Anisotropic Conductive Film Protection for Liquid Crystal Testing Terminals
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing liquid crystal devices face issues with corrosion resistance and contamination of testing terminals and wiring lines due to exposure, leading to short circuits and electrolytic corrosion, which affects the mounting quality and reliability of the display panel.
Innovation Solution
The electro-optical device employs an anisotropic conductive film to cover and protect the testing terminals and wiring lines, ensuring they do not overlap with the electrodes, thereby preventing foreign material adherence and contamination, and electrically connects the wiring lines to the counter electrode for improved corrosion resistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the testing terminal and wiring lines are exposed to the outside for testing purposes, then the display panel state can be tested, but the corrosion resistance deteriorates and foreign materials easily permeate
Solution Approach 1:
An anisotropic conductive film is introduced as an intermediary layer between the external environment and the testing terminals/wiring lines. This film allows electrical testing while blocking foreign materials and moisture, thus maintaining both testing capability and corrosion resistance
Solution Approach 2:
The anisotropic conductive film serves as a thin film protective layer that covers the testing terminals and wiring lines. This flexible protective layer enables electrical contact for testing while preventing contamination, resolving the contradiction between accessibility and protection
2Ease of operation
If the electrode portion is exposed to the outside for testing, then the display panel state can be tested, but foreign materials or water may easily permeate into the electrode portion
Solution Approach 1:
The anisotropic conductive film acts as a protective thin film that covers the exposed electrode portions and wiring lines. This film allows probe contact for testing while preventing foreign materials and moisture from permeating into the electrode portions
Solution Approach 2:
The anisotropic conductive film serves as a mediator between the testing probe and the electrode portions. It enables electrical testing functionality while acting as a barrier against harmful foreign materials and water permeation
3Ease of operation
If the wiring lines are exposed to the outside, then testing can be performed, but shorting occurs between wiring lines due to contamination
Solution Approach 1:
The anisotropic conductive film provides a protective covering over the exposed wiring lines and terminals. This thin film barrier prevents contamination that would cause shorting between adjacent wiring lines, while still allowing electrical testing to proceed
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 solution effectively enhances the corrosion resistance and reduces contamination risks for the testing terminals and wiring lines, preventing short circuits and improving the overall reliability and durability of the liquid crystal device.
Implementation Method 1
an anisotropic conductive film interposed therebetween
Data Source
AI summary
There is an electro-optical device. The electro-optical device includes: a substrate; a plurality of terminals, a plurality of gate lines, a plurality of source lines, and a plurality of wiring lines that are provided on the substrate; a mounting component that is mounted on the substrate with an anisotropic conductive film interposed therebetween and has a plurality of electrodes; and a counter substrate that is disposed so as to be opposite to the substrate and has a counter electrode. Further, the wiring lines are electrically connected to the counter electrode, the plurality of terminals includes testing terminals that are electrically connected to any one of the gate lines, the source lines, and the wiring lines, the plurality of terminals are disposed at locations, on the substrate, that two-dimensionally overlap the mounting component, and locations that do not overlap the plurality of electrodes of the mounting component, and the plurality of terminals are covered with the anisotropic conductive film that are provided between the mounting component and the substrate.