Company Filing History:
3 out of 131,906 
2 out of 1,115 
Years Active: 2009-2011
Title: Dong-Chul Choo: Innovator in Organic Light Emitting Diode Technology
Introduction
Dong-Chul Choo is a prominent inventor based in Seoul, South Korea. He has made significant contributions to the field of organic light emitting diodes (OLEDs). With a total of 3 patents, his work has advanced the technology used in display manufacturing.
Latest Patents
One of his latest patents is titled "Organic light emitting diode display and manufacturing method thereof." This invention describes an OLED display that includes a substrate, a first electrode, a hole transport layer, a hole blocking layer, an emitting layer, and a second electrode. The design ensures that the second HOMO level is higher than the first and third HOMO levels, enhancing the display's performance. Another notable patent is "Organic light emitting device using Mg—Ag thin film and manufacturing method thereof." This patent outlines an organic light emitting device that features a substrate, a first electrode, and a light-emitting member with a multi-layer structure. The second electrode in this device comprises an Mg—Ag alloy, which contains a specific concentration gradient of magnesium.
Career Highlights
Dong-Chul Choo has worked with leading companies in the technology sector, including Samsung Electronics and the Industry-University Cooperation Foundation at Hanyang University. His experience in these organizations has allowed him to refine his expertise in OLED technology and contribute to innovative solutions in the field.
Collaborations
Throughout his career, Dong-Chul Choo has collaborated with notable colleagues such as Tae-Whan Kim and Hee-Cheol Im. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
Dong-Chul Choo's contributions to OLED technology have positioned him as a key figure in the field of display innovation. His patents reflect a commitment to advancing technology and improving the efficiency of organic light emitting devices.