Lighting device for improvement of light performance of borehole television
A technology for drilling TVs and lighting devices, which is applied to lighting devices, components of lighting devices, lighting applications, etc. It can solve the problems of poor overall image quality, bright and dark images, bright and dark light, etc., to achieve reasonable structure, Consistent brightness and good effect
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[0009] The lighting device of the present invention will be further described in detail below in conjunction with the accompanying drawings
[0010] see Attachment
[0011] A lighting device for improving the lighting performance of a borehole TV. The lighting device is composed of a probe tube 1, a light-transmitting cover 2, a base 5, an LED lamp group 6, and an astigmatism pad 4. The upper end of the light-transmitting cover 2 is sealed and connected to the probe tube 1. The lower end of the light-transmitting cover 2 is sealed and connected to the base 5. The inner wall of the light-transmitting cover 2 is covered with a reflective layer 3. The reflective layer 3 is made of colorless and transparent nano-metal chrome-aluminum. The thickness of the reflective layer (3) is 8 ~ 10nm. The combination of the reflective layer 3 and the light-transmitting cover 2 can be completed by coating or film-sticking process. A light-scattering pad 4 is arranged at the bottom of the light...
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