Automated Display Test System Using Gantry Scanning
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Solution Overview
Problem
The manual and time-consuming process of testing and calibrating display screens of varying sizes in consumer electronics is prone to errors and inconsistencies, making quality control challenging for distributors.
Innovation Solution
An automated system using a gantry system with a scanning mechanism and a color analyzer probe that autonomously identifies points of interest on the display screen, performs calibration and testing, and generates reports without requiring manual input of screen size, utilizing a software application to illuminate and scan discrete areas for luminance readings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual testing and calibration is performed on display screens of varying sizes, then each product can be individually tested, but the process becomes extremely time consuming and error prone
Solution Approach 1:
The system automatically identifies display screen boundaries and determines screen sizes without requiring manual measurement or data entry. The automated display test system performs self-calibration by detecting the display area through coordinate mapping, eliminating the need for operators to manually input screen dimensions for each device tested.
2Adaptability or versatility
If manual screen size entry is required for each device, then individual product testing can be performed, but the process becomes inconsistent and error prone
Solution Approach 1:
The system replaces manual measurement and data entry operations with automated optical detection and coordinate mapping. The automated display test system uses a camera or sensor to capture display screen images and automatically determines screen boundaries and sizes through image processing algorithms, eliminating human error and ensuring consistent results across all devices.
3Productivity
If automated testing is implemented, then testing efficiency is improved, but the system complexity increases
Solution Approach 1:
The automated display test system is designed to accommodate multiple display screen sizes and types through a universal testing platform. The system uses programmable coordinate mapping and adjustable test parameters that can be configured for different device types, allowing a single automated system to handle various display formats without requiring separate specialized equipment for each screen size.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach ensures accurate, efficient, and consistent testing of display performance, including flicker, luminosity, and color state, across different screen sizes, reducing human error and improving quality control efficiency.
Implementation Method 1
A probe mounted on the scanning mechanism records luminance readings of the display screen at different locations
Data Source
AI summary
A system and method for autonomously testing display performance in which a scanning mechanism with a two-directional mobile gantry plate, a probe, and a controller automatically operate a test device to illuminate discrete areas of the display screen based on the detected screen size, correlate the tracking position of a measurement location on the display screen for each reading of an illuminated area in a dictionary, and perform one or more of a flicker test, a luminosity test, and a color state test at the determined locations.