THIN FILM TRANSISTOR, METHOD OF MANUFACTURING THE SAME AND FLAT PANEL DISPLAY DEVICE HAVING THE SAME
First Claim
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1. A thin film transistor, comprising:
- a substrate;
a gate electrode formed on the substrate;
an activation layer formed on the gate electrode, insulated from the gate electrode by a gate insulating film, and formed of a compound semiconductor including oxygen;
a passivation layer formed on the activation layer; and
source and drain electrodes formed to contact the activation layer,wherein the passivation layer comprises a titanium oxide (TiOx).
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Abstract
A thin film transistor which has a compound semiconductor including oxygen as an activation layer, a method of manufacturing the thin film transistor, and a flat panel display device having the thin film transistor, of which the thin film transistor comprises: a gate electrode formed on a substrate; an activation layer formed on the gate electrode, insulated from the gate electrode by a gate insulating film, and formed of a compound semiconductor including oxygen; a passivation layer formed on the activation layer; and source and drain electrodes formed to contact the activation layer, wherein the passivation layer includes titanium oxide (TiOx) or titanium oxynitride (TiOxNy).
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Citations
31 Claims
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1. A thin film transistor, comprising:
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a substrate; a gate electrode formed on the substrate; an activation layer formed on the gate electrode, insulated from the gate electrode by a gate insulating film, and formed of a compound semiconductor including oxygen; a passivation layer formed on the activation layer; and source and drain electrodes formed to contact the activation layer, wherein the passivation layer comprises a titanium oxide (TiOx). - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method of manufacturing a thin film transistor, comprising:
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forming a gate electrode on a substrate; forming a gate insulating film on of the substrate to cover the gate electrode; forming an activation layer on the gate insulating film, the activation layer being formed of a compound semiconductor including oxygen; forming a passivation layer that comprises a titanium oxide (TiOx) on the activation layer; and forming source and drain electrodes to contact the activation layer. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A flat panel display device, comprising:
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a first substrate on which a plurality of pixels, each having a first electrode, are defined by a plurality of first conductive lines and second conductive lines; thin film transistors respectively connected to the first electrodes of the pixels to control signals supplied to the respective pixels from the first conductive lines and the second conductive lines formed on the first substrate; a second substrate on which a second electrode is formed, the second substrate being disposed to face the first substrate; and a liquid crystal layer disposed between the first electrode and the second electrode, wherein each thin film transistor comprises; a gate electrode formed on the first substrate; an activation layer formed on the gate electrode, insulated from the gate electrode by a gate insulating film, and formed of a compound semiconductor including oxygen; a passivation layer formed on the activation layer; and source and drain electrodes formed to contact the activation layer, wherein the passivation layer comprises a titanium oxide (TiOx). - View Dependent Claims (23, 24, 25, 26)
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27. A flat panel display device, comprising:
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a first substrate on which an organic light emitting device is formed, the organic light emitting device including a first electrode, a second electrode, and an organic thin film layer disposed between the first electrode and the second electrode; a thin film transistor disposed on the first substrate and connected to the first electrode of the organic light emitting device to control the operation of the organic light emitting device; and a second substrate disposed to face the first substrate, wherein the thin film transistor comprises; a gate electrode formed on the first substrate; an activation layer formed on the gate electrode and insulated from the gate electrode by a gate insulating film, and formed of a compound semiconductor including oxygen; a passivation layer formed on the activation layer; and source and drain electrodes formed to contact the activation layer, wherein the passivation layer comprises a titanium oxide (TiOx). - View Dependent Claims (28, 29, 30, 31)
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Specification