# US 10,372,275 B2 · Interactive high-clarity glass electronic whiteboard

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- Number: US 10,372,275 B2
- Document ID: US10372275B2
- Status: Granted
- Kind: B2
- Application number: 15/262,012
- Filed: 2016-09-12
- Published: 2017-06-15
- Granted: 2019-08-06
- Earliest claimed: 2015-11-20
- Applicants: Opton (Shunchang) Optics Co., LTD.
- Inventors: Zhang Lu; Qiming Yu; Jicai Zu
- Web page: https://patentgrep.com/patent/US10372275B2

## CPC

- B43L 1/00: Repeatedly-usable boards or tablets for writing or drawing (drawing-boards B43L5/00)
- B32B 3/08: characterised by added members at particular parts {(layer formed of separate pieces of material which are juxtaposed side-by-side B32B3/14, B32B3/18)}
- B32B 3/12: characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
- B32B 5/02: characterised by structural features of a {fibrous or filamentary} layer {(layer formed of metallic wires B32B15/02; layer formed of natural mineral fibres B32B19/02; layer formed of wood fibres B32B21/02)}
- B32B 7/04: Interconnection of layers
- B32B 9/005: {comprising one layer of ceramic material, e.g. porcelain, ceramic tile (layered products with at least two ceramic layers composed mainly of ceramic B32B18/00)}
- B32B 15/043: {of metal (B32B15/01 takes precedence)}
- B32B 15/08: of synthetic resin
- B32B 15/20: comprising aluminium or copper {(B32B15/016 and B32B15/017 take precedence)}
- B32B 17/00: Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B 17/061: {of metal}
- B32B 17/067: {of fibres or filaments}
- B32B 17/10: of synthetic resin
- B32B 27/06: as the main or only constituent of a layer, {which is} next to another layer of {the same or of} a {different material (next to a layer of a particular substance B32B9/045; next to a bituminous or tarry layer B32B11/046; next to a water setting substance layer B32B13/12; next to a metal layer B32B15/08; next to a glass layer B32B17/10; next to a layer formed of natural mineral fibres or particles B32B19/045; next to a wood layer B32B21/08; next to a cellulosic plastic layer B32B23/08; next to a natural or synthetic rubber layer B32B25/08)}
- B43L 1/002: {chemical details}
- B43L 1/06: rigid
- G06F 3/0445: {using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer}
- G06F 3/0446: {using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes}
- B32B 2250/05: 5 or more layers
- B32B 2255/00: Coating on the layer surface
- B32B 2307/40: having particular optical properties
- B32B 2307/4023: on the layer surface, e.g. ink
- B32B 2307/408: Matt, dull surface
- B32B 2307/41: Opaque
- B32B 2307/412: Transparent
- B32B 2307/50: having particular mechanical properties
- B32B 2307/536: Hardness
- B32B 2307/584: Scratch resistance
- B32B 2307/732: Dimensional properties
- B32B 2307/75: Printability
- B32B 2311/24: Aluminium
- B32B 2457/208: Touch screens
- G06F 2203/04103: Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
- B43L: ARTICLES FOR WRITING OR DRAWING UPON; {WRITING OR DRAWING AIDS;} ACCESSORIES FOR WRITING OR DRAWING (workshop equipment for marking-out work B25H7/00; teaching hand-writing or drawing G09B11/00)
- B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)

## Abstract

An interactive high-clarity glass electronic whiteboard having a writing board body; the writing board body includes a base board and an ultra-thin tempered glass. The front of the base board attaches with the ultra-thin tempered glass. The attaching surface of the ultra-thin tempered glass attaching the base board is adhered with a non-transparent interlayer. A non-transparent coating is adhered to an attaching surface of the ultra-thin tempered glass attaching the base board A writing surface of the ultra-thin tempered glass is a matte surface with anti-glare treatment.

## Claims

### Claim 1

An interactive high-clarity glass electronic whiteboard, comprising:
a writing board body, wherein the writing board body comprises a base board, an ultra-thin tempered glass having an attaching surface, and a touch sensing module;
a first side of the base board attached to the touch sensing module;
an ink layer printed on the attaching surface of the ultra-thin tempered glass, the ink layer comprising a non-transparent interlayer;
the ultra-thin tempered glass further comprising a writing surface of the interactive high-clarity glass electronic whiteboard, the writing surface opposite of the attaching surface, and the writing surface of the ultra-thin tempered glass comprising a matte surface having an anti-glare treatment;
wherein the non-transparent interlayer is a film having a color chosen from a list of white or beige, the film attached to the ultra-thin tempered glass and the attaching surface;
wherein the film has a surface which is a matte surface with an anti-glare treatment; and
wherein the base board comprises an aluminum honeycomb panel and a surface of the aluminum honeycomb panel is bonded with an aluminum plate and wherein the ultra-thin tempered glass and a green board are attached to the aluminum plate respectively.

### Claim 2 (depends on 1)

The interactive high-clarity glass electronic whiteboard of claim 1, wherein the ultra-thin tempered glass comprises a thickness of 0.3 mm to 2 mm.

### Claim 3 (depends on 1)

The interactive high-clarity glass electronic whiteboard of claim 1, wherein the first side of the base board is adhered to a nontransparent coating layer.

### Claim 4 (depends on 1)

The interactive high-clarity glass electronic whiteboard of claim 1, wherein an infrared sensor module is mounted on a mounting surface of the ultra-thin tempered glass.

### Claim 5 (depends on 1)

The interactive high-clarity glass electronic whiteboard of claim 1, wherein the touch sensing module is adhered between the non-transparent interlayer or a non-transparent coating layer and the base board.

### Claim 6 (depends on 5)

The interactive high-clarity glass electronic whiteboard of claim 5, wherein the touch sensing module is a touch sensing module selected from a list comprising capacitive touch sensing module and inductive touch sensing module.

### Claim 7 (depends on 6)

The interactive high-clarity glass electronic whiteboard of claim 6, wherein the capacitive touch sensing module comprises a transparent plastic film having a front side and a back side, and wherein the front side and the back side of the transparent plastic film further comprise horizontal conductive film lines and vertical conductive film lines respectively.

### Claim 8 (depends on 1)

The interactive high-clarity glass electronic whiteboard of claim 1, wherein a non-transparent coating layer is a white ink layer printed on the attaching surface of the ultra-thin tempered glass attaching the base board.

### Claim 9 (depends on 1)

The interactive high-clarity glass electronic whiteboard of claim 1, further comprising a green board affixed to a back side of the base board.

### Claim 10 (depends on 1)

The interactive high-clarity glass electronic whiteboard of claim 1, wherein the base board comprises a board type chosen from a list of magnesia board, aluminum honeycomb panel, high-density extruded board, and fiber board.

### Claim 11 (depends on 10)

The interactive high-clarity glass electronic whiteboard of claim 10, wherein a side of the aluminum honeycomb panel is bonded to the ultra-thin tempered glass with an aluminum plate.