US Patent 11424270 Flexible display device and manufacturing method thereof

A flexible display device and a method of manufacturing thereof are provided. The flexible display device includes a flexible substrate, a thin film transistor disposed on the flexible substrate, a luminescent layer disposed on the thin film transistor, a first retaining wall and a second retaining wall disposed on the thin film transistor, and an encapsulation layer. The encapsulation layer includes a first inorganic layer, an organic layer, and a second inorganic layer. The first inorganic layer covers the first retaining wall, the second retaining wall, and one part of the thin film transistor. A plurality of first grooves are disposed in the first inorganic layer. The organic layer fills the plurality of first grooves and covers the luminescent layer and the other part of the thin film transistor. The second inorganic layer covers the first inorganic layer and the organic layer.