TW200822014A - Efficient light-emitting diode driver circuit with stable operating current - Google Patents
Efficient light-emitting diode driver circuit with stable operating current Download PDFInfo
- Publication number
- TW200822014A TW200822014A TW95141508A TW95141508A TW200822014A TW 200822014 A TW200822014 A TW 200822014A TW 95141508 A TW95141508 A TW 95141508A TW 95141508 A TW95141508 A TW 95141508A TW 200822014 A TW200822014 A TW 200822014A
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- TW
- Taiwan
- Prior art keywords
- circuit
- resistor
- light
- current
- voltage
- Prior art date
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- 230000005669 field effect Effects 0.000 claims description 15
- 239000004065 semiconductor Substances 0.000 claims description 15
- 230000001105 regulatory effect Effects 0.000 claims description 14
- 229910044991 metal oxide Inorganic materials 0.000 claims description 13
- 150000004706 metal oxides Chemical class 0.000 claims description 13
- 210000004508 polar body Anatomy 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 claims 1
- 230000033228 biological regulation Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000005286 illumination Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 241000219112 Cucumis Species 0.000 description 1
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 description 1
- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW95141508A TW200822014A (en) | 2006-11-09 | 2006-11-09 | Efficient light-emitting diode driver circuit with stable operating current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW95141508A TW200822014A (en) | 2006-11-09 | 2006-11-09 | Efficient light-emitting diode driver circuit with stable operating current |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200822014A true TW200822014A (en) | 2008-05-16 |
| TWI354961B TWI354961B (enExample) | 2011-12-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW95141508A TW200822014A (en) | 2006-11-09 | 2006-11-09 | Efficient light-emitting diode driver circuit with stable operating current |
Country Status (1)
| Country | Link |
|---|---|
| TW (1) | TW200822014A (enExample) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI387397B (enExample) * | 2008-08-19 | 2013-02-21 | ||
| TWI411354B (zh) * | 2009-11-03 | 2013-10-01 | Himax Analogic Inc | 開關電路及發光二極體電路 |
| TWI425879B (zh) * | 2009-07-30 | 2014-02-01 | My Semi Inc | 發光二極體的驅動系統及其驅動裝置 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI483041B (zh) | 2012-09-19 | 2015-05-01 | Au Optronics Corp | 背光模組 |
-
2006
- 2006-11-09 TW TW95141508A patent/TW200822014A/zh not_active IP Right Cessation
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI387397B (enExample) * | 2008-08-19 | 2013-02-21 | ||
| TWI425879B (zh) * | 2009-07-30 | 2014-02-01 | My Semi Inc | 發光二極體的驅動系統及其驅動裝置 |
| TWI411354B (zh) * | 2009-11-03 | 2013-10-01 | Himax Analogic Inc | 開關電路及發光二極體電路 |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI354961B (enExample) | 2011-12-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |