In order to quickly realize the industrialization of the latest LED lighting technology, standard modularization has become one of the mainstream development directions. The first step in standard modular products is the standardization of mechanical dimensions. OSRAM actively participates in the international standardization organization of LED light engines and builds standards with other lighting colleagues. This 50mm diameter PrevaLED light engine is a breakthrough for OSRAM in the standard modular process.
1. International standardization platform to reduce the development and cost of lighting applications and shorten the product development cycle
In the process of standardization, the market generally needs to consider the following aspects:
1. Standardization of mechanical interfaces, ie product size consistency
Osram PrevaLED uses a uniform compact structure, different models (800lm, 2100lm, 3000lm), the same size. 50mm in diameter.
2. Interface standardization of the heat dissipation system
By partnering with an excellent supplier of quality cooling solutions, OSRAM will provide a proposal for a cooling system, while the standardization of the PrevLED light engine product also provides a broad development platform for the standardization of the cooling system interface.
For example: from Nuventix, Active Cooling Technology SynJet® Cooling Solutions
The principle of thin film vibration is used to realize the active heat dissipation scheme of the compact system. Low power consumption, quietness and long life make this active cooling solution one of the choices for the PrevaLED light engine cooling solution.
3. Standardization of the interface of the drive system
The OPTOTRONIC® control gear-OTP series of drive control devices developed by OSRAM can be automatically adapted to the load and can be used with different specifications of the PrervaLED light engine, while still leaving the DALI interface and the drive interface of the active cooling system. The drive platform of OPTOTRONIC® provides a powerful interface platform for the entire PrevaLED light engine.
4. Interface standardization of the optical system (such as the interface of the reflector, etc.)
The PrevaLED light engine integrates reflector interfaces of different calibers, making the interface of the optical system standard.
Second, the LED light engine system's luminous efficiency is improved
Comparison of the efficiency of LED light sources with traditional light sources:
With the continuous advancement of LED technology, the efficacy of single LEDs is rapidly increasing.
Generally, the lower the color temperature of the LED, the lower the efficiency, and the efficiency is also lowered as the color rendering property is improved, that is, the high color rendering of the warm white LED is difficult to achieve high efficiency. The PrevaLED light engine features OSRAM's latest high-efficiency LEDs and unique color mixing technology. The system light efficiency (including the driving power supply) can reach 75lm/W (3000K), which is comparable to the ceramic metal halide lamp.
Third, the improvement of color rendering of LED light engine system
Contrast with the color of traditional light sources. At present, the color rendering CRI of the main indoor lighting sources (fluorescent lamps and metal halide lamps) is usually only about 80. Osram uses advanced chip technology and unique color mixing technology. The PrevaLED light engine has a color rendering CRI of over 90. In the PrevaLED light engine system, low color temperature, high color rendering and high light efficiency are perfectly interpreted.
Fourth, the consistency of color temperature of the LED light engine system during long-term operation
About the measurement of color difference:
In 1942, MacAdam experimented with 25 shades of light, measuring just about 5 to 9 opposite sides at each color point. The result is an ellipse with different area and length and length and length. It is called MacAdam ellipse. As shown in the left figure, the area of ​​the MacAdam ellipse at different positions is very different, that is, the sensitivity of the human eye for different colors. A big difference.
The size of the MacAdam ellipse is also known as Standard Deviation of Colour Matching (SDCM).
The Osram color temperature subdivision process allows for a rigorous screening of color temperatures during the production phase. Osram's PrevaLED uses LEDs with the same brightness and color temperature as the raw materials. At the same time, during the operation of the PrevaLED light engine, the LEDs are monitored by the sensors to dynamically adjust the driving current of different LEDs, so that the LED light ratio is consistent. Therefore, the color temperature of the light engine does not drift during long-term operation. It ensures that users get high quality lighting for a long time. It solves the problem of color drift during the life process that is difficult to solve by traditional metal halide lamps. The most advanced PrevaLED light engine HD version, SDCM<3.
