Patent ID: 9299516
Filing Date: 2016-03-29
CPC Classification: H01H

Claim Text:
1. A luminous keyboard device, comprising: a keypad module exposed to a top surface of said luminous keyboard device; a supporting plate located under said keypad module and connected with said keypad module for supporting said keypad module, wherein said supporting plate comprises a first supporting plate opening and a second supporting plate opening; an illumination circuit board located near said supporting plate for providing electric power; a first light-emitting element disposed on a top surface of said illumination circuit board, wherein in response to said electric power, said first light-emitting element emits a first color light beam; a second light-emitting element disposed on a bottom surface of said illumination circuit board, wherein in response to said electric power, said second light-emitting element emits a second color light beam; a first light guide plate arranged between said keypad module and said supporting plate for guiding said first color light beam to be directed to a first light-outputting zone of said keypad module; and a second light guide plate located under said supporting plate for guiding said second color light beam to be directed to a second light-outputting zone of said keypad module through said first supporting plate opening, wherein when said first color light beam is guided by said first light guide plate to be projected on a third light-outputting zone of said keypad module and when said second color light beam is guided by said second light guide plate to be projected on said third light-outputting zone through said second supporting plate opening, said first color light beam and said second color light beam projected on said third light-outputting zone are mixed as a third color light beam.