混合液晶测试方法 编制说明

1混合液晶材料是电子信息显示产业的重要材料，是目前主流LCD显示面板中的关键健全标准化技术体系，提升上下游企业合作深度，有任务。2023年12月至2024年8月，标准编制小组在石家庄诚志永华显示材量数据进行分析，及时召开会议总结调研结果，部署下一步工作计划。根据前期的调研、22.1适用性原则：根据国内各液晶材料厂家实际生产的具体情况和显示面板用户的需求2.3查阅相关标准和国内外客户的相关技术要求并收集了江苏和成显示科技有限公司、属离子含量和反应性单体含量，均用于表征影响液晶材液晶材料的可靠性决定了其适配显示面板历经不同恶化条件后维持面板正常显示的3度类项目测试结果满足实验室内变异系数要求（参考GB/T27417合格评定化学方法确测试项样本测试次数均值RSD精密度要求123456纯度（%）A99.99099.99299.98799.98999.98799.98799.9890.002%RSD≤0.5%B99.98899.98999.98499.99399.98999.98999.9890.003%C99.99199.99199.98899.98999.98999.98599.9890.002%易挥发分（%）A0.00180.00200.00190.00270.00270.00260.002318.7%RSD≤20%B0.00260.00250.00210.00230.00260.00270.00259.1%C0.00310.00320.00300.00310.00340.00300.00314.8%水分含量（mg/kg）A9816.9%RSD≤20%B206.4%C8.3%颗粒物≥0.5μm（个/mL）A1101100.7极差=1极差≤5B1110000.5极差=1C0100000.2极差=1颗粒物≥1.0μm（个/mL）A0100000.2--B0100000.2-C0100000.2-颗粒物≥2.0μm（个/mL）A0100000.2--B0100000.2-C0100000.2-颗粒物A0000000--4≥5.0μm（个/mL）B0000000-C0000000-金属离子浓度(μg/kg）A9.810.19.510.210.49.710.03.4%RSD≤10%B7.68.08.27.77.17.27.65.7%C0.320.330.300.280.260.270.309.6%RM含量（mg/kg）A31853187318831863185318631860.04%RSD≤B31863189318631823182318431850.09%C31813183318231823183318331820.03%清亮点 DSC法A73.974.174.074.074.074.174.00.1%RSD≤B74.074.174.074.074.074.074.00.1%C74.074.174.174.374.274.274.20.1%清亮点 熔点法D89.789.690.090.789.989.689.90.5%RSD≤3%E121.8122.5122.0121.6122.2122.4122.10.3%F80.580.980.780.680.580.980.70.2%体积粘度（mPa·s）A13.914.013.914.114.014.014.00.5%RSD≤B16.116.016.015.816.015.916.00.6%C18.418.218.218.318.418.018.30.8%密度（g/cm3）A0.999980.999941.000021.000020.999991.000011.000.003%RSD≤0.05%B0.983290.983380.983330.983400.983260.983470.980.008%C1.006741.006671.006551.006781.006501.006471.010.013%弹性常数（pN）A15.415.415.515.515.615.415.470.5%RSD≤3%B11.411.511.511.411.311.411.420.7%C14.114.314.314.214.314.414.270.7%旋转粘度（mPa·s）A88.4089.9190.3188.3089.7988.2789.161.1%RSD≤10%B92.7991.5091.3992.8291.7892.3492.100.7%C95.9596.1296.6695.1995.2495.0595.700.7%光学各向异性A0.10010.10010.10020.10000.09990.10020.10.1%RSD≤3%B0.11450.11440.11450.11430.11450.11450.10.1%C0.11810.11800.11810.11790.11800.11810.10.1%介电各向异性A-10.7-11.0-10.8-10.6-10.9-10.8-10.8-1.3%RSD≤10%B-5.4-5.6-5.5-5.4-5.3-5.6-5.5-2.2%C-4.7-4.9-4.6-4.8-4.7-4.6-4.7-2.5%阈值电压（V）A2.512.502.532.542.522.502.50.6%RSD≤3%B1.531.521.541.511.521.520.7%C1.751.771.761.781.741.770.8%饱和电压（V）A3.483.463.483.443.453.473.50.5%RSD≤3%B2.202.162.182.172.202.192.20.7%C2.502.532.522.512.552.542.50.7%电阻率-TFTA15.816.315.415.017.116.116.04.6%RSD≤51013Ω·cm）B28.024.625.226.627.125.226.15.1%30%C50.048.947.849.847.549.648.92.2%电阻率-普通液晶(×1010Ω·cm）D17.216.115.815.615.415.315.94.4%RSD≤30%E27.824.621.618.619.518.122.118.5%F115.988.376.175.774.373.584.019.7%电压保持率（%）A99.7299.7299.7399.7499.7499.7399.70.01%RSD≤3%B99.7399.7499.7599.7499.7499.7399.70.01%C99.7599.7499.7699.7599.7399.7399.70.01%离子密度A36.72.2%RSD≤2