Company Filing History:
5 out of 1,325 
2 out of 174 Years Active: 2003-2008
Title: Innovations of Ching-Chung Chang
Introduction
Ching-Chung Chang is a notable inventor based in Taipei, Taiwan. He has made significant contributions to the field of electronics, particularly in the development of circuits for cold cathode fluorescent lamps (CCFLs). With a total of 7 patents to his name, Chang's work has had a considerable impact on the industry.
Latest Patents
One of his latest patents is a warm-up circuit for CCFLs. This innovative circuit adjusts the brightness of a CCFL using a pulse-width modulation (PWM) technique specifically designed for scanners. The warm-up circuit includes an inverter connected to the CCFL for power supply, along with a PWM controller that outputs control signals during both warm-up and scan times. Another significant patent is a method and apparatus for a CCFL driving device. This device features a voltage generator that outputs a driving voltage and a controller that manages the voltage output. The controller initializes the CCFL by directing the voltage generator to exceed the working voltage and gradually decreases the voltage to maintain the desired brightness.
Career Highlights
Ching-Chung Chang has worked with prominent companies in the technology sector, including Lite-On Technology Corporation and Silitek Corporation. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.
Collaborations
Chang has collaborated with several professionals in his field, including his coworker Ho-Min Chung, who is a talented woman in the industry.
Conclusion
Ching-Chung Chang's contributions to the field of electronics, particularly in CCFL technology, demonstrate his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving the functionality and efficiency of electronic devices.