Mobile Lantern Lighting Device with Segmented LED Control
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Solution Overview
Problem
Traditional lanterns lack the ability to selectively control the intensity of individual light sources and direct light towards specific portions of the environment, limiting their versatility and energy efficiency.
Innovation Solution
A mobile lantern device with a base and upper portion housing energy storage and LED light sources, a divider to separate light outputs, and a controller to switch between 180-degree and 360-degree illumination modes, allowing for flexible lighting options and reduced energy consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If traditional lanterns use a single light source controlled by a switch, then the device complexity is reduced, but the adaptability for different lighting tasks is worsened
Solution Approach 1:
The patent divides the single light source into multiple separate LED light sources (first LED, second LED, third LED, fourth LED), each positioned at different locations and controlled independently. This segmentation allows users to select different combinations of LEDs for different lighting tasks, thereby improving adaptability while maintaining reasonable device complexity through modular control circuitry.
Solution Approach 2:
The patent implements dynamic control of individual LED light sources through a controller that can selectively activate different LEDs based on the desired lighting task. This dynamic switching capability allows the lighting system to adapt to various scenarios (general illumination, reading, task-specific lighting) without requiring physical reconfiguration, resolving the contradiction between simple control and high adaptability.
2Illumination intensity
If traditional lanterns illuminate the entire surrounding environment, then general lighting effectiveness is improved, but energy consumption increases for task-specific lighting
Solution Approach 1:
The patent enables local quality lighting by allowing selective activation of specific LED light sources based on the task at hand. For example, only the first and second LEDs can be activated for reading tasks requiring localized illumination, while all four LEDs can be activated for general ambient lighting. This selective activation optimizes energy consumption by illuminating only the necessary areas rather than the entire surrounding environment.
3Ease of operation
If traditional lanterns cannot direct light selectively, then the ease of operation is improved, but the ability to perform particular tasks is worsened
Solution Approach 1:
The patent implements dynamic control of individual LED light sources through a controller that can selectively activate different LEDs based on the desired lighting task. This dynamic switching capability allows the lighting system to adapt to various scenarios (general illumination, reading, task-specific lighting) without requiring physical reconfiguration, resolving the contradiction between simple control and high adaptability.
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 users to tailor light output for specific tasks, such as reading or general illumination, while optimizing energy use by providing adjustable and directional lighting.
Implementation Method 1
a first LED coupled to the upper cover and configured to provide a first light output, a second LED coupled to the upper cover and configured to provide a second light output
Implementation Method 2
a plurality of reflectors. The plurality of reflectors include a base reflector and an intermediate reflector, and the plurality of reflectors are positioned to reflect the first light output and the second light output outward from the base portion
Data Source
AI summary
A lantern lighting device includes a base portion defining a user interface, an upper portion coupled to the base portion and having an upper cover, an energy storage device disposed within at least one of the base portion and the upper cover, a first LED and a second LED coupled to the upper cover and configured to provide a first and a second light output, a divider coupled to the base portion and the upper cover, and a controller. The divider forms a partition between the first LED and the second LED that separates the first light output from the second light output. The controller selectively engages the first LED in a first operation mode to provide approximately 180 degrees of illumination or that engages both the first LED and the second LED in a second operation mode to provide approximately 360 degrees of illumination.