LED car headlight drive circuit design and simulation

Abstract: With the increase in the cost performance of high-power LEDs, the increase in output light flow makes it possible to use LEDs in automotive headlamps. The input voltage is changed between 10 and 14 V, and the load is determined by eight 700 mA high-power white LEDs. The driving mode, to ...more...

Taiwan Hongdae's first white light package engineer exch…

[High-tech LED News] On May 15th, the white light package engineer exchange meeting hosted by Taiwan Hongda Trading Co., Ltd. and co-organized by Dongguan Hongcheng Photoelectric Co., Ltd. was held in Shenzhen. Zheng Weiyuan, the general manager of Hongdae Trading Co., Ltd., first entered the mainl ...more...

Design and Simulation of Highway Tunnel Lighting Energy Savi…

As a special section of the highway, the highway tunnel determines the difference in brightness between the inside and outside of the tunnel. It has the disadvantages of serious pollution and high noise, which reduces the traffic capacity of the road and threatens the driving safe ...more...

Cree Introduces 1000 Lumens LMR4 LED Module

Clarion (Nasdaq: CREE), a market leader in LED lighting, today announced the availability of the latest 1000 lumens LMR4 LED modules with up to 66 lm/W of efficacy to provide a fully integrated solution for downlight applications. The demand for high quality lighting in the commercial, retail and h ...more...

Study on electrical, thermal and optical properties of LED

Summary The luminescence properties of LEDs are not only related to their electrical properties, but also to their junction temperature. Therefore, it is very important to study the heat dissipation performance and thermal management methods through actual test and simulation tools ...more...

7000 yuan computer configuration single 7000 yuan DIY assemb…

7000 yuan computer configuration single-7000 yuan price assembly configuration archive Updated: March 12, 2011 , this article is a regular and continuous update article, please pay attention! 7000 yuan computer configuration single finishing release of all 7000 yuan -- 7999 yuan price area compu ...more...

Hardcover fine selection of small objects lighting

If there is no lighting in the living room, the color of the living room will be greatly reduced. Therefore, after the purchase of ceramic tiles, sanitary ware and cabinets, we are now approaching the lighting fixtures. Speaking of lighting fixtures, according to my underst ...more...