Ji-Eun Oh

Title: Ji-Eun Oh: Innovator in Semiconductor Memory Technology

Introduction

Ji-Eun Oh is a prominent inventor based in Daejeon, South Korea. He has made significant contributions to the field of semiconductor memory technology, holding 2 patents that showcase his innovative approach to data processing and memory systems.

Latest Patents

One of Ji-Eun Oh's latest patents is titled "Controller and operating method for performing read operation to read data in memory device." This invention involves a controller that includes a processor for reading data from a memory device and a decoder that decodes the data represented with check nodes and variable nodes. The decoder features a check unit for calculating syndrome values and a calculation unit that processes decision values of variable nodes to generate flipping function values. Additionally, the setting unit organizes these values into groups to select maximum values, while the flipping unit compares these values against a threshold to adjust decision values accordingly.

Another notable patent is the "LDPC decoder, semiconductor memory system and operating method thereof." This invention describes a semiconductor memory system that incorporates an LDPC decoder for decoding codewords to produce decoded data. The LDPC decoder includes a message passing decoding component that performs initial decoding operations and an error path detection component that identifies error path candidates. This component utilizes a tree structure to sort and reset symbol values and LLRs of variable nodes, enhancing the decoding process.

Career Highlights

Ji-Eun Oh has worked with notable organizations such as SK Hynix Inc. and the Korea Advanced Institute of Science and Technology. His experience in these institutions has allowed him to refine his skills and contribute to advancements in semiconductor technology.

Collaborations

Throughout his career, Ji-Eun Oh has collaborated with esteemed colleagues, including Jeong-Seok Ha and Myung-In Kim. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Ji-Eun Oh's contributions to semiconductor memory technology through his patents and collaborations highlight his role as an influential inventor in the field. His work continues to impact the industry, paving the way for future advancements in memory systems.