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SPD films with darker off-state transmittances and lighter on-state transmittances
SPD films with darker off-state transmittances and lighter on-state transmittances
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机译:SPD膜的暗态透射率较暗,通态透射率较弱
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摘要
A light valve film forming a light-modulating element of a light valve, the film comprised of a cross-linked polymer matrix with a plurality of droplets of a liquid light valve suspension distributed therein. The film has a phase ratio: % particle number value calculated by the formula (I). In one embodiment the light valve film has a relatively low visible transmittance in the unpowered Off state such that the film has a %T of 0.05 and a ΔΤ of 42%. In another embodiment the light valve film has a relatively high visible transmittance in the On state such that the film has a %T of 70% and a ΔΤ of 57%.
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