| 摘要 |
A transmission-variable screen is provided to implement a holographic projection screen and a rear projection screen according to the transparency changed by thermal energy. A transmission-variable screen comprises a variable medium(40) capable of changing the transmissivity, a pair of substrates(10,20) forming a cell by surrounding the variable medium, and a sealing units(30) sealing a pair of transparent substrates. The variable medium obtains by light-curing a composition, which is made of at least one water-soluble thermo-responsive polymeric material, a light curable hydrophilic monomer, a coupling agent, a photoinitiator, and an anti-shrinking agent. |
