WO2024021927A1 - 一种基于rgbwcla七色合一的led全光谱色彩管理系统 - Google Patents
一种基于rgbwcla七色合一的led全光谱色彩管理系统 Download PDFInfo
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/20—Controlling the colour of the light
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/175—Controlling the light source by remote control
- H05B47/18—Controlling the light source by remote control via data-bus transmission
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/20—Controlling the colour of the light
- H05B45/22—Controlling the colour of the light using optical feedback
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/155—Coordinated control of two or more light sources
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/165—Controlling the light source following a pre-assigned programmed sequence; Logic control [LC]
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/175—Controlling the light source by remote control
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/175—Controlling the light source by remote control
- H05B47/18—Controlling the light source by remote control via data-bus transmission
- H05B47/184—Controlling the light source by remote control via data-bus transmission using digital multiplexed [DMX] communication protocols
Definitions
- the present invention relates to the field of LED lighting, and in particular to a full spectrum LED color management system.
- the invention relates to the field of LED lighting technology and provides a seven-color-in-one LED full-spectrum color management system based on RGBWCLA, including an LED lamp, an aluminum substrate inside the LED lamp, and a seven-color-in-one full-spectrum integrated LED light source provided on the aluminum substrate.
- the light emitted by the sample lamp passes through a high-precision spectral brightness detector to collect the spectral information of the sample lamp and passes through
- the DMX communication module sends it to the computer equipment, and the computer calculates and passes the required color spectrum information through the DMX communication module sample lamp color control module.
- the full-spectrum LED color management system of the present invention can realize: the seven-color lamps can realize the simulated black body curve CCT color temperature change from 1800K to 8000K; the seven-color lamps can output the full spectrum of white light, and the color rendering index Ra reaches above 95 and R9>90 ; The seven-color lamp achieves 240% REC.709 color gamut coverage!
- the described LED full-spectrum color management system based on RGBWCLA seven-color-in-one, LED lamp, aluminum substrate inside the LED lamp, the aluminum substrate is provided with a seven-color-in-one full-spectrum integrated LED light source, a lens fixed on the aluminum substrate, and a color
- the processing computing chip and color control module are inside the LED lamp as a sample lamp;
- the seven-in-one full-spectrum LED light source is the new RGBWCLA seven-in-one, which are three primary colors RGB + three complementary colors CLA and white balance white light;
- the control chip of the color control module is a color processing calculation chip
- the present invention has the following beneficial effects:
- the seven-color lamps have full spectrum white light output, and the color rendering index Ra reaches above 95 and R9>90;
- the seven-color lamp achieves 240% REC.709 color gamut coverage
- the device supports RDM two-way feedback.
- Figure 1 shows a full-spectrum LED color management flow chart disclosed in an embodiment of the present invention
- Figure 2 shows a comparison chart of the seven-color-in-one and traditional four-color and three-color spectra in the embodiment of the present invention
- Figure 3 shows a color detection diagram after color management disclosed in the embodiment of the present invention
- Figure 4 shows a disclosed color temperature change curve in an embodiment of the present invention
- Figure 5 shows a schematic diagram of a color processing calculation chip disclosed in an embodiment of the present invention
- FIG. 6 shows a schematic diagram of a color control module disclosed in an embodiment of the present invention.
- the present invention provides an all-in-one LED color management system.
- the specific process is as follows:
- Step 1 After the sample lamp is powered on, the computer device retrieves the sample lamp through the DMX DMX communication module
- Step 2 After the computer equipment retrieves the sample lamp, it begins to collect each chromaticity coordinate and brightness of the sample lamp;
- Step 3 Analyze the collected sample lamp chromaticity coordinates and white balance correction. If (5), there is obvious contrast before and after calibration;
- Step 4 After analyzing the sample lamp parameters, set the target color, and then send the data to the sample lamp;
- Step 5 After the sending is completed, test the chromaticity data and light quality of the sample lamp again to see if it reaches the preset value. If not, repeat the above process.
- the LED sample lamp is equipped with a seven-color LED chip. Compared with four colors and three colors, the spectral data is more comprehensive and more continuous (refer to Figure 2), which effectively ensures high color rendering after calibration, and High quality of target color
- the color processing calculation chip is VU SCC_CE 4301 (refer to Figure 5), which is the core of driving the color control module (refer to Figure 6), ensuring high brushing of LED lights without jitter. It mainly has the following functions: the communication protocol of the white balance correction system, which realizes the automatic correction of the white balance linearity of the lamp. This ensures the color temperature space consistency and accuracy of the corrected lamps. And it incorporates RDM control: CE4301 can perform mode conversion through RDM standard instructions and read and write the DMX first address of the lamp.
