In recent years, due to the rapid development of science and technology and the unremitting efforts of our stage lighting workers, the rapid development of stage lighting art in China is obvious to all. In particular, the application of computer lights on the stage, stage lighting art has highlighted several unique functions, and has other departments can not replace the means of expression.

1、 Stage lighting creates space on the stage

People often say that space exists, but on the stage, without the gathering and projection of lights on the stage, the audience can't see the space. Moreover, the light is like the baton of the audience's eyes, where the light is projected, the audience's eyes will see. The size of the space on the stage is controlled by the light. Because the illumination of the light on the stage is spliced by blocks, it can expand and shrink freely, as small as a person's face, as large as the audience can see every corner of the stage, and the light can also create a separate and unrelated space on the stage, The light can be changed in an instant.

2、 Stage lighting can create environment on stage

On the stage, due to the needs of the plot, there will be all kinds of environments that people can see and imagine. The scenery can shape the environment on the stage. It can draw and create the environment with houses, mountains, woods, rivers and so on. However, the lighting can give it life and vitality, and create the reality that the audience imagined. The same environment, due to different plots, can show a variety of simulation environment in front of the audience, which is one of the biggest functions of stage lighting. Lighting can irradiate a group of scenes from various angles, with different brightness and color, so that the scenes can be displayed in a specific environment, such as day, night, night, sun, cloudy day, rainy day, lightning, lighting, fire, tree shadow, etc. as long as people can see in the real environment, lighting can be created on the stage. For another example, lighting can create a special feeling and atmosphere in the same environment. For example, the hilarious scene, the solemn scene, the emotional scene, the exciting tense scene and so on. Lighting can also create a variety of regional characteristics of the atmosphere of the environment, such as: War, farmhouse atmosphere of the mountains, noisy metropolis, quiet farmyard, city high-rise mansions and so on.

3、 Shaping the appearance of characters

The characters in the play, on the stage, can be shaped by the light in different environments and different plots, so that the appearance of this image can be integrated into the specific environment, the specific scene, the specific characters, thrown into the audience's vision, embedded in the audience's feeling, Such as: a pair of lovers, an innocent girl, a resolute soldier, a young woman with rich makeup, a simple youth, an experienced old man, a slovenly young man, a well-educated intellectual and so on. In addition to packaging an actor with costumes, the appearance of these people can be vividly displayed in the eyes of the audience.

4、 Revealing the psychological changes of characters

On the stage, the actor's performance is revealed according to the script. The characters in a play are expressed by the speech, expression and action of the actors. According to the psychological changes of the specific characters in the play, lighting can assist the actors to perform. The psychological changes of the characters in the play can be displayed on the external view of the actors with the unique means of lighting, so as to help the actors express the emotions and psychological changes of the characters in the play more thoroughly, More outward looking. Such as the characters' joy, pain, melancholy, sadness, anger, timidity, madness, ferocity, kindness and so on. It can also use the light to bring the audience into the plot and produce resonance. Sometimes the audience and the characters in the plot can complete the performance together, so that the actors can perform better.

The above is just a description of the main functions of lighting on the stage. It can be seen that the function of lighting on the stage is not small, so what is the means of lighting to create these functions? It is a kind of lamp with various characteristics. It is the position and quantity of the lighting device set by the lighting designer, the various angles of the light, the various colors of the light, the various light and shade degrees of the light and their changes, especially the colorful embodiment of the current computer light on the stage, that is, the change of the position of the lighting device, the change of the angle of the light, the change of the color of the light, the change of the light and shade, And all these interconnection and application, as well as the various functions provided by the lighting control equipment, more importantly, the imagination of the lighting designer and the skilled use of the lighting equipment. It is often said that the stage lighting starts to speak in the stage performance. It's not true. It should be the stage lighting that helps the scene to show, the characters to speak, and the script to tell fascinating stories to the audience.

Lighting is the soul of the stage, it plays a finishing touch, icing on the cake role. The use of stage lighting can transform the static stage space and spiritual composition into a dynamic thinking scene, giving the stage vitality.