Intelligent Light Alignment Driving System for HVA LCD Arrays
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Solution Overview
Problem
Current voltage-applying systems for HVA-type LCDs are incompatible with array curing methods, unable to achieve multi-push-multi-curing, have poor stability, and require manual operations, leading to yield loss and quality issues due to inability to synchronize signals and automatically switch between long and short side lines.
Innovation Solution
An intelligent light alignment driving system comprising a mains electricity supply module, voltage regulation system, UPS/PC module, phase shifter, APS module, automatic jumper system, and probe bar, which transforms 380V to stable single-phase 220V, attenuates and amplifies signals, and uses a static transfer switch for automatic signal selection and output.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual operations are used for voltage application and signal switching, then device complexity is reduced, but productivity decreases and reliability deteriorates due to manual errors and inability to synchronize signals
Solution Approach 1:
The system performs automatic voltage application and signal switching without manual intervention. The controller automatically controls the APS module output, phase shifter, and jumper system based on pre-set parameters, eliminating manual operations and improving productivity while maintaining synchronization accuracy.
Solution Approach 2:
The system pre-configures voltage application parameters, signal routing paths, and switching sequences before production. The controller has pre-set configurations for different panel types and sizes, allowing automatic execution without real-time manual decision-making, thus improving both productivity and reliability.
2Reliability
If automatic jumper system is implemented for signal switching, then reliability improves through synchronized signal control, but device complexity increases due to additional automatic switching components
Solution Approach 1:
The automatic jumper system serves multiple functions: it switches between long-side and short-side signal lines, adapts to different panel sizes and types, and coordinates voltage application timing. This multi-functional design improves reliability through centralized control while avoiding the need for separate manual switching systems.
Solution Approach 2:
The controller acts as an intermediary between the APS module, phase shifter, and jumper system. It coordinates signal routing and timing automatically, ensuring synchronized operation without requiring complex direct connections between components. This intermediary control simplifies the overall system architecture while improving reliability.
3Reliability
If voltage regulation system is added to transform 380V to stable single-phase 220V, then reliability of voltage output improves, but device complexity increases
Solution Approach 1:
The voltage regulation system serves as an intermediary between the mains electricity supply (380V) and the APS module (requiring stable 220V). This intermediate voltage transformation and stabilization ensures reliable operation of subsequent components without exposing them to voltage fluctuations, improving overall system reliability while using a standardized regulation approach.
4Productivity
If multi-push-multi-curing capability is implemented, then productivity increases by curing multiple panels simultaneously, but device complexity increases due to multiple voltage application channels
Solution Approach 1:
The system divides the voltage application process into independent channels, each capable of curing one panel. The controller manages multiple APS modules and jumper configurations simultaneously, allowing parallel processing of multiple panels. This segmentation enables multi-push-multi-curing capability, improving productivity while maintaining manageable complexity through modular architecture.
Solution Approach 2:
The automatic jumper system dynamically reconfigures signal routing based on the number and type of panels being cured. The system can adaptively switch between single-panel and multi-panel configurations, optimizing resource utilization for different production scenarios. This dynamic reconfiguration enables flexible multi-push operation without requiring fixed complex wiring for all possible configurations.
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
The system improves yield and reduces manual operation errors by providing stable and synchronized voltage outputs, enabling automatic switching and synchronization of signals, thus enhancing the reliability and efficiency of the HVA process.
Implementation Method 1
a voltage regulation system, transforming a 380V into a single-phase 220V and outputting stably
Implementation Method 2
a phase shifter, attenuating and amplifying signals
Implementation Method 3
UV irradiation is used to cause the monomers in the LC to react, so that the LC molecules form a pre-tilt angle to achieve the LC alignment
Implementation Method 4
uses a static transfer switch for automatic signal selection and output
Data Source
AI summary
The invention provides an intelligent light alignment driving system and driving method thereof. The system comprises, connected in series: mains electricity supply modules, voltage regulation system, UPS/PC module, phase shifter, APS module, automatic jumper system, and probe bar. The probe bar connects a panel pad of panel to the output of automatic jumper system. The voltage regulation system transforms 380V to single-phase 220V and outputs stably. The phase shifter first attenuates the signal 100 times and then raises jointly 100 times. The invention also provides a corresponding driving method. The intelligent light alignment driving system and the driving method thereof improve the functions of the driving system, meet the requirements of new products/technologies, and realize automation to improve the production yield, reduce the production loss and reduce the occurrence probability of mistake operation events.