Assignment history

Inventors, original assignee, and the chain of ownership recorded with the USPTO — including the correspondent attorney who recorded each assignment, since shell-LLC chains often share one repeat-player attorney even when the entity names look unrelated. Surfaces NPE / patent-troll patterns: shell-entity transfers, known asserters in the chain, repeat correspondent fingerprints, pre-litigation assignments, and bankruptcy fire-sales.

Assignment history

Inventors

Se-Ho Kim (Employer: Samsung Display Co Ltd at the time of filing)
Jin-woo Park (Employer: Samsung Display Co Ltd at the time of filing)
Won-Se Lee (Employer: Samsung Display Co Ltd at the time of filing)

No unusual patterns, such as all inventors departing the original assignee within 12 months of filing, are apparent from the provided patent text. The inventors are listed as assignors to Samsung Display Co Ltd in the patent's event history.

Original assignee

The original assignee named on the issued patent is Samsung Display Co Ltd. Samsung Display Co Ltd is a major global manufacturer of display panels, including organic light-emitting diode (OLED) displays, and ships products embodying the claims of this patent. Its primary line of business is the research, development, and manufacturing of display technologies. Samsung Display Co Ltd is currently an operating company.

Assignment timeline

A search of the USPTO Patent Assignment Search database for patent number US11574991 found no recorded assignments. This indicates that, according to official USPTO assignment records, the original assignee, Samsung Display Co Ltd, still holds ownership of the patent.