Location History:
- Kyunggi-Do, KR (2007)
- Suwon, KR (2007 - 2009)
- Gyunggi-do, KR (2010 - 2011)
- Kyungki-do, KR (2010 - 2014)
Company Filing History:
12 out of 7,574 
1 out of 207 
1 out of 131,214 
Years Active: 2007-2014
Title: Chang Woo Ha: A Pioneer in Liquid Crystal Display Innovations
Introduction
Chang Woo Ha is an accomplished inventor hailing from Gyunggi-do, South Korea. With a remarkable portfolio consisting of 13 patents, he has made significant contributions to the field of liquid crystal display (LCD) technology. His innovative designs and solutions have advanced the way displays are manufactured and function, providing enhanced visual experiences across various applications.
Latest Patents
Chang Woo Ha's latest patents showcase cutting-edge technology in LCDs. One notable invention is the "Field Sequential Color Mode Liquid Crystal Display," where a controller responds to external adjustments to optimize performance. This innovation utilizes a DC/DC converter to transform battery voltage into an appropriate driving voltage. The system includes a color LED backlight featuring a unique arrangement of first, second, and third color LED arrays, which operate based on driving currents under the controller's management. Additionally, an FSC generator coordinates color PWM signals to adjust the luminance of these LED arrays, ensuring an optimal display experience.
Another noteworthy patent is the "Dimming Buck Type LED Driving Apparatus," which comprises several components for controlling driving currents in LEDs. This apparatus features a main switch, current detector, and a power level determination unit, among other elements. The dimming control unit manages the charging and discharging of a dimming capacitor, which plays a crucial role in dimming functionality. This innovation significantly enhances the versatility and efficiency of LED lighting solutions.
Career Highlights
Throughout his career, Chang Woo Ha has been associated with prestigious companies that have shaped his expertise in display technology. He has worked with Samsung Electro-Mechanics Co., Ltd. and Samsung LED Co., Ltd., where he contributed to numerous projects and innovations in the field of electronics. His experience with these industry giants has provided him with a robust foundation for advancing LCD technology.
Collaborations
Chang Woo Ha has also collaborated with notable professionals in his field, including Byoung Own Min and Sang Cheol Shin. These partnerships have fostered a dynamic exchange of ideas, further driving innovations and enhancing the development of cutting-edge display technologies.
Conclusion
Chang Woo Ha's relentless pursuit of innovation in the area of liquid crystal displays has solidified his status as a leading inventor in the tech industry. His 13 patents reflect his deep understanding of technology and invention, contributing significantly to advancements that impact everyday life. As display technologies continue to evolve, Chang Woo Ha remains a key figure in shaping the future of this dynamic field.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.