Electroluminescence light emitting display system

• US 20040041519A1
• Filed: 08/11/2003
• Published: 03/04/2004
• Est. Priority Date: 08/30/2002
• Status: Abandoned Application

• Current Assignee: TOMY Company Limited
• Original Assignee: TOMY Company Limited
• Inventors: Yamanaka, Hiroyuki, Watanabe, Kimitaka
• Application Number:
  US10/637,590
• Publication Number:
  US 20040041519A1
• Time in Patent Office: Days
• US Class Current: 313/506
• CPC Class Codes: H05B 33/20 characterised by the chemical or physical composition or the arrangement of the material in which the electroluminescent material is embedded
• CPC Class Codes: H05B 33/22 characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers
• CPC Class Codes: H05B 33/26 characterised by the composition or arrangement of the conductive material used as an electrode
• CPC Class Codes: H10K 50/805 Electrodes
• CPC Class Codes: H10K 59/10 OLED displays

Abstract

An electroluminescence light emitting display system has: an electroluminescence light emitting sheet which has: an electrode section having an electrode pair including first and second electrodes which are electrically separated from each other with a spacing region, and an electroluminescence light-emitting layer provided above a front surface side of the electrode section; and a voltage application unit for applying a predetermined voltage between the first and second electrodes of the electrode pair, wherein the electroluminescence light-emitting layer with a predetermined shape corresponding to a desired chart for light-emitting is placed on a front surface side of the electrode section, and an electrically conductive material is placed on a front surface side of the electroluminescence light-emitting layer, to allow a portion of the electroluminescence light-emitting layer which is overlapped with the electrically conductive material, emitting light by applying the predetermined voltage to the electrode section by the voltage application unit.

Claims

1. An electroluminescence light emitting display system comprising:

an electroluminescence light emitting sheet which comprises;

an electrode section comprising an electrode pair including first and second electrodes which are electrically separated from each other with a spacing region, and an electroluminescence light-emitting layer provided above a front surface side of the electrode section; and

a voltage application unit for applying a predetermined voltage between the first and the second electrodes of the electrode pair,

wherein the electroluminescence light-emitting layer with a predetermined shape corresponding to a desired chart for light-emitting is placed on a front surface side of the electrode section, and an electrically conductive material is placed on a front surface side of the electroluminescence light-emitting layer, to allow a portion of the electroluminescence light-emitting layer which is overlapped with the electrically conductive material, emitting light by applying the predetermined voltage to the electrode section by the voltage application unit.

2. The electroluminescence light emitting display system as claimed in claim 1, wherein the electroluminescence light-emitting layer and the electrically conductive material are formed as a body sheet, which is placed on a front surface of the electrode section.

3. An electroluminescence light emitting display system comprising:

an electrode section which comprises an electrode pair including first and second electrodes which are electrically separated from each other with a spacing region;

a first electroluminescence light-emitting layer which has a predetermined shape and is provided on a front surface of the electrode section;

an electrically conductive material layer which has a predetermined shape and is placed on a front surface of the first electroluminescence light-emitting layer, at least a portion of the electrically conductive material layer being overlapped with the first electroluminescence light-emitting layer; and

a voltage application unit for applying a predetermined voltage between the first and the second electrodes of the electrode pair,

wherein a portion of the first electroluminescence light-emitting layer, which is overlapped with the electrically conductive material layer, emits light by applying the predetermined voltage to the electrode section by the voltage application unit.

4. The electroluminescence light emitting display system as claimed in claim 3, wherein the first electroluminescence light-emitting layer and the electrically conductive material layer are formed as a body sheet.

5. The electroluminescence light emitting display system as claimed in claim 3, wherein the electrically conductive material layer comprises any one of ITO, ATO, electrically conductive coating material, and electrically conductive ink.

6. The electroluminescence light emitting display system as claimed in claim 3, wherein the first electroluminescence light-emitting layer is placed on the front surface of the electrode section by coating or printing.

7. The electroluminescence light emitting display system as claimed in claim 3, the first electroluminescence light-emitting layer is provided on the front surface of the electrode section through a waterproof layer.

8. An electroluminescence light emitting display system comprising:

an electrode section which comprises an electrode pair including first and second electrodes which are electrically separated from each other with a spacing region;

a first electroluminescence light-emitting layer, which has a predetermined shape and is provided in a first region on a front surface of the electrode section;

an electrically conductive material layer which has a predetermined shape and is placed on a front surface of the first electroluminescence light-emitting layer, at least a portion of the electrically conductive material layer being overlapped with the first electroluminescence light-emitting layer;

a second electroluminescence light-emitting layer which is provided in a second region on a front surface of the electrode section; and

a voltage application unit for applying a predetermined voltage between the first and the second electrodes of the electrode pair,

wherein a portion of the first electroluminescence light-emitting layer, which is overlapped with the electrically conductive material layer, emits light, and a portion of the second electroluminescence light-emitting layer on which an electrically conductive material is placed emits light, by applying the predetermined voltage to the electrode section by the voltage application unit.

9. The electroluminescence light emitting display system as claimed in claim 8, wherein the first EL light-emitting layer and the electrically conductive material layer are formed as a body sheet.

10. The electroluminescence light emitting display system as claimed in claim 8, wherein the electrically conductive material layer comprises any one of ITO, ATO, electrically conductive coating material, and electrically conductive ink.

11. The electroluminescence light emitting display system as claimed in claim 8, wherein the first electroluminescence light-emitting layer is placed on the front surface of the electrode section by coating or printing.

12. The electroluminescence light emitting display system as claimed in claim 8, the second electroluminescence light-emitting layer is provided in the second region on the front surface of the electrode section through a waterproof layer.

13. The electroluminescence light emitting display system as claimed in claim 8, wherein a top coat layer is provided on the front surface of the second electroluminescence light-emitting.