# US 2020/0399467 A1 · Camera lens retainer for vehicle > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2020/0399467 A1 - Document ID: US20200399467A1 - Status: Published application - Kind: A1 - Application number: 16/898,369 - Filed: 2020-06-10 - Published: 2020-12-24 - Earliest claimed: 2019-06-20 - Assignees: Hyundai Mobis Co., Ltd. - Applicants: Hyundai Mobis Co., Ltd. - Inventors: Hyoung Taek KANG; Keun Hyung LEE - Web page: https://patentgrep.com/patent/US20200399467A1 ## CPC - C08L 77/06: Polyamides derived from polyamines and polycarboxylic acids (C08L77/10 takes precedence) - C08L 77/02: Polyamides derived from omega-amino carboxylic acids or from lactams thereof (C08L77/10 takes precedence) - G02B 7/021: {for more than one lens} - C08L 2205/025: containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure - C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06) - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS ## Abstract The present disclosure relates to a camera lens retainer for a vehicle. In one embodiment, the camera lens retainer for a vehicle is a camera lens retainer for a vehicle in which an inorganic filler is dispersed in a polyamide-based resin matrix, wherein the camera lens retainer includes about 30 wt % to about 60 wt % of a polyamide-based resin and about 40 wt % to about 70 wt % of an inorganic filler, wherein the polyamide-based resin includes one or more of: a first polyamide resin including an aliphatic polyamide resin obtained by ring-opening polymerization of a lactam-based monomer having 8 or more carbon atoms; and a second polyamide resin including an aromatic group-containing polyamide resin obtained by polycondensation of an aromatic dicarboxylic acid monomer and a diamine monomer. ## Claims ### Claim 1 A camera lens retainer for a vehicle, comprising: about 30 wt % to about 60 wt % of a polyamide-based resin comprising one or more of 1) a first polyamide resin including an aliphatic polyamide resin made by ring-opening polymerization of a lactam-based monomer having 8 or more carbon atoms; and 2) a second polyamide resin including an aromatic group-containing polyamide resin made by polycondensation of an aromatic dicarboxylic acid monomer and a diamine monomer; and about 40 wt % to about 70 wt % of an inorganic filler, wherein the weight percent of the polyamide-based resin and inorganic filler is based on a total weight of the camera lens retainer. ### Claim 2 (depends on 1) The camera lens retainer of claim 1, wherein the diamine monomer comprises an aliphatic diamine having 2 to 12 carbon atoms. ### Claim 3 (depends on 1) The camera lens retainer of claim 1, wherein the first polyamide resin comprises one or more of a polyamide 12 and a polyamide 612, and the second polyamide resin comprises polyphthalamide. ### Claim 4 (depends on 1) The camera lens retainer of claim 1, wherein the polyamide resin comprises the first polyamide resin to the second polyamide resin having a weight ratio of about 1:0.5 to about 1:5. ### Claim 5 (depends on 1) The camera lens retainer of claim 1, wherein the inorganic filler comprises an inorganic fiber, comprising one or more of a glass fiber, a carbon fiber, a silica fiber, a potassium titanate fiber, a titanium fiber, an aramid fiber, and an asbestos fiber. ### Claim 6 (depends on 5) The camera lens retainer of claim 5, wherein the inorganic fiber has an average diameter of about 3 μm to about 15 μm and an average length of about 0.05 mm to about 5 mm. ### Claim 7 (depends on 1) The camera lens retainer of claim 1, wherein the camera lens retainer further comprises about 0.01 wt % to about 1 wt % of carbon black based on the total weight of the camera lens retainer. ### Claim 8 (depends on 1) The camera lens retainer of claim 1, wherein the camera lens retainer has a high-speed surface impact strength of more than about 300 N as measured in accordance with ISO 6603 standard on a 1-mm-thick specimen at a falling speed of 4.4 m/s, and a linear expansion coefficient being an average value in the machine direction and the transverse direction of about 45 or less in a temperature range from −40° C. to 100° C., as measured in accordance with the ISO 11359 standard. ### Claim 9 (depends on 1) The camera lens retainer of claim 1, wherein the camera lens retainer has a linear expansion coefficient in the machine direction of about 5×10−6/° C. to about 20×10−6/° C. in a temperature range from −40° C. to 100° C. and a linear expansion coefficient in the transverse direction of about 35×10−6/° C. to about 75×10−6/° C. in a temperature range from −40° C. to 100° C., as measured in accordance with ISO 11359 standard. ### Claim 10 (depends on 1) The camera lens retainer of claim 1, wherein the camera lens retainer has a specific gravity of about 1.2 to about 1.9 as measured in accordance with ISO 1183, a flexural strength of about 220 MPa or more as measured in accordance with ISO 178, a flexural modulus of about 14,000 MPa or more as measured in accordance with ISO 178, and a notched impact strength of about 10 kJ/m2 or more as measured in accordance with ISO 179/1eA standard (23° C.) on a 4-mm-thick specimen.