Patents by Inventor Cheng Ko

Cheng Ko 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: 11195737
    Abstract: An apparatus for storing and transporting semiconductor elements includes a first portion and a second portion. The first portion includes a first front side wall, a first rear side wall, a top wall, and at least one pin holder integrally extending from the first rear side wall. The second portion includes a second front side wall, a second rear side wall, a bottom wall, and at least one pivotal pin structure integrally coupled with and extending from the second rear side wall. The at least one pivotal pin structure comprises a shaft, and a head connected with the shaft. The at least one pin holder defines a cavity sized and shaped to accept the head of the at least one pivotal pin structure. The first portion and the second portion are pivotally movable between an open configuration and a closed container configuration.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: December 7, 2021
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Ming-Sung Kuo, Jhih-Yuan Yang, Po-Wei Chen, Fang-yu Liu, Ping-Cheng Ko, Chung-Cheng Chen
  • Publication number: 20210370541
    Abstract: An ultrasonic vibration assisted machining device is applied to a cutting tool and includes a vibrating component and a spinning component. The vibrating component includes a main body including a first end surface, a second end surface and a central axis. The vibrating component is configured to receive electrical power and generate a vibration with a vibrating frequency in the central axis direction according to the electrical power. The spinning component includes a first surface connected to the second end surface of the vibrating component. The area of the first surface is greater than that of the second end surface. The spinning component generates a spinning motion centered on the central axis according to the vibration with the vibrating frequency generated by the vibrating component. Wherein, the spinning component transmits the vibration and the spinning motion to the cutting tool.
    Type: Application
    Filed: May 25, 2021
    Publication date: December 2, 2021
    Inventors: Yunn-Shiuan LIAO, Chao-Hsin WANG, Chang-Cheng KO
  • Patent number: 11187867
    Abstract: A camera lens with complete symmetry reduces or avoids light deviation and stray light reflections in a lens group, notwithstanding manufacturing marks and defects. A lens barrel and a lens group are also disclosed. The lens barrel is a hollow structure for receiving the lens group. The lens group defining at least one recess on an outer sidewall as a manufacturing mark receives a layer of black glue to improve the integrity of shape. A lens module and an electronic device using such a camera lens is also provided.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: November 30, 2021
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Ya-Lan Feng, Chun-Cheng Ko
  • Patent number: 11187868
    Abstract: A lens assembly includes a lens barrel, a lens group, a gasket, and a light shielding group. The lens group includes a number of lenses. The light shielding group includes a number of shielding sheets defining a through hole. The gasket is located between two lenses on a light exiting side of the lens assembly. An inner portion of the gasket defines an inner hole for transmitting light. An aperture of the inner hole increases from an object side of the lens assembly to an image side of the lens assembly. An aperture D1 of the through hole adjacent to the gasket and adjacent to the object side, an aperture D2 of the inner hole adjacent to the object side, and an aperture D3 of the through hole adjacent to the gasket and adjacent to the image side satisfy a relationship 0.65<D1/D2<0.85; and D3?D2.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: November 30, 2021
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Ya-Lan Feng, Chun-Cheng Ko
  • Patent number: 11181736
    Abstract: A lens module capable of reducing flare includes a lens cone, a lens group, and a light-shielding sheet group. The lens group comprises a plurality of lenses formed from an object side of the lens module to an image side of the lens module. The light-shielding sheet group comprises a plurality of light-shielding sheets. The plurality of light-shielding sheets is embedded between each adjacent two lenses of the plurality of lenses. A difference value between an inner diameter of the lens cone corresponding to a first light shielding sheets arranged from the image side to the object side and an outer diameter of the first light shielding sheets arranged from the image side to the object side is greater than 0.01 mm and less than 0.02 mm. The disclosure also relates to an electronic device.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: November 23, 2021
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Ya-Lan Feng, Chun-Cheng Ko
  • Publication number: 20210356632
    Abstract: An optical lens includes a lens barrel, a first lens, and a diaphragm film. The first lens is received within the lens barrel. The diaphragm film is fixed on the lens barrel. The first lens includes a spherical area, a stacking area, and a connecting area. The connecting area is coupled between the spherical area and the stacking area. The connecting area includes a planar area. The diaphragm film is located on the planar area.
    Type: Application
    Filed: August 6, 2020
    Publication date: November 18, 2021
    Inventors: PO-CHOU CHEN, CHUN-CHENG KO
  • Publication number: 20210358560
    Abstract: A memory device includes at least one first register, a memory circuit, an analyzing circuit, and a control circuit. The memory circuit includes a plurality of bit cells. The analyzing circuit is configured to perform an analyzing process on the bit cells to generate an analyzing result. If the analyzing result indicates that a first bit cell of the bit cells fails, the control circuit establishes a repair process by controlling data to be written into the at least one first register and controlling the data to be read out from the at least one first register.
