Patent SG-11201803984S-A (SG)
Title: Lighting apparatus and method of forming the same
Inventor: TJIN SWEE CHUAN
IPC: G02B6/00
Filed: 2016-11-17
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property - Organization International Bureau ires.. 00) (43) International Publication Date ..... ..sr ,„,„.1 26 May 2017(26.05.2017) WIPO I PCT (10) WO International 111111111111311111111111111111111111111111111111111111111111111111111311111111111111111 2017/086880 Publication Number Al (51) International Patent Classification: (74) Agents: MCLAUGHLIN, Michael Gerard et al.; G02B 6/00 (2006.01) G02B 1/04 (2006.01) McLaughlin Ip Pte Ltd, 24A Mosque Street, Singapore F21V 8/00 (2006.01) B29C 47/00 (2006.01) 059504 (SG). (21) International Application Number: (81) Designated States (unless otherwise indicated, for every PCT/SG2016/050570 kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, (22) International Filing Date: BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, 17 November 2016 (17.11.2016) DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, (25) Filing Language: English HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, (26) Publication Language: English MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, (30) Priority Data: OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, 10201509564S 20 November 2015 (20.11.2015) SG 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, (71) Applicants: NANYANG TECHNOLOGICAL UNI- ZW. VERSITY [SG/SG]; 50 Nanyang Avenue, Singapore Designated States indicated, 639798 (SG). TECHNOLITE (SINGAPORE) PTE LTD (84) (unless otherwise for every [SG/SG]; 25 Tagore Lane, #03-10 Singapore G Building, kind of regional protection available): ARIPO (BW, GH, Singapore 787602 (SG). GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, (72) Inventors: TJIN, Swee Chuan; c/o Nanyang Technologic- TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, al University, 50 Nanyang Avenue, Singapore 639798 DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, (SG). YOO, Seongwoo; c/o Nanyang Technological Uni- LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, 50 Nanyang Avenue, Singapore 639798 versity, (SG). SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, @ Tay Ho Meng; do Technolite (Singa- CHIA, Ho Meng GW, KM, ML, MR, NE, SN, TD, TG). Pte Ltd, 25 Tagore Lane, #03-10 Singapore G Build- pore) ing, Singapore 787602 (SG). [Continued on next page] (54) Title: LIGHTING APPARATUS AND METHOD OF FORMING THE SAME (57) : According to embodiments of the present invention, a lighting apparatus is provided. The 500 1 4 _ 08 i 0. 504 lighting apparatus includes at least one light source 502a CH ,0* t k I tif lov #4,4 , k , A o t.:0:20 . ii . „ 4, ifr configured to a source light, an optical wave- --- N ,:, 7 ---5-° 2 b provide t,,,,A, :VS,. ,T A, , t,,E0 , A. \" \"V '''.*r '''-/ 4..- - ` , ,,, LC, guide optically coupled to the at least one light source, . /.9$ 505a 506 503 ---- N..._.505b the optical waveguide having at least one input region 503 through which the source light enters the optical wave- L. ight 554 guide for propagation within the optical waveguide, st;, , light interacting and a plurality of structures arranged within the optical waveguide, the plurality of light in- teracting structures adapted to interact with the source length light to provide an illumination light emitted from the Sca :£ or (rims- 555 \"-\"- optical waveguide to an ambient environment, wherein reficctof __ a concentration of the plurality of light interacting concwitranon structures increases, along a length of the optic- portion al waveguide, in a direction away from the at least one input region. .4t il kiMEMMO r 0 GC GC 556 C) t„r Ot 0 FIG. 5A IN 1-1 0 N O WO 2017/086880 A111111111111111011101011111111010H10111111111111111111111111111111111111111111111111111 Published: — with international search report (Art. 21(3))