Backlight module and display device

The invention relates to a backlight module and a display device. The backlight module comprises a light source; the light guide plate is arranged on one side of the light source and is provided with a first optical surface and a second optical surface; the first prism diaphragm is provided with a f...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WENG JINTING, ZHENG JIAFEI, ZHANG JIAYIN
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 ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	The invention relates to a backlight module and a display device. The backlight module comprises a light source; the light guide plate is arranged on one side of the light source and is provided with a first optical surface and a second optical surface; the first prism diaphragm is provided with a first incident surface and a first emergent surface, the first emergent surface is provided with a first prism angle, the first prism angle is formed by a first side surface and a second side surface, a first included angle formed by the first side surface and the first incident surface is larger than a second included angle formed by the second side surface and the first incident surface, and the first included angle and the second included angle are not obtuse angles; the second prism diaphragm is provided with a second light emergent surface and a second light incident surface, and the second light emergent surface is provided with a second prism angle; the first light incident surface of the first prism diaphrag