Backlight keyboard and structure thereof

  • US 9,176,272 B2
  • Filed: 02/05/2014
  • Issued: 11/03/2015
  • Est. Priority Date: 02/06/2013
  • Status: Active Grant
First Claim
Patent Images

1. A backlight keyboard structure comprising:

  • a light guide plate comprising an opening portion, and the light guide plate guiding a light;

    a keyboard frame comprising a fixing portion; and

    a base plate adjacent to the light guide plate and disposed between the keyboard frame and the light guide plate, the base plate having a through hole and an indentation portion surrounding the through hole;

    wherein the opening portion, the through hole and the fixing portion are disposed correspondingly, the indentation portion extends toward the opening portion of the light guide plate, so that the indentation portion shields the light emitted from the light guide plate and reduces the light entering the through hole.

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