Balancing high display performance with energy efficiency is crucial for global sustainability.Lowering operating frequencies—such as enabling 1 Hz operation in fringe-field switching(FFS)liquid crystal displays—red...Balancing high display performance with energy efficiency is crucial for global sustainability.Lowering operating frequencies—such as enabling 1 Hz operation in fringe-field switching(FFS)liquid crystal displays—reduces power consumption but is hindered by image flicker.While negative dielectric anisotropy liquid crystals(nLCs)mitigate flicker,their high driving voltages and production costs limit adoption.Positive dielectric anisotropy liquid crystals(pLCs)offer lower operating voltages,faster response times,and broader applicability,making them a more viable alternative.This study introduces a novel approach to minimizing flexoelectric effects in pLCs by investigating how single components influence flexoelectric behavior in mixtures through an effective experimental methodology.Two innovative measurement techniques—(1)flexoelectric coefficient difference analysis and(2)displacement-current measurement(DCM)—are presented,marking the first application of DCM for verifying flexoelectric effects.The proposed system eliminates uncertainties associated with previous methods,providing a reliable framework for selecting liquid crystal components with minimal flexoelectric effects while preserving key electro-optic properties.Given pLCs'higher reliability,lower production costs,and broader material selection,these advancements hold significant potential for low-power displays.We believe this work enhances flexoelectric analysis in nematic liquid crystals and contributes to sustainable innovation in the display industry,aligning with global energy-saving goals.展开更多
随着显示产业的发展,消费者对高清动态画面流畅清晰度的需求日益增长,高刷新率屏幕已逐渐成为市场衡量中高端电视产品的重要标准。为了更好地满足这一需求,应用高刷新率的显示屏幕成为有效方案。然而,全高刷方案将带来硬件成本的大幅提...随着显示产业的发展,消费者对高清动态画面流畅清晰度的需求日益增长,高刷新率屏幕已逐渐成为市场衡量中高端电视产品的重要标准。为了更好地满足这一需求,应用高刷新率的显示屏幕成为有效方案。然而,全高刷方案将带来硬件成本的大幅提升,导致许多消费者望而却步。在此背景下,倍频技术应运而生,成为平衡成本与性能的关键技术路径。当前主流的倍频技术有双线栅极(Dual Line Gate,DLG)和硬件超分辨率(Hardware Super Resolution,HSR)两种方案。剖析两种倍频技术方案的原理、差异及其在电视显示中的应用方案,探讨二者适用的应用场景,并展望其未来可能的发展方向,以期为消费者选购决策及产业技术优化提供参考。展开更多
基金supported by Basic Science Research Program through the National Research Foundation(NRF)of Korea,funded by the Ministry of Science and ICT(MSIT),Korea[2022R1A2C2091671]by ITECH R&D Program of MOTIE/KEIT(Ministry of Trade,Industry&Energy/Korea Evaluation Institute of Industrial Technology)[20016808].
文摘Balancing high display performance with energy efficiency is crucial for global sustainability.Lowering operating frequencies—such as enabling 1 Hz operation in fringe-field switching(FFS)liquid crystal displays—reduces power consumption but is hindered by image flicker.While negative dielectric anisotropy liquid crystals(nLCs)mitigate flicker,their high driving voltages and production costs limit adoption.Positive dielectric anisotropy liquid crystals(pLCs)offer lower operating voltages,faster response times,and broader applicability,making them a more viable alternative.This study introduces a novel approach to minimizing flexoelectric effects in pLCs by investigating how single components influence flexoelectric behavior in mixtures through an effective experimental methodology.Two innovative measurement techniques—(1)flexoelectric coefficient difference analysis and(2)displacement-current measurement(DCM)—are presented,marking the first application of DCM for verifying flexoelectric effects.The proposed system eliminates uncertainties associated with previous methods,providing a reliable framework for selecting liquid crystal components with minimal flexoelectric effects while preserving key electro-optic properties.Given pLCs'higher reliability,lower production costs,and broader material selection,these advancements hold significant potential for low-power displays.We believe this work enhances flexoelectric analysis in nematic liquid crystals and contributes to sustainable innovation in the display industry,aligning with global energy-saving goals.
文摘随着显示产业的发展,消费者对高清动态画面流畅清晰度的需求日益增长,高刷新率屏幕已逐渐成为市场衡量中高端电视产品的重要标准。为了更好地满足这一需求,应用高刷新率的显示屏幕成为有效方案。然而,全高刷方案将带来硬件成本的大幅提升,导致许多消费者望而却步。在此背景下,倍频技术应运而生,成为平衡成本与性能的关键技术路径。当前主流的倍频技术有双线栅极(Dual Line Gate,DLG)和硬件超分辨率(Hardware Super Resolution,HSR)两种方案。剖析两种倍频技术方案的原理、差异及其在电视显示中的应用方案,探讨二者适用的应用场景,并展望其未来可能的发展方向,以期为消费者选购决策及产业技术优化提供参考。
