Scene Brightness Control Using Logic Current Feedback
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Solution Overview
Problem
Mid-range and low-end display devices struggle to provide adequate visibility in dark scenes, requiring manual brightness adjustments that lead to glare issues when exiting such scenes, and users must repeatedly adjust settings.
Innovation Solution
A computer system with a detection unit, power unit, storage unit, and processing unit that utilizes a lookup table to automatically adjust display brightness based on current application scenes, eliminating the need for manual adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If the overall brightness is increased to see objects in dark scenes, then visibility in dark scenes is improved, but glare occurs when viewing in bright scenes and manual adjustment is required
Solution Approach 1:
The patent implements dynamic brightness adjustment by continuously monitoring the logic current value of the logic unit and automatically adjusting the backlight unit's brightness accordingly. The system transitions from static manual brightness settings to dynamic automatic adjustment based on real-time scene detection, resolving the contradiction between visibility in dark scenes and glare in bright scenes
Solution Approach 2:
The patent establishes a feedback loop where the detection unit monitors the logic current value, which reflects the current scene's brightness requirements. This feedback information is used by the processing unit to automatically adjust the backlight brightness, creating a closed-loop control system that adaptively maintains optimal visibility without glare
2Ease of operation
If manual brightness adjustment is performed to optimize viewing conditions, then viewing comfort is improved, but adjustment time and user intervention are increased
Solution Approach 1:
The patent enables the display device to adjust its own brightness automatically based on the logic current value monitoring. The system performs self-diagnosis and self-adjustment without requiring user intervention, thereby improving viewing comfort while eliminating the time users would spend manually adjusting brightness settings
3Illumination intensity
If high brightness or high contrast is maintained for dark scenes, then visibility in dark scenes is improved, but energy consumption increases and automatic adaptation to scene changes is lost
Solution Approach 1:
The patent implements dynamic brightness adjustment by continuously monitoring the logic current value of the logic unit and automatically adjusting the backlight unit's brightness accordingly. The system transitions from static manual brightness settings to dynamic automatic adjustment based on real-time scene detection, resolving the contradiction between visibility in dark scenes and glare in bright scenes
Solution Approach 2:
The patent changes the brightness parameter dynamically based on the detected logic current value. Instead of maintaining a fixed high brightness setting, the system adjusts the brightness parameter in real-time according to the current scene requirements, thereby reducing energy consumption when high brightness is not needed while maintaining visibility when required
Data Source
AI summary
A computer and a method for adjusting scene brightness and a processing method for establishing scene brightness are provided. The computer includes a display device, a power unit, a storage unit, a processing unit, and a detection unit. The display device includes a logic unit, and a backlight unit. The detection unit fetches a logic current value of the logic unit. The power unit is connected to the logic unit and the backlight unit. The storage unit stores a lookup table recording default scene current values and target brightness currents matching application scenes of the application program. The processing unit is connected to the display device, the power unit, the storage unit, and the detection unit to execute the application program, fetch a current scene and the logic current value, select a target brightness current, and drive the power unit to provide the target brightness current for the backlight unit.