Patent ID: 7357560
Filing Date: 2008-04-15
Classification: G02B

Abstract:
1. A light guide plate locating construction includes a frame, a mask and a tube being disposed in the frame; a light guide plate being mounted at an opening end of the mask; streams of light emitted from the tube penetrating through the light guide plate and projected in the anticipated direction; a locating hole being disposed on the frame at where near to the opening end of the frame; a retainer being inserted and secured in the locating hole; the retainer including a locating portion and an interfering portion; the locating portion extending into the locating hole; the interfering portion extending from the locating portion facing the opening end of the mask; and the interfering portion holding against an edge of the light guide plate, wherein the locating portion and the interfering portion of the retainer are connected to each other by means of a connection portion, wherein the connecting portion is disposed in parallel with the frame and a slotted hole is disposed on the frame to accommodate the connecting portion.