找到约 9200 条相关结果
... 随着半导体材料的不断研发以及LED工艺的进步,LED技术不断趋于成熟。然而,传统LED显示屏的缺点也渐渐显示出来,传统LED显示屏工艺复杂且成本较高,由于传统LED显示屏是平面显示,因此还具有视觉 ... 不足,此设计利用51单片机来控制LED灯有规律的亮灭,电机带动 ...
... This design can automatically adjust the brightness of LED display according to light intensity detection, ensure clear ...
... 磁性元件,可扩展驱动任意通道的LED负载,而且智能化调节程度高.本文对 ... , which can drive odd or even channels' LED load, and the intelligent regulation degree is high ...
... to improve the illumination quality of LED module and realize the LED module eolour temperature adjustment, a design ... model is put forward after the analysis of LED module driver circuit technology. The needed colours is ...
... the cost of the control system of solar LED lawn lights and reduce the request to solar ... has a battery over-discharge hysteresis protection,and LED lights flicker-free.As the tapeout and test ...
... increase of output light flow, the high-power LED used in automobile head-lamps becomes possible. A constant current LED array driver used as automotive headlamp based on ...
... 电路进行了分类,详细阐述了LED浪涌电流保护电路的工作原理 ... and circuit design, and then gives the open LED protection circuit and over-current protection circuit design ...
... 外接PWM占空比即可调节LED亮度。实验证明,此驱动电路 ... in which circuit was driven by three color LED constant current. Drive circuit adopts the step-up ...
... 其平均电流,可大大提高LED的使用寿命,同时LED亮度的均匀变化可有效 ... change the instantaneous current flowing through the light LED, and change the average current, which can greatly ...
... saving. In this paper, the characteristics and the LED light source models are analyzed, the drive circuit is designed with a light color LED light source based. Through the driving circuit hardware ...