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    Electronic Device Component Stack
    3.
    发明申请
    Electronic Device Component Stack 有权
    电子设备组件堆栈

    公开(公告)号：US20140062939A1

    公开(公告)日：2014-03-06

    申请号：US13647985

    申请日：2012-10-09

    Applicant: Amazon Technologies, Inc.

    Inventor： Robert Waverly Zehner ,  Hannah Rebecca Lewbel ,  Anoop Menon ,  Scott M. Dylewski ,  Kari J. Rinko

    IPC: G06F3/044

    CPC classification number: G06F3/044 ,  G02B6/00 ,  G06F3/0412

    Abstract: Electronic devices that include reflective displays for rendering content, touch sensors layered atop the reflective displays for detecting touch inputs, front lights layered atop the touch sensors for lighting the reflective displays and antiglare components for reducing glare caused by ambient light. This disclosure also describes techniques for assembling electronic devices including these component stacks.

    Abstract translation: 包括用于渲染内容的反射显示器的电子设备，分层在反射显示器顶部的触摸传感器，用于检测触摸输入，分层在触摸传感器顶部的前灯，用于照亮反射显示器和防眩光部件，以减少由环境光引起的眩光。 本公开还描述了用于组装包括这些组件堆叠的电子设备的技术。

    Reducing discoloration of a display stack
    4.
    发明授权
    Reducing discoloration of a display stack 有权

    公开(公告)号：US10521181B2

    公开(公告)日：2019-12-31

    申请号：US13931279

    申请日：2013-06-28

    Applicant: Amazon Technologies, Inc.

    Inventor： Anoop Menon ,  Robert Waverly Zehner ,  John-Paul Clement Perron

    IPC: G06F3/00 ,  G06F3/147

    Abstract: In some implementations, an electronic device includes a display stack to display content. The display stack can include a number of substrates coupled using a first optically clear adhesive (OCA) and a second OCA. In an implementation, the first OCA includes an acrylic-containing OCA and the second OCA includes a silicon-containing OCA. In some instances, the first OCA can include an additive to filter ultraviolet radiation. In a particular implementation, the first OCA can have a total luminous transmittance of no greater than approximately 30% for at least a portion of the UV spectrum radiation.

    Global reset for an electrowetting display device
    5.
    发明授权
    Global reset for an electrowetting display device 有权

    公开(公告)号：US10345575B1

    公开(公告)日：2019-07-09

    申请号：US14553620

    申请日：2014-11-25

    Applicant: Amazon Technologies, Inc.

    Inventor： Jack Shih-Chieh Wei ,  Siddharth Gupta ,  Robert Waverly Zehner

    IPC: G02B26/00 ,  G09G3/34

    Abstract: An electrowetting display device comprises electrowetting pixels. Each of the electrowetting pixels includes a hydrophobic layer portion disposed on a first electrode, an electrolyte solution overlying the hydrophobic layer, and a thin film transistor (TFT) that is switched on to select each of the electrowetting pixels using active matrix addressing, wherein the TFT is in electrical contact with the first electrode. The electrowetting display further includes a second electrode in electrical contact with the electrowetting pixels, and a reset control circuit in electrical contact with the second electrode to provide a reset pulse in unison to the electrowetting pixels.

    Control system for an electrowetting display device with memory controller
    6.
    发明授权
    Control system for an electrowetting display device with memory controller 有权

    公开(公告)号：US10269311B2

    公开(公告)日：2019-04-23

    申请号：US15383692

    申请日：2016-12-19

    Applicant: Amazon Technologies, Inc.

    Inventor： Petrus Maria de Greef ,  Anthony Botzas ,  Robert Waverly Zehner ,  Jozef Elisabeth Aubert ,  Johannes Wilhelmus Hendrikus Mennen

    IPC: G09G3/34 ,  G09G3/20 ,  G09G5/399

    Abstract: An electrowetting display device includes a plurality of pixels and a packaged integrated circuit that includes an output pin configured to electrically connect to a display driver, a rendering engine configured to output an initial luminance value for a first pixel in a plurality of pixels, and a memory controller. The memory controller includes a first frame buffer storing a current luminance value for the first pixel, a second frame buffer, and a front-end interface controller configured to encode a next luminance value. The next luminance value is at least partially determined by the initial luminance value for the first pixel. The memory controller includes a back-end interface controller configured to transmit a data signal through the output pin to the display driver to cause the display driver to apply a driving voltage to the first pixel. The driving voltage is at least partially determined by the current luminance value.

    Sub-pixel region spacer for electrowetting display device
    7.
    发明授权
    Sub-pixel region spacer for electrowetting display device 有权

    公开(公告)号：US10074320B1

    公开(公告)日：2018-09-11

    申请号：US15087665

    申请日：2016-03-31

    Applicant: AMAZON TECHNOLOGIES, INC.

    Inventor： Anthony Botzas ,  Robert Waverly Zehner ,  Gerben Boon

    IPC: G09G3/34 ,  G02B26/00

    CPC classification number: G09G3/348 ,  G02B26/005 ,  G02B2207/115 ,  G09G3/2074 ,  G09G2300/0452 ,  G09G2320/0673

    Abstract: A display device includes a first support plate and an opposing second support plate. A plurality of pixel regions is formed between the first support plate and the second support plate. Each pixel region includes a plurality of sub-pixel regions. A plurality of pixel wall portions over the first support plate form a perimeter of each of the plurality of sub-pixel regions. A sub-pixel region spacer is positioned in a first sub-pixel region of the plurality of sub-pixel regions. The sub-pixel region spacer includes a first spacer portion in the first sub-pixel region having a first landing surface extending between the plurality of pixel wall portions forming the perimeter of the first sub-pixel region. A second spacer portion of the sub-pixel region spacer extends from the second support plate in the first pixel region and is coupled to the first spacer portion.

    Event-detection confirmation by voice user interface
    8.
    发明授权
    Event-detection confirmation by voice user interface 有权

    公开(公告)号：US11138858B1

    公开(公告)日：2021-10-05

    申请号：US16455149

    申请日：2019-06-27

    Applicant: Amazon Technologies, Inc.

    Inventor： Mara Clair Segal ,  Robert Waverly Zehner

    IPC: G08B21/04 ,  G10L15/22 ,  G10L13/027

    Abstract: Systems and methods for event-detection confirmation are disclosed. For example, a sensing device may generate sensor data, such as from radar, and the sensor data may be utilized to determine if a predefined event as occurred. Event-confirmation operations may then be performed, such as by utilizing acoustic-event detection techniques and/or natural language understanding techniques. When occurrence of an event is confirmed, such as to a certain confidence level, one or more actions may be taken, such as sending a notification to another device and/or establishing a communication channel with another device, such as a device associated with emergency services, family members, friends, and/or neighbors.

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