# US 12,111,514 B1 · Eyewear device with thermal management device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,111,514 B1 - Document ID: US12111514B1 - Status: Granted - Kind: B1 - Application number: 17/411,220 - Filed: 2021-08-25 - Granted: 2024-10-08 - Earliest claimed: 2020-09-30 - Assignees: Snap Inc. - Applicants: Andrea Ashwood; Emily Clopp; Stephen Steger - Inventors: Andrea Ashwood; Emily Clopp; Stephen Steger - Web page: https://patentgrep.com/patent/US12111514B1 ## CPC - G02C 5/14: Side-members - G02C 11/10: {Electronic devices other than hearing aids} - G02C: SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES (trial frames for testing the eyes A61B3/04; goggles or eyeshields not having the same features as spectacles A61F9/00) ## Abstract An electronic eyewear device is presented that includes an eyewear body comprising a frame configured to be worn on the head of a user. The frame includes an optical elements section and spaced-apart first and second temples. The eyewear body includes onboard electronic components carried by the eyewear body that comprises a heat source that generates heat during electrically powered operation of the components. A thermal management device that includes a heat sink within a first temple and a thermal coupling disposed within the first temple and is thermally coupled to the heat source and the heat sink and receives heat from the heat source. ## Claims ### Claim 1 An electronic eyewear device comprising: an eyewear body comprising a frame configured to be worn on the head of a user, the frame comprising an optical elements section and spaced-apart first and second temples, each temple extending rearwardly from the optical elements section and terminating at a temple end portion; onboard electronic components carried by the eyewear body at a first portion and comprising a heat source that generates heat during electrically powered operation thereof; and a thermal management device that receives heat from the heat source, comprising: a heat sink within the first temple at a second portion of the eyewear body separated from the first portion by an angled portion extending therein between, wherein the second portion includes the temple end portion; and a substantially planar thermal coupling disposed within the first temple being thermally coupled to the heat sink, the thermal coupling comprising a first section and a second section and having substantially parallel first and second edges, wherein the second edge of the first section substantially tapers towards the first edge to form a narrower portion of the thermal coupling, and wherein the heat sink in the second portion comprises a battery shield substantially housed within the temple end portion. ### Claim 2 (depends on 1) The electronic eyewear device of claim 1, wherein the first and second temples each comprise a main portion and an ear portion, and the thermal coupling is substantially contained in the main portion of the first temple. ### Claim 3 (depends on 2) The electronic eyewear device of claim 2, wherein the heat sink is substantially contained in the ear portion of the first temple. ### Claim 4 (depends on 1) The electronic eyewear device of claim 1, wherein the thermal coupling comprises a vapor chamber. ### Claim 5 (depends on 4) The electronic eyewear device of claim 4, wherein the vapor chamber is in thermal communication with at least one thermal spreader. ### Claim 6 (depends on 5) The electronic eyewear device of claim 5, wherein the at least one thermal spreader is affixed to or at least partially coats the vapor chamber. ### Claim 7 (depends on 6) The electronic eyewear device of claim 6, wherein the at least one thermal spreader is affixed to a carrier. ### Claim 8 (depends on 7) The electronic eyewear device of claim 7, wherein the carrier is made of a conductive material. ### Claim 9 (depends on 5) The electronic eyewear device of claim 5, wherein the at least one thermal spreader comprises graphite. ### Claim 10 (depends on 4) The electronic eyewear device of claim 4, wherein the vapor chamber directly contacts the heat sink. ### Claim 11 (depends on 1) The electronic eyewear device of claim 1, wherein the thermal management device further comprises a heat sink within the second temple. ### Claim 12 (depends on 11) The electronic eyewear device of claim 11, wherein the thermal management device further comprises a thermal coupling disposed within the second temple that is thermally coupled to and extending between the heat source and the heat sink. ### Claim 13 (depends on 1) The electronic eyewear device of claim 1, wherein the thermal coupling extends through the angled portion and contacts the heat sink. ### Claim 14 (depends on 1) The electronic eyewear device of claim 1, wherein the first portion comprising the heat source and the second portion comprising the heat sink are physically separated by a gap. ### Claim 15 A wearable device comprising: an eyewear body comprising at least one compartment and a first temple, wherein the first temple extends rearwardly from the at least one compartment and terminating at a temple end portion; onboard electronic components positioned within the at least one compartment and comprising at least one heat source that generates heat during electrically powered operation of the components; and a thermal management device that receives heat from the heat source, comprising: a heat sink within the temple end portion of the first temple, wherein the heat sink comprises a battery shield substantially housed within the temple end portion; and a substantially planar thermal coupling disposed within the first temple and thermally coupled to the heat sink, the thermal coupling comprising a first section and a second section and having substantially parallel first and second edges, wherein the second edge of the first section substantially tapers towards the first edge to form a narrower portion of the thermal coupling. ### Claim 16 (depends on 15) The wearable device of claim 15, wherein the thermal coupling comprises a vapor chamber. ### Claim 17 (depends on 16) The wearable device of claim 16, wherein the vapor chamber is in thermal communication with at least one thermal spreader. ### Claim 18 (depends on 16) The wearable device of claim 16, wherein the vapor chamber contacts the heat sink. ### Claim 19 (depends on 15) The wearable device of claim 15, wherein the eyewear body further comprises: a second heat source; and a second temple, wherein the second temple comprises a second thermal management device that includes a second heat sink and second thermal coupling, and wherein the second thermal coupling is thermally coupled to and extending between the second heat source and the second heat sink.