Optical plate and light source module

An optical plate including a first surface, a second surface and a light incident surface is provided. The first surface includes a plurality of first microstructures and a plurality of second microstructures. The first microstructures protrude out of the optical plate with based on a reference plan...

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Bibliographische Detailangaben
Hauptverfasser:	LIU, CHANGNG, LIU, KUAN-WEN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	An optical plate including a first surface, a second surface and a light incident surface is provided. The first surface includes a plurality of first microstructures and a plurality of second microstructures. The first microstructures protrude out of the optical plate with based on a reference plane. The second surface is disposed opposite to the first surface. The light incident surface connects the first surface and the second surface. The optical plate is adapted to guide a light beam to enter the optical plate from the light incident surface, and the light beam leaves the optical plate from the first surface. The second microstructures are located on the first microstructures. The second microstructures protrude out of the optical plate with based on the first surface. Based on the reference plane, a largest protrusion height of the second microstructures is at least 2 micrometers larger than a largest protrusion height of the first microstructures.