| 摘要 |
PROBLEM TO BE SOLVED: To solve a problem that, when a big screen multi-color LED display device is placed at the outdoors or the like where it receives much sunlight, the light of LED is beaten by the brightness of the surroundings and difficult to be recognized; and a problem that the indication of LED display device is difficult to see because the sunlight reflects upon the screen of a display device. SOLUTION: This is a big screen display device provided with numerous picture element light emitting bodies which are dispersedly arranged, and a sheet which has numerous penetrating holes formed, and which has letters, figures, and pictures printed on the part except for the penetrating holes. The sheet is installed close to the light emitting direction of the picture element light emitting bodies, and make the picture element light emitting bodies be exposed from the penetrating holes. COPYRIGHT: (C)2004,JPO
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