色温

它是由用3000K色温光源照明的积分球、带V（λ）滤光器的硅光二极管和一个带有电流一电压变换器的数显系统等组成。

It consists of intergrating sphere which is illuminated by a source with 3000K colour temperature , and a silicon photodiode with V (λ) filters , as well as a digital display system with current-voltage converter .

白炽灯色温测量装置电路设计

Circuit Design of Colour Temperature Measuring Equipment for Incandescent Lamp

低色温高显色性大功率白光LED的制备及其发光特性研究

Fabrication and Luminescence Characteristics Studies of the High-power White LEDs with Low T_c and High R_a

二分法优化计算LED光源相关色温基于LED光源痕量二氧化氮气体的检测

Optimization Algorithm of Correlated Color Temperature for LED Light Sources by Dichotomy LED Illuminant-Based Detection of Trace NO_2 Gases

该方案提高了LED路灯发光的稳定性，改善了它的色温，延长了它的使用寿命。

This proposal improves the stability and color temperature of the LED street lamp , and prolongs its service life .

在白光LED器件的制备中，荧光粉是非常关键的材料，它的性能直接影响白光LED的亮度、色坐标、色温及显色性等。

Its properties directly affect the brightness , chromaticity coordinates , chromatic temperature , color rendering property and so on .

但是大功率LED同时也存在发光效率低和色温偏高的发展瓶颈。

However , there are certain bottlenecks for development of the high-power LEDs , i.e. low luminous efficiency and higher color temperature .

HID汽车前照灯色温变化的原因及控制

The Reason and Control of the Change of HID Auto-headlamp Color Temperature

LED背光源驱动电路系统是决定大尺寸液晶电视可靠性、色温、寿命与环保节能的关键。

LED backlight driving circuit system is the key to determine the reliability of large size LCD TV , color temperature , life and environmental protection and energy saving .

根据现有中间视觉实用模型并结合测量的实验数据，推导了不同色温LED光源在中间视觉下的照度修正系数。

According to the practical mesopic model and the existing experimental data , one kind of modified coefficient for different color temperature LED sources under mesopic light level is studied .

测量结果表明，荧光粉远离芯片封装结构与传统封装方法相比，能够提高功率型白光LED的流明效率，并且能够降低色温。

The measurement results showed that structure that the phosphor is isolated from the chip can improve the lumen efficiency of white LEDs , as well as reduce its color temperature .

并研究了低色温高显色指数白光LED的光色电参数的性质，及不同环境下的老化特性。

And the light color properties of high color rendering and low color temperature white LED were also studied with different electric parameters as well as the aging properties in different environment .

结果说明，白天场景下人们更喜欢接近日光色的高色温照明，而夜晚时色温为3000K的LED能够提供最高的满意度。

The result shows that people prefer high CCT close to sunlight in daytime , while 3000K at night .

分析了荧光粉转换型白光LED照明光源色坐标、显色指数、色温和发光效率与驱动电流和温度的关系。

Optical and color parameters are luminous flux , color coordinate , color temperature , color rendering index and light efficiency for white LED illumination light source . They depend mainly on materials of semiconductor and phosphor .

每个相关色温的芯片输出的实际流明；电通量和功率不同于CCT。

Real lumen output of chip for each correlated color temperature ( CCT ), flux and efficacy vary with ( CCT ) .

SBR贴片式系列LED日光灯采用高亮度贴片式LED灯珠为光源，绿色环保、无频闪、寿命长、显色指数高、色温可选择范围宽。

XH-SBR SMD LED fluorescent light with high brightness SMD LED AS light source lamp beads , green , no flicker , long life , high color rendering index , color temperature optional wide range .

外激励光源部分通过考虑色温和波长两个方面，很好地找到了需要的光源；热像仪采用中低端国产焦平面红外热像仪；计算机图像处理及数据处理软件采用高级语言Visualc++6.0来实现。

The light source is well found by considering color temperature and wavelength ; to use middle-end or low-end domestic FPA infrared thermography ; computer image processing and data processing software is coded with high-level language Visual C + + 6.0 .

