# US 2014/0152906 A1 · Display Device and Thin Television Set > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0152906 A1 - Document ID: US20140152906A1 - Status: Published application - Kind: A1 - Application number: 14/090,769 - Filed: 2013-11-26 - Published: 2014-06-05 - Earliest claimed: 2012-11-30 - Assignees: Funai Electric Co., Ltd. - Applicants: Funai Electric Co., Ltd. - Inventors: Akira YOKAWA; Akihiro FUJIKAWA; Yasuyuki FUKUMOTO - Web page: https://patentgrep.com/patent/US20140152906A1 ## CPC - H05K 7/20963: {Heat transfer by conduction from internal heat source to heat radiating structure (H05K7/20972 takes precedence)} - G02B 6/0085: {Means for removing heat created by the light source from the package} - H04N 5/64: Constructional details of receivers, e.g. cabinets or dust covers (furniture aspects {of television cabinets} A47B81/06) - H04N 5/655: Construction or mounting of chassis, e.g. for varying the elevation of the tube - H05K 7/209: {Heat transfer by conduction from internal heat source to heat radiating structure (H05K7/20909 takes precedence)} - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION ## Abstract This display device includes a heat radiation member made of metal, configured to radiate heat generated from a light source portion, a rear housing arranged on the rear side of the heat radiation member, a substrate mounting member made of sheet metal, mounted with a circuit substrate, and a cover member covering the substrate mounting member from the rear side of the substrate mounting member in a state where the rear surface of the rear housing is exposed to the outside, while the heat radiation member is arranged to come into contact with the substrate mounting member. ## Claims ### Claim 1 A display device comprising: a light source portion; a heat radiation member made of metal, arranged in contact with the light source portion, configured to radiate heat generated from the light source portion; a rear housing arranged on a rear side of the heat radiation member; a substrate mounting member made of sheet metal, mounted on the rear housing, mounted with a circuit substrate; and a cover member covering the substrate mounting member from a rear side of the substrate mounting member in a state where a rear surface of the rear housing is exposed to an outside, wherein the heat radiation member is arranged to come into contact with the substrate mounting member. ### Claim 2 (depends on 1) The display device according to claim 1, wherein the rear housing includes a region including an opening or a notch, and the substrate mounting member and the cover member are mounted on the region including the opening or the notch of the rear housing. ### Claim 3 (depends on 2) The display device according to claim 2, wherein the light source portion is arranged on a side of the heat radiation member opposite to the substrate mounting member, and a rear surface of the heat radiation member and a front surface of the rear housing are arranged to be opposed to each other through a space from a side of the light source portion to a side of the substrate mounting member. ### Claim 4 (depends on 3) The display device according to claim 3, wherein a space ensuring rib or a spacer coming into contact with the rear surface of the heat radiation member, having a prescribe length as a distance from the rear housing to the heat radiation member is arranged on the front surface of the rear housing. ### Claim 5 (depends on 4) The display device according to claim 4, wherein the space ensuring rib protruding to the heat radiation member to come into contact with the rear surface of the heat radiation member, having the prescribed length is integrally formed on the front surface of the rear housing. ### Claim 6 (depends on 4) The display device according to claim 4, wherein the circuit substrate is mounted on the rear side of the substrate mounting member and is arranged to be separated from the cover member by a prescribed distance longer than the prescribed length. ### Claim 7 (depends on 2) The display device according to claim 2, wherein the rear housing has a rectangular outer shape, the light source portion is arranged along an end side extending in a vertical direction of the rear housing having the rectangular outer shape, the substrate mounting member is arranged in a vicinity of a central portion of the rear housing, and the heat radiation member is formed to extend in a horizontal direction from a side of the light source portion to a side of the substrate mounting member. ### Claim 8 (depends on 7) The display device according to claim 7, wherein the region including the opening or the notch of the rear housing has a rectangular shape, and the heat radiation member is formed to extend along the end side extending in the vertical direction of the rear housing having the rectangular outer shape, extend in the horizontal direction from the side of the light source portion to the side of the substrate mounting member, and