COB光源即“Chip on Board”光源,是一种将裸芯片用导电或非导电胶粘附在互连基板上,然后进行引线键合实现其电连接的集成光源技术。以下是关于COB光源的详细介绍:1. 制作工艺:- 首先在基底表面用导热环氧树脂(一般用掺银颗粒的环氧树脂)覆盖硅片安放点。- 接着将LED芯片直接安放在基底表面,通过热处理使芯片牢...
Chip on Board LED Video Display TechnologyLightweight, Color-Rich LED for Indoor Daktronics COB displays provide high-contrast, wide-angle imagery on a thin, lightweight LED canvas that saves energy and reduces thermal waste. Distinguished by its proprietary deep-black protective coating, these ...
陶瓷基板技术:COB(Chip on Board)封装 COB(Chip on Board)是一种将芯片直接封装在基板上的技术,由于芯片直接与基板接触,因此可以实现更好的热传递效果,提高芯片散热能力。COB技术适用于各种LED照明和显示屏应用,从小型显示屏到大型照明应用。COB技术是一种成本低、高效的封装技术,具有以下优点:1. 体积小,...
Chip on board (COB) LED design with thermal platformThe LED supply side has a great many good LED offerings. The technology is progressing very quickly and most suppliers are following the innovative trends of lumens/watt, lumens/$, lumens/area, efficacy, correlated color temperature (CCT) ...
Product name:COB LED for LED work Light;Led Chip Brand:epistar;IP Grade:Waterproof IP67;Voltage:3V;LED QTY:90L;Overall dimensions:187.5*89.75*0.3mm;Warranty:3 Years;Lifespan:50000 Hours;Application:Bike Light / Helmet Light / Flashlight;Type:COB LED;Warr
Chip on Board UV LED Diode 1W 3W 395nm 400nm 405nm High Power LED with Star PCB, Find Details and Price about High Power LED PCB LED from Chip on Board UV LED Diode 1W 3W 395nm 400nm 405nm High Power LED with Star PCB - Shenzhen Guang...
Item Chip on Board 1W 3W UV LED Diode 380nm 390nm High Power LED Chip with Star PCB Heatsink Type High Power LED/PCBA LED Power (W) 1W 3W Input Voltage (V) DC 2.8-3.4V Forward Current (mA) 350mA Viewing Angle (°) 120° Color...
The global chip-on-board LED market size was valued at USD 2.70 billion in 2023 and is projected to grow at a CAGR of 14.6% from 2024 to 2030.
1 第一步:扩晶。采用扩张机将厂商提供的整张LED晶片薄膜均匀扩张,使附着在薄膜表面紧密排列的LED晶粒拉开,便于刺晶。2 第二步:背胶。将扩好晶的扩晶环放在已刮好银浆层的背胶机面上,背上银浆。点银浆。适用于散装LED芯片。采用点胶机将适量的银浆点在PCB印刷线路板上。3 第三步:将备好银...
COB(Chip on Board)技术是照明行业中的一项重要封装技术,经历了从手工焊接到现代化微电子封装的发展过程。 COB技术的进步为电子产品提供了更高效、更可靠的封装解决方案。照明产业链多家公司的业务与COB技术相关。 近期,业内2家公司在2023年上半年业绩报告中提到,各自在COB技术上获得重大进展,推动了业绩增长。