Panasonic has updated six products for omnidirectional LED bulbs. All six products have reached the 2017 annual target value of the Japan Energy Conservation Law. Sales will begin on October 21, 2015.
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Updated omnidirectional LED bulb products and their main performance indicators
According to Panasonic, the domestic LED lighting market is moving forward at a high level in the context of energy-saving awareness and rising electricity prices. The overall industry demand reached 115 million at the end of July 2015, and the penetration rate is expected to reach approximately 38%. In November, 2013, the LED bulb was designated as the standard for the leader of the Japan Energy Conservation Law, and the standard value for the year of 2017 is specified.
In general, the lower the LED temperature, the higher the luminous efficiency. In the LED bulb, the energy consumption efficiency can be improved by focusing on lowering the temperature of the LED module. Therefore, Panasonic has a "heat sink" inside the body of the LED bulb that can efficiently conduct the heat generated by the LED and release the heat toward the lamp socket.
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Improved heat sink
In the conventional products, the module board and the heat sink in which the LED module can be mounted are constructed in different parts, and thus there is heat radiation and heat conduction loss. This time, the "integrated heat sink" was developed to integrate the module piece and the heat sink to realize a heat sink without joints.
In this way, the heat conduction loss can be suppressed, and the heat generated by the LED module can be more efficiently released toward the lamp opening. Compared with the previous products, the energy consumption efficiency (light bulb luminous efficiency: lm/W) has increased by about 36%, and all products have reached the Japanese Energy Conservation Law 2017 target standard value. In addition, new products can be used on lighting fixtures with insulating materials.
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36% increase in efficiency
In the case of a lighting fixture mounted on a ceiling with a heat insulating material, the original LED bulb cannot be used because the heat insulating material hinders heat dissipation, and the temperature of the LED module and the circuit component inside the LED bulb rises, resulting in a shortened life. The new product achieves excellent thermal conductivity with a one-piece heat sink, which allows the heat inside the LED bulb to be efficiently released, so it can be used on lighting fixtures with insulating materials.
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