OPTICAL COMPOSITE SHEET AND DISPLAY DEVICE INCLUDING THE SAME

To provide an optical composite sheet of which color deviation according to a viewing angle can be lowered, and a display device including the optical composite sheet.SOLUTION: An optical composite sheet 11 can exhibit an improved optical performance and color range since an optical absorption layer...

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Bibliographische Detailangaben
Hauptverfasser:	CHOE YONG JAE, KO JAE HO, CHO KYOO CHOONG, KIM TAE HUN
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ADVERTISING CRYPTOGRAPHY 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 DISPLAY DISPLAYING EDUCATION FREQUENCY-CHANGING LABELS OR NAME-PLATES NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS SEALS SIGNS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	To provide an optical composite sheet of which color deviation according to a viewing angle can be lowered, and a display device including the optical composite sheet.SOLUTION: An optical composite sheet 11 can exhibit an improved optical performance and color range since an optical absorption layer is inserted which selectively absorbs light in a specific wavelength band while optical functional elements such as prism sheets 210 and 220 and optical diffusion layers 310 and 320 are being complex. The optical composite sheet can effectively lower the color deviation according to a viewing angle since a specific mathematical expression is satisfied by the color transmittance at wavelengths measured according to different viewing angles.SELECTED DRAWING: Figure 3 【課題】見る角度による色偏差を下げられる光学複合シートおよびこれを含む表示装置を提供する。【解決手段】光学複合シート１１は、プリズムシート２１０．２２０、光拡散層３１０、３２０などの光学機能要素が複合化しながら特定波長帯域の光を選択的に吸収する光吸収層が挿入され、従来よりも光学性能および色域が向上され得る。特に、前記光学複合シートは、見る角度別に測定された波長による色透過率が特定数式を満足することにより、見る角度による色偏差を効果的に下げることができる。【選択図】図３