According to the machinery statistics by Ministry of Economy, Trade and Industry (METl), the total of domestic light bulb production in 2006 was 1,101 million (88.50/0 year-on-year). Production for general purpose illumination light bulbs and halogen light bulbs accounted for 122 million (99.2o/o y/y) and 45 million (96.30/o y/y), respectively. The total of fluorescent lamp production was 988 million (114.90/0) and the production of general purpose fluorescent lamps excluding backlights accounted for 367 million (1 O1 .70/0 y/y).Further, HID Iamp production was 10 million (106.30/o yly). What is noteworthy regarding such lamp production is that, similar to the previous year, the sales volume (amount) of lamps for general illumination exceeded 1000/o against the previous year, indicating a steady shift to high value added products. Major lighting exhibitions in 2006 included the Light + Building Trade Fair held in Frankfurt in April and the Light Fair International 2006 held in Las Vegas, U.S.A. in May, both of which demonstrated signs of acceleration toward energy saving, high efficiency and resource saving. As for incandescent lamps, products filled with larger atomic weight gases aiming at higher efficiency/longer life are becoming the mainstream. As for new technologies, it was experimenta[[y demonstrated that infrared radiation can be suppressed by processing micro cavities to metal plates made of tungsten, tantalum, etc. For fluorescent lamps, straight and circular f[uorescent lamps achieving a longer life/higher luminous flux maintenance factor continued to be widely developed/launched again this year. For compact fluorescent lamps, energy saving/high efficiency products, multifunctional type products combined with LED and new shaped products were launched. As to HID Iamps, ceramic metal halide lamps with high efficiency, improved color rendering, Ionger life and higher [uminous flux maintenance factor were commercialized one after another. Numerous studies and analyses, on discharge models were reported. Further, studies on ultra high-pressure mercury lamps as light sources for projeu tors are becoming the mainstream of HID Iamp refated researches. For highpressure sodium lamps, many studies on plant growing and pest control utilizing low insect attracting aspects were also reported in 2006. Additionally, for discharge lamps, the minimum sustaining electric power for arc tubes employed in electrode-less compact fluorescent lamps was investigated. For Hg-free raregas fluorescent lamps, a luminance of 10,000cd/m2 was attained by a I meter-long external duplex spiral eiectrode prototype using Xe/Ne barrier discharge. As to startup circuits, the commercialization of energy saving and high value added products mainly associated with fluorescent lamps and HID Iamps are becoming common. Further, the miniaturization of startup circuits for self electronic-ballasted lamps has advanced. Speaking of the overall light sources and startup circuits in 2006 and with the enforcement of ROHS in Europe in July, the momentum...
ABSTRACTAccording to machinery statistics of the Ministry of Economy, Trade and Industry, the quantity of electric lamps produced in Japan in 2010 was 797,000,000 (129.5% compared to the previous year). Of these, 70,000,000 were general lamps (95.5% compared to the previous year) and 35,000,000 were halogen lamps (109.7% compared to the previous year). The number of fluorescent lamps produced was 545,000,000 (86.9% compared to the previous year), and the number of general fluorescent lamps excluding backlights was 251,000,000 (104.5% compared to the previous year). Furthermore, the number of HID lamps produced was 9,700,000 (127.3% compared to the previous year). On the other hand, when looking at sales compared to the previous year, the results for general lighting electric lamps, halogen lamps, general fluorescent lamps, backlights, and HID lamps were 87.3%, 105.1%, 98.1%, 64.7%, and 110.7%, respectively. Moreover, the sales of bulb-type fluorescent lamps included in general fluorescent lamps were 83.9% when compared to the previous year. Adding up these numbers to discuss trends is not an easy task, but we can glean two conflicting factors from this data: a long-term reduction via transition to LED light sources, and a short-term recovery from the significant reduction caused by the economic downturn of 2009. Only backlights show a significant reduction of more than 30% for 2 years in succession, due in large part to a switch to LED lighting. Our main exhibitions included "LED Next Stage
ABSTRACTAccording to machinery statistics of the Ministry of Economy, Trade and Industry, the quantity of electric lamps produced in Japan was 613,000,000 (68.1% compared to the previous year). Of these, 73,000,000 were general lamps (88.1% compared to the previous year) and 32,000,000 were halogen lamps (79.3% compared to the previous year). The number of fluorescent lamps produced was 627,000,000 (72.9% compared to the previous year), and the number of general fluorescent lamps excluding backlights was 240,000,000 (86.0% compared to the previous year). Furthermore, the number of HID lamps produced was 7,600,000 (75.6% compared to the previous year). On the other hand, when looking at the sales amounts compared to the previous year, the results for general lighting electric lamps, halogen lamps, general fluorescent lamps, backlights, and HID lamps were 88.5%, 87.7%, 91.6%, 49.1%, and 76.4%, respectively. For compact fluorescent lamps, which are included within the numbers for general fluorescent lamps, sales amounts were 92.7% compared to the previous year, which was a large drop from 137.3% in 2008. The main causes mentioned for the decreases in production numbers and sales volume for these mainstream lamps are generally the economic recession and the rise of LEDs, a new light source that is now being used in the general lighting field. The main exhibition domestically was Lighting Fair 2009 held in March at Tokyo Big Sight. Internationally, it was Light Fair held in New York City in May. Although some new types of and research results for incandescent electric lamps are seen, their use and production continues to be stopped worldwide due to their low luminescence efficiency. In particular, the EUP directive (a directive related to energy using products and now named the ERP directive) was enacted in Europe in September. The sales of white diffused and clear types of incandescent electric lamps of 100 W or more and halogen lamps are prohibited. In Japan as well, major manufacturers continue to stop or reduce production of incandescent electric lamps. With fluorescent lamps, development into energy efficiency and longer life is healthy and new product releases of compact fluorescent lamps and ring fluorescent lamps are seen. Furthermore, the issue of reducing the amount of enclosed mercury remains and the IEC is continuing validity investigations of measurement methods. For light emitting diode (LED) light sources, 2009 was the year they saw full-fledged commercial viability and it may be remembered as the year that LEDs started to receive attention from average consumers. The luminescence efficiency of individual chips was reported to have reached 250 lm/W at the research level. In the Japanese production industry, the current market price of LED light bulbs quickly dropped to almost a third between the beginning and the end of the year. This drop is believed to be due to competition between the main existing light source manufacturers and manufacturers newly entering the market, the development and market intr...
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