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
本发明涉及LED照明技术领域且提供了一种基于RGBWCLA七色合一的LED全光谱色彩管理系统,包括LED灯具,LED灯具内部的铝基板,铝基板设有的七色合一全光谱一体LED光源、固定在铝基板的透镜、色彩处理运算芯片、DMX通信模块、色彩控制模块、高精度光谱亮度检测器以及色彩计算软件电脑设备。样品灯具发出的光经过高精度光谱亮度检测器采集样品灯具的光谱信息并通过DMX通信模块发送至电脑设备,电脑通过计算,将所需要的色彩光谱信息通过DMX通信模块样品灯具色彩控制模块。再次循环测试,直到达到目标颜色或色温,然后再将通过计算满足的数据下发到项目灯具中。同时电脑软件通过DMX通信模块可以实现灯具编码、调节亮度、调节颜色。通过上述方式,本发明全光谱LED色彩管理系统可以实现:七色灯具能实现从1800K到8000K的仿真黑体曲线CCT色温变化;七色灯具白光全光谱输出,且显色指数Ra均达到95以上R9>90;七色灯具实现了240%REC.709的色域覆盖!
Description
本申请要求申请日为2022年7月25日的中国专利申请2022108813601的优先权。本申请引用上述中国专利申请的全文。
本发明涉及LED照明领域,特别是涉及全一种光谱LED色彩管理系统。
早期的彩色LED户外灯具注重的是产品的可靠性稳定性以及成本压缩,对彩色光的品质没有更多的要求。彩色LED户外灯具只要亮度满足要求,控制简单可靠,色彩变化酷炫基本就能满足要求。这几年终端市场开始对光的品质提出要求,例如要求灯具能混出从2200K到8000K的黑体曲线CCT,要求更高的显色性以期还原真实的物体本色,要求更鲜艳的色彩。这些都对灯具提出了更高的要求。应运这些新要求,彩色LED户外灯具也从RGB三基色发展出RGBW-RGBAL多基色。彩色LED户外灯具出现了舞台灯化的新趋势。新的要求必然带来新的问题,这就是目前市场上大部分的RGB LED户外灯具都无法对色彩校准以及色域范围小,对光的品质都达不到要求。
实用新型内容
鉴于以上现有技术弊端,现提供一种基于RGBWCLA七色合一的LED全光谱色彩管理系统,可以通过色彩管理,实现高品质的灯光色彩以及定制色彩
本发明涉及LED照明技术领域且提供了一种基于RGBWCLA七色合一的LED全光谱色彩管理系统,包括LED灯具,LED灯具内部的铝基板,铝基板设有的七色合一全光谱一体LED光源、固定在铝基板的透镜、色彩处理运算芯片、DMX通信模块、色彩控制模块、高精度光谱亮度检测器以及色彩计算软件电脑设备。样品灯具发出的光经过高精度光谱亮度检测器采集样品灯具的光谱信息并通过
DMX通信模块发送至电脑设备,电脑通过计算,将所需要的色彩光谱信息通过DMX通信模块样品灯具色彩控制模块。再次循环测试,直到达到目标颜色或色温,然后再将通过计算满足的数据下发到项目灯具中。同时电脑软件通过DMX通信模块可以实现灯具编码、调节亮度、调节颜色。通过上述方式,本发明全光谱LED色彩管理系统可以实现:七色灯具能实现从1800K到8000K的仿真黑体曲线CCT色温变化;七色灯具白光全光谱输出,且显色指数Ra均达到95以上R9>90;七色灯具实现了240%REC.709的色域覆盖!
所述的一种基于RGBWCLA七色合一的LED全光谱色彩管理系统,LED灯具,LED灯具内部的铝基板,铝基板设有的七色合一全光谱一体LED光源、固定在铝基板的透镜、色彩处理运算芯片以及色彩控制模块均在LED灯具内部,作为样品灯具;
所述的一种基于RGBWCLA七色合一的LED全光谱色彩管理系统,七色合一全光谱一体LED光源为新性的RGBWCLA七合一,分别为三基色RGB+三补色CLA以及白平衡白光;
所述的一种基于RGBWCLA七色合一的LED全光谱色彩管理系统,色彩控制模块的控制芯片为色彩处理运算芯片;
本发明由于使用以上技术方案,使其具有的有益效果是:
可实现七色灯具从1800K到8000K无极调节,定制Duv;
七色灯具白光全光谱输出,且显色指数Ra均达到95以上R9>90;
七色灯具实现了240%REC.709的色域覆盖;
4k高刷无抖,设备支持RDM双向反馈。
图1显示为本发明实施例中公开的一种全光谱LED色彩管理流程图;
图2显示为本发明实施例中七色合一与传统四色,三色光谱对比图;
图3显示为本发明实施例中公开的经过色彩管理后颜色检测图;
图4显示为本发明实施例中公开色温变化曲线图;
图5显示为本发明实施例中公开色彩处理运算芯片原理图;
图6显示为本发明实施例中公开色彩控制模块原理图。
