A by-pass circuit includes a first power MOS with an intrinsic diode, a first conduction terminal coupled to a cathode, a second conduction terminal coupled to an anode, and a control terminal. Grease is composed of base grease, essentially containing a thickener, to which at least 0. The compositions of the invention can be used to treat various skin disease, and in particular scalp psoriasis. The branch is located at a side of the pixel electrode away from the data line, and has a concavity located at a side of the branch adjacent to the data line. The layer may be anisotropically etched into a plurality of first vertical structures along edges of the photoresist features, and into a second vertical structure along an edge of the placeholder.