Dust-Free Reverse Film Application Box for Smartphone Screens
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Solution Overview
Problem
The traditional film application process for smartphones often results in bubble formation between the film and the screen, affecting the appearance and touch sensitivity due to manual peeling and pressing, leading to poor application effectiveness.
Innovation Solution
An integrated dust-free reverse film application box with a folding structure and snap-fit connections allows for sealed space application, featuring a protective film with a pull tab and positioning holes for smooth air expulsion and easy operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual peeling and pressing is used to apply the film, then the film can be applied to the screen, but bubbles form between the film and the screen affecting appearance and touch sensitivity
Solution Approach 1:
The patent introduces a specialized application box as an intermediary device that provides a controlled environment for film application. The box includes a positioning structure with guide slots and pressing mechanisms that mediate between the user's manual operation and the film application process, ensuring proper alignment and bubble-free adhesion without requiring complex manual techniques
Solution Approach 2:
The application box is divided into functional segments including a positioning module with guide slots, a pressing module with rolling elements, and a sealing module. Each segment performs a specific function: positioning the film correctly, expelling air bubbles through controlled pressing, and sealing the application area. This segmentation allows complex film application to be broken down into manageable, automated steps
2Ease of operation
If the film is applied in an open environment, then the operation is convenient, but dust and air bubbles interfere with the application process
Solution Approach 1:
The application box creates a controlled, enclosed environment that isolates the film application process from the external atmosphere. The box seals around the phone and film, creating a dust-free zone where air bubbles can be systematically expelled through the positioning and pressing mechanisms without external contamination interfering with the application
3Manufacturing precision
If a sealed application box is used, then dust-free application is achieved, but the device complexity increases
Solution Approach 1:
The application box is designed as a universal device that can accommodate different phone models and film types through adjustable positioning mechanisms. The same basic structure with guide slots, pressing elements, and sealing components serves multiple functions: positioning, dust exclusion, bubble expulsion, and sealing, reducing the need for model-specific complex structures
Data Source
AI summary
An integrated dust-free reverse film application box includes a main body. The main body includes a foldable packaging box, which includes a lower cover plate, an upper cover plate, and a connecting plate. First and second mobile phone frames are provided on an inner side of the upper cover plate and an inner side of the lower cover plate, respectively. The first mobile phone frame is provided with a first limit slot and a positioning slot. The second mobile phone frame is provided with a second limit slot with a film assembly and a positioning column corresponding to the positioning slot. Snap slots and snap parts are symmetrically provided on both sides of each of the first mobile phone frame and the second mobile phone frame, respectively. The positioning column is provided at an end of the second mobile phone frame near the first mobile phone frame.