Nanyang Technological University

Jiangxin Wang

Pooi See Lee

Guofa Cai

Dace Gao

An inkjet printable ionic conductive ink for producing a touch sensor device is provided. The inkjet printable ionic conductive ink includes a hydrophilic polymer and an ionic salt, a mixture of solvents in which the hydrophilic polymer and the ionic salt are dissolved therein to form a solution, and a surfactant to render the solution inkjet printable. A method of producing the inkjet printable ionic conductive ink is also provided. The method includes dissolving a hydrophilic polymer and an ionic salt in a mixture of solvents to form a solution, and mixing the solution with a surfactant to render the solution inkjet printable. A touch sensor panel comprising the ionic conductive ink and a method of producing the touch sensor panel are also provided.

Ionic conductive ink and stretchable touch sensors or panels based on the ionic conductive ink

The present invention relates to an elastic conductor with high conductivity and stable electrical performance under stretching. The elastic conductor comprises a matrix material; a plurality of electrically conductive structures embedded in the matrix; and one or more particles embedded in the matrix, wherein the particles are configured to release an electrically conductive material upon stretching of the elastic conductor. In a preferred embodiment, each of the particles comprises a core of the electrically conducting material, such as liquid eutectic gallium indium alloy, and an outer shell surrounding the core, such as gallium oxide.

Elastic conductor, device including, and method of forming the same

In various embodiments, a stretchable electroluminescent device may be provided. The electroluminescent device may include a first contact structure. The first contact structure may include an ionic conductor layer. The electroluminescent device may also include a second contact structure. The electroluminescent device may additionally include an emission layer between the first contact structure and the second contact structure. The emission layer may be configured to emit light when an alternating voltage is applied between the first contact structure and the second contact structure.

Electroluminescent device and method of forming the same

A flexible electronic device is provided. The flexible electronic device includes a flexible dielectric substrate, a first electrode layer, a second electrode layer, a functional layer, a third electrode layer, and a capping layer. The flexible dielectric substrate has a first surface and an opposing second surface. The first electrode layer is arranged on the first surface of the flexible dielectric substrate. The second electrode layer is arranged on the second surface of the flexible dielectric substrate. The functional layer includes a light emitting layer or an electroactive layer and an electrolyte layer, arranged on the second electrode layer. The third electrode layer is arranged on the functional layer. The capping layer is arranged on the third electrode layer. A method of manufacturing the flexible electronic device is also provided.

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Singapore, Singapore

Jiangxin Wang