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    Colored filter assemblies for highly-efficient and angle-robust photovoltaic devices
    4.
    发明授权
    Colored filter assemblies for highly-efficient and angle-robust photovoltaic devices 有权

    公开(公告)号：US11367801B2

    公开(公告)日：2022-06-21

    申请号：US16762774

    申请日：2018-11-09

    申请人： THE REGENTS OF THE UNIVERSITY OF MICHIGAN ,  TOYOTA MOTOR CORPORATION

    发明人： Lingjie Jay Guo ,  Chengang Ji ,  Taizo Masuda ,  Yuki Kudo

    IPC分类号： H01L31/054 ,  G02B5/26 ,  G02F1/015 ,  H01L31/0224 ,  G02B5/28

    摘要： Angle insensitive/angle-robust colored filter assemblies are provided for use with a photovoltaic device to create a decorative and colored photovoltaic device assembly. The filter may be passive or active with an ultrathin reflective layer of high refractive index material, like amorphous silicon (a-Si). A passive filter may have transparent first and second pairs of dielectric materials surrounding the ultrathin reflective layer. An active filter may have transparent first and second electrodes and first and second doped hole/electron transport layer surrounding the ultrathin reflective layer. The filter can transmit a portion and reflect a portion of the electromagnetic spectrum to generate a reflected color output with minimal angle dependence. Angle insensitive colored photovoltaic device assemblies having high power conversion efficiencies (e.g., ≥18%) including a passive or active colored reflective filter and a photovoltaic device are also contemplated. The photovoltaic device may include a photoactive layer comprising crystalline silicon (c-Si).

    A DRIVER MONITORING AND RESPONSE SYSTEM
    7.
    发明申请
    A DRIVER MONITORING AND RESPONSE SYSTEM 有权

    公开(公告)号：US20210129748A1

    公开(公告)日：2021-05-06

    申请号：US16472760

    申请日：2017-12-19

    申请人： SRI International ,  Toyota Motor Corporation

    发明人： Amir Tamrakar ,  Girish Acharya ,  Makoto Okabe ,  John James Bymes

    IPC分类号： B60Q9/00 ,  G06K9/00 ,  G06F3/16 ,  A61B5/18 ,  A61B5/16 ,  A61B5/11 ,  A61B5/00

    摘要： An evaluation engine has two or more modules to assist a driver of a vehicle. A driver drowsiness module analyzes monitored features of the driver to recognize two or more levels of drowsiness of the driver of the vehicle. The driver drowsiness module evaluates drowsiness of the driver based on observed body language and facial analysis of the driver. The driver drowsiness module is configured to analyze live multi-modal sensor inputs from sensors against at least one of i) a trained artificial intelligence model and ii) a rules based model while the driver is driving the vehicle to produce an output comprising a driver drowsiness-level estimation. A driver assistance module provides one or more positive assistance mechanisms to the driver to return the driver to be at or above the designated level of drowsiness.

    OMNIDIRECTIONAL STRUCTURAL COLOR MADE FROM METAL AND DIELECTRIC LAYERS
    9.
    发明申请
    OMNIDIRECTIONAL STRUCTURAL COLOR MADE FROM METAL AND DIELECTRIC LAYERS 审中-公开

    公开(公告)号：US20200088922A1

    公开(公告)日：2020-03-19

    申请号：US16692692

    申请日：2019-11-22

    申请人： Toyota Motor Engineering & Manufacturing North America, Inc. ,  Toyota Motor Corporation

    发明人： Debasish Banerjee ,  Minjuan Zhang ,  Masahiko Ishii

    IPC分类号： G02B5/22 ,  G02B5/08 ,  G02B5/28

    摘要： A high-chroma omnidirectional structural color multilayer structure is provided. The structure includes a multilayer stack that has a core layer, a dielectric layer extending across the core layer, and an absorber layer extending across the dielectric layer. An interface is present between the dielectric layer and the absorber layer and a near-zero electric field for a first incident electromagnetic wavelength is present at this interface. In addition, a large electric field at a second incident electromagnetic wavelength is present at the interface. As such, the interface allows for high transmission of the first incident electromagnetic wavelength and high absorption of the second incident electromagnetic wavelength such that a narrow band of reflected light is produced by the multilayer stack.