公开(公告)号：US20170242493A1

公开(公告)日：2017-08-24

申请号：US15436099

申请日：2017-02-17

Applicant: COOLER MASTER TECHNOLOGY INC.

Inventor： Chung-Wei YANG

IPC: G06F3/02 ,  F21V19/00 ,  F21V23/06

CPC classification number: G06F3/0202 ,  F21V19/0015 ,  F21V23/06 ,  F21Y2115/10 ,  H01H13/83 ,  H01H2219/062

Abstract: A keyboard includes a circuit board having an upper surface, a lower surface opposite to the upper surface, and a plurality of cut-out portions, a plurality of key modules positioned on the upper surface and over the plurality of cut-out portions, and a plurality of light sources installed on the lower surface of the circuit board, wherein at least a portion of at least one light source is positioned in a corresponding cut-out portion. Each light source includes a light emitting portion coupled to the second circuit layer. At least some of the light emitting portion is disposed in the cut-out portion beneath and bounded by the key module.

公开(公告)号：US20190339788A1

公开(公告)日：2019-11-07

申请号：US16512064

申请日：2019-07-15

Applicant: COOLER MASTER TECHNOLOGY INC.

Inventor： Chung-Wei YANG

IPC: G06F3/02 ,  H01H13/83 ,  F21V23/06 ,  F21V19/00

Abstract: A keyboard includes a circuit board having an upper surface, a lower surface opposite to the upper surface, and a plurality of cut-out portions, a plurality of key modules positioned on the upper surface and over the plurality of cut-out portions, and a plurality of light sources installed on the lower surface of the circuit board, wherein at least a portion of at least one light source is positioned in a corresponding cut-out portion. Each light source includes a light emitting portion coupled to the second circuit layer. At least some of the light emitting portion is disposed in the cut-out portion beneath and bounded by the key module.