Liquid crystal cells – elements and systems – Particular excitation of liquid crystal – Electrical excitation of liquid crystal
Patent
1997-06-11
2000-06-06
Sikes, William L.
Liquid crystal cells, elements and systems
Particular excitation of liquid crystal
Electrical excitation of liquid crystal
349139, 349187, 349 54, 349192, G02F 11333, G02F 11343, G02F 113
Patent
active
060725508
ABSTRACT:
A liquid crystal display (LCD) panel includes a substrate and a plurality of gate lines and data lines on the substrate, the gate lines extending along a first direction, the data lines extending along a second direction transverse to the first direction, the data lines and the gate lines crossing in an active region. A discharge bus is disposed on the substrate, extending around the active region, crossing the data lines and the gate lines. A plurality of resistive elements are disposed on the substrate, a respective one of which connects a respective one of the plurality of gate lines and data lines to the discharge bus. Preferably, a respective one of the resistive elements provides a resistance between the discharge bus and the data line or gate line connected thereto no greater than 1 Mohms. The plurality of resistive elements may include a plurality of resistive regions on a gate insulation layer. The resistive regions may be formed concurrently with a plurality of TFTs, and may include a noncrystalline silicon region. A silicide region may be disposed on the noncrystalline silicon region. According to other embodiments, a respective one of the resistive regions includes a first noncrystalline silicon region on the gate insulation layer and a second noncrystalline silicon region on the first noncrystalline silicon region, the second noncrystalline silicon region having a dopant concentration greater than the first noncrystalline silicon region. According to another embodiment, a respective one of the resistive regions includes a silicide region on the insulation layer.
REFERENCES:
patent: 5504348 (1996-04-01), Yoshida et al.
patent: 5650834 (1997-07-01), Nakagawa et al.
patent: 5691787 (1997-11-01), Shimada et al.
patent: 5828428 (1998-10-01), Kim et al.
Horney Kari M.
Samsung Electronics Co,. Ltd.
Sikes William L.
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