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    Display defect compensation with localized backlighting
    1.
    发明授权
    Display defect compensation with localized backlighting 有权

    公开(公告)号：US10726801B2

    公开(公告)日：2020-07-28

    申请号：US14689360

    申请日：2015-04-17

    Applicant: Microsoft Technology Licensing, LLC

    Inventor： Jiandong Huang ,  Steven Bathiche ,  Linghui Rao ,  Ying Zheng

    IPC: G09G3/36 ,  G09G3/34 ,  G09G5/10

    Abstract: An electronic device includes a backlight unit and a liquid crystal layer disposed proximate to the backlight unit. The backlight unit is configured to provide illumination across a viewable display area of the electronic device. The viewable display area includes a plurality of zones. The liquid crystal layer is configured to selectively filter the illumination provided by the backlight unit. A processor is coupled to the backlight unit and to the liquid crystal layer. The processor is configured to determine, based on data indicative of content to be displayed, a respective backlight brightness level of each zone of the plurality of zones and to generate liquid crystal control signaling for the liquid crystal layer. The processor is further configured to adjust the respective backlight brightness levels and/or the liquid crystal control signaling, to compensate for distortions arising from defects in the backlight unit and/or the liquid crystal layer.

    Backlight assembly with tunable grating layer for local dimming
    2.
    发明授权
    Backlight assembly with tunable grating layer for local dimming 有权

    公开(公告)号：US10151960B2

    公开(公告)日：2018-12-11

    申请号：US14866319

    申请日：2015-09-25

    Applicant: Microsoft Technology Licensing, LLC

    Inventor： Jiandong Huang ,  Steven Bathiche

    IPC: G02F1/29 ,  G02F1/1335 ,  G02F1/1334 ,  G02F1/137 ,  G02F7/00 ,  F21V8/00 ,  B29D11/00 ,  B32B17/10

    Abstract: Methods, systems, apparatuses, and computer program products are provided for a backlight assembly for a display device. The backlight assembly includes a transparent waveguide layer, a plurality of light sources, and a tunable grating layer. The light sources are arranged along an edge of the waveguide layer. Each light source transmits light into the waveguide layer through the edge. The grating layer is coupled to the waveguide layer, and has multiple rows. Each row of the grating layer is segmented into a series of cells so the grating layer is sectioned into an array of cells. Each cell is independently controllable to either not extract incident light received from within the waveguide layer, or to extract the incident light for emission from the backlight assembly. In another configuration, the waveguide layer is not present, and the light sources transmit light directly into an edge of the grating layer.

    STYLUS PEN WITH DYNAMIC PROTOCOL SELECTION FOR COMMUNICATION WITH A DIGITIZER
    3.
    发明申请
    STYLUS PEN WITH DYNAMIC PROTOCOL SELECTION FOR COMMUNICATION WITH A DIGITIZER 审中-公开

    公开(公告)号：US20170097695A1

    公开(公告)日：2017-04-06

    申请号：US14874229

    申请日：2015-10-02

    Applicant: Microsoft Technology Licensing, LLC

    Inventor： Flavio Protasio Ribeiro ,  Steven Bathiche ,  Woo Suk Lee

    IPC: G06F3/038 ,  G06F3/041 ,  G06F3/0354

    Abstract: A stylus pen is disclosed that can detect touch signals from a digitizer and dynamically determine which digitizer (e.g., make/model) generated the touch signals. The stylus pen can then switch to one of a plurality of candidate protocols, without interaction from the user, so as to communicate with the digitizer. The digitizer need not explicitly communicate what protocol it supports to the stylus pen. Rather, the stylus pen analyzes the digitizer waveforms and compares the waveforms to known signatures to determine which digitizer is being used. The stylus pen can then dynamically set a protocol used to communicate with the digitizer that matches the protocol expected by the digitizer.

    Stylus pen with dynamic protocol selection for communication with a digitizer
    6.
    发明授权
    Stylus pen with dynamic protocol selection for communication with a digitizer 审中-公开

    公开(公告)号：US10671190B2

    公开(公告)日：2020-06-02

    申请号：US14874229

    申请日：2015-10-02

    Applicant: Microsoft Technology Licensing, LLC

    Inventor： Flavio Protasio Ribeiro ,  Steven Bathiche ,  Woo Suk Lee

    IPC: G06F3/038 ,  G06F3/041 ,  G06F3/0354 ,  G06F3/044

    Abstract: A stylus pen is disclosed that can detect touch signals from a digitizer and dynamically determine which digitizer (e.g., make/model) generated the touch signals. The stylus pen can then switch to one of a plurality of candidate protocols, without interaction from the user, so as to communicate with the digitizer. The digitizer need not explicitly communicate what protocol it supports to the stylus pen. Rather, the stylus pen analyzes the digitizer waveforms and compares the waveforms to known signatures to determine which digitizer is being used. The stylus pen can then dynamically set a protocol used to communicate with the digitizer that matches the protocol expected by the digitizer.

