Multicolor LED Lamp Color Correction with Closed-Loop Chromaticity Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing multicolor LED lamps require manual adjustment by workers to ensure uniform panchromatic colors, which is time-consuming and inconsistent due to varying worker settings.
Innovation Solution
A method and system for lamp color correction that automatically adjusts monochromatic and panchromatic illuminance and chromaticity coordinates using preset deviation ranges and thresholds to ensure uniformity, involving a host computer, processor, and detector for data processing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If manual adjustment by workers is used to correct lamp colors, then color uniformity can be achieved, but the process is time-consuming and labor-intensive
Solution Approach 1:
The patent replaces the manual mechanical adjustment system with an automated detection and control system. The detector automatically measures monochromatic and panchromatic illuminance and chromaticity coordinates, while the processor automatically calculates correction values and controls the LED modules, eliminating the need for manual worker intervention and significantly improving correction efficiency while maintaining color uniformity
Solution Approach 2:
The system performs self-correction by automatically detecting color deviations and applying corrections without human intervention. The detector measures the actual color parameters, the processor compares them with standard values and calculates necessary adjustments, then the LED modules self-adjust their output to achieve uniform color reproduction, making the correction process autonomous and efficient
2Manufacturing precision
If manual adjustment by workers is used to correct lamp colors, then color uniformity can be achieved, but the process requires high worker skill levels and produces inconsistent results
Solution Approach 1:
The patent replaces the manual mechanical adjustment system with an automated detection and control system. The detector automatically measures monochromatic and panchromatic illuminance and chromaticity coordinates, while the processor automatically calculates correction values and controls the LED modules, eliminating the need for manual worker intervention and significantly improving correction efficiency while maintaining color uniformity
Solution Approach 2:
The system implements a closed-loop feedback mechanism where the detector continuously measures the actual color parameters of the LED lamp, the processor compares these measurements with predetermined standard values, calculates the deviation and necessary correction values, and adjusts the LED module output accordingly. This automated feedback loop ensures consistent and reliable color uniformity without the variability introduced by manual operation
3Productivity
If automated correction system is implemented, then correction efficiency is improved, but device complexity increases
Solution Approach 1:
The patent employs a multi-functional integrated system where the processor performs multiple functions including receiving detection data, storing standard values, calculating correction values, controlling LED module output, and determining acceptability criteria. This consolidation of functions into a single processing unit reduces the number of separate components needed while maintaining high correction efficiency
Solution Approach 2:
The patent introduces a detector as an intermediary component that automatically measures color parameters and provides data to the processor. This intermediary enables automated correction by bridging the gap between the LED lamp and the control system, allowing efficient correction while the detector handles the complex measurement tasks separately from the control logic
Data Source
AI summary
Disclosed are a lamp color correction method and system, and a storage medium. The lamp color correction method includes: acquiring each monochromatic illuminance, each monochromatic chromaticity coordinate, a first panchromatic illuminance and first panchromatic chromaticity coordinates of a target lamp; acquiring a first parameter if the acquired monochromatic and panchromatic illuminances and chromaticity coordinates are acceptable; acquiring an output value of each monochromatic channel; acquiring a second panchromatic illuminance and second panchromatic chromaticity coordinates of the target lamp; and determining that the target lamp is acceptable and updating the output value of each monochromatic channel to the target lamp, if a ratio of the second panchromatic illuminance to the first panchromatic illuminance is greater than or equal to a preset first threshold and a difference between the second panchromatic chromaticity coordinate and a standard panchromatic chromaticity coordinate satisfies a preset third deviation range.