Optical Path Folding Structure With Organic Plate for Collision Safety
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Inorganic glass in display apparatuses is prone to breakage in collision scenarios, posing a safety risk.
Innovation Solution
Incorporating an organic plate on the outer side of the inorganic glass in the optical path folding unit, along with an anti-reflection layer to reduce ambient light reflection and enhance safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If inorganic glass is used in the optical path folding unit, then optical performance is improved, but safety performance deteriorates due to breakage risk in collision scenarios
Solution Approach 1:
The patent combines inorganic glass with an organic plate to form a composite protective structure. The inorganic glass layer provides optimal optical performance for the optical path folding unit, while the organic plate layer provides enhanced safety and collision resistance. This composite structure resolves the contradiction by integrating materials with complementary properties - the glass ensures optical functionality while the organic material mitigates breakage risks.
2Ease of operation
If an anti-reflection layer is added to reduce ambient light reflection, then user experience is improved, but device complexity increases
Solution Approach 1:
The patent integrates the anti-reflection layer with the existing multi-layer optical structure by combining it with the polarization state conversion layers. Rather than adding a completely separate component, the anti-reflection functionality is merged into the existing optical path folding unit structure, reducing overall device complexity while still achieving the desired reduction in ambient light reflection and improvement in user experience.
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 organic plate provides protection in collision scenarios while the anti-reflection layer reduces ambient light reflection, improving safety and user experience.
Implementation Method 1
the organic plate disposed on an outer side of the inorganic glass can provide protection, to improve safety performance of the display apparatus in the collision scenario
Implementation Method 2
The at least two polarization state conversion layers are used to control a polarization state of ambient light incident to the optical path folding unit, so that reflection of the ambient light can be reduced
Implementation Method 3
The optical path folding layer is attached to the inorganic glass, and is used to transmit at least a part of the imaging light from the imaging unit to human eyes
Data Source
AI summary
An apparatus includes a picture generation unit, an optical path folding unit, and an imaging unit. The picture generation unit is configured to emit image light. The optical path folding unit is configured to direct the image light from the picture generation unit to the imaging unit. The imaging unit is configured to form a virtual image based on the image light from the optical path folding unit. The optical path folding unit includes an optical path folding layer, inorganic glass, and an organic plate that are sequentially stacked along an emergent optical path of the imaging unit. The display apparatus has high safety performance in a collision scenario.