Item 1.01 Entry into a Material Definitive Agreement.

On December 2, 2022, the Registrant, through its wholly owned subsidiary UDC Ireland Limited, and Samsung Display Co., Ltd. ("SDC") entered into an OLED Patent License Agreement (the "License Agreement") and a Supplemental OLED Material Purchase Agreement (the "Supplemental Agreement"), both effective as of January 1, 2023.

The License Agreement extends SDC's rights under certain of Registrant's intellectual property for at least another five years to manufacture and sell certain phosphorescent organic light emitting diode (OLED) display products. In consideration of the license grant, SDC agreed to pay the Registrant a license fee over the term of the License Agreement.

Pursuant to the Supplemental Agreement, the parties agreed that SDC shall continue to purchase red and green dopants from the Registrant, and the Registrant shall supply to SDC, a minimum amount of such phosphorescent materials for SDC's use in the manufacture of licensed products. This minimum purchase commitment is subject to the Registrant being able to supply SDC with sufficient material to meet its requirements over the term of the Supplemental Agreement, which is concurrent with the term of the License Agreement. In addition, the parties have agreed to continue their discussions regarding ongoing collaboration and supply of blue phosphorescent materials and the entry of separate commercial supply and license provisions with respect to such materials.

Item 9.01 Financial Statements and Exhibits.



(d) Exhibits

Exhibit
Number                                  Description

            Press Release by the Registrant, dated December 5, 2022, furnished
 99.1     pursuant to Item 1.01 of Form 8-K.

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