Light guide device and network camera using same

Abstract

The invention discloses a light guide device and a network camera using the same. The light guide device includes a light guide substrate, a light source bearing part, a first through hole and two first blind holes. The light source carrying part is used to carry the light source and guide the light emitted by the light source into the light guide substrate; the first through hole is arranged on the light guide substrate adjacent to the light source carrying part, and the first through hole is used for other components to pass through. The connecting line between the light source bearing seats is the first connecting line, the two first blind holes are symmetrically arranged on both sides of the first connecting line, and the first through hole is located between the two first blind holes and the light source bearing seat, the two first blind holes The first blind holes correspond to the first area on the light guide substrate, and the light is deflected when passing through the two first blind holes, so as to reduce the brightness of the first area. The present invention reduces the luminance of areas with higher luminance and increases the luminance of areas with lower luminance by setting blind holes of different shapes and functions, thereby reducing the luminance difference between various areas and improving the light uniformity of the light guide device.

Description

technical field [0001] The invention relates to a light guide device and a network camera using the same, in particular to a light guide device with high light uniformity and a network camera using the same. Background technique [0002] Please refer to figure 1 , figure 1 It is a top view of the light source assembly of the network camera in the prior art. The light source assembly 1000' in a common network camera includes a light source 100' (such as an LED) and a circular light guide plate 200'. The circular light guide plate 200' has a central hollow area 210', and four LEDs are respectively located in the central hollow area 210'. In the four corners, when the light source assembly 1000' is working, the light emitted by the LED enters the interior of the circular light guide plate 200' through the edge of the central hollow area 210', making the circular light guide plate 200' a surface light source to meet the requirements of the network camera. backlight requiremen...

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a light guide device and a network camera using it, so as to solve the problem of poor uniform light performance in the prior art

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