Company Filing History:
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Years Active: 2018-2023
Title: Innovations of Li-Jen Chang
Introduction
Li-Jen Chang is a notable inventor based in Taipei, Taiwan. He has made significant contributions to the field of electronics, particularly in circuit board technology. With a total of five patents to his name, Chang has developed innovative systems that enhance the efficiency and functionality of electronic devices.
Latest Patents
One of his latest patents is an exposure system, circuit board, and method for making circuit boards. This system effectively cures dry film ink throughout its thickness on circuit boards. It utilizes a plurality of mixed light sources with different wavelengths within a range of 365 nm to 440 nm. The mixed light sources can output at least three different wavelengths of light, each of substantially a single wavelength, along with a fourth source of light that outputs a spectrum of wavelengths.
Another significant patent is the multi-screen control system. This system includes multiple display devices, at least one console device, a video switching device, and a centralized display device. The display devices show output images from various video sources. The console device allows for control operations on the output images, while the video switching device transmits these images to the display devices and obtains partial images based on control operations. The centralized display device is then connected to the video switching device to output the selected partial images.
Career Highlights
Li-Jen Chang has worked with prominent companies such as Aten International Co., Ltd. and Qing Ding Precision Electronics (Huaian) Co., Ltd. His experience in these organizations has contributed to his expertise in developing advanced electronic systems.
Collaborations
Some of his notable coworkers include Ching-Lung Chuang and I-Hsin Chen, who have collaborated with him on various projects. Their teamwork has played a crucial role in the successful development of his innovative technologies.
Conclusion
Li-Jen Chang's contributions to the field of electronics through his patents and collaborative efforts highlight his role as a significant inventor. His work continues to influence advancements in circuit board technology and multi-screen control systems.