Luminous keyboard and its light source light board

Abstract

The invention discloses a luminous keyboard, which comprises a base plate, a plurality of keys and a light source lamp plate. The light source light board is arranged between the base plate and the keys or under the base plate and includes a flexible circuit substrate with a first through hole, a plurality of multi-color light-emitting diodes corresponding to a plurality of keys, first and second silver paste circuit layers, conductive Column, copper plating layer and first protective layer. The first and second silver paste circuit layers are respectively formed on the upper and lower surfaces of the flexible circuit substrate. The conductive column is formed in the first through hole to electrically connect the first and second silver paste circuit layers. The copper plating layer is plated on the first and second silver paste circuit layers. The first protection layer is coated on the copper plating layer and has a plurality of second through holes, and the multi-color light-emitting diodes are arranged on the copper plating layer plated on the first silver paste circuit layer through the second through holes to electrically connect the first Silver paste circuit layer. The invention can solve the problem that the plate thickness of the light-emitting diode circuit board is difficult to reduce and is not conducive to the thin design of the light-emitting keyboard.

Description

technical field [0001] The present invention relates to a luminous keyboard and its light source lamp board, in particular to a luminous keyboard and its light source lamp board with light source lamp boards with silver paste circuit layers formed on the upper and lower surfaces of a flexible circuit substrate. Background technique [0002] Generally speaking, in order to make the keyboard have the function of lighting the keys, the current common design is to directly configure the LED circuit board with a plurality of LEDs corresponding to each key on the keyboard bottom plate, whereby the LEDs can emit light to the corresponding Corresponding keycaps can produce key lighting effects. In addition, this design can also use the integrated circuit control chip on the LED circuit board to control the lighting of each LED in the form of electrical transmission, so that the keyboard can have more changes. Button glow visual effect. [0003] However, because the circuit substrat...

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Problems solved by technology

[0003] However, because the circuit substrate used in the LED circuit board with the integrated circuit control chip is usually made of hardened resin material with high material cost due to the consideration of the process yield, the above design will not only cause defects in the LED circuit board. The thickness of the board is not easy to reduce, which is not conducive to the thin design of the keyboard, and will also lead to high manufacturing costs of the LED circuit board

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