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Systems and methods for controlling solid state lighting devices and lighting apparatus incorporating such systems and/or methods

A technology for solid-state lighting and equipment, applied in lighting devices, static indicators, instruments, etc., to solve problems such as changes in discoloration points

Active Publication Date: 2013-08-28
IDEAL IND LIGHTING LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, even with zoning, LED lighting systems can still experience significant variation in color change points between different systems

Method used

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  • Systems and methods for controlling solid state lighting devices and lighting apparatus incorporating such systems and/or methods
  • Systems and methods for controlling solid state lighting devices and lighting apparatus incorporating such systems and/or methods
  • Systems and methods for controlling solid state lighting devices and lighting apparatus incorporating such systems and/or methods

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Embodiment Construction

[0042] Embodiments of the invention will be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the invention are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. Like numbers refer to like elements throughout.

[0043] Embodiments of the present invention provide systems and methods for controlling solid state lighting devices and lighting devices incorporating such systems and / or methods. In some embodiments, the present invention can be used in conjunction with the bypass compensation circuits described in the following U.S. patent application entitled "Solid State Lighting Apparatus with Controllable Bypass Circuits and Methods of Operating Thereof" Appara...

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PUM

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Abstract

A solid state lighting apparatus includes a first plurality of light emitting devices configured to emit light when energized having a first chromaticity, a second plurality of light emitting devices configured to emit light when energized having a second chromaticity, different from the first chromaticity, and a controller configured to control a duty cycle of current supplied to the first plurality of light emitting devices. The controller is configured to control the duty cycle of the first plurality of light emitting devices in response to a change in a plurality of operating conditions of the solid state lighting apparatus in accordance with a model of the duty cycle that relates the duty cycle of the first plurality of light emitting devices to the plurality of operating conditions of the solid state lighting apparatus for a target light output characteristic of the solid state lighting apparatus. Related methods are also disclosed.

Description

[0001] Cross References to Related Applications [0002] This application claims priority under 35 U.S.C. § 119(e) to U.S. Provisional Patent Application Serial No. 61 / 408,860, filed November 1, 2010, the contents of which are hereby incorporated by reference as if fully set forth. technical field [0003] The present invention relates to solid state lighting, and more particularly to solid state lighting systems comprising a plurality of solid state lighting devices and methods of operating solid state lighting systems comprising a plurality of solid state lighting devices. Background technique [0004] Solid state lighting arrays are used in a variety of lighting applications. For example, solid state lighting panels comprising arrays of solid state light emitting devices have been used as sources of direct illumination, for example in architectural and / or accent lighting. For example, a solid state light emitting device may include a packaged light emitting device that i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/34H05B44/00
CPCH05B45/20H05B45/24
Inventor J.P.乔波
Owner IDEAL IND LIGHTING LLC
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