CN211031561U

CN211031561U - ITO refractive index matching substrate

Info

Publication number: CN211031561U
Application number: CN201920931543.3U
Authority: CN
Inventors: 华建军; 湛克宇
Original assignee: Huizhou Tianyu Technology Co ltd
Current assignee: Huizhou Tianyu Technology Co ltd
Priority date: 2019-06-20
Filing date: 2019-06-20
Publication date: 2020-07-17
Anticipated expiration: 2029-06-20

Abstract

The utility model relates to a ITO refractive index matching substrate, the substrate includes by lower supreme sclerosis layer, first refractive index matching layer, substrate layer, second refractive index matching layer and the third refractive index matching layer that sets gradually, cloth is equallyd divide to first refractive index matching layer, second refractive index matching layer and third refractive index matching layer has the metallic oxide particle, the density of the metallic oxide particle on first refractive index matching layer, second refractive index matching layer and third refractive index matching layer increases in proper order. The utility model discloses a bulk refractive index of the density adjustment substrate of metal oxide particle realizes the refractive index matching with current ITO membrane, improves the optical effect of ITO membrane.

Description

ITO refractive index matching substrate

Technical Field

The utility model relates to an blooming field particularly, relates to a ITO refracting index matches substrate.

Background

The ITO conductive film is a high-technology product obtained by sputtering a transparent Indium Tin Oxide (ITO) conductive film coating on a transparent organic film material by adopting a magnetron sputtering method and carrying out high-temperature annealing treatment; the conductive film is divided into three categories of ITO conductive glass, ITO conductive film and non-ITO conductive film; the non-ITO conductive film belongs to the emerging industry in flexible display, and has a good market prospect.

The ITO layer is coated on the surface of the PET substrate in different coating modes, namely ITO FI L M, when the ITO layer is used for a detection electrode of a touch screen, different patterns need to be etched in the production process of the ITO layer, such as diamond patterns, the ITO needs to be etched by an acidic solution in the area outside the diamond patterns, therefore, the etched patterns cannot be identified by naked eyes and are an important performance for producing the ITO FI L M, however, the refractive index of the ITO is about 2.1, the refractive index of a common PET hardened layer is about 1.52, and the refractive index difference of the common PET hardened layer and the ITO FI L M is large, so that the etched patterns can be identified by the.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ITO refracting index matches substrate can match with the refracting index of current ITO membrane, improves the optical effect of ITO membrane.

The utility model provides a ITO refractive index matching substrate, the substrate includes by lower supreme sclerosis layer, first refractive index matching layer, substrate layer, second refractive index matching layer and the third refractive index matching layer that sets gradually, cloth is equallyd divide to first refractive index matching layer, second refractive index matching layer and third refractive index matching layer has the metallic oxide particle, the density of the metallic oxide particle of first refractive index matching layer, second refractive index matching layer and third refractive index matching layer increases in proper order.

Further, the metal oxide particles are one or more of zirconium dioxide, aluminum oxide, zinc oxide and antimony oxide.

Further, the first index matching layer has a refractive index ranging from 1.4 to 1.5.

Further, the second index matching layer has a refractive index ranging from 1.5 to 1.6.

Further, the third index matching layer has an index of refraction in a range from 1.7 to 1.75.

Further, the refractive index of the hardened layer ranges from 1.5 to 1.6.

Further, the substrate layer is a PET material layer.

Further, the hardening layer is an acrylic layer.

Compared with the prior art, the beneficial effects of the utility model are that: the metal oxide particles are arranged in the first refractive index matching layer, the second refractive index matching layer and the third refractive index matching layer, the refractive index of each matching layer is adjusted by adjusting the density of the metal oxide, and the difficulty and the cost of adjusting the refractive index are reduced while the performance of products is ensured. The densities of the metal oxide particles of the first refractive index matching layer, the second refractive index matching layer and the third refractive index matching layer are sequentially increased, so that the refractive index difference value between the ITO area and the substrate area is reduced, and the purpose that the etched pattern cannot be recognized by naked eyes is achieved.

Drawings

Fig. 1 is a schematic structural diagram of the ITO refractive index matching substrate of the present invention.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

As shown in fig. 1, in a preferred embodiment, the ITO refractive index matching substrate of the present invention mainly includes a hardened layer 1, a first refractive index matching layer 2, a substrate layer 3, a second refractive index matching layer 4, and a third refractive index matching layer 5, which are sequentially arranged from bottom to top. Wherein, sclerosis layer 1 adopts ya keli material to make for improve the flexibility of substrate, substrate layer 3 adopts the PET material.

The first, second, and third

index matching layers

2, 4, and 5 are all distributed with metal oxide particles 6, and the densities of the metal oxide particles 6 of the first, second, and third

index matching layers

2, 4, and 5 are sequentially increased. The density of the metal oxide microparticles 6 can change the refractive index of each index matching layer, thereby adjusting the overall refractive index of the substrate. Specifically, the refractive index of the first index matching layer 2 ranges from 1.4 to 1.5, the refractive index of the second index matching layer 4 ranges from 1.5 to 1.6, and the refractive index of the third index matching layer 5 ranges from 1.7 to 1.75.

In order to make the refractive index of the substrate closer to that of the ITO layer, the refractive index of the hardened layer 1 is preferably in the range of 1.5 to 1.6.

In this embodiment, the metal oxide particles 6 may be one or more of zirconium dioxide, aluminum oxide, zinc oxide, and antimony oxide.

While the invention has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the spirit and scope of the appended claims.

Claims

1. The utility model provides a ITO refractive index matching substrate, its characterized in that, the substrate includes by lower supreme sclerosis layer, first refractive index matching layer, substrate layer, second refractive index matching layer and the third refractive index matching layer that sets gradually, first refractive index matching layer, second refractive index matching layer and third refractive index matching layer are equallyd divide and are distributed metallic oxide particle, the density of the metallic oxide particle of first refractive index matching layer, second refractive index matching layer and third refractive index matching layer increases in proper order, the refractive index scope of first refractive index matching layer is 1.4-1.5, the refractive index scope of second refractive index matching layer is 1.5-1.6, the refractive index scope of third refractive index matching layer is 1.7-1.75.

2. The ITO index matching substrate of claim 1, wherein the hardened layer has an index of refraction in the range of 1.5-1.6.

3. The ITO index-matching substrate of claim 1, wherein the substrate layer is a layer of PET material.

4. The ITO index matching substrate of claim 1, wherein the stiffening layer is an acrylic layer.