1.LED英文文献
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2.LED英文文献
under normal circumstances, led light-emitting wavelength with temperature change for the 0.2-0.3nm / ℃, spectral width increases, the impact of color brightness. in addition, when positive current flows through the pn junction, fever, loss of end zone so that have a temperature rise, at room temperature near the temperature rise 1 ℃, led luminous intensity of a corresponding decrease of about 1%, cooling package; when maintaining color purity and luminous intensity is very important, in the past, the use of its drive to reduce the current approach to reduce the junction temperature, the majority of led drive current limit of about 20ma. however, led light output increases with increasing current, at present, a lot of power type led drive current can reach 70ma, 100ma or 1a level, the need to improve the package structure, a new design led package and low thermal resistance package structure and technology, to improve the thermal characteristics. for example, the use of large-area flip-chip structure, thermal properties of a good selection of silver plastic, metal stents increase the surface area of the silicon carrier solder bump directly installed in the upper heat sink method. in addition, in the application design, pcb circuit board, such as the thermal design, thermal performance is also very important. into the 21st century, led-based high-performance, ultra-high brightness, and the continuous development of innovative panchromatic, red, orange led luminous efficiency has reached 100im / w, green led for the 501m / w, the luminous flux led alone also reached tens of im. led chip and package is no longer along the gong traditional design and manufacture production patterns, increasing the chip's light output, the r & d is not limited to material changes in the number of impurities, lattice defects and dislocation to improve internal efficiency and at the same time, how die and package to improve the internal structure,。
3.LED智能节能照明控制系统的设计 的外文翻译
已在过去几年的高功率LED巨大进步,现在有明显的区别,在外观和性能指标和LED固态灯具的祖先设计的LED。
,但是,nowaday即使作出最强大的LED仍然是一个量级过每个LED的低通量,和两个数量级,每流明成本太高显著渗透到一般照明市场。通量/ LED跳将需要的包装和夹具整合的重大改进,进一步降低到10 - K / W的范围从LED结点到环境的热阻。
降低每流明成本方面的进展将来自工艺的改进,体积增大色泽纯正和高价值的利基的白applications.One的市场渗透率,结果爱迪生的灯丝白炽灯泡的实际的发现百年之后,我们还不能讲“固态照明”,但我们现在已接近足以看出未来固态照明的轮廓。LED特性[3]都远远低于传统灯具重现。
发光二极管在流明输出和波长不同,在温度和时间的依赖。由于混合一个或多个红色,绿色和蓝色发光二极管制造的白光,在一种颜色(或一个LED)变化可以有一个色点的显著作用。
除了制服空间混合从少数高功率LED,是难以实现的。必须采取十分谨慎,以确保在空间光分布[4],颜色均匀的LED灯是在可接受的水平。
在LED光通量/包的增加提供了一个紧凑,高强度光源。然而,每单位面积所产生的热量也随之增加。
因此,使用多个,紧凑型光源的白光一代必须提供:1)统一的空间混色及强度分布均匀。 2)颜色和强度的白光维修。
3)热管理。从分立的LED和强度分布的光混合应用具体和适当的光网络解决方案必需的。
