Low power design of a field sequential color LCoS chip  

作　　者：刘艳艳 耿卫东 代永平 

机构地区：[1]The Tianjin Key Laboratory for Photoelectronic Thin Film Devices and Technology, Nankai University

出　　处：《Optoelectronics Letters》2009年第5期341-343,共3页光电子快报（英文版）

摘　　要：The low power design of a field sequential color (FSC) liquid crystal on silicon (LCoS) chip for near-to-eye application is presented in this paper. Dual power supplies are used in the design,that is,the supply for part of driving circuits is 3.3 V,and the one for the active matrix is 5.0 V. Serial-to-parallel conversion circuits are adopted to lower the pixel clock frequency of the chip. Also,an idle state is inserted into the pixel clock signal to decrease the switching activity factor to further reduce the power consumption. The LCoS chip is fabricated with 0.35 μm CMOS process and its power consumption is only about 300 mW.The low power design of a field sequential color （FSC） liquid crystal on silicon （LCoS） chip for near-to-eye application is presented in this paper. Dual power supplies are used in the design, that is, the supply for part of driving circuits is 3.3 V, and the one for the active matrix is 5.0 V. Serial-to-parallel conversion circuits are adopted to lower the pixel clock frequency of the chip. Also, an idle state is inserted into the pixel clock signal to decrease the switching activity factor to further reduce the power consumption. The LCoS chip is fabricated with 0.35 μm CMOS process and its power consumption is only about 300 mW.

关 键 词：LCOS芯片 电源设计 场序彩色 低功耗设计 LCOS技术 CMOS工艺 LCOS芯片 驱动电路 

分 类 号：TN492[电子电信—微电子学与固体电子学]