公开(公告)号：US20030103359A1

公开(公告)日：2003-06-05

申请号：US10305523

申请日：2002-11-26

Applicant: DARFON ELECTRONICS CORP.

Inventor： Chih-Hsiang Chiang ,  Liang-Ta Yeh

IPC: G02B005/02 ,  F21V008/00

CPC classification number: G02B6/0068 ,  G02B6/0005 ,  G02B6/0081 ,  H01H3/125 ,  H01H2219/018 ,  H01H2219/044 ,  H01H2219/056 ,  H01H2219/06 ,  H01H2219/062 ,  H01H2219/0621

Abstract: An illuminated keyboard. The illuminated keyboard comprises a key switch, a backlight device, a light-condensing plate, a diffuser, a printed circuit board, and a light source. The key switch includes a seat and a cap, and the cap is disposed on the seat in a moveable manner. The backlight device is disposed beneath the key switch to illuminate the key switch. The light-condensing plate is disposed between the light guide and the key switch. The diffuser is disposed between the light guide and the key switch. The printed circuit board is disposed between the seat and the backlight device. The light source is disposed on the printed circuit board.

Abstract translation: 一个照亮的键盘。 照明键盘包括按键开关，背光装置，聚光板，漫射器，印刷电路板和光源。 钥匙开关包括座椅和帽子，帽子以可移动的方式设置在座椅上。 背光装置设置在钥匙开关下方以照亮钥匙开关。 聚光板设置在光导和钥匙开关之间。 扩散器设置在光导和钥匙开关之间。 印刷电路板设置在座椅和背光装置之间。 光源设置在印刷电路板上。