Method of making active matrix display

Details Method of making active matrix display Method of making active matrix display

2007-07-24

2007-07-24

Ton, Toan (Department: 2871)

Liquid crystal cells, elements and systems

Particular excitation of liquid crystal

Electrical excitation of liquid crystal

C349S046000

Reexamination Certificate

active

10897533

ABSTRACT:
A method of making a lower cost active matrix display. In a particular embodiment, the method includes providing at least one first conductor upon a substrate and depositing a gate dielectric upon the first conductor and substrate. At least one paired second conductor and a pixel electrode are deposited upon the gate dielectric, with the second conductor crossing the first conductor and with a narrow gap between the paired second conductor and the pixel electrode. A semiconductor material is deposited over the paired second conductor and pixel electrode, filling the narrow gap. The narrow gap shelters a portion of the semiconductor material, which serves as a semiconductor bridge capable of functioning either as an insulator or as a channel region of a field effect transistor. The remaining, unsheltered semiconductor material is removed. A liquid crystal layer is then deposited upon the paired second conductor, the pixel electrode and the sheltered semiconductor material, and a translucent conductor is deposited upon the liquid crystal display layer. An associated display is also provided.

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