Configurable LED Lamp with Switchable Light Qualities
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
There is a need for LED lighting devices that offer adjustable and configurable light settings, such as color temperature, brightness, and color rendering index (CRI), to address the limitations of incandescent and compact fluorescent bulbs, including aesthetic concerns and efficiency issues, while avoiding the hazards of halogen bulbs.
Innovation Solution
An LED lighting device with driver circuitry and a switch that allows users to select between set and configurable operating modes, enabling adjustment of light qualities through a user-selection switch, remote control, or mobile device, allowing for customizable light settings based on user preferences.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If compact fluorescent bulbs are used to improve energy efficiency, then energy consumption is reduced, but the light color temperature and aesthetic appeal deteriorate
Solution Approach 1:
The LED lighting device incorporates multiple LED chips with different color temperatures (warm white, cool white, daylight) that can be dynamically switched between. The driver circuitry enables dynamic adjustment of which LED chips are active, allowing the light output to adapt to different user preferences and applications while maintaining energy efficiency.
Solution Approach 2:
The system changes the operational parameters of the lighting device by selectively activating different LED chip groups with distinct color temperature characteristics. This allows the same physical device to produce varied light outputs (different color temperatures) without changing the underlying hardware configuration, resolving the contradiction between energy efficiency and aesthetic appeal.
2Illumination intensity
If halogen bulbs are used to improve light quality and color rendering, then aesthetic appeal is improved, but energy efficiency and safety deteriorate
Solution Approach 1:
The LED lighting device uses driver circuitry that can dynamically select and switch between multiple LED chip groups with different color temperatures. This dynamic capability allows the system to provide high-quality light rendering similar to halogen bulbs when needed, while maintaining the energy efficiency of LEDs, thus resolving the contradiction between light quality and energy efficiency.
3Adaptability or versatility
If multiple lighting sources are used to provide various light qualities, then light quality versatility is improved, but device complexity and cost deteriorate
Solution Approach 1:
The patent combines multiple LED chips with different color temperatures into a single integrated lighting device. The driver circuitry merges the control of these different LED chips, allowing one device to replace multiple separate lighting sources. This consolidation provides various light quality options while reducing overall system complexity and cost.
Solution Approach 2:
The LED lighting device is designed with multi-functionality, incorporating LED chips that can produce different color temperatures (warm white, cool white, daylight) within a single device. This universal design allows one lighting source to fulfill multiple lighting needs that previously required separate bulbs or fixtures, thereby reducing device complexity while maintaining versatility.
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 lighting conditions to various applications and environments, enhancing aesthetic appeal and efficiency while eliminating hazardous materials, and reducing the need for multiple lighting sources.
Implementation Method 1
one or more LED packages; driver circuitry configured to provide a controllable electrical current to at least one of the one or more LED packages
Data Source
AI summary
An LED lighting device or LED lamp comprises one or more LED packages, and a switch comprising at least two selectable positions. At least one selectable position corresponds to a set operating mode and one selectable position corresponds to a configurable operating mode. When the switch is in the selectable position corresponding to the set operating mode, responsive to receiving an indication of user input for selecting user-selected operating light qualities, the one or more LED packages continue to be operated in accordance with the predefined operating light qualities corresponding to the set operating mode. When the switch is in the selectable position corresponding to the configurable operating mode, responsive to receiving an indication of user input for selecting user-selected operating light qualities, operation of the one or more LED packages is modified in accordance with the user-selected operating light qualities.