high quality solar LED lanterns enables literacy education

The line-up now comprises three different series that shine with luminous flux levels of up to 72.5 lumens and with an efficiency of up to 125 lm/W.Even without secondary optics, the Pico Zenigata LEDs provide suitable light for energy-efficient lighting. The light conversion layer of the Pico Zenigata LEDs is based on a two-phased development procedure especially developed by Sharp for this purpose. A layer of phosphor for the conversion of white light is applied in a first step. In a second step, installation of the globe top made from transparent silicone enables light extraction without any spreading loss.Moreover, the Pico Zenigata series is already tried, tested and used in large volumes in the LED backlighting of Led high bay light and it is particularly predestined for applications in surface lighting such as ceiling lighting of office rooms and factories. Other typical application areas include sales area lighting, street lighting, architectural lighting and display lighting.It has an external quantum efficiency of higher than 5%, as one of the highest in the world for phosphorescent OLED devices that do not contain any rare metal.

Because phosphorescent materials can realize an internal quantum efficiency of 100%, they are popular in being using in high-efficiency OLED materials. But due to they contain rare metals, traditional phosphorescent materials are more expensive than normal light-emitting materials. As a result, it’s necessary to develop phosphorescent materials that do not contain rare metals.Adachi and Goushi have been engaged in the development of a new light-emitting mechanism. In the mechanism, an excited triplet state (T1) is converted to an excited singlet state(S1). But the conversion efficiency needed to be improved.According to Panasonic, solar LED lanterns store electricity generated from sunlight in the daytime to act as compact lights at night, without generating CO2 in the process. Using these long-lasting, high quality solar LED lanterns enables literacy education and medical activities at night, giving rise to hopes for great progress in solving social problems.

For Formosa Epitaxy , the company announced that it has not received any notices from the courts in Taoyuan and California, it was unable to evaluate the impact on its operations from the litigation.However, Formosa Epitaxy said it remains confident of its technology and will use the litigation as an opportunity to make a formal contact with Toyoda Gosei to safeguard its own rights.According to Hsu Hung-sheng, a lawyer for the Japanese firm, said his client has sought damages from Formosa Epitaxy and requested the court issue an injunction to bar the Taiwanese defendant from manufacturing and selling the disputed led flood light products.Japanese Kyushu Sangyo University’s professor Taro Ochiai has developed LED traffic lights which can be seen by colour-blind drivers.Prof Ochiai starts to study LED application in 2003, when they first began to be used in traffic lights in preference to regular light bulbs. Sources has shown that colour-blindness affects around 8 per cent of males and 0.5 per cent of females, with most people with the condition experiencing problems differentiating between red and green. As a result , Colour-blind drivers reported that the LED signals were more difficult for them to discern based only on brightness as the visual indicator.

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