extend in the vertical direction along an end side extending in the vertical direction of the region including the opening or the notch having the rectangular shape. ### Claim 9 (depends on 8) The display device according to claim 8, wherein the substrate mounting member has a rectangular shape corresponding to that of the region including the opening or the notch having the rectangular shape of the rear housing, and the heat radiation member extends in the vertical direction along an end side extending in the vertical direction of the substrate mounting member having the rectangular shape to be longer than the end side extending in the vertical direction of the substrate mounting member. ### Claim 10 (depends on 1) The display device according to claim 1, wherein the heat radiation member is arranged to come into contact with the substrate mounting member by holding the substrate mounting member between the heat radiation member and the rear housing in a state where the heat radiation member is fastened to the rear housing by a fastening member. ### Claim 11 (depends on 10) The display device according to claim 10, wherein the substrate mounting member held between the heat radiation member and the rear housing and a vicinity of a portion of the heat radiation member fastened by the fastening member are arranged to come into surface contact with each other. ### Claim 12 (depends on 1) The display device according to claim 1, wherein a stiffening rib separated from a rear surface of the heat radiation member without contact is formed on a front surface of the rear housing to extend in a vertical direction. ### Claim 13 (depends on 8) The display device according to claim 8, wherein a heat radiation fin extending from a vicinity of an upper end of a rear surface of the heat radiation member to a vicinity of a lower end of the rear surface of the heat radiation member is integrally formed on the rear surface of the heat radiation member, and an air hole is formed in each of portions of the rear housing corresponding to an upper end and a lower end of the heat radiation fin. ### Claim 14 (depends on 13) The display device according to claim 13, wherein the heat radiation fin is formed to protrude and extend from the rear surface of the heat radiation member toward the rear housing, and an end of the heat radiation fin closer to the rear housing is formed to be separated from a front surface of the rear housing without contact. ### Claim 15 (depends on 1) The display device according to claim 1, wherein the heat radiation member has an end bent in an L-shape on an opposite side to the substrate mounting member and includes a light source mounting portion configured to mount the light source portion on the end bent in the L-shape, and the light source portion is mounted on the light source mounting portion of the heat radiation member through a heat radiation tape for heat radiation. ### Claim 16 A thin television set receiving television broadcasting, comprising: a light source portion; a heat radiation member made of metal, arranged in contact with the light source portion, configured to radiate heat generated from the light source portion; a rear housing arranged on a rear side of the heat radiation member; a substrate mounting member made of sheet metal, mounted on the rear housing, mounted with a circuit substrate; and a cover member covering the substrate mounting member from a rear side of the substrate mounting member in a state where a rear surface of the rear housing is exposed to an outside, wherein the heat radiation member is arranged to come into contact with the substrate mounting member. ### Claim 17 (depends on 16) The thin television set according to claim 16, wherein the rear housing includes a region including an opening or a notch, and the substrate mounting member and the cover member are mounted on the region including the opening or the notch of the rear housing. ### Claim 18 (depends on 17) The thin television set according to claim 17, wherein the light source portion is arranged on a side of the heat radiation member opposite to the substrate mounting member, and a rear surface of the heat radiation member and a front surface of the rear housing are arranged to be opposed to each other through a space from a side of the light source portion to a side of the substrate mounting member. ### Claim 19 (depends on 18) The thin television set according to claim 18, wherein a space ensuring rib or a spacer coming into contact with the rear surface of the heat radiation member, having a prescribe length as a distance from the rear housing to the heat radiation member is arranged on the front surface of the rear housing. ### Claim 20 (depends on 19) The thin television set according to claim 19, wherein the space ensuring rib protruding to the heat radiation member to come into contact with the rear surface of the heat radiation member, having the prescribed length is integrally formed on the front surface of the rear housing.