BACKGROUND

1. Field

Exemplary embodiments of the invention relate to a display apparatus, and in particular, to a flexible display apparatus.

2. Description of the Related Art

Various display apparatuses are being developed for use in multimedia devices such as televisions, mobile phones, tablet computers, navigation systems, gaming machines, and the like. In accordance with recent technical progress, a flexible display apparatus has been developed, for example.

SUMMARY

When a flexible display apparatus is bent, stress is exerted on the flexible display apparatus, thereby causing damage to internal parts.

According to some exemplary embodiments of the invention, a touch insulating layer may have an intaglio pattern capable of preventing a delamination problem, which may occur between the touch insulating layer and an interlayered insulating layer, causing a short circuit between output and input pads.

According to some exemplary embodiments of the invention, a display apparatus may include a substrate, signal lines, a display element layer, a pad group, an intermediate insulating layer, a touch electrode layer, and a touch insulating layer.

In an exemplary embodiment, the substrate may include a display region and a non-display region outside the display region.

In an exemplary embodiment, the signal lines may be provided on the substrate.

In an exemplary embodiment, the display element layer may be provided on the signal lines and may include display elements provided in the display region in a plan view.

In an exemplary embodiment, the pad group may include output pads, which are electrically connected to the signal lines and are provided in the non-display region in the plan view.

In an exemplary embodiment, the intermediate insulating layer may be provided between the signal lines and the display element layer to expose the output pads.

In an exemplary embodiment, the touch electrode layer may be provided on the display element layer.

In an exemplary embodiment, the touch insulating layer may be provided on the display element layer. The touch insulating layer may contact the touch electrode layer and may define an intaglio pattern in the non-display region in the plan view.

In an exemplary embodiment, the intaglio pattern may be located between the output pads and the intermediate insulating layer in the plan view.

According to other exemplary embodiments of the invention, a display apparatus may include a substrate, signal lines, a display element layer, a pad group, a driving circuit chip, a touch electrode layer, and a touch insulating layer.

In an exemplary embodiment, the substrate may include a display region and a non-display region outside the display region.

In an exemplary embodiment, the signal lines may be provided on the substrate.

In an exemplary embodiment, the display element layer may be provided on the signal lines and may include display elements provided in the display region in a plan view.

In an exemplary embodiment, the pad group may include output pads, which are electrically connected to the signal lines and are provided in the non-display region in the plan view.

In an exemplary embodiment, the driving circuit chip may contact the pad group and may provide signals to the signal lines.

In an exemplary embodiment, the touch electrode layer may be provided on the display element layer.

In an exemplary embodiment, the touch insulating layer may be provided on the display element layer to define an intaglio pattern in the non-display region in the plan view.

In an exemplary embodiment, the intaglio pattern may be not overlapped with the pad group and may be overlapped with the driving circuit chip.

According to still other exemplary embodiments of the invention, a display apparatus may include a substrate, a display element layer, a pad group, a touch electrode layer, and a touch insulating layer.

In an exemplary embodiment, the substrate may include a display region and a non-display region outside the display region.

In an exemplary embodiment, the display element layer may be provided on the substrate and may include display elements provided in the display region in a plan view.

In an exemplary embodiment, the pad group may be provided on the substrate and may include output pads, which are provided in the non-display region in the plan view.

In an exemplary embodiment, the touch electrode layer may be provided on the display element layer.

In an exemplary embodiment, the touch insulating layer may be provided on the display element layer and contact the touch electrode layer.

In an exemplary embodiment, an intaglio pattern may be provided in the touch insulating layer overlapped with the non-display region, and the intaglio pattern may be not overlapped with the pad group.

