Glass Screen Protector with Non-Conductive Vacuum Metallization
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Solution Overview
Problem
Existing screen protectors for electronic devices are ineffective in preventing damage to touch screens, as they are typically made of plastic and lack aesthetic appeal, leading to increased chances of screen damage and user non-compliance.
Innovation Solution
A glass screen protector with non-conductive vacuum metallization, applied patterns, and an optically clear adhesive, manufactured using soda-lime glass and a specific process involving tempering, ultrasonic washing, and chemical reagent baths, providing a durable and visually appealing solution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If plastic screen protectors are used, then manufacturing cost is reduced, but protective capability and durability are insufficient
Solution Approach 1:
The patent changes the material parameter from plastic to glass, fundamentally improving protective capability while maintaining manufacturing feasibility through established glass processing techniques like cutting, tempering, and coating
Solution Approach 2:
The patent creates a composite structure by combining glass substrate with metallization layers and adhesive coatings, achieving superior protection while integrating multiple functions in a manufacturable composite material system
2Ease of operation
If plain plastic screen protectors are used, then manufacturing cost is reduced, but aesthetic appeal deteriorates leading to user non-compliance
Solution Approach 1:
The patent applies metallization layers that can create various visual effects including reflective, transparent, and patterned appearances, significantly improving aesthetic appeal while maintaining relatively simple manufacturing processes
Solution Approach 2:
The patent adds visual dimension through metallization patterns and optical effects on the glass surface, enhancing aesthetic appeal without adding physical complexity to the basic screen protector structure
3Strength
If glass screen protectors with metallization are used, then aesthetic appeal and protective capability are improved, but manufacturing process complexity increases
Solution Approach 1:
The patent performs preliminary actions by pre-cutting, pre-tempering, and pre-coating glass sheets before final assembly, allowing standardization and simplification of the overall manufacturing process despite multiple processing steps
Solution Approach 2:
The patent replaces mechanical attachment methods with chemical adhesion through specialized adhesive coatings and metallization bonds, eliminating mechanical fasteners and simplifying the assembly process
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 glass screen protector effectively prevents scratches and damage while maintaining touch sensitivity and visibility, offering enhanced protection against accidental drops and scrapes, and is designed to be aesthetically pleasing, encouraging user adoption.
Implementation Method 1
at least one pattern formed from non-conductive vacuum metallization
Implementation Method 2
tempering the one or more individual pieces of soda-lime glass
Implementation Method 3
cleaning the one or more individual pieces of soda-lime glass in an ultrasonic wash bath
Implementation Method 4
placing the one or more individual pieces of soda-lime glass in an chemical reagent bath, the chemical reagent bath removing the non-conductive vacuum metallization layer
Data Source
AI summary
A glass screen protector and methods of manufacturing thereof. In example embodiments, the glass screen protector adheres to an electronic device screen to provide protection thereto. In example forms, the glass screen protector includes a generally rectangular glass sheet and at least one pattern formed from non-conductive vacuum metallization.