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Examination of high luminance light guide plate by accumulating method

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7 Author(s)
Fujimoto, T. ; Lab. of Adv. Sci. & Technol. for Ind., Univ. of Hyogo, Ako, Japan ; Okayama, Y. ; Yamashita, K. ; Nishida, S.
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LEDs are attracting attention as a light source for a new form of lighting, taking the place of the fluorescent lamp and the light bulb. They are not suitable for lighting use by themselves, as LEDs are a point light source. However, it is possible to convert them into plane emission form by combining them with light guide plate technology used for the liquid crystal displays. It is therefore possible to use them as lighting devices through the plane emission method. In this laboratory, a minute dot was formed at the bottom of a light guide plate, and light hitting the dot was emitted from the luminescence side of the light guide plate. The amount of light emitted from the luminescence side also increased, if the number of these dots was increased from previous research results. It was thought that a high luminance plate or a plate guiding more light could be created. A method of piling thin light guide plates was proposed as a method of increasing the number of dots, with the piled light guide plates being designed using an optical simulator.

Published in:

Micro-NanoMechatronics and Human Science, 2009. MHS 2009. International Symposium on

Date of Conference:

9-11 Nov. 2009