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Electroactive Polymer patents

This page is updated frequently with new Electroactive Polymer-related patent applications. Subscribe to the Electroactive Polymer RSS feed to automatically get the update: related Electroactive RSS feeds. RSS updates for this page: Electroactive Polymer RSS RSS

Date/App# patent app List of recent Electroactive Polymer-related patents

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Electroactive polymer coating for improved battery safety
A single or multi-component polymer coating is applied to components used in fabrication of electrochemical cells to protect the cells from damages that can result in cell imbalance or cell performance reduction. The polymer coating is electrically conductive under normal operating conditions but, when operated at low voltages, functions as an...

Automated manufacturing processes for producing deformable polymer devices and films
A process for producing a patterned deformable polymer film for use in a deformable polymer device is disclosed. The process includes positioning an intermediary layer between a deformable film and a process tooling and printing at least one electrode on the deformable film by depositing an ink to form the at...

Flexible structure for generating electrical energy from wave motions
A device for generating electrical energy from the motion of waves includes: at least one flexible, floatable tube which is closed at its two ends and includes a wall having at least one horizontal stack, which extends in the longitudinal direction of the tube and has at least one layer having...

Electroactive polymer actuator haptic grip assembly
The present invention provides a housing to allow for removable coupling of electroactive polymer transducer with an electronic media device, where the housing produces an improved haptic effect in the electronic media device....

Self-leveling system with auto feedback control
A leveling system includes a chassis and a first foot protruding from the chassis. The leveling system also includes a plurality of pressure sensors to measure pressure at a first location at the first foot and a second location separated from the first foot. In addition, the leveling system includes a...

Self pumping and sensing hose utilizing electroactive polymer strips
One or more electroactive polymer (EAP) strips are circumferentially or lengthwise embedded or mounted around the fluid passage member. The EAP strips are configured to function as a pump when a prescribed electrical charge is applied and removed from the EAP strips, which causes the EAP strips to expand and constrict...

Composition and method for forming electroactive polymer solution or coating comprising conjugated heteroaromatic polymer, electroactive polymer solution, capacitor and antistatic object comprising the electroactive coating, and solid electrolytic capacit
wherein X is selected from S, O, Se, Te, PR2 and NR2, Y is hydrogen (H) or a precursor of a good leaving group Y− whose conjugate acid (HY) has a pKa of less than 30, Z is hydrogen (H), silyl, or a good leaving group whose conjugate acid (HY) has...

Electroactive, actuated dot structures and associated methods
Systems and methods for an electroactive polymer actuated dot structure is disclosed herein. According to an aspect, an actuated dot structure includes a housing. The actuated dot structure also includes a pin configured to move between a first position and a second position with respect to the housing. Further, the actuated...

Formable input keypad and display device using the same
A formable input keypad includes: an electroactive polymer (EAP) layer having a first surface and a second surface opposite the first surface; a first conductive electrode pattern defining outlines of user input keys at the first surface of the EAP layer; and a second conductive electrode pattern at the second surface...

Roll-to-roll manufacturing processes for producing self-healing electroactive polymer devices
A process for producing a corrugated electrode for use in an electroactive polymer cartridge is disclosed. A laminated web comprising a support sheet laminated to a dielectric elastomer film is positioned. The support sheet defines areas exposing portions of the dielectric elastomer film. A force is applied to the positioned laminated...

Lens shutter and aperture control devices
The present invention provides optical systems, devices and methods which utilize one or more electroactive polymer actuators to provide shutter and/or aperture control....

Active diffuser for reducing speckle and laser display device having active diffuser
An active diffuser for reducing a speckle in accordance with an embodiment of the present invention includes: an electroactive polymer film having at least one or more scattering patterns; a first transparent electrode coated on one surface of the electroactive polymer film; and a second transparent electrode coated on the other...

Electroactive polymer structures printed with varying compositions of ions
An electroactive polymer structure includes a first flexible electrode, a second flexible electrode, and a polymer dielectric layer with ionic liquid on top of the first electrode including at least two regions. Each region of the polymer dielectric layer includes a different ionic liquid concentration. The polymer dielectric layer is in...

Electrically isolating polymer composition
An electrode coating composition that includes at least one crosslinkable monomer; at least one hydrophobic monomer; and at least one dielectric constant enhancing agent selected from dielectric enhancing monomers, ferroelectric particulates, and electroactive polymers. Coatings including the polymer of compositions, and articles including electrically isolating layers are also disclosed....

Electroactive polymer actuator lenticular system
The present invention provides an optical system comprising a lens element, a display unit displaced transversely from the lens element, at least one actuator coupled to at least one of the lens element or the display unit and capable of changing position of the lens element relative to the display unit...

Computer controlled steerable tip guide catheter
A catheter system is provided. The system includes a catheter having an elongated flexible body and one or more electroactive polymer actuators disposed along the elongated flexible body. The electroactive polymer actuators are adapted to cause a change in configuration of the elongated flexible body. The system also includes a controller...

Eap transducers with improved performance
The present invention provides electroactive polymer (“EAP”) transducers having improved properties. This improvement is achieved without decreasing film thickness, or by using high dielectric constant and high field, so that this approach does not adversely affect the reliability and physical properties of the resultant dielectric films. Mobile electrically active additives are...

Electroactive actuators, systems equipped therewith, and methods of use and manufacture
Actuators and methods utilizing electrical properties of polymer materials. The actuators have a multilayer structure that includes an electroactive polymer layer between and bonded to first and second electrodes so that the polymer layer has a thickness dimension therebetween. The multilayer structure is adapted so that application of an electric potential...

Stretch frame for stretching process
An apparatus comprising a frame and a pressure sensitive adhesive applied to at least a portion of the frame, where the pressure sensitive adhesive is arranged to bond a pre-strained film to the frame is disclosed. A method of making the apparatus also is disclosed. Also disclosed is a method of...

Electroactive polymer based pressure sensor
A sensor including a buffer material layer configured to at least partially deflect when a force or pressure is imparted on the buffer material layer; and an electroactive polymer (EAP) cartridge in operative contact with the buffer material layer, wherein the EAP cartridge is configured to generate an output signal that...

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This listing is a sample listing of patent applications related to Electroactive Polymer for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Electroactive Polymer with additional patents listed. Browse our RSS directory or Search for other possible listings.



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