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Blue mirror for automobile rearview mirror and preparation method thereof

A technology of automobile rearview mirror and film layer, applied in vehicle parts, ion implantation plating, coating and other directions, can solve the problem of inability to effectively achieve anti-glare and other problems, reduce the interference of strong light on the driver's line of sight, and achieve environmental durability. The effect of improving sexuality and reducing the interference of sight lines

Active Publication Date: 2018-03-06
XINYI PHOTOVOLTAIC IND (ANHUI) HLDG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a blue mirror for automobile rearview mirror and its preparation method, aiming to solve the technical problem that the automobile rearview mirror in the prior art cannot effectively realize anti-glare

Method used

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  • Blue mirror for automobile rearview mirror and preparation method thereof

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preparation example Construction

[0045] Embodiments of the present invention also provide a method for preparing a blue mirror for an automobile rearview mirror, comprising the steps of:

[0046] S1: Obtain the desired hot-bent glass substrate 10, the hot-bend glass substrate 10 includes opposite concave surfaces 11 and convex surfaces 12;

[0047] S2: Coating a first high refractive index film layer 21 on the concave surface 11 of the hot-bending glass substrate 10;

[0048] S3: Coating a first low refractive index film layer 22 on the first high refractive index film layer 21;

[0049] S4: Coating a second high refractive index film layer 23 on the first low refractive index film layer 22;

[0050] S5: Coating a second low refractive index film layer 24 on the second high refractive index film layer 23;

[0051] S6: Plating a metal film layer 25 on the second low refractive index film layer 24 .

[0052] Specifically, the blue mirror for an automobile rearview mirror prepared by the method for preparing ...

Embodiment approach

[0060] 1.85mm plain white float glass is used as the hot-bent glass substrate 10, and a magnetron sputtering coating machine is used. Niobium pentoxide film layer was plated by medium frequency AC magnetron sputtering, Ar gas volume was 200sccm, O 2 The gas volume is 100sccm, and the sputtering pressure is guaranteed to be 2.5×10 -3 , the niobium target used is a twin target, and the niobium pentoxide film is plated on the hot-curved glass substrate 10 by medium-frequency AC magnetron sputtering, and the thickness of the film plated by this process is about 32nm. Subsequently, a 60nm silicon dioxide film layer is plated on the niobium pentoxide film layer, and the preferred Ar gas volume is 200 sccm, O 2 The gas volume control adopts PID control, the control voltage is 380V, and the preferred sputtering gas pressure is 2.5×10 -3 , the target used is a twin target. Then adopt the intermediate frequency AC magnetron sputtering method to plate the niobium pentoxide film layer ...

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Abstract

The invention belongs to the technical field of glass and particularly relates to a blue mirror for an automobile rearview mirror and a preparation method thereof. The blue mirror for the automobile rearview mirror comprises a hot bending glass substrate; the hot bending glass substrate comprises a concave surface and a convex surface which are arranged oppositely; the concave surface is sequentially provided with a first high refractive index film layer, a first low refractive index film layer, a second high refractive index film layer, a second low refractive index film layer and a metal film layer which are used for forming a composite film in a laminated mode; and the convex surface has a blue-green color. The blue mirror for the automobile rearview mirror has the advantages that the convex surface of the hot bending glass substrate is inward, and the film surface of the composite film is inward, so that the blue mirror is improved in the aspect of environmental durability; furthermore, the convex surface has the blue-green color, is soft to light and can effectively reduce the interference of glare to the sight line of a driver so as to achieve the effect of effectively preventing the driver from dazzling; and the hot bending glass substrate has double curvature, so that a wide view effect can be obtained. The blue mirror for the automobile rearview mirror has good functions and has more beautiful appearance.

Description

technical field [0001] The invention belongs to the technical field of glass, and in particular relates to a blue mirror for automobile rearview mirror and a preparation method thereof. Background technique [0002] With the progress of society, the number of car ownership continues to increase, and the problem of driving safety is prominent. On the way of driving, the driver's sight is related to life. Driving at night, the accident caused by the momentary loss of the driver's line of sight caused by the high beam of the car coming from behind has become one of the main accident causes. Therefore, it is necessary to develop a kind of anti-glare automobile rearview mirror, to effectively reduce the traffic accident caused by improper light, and improve the safety of the driving process. Contents of the invention [0003] The object of the present invention is to provide a blue mirror for automobile rearview mirror and its preparation method, aiming at solving the technic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60R1/08C03C17/36C23C14/08C23C14/10C23C14/18C23C14/35
Inventor 董清世李晓东邵世强
Owner XINYI PHOTOVOLTAIC IND (ANHUI) HLDG CO LTD
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