Display Device With Q Node Shielding for Flexible TCO Substrates

The patent changes the substrate material from plastic to transparent conducting oxide (TCO) or oxide semiconductor, fundamentally altering the material parameters to achieve both flexibility and precise thickness control. The TCO or oxide semiconductor substrate enables thickness control at the nanometer level while maintaining flexibility through thin-film deposition techniques.

The patent employs a composite structure where TCO or oxide semiconductor serves as the substrate, combined with gate insulating layers, semiconductor layers, and electrode layers. This composite approach allows each layer to contribute specific properties, achieving overall flexibility while maintaining precise thickness control through controlled deposition of each component layer.

The patent eliminates high-temperature processing by replacing the plastic substrate with TCO or oxide semiconductor, which can be deposited at lower temperatures using techniques such as sputtering or atomic layer deposition. This parameter change in both substrate material and deposition temperature significantly reduces formation time while maintaining or improving material properties.

The patent replaces traditional high-temperature thermal processing with physical vapor deposition or chemical vapor deposition methods. This substitution of processing mechanisms allows for precise thickness control and material property optimization without the time-consuming high-temperature curing required for plastic substrates.

The patent introduces a gate insulating layer as an intermediary between the TCO or oxide semiconductor substrate and the gate electrode. This intermediary layer with controlled dielectric properties minimizes parasitic capacitance while maintaining ease of manufacture through standard thin-film deposition processes. The gate insulating layer acts as a mediator that reduces harmful capacitive coupling.

The patent changes the substrate material parameters from plastic to TCO or oxide semiconductor, which have different dielectric properties. This parameter change inherently reduces parasitic capacitance. Additionally, the thickness and dielectric constant of the gate insulating layer are optimized to further minimize parasitic capacitance while maintaining manufacturability.

The patent employs a composite structure with multiple protective layers including gate insulating layers, semiconductor layers, and encapsulation layers over the TCO or oxide semiconductor substrate. This composite approach provides excellent moisture barrier properties while maintaining the inherent flexibility of the thin-film structure. Each layer contributes to moisture protection without compromising flexibility.

The patent changes the substrate material from plastic to TCO or oxide semiconductor, which have inherently lower moisture permeability. This parameter change in substrate material, combined with the addition of encapsulation layers, significantly improves moisture barrier properties while maintaining flexibility through the thin-film architecture.