CN212226946U

CN212226946U - Optical diffusion lens

Info

Publication number: CN212226946U
Application number: CN202020386360.0U
Authority: CN
Inventors: 张腾飞; 蔡敬佩; 张朝伟
Original assignee: Nanyang Kanglida Optical Instrument Co ltd
Current assignee: Nanyang Kanglida Optical Instrument Co ltd
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2020-12-25
Anticipated expiration: 2030-03-24

Abstract

The utility model discloses an optical diffusion lens, which comprises an optical glass lens substrate and an antifouling waterproof layer, wherein the two sides of the optical glass lens substrate are connected with an explosion-proof film layer through bonding layers, the outer part of the explosion-proof film layer on one side is plated with the antifouling waterproof layer, the outer part of the explosion-proof film layer on the other side is plated with an anti-reflection film layer and a diffusion gain film, the outer part of the diffusion gain film is linked with a resin lens substrate layer, the surface of the resin lens substrate layer is provided with a diffusion gain structure layer, the bonding layers adopt PVB films with the thickness of 0.001-0.003 mu m, the optical diffusion lens can effectively improve the whole diffusion effect through the arrangement of the diffusion gain structure layer and the diffusion gain film, and the arrangement of the explosion-proof film layers on the two sides of the optical glass lens substrate can effectively improve the physical performance of the optical glass lens substrate, so that the whole surface is not easy to be stained.

Description

Optical diffusion lens

Technical Field

The utility model relates to a lens technical field specifically is an optical diffusion lens.

Background

The diffusion lens is widely applied to the fields of flat lamps, television backlights and the like. The diffusion lens is used for uniformly diffusing light of an LED plane light source and improving the irradiation range of a lamp, so that the diffusion lens is a key device in the fields of illumination light sources and the like, and although a plurality of types of lenses exist in the market at present, the diffusion lenses have the problems of unsatisfactory diffusion effect and fragile lenses, so that the optical diffusion lens is researched by our company.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide an optics diffusion lens, can improve holistic diffusion effect, the lens is not fragile moreover, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an optics diffusion lens, includes optical glass lens substrate and antifouling waterproof layer, the both sides of optical glass lens substrate all are connected with explosion-proof membrane layer through the tie coat, and the explosion-proof membrane layer outside of one side plates antifouling waterproof layer, and the explosion-proof membrane layer outside of opposite side plates anti-reflection membrane layer and diffusion gain membrane, the outside link of diffusion gain membrane has the resin lens substrate layer, diffusion gain structure layer has been seted up on the face of resin lens substrate layer.

As an optimized technical scheme of the utility model, the tie coat adopts thickness to be 0.001 ~ 0.003 mu m's PVB membrane, explosion-proof rete comprises safe basic unit, polyester layer, indium tin oxide layer, wearing layer, ultraviolet barrier layer.

As an optimized technical scheme of the utility model, antifouling waterproof layer is the spraying formation of liquid glass spraying.

As an optimized technical proposal of the utility model, the anti-reflection film layer is composed of calcium fluoride, and the diffusion gain film is composed of organic nanometer micro-pearl dispersing agent.

As an optimal technical scheme of the utility model, the diffusion gain structure layer comprises evenly distributed's ball-type shrinkage pool, and the spherical curvature radius of ball-type shrinkage pool is R =30 ~ 80 μm.

Compared with the prior art, the beneficial effects of the utility model are that: this optical diffusion lens through the setting of diffusion gain structural layer and diffusion gain membrane, can effectual improvement holistic diffusion effect, and in the setting of the explosion-proof rete in optical glass lens substrate both sides, can effectual improvement optical glass lens substrate's physical properties, moreover the setting of antifouling waterproof layer for holistic surface is difficult for adhering to the spot.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1 optical glass lens substrate, 2 bonding layers, 3 explosion-proof film layers, 4 antifouling waterproof layers, 5 antireflection film layers, 6 diffusion gain films, 7 resin lens substrate layers and 8 diffusion gain structure layers.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: the utility model provides an optical diffusion lens, including optical glass lens substrate 1 and antifouling waterproof layer 4, optical glass lens substrate 1's both sides all are connected with explosion-proof membrane layer 3 through tie coat 2, fix explosion-proof membrane layer 3 through tie coat 2, the fastness of bonding has been guaranteed, can effectually prevent 3 separation of explosion-proof membrane layer, and 3 outside antifouling waterproof layers 4 of plating of explosion-proof membrane layer of one side, 3 outside plating of explosion-proof membrane layer of opposite side have anti-reflection membrane layer 5 and diffusion gain membrane 6, the outside of diffusion gain membrane 6 is linked there is resin lens substrate layer 7, diffusion gain structure layer 8 has been seted up on the face of resin lens substrate layer 7, diffusion gain membrane 6 makes whole have good diffusion performance with the setting up of diffusion gain structure layer 8, setting up of resin lens substrate layer 7 has reduced the processing degree of difficulty of resin lens substrate layer 7.

