研究目的
To compare the performance of hybrid color filters (using a combination of pigment and dye) with traditional pigment-based color filters in terms of transmittance, color gamut, and other optical properties for LCD applications.
研究成果
Hybrid color filters significantly improve transmittance (by 10-13% in C-light and 10-12% in backlight) and maintain or slightly enhance color gamut compared to pigment filters, making them suitable for high-PPI LCDs with small aperture ratios, such as 8K4K displays. This contributes to lower power consumption and better performance in wide-color-gamut products.
研究不足
The study is limited to specific backlight types (YAG and KSF) and standard color gamuts (sRGB and DCI-P3); other backlight technologies or color standards were not explored. Potential optimizations could include testing under varied environmental conditions or with different material compositions.
1：Experimental Design and Method Selection:
The study involved comparing hybrid and pigment color filters using simulation software and experimental measurements to assess transmittance, chromaticity coordinates, luminance, and color gamut in different backlight conditions (C-light and YAG/KSF BL).
2：Sample Selection and Data Sources:
Samples included color filters made from hybrid materials (pigment and dye) and traditional pigment materials, tested under standardized conditions for sRGB and DCI-P3 specifications.
3：List of Experimental Equipment and Materials:
Equipment included a spectroradiometer (SR-UL1R) for measurements, simulation software, and backlight sources (YAG and KSF phosphors). Materials involved pigment and dye-based color filters.
4：Experimental Procedures and Operational Workflow:
Emission spectra were measured for both filter types in C-light and backlight conditions. Chromaticity coordinates and luminance were calculated and compared using standardized methods (CIE 1931 color space).
5：Data Analysis Methods:
Data were analyzed to compute transmittance improvements, color gamut percentages, and deviations in chromaticity, using statistical comparisons and graphical representations.
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