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激光,2005,16(7):793—796.[11]Kurdthongmee.W.Design and implementation of an FPGAbasedmultiplecolour LED display board[J].Microproces—sors and M icrosystems,2005,29:327336.[12]M Xichao.z YuanYue.Gillessen C.Survey of interconnectionmethods which reduce the num ber of external connections forLED displays[C]SID International Symposium,1980,22:181—184.[12]沈慧,郭維,朱大中.脈寬調(diào)制型大功率LED 恒流驅(qū)動芯片的研究.固體電子學(xué)研究與進(jìn)展.2006,26(3):359—363.[14]李熹霖.談LED大屏的刷新頻率和換幀頻率[J].現(xiàn)代顯示,2004,22(1):22—26.[15]Murray S A.Human factors in displays[M]MeasurementInstrumentation and Sensors Handbook.Steven:CRC Press,2000.。光電子技術(shù),2010,30(2):132134[7] Abramov V S,Puisha A E,Polyakova I P,et a1.LED mod—ules for large screens[J].Journal of Optical Technology,2003,70(7):492—494.[8] Nguyen F.Challenges in the design of a RGB LED display forindoor applications].Synthetic Metals。激光,2005,16(7):793—796.[5] Kurdthongmee.W.Design and implementation of an FPGAbasedmultiplecolour LED display board[J].Microprocessors and M icrosystems,2005,29:327336.[6]鄧宏貴,梅衛(wèi)平,曹文暉,等。五、 主要參考文獻(xiàn)[1] Abramov V S,Puisha A E,Polyakova I P,et a1.LED modules for large screens[J].Journal of Optical Technology,2003,70(7):492—494.[2] Nguyen F.Challenges in the design of a RGB LED display forindoor applications.Synthetic Metals。為了獲得較高的發(fā)光效率和調(diào)光效果,設(shè)計(jì)了一個(gè)PWM驅(qū)動的LED照明電路。這種方法在稍微降低發(fā)光效率的條件下,極大地提高了LED