| 摘要 |
PROBLEM TO BE SOLVED: To improve operating efficiency in fixing a liquid crystal panel to a dichroic prism and to improve heat dissipation of the liquid crystal panel. SOLUTION: An upper plate 2a and a lower plate 2b are arranged for the dichroic prism 1. An optical retardation plate 3, a polarizing plate 4 and a panel fixing frame 5 are fixed to the dichroic prism 1. On the other hand, a transparent glass substrate 7 and heat radiating fins 6a, 6b are fixed to a liquid crystal panel 8 with an adhesive having high thermal conductivity so as to form an integrated combination 9 of the liquid crystal panel 8, the transparent glass substrate 7 and the heat radiating fins 6a, 6b. The liquid crystal panel 8 integrated into the combination 9 is fixed, with the adhesive having the high thermal conductivity, to the panel fixing frame 5 fixed to the dichroic prism 1 by resistor-controlling.
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