# US 2009/0267486 A1 · Organic light emitting display device

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- Number: US 2009/0267486 A1
- Document ID: US20090267486A1
- Status: Published application
- Kind: A1
- Application number: 12/328,463
- Filed: 2008-12-04
- Published: 2009-10-29
- Earliest claimed: 2008-04-25
- Assignees: Samsung Electronics Co., Ltd.
- Inventors: Jung-Yeon Kim; Sang-Woo Lee; Jung-Soo Rhee
- Web page: https://patentgrep.com/patent/US20090267486A1

## CPC

- H10K 59/876: {comprising a resonant cavity structure, e.g. Bragg reflector pair}
- H10K 59/80517: {Multilayers, e.g. transparent multilayers}
- H10K 59/12: Active-matrix OLED [AMOLED] displays
- H10K 59/879: {comprising refractive means, e.g. lenses}
- Y02E 10/549: Organic PV cells
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

## Abstract

An organic light emitting display device according to one or more embodiments is provided. An organic light emitting display device according to an exemplary embodiment of the present invention includes a reinforcement member disposed on a substrate and having a refractive index of greater than about 2.1, a transflective electrode disposed on the reinforcement member and contacting the reinforcement member, a pixel electrode disposed on the transflective electrode and contacting the transflective electrode, an organic light emitting member disposed on the pixel electrode, and a common electrode disposed on the organic light emitting member.

## Claims

### Claim 1

An organic light emitting display device comprising:
a reinforcement member disposed on a substrate and comprising a refractive index of greater than about 2.1;
a transflective electrode disposed on the reinforcement member and contacting the reinforcement member;
a pixel electrode disposed on the transflective electrode and contacting the transflective electrode;
an organic light emitting member disposed on the pixel electrode; and
a common electrode disposed on the organic light emitting member.

### Claim 2 (depends on 1)

The organic light emitting display device of claim 1, wherein the refractive index of the reinforcement member is equal to or greater than about 3.

### Claim 3 (depends on 2)

The organic light emitting display device of claim 2, wherein the reinforcement member comprises an inorganic material.

### Claim 4 (depends on 3)

The organic light emitting display device of claim 3, wherein the reinforcement member comprises a metal-silicon compound.

### Claim 5 (depends on 4)

The organic light emitting display device of claim 4, wherein the reinforcement member comprises at least one of IrxSiy, VSi, or ZrSi.

### Claim 6 (depends on 5)

The organic light emitting display device of claim 5, wherein the thickness of the reinforcement member is in a range of about 50 Å to about 1,000 Å.

### Claim 7 (depends on 5)

The organic light emitting display device of claim 5, wherein the transflective electrode comprises Al or Ag.

### Claim 8 (depends on 7)

The organic light emitting display device of claim 7, wherein the transflective electrode has a thickness in a range of about 150 Å to about 200 Å.

### Claim 9 (depends on 7)

The organic light emitting display device of claim 7, wherein the pixel electrode comprises ITO or IZO.

### Claim 10 (depends on 1)

The organic light emitting display device of claim 1, wherein the reinforcement member comprises an inorganic material.

### Claim 11 (depends on 10)

The organic light emitting display device of claim 10, wherein the reinforcement member comprises a metal-silicon compound.

### Claim 12 (depends on 11)

The organic light emitting display device of claim 11, wherein the reinforcement member comprises at least one of IrxSiy, VSi, or ZrSi.

### Claim 13 (depends on 12)

The organic light emitting display device of claim 12, wherein the reinforcement member has a thickness in a range of about 50 Å to about 1,000 Å.

### Claim 14 (depends on 1)

The organic light emitting display device of claim 1, wherein the reinforcement member comprises an inorganic material having a refractive index greater than a refractive index of IZO.

### Claim 15

An organic light emitting display device comprising:
a reinforcement member disposed on a substrate and including a silicon compound;
a transflective electrode disposed on the reinforcement member and contacting the reinforcement member;
a pixel electrode disposed on the transflective electrode and contacting the transflective electrode;
an organic light emitting member disposed on the pixel electrode; and
a common electrode disposed on the organic light emitting member.

### Claim 16 (depends on 15)

The organic light emitting display device of claim 15, wherein the reinforcement member comprises a metal-silicon compound.

### Claim 17 (depends on 16)

The organic light emitting display device of claim 16, wherein the reinforcement member comprises at least one of IrxSiy, VSi, or ZrSi.

### Claim 18 (depends on 17)

The organic light emitting display device of claim 17, wherein the reinforcement member has a thickness in a range of about 50 Å to about 1,000 Å.

### Claim 19 (depends on 15)

The organic light emitting display device of claim 15, wherein the refractive index of the reinforcement member is equal to or greater than about 2.1.

### Claim 20 (depends on 15)

The organic light emitting display device of claim 15, wherein the transflective electrode comprises Al or Ag.

### Claim 21 (depends on 20)

The organic light emitting display device of claim 20, wherein the transflective electrode has a thickness in a range of about 150 Å to about 200 Å.

### Claim 22 (depends on 21)

The organic light emitting display device of claim 21, wherein the pixel electrode comprises ITO or IZO.

### Claim 23

An organic light emitting display device comprising:
a transflective electrode disposed on a substrate;
a pixel electrode disposed on the transflective electrode and contacting the transflective electrode;
an organic light emitting member disposed on the pixel electrode;
a common electrode disposed on the organic light emitting member; and
a reinforcement member disposed between the substrate and the transflective electrode and having a refractive index greater than a refractive index of the pixel electrode.

### Claim 24 (depends on 23)

The organic light emitting display device of claim 23, wherein the pixel electrode comprises ITO or IZO.

### Claim 25 (depends on 24)

The organic light emitting display device of claim 24, wherein the refractive index of the pixel electrode is about 1.7.