OPTICAL COMPOSITE SHEET AND DISPLAY APPARATUS COMPRISING SAME
In an optical composite sheet according to an embodiment, a light absorbing agent that absorbs light in a specific wavelength band is added to a prism pattern layer while optical functional elements such as a prism sheet and a light diffusion layer are combined. So, a color gamut can be improved eve...
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Zusammenfassung: | In an optical composite sheet according to an embodiment, a light absorbing agent that absorbs light in a specific wavelength band is added to a prism pattern layer while optical functional elements such as a prism sheet and a light diffusion layer are combined. So, a color gamut can be improved even with a simpler manufacturing process than before, and a decrease in luminance due to light absorption can be minimized. In addition, by controlling the composition of the prism pattern layer, it is possible to prevent deterioration of the light absorbing agent due to UV curing and secure optical properties and mechanical properties.
일 구현예에 따른 광학 복합 시트는 프리즘 시트, 광 확산층 등의 광학 기능 요소들이 복합되면서 특정 파장 대역의 광을 흡수하는 광 흡수제를 프리즘 패턴층에 첨가함으로써, 종래보다 단순한 제조 공정으로도 색 영역을 향상시키면서도 광 흡수에 따른 휘도 저하가 최소화될 수 있다. 또한 프리즘 패턴층의 조성을 조절하여 UV 경화에 따른 광 흡수제의 열화를 방지하면서 광학적 특성과 기계적 특성을 확보할 수 있다. |
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