ECO-FRIENDLY BILLBOARD USING THE DYE-SENSITIZED SOLAR CELL

摘要

PURPOSE: An environment-friendly advertisement sign board is provided to simplify the structure of an advertising board by including a generation source and a display function in a dye sensitized solar cell. CONSTITUTION: A power generation and display unit(42) arranges dye sensitive solar cell units which are manufactured by dyes of different colors according to advertisement contents and displays the advertisement contents and generates power. A protecting layer(41) is formed in the front side of the power generation and display unit. A light source unit is formed in the rear side of the power generation and display irradiates light to the power generation and display unit. A storage battery(45) stores power which is generated in the power generation and display unit.