JPWO2022153668A1 - - Google Patents

Info

Publication number
JPWO2022153668A1
JPWO2022153668A1 JP2022575099A JP2022575099A JPWO2022153668A1 JP WO2022153668 A1 JPWO2022153668 A1 JP WO2022153668A1 JP 2022575099 A JP2022575099 A JP 2022575099A JP 2022575099 A JP2022575099 A JP 2022575099A JP WO2022153668 A1 JPWO2022153668 A1 JP WO2022153668A1
Authority
JP
Japan
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
JP2022575099A
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 filed Critical
Publication of JPWO2022153668A1 publication Critical patent/JPWO2022153668A1/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • 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]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/08—Details of timing specific for flat panels, other than clock recovery
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/08—Fault-tolerant or redundant circuits, or circuits in which repair of defects is prepared

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Led Devices (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
JP2022575099A 2021-01-18 2021-11-18 Pending JPWO2022153668A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021005610 2021-01-18
PCT/JP2021/042452 WO2022153668A1 (ja) 2021-01-18 2021-11-18 発光素子駆動装置

Publications (1)

Publication Number Publication Date
JPWO2022153668A1 true JPWO2022153668A1 (ja) 2022-07-21

Family

ID=82447164

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022575099A Pending JPWO2022153668A1 (ja) 2021-01-18 2021-11-18

Country Status (5)

Country Link
US (1) US12136384B2 (ja)
JP (1) JPWO2022153668A1 (ja)
CN (1) CN116746281A (ja)
DE (1) DE112021006053T5 (ja)
WO (1) WO2022153668A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023188648A1 (ja) * 2022-03-30 2023-10-05 ローム株式会社 発光素子駆動装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4985669B2 (ja) 2009-02-05 2012-07-25 株式会社デンソー 発光ダイオード駆動回路
WO2012127844A1 (ja) * 2011-03-24 2012-09-27 ローム株式会社 発光素子駆動用のスイッチング電源の制御回路、およびそれらを用いた発光装置および電子機器
JP5698579B2 (ja) * 2011-03-24 2015-04-08 ローム株式会社 発光素子駆動用のスイッチング電源の制御回路、およびそれらを用いた発光装置および電子機器
JP2016109987A (ja) * 2014-12-09 2016-06-20 株式会社Ｊｏｌｅｄ アクティブマトリクス基板の検査方法
JP6896215B2 (ja) * 2016-03-25 2021-06-30 株式会社アイテックシステム Ｌｅｄ照明システムの短絡異常検出装置、その装置を有するｌｅｄ照明装置、およびｌｅｄ照明システムの短絡異常検出方法
CN111025190B (zh) * 2019-11-28 2021-11-09 中国航空工业集团公司西安航空计算技术研究所 一种旋转变压器信号调理电路及方法

Also Published As

Publication number Publication date
US20240078966A1 (en) 2024-03-07
WO2022153668A1 (ja) 2022-07-21
DE112021006053T5 (de) 2023-12-07
CN116746281A (zh) 2023-09-12
US12136384B2 (en) 2024-11-05

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Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20240920