1) large-angle LED
大角度LED
2) LED large screen
LED大屏幕
1.
The realization of multi-windows display of LED large screen asynchronous controller;
LED大屏幕异步控制器多窗口显示的实现
2.
The Design of LED Large Screen Video Display System with Colour VGA Synchronous;
LED大屏幕与VGA同步彩色视频显示系统设计
3.
In the paper, a design scheme of LED large screen display system is introduced, with Micro Controller 89C52 as the core of control circuit, and the mode of dynamic scanning of 16 lines for display in the drive circuit.
介绍一种以 89C5 2单片机为控制核心 ,采用 1 6路动态扫描方式进行显示的 LED大屏幕显示系统的设计方案 。
3) high-power LEDs
大功率LED
1.
With the invention of high-power LEDs,the requirement for drive current has increased significantly,thereby increasing power dissipation.
保持LED结温在允许的范围内,是大功率LED芯片制备、器件封装和器件应用等每个环节都必须重点研究的关键因素,尤其是LED器件封装和器件应用设计必须着重解决的核心问题。
2.
The junction temperature of high-power LEDs is accurately measured based on forward-voltage method,the precision with ±0.
介绍了基于正向电压法原理自行研制的大功率LED结温测试系统,结温定量测量精度可达±0。
3.
Meanwhile, one type of thermal resistance model of high-power LEDs has also been set up.
针对大功率LED应用,建立了大功率LED的热阻模型,分析了环境温度、器件的最大允许结温、热阻以及输入电流之间的关系,提出了一种保证器件结温低于容许最大结温的工作电流的确定方法,并给出了一个应用本方法绘制某大功率LED工作电流与环境温度的关系曲线的实例。
4) high-power LED
大功率LED
1.
Simulation and design of high-power LED s package structure;
大功率LED封装结构的仿真设计
2.
Testing system for thermal resistance of high-power LED;
大功率LED热阻测试系统的开发
3.
Novel packaging materials and thermal management of high-power LED packaging;
新型封装材料与大功率LED封装热管理
5) Led Display
Led大屏幕
1.
Design and Simulation of Led Display Based on Proteus;
基于Proteus的Led大屏幕的设计与仿真
6) LED large-screen
LED大屏幕
1.
Complementary of a LED large-screen dynamic display system using PC and single-chip microcomputer;
基于双机控制的LED大屏幕动态显示系统
2.
This paper introduces in detail the hardware and software design and realization of LED large-screen display system,especially the real-time drawing out of the CRT digital signal and the real time display on LED large-screen.
详细介绍LED大屏幕显示系统的软硬件设计与实现,实时提取出微机CRT数字视频信号,在LED大屏幕上实时显示。
3.
Through research control circuit of present-day LED large-screen,the paper puts forward a way for output speed increase based on the output circuit potential-digging reform.
在研究目前LED大屏幕控制电路的基础上,提出了一种提高输出速度的实现方法。
补充资料:Anglelapping角度研磨
angle lapping 的目的是为了测量junction的深度,所作的芯片前处理,这种采用光线干涉测量的方法就称之angle lapping。公式为xj=λ/2 nf即junction深度等于入射光波长的一半与干涉条纹数之乘积。但渐渐的随着vlsi组件的缩小,准确度及精密度都无法因应。如srp(spreading resistance prqbing)也是应用angle lapping的方法作前处理,采用的方法是以表面植入浓度与阻值的对应关系求出junction的深度,精确度远超过入射光干涉法。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条