Touch-Sensing LED Bulb Control for Adjustable Color Mixing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing lighting control methods for LED devices are inflexible, inconvenient, or overly complex, failing to accommodate the diverse form factors and user needs of modern LED bulbs and fixtures.
Innovation Solution
A lighting apparatus with a bulb shell containing a support structure, LED modules, and a touch sensor that adjusts light parameters like color temperature and color through a driver circuit in response to user touch events, allowing intuitive control without external switches.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional wall switches or remote controls are used for lighting control, then the control function is achieved, but the device complexity increases and user convenience decreases due to fixed switch positions or reliance on external devices
Solution Approach 1:
The patent merges the control function directly into the lighting device by integrating a touch sensor and control circuit within the bulb structure. This eliminates the need for separate wall switches or remote controls, allowing users to control the light by simply touching the bulb surface, thereby improving convenience while maintaining simple device architecture
Solution Approach 2:
The lighting device performs its own control function through integrated touch sensing capability. The bulb serves both as the light source and the control interface, eliminating dependency on external controlling devices. The touch sensor detects user input directly on the bulb surface and the control circuit processes these inputs to adjust lighting parameters
2Adaptability or versatility
If LED modules with adjustable mixing ratios are used, then the lighting adaptability and color control are improved, but the device complexity and manufacturing cost increase
Solution Approach 1:
The patent divides the lighting function into multiple independent LED modules with different color temperatures (e.g., warm white, neutral white, cool white). Each module can be independently controlled through pulse width modulation (PWM) or current adjustment, allowing flexible mixing ratios to achieve various color temperatures and lighting effects while maintaining modular simplicity for manufacturing and assembly
3Ease of operation
If touch sensor control is integrated into the bulb, then the ease of operation is improved, but the reliability may be affected by environmental sensitivity and false activation
Solution Approach 1:
The control circuit incorporates feedback mechanisms to distinguish between intentional touch inputs and environmental disturbances. The system monitors touch sensor signals and applies threshold filtering or pattern recognition to differentiate between deliberate user actions (such as deliberate touches or prolonged contact) and accidental activations caused by vibrations or environmental factors, thereby improving reliability while maintaining ease of operation
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 adaptable, user-friendly control of LED lighting characteristics, balancing convenience, cost, and reliability by integrating touch-sensitive controls within the bulb design.
Implementation Method 1
The touch sensor is disposed on the support structure and configured to detect a user touch event
Implementation Method 2
The plurality of LED modules are configured to emit light having controllable parameters including at least one of color temperature or color by adjusting a mixing ratio among the plurality of LED modules
Implementation Method 3
light-emitting diode (LED) technology has fundamentally reshaped how illumination devices are designed and deployed
Data Source
AI summary
An apparatus includes a bulb shell, a support structure, a light source, a touch sensor and a driver circuit. The support structure is disposed within the bulb shell. The light source includes a plurality of LED modules mounted on the support structure. The plurality of LED modules are configured to emit light having controllable parameters including at least one of color temperature or color by adjusting a mixing ratio among the plurality of LED modules. The touch sensor is disposed on the support structure and configured to detect a user touch event. The driver circuit is configured to receive a signal indicative of the user touch event from the touch sensor and, in response thereto, generate control signals to adjust the mixing ratio among the plurality of LED modules, thereby modifying at least one of the controllable parameters of the emitted light.