Core tip: LED white light has been used for some years, as early as 2010 years ago, LED white light has been used as a green lighting in the theater promotion and application.
LED white light has been used for some years, as early as 2010, LED white light has been used as a green lighting in the theater promotion and application. However, for this new LED light source, I always have some objection, always feel this kind of lamps are used for stage performances, and not particularly desirable The reason is that the lamps in addition to energy saving, other functions are not very good use. The light is turbid, the penetration force is poor, the color index is not ideal, especially the light is not accurate, can not be zero, which is a fatal flaw in the stage, which is not used in the drama stage, is a great damage to the atmosphere of the drama.
In 2015 Spring Guangzhou lighting and sound during the exhibition, I saw a white LED lamp of new products (such as Fonda, Hao Yang, Yajiang, etc.), for white LED lamp (imaging lights, spotlights) and the new understanding. These new white LED lamp, not only to fully achieve the zero light, and compared with the tungsten filament lamp, in high silicon controlled dimming accuracy (such as 1024) and its dimmer than the tungsten lamp even delicate, more accurate, this (in Fonda lamp factory compared) let I overthrew the previous views of LED lamps and lanterns, and had a great affection, feeling LED white light the lamp for the drama stage performance in, will bring great convenience to the performance, can not be replaced by other lamps and lanterns. Of course, I am here to talk about the LED white light to our theater stage performance brings convenience, is to use, rather than LED white light of the new technology, if you talk about technology, I am an amateur, also can not talk about. Following from the white LED lamp color temperature stability, use convenient, white balance debugging convenient to talk about the advantages of white LED is my personal of white LED lamp.
First of all, talk about the white light LED has brought us convenience in the unification of color. In the traditional light, stage drama the surface light, slap in the face, beam, top flow lights, light and, the lamps and lanterns of almost all tungsten filament lamp, the lamp color temperature low, generally in 3200K, and as most of the lamps and lanterns of backlight and Jing Guang are computer lights, LED par and LED color lighting, colour temperature is higher, generally in 5600k. This case will cause uneven temperature in the theater performances. There is no big problem for the audience in the theater stage performance, but there is a big problem in the recording, which will make the stage effect and the recording effect produce a great inconsistency. To bring a lot of trouble to work, to bring us a lot of confusion. Because in this case white balance are more difficult to tune, surface light, slap in the face, column light, top light, lighting and other white color temperature varies with the changes of illumination. The light is sometimes weak, sometimes strong, sometimes without light. So, the color is not easy to determine, in this case, the white balance out of tune is not accurate. This kind of problem is often encountered in our work. Sometimes the photographer asked surface color temperature is, it is difficult for us to answer, only to be told they don't exceed 3200 K, because the light will change. In a theatrical performance, the light moment changes with the drama, music, and the change of the light. Such as in the ballet, the change of light sometimes to canopy light, silhouettes, renewed flow and backlighting, adding layers of light, the light attenuation. This television program and recording is different, in the pure TV program recording, surface light intensity of illumination is basically unchanged, color temperature will not change. The stage performance is different, this is also the stage performance and the television program recording the light change, also is the dramatic stage effect and the recording effect different reason. But now the drama stage performance almost all recorded, whether it is recording a professional team, or record your own to solve the unified color temperature it is essential to solve the theatrical performances and recorded one of the effects of different. Use white LED lamps for light, slap in the face, column light, top light, floating lights, we will solve the problem of color temperature is not uniform, to solve the problem of light color temperature will change with the change of illumination. Because of changes in LED white light color with light will not change, its color is relatively fixed. Experience tells us that light white color temperature 4200k around, recording effect and effect of stage performance are ideal, the white LED lamp is very easy to do, which to our work brought great convenience. The emergence of new LED white light, for us to create a solution to the performance and recording of different conditions, provides a solution to the problem.
Of course, computer lights (spot and wash) can also solve these problems, however, it has a lot of inconvenience in comparison with LED white light.
First stability problem. Computer lantern with using the length of time the stability will change, computer lights use time more long, its stability will be reduced, which may and in relation to the aging of electronic components. But these technical problems are not I want to talk about, I also don't understand, I want to talk about this kind of instability to the trouble of our users.
Light moves a hand, if done with computer lamp light, lamp computer runs will be caused by surface uneven, originally the light time of very uniform, region clearly
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