In 2010, a China LED Evaluating and Assessment Reporting (CLEAR, China LED Evaluating and Assessment Reporting) was launched in China's LED lighting industry by the highly qualified LED third-party testing agency.
"The quality of domestic LED lamps is uneven, which makes the public unable to correctly understand LEDs. The inferior products of some enterprises have tarnished the image of LED light sources in the eyes of consumers." Dr. Zhang Xiaofei, CEO of Gaogong LED, said that this project is not profitable. Objective, I hope that through the CLEAR program, many LED lighting companies will exaggerate the "hidden rules" of light source and lamp performance parameters in product promotion and specifications.
The first round of CLEAR testing began in April 2010 and lasted until June 2010. The samples tested were all voluntarily delivered by the manufacturer. The samples included 3 types (LED bulb, PAR lamp and MR16 lamp), a total of 15 samples, tested by Labsphere integrating sphere-spectrum radiometer test system, the main test items The measured input power, initial total luminous flux, luminous efficiency, correlated color temperature CCT, color rendering index CRI.
In this round of test results, none of the samples meet the requirements of both CCT and CRI. Only 6 samples alone meet the CCT requirements, accounting for 40% of the total; only 2 samples alone meet the CRI requirements, accounting for 13.3% of the total; in this round of 15 LED lamp samples, LED bulbs The level of light efficiency is significantly better than LED directional lights. At the same time, in this round of test results, there are many high-efficiency LED lamp samples, and their color characteristics are not satisfactory.
In May 2012, as China's lighting retail market began to appear LED light source and lighting products that consumers can directly purchase, CLEAR plans to purchase three mainstream products: LED fluorescent tube, LED bulb and LED downlight. Test.
In general, the performance of this round of test LED luminaires varies, with light effects ranging from 27-103 lm/W. The overall average is 71 lm/W. The color rendering index is from 63-84 with an average of 73. The color temperature ranges from 2989-8563K with an average of 4734K. It can be seen that the performance of LED luminaires varies greatly, especially in terms of light efficiency parameters.
Since then, according to a consumer survey released by the High-tech LED Industry Research Institute (GLII), there are many inconsistencies between the performance specifications of the LED products sold in the Chinese market and the actual tests.
With the gradual increase of the penetration rate of the LED general lighting market, we believe that this year's LED lighting market has reached the point of time when the channels are widely distributed, so in order to let the consumers of LED lighting (including dealers, engineering buyers, individuals) Consumers) identify the true state of the product. In the past three months, Gaogong LED purchased multiple brands of LED lighting sources and lighting products, including LED bulbs and LED downlights, at major lighting stores nationwide. LED straight tube lamps, LED panel lights, etc., and commissioned third-party testing agencies to conduct actual performance tests on the above products.
According to the relevant person in charge of the CLEAR project, the test results will be announced in the October issue of the high-tech LED "LED Lighting Channel" magazine and high-tech LED network, including the nominal parameters and actual test comparison data of the above lamps and their products.
“Follow-up, we will test more LED lighting sources and brand products on the market every month, and will release relevant data to the industry and consumers one after another.” Dr. Zhang Xiaofei said that he hopes to pass the high-tech LED magazine and website. Cooperate with third-party testing data to investigate the quality, safety and false publicity of LED lighting sources and lamps, and also hope to receive more support from the industry's product quality, reputable brand lighting manufacturers, distributors and consumers.
As of the end of July 2013, Gaogong LED has sampled nearly 100 brands, 5 categories of LED lighting sources and lighting products from the market, and will announce product testing data, product purchasing store information and products from the beginning of September. Nominal data and authoritative interpretation of the company's false propaganda.
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