    Date of Patent: November 17, 2020
    Assignee: POINT ENGINEERING CO., LTD
    Inventors: Bum Mo Ahn, Seung Ho Park, Sung Hyun Byun
  • Patent number: 10710102
    Abstract: A fluid permeable member includes a support body provided in a lower portion thereof with a support plate having a fluid permeable through-hole, and a fluid permeable anodic oxide film disposed on the support plate.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: July 14, 2020
    Assignee: POINT ENGINEERING CO., LTD.
    Inventors: Bum Mo Ahn, Seung Ho Park, Tae Hwan Song
  • Patent number: 10705064
    Abstract: Disclosed is a microsensor package. Particularly, disclosed is a microsensor package configured such that a substrate with a sensor electrode is formed with a plurality of pores penetrating vertically therethrough, the lower surface of the substrate is formed with a bonding portion, and the pores under the sensor electrode pad are provided therein with respective connecting portions electrically connecting the sensor electrode pad and the bonding portion, whereby it is possible to provide a light, slim, and compact microsensor package, and it is possible to mount the microsensor package to a printed circuit board (PCB) without wire bonding.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: July 7, 2020
    Assignee: POINT ENGINEERING CO., LTD.
    Inventors: Bum Mo Ahn, Seung Ho Park, Tae Hwan Song
  • Patent number: 10707394
    Abstract: The present invention relates to a micro LED structure and a method of manufacturing the same. More particularly, the present invention relates to a micro LED structure and a method of manufacturing the same, the micro LED structure including: a micro LED; a circuit board driving the micro LED; and an anisotropic conductive anodic oxide film provided between the micro LED and the circuit board to electrically connect the circuit board and the micro LED. According to the present invention, without applying an external force (thermocompression bonding) to the anisotropic conductive anodic oxide film, it is possible to electrically connect the circuit board and the micro LED. In addition, it is possible to obtain characteristics such as uniform conductivity in a vertical direction and heat dissipation.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: July 7, 2020
    Assignee: POINT ENGINEERING CO., LTD.
    Inventors: Bum Mo Ahn, Seung Ho Park, Tae Hwan Song
  • Patent number: 10658549
    Abstract: Disclosed is a unit substrate for an optical device, the unit substrate including: an optical device-mounting region provided on an upper surface of the unit substrate; and first and second metal substrates bonded to each other with a vertical insulating layer interposed therebetween. A lower surface of the unit substrate is electrically connected to the mounting region, and side and upper surfaces of the unit substrate are electrically isolated from the mounting region such that an optical device is capable of operating in an environment with low electrical resistance.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: May 19, 2020
    Assignee: POINT ENGINEERING CO., LTD.
    Inventors: Bum Mo Ahn, Seung Ho Park, Moon Hyun Kim