Abstract:
There is provided a touch sensitive element (100) including an electroactive layer (120), and an electrode disposed on at least one surface of the electroactive layer (120). The electroactive layer (120) has a first portion (121) having a first thickness (t 1 ) and a second portion (123) which has a second thickness (t 2 ) different from the first thickness (t 1 ) and is in contact with the first portion (121) at an outside of the first portion (121).
Abstract:
Provided are a display device and a method of driving the same. The display device includes: a touch sensitive element having an electroactive layer and a plurality of electrodes disposed on at least one of a top surface and a bottom surface of the electroactive layer; a display panel disposed under the touch sensitive element; and a touch sensor disposed under the touch sensitive element and having a plurality of touch electrodes, and each of the plurality of electrodes of the touch sensitive element overlaps with one touch electrode from among the plurality of touch electrodes in a one to one correspondence.
Abstract:
Provided is a multilayer actuator comprising a plurality of electroactive layers, wherein the electroactive layers comprise a ferroelectric polymer, and polarization directions of all electroactive layers are the same.
Abstract:
Provided is a touch panel (200). The touch panel (200) includes a first substrate (260), a second substrate (210), a first electrode (241), a second electrode (242), a third electrode (220), and a dielectric layer (230). The second substrate (210) faces the first substrate (260). The first electrode (241) is on one surface of the first substrate (260). The second electrode (242) is spaced apart from the first electrode (241) on a same plane as the first electrode (241). The third electrode (220) is on one surface of the second substrate (210) and overlaps the first electrode (241) and the second electrode (242). The dielectric layer (230) is between the first electrode (241) and the third electrode (220) and between the second electrode (242) and the third electrode (220) and includes an anisotropic dielectric material.
Abstract:
A monolithic haptic-type touch screen capable of performing both touch recognition and haptic feedback are provided. The monolithic haptic-type touch screen includes an insulating film formed by doping ferroelectric material in an electroactive polymer (EAP), an upper electrode formed on an upper surface of the insulating film, and a lower electrode formed on a lower surface of the insulating film and corresponding to the upper electrode.
Abstract:
A vibration device enabling a large area and a display apparatus including the vibration device are provided. The vibration device may be configured to include a vibration array including a plurality of vibration modules which are spaced apart from one another by a first interval of less than 3 cm in a first direction.
Abstract:
A touch panel includes a plurality of first electrodes which extends in a first direction. The touch panel further includes an electroactive layer which is disposed on the plurality of first electrodes and is formed of an electroactive material. The touch panel further includes a plurality of second electrodes which is disposed on the electroactive layer and extends in a second direction which is different from the first direction. The touch panel further includes an insulating layer which is disposed to cover the electroactive layer and the plurality of second electrodes. The touch panel further includes a plurality of third electrodes which is disposed on the insulating layer and extends in the second direction.
Abstract:
The touch sensitive element (100) according to an exemplary embodiment of the present disclosure includes an electroactive layer (120), an electrode (110, 140), and a plurality of beads (130). The electroactive layer (120) includes an electroactive polymer. The electrode (110, 140) is disposed on at least one surface of the electroactive layer (120). The plurality of beads (130) is dispersed in the electroactive layer (120) and has a diameter (d) larger than the thickness (t) of the electroactive layer (120).
Abstract:
Provided are a touch sensitive element (100) and a display device including the same. The touch sensitive element (100) according to an exemplary aspect of the present disclosure includes an electroactive layer (110) formed of a linear boron nitride polymer and an electrode (120) disposed on at least one surface of the electroactive layer (110). Therefore, a piezoelectricity of the electroactive layer (110) is improved to improve vibration strength of the touch sensitive element (100) and significantly improve heat resistance.