Organic electroluminescence device and display device

An electroluminescence device comprising the following constitutions:

• a substrate,
• an anode formed on the substrate,
• an organic light emitting layer formed on the anode and
• a cathode formed on an organic light emitting layer, in which
• the anode contains a metal belonging to the group V or group VI of the periodical table to at least a portion in contact with the organic light emission device.

An electroluminescence device comprising:

• scanning lines for selecting pixels,
• data lines provided with luminance information for driving pixels,
• a first transistor connected at a control terminal with the scanning lines,
• a second transistor connected at a control terminal with the first transistor, and
• a light emitting device connected with the second transistor in which
• the light emitting device at least has an organic light emitting layer, a first electrode providing holes to the organic light emitting layer and a second electrode providing electrons to the organic light emitting layer, and
• the first electrode contains a metal belonging to the group V or group VI of the periodical table to at least a portion in contact with the organic light emitting layer.

An active matrix type electroluminescence device comprising:

• scanning lines for selecting pixels,
• data lines provided with luminance information for driving the pixels,
• a first transistor connected at a control terminal with the scanning lines,
• a second transistor connected at a control terminal with the first transistor, and
• a light emitting device connected with the second transistor in which
• the light emitting device at least has an organic light emitting layer, a first electrode providing holes to the organic light emitting layer and a second electrode providing electrons to the organic light emitting layer, and
• the first electrode contains a metal belonging to the group V or group VI of the periodical table to at least a portion in contact with the organic light emitting layer.

A display device comprising:

• scanning lines for selecting pixels, and
• data lines disposed substantially vertically relative to the scanning lines and provided with luminance information for driving the pixels in which
• the pixel at least comprises an organic electroluminescence device having an anode containing a metal belonging to the group V or group VI of the periodical table to a portion in contact with the organic light emitting layer, and a cathode disposed at a position opposing to the anode, a first active element controlled by the scanning lines and having a function of intaking luminance information provided from the data lines and a second active element having a function of controlling the current supplied to the organic electroluminescence device in accordance with the intaken luminance information,
• the luminance information is taken into the pixels by applying electric signals in accordance with the luminance information to the data lines in a state where the data lines are selected, the luminance information taken in the pixel is maintained to the pixel even after the scanning line becomes no more selected, and the organic electroluminescence device maintains light emission at a luminance according to the luminance information.

A method of manufacturing an electroluminescence device comprising the following steps:

• a step of forming a first electrode having a metal belonging to the group V or group VI of the periodical table on a substrate,
• a step of fabricating a first electrode,
• a step of forming an insulative film on the first electrode,
• a step of forming an opening in the insulative film and exposing the metal,
• a step of forming an organic light emitting layer so as to be in contact with the metal through the opening and
• a step of forming a second electrode on the organic light emitting layer.

A method of manufacturing an electroluminescence device comprising the following steps:

• a step of forming a gate electrode on a substrate,
• a step of forming a gate insulative film on the gate electrode,
• a step of forming a semiconductor layer on the gate insulative film,
• a step of forming an insulative film on the semiconductor layer,
• a step of forming a first electrode having a metal belonging to the group V or group VI of the periodical table on the insulative film,
• a step of forming an organic light emitting layer so as to be in contact with the metal and
• a step of forming a second electrode on the organic light emitting layer.