183  KB List of licensees (183 KB)

Licensee list for white LED patents

Toyoda Gosei Co., Ltd., together with Tridonic Jennersdorf GmbH (Austria), Leuchtstoffwerk Breitungen GmbH (Germany), and Litec GbR (Germany), has filed joint applications for basic patents relating to a technology for forming white light using blue LEDs and new yellow (silicate) phosphors. Patent rights have been granted in Austria, Europe, Japan, U.S.A., Korea, Taiwan, China, Russia, Malaysia, and India. (Please see attached for list of granted patents).

Further, these patents have been licensed to the following companies:

Country Licensee
Koha Co., Ltd
Sanken Electric Co., Ltd.
Sharp Corporation
HRD Co., Ltd
Kodenshi Corp.
Toricon Co., Ltd.
Dongbu LED Co., Ltd.
LG Innotek Co., Ltd.
Allix Co., Ltd.
Lumimicro Co., Ltd
WOOREE E&L Co., Ltd.
Everlight Electronics Co., Ltd.
Lextar Electronics Corp.
Prolight Opto Technology Corp.
Lite-On Technology Corporation
Harvatek Corporation
High-Toned Opto Technology Corporation

  • There exist licensees who are not disclosed in the list above.
  • The list above is not a list of licensees for other patents held by TG or Tridonic, such as patents pertaining to LED chips or LED package design.