Movable Pin Lighting-On Apparatus for LCD Panel Testing
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Solution Overview
Problem
Conventional lighting-on apparatuses for TFT-LCD manufacturing require multiple gate and data line test boards for different liquid crystal display panel models, leading to complex, time-consuming, and costly testing processes due to the need for frequent board replacements.
Innovation Solution
A lighting-on apparatus with movable gate and data line pins, facilitated by respective pin moving units, allowing the pins to adapt to different interface positions and intervals without manual board changes, simplifying the testing process and improving efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple gate line test boards are prepared for different liquid crystal display panel models, then the testing can be performed on various models, but the device complexity and cost increase
Solution Approach 1:
The patent implements a universal gate line test board that can test multiple liquid crystal display panel models by dynamically adjusting the gate line pin positions. Instead of preparing separate test boards for each model, the system uses a single multi-functional board with movable pins controlled by a computer, allowing one board to replace multiple model-specific boards.
Solution Approach 2:
The gate line pins are designed to be movable rather than fixed, allowing their positions to be dynamically adjusted according to different panel models. The pins can be repositioned along the gate line direction to match different interface positions, enabling the test board to adapt to various models without physical replacement.
2Reliability
If operators manually replace gate line test boards for different models, then the correct test board can be used, but the testing time and labor cost increase
Solution Approach 1:
The system enables automatic adaptation to different panel models through computer control. The computer stores interface position information for various models and automatically calculates and controls pin positions based on the selected model, eliminating the need for manual board replacement and reducing human intervention.
Solution Approach 2:
The interface position information for different liquid crystal display panel models is pre-stored in the computer. Before testing begins, the system retrieves the appropriate position data and pre-calculates the required pin positions, so that when testing starts, the pins are already in the correct positions without requiring manual replacement.
3Ease of manufacture
If fixed gate line pin positions are used, then the test board structure is simple, but the adaptability to different interface positions is limited
Solution Approach 1:
The gate line pins are designed with movable capabilities along the gate line direction while maintaining a relatively simple overall structure. The moving mechanism allows position adjustment without significantly complicating the test board design, achieving a balance between structural simplicity and positioning flexibility for different interface locations.
Data Source
AI summary
A lighting-on apparatus comprises at least one gate line pin and further comprises a gate line pin moving unit. The at least one gate line pin is moved by the gate line pin moving unit so that the at least one gate line pin corresponds with a gate line interface of a liquid crystal display panel under test. The lighting-on apparatus according to the embodiments of the present disclosure is configured to perform a test on the liquid crystal display panel, and is capable of simplifying test work of liquid crystal display panels, saving test time and cost, and improving work efficiency.