Roller Applicator for Bubble-Free Protective Film on Electronics
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing methods for applying protective films to electronic devices are messy, require waiting for the solution to dry, and often result in air bubbles that can take days to dissipate.
Innovation Solution
A roller apparatus is used to apply protective films to electronic devices, eliminating the need for a wet fluid solution and allowing for immediate removal of air bubbles in a single motion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a wet fluid solution is used to apply the protective film, then the film can adhere to the electronic device, but the application process becomes messy and requires waiting for the solution to dry
Solution Approach 1:
The patent extracts and removes the wet fluid solution from the application process entirely. Instead of using a liquid adhesive solution that requires drying time, the invention employs a dry adhesive layer that is already integrated with the protective film, eliminating the mess and waiting time associated with wet solutions while maintaining reliable adhesion.
Solution Approach 2:
The patent introduces a transfer sheet as an intermediary carrier that holds the protective film with its dry adhesive layer. This transfer sheet allows for clean, controlled application by enabling the film to be positioned and then transferred to the device surface without direct contact with messy wet solutions, improving both cleanliness and precision.
2Ease of manufacture
If a wet fluid solution is used to apply the protective film, then the film can be applied to the surface, but air bubbles are trapped and take days to dissipate
Solution Approach 1:
The patent removes the wet fluid solution from the process, which is the source of trapped air bubbles. By using a dry adhesive system with a transfer sheet, the application process allows air to be easily expelled during the transfer operation, eliminating the need to wait days for bubbles to dissipate while maintaining ease of film application.
Solution Approach 2:
The protective film is pre-coated with a dry adhesive layer during manufacturing, and the transfer sheet is prepared in advance with the film attached. This preliminary preparation allows for clean, bubble-free application during the transfer process, eliminating the need for post-application drying time and accelerating the overall process.
3Ease of manufacture
If a wet fluid solution is used, then the protective film can be applied, but the electronic device cannot be used until the solution dries
Solution Approach 1:
The patent eliminates the wet fluid solution and its associated drying time by using a dry adhesive system. The protective film with integrated dry adhesive can be applied and immediately used, removing the device downtime constraint while preserving the ability to apply the film correctly through the transfer sheet method.
Solution Approach 2:
The dry adhesive system enables continuous use of the electronic device immediately after application, as no drying time is required. The transfer sheet process allows for complete and immediate bonding, ensuring that the device can be used without interruption or waiting period, thus maintaining continuous productive action.
Data Source
AI summary
Devices, methods and systems disclosed herein relate to the application of a protective film on a surface of an electronic device that instantly reduces air bubbles and eliminates the waiting time usually required when using a wet fluid solution. In one embodiment, a flange may be configured to couple to the protective film. The flange may aid in the accurate application of the protective film to the electronic device.