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公开(公告)号：US12117631B2
公开(公告)日：2024-10-15
申请号：US17542687
申请日：2021-12-06
Applicant: InnoLux Corporation
Inventor： Chandra Lius , Kuan-Feng Lee
CPC classification number: G02B5/208 , G01J1/0437 , G01J3/0208 , G01J3/2803 , G06F3/0421 , G01J2003/2806
Abstract: An optical sensing device is provided. The optical sensing device includes a thin-film transistor, a sensing unit driven by the thin-film transistor, and a filter. Light to be detected passes through the filter before being collected by the sensing unit. The filter reduces the light intensity of the light to be detected in the near-infrared light wavelength band.
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公开(公告)号：US12078530B2
公开(公告)日：2024-09-03
申请号：US17306281
申请日：2021-05-03
Applicant: Waymo LLC
Inventor： Pierre-Yves Droz , David Hutchison
CPC classification number: G01J1/0407 , G01J1/0411 , G01J1/0414 , G01J1/0425 , G01J1/0437 , G01S7/4816 , G01S7/4818 , G01S17/89 , G02B6/08 , G01J2001/4466
Abstract: The present disclosure relates to limitation of noise on light detectors using an aperture. One example implementation includes a system. The system includes a lens disposed relative to a scene. The lens focuses light from the scene. The system also includes an aperture defined within an opaque material. The system also includes a waveguide having a first side that receives light focused by the lens and transmitted through the aperture. The waveguide guides the received light toward a second side of the waveguide opposite to the first side. The waveguide has a third side extending between the first side and the second side. The system also includes an array of light detectors that intercepts and detects light propagating out of the third side of the waveguide.
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公开(公告)号：US20240230402A1
公开(公告)日：2024-07-11
申请号：US18406301
申请日：2024-01-08
Applicant: Nanohmics, Inc.
Inventor： Chris W. Mann , Kieran Lerch , Alexander P. Greis , Austin Ferrie
CPC classification number: G01J1/0437 , G01J1/0411 , G01J1/0429 , G01J3/2823
Abstract: An integral field spectral imager has a plurality of optical homogenizers. Each optical homogenizer is in-register with a corresponding different superpixel in a superpixel array and is configured to spatially homogenize incident EMR and to pass the spatially homogenized EMR to a spectral filter in an array of spectral filters, thence to the in-register, corresponding different superpixel. Baffles are included to maximize confinement of the spatially homogenized EMR passed by a single optical homogenizer to the in-register, corresponding different superpixel so as to minimize crosstalk between superpixels. Optical homogenizers and baffles are designed to produce a pattern of homogenized EMR on a superpixel, regardless of where incident EMR is received on an optical homogenizer. Methods for using embodiments of the spectral imager in a variety of spectral bands in the EMR spectrum enable determining spectral information about incident EMR.
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公开(公告)号：US20240118134A1
公开(公告)日：2024-04-11
申请号：US17963148
申请日：2022-10-10
Applicant: Eagle Technology, LLC.
Inventor： Gordon Chun Kong Wu , Nicholas Piekiel , John Osborn , Kenneth Patterson , Brian Hart , Peter Bickford
CPC classification number: G01J1/0437 , G02B5/003 , G02B2207/101
Abstract: Stray light in a metering structure is controlled by surrounding with a rigid shield an elongated length of a strut and supporting on the rigid shield a surface finish which is highly absorptive of light. The strut is thermally decoupled from the rigid shield using a plurality of insulating web layers comprising a multi-layer insulation (MLI) system disposed between the strut and the rigid shield. The MLI in such scenarios (1) thermally isolates the strut from the shield (2) serves as a support structure to support the rigid shield on the strut, and (3) absorbs thermally induced mechanical stresses as between the rigid shield and the strut.
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公开(公告)号：US11953722B2
公开(公告)日：2024-04-09
申请号：US17336585
申请日：2021-06-02
Applicant: Luminar Technologies, Inc.
Inventor： Stephen L. Mielke , Roger S. Cannon
CPC classification number: G02B6/12007 , G01J1/0437 , G01S7/4816 , G02B6/12002 , G02B2006/12035
Abstract: An optical receiver including an ASIC, a light detector element, and a protective mask is disclosed. The light detector element is disposed on the ASIC and has a top surface oriented toward incident light, the top surface including a portion configured to receive the incident light and via which the incident light reaches an active area of the light detector element. The protective mask is placed over the ASIC so as to (i) cover, from the incident light, a portion of the ASIC, and (ii) provide an aperture that defines an optical path for the incident light through the protective mask to the portion of the top surface of the light detector element.
