the compulsory market access requirements for the electrical products in Japan

Asahi's "sheet-to-sheet method" of handling ultrathin glass allows the glass to be handled in existing manufacturing lines, the company says.The carrier glass can be easily removed, and the Led high bay light glass substrate combined with the carrier glass does not directly contact manufacturing equipment, preventing the glass substrate from being scratched. The resulting resistance to heat and chemical treatments used for manufacturing displays is as high as that of a normal glass substrate.Typically, the organic light emitting layers have higher refractive indices than those of a glass used for substrate and air, and only about 20% of the total generated light can be extracted because of the total internal reflection at interfaces. Although a variety of technologies have been developed, including a light extraction film attached onto the substrate and a light-scattering structure placed between organic layers and the substrate, the light extraction efficiency stayed below 40%.

OLEDs are capable of emitting any color including white when a voltage is applied by combining organic materials that emit various colors such as red, green, and blue. The soft surface luminescence makes OLEDs suitable for lighting a wide area, and along with the benefits of being not overly bright when viewed directly and a thin and lightweight structure, they are receiving attention as the next generation light source. Lighting devices equipped with the high efficiency OLEDs are considered to achieve a luminous efficiency comparable to or higher than that of fluorescent lamps (approx. 60-80 lm/W) or LED lighting fixtures currently available in the market. Further, a wide variety of applications are expected for OLED devices, including use in general lighting. White OLED lighting will create new value in people's daily lives and has great potential for realizing a comfortable and ecological lifestyle.

The PAR Series which promote the concept of environment friendly was using the lead-free, mercury-free materials, and also non-UV included. A variety of different angles to provide, with high color rendering index and light-weight design,the PAR series are suitable for install at shops, hotels and meeting halls and other commercial lighting. PSE Certification is the compulsory market access requirements for the electrical products in Japan. To enter the Japanese market, these products need to be either self-tested or tested by a third party and have a self-declaration of compliance with The Safety Law of Electrical Appliance & Materials. The manufacturer are obliged to keep the testing report and the proof, and the certified product(s) should be marked with the round PSE certification label.Compared with a conventional method that packages an LED device by inpouring liquid resin, the new method can reduce the time used for packaging process to 1/9.With the conventional method, a "Led flood light" is formed around an LED device on the substrate to keep the resin. Then, the resin and a fluorescent material are churned and poured onto the substrate. Lastly, it is solidified by heat.However, when the resin and fluorescent material are not equally mixed, the fluorescent material deposits in the resin or the amount of the resin is too large or too small, variations occur, making it difficult to stabilize product quality. When there is a variation in product quality in the packaging process, there are variations in chromaticity, etc.With the new method, when an LED device is covered with the gel-like silicon resin sheet and heated to a temperature of about 150°C, the sheet hardens in about 40 minutes, completing the packaging process. With the conventional method, the whole packaging process takes six hours.

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