Patents Examined by Balram T Parbadia
  • Patent number: 11762132
    Abstract: An imaging lens assembly module has an optical axis, and includes at least one plastic lens element, a carrier element and a light absorbing layer. The plastic lens element, in order from a center to a peripheral region thereof, includes an optical effective portion and a peripheral portion. A side of the peripheral portion includes a plurality of step structures interposed between the side of the peripheral portion and a same side of the optical effective portion. The carrier element defines an inner space for disposing the plastic lens element, and includes a tip end minimal opening and a plurality of annular inner walls. The light absorbing layer is disposed on the peripheral portion of the plastic lens element, and the step structures and the at least one of the annular inner walls facing towards the plastic lens element.
    Type: Grant
    Filed: July 20, 2020
    Date of Patent: September 19, 2023
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Ming-Ta Chou, Cheng-Feng Lin, Po-Lun Hsu, Ming-Shun Chang, Ming-Ching Lin
  • Patent number: 11740459
    Abstract: Provided is a head-mounted display that enables viewing of a stereoscopic image without visual fatigue caused by vergence-accommodation conflict. A head-mounted display includes a display device to display images for the left eye and the right eye on a screen, virtual image forming optical systems for the left eye and the right eye, respectively disposed with respect to images for the left eye and the right eye on the screen, and wide-focus lenses for the left eye and the right eye having a negative focal length with a range, and respectively disposed with respect to the virtual image forming optical systems for the left eye and the right eye so as to overlap optical axis directions of the virtual image forming optical systems for the left eye and the right eye. By respectively displaying virtual images of images, a permissible range of vergence and accommodation is expanded.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: August 29, 2023
    Assignees: National University Corporation Tokyo University of Agriculture and Technology, ITOH OPTICAL INDUSTRIAL CO., LTD.
    Inventors: Yasuhiro Takaki, Yasushi Miyajima
  • Patent number: 11719921
    Abstract: The present disclosure provides a rapid three-dimensional imaging system based on a multi-angle 4Pi microscope. The system includes: an illumination module, configured to obtain a parallel light of which a size covering a projection surface of a spatial light modulator; a wavefront modulation module, configured to place the LCOS device on a Fourier plane of an illumination end; a two-dimensional scanning module, configured to control a light beam to realize a two-dimensional scanning on an object plane; an illumination interference module, configured to generate point spread function PSFs of a 4Pi through an illumination interference to irradiate a fluorescent sample; an imaging module, configured to acquire interference images of two fluorescent signals; and a controller, configured to control the wavefront modulation module to adjust a polarization direction of the light to generate PSFs of the 4Pi with different inclination angles.
    Type: Grant
    Filed: May 7, 2020
    Date of Patent: August 8, 2023
    Assignee: TSINGHUA UNIVERSITY
    Inventors: Qionghai Dai, You Zhou, Jiamin Wu, Guoxun Zhang
  • Patent number: 11714267
    Abstract: An optical imaging lens module is provided. The optical imaging lens module may include a lens barrel and an optical imaging lens. The optical imaging lens may include a plurality of lens elements engaged with the lens barrel in an order from an object side to an image side along an optical axis. A first lens element is the lens element closest to the object side in the plurality of lens elements. The first lens element may include an optical effective portion and an optical ineffective portion surrounding the optical effective portion. The optical effective portion may include an object-side surface facing toward the object side and allowing imaging rays to pass through as well as an image-side surface facing toward the image side and allowing the imaging rays to pass through. A border around the object-side surface may have an extension surface extending from the object side toward the image side.
    Type: Grant
    Filed: April 15, 2020
    Date of Patent: August 1, 2023
    Assignee: Genius Electronic Optical (Xiamen) Co., Ltd.
