Film Material Attaching Roller Corner Angle Design
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
In the film material attaching process, linear bubbles often form at the edge of the film material, leading to defects in display screens and increased production costs due to the need for deaeration treatments and larger non-display areas.
Innovation Solution
A film material attaching method where the attaching roller presses a corner of the film material at an angle smaller than the corner's angle, with adjustable pressure and speed, ensuring the roller's trajectory covers the entire film, thereby minimizing bubble formation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a film material is attached by a cylindrical attaching roller pressing along the edge, then the attachment process is simple, but linear bubbles form at the edge of the film material
Solution Approach 1:
The patent changes the attaching roller from a cylindrical symmetric shape to an asymmetric shape with a pressing surface that is perpendicular to the rolling direction. This asymmetric design allows the roller to press the film material from the corner rather than along the edge, fundamentally changing the attachment mechanism to prevent linear bubble formation while maintaining process simplicity
Solution Approach 2:
The patent introduces a new dimensional approach by making the pressing surface of the roller perpendicular to the rolling direction, creating a corner-pressing action that combines both rolling and pressing movements. This dimensional change in the pressing approach eliminates the linear bubble problem that occurs with traditional edge-pressing methods
2Manufacturing precision
If the non-display area is increased to move linear bubbles away from the display region, then display effects are improved, but production cost increases and frame narrowing is hindered
Solution Approach 1:
The patent applies preliminary action by preventing linear bubble formation during the attachment process itself through the corner-pressing method. By addressing the root cause of bubble formation at the source, the need for subsequent deaeration treatments is eliminated, and there is no requirement to increase non-display areas, thereby reducing production costs and enabling frame narrowing
3Manufacturing precision
If deaeration treatment is performed on linear bubbles, then some bubbles can be removed, but the treatment effect is limited and additional process steps are required
Solution Approach 1:
The patent applies preliminary anti-action by using the corner-pressing attachment method to prevent linear bubble formation in the first place. This preventive approach counteracts the bubble formation mechanism before it occurs, making subsequent deaeration treatments unnecessary and simplifying the overall process by eliminating additional process steps
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
Effectively prevents linear bubble formation, reducing production costs and allowing for narrower display device frames without the need for additional deaeration processes.
Implementation Method 1
the adhesive layer between the film material and the backing material will tightly glue and attach the film material and the backing material together
Data Source
AI summary
The present disclosure relates to a technical field of display panel manufacture, in particular relates to a film material attaching method and a film material attachment device. The method includes: putting a film material on a backing material on a base table, a side of the film material with an adhesive layer facing towards the backing material to be attached and aligning the film material and the backing material; pressing a corner of the film material on the base table by an attaching roller which will roll along a preset direction, wherein an included angle between the preset direction and either side of the corner of the film material is smaller than an angle of the corner of the film material. By attaching the film material using an attaching roller at an angle with respect to the film material, instead of attaching the film material directly at one side by an attaching roller in traditional attaching process, the present disclosure can solve the problem that a linear bubble is easily to be generated at the edge of the film material in the attaching process.