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LED lights

A light-emitting diode lamp, light-emitting diode technology, applied in electroluminescent light sources, semiconductor devices of light-emitting elements, light sources, etc., can solve problems such as huge costs and low penetration rate

Active Publication Date: 2019-04-30
ANALOG INTEGRATIONS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, using this way to replace the entire circuit to drive the LED lamp will cause huge costs
Because of this, at present, the penetration rate of LED lamps to replace fluorescent lamps is still very low.

Method used

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Examples

Experimental program
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Embodiment Construction

[0057] Figure 1AA schematic diagram of an LED lamp 100 inserted into a lighting device with a magnetic ballast 22 is depicted. Figure 1B A schematic diagram of an LED lamp 100 inserted into a lighting device with an electronic ballast 24 is depicted. exist Figure 1A In this example, the magnetic ballast 22, the power supply 20 and the LED lamp 100 are connected in series. exist Figure 1B Among them, the electronic ballast 24 converts the AC power provided by the power supply 20 , and then drives the LED lamp 100 with the converted power. The appearance of the LED lamp 100 can be designed to be the same as that of a traditional fluorescent lamp. The lamp tube of the LED lamp 100 may also have two double-pinned end caps (Double-Pined End Cap) 26 . Such as Figure 1A and Figure 1B As mentioned above, the double-pin cap 26 has two pins connected to each other to form a short circuit inside the lamp tube 28 . Therefore, the two double-pin caps 26 in the lamp tube 28 can b...

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PUM

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Abstract

The invention discloses a light-emitting diode lamp, which can replace fluorescent lamp lighting equipment with a ballast. An LED lamp includes a rectifier, an LED driver, a plurality of LEDs, an impedance balancing circuit, and a line voltage controller. The rectifier has two input ends connected to the ballast, a ground end connected to the ground line and an output end connected to the rectified power line. The LED driver and the LED are connected in series between the rectified power supply line and the grounding line, and the LED driver is used to adjust the driving current passing through the LED. The impedance balance circuit is connected to the two input terminals. The line voltage controller is used to control the impedance balancing circuit according to the line voltage on the rectified power line, so that the impedance between the two input terminals is adjusted to cause the line voltage to approach a predetermined target voltage.

Description

technical field [0001] The invention relates to a light-emitting diode lamp, in particular to a light-emitting diode lamp capable of replacing fluorescent lighting equipment with a ballast. Background technique [0002] Fluorescent lighting fixtures have been used in daily life for a long time because they can replace incandescent bulbs due to their high-efficiency light emitting characteristics compared to incandescent bulbs. However, in recent years, LED lighting equipment has gradually replaced fluorescent lighting equipment, because LED lighting equipment has higher luminous efficacy and more optimized power consumption than fluorescent lighting equipment. [0003] Traditional fluorescent lamps consist of a long or curved tube filled with gas and a small amount of mercury. The two ends of the lamp tube will be provided with double-pin (Double-Pined) caps, and these caps include glow wires (GlowWire), which are used to preheat the gas in the lamp tube and vaporize mercur...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05B33/08H05B44/00H05B45/50
CPCH05B45/3578H05B45/397H05B45/395H05B45/50Y02B20/30F21K9/232
Inventor 王俊棋
Owner ANALOG INTEGRATIONS CORP
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