Abstract: A touch panel device including, and arranged above each other in a downward direction, a cover layer, a sensor layer including a plurality of sensing elements, characterized in that between the cover layer and the sensor layer is an electrically-resistive layer, electrically resistive layer being an electrically non-insulating layer and having an electrical resistance is provided, wherein the electrical resistance of the electrically-resistive layer is lower than the electrical resistance of the cover layer and higher than the electrical resistance of the sensing elements.

Abstract: The invention provides a touch panel device comprising, and arranged above each other in a downward direction, a cover layer for use as a touch surface, a sensor layer comprising a plurality of sensing elements, the sensing elements being arranged to register capacitance, characterized in that between the cover layer and the sensor layer is an electrically-resistive layer, electrically resistive layer being a electrically non-insulating layer and having an electrical resistance is provided, wherein the electrical resistance of the electrically-resistive layer is lower than the electrical resistance of the cover layer and higher than the electrical resistance of the sensing elements. The electrically-resistive layer can have a resistance suitable for causing, in response to a touch event above a center of a central sensing element, a detectable change in the capacitance as measured by at least two sensing elements adjacent to the central sensing element.

Abstract: The invention relates to a method of manufacturing a capacitive coplanar touch panel device based on the following actions: a) Providing a glass sheet having a first size, b) Cutting the glass sheet in glass sheet pieces having a second size smaller than the first size, c) Hardening the glass sheet pieces to a desired level of hardness, d) Applying a transparent conductive layer with a predetermined thickness on a side of at least one glass sheet piece, e) Applying a laser ablation process on the transparent conductive layer such as to provide the transparent conductive layer with a predetermined pattern.

Abstract: The invention provides a touch panel device comprising, and arranged above each other in a downward direction, a cover layer for use as a touch surface, a sensor layer comprising a plurality of sensing elements, the sensing elements being arranged to register capacitance, characterized in that between the cover layer and the sensor layer is an electrically-resistive layer, electrically resistive layer being a electrically non-insulating layer and having an electrical resistance is provided, wherein the electrical resistance of the electrically-resistive layer is lower than the electrical resistance of the cover layer and higher than the electrical resistance of the sensing elements. The electrically-resistive layer can have a resistance suitable for causing, in response to a touch event above a center of a central sensing element, a detectable change in the capacitance as measured by at least two sensing elements adjacent to the central sensing element.

Abstract: The invention relates to a method of fastening a circuit assembly to a light guide in a manufacturing process of a LCD-display. The method comprises: a) providing the circuit assembly, comprising at least one light source; b) providing the light guide, arranged to guide light emitted by the at least one light source; c) positioning the light guide and the circuit assembly with respect to each other; and d) fastening the circuit assembly and the light guide to each other. The action d) is performed by laser welding or ultrasonic welding.

Abstract: A method of manufacturing a light guide for a backlight module in a liquid crystal display module is provided. The method includes the following steps: providing a foil; and pressing the foil at a first temperature above a glass transition temperature of a material of the foil to form a thickness profile of the light guide.

Abstract: In a sensing method of a capacitive touch screen, which includes a plurality of sensing capacitors, at least one of the plurality of sensing capacitors is selected into a reference capacitor unit. The capacitance differences between the reference capacitor unit and the sensing capacitors are calculated. A touched position on the capacitive touch screen is determined according to the capacitance differences.

Abstract: The invention relates to a method of fastening a circuit assembly to a light guide in a manufacturing process of a LCD-display. The method comprises: a) providing the circuit assembly, comprising at least one light source; b) providing the light guide, arranged to guide light emitted by the at least one light source; c) positioning the light guide and the circuit assembly with respect to each other; and d) fastening the circuit assembly and the light guide to each other. The action d) is performed by laser welding or ultrasonic welding.

Abstract: The invention relates to a capacitive touch sensor for use with a display device. The capacitive touch sensor includes a first electrode layer including a plurality of first sensor elements. The capacitive touch sensor has a longitudinal direction and a transversal direction, and the plurality of first sensor elements are separated with respect to each other in the longitudinal direction and the transversal direction.

Abstract: A capacitive touch sensor for use with a display device is described. The capacitive touch sensor includes a first sensor electrode layer including a first electrode, a second sensor electrode layer including a second electrode, and a sensor dielectric layer including a polarizer, the sensor dielectric layer arranged in between the first sensor electrode layer and the second sensor electrode layer. The first electrode can have a plurality of first sensor elements. The second sensor electrode layer can act as a shielding electrode. An apparatus including a display module including a capacitive touch sensor and a display device is described. The first sensor electrode layer is applied on a transparent window plate in the cover of the apparatus.