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US 9,581,301 B2Granted
Illumination assembly
AssigneeBrandon Medical Company Limited
InventorsGraeme Hall, Euan Morrison
Life of this patent
Estimating the term…
Abstract
The present invention relates to an illumination assembly comprising a specific combination of one or more white LEDs and one or more red-orange LEDs with improved spectral characteristics (e.g., specific color performance characteristics, such as a desirable color rendering index and color temperature).
Claims17
An illumination assembly capable of emitting an output light comprising:
- a housing;
- and
- a light source being two different types of LEDs, wherein one type of LED is one or more white LEDs emitting a first light along a first path and the other type of LED is one or more red-orange LEDs emitting a second light along a second path, wherein the one or more white LEDs and the one or more red-orange LEDs are mounted in the housing such that the first light and the second light are mixed to form the output light transmitted along a third path or to form the output light at a field position, wherein the colour rendering index Ra of the output light is 85 or more and the colour rendering index R9 of the output light is 85 or more, wherein the one or more white LEDs and one or more red-orange LEDs are provided in an array, wherein the array is a plurality of discrete first and second clusters.
Dependencies are inferred from the claim text.