BACKLIGHT ASSEMBLY

A reflective polarizer of the present invention comprises a plurality of groups which are formed to be integrated and have different average optical thicknesses, and therefore, a separate adhesive layer and/or a protective layer are/is not included in a core layer and between the core layer and a sk...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HAN, JUNG WAN, BAEK, MYEONG KI, KO, SEUNG JIN, CHO, DUK JAE, LEE, HWANG KYU
Format:	Patent
Sprache:	eng ; kor
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:	A reflective polarizer of the present invention comprises a plurality of groups which are formed to be integrated and have different average optical thicknesses, and therefore, a separate adhesive layer and/or a protective layer are/is not included in a core layer and between the core layer and a skin layer, thereby advantageously maximizing optical material properties in a limited thickness as well as remarkably reducing manufacturing costs. Furthermore, due to the groups formed to have different average optical thicknesses, all S waves of a visible ray wavelength region can be reflected. Moreover, polymer of a base has a plate shape, and therefore, the present invention may achieve excellent optical material properties even in case of including the very small number of double refraction polymers compared to a reflective polarizer including the existing double refraction polymer based on the same area. In addition, the reflective polarizer of the present invention may have very high polarization degree.