Patent SG-11201804850R-A (SG)
Title: Systems, devices, and methods for curved holographic optical elements
Inventor: ALEXANDER STEFAN
IPC: G02B27/01
Filed: 2016-12-16
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property -, I1 Organization M1111101110101011111 HO 11111 0111010110111101110101 1111110111011# International Bureau ... .1 j ..... .....!;,,, (10) International Publication Number (43) International Publication Date WO 2017/106692 Al 22 June 2017(22.06.2017) WIPO I PCT (51) International Patent Classification: G02B 27/01 (2006.01) G02B 5/32 (21) International Application Number: (22) International Filing Date: (25) Filing Language: (26) Publication Language: (30) Priority Data: 62/268,892 17 December 2015 (71) Applicant: THALMIC LABS Street West, Kitchener, Ontario N2G 1H2 (CA). (72) Inventors; and (71) Applicants : ALEXANDER, Charles Street West, Kitchener, MORRISON, Vance, R. [CA/CA]; West, Kitchener, Ontario N2G Thomas [CA/CA]; 24 Charles 16 December AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, (2006.01) BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, PCT/US2016/067246 KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, 2016 (16.12.2016) NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, English TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, English ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every (17.12.2015) US kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, INC. [CA/CA]; 24 Charles TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, Stefan [CA/CA]; 24 LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, Ontario N2G 1H2 (CA). SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, 24 Charles Street GW, KM, ML, MR, NE, SN, TD, TG). 1H2 (CA). MAHON, Published: Street West, Kitchener, — with international search report (Art. 21(3)) — before the expiration of the time limit for amending the et al.; Seed Intellectual claims and to be republished in the event of receipt of 5400, 701 Fifth Avenue, amendments (Rule 48.2(h)) (US). indicated, for every AE, AG, AL, AM, — Ontario N2G 1H2 (CA). _ (74) Agents: ABRAMONTE, Frank = Property Law Group LLP, Suite Seattle, Washington 98104-7064 (81) Designated States (unless otherwise kind = of national protection available): METHODS FOR CURVED HOLOGRAPHIC OPTICAL ELEMENTS 101 —I 102 103 optical elements (\"HOEs\") are various measures in place to com - that may result when a curvature film with various measures film is mounted. A curved replication may be performed us - particularly well-suited for use when = (54) Title: SYSTEMS, DEVICES, AND = = — 100 = = Position and orient a holographic film in a planar geometry = l' = = Optically record a hologram in the holographic film while the holographic film Is in the planar geometry, where the hologram has a holographic optical power P, that is less than a total optical power P, of the curved holographic optical element — = V Apply a curvature to the holographic film, where applying the curvature to the holographic film includes applying a geometric optical power P 6 to the holographic film, the geometric optical power P, la less than the total optical power , of the curved holographic optical element, and where the total optical power P of the curved holographic optical element r indudes an additive combination of the holographic optical power F., and the geometric optical power P c , given, at least approximately, by P., = P, +. P,, — li N 01 0 (57) : Systems, devices, and 1-1 ---- described. A hologram may be optically .- pensate for changes (e.g., in optical power and/or playback wavelength and/or angular bandwidth) L ' ..::::; is subsequently applied thereto. A hologram may be optically recorded into a curved layer of holographic N in place to compensate for optical effects of a curved transparent substrate upon which the holographic 0 HOE may be returned to a planar configuration to undergo holographic replication or holographic ,-..1 . ing a curved master HOE and curved integrated with a curved eyeglass lens FIGURE 1 methods for making, replicating, and using curved holographic recorded into a planar layer of holographic film with \"recipient\" film. The curved HOEs described herein are to form the transparent combiner of a virtual retina display.