    Inventors: Wensen Chen, Ziping Li
  • Patent number: 11714216
    Abstract: The present application provides a display panel, a manufacturing method of the display panel, and a display device. The display panel includes a display region and a non-display region. The display panel includes multiple pixels divided by a boundary line. Each pixel has corresponding area uniformity. The pixels include multiple first pixels having the area uniformity within a first predetermined range. The pixels also include multiple second pixels having the area uniformity outside the first predetermined range. A shielding block is arranged on the first pixel. Brightness of the second pixel is set according to an area of the second pixel in the display region.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: August 1, 2023
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Jian Xu, Linfeng Liu
  • Patent number: 11703614
    Abstract: An antireflection film 3 provided on an optical substrate 2 of an optical member 1 has a reflectivity adjusting film 4 including a first layer 10, a second layer 11 having a refractive index higher than a refractive index of the first layer 10, a third layer 12 having a refractive index lower than a refractive index of the second layer 11, and a photocatalyst film 5 including one or more photocatalytically active layers 14 containing titanium dioxide, in which a thickness of the reflectivity adjusting film measured from a surface 4a is equal to or greater than 20 nm and less than 150 nm, the photocatalyst film 5 is provided between the reflectivity adjusting film 4 and the optical substrate 2, an interface 5a between the photocatalyst film 5 and the reflectivity adjusting film is disposed at position spaced apart from the surface 4a by a distance equal to or shorter than 150 nm, and a total thickness of the photocatalytically active layers 14 is equal to or greater than 350 nm and equal to or smaller than 1,0
    Type: Grant
    Filed: October 2, 2019
    Date of Patent: July 18, 2023
    Assignee: FUJIFILM Corporation
    Inventor: Hiroki Takahashi
  • Patent number: 11693234
    Abstract: A heating device includes a housing, a primary induction coil, a controller circuit, and a secondary induction coil. The housing is configured to retain a camera lens. The primary induction coil is positioned proximate the housing and configured to generate a magnetic field in response to receiving electrical power from a power supply. The controller circuit is in electrical contact with the primary induction coil and is configured to control the electrical power delivered to the primary induction coil. The secondary induction coil overlays the primary induction coil and is configured to receive the magnetic field from the primary induction coil and generate heat. The secondary induction coil heats the camera lens when the primary induction coil receives the electrical power.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: July 4, 2023
    Assignee: Aptiv Technologies Limited
    Inventors: Waldemar Dworakowski, Rafal Dlugosz
  • Patent number: 11693250
    Abstract: A laser beam combining device includes an emission optical system that emits a plurality of circular laser beams propagated coaxially and having mutually different wavelengths, and a diffractive optical element that is concentric and diffracts the plurality of circular laser beams. The diffractive optical element diffracts the plurality of circular laser beams in accordance with the wavelengths of the circular laser beams, such that local diffraction angles of diffracted light of the plurality of circular laser beams incident at mutually different local incidence angles are equal to each other.
    Type: Grant
    Filed: January 30, 2020
    Date of Patent: July 4, 2023
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Toru Nagai, Ryuji Nagaoka
  • Patent number: 11693230
    Abstract: In an optical device, when viewed from a first direction, first, second, third, and fourth movable comb electrodes are respectively disposed between a first support portion and a first end of a movable unit, between a second support portion and a second end of the movable unit, between a third support portion and the first end, and between a fourth support portion and the second end of the movable unit. The first and second support portions respectively include first and second rib portions formed so that the thickness of each of the first and second support portions becomes greater than the thickness of the first torsion bar. The third and fourth support portions respectively include third and fourth rib portions formed so that the thickness of each of the third and fourth support portions becomes greater than the thickness of the second torsion bar.
    Type: Grant
    Filed: September 4, 2018
    Date of Patent: July 4, 2023
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Tatsuya Sugimoto, Tomofumi Suzuki, Kyosuke Kotani
  • Patent number: 11686892
    Abstract: Disclosed are a combination structure including a nanostructure array including a plurality of nanostructures with a smaller dimension than the near-infrared wavelength are repeatedly arranged and a light absorption portion adjacent to the nanostructure array and including a near-infrared absorbing material configured to absorb light in at least a portion of near-infrared wavelength regions, an optical filter, an image sensor, a camera module, and an electronic device including the same.
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: June 27, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Mi Jeong Kim, Sookyoung Roh, Seokho Yun, Ilhwan Kim, Hyung Jun Kim, Chung Kun Cho
  • Patent number: 11686884
    Abstract: Light-absorbing flange lenses that may be used in the lens stacks of compact lens systems. In a light-absorbing flange lens, the effective area of the lens is composed of a transparent optical material, and at least a portion of the flange of the lens is composed of an optical material that absorbs at least a portion of the light that enters the flange. Using light-absorbing flange lenses may allow the lens barrel to be eliminated from the lens system, thus reducing the X-Y dimensions of the lens system when compared to conventional compact lens systems that include a lens stack enclosed in a lens barrel. In addition, using a light-absorbing material in the flanges of the light-absorbing flange lenses may reduce or eliminate optical aberrations such as lens flare, haze, and ghosting in images.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: June 27, 2023
    Assignee: Apple Inc.
    Inventor: Yoshikazu Shinohara
  • Patent number: 11681019
    Abstract: An optical device includes a substrate and an optical transmitter, which is mounted on the substrate and includes an optical emitter, which is configured to emit a beam of optical radiation, and a transmission lens assembly, which is configured to direct the beam along a transmit axis toward a target. An optical receiver is mounted on the substrate alongside the optical transmitter and includes an optical sensor and an objective lens assembly, which is configured to focus the optical radiation that is reflected from the target along a receive axis onto the optical sensor. An optical baffle is disposed asymmetrically relative to the transmit axis and has an asymmetrical shape configured to block preferentially stray radiation emitted from the optical transmitter toward the receive axis.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: June 20, 2023
    Assignee: APPLE INC.
