JP2013539183A5 - - Google Patents

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Publication number
JP2013539183A5
JP2013539183A5 JP2013527314A JP2013527314A JP2013539183A5 JP 2013539183 A5 JP2013539183 A5 JP 2013539183A5 JP 2013527314 A JP2013527314 A JP 2013527314A JP 2013527314 A JP2013527314 A JP 2013527314A JP 2013539183 A5 JP2013539183 A5 JP 2013539183A5
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JP
Japan
Prior art keywords
led
channels
modulation frequency
luminance
channel
Prior art date
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Application number
JP2013527314A
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English (en)
Japanese (ja)
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JP5784731B2 (ja
JP2013539183A (ja
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Publication date
Priority claimed from US12/874,201 external-priority patent/US8258709B2/en
Priority claimed from US13/077,669 external-priority patent/US8390205B2/en
Application filed filed Critical
Publication of JP2013539183A publication Critical patent/JP2013539183A/ja
Publication of JP2013539183A5 publication Critical patent/JP2013539183A5/ja
Application granted granted Critical
Publication of JP5784731B2 publication Critical patent/JP5784731B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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JP2013527314A 2010-09-01 2011-09-01 変調周波数検出技術を用いたｌｅｄ制御 Expired - Fee Related JP5784731B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US12/874,201 2010-09-01
US12/874,201 US8258709B2 (en) 2010-09-01 2010-09-01 LED control using modulation frequency detection techniques
US13/077,669 US8390205B2 (en) 2010-09-01 2011-03-31 LED control using modulation frequency detection techniques
US13/077,669 2011-03-31
PCT/US2011/050192 WO2012031110A1 (en) 2010-09-01 2011-09-01 Led control using modulation frequency detection techniques

Publications (3)

Publication Number Publication Date
JP2013539183A JP2013539183A (ja) 2013-10-17
JP2013539183A5 true JP2013539183A5 (enExample) 2014-09-11
JP5784731B2 JP5784731B2 (ja) 2015-09-24

Family

ID=45696236

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2013527314A Expired - Fee Related JP5784731B2 (ja) 2010-09-01 2011-09-01 変調周波数検出技術を用いたｌｅｄ制御

Country Status (7)

Country Link
US (1) US8390205B2 (enExample)
EP (1) EP2612541B1 (enExample)
JP (1) JP5784731B2 (enExample)
KR (1) KR101629891B1 (enExample)
CN (1) CN103098546B (enExample)
CA (1) CA2805945C (enExample)
WO (1) WO2012031110A1 (enExample)

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EP4427095A4 (en) 2021-11-02 2025-07-23 Lumileds Llc ADAPTIVE FLASH WITH PULSE WIDTH MODULATION
CN114530117B (zh) * 2021-12-31 2023-09-08 上海矽力杰微电子技术有限公司 多通道led系统、驱动电路及驱动方法
CN114501726A (zh) * 2021-12-31 2022-05-13 上海矽力杰微电子技术有限公司 多通道led系统、驱动电路及驱动方法
US12614525B2 (en) * 2023-10-17 2026-04-28 Synaptics Incorporated Demura tuning for 2D backlight systems
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