Title:
ELECTRONIC BALLAST FOR LAMP
Document Type and Number:
WIPO Patent Application WO/2021/085683
Kind Code:
A1
Abstract:
Provided is an electronic ballast having a dimming function and a soft lighting circuit for a lamp, wherein the electronic ballast enables stable lighting of a lamp by preventing flickering of the lamp, and uses an electronic element to achieve a practical high-frequency ballast with high efficiency and a high-power factor. The electronic ballast for a lamp comprises: a lamp unit; a power supply circuit unit for providing a driving power source to the lamp unit; a lamp driving circuit unit for driving the lamp unit by performing a high-frequency oscillation operation by alternate switching between multiple switching devices; and a resonance unit which is associated with the lamp driving circuit unit and constitutes a resonance circuit for the oscillation operation.
Inventors:
PARK DONG-YUB (KR)
EUN JONG-IL (KR)
EUN JONG-IL (KR)
Application Number:
PCT/KR2019/014613
Publication Date:
May 06, 2021
Filing Date:
October 31, 2019
Export Citation:
Assignee:
PARK DONG YUB (KR)
EUN JONG IL (KR)
EUN JONG IL (KR)
International Classes:
H05B41/282; H05B41/28; H05B41/295; H05B41/392; H05B45/00
Foreign References:
| KR100697726B1 | 2007-03-21 | |||
| KR200251401Y1 | 2001-11-17 | |||
| KR100854480B1 | 2008-08-26 | |||
| JPH0713433Y2 | 1995-03-29 | |||
| JP2007299702A | 2007-11-15 |
Attorney, Agent or Firm:
HANYANG PATENT FIRM (KR)
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