    Inventors: Eamon H. O'Connor, Gregory A. Cohoon, Calvin K. Wong, Colleen F Mischke
  • Patent number: 11668957
    Abstract: The optical product includes an optical multilayer film which is disposed on one surface or both surfaces of a base directly or via an intermediate film. The optical multilayer film is obtained by alternately disposing an SiO2 layer and a ZrO2 layer, forming nine layers in total, such that a first layer counting from the base is the SiO2 layer. The optical thickness of the SiO2 layer as the first layer is not greater than 0.120×?/4 when a design wavelength is ? (500 nm), the optical thickness of the ZrO2 layer as a second layer is not less than 0.400×?/4, the optical thickness of the SiO2 layer as a third layer is not less than 0.230×?/4, and the optical thickness of the SiO2 layer as a seventh layer is not less than 0.450×?/4.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: June 6, 2023
    Assignee: TOKAI OPTICAL CO., LTD
    Inventor: Hirotoshi Takahashi
  • Patent number: 11662509
    Abstract: An article including a reflector with a reflectance band that is substantially constant as a function of an incidence angle; a polymeric multilayer film packet including a front surface partial reflector with a reflectivity that increases with an increasing incidence angle away from the normal; and a wavelength-selective absorber with a transmission band that at least partially coincides with the reflectance band of the reflector.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: May 30, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Timothy J. Nevitt, Gilles J. Benoit, Matthew B. Johnson
  • Patent number: 11662506
    Abstract: An imaging optical element set has an optical axis, and includes an object-side lens element, an image-side lens element and a light blocking sheet. The light blocking sheet is interposed between the object-side lens element and the image-side lens element, and includes an object-side outer surface, an image-side outer surface, an outer diameter portion, an inner diameter portion and a height compensation structure. The image-side outer surface is opposite to the object-side outer surface. The outer diameter portion has an outer diameter surface connected to the object-side outer surface and the image-side outer surface. The inner diameter portion has an inner diameter surface connected to the object-side outer surface and the image-side outer surface. The height compensation structure is in full circle form, and is for adjusting a height difference between the inner diameter surface and the outer diameter surface along a direction parallel to the optical axis.
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: May 30, 2023
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Chih-Wei Cheng, Ming-Ta Chou
  • Patent number: 11656456
    Abstract: An optical element including a glass body is provided. The optical element includes a colored layer provided inside the glass body and positioned outside an effective aperture of the optical element. Coloring of the colored layer is a reduction pigment occurring in a glass component of the glass body. The colored layer suppresses occurrence of stray light and obtains sufficient light-shielding properties, so that a superior image quality can be achieved.
    Type: Grant
    Filed: August 12, 2020
    Date of Patent: May 23, 2023
    Assignee: HOYA CORPORATION
    Inventors: Toshiki Nakamura, Masaru Eguchi, Yutaka Takakubo, Yoshitake Tanno, Naomi Matsumoto
  • Patent number: 11650480
    Abstract: An optical system is provided. The optical system includes a first optical module and a second optical module. The first optical module includes a movable portion, a fixed portion and a driving assembly. The movable portion is connected to a first optical member, and is movable relative to the fixed portion. The driving assembly is configured to drive the movable portion to move relative to the fixed portion. The second optical module is connected to a second optical member, wherein an optical axis passes through the first optical member and the second optical member.
    Type: Grant
    Filed: January 27, 2020
    Date of Patent: May 16, 2023
    Assignee: TDK TAIWAN CORP.
    Inventors: Chih-Wei Weng, Chao-Chang Hu, Sin-Jhong Song
  • Patent number: 11650411
    Abstract: In an optical device, when viewed from a first direction, first, second, third, and fourth movable comb electrodes are respectively disposed between a first support portion and a first end of a movable unit, between a second support portion and a second end of the movable unit, between a third support portion and the first end, and between a fourth support portion and the second end of the movable unit. The first and second support portions respectively include first and second rib portions formed so that the thickness of each of the first and second support portions becomes greater than the thickness of the first torsion bar. The third and fourth support portions respectively include third and fourth rib portions formed so that the thickness of each of the third and fourth support portions becomes greater than the thickness of the second torsion bar.
    Type: Grant
    Filed: September 4, 2018
    Date of Patent: May 16, 2023
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Tatsuya Sugimoto, Tomofumi Suzuki, Kyosuke Kotani
  • Patent number: 11619771
    Abstract: Systems including one or both of a light emitter or a light receiver or a detectable object; and an optical filter adjacent one or both of the light emitter or the light receiver, wherein the optical filter includes at least one wavelength transmission selective layer an absorber component, wherein the wavelength transmission selective layer at least partially reduces the transmission of wavelengths from 701 nm to 849 nm incident thereon.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: April 4, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Neeraj Sharma, Guanglei Du, John A. Wheatley, Matthew E. Sousa, Jeremy O. Swanson
  • Patent number: 11619764
    Abstract: A high-performance optical surface includes: a substrate having a first surface and a second surface opposite to the first surface; a first anti-reflection (A/R) coating formed on the second surface of the substrate; a coated layer formed over the A/R coating on a surface of the A/R coating opposite to the stress compensation layer, where a surface of the coating layer opposite to the first A/R coating is diamond point turned or polished to improve finish; and a second A/R coating formed on the polished surface of the coating layer to formed the high-performance reflective surface.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: April 4, 2023
    Assignee: RAYTHEON COMPANY
    Inventors: John P. Schaefer, Paul J. Gasloli