以下通过特定的具体实例说明本发明的实施方式,本领域技术人员可由本说明书所揭露的内容轻易地了解本发明的其他优点与功效。本发明还可以通过另外不同的具体实施方式加以实施或应用,本说明书中的各项细节也可以基于不同观点与应用,在没有背离本发明的精神下进行各种修饰或改变。需说明的是,在不冲突的情况下,以下实施例及实施例中的特征可以相互组合。
需要说明的是,以下实施例中所提供的图示仅以示意方式说明本发明的基本构想,遂图式中仅显示与本发明中有关的组件而非按照实际实施时的组件数目、形状及尺寸绘制,其实际实施时各组件的型态、数量及比例可为一种随意的改变,且其组件布局型态也可能更为复杂。
请参阅图1,本发明提供一种全管够LED色彩管理系统,具体流程如下:
步骤一:样品灯通电之后,电脑设备通过DMX DMX通信模块检索样灯
步骤二:电脑设备检索到样灯之后,开始采集样灯每个色度坐标以及亮度;
步骤三:分析采集到的样灯色度坐标,以及白平衡校正,如果(5),校准前后明显对比;
步骤四:分析样灯参数之后,设定目标色,然后将数据发送至样灯;
步骤五:发送完成之后,再次测试样灯色度数据以及光品质,是否达到预设值,如果没有重复上述流程
在LED样品灯中,设置了七色合一的LED芯片,光谱数据相比较四色、三色、更加全面,更加连续(参考图2),有效的保证了校准之后高显色性,以及
目标色的高品质
在LED灯中,色彩处理运算芯片为VU SCC_CE 4301(参考图5),是驱动色彩控制模块的核心(参考图6),保证了LED灯的高刷无抖动。主要有以下功能,白平衡校正系统的通信协议,实现灯具白平衡线性的自动校正。保证了实现校正后灯具的色温空间一致性与准确性。并且兼并RDM控制:CE4301可通过RDM标准指令进行模式转换,读写灯具DMX首地址.
上述实施例仅例示性说明本发明的原理及其功效,而非用于限制本发明。任何熟悉此技术的人士皆可在不违背本发明的精神及范畴下,对上述实施例进行修饰或改变。因此,举凡所属技术领域中具有通常知识者在未脱离本发明所揭示的精神与技术思想下所完成的一切等效修饰或改变,仍应由本发明的权利要求所涵盖。
Claims (6)
- [根据细则26改正 29.06.2023]
本发明涉及LED照明技术领域且提供了一种基于RGBWCLA七色合一的LED全光谱色彩管理系统,包括LED灯具(1),LED灯具内部的铝基板(2),铝基板设有的七色合一全光谱一体LED光源(3)、固定在铝基板的透镜(4)、色彩处理运算芯片(5)、DMX通信模块(5)、色彩控制模块(6)、高精度光谱亮度检测器(7)以及色彩计算软件电脑设备(8)。样品灯具发出的光经过高精度光谱亮度检测器(7)采集样品灯具的光谱信息并通过DMX通信模块(5)发送至电脑设备(8),电脑通过计算,将所需要的色彩光谱信息通过DMX通信模块(5)样品灯具色彩控制模块(6)。再次循环测试,直到达到目标颜色或色温,然后再将通过计算满足的数据下发到项目灯具中。同时电脑软件通过DMX通信模块可以实现灯具编码、调节亮度、调节颜色。通过上述方式,本发明全光谱LED色彩管理系统可以实现:七色灯具能实现从1800K到8000K的仿真黑体曲线CCT色温变化;七色灯具白光全光谱输出,且显色指数Ra均达到95以上R9>90;七色灯具实现了240%REC.709的色域覆盖。 - [根据细则26改正 29.06.2023]
根据权利要求1的一种基于RGBWCLA七色合一的LED全光谱色彩管理系统,LED灯具(1),LED灯具内部的铝基板(2),铝基板设有的七色合一全光谱一体LED光源(3)、固定在铝基板的透镜(4)、色彩处理运算芯片(5)以及色彩控制模块(6)均在LED灯具(1)内部,作为样品灯具。 - [根据细则26改正 29.06.2023]
根据权利要求1、2所述的一种基于RGBWCLA七色合一的LED全光谱色彩管理系统中,七色合一全光谱一体LED光源为新性的RGBWCLA七合一,分别为三基色RGB+三补色CLA以及白平衡白光。 - [根据细则26改正 29.06.2023]
根据权利要求1、2所述的一种基于RGBWCLA七色合一的LED全光谱色彩管理系统,色彩控制模块(6)的控制芯片为色彩处理运算芯片(5)。 - [根据细则26改正 29.06.2023]
根据权利要求1的一种基于RGBWCLA七色合一的LED全光谱色彩管理系统,通过色彩管理系统计算仿真,可实现七色灯具从1800K到8000K的仿真黑体曲线CCT色温变化;七色灯具白光全光谱输出,且显色指数Ra均达到95以上R9>90。 - [根据细则26改正 29.06.2023]
七色灯具实现了240%REC.709的色域覆盖。
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