REFLECTION SHEET

PROBLEM TO BE SOLVED: To reduce lamp image when a reflection sheet is incorporated into a backlight.SOLUTION: There is provided a reflection sheet configured from two or more layers consisting of at least a surface layer part and an inner layer part, wherein the surface layer part contains at least...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SUETOMI TAKU, TAKASA KENJI, ARITO YUICHI, HAMAZAKI SHINYA, SHIGEMORI YUSUKE
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BLASTING 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 INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM LIGHTING MECHANICAL ENGINEERING NON-LINEAR OPTICS NON-PORTABLE LIGHTING DEVICES OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PERFORMING OPERATIONS PHYSICS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR SYSTEMS THEREOF TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF TRANSPORTING VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS WEAPONS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To reduce lamp image when a reflection sheet is incorporated into a backlight.SOLUTION: There is provided a reflection sheet configured from two or more layers consisting of at least a surface layer part and an inner layer part, wherein the surface layer part contains at least a thermoplastic resin (C), the inner layer part contains a thermoplastic resin (A) and at least one type of thermoplastic resin (B) that is incompatible with the thermoplastic resin (A), the thermoplastic resin (B) near the surface layer part of the inner layer part has a bar-like shape and is oriented in one direction, and a ratio Ds2/Ds1 between the length Ds2 in a direction B2 where the length of the thermoplastic resin (B) becomes maximum and the length Ds1 at a direction B1 orthogonal to the direction B2 in the reflection sheet surface is 3 or more.