CREE lighting class CXA series LED and indoor lighting reference program

CREE through persistent innovation to promote the popularization and application of LED lighting, the practice of CREE's mission, leading LED lighting revolution, eliminate inefficient lighting, to accelerate the realization of the wide application of LED lighting. CREE innovation comes from XLamp LED lighting device excellent in luminous efficiency, brightness, life, color index, thermal performance and reliability advantages, and the intellectual property rights and brand advantages for customers to help our customers to escort, leading market position. Leading technology will better promote the market leader, thereby helping companies in the LED lighting change to get more robust development. This paper introduces the CREE lighting class CXA series LED and indoor lighting reference program, while CREE look forward to the future with the industry counterparts to carry out more technical exchanges.

The latest CREE announced the launch of XLamp CXA1304 LED and XLamp CXA1816 LED, continue to expand the industry-leading CXA series of products, to achieve color index as high as 95, and the stable and reliable platform system with high performance, design flexibility and low system cost for lighting manufacturers. Generally speaking, indoor lighting products require light source with good color consistency, color stability, high color rendering index, comfortable light environment and excellent energy saving (Gao Guangxiao), etc.. With the launch of the previous XLamp CXA15 and CXA25 CXA30 series, CXA series of 6 products, a total of 8 products, luminous flux output coverage 300-10000 LM, ranging from 2700K - 5000K temperature range, with minimal color index (CRI) of 80 and 90, and the new 95 high display the color index version, good consistency, the source size is only 6mm, up to 23mm, in the narrow angle, and angle of its application advantages. At the same time, CXA series LED has been tested by LM-80, in line with the requirements of the energy star, and through the UL certification, which provides a good foundation for safe and reliable interior lighting design.

Figure 1.XLamp CXA series LED package, light source size and luminous flux

For different sizes, different luminous flux, color temperature of the interior lighting design, XLamp CXA series can be applied. Light efficiency, luminous flux, excellent light color quality, life and reliability are the advantages of CREE's XLamp series products. XLamp CXA LED product line can take into account the light quality, light output and energy conversion efficiency conditions to achieve halogen lamp replacement. CREE XLamp CXA1304 LED is the most compact size products currently in the CXA series, the source size is 6mm, the flux can be as high as 1034 LM, and lighting manufacturers can quickly use the new products in small size lighting applications, design in the small angle MR16 lamp on the special point of this application of XLamp CXA1304 LED the size of the light source. XLamp CXA1816 LED, the source size is 12mm, can help achieve the lamp, bulb, lamp application can replace the ceramic metal halide lamp replacement LED. This paper applies XLamp CXA1816 LED to its light source size and power advantages in the design of the PAR38 reference program that can replace halogen lamps.

1.CXA1304 MR16

The goal of this design is to use XLamp CXA1304 LED and lens design a small angle MR16 spotlight. Luminous flux >350 LM, instead of the traditional 20 W halogen lamp as the design objectives. Based on good performance, life and color stability, as well as high performance and other factors, to achieve the selection, 3000 K color temperature, A4 file for the design of the first choice;

Figure 2.XLamp CXA1304 LED brightness and color temperature selection

XLamp CXA1304 LED 9V and 37V version, can meet the needs of different power driven design, XLamp CXA1304 LED has passed LM-80 testing, in line with the energy star requirements, such as indoor lighting design is safe and reliable to lay a good foundation. XLamp CXA1304 LED is a CREE company with intellectual property led, in line with the various countries of the world's patent requirements, can enter any one country for sale.

Figure 3.XLamp parameters of the CXA1304 parameter of the LED code and its ordering Standard Code

LED lamps need a good cooling system to ensure long-term reliable operation of lamps. According to the optical and thermal requirements of the MR16, we choose the general aluminum extrusion processing type radiator, aluminum alloy material is AL6063, the surface of the anode color treatment, to ensure the operation of the LED junction temperature in the appropriate range.

Figure 4 structural heat dissipation Kit

In optics, the lens is used to match the lamps. The lens with the XLamp CXA1304 LED optical efficiency can reach above 90%, lens type BK-LED-373, 100 Kang company production of a high efficient lens, high temperature above 130 DEG C, is a special collocation of single LED, MR16 style matching lens.

Figure 5.CXA1304 MR16 lens

LED devices with more than heat dissipation, optical, power supply and other supporting components, we made a MR16 spotlight.

Figure 6.CXA1304 MR16 figure 7.CXA1304 MR16 light distribution curve

Comparison of measured data is as follows:

Table 1.CXA1304 MR16 measured data

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