The ANSI/IES LM-79-19 standard, jointly developed by the American National Standards Institute (ANSI) and the Lighting Engineering Society (IES), describes the procedures and precautions to be followed for determining the electrical power, system efficiency, luminescent, bright, or photon intensity distribution, and color quantities and spectrum of solid-state lighting products intended for lighting purposes under standard conditions, while performing repeatable and accurate measurements of total light, luminescence, or photon flux. This approved method covers LED luminaires, OLED luminaires, integrated LED lamps, integrated OLED lamps, non-integrated LED lamps operated with a manufacturer's identification number or a defined driver, and LED light engines. These are referred to as solid-state lighting products or tested devices within the framework of the standard. Except for non-integrated LED lamps, solid-state lighting products are designed to be connected directly to alternating current mains power or a direct current voltage power supply for operation.
Solid-state lighting uses electrical filaments, plasma (used in arc lamps such as fluorescent lamps) or gas as the lighting source, or semiconductor light-emitting diodes (LEDs), organic light-emitting diodes (OLEDs), or polymer light-emitting diodes (PLED') It is a type of lighting that uses
The main advantages of solid state lighting are: small size, ease of control, unidirectional distribution, very high and comparable color rendering compared to high fluorescent lamps with cold beam and high color rendering index, lower energy usage compared to incandescent lamps, high performance in cold environments.
Solid-state lighting is a new technology. New materials and technologies offer significant improvements in efficiency compared to traditional incandescent lighting. On the other hand, it presents a number of challenges for end-users, designers, the lighting industry, and regulatory authorities. This is because using solid-state lighting products is not always a matter of simply removing one bulb and installing another.
Optical and electrical measurement services for solid state lighting products within the scope of ANSI/IES LM-79-19 standard, with its trained and expert staff and advanced technological equipment, among the numerous test, measurement, analysis and evaluation studies it has given for businesses in various sectors. also gives.
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