# US 10,500,828 B2 · Method for laminating and aligning an irregular-shape material

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- Number: US 10,500,828 B2
- Document ID: US10500828B2
- Status: Granted
- Kind: B2
- Application number: 15/884,566
- Filed: 2018-01-31
- Published: 2019-06-27
- Granted: 2019-12-10
- Earliest claimed: 2017-12-25
- Assignees: Interface Technology (ChengDu) Co., Ltd.; Interface Optoelectronics (Shenzhen) Co., Ltd.; General Interface Solution Limited
- Applicants: Interface Technology (Chengdu) Co., Ltd.; Interface Optoelectronics (Shenzhen) Co., Ltd.; General Interface Solution Limited
- Inventors: Yun-Pei Chen
- Web page: https://patentgrep.com/patent/US10500828B2

## CPC

- B32B 41/00: Arrangements for controlling or monitoring lamination processes; Safety arrangements
- B32B 38/18: Handling of layers or the laminate
- B32B 17/10954: {by using an aligning laminating device}
- B32B 38/0004: {Cutting, tearing or severing, e.g. bursting; Cutter details (cutting in general B26D; laminating combined with punching or perforating B32B38/04; removing all or part of the layers B32B38/10; cutting in combination with laying up and registration B32B38/185 takes precedence)}
- B32B 2457/208: Touch screens
- G02F 1/133331: {Cover glasses}
- G02F 1/13338: {Input devices, e.g. touch panels}
- G06F 3/041: Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F 2203/04103: Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
- Y10T 156/1062: Prior to assembly
- B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- G02F: OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

## Abstract

A method for laminating and aligning an irregular-shape material is disclosed. Since the existing laminating material has an irregular shape, there is a problem with disabling alignment in a lamination process. Thus, the irregular shape of the laminating material is used to form a straight line correlated with a tangent line to the shape, and the straight line is used as the shape-aligned feature of the laminating material. Besides, the definition of an alignment relationship between the laminating material and a laminated object is established to adjust a lamination tolerance and prevent the laminating material from overhanging over the laminated object, thereby satisfying consumers' aesthetic needs for the appearance of products.

## Claims

### Claim 1

A method for laminating and aligning an irregular-shape material, and the method comprising:
providing an irregular-shape laminating material having an irregular curved shape;
drawing at least one tangent line to an edge of the irregular curved shape;
horizontally moving a position of the at least one tangent line an appointed distance in a horizontal direction of the irregular curved shape, so as to form a parallel line arranged in parallel to the at least one tangent line;
removing a region between the at least one tangent line and the parallel line to form a feature-aligned curved shape and finding a straight line of the feature-aligned curved shape that overlaps the parallel line; and
using the straight line as a shape-aligned feature and defining a length of the straight line as a size of the shape-aligned feature recognized by a lamination machine.

### Claim 2 (depends on 1)

The method for laminating and aligning the irregular-shape material according to claim 1, wherein the method is used for a 2.5D or 3D soft-to-hard (STH) lamination process and a laminated object comprises glass or plastic.

### Claim 3 (depends on 2)

The method for laminating and aligning the irregular-shape material according to claim 2, further comprising a step of a representative equation described as follows to define an inward-shrinking distance E of the irregular-shape laminating material on the laminated object:
E=½√{square root over (X2+Y2+Z2)}
wherein Z is a lamination tolerance of the lamination machine;
X is a shape tolerance of the laminated object; and
Y is a shape tolerance of the irregular-shape laminating material.

### Claim 4 (depends on 1)

The method for laminating and aligning the irregular-shape material according to claim 1, wherein the size of the shape-aligned feature is 200 μm when a charge-coupled device (CCD) alignment is used.

### Claim 5 (depends on 1)

The method for laminating and aligning the irregular-shape material according to claim 1, wherein the size of the shape-aligned feature is 600 μm when a mechanical alignment is used.