Arrangement for illuminating a switch surface for a touch sensor switch
First Claim
1. An arrangement for illuminating at least one switch surface (3) provided on a transparent panel (1), said arrangement comprising at least one light source (9) and a touch sensor switch (5) arranged behind the at least one switch surface (3), wherein the at least one light source (9) is positioned and spaced from the at least one switch surface (3) so that the at least one light source (9) radiates light into the transparent panel (1) or into a light waveguide (15, 16, 17, 19, 20) arranged on the transparent panel (1), said light of the at least one light source (9) guided into the transparent panel or the optical waveguide is guided toward the at least one switch surface (3) and conducted into a region between the at least one switch surface (3) and a sensor element (7) of the touch sensor switch (5), wherein said light waveguide comprises a transparent adhesive strip, which is glued on at least one of the panel (1) and a circuit board (6) carrying the at least one light source (9) so that light of the at least one light source 99) is coupled into said transparent adhesive strip, a plurality of optical fibers and wherein light from a common lighting device is guided to the light waveguide by means of said optical fibers.
2 Assignments
0 Petitions
Accused Products
Abstract
The arrangement for illuminating at least one switch surface (3) provided on a transparent panel (1) has at least one light source (9) and a touch sensor switch (5) arranged behind the at least one switch surface (3). The illumination should not interfere with the switching function and a touch sensor switch (5) does not need its own light source (9). The light source (9) is spaced from the at least one switch surface (3) so that the at least one light source (9) radiates light into the transparent panel (1) or into an optical waveguide (15, 16, 17, 19, 20) arranged on the transparent panel (1). The light of the at least one light source (9) is guided into the transparent panel or the optical waveguide toward the at least one switch surface (3) and conducted into a region between the at least one switch surface (3) and a sensor element (7) of the touch sensor switch (5).
18 Citations
6 Claims
- 1. An arrangement for illuminating at least one switch surface (3) provided on a transparent panel (1), said arrangement comprising at least one light source (9) and a touch sensor switch (5) arranged behind the at least one switch surface (3), wherein the at least one light source (9) is positioned and spaced from the at least one switch surface (3) so that the at least one light source (9) radiates light into the transparent panel (1) or into a light waveguide (15, 16, 17, 19, 20) arranged on the transparent panel (1), said light of the at least one light source (9) guided into the transparent panel or the optical waveguide is guided toward the at least one switch surface (3) and conducted into a region between the at least one switch surface (3) and a sensor element (7) of the touch sensor switch (5), wherein said light waveguide comprises a transparent adhesive strip, which is glued on at least one of the panel (1) and a circuit board (6) carrying the at least one light source (9) so that light of the at least one light source 99) is coupled into said transparent adhesive strip, a plurality of optical fibers and wherein light from a common lighting device is guided to the light waveguide by means of said optical fibers.
- 4. An arrangement for illuminating at least one switch surface (3) provided on a transparent panel (1), said arrangement comprising at least one light source (9) and a touch sensor switch (5) arranged behind the at least one switch surface (3), wherein the at least one light source (9) is positioned and spaced from the at least one switch surface (3) so that the at least one light source (9) radiates light into the transparent panel (1) or into a light waveguide (15, 16, 17, 19, 20) arranged on the transparent panel (1), said light of the at least one light source (9) guided into the transparent panel or the optical waveguide is guided toward the at least one switch surface (3) and conducted into a region between the at least one switch surface (3) and a sensor element (7) of the touch sensor switch (5), wherein said at least one light source (9) comprises a plurality of lighting devices and said lighting devices provide at least one of different colored light and different intensity light or said at least one light source consists of a single lighting device having at least one of a variable color and variable intensity, wherein said transparent adhesive strip comprises a transparent supporting strip (23) and an adhesive film (24, 25) adhering on at least one side of the supporting strip or said transparent adhesive strip comprises a light-transmitting adhesive film (26).
Specification