CN201850240U

CN201850240U - Fluorescent membrane

Info

Publication number: CN201850240U
Application number: CN2010205535058U
Authority: CN
Inventors: 于英杰
Original assignee: Foxlink Electronics Dongguan Co Ltd; Cheng Uei Precision Industry Co Ltd
Current assignee: Foxlink Electronics Dongguan Co Ltd; Cheng Uei Precision Industry Co Ltd
Priority date: 2010-09-25
Filing date: 2010-09-25
Publication date: 2011-06-01
Anticipated expiration: 2020-09-25

Abstract

The utility model discloses a fluorescent membrane which comprises a fluorescent-excited membrane and a metal reflecting membrane, wherein the fluorescent-excited membrane can shine under the irradiation of ultraviolet; and the metal reflecting membrane is plated on the external surface of the fluorescent-excited membrane so as to be used for reflectiing the ultraviolet. In the utility model, by the reflection of the metal reflecting membrane to the ultraviolet, so that the secondary excitation utilization of the ultraviolet can be obtained; therefore, the irradiation contrast of the fluorescent membrane can be further improved, and simultaneously, the environmental pollution caused by leakage of the ultraviolet can be reduced.

Description

Fluorescent screen

Technical field

The utility model relates to a kind of fluorescent screen, relates in particular to a kind of fluorescent screen that improves luminance contrast.

Background technology

See also Fig. 4, existing a kind of fluorescent screen 200 is to be made of one deck fluorescence excitation film 101, and this fluorescence excitation film 101 is to be made by doping fluorescent powder in the plastic film.

Please continue and consult Fig. 4, during work, work ultraviolet ray 30 is shone in fluorescence excitation film 101, has an effect with the fluorescent material in the fluorescence excitation film 101 and sends fluorescence 50; Work ultraviolet ray 30 is generally high-power ultraviolet ray, but be not all working ultraviolet ray 30 can both be with the fluorescent material effect fluorescence excitation 50, always there is sub-fraction work ultraviolet ray 30 to penetrate fluorescence excitation film 101 and leaks and form the ultraviolet ray 40 that leaks, cause ultraviolet ray waste and environmental pollution.

The utility model content

The purpose of this utility model promptly is at above-mentioned the deficiencies in the prior art, provides a kind of and can reduce ultraviolet ray can improve the tunnelluminescence contrast gradient again to the pollution of environment fluorescent screen.

In order to reach above-mentioned purpose, the utility model fluorescent screen comprises a fluorescence excitation film and a metallic reflective coating, and this fluorescence excitation film can send fluorescence under uviolizing, and the outside surface of fluorescence excitation film is located in this metallic reflective coating plating, in order to uv reflectance.

As mentioned above, the utility model to ultraviolet reflex action, can make ultraviolet ray be used for the fluorescent material secondary excitation by metallic reflective coating, and then improves the luminance contrast of fluorescent screen, can reduce ultraviolet ray simultaneously and leak and contaminate environment.

As further improvement, described metallic reflective coating is to adopt vacuum silver sputter on fluorescence excitation film one surface and make.

The state of described fluorescent screen 100 before using can for, on metallic reflective coating 102, be coated with layer of transparent gum 103, on transparent gum 103, be pasted with one deck separating shaped paper 104.

Description of drawings

Fig. 1 is the structural representation of the utility model fluorescent screen;

Fig. 2 is the work synoptic diagram of the utility model fluorescent screen;

Fig. 3 is preceding a kind of structural representation for the utility model fluorescent screen uses;

Fig. 4 is the work synoptic diagram of existing fluorescent screen.

Each description of reference numerals is as follows among the figure:

Fluorescent screen 100

Fluorescence excitation film 101 metallic reflective coatings 102

Transparent gum 103 separating shaped papers 104

Ultraviolet 30 fluorescence 50 of working

Embodiment

By describing technology contents of the present utility model, structural attitude in detail, realized purpose and effect, give explanation below in conjunction with embodiment and conjunction with figs. are detailed.

See also Fig. 1, the utility model fluorescent screen 100 comprises a fluorescence excitation film 101 and a metallic reflective coating 102, this fluorescence excitation film 101 can send fluorescence 50 under uviolizing, the outside surface of fluorescence excitation film 101 is located in these metallic reflective coating 102 platings, in order to uv reflectance.

This metallic reflective coating 102 is thought at a surface employing vacuum silver sputter of fluorescence excitation film 101 and is made.

See also Fig. 3, the state of described fluorescent screen 100 before using can for, on metallic reflective coating 102, be coated with layer of transparent gum 103, on transparent gum 103, be pasted with one deck separating shaped paper 104.

Please participate in Fig. 2, during work, high-power work ultraviolet ray 30 is from the 101 1 side incidents of fluorescence excitation film, work ultraviolet ray 30 enters fluorescence excitation film 101 and with wherein fluorescent material excitation for the first time takes place, part work ultraviolet ray 30 is projeced into metallic reflective coating 102 and is reflected and the fluorescence excitation film 101 that turns back by metallic reflective coating 102, thereby can participate in fluorescence excitation once more.

As mentioned above, the utility model fluorescent screen 100 can make ultraviolet ray obtain the secondary excitation utilization by 102 pairs of ultraviolet reflex actions of metallic reflective coating, and then improves the luminance contrast of fluorescent screen 100, can reduce ultraviolet ray simultaneously and leak and contaminate environment.

The utility model is not limited to above-mentioned embodiment, those skilled in the art that can make multiple variation in view of the above, can make with other metallic substance or other film coating method as metallic reflective coating 102, these variations all should be covered by in the application's the claim scope.

Claims

1. a fluorescent screen comprises a fluorescence excitation film and a metallic reflective coating, and this fluorescence excitation film can be luminous under uviolizing, it is characterized in that: the fluorescence excitation film outer surface is located in this metallic reflective coating plating, in order to uv reflectance.

2. fluorescent screen as claimed in claim 1 is characterized in that: described metallic reflective coating is for adopting vacuum silver sputter to make on fluorescence excitation film one surface.

3. fluorescent screen as claimed in claim 1 is characterized in that: be coated with the layer of transparent gum on the described metallic reflective coating, be pasted with one deck separating shaped paper on the transparent gum.