Light guide plate with light diffusing structure, backlight module and liquid crystal display using same
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United States of America Patent
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N/A
Issued Date -
Jun 26, 2008
app pub date -
Dec 21, 2007
filing date -
Dec 22, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An exemplary light guide plate (21) includes a main body (25) and a protrusion (26). The main body includes a plurality of side surfaces. At least one of the side surfaces is a reflective side surface. The protrusion extends from one of the side surfaces. The protrusion includes a light incident side surface (261) and a reflective side surface (263). The main body defines a light emitting area (27). Incident light beams emitted from the light incident side surface of the protrusion are reflected by the reflective side surfaces of the main body and the protrusion once or more than once. Thereby, the reflective light beams have a divergence angle larger than a divergence angle of the incident light beams. The reflective light beams are transmitted to the light emitting area of the main body and are converted into flat light therein.
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