    DISPLAY DEFECT COMPENSATION WITH LOCALIZED BACKLIGHTING
    7.
    发明申请
    DISPLAY DEFECT COMPENSATION WITH LOCALIZED BACKLIGHTING 审中-公开
    显示缺陷补偿与本地化背光

    公开(公告)号：US20160307523A1

    公开(公告)日：2016-10-20

    申请号：US14689360

    申请日：2015-04-17

    Applicant: Microsoft Technology Licensing, LLC

    Inventor： Jiandong Huang ,  Steven Bathiche ,  Linghui Rao ,  Ying Zheng

    IPC: G09G3/36 ,  G09G5/10

    Abstract: An electronic device includes a backlight unit and a liquid crystal layer disposed proximate to the backlight unit. The backlight unit is configured to provide illumination across a viewable display area of the electronic device. The viewable display area includes a plurality of zones. The liquid crystal layer is configured to selectively filter the illumination provided by the backlight unit. A processor is coupled to the backlight unit and to the liquid crystal layer. The processor is configured to determine, based on data indicative of content to be displayed, a respective backlight brightness level of each zone of the plurality of zones and to generate liquid crystal control signaling for the liquid crystal layer. The processor is further configured to adjust the respective backlight brightness levels and/or the liquid crystal control signaling, to compensate for distortions arising from defects in the backlight unit and/or the liquid crystal layer.

    Abstract translation: 电子设备包括背光单元和靠近背光单元设置的液晶层。 背光单元被配置为在电子设备的可视显示区域上提供照明。 可视显示区域包括多个区域。 液晶层被配置为选择性地过滤由背光单元提供的照明。 处理器耦合到背光单元和液晶层。 处理器被配置为基于指示要显示的内容的数据来确定多个区域中的每个区域的各自的背光亮度水平并且产生用于液晶层的液晶控制信号。 处理器还被配置为调节各个背光亮度水平和/或液晶控制信号，以补偿由背光单元和/或液晶层中的缺陷引起的失真。

    DETECTING INPUT PRESSURE ON A STYLUS PEN
    10.
    发明申请
    DETECTING INPUT PRESSURE ON A STYLUS PEN 审中-公开
    检测STYLUS笔上的输入压力

    公开(公告)号：US20160364023A1

    公开(公告)日：2016-12-15

    申请号：US14740025

    申请日：2015-06-15

    Applicant: Microsoft Technology Licensing, LLC

    Inventor： Steven Bathiche ,  Michael Jensen ,  Flavio Protasio Ribeiro ,  Gabriel Pirie ,  Vineet Thuvara

    IPC: G06F3/0354

    Abstract: A stylus pen that can be used as an input device to a digitizer associated with a computer screen on a computing device, such as a computer, mobile device, tablet, etc. The stylus pen can include an end cap that has multiple pressure thresholds for implementing different user-input commands. To detect the pressure being applied to the end cap, the cap is movable relative to a stylus pen body so as to move a plunger in proximity or contact with a mechanical switch. The mechanical switch is a single-action switch that is converted to a dual-action switch by using the electrical conductivity of the switch to detect an electrical coupling between a plunger and the switch. The electrical coupling can be in the form of a capacitive coupling or a direct electrical connection. Further pressure can be detected through actuation of the mechanical switch.

    Abstract translation: 可以用作计算机设备（例如计算机，移动设备，平板电脑等）上的与计算机屏幕相关联的数字转换器的输入设备的触控笔。触控笔可以包括具有多个压力阈值的端盖， 实现不同的用户输入命令。 为了检测施加到端盖的压力，盖可以相对于触针笔体移动，以便移动靠近机械开关或与机械开关接触的柱塞。 机械开关是通过使用开关的电导率来检测柱塞和开关之间的电耦合而转换为双动开关的单动开关。 电耦合可以是电容耦合或直接电连接的形式。 可以通过致动机械开关来检测进一步的压力。

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