LIGHT DIFFUSION PLATE, COMPOSITION LIQUID FOR FORMING A LIGHT DIFFUSION LAYER AND PROCESS FOR PRODUCING LIGHT DIFFUSION PLATE

A conventional light diffusion plate provided in a direct type backlight unit to be employed for e.g. a liquid crystal display, has problems in that it does not have a sufficient diffusion performance, it is difficult to increase the size, and it is difficult to produce such a light diffusion plate...

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Bibliographische Detailangaben
Hauptverfasser:	INOKUMA HISAO, TAKAKI SATORU
Format:	Patent
Sprache:	eng
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL BLASTING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 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 FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF HEATING LIGHTING MECHANICAL ENGINEERING METALLURGY NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SPRAYING OR ATOMISING IN GENERAL STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	A conventional light diffusion plate provided in a direct type backlight unit to be employed for e.g. a liquid crystal display, has problems in that it does not have a sufficient diffusion performance, it is difficult to increase the size, and it is difficult to produce such a light diffusion plate at low cost. A light diffusion plate comprising a glass substrate and a light diffusion layer formed on the glass substrate, wherein the light diffusion layer comprises a matrix and a light diffusion agent, the absolute value Deltan of the refractive index difference between the matrix and the light diffusion agent is 0.05 or more and less than 0.5, and the volume ratio of the light diffusion agent in the light diffusion layer is 30% or more.