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    Light guides having reflective coatings
    5.
    发明授权
    Light guides having reflective coatings 有权
    具有反光涂层的导光板

    公开(公告)号：US09004736B1

    公开(公告)日：2015-04-14

    申请号：US13892426

    申请日：2013-05-13

    Applicant: Amazon Technologies, Inc.

    Inventor： Vikram Srinivas ,  Anoop Menon ,  Ali-Reza Bahmandar ,  Ramez Nachman

    IPC: F21V7/04 ,  F21V8/00

    CPC classification number: G02B6/0018 ,  G02B6/0043 ,  G02B6/0055 ,  G02B6/0065 ,  G02B6/0068 ,  G02B6/0073

    Abstract: Assemblies and techniques are provided for light guides integrated into display devices having front light sources. In one aspect, a light guide can include one or more reflective coatings that are applied or otherwise integrated onto one or more internal surfaces of the light guide. Application of at least one reflective coating can modify the luminance and/or chromaticity of the light guide. The one or more coatings can comprise one or more applied layers of paint, such as a layer of a glossy colored paint and/or a layer of a chrome paints.

    Abstract translation: 提供了集成到具有前光源的显示装置中的光导件的组件和技术。 在一个方面，光导可以包括被施加或以其他方式集成在光导的一个或多个内表面上的一个或多个反射涂层。 至少一个反射涂层的应用可以改变光导的亮度和/或色度。 一个或多个涂层可以包括一个或多个施加的涂料层，例如光泽有色涂料的层和/或铬涂料层。

    Thin border displays
    6.
    发明授权
    Thin border displays 有权

    公开(公告)号：US10185200B1

    公开(公告)日：2019-01-22

    申请号：US15191390

    申请日：2016-06-23

    Applicant: Amazon Technologies, Inc.

    Inventor： Robert Arthur Sprague ,  Angeles Marcia Almanza-Workman ,  Wilfrido Loor Canizares ,  Siddharth Gupta ,  Vikram Srinivas

    IPC: G02F1/167 ,  H01L27/12 ,  G02F1/1333 ,  G02B26/00

    Abstract: A thin border display for an electronic device may comprise an optical assembly that includes a support frame and an electrophoretic display (EPD) structure attached to the support frame in a manner that allows for the display of the electronic device to exhibit a “thin border” or “borderless” look at a periphery of the electronic device. A portion of the EPD structure may at least partly curve around a curved portion of the support frame, the curved portion of the support frame being near the periphery of the support frame. In some embodiments, the EPD structure includes a transparent protective substrate disposed on a rear surface of a flexible backplane substrate within the flat outer region where a driver chip is disposed on a front surface of the flexible backplane substrate. The transparent protective substrate protects the driver chip attachment from being damaged during manufacture.

    Electronic device inspecting system and method
    7.
    发明授权
    Electronic device inspecting system and method 有权

    公开(公告)号：US10067065B1

    公开(公告)日：2018-09-04

    申请号：US14311585

    申请日：2014-06-23

    Applicant: Amazon Technologies, Inc.

    Inventor： Mohammed Aftab Alam ,  Vikram Srinivas ,  Nageswara Rao Tadepalli ,  Bobak Ranjbaran ,  Ramez Nachman

    IPC: G01N21/88

    Abstract: A cover glass of an electronic device may be inspected for defects and damage such as cracks, fractures, scratches, and chips. The electronic device may be placed in an enclosure with a lighting assembly that emits light to the electronic device, and scattered light from defects and damage of the cover glass is captured by an imaging device. A shutter assembly facilitates the capture of scattered light and reduces the capture of reflected light, which enhances the exposure of defects and damage of the captured image of the cover glass. A mirror facilitates the capture of a side surface of the electronic device.

    Fall event monitoring
    8.
    发明授权
    Fall event monitoring 有权

    公开(公告)号：US09689887B1

    公开(公告)日：2017-06-27

    申请号：US13801716

    申请日：2013-03-13

    Applicant: Amazon Technologies, Inc.

    Inventor： Vikram Srinivas ,  Ali-Reza Bahmandar ,  Ramez Nachman

    IPC: G01P15/08 ,  G01P15/00 ,  G01B21/18 ,  G01C15/00 ,  G01P13/00 ,  G01P15/14 ,  G01P15/18

    CPC classification number: G01P15/0891 ,  G01B21/18 ,  G01C15/00 ,  G01P15/18

    Abstract: In some examples, a portable electronic device may monitor onboard sensor information to detect and characterize a fall event. For example, the device may receive acceleration information from one or more accelerometers for determining that the device is falling, and may receive information from one or more gyroscopes for determining an orientation of the device. Based at least in part on the sensor information, the device may determine the fall duration, an estimated fall height, device orientation before during and after the fall, and/or a coefficient of restitution resulting from the device impacting a surface. The device may store the fall information on the device. Further, in some examples, the device may send the fall information to a remote computing device, which may aggregate the fall information from a plurality of the devices, such as for improving or optimizing the design of the devices.

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