# US 11,122,716 B2 · Display device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,122,716 B2 - Document ID: US11122716B2 - Status: Granted - Kind: B2 - Application number: 16/717,100 - Filed: 2019-12-17 - Published: 2020-06-25 - Granted: 2021-09-14 - Earliest claimed: 2018-12-19 - Assignees: LG Display Co., Ltd. - Applicants: LG Display Co., Ltd. - Inventors: Jinyoung Kong; Taekjung Kwon - Web page: https://patentgrep.com/patent/US11122716B2 ## CPC - H05K 7/20972: {Forced ventilation, e.g. on heat dissipaters coupled to components} - G02F 1/133385: {with cooling means, e.g. fans} - H05K 1/189: characterised by the use of flexible or folded printed circuits - H05K 5/03: Covers - H05K 7/20963: {Heat transfer by conduction from internal heat source to heat radiating structure (H05K7/20972 takes precedence)} - G02F 1/133314: {Back frames} - G02F 1/13452: {Conductors connecting driver circuitry and terminals of panels} - G02F 2201/36: Airflow channels, e.g. constructional arrangements facilitating the flow of air - H05K 1/147: {at least one of the printed circuits being bent or folded, e.g. by using a flexible printed circuit (H05K1/148 takes precedence)} - H05K 2201/10128: Display - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS - G02F: OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS ## Abstract A display device includes a display panel, a bottom cover at a rear surface of the display panel, and a heat dissipation assembly. The heat dissipation assembly includes a housing between the display panel and the bottom cover, conductive lines on two lateral sides within the housing and configured to supply electricity therethrough, and a movable member having both ends thereof supported by and electrically connected to the conductive lines to thereby be movable in a longitudinal direction of the housing. ## Claims ### Claim 1 A display device, comprising: a display panel; a bottom cover at a rear surface of the display panel; and a heat dissipation assembly including: a housing between the display panel and the bottom cover, conductive lines on two lateral sides within the housing and configured to supply electricity therethrough, and a movable member having both ends thereof supported by and electrically connected to the conductive lines to thereby be movable in a longitudinal direction of the housing. ### Claim 2 (depends on 1) The display device according to claim 1, wherein the bottom cover has a first slit extending from a front surface to a rear surface thereof at a position corresponding to the heat dissipation assembly. ### Claim 3 (depends on 2) The display device according to claim 2, wherein the first slit extends to both sides of the bottom cover in the longitudinal direction of the housing. ### Claim 4 (depends on 1) The display device according to claim 1, further comprising: a circuit film on the rear surface of the display panel, wherein one portion of the circuit film is connected to an end portion of the display panel, and the other portion of the circuit film is connected to a printed circuit board on the rear surface of the display panel, and wherein the heat dissipation assembly is between the circuit film and the bottom cover. ### Claim 5 (depends on 4) The display device according to claim 4, wherein the bottom cover further comprises: a first stepped portion protruding backward from a position corresponding to the heat dissipation assembly, the first stepped portion having a first slit extending along the housing in the longitudinal direction of the housing. ### Claim 6 (depends on 5) The display device according to claim 5, wherein the housing is attached to a front surface of the bottom cover via an adhesive, and a front surface of the housing is spaced apart from the circuit film. ### Claim 7 (depends on 6) The display device according to claim 6, wherein the housing has a communication hole aligned with the first slit. ### Claim 8 (depends on 1) The display device according to claim 1, further comprising: an inner plate attached to the rear surface of the display panel, wherein the heat dissipation assembly is between the inner plate and the bottom cover. ### Claim 9 (depends on 8) The display device according to claim 8, wherein the bottom cover further comprises: a second stepped portion protruding backward from a position corresponding to the heat dissipation assembly, the second stepped portion having a second slit extending along the housing in a longitudinal direction of the housing. ### Claim 10 (depends on 9) The display device according to claim 9, wherein the housing is attached to a rear surface of the inner plate via an adhesive, a rear surface of the housing being spaced apart from the second stepped portion. ### Claim 11 (depends on 9) The display device according to claim 9, wherein the inner plate has a slit at a position corresponding to the second stepped portion and extending in the longitudinal direction of the housing. ### Claim 12 (depends on 11) The display device according to claim 11, wherein the housing has a communication hole aligned with the second slit. ### Claim 13 (depends on 1) The display device according to claim 1, wherein the heat dissipation assembly is configured such that two or more housings are arranged side by side to adjoin each other, and the conductive lines and the movable member are within each of the housings. ### Claim 14 (depends on 1) The display device according to claim 1, wherein the housing comprises: sidewalls on peripheral portions of the housing and open in an upward direction; and a rear wall connecting bottoms of the sidewalls to provide a bottom surface, the rear wall including coupling projections protruding in the upward direction and spaced apart from the sidewalls, wherein the conductive lines are between the coupling projections and the sidewalls. ### Claim 15 (depends on 14) The display device according to claim 14, wherein the rear wall has a communication hole. ### Claim 16 (depends on 14) The display device according to claim 14, wherein the housing further comprises: a cover on inner portions of the sidewalls, the cover including a lower support supported by the sidewalls and an upper support bent from the lower support to be parallel to the rear wall of the housing, a communication hole being in the upper support. ### Claim 17 (depends on 16) The display device according to claim 16, wherein the movable member comprises: a shaft configured to extend in a lateral direction of the housing and supported on the conductive lines; and blades inwardly distanced from both ends of the shaft and protruding radially from the shaft. ### Claim 18 (depends on 17) The display device according to claim 17, wherein the shaft is between top portions of the conductive lines and a bottom portion of the lower support to be supported in both upward and downward directions, such that the shaft is movable in the longitudinal direction of the housing. ### Claim 19 (depends on 14) The display device according to claim 14, wherein position sensors on the sidewalls at one end portion and the other end portion of the housing, and configured to detect the movable member and transfer a signal to a controller. ### Claim 20 (depends on 19) The display device according to claim 19, wherein, when the signal is received from one of the position sensors, the controller changes a moving direction of the movable member by reversing a direction of current flowing through the conductive lines.