Segmented Polycarbonate Eyewear Lens for Blue Light Protection

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Solution Overview

Problem

Conventional eyewear systems do not effectively protect the eyes from blue light emitted by electronic devices, which can cause harmful effects due to its high energy and deep penetration into the eye.

Innovation Solution

The eyewear system features lenses with a clear top portion and an orange bottom portion, where the orange portion is designed to block blue light, allowing users to tilt their head to switch between clear and blue light-blocking visibility, utilizing colored polycarbonate for optimal blue light blocking without the need for external films.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Object-affected harmful factors

If conventional clear lenses are used, then full visibility is maintained, but blue light protection is not provided

Engineering Contradiction:

Improveblue light protectionVSAvoidvisibility

Core Design Contradiction:

Object-affected harmful factorsVSIllumination intensity

Solution Approach 1:

The lens is divided into two distinct segments: a clear top portion for unobstructed visibility and an orange bottom portion for blue light blocking. This segmentation allows each portion to perform its specialized function optimally without compromising the other.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

Different regions of the lens are assigned different optical properties - the top portion remains clear for maximum visibility, while the bottom portion is colored orange to specifically block blue light wavelengths. Each local region is optimized for its intended purpose.

Inventive Principle:

Principle #3Local quality

2Object-affected harmful factors

If blue light blocking lenses are used, then eye protection is improved, but visibility and aesthetic appeal are reduced

Engineering Contradiction:

Improveeye protection from blue lightVSAvoidvisibility quality

Core Design Contradiction:

Object-affected harmful factorsVSIllumination intensity

Solution Approach 1:

The protective function is segmented from the visibility function, with only the bottom portion of the lens providing blue light blocking while the top portion maintains clear visibility. This resolves the contradiction by providing protection only where needed.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The eyewear system serves multiple functions through a single lens design: it provides both clear visibility (through the top portion) and blue light protection (through the bottom portion), making it a multi-functional optical device.

Inventive Principle:

Principle #6Universality (Multi-functionality)

3Object-affected harmful factors

If separate clear and blue light blocking glasses are used, then specialized protection is achieved, but device complexity and user convenience are reduced

Engineering Contradiction:

Improvespecialized blue light protectionVSAvoidnumber of eyewear devices needed

Core Design Contradiction:

Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The patent merges two separate eyewear functions (clear vision glasses and blue light blocking glasses) into a single integrated lens. The clear top portion and orange bottom portion work together in one device, eliminating the need for users to switch between multiple pairs of glasses.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

A single eyewear device performs multiple functions: the clear portion provides standard vision correction and transparency, while the orange portion provides blue light filtration. This multi-functionality reduces the total number of devices users need to own and manage.

Inventive Principle:

Principle #6Universality (Multi-functionality)

4Object-affected harmful factors

If the entire lens is made orange to block blue light, then blue light protection is maximized, but visibility and aesthetic versatility are compromised

Engineering Contradiction:

Improveblue light blocking effectivenessVSAvoidoverall visibility

Core Design Contradiction:

Object-affected harmful factorsVSIllumination intensity

Solution Approach 1:

Instead of applying uniform orange coloring across the entire lens, only the bottom portion is colored while the top remains clear. This local application of the blue light blocking property maintains visibility where needed while providing protection in the lower visual field.

Inventive Principle:

Principle #3Local quality

Solution Approach 2:

The lens is segmented into clear and orange zones, allowing the orange portion to maximize blue light blocking where it is most needed (lower visual field during typical device use) while the clear portion maintains unobstructed visibility for general surroundings.

Inventive Principle:

Principle #1Segmentation

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 design enables a single pair of glasses to be used for multiple purposes, effectively blocking blue light from various sources, including electronics, phones, and the sun, while maintaining full visibility when needed, thus providing enhanced eye protection and versatility.

Implementation Method 1

the orange portion is designed to block blue light

Methodology Applied

Scientific EffectLight absorption: Absorption (EM radiation)

Data Source

PatentUS11579469B2Blue light blocking eyewear and method of use

Publication Date: 2023.02.14 LAM JAMES

AI summary

An eyewear includes an eyewear frame; and two lenses held in place via the eyewear frame, each of the two lenses having a top portion composed of a clear polycarbonate; and a bottom portion integral with the top portion and composed of an orange polycarbonate; the bottom portion absorbs blue light and the top portion allows all light through.