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Color tuning a light-emitting display

A technology of light-emitting display and organic material, which is applied in the field of organic light-emitting color display, and can solve the problems such as the inability of wafer surface

Inactive Publication Date: 2006-12-06
EASTMAN KODAK CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Additionally, wafer surfaces that do not have a predetermined pattern cannot be patterned using this method

Method used

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  • Color tuning a light-emitting display
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  • Color tuning a light-emitting display

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0166] 280ml hyperbaric chamber filled with C545T 0.5mg and AlQ 3 25mg and CO 2 405g. The chamber was then heated at 175 bar 60°C. The mixture was then stirred vigorously to completely dissolve the solid material in the CO 2 middle. The material is completely soluble in compressed CO 2 After that, turn off the mixer. Stabilize the system for 5 minutes.

[0167] Inside the expansion chamber, Substrate A was placed on a ceramic plate at a distance of 4.25" from the 170 micron orifice. A 2" x 2" aluminum mask with a 1" round hole in its center was then placed over Substrate A to Prevents the mask from slipping off during coating. A plastic film is used as a mask to cover the base A of the mask. The expansion chamber was maintained at atmospheric temperature and pressure but was purged with a constant flow of nitrogen. The pinhole valve was then opened and the fluid was allowed to stabilize, which was observed after 30 seconds. The plastic mask was then removed to expose...

Embodiment 2

[0169] The procedure in Example 1 was repeated except that the high pressure chamber was kept at 250 bar and the coating of Substrate A was performed for 5 minutes and 50 seconds. Substrate A thus modified is referred to as Substrate C.

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PUM

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Abstract

An apparatus and method of color tuning a light emitting display are provided. The apparatus includes a source of a mixture of a compressed fluid solvent and an organic material. A discharge device is positioned in fluid communication with the source of the mixture of the compressed fluid and the organic material. A condition controlling device is positioned in fluid communication between the source and the discharge device. The method includes providing a substrate, providing a first addressing electrode on the substrate, controllably depositing an organic nanomorphic material over the first addressing electrode, and providing a second addressing electrode over the organic nanomorphic material.

Description

field of invention [0001] The present invention relates to a light emitting display, and more precisely to an organic light emitting color display. Background of the invention [0002] Organic light emitting display (OLED) devices can be classified as organic small molecule or polymeric based on the properties of the electroluminescent material used to fabricate the device. In a simple model, an OLED device consists of an anode for hole injection, a cathode for electron injection, and an organic medium between these electrodes to support charge recombination of the light emission output. Simple OLED devices can be constructed from layers of electroluminescent organic small molecules or polymers sandwiched between an electron-injecting cathode and a hole-injecting anode. More sophisticated devices utilize electron and hole transport layers between the above electrodes and the electroluminescent layer. [0003] Typically OLED devices comprise a very simple structure consisti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L51/40H01L27/15H10K99/00
CPCH01L51/0005H10K71/135H05B33/10H01L27/15B05C11/00H10K99/00
Inventor S·萨达西文R·贾甘纳坦S·贾甘纳坦D·J·纳尔逊R·梅塔G·C·小欧文T·N·布兰顿R·S·库佩洛
Owner EASTMAN KODAK CO
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