Mode-Based Brightness Scales for Display Power and Quality
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Display devices face a trade-off between power consumption and visual content accuracy, as regulations limiting brightness to reduce power consumption can result in a negative user experience, especially in applications requiring high image quality.
Innovation Solution
Implementing a display device with two modes: a power savings mode with a capped maximum brightness value to comply with regulations and a performance mode with a higher maximum brightness value, allowing users to select between energy efficiency and visual performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If the maximum brightness value is capped to comply with power consumption regulations, then power consumption is reduced, but visual content accuracy deteriorates
Solution Approach 1:
The patent implements mode-based brightness scales that dynamically adjust the mapping between brightness settings and actual luminance output. The display controller selects different brightness scales based on the operating mode (power savings or performance), allowing the system to adapt its brightness characteristics rather than using a fixed capped brightness limit. This dynamic approach resolves the contradiction by enabling high brightness accuracy when needed while maintaining power efficiency in standard operation.
Solution Approach 2:
The patent changes the brightness scale parameters based on operating mode. In power savings mode, a first brightness scale with lower maximum brightness values is used, while in performance mode, a second brightness scale with higher maximum brightness values is applied. This parameter change allows the display to comply with power regulations during normal use while providing access to higher brightness levels and improved visual content accuracy when the performance mode is activated.
2Manufacturing precision
If the maximum brightness value is increased to improve visual content accuracy, then image quality is enhanced, but power consumption increases
Solution Approach 1:
The system dynamically switches between different brightness scales based on user-selected mode. The display controller monitors the operating mode and automatically selects the appropriate brightness scale, enabling the display to provide high visual content accuracy only when the performance mode is explicitly selected, rather than continuously consuming high power.
Solution Approach 2:
The display device achieves multi-functionality by incorporating multiple brightness scales within a single device. The first brightness scale optimizes for power efficiency while the second brightness scale optimizes for visual content accuracy. This universal design allows the same hardware to serve both power-conscious and quality-conscious users without requiring separate devices.
3Use of energy by moving object
If a single brightness scale is used to comply with power regulations, then power consumption is controlled, but user experience deteriorates due to insufficient brightness options
Solution Approach 1:
The display controller dynamically selects between multiple brightness scales based on the operating mode, providing users with meaningful brightness options. Instead of a single fixed brightness scale, the system offers different brightness characteristics depending on whether power savings or performance mode is active, significantly improving user experience by giving users control over the brightness behavior.
Solution Approach 2:
The brightness control system is segmented into multiple distinct brightness scales, each optimized for different operating conditions. The first brightness scale is segmented for power efficiency while the second is segmented for visual performance. This segmentation allows users to choose their preferred operating characteristics without compromising either power management or user experience.
4Adaptability or versatility
If mode-based brightness scales are implemented, then user control and compliance are achieved, but device complexity increases
Solution Approach 1:
The display controller is designed with universal functionality to handle multiple brightness scales within a single unified system. Rather than implementing separate hardware systems for different brightness modes, the controller universally manages both brightness scales through software-based selection, minimizing the increase in device complexity while maximizing adaptability and user control.
Data Source
AI summary
In an example in accordance with the present disclosure, a display device is described. The display device includes a display screen to display content. The display device has a first mode and a second mode. A first mode brightness scale, which defines a range of available brightness values for the display screen, is different than a second mode brightness scale. The display device includes a display controller to select a brightness scale for the display device based on a current mode of the display device.