VIEWING ANGLE COMPENSATION FILM, POLARIZING PLATE COMPRISING SAME, AND DISPLAY DEVICE COMPRISING SAME

The present specification relates to a viewing angle compensation film, a polarizing plate comprising the same, and a display device comprising the same, and the viewing angle compensation film comprises: a pattern layer; and a low refractive layer, in which a difference in refractive index between...

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Bibliographische Detailangaben
Hauptverfasser:	HONG, Kyungki, BAE, Sunghak, KIM, Youngjin, KIM, Byung Mook, CHANG, Do Ki, LEE, Dae Hee, HAN, Sangcholl
Format:	Patent
Sprache:	eng ; fre ; ger
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:	The present specification relates to a viewing angle compensation film, a polarizing plate comprising the same, and a display device comprising the same, and the viewing angle compensation film comprises: a pattern layer; and a low refractive layer, in which a difference in refractive index between the pattern layer and the low refractive layer is 0.02 to 0.4, the pattern layer comprises: a first surface which comprises a flat surface; and a second surface which faces the first surface and comprises multiple protruding portions, each of the protruding portions comprises a first inclined surface and a second inclined surface, an angle θ1 between the first surface and the first inclined surface or a surface extending from the first inclined surface and an angle θ2 between the first surface and the second inclined surface or a surface extending from the second inclined surface are different from each other, and an angle θ between the first inclined surface or the surface extending from the first inclined surface and the second inclined surface or the surface extending from the second inclined surface is 20° to 60°, such that there is an effect of improving a contrast ratio and a viewing angle.