Patents by Inventor Guo-Quan Lin

Guo-Quan Lin 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: 20240036347
    Abstract: A lens device includes a base, a lens module, a first carrier, a second carrier and a resilient element. The lens module includes an optical axis extended in a first direction. The first carrier is disposed on the base to carry the lens module. The second carrier is disposed on the base to carry the first carrier. The resilient element is flexible and connects the second carrier and the base. The first carrier is movable with respect to the second carrier in the first direction. The second carrier carrying the first carrier is movable with respect to the base in a second direction and a third direction. The first direction is perpendicular to the second direction and the third direction.
    Type: Application
    Filed: July 26, 2023
    Publication date: February 1, 2024
    Inventors: Noriyuki Washio, Tomoyoshi Yano, Kazutaka Goami, Guo-Quan Lin
  • Publication number: 20240019681
    Abstract: A lens device includes a lens module, an image forming unit and a light path turning module. The lens module includes one or plural lenses. The light path turning module is disposed between the lens module and the image forming unit. The light exiting from the lens module is reflected at least twice by the light path turning module.
    Type: Application
    Filed: June 16, 2023
    Publication date: January 18, 2024
    Inventors: Guo-Quan Lin, Hsi-Ling Chang, Chien-Hung Chen, Bo-Yan Chen, Ming-Huang Tseng, Ming-Wei Shih
  • Patent number: 11863854
    Abstract: A lens device includes a first lens module, an image sensor and a first light path turning module. The first lens module includes plurality of lenses. The first light path turning module is configured to transmit a light beam passing through the first lens module to the image sensor by exactly three or four reflections. The first light path turning module includes three or four reflecting surfaces on which the reflections occur. All the reflecting surfaces are plane surfaces. The first light path turning module includes no free form surface. All the surfaces on which the light beam is reflected are plane surfaces, wherein the plane surfaces are flat and are different from freeform surfaces.
    Type: Grant
    Filed: October 28, 2022
    Date of Patent: January 2, 2024
    Assignees: SINTAI OPTICAL (SHENZHEN) CO., LTD., ASIA OPTICAL CO., INC.
    Inventor: Guo-Quan Lin
  • Patent number: 11796826
    Abstract: A lens device includes a lens module, a light splitting module and an image sensing module. The lens module includes an optical axis extended in a first direction. The light splitting module is configured to split light coming from the lens module into at least a first light beam and a second light beam, wherein the first light beam and the second light beam have wavelengths of different ranges. The image sensing module includes a plurality of image sensing units corresponding to the first light beam and the second light beam respectively, wherein the image sensing units are disposed at different sides of the light splitting module to sense the corresponding light beam.
    Type: Grant
    Filed: August 3, 2021
    Date of Patent: October 24, 2023
    Assignees: SINTAI OPTICAL (SHENZHEN) CO., LTD., ASIA OPTICAL CO., INC.
    Inventors: Guo-Quan Lin, Pin-Tzu Lien
  • Publication number: 20230097275
    Abstract: A lens device includes a base, a lens module, a driving device, a plurality of positioning elements, a dragging element and a counterweight block. The lens module is disposed in the base and includes at least one movable lens group that is movable in a first direction. The driving device is configured to drive the movable lens group to move. The positioning elements are spaced in the first direction and fixed to the base. The dragging element is put around the positioning elements. The counterweight block and the movable lens group are connected to the dragging element.
    Type: Application
    Filed: September 26, 2022
    Publication date: March 30, 2023
    Inventor: Guo-Quan LIN
  • Publication number: 20230071642
    Abstract: A lens device includes at least one frame, at least one lens, at least one optical element and an image forming assembly. The lens is disposed in the frame and has an optical axis extending in a first direction. The optical element includes at least one non-planar surface. The light coming from an object side propagates through the lens and the non-planar surface to the image forming assembly. The lens is obtained from cutting an upper portion and a lower portion of a circular lens along planes in parallel to the first direction and a second direction.
    Type: Application
    Filed: August 31, 2022
    Publication date: March 9, 2023
    Inventor: Guo-Quan LIN
  • Publication number: 20230047206
    Abstract: A lens device includes a first lens module, an image sensor and a first light path turning module. The first lens module includes plurality of lenses. The first light path turning module is configured to transmit a light beam passing through the first lens module to the image sensor by exactly three or four reflections. The first light path turning module includes three or four reflecting surfaces on which the reflections occur. All the reflecting surfaces are plane surfaces. The first light path turning module includes no free form surface. All the surfaces on which the light beam is reflected are plane surfaces, wherein the plane surfaces are flat and are different from freeform surfaces.
