# US 2020/0288592 A1 · Decorative sheet and electronic device cover plate

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- Number: US 2020/0288592 A1
- Document ID: US20200288592A1
- Status: Published application
- Kind: A1
- Application number: 16/880,523
- Filed: 2020-05-21
- Published: 2020-09-10
- Earliest claimed: 2017-11-24
- Assignees: Shine Optoelectronics (Kunshan) Co., Ltd.
- Applicants: Shine Optoelectronics (Kunshan) Co., Ltd.
- Inventors: Yulong Gao
- Web page: https://patentgrep.com/patent/US20200288592A1

## CPC

- B44C 1/10: Applying flat materials, e.g. leaflets, pieces of fabrics (paperhanging B44C7/00)
- H05K 5/0243: {for decorative purposes}
- B32B 7/12: using interposed adhesives or interposed materials with bonding properties
- B32B 17/10: of synthetic resin
- B32B 27/08: of synthetic resin
- B32B 27/308: {comprising acrylic (co)polymers}
- B32B 27/36: comprising polyesters
- B32B 27/365: {comprising polycarbonates}
- B44C 5/0407: {containing glass elements}
- H04M 1/0283: {for providing a decorative aspect, e.g. customization of casings, exchangeable faceplate}
- H05K 5/03: Covers
- B32B 2250/02: 2 layers
- B32B 2250/24: All layers being polymeric
- B32B 2255/10: on synthetic resin layer or on natural or synthetic rubber layer
- B32B 2255/20: Inorganic coating
- B32B 2270/00: Resin or rubber layer containing a blend of at least two different polymers
- B32B 2307/40: having particular optical properties
- B32B 2307/402: Coloured
- B32B 2307/406: Bright, glossy, shiny surface
- B32B 2451/00: Decorative or ornamental articles
- H04M 1/0266: {for a display module assembly}
- B44C: PRODUCING DECORATIVE EFFECTS (processes for applying liquids or other fluent materials to surfaces, in general B05D; shaping of plastics or substances in a plastic state B29C; printing processes to produce transfer pictures B41M3/12; thermographic duplication or marking methods B41M5/00); MOSAICS; TARSIA WORK (imitation of mosaic or tarsia work patterns B44F11/04); PAPERHANGING {(labels G09F; multi-step processes for making paper labels or tags B31D1/02)}
- H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08)

## Abstract

Disclosed is a decorative sheet, comprising: a supporting body (20), the supporting body (20) including a first surface and a second surface opposite to the first surface; a solid film (10), the solid film (10) located on the first surface of the supporting body (20), wherein the solid film (10) has a thickness of no more than 1 μm. In addition, an electronic device cover plate comprising the decorative sheet is also disclosed.

## Claims

### Claim 1

A decorative sheet, wherein comprising:
a supporting body including a first surface and a second surface opposite to the first surface;
a solid state thin film located on the first surface of the supporting body, wherein the solid film has a thickness of no more than 1 μm.

### Claim 2 (depends on 1)

The decorative sheet according to claim 1, wherein a material of the solid film is one or more of an elementary substance, a metal oxide, a non-metal oxide or an organic material.

### Claim 3 (depends on 1)

The decorative sheet according to claim 1, wherein a bonding layer is provided between the supporting body and the solid film.

### Claim 4 (depends on 1)

The decorative sheet according to claim 1, wherein the supporting body is one or a combination of two or more of PET, PMMA, PC, a heat-curing adhesive, a light-curing adhesive, organic glass or inorganic glass.

### Claim 5

An electronic device cover plate, wherein comprising:
a housing including a user plane and an inner surface opposite to the user plane;
a bonding layer located on the inner surface of the housing;
a solid film located on a side of the bonding layer away from the housing;
a coloring layer located on a side of the solid film away from the bonding layer.

### Claim 6 (depends on 5)

The electronic device cover plate according to claim 5, wherein the solid film has a thickness of no more than 0.8 μm.

### Claim 7 (depends on 5)

The electronic device cover plate according to claim 5, wherein the housing is made of inorganic glass, a composite plate or organic glass.

### Claim 8

An electronic device cover plate, wherein comprising:
a housing including a user plane and an inner surface opposite to the user plane;
a decorative sheet including a supporting body and a solid film, the supporting body including a first surface and a second surface opposite to the first surface, the solid film located on the first surface of the supporting body;
a bonding layer located between the housing and the decorative sheet, the solid film in the decorative sheet facing towards the bonding layer.

### Claim 9 (depends on 8)

The electronic device cover plate according to claim 8, wherein the housing is made of inorganic glass, a composite plate or organic glass.

### Claim 10 (depends on 8)

The electronic device cover plate according to claim 8, wherein the cover plate is also provided with a coloring layer, the cover plate being located on the second surface of the supporting body; and/or
the coloring layer being located between the supporting body and the solid film.