基于前光模组的反射式液晶显示视角OACSTPCD
Viewing angle of reflective liquid crystal display based on front light module
反射式液晶显示具有功耗低、绿色环保的优点.但由于没有增亮膜等光学膜系对视角进行调控,常见的网点形貌下视角曲线存在跳变、不均匀等问题.为了改善反射式液晶显示的视角问题,本文建立了反射式液晶模组仿真模型进行探究.首先,分析了前光模组存在的视角问题.接着,以圆锥形和圆台形网点为例分析了网点形貌对视角的影响,并提出棱柱形网点以改善视角.仿真结果表明,棱柱形网点可以有效解决垂直于入射光方向±35°视角的曲线跳变及不均匀问题,且将视角中心亮度相比于圆锥形网点提升了52.3%.本研究对反射式液晶显示设备的视角设计具有重要参考意义.
Reflective liquid crystal display(LCD)has the advantages of low power consumption and green environmental protection.However,due to the lack of optical films such as brightness enhancement film to modulate the viewing angle,the viewing angle curve under the common dot morphology has problems such as jump and unevenness.In order to improve the viewing angle of reflective liquid crystal display,a simulation model of reflective liquid crystal module is established to explore.Firstly,the viewing angle problems of the front light module are analyzed.Then,the influence of the dot morphology of the dots on the viewing angle is analyzed by taking the conical and truncated cone dots as examples.The prismatic dots are proposed to improve the viewing angle.The simulation results show that the prismatic dots can effectively solve the problem of±35° angle curve jumping and unevenness perpendicular to the direction of incident light,and the brightness of the center of the viewing angle is increased by 52.3%compared with the conical dot.This study has important reference significance for the perspective design of reflective liquid crystal display devices.
李可敬;李香君;俞良;许启民;吕国强;王梓;冯奇斌
合肥工业大学 仪器科学与光电工程学院,安徽 合肥 230009芜湖长信科技有限公司,安徽 芜湖 241007合肥工业大学 光电技术研究院,安徽 合肥 230009
计算机与自动化
前光模组网点形貌导光板视角
front light moduledot morphologylight guide plateviewing angle
《液晶与显示》 2024 (001)
25-31 / 7
安徽省科技重大专项(No.202203A05020028)Supported by Anhui Provincial Science and Technology Major Special Project(No.202203A05020028)
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