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Simultaneously refresh multiple regions of a display device using multiple different refresh rates

A refresh rate, display device technology, applied to static indicators, instruments, etc., can solve problems such as waste and energy consumption

Active Publication Date: 2020-05-19
APPLE INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Furthermore, although many processes of applications occur on cloud servers rather than computing devices, idle screens displaying animations of various applications can also consume energy in a wasteful manner
In this way, in some cases, the application can consume more power just for aesthetics rather than the main purpose of the application

Method used

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  • Simultaneously refresh multiple regions of a display device using multiple different refresh rates
  • Simultaneously refresh multiple regions of a display device using multiple different refresh rates
  • Simultaneously refresh multiple regions of a display device using multiple different refresh rates

Examples

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Embodiment Construction

[0020] This section describes representative applications of the methods and apparatus according to this patent application. These examples are provided only to add context and facilitate understanding of the described embodiments. It will therefore be apparent to one skilled in the art that the described embodiments may be practiced without some or all of these specific details. In other instances, well known process steps have not been described in detail in order not to unnecessarily obscure the embodiments. Other applications are also possible, such that the following examples should not be considered limiting.

[0021] In the following detailed description, reference is made to the accompanying drawings which form a part hereof, and in which are shown by way of illustration specific embodiments according to which embodiments are described. While these embodiments have been described in sufficient detail to enable those skilled in the art to practice the described embodi...

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Abstract

The present invention relates to a method and apparatus for refreshing a display device at various frequencies. Specifically, multiple areas of the display device may be refreshed simultaneously at different frequencies. In this way, when static content is being displayed in particular areas of the display device, those particular areas may be refreshed at a lower rate than areas displaying dynamic content, such as video or animation. By refreshing at a lower rate, energy consumed by the display device and subsystems associated with the display device may be reduced. Furthermore, disclosed herein is a process for reducing flicker when refreshing a display device at different refresh rates.

Description

technical field [0001] The described embodiments generally relate to modifying the refresh rate of a display device. More specifically, the present embodiments relate to methods and apparatus for simultaneously refreshing multiple regions of a display device at different rates. Background technique [0002] Recent advances in computing devices have allowed the display of visually stunning graphics on many lightweight and often portable computing devices. Graphics can be provided by a variety of systems including graphics processors and display monitors. Many graphics processors can interface with a display monitor to provide images and video that can be updated or refreshed without any interruption perceived by the user of the display monitor. However, over extended periods of time, both data transfer and light emission from the display monitor require large amounts of energy that are not normally available when implemented in portable computing devices. Typically, this e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/20G09G3/36
CPCG09G3/32G09G3/3611G09G2310/04G09G2320/0247G09G2320/103G09G2340/0435G09G3/20
Inventor 王超昊李思贤P·萨凯托张世昌黄俊尧P·S·德尔泽克
Owner APPLE INC
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