    Type: Application
    Filed: October 28, 2022
    Publication date: February 16, 2023
    Inventor: Guo-Quan Lin
  • Publication number: 20230018568
    Abstract: A lens device includes a base, a guiding unit, a plurality of lens groups and a flexible printed circuit board. The guiding unit is disposed on the base in a first direction. The plurality of lens groups are disposed on the base and include at least one movable lens group that is movable along the guiding unit. The flexible printed circuit board is fixed to the movable printed circuit board, and bent in the first direction to form a bent portion. The guiding unit is disposed in contact with a top of the bent portion of the flexible printed circuit board.
    Type: Application
    Filed: June 22, 2022
    Publication date: January 19, 2023
    Inventor: Guo-Quan LIN
  • Patent number: 11528396
    Abstract: A lens device includes a first lens module, a first light path turning module and an image sensor. The first lens module, the first light path turning module and the image sensor are sequentially arranged along a light path in which a light beam propagates. The first light path turning module is configured to change a direction in which the light beam propagates so that the light beam passes through the first lens module to form an image on the image sensor.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: December 13, 2022
    Assignees: SINTAI OPTICAL (SHENZHEN) CO., LTD., ASIA OPTICAL CO., INC.
    Inventor: Guo-Quan Lin
  • Patent number: 11480760
    Abstract: A lens assembly includes a lens body, a first lens, a second lens, a third lens and a fourth lens, wherein the lens body includes a lens barrel, and the first lens, the second lens, the third lens and the fourth lens are fixed in the lens body in order from an object side to an image side along an optical axis. The first lens is closest to the object side and includes an object side surface, the object side surface is protruded along the optical axis, the first lens further includes a first portion close to the object side and a second portion close to the image side, and a diameter of the first portion is smaller than a diameter of the second portion so that a step is formed between the first portion and the second portion.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: October 25, 2022
    Assignees: SINTAI OPTICAL (SHENZHEN) CO., LTD., ASIA OPTICAL CO., INC.
    Inventors: Guo-Quan Lin, Hsi-Ling Chang, Bo-Yan Chen, Ming-Huang Tseng, Guo-Yang Wu
  • Patent number: 11428893
    Abstract: A lens device includes a lens barrel and a first lens. The lens barrel includes an object-side end. The first lens is fixed to the object-side end of the lens barrel, is configured to form an optical axis, and includes a minor diameter portion near an object side of the lens device and a major diameter portion near an image side of the lens device. The major diameter portion is connected to the minor diameter portion. A section of the first lens sectioned along the optical axis is higher at a middle portion than at both side portions. The first lens is protruded at the middle portion towards the object side to form a pillar with respect to the both side portions thereof.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: August 30, 2022
    Assignees: SINTAI OPTICAL (SHENZHEN) CO., LTD., ASIA OPTICAL CO., INC.
    Inventors: Guo-Quan Lin, Po-Jen Wang
  • Publication number: 20220252827
    Abstract: An image capture apparatus and a zoom lens are provided. The zoom lens in accordance with an exemplary embodiment of the invention includes a mount, a guide unit, a plurality of lens groups and a driving device. The guide unit is disposed in the mount in a first direction. The lens groups are disposed in the mount and include at least one movable lens group which can be moved along the guide unit. The driving device is configured for driving the movable lens group. The driving device includes magnets and coils. The magnets are fixed to one of the movable lens group and the mount, while the coils are fixed to the other of the movable lens group and the mount. The magnets and/or the coils are arranged in the first direction.
    Type: Application
    Filed: January 27, 2022
    Publication date: August 11, 2022
    Inventors: Guo-Quan Lin, Kazutaka Goami
  • Patent number: 11372190
    Abstract: A camera device includes a first lens driving module including a first lens unit, a first carrier, a first fixing element, a plurality of clamping portions and a driver. The first lens unit includes at least one lens, and the lens constitutes a first optical axis. The first carrier is configured to carry the first lens unit and includes a plurality of first carrier bodies and a first carrier base. The first fixing element includes a plurality of first fixing bodies and a first fixing base. The clamping portions extend from the first fixing bodies and are connected to the first carrier. The driver is disposed between the first carrier and the first fixing element and is configured to drive the first carrier carrying the first lens unit to move with respect to the first fixing element in a first direction and a second direction.
    Type: Grant
    Filed: November 23, 2018
    Date of Patent: June 28, 2022
    Assignees: SINTAI OPTICAL (SHENZHEN) CO., LTD., ASIA OPTICAL CO., INC.
    Inventor: Guo-Quan Lin
  • Publication number: 20220066224
    Abstract: A lens device includes a lens module, a light splitting module and an image sensing module. The lens module includes an optical axis extended in a first direction. The light splitting module is configured to split light coming from the lens module into at least a first light beam and a second light beam, wherein the first light beam and the second light beam have wavelengths of different ranges. The image sensing module includes a plurality of image sensing units corresponding to the first light beam and the second light beam respectively, wherein the image sensing units are disposed at different sides of the light splitting module to sense the corresponding light beam.
