95  KB List of licensees (95 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 the 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.
Lumens Co., Ltd.
LG Innotek Co., Ltd.
Allix Co., Ltd.
Lumimicro Co., Ltd
WOOREE E&L Co., Ltd.
Everlight Electronics Co., Ltd.
Unity Opto Technology 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.
Visiting from the US or Canada?
Go to our dedicated site. or stay on