Luminous keyboard having plural light guide covers corresponding to key structures
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United States of America Patent
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Feb 20, 2018
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app pub date -
Mar 15, 2017
filing date -
Dec 9, 2016
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Abstract
A luminous keyboard includes a membrane wiring board, plural key structures, and plural light-emitting elements and plural light guide covers corresponding to the plural key structures. Each key structure includes a keycap and an elastic element. Each light guide cover is disposed under the corresponding keycap and surrounds the corresponding elastic element. Each light guide cover receives plural light beams from the corresponding light-emitting element. The plural light beams are guided to the corresponding keycap by the light guide cover and outputted from plural light-transmissible regions of the corresponding keycap. Consequently, the plural light-transmissible regions have uniform luminous efficacy.
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