撤消修改Yǐ zài guòqù jǐ nián de gāo gōnglǜ LED jùdà jìnbù, xiànzài yǒu míngxiǎn de qūbié, zài wàiguān hé xìngnéng zhǐbiāo hé LED gùtài dēngjù de zǔxiān shèjì de LED. , Dànshì,nowaday jíshǐ zuòchū zuì qiángdà de LED réngrán shì yīgè liàng jíguò měi gè LED de dī tōng liàng, hé liǎng gè shùliàngjí, měi liúmíng chéngběn tài gāo xiǎnzhù shèntòu dào yībān zhàomíng shìchǎng. Tōng liàng/ LED tiào jiāng xūyào de bāozhuāng hé jiājù zhěnghé de zhòngdà gǎijìn, jìnyībù jiàngdī dào 10 - K/ W de fànwéi cóng LED jié diǎn dào huánjìng de rè zǔ. Jiàngdī měi liúmíng chéngběn fāngmiàn de jìnzhǎn jiānglái zì gōngyì de gǎijìn, tǐjī zēng dà sèzé chúnzhèng hé gāo jiàzhí de lì jī de bái applications.One de shìchǎng shèntòu lǜ, jiéguǒ àidíshēng de dēngsī báichì dēngpào de shíjì de fǎ xiàn bǎinián zhīhòu, wǒmen hái bùnéng jiǎng “Gùtài zhàomíng”, dàn wǒmen xiànzài yǐ jiējìn zúyǐ kàn chū wèilái gùtài zhàomíng de lúnkuò.LED tèxìng [3] dōu yuǎn yuǎn dī yú chuántǒng dēngjù chóng xiàn. Fāguāng èrjíguǎn zài liúmíng 在过去几年的高功率LED巨大进步,现在有明显的区别,在外观和性能指标和LED固态灯具的祖先设计的LED。 ,但是,nowaday即使作出最强大的LED仍然是一个量级过每个LED的低通量,和两个数量级,每流明成本太高显著渗透到一般照明市场。
通量/ LED跳将需要的包装和夹具整合的重大改进,进一步降低到10 - K / W的范围从LED结点到环境的热阻。降低每流明成本方面的进展将来自工艺的改进,体积增大色泽纯正和高价值的利基的白applications.One的市场渗透率,结果爱迪生的灯丝白炽灯泡的实际的发现百年之后,我们还不能讲“固态照明”,但我们现在已接近足以看出未来固态照明的轮廓。
LED特性[3]都远远低于传统灯具重现。发光二极管在流明输出和波长不同,在温度和时间的已在过去几年的高功率LED巨大进步,现在有明显的区别,在外观和性能指标和LED固态灯具的祖先设计的LED。
,但是,nowaday即使作出最强大的LED仍然是一个量级过每个LED的低通量,和两个数量级,每流明成本太高显著渗透到一般照明市场。通量/ LED跳将需要的包装和夹具整合的重大改进,进一步降低到10 - K / W的范围从LED结点到环境的热阻。
降低每流明成本方面的进展将来自工艺的改进,体积增大色泽纯正和高价值的利基的白applications.One的市场渗透率,结果爱迪生的灯丝白炽灯泡的实际的发现百年之后,我们还不能讲“固态照明”,但我们现在已接近足以看出未来固态照明的轮廓。LED特性[3]都远远低于传统灯具重现。
发光二极管在流明输出和波长不同,在温度和时间的依赖。由于混合一个或多个红色,绿色和蓝色发光二极管制造的白光,在一种颜色(或一个LED)变化可以有一个色点的显著作用。
除了制服空间混合从少数高功率LED,是难以实现的。必须采取十分谨慎,以确保在空间光分布[4],颜色均匀的LED灯是在可接受的水平。
在LED光通量/包的增加提供了一个紧凑,高强度光源。然而,每单位面积所产生的热量也随之增加。
因此,使用多个,紧凑型光源的白光一代必须提供:1)统一的空间混色及强度分布均匀。 2)颜色和强度的白光维修。
3)热管理。从分立的LED和强度分布的光混合应用具体和适当的光网络解决方案必需的。
必需的。
4.各位大侠帮帮忙,急求关于LED的英文文献,最好能带中文翻译,哪里
LED照明常用词汇中英文对照1 backplane 背板2 Band gap voltage reference 带隙电压参考 3 benchtop supply 工作台电源4 Block Diagram 方块图5 Bode Plot 波特图6 Bootstrap 自举7 Bottom FET Bottom FET 8 bucket capcitor 桶形电容 9 chassis 机架 10 Combi-sense Combi-sense11 constant current source 恒流源 12 Core Sataration 铁芯饱和 13 crossover frequency 交叉频率14 current ripple 纹波电流 15 Cycle by Cycle 逐周期 16 cycle skipping 周期跳步 17 Dead Time 死区时间 18 DIE Temperature 核心温度 19 Disable 非使能,无效,禁用,关断 20 dominant pole 主极点 21 Enable 使能,有效,启用 22 ESD Rating ESD额定值23 Evaluation Board 评估板 24 Exceeding the specifications below may result in permanent damage to the device, or device malfunction. Operation outside of the parameters specified in the Electrical Characteristics section is not implied. 超过下面的规格使用可能引起永久的设备损害或设备故障。