    Type: Application
    Filed: February 8, 2021
    Publication date: November 18, 2021
    Inventor: Hsin-Cheng Ko
  • Publication number: 20210325626
    Abstract: An optical lens includes a first lens and a second lens facing the first lens. The first lens includes a first flange structure. The first flange structure includes a first surface facing the second lens. The first surface includes a first positioning portion. The second lens includes a second flange structure. The second flange structure includes a second surface facing the first lens. The second surface includes a second positioning portion. The first positioning portion engages with the second positioning portion.
    Type: Application
    Filed: August 6, 2020
    Publication date: October 21, 2021
    Inventors: PO-CHOU CHEN, CHUN-CHENG KO
  • Patent number: 11150465
    Abstract: A lens module includes a lens group and at least one coating film. The lens group includes a plurality of lenses arranged successively from an object side of the lens module to an image side of the lens module. Each lens has two effective surfaces. One effective surface is located on the object side of the lens module, and the other is located on the image side. The coating film formed on at least one of the effective surfaces. The coating film satisfies a first relationship: B1<0.5%; B2<0.35%. B1 refers to a maximum value of a reflectivity of incident light incident on the effective surfaces. B2 refers to an average value of the reflectivity of the incident light incident on the effective surfaces, a wavelength of the incident light being in a range of 490 nm to 620 nm.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: October 19, 2021
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Yu-Chiao Huang, Chun-Cheng Ko
  • Publication number: 20210278877
    Abstract: A front light module includes a light guide plate, a light source, and a cover. The light guide plate has a light incident surface. The light source faces the light incident surface. The cover is located on the light guide plate. The cover includes a first light guide layer, a second light guide layer, a first printing layer, and a second printing layer. The first light guide layer is located between the second light guide layer and the light guide plate. The first printing layer is located on a surface of the first light guide layer facing the light guide plate. The second printing layer is located between the first light guide layer and the second light guide layer.
    Type: Application
    Filed: December 8, 2020
    Publication date: September 9, 2021
    Inventors: Yun-Nan HSIEH, Chih-Cheng KO
  • Publication number: 20210231919
    Abstract: A camera lens or lens group of reduced overall length includes a first lens with positive power, a second lens with negative power, a third lens with positive power, and an imaging element. The first, object side, lens includes a first surface and a second surface, the second lens includes a third surface and a fourth surface, and the third lens includes a fifth surface and a sixth surface. The camera lens satisfies conditions of 1.00<D/TTL<1.25; 0.85<|F1|/|F|<0.95; 3.85<|F2|/|F|<4.15; and 21.50<|F3|/|F|<27.50. D is the maximum imaging circle diameter on the imaging surface, TTL is the distance from the center point to the imaging side of the object-side surface of the first lens, F is the total focal length of the camera lens, F1 is the focal length of the first lens, F2 is the focal length of the second lens, and F3 is the focal length of the third lens.
    Type: Application
    Filed: December 11, 2020
    Publication date: July 29, 2021
    Inventors: YA-LAN FENG, CHUN-CHENG KO
  • Publication number: 20210223499
    Abstract: A light-shielding sheet is circular in shape and capable of reducing flare, the light-shielding sheet includes a first surface, a second surface opposite to the first surface, and an inclined surface connected to the first surface and the second surface. The first surface, the second surface, and the inclined surface are antireflective surfaces. An inner diameter of the light-shielding sheet adjacent to the first surface is greater than an inner diameter of the light-shielding sheet adjacent to the second surface. The disclosure also relates to a lens module using the light-shielding sheet, and an electronic device using the lens module.
    Type: Application
    Filed: July 27, 2020
    Publication date: July 22, 2021
    Inventors: YA-LAN FENG, CHUN-CHENG KO
  • Publication number: 20210217642
    Abstract: An apparatus having a first portion including a first front wall, a first rear wall, and a bottom wall integrally coupled to the first front wall and the first rear wall, and pivotal pin structures integrally coupled to and extending from the first rear wall. The apparatus includes a second portion having a second front wall, a second rear wall, and a top wall integrally coupled to the second front wall and the second rear wall, and pin holders integrally coupled to and extending from the second rear wall and at an offset angle with reference to the top wall. The pivotal pin structure includes a base support connected to the first rear wall and a shaft connected to the base support, and the pin holder defines an opening sized and shaped to accept the shaft. The first and second portions are sized and shaped to be pivotally movable between open and closed configurations.
    Type: Application
    Filed: March 29, 2021
    Publication date: July 15, 2021
    Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Tzu-Chung TSAI, Ping-Cheng KO, Fang-yu LIU, Jhih-Yuan YANG
  • Publication number: 20210213476
    Abstract: A coating mask for bearing and covering a portion of a to-be-plated component includes at least one bearing unit. Each bearing unit includes a first bearing portion, a second bearing portion, and at least two ribbed plates. An annular groove is defined between the first bearing portion and the second bearing portion. The at least two ribbed plates are formed in the annular groove. Each of the at least two ribbed plates includes a first ribbed portion and a second ribbed portion connected to the first ribbed portion. The first ribbed portion is connected to the second bearing portion; the second ribbed portion is connected to the first bearing portion. An included angle ?1 is defined by the first ribbed portion and the second ribbed portion, and ?1 is an obtuse angle. The disclosure also relates to a coating device.
