# US 2018/0320877 A1 · Lamp with internally mounted heat dissipation device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0320877 A1 - Document ID: US20180320877A1 - Status: Published application - Kind: A1 - Application number: 16/036,047 - Filed: 2018-07-16 - Published: 2018-11-08 - Earliest claimed: 2013-07-22 - Assignees: Ledvance GmbH - Applicants: Ledvance GmbH - Inventors: Rencheng Li; Tingbiao Lan; Ran Lin; Zhian Li - Web page: https://patentgrep.com/patent/US20180320877A1 ## CPC - F21V 29/713: {in direct thermal and mechanical contact of each other to form a single system} - F21K 9/238: Arrangement or mounting of circuit elements integrated in the light source - F21V 17/005: {with keying means, i.e. for enabling the assembling of component parts in distinctive positions, e.g. for preventing wrong mounting} - F21V 17/12: by screwing - F21V 23/006: {the substrate being distinct from the light source holder} - F21V 29/507: of means for protecting lighting devices from damage, e.g. housings - F21V 29/89: Metals - F21K 9/233: specially adapted for generating a spot light distribution, e.g. for substitution of reflector lamps - F21Y 2105/10: comprising a two-dimensional [2D] array of point-like light-generating elements - F21Y 2115/10: Light-emitting diodes [LED] - F21V: FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR - F21K: NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR - F21Y: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED ## Abstract Various embodiments may relate to an illuminating device including a light engine, a housing and a driver contained in the housing, wherein the illuminating device further includes a heat dissipation device disposed in the housing which includes a substrate for supporting the light engine and an insert ring in thermal-conductive contact with the substrate. ## Claims ### Claim 1 A lamp comprising: a housing comprising a plurality of mounting poles, wherein the plurality of mounting poles includes a first plurality of mounting holes; a heat dissipation device configured to be disposed wholly within the housing, wherein the heat dissipation device includes a second plurality of mounting holes; and a holder configured to hold a light source of the lamp, wherein the holder includes a third plurality of mounting holes; wherein the first, second, and third pluralities of mounting holes align such that at least one fastening element inserted sequentially therethrough physically couples the holder and the heat dissipation device to the housing. ### Claim 2 (depends on 1) The lamp of claim 1, wherein the heat dissipation device comprises: a first portion configured to have the light source mounted thereto; and a second portion configured to surround a driver of the lamp at least partially. ### Claim 3 (depends on 2) The lamp of claim 2, wherein the holder is configured to be connected in a form-fitting manner to the first portion of the heat dissipation device. ### Claim 4 (depends on 2) The lamp of claim 2, wherein the first portion of the heat dissipation device is configured to be inserted into the holder from only one direction. ### Claim 5 (depends on 2) The lamp of claim 2, wherein the first portion of the heat dissipation device is configured to be directly lap jointed to the second portion of the heat dissipation device. ### Claim 6 (depends on 2) The lamp of claim 2, wherein the first portion of the heat dissipation device comprises a substrate. ### Claim 7 (depends on 6) The lamp of claim 6, wherein the substrate is configured to cover the driver at least partially in an axial direction. ### Claim 8 (depends on 6) The lamp of claim 6, wherein: the substrate includes a plurality of tooth-like structures formed in an outer circumferential direction thereof; and the holder includes a plurality of tooth grooves formed in an inner circumferential direction thereof and configured to receive the plurality of tooth-like structures when the substrate is inserted within the holder. ### Claim 9 (depends on 6) The lamp of claim 6, wherein the at least one fastening element clamps an edge of a circuit board of the light source directly onto the substrate. ### Claim 10 (depends on 2) The lamp of claim 2, wherein the second portion of the heat dissipation device is configured to dissipate heat from the driver in a circumferential direction with respect to a longitudinal axis of the lamp. ### Claim 11 (depends on 2) The lamp of claim 2, wherein the second portion of the heat dissipation device comprises an insert ring. ### Claim 12 (depends on 11) The lamp of claim 11, wherein the insert ring is configured to surround the driver at least partially in a circumferential direction. ### Claim 13 (depends on 2) The lamp of claim 2, further comprising a heat conducting layer disposed at a gap between at least one of: the first and second portions of the heat dissipation device; and the second portion of the heat dissipation device and the housing. ### Claim 14 (depends on 13) The lamp of claim 13, wherein the heat conducting layer comprises at least one of a heat-conductive oil and a potting material. ### Claim 15 (depends on 1) The lamp of claim 1, wherein the holder has a central aperture configured to have the light source reside therein. ### Claim 16 (depends on 1) The lamp of claim 1, wherein the housing has an open end and the heat dissipation device is configured to close off the open end in a circumferential direction when the heat dissipation device is disposed wholly within the housing. ### Claim 17 (depends on 1) The lamp of claim 1, wherein the housing defines an interior cavity configured to host a driver of the lamp. ### Claim 18 (depends on 1) The lamp of claim 1, wherein the heat dissipation device is configured to be held by the holder. ### Claim 19 (depends on 1) The lamp of claim 1, wherein the heat dissipation device is configured to be clamped between the holder and the housing. ### Claim 20 (depends on 1) The lamp of claim 1, wherein the plurality of mounting poles comprises three mounting poles arranged equidistantly with respect to one another within an interior of the housing.