Organic light emitting display device

• US 8,243,034 B2
• Filed: 07/20/2009
• Issued: 08/14/2012
• Est. Priority Date: 11/14/2008
• Status: Active Grant

• Current Assignee: Samsung Display Company Limited (Samsung Electronics Co. Ltd.)
• Original Assignee: Samsung Mobile Display Company Limited (Samsung Electronics Co. Ltd.)
• Inventors: Kim, Eun-Ah
• Primary Examiner(s): OSORIO, RICARDO
• Application Number:
  US12/506,162
• Publication Number:
  US 20100123672A1
• Time in Patent Office: 1,121 Days
• Field of Search: 345/156, 345173-175, 345/82, 445/24
• US Class Current: 345/173
• CPC Class Codes: G06F 3/0412 Digitisers structurally integrated in a display
• CPC Class Codes: G06F 3/045 using resistive elements, e.g. a single continuous surface or two parallel surfaces put in contact

Abstract

An organic light emitting display device includes: a substrate; an organic light emitting unit on the substrate; a sealing substrate sealing the organic light emitting unit; and a touch panel on the sealing substrate, and configured for polarizing light, wherein the touch panel includes a first film on the sealing substrate and a second film spaced from the first film and on the first resistive layer.

Claims

1. An organic light emitting display device comprising:

a substrate;

an organic light emitting unit on the substrate;

a sealing substrate sealing the organic light emitting unit; and

a touch panel on the sealing substrate, and configured for polarizing light,

wherein the touch panel comprises a first film on the sealing substrate and a second film spaced from the first film, the sealing substrate being between the substrate and the first film.

2. The organic light emitting display device of claim 1, wherein the first film comprises a first transparent conductive layer, and the second film comprises a polarizing plate spaced from the first film and a second transparent conductive layer on a side of the polarizing plate facing the first film.

3. The organic light emitting display device of claim 2, wherein the first transparent conductive layer and the second transparent conductive layer each comprise indium tin oxide (ITO).

4. The organic light emitting display device of claim 2, wherein the first transparent conductive layer and the sealing substrate form a lower resistive layer of the touch panel, and the second film forms an upper resistive layer of the touch panel.

5. The organic light emitting display device of claim 1, wherein the first film comprises a transparent insulating layer and a third transparent conductive layer, which are stacked on the sealing substrate, and the second film comprises a polarizing plate, spaced from the third transparent conductive layer, and a fourth transparent conductive layer on a side of the polarizing plate facing the first film.

6. The organic light emitting display device of claim 5, wherein the third transparent conductive layer and the fourth transparent conductive layer each comprise indium tin oxide (ITO).

7. The organic light emitting display device of claim 5, wherein the polarizing plate comprises a retardation film, an adhesive layer, and a linear polarizer, which are stacked on the fourth transparent conductive layer.

8. The organic light emitting display device of claim 5, wherein the third transparent conductive layer and the transparent insulating layer form a lower resistive layer of the touch panel, and the fourth transparent conductive layer and the polarizing plate form an upper resistive layer of the touch panel.

9. The organic light emitting display device of claim 1, wherein the first film comprises a first polarizer and a fifth transparent conductive layer which are sequentially stacked on the sealing substrate, and the second film comprises a second polarizer, spaced from the fifth transparent conductive layer, and a sixth transparent conductive layer on a side of the second polarizer facing the first film.

10. The organic light emitting display device of claim 9, wherein the fifth transparent conductive layer and the sixth transparent conductive layer each comprise indium tin oxide (ITO).

11. The organic light emitting display device of claim 9, wherein the first polarizer comprises a retardation film, and the second polarizer comprises a linear polarizer.

12. The organic light emitting display device of claim 9, wherein the fifth transparent conductive layer and the first polarizer form a lower resistive layer of the touch panel, and the sixth transparent conductive layer and the second polarizer form an upper resistive layer of the touch panel.

13. The organic light emitting display device of claim 1, further comprising a plurality of spacers maintaining an interval between the first film and the second film.

14. The organic light emitting display device of claim 1, wherein the first film comprises a first transparent conductive layer formed directly on the sealing substrate.

15. An organic light emitting display device comprising:

a substrate;

an organic light emitting unit on the substrate;

a sealing substrate sealing the organic light emitting unit; and

a touch panel on the sealing substrate, and configured for polarizing light,

wherein the touch panel comprises a first film on the sealing substrate and a second film spaced from the first film,

wherein the first film comprises a first transparent conductive layer, and the second film comprises a polarizing plate spaced from the first film and a second transparent conductive layer on a side of the polarizing plate facing the first film, and

wherein the polarizing plate comprises a retardation film, an adhesive layer, and a linear polarizer, which are sequentially stacked on the second transparent conductive layer.