The special issue is planned to coincide with the IEIJ annual meeting held at the Nagoya University Higashiyama campus, Nagoya City, in September 2013. We have been working on the Cover of journal, Lighting data sheets, Lighting designs, Foreword, Special issue technical reports, Letter from branch, General introduction of research laboratories and a Installation report of this region. Though every subject is relevant to this area, we feel that members of our society can get a better understanding of the overall research direction of illuminance from these papers. We in the WG expect that members from all areas will contact members of the Tokai branch at the annual meeting and co-operate with the aim of deepening their research.
The "Good Lighting Award" from IEIJ has been given to the lighting facilities completed last year due to its excellence in visual environment, lighting technique, and effect of the lighting. In the Tokai branch, this award was judged by a selected committee comprised of university professors and fellow members. There are about thirty applications every year. The committee not only recommends the "Good Lighting Award" for the IEIJ headquarters but also selects the "Prize of the Head of the Tokai Branch" and the "Tokai Branch Encouragement Prize". In this paper, we report which facilities have won in the past six years and summarize the transition of the lighting facilities of the Tokai branch. As for recent trends, LED lighting has become widespread and the use of more original LED lighting technology in the future is expected.
We evaluated the energy efficiency of LED lighting using daylight control and settings. Results of a questionnaire indicated that we should adjust environmental awareness and settings. In order to save the energy of fluorescent lamps without relying on daylight, we need to consider low energy. We found that energy saving for lighting is easy at peak times.
Several lighting-related activities at the Tokai Branch are presented. These activities are related to two representative studies concerning the application of lighting for biological technology and the development of LEDs. Two manufactories of luminaires concerning indoor lighting and street lighting are introduced. Two museums devoted to culture, popular education, self-learning, and civilization are also presented.
We present a new LED lighting system using Ise Paper Stencils, which are a traditional handicraft in Mie prefecture, Japan, as lampshades and discuss their optical properties. Clear patterns in the Ise Paper Stencils can be observed by using blue and green lights as the exciting source. To determine why these colors of light are effective, we studied the optical characterization of the Japanese paper by tanning it. We found that in the case of tanned paper, a higher transmittance can be obtained when red light is illuminated while a higher absorbance can be obtained when green and blue lights are illuminated. Green and blue lights are therefore most suitable as the source of new LED lighting with Ise Paper Stencils lampshades.
The development of combined convective and infrared ray technology shortens the annealing time of plastic injection moldings and the drying time of shrimp crackers. Because the processing time has become shorter, we developed a continuous anneaing machine. This improved the quality because the same characteristics of the product heating remained. We also developed a one-step seasoning dryer for shrimp crackers. Because the fall and rotary processing disappear, breaking does not occur. This improves the yield rate and decreases the production cost.