Patent SG-11201909422U-A (SG)
Title: Temperature independent lcd polarization rotators
Inventor: LING EUK JIN ALEXANDER
IPC: G02F1/133
Filed: 2018-04-10
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) CORRECTED VERSION (19) World Intellectual Property Organization International Bureau (43) International Publication Date 11111111111110111111111111111111111110 1011101111011101111111111111141101111101111 (10) International Publication Number WO 2018/190774 A9 18 October 2018 (18.10.2018) MP() I P CT (51) International Patent Classification: GO2F 1/133 (2006.01) (21) International Application Number: PCT/SG2018/050182 (22) International Filing Date: 10 April 2018 (10.04.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 10201702947P 10 April 2017 (10.04.2017) SG (71) Applicant: NATIONAL UNIVERSITY OF SINGA- PORE [SG/SG]; 21 Lower Kent Ridge Road, Singapore 119077 (SG). (72) Inventors: LING, Euk Jin Alexander; c/o National Uni- versity of Singapore, Centre for Quantum Technologies, 21 Lower Kent Ridge Road, Singapore 119077 (SG). CHAN- DRASEKARA, Rakhitha; c/o National University of Sin- gapore, Centre for Quantum Technologies, 21 Lower Kent Ridge Road, Singapore 119077 (SG). DURAK, Kadir; c/o National University of Singapore, Centre for Quan- tum Technologies, 21 Lower Kent Ridge Road, Singapore 119077 (SG). (74) Agent: VIERING, JENTSCHURA & PARTNER LLP; P.O. Box 1088, Rochor Post Office, Rochor Road, Singa- pore 911833 (SG). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, 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, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, 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, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, 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, 1E, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). (54) Title: TEMPERATURE INDEPENDENT LCD POLARIZATION ROTATORS 800 tracking a capacitance value of the LCD rotator controlling a driver setting to the LCD rotator based on the tracked capacitance value to achieve temperature independent operation Figure 8 (57) : A method and circuit for operating a liquid crystal device, LCD, based polarisation rotator. The method comprises the steps of tracking a capacitance value of the LCD rotator; and controlling a driver setting to the LCD rotator based on the tracked capacitance value to achieve temperature independent operation. [Continued on next page] 802 804 WO 2018/190774 A9 IVIIIIIIIIIIIH111111VIII11111VIII111I1II111VIIIVIIIVIIIVIIIVIIIIIII111110IIIII10IIII Published: with international search report (Art. 21(3)) with information concerning authorization of rectification of an obvious mistake under Rule 91.3 (b) (Rule 48.2(i)) in black and white; the international application as filed contained color or greyscale and is available for download from PATENTSCOPE (48) Date of publication of this corrected version: 02 May 2019 (02.05.2019) (15) Information about Correction: see Notice of 02 May 2019 (02.05.2019)