    Type: Application
    Filed: June 24, 2020
    Publication date: July 15, 2021
    Inventors: YA-LAN FENG, CHUN-CHENG KO
  • Patent number: 11054607
    Abstract: A retaining ring for retaining lenses in a lens module carries an internal shape reducing the incidence of stray reflected light. The through hole in the retaining ring allows light to pass and a prismatic protrusion is disposed on a wall of the through hole. The protrusion has first and second inclined surfaces each at a specific angle. Acute angle ?1 is formed between the first inclined surface and end surface of ring, and acute angle ?2 is formed between the second inclined surface and other end surface of ring. Relationship between the acute angles are ?1>?2, and 60°??1+?2?80°. A lens module using such a retaining ring is also provided.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: July 6, 2021
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Ya-Lan Feng, Chun-Cheng Ko
  • Publication number: 20210202297
    Abstract: Semiconductor processing apparatuses and methods are provided in which an electrostatic discharge (ESD) prevention layer is utilized to prevent or reduce ESD events from occurring between a semiconductor wafer and one or more components of the apparatuses. In some embodiments, a semiconductor processing apparatus includes a wafer handling structure that is configured to support a semiconductor wafer during processing of the semiconductor wafer. The apparatus further includes an ESD prevention layer on the wafer handling structure. The ESD prevention layer includes a first material and a second material, and the second material has an electrical conductivity that is greater than an electrical conductivity of the first material.
    Type: Application
    Filed: February 23, 2021
    Publication date: July 1, 2021
    Inventors: Tsai-Hao HUNG, Ping-Cheng KO, Tzu-Yang LIN, Fang-Yu LIU, Cheng-Han WU
  • Publication number: 20210191089
    Abstract: A narrow-profile lens group for long-distance image capture includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens, from object side to imaging side. Each lens has two surfaces, the group meeting formula 0.85<D/TTL<1.05, 0.37<(D*0.5)/F<0.45, where D is the maximum imaging circle diameter on the imaging surface; TTL is the distance from the center point of a surface of the first lens adjacent to the object side to the imaging surface, and F is the focal length of the telephoto lens.
    Type: Application
    Filed: December 15, 2020
    Publication date: June 24, 2021
    Inventors: YA-LAN FENG, CHUN-CHENG KO
  • Patent number: 11042070
    Abstract: A cover plate structure includes a first light transmitting layer, a second light transmitting layer, and a light shielding layer. The first light transmitting layer includes a top surface and a bottom surface opposite the top surface. The second light transmitting layer is on the top surface of the first light transmitting layer. A refractive index of the first light transmitting layer is greater than a refractive index of the second light transmitting layer. The light shielding layer is on the bottom surface of the first light transmitting layer.
    Type: Grant
    Filed: May 27, 2020
    Date of Patent: June 22, 2021
    Assignee: E Ink Holdings Inc.
    Inventors: Yun-Nan Hsieh, Chih-Cheng Ko
  • Patent number: 11019240
    Abstract: A fixing ring of a certain design for a lens module substantially reduces stray light. The fixing ring defines a central axis, and comprises a base surface and a processing surface, formed from an edge of the base surface. A first angle ?1 exists between a first side cut surface and a surface perpendicular to the central axis, a distance L1 and the first angle ?1 satisfy formulas 0.015 mm<L1<0.025 mm and 20°<?1<40°. The disclosure further provides a lens module and an electronic device comprising the fixing ring. An anti-dazzle film, matching with the fixing ring to completely absorb stray light, is included in the lens module.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: May 25, 2021
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Ya-Lan Feng, Chun-Cheng Ko
  • Patent number: 10964569
    Abstract: An apparatus having a first portion including a first front wall, a first rear wall, and a bottom wall integrally coupled to the first front wall and the first rear wall, and pivotal pin structures integrally coupled to and extending from the first rear wall. The apparatus includes a second portion having a second front wall, a second rear wall, and a top wall integrally coupled to the second front wall and the second rear wall, and pin holders integrally coupled to and extending from the second rear wall and at an offset angle with reference to the top wall. The pivotal pin structure includes a base support connected to the first rear wall and a shaft connected to the base support, and the pin holder defines an opening sized and shaped to accept the shaft. The first and second portions are sized and shaped to be pivotally movable between open and closed configurations.
    Type: Grant
    Filed: June 21, 2019
    Date of Patent: March 30, 2021
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Ping-Cheng Ko, Tzu-Chong Tsai, Jhih-Yuan Yang, Fang-yu Liu