The use of LED tube irradiation angle
In the actual application of LED tubes, the light irradiation is different, which directly affects the lighting effect. Lighting methods can be divided into four types: front light, oblique side light, metering and top light. Let's analyze the effect of use. LED tube front light - the light comes from the front of the product. Products illuminated by frontal light have a bright feeling and can fully display the colors and details of LED products. However, the three-dimensional sense and texture are poor, and it is generally used for the lighting of the shelves in the store. Directly illuminated by reflected light from the front. The brightness of the light source is required to be high, and the color temperature can be slightly higher. Such as 6000-6500k, the CRI is better at 70-80, so the reflective effect is obvious. LED tube side light - the light is illuminated from the side of the illuminated object, so that the contrast between the light and dark of the illuminated object is strong. Also known as 90° side light, it is generally not used alone, but only as auxiliary light. In this case, the brightness of the light source should not be too bright, otherwise it will be suspected of overpowering the guest. Led tube oblique side light - the light usually illuminates the object to be illuminated from the oblique orientation of the left front side or the right front side. It refers to the light position where the light and the irradiated object are at 45°, which is the most commonly used light position in the window display. It is used for irradiation of partially protruding parts. LED tube top light - the light coming from the top of the product will cause the product to produce heavy shadows and should generally be avoided. Multiple LED tubes can be used to turn on the illumination at the same time to avoid ghosting. For example, the shadowless lamp used in the operating table is produced by this principle. However, in practical applications, front light and oblique side light are often used. Top light is also commonly used in large-area lighting, such as shopping malls and supermarkets. The number of LED tubes must be increased to eliminate shadows and affect the effect of lining up products. In use, out of consideration of the angle, at the same time pay attention to the use of color temperature, there will be unexpected effects. Different color temperatures have different visual effects. It can be selected according to the situation in different applications.
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