Title:
GAS-FILLED LED LIGHT BULB USING SMT
Document Type and Number:
WIPO Patent Application WO/2017/024429
Kind Code:
A1
Abstract:
Disclosed is a gas-filled LED light bulb (100) using the surface mount technology (SMT), comprising a bulb housing (110), a light holder (120), a support (130) and filament components (140). A cavity (112) is provided inside the bulb housing (110). The light holder (120) is mounted to the bulb housing (110) and outside the cavity (112). The support (130) is fixedly provided inside the cavity (112). Each of the filament components (140) comprises an LED (142) packaged by surface mounted devices (SMD) or chip scale package (CSP), and a foldable circuit board (144), wherein the LED (142) is mounted to the circuit board (144) by using the SMT. The circuit board (144) is in a long strip shape, and two ends of the circuit board (144) are fixed to the support (130). A plurality of the LEDs (142) are provided, and the plurality of the LEDs (142) are arranged in order on the circuit board (144).
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Inventors:
RAO HANXIN (CN)
LI GUANG (CN)
LI GUANG (CN)
Application Number:
PCT/CN2015/086316
Publication Date:
February 16, 2017
Filing Date:
August 07, 2015
Export Citation:
Assignee:
SHENZHEN EASTFIELD LIGHTING CO LTD (CN)
International Classes:
F21V19/02
Foreign References:
| CN102192411A | 2011-09-21 | |||
| CN102147070B | 2013-03-20 | |||
| CN204962346U | 2016-01-13 | |||
| CN203099393U | 2013-07-31 | |||
| CN204313091U | 2015-05-06 | |||
| CN101532653A | 2009-09-16 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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