High K-gate oxide TFTs built on transparent glass or transparent flexible polymer substrate
First Claim
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1. A transparent thin film transistor device comprising:
- a transparent substrate;
a high dielectric constant insulator layer disposed over the transparent substrate at a defined temperature, said high dielectric constant insulator layer comprises at least one material selected from the group consisting of Bi2(Zn1/3Nb2/3)2O7, Bi1.5Zn1.0M1.5O7 (M=Nb, Ta, Sb), (Bi)1˜
2(Zn, Nb, Ta, Ti)2O7, (Ca, Ba, Sr, Pb)1˜
2(Zn, Nb, Ta, Ti, Zr)2O7, and (Ca1-xSrx)Bi4Ti4O15; and
a transparent semiconductor layer disposed over the high dielectric constant insulator layer.
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Abstract
A transparent thin film transistor device includes a transparent substrate, and a high dielectric constant insulator layer disposed over the transparent substrate at a defined temperature. A transparent semiconductor layer is disposed over the insulator layer.
18 Citations
22 Claims
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1. A transparent thin film transistor device comprising:
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a transparent substrate; a high dielectric constant insulator layer disposed over the transparent substrate at a defined temperature, said high dielectric constant insulator layer comprises at least one material selected from the group consisting of Bi2(Zn1/3Nb2/3)2O7, Bi1.5Zn1.0M1.5O7 (M=Nb, Ta, Sb), (Bi)1˜
2(Zn, Nb, Ta, Ti)2O7, (Ca, Ba, Sr, Pb)1˜
2(Zn, Nb, Ta, Ti, Zr)2O7, and (Ca1-xSrx)Bi4Ti4O15; anda transparent semiconductor layer disposed over the high dielectric constant insulator layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method of developing a transparent thin film transistor device comprising:
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providing a transparent substrate; forming a high dielectric constant insulator layer disposed over the transparent substrate at a defined temperature, said high dielectric constant insulator layer comprises at least one material selected from the group consisting of Bi2(Zn1/3Nb2/3)2O7, Bi1.5Zn1.0M1.5O7 (M=Nb, Ta, Sb), (Bi)1˜
2(Zn, Nb, Ta, Ti)2O7, (Ca, Ba, Sr, Pb)1˜
2(Zn, Nb, Ta, Ti, Zr)2O7, and (Ca1-xSrx)Bi4Ti4O15; andforming a transparent semiconductor layer disposed over the high dielectric constant insulator layer. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22)
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Specification