DE112023001176T5 - Treibervorrichtung für ein lichtemittierendes element, lichtemissionssteuerungsvorrichtung, und lichtemissionsvorrichtung - Google Patents
Treibervorrichtung für ein lichtemittierendes element, lichtemissionssteuerungsvorrichtung, und lichtemissionsvorrichtung Download PDFInfo
- Publication number
- DE112023001176T5 DE112023001176T5 DE112023001176.1T DE112023001176T DE112023001176T5 DE 112023001176 T5 DE112023001176 T5 DE 112023001176T5 DE 112023001176 T DE112023001176 T DE 112023001176T DE 112023001176 T5 DE112023001176 T5 DE 112023001176T5
- Authority
- DE
- Germany
- Prior art keywords
- current
- signal
- emitting element
- driver
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims abstract description 55
- 239000003990 capacitor Substances 0.000 claims description 20
- 238000005070 sampling Methods 0.000 claims description 13
- 238000011084 recovery Methods 0.000 description 11
- 239000011159 matrix material Substances 0.000 description 8
- 230000008054 signal transmission Effects 0.000 description 7
- XHEFDIBZLJXQHF-UHFFFAOYSA-N fisetin Chemical compound C=1C(O)=CC=C(C(C=2O)=O)C=1OC=2C1=CC=C(O)C(O)=C1 XHEFDIBZLJXQHF-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000004044 response Effects 0.000 description 6
- 230000000630 rising effect Effects 0.000 description 5
- 238000007599 discharging Methods 0.000 description 3
- 238000007667 floating Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
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- 230000010354 integration Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- BUHVIAUBTBOHAG-FOYDDCNASA-N (2r,3r,4s,5r)-2-[6-[[2-(3,5-dimethoxyphenyl)-2-(2-methylphenyl)ethyl]amino]purin-9-yl]-5-(hydroxymethyl)oxolane-3,4-diol Chemical compound COC1=CC(OC)=CC(C(CNC=2C=3N=CN(C=3N=CN=2)[C@H]2[C@@H]([C@H](O)[C@@H](CO)O2)O)C=2C(=CC=CC=2)C)=C1 BUHVIAUBTBOHAG-FOYDDCNASA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- 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]
- H05B45/40—Details of LED load circuits
- H05B45/44—Details of LED load circuits with an active control inside an LED matrix
- H05B45/48—Details of LED load circuits with an active control inside an LED matrix having LEDs organised in strings and incorporating parallel shunting devices
-
- 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
- H05B45/14—Controlling the intensity of the light using electrical feedback from LEDs or from LED modules
-
- 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
- H05B45/54—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits in a series array of LEDs
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Led Devices (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2022060370 | 2022-03-31 | ||
| JP2022-060370 | 2022-03-31 | ||
| PCT/JP2023/005649 WO2023188964A1 (ja) | 2022-03-31 | 2023-02-17 | 発光素子駆動装置、発光制御装置、発光装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE112023001176T5 true DE112023001176T5 (de) | 2024-12-19 |
Family
ID=88200283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE112023001176.1T Pending DE112023001176T5 (de) | 2022-03-31 | 2023-02-17 | Treibervorrichtung für ein lichtemittierendes element, lichtemissionssteuerungsvorrichtung, und lichtemissionsvorrichtung |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20250024568A1 (https=) |
| JP (1) | JPWO2023188964A1 (https=) |
| CN (1) | CN118975406A (https=) |
| DE (1) | DE112023001176T5 (https=) |
| WO (1) | WO2023188964A1 (https=) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118975112A (zh) * | 2022-03-31 | 2024-11-15 | 罗姆股份有限公司 | 半导体装置、模块 |
| EP4642164A1 (en) * | 2024-04-24 | 2025-10-29 | Tridonic GmbH & Co. KG | Led driver for supplying an led load with a dc voltage |
| CN119789266A (zh) * | 2025-03-11 | 2025-04-08 | 华源智信半导体(深圳)有限公司 | Led驱动电路及电子设备 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021044283A (ja) | 2019-09-06 | 2021-03-18 | ローム株式会社 | 発光素子駆動装置 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100867551B1 (ko) * | 2007-05-18 | 2008-11-10 | 삼성전기주식회사 | Ｌｅｄ 어레이 구동 장치 |
-
2023
- 2023-02-17 JP JP2024511415A patent/JPWO2023188964A1/ja active Pending
- 2023-02-17 DE DE112023001176.1T patent/DE112023001176T5/de active Pending
- 2023-02-17 WO PCT/JP2023/005649 patent/WO2023188964A1/ja not_active Ceased
- 2023-02-17 CN CN202380031521.0A patent/CN118975406A/zh active Pending
-
2024
- 2024-09-25 US US18/895,569 patent/US20250024568A1/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021044283A (ja) | 2019-09-06 | 2021-03-18 | ローム株式会社 | 発光素子駆動装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN118975406A (zh) | 2024-11-15 |
| US20250024568A1 (en) | 2025-01-16 |
| JPWO2023188964A1 (https=) | 2023-10-05 |
| WO2023188964A1 (ja) | 2023-10-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R012 | Request for examination validly filed |