LED vehicle lamp with uniform light emission
AssigneeZhuhai Zhengyuan Optoelectronic Technology Co., Ltd.
InventorDianbo Pan
Life of this patent
Estimating the term…
Abstract
An LED vehicle lamp with uniform light emission includes a substrate, wherein at least one LED chip is arranged on the substrate, a light guide column is arranged on one side of a light emitting surface of the LED chip, a surface of one end of the light guide column far away from the LED chip is a recessed conical surface, and the recessed conical surface is recessed towards the LED chip; one end of the light guide column far away from the LED chip is a first end in a truncated cone shape, only a part of the first end of the light guide column is provided with a first electroplated area, the first electroplated area is arranged close to the LED chip, and the recessed conical surface is provided with a second electroplated area.
Claims9
An LED vehicle lamp with uniform light emission, comprising:
- a substrate, wherein at least one LED chip is arranged on the substrate, a light guide column is arranged on one side of a light emitting surface of the LED chip, a surface of one end of the light guide column far away from the LED chip is a recessed conical surface, and the recessed conical surface is recessed towards the LED chip;
- wherein
- one end of the light guide column far away from the LED chip is a first end, the first end of the light guide column is a truncated cone, and an included angle between a generatrix of a truncated cone body of the first end of the light guide column and an axis is (5°, 6°];
- only a part of the first end of the light guide column is provided with a first electroplated area, and the first electroplated area is arranged close to the LED chip;
- and
- the recessed conical surface is provided with a second electroplated area;
- the LED vehicle lamp further comprises a shell, a first through hole is provided in the shell, a part of the first end of the light guide column not provided with the first electroplated area is positioned in the first through hole, and shell parts at two sides of the first through hole are made of light-transmitting materials.
Dependencies are inferred from the claim text.