Qinshang Optoelectronics announced that recently, the company received the Notice of the Dongguan Municipal Finance Bureau on the allocation of funds for the third batch of provincial strategic emerging industry development special funds (LED industry) project (Dong Cai Han [2012] No. 1727). The n

1 Introduction With the improvement of the level of urban modernization, the construction of lighting night scenes has become an important symbol of the level of urban planning and construction. A beautiful city needs to watch the building for greenery during the day and the nigh