# US 2023/0265286 A1 · Composite plastic material and lamp structures made thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2023/0265286 A1 - Document ID: US20230265286A1 - Status: Published application - Kind: A1 - Application number: 17/054,557 - Filed: 2020-11-10 - Published: 2023-08-24 - Earliest claimed: 2020-11-10 - Assignees: Yi Deng - Inventors: Yi DENG - Web page: https://patentgrep.com/patent/US20230265286A1 ## CPC - C08L 77/00: Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain (of polyhydrazides C08L79/06; of polyamideimides or polyamide acids C08L79/08); Compositions of derivatives of such polymers - C08K 3/08: Metals - C08K 3/26: Carbonates; Bicarbonates - C08K 7/14: Glass - F21S 41/19: Attachment of light sources or lamp holders (achieving variable light distribution by movable light sources F21S41/657) - F21S 45/48: with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting device - F21V 15/01: Housings, e.g. material or assembling of housing parts (F21V15/02 takes precedence {housings forming signs or letters G09F13/04}) - F21V 29/87: Organic material, e.g. filled polymer composites; Thermo-conductive additives or coatings therefor - B60Q 1/0088: {Details of electrical connections (B60Q1/305 takes precedence; electrical connection of the light source itself F21S41/192, F21S43/195)} - B60Q 1/0483: {mounted on a bracket, e.g. details concerning the mouting of the lamps on the vehicle body} - B60Q 1/24: for lighting other areas than only the way ahead - B60Q 2800/20: Utility vehicles, e.g. for agriculture, construction work - C08K 2003/265: {Calcium, strontium or barium carbonate} - C08K 2201/014: Additives containing two or more different additives of the same subgroup in C08K - C08L 2203/20: use in electrical or conductive gadgets - F21S 45/30: Ventilation or drainage of lighting devices - C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06) - C08K: Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives C09) - F21S: NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS - F21V: FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR - B60Q: ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL ## Abstract The present disclosure provides a lamp structure including a shell made of a thermal plastic material with improved heat conductivity. In some embodiments, the thermal plastic material includes a thermal conductive filler comprising nylon, calcium carbonate, metal power, glass fiber, and paraffin wax. ## Claims ### Claim 1 A thermal plastic filler composition, comprising: about 30% to about 50% by weight of nylon; and about 30% to about 50% by weight of calcium carbonate. ### Claim 2 (depends on 1) The composition of claim 1, further comprising: about 10% to about 15% by weight of metal powder. ### Claim 3 (depends on 2) The composition of claim 2, further comprising: about 4% to about 8% by weight of glass fiber. ### Claim 4 (depends on 3) The composition of claim 3, further comprising: about 2% to about 6% by weight of paraffin wax. ### Claim 5 A plastic material, comprising: about 70% to about 30% of a thermoplastic; and about 30% to about 70% of the thermal plastic filler comprising: about 30% to about 50% by weight of nylon; and about 30% to about 50% by weight of calcium carbonate. ### Claim 6 (canceled) ### Claim 7 A lamp structure, comprising: a shell; a transparent window attached to the shell, wherein the shell and the transparent window define an inner volume; and a lighting unit disposed in the inner volume, wherein the lighting unit includes a printed circuit board (PCB), the PCB includes one or more lights on a front surface, and a back surface of the PCB is pressed against an inner wall of the shell. ### Claim 8 (depends on 7) The lamp structure of claim 7, wherein the shell is made of a plastic material added with 40-60% by weight of a thermal conductive filler. ### Claim 9 (depends on 8) The lamp structure of claim 8, wherein the thermal conductive filler comprises: nylon; calcium carbonate; metal powder; glass fiber; and industrial paraffin. ### Claim 10 (depends on 9) The lamp structure of claim 9, wherein the thermal conductive filler comprises: about 30% to about 50% by weight of nylon; and about 30% to about 50% by weight of calcium carbonate. ### Claim 11 (depends on 7) The lamp structure of claim 7, further comprising: a breathing valve disposed in a through hole formed through the shell. ### Claim 12 (depends on 7) The lamp structure of claim 7, wherein the shell includes: one or more screw columns extending from the inner wall, wherein the one or more screw columns extend through notches formed in the PCB. ### Claim 13 (depends on 12) The lamp structure of claim 12, further comprising: one or more screw caps, wherein each screw cap sleeves over a screw column and presses on the front surface of the PCB; and one or more screws fastened to screw holes in the one or more screw columns. ### Claim 14 (depends on 11) The lamp structure of claim 11, wherein the PCB has a through hole aligned with the through hole through the shell. ### Claim 15 (depends on 7) The lamp structure of claim 7, further comprising a power connection block integrally formed on the shell. ### Claim 16 (depends on 7) The lamp structure of claim 7, wherein the shell made of a plastic material comprising a thermal conductive filler, and the thermal conductive filler comprises: about 30% to about 50% by weight of nylon; and about 30% to about 50% by weight of calcium carbonate. ### Claim 17 (depends on 16) The lamp structure of claim 16, wherein the plastic material comprises: about 70% to about 30% of a thermoplastic; and about 30% to about 70% of the thermal plastic filler. ### Claim 18 (depends on 17) The lamp structure of claim 17, wherein the thermal conductive filler further comprises: metal powder; glass fiber; and industrial paraffin. ### Claim 19 (depends on 5) The plastic material of claim 5, wherein the thermal conductive fille further comprises: about 10% to about 15% by weight of metal powder. ### Claim 20 (depends on 19) The plastic material of claim 19, wherein the thermal conductive fille further comprises: about 4% to about 8% by weight of glass fiber. ### Claim 21 (depends on 20) The plastic material of claim 20, wherein the thermal conductive fille further comprises: about 2% to about 6% by weight of paraffin wax.