2023年2月第34卷第1期照明工程学报ZHAOMINGGONGCHENGXUEBAOFeb.2023Vol.34No.1LED可见光通信的研究进展李征1,王沸钢1,梁静远1,秦欢欢1,赵黎2,柯熙政1,2(1.西安理工大学自动化与信息工程学院,陕西西安710000;2.西安工业大学电子信息工程学院,陕西西安710000)摘要:LED以其节能、高效、耐用、绿色、环保等优点受到社会的高度重视,在显示屏、交通信号灯、液晶屏背光、温室补光和日常照明,乃至通信等诸多方面有广泛的应用。本文从LED的原理出发,阐述了白光LED的原理和材料器件进展。针对白光LED在可见光全双工通信中的应用,对LED的光学设计、驱动电路和信道建模进行了讨论,并引用实验进行了验证,最后对LED未来的发展进行了展望。关键词:LED;白光LED;可见光通信;光学设计;信道建模中图分类号:TM923文献标识码:ADOI:10.3969/j.issn.1004-440X.2023.01.006ThePrincipleandResearchProgressofLEDVisibleLightCommunicationLIZheng1,WANGFeigang1,LIANGJingyuan1,QINHuanhuan1,ZHAOLi2,KEXizheng1,2(1.SchoolofAutomationandInformationEngineering,Xi’anUniversityofTechnology,Xi’an710000,China;2.SchoolofElectronicandInformationEngineering,Xi’anTechnologicalUniversity,Xi’an710000,China)Abstract:LEDishighlyvaluedbythesocietyforitsenergy-saving,highefficiency,durability,green,environmentalprotectionandotheradvantages.Ithasawiderangeofapplicationsindisplay,trafficlights,LCDbacklights,greenhouselightinganddailylighting,andevencommunications.BasedontheprincipleofLED,thispaperdescribestheprincipleofwhiteLEDandthedevelopmentofmaterialanddevices.AimingattheapplicationofwhiteLEDinvisiblefull-duplexcommunication,theopticaldesign,drivercircuitandchannelmodelingofLEDarediscussed,andtheexperimentsiscitedforverification.FinallythefuturedevelopmentofLEDisprospected.Keywords:LED;whiteLED;visiblelightcommunication;opticaldesign;channelmodeling通信作者:柯熙政,E-mail:xzke@263.net引言随着科学技术的发展,白炽灯、荧光灯这些效率低、能耗高的传统光源逐渐退出历史舞台[1]。鉴于LED具备节能环保、使用寿命长、经济效益好、性能稳定、性价比高等优点,受到了市场的普遍重视[2]。目前已广泛应用于路灯、显示屏、户外固态照明设备和可见光通信[3...