Electronic Device Cover Diffusing Light for Illumination
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Solution Overview
Problem
Conventional electronic devices with projector functions are limited in usability when not outputting images, as they primarily focus on audio transmission, lacking additional functionalities beyond light output.
Innovation Solution
An electronic device with a cover that diffuses output light from a projection lens, allowing the light source to be used for illumination, and a controlling method that recognizes the coupled state or environment of the cover to extend usability by switching between projector and illumination modes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the electronic device is designed with a projector function only, then the projection performance is optimized, but the usability is limited when not outputting images
Solution Approach 1:
The cover is designed to perform multiple functions: it protects the projection lens when not in use, and when coupled to the lens, it diffuses the projected light to enable illumination mode. This allows the electronic device to function both as a projector and as an illumination source, thereby improving versatility without significantly increasing device complexity
2Adaptability or versatility
If the cover is always coupled to the projection lens, then the illumination function is always available, but the projection quality deteriorates due to light diffusion
Solution Approach 1:
The cover is designed to be movable and可拆卸, allowing it to be coupled to or separated from the projection lens based on the desired function. When coupled, it enables illumination mode by diffusing light; when separated, it allows high-quality projection. This dynamic configuration resolves the contradiction between versatility and projection quality
3Area of stationary object
If the light source emits light in all directions, then the illumination coverage is maximized, but the projection lens cannot effectively project the light
Solution Approach 1:
The cover includes a diffusing layer with specific optical properties that selectively diffuse light in certain directions while maintaining directional control. The diffusing layer is positioned and configured to scatter light horizontally for illumination while allowing the projection lens to maintain its optical path, thus achieving both wide illumination coverage and effective projection
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
Enables the electronic device to function as both a projector and an illumination source, enhancing its applicability and usability in various environments by controlling the light source based on the cover's state and environment, thus overcoming the physical limitations of single-function devices.
Implementation Method 1
a cover configured to be selectively adjacent to or distanced from the projection lens, open or close the projection lens, and based on being adjacent to the projection lens, receive the output light projected by the projection lens and diffuse and emit the output light
Implementation Method 2
The cover may include a reflecting layer configured to reflect the output light projected by the projection lens
Data Source
AI summary
An electronic device and a method of controlling an electronic device are provided. The electronic device includes a main body; a light source provided inside the main body, the light source being configured to emit an output light; a projection lens configured to project the output light of the light source; and a cover configured to be selectively adjacent to or distanced from the projection lens, open or close the projection lens, and based on being adjacent to the projection lens, receive the output light projected by the projection lens and diffuse and emit the output light.