Thin film switch and press key/keyboard using the same

A press key using thin film switch, comprising:

• a substrate;
• a thin film switch, disposed at a side of the substrate, and further comprising:
• a first thin film, having a first conductor unit that is composed of at least one first electric conductor and is mounted on a surface of the first thin film;
• and
• a second thin film, disposed corresponding to the surface of the first thin film where the at least one first electric conductor is mounted while allowing the second thin film to be spaced from the first thin film by a first interval, the second thin film further having a second conductor unit, composed of a plurality of second electric conductors, that is mounted on a surface of the second thin film which is orientated facing toward the first thin film and at a position corresponding to the first conductor unit while allowing the first conductor unit to be spaced from the second conductor unit by a second interval, and the plural second electric conductors being arranged in a manner that one of the plural second electric conductors is disposed at a first position defined on the second thin film while designating another one of the plural second electric conductors to be disposed at a second position of the second thin film, and simultaneously enabling the first position to be spaced from the second position by a first distance;
• a keycap, disposed corresponding to a side of the thin film switch that is not engaged with the substrate;
• an elastic component, disposed at a position between the keycap and the substrate, further having a protrusion with a central axis line to be formed at a position corresponding to the at least one first electric conductor;
• and
• a supporting element, disposed at a position between the keycap and the substrate while movably connecting to the keycap and the substrate for enabling the keycap to move up and down relative to the substrate;
• wherein, the at least one first electric conductor is enabled to engage with the second electric conductor at the first position for constructing an electrical conduction when a first force is exerted upon the keycap for causing the protrusion to move along its central axis line and thus engage with the thin film switch so as to enable the first thin film and the second thin film to move toward each other, and the at least one first electric conductor is enabled to engage simultaneously with the second electric conductors at the first and the second positions for constructing another electrical conduction when a second force is exerted upon the keycap for causing the protrusion to move along its central axis line and thus engage with the thin film switch so as to enable the first thin film and the second thin film to move toward each other.

A keyboard using thin film switch, comprising:

• a substrate;
• a thin film switch, disposed at a side of the substrate, and further comprising:
• a first thin film, having a plurality of first conductor units that are respectively composed of at least one first electric conductor and are mounted on a surface of the first thin film;
• and
• a second thin film, disposed corresponding to the surface of the first thin film where the at least one first electric conductor is mounted while allowing the second thin film to be spaced from the first thin film by a first interval, the second thin film further having a plurality of second conductor units, each composed of a plurality of second electric conductors, to be mounted on a surface of the second thin film that is orientated facing toward the first thin film and at positions corresponding to the plural first conductor units corresponding respectively thereto, and the plural second electric conductors being arranged in a manner that one of the plural second electric conductors is disposed at a first position defined on the second thin film while designating another one of the plural second electric conductors to be disposed at a second position of the second thin film, and simultaneously enabling the first position to be spaced from the second position by a first distance;
• a plurality of keycaps, disposed corresponding to a side of the thin film switch that is not engaged with the substrate;
• a plurality of elastic components, each disposed at a position between the keycap corresponding thereto and the substrate, and each further having a protrusion with a central axis line to be formed at a position corresponding to the at least one first electric conductor of one of the plural first conductor units corresponding thereto;
• and
• a plurality of supporting elements, each disposed at a position between the keycap corresponding thereto and the substrate while movably connecting to the keycap corresponding thereto and the substrate for enabling the corresponding keycap to move up and down relative to the substrate;
• wherein, when one of the plural keycap is subjected to a first force, the protrusion of the pressed keycap is enabled to move along its central axis line and thus engage with the thin film switch so as to enable the first thin film and the second thin film to move toward each other, and thus enable the at least one first electric conductor of the first conductor unit that is disposed corresponding to the pressed keycap to engage with the second electric conductor at the first position for constructing an electrical conduction, and when one of the plural keycap is subjected to a second force, the protrusion of the pressed keycap is enabled to move along its central axis line and thus engage with the thin film switch so as to enable the first thin film and the second thin film to move toward each other, and thus enable the at least one first electric conductor of the first conductor unit that is disposed corresponding to the pressed keycap to engage simultaneously with the second electric conductors at the first and the second positions of one corresponding second conductor unit for constructing another electrical conduction.