| 摘要 |
PURPOSE: An advertising board is provided to minimize the installation cost by displaying the part of image, polygon, and character in movie on a surface of the display device. CONSTITUTION: A rooftop advertisement board(11) is installed on the rooftop to display image, polygon, or character. A movie displaying unit(12) comprises a displaying surface being exposed on a part of the rooftop advertisement board. The movie displaying unit display displays a part of the image, the polygon, or the character in movie. |
