Aerosol Device Illumination Concealment via Optical Layers
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Solution Overview
Problem
Aerosol generation devices face challenges in providing reliable visual feedback under adverse lighting conditions and aesthetic design due to light-emitting indicators being difficult to discern when not emitting light, leading to confusion about the device's state and consumable usage.
Innovation Solution
The device incorporates a light-transmissive portion with a laminar structure comprising a partially or fully transparent layer and a partially light-reflective layer, allowing light emission when active and concealing the illumination unit when not active, along with a light-diffusive layer for aesthetic and protective purposes, and adjustable colors for various appearances.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If light-transmitting holes or light-guides are provided in the housing to make light-emitting indicators visible, then the indicators can be seen by users, but the housing appearance is broken and visual feedback is difficult to discern under adverse lighting conditions
Solution Approach 1:
The patent applies a light-transmissive portion with specific optical properties that changes its appearance based on lighting conditions. When the illumination unit is off, the light-transmissive portion appears opaque or translucent, blending with the housing exterior. When illuminated, it becomes transparent to allow light passage, providing visual feedback while maintaining aesthetic appearance.
Solution Approach 2:
The patent changes the optical parameters of the housing exterior by using a light-transmissive portion with specific transmittance characteristics. This portion has different optical properties compared to the opaque housing, allowing it to transmit light when needed while maintaining a unified appearance when the illumination unit is off, thus resolving the contradiction between visibility and aesthetics.
2Loss of information
If light-emitting indicators are made visible through holes or light-guides in the housing, then users can see the indicators, but it becomes challenging to discern between illuminated and non-illuminated states under disadvantageous lighting situations
Solution Approach 1:
The light-transmissive portion utilizes optical property changes to provide clear visual feedback. When the illumination unit emits light, the light-transmissive portion allows this light to pass through, creating a distinct visual contrast that is easily distinguishable from the housing exterior even under adverse lighting conditions.
Solution Approach 2:
The light-transmissive portion acts as an intermediary element between the illumination unit and the external environment. It mediates the transmission of light while maintaining a unified appearance with the housing, providing clear visual feedback about the operational state without being affected by external lighting conditions.
3Loss of information
If multiple light sources form a contiguous illumination region with some on and some off, then visual feedback about device state is provided, but users cannot easily discern which light sources are off
Solution Approach 1:
The patent applies local quality by making specific portions of the housing (the light-transmissive portion) have different optical properties from the rest of the housing. This allows the illumination unit to be visible through the light-transmissive portion when emitting light, while the same portion blends with the housing exterior when the illumination unit is off, making the off state clearly distinguishable.
Solution Approach 2:
The light-transmissive portion changes its optical appearance based on the illumination state. When light sources are off, the light-transmissive portion appears opaque or translucent, making the off state clearly visible. When light sources are on, the light-transmissive portion becomes transparent, allowing the illuminated regions to be seen clearly against the translucent background.
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 solution enhances user understanding of the device's state and consumable usage by ensuring the illumination unit is visible only when active, maintaining an aesthetically pleasing design by preventing visual disruptions and improving optical properties for better concealment and visibility.
Implementation Method 1
the exterior wall comprising or substantially consisting of a light-transmissive portion arranged such that light emitted by the illumination unit is transmitted through the light-transmissive portion
Implementation Method 2
the light-transmissive portion comprises a laminar structure including a partially or fully transparent layer and a partially light-reflective layer
Implementation Method 3
along with a light-diffusive layer for aesthetic and protective purposes
Data Source
AI summary
An aerosol generation device has a partially opaque portion for rendering an illumination unit non-visible when the illumination unit is not emitting light. An aerosol generation device has a housing and an illumination unit capable of emitting light and covered by an exterior wall of the housing, the exterior wall including or substantially consisting of a light-transmissive portion arranged such that light emitted by the illumination unit is transmitted through the light-transmissive portion, wherein the illumination unit is not visible through the light-transmissive portion from the exterior of the device when the illumination unit does not emit light.