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    Display link power management using in-band low-frequency periodic signaling
    1.
    发明授权
    Display link power management using in-band low-frequency periodic signaling 有权

    公开(公告)号：US12147288B2

    公开(公告)日：2024-11-19

    申请号：US17247649

    申请日：2020-12-18

    Applicant: Intel Corporation

    Inventor： Nausheen Ansari ,  Ziv Kabiry ,  Gal Yedidia

    IPC: G06F1/3296 ,  G06F1/10 ,  G06F3/14

    Abstract: In one embodiment, an apparatus includes a port comprising circuitry to couple the apparatus to one or more devices over a DisplayPort (DP)-based link and a processor to generate signals for communication over the DP-based link. The apparatus also includes memory with instructions to cause the processor to initiate a transition to a low power state in devices of the DP-based link by transmitting a sleep pattern signal over the DP-based link, and initiate a transition to an active power state in devices of the DP-based link by transmitting a wake pulse sequence and physical link establishment signal pattern over the DP-based link.

    METHODS AND APPARATUS TO REDUCE DISPLAY CONNECTION LATENCY
    4.
    发明申请
    METHODS AND APPARATUS TO REDUCE DISPLAY CONNECTION LATENCY 有权

    公开(公告)号：US20220291733A1

    公开(公告)日：2022-09-15

    申请号：US17831173

    申请日：2022-06-02

    Applicant: Intel Corporation

    Inventor： Lakshminarayana Pappu ,  Nausheen Ansari ,  Todd Witter

    IPC: G06F1/26 ,  G09G3/20

    Abstract: Methods, apparatus, systems, and articles of manufacture are disclosed to reduce display connection latency. An example apparatus includes interface circuitry to: detect when a display is plugged into a port; and notify processor circuitry of the detection. In response to the notification, the processor circuitry of the example apparatus moves discrete circuitry into a high power state. The example apparatus also includes discrete circuitry to, while in the high power state, identify the display.

    ADVANCED LINK POWER MANAGEMENT FOR DISPLAYPORT
    9.
    发明申请
    ADVANCED LINK POWER MANAGEMENT FOR DISPLAYPORT 有权

    公开(公告)号：US20210103327A1

    公开(公告)日：2021-04-08

    申请号：US17127417

    申请日：2020-12-18

    Applicant: Intel Corporation

    Inventor： Nausheen Ansari ,  Ziv Kabiry ,  Gal Yedidia

    IPC: G06F1/3234 ,  G06F1/3287 ,  H04N21/44 ,  G06T1/20

    Abstract: An apparatus comprising circuitry to buffer video data; and a DisplayPort Transmitter to communicate the video data to a DisplayPort Receiver via a virtual channel through at least one intermediate device between the DisplayPort Transmitter and the DisplayPort Receiver, wherein the virtual channel comprises a unidirectional Main-Link and a bidirectional auxiliary channel (AUX_CH); and communicate a power down signal over the Main-Link to the at least one intermediate device and the DisplayPort Receiver in conjunction with turning off the Main-Link to place the at least one intermediate device and the DisplayPort Receiver in respective low power states.

    Foveated image rendering for head-mounted display devices
    10.
    发明授权
    Foveated image rendering for head-mounted display devices 有权

    公开(公告)号：US10949947B2

    公开(公告)日：2021-03-16

    申请号：US15858678

    申请日：2017-12-29

    Applicant: Intel Corporation

    Inventor： Aaron Steyskal ,  Nausheen Ansari ,  Nobuyuki Suzuki ,  Zhiming Zhuang ,  Atsuo Kuwahara ,  Gary K. Smith

    IPC: G06T15/00 ,  G06T3/40 ,  G06T11/60 ,  H04L29/06 ,  G06T1/20 ,  G06T1/60 ,  G06T3/00 ,  G06F3/01

    Abstract: Example methods, apparatus, systems and articles of manufacture (e.g., non-transitory physical storage media) to implement foveated image rendering for head-mounted displays device are disclosed herein. Example head-mounted display devices disclosed herein include a frame buffer to store first and second image data for an image frame, the first image data having a first resolution and the second image data having a second resolution lower than the first resolution, the first image data and the second image data obtained from a host device via a data interface. Disclosed example head-mounted display devices also include a device controller to up-sample the second image data based on first metadata from the host device to generate up-sampled second image data having the first resolution, and combine the first image data and the up-sampled second image data based on second metadata from the host device to render a foveated image frame on a display.

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