TV Backlight Control via Ambient Brightness and User Age Detection
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Solution Overview
Problem
Current TV backlight systems require manual adjustment by users and fail to automatically adapt to different environments and user requirements, leading to complex operations and potential eye strain.
Innovation Solution
A TV backlight control method that acquires ambient brightness information and user type, determines a backlight adjustment value, and automatically adjusts the backlight to ensure optimal brightness, reducing the need for user intervention and enhancing eye health.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual backlight adjustment is required, then user control flexibility is improved, but operation complexity increases and eye health is compromised
Solution Approach 1:
The system automatically detects ambient brightness and user age, then autonomously adjusts the backlight without requiring user intervention. The control device retrieves ambient light information, determines user age through facial recognition, calculates appropriate brightness levels, and executes the adjustment automatically, eliminating the need for manual operation while preventing eye strain.
Solution Approach 2:
The system continuously monitors ambient brightness conditions and user characteristics, using this feedback to dynamically adjust the backlight. The control device receives real-time environmental information, processes it along with user age data, and automatically modifies brightness levels to maintain optimal conditions for eye health.
2Ease of operation
If automatic backlight adjustment is implemented, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The control device integrates multiple functions into a single system: it processes facial recognition for age determination, captures ambient brightness information, calculates appropriate backlight levels, and executes the adjustment. This multi-functional approach, while increasing internal complexity, presents a unified simple interface to the user.
Solution Approach 2:
The control device acts as an intermediary between the ambient environment, user characteristics, and backlight system. It receives environmental and user data, processes this information through age-based brightness calculations, and translates it into appropriate backlight adjustments, simplifying the overall system architecture while enabling automatic operation.
3Illumination intensity
If backlight brightness is increased, then picture brightness is improved, but eye health is compromised
Solution Approach 1:
The system dynamically changes the brightness parameter of the backlight based on detected ambient conditions and user age. Instead of using a fixed high brightness level, the control device adjusts the brightness parameter to age-appropriate levels, ensuring that children receive lower brightness than adults, thereby preventing eye strain while maintaining adequate picture visibility.
Data Source
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AI summary
The disclosure discloses a TV backlight control method, which includes the following operations of: acquiring current first ambient brightness information and a user type in a space where a TV set is located; determining a backlight adjustment value according to the first ambient brightness information and the user type. The brightness value of the TV backlight is reduced according to the backlight adjustment value. The present disclosure further discloses a control device, a TV set and a readable storage medium.