Sheet switch module and method of manufacturing same
A switch module and switch technology, applied in the direction of electric switches, telephone structures, electrical components, etc., can solve the problems of increased manufacturing costs
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no. 1 Embodiment approach
[0076] Figure 1A It is a schematic diagram (plan view) showing the sheet switch module according to the first embodiment of the present invention. Figure 1B is along Figure 1A Sectional view of line A-A.
[0077] Such as Figure 1A as well as Figure 1B As shown, the sheet switch module 10 according to this embodiment includes a light source 11 , a sheet-shaped light guide 12 , and a sheet switch 20 arranged on the back side (lower surface, one surface) 12 a of the light guide 12 .
[0078] The light guide 12 is in Figure 1A When viewed from above (X-Y plane), it forms a rectangular shape. Among them, such as Figure 1A as well as Figure 1B As shown, the light guide 12 is disposed close to the exit surface 11 a of the light source 11 . That is, if Figure 1B As shown, the light source 11 and the light guide 12 are arranged along the +Y direction.
[0079] As the light source 11 , a device including a light emitting element such as a light emitting diode (Light E...
no. 2 Embodiment approach
[0142] Figure 3A It is a schematic diagram (plan view) showing the sheet switch module according to the second embodiment of the present invention. Figure 3B is along Figure 3A Sectional view of the B-B line.
[0143] exist Figure 3A as well as Figure 3B in, right with Figure 1A as well as Figure 1B Components that are the same as those of the first embodiment shown are assigned the same reference numerals, and description thereof will be omitted.
[0144] The sheet switch module 40 according to the second embodiment differs from the sheet switch module 10 according to the first embodiment in that the inner surface 15a of the groove 15 of the light guide 12 is colored and the colored layer 41 is provided.
[0145] The material constituting the colored layer 41 is not particularly limited as long as it is a light-shielding paint. For example, paints in which resins such as polyurethane resins and acrylic resins are dispersed in various organic solvents can be used....
no. 3 Embodiment approach
[0151] Figure 4A It is a schematic diagram (plan view) showing the sheet switch module according to the third embodiment of the present invention. Figure 4B is along Figure 4A Sectional view of line C-C.
[0152] exist Figure 4A as well as Figure 4B in, right with Figure 1A as well as Figure 1B The same constituent elements of the illustrated sheet switch module 10 are given the same reference numerals, and description thereof will be omitted.
[0153] The difference between the sheet switch module 50 of this embodiment and the sheet switch module 10 of the above-mentioned first embodiment is that the light shielding sheet 51 is arranged on the surface 12 b of the light guide 12 so as to cover the groove 15 .
[0154] The material constituting the light-shielding sheet 51 is not particularly limited as long as it is a light-shielding material. For example, a material made of polyurethane resin, polycarbonate resin, silicone resin, polystyrene resin, polyimide A m...
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