CN120283445A - 控制装置及照明装置 - Google Patents

控制装置及照明装置 Download PDF

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Publication number
CN120283445A
CN120283445A CN202380085337.4A CN202380085337A CN120283445A CN 120283445 A CN120283445 A CN 120283445A CN 202380085337 A CN202380085337 A CN 202380085337A CN 120283445 A CN120283445 A CN 120283445A
Authority
CN
China
Prior art keywords
light
circuit
voltage
emitting element
light emitting
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.)
Pending
Application number
CN202380085337.4A
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English (en)
Chinese (zh)
Inventor
伊藤祥平
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.)
Japan Display Inc
Original Assignee
Japan Display Inc
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.)
Filing date
Publication date
Application filed by Japan Display Inc filed Critical Japan Display Inc
Publication of CN120283445A publication Critical patent/CN120283445A/zh
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30Driver circuits
    • H05B45/32Pulse-control circuits
    • H05B45/325Pulse-width modulation [PWM]
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10Controlling the intensity of the light
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20Controlling the colour of the light
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/40Details of LED load circuits
    • H05B45/44Details of LED load circuits with an active control inside an LED matrix
    • H05B45/46Details of LED load circuits with an active control inside an LED matrix having LEDs disposed in parallel lines

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
CN202380085337.4A 2023-01-31 2023-12-12 控制装置及照明装置 Pending CN120283445A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2023-013322 2023-01-31
JP2023013322 2023-01-31
PCT/JP2023/044405 WO2024161808A1 (ja) 2023-01-31 2023-12-12 制御装置および照明装置

Publications (1)

Publication Number Publication Date
CN120283445A true CN120283445A (zh) 2025-07-08

Family

ID=92146347

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202380085337.4A Pending CN120283445A (zh) 2023-01-31 2023-12-12 控制装置及照明装置

Country Status (4)

Country Link
US (1) US20250344302A1 (https=)
JP (1) JPWO2024161808A1 (https=)
CN (1) CN120283445A (https=)
WO (1) WO2024161808A1 (https=)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101254735B1 (ko) * 2006-09-12 2013-04-16 삼성디스플레이 주식회사 휘도 조정 장치 및 액정표시장치
WO2011093395A1 (ja) * 2010-01-29 2011-08-04 三菱化学株式会社 白色led発光デバイスの調光装置,及び照明システム
EP4361712A4 (en) * 2021-06-23 2025-06-18 Japan Display Inc. Optical device

Also Published As

Publication number Publication date
JPWO2024161808A1 (https=) 2024-08-08
WO2024161808A1 (ja) 2024-08-08
US20250344302A1 (en) 2025-11-06

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