TFT substrate and scanning antenna provided with TFT substrate
AssigneeSharp Kabushiki Kaisha
InventorKatsunori Misaki
Life of this patent
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Abstract
A TFT substrate includes a dielectric substrate, a plurality of antenna unit regions arranged on the dielectric substrate, each antenna unit region including a TFT, a patch electrode electrically connected to a drain electrode of the TFT, an auxiliary capacitance electrode electrically connected to the drain electrode, and auxiliary capacitance counter electrodes opposite the auxiliary capacitance electrode with an insulating layer interposed therebetween, and a plurality of CS bus lines, each CS bus line being connected to any of the auxiliary capacitance counter electrodes. Each of the plurality of CS bus lines includes at least two conductive layers disposed with an insulating layer disposed therebetween.
Claims16
A TFT substrate comprising:
- a dielectric substrate;
- a plurality of antenna unit regions arranged on the dielectric substrate, each of the antenna unit regions including a TFT, a patch electrode electrically connected to a drain electrode of the TFT, an auxiliary capacitance electrode electrically connected to the drain electrode, and auxiliary capacitance counter electrodes opposite the auxiliary capacitance electrode through an insulating layer;
- and
- a plurality of CS bus lines, each of the plurality of CS bus lines being connected to any of the auxiliary capacitance counter electrodes, each of the plurality of CS bus lines including at least two conductive layers with an insulating layer interposed between the at least two conductive layers.
Dependencies are inferred from the claim text.