# US 12,193,189 B2 · Portable electronic device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,193,189 B2 - Document ID: US12193189B2 - Status: Granted - Kind: B2 - Application number: 17/774,950 - Filed: 2019-11-15 - Published: 2022-12-08 - Granted: 2025-01-07 - Earliest claimed: 2019-11-15 - Assignees: Sony Group Corporation - Applicants: Sony Group Corporation - Inventors: Kiyohito Masuda; Kosuke Kuwahara - Web page: https://patentgrep.com/patent/US12193189B2 ## CPC - H01Q 1/02: Arrangements for de-icing; Arrangements for drying-out {; Arrangements for cooling; Arrangements for preventing corrosion} - H05K 7/2039: {characterised by the heat transfer by conduction from the heat generating element to a dissipating body (arrangements for increasing/decreasing heat-transfer, e.g. fins details, F28F13/00)} - H01Q 1/243: {with built-in antennas} - H01Q 21/28: Combinations of substantially independent non-interacting antenna units or systems {(multiple beam H01Q25/00)} - H05K 7/20336: {Heat pipes, e.g. wicks or capillary pumps} - H04M 1/026: {Details of the structure or mounting of specific components} - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS - H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08) ## Abstract A portable electronic device includes a housing, an antenna module that is disposed in the vicinity of an inner surface of the housing with a gap from the inner surface, and a first heat diffusion member that is provided in the housing to be separated from the inner surface of the housing and is thermally connected to the antenna module. A path through which heat generated by the antenna module is transferred along the first heat diffusion member, is separated from the inner surface of the housing. ## Claims ### Claim 1 A portable electronic device, comprising: a housing that includes: a pair of main surface portions, wherein a first main surface portion of the pair of main surface portions includes a support portion that supports a display panel; a chassis member that includes a recessed portion; a first heat generating element; an antenna module in a vicinity of an inner surface of the housing, wherein a gap is present between the antenna module and the inner surface of the housing; a first heat diffusion member in the housing, wherein the first heat diffusion member is separated from the inner surface of the housing, the first heat diffusion member is thermally connected to the antenna module, and a path through which heat generated by the antenna module is transferred along the first heat diffusion member is separated from the inner surface of the housing; and a third heat diffusion member in the recessed portion of the chassis member, wherein the third heat diffusion member is in thermal contact with an inner surface of the recessed portion, the third heat diffusion member is separated from the inner surface of the housing, and heat generated by the first heat generating element is transferred to the third heat diffusion member via the support portion of the chassis member. ### Claim 2 (depends on 1) The portable electronic device according to claim 1, wherein the housing further includes a plurality of side surface portions that connect the pair of main surface portions, the antenna module is in a vicinity of an inner surface of the plurality of side surface portions with the gap between the antenna module and the inner surface of the housing, and the first heat diffusion member is along the first main surface portion of the pair of main surface portions and is separated from an inner surface of the pair of main surface portions and the inner surface of the plurality of side surface portions. ### Claim 3 (depends on 2) The portable electronic device according to claim 2, further comprising a second heat diffusion member in the housing, wherein the second heat diffusion member thermally connects the antenna module and the first heat diffusion member. ### Claim 4 (depends on 2) The portable electronic device according to claim 2, wherein the plurality of side surface portions of the housing includes two pairs of side surface portions that faces each other, the antenna module is in a vicinity of an inner surface of each surface portion of the two pairs of side surface portions, and an outer peripheral portion of the first heat diffusion member is extended to the antenna module and is in contact with the antenna module. ### Claim 5 (depends on 3) The portable electronic device according to claim 3, further comprising a circuit board in the housing, wherein the first heat generating element is on the circuit board, and the first heat generating element is thermally connected to the third heat diffusion member. ### Claim 6 (depends on 3) The portable electronic device according to claim 3, wherein the second heat diffusion member is one of a sheet-like heat dissipation material or a heat dissipation structure. ### Claim 7 (depends on 5) The portable electronic device according to claim 5, wherein the first main surface portion of the pair of main surface portions and the plurality of side surface portions are connected in the chassis member. ### Claim 8 (depends on 5) The portable electronic device according to claim 5, further comprising a second heat generating element on the circuit board, wherein the second heat generating element is thermally connected to the first heat diffusion member. ### Claim 9 (depends on 1) The portable electronic device according to claim 1, wherein a heat insulating material is disposed in the gap. ### Claim 10 (depends on 1) The portable electronic device according to claim 1, wherein the first heat diffusion member is one of a sheet-like heat dissipation material or a heat dissipation structure. ### Claim 11 (depends on 1) The portable electronic device according to claim 1, wherein the first heat diffusion member is at least one of a graphite sheet, a graphene sheet, a metal plate, a vapor chamber, a heat pipe, or a heat sink. ### Claim 12 (depends on 1) The portable electronic device according to claim 1, wherein the third heat diffusion member is one of a sheet-like heat dissipation material or a heat dissipation structure. ### Claim 13 (depends on 1) The portable electronic device according to claim 1, wherein the third heat diffusion member is at least one of a graphite sheet, a graphene sheet, a metal plate, a vapor chamber, a heat pipe, or a heat sink.