Experts gathered in Guangzhou to discuss TV lighting technology

The "2013 TV Lighting Technology Symposium" hosted by Guangdong TV and CCTV's "Modern Television Technology" Editorial Department and the China Illuminating Academy's Stage Film and TV Lighting Professional Committee was opened in Guangzhou today. In the event, these experts will discuss television lighting technology.

On the morning of March 8, China Central Television, Qu Guojun, a national-level stage lighting designer, Chen Guoyi, a professor at the Shanghai Theater Academy, and Steve Rowling, chief lighting designer of the Professional Lighting Exhibition at Martin, delivered speeches. Among them, Mr. Qu Guojun spoke brilliantly on the topic of “Design of CCTV Spring Festival Gala”. At the end of his speech, he specifically mentioned the “multi-theoretic” art space. He believes that today, there is a cross-cutting synthesis of artistic creation, lateral interdisciplinarity between the disciplines, a blurring of the boundaries of the performance categories, and a comprehensive multi-disciplinary performance. The artistic expression elements, interdisciplinary exploration and research, will become the historical trend of the development of lighting art in the new era. With the emergence of emerging light sources and emerging lighting fixtures, their scientific and technological features and the infinite richness of arts are bound to give rise to new concepts, methods of creation and new integrated concepts.

Qu Guojun said: "In a sense, this will mark the arrival of a new era of new disciplines, mutual symbiosis, new technologies, and technical lighting arts."

Chen Guoyi, a professor at the Shanghai Theater Academy, revolved around the theme of "Characteristics and Prospects of LED Performing Arts Lamps." First, he introduced several stages of the development of electric light sources and lamps, including: incandescent lamps, fluorescent lamps, gas discharge lamps, and The fourth generation of new light source LED. He said that the development trend of lighting fixtures will be energy saving and high efficiency, which is also the requirement of the times. He then explained to everyone the main features of LED lamps: 1. Energy-saving and efficient, and low power. 2, bright colors, the spectrum is not connected. 3, long life, attachment restrictions. The coexistence of high quality, low price, and low quality and low price is the current status of LED lamps in the market. This also involves how to choose and use LED lamps and other issues.

Chen Guoyi also shared the skills and advantages of color light LED lamps for color effects. He pointed out that when color light LED lamps were used, he pointed out that color lights (effect light, atmospheric light, and requirements) were used in entertainment programs and song and dance performances in variety shows. Bright, stimulating, no requirement for color rendering). He said that the color brightness saturation of cities in color LED lamps is much better than that of traditional lamps plus filters. Color LED lamps have extremely high color efficiency and obvious advantages in energy saving.

He also mentioned that white LED lamps are required for applications with high color rendering, such as news and interviewing programs, and are mainly character-based, with high color rendering requirements. Suitable for high color rendering white LED light source. He introduced that the color rendering of white LED lamps is quite different, the color rendering index is from 50 to more than 90, and the application of television stations requires Ra ≥ 85, and the actual 85 or so can. The cost of LED with RA ≥ 90 is greatly increased and the light efficiency is greatly reduced. In addition, the spectrum of white LED lamps is mainly lack of red light.

Finally, we discussed the issues related to the longevity of LED entertainment luminaires, including the life of the light source and the life of the accessories.

The expert from abroad, Steve Rollin, chief lighting designer of the Martin Professional Lighting Exhibition Department, gave a presentation on the lighting of large-scale projects and evening events. Steve Rolling referred to the issue of “Efficient Energy Saving in TV Production”. How to define energy efficiency? He pointed out that energy efficiency includes light sources, lamp bodies, and lighting consoles. Efficient lighting fixtures location and at all stages of the production process, energy-saving lamps will effectively reduce energy consumption, reduce the use of cooling equipment and reduce bulb replacement.

Steve Rollin introduced the concept of “energy saving and environmental protection”. He believes that television stations should purchase necessary and frequently used equipment and try to rent or purchase equipment that is closer to the TV station than the TV station. Priority should be given to brands and products with good quality because They describe the trueness of their product's performance.

He said that on the aspect of energy saving, 80% of the main energy consumption of TV stations should come from the use of related lamps; from the perspective of environmental protection, lamps from raw materials, to production, to transportation, to end-of-life also affect the environmental protection of our lives. .

"Today's small changes will change our future!" Steve Rollin finally wrote to experts and industry experts.