| 摘要 |
PROBLEM TO BE SOLVED: To provide a screen for projection which is capable of forming a picture projection surface of large area and, moreover, making a screen body compact by folding the same in the vertical two sheet directions and, therefore, can be easily carried. SOLUTION: The screen body 1 is composed of eight sheets of screen pieces 2a-2h which are arranged in two rows and four columns. Therein, hinge parts 4, 5 are disposed on respective boundary parts between four sheets of screen pieces of one side row and four sheets of screen pieces of the other side row, a boundary part between the central two sheets of screen pieces of the one side row and respective boundary parts between one side of the central two sheets of screen pieces of the other side row and the screen piece of the one side row end adjacent to the one side of the central two sheets of screen pieces of the other side row and between the other side of the central two sheets of screen pieces and the screen piece of the other side row end adjacent to the other side of the central two sheets of screen pieces. Further, cutting lines 6 are disposed on respective boundary parts between one side of the central two sheets of screen pieces of the one side row and the screen piece of the row end adjacent to the one side of the central two sheets of screen pieces of the one side row and between the other side of the central two sheets of screen pieces and the screen piece of the row end adjacent to the other side of the central two sheets of screen pieces and a boundary part between the central two sheets of screen pieces of the other side row. COPYRIGHT: (C)2005,JPO&NCIPI
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