Signify Holding B.v.

Martinus Arnoldus Cornelis Heijmans

Michal Jan Horaczek

Aldegonda Lucia Weijers

Jan De Graaf

Eric Cornelis Egbertus Van Grunsven

Jiang Hong Yu

Micha Jan Horaczek

The invention provides a light generating device () comprising (i) n filaments (), (ii) an power distribution unit (), and (iii) electronics (); wherein: (a) each of the n filaments () comprises one or more solid state light sources (), wherein n≥1, wherein each of the n filaments () comprises at least m electrical contacts (), wherein m≥2; and wherein the n filaments () are configured to generate filament light (); (b) the power distribution unit () comprises k electrically conductive tracks () separated by electrically insulating material (), wherein k≥2; (c) at least two of the electrical contacts () of the n filaments () are functionally coupled to at least two different electrically conductive tracks (); (d) the at least two different electrically conductive tracks () are functionally coupled to the electronics (); and (e) the electronics () comprise one or more of a control system, a driver, and a transformer.

LED filament interconnecting ring

The invention provides an LED filament device () comprising (i) a first LED filament side (), (ii) a second LED filament side (), (iii) an intermediate layer (), and (iv) a plurality of sources of light (), wherein: (a) first sources of light () are configured to generate first white light () having a first correlated color temperature CCT; wherein the first sources of light () are associated to the first filament side (); (b) second sources of light () are configured to generate second white light () having a second correlated color temperature CCT; wherein the second sources of light () are associated to the first filament side (); wherein CCT−CCT≥500 K; (c) third sources of light () are configured to generate blue third light (); wherein the third sources of light () are associated to the second filament side (); (d) fourth sources of light () are configured to generate green fourth light (); wherein the fourth sources of light () are associated to the second filament side (); (c) fifth sources of light () are configured to generate red fifth light (); wherein the fifth sources of light () are associated to the second filament side (); () the intermediate layer () comprises a thermally conductive element (); and (g) the first LED filament side (), the second LED filament side (), and (iii) the intermediate layer () are comprised by a sandwich arrangement (), wherein the intermediate layer () is configured between at least part of the first LED filament side () and at least part of the second LED filament side ().

Optical and thermal improvement of a two-sided multi-channel filament

The invention provides a light generating device () comprising (i) a light source (), wherein the light source comprises a solid state light source, (ii) a support () for the light source (), (iii) a housing () comprising a housing wall (), and (iv) a thermally conductive element (); wherein the support () is a monolithic support, wherein the support () comprises at least two support parts () which are configured bent relative to each other, wherein a first support part () of the at least two support parts () is configured to support the light source (), and wherein a second support part () of the at least two support parts () is associated to one or more of the housing wall () and the thermally conductive element () and configured in thermal contact with the thermally conductive element (), wherein the support () is thermally conductive.

Deep-drawn MCPCB

The light generating device including at least one solid state light source, a monolithic support for the light source with first and second support parts bent relative to each other, and a housing having a housing wall. The light source is supported by the first support part, with the second support part in thermal contact with the housing wall. At least a portion of the support located between the light source and the housing wall is thermally conductive.

Growing community of inventors

VELDHOVEN, Netherlands

Martinus Arnoldus Cornelis Heijmans