Abstract: An optical path control member according to an embodiment includes a first substrate; a first electrode disposed on the first substrate; a second substrate disposed on the first substrate; a second electrode disposed under the second substrate; a light conversion unit disposed between the first electrode and the second electrode and including a plurality of accommodating parts in which a light conversion material is disposed; and a first sealing part and a second sealing part formed in a cutting region formed by cutting the second substrate, the second electrode, and the light conversion unit, and extending in a first direction, wherein the first sealing part and the second sealing part include a sealing region disposed inside the cutting region and an anchor region disposed inside the accommodating part, respectively, and wherein a size of the anchor region of the first sealing part is greater than a size of the anchor region of the second sealing part.

Abstract: A mask, according to an embodiment, comprises: a first wiring disposed on a first base layer; a piezoelectric element disposed on the first wiring; a second wiring disposed on the piezoelectric element; a second base layer disposed on the second wiring; a protective layer disposed between the first and second base layers and surrounding the first wire, the second wire, and the piezoelectric element; and a control unit which controls a driving frequency of the piezoelectric element. The control unit controls the driving frequency of the piezoelectric element in a frequency band defined as a first range, and the temperature of the piezoelectric element changes by means of the control of the driving frequency of the control unit.

Abstract: A mask, according to an embodiment, comprises: a first wiring disposed on a first base layer; a piezoelectric element disposed on the first wiring; a second wiring disposed on the piezoelectric element; a second base layer disposed on the second wiring; a protective layer disposed between the first and second base layers and surrounding the first wire, the second wire, and the piezoelectric element; and a control unit which controls a driving frequency of the piezoelectric element. The control unit controls the driving frequency of the piezoelectric element in a frequency band defined as a first range, and the temperature of the piezoelectric element changes by means of the control of the driving frequency of the control unit.

Abstract: A mask according to an embodiment comprises: a first substrate disposed on a first base layer; a first wire disposed on the first substrate; a piezoelectric element disposed on the first wire; a second wire disposed on the piezoelectric element; a second substrate disposed on the second wire; a second base layer disposed on the second substrate; and a cavity disposed between the first base layer and the piezoelectric element, wherein the cavity is disposed in a region overlapping the piezoelectric element in a vertical direction.

Abstract: A touch window according to the present invention comprises: a cover substrate; a resin layer on the cover substrate; a substrate on the resin layer; and an electrode on the substrate, wherein the resin layer is arranged with a thickness of 1 ?m to 10 ?m to prevent external defects that can occur when the touch window is bent or folded, such as exposure of the resin layer, or separation or damage to the cover substrate or substrate, thereby allowing improved reliability to be exhibited.

Abstract: A band type sensor includes a substrate and a gesture sensor on the substrate, where the gesture sensor senses the gesture of a user in a capacitive type. And a wearable device having the band type sensor includes a main body, a display part disposed inside the main body, a band connected to the main body, a band type sensor including a touch sensor disposed on the display part and a gesture sensor disposed in the band, and a control unit to perform an operation according to touch and gesture inputs of the user sensed by the band type sensor.