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1. (WO2010114254) LIQUID LENS, AND METHOD FOR MANUFACTURING SAME
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2010/114254    International Application No.:    PCT/KR2010/001827
Publication Date: 07.10.2010 International Filing Date: 25.03.2010
IPC:
G02B 3/14 (2006.01), G02B 3/12 (2006.01)
Applicants: KYUNGPOOK NATIONAL UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION [KR/KR]; Kyungpook National University 1370 Sangyeok-Dong, Buk-gu Daegu 702-701 (KR) (For All Designated States Except US).
KONG, Seong Ho [KR/KR]; (KR) (For US Only).
KIM, Hak Rin [KR/KR]; (KR) (For US Only)
Inventors: KONG, Seong Ho; (KR).
KIM, Hak Rin; (KR)
Agent: LEE, Ji-Yeon; Suite 301 Chungdong Building 1659-2 Inhundong, Gwanak-gu Seoul 151-832 (KR)
Priority Data:
10-2009-0028140 01.04.2009 KR
10-2009-0028141 01.04.2009 KR
Title (EN) LIQUID LENS, AND METHOD FOR MANUFACTURING SAME
(FR) LENTILLE LIQUIDE ET SON PROCÉDÉ DE FABRICATION
(KO) 액체렌즈 및 그의 제조방법
Abstract: front page image
(EN)The present invention relates to a liquid lens which can be focused by an electrical signal and/or fluid pressure. The liquid lens of the present invention comprises: a receptacle which has a cavity with a hemispherical side cross-section, and which receives, in the cavity, an insulating liquid droplet and a conductive liquid droplet which are not mixed with each other and which have the same density; a lower substrate coupled to the lower surface of the receptacle to close the lower surface of the cavity; and an upper substrate coupled to the upper surface of the receptacle to close the upper surface of the cavity, wherein said receptacle includes: an outer wall in which the cavity is formed; a first electrode which is formed at the inner surface of the outer wall, and one end of which is connected to an external power source; a first insulating film which is laminated on the surface of the first electrode, and contacts said conductive liquid droplet and the insulating liquid droplet; and a second electrode which is laminated on a portion of the surface of the first insulating film, and one end of which contacts said conductive liquid droplet and the other end of which is connected to said external power source. The present invention improves the structure of the cavity of the receptacle to achieve efficient focusing using a low driving voltage.
(FR)La présente invention concerne une lentille liquide qui peut être focalisée par un signal électrique et/ou une pression de fluide. La lentille liquide de la présente invention comprend : un réceptacle qui comporte une cavité ayant une section transversale latérale hémisphérique et qui reçoit, dans la cavité, une gouttelette de liquide isolant et une gouttelette de liquide conducteur qui ne sont pas mélangées l'une à l'autre et qui ont la même densité; un substrat inférieur relié à la surface inférieure du réceptacle pour fermer la surface inférieure de la cavité; et un substrat supérieur relié à la surface supérieure du réceptacle pour fermer la surface supérieure de la cavité, ledit réceptacle comprenant : une paroi extérieure dans laquelle est formée la cavité; une première électrode qui est formée sur la surface intérieure de la paroi extérieure, et dont une extrémité est connectée à une source d'alimentation électrique externe; un premier film isolant qui est stratifié sur la surface de la première électrode et est en contact avec ladite gouttelette de liquide conducteur et la gouttelette de liquide isolant; et une seconde électrode qui est stratifiée sur une partie de la surface du premier film isolant et dont une extrémité est en contact avec ladite gouttelette de liquide conducteur et dont l'autre extrémité est connectée à ladite source d'alimentation électrique externe. La présente invention améliore la structure de la cavité du réceptacle pour permettre une focalisation efficace au moyen d'une faible tension d'attaque.
(KO)본 발명은 전기적 신호 및/또는 유체압으로 초점조절이 가능한 액체렌즈에 관한 것이다. 상기 발명은 측단면의 모양이 반구형인 캐비티를 가지며, 상기 캐비티를 이용하여 서로 혼화되지 않고 밀도가 동일한 절연성 액적과 전도성 액적을 수용하는 수용체; 상기 수용체의 하부면과 결합되어 상기 캐비티의 하부면을 밀폐시키는 하부기판; 및 상기 수용체의 상부면과 결합되어 상기 캐비티의 상부면을 밀폐시키는 상부기판;을 구비하고, 상기 수용체는, 상기 캐비티가 형성된 외벽과, 상기 외벽의 내측면에 형성되며 일단이 외부 전원과 연결되는 제1전극과, 상기 제1전극의 표면에 적층형성되며 상기 전도성 액적 및 상기 절연성 액적과 접촉하는 제1절연막과, 상기 제1절연막의 표면의 일부영역에 적층형성되며 일단이 상기 전도성 액적과 접촉되고 타단이 상기 외부 전원과 연결되는 제2전극을 포함하는 것을 특징으로 한다. 본 발명은 수용체의 캐비티의 구조를 개선함으로써 작은 구동 전압으로 보다 효율적인 초점 조절이 가능하다.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PE, PG, PH, PL, PT, RO, RS, RU, 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.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LR, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language: Korean (KO)
Filing Language: Korean (KO)