Screen Brightness Adjustment via Scrolling Speed Detection
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Solution Overview
Problem
Users experience eyestrain due to brightness differences between the screen and their surroundings, and existing electronic devices lack the ability to automatically adjust screen brightness to mitigate this issue, especially when scrolling content.
Innovation Solution
An electronic device that detects the speed of content scrolling and adjusts the screen brightness automatically, using sensors like cameras and grip sensors to determine the need for brightness changes, even without all sensors functioning, to provide personalized and real-time adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If the screen brightness is kept high to ensure visibility, then the display quality is improved, but user eyestrain increases due to brightness difference with surroundings
Solution Approach 1:
The screen brightness is dynamically adjusted based on real-time detection of user eyestrain conditions. The system transitions from static brightness control to dynamic adaptation, automatically modifying brightness levels in response to detected user state and environmental conditions to balance visibility and comfort.
Solution Approach 2:
The system implements feedback control by detecting user eyestrain conditions through sensors (camera, grip sensor) and using this information to adjust screen brightness. The detected user state serves as feedback that triggers automatic brightness modification, creating a closed-loop control system that continuously optimizes display conditions.
2Object-affected harmful factors
If automatic brightness adjustment is implemented based on scrolling speed, then user eyestrain is reduced, but device complexity increases due to additional sensors and processing
Solution Approach 1:
The camera module and grip sensor are utilized for multiple functions: capturing user state information, detecting scrolling speed, and triggering brightness adjustments. Rather than adding dedicated sensors solely for brightness control, the system leverages existing multi-functional components to achieve automatic adaptation, thereby reducing overall device complexity.
Solution Approach 2:
The system performs self-adjustment by automatically detecting user eyestrain conditions and modifying screen brightness without requiring manual user input or configuration. The device monitors its own operating conditions and autonomously optimizes display parameters, eliminating the need for complex user interface controls.
3Ease of operation
If real-time brightness adjustment is made based on scrolling speed detection, then user convenience is improved, but processing time and energy consumption increase
Solution Approach 1:
The system performs preliminary detection of scrolling speed and user state conditions continuously in the background, preparing adjustment decisions before actual brightness changes are needed. By anticipating user needs based on detected scrolling patterns, the system minimizes processing delays and ensures smooth, timely brightness transitions that enhance user convenience without significant latency.
Data Source
AI summary
An operation method of an electronic device is provided. The operation method includes detecting a movement speed of contents being scrolled, if the detected movement speed is determined as being equal to or greater than a set speed, changing a brightness of a screen having been displayed at a first brightness, into a second brightness, and changing the brightness of the screen from the second brightness to the first brightness according to a changing movement speed of the contents being scrolled.