LED lamps and LED light source, the interpretation of concept

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The backdrop of the global "energy saving" LED as a new type of light source in all fields have a wide range of applications, development of standards, evaluation of the quality of the performance of LED ligh ting products have been the focus of the work of the Lighting Industry. Various forms of LED, LED packaging, LED arrays, LED modules, LED light, it is therefore different combinations of the lamps, including with a standard lamp type, built-in, freestanding and integral, so that a different maintenance type, such as the light source can be replaceable and non-replaceable, maintainable type and non-maintenance type. In addition, the dazzling array of designs and style, the traditional distinction is difficult to define, especially in the definition of the LED lamps and LED lamps, vague or even wrong concepts have been in the industry caused confusion, which will have a negative impact on the development of led recessed lighting lighting industry, industry and standards development and testing fields.


IEC TC34 was held in Helsinki, Finland in June 2010 LED seminars, discuss the many technical problems at the same time, the LED lamps and LED light issue has also become the focus of discussion in the meeting of experts. In this paper, the introduction of the latest standards information, and analysis on the concept of lamps and lamp, and LED lamps and LED lamps as defined are discussed.


First, the relevant definitions


1, and LED light source definition


LED array, LED modules or LED lights, all light sources.


(1) light (lamp): to generate optical radiation (usually visible) and the production of light.


Note: This term is sometimes used for certain types of lighting.


(2) light-emitting diode (Light EmittingDiode (LED)): issued when non-coherent optical radiation in the forward bias the pn junction semiconductor devices. Spectrum may be issued in the UV, visible or infrared wavelength region.


(3) LED chip (LED die): the assembly of a small piece of s emiconductor material in a given function on the LED circuit.


(4) LED arrays or modules (LED array or module): the high bay lighting package (components) or chip components on printed circuit board or substrate, possibly with optical elements and additional thermal, mechanical and intended to be connected to the LED drive load side of the electrical interface. The device does not contain the power supply and standard lamp. The device can not be directly connected to the branch circuit