Organic electroluminescence type display apparatus

A display device and luminescent technology, applied in the direction of electroluminescent light source, electric light source, measuring device, etc., can solve the problems of high light reflectivity, unobtainable, difficult metal, etc., achieve high reflection efficiency and improve injection efficiency
CN1825622AInactive Publication Date: 2006-08-30MITSUBISHI ELECTRIC CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
MITSUBISHI ELECTRIC CORP
Publication Date
2006-08-30
Estimated Expiration
Not applicable · inactive patent

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Abstract

An organic electroluminescence type display apparatus of top emission type, in which a thin film transistor (TFT), a flattening film (15) made of organic resin and an organic EL element, in which at least an anode (16), an electroluminescence layer (18) and a cathode (19) are laminated on the flattening film in this order, are formed in each picture element in a display region on a substrate. The anode is composed of at least two layer film including an aluminium alloy film (16a) containing as a impurity at least one of transition metals of the eighth group of 3d into Al and including a light transmitting conductive oxide film (16b) laminated on the Al alloy film.
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Description

technical field

[0001] The present invention relates to an electro-optic display device, and in particular to an organic electroluminescence (EL) element (hereinafter referred to as an organic EL element) formed as an electro-optic element in a pixel region on an active matrix substrate on which TFTs are formed. Luminescent display device. Background technique

[0002] In recent years, an organic electroluminescent display device using a luminous body such as an organic EL element as an electro-optic element is generally used as one of display screens.

[0003] The basic structure of an organic EL element adopts a structure in which an electroluminescent layer including an organic EL layer is sandwiched between an anode electrode (also called an anode) and a cathode electrode (also called a cathode). By applying a voltage between the anode and the cathode, the The organic EL layer emits light by injecting holes from the anode side and injecting electrons from the cathode si...

Claims

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