# US 10,312,300 B2 · Organic light emitting display device

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- Number: US 10,312,300 B2
- Document ID: US10312300B2
- Status: Granted
- Kind: B2
- Application number: 15/797,961
- Filed: 2017-10-30
- Published: 2018-05-03
- Granted: 2019-06-04
- Earliest claimed: 2016-10-31
- Assignees: LG Display Co., Ltd.
- Applicants: LG Display Co., Ltd.
- Inventors: Bong-Ki Choi
- Web page: https://patentgrep.com/patent/US10312300B2

## CPC

- H10K 59/40: OLEDs integrated with touch screens
- C09J 163/00: Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
- G06F 3/0412: {Digitisers structurally integrated in a display}
- H10K 59/131: Interconnections, e.g. wiring lines or terminals
- H10K 77/111: {Flexible substrates}
- H10K 85/111: {comprising aromatic, heteroaromatic, or aryl chains, e.g. polyaniline, polyphenylene or polyphenylene vinylene}
- C09J 2203/326: for bonding electronic components such as wafers, chips or semiconductors
- C09J 2463/00: Presence of epoxy resin
- G06F 2203/04102: Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper
- G06F 2203/04103: Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
- H10K 59/1201: {Manufacture or treatment}
- H10K 71/80: using temporary substrates
- H10K 71/851: {Division of substrate}
- H10K 2102/311: {Flexible OLED}
- Y02E 10/549: Organic PV cells
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES
- C09J: ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES (preparation of glue or gelatine C09H)
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

## Abstract

Disclosed is an organic light emitting display device provided in view of scattering of base materials and lowering of reliability during cutting, when the base materials are formed on both glass substrates and then the glass substrates are removed so as to achieve slimming and flexibility of the device. The organic light emitting display device includes an anisotropic pattern in a dead area of a base material, wherein the dead area of the base material has regions that protrude from an active area by differing amounts.

## Claims

### Claim 1

An organic light emitting display device comprising:
a first base material including a first active area and a first dead area located outside the first active area, and including an array pad electrode part and touch assistant pad electrode parts in the first dead area at a periphery of a first side of the first active area;
an array on the first active area of the first base material;
a second base material overlapping the first active area and the first dead area except for the array pad electrode part, the second base material having a second active area and a second dead area located outside the second active area;
a touch electrode array facing the array and touch electrode parts corresponding to the touch assistant pad electrode parts, the touch electrode array being on the second base material;
an adhesive layer between the array and the touch electrode array;
an anisotropic conductive film between the touch assistant pad electrode parts and the touch electrode parts; and
an anisotropic pattern in the second dead area of the second base material adjacent to the array pad electrode part,
wherein the anisotropic pattern is spaced apart from the anisotropic conductive film, wherein: a first region of the second dead area of the second base material with the touch electrode parts protrudes from a boundary of the second active area by a first width; and a second region of the second dead area of the second base material without the touch electrode parts protrudes from the boundary of the second active area by a second width smaller than the first width, and wherein the anisotropic pattern is located within the second width from the boundary.

### Claim 2 (depends on 1)

The organic light emitting display device according to claim 1, further comprising a dummy anisotropic pattern opposite to the anisotropic pattern and located in the second dead area.

### Claim 3 (depends on 1)

The organic light emitting display device according to claim 1, wherein the anisotropic conductive film and the anisotropic pattern include the same epoxy resin.

### Claim 4 (depends on 1)

The organic light emitting display device according to claim 1, wherein the anisotropic conductive film, the adhesive layer, and the anisotropic pattern are provided on a surface of the second base material.

### Claim 5 (depends on 3)

The organic light emitting display device according to claim 3, wherein a viscosity of the anisotropic pattern is 10 or more times a viscosity of the adhesive layer.

### Claim 6 (depends on 1)

The organic light emitting display device according to claim 1, wherein the anisotropic pattern and the anisotropic conductive film have a greater thickness than that of the adhesive layer.

### Claim 7 (depends on 1)

The organic light emitting display device according to claim 1, wherein a spreadability of the adhesive layer is blocked by the anisotropic pattern and the dummy anisotropic pattern located at an edge of the second base material.

### Claim 8 (depends on 7)

The organic light emitting display device according to claim 7, wherein the adhesive layer contacts the anisotropic pattern or the dummy anisotropic pattern.

### Claim 9

An organic light emitting display device comprising:
a first base material including an array pad electrode part, touch assistant pad electrode parts, and an array; a second base material overlapping the first base material, and having an active area and a dead area located outside the active area;
a touch electrode array and touch electrode parts on the second base material;
an adhesive layer between the array and the touch electrode array;
an anisotropic conductive film between the touch assistant pad electrode parts of the first base material and the touch electrode parts of the second base material; and
an anisotropic pattern in the dead area of the second base material,
wherein the dead area of the second base material has regions that protrude from the active area by differing amounts,
wherein: a first region among the regions of the dead area of the second base material with the touch electrode parts protrudes from a boundary of the active area by a first width; and a second region among the regions of the dead area of the second base material without the touch electrode parts protrudes from the boundary of the active area by a second width smaller than the first width, and wherein the anisotropic pattern is located within the second width from the boundary.

### Claim 10 (depends on 9)

The organic light emitting display device according to claim 9, further comprising a dummy anisotropic pattern opposite to the anisotropic pattern and located in the dead area.

### Claim 11 (depends on 10)

The organic light emitting display device according to claim 10, wherein the adhesive layer contacts the anisotropic pattern or the dummy anisotropic pattern.

### Claim 12 (depends on 9)

The organic light emitting display device according to claim 9, wherein the anisotropic conductive film and the anisotropic pattern include the same epoxy resin.

### Claim 13 (depends on 9)

The organic light emitting display device according to claim 9, wherein the anisotropic conductive film, the adhesive layer, and the anisotropic pattern are provided on a surface of the second base material.

### Claim 14 (depends on 9)

The organic light emitting display device according to claim 9, wherein a viscosity of the anisotropic pattern is 10 or more times a viscosity of the adhesive layer.

### Claim 15 (depends on 9)

The organic light emitting display device according to claim 9, wherein the anisotropic pattern and the anisotropic conductive film have a greater thickness than that of the adhesive layer.
