Abstract:
The present disclosure relates to a touch sensitive element and a display device including the same. According to an exemplary embodiment of the present disclosure, the touch sensitive element includes an electroactive film which is formed of a fluorine based terpolymer and a polymer represented by Chemical Formula 1, wherein R is an ethyl group or a methyl group, and n is an integer of 1 or larger.
Abstract:
Provided are a touch sensitive device and a display device including the same. The touch sensitive device includes: a first electroactive layer formed of a ferroelectric polymer; a plurality of electrodes disposed on at least one surface of the first electroactive layer; and a second electroactive layer in contact with the plurality of electrodes and the first electroactive layer and formed of an electroactive polymer. A coating layer having a low refractive index and formed of an electroactive polymer is formed on the first electroactive layer formed of a ferroelectric polymer having a low light transmittance, and, thus, a vibration level and a light transmittance of the touch sensitive device can be improved simultaneously.
Abstract:
Provided is a multilayer transformable device and a display device including the same. The multilayer transformable device (100) includes a plurality of unit transformable devices (130, 110), each of the unit transformable devices that includes a lower electrode (111, 131), an upper electrode (113, 133), and a transformable layer including an electro-active polymer (112, 132), EAP, and a sub-transformable layer (120) disposed between the plurality of unit transformable devices, the sub-transformable layer including a sub-EAP different from the EAP. Since the sub-transformable layer is disposed between the plurality of unit transformable devices, the transformable device has an enhanced driving displacement and a decreased driving voltage.
Abstract:
Provided is an electroactive film comprising a polysiloxane polymer, a method of manufacturing the electroactive film, a touch sensitive device including the electroactive film, and a display device including the same. The touch sensitive device of the present disclosure includes an electroactive film including a siloxane polymer having a fluoro group or a chloro group bonded to a part of the backbone, and the dielectric constant of the electroactive film is improved by 15% or more by elongation at an elongation rate of 100% or more. The electroactive film of the present disclosure has an excellent dielectric constant and an excellent light transmittance, and thus the intensity of vibration of the touch sensitive device is improved, the driving voltage for the touch sensitive device may be lowered, and the touch sensitive device may be disposed on the display panel.
Abstract:
Provided are a touch sensitive element and a manufacturing method thereof. The manufacturing method for the touch sensitive element according to an embodiment of the present disclosure includes forming an electroactive polymer coating layer by applying an electroactive polymer solution on a substrate; forming an electroactive layer by heating and pressurizing the electroactive polymer coating layer using a hot press roller; and forming an electrode on the electroactive layer.
Abstract:
Provided are a touch sensitive element and a display device including the same. According to the exemplary embodiment of the present disclosure, a touch sensitive element, includes: an electroactive layer which is formed of electroactive polymer (EAP); an electrode which is disposed on at least one surface of the electroactive layer; and a hard coating layer which is disposed on the electroactive layer and the electrode and has a negative coefficient of thermal expansion (CTE). Therefore, vibration effect in a vertical direction is maximized and impact resistance may be improved.
Abstract:
Provided is a contact sensitive device. The contact sensitive device includes an electroactive layer, a plurality of first electrodes, a plurality of second electrodes, and a bonding layer. The plurality of first electrodes is disposed on one surface of the electroactive layer and the plurality of second electrodes is disposed on the other surface of the electroactive layer. The bonding layer covers one surface of the electroactive layer and consists of a first part corresponding to the plurality of first electrodes and a second part excluding the first part. The first part and the second part of the bonding layer have different elastic moduli.