| 摘要 |
PROBLEM TO BE SOLVED: To provide double glazing having a built-in light control member such as a freely rotating louver, which is easy to assemble and which will not drop nor deviate in spite of a simple structure. SOLUTION: This double glazing has, a hollow space, a built-in light control member 1 comprising a plurality of crosspiece members 11 and at least two sets of support members 121, 122. Each one set of support members 121, 122 comprises two support members 121, 122 and holes are formed in the crosspiece members 11. A cutout is formed in one side of each of the two support members 121, 122 and the two support members 121, 122 are fitted into the holes in the crosspiece members 11. The cutouts are locked to the longitudinal edge portions of the holes and at least one of the two support members 121, 122 is freely movably disposed.
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