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Patent Agency Ranking
公开(公告)号：US11953372B2
公开(公告)日：2024-04-09
申请号：US17577388
申请日：2022-01-18
Applicant: InnoLux Corporation
Inventor： Yu-Tsung Liu , Wei-Ju Liao , Wei-Lin Wan , Cheng-Hsueh Hsieh , Po-Hsin Lin , Te-Yu Lee
IPC: G01J1/04 , G01J1/44 , H01L27/146 , G06V40/13
CPC classification number: G01J1/44 , G01J1/0411 , G01J1/0437 , H01L27/14623 , H01L27/14627 , G01J2001/446 , G01J2001/4473 , G06V40/1318
Abstract: An optical sensing device is disclosed. The optical sensing device includes a sensing pixel, a driving circuit and a first light shielding layer. The sensing pixel includes a sensing circuit and a sensing element electrically connected to the sensing circuit. The driving circuit is electrically connected to the sensing circuit. The first light shielding layer includes at least one first opening corresponding to the sensing element, and the first light shielding layer is overlapped with the driving circuit in a top-view direction of the optical sensing device.
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公开(公告)号：US11852523B2
公开(公告)日：2023-12-26
申请号：US17598054
申请日：2020-03-26
Applicant: ams AG
Inventor： Werner Rauch
CPC classification number: G01J1/0266 , G01J1/0209 , G01J1/0242 , G01J1/0437 , G01J1/06 , G01J1/4204 , G01J1/4228
Abstract: An apparatus includes a light senor having directional sensitivity. The light sensor includes multiple light sensitive elements disposed below the same aperture. Each of the light sensitive elements has a respective field of view through the aperture that differs from the field of view of the other light sensitive elements. Signals from the light sensor can facilitate determining the direction of incoming light.
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公开(公告)号：US20180274906A1
公开(公告)日：2018-09-27
申请号：US15996513
申请日：2018-06-03
Applicant: Jin ZHOU , Wenjun ZHOU
Inventor： Jin ZHOU , Wenjun ZHOU
CPC classification number: G01M11/33 , G01J1/0437 , G01M11/00 , G02B5/005
Abstract: The present invention discloses a method for measuring a mode field diameter (MFD) of a single-mode fibre using an optical integration technique employing a gradually variable aperture. The method transforms, according to Petermann II definition, an integral operation in a formula of an MFD of a single-mode fibre into elementary arithmetic operations to be performed on a mean square value of the numerical aperture of the fibre. By using an optical integrator having a gradually variable aperture, the mean square value of the numerical aperture of the single-mode fibre can be precisely measured by one of the following three methods: translation, rotation and beam splitting, thus accordingly solving the MFD of the test fibre. The aforementioned measurement an MFD of a single-mode fibre is characterized by precision, high speed and convenience, and can be widely applied in various applications, such as measurement standards, automated test equipment, and engineering instruments.
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公开(公告)号：US20180210151A1
公开(公告)日：2018-07-26
申请号：US15412116
申请日：2017-01-23
Applicant: II-VI Incorporated
Inventor： Mark H. Garrett , Mark Filipowicz , Siegfried Fleischer
CPC classification number: G02B6/266 , G01J1/0414 , G01J1/0425 , G01J1/0437 , G01J1/4228 , G01J1/4257 , G02B6/4214 , G02B6/4286 , G02B26/0833
Abstract: A free space variable optical attenuator (VOA) utilizes a beamsplitter to create tap beams (of both the input signal and the beam-steered output signal) that are directed into monitoring photodiodes. The beamsplitter is configured to exhibit a non-equal splitting ratio such that the tap beams are only a relatively small portion of the input/output beams. The free space configuration eliminates the need for fiber-based couplers, splices and connections to external monitors, as required in prior art VOA monitoring systems. The VOA utilizes a voltage-controlled, MEMS-based tilt mirror to provide beam steering of the propagating, free space beam in a known manner to introduce attenuation (power reduction) in the output signal.
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公开(公告)号：US20180172600A1
公开(公告)日：2018-06-21
申请号：US15838880
申请日：2017-12-12
Applicant: Roche Diagnostics Operations, Inc.
Inventor： Joachim Wietzorrek
CPC classification number: G01N21/8806 , G01J1/0411 , G01J1/0437 , G01J1/0448 , G01J1/4228 , G01J1/4257 , G01J2001/4247 , G01N21/534 , G01N2021/4711 , G02B5/005 , G02B13/0005 , G02B17/0808 , G02B17/0856 , G02B21/0016 , G02B21/26 , G02B27/0025 , G03F7/70225 , G03F7/70341 , G03F7/70591
Abstract: The present disclosure relates to a method for characterizing a light source. The method includes providing a light source to be characterized, collecting light emitted from the light source by using imaging optics, the imaging optics generating a pupil of the collected light emitted from the light source, generating an image of a pupil of light emitted only from a first surface area of the light source at a detector using the imaging optics, laterally shifting the light source and the imaging optics relative to each other and after the lateral shift, generating an image of a pupil of light emitted only from a second surface area of the light source at the detector using the imaging optics. The imaging optics includes a field stop between the light source and the detector to select a portion of the light source's surface from which light is imaged at a time.
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