Efforts to illuminate neighborhoods with LEDs are about to become a reality. A residential area with LEDs for outdoor lighting was opened on October 25, 2008. This is the Azabunooka of ToyotaSmileLife, which was built in Miyoshicho, Aichi Prefecture, Japan. According to reports, LED lighting will be used in the inner lanes and walkways including 204 districts. Although it takes a while to complete the completion of the entire community, LED lighting is used at the beginning of the opening. At the previous member meeting of the Japan LED Lighting Promotion Association, the author was fortunate to listen to the speech of the director and director of the lighting design and design of the district (M&O Design Office), and learned some about the LED lighting district. Happening.
Speaking of LED outdoor lighting, the author's imagination is that LED street lights are neatly arranged on both sides of the road. Qingshengqiu is slightly different from this scene. According to Ochiai, the lighting in the district consists of LED lighting for each building and several LED street lights. On average, each house is equipped with 4 to 5 LED lighting outdoors to illuminate the roads and pedestrian roads and the walls of the houses. LED street lights are only located at the intersection of the main roads in the area. This is for the residents of the block to use their own lights to illuminate the neighborhood and create a sense of belonging (lighting) with the help of lighting. The LEDs are made of light bulbs (LEDs are made by Toyota Synthetic) to create a warm and harmonious tone. The brightness of each illumination is not too strong. By arranging LED lighting everywhere, it gives the impression that it is brighter than the nominal brightness value. According to reports, the light is placed on a vertical surface such as a wall surface to create a brightness effect that exceeds the actual illumination. Although the concept of such illumination can be realized by a conventional light source, it is possible to achieve the above illumination effect with a power consumption of about 1/4 of the conventional light source.
In addition, LED lighting has other features. This is where you can only illuminate the area you need to illuminate. For example, LED lighting on the sidewalk only illuminates the pedestrian pavement, while minimizing the side leakage of the green belt along the sidewalk. This is to do our utmost to reduce the adverse effects of nighttime lighting on the ecosystem. This is a countermeasure to avoid light damage. LEDs are inherently highly directional and suitable for use in illuminating a given location, so it can be said that this feature is fully utilized. Some people think that LEDs are not suitable for lighting because of their high directivity. This kind of opinion means that the LED is enough to meet the illumination of the floor and the tabletop, but since there is no side leakage, the wall of the non-directly illuminated surface is still very dark, so the whole room gives a dark feeling. But if you look at reducing light damage, then LED lighting is not the object of accusation.
In addition, the countermeasures when the LED is not lit have also been improved. Unlike fluorescent and incandescent lamps, LEDs are rarely distributed through ordinary stores. It is also difficult to replace the LEDs in the lighting fixture with other light sources. Qingshengqiu has established a technical support system that responds within 24 hours.
Responsible for the lighting design and design, he has been engaged in the LED lighting business, and his designs have been exhibited at several exhibitions. In the process of engaging in the LED business, the company has gradually mastered various conditions when using LEDs for lighting. The same is true of Qingshengqiu. There are no precedents for many LED lighting, and in many cases, there is no data available for lighting manufacturers or LED manufacturers. For example, in the LED lighting that matches the exterior wall (or the exterior wall that matches the LED lighting), it is repeated experiments to find the answer.
Regarding the question of what kind of lighting method will be adopted in the future, Saori said that it will continue to engage in the LED lighting business in the future, and it is expected to adopt the organic EL lighting method. The organic EL mentioned in the game is not a display used on televisions and mobile phones, but a product that emits white light. It is expected that the top-mounted downlights using organic EL will be widely used after 5 years. The organic EL is also one of the aforementioned LEDs, but the materials are different (the organic layer is used for the light-emitting layer, etc. The aforementioned LED is an inorganic material such as GaN), and has the characteristics of surface light emission. If the organic EL is easily utilized to easily form a light-emitting surface of a desired shape, and it can be made thin, it is expected that illumination effects not applicable to incandescent lamps, fluorescent lamps, and the above-described LEDs can be realized.
In terms of organic EL lighting, Ochiai is very concerned about overseas trends. After visiting the exhibitions around the world, it was found that the positive trend of using organic EL as lighting in Europe and even more than Japan. Although Japanese manufacturers are better in terms of technical strength, this situation is really regrettable.
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