OSRAM is committed to providing advanced and stable design platforms for luminaire manufacturers. Through the standard modular lighting concept, the cost of lighting application research and development is reduced, the product development cycle is shortened, and the transplantation and sharing of the LED light engine system is made possible.
1. International standardization platform to reduce the development and cost of lighting applications and shorten the product development cycle
In the process of standardization, the market generally needs to consider the following aspects:
1. Standardization of mechanical interfaces, ie product size consistency
Osram PrevaLED uses a uniform compact structure, different models (800lm, 2100lm, 3000lm), the same size. 50mm in diameter.
2. Interface standardization of the heat dissipation system
By partnering with an excellent supplier of quality cooling solutions, OSRAM will provide a proposal for a cooling system, while the standardization of the PrevLED light engine product also provides a broad development platform for the standardization of the cooling system interface.
For example: from Nuventix, Active Cooling Technology SynJet® Cooling Solutions
The principle of thin film vibration is used to realize the active heat dissipation scheme of the compact system. Low power consumption, quietness and long life make this active cooling solution one of the choices for the PrevaLED light engine cooling solution.
3. Standardization of the interface of the drive system
The OPTOTRONIC® control gear-OTP series of drive control devices developed by OSRAM can be automatically adapted to the load and can be used with different specifications of the PrervaLED light engine, while still leaving the DALI interface and the drive interface of the active cooling system. The drive platform of OPTOTRONIC® provides a powerful interface platform for the entire PrevaLED light engine.
4. Interface standardization of the optical system (such as the interface of the reflector, etc.)
The PrevaLED light engine integrates reflector interfaces of different calibers, making the interface of the optical system standard.
Second, the LED light engine system's luminous efficiency is improved
Comparison of the efficiency of LED light sources with traditional light sources:
With the continuous advancement of LED technology, the efficacy of single LEDs is rapidly increasing.
Generally, the lower the color temperature of the LED, the lower the efficiency, and the efficiency is also lowered as the color rendering property is improved, that is, the high color rendering of the warm white LED is difficult to achieve high efficiency. The PrevaLED light engine features OSRAM's latest high-efficiency LEDs and unique color mixing technology. The system light efficiency (including the driving power supply) can reach 75lm/W (3000K), which is comparable to the ceramic metal halide lamp.
Third, the improvement of color rendering of LED light engine system
Contrast with the color of traditional light sources. At present, the color rendering CRI of the main indoor lighting sources (fluorescent lamps and metal halide lamps) is usually only about 80. Osram uses advanced chip technology and unique color mixing technology. The PrevaLED light engine has a color rendering CRI of over 90. In the PrevaLED light engine system, low color temperature, high color rendering and high light efficiency are perfectly interpreted.
Fourth, the consistency of color temperature of the LED light engine system during long-term operation
About the measurement of color difference:
In 1942, MacAdam experimented with 25 shades of light, measuring just about 5 to 9 opposite sides at each color point. The result is an ellipse with different area and length and length and length. It is called MacAdam ellipse. As shown in the left figure, the area of ​​the MacAdam ellipse at different positions is very different, that is, the sensitivity of the human eye for different colors. A big difference.
The size of the MacAdam ellipse is also known as Standard Deviation of Colour Matching (SDCM).
The Osram color temperature subdivision process allows for a rigorous screening of color temperatures during the production phase. Osram's PrevaLED uses LEDs with the same brightness and color temperature as the raw materials. At the same time, during the operation of the PrevaLED light engine, the LEDs are monitored by the sensors to dynamically adjust the driving current of different LEDs, so that the LED light ratio is consistent. Therefore, the color temperature of the light engine does not drift during long-term operation. It ensures that users get high quality lighting for a long time. It solves the problem of color drift during the life process that is difficult to solve by traditional metal halide lamps. The most advanced PrevaLED light engine HD version, SDCM<3.
OSRAM is committed to providing advanced and stable design platforms for luminaire manufacturers. Through the standard modular lighting concept, the cost of lighting application research and development is reduced, the product development cycle is shortened, and the transplantation and sharing of the LED light engine system is made possible.
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