Light emitting keyboard and lighting board thereof

A lighting board for providing light to a plurality of keyswitches on a keyboard, the lighting board comprising:

• a flexible substrate having at least one first hole;
• a plurality of multiple-light emitting diodes corresponding to the plurality of keyswitches respectively for generating light to be incident to the plurality of keyswitches;
• a first silver-paste circuit layer having a plurality of first circuits, the plurality of first circuits being formed on an upper surface of the flexible substrate;
• a second silver-paste circuit layer having a plurality of second circuits, the plurality of second circuits being formed on a lower surface of the flexible substrate;
• a via pillar formed in the at least one first hole to be coupled to at least one of the plurality of first circuits and at least one of the plurality of second circuits;
• a copper layer plated on the first silver-paste circuit layer and the second silver-paste circuit layer;
• and
• a first protection layer coated on the copper layer, the first protection layer having a plurality of second holes respectively corresponding to the plurality of keyswitches and respectively corresponding to the copper layer plated on the first silver-paste circuit layer, each multiple-light emitting diode being disposed on the copper layer plated on the first silver-paste circuit layer through the corresponding second hole to be coupled to the plurality of first circuits.

A light emitting keyboard comprising:

• a bottom board;
• a plurality of keyswitches disposed on the bottom board, each keyswitch comprising:
• a cap;
• and
• a lifting mechanism disposed between the bottom board and the cap, the cap being movable upwardly and downwardly relative to the bottom board via the lifting mechanism;
• and
• a lighting board disposed between the bottom board and the plurality of keyswitches or under the bottom board, the lighting board comprising:
• a flexible substrate having at least one first hole;
• a plurality of multiple-light emitting diodes corresponding to the plurality of keyswitches respectively for generating light to be incident to the plurality of caps;
• a first high-conductive circuit layer having a plurality of first circuits, the plurality of first circuits being formed on an upper surface of the flexible substrate;
• a second high-conductive circuit layer having a plurality of second circuits, the plurality of second circuits being formed on a lower surface of the flexible substrate;
• a via pillar formed in the at least one first hole to be coupled to at least one of the plurality of first circuits and at least one of the plurality of second circuits;
• a high-conductive electroplating layer plated on the first high-conductive circuit layer and the second high-conductive circuit layer;
• and
• a first protection layer coated on the high-conductive electroplating layer, the first protection layer having a plurality of second holes respectively corresponding to the plurality of keyswitches and respectively corresponding to the high-conductive electroplating layer plated on the first high-conductive circuit layer, each multiple-light emitting diode being disposed on the high-conductive electroplating layer plated on the first high-conductive circuit layer through the corresponding second hole to be coupled to the plurality of first circuits.

A lighting board for providing light to a plurality of keyswitches on a keyboard, the lighting board comprising:

• a flexible substrate having at least one first hole;
• a plurality of multiple-light emitting diodes corresponding to the plurality of keyswitches respectively for generating light to be incident to the plurality of keyswitches;
• a first high-conductive circuit layer having a plurality of first circuits, the plurality of first circuits being formed on an upper surface of the flexible substrate;
• a second high-conductive circuit layer having a plurality of second circuits, the plurality of second circuits being formed on a lower surface of the flexible substrate;
• a via pillar formed in the at least one first hole to be coupled to at least one of the plurality of first circuits and at least one of the plurality of second circuits;
• a high-conductive electroplating layer plated on the first high-conductive circuit layer and the second high-conductive circuit layer;
• and
• a first protection layer coated on the high-conductive electroplating layer, the first protection layer having a plurality of second holes respectively corresponding to the plurality of keyswitches and respectively corresponding to the high-conductive electroplating layer plated on the first high-conductive circuit layer, each multiple-light emitting diode being disposed on the high-conductive electroplating layer plated on the first high-conductive circuit layer through the corresponding second hole to be coupled to the plurality of first circuits.