GB2328557A - Organic light emitting doide colour display - Google Patents

Organic light emitting doide colour display

Info

Publication number
GB2328557A
GB2328557A GB9822131A GB9822131A GB2328557A GB 2328557 A GB2328557 A GB 2328557A GB 9822131 A GB9822131 A GB 9822131A GB 9822131 A GB9822131 A GB 9822131A GB 2328557 A GB2328557 A GB 2328557A
Authority
GB
United Kingdom
Prior art keywords
colour
light emitting
organic light
colour display
susceptible
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GB9822131A
Other versions
GB9822131D0 (en
Inventor
Paul May
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cambridge Display Technology Ltd
Original Assignee
Cambridge Display Technology Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GBGB9607437.2A external-priority patent/GB9607437D0/en
Priority claimed from GBGB9702662.9A external-priority patent/GB9702662D0/en
Application filed by Cambridge Display Technology Ltd filed Critical Cambridge Display Technology Ltd
Priority to GB9822131A priority Critical patent/GB2328557A/en
Priority claimed from PCT/GB1997/000995 external-priority patent/WO1997038445A1/en
Publication of GB9822131D0 publication Critical patent/GB9822131D0/en
Publication of GB2328557A publication Critical patent/GB2328557A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/30—Devices specially adapted for multicolour light emission
    • H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
    • H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electroluminescent Light Sources (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

A multi-colour electroluminescent display has a plurality of discrete, laterally spaced areas of light emitting material formed over respective groups of first and second electrode regions. The light emissive material over each group is capable of emitting radiation of a different colour. The multi-coloured device is formed by a sequence of steps where each emitting layer is deposited as a precursor which is susceptible to patterning and which is then converted into its polymer which is not susceptible to subsequent patterning steps. This allows a second colour to be deposited on top of a first colour, the second colour being patterned while avoiding damage to the first colour below it.
GB9822131A 1996-04-10 1997-04-10 Organic light emitting doide colour display Withdrawn GB2328557A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9822131A GB2328557A (en) 1996-04-10 1997-04-10 Organic light emitting doide colour display

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GBGB9607437.2A GB9607437D0 (en) 1996-04-10 1996-04-10 Organic light emitting diode colour display
GBGB9702662.9A GB9702662D0 (en) 1997-02-10 1997-02-10 Organic light emitting diode colour display
PCT/GB1997/000995 WO1997038445A1 (en) 1996-04-10 1997-04-10 Organic light emitting diode colour display
GB9822131A GB2328557A (en) 1996-04-10 1997-04-10 Organic light emitting doide colour display

Publications (2)

Publication Number Publication Date
GB9822131D0 GB9822131D0 (en) 1998-12-02
GB2328557A true GB2328557A (en) 1999-02-24

Family

ID=27268233

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9822131A Withdrawn GB2328557A (en) 1996-04-10 1997-04-10 Organic light emitting doide colour display

Country Status (1)

Country Link
GB (1) GB2328557A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992003491A1 (en) * 1990-08-24 1992-03-05 Cambridge Research And Innovation Limited Patterning of semiconductive polymers
WO1995006400A1 (en) * 1993-08-26 1995-03-02 Cambridge Display Technology Limited Electroluminescent devices
US5424560A (en) * 1994-05-31 1995-06-13 Motorola, Inc. Integrated multicolor organic led array
EP0734078A2 (en) * 1995-03-22 1996-09-25 Motorola, Inc. Full color organic light emitting diode array

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992003491A1 (en) * 1990-08-24 1992-03-05 Cambridge Research And Innovation Limited Patterning of semiconductive polymers
WO1995006400A1 (en) * 1993-08-26 1995-03-02 Cambridge Display Technology Limited Electroluminescent devices
US5424560A (en) * 1994-05-31 1995-06-13 Motorola, Inc. Integrated multicolor organic led array
EP0734078A2 (en) * 1995-03-22 1996-09-25 Motorola, Inc. Full color organic light emitting diode array

Also Published As

Publication number Publication date
GB9822131D0 (en) 1998-12-02

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)