What Is The Difference Between A Point Light Source, A Surface Light Source And A Line Light Source?

Led Point Light:

LED point light source is idealized as a particle point light source. Point light is an abstracted physical concept, in order to simplify the study of physical problems. Just like a smooth plane, a mass point, and no air resistance, a point light source does not exist in reality. It refers to a light source that emits uniformly from a point to the surrounding space. Point light source is a new type of decorative lamp, mainly used for outdoor decoration such as building signs, KTV bars and so on.

Surface light source:

Surface light source refers to the mode of light emission. Compared with LED point light sources and ordinary lamp light sources, existing surface light sources such as flat light sources, LED surface light sources have the characteristics of soft light, no eye damage, power saving, and natural light. The led surface light source is in the early stage of use at this stage, and it is suitable for ceiling lamps, downlights, high bay lamps, fluorescent lamps, bulb lamps and other lamps. Therefore, we will make the surface light source into a circle, torus, square, strip, triangle, etc. The long strip can be directly assembled to refrigerators, cabinets, bedsides, mirror lights, foot lights, etc., without the need for heat sinks.

Linear light source:

Linear light source is a term for architectural lighting. It refers to a continuous lamp or luminaire whose total length of the luminous band is much larger than the distance between it and the illuminance calculation point, which can be regarded as a line light source. "Line light source" in physics: A point-shaped light source that can emit continuous visible light. If its light travels linearly in only one direction in space, then this light-emitting point is called a line light source.

The difference between a linear light source and a point light source lies in the shape of the light. A point light source is a concentrated point-like light. In the lighting project, it is mainly used for the embellishment of the building or used to make the point light source pixel screen display animation, while the line light source It is a long strip of light. The general lamp specification is one meter long. The line light source products commonly used in lighting projects are mainly line lights and guardrail tubes. The wall washer can also be called a line light source, and another is a surface light source. , Generally refers to indoor flat-panel lights, the overall light-emitting large-area lighting.

The light source is far away from the receiving party, and the light you receive can be close to the parallel line, then this light source can be called a surface light source; for example, the sun shines on us, the light received by the hands and the light received by the feet The light can be regarded as parallel, and the light on the whole body is parallel. At this time, we say that the illumination source we receive is a surface light source;

When the receiving source is replaced by the earth and the moon, or replaced by the Pacific Ocean and the Himalayas, at this time, the angle difference between the light and the receiving side is very large and cannot be ignored, so the emitting source is called a point light source;

Linear light sources are also available, such as fluorescent lamps. The light emitted from different points on the light source reaches the same point on an object, and there is an angle difference between the light rays. At this time, the light source is called a linear light source.