1. Natural lighting depends on the time of solar radiation, which produces different visual effects, from color to light - darkness of the architecture that the architect creates on the surface of the building. The Of the shady trees on the street or a sky of foam sponge float, shadow on the glass wall throughout the building ... And when the night falls, the urban architecture, including the The magnificent buildings become black brick concrete blocks, cold if not illuminated by artificial light.

The art of illumination is ever since, but it came to light after Thomas Edison invented the electric light bulb in 1879. At that time, on the bumpy streets of the carriages European cities began to emerge as streetlights fitted with incandescent light bulbs, thanks to the yellow, yellow, or light colored advertising signs of New York City bars and shops. (America).

Over the past hundred years, urban lighting has become familiar and important, an indispensable element in the space of modern urban architecture. Become a special cosmetic beauty for urban appearance. Urban lighting is increasingly enhanced by the creative talents of architects and lighting designers and the innovative thinking of urban managers. Architecture and urban space are therefore more and more splendid, more beautiful, more attractive under the subtle colors of light. Lighting art has brought the brand, the symbol of the city. Cities like Paris (France), New York (USA) are called the capital of light is like!

In Vietnam, due to the backward economy, over several decades of continuous war, the urban lighting is still poor. The cities, towns, and towns are illuminated only in the streets, while the lane and alley are almost absent. It was only when the country stepped into the doi moi period, shifted to a socialist-oriented market economy and integrated into the world, the field of urban lighting really developed. Over the past 30 years, there have been public lighting systems in all 800 cities, from streets, parks, public spaces to alleys. This is a great effort of the Party and State in the strategy of development and improvement of urban life.

However, the art of urban lighting in our country is relatively new and less attention. We do not have a team of professional lighting designers, this field has not been properly invested, so art lighting has not developed, not meet the increasing demand of society. , of life and of the economy. Urban lighting can not be arbitrary but must be appropriate for each object, each type of urban architecture and each type of lighting. Other street lighting illuminates public spaces, squares, flower gardens, lakes. Lighting of cultural monuments is different from the illumination of the headquarters of the agency. Lighting advertising signs must be different to illuminate a bridge. Lighting the office building must be different lighting hotel projects ...

However, for any object, urban lighting should not pollute the visual environment and waste the economy, thus contributing to increasing the urban aesthetic value, raising the culture for the people, attracting Tourism, trade and tourism development.

Urban lighting contains three important elements - aesthetics - economics and environmental protection.

2. Today, Vietnam is preparing to enter the industrial revolution 4.0 on the basis of development of information technology and digital. We are also encouraging the development of green architecture, smart architecture and urban green, smart urban. This is the trend of human development in the 21st century to cope with severe global climate change, with the exhaustion of natural resources such as oil and coal. ... environmental pollution caused by dust and waste. All these efforts are aimed at ensuring the sustainable development of society and human life on the planet.

Intelligent lighting is part of the structure of the smart metropolis. Intelligent lighting with the control of the electronic brain will give us the optimum illumination of performance, visual field, urban aesthetics, minimal use of electricity, and so on. The fee is also the lowest. Intelligent lighting starts from the design of architects and lighting designers to lighting equipment suppliers. This is the organic link in a complete urban body.

In recent years, urban lighting has been widely applied. Not only light but urban lighting also makes the street more vibrant, more vibrant by the appearance of more and more commercial facilities, supermarkets, restaurants, cafes with signs and boxes. advertisements, small size fonts and various color variations ... are all lit up

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