| 摘要 |
A prism system is disclosed which employs at least one solid or liquid filled prism element optically coupled to at least one plate like member which forms a total reflection surface or a dichroic mirror. In one embodiment the prism is molded from transparent plastic, e.g., PMMA or polystyrene, and in another embodiment the prism is molded from glass. In the case where a liquid is used, the liquid may be glycerol or a mixture of glycerol and ethyleneglycol. The prism is useful for a projection television set.
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