Light device of vehicle

Patent metadata

Field	Value
Publication number	US-10018325-B2
Application number	US-201514841641-A
Country	US
Kind code	B2
Filing date	Aug 31, 2015
Priority date	Mar 31, 2015
Publication date	Jul 10, 2018
Grant date	Jul 10, 2018

Abstract

Disclosed herein is a light device of a vehicle including: a light emitting diode module emitting light; and a light guide plate having a side on which the light emitted from the light emitting diode module is incident and emitting the light incident on the side to perform surface emission upwardly, in which the light guide plate has a plane shape including at least one concave portion and the light emitting diode module is installed in the at least one concave portion. According to the exemplary embodiments of the present invention, when the light guide plate used in the light device installed at the rear of the vehicle to perform the surface emission is formed in a horseshoe shape or a ring shape, the light emitting diode module may be installed at a concave position of the horseshoe shape or the light emitting diode module may be installed along a ring-shaped inner side, thereby uniformly performing the surface emission over the whole of the light guide plate.

First claim

The invention claimed is:

1. A light device of a vehicle, comprising:
a light emitting diode module emitting light and located on a body of the vehicle, the body of the vehicle having two opposing sides for accommodating the light emitting diode module; and a light guide plate having a side on which the light emitted from the light emitting diode module is incident and emitting the light incident on the side to perform surface emission upwardly, wherein the light guide plate has a plane shape including at least one concave portion and convex portion, and the light emitting diode module is installed in the concave portion and/or the convex portion.

2. The light device of a vehicle of claim 1 , wherein a side shape of the light guide plate has a predetermined thickness and an upper surface of the light guide plate is convexly or concavely formed.

3. The light device of a vehicle of claim 1 , wherein the light emitting diode module includes: at least one light emitting diode emitting light; and a printed circuit board (PCB) on which the at least one light emitting diode is mounted.

4. The light device of a vehicle of claim 3 , wherein the printed circuit board is a flexible printed circuit board (FPCB).

5. The light device of a vehicle of claim 1 , wherein the light guide plate includes at least one pattern part to emit the light incident on the side thereof upwardly.

6. The light device of a vehicle claim 5 , wherein the pattern part includes: a line pattern formed inside the light guide plate and having a length in one direction; and a dot pattern formed inside the light guide plate and formed in a pentahedral shape.

7. The light device of a vehicle of claim 6 , wherein the dot pattern has a plane shape formed in a squared shape, two sides facing each other formed in a triangular shape, and the other two sides facing each other formed in a trapezoidal shape.

8. The light device of a vehicle of claim 6 , wherein the dot pattern has a plane shape formed in a squared shape and four sides formed in a triangular shape.

9. The light device of a vehicle of claim 1 , wherein an upper portion of the light guide plate protrudes in a convex lens shape.

10. The light device of a vehicle of claim 1 , wherein a side shape of the light guide plate is formed in a squared shape having a predetermined thickness.

11. The light device of a vehicle of claim 1 , wherein the light guide plate has at least one upper pattern formed on an upper surface thereof.

12. The light device of a vehicle of claim 11 , wherein the upper pattern has a plurality of protrusions having a length in one direction formed on the upper surface of the light guide plate.

13. The light device of a vehicle of claim 11 , wherein the upper pattern has a plurality of grooves having a length in one direction formed on the upper surface of the light guide plate.

14. The light device of a vehicle of claim 1 further comprising: a cover part positioned over the light guide plate and transmitting light emitted from the light guide plate.

15. A light device of a vehicle, comprising: a light emitting diode module emitting light located on a body of the vehicle; and a light guide plate having a side on which the light emitted from the light emitting diode module is incident and emitting the light incident on the side to perform surface emission upwardly, wherein the light guide plate has a plane shape including at least one concave portion and convex portion, the light emitting diode module is installed in the concave portion and/or the convex portion, and the plane shape of the light guide plate is formed in a horseshoe shape having a predetermined width.

16. The light device of a vehicle of claim 15 , wherein the light emitting diode module is provided in plural, and one of the plurality of light emitting diode modules is installed in a horseshoe-shaped concave portion and the rest thereof are installed at a horseshoe-shaped end.

17. A light device of a vehicle, comprising: a light emitting diode module emitting light located on a body of the vehicle; and a light guide plate having a side on which the light emitted from the light emitting diode module is incident and emitting the light incident on the side to perform surface emission upwardly, wherein the light guide plate has a plane shape including at least one concave portion and convex portion, the light emitting diode module is installed in the concave portion and/or the convex portion, and at least a portion of the light guide plate is formed in a shape bent at a predetermined angle with respect to a plane-shaped plane.

18. A light device of a vehicle, comprising: a light emitting diode module emitting light located on a body of the vehicle; and a light guide plate having a side on which the light emitted from the light emitting diode module is incident and emitting the light incident on the side to perform surface emission upwardly, wherein the light guide plate has a plane shape including at least one concave portion and convex portion, the light emitting diode module is installed in the concave portion and/or the convex portion, and a side shape of the light guide plate has a predetermined thickness and is provided with at least one curvature.

19. A light device of a vehicle, comprising: a light emitting diode module emitting light located on a body of the vehicle; and a light guide plate having a side on which the light emitted from the light emitting diode module is incident and emitting the light incident on the side to perform surface emission upwardly, wherein the light guide plate has a plane shape including at least one concave portion and convex portion, the light emitting diode module is installed in the concave portion and/or the convex portion, and the light emitting diode module is provided in at least two, the light guide plate is provided in at least two, and each of the at least two light guide plates is provided with each of the light emitting diode modules.

20. The light device of a vehicle of claim 19 , wherein the at least two light emitting diode modules are installed on a side having a relatively longer length of sides of each of the at least two light guide plates.

21. A light device of a vehicle, comprising:
a light emitting diode module emitting light and located on a body of the vehicle, the body of the vehicle having two opposing sides for accommodating the light emitting diode module; and a light guide plate having a side on which the light emitted from the light emitting diode module is incident and emitting the light incident on the side to perform surface emission upwardly, wherein a plane shape of the light guide plate is formed in a ring shape, and the light emitting diode module is installed along an inner side of the ring shape.

22. A light device of a vehicle, comprising: a tail lamp installed at a rear of the vehicle and emitting red light; and a brake lamp installed at the rear of the vehicle and emitting the red light when a brake of the vehicle is driven, wherein the tail lamp includes: a first light emitting diode module emitting light; and a first light guide plate having a side on which light emitted from the at least one first light emitting diode module is incident and emitting the light incident on the side to perform surface emission upwardly, a plane shape of the first light guide plate includes at least one concave portion, and the at least one first light emitting diode module is installed in the at least one concave portion.

23. The

Assignees

• Seoul Semiconductor Co Ltd

Inventors

• Kim Tae Kwang
• Song Young Jun
• Kim Lae Hyun
• Shon Yeoun Chul

Classifications

• F21S43/247

  with a single light source being coupled into the light guide · CPC title

• F21W2107/10

  for land vehicles · CPC title

• F21S43/245

  emitting light from one or more of its major surfaces · CPC title

• F21S43/236 Primary

  characterised by the shape of the light guide · CPC title

• G02B6/0038

  Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide · CPC title