Light-emitting keyboard
AssigneeDarfon Electronics Corp.
InventorsChin-Hung Lin, Chao-Lung Chang
Life of this patent
Estimating the term…
Abstract
A light-emitting keyboard is disclosed, which comprises: a light guide plate, configured with a light entrance surface, a light emitting surface and a via hole; a light source, disposed next to the light entrance surface of the light guide plate; a frame, disposed on the light emitting surface of the light guide plate; an opaque material disposed on the via hole. With the aforesaid structure, light from the light source can be prevented from being emitting out from the via hole and thus can be evenly emitted out of the light guide plate.
Claims10
A light-emitting keyboard, comprising:
- a light guide plate, configured with a light entrance surface, a light emitting surface and a via hole in a manner that the light entrance surface is disposed next and connecting to the light emitting surface;
- a light source, disposed on light entrance surface of the light guide plate;
- a frame, disposed on the light emitting surface of the light guide plate;
- and
- an opaque material, disposed at a position corresponding on the via hole.
A light-emitting keyboard, comprising:
- a light guide plate, configured with a light entrance surface, a light emitting surface in a manner that the light emitting surface, being composed of a first light-emitting zone and a second light-emitting zone, is disposed next and connecting to the light entrance surface;
- a light source, disposed on the light entrance surface of the light guide plate;
- a frame, disposed on the light emitting surface of the light guide plate;
- and
- a light absorbing material, disposed on the light emitting surface at a position corresponding to the interface between the first light-emitting zone and the second light-emitting zone.
Dependencies are inferred from the claim text.