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Small power LED illumination bulb

A technology of light-emitting diodes and light bulbs, which is applied to lighting devices, lighting and heating equipment, and components of lighting devices, etc. problem, to achieve the effect of improving light utilization, not easy to get hot and hot, and expanding the lighting range

Inactive Publication Date: 2008-07-09
金海月
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, lighting bulbs mainly use incandescent lamps and various gas lamps. These lights have low brightness and large heat loss. Taking incandescent lamps as an example, the efficiency of converting electrical energy into light energy is only 40%, and most of the energy is converted into heat of the bulb. , which causes the surface temperature of the bulb to be very high after working for a period of time
This not only wastes energy, but also greatly reduces the normal service life of the bulb, and at the same time brings hidden dangers to safe production and life.
In addition, ordinary low-power LED light-emitting tubes have a small divergence angle, about 10-30°, and the lighting range is very limited, which is far from meeting the lighting requirements.

Method used

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Embodiment Construction

[0016] The present invention will be further described below in conjunction with the accompanying drawings.

[0017] Fig. 1 is a schematic structural diagram of a light bulb according to an embodiment of the present invention. Among them, a standard lamp cap 1, such as an E27 lamp cap, is tightly connected to the lamp housing 2 through a silicone rubber adhesive; the printed circuit board 3 is stuck in the inner cavity of the lamp housing 2 and placed perpendicular to the central axis of the lamp cap 1; the printed circuit board 3 faces the lamp cap One side of 1 is provided with a driving circuit 6 of a light emitting element, and the other side is distributed with a pin diagram of a light emitting element, such as the pin diagram of a light emitting diode (LED) 4 described in this embodiment. As shown in FIG. 3 , the light emitting diodes 4 are evenly arranged on the pin diagram of the printed circuit board 3 according to equidistant concentric rings with the central axis of...

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Abstract

The invention discloses a small-power light emitting diode (LED) lighting bulb which comprises a bulb holder, a bulb housing closely connected with the lamp holder, a printed circuit board locked in the inner cavity of the bulb housing, a LED driving circuit arranged on the bulb holder-facing surface of the printed circuit board, a LED pin map arranged on the other surface, and a bulb cover covered outside the bulb housing. The invention is characterized in that LEDs are uniformly arranged in concentric circles around the axis line of the bulb holder as axle center on the LED pin map of the printed circuit board; and each LED is slightly oblique relative to the axis line of the bulb holder with the same oblique angle.

Description

technical field [0001] The invention relates to a lighting bulb, in particular to a bulb using a low-power light-emitting diode as a cold light source. Background technique [0002] At present, lighting bulbs mainly use incandescent lamps and various gas lamps. These lights have low brightness and large heat loss. Taking incandescent lamps as an example, the efficiency of converting electrical energy into light energy is only 40%, and most of the energy is converted into heat of the bulb. , which causes the surface temperature of the bulb to be very high after working for a period of time. This not only wastes energy, but also greatly reduces the normal service life of the bulb, and simultaneously brings hidden dangers to safe production and life. In addition, ordinary low-power LED light-emitting tubes have a small divergence angle, about 10-30°, and the lighting range is very limited, which is far from meeting the lighting requirements. Contents of the invention [000...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F21V19/00F21V23/00F21V17/00F21Y101/02F21Y113/00F21Y105/18F21Y115/10
Inventor 李光男
Owner 金海月
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