# US 2019/0040318 A1 · Lyotropic liquid crystal polymer and small molecule solutions and films > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0040318 A1 - Document ID: US20190040318A1 - Status: Published application - Kind: A1 - Application number: 16/050,371 - Filed: 2018-07-31 - Published: 2019-02-07 - Earliest claimed: 2017-08-02 - Assignees: Light Polymers Holding - Applicants: Light Polymers Holding - Inventors: Valeriy Kuzmin; Evgeny Morozov - Web page: https://patentgrep.com/patent/US20190040318A1 ## CPC - C09K 19/066: {containing one heterocyclic ring having oxygen as heteroatom} - C09K 19/322: {Compounds containing a naphthalene ring or a completely or partially hydrogenated naphthalene ring} - C09K 19/54: Additives having no specific mesophase {characterised by their chemical composition} - G02B 5/3016: {involving passive liquid crystal elements (optical properties of liquid crystals G02F1/0063; polarising elements associated with active liquid crystal devices G02F1/133528)} - G02B 5/3025: {Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state (G02B5/3008, G02B5/3016 take precedence)} - G02B 5/3083: {Birefringent or phase retarding elements (G02B5/3008, G02B5/3016 take precedence; systems for polarisation control G02B27/286; manufacturing phase modulating patterns by lithographic processes G03F7/001)} - C09K: MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS ## Abstract A composition includes an aqueous mixture of birefringent small molecules and a birefringent polymer. The birefringent small molecules are of a structure: or a salt thereof. The birefringent polymer is of a structure: or salt thereof, where n is an integer in a range from 25 to 10,000. ## Claims ### Claim 1 A composition comprising: an aqueous mixture comprising birefringent small molecules and a birefringent polymer, wherein the birefringent small molecules are of a structure: or a salt thereof. ### Claim 2 (depends on 1) The composition according to claim 1, wherein the birefringent polymer is of a structure: or a salt thereof, wherein n is an integer in a range from 25 to 10,000. ### Claim 3 (depends on 2) The composition according to claim 2, wherein the birefringent polymer is present in the composition in a range from 50 to 90 wt. % dry solids. ### Claim 4 (depends on 3) The composition according to claim 3, wherein the birefringent polymer is present in the composition in a range from 60 to 80 wt. % dry solids. ### Claim 5 (depends on 1) The composition according to claim 1, wherein the birefringent small molecules are present in the composition in a range from 50 to 10 wt. % dry solids. ### Claim 6 (depends on 5) The composition according to claim 5, wherein the birefringent small molecules are present in the composition in a range from 40 to 20 wt. % dry solids. ### Claim 7 (depends on 2) The composition according to claim 2, wherein the birefringent small molecules are present in the composition in a range from 30 to 25 wt. % dry solids, and the birefringent polymer is present in the composition in a range from 70 to 75 wt. % dry solids. ### Claim 8 (depends on 2) The composition according to claim 2, wherein the birefringent small molecules are present in the composition in a range from 35 to 30 wt. % dry solids, and the birefringent polymer is present in the composition in a range from 65 to 70 wt. % dry solids. ### Claim 9 A composition comprising: an aqueous mixture comprising birefringent small molecules and a birefringent polymer, wherein the birefringent small molecules are of a structure: or a salt thereof; and the birefringent polymer is of a structure: or salt thereof, wherein n is an integer in a range from 25 to 10,000; and the birefringent polymer is present in the composition in a range from 50 to 90 wt. % dry solids, and the birefringent small molecules are present in the composition in a range from 50 to 10 wt. % dry solids. ### Claim 10 (depends on 9) The composition according to claim 9, wherein the birefringent small molecules are present in the composition in a range from 30 to 25 wt. % dry solids, and the birefringent polymer is present in the composition in a range from 70 to 75 wt. % dry solids. ### Claim 11 (depends on 9) The composition according to claim 9, wherein the birefringent small molecules are present in the composition in a range from 35 to 30 wt. % dry solids, and the birefringent polymer is present in the composition in a range from 65 to 70 wt. % dry solids. ### Claim 12 (depends on 9) A method of forming a retarder layer comprising: shear coating the composition of claim 9 onto a substrate along a shear coating direction to form an aligned aqueous layer; drying the aligned aqueous layer to form a retarder layer. ### Claim 13 (depends on 12) The method according to claim 12, wherein the drying step forms a retarder layer with a thickness in a range from 1 to 10 micrometers, or in a range from 1 to 5 micrometers. ### Claim 14 A retarder layer comprising: birefringent small molecules and a birefringent polymer, wherein the birefringent small molecules are of a structure: or a salt thereof; and the birefringent polymer is of a structure: or a salt thereof, wherein n is an integer in a range from 25 to 10,000. ### Claim 15 (depends on 14) The retarder layer according to claim 14, wherein the birefringent polymer is present in the retarder layer in a range from 50 to 90 wt. % dry solids, or from 60 to 80 wt. % dry solids, and the birefringent small molecules are present in the retarder layer in a range from 50 to 10 wt. % dry solids, or from 40 to 20 wt. % dry solids. ### Claim 16 (depends on 14) The retarder layer according to claim 14, wherein the birefringent small molecules are present in the retarder layer in a range from 30 to 25 wt. % dry solids, and the birefringent polymer is present in the retarder layer in a range from 70 to 75 wt. % dry solids. ### Claim 17 (depends on 14) The retarder layer according to claim 14, wherein the birefringent small molecules are present in the retarder layer in a range from 35 to 30 wt. % dry solids, and the birefringent polymer is present in the retarder layer in a range from 65 to 70 wt. % dry solids. ### Claim 18 (depends on 14) The retarder layer according to claim 14, wherein the retarder layer has a thickness in a range from 1 to 10 micrometers. ### Claim 19 (depends on 18) The retarder layer according to claim 18, wherein the retarder layer has a thickness in a range from 1 to 5 micrometers. ### Claim 20 (depends on 14) A circular polarizer comprising: a linear polarizer; and a retarder, according to claim 14, in optical communication with the linear polarizer. ### Claim 21 (depends on 14) A display comprising: a display panel; a polarizer; and a retarder, according to claim 14, optically positioned between the display panel and the polarizer. ### Claim 22 (depends on 21) The display according to claim 21, wherein the display panel comprises a liquid crystal display panel. ### Claim 23 (depends on 21) The display according to claim 21, wherein the display panel comprises an organic light emitting diode display panel. ### Claim 24 (depends on 21) The display according to claim 21 wherein the polarizer and the retarder form a circular polarizer.