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Electronic device that dynamically controls standard dynamic range content and high dynamic range content

An electronic device, dynamic range technology, applied in the direction of selective content distribution, electrical components, static indicators, etc., can solve the problems of irrespective of user preferences, damage to the display, etc.

Active Publication Date: 2020-03-06
APPLE INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Displaying bright content for extended periods of time can damage the display if not careful, the display can operate using brightness levels that consume excessive power, user preferences may not be taken into account when adjusting display brightness, and displayed content can display visible artifacts
Addressing these issues while displaying content with a pleasing appearance is challenging

Method used

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  • Electronic device that dynamically controls standard dynamic range content and high dynamic range content
  • Electronic device that dynamically controls standard dynamic range content and high dynamic range content
  • Electronic device that dynamically controls standard dynamic range content and high dynamic range content

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] figure 1 An exemplary electronic device of the type that may be provided with a display is shown in . Such as figure 1 As shown, the electronic device 10 may have a control circuit 12 . Control circuitry 12 may include storage and processing circuitry to support the operation of device 10 . Storage and processing circuitry may include storage devices such as hard drive storage, non-volatile memory (e.g., flash memory or other electrically programmable read-only memory configured to form a solid-state drive), volatile memory (e.g., static or dynamic random access memory), etc. Processing circuitry in control circuitry 16 may be used to control the operation of device 10 . The processing circuitry may be based on one or more microprocessors, microcontrollers, digital signal processors, baseband processors, power management units, audio chips, application specific integrated circuits, graphics processing units, display driver circuits such as timing controller integrat...

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PUM

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Abstract

The invention relates to an electronic device that dynamically controls standard dynamic range and high dynamic range content. The electronic device may be provided with a display. Standard dynamic range content and high dynamic range content may be generated by a content generator operating on a control circuit. Standard dynamic range content and high dynamic range content can be displayed at thesame time. The tone mapping parameters may be generated by a tone mapping engine for displaying standard dynamic range content and high dynamic range content. Tone mapping parameters may be selectedbased on factors such as ambient light levels, user brightness settings, content statistics, display characteristics, gaze point information, power consumption information, and each window information. Tone mapping parameters may be selected to accommodate simultaneous display of standard dynamic range content and high dynamic range content. The tone mapping parameter may be temporarily modified in response to a user gaze point switch between the standard dynamic range content and the high dynamic range content.

Description

Background technique [0001] The present invention relates generally to electronic devices, and more particularly to electronic devices having displays. [0002] Electronic devices often include displays. If care is not taken, displaying bright content for extended periods of time may damage the display, the display may operate using brightness levels that consume excessive power, user preferences may not be considered when adjusting display brightness, and displayed content may display visible artifacts. Addressing these issues while displaying content with a pleasing appearance is challenging. Contents of the invention [0003] The electronic device may be provided with a display. A content generator on an electronic device may provide content to be displayed on a display. A control circuit in an electronic device can be used to implement a tone mapping engine. The tone mapping engine may optionally map content from the content luminance used by the content generator to...

Claims

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Application Information

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IPC IPC(8): G09G5/02G09G5/10G09G5/14
CPCG09G5/02G09G5/10G09G5/14G02B27/0093G06F3/013H04N21/4223H04N21/4316H04N21/44218H04N21/440263G09G2320/0271G09G2320/0673G09G2340/0407G09G2360/144G09G2320/041G09G2354/00G06T7/73G06T2207/20208G06T2207/10024G06T5/90G06F3/04812G06F3/04847G06T5/50G06T5/94
Inventor T·R·巴尔吴佳颖N·P·邦尼尔R·萨马达尼
Owner APPLE INC
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