Preferably: tie coat 2 adopts the PVB membrane that thickness is 0.001 ~ 0.003 mu m, and explosion-proof rete 3 comprises safe basic unit, polyester layer, indium tin oxide layer, wearing layer, ultraviolet barrier layer, has not only guaranteed explosion-proof performance from this, also makes whole good wear-resisting, anti ultraviolet function of having in addition.

Preferably: the antifouling waterproof layer 4 is formed by spraying liquid glass, and the liquid glass has multiple functions of water resistance, dust prevention, bacteria prevention, ventilation, heat resistance, acid resistance, ultraviolet resistance and the like, is easy to use and does not produce any environmental sequelae. It can be directly sprayed on the surface of any object by only adding a small amount of water or alcohol into the solution.

Preferably: the anti-reflection film layer 5 is composed of calcium fluoride, the diffusion gain film 6 is composed of organic nanometer pearlescent diffusant, the organic nanometer pearlescent diffusant is mainly acrylic type, styrene type, acrylic resin type and the like, the resins are transparent or semitransparent, most of light can pass through, and by utilizing the difference between the refractive index of the materials of the light diffusant and the refractive index of the base material, the light passing through the base material is bright and soft after being refracted for many times, the influence on the light transmittance of the materials is small, and the light diffusion gain film is a good choice for optical materials such as lamp tube lampshades and the like.

Preferably: the diffusion gain structure layer 8 is composed of uniformly distributed spherical concave holes, the spherical curvature radius of the spherical concave holes is R = 50-80 μm, and when the spherical curvature radius is R = 50-80 μm, the smaller the aperture of the spherical concave holes is, the better the diffusion performance is; the manufacturing of the spherical concave hole array diffusion sheet can manufacture micro lens array templates with different depth-width ratios and different duty ratios, and the micro lens array diffusion sheet can be formed by copying through an ultraviolet glue exposure and imprinting technology.

When in use: firstly, coating bonding layers 2 on two sides of an optical glass lens substrate 1, then coating an explosion-proof film layer 3, then coating an antifouling waterproof layer 4 on the explosion-proof film layer 3 on one side, coating an anti-reflection film layer 5 and a diffusion gain film 6 on the explosion-proof film layer 3 on the other side, firstly processing a diffusion gain structure layer 8 on a resin lens substrate layer 7, and finally coating the resin lens substrate layer 7 on the diffusion gain film 6.

The utility model discloses: through the setting of diffusion gain structural layer and diffusion gain membrane, can effectual improvement holistic diffusion effect, and in the setting of the explosion-proof rete in optical glass lens substrate both sides, can effectual improvement optical glass lens substrate's physical properties, moreover antifouling waterproof layer's setting for holistic surface is difficult for adhering to the spot.

Claims

1. An optical diffusion lens, comprising an optical glass lens substrate (1) and an antifouling and waterproof layer (4), characterized in that: the both sides of optical glass lens substrate (1) all are connected with explosion-proof membrane layer (3) through tie coat (2), and explosion-proof membrane layer (3) outside of one side plate antifouling waterproof layer (4), and explosion-proof membrane layer (3) outside of opposite side plate anti-reflection membrane layer (5) and diffusion gain membrane (6), the outside link joint of diffusion gain membrane (6) has resin lens substrate layer (7), diffusion gain structural layer (8) have been seted up on the face of resin lens substrate layer (7).

2. An optical diffuser lens as recited in claim 1, wherein: the bonding layer (2) is a PVB film with the thickness of 0.001-0.003 mu m, and the explosion-proof film layer (3) is composed of a safety base layer, a polyester layer, an indium tin oxide layer, an abrasion-resistant layer and an ultraviolet blocking layer.

3. An optical diffuser lens as recited in claim 1, wherein: the anti-fouling waterproof layer (4) is formed by spraying liquid glass.

4. An optical diffuser lens as recited in claim 1, wherein: the anti-reflection film layer (5) is composed of calcium fluoride, and the diffusion gain film (6) is composed of an organic nano-pearlescent diffusant.

5. An optical diffuser lens as recited in claim 1, wherein: the diffusion gain structure layer (8) is composed of uniformly distributed spherical concave holes, and the spherical curvature radius of the spherical concave holes is R = 30-80 μm.