LIGHT-EMITTING MODULE, SURFACE LIGHT SOURCE, AND LIQUID-CRYSTAL DISPLAY DEVICE

LIGHT-EMITTING MODULE, SURFACE LIGHT SOURCE, AND LIQUID-CRYSTAL DISPLAY DEVICE

Darkening of the periphery of a light-emitting module in which a plurality of light-emitting units are two-dimensionally arranged is reduced.The present light-emitting module has a light-emitting region including a plurality of light-emitting units two-dimensionally arranged, the light-emitting unit...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KATSUMATA, Toshinobu, EMURA, Keiji
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
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
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
FREQUENCY-CHANGING
NON-LINEAR OPTICS
OPTICAL ANALOGUE/DIGITAL CONVERTERS
OPTICAL LOGIC ELEMENTS
OPTICS
PHYSICS
SEMICONDUCTOR DEVICES
TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:Darkening of the periphery of a light-emitting module in which a plurality of light-emitting units are two-dimensionally arranged is reduced.The present light-emitting module has a light-emitting region including a plurality of light-emitting units two-dimensionally arranged, the light-emitting units each including a light-guiding plate having a first main surface, a first recess opening toward the first main surface, a second main surface opposite to the first main surface, and a second recess opening toward the second main surface; a light source inside the first recess; and a light-reflective first member inside the second recess. In each of the light-emitting units, a center of the light-emitting unit and a center of the second recess coincide with an optical axis of the light source in a plan view. In at least one of the light-emitting units, a center of the first member is closer to a center of the light-emitting region than the optical axis of the light source is in a plan view.