(19)
(11) EP 1 357 331 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
26.04.2006 Bulletin 2006/17

(43) Date of publication A2:
29.10.2003 Bulletin 2003/44

(21) Application number: 03252581.8

(22) Date of filing: 24.04.2003
(51) International Patent Classification (IPC): 
F21S 4/00(2006.01)
 F21Y 101/02(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 25.04.2002 CN 02117197

(71) Applicant: Lin, Yuan
Victoria 3109 VIC (AU)

(72) Inventor:
  • Lin, Yuan
    Victoria 3109 VIC (AU)

(74) Representative: Pratt, David Martin et al
Withers & Rogers LLP Goldings House, 2 Hays Lane
London SE1 2HW
London SE1 2HW (GB)

   


(54) Flexible rod light device formed of chip on board based LED lamps and manufacturing method thereof


(57) Flexible rod light device containing a string of chip on board (C.O.B.) based LED lamps (20) and manufacturing method thereof are disclosed. The device comprises an inner layer (10) including two parallel upward flanges (12,13) on sides and a lengthwise top groove (11) between the flanges; a string of C.O.B. based LED lamps (20) comprising a plurality of series connected units each including a C.O.B. based LED lamp (21) secured on the groove (11) and between the flanges (12,13), one or more conductor means (23), and a resistor (22); a pair of main wires (31,32) parallel disposed within the flanges (12,13); and a jacket (40) wrapped up the inner layer (10) and the string of lamps (20). All lamps are secured and have the same orientation for achieving an increased illumination.







Search report