Electroluminescence display device

An electroluminescence display device comprising a substrate provided with:

• a display pixel region having an electroluminescence element including an emissive layer between an anode and a cathode, and first and second thin film transistors for driving said electroluminescence element;
• and
• a drive circuit region having a peripheral drive circuit that is integrated on said substrate, said drive circuit region having third thin film transistors for driving said first and second thin film transistors;
• wherein
• said cathode is disposed in said display pixel region and is absent from said drive circuit region.

An emissive display device comprising:

• a display pixel region disposed on a substrate and having an emissive element including an emissive layer between first and second electrodes;
• and
• a drive circuit region having a peripheral drive circuit that is integrated on said substrate, said drive circuit region having thin film transistors for driving said emissive element;
• wherein
• said first electrode overlaps the entire display pixel region and is absent from at least said drive circuit region, said first electrode is a common cathode, and said second electrode is a discrete anode.

An electroluminescence display device comprising a substrate provided with:

• a display pixel region having an electroluminescence element including an emissive layer between an anode and a cathode, and first and second thin film transistors for driving said electroluminescence element, said cathode is formed in a layer extending above a layer in which said anode is formed;
• and
• a drive circuit region having a peripheral drive circuit that is integrated on said substrate, said drive circuit region having third thin film transistors for driving said first and second thin film transistors;
• wherein
• is disposed in said display pixel region and is absent from said drive circuit region.

An electroluminescence display device comprising:

• a display pixel region disposed on a substrate and having an electroluminescence element including an emissive layer between first and second electrodes;
• and
• a drive circuit region having vertical and horizontal drive circuits that are located in a peripheral drive circuit region formed surrounding said display pixel region and are integrated on said substrate, said drive circuit region having thin film transistors for driving said electroluminescence element;
• wherein
• said first electrode entirely overlaps said display pixel region and is absent from at least said drive circuit region,
• said first electrode is a common cathode, comprises an opaque metal material, and constitutes an uppermost layer of said electroluminescence element, and
• said second electrode is a discrete anode.

An electroluminescence display device comprising a substrate provided with:

• a display pixel region having an electroluminescence element including an emissive layer between an anode and a cathode, and first and second thin film transistors for driving said electroluminescence element;
• and
• a drive circuit region having vertical and horizontal drive circuits that are located in a peripheral drive circuit region formed surrounding said display pixel region and are integrated on said substrate, said drive circuit region having third thin film transistors for driving said first and second thin film transistors,
• wherein said cathode is disposed in said display pixel region and is absent from said drive circuit region,
• said cathode comprises an opaque metal material and constitutes an uppermost layer of said electroluminescence element.

An emissive display device comprising:

• a display pixel region disposed on a substrate and having an emissive element including an emissive layer between first and second electrodes;
• and
• a drive circuit having vertical and horizontal drive circuits that are located in a peripheral drive circuit region formed surrounding said display pixel region and are integrated on said substrate, said drive circuit region having thin film transistors for driving said emissive element;
• wherein said first electrode overlaps the entire display pixel region and is absent from at least said drive circuit region, said first electrode is a common cathode, and said second electrode is a discrete anode,
• said cathode comprises an opaque metal material and constitutes an uppermost layer of said electroluminescence element.

An electroluminescence display device comprising a substrate provided with:

• a display pixel region having an electroluminescence element including an emissive layer between an anode and a cathode, and first and second thin film transistors for driving said electroluminescence element, said cathode is formed in a layer extending above a layer in which said anode is formed;
• and
• a drive circuit region having vertical and horizontal drive circuits that are located in a peripheral drive circuit region formed surrounding said display pixel region and are integrated on said substrate, said drive circuit region having third thin film transistors for driving said first and second thin film transistors,
• wherein said cathode is disposed in said display pixel region and is absent from said drive circuit region, and
• said cathode comprises an opaque metal material and constitutes an uppermost layer of said electroluminescence element.

An emissive display device comprising:

• a display pixel region disposed on a substrate and having an emissive element including an emissive layer between first and second electrodes;
• and
• a drive circuit region disposed on the same substrate surrounding said display pixel region, said drive circuit region having thin film transistors for driving said emissive element;
• wherein said first electrode overlaps the entire display pixel region and is absent from at least said drive circuit region, said first electrode is a common cathode, and said second electrode is a discrete anode, and
• said cathode includes an end portion that extends to an area between said display pixel region and said drive circuit region.