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Mixed light realization method

An implementation method, a technology of mixing light, applied in the field of LED lighting, can solve the problem of obtaining mixed light of various chromaticity values ​​flexibly and accurately, and achieve the effect of flexible and convenient adjustment

Active Publication Date: 2012-07-04
SHANGHAI GRANDAR LIGHT ART & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to overcome the defect that it is difficult to flexibly and accurately obtain mixed light of various chromaticity values ​​in a wide color gamut in the prior art, and to provide a flexible and accurate light in a wide color gamut. Mixed light implementation method for obtaining mixed light with various chromaticity values

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Embodiment Construction

[0019] The preferred embodiments of the present invention are given below in conjunction with the accompanying drawings to describe the technical solution of the present invention in detail.

[0020] Since the means of light mixing is to be used, at least two light sources need to be used in the mixed light implementation method of the present invention. Of course, it is also feasible to use three or more light sources. Wherein, in order to achieve meaningful light mixing, the chromaticity values ​​of the light emitted by each light source should be different from each other.

[0021] The present invention does not limit the type of light sources used, for example, these light sources can all be LEDs. In addition, the light sources used in the present invention can be all monochromatic light sources, all can be composite light sources, or can be partly monochromatic light sources and partly composite light sources.

[0022] In the following embodiments, a red LED, a green LED...

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Abstract

The invention discloses a mixed light realization method. Mixed light is formed by mixing light emitted by at least two light sources. The method comprises the following steps of: 1, calculating color tristimulus values of the light emitted by the light sources respectively; 2, changing the light energy ratio of the light emitted by the light sources for many times, and calculating a chromaticity value of the mixed light under each light energy ratio; 3, recording each light energy ratio and each chromaticity value obtained by the step 2 in a one-to-one correspondence way to form a light energy ratio-chromaticity value data table; and 4, searching for a corresponding light energy ratio from the light energy ratio-chromaticity value data table according to a required chromaticity value, and controlling the light sources to emit the light according to the corresponding light energy ratio. By the method, the mixed light with various chromaticity values and adjustable luminance can be flexibly and accurately obtained in a wide color gamut.

Description

technical field [0001] The invention relates to LED lighting technology, in particular to a method for realizing mixed light. Background technique [0002] At present, with the development of the economy, indoor lighting, landscape lighting and architectural lighting have begun to receive more and more attention and attention. Lighting technology has only focused on brightness at the beginning, and now pursues beauty while pursuing brightness; from the initial use of ordinary lighting sources to the use of high-tech lighting sources; all in all, both lighting sources and lighting methods have become increasingly diversified. This makes our country's cities more and more beautiful at night. [0003] In the field of LED lighting, the common light sources currently on the market are generally red LEDs, green LEDs, blue LEDs and other single-color LEDs, as well as a few LEDs that can emit composite light, such as emitting blue light and yellow light at the same time. White LED...

Claims

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Application Information

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IPC IPC(8): H05B37/02
Inventor 莫进平谢海军温源
Owner SHANGHAI GRANDAR LIGHT ART & TECH
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