用GaN基大功率蓝光LED芯片作为激发光源，分别用荧光粉转换法和红光LED补偿法制备了不同相关色温及显色指数的白光LED。

GaN-based blue LED chips were used as exciting light source , high-power white LEDs with different correlative color temperature ( T_c ) and rendering index ( R_a ) were fabricated through phosphor conversion and red LED compensation .

HID（highintensitydischarge）灯即高压气体放电灯，具有发光效率高、使用寿命长、光输出种类多、色温高等优点是新一代绿色照明的节能电光源。

HID ( High Intensity Discharge ) lamp has high efficiency , long service time , multiple types of light output , high color temperature , and some other advantages , which is a new generation of green energy-saving light source .

但是，这种荧光粉存在的最大的缺点是发射光谱中缺少红色成分，进而导致这种类型的白光LED显色指数偏低、色温偏高。

However the main disadvantage of this kind of white LED is that it lacks red component in the emission spectrum , resulting in this kind of white LED suffers from the drawbacks of poor color rendering and high color temperature .

多芯片白光LED的色温、能效（辐射光效）和显色性可以通过选择LED芯片的峰值波长以及改变各个LED芯片的相对功率来进行调节与优化。

The correlated color temperature ( CCT ), luminous efficacy of radiation ( LER ) and color rendering of multi-chip white LED may be regulated and optimized by selecting the peak wavelength of LED chips and changing the relative power of each LED chip .

实验结果表明，在整个灰度区间，PDP的白平衡平均从0.021改善到0.0025，并且分布在较小的色温区间。

The experiment results show that average white color balance in all gray scale regions is improved from 0.021 to 0.0025 and distributes in a narrow range of color temperature .

根据性能需求，提出两种获得LED白光的方法：RGB三基色混合生成白光；高色温冷白光加红光混合生成低色温暖白光。

Based on performance requirements , this paper proposed two methods to make white LED : RGB three-color mixed to generate white light , high color temperature cool white plus red mixed to generate low color warm white .

OLED电视性能卓越而且省电，高效率、特有的波形因数和“柔和惬意”的色温也给OLED光源带来了新的机会。

OLED performance for TVs is outstanding and power consumption is low . Moreover , OLED lighting offers new opportunities in high efficiency , unique form factors , and " relaxing " color temperatures .

从色品坐标（u，v）到颜色温度和相关色温的计算过程比较复杂，很难依据国际标准化组织推荐的不确定度评定方法进行分析。

Because of the complex calculation process between the colour temperature , the correlated colour temperature and the chromatic coordinate ( u , v ), it is difficult to analyze the expression of uncertainty according to the international organization for standardization ( ISO ) guide .

结果表明绿粉和蓝粉的色坐标变化较大，而红粉变化较小，使得PDP白场色温向较低的方向变化。

The results show that the variation of chromaticity coordinates of green and blue phosphor is large and for red phosphor it is small which makes the white color temperature of PDP varies toward to the lower direction .

LED灯有着体积紧凑、发热少、色温范围广、功能丰富以及价格便宜和便于标准化生产的特点，因而设计师可以利用这些特点突破传统灯泡的光影模式，重新阐释灯具的意义。

Taking advantage of new possibilities provided by LEDs ' compact size , low heat , range of color temperatures , and flexibility , as well as lower pricing and standardization in manufacturing , designers are exploring new territory beyond the traditional bulb-and-shade format and redefining what it means to be a lamp .

为提高彩色等离子体显示器（PDP）的性能，研究了维持期辅助脉冲对PDP的亮度、亮度效能、功耗、白平衡、色温等参数的影响。

Influence of different auxiliary pulses on properties of the color plasma display panel ( PDP ), including its luminance , its luminance efficiency , its power , its white color balance , and its color temperature , was studied .

我们利用频谱线性叠加的概念进行预测，实验结果发现在低色温时可得到较佳之NCC值。

We apply a linear spectrum model to predict the color coordinate of the white LED , and experimental results show that more accuracy can be obtained in LED of low correlated color temperature .

本研究对色温1800K&3000K范围内的三种白光与620nm红光仪表的短时暗适应进行了实验研究。

This is an experimental study on short term dark adaptation under instrument illumunation of white or red lights with color temperatures in the range of 1800K 3000K .