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LED control utilizing dynamic resistance of LEDs

A technology of LED arrays and LED bulbs, applied to semiconductor devices, instruments, electric light sources, etc. of light-emitting elements, can solve problems such as high maintenance costs, environmental problems, and inability to easily replace incandescent light sources.

Inactive Publication Date: 2007-08-15
REMCO SOLID STATE LIGHTING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The various problems with these bulbs are that they often fail, generate a lot of heat, and use a lot of electricity to produce light
[0005] However, problems with such bulbs remain that they often fail resulting in high repair costs, and when disposed of, mercury vapor inside the bulbs can cause environmental problems
However, such LED bulbs neither easily replace incandescent light sources nor are they significantly more energy efficient for the same light output
In addition, from the above, no attempt has been made to replace fluorescent lamp assemblies with LED light sources.

Method used

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  • LED control utilizing dynamic resistance of LEDs
  • LED control utilizing dynamic resistance of LEDs
  • LED control utilizing dynamic resistance of LEDs

Examples

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Embodiment Construction

[0036] The LED light assembly of the present invention includes four main blocks: the interface, the power / control section, the heating core, and the LED array and optics. The interface connects the LED light assembly to a power source. Preferably, in one embodiment, the interface allows the LED light assembly to be a light bulb for use in existing incandescent assemblies as described below. In other embodiments, LED light assemblies replace traditional fluorescent light assemblies. The power / control section is responsible for supplying and controlling power to the LED bulb array, ensuring optimum light output over a wide range of ambient temperatures, and maximizing the lifetime of individual LEDs to provide efficient heat dissipation. The electrical / thermal core enables the interconnection of very high density LED arrays. The LED array / optics provide the desired emission spectrum and distribution of light from the LEDs. The structure and operation of a preferred embodimen...

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Abstract

The present invention is directed to an LED light fixture. The LED light fixture comprises an interface for connecting the fixture to a source of electrical power, a power control section for supplying and controlling power to an LED array producing a light of a suitable intensity and color for the task for which the fixture is to be used and a light diffuser for diffusing the light from the LED array. The present invention is also directed to a novel power control for supplying and controlling power to an LED array comprising a non switching linear design based on a monolithic approach of power control whereby the load (the LED array) becomes part of the power control system.

Description

technical field [0001] The present invention relates to LED light fixtures to replace existing lighting fixtures, particularly residential and commercial fixtures. In particular, the present invention relates to an LED light assembly wherein the LED bulb is part of a control system for controlling the power of the LED light assembly. Background technique [0002] A common light source used in residential and commercial lighting is the incandescent light bulb, which produces light using a metal filament that is heated by passing an electric current through the filament contained in a vacuum that may also contain mercury vapor Or halogen gas (hologenatmosphere). The various problems with these light bulbs are that they often fail, generate a lot of heat, and use a lot of electricity to produce light. These disadvantages lead to high maintenance costs, increased room temperature and unnecessary energy consumption. [0003] Attempts have been made to increase the efficiency o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B33/00H05B37/02F21V23/00F21V8/00F21V19/00F21V29/503F21V29/508
CPCF21Y2111/008F21K9/13F21Y2101/02F21W2131/103F21S8/02F21K9/23F21V29/673F21Y2107/60F21Y2115/10
Inventor 罗纳德·詹姆斯·罗素
Owner REMCO SOLID STATE LIGHTING
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