Abstract: Provided are a ligand compound of Formula 1 having a novel structure, which shows high catalyst activity and high selectivity to 1-hexene and 1-octene, and may perform ethylene oligomerization with excellent efficiency, an organochromium compound, a catalyst composition comprising the organochromium compound and a method for oligomerizing ethylene using the same, wherein all the variables are as described herein.

Abstract: A flexible display device is disclosed. The disclosed flexible display device includes a flexible substrate; a thin film transistor on the flexible substrate; and a light emitting diode or a liquid crystal capacitor connected to the thin film transistor. The flexible substrate includes: a first base layer; a second base layer on a first surface of the first base layer; and a third base layer on a second surface of the first base layer. A surface hardness of the second base layer is greater than a surface hardness of the third base layer, and an adhesion strength of the third base layer is greater than an adhesion strength of the second base layer.

Abstract: A flexible display device is disclosed. The disclosed flexible display device includes a display panel configured to display an image; and a back film under the display panel. The back film includes a plurality of depressed patterns at a surface adjacent to the display panel. The plurality of depressed patterns are spaced apart from each other and extend in a direction away from a center of the back film.

Abstract: A flexible display device is disclosed. The disclosed flexible display device includes a flexible substrate; a thin film transistor on the flexible substrate; and a light emitting diode or a liquid crystal capacitor connected to the thin film transistor. The flexible substrate includes: a first base layer; a second base layer on a first surface of the first base layer; and a third base layer on a second surface of the first base layer. A surface hardness of the second base layer is greater than a surface hardness of the third base layer, and an adhesion strength of the third base layer is greater than an adhesion strength of the second base layer.

Abstract: A flexible display device is disclosed. The disclosed flexible display device includes a display panel configured to display an image; and a back film under the display panel. The back film includes a plurality of depressed patterns at a surface adjacent to the display panel. The plurality of depressed patterns are spaced apart from each other and extend in a direction away from a center of the back film.