Industry Patents
Patent: 11849513
LED Dimming Device with High Refresh Rate and Smooth Dimming
(Click image for PDF of full patent)
| Patent Number: |
11849513 |
| Title: |
LED Dimming Device with High Refresh Rate and Smooth Dimming |
| Abstract: |
An LED dimming device with a high refresh rate and smooth dimming includes a constant current source circuit and an LED dimming circuit that are sequentially connected in series. The LED dimming circuit includes an LED and a first electronic switch. A positive electrode of the LED is connected to an output end of the constant current source circuit. The first electronic switch is connected in parallel at both ends of the LED. The LED dimming device further includes an energy release circuit and a first control circuit. The energy release circuit is connected in series with the first electronic switch to release excess energy in the constant current source circuit. The first control circuit is connected to the first electronic switch to control turning on or off of the first electronic switch. |
| Country of Issue: |
US |
| First Named Inventor: |
Jiang |
| Assignee: |
Guangzhou Haoyang Electronic Co. (Golden Sea) |
| Continuation or Divisional of: |
|
| International Classification: |
H05B 45/14 |
| US Classification: |
H05B 45/14 |
| Issue Date: |
12-19-2023 |
| Filing Date: |
09-30-2021 |
| Application : |
17/490359 |
| Notes: |
|
| Link to Patent at freepatentsonline.com: |
11849513 at Freepatentsonline |
| Link to World Patent Family1: |
World Patent Family at European Patent Office |
| Link to Google Patents1: |
11849513 at Google Patents |
1. The Google Patents and World Patent Family links will likely not work until a few weeks
after the patent has issued - they take a while to get new patents in their systems.
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