Location History:
- Seoul, KR (2009 - 2011)
- Gyeonggi-do, KR (2011 - 2016)
- Seongnam-si, KR (2010 - 2017)
Company Filing History:
19 out of 26,887 
11 out of 131,214 
2 out of 2,607 
Years Active: 2009-2017
Title: Innovations of Jae-Hyuk Chang: Pioneering Maskless Exposure Technologies
Introduction
Jae-Hyuk Chang is a prolific inventor based in Seongnam-si, South Korea, holding an impressive portfolio of 30 patents. His work primarily focuses on advancements in maskless exposure devices and methods, crucial for various applications in display technology and semiconductor manufacturing.
Latest Patents
Among Chang's most recent patents are innovations pertaining to a maskless exposure device and a maskless exposure method. The maskless exposure device integrates an exposure head that features a digital micro-mirror device alongside an exposure source. This configuration allows for the reflection of a source beam onto a substrate, managed by a system controller utilizing graphic data system files. The innovative process includes creating patterns on the substrate, where a specific pattern comprises sections of varying widths to optimize exposure.
Moreover, another key patent from Chang involves a maskless exposure device that compensates for cumulative illumination. This device incorporates a light source for emitting exposure beams, a light modulation element for adjusting the exposure according to specific patterns, and a projection optical system that translates the modulated beam onto the substrate. A beam measurement component measures the data of the exposed array, further enhancing the precision of the exposure process.
Career Highlights
Jae-Hyuk Chang has significantly contributed to the industry through his work with globally recognized companies such as Samsung Display and Samsung Electronics. His innovations have not only advanced the functionality of display technologies but have also played a vital role in enhancing manufacturing efficiency.
Collaborations
Throughout his career, Chang has collaborated with notable coworkers, including Hyun-Seok Kim and Hi-Kuk Lee. These partnerships have facilitated the sharing of ideas and knowledge, driving forward the pace of innovation in their respective fields.
Conclusion
In conclusion, Jae-Hyuk Chang stands out as a key inventor in the realm of maskless exposure technologies. His extensive patent portfolio and collaborative efforts underscore his commitment to driving innovation and enhancing the capabilities of modern display and semiconductor technologies. His work continues to impact various sectors, demonstrating the importance of invention in today's technological landscape.
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.