FABRICATING METHOD OF AN ORGANIC ELECTROLUMINESCENT DEVICE HAVING SOLAR CELLS

• US 20060264143A1
• Filed: 07/28/2006
• Published: 11/23/2006
• Est. Priority Date: 12/08/2003
• Status: Abandoned Application

• Current Assignee: RITDISPLAY CORPORATION
• Original Assignee: RITDISPLAY CORPORATION
• Inventors: Lee, Jiun-Haw, Lee, Chih-Chien, Chuang, Ting-Wei, Hu, Peir-Jy
• Application Number:
  US11/460,634
• Publication Number:
  US 20060264143A1
• Time in Patent Office: Days
• US Class Current: 445/24
• CPC Class Codes: H01L 31/00 Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof H10K30/00 takes precedence; devices consisting of a plurality of solid state components formed in, or on, a common substrate, other than combinations of radiation-sensitive components with one or more electric light sources, H01L27/00
• CPC Class Codes: H10K 39/00 Integrated devices, or assemblies of multiple devices, comprising at least one organic radiation-sensitive element covered by group H10K30/00
• CPC Class Codes: H10K 59/60 OLEDs integrated with inorganic light-sensitive elements, e.g. with inorganic solar cells or inorganic photodiodes
• CPC Class Codes: H10K 65/00 Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element and at least one organic radiation-sensitive element, e.g. organic opto-couplers organic image sensors integrated with organic light-emitting devices H10K39/34; OLED displays integrated with photosensors H10K59/13

Abstract

An organic electroluminescent device having solar cells and a fabricating method therefor are disclosed. The device comprises a transparent substrate; an organic electroluminescent device on the transparent substrate; and at least one solar cells on the transparent substrate. Besides, the device further comprises a driving unit coupled to the organic electroluminescent device; a transform unit coupled to the solar cells; and a control unit coupled to the driving unit and the transform unit.

Claims

1. A method of fabricating an organic electroluminescent device having solar cells, comprising:

providing a transparent substrate having an electroluminescent area and an exposure area;

forming an organic electroluminescent device within the electroluminescent area of the transparent substrate and at least one solar cell within the exposure area of the transparent substrate;

coupling the organic electroluminescent device to a driving unit;

coupling the solar cell to a transform unit; and

coupling the driving unit and the transform unit to a control unit.

2. The method of fabricating an organic electroluminescent device having solar cells of claim 1, wherein the method of forming the organic electroluminescent device and the solar cell on the transparent substrate comprises:

forming a patterned transparent anode and a patterned transparent cathode on the transparent substrate;

forming an organic electroluminescent layer on the transparent anode and an electroluminescent layer on the transparent cathode; and

forming a metal cathode on the organic electroluminescent layer and a metal anode on the electroluminescent layer.

3. The method of fabricating an organic electroluminescent device having solar cells of claim 2, wherein the transparent anode comprises indium-tin oxide or indium-zinc oxide.

4. The method of fabricating an organic electroluminescent device having solar cells of claim 2, wherein the transparent cathode comprises indium-tin oxide or indium-zinc oxide.

5. The method of fabricating an organic electroluminescent device having solar cells of claim 2, wherein the electroluminescent layer comprises an organic material or an inorganic material.

6. The method of fabricating an organic electroluminescent device having solar cells of claim 2, the method of forming the organic electroluminescent layer comprises:

forming a hole injection layer on the transparent anode;

forming a hole transporting layer on the hole injection layer;

forming a light-emitting layer on the hole transporting layer;

forming an electron transporting layer on the light-emitting layer; and

forming an electron injection layer on the electron transporting layer.

7. The method of fabricating an organic electroluminescent device having solar cells of claim 2, wherein the electroluminescent layer comprises an organic electroluminescent material or an inorganic electroluminescent material.

8. The method of fabricating an organic electroluminescent device having solar cells of claim 2, wherein the metal cathode comprises aluminum, aluminum/lithium fluorine, calcium, magnesium/silver alloy or silver.

9. The method of fabricating an organic electroluminescent device having solar cells of claim 2, wherein the metal anode comprises aluminum, aluminum/lithium fluorine, calcium, magnesium/silver alloy or silver.