Light module having a bent portion between light sources
View Patent ↗A light module for a backlight assembly that prevents metal wiring from being damaged at a bent portion and a backlight assembly including the same are presented. The light module for the backlight assembly includes: a printed circuit board (PCB) including a first portion and a second portion connected by a connection having a bend; a first light source formed on the first portion of the printed circuit board (PCB); a second light source formed on the second portion of the printed circuit board (PCB); a first wiring connecting member connected to the first light source and formed on the first portion; and a second wiring connecting member connected to the second light source and formed on the second portion, wherein the first wiring connecting member and the second wiring connecting member are connected to each other.
1. A light module for a backlight assembly, comprising:
a printed circuit board (PCB) including a first portion and a second portion connected by a connection having a bend;
a first protrusion extending from the first portion along a length of the first portion;
a second protrusion extending from the second portion;
a first light source formed on the first portion of the printed circuit board (PCB);
a second light source formed on the second portion of the printed circuit board (PCB);
a first wiring connecting member contacting the first protrusion and connected to the first light source, the first wiring connecting member being spaced apart from the connection; and
a second wiring connecting member connected to the second light source and formed on the second portion,
wherein the first wiring connecting member and the second wiring connecting member are connected to each other by an assistance connecting member, and
wherein the first wiring connecting member, the second wiring connecting member, and the assistance connecting member are aligned on a same plane.
2. The light module of claim 1 , wherein
the first portion extends substantially parallel to a longest edge of the first portion, and
the second portion extends substantially parallel to an edge of the second portion.
3. The light module of claim 2 , wherein
the first wiring connecting member is formed on the first protrusion, and
the second wiring connecting member is formed on the second protrusion.
4. The light module of claim 3 , wherein
the printed circuit board (PCB) further includes:
a first space formed between the first protrusion and the connection; and
a second space formed between the second protrusion and the connection.
5. The light module of claim 3 , further comprising:
a first wiring connecting the first light source and the first wiring connecting member; and
a second wiring connecting the second light source and the second wiring connecting member.
6. The light module of claim 3 , wherein
the second wiring connecting member further includes at least one protruding terminal protruding from one side surface, and
the first wiring connecting member includes at least one groove configured to receive the protruding terminal.
7. The light module of claim 1 , wherein
the assistance connecting member is made of one of a connector, a wire, and a harness.
8. The light module of claim 3 , wherein
the first wiring connecting member and the second wiring connecting member are integrally formed.
9. The light module of claim 3 , wherein
the first wiring connecting member and the second wiring connecting member are made of a flexible flat cable.
10. The light module of claim 3 , wherein
the first light source and the second light source include a light emitting diode (LED).
11. The light module of claim 3 , wherein
an angle between the first portion and the second portion is more than 100 degrees and less than 150 degrees.
12. The light module of claim 3 , wherein
the light module includes a plurality of first light sources including the first light source and a plurality of second light sources including the second light source, and
the plurality of second light sources constitutes more than 10% of the combined number of the plurality of first light sources and the plurality of second light sources.
13. A backlight assembly comprising:
a light guide plate including a side edge and a cutout portion that includes a surface that extends at an oblique angle with respect to the side edge; and
a light module positioned to face one side edge of the light guide plate and the cutout portion of the light guide plate,
wherein the light module includes:
a printed circuit board (PCB) including a first portion and a second portion connected by a connection having a bend;
a first protrusion extending from the first portion along a length of the first portion;
a second protrusion extending from the second portion;
a first light source formed on the first portion of the printed circuit board (PCB);
a second light source formed on the second portion of the printed circuit board (PCB);
a first wiring connecting member contacting the first protrusion and connected to the first light source, the first wiring connecting member being spaced apart from the connection; and
a second wiring connecting member connected to the second light source and formed on the second portion,
wherein the first portion of the printed circuit board (PCB) is positioned to face one side edge of the light guide plate,
the second portion of the printed circuit board (PCB) is positioned to face the cutout portion of the light guide plate, and
the first wiring connecting member and the second wiring connecting member are connected to each other by an assistance connecting member, and
wherein the first wiring connecting member, the second wiring connecting member, and the assistance connecting member are aligned on a same plane.
14. The backlight assembly of claim 13 , wherein
the first portion extends substantially parallel to a longest edge of the first portion, and
the second portion extends substantially parallel to an edge of the second portion.
15. The backlight assembly of claim 14 , wherein
the first wiring connecting member is formed on the first protrusion, and
the second wiring connecting member is formed on the second protrusion.
16. The backlight assembly of claim 15 , wherein
the printed circuit board (PCB) further includes:
a first space formed between the first protrusion and the connection; and
a second space formed between the second protrusion and the connection.
17. The backlight assembly of claim 15 , wherein
the first wiring connecting member further includes at least one protruding terminal protruding from one side surface, and
the second wiring connecting member includes at least one groove such that the protruding terminal is inserted into one side surface of the second wiring connecting member.
18. The backlight assembly of claim 15 ,
wherein the assistance connecting member is made of one of a connector, a wire, and a harness.
19. The backlight assembly of claim 15 , wherein
the first wiring connecting member and the second wiring connecting member are integrally made of a flexible flat cable.