Concealed Illumination Structure for Aerosol Device State Indication
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Solution Overview
Problem
Aerosol generation devices face challenges in providing reliable visual feedback under adverse lighting conditions and have aesthetically unpleasing designs due to visible light-emitting indicators and difficulty in discerning illuminated and non-illuminated light sources.
Innovation Solution
The device incorporates a light-transmissive portion in the housing that conceals the illumination unit when not emitting light, using a laminar structure with transparent and reflective layers to maintain aesthetic appeal and enhance visibility when lit.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If light-transmitting holes or light-guides are provided in the housing to allow light-emitting indicators to be visible, then visual feedback to the user is provided, but the housing appearance is broken up and aesthetic appeal is reduced
Solution Approach 1:
The patent applies a light-transmissive portion with specific optical properties that appears opaque or matches the housing color when no light is emitted, and becomes transparent when light is emitted from the illumination unit. This dynamic optical property change allows the housing to maintain aesthetic appeal while providing visual feedback functionality.
2Loss of information
If light-transmitting holes or light-guides are provided in the housing, then light-emitting indicators are visible, but it becomes difficult to discern whether the indicators are emitting light or not under disadvantageous lighting situations
Solution Approach 1:
The light-transmissive portion changes its optical properties based on the light emission state. When the illumination unit is off, the portion appears opaque or matches the surrounding housing, making it indistinguishable. When the illumination unit emits light, the portion becomes transparent, allowing the light to pass through and creating a clear visual distinction between the on and off states.
3Loss of information
If multiple light sources form a contiguous illumination region with some on and some off, then visual feedback indicating device state is provided, but users cannot easily discern which light sources are off
Solution Approach 1:
The light-transmissive portion becomes transparent when any light source within it emits light, allowing users to see the illuminated regions. The non-illuminated light sources remain invisible against the opaque background, creating a clear visual contrast that helps users understand the illumination pattern and the corresponding device state.
4Loss of information
If light-transmitting holes or light-guides are provided in the housing, then illumination units are visible when emitting light, but the housing design becomes more complex
Solution Approach 1:
The patent employs a composite light-transmissive portion that combines multiple materials or layers with different optical properties. This composite structure achieves both the aesthetic requirement of maintaining housing appearance and the functional requirement of providing visible visual feedback when needed, while avoiding the need for separate light-guides or holes.
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 solution provides clear visual feedback and maintains a sleek design by ensuring the illumination unit is invisible when off and visible when on, improving user understanding and device aesthetics.
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 illumination unit is not visible through the light-transmissive portion from the exterior of the device when the illumination unit does not emit light
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 illumination unit for an aerosol generation device includes a plurality of light sources, wherein each of the light sources is configured to operate in a first power operation mode illuminating the light source at a first brightness level, and a second power operation mode for illuminating the light source at a second brightness level different from the first brightness level, wherein one or more light sources of the plurality of light sources form a contiguous illumination region when the one or more of the plurality of light source are emitting light, and wherein the illumination region is configured to provide to a user visual feedback that indicates a state of the aerosol generation device or a consumable used with the aerosol generation device.