建议不要工作在电特性表规定的参数范围以外。 25 Failling edge 下降沿 26 figure of merit 品质因数 27 float charge voltage 浮充电压 28 flyback power stage 反驰式功率级 29 forward voltage drop 前向压降 30 free-running 自由运行 31 Freewheel diode 续流二极管 32 Full load 满负载 33 gate drive 栅极驱动 34 gate drive stage 栅极驱动级 35 gerber plot Gerber 图 36 ground plane 接地层 37 Henry 电感单位:亨利 38 Human Body Model 人体模式 39 Hysteresis 滞回 40 inrush current 涌入电流 41 Inverting 反相 42 jittery 抖动 43 Junction 结点 44 Kelvin connection 开尔文连接 45 Lead Frame 引脚框架 46 Lead Free 无铅 47 level-shift 电平移动 48 Line regulation 电源调整率 49 load regulation 负载调整率 50 Lot Number 批号 51 Low Dropout 低压差 52 Miller 密勒 53 node 节点 54 Non-Inverting 非反相 55 novel 新颖的 56 off state 关断状态 57 Operating supply voltage 电源工作电压 58 out drive stage 输出驱动级 59 Out of Phase 异相 60 Part Number 产品型号 61 pass transistor pass transistor 62 P-channel MOSFET P沟道MOSFET 63 Phase margin 相位裕度 64 Phase Node 开关节点 65 portable electronics 便携式电子设备 66 power down 掉电 67 Power Good 电源正常 68 Power Groud 功率地 69 Power Save Mode 节电模式 70 Power up 上电 71 pull down 下拉 72 pull up 上拉 73 Pulse by Pulse 逐脉冲(Pulse by Pulse) 74 push pull converter 推挽转换器 75 ramp down 斜降 76 ramp up 斜升 77 redundant diode 冗余二极管 78 resistive divider 电阻分压器 79 ringing 振 铃 80 ripple current 纹波电流 81 rising edge 上升沿 82 sense resistor 检测电阻 83 Sequenced Power Supplys 序列电源 84 shoot-through 直通,同时导通 85 stray inductances. 杂散电感 86 sub-circuit 子电路 87 substrate 基板 88 Telecom 电信 89 Thermal Information 热性能信息 90 thermal slug 散热片 91 Threshold 阈值 92 timing resistor 振荡电阻 93 Top FET Top FET 94 Trace 线路,走线,引线 95 Transfer function 传递函数 96 Trip Point 跳变点 97 turns ratio 匝数比,=Np / Ns。
(初级匝数/次级匝数)98 Under Voltage Lock Out (UVLO) 欠压锁定 99 Voltage Reference 电压参考 100 voltage-second product 伏秒积 101 zero-pole frequency compensation 零极点频率补偿 102 beat frequency 拍频103 one shots 单击电路 104 scaling 缩放 105 ESR 等效串联电阻 106 Ground 地电位 107 trimmed bandgap 平衡带隙 108 dropout voltage 压差 109 large bulk capacitance 大容量电容 110 circuit breaker 断路器 111 charge pump 电荷泵 112 overshoot 过冲 来源:照明工程师社区。
5.和太阳能LED路灯系统有关的英文资料(英文原文,2000
4/5/6.5M Solar LED Street Light Applicable Location: Applicant for pathway, residential district etc. for lighting. Features 01.Lighting effect of 3M Solar Street Light(1600Lm, 3000Lm, 6000Lm) is equivalent to high voltage sodium lamp (35W, 70W, 150W), saving more energy. 02. Use world-famous brand Nichia LED – Reliable, Long life span and International patented. 03. Use Hi-efficiency lithium phosphate battery – smaller size, lighter weight, longer lifespan, better charging efficiency and lower maintainance fee than lead acid battery. 04.Battery can be set up together with lamp post, saving manpower and cost for structuring battery hole. 05. Low temperature, not exceeding 60℃, the lamp shade does not aged yellow. Low temperature protects solar lamp from brightness and lifespan reduction. 06.High CRI – Colors are presented truly. 07. Direct conductive radiator, radiator touches air directly makes highly heat loss.
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