    Type: Application
    Filed: August 3, 2021
    Publication date: March 3, 2022
    Inventors: Guo-Quan LIN, Pin-Tzu LIEN
  • Publication number: 20210105388
    Abstract: A lens device includes a first lens module, a first light path turning module and an image sensor. The first lens module, the first light path turning module and the image sensor are sequentially arranged along a light path in which a light beam propagates. The first light path turning module is configured to change a direction in which the light beam propagates so that the light beam passes through the first lens module to form an image on the image sensor.
    Type: Application
    Filed: September 29, 2020
    Publication date: April 8, 2021
    Inventor: Guo-Quan Lin
  • Patent number: 10890752
    Abstract: An optical path turning module includes an optical path turning unit, a carrier, a fixing element and a driver. The optical path turning unit includes a sloping surface. A light beam enters the optical path turning unit along a first axis, is reflected by the sloping surface, and leaves the optical path turning unit along a second axis. The carrier is configured to fix the optical path turning unit and includes a main body and a plurality of first clamping portions. The main body is sloped with respect to the second axis, and the first clamping portions extend from the main body in a direction parallel to the second axis. The carrier is disposed in the fixing element. The driver is configured to drive the carrier to rotate about a third axis with respect to fixing element. The third axis is perpendicular to the first axis and the second axis.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: January 12, 2021
    Assignees: SINTAI OPTICAL (SHENZHEN) CO., LTD., ASIA OPTICAL CO., INC.
    Inventor: Guo-Quan Lin
  • Publication number: 20200341229
    Abstract: A lens device includes a lens barrel and a first lens. The lens barrel includes an object-side end. The first lens is fixed to the object-side end of the lens barrel, is configured to form an optical axis, and includes a minor diameter portion near an object side of the lens device and a major diameter portion near an image side of the lens device. The major diameter portion is connected to the minor diameter portion. A section of the first lens sectioned along the optical axis is higher at a middle portion than at both side portions. The first lens is protruded at the middle portion towards the object side to form a pillar with respect to the both side portions thereof.
    Type: Application
    Filed: March 30, 2020
    Publication date: October 29, 2020
    Inventors: Guo-Quan Lin, Po-Jen Wang
  • Publication number: 20200333562
    Abstract: A lens assembly includes a lens body, a first lens, a second lens, a third lens and a fourth lens, wherein the lens body includes a lens barrel, and the first lens, the second lens, the third lens and the fourth lens are fixed in the lens body in order from an object side to an image side along an optical axis. The first lens is closest to the object side and includes an object side surface, the object side surface is protruded along the optical axis, the first lens further includes a first portion close to the object side and a second portion close to the image side, and a diameter of the first portion is smaller than a diameter of the second portion so that a step is formed between the first portion and the second portion.
    Type: Application
    Filed: March 30, 2020
    Publication date: October 22, 2020
    Inventors: Guo-Quan Lin, Hsi-Ling Chang, Bo-Yan Chen, Ming-Huang Tseng, Guo-Yang Wu
  • Patent number: 10809484
    Abstract: A lens module includes a first lens barrel and a first element. The first lens barrel includes a first outer wall and a plurality of first lenses, wherein the first lenses have an optical axis formed from an object side to an image side. The first element is configured to carry the first lens barrel and includes an outer circumferential portion, wherein the outer circumferential portion surrounds the optical axis and includes at least four barriers. The barriers form an accommodating space in which the first lens barrel is disposed. At least one of the barriers has an opening portion to expose the first outer wall of the first lens barrel. The first outer wall of the first lens barrel is not protruded from the opening portion.
    Type: Grant
    Filed: August 20, 2018
    Date of Patent: October 20, 2020
    Assignees: SINTAI OPTICAL (SHENZHEN) CO., LTD., ASIA OPTICAL CO., INC.
    Inventors: Guo-Quan Lin, Ming-Wei Shih
  • Patent number: 10715707
    Abstract: An imaging device includes a base, a prism module, a lens module and an imaging module. The prism module is fixedly disposed in the base. The lens module includes a lens unit, a first carrier configured to fix the lens unit, and a second carrier configured to accommodate the first carrier, wherein the lens unit has an optical axis extending in a first direction, the second carrier is connected to the base through an axial elastomer extending in the first direction, and the prism module and the lens module are disposed in the base and sequentially arranged in the first direction.
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: July 14, 2020
    Assignee: SINTAI OPTICAL (SHENZHEN) CO., LTD.
    Inventor: Guo-Quan Lin