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- In cathode ray tube display, the continuation of light emission from phosphor after excitation by the electron beam. 在阴极射线管显示器中,用电子束激励后荧光物质光发射的持续现象。
- Low drive current. High intensity of light emission. 驱动电流低,发光强度高。
- The reason is a fundamental one associated with the mechanism of light emission. 其基本原因涉及到光发射的机理。
- In cathode raytube display, the continuation of light emission from phosphor after excitation by the electron beam. 在阴极射线管显示器中,用电子束激励后荧光物质光发射的持续现象。
- The decay curves of the delay light emission (DLE) showed two phases: fast phase which lasted for about ten seconds and slow phase which lasted for about several minutes. 这延迟发光的衰减曲线包含两个相:持续十秒左右的快速相和持续数分钟的慢速相。
- OLED panels help prevent light emission when reproducing dark shades, resulting in very deep blacks and a contrast ratio of more than 1,000,000:1. 在还原暗部区域时,OLED面板可防止光线的干扰,还原出逼真的黑色以及高达1,000,000:1以上的对比度。
- This condition effectively relaxes the momentum conservation requirement governing electron-photon energy transfer, which boosts the rate of light emission by the semiconductor. 运用这种现象将可突破电子与光子交换能量时的动量守恒限制,大幅提高半导体的发光效率。
- Finally,light emission from porous Si, integration of Si-based LED with Si BJT,and hybrid integration of Si-based VCSEL with micro-lenses are also briefly discussed. 同时还对多孔Si 发光、Si 基发光二极管(LED) 与Si 双极晶体管(BJT) 集成、Si 基上垂直腔面发射激光器(VCSEL) 与微透镜的混合集成作了简要的介绍。
- Small inorganic crystals can withstand significantly more cycles of excitation and light emission than can typical organic molecules, which soon decompose. 小型无机晶体可以耐受更多次的激发与放出光线,不像一般的有机分子很快就分解了。
- Photoluminescence spectra and photoluminescence excitation spectra for the light emission of around 2.25 eV from undoped and C doped GaN films grown by HVPE are measured. 测量了氢化物气相外延方法生长的非特意掺杂和掺碳GaN外延膜的光致发光谱 ;并在光致发光谱峰位2 .;2 5eV(5 5 0nm)附近分别测量了光致发光激发谱;对两者进行了比较
- By using different organic materials, people have light emission of different colors, low molecular weight materials become the "star" materials in organic electro-luminescent. 人们用不同结构的有机材料制备了不同发光颜色的电致发光显示器件。 有机小分子材料具有结构确定、易修饰处理、发光颜色可调以及制膜技术成熟等优点,一举成为电致发光器件中材料“明星”。
- Such devices, which would be much cheaper than conventional LEDs composed of gallium nitride or gallium arsenide, are currently held back by their low rates of light emission. 这类装置的价格会比氮化镓或砷化镓制成的传统LED便宜许多,但是目前的发展仍然受限于发光效率过低。
- Although silicon is an indirect semiconductor, light emission from silicon is governed by the same generalized Planck's radiation law as the emission from direct semiconductors. 虽然硅是一种非直接跃迁半导体,但它的发光机制同样服从于直接跃迁半导体的广义普朗克辐射定律。
- Light emission from the plasma in laser welding of zinc-coated plates when there appeared pinhole in the weld were analysised on magnitude and frequency ranges. 对镀锌板激光拼焊过程中焊缝上出现孔洞时的等离子体光信号进行了幅域和频域分析。
- The emission of visible light by a hot object. 白热光物体遇热发出可见光
- The photolumescence( PL) spectrum of modified Si nanoparticles was changed since the protective agent had modified the surface states, thus altering the light emission characteristics. 奈米矽粉的光激发光光谱因保护剂之包覆,改变其发光机制而改变光谱峰。
- I groped for the light switch in the dark room. 我在黑暗的房间里摸索着找电灯开关。
- It was found that external AC electrical field could affect the intensities of two components of the ms DLE (millisecond delayed light emission) induction curve in spinach chloroplasts differently. 外加交变电场,对ms DLE诱导动力学的两个组分有不同的影响。
- The characteristics of the delayed light emission (DLE) which is emitted from green plants several seconds after excitation can be used to evalute and grade fruits and vegetables according to their maturity and color nondestructively. 利用植物受光辐射后存在短暂、微弱的延迟发光特性(DLE),可对果蔬按成熟度及颜色等内,外品质进行无损检测和分级。
- The threshold voltage of the hybrid devices is about 7 V and the maximum luminace is about 62.1 cd/m~2 with the CIE coordinates of X=0.303,Y=0.32.This result shows that organic-inorganic heterostructure may be a new way to obtain white light emission. 器件的起亮电压约7V;最大发光亮度约62.;1cd/m2;色坐标为:X=0