LED bulb lamp

Abstract

The invention relates to an LED bulb lamp. The LED bulb lamp comprises a lamp holder, a lampshade, a substrate, integrally-encapsulated LED lamp beads and a drive power supply, wherein the LED lamp beads are arranged on the substrate and electrically connected with the drive power supply, the substrate is fixed on the lamp holder and arranged inside the lampshade, and the lampshade is connected with the lamp holder and fixed on the lamp holder. The LED bulb lamp further comprises a light distribution member, wherein the light distribution member comprises a supporting portion installed on the lamp holder and a light distribution portion. The periphery of the supporting portion outward extends in the radial direction to form the light distribution portion, the light distribution portion is located inside the lampshade and arranged above the integrally-encapsulated LED lamp beads, and at least one part of axial projection of the light distribution portion on the substrate covers the LED lamp beads. An irritation angle and an illumination light pattern of the LED bulb lamp are increased, and the visual effect of the illumination is good.

Description

technical field [0001] The invention relates to an LED bulb lamp. Background technique [0002] LED bulbs use LED as the light source. Due to the large brightness of LED and the concentration of direct light intensity, it is more dazzling; and the light angle is small, generally 180 degrees. The light angle that can be obtained is limited and does not meet the vision of lighting applications. Effect. Therefore, at present, in order to increase the luminous angle, combined with the application occasion of the LED bulb lamp and the desired lighting shape and visual effect, there are mainly the following three design methods in the prior art: 1. Change the shape, haze and material of the lampshade ; 2. Vertically arrange the substrate attached with LED lamp beads in the lampshade; 3. Set a light guide column on the LED lamp beads. [0003] However, the luminous angle of the first setting method is limited. Although it can increase some luminous angles, it still cannot meet th...

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Problems solved by technology

[0003]However, the lighting angle of the first setting method is limited. Although it can increase some lighting angles, it still cannot meet the required lighting shape and visual effects in many lighting applications. ;In the second setting method, the LED lamp beads are arranged in the lampshade. In order to obtain multi-sided light emission, the LED light-emitting module also needs to be installed on multiple sides. The assembly cost and defect rate increase; in the third setting method, the light guide rod cover is set on the LED lamp bead, and most of the light emitted by the LED must first pass through the light guide rod, and then pass through the light guide rod to emit light. The light loss of the light guide rod There are many, and the diameter of the general light guide column cannot be enlarged due to the loss factor, because the LED emits light in the cross-section of the diameter, uploads to the light guide column, and then refracts and emits light along the vertical axis of the axis, and some of the light passes parallel to the axis. For transparent light, if the diameter is increased, the light loss will be greatly increased. Due to the limited cross-sectional area, the area where LEDs can be placed is also limited, so it is difficult to make bulb lamps with larger wattages. Generally, they are only used in small wattages. 3-5W bulb or candle bulb

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