Analysis of Creative Expression of City Image by Electro-optical Urban Medium "City Lighting"

As an important medium of electro-optical city, urban lighting plays an important role in the construction of the city's image, communication and conceptual expression. In the 21st century, more and more lighting media incorporate more creative design, having broken through the traditional lighting "shape", strengthened and enriched for its innovative application of urban expression style matrix. This paper focuses on the lighting media in the large-scale light art works carried by the four bridges over the Thames in London, which is an electro-optical city of the 21st century, and analyzes and evaluates the creative expression of the lighting media by combining with the city's representational style matrix, aiming to analyze the concrete practice of the city's representational style matrix in reality, exploring the significance and communication value of the city's media for the construction of urban image.