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The organic EL lighting product developed this time contains three layers of organic materials that emit blue, red and green light after voltage application. The mixing of the various colors of light will result in white light. 
It is currently possible to emit light in an area of ​​about 6 cm in width and about 15 cm in length. Even in bright indoors, the brightness is clearly visible. The surface of the flexible plastic substrate was embedded with an organic EL film and an electrode by a vapor deposition method and a coating method.
Now, the brightness is still lower than the LED lighting used indoors. If the materials and production methods are improved, the brightness of the products is expected to increase further.
Organic EL lighting is expected to be fully popular around 2015-2016. According to the survey company Fuji economic statistics, by 2020, the domestic market size of organic EL lighting products will reach 108.5 billion yen, about 100 times that of 2012.
The current problem is that materials and production costs are still up to 10 times that of LEDs, but if mass production is carried out, costs will fall. The LED's illumination point is unique, while organic EL illumination products enable a wide range of illumination. If processed into a large area of ​​film attached to the ceiling and walls, it will become a new lighting product. 
Konica Minolta develops flexible organic EL lighting products
Recently, Konica Minolta has developed a thin organic EL lighting product. The product is soft and can be bent so it can be placed in a variety of places. By using the uniform illumination of the surface as a whole, the brightness can be increased to the level of the LED, and the company strives to use it as a sticker attached to the ceiling of automobiles and subway vehicles. In addition, new uses will be developed to illuminate pillars and walls.