Light guide reflecting board

A reflection plate and light reflection technology, applied in reflectors, diffusion elements, lighting and heating equipment, etc., can solve the problems of low light guide efficiency, poor decoration effect, and attenuation of reflection intensity, and achieve high light guide efficiency and decorative Good effect and uniform brightness

Inactive Publication Date: 2003-05-28
HAIER GRP CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The existing light guide plates, light guide columns or reflectors for decoration and sterilization have the following disadvantages and deficiencies: light guide and reflection efficiency are low, brightness is insufficient, the brightness of the light guide plate is uneven, and the reflection intensity decays quickly with the distance from the light source
Therefore, the decorative effect is poor
When this kind of light guide plate is used for ultraviolet light sterilization or photocatalyst regeneration and activation, because of its low light guide efficiency and fast attenuation, the sterilization or photocatalyst regeneration effect is also poor.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Embodiment 1. A light guide reflector. It consists of a reflective plate with a smooth inner surface made of transparent material and an electric light source installed on one side of the reflective plate. The reflector is wedge-shaped, and there is an angle α between the reflective surface on the back and the front, and the thickness of the reflector gradually decreases with the distance from the electric light source. There are dot matrix concave points on the back of the reflector, and the arrangement density increases with the distance from the electric light source. Light-shielding materials are provided on the three side peripheries of the reflection plate and its back reflection surface. The shade material consists of a reflective coating. The electric light source is an ultraviolet light source, and a photocatalyst sterilizing and deodorizing device is installed in front of the reflecting plate. Embodiment 1 has good decoration and bactericidal effects, and t...

Embodiment 2

[0018] Embodiment 2. A light guide reflective plate for decoration. No photocatalyst sterilization deodorizer is installed. Its light-shielding material is coated film, and the electric light source is a two-color light-emitting diode. All the other are with embodiment 1. The decorative effect of Example 2 is excellent.

Embodiment 3

[0019] Embodiment 3. A light guide reflective plate. The shading material is glossy paper. The reflector is injected from clear polycarbonate plastic. All the other are with embodiment 1. The production cost is cheap, and the decoration and sterilization effects are good.

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PUM

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Abstract

An optically reflective plate used for air conditioner, refrigerator, etc is composed of a wedged reflecting plate made of transparent material and with smooth internal surface, and a light source installed at one side of said reflecting plate, which may be ultraviolet light source. Said reflecting plate has a thickness variable with the distance from light source and a concave point array on itsback. The density of concave points varies with the distance from light source. The shading material is arranged on three side surfaces and the back of said reflecting plate. A photocatalytic disinfecting deodourizing unit is installed in the front of said reflecting plate.

Description

technical field [0001] The invention belongs to an optical reflection device, and more specifically relates to the improvement of a light guide reflection plate for decoration, sterilization and photocatalyst regeneration. Background technique [0002] The existing light guide plates, light guide columns or reflectors for decoration and sterilization have the following disadvantages and deficiencies: low light guide and reflection efficiency, insufficient brightness, uneven brightness of the light guide plate, and light reflection intensity decays rapidly with distance from the light source. Therefore, the decorative effect is poor. When this light guide plate is used for ultraviolet light sterilization or photocatalyst regeneration and activation, because of its low light guide efficiency and fast attenuation, the sterilization or photocatalyst regeneration effect is also poor. [0003] The purpose of the present invention is to overcome the above s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F21V7/00G02B5/02
Inventor 谷东照丁大伟王建平
Owner HAIER GRP CORP
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