Display device
First Claim
1. A display device comprising:
- a transistor over a first substrate;
an inorganic insulating film over the transistor;
an organic insulating film on and in contact with the inorganic insulating film; and
a pixel electrode on and in contact with the inorganic insulating film, the pixel electrode electrically connected to the transistor,wherein the transistor comprises;
a gate electrode over the first substrate;
an oxide semiconductor film over the gate electrode; and
a gate insulating film between the gate electrode and the oxide semiconductor film,wherein an upper surface of the oxide semiconductor film is in contact with the inorganic insulating film,wherein the organic insulating film overlaps with the oxide semiconductor film with the inorganic insulating film provided therebetween, andwherein an end portion of the gate electrode is positioned on an outer side of an end portion of the organic insulating film.
1 Assignment
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Accused Products
Abstract
A display device with excellent display quality is provided. The display device includes a transistor over a first substrate, an inorganic insulating film in contact with the transistor, and an organic insulating film in contact with the inorganic insulating film. The transistor includes a gate electrode over the first substrate, an oxide semiconductor film overlapping with the gate electrode, a gate insulating film in contact with one surface of the oxide semiconductor film, and a pair of electrodes in contact with the oxide semiconductor film. The inorganic insulating film is in contact with the other surface of the oxide semiconductor film. The organic insulating film overlaps with the oxide semiconductor film with the inorganic insulating film provided therebetween and is separated. Note that the thickness of the organic insulating film is preferably greater than or equal to 500 nm and less than or equal to 10 μm.
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Citations
20 Claims
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1. A display device comprising:
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a transistor over a first substrate; an inorganic insulating film over the transistor; an organic insulating film on and in contact with the inorganic insulating film; and a pixel electrode on and in contact with the inorganic insulating film, the pixel electrode electrically connected to the transistor, wherein the transistor comprises; a gate electrode over the first substrate; an oxide semiconductor film over the gate electrode; and a gate insulating film between the gate electrode and the oxide semiconductor film, wherein an upper surface of the oxide semiconductor film is in contact with the inorganic insulating film, wherein the organic insulating film overlaps with the oxide semiconductor film with the inorganic insulating film provided therebetween, and wherein an end portion of the gate electrode is positioned on an outer side of an end portion of the organic insulating film. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A display device comprising:
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a transistor over a first substrate; an inorganic insulating film over the transistor; an organic insulating film on and in contact with the inorganic insulating film; a pixel electrode electrically connected to the transistor; and a capacitor electrically connected to the transistor, wherein the transistor comprises; a gate electrode over the first substrate; an oxide semiconductor film over the gate electrode; and a gate insulating film between the gate electrode and the oxide semiconductor film, wherein an upper surface of the oxide semiconductor film is in contact with the inorganic insulating film, wherein the organic insulating film overlaps with the oxide semiconductor film with the inorganic insulating film provided therebetween, wherein an end portion of the gate electrode is positioned on an outer side of an end portion of the organic insulating film, wherein the capacitor comprises the pixel electrode, the inorganic insulating film and a metal oxide film, wherein the pixel electrode comprises a light-transmitting conductive material and the pixel electrode overlaps with the metal oxide film with the inorganic insulating film provided therebetween, and wherein the metal oxide film contains the same metal element as the oxide semiconductor film and an upper surface of the metal oxide film is in contact with the inorganic insulating film. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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14. A display device comprising:
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a transistor over a first substrate; an inorganic insulating film over the transistor; an organic insulating film on and in contact with the inorganic insulating film; a pixel electrode electrically connected to the transistor; a capacitor electrically connected to the transistor, wherein the transistor comprises; a gate electrode over the first substrate; an oxide semiconductor film over the gate electrode; and a gate insulating film between the gate electrode and the oxide semiconductor film, wherein an upper surface of the oxide semiconductor film is in contact with the inorganic insulating film, wherein the organic insulating film overlaps with the oxide semiconductor film with the inorganic insulating film provided therebetween, wherein an end portion of the gate electrode is positioned on an outer side of an end portion of the organic insulating film, wherein the capacitor comprises the pixel electrode, the inorganic insulating film and a light-transmitting conductive film, wherein the pixel electrode is provided over the gate insulating film and contains the same metal element as the oxide semiconductor film, and wherein the light-transmitting conductive film overlaps with the pixel electrode with the inorganic insulating film provided therebetween and the light-transmitting conductive film functions as a common electrode. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification