Organic electroluminescent display panel and method of manufacturing the same
AssigneeTohoku Pioneer Corporation
InventorsIsamu Ohshita, Ryuji Murayama
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Abstract
A method of manufacturing an organic electroluminescent display panel includes the steps of: forming first electrodes on the substrate; forming organic layers by deposition; forming different light emitting layers for different luminous colors in desired areas; and forming second electrodes; wherein the organic layers are formed by an angle deposition method which performs deposition at more than a predetermined angle to the normal of the substrate.
Claims40
A method of manufacturing an organic electroluminescent display panel having light emitting portions in a plurality of luminous colors formed on a substrate, said method comprising the steps of:
- forming first electrodes on the substrate;
- forming organic layers by deposition;
- forming different light emitting layers for different luminous colors in desired areas;
- and
- forming second electrodes;
- wherein in said organic layer forming step, the organic layers are formed by an angle deposition method.
A method of manufacturing an organic electroluminescent display panel having light emitting portions in a plurality of luminous colors formed on a substrate, said method comprising the steps of:
- forming first electrodes on the substrate;
- simultaneously forming same first organic layers common to all the luminous colors in light emitting areas by deposition;
- forming different second organic layers for different luminous colors in desired areas by deposition;
- forming different light emitting layers for different luminous colors in desired areas;
- and
- forming second electrodes;
- wherein the first organic layers are formed by an angle deposition method and the second organic layers are deposited at a deposition angle smaller than that of the angle deposition method.
An organic electroluminescent displaypanel having light emitting portions in a plurality of luminous colors formed on a substrate, said display panel comprising:
- first electrodes formed on the substrate;
- organic layers formed by deposition;
- light emitting layers formed in desired areas according to the luminous colors;
- and
- second electrodes;
- wherein the organic layers are formed by an angle deposition method.
An organic electroluminescent displaypanel having light emitting portions in a plurality of luminous colors formed on a substrate, said display panel comprising:
- first electrodes formed on the substrate;
- first organic layers formed in light emitting areas at one time by deposition;
- second organic layers formed in desired areas and being different among different luminous colors;
- light emitting layers formed in desired areas according to the luminous colors;
- and
- second electrodes;
- wherein the first organic layers are formed by an angle deposition method and the second organic layers are deposited at a deposition angle smaller than that of the angle deposition method.
A method of manufacturing an organic electroluminescent display panel having light emitting portions in a plurality of luminous colors formed on a substrate, said method comprising the steps of:
- forming first electrodes on the substrate;
- forming organic layers in associated light emitting areas, the organic layers having different thicknesses for different luminous colors;
- forming different light emitting layers for different luminous colors in the associated light emitting areas;
- and
- forming second electrodes.
A method of manufacturing an organic electroluminescent display panel having light emitting portions in a plurality of luminous colors formed on a substrate, said method comprising:
- forming first electrodes on the substrate;
- forming organic layers in associated light emitting areas on the substrate on which the first electrodes were formed, the organic layers having different thicknesses for different luminous colors;
- forming different light emitting layers for different luminous colors in the associated light emitting areas after performing the first organic layer forming step;
- and
- forming second electrodes after performing the light emitting layer forming step.
Themethodaccordingtoclaim28, wherein the second organic layer forming step includes a step of forming organic layers of equal thicknesses for all the luminous colors at one time and a step of forming organic layers of different thicknesses for different luminous colors.
An organic electroluminescent display panel having light emitting portions in a plurality of luminous colors formed on a substrate;
- said display panel comprising:
- first electrodes formed on the substrate;
- first organic layers having different thicknesses for different luminous colors in associated light emitting areas on the substrate on which the first electrodes were formed;
- light emitting layers formed on the first organic layers on the light emitting areas corresponding to the different luminous colors;
- and
- second electrodes formed on the light emitting layers.
Dependencies are inferred from the claim text.