1. What is an integrated light source
The concept of integrated light source was proposed by Dr. Miller of Bell Labs in 1969. Integrated light source is a new discipline that uses integrated methods to research and develop optical devices and hybrid optical electronic device systems based on optoelectronics and microelectronics. The theoretical basis of integrated optics is optics and optoelectronics, involving wave optics and information optics, nonlinear optics, semiconductor optoelectronics, crystal optics, thin film optics, guided wave optics, coupled mode and participation theory, thin film optical waveguide devices and systems Many aspects of modern optical content; its technological basis is mainly thin film technology and microelectronics technology. The application fields of integrated optics are very wide. In addition to optical fiber communications, optical fiber sensing technology, optical information processing, optical computers and optical storage, there are other fields, such as materials science research, optical instruments, and spectroscopy research.
Second, what are the disadvantages of integrated light sources
The disadvantage of COB is light efficiency. Since multiple LED chips are closely arranged in a small area, the light emitted by a single chip close to the horizontal direction will encounter the adjacent chips and continuously form total reflection, and finally be absorbed by the packaging material and cannot be emitted out of the integrated light source What does it mean, the traditional LED of COB light source and LED light source: LED light source discrete device-MCPCB light source module-LED lamp, mainly because of the lack of ready-made suitable core light source components and the approach taken, not only time-consuming, And the cost is higher. Encapsulation of "COB light source module-LED lamps", multiple chips can be directly packaged on the metal base printed circuit board MCPCB, and heat is directly dissipated through the substrate, saving the cost of primary packaging of LED, light engine module production cost and secondary light distribution cost .
