Title:
LIGHT-EMITTING ELEMENT DRIVE CIRCUIT AND LIGHT-EMITTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/004458
Kind Code:
A1
Abstract:
A light-emitting element drive circuit (21) comprises a first switch (SW1), a second switch (Q1), and a resonance capacitor (Cr1). A first end of the first switch is configured to be connected to a first end of a light source (LD1). The first end of the first switch is connected to a first end of the resonance capacitor (Cr1). A first end of the second switch is configured to be connected to a second end of the light source. A second end of the resonance capacitor is connected to a second end of the second switch.
Inventors:
NAKAKOHARA YUSUKE (JP)
Application Number:
PCT/JP2023/019475
Publication Date:
January 04, 2024
Filing Date:
May 25, 2023
Export Citation:
Assignee:
ROHM CO LTD (JP)
International Classes:
H01S5/042; G01C3/06; H01S5/062; H01S5/40
Foreign References:
| JP2022516673A | 2022-03-01 | |||
| JP2006100540A | 2006-04-13 | |||
| JP2020096169A | 2020-06-18 | |||
| JP2005216812A | 2005-08-11 | |||
| JP2017174906A | 2017-09-28 | |||
| US20110085576A1 | 2011-04-14 | |||
| CN111244752A | 2020-06-05 |
Attorney, Agent or Firm:
SANO PATENT OFFICE (JP)
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