BEAD FOR LIGHT DIFFUSION PLATE AND LIGHT DIFFUSION PLATE

PROBLEM TO BE SOLVED: To provide beads giving a light diffusion plate having equal or higher light diffusing performance and higher luminance as compared with a light diffusion plate given by conventional light diffusing beads. SOLUTION: The beads have 17.0-22.0 μm average particle diameter and a pe...

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Hauptverfasser:	SAKAI HIROTAKA, KOBAYASHI HISAFUMI, KISHIDA YASUMICHI, TANAKA SHUNSAKU
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING METALLURGY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS ORGANIC MACROMOLECULAR COMPOUNDS PHYSICS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide beads giving a light diffusion plate having equal or higher light diffusing performance and higher luminance as compared with a light diffusion plate given by conventional light diffusing beads. SOLUTION: The beads have 17.0-22.0 μm average particle diameter and a peculiar particle size distribution in which centrally located beads of 20.0-25.4 μm occupy 27-33 wt.%.