1Practice and Exploration of Building a New Standard System to Promote the High-Quality Development of Light IndustryZHANG XinSpecial Study1-32Research on Classroom Lighting Technical Standards and Application QualityCAO Xiaobing, SUN Changfu, CAI Chun, ZHANG ZengyingSpecial Study4-83Lighting Status and Light Pollution Analysis of Building Curtain Wall and Billboard in Shenzhen——Take the Shenzhen Citizen Center as an ExampleCHEN Yuling, WANG Hongbing, YAO QiSpecial Study9-124Study on the Luminescent Properties of Ce-doped KYF Nanocrystals at Different Citric Acid DosesHE Weiyi, LIU Gan, YUAN Wen, DING Bolin, XU Jiayue, TIAN TianSpecial Study13-175The Design of Free-form Fresnel Lens Used for LED Uniform IlluminationDAI YidanTechnical Improvement18-236Non-Linear Simulation for Snap Assembly of Automobile Lamp Based on NX NASTRANYE Dun, ZHANG Shuaishuai, SONG KunExperience Exchange24-287Design of a LED Driver Based on LLC Resonant ConverterLI Delong, CAO Jiawei, LI WenhengExperience Exchange29-328Discussion on Energy Management Contracting Service Mode of Road Lighting Energy-saving Renovation ProjectHE Mingjia, HUANG HaiExperience Exchange33-36