Light source module and lighting device having same

Patent metadata

Field	Value
Publication number	US-2018259166-A1
Application number	US-201615779455-A
Country	US
Kind code	A1
Filing date	Nov 22, 2016
Priority date	Nov 27, 2015
Publication date	Sep 13, 2018
Grant date	—

Abstract

An embodiment discloses a light source module. The disclosed light source module includes: a circuit board; and a plurality of light emitting diodes arranged on the circuit board, wherein the plurality of light emitting diodes include a plurality of first light emitting diodes connected to a power input terminal, and a plurality of second light emitting diodes connected to output ends of the plurality of first light emitting diodes, wherein the plurality of first light emitting diodes are spaced apart from each other, and at least two of the plurality of second light emitting diodes are disposed between the first light emitting diodes, respectively.

First claim

1 . A lighting source module comprising:
a circuit board; and a plurality of light emitting diodes arranged on the circuit board, wherein the plurality of light emitting diodes include a plurality of first light emitting diodes connected to a power input terminal, and a plurality of second light emitting diodes connected to output ends of the plurality of first light emitting diodes, wherein the plurality of first light emitting diodes are spaced apart from each other, wherein at least two of the plurality of second light emitting diodes are disposed between the first light emitting diodes, respectively, wherein the plurality of first light emitting diodes emit white light having a first color temperature, wherein the plurality of second light emitting diodes emit white light having a second color temperature different from the first color temperature, wherein the plurality of first light emitting diodes are electrically connected to each other, wherein the plurality of second light emitting diodes are electrically connected to each other, and wherein an interval between the plurality of first light emitting diodes is narrower than an interval between the second light emitting diodes.

2 . The light source module of claim 1 , wherein a plurality of first light emitting units having at least two of first light emitting diodes are connected in series, and
wherein at least two first light emitting diodes disposed each of the plurality of first light emitting units are connected in parallel from each other.

3 . The light emitting device of claim 2 , wherein the plurality of second light emitting units having at least two of the plurality of second light emitting diodes are connected in series from each other,
wherein the at least two second light emitting diodes disposed each of the plurality of second light emitting units are connected in parallel from each other, and wherein at least two second light emitting diodes are disposed between the first light emitting diodes disposed in each of the first light emitting units and are connected in parallel.

4 . The light emitting device of claim 3 , wherein the first light emitting unit has three or more first light emitting diodes connected in parallel, and
wherein the second light emitting diodes of the second light emitting units are equal to the first light emitting diodes of the first light emitting units Light source module.

5 . The light source module of claim 3 , wherein the plurality of second light emitting diodes are arranged in one row between the first light emitting diodes.

6 . The light source module of claim 5 , wherein the plurality of first light emitting diodes and the plurality of second light emitting diodes are arranged in one column along the circuit board.

7 . The light source module of claim 5 , wherein the plurality of first light emitting units are connected in series between an power input terminal and the plurality of second light emitting units.

8 . The light source module of claim 4 , wherein a plurality of the circuit boards are arranged, and the first light emitting unit and the second light emitting unit are arranged on the plurality of circuit boards.

9 . The light source module of claim 2 , wherein the circuit board includes a connector, and the connector is connected to a positive terminal of the first light emitting unit.

10 . The light source module of claim 1 , wherein a number of the first light emitting diodes on the circuit board is 30% or less of a total number of the light emitting diodes.

11 . The light source module of claim 1 , wherein an interval between the first light emitting diodes is three times or more an interval between the second light emitting diodes.

12 . A lighting source module comprising:
a circuit board; a plurality of first light emitting units having a plurality of first light emitting diodes arranged on the circuit board; and a plurality of second light emitting units connected to the first light emitting unit on the circuit board and having a plurality of second light emitting diodes, wherein the plurality of first light emitting units are connected to each other, and each of the plurality of first light emitting units, wherein the plurality of first light emitting diodes arranged are spaced apart from each other, wherein the plurality of second light emitting units are connected to each other, wherein the plurality of second light emitting diodes disposed in each of the plurality of second light emitting units are connected to each other, wherein each of the second light emitting units connected is disposed between the first light emitting diodes of the first light emitting unit, and wherein an interval between the first light emitting diodes arranged in the first light emitting unit is greater than an interval between the second light emitting diodes arranged in the second light emitting unit.

13 . The light source module of claim 12 , wherein the first light emitting unit is connected to a power input terminal, and the second light emitting unit is connected to a power output terminal.

14 . The light source module of claim 12 , wherein the first light emitting diode of the first light emitting unit is connected to the positive polarity terminal.

15 . The light source module of claim 12 , wherein the second light emitting diodes of the second light emitting units are arranged in at least one row between the first light emitting diodes of the first light emitting units.

16 . The light source module of claim 12 , wherein a number of the first light emitting diodes disposed in the first light emitting unit is equal to a number of the second light emitting diodes in the second light emitting unit.

17 . The light emitting device of claim 12 , wherein the first light emitting diodes disposed in the first light emitting unit are connected in parallel to each other, and the second light emitting diodes disposed in the second light emitting unit are connected in parallel.

18 . The light source module of claim 17 , wherein the first light emitting units are connected to each other in series, the second light emitting units are connected to each other in series, and the first and second light emitting units are connected to each other in series.

19 . The light emitting device of claim 18 , wherein the circuit board includes a plurality of circuit boards connected to each other,
wherein the first and second light emitting units are disposed on the plurality of circuit boards, wherein the first and second light emitting diodes are arranged in one column and an interval between the first light emitting diodes is at least three times an interval between the second light emitting diodes.

20 . The light emitting device of claim 12 , wherein the first light emitting diode of the first light emitting unit emits light abnormally by a DC power source of a non-normal level drawn into the circuit board, and
wherein a number of the light emitting diodes is 30% or less of a total number of the first and second light emitting diodes.

Assignees

• Lg Innotek Co Ltd

Inventors

• Min Byeong Guk

Classifications

• H10W90/00

  Package configurations · CPC title

• F21V19/002 Primary

  the fastening means engaging the encapsulation or the packaging of the semiconductor device · CPC title

• H01L33/486

  Electricity · mapped topic

• H05K2201/10522

  Adjacent components · CPC title

• F21V23/06

  the elements being coupling devices {, e.g. connectors} · CPC title