Abstract: In an example, a display device includes a rollable display including a display side and an opposite non-display side. The rollable display includes a conductive material with a pattern disposed on the non-display side. The device includes a housing configured to house the rollable display and configured to roll in and roll out the rollable display along a first direction, and a capacitive sensor including a transmitter and a receiver electrode disposed within the housing and configured to sense the pattern.

Abstract: The present invention relates to a composition comprising the extract of combined herbs consisting of heat processed ginseng, houttuyniae herba, perilla leaf and tea leaf or the processed extract thereof as active ingredients for preventing and treating hair baldness and stimulating activity of hair growth. The inventive combined extract showed more potent hair-growth promoting activity and synergistic effect than the precedent invention(s), for example, a fermented extract of Houttuyniae Herba, Perilla leaf and Tea leaf disclosed in Korea Patent Publication No, 10-2014-0114492 (A1), through various animal model experiments such as the growth rate test using by C57BL/6 mouse, the proliferating effect on the growth of HFDPC etc and additionally, more favorable advantage than the precedent invention(s), for example, the easiness in controlling the prescribed dosage by dint of the final form of the inventive extract, i.e.