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Double-layer Fabry-P$\acute{e}$rot filter interferometric modulator display
Chen, Chao Ping,Xiong, Yuan,Yang, Yuxing,Li, Xiao,Li, Hongjing,He, Gufeng,Lu, Jiangang,Su, Yikai 한국정보디스플레이학회 2013 Journal of information display Vol.14 No.4
Presented is an interferometric modulator display characterized by double layers of liquid crystal (LC) Fabry-P$\acute{e}$rot filters. With this design, no polarizers and color filters are needed, and both the color and amplitude can be tuned by electrically controlling the LC's birefringence. Instead of the conventional RGB trisubpixel color scheme, a bisubpixel structure is proposed to render a super-wide color gamut. Through simulations, the device performance was numerically studied. The device was proven to be quite suitable for green-display application.
Double-layer Fabry–Pérot filter interferometric modulator display
Chao Ping Chen,Yuan Xiong,Yuxing Yang,Xiao Li,Hongjing Li,Gufeng He,Jiangang Lu,Yikai Su 한국정보디스플레이학회 2013 Journal of information display Vol.14 No.4
Presented is an interferometric modulator display characterized by double layers of liquid crystal (LC) Fabry–Pérot filters. With this design, no polarizers and color filters are needed, and both the color and amplitude can be tuned by electrically controlling the LC’s birefringence. Instead of the conventional RGB trisubpixel color scheme, a bisubpixel structure is proposed to render a super-wide color gamut. Through simulations, the device performance was numerically studied. The device was proven to be quite suitable for green-display application.
Vapor-phase selective hydrogenation of maleic anhydride to succinic anhydride over Ni/TiO2 catalysts
Weitao Huo,Chunlei Zhang,Hongjing Yuan,Mingjun Jia,Chunli Ning,Yong Tang,Yi Zhang,Jiahuan Luo,Zhenlu Wang,Wenxiang Zhang 한국공업화학회 2014 Journal of Industrial and Engineering Chemistry Vol.20 No.6
A series of supported Ni/TiO2 catalysts were prepared by incipient wetness impregnation method underdifferent calcination temperatures, and the as-prepared catalysts were characterized by X-ray diffraction(XRD), hydrogen temperature-programmed reduction (H2-TPR) and X-ray photoelectron spectroscopy(XPS). The catalytic properties of these Ni/TiO2 catalysts were investigated in the vapor phasehydrogenation of maleic anhydride (MA) to succinic anhydride (SA). The results showed that thecatalytic activity and the selectivity of the Ni/TiO2 catalysts were strongly affected by the calcinationtemperature. The catalyst calcined at 1023 K showed a relatively higher SA selectivity of 96% at high MAconversion (96%) under the tested conditions (493 K and 0.2 MPa). The improvement of SA selectivitycould be mainly assigned to the presence of suitable metal–support interaction, which can play a role incatalytic property of active nickel species as electron promoter. Besides, the change of surface propertiesof TiO2 support with the increasing calcination temperatures, e.g., the decrease of Lewis acid sites, mightalso have some positive role in reducing the side-products like g-butyrolacetone (GBL).