ORGANIC LIGHT EMITTING DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF

• US 20110080372A1
• Filed: 09/30/2010
• Published: 04/07/2011
• Est. Priority Date: 10/06/2009
• Status: Abandoned Application

• Current Assignee: LG Display Co., Ltd.
• Original Assignee: LG Display Co., Ltd.
• Inventors: Seo, Sangwoo, Lee, Jaedo
• Application Number:
  US12/895,220
• Publication Number:
  US 20110080372A1
• Time in Patent Office: Days
• US Class Current: 345/174
• CPC Class Codes: G06F 3/045 using resistive elements, e.g. a single continuous surface or two parallel surfaces put in contact
• CPC Class Codes: Y02E 10/549 Organic PV cells
• CPC Class Codes: Y02P 70/50 Manufacturing or production processes characterised by the final manufactured product

Abstract

An organic light emitting display device comprises: a display panel disposed between first and second substrates and comprising subpixels; a touch screen panel disposed on a display surface of the display panel; a sensing unit for sensing a position by a change in the resistance of the touch screen panel; and a polarizing plate disposed on the touch screen panel, wherein the touch screen panel comprises first transparent electrodes formed on one surface of the second substrate, spacers formed on the first transparent electrodes, a glass substrate attached to the second substrate, and second transparent electrodes disposed on one surface of the glass substrate so as to face the first transparent electrodes.

Claims

1. An organic light emitting display device comprising:

a display panel disposed between first and second substrates and comprising subpixels;

a touch screen panel disposed on a display surface of the display panel;

a sensing unit that senses a position by a change in the resistance of the touch screen panel; and

a polarizing plate disposed on the touch screen panel,

wherein the touch screen panel comprises first transparent electrodes on one surface of the second substrate, spacers on the first transparent electrodes, a glass substrate attached to the second substrate, and second transparent electrodes disposed on one surface of the glass substrate so as to face the first transparent electrodes.

2. The organic light emitting display device of claim 1, wherein the polarizing plate comprises:

a phase difference delay film disposed on the touch screen panel; and

a polarizing film disposed on the phase difference delay film.

3. The organic light emitting display device of claim 2, wherein the phase difference delay film has an optical axis having a phase difference of λ

/4 with respect to incident light.

4. The organic light emitting display device of claim 1, wherein the first transparent electrodes and the second transparent electrodes are patterned to be divided into a plurality of parts so as to cross each other, and the first transparent electrodes and the second transparent electrodes are connected to the sensing unit through different lines.

5. An organic light emitting display device comprising:

a display panel disposed between first and second substrates and comprising subpixels;

a touch screen panel disposed on a display surface of the display panel;

a sensing unit that senses a position by a change in the resistance of the touch screen panel; and

a polarizing plate disposed on the touch screen panel,

wherein the touch screen panel comprises a first glass substrate disposed on the first substrate, first transparent electrodes on one surface of the first glass substrate, spacers on the first transparent electrodes, a second glass substrate attached to the first glass substrate, and second transparent electrodes disposed on one surface of the second glass substrate so as to face the first transparent electrodes.

6. The organic light emitting display device of claim 5, wherein the polarizing plate comprises:

a phase difference delay film disposed on the touch screen panel; and

a polarizing film disposed on the phase difference delay film.

7. The organic light emitting display device of claim 6, wherein the phase difference delay film has an optical axis having a phase difference of λ

/4 with respect to incident light.

8. The organic light emitting display device of claim 5, wherein the first transparent electrodes and the second transparent electrodes are patterned to be divided into a plurality of parts so as to cross each other, and the first transparent electrodes and the second transparent electrodes are connected to the sensing unit through different lines.

9. The organic light emitting display device of claim 5, wherein the touch screen panel is attached to the first substrate of the display panel by at least one of a double-side tape and an optical adhesive.

10. A manufacturing method of an organic light emitting display device comprising:

forming a transistor part on one surface of a first substrate and forming an organic light emitting diode on the transistor part;

forming first transparent electrodes on one surface of a second substrate;

preparing a display panel by attaching together one surface of the first substrate and the other surface of the second substrate;

forming spacers on the first transparent electrodes disposed on the second substrate;

forming second transparent electrodes crossing the first transparent electrodes on one surface of a glass substrate;

attaching a polarizing plate to the other surface of the glass substrate; and

attaching together the second substrate and the glass substrate.

11. The method of claim 10, wherein the polarizing plate comprises:

a phase difference delay film disposed on the touch screen panel; and

a polarizing film disposed on the phase difference delay film.

12. The method of claim 11, wherein the phase difference delay film has an optical axis having a phase difference of λ

/4 with respect to incident light.

13. The method of claim 10, wherein the first transparent electrodes and the second transparent electrodes are patterned to be divided into a plurality of parts so as to cross each other, and the first transparent electrodes and the second transparent electrodes are connected to the sensing unit through different lines.

14. A manufacturing method of an organic light emitting display device comprising:

forming a transistor part on one surface of a first substrate and forming an organic light emitting diode on the transistor part;

attaching a first glass substrate to one surface of a second substrate and forming first transparent electrodes on the first glass substrate;

preparing a display panel by attaching together one surface of the first substrate and the other surface of the second substrate;

forming spacers on the first transparent electrodes disposed on the first glass substrate;

forming second transparent electrodes crossing the first transparent electrodes on one surface of a second glass substrate;

attaching a polarizing plate to the other surface of the second glass substrate; and

attaching together one surface of the first glass substrate and one surface of the second glass substrate.

15. The method of claim 14, wherein the polarizing plate comprises:

a phase difference delay film disposed on the touch screen panel; and

a polarizing film disposed on the phase difference delay film.

16. The method of claim 15, wherein the phase difference delay film has an optical axis having a phase difference of λ

/4 with respect to incident light.

17. The method of claim 14, wherein the first glass substrate is attached to one surface of the second substrate by at least one of a double-side tape and an optical adhesive.

18. The method of claim 14, wherein the first transparent electrodes and the second transparent electrodes are patterned to be divided into a plurality of parts so as to cross each other, and the first transparent electrodes and the second transparent electrodes are connected to the sensing unit through different lines.