Signify Holding B.v.

Genevieve Martin

Ties Van Bommel

Alexander Henricus Waltherus Van Eeuwijk

Jianghong Yu

Simon Jacobus Maria Kuppens

Anna Wilhelmina Maria Wondergem-De Best

Jiang Hong Yu

Simon Kuppens

Liesbet Wind

Derk Tiekink

Alexander Henricus Walterus Van Eeuwijk

Anna Wilhekmina Maria Wondergem-De Best

The invention provides a vapor chamber element () comprising a first part (), a second part (), and a third part (), wherein the second part () and third part () are associated to the first part (), wherein the second part () and third part () are configured spatially separated with a first distance (d1) along a first length (L1), defining an opening () between the second part () and the third part (); wherein the vapor chamber element () comprises one or more vapor chambers () at least partially comprised by the second part () and third part (); wherein the vapor chamber element () further comprises one or more heat fin elements (), wherein the one or more heat fin elements () comprise one or more heat fins (), wherein the one or more heat fin elements () bridge the first distance (d1) and close a part of the opening ().

Vapor chamber cooled high lumen device with improved cooling solution

The invention provides a vapor chamber element (), wherein the vapor chamber element () comprises a first plate () and a second plate () with a chamber () in between, wherein the chamber () has a first height (H), wherein the vapor chamber element () further comprises bridging elements () bridging at least part of the first height (H), wherein the vapor chamber element () comprises a plurality of sections () configured along a first axis (A), wherein the plurality of sections () comprises (i) a bending section () having a first volume fraction Vof bridging elements (), and (ii) a basic section () having a second volume fraction Vof bridging elements (), wherein 2≤V/V.

Vapor chamber element

The invention provides a lighting device () comprising a vapor chamber unit (), a heat sink (), and a plurality of light sources (), wherein: the vapor chamber unit () comprises a vapor chamber () defined by at least a first plate () and a second plate () having an average plate distance (d), wherein the vapor chamber () comprises a first A chamber end () and a second chamber end () defining a chamber length (L), wherein the vapor chamber unit () comprises (i) a first external face () defined by at least part of the first plate (), wherein the first external face () is convex, and (ii) a second external face () defined by at least part of the second plate (); the heat sink () is thermally coupled to the vapor chamber unit (); and the light sources () are configured to generate light source light.

LED lighting device

A lighting module () for use in a luminaire, comprising a heat sink () for dissipating thermal energy, which heat sink () is polygonal in cross section, forming a number of surfaces () corresponding to the polygonal shape of the heat sink (), each surface () extending in a longitudinal direction, said longitudinal direction extending substantially perpendicularly to a plane of said cross section, each surface () having a centre line () extending in said longitudinal direction, at least two LEDs () being located on each of at least three of said surfaces (), wherein all of the LEDs () on a first () of said at least three surfaces () defines an accumulated light emitting area of said first surface (), which accumulated light emitting area is distributed asymmetrically in relation to the centre line () of said first surface ().

Lighting module

LED bulb

Growing community of inventors

Udenhout, Netherlands

Genevieve Martin