Display device

A display device in which a thin film transistor is disposed on an insulative substrate, said thin film transistor comprising:

• a first gate electrode;
• a gate insulating film;
• a semiconductor film which is formed on said gate insulating film and which has a channel;
• a insulating film;
• a display electrode connected to a source which is formed in said semiconductor film, said display electrode being elongated so as to extend above said channel of said thin film transistor,
• wherein a second gate electrode formed between said first gate electrode and said display electrode, and wherein said second gate electrode is connected with said first gate electrode;
• a light emitting layer formed on said display electrode, wherein said display electrode is an electrode used in an organic electro luminescent device;
• and
• at least one pixel;
• wherein each pixel comprises the thin film transistor and a second thin film transistor,
• wherein the display electrode is extended above the thin film transistor bat not extended above said second thin film transistor.

A display device in which a thin film transistor is disposed on an insulative substrate, said thin film transistor comprising:

• a first gate electrode;
• a gate insulating film;
• a semiconductor film which is formed on said gate insulating film and which has a channel;
• a insulating film;
• a display electrode connected to a source which is formed in said semiconductor film, said display electrode being elongated so as to extend above said channel of said thin film transistor,
• wherein a second gate electrode formed between said first gate electrode and said display electrode, and wherein said display electrode is an electrode used in an organic electro luminescent device;
• a light emitting layer formed on said display electrode;
• and
• at least one pixel,
• wherein each pixel comprises the thin film transistor and a second thin film transistor,
• wherein the display electrode is extended above the thin film transistor but not extended above said second thin film transistor but not extended above the said second thin film transistor.

A display device comprising:

• an insulative substrate;
• a thin film transistor including ante electrode, a gate insulating film and a channel region;
• a display electrode connected to one of a source region of the thin film transistor and a drain region of the thin film transistor, said display electrode being extended above the channel region of the thin film transistor;
• and electrode provided between the channel region of the thin film transistor and the display electrode,
• wherein the electrode is connected to the gate electrode;
• a light emitting layer formed on said display electrode, wherein said display electrode is an electrode used in an organic electro luminescent device;
• and
• at least one pixel,
• wherein each pixel comprises the thin film transistor and a second thin film transistor,
• wherein the display electrode is extended above the thin film transistor but not extended above said second thin film transistor.

A display device comprising:

• an insulative substrate;
• a thin film transistor including a gate electrode, a gate insulating film and a channel region;
• a display electrode connected to one of a source region of the thin film transistor and a drain region of the thin film transistor, said display electrode being extended above the channel region of the thin film transistor;
• an electrode provided between the channel region of the thin film transistor and the display electrode,
• wherein a gate voltage is applied to the electrode;
• a light emitting layer formed on said display electrode, wherein said display electrode is an electrode used in an organic electro luminescent device;
• and
• at least one pixel,
• wherein each pixel comprises the thin film transistor and a second thin film transistor,
• wherein the display electrode is extended above the thin film transistor but not extended above said second thin film transistor.

A display device comprising:

• an insulative substrate;
• a thin film transistor including a gate electrode, a gate insulating film and a channel region;
• a display electrode connected to one of a source region of the thin film transistor and a drain region of the thin film transistor, said display electrode being extended above the channel region of the thin film transistor;
• an electrode provided between the channel region of the thin film transistor and the display electrode,
• wherein a voltage different from a display electrode voltage is applied to the electrode;
• and
• a light emitting layer formed on said display electrode, wherein said display electrode is an electrode used in an organic electro luminescent device;
• and
• at least one pixel,
• wherein each pixel comprises the thin film transistor and a second tin film transistor,
• wherein to display electrode is extended above the tin film transistor but not extended above said second thin film transistor.