| 摘要 |
PROBLEM TO BE SOLVED: To prevent a dead angle area and overlap with adjacency in a pattern display device for performing superimposing display. SOLUTION: The moving range of the view point of a player is assumed as a horizontal maximum moving width Ly=30 cm, a horizontal normal moving width Lx=10 cm and a close distance L1=30 cm-a remote distance L2=60 cm for a front-to-back direction. As the most strict case, it becomes the line of sight of a C point (Ly=30 cm and L1=30 cm). Since the width of the display surface of general rotary drums 30a, 30b and 30c is 6-8 cm, when the width Lz of transparent EL panels 28a, 28b and 28c to be superimposed on them is defined as 8 cm, the angleΘc of the extension line Q of the end face on the side of the transparent EL panel 28a of the transparent EL panel 28b and the line of sight from the C point becomes about 48.6 degrees. Further, the interval Lc of the transparent EL panels 28a, 28b and 28c with each other is made to 1.5 cm considering the easiness to see of the player. In order to make the display surface of the rotary drum 30a invisible from the line of sight from the C point, the distance Lb is made to be 1.3 cm or less.
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