JP7321358B2 - 発光装置及び照明装置 - Google Patents

発光装置及び照明装置 Download PDF

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Publication number
JP7321358B2
JP7321358B2 JP2022507185A JP2022507185A JP7321358B2 JP 7321358 B2 JP7321358 B2 JP 7321358B2 JP 2022507185 A JP2022507185 A JP 2022507185A JP 2022507185 A JP2022507185 A JP 2022507185A JP 7321358 B2 JP7321358 B2 JP 7321358B2
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JP
Japan
Prior art keywords
current
light emitting
emitting element
element group
light
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2022507185A
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English (en)
Japanese (ja)
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JPWO2021182408A1 (https=
JPWO2021182408A5 (https=
Inventor
圭亮 堺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Citizen Electronics Co Ltd
Citizen Watch Co Ltd
Original Assignee
Citizen Electronics Co Ltd
Citizen Watch Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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Publication of JPWO2021182408A1 publication Critical patent/JPWO2021182408A1/ja
Publication of JPWO2021182408A5 publication Critical patent/JPWO2021182408A5/ja
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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity of the light
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20—Controlling the colour of the light
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/345—Current stabilisation; Maintaining constant current
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
    • H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
    • H10H20/80—Constructional details

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Led Devices (AREA)
JP2022507185A 2020-03-09 2021-03-08 発光装置及び照明装置 Active JP7321358B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020040040 2020-03-09
JP2020040040 2020-03-09
PCT/JP2021/009026 WO2021182408A1 (ja) 2020-03-09 2021-03-08 発光装置及び照明装置

Publications (3)

Publication Number Publication Date
JPWO2021182408A1 JPWO2021182408A1 (https=) 2021-09-16
JPWO2021182408A5 JPWO2021182408A5 (https=) 2022-10-03
JP7321358B2 true JP7321358B2 (ja) 2023-08-04

Family

ID=77671811

Family Applications (1)

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JP2022507185A Active JP7321358B2 (ja) 2020-03-09 2021-03-08 発光装置及び照明装置

Country Status (2)

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JP (1) JP7321358B2 (https=)
WO (1) WO2021182408A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116887481A (zh) * 2023-07-13 2023-10-13 上海川土微电子有限公司 可任意调节电流比例的双路并联电路及其电流调节方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110037407A1 (en) 2009-08-14 2011-02-17 Ahn Byunghak Led light emitting device
US20120200229A1 (en) 2011-02-07 2012-08-09 Cypress Semiconductor Corporation Mutli-string led current control system and method
JP2014507711A (ja) 2011-01-12 2014-03-27 シティー ユニバーシティ オブ ホンコン 電流平衡回路及び方法
JP2016129126A (ja) 2015-01-09 2016-07-14 パナソニックＩｐマネジメント株式会社 照明システムおよび照明器具

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110037407A1 (en) 2009-08-14 2011-02-17 Ahn Byunghak Led light emitting device
JP2014507711A (ja) 2011-01-12 2014-03-27 シティー ユニバーシティ オブ ホンコン 電流平衡回路及び方法
US20120200229A1 (en) 2011-02-07 2012-08-09 Cypress Semiconductor Corporation Mutli-string led current control system and method
JP2016129126A (ja) 2015-01-09 2016-07-14 パナソニックＩｐマネジメント株式会社 照明システムおよび照明器具

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Publication number Publication date
JPWO2021182408A1 (https=) 2021-09-16
WO2021182408A1 (ja) 2021-09-16

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