138 East LCD Advancements Limited is an Irish-domiciled company and an affiliate of IPValue Management, Inc. ("IPValue"), which is privately owned by Vector Capital. It operates as a Non-Practicing Entity (NPE) and does not manufacture or sell products. Its primary business involves acquiring and licensing patent portfolios.
The company's core operation is the assertion of a substantial patent portfolio, which comprises over 3,500 worldwide patents and pending applications acquired from Seiko Epson Corporation. These patents cover a wide array of innovations related to liquid crystal display (LCD) technologies, including pixel layouts, electrode structures, panel seals and terminals, display drivers, optical layers, backlighting, panel housing, and OLEDs. IPValue Management, Inc. advises and supports Longitude Licensing Ltd. in the licensing of 138 East's portfolio.
138 East LCD Advancements Limited maintains an assertive patent litigation posture, primarily as a plaintiff. The company has been involved in at least one tracked case in the U.S. District Court for the Eastern District of Texas, a venue known for patent litigation. This aligns with its role as a patent assertion entity that leverages acquired portfolios for licensing and enforcement.
A notable case for 138 East LCD Advancements Limited is Longitude Licensing Limited et al. v. BOE Technology Group Co., Ltd. et al. In January 2026, an Eastern District of Texas jury returned a verdict in favor of 138 East LCD Advancements Limited and Longitude Licensing Limited against BOE Technology, finding infringement of four claims from three former Seiko Epson patents and awarding approximately $66.9 million in damages, noting willful infringement. The patents-in-suit covered semiconductor devices and methods for configuring pixel electrode orientations in displays. Additionally, 138 East LCD Advancements Limited has been involved in other patent challenges, including Inter Partes Reviews (IPRs) at the USPTO.