Lighting module

Patent metadata

Field	Value
Publication number	US-9605814-B2
Application number	US-201214342768-A
Country	US
Kind code	B2
Filing date	Sep 7, 2012
Priority date	Sep 8, 2011
Publication date	Mar 28, 2017
Grant date	Mar 28, 2017

Abstract

A lighting module may be provided that comprises: an optical plate; a base frame including a central frame disposed on the optical plate, a first frame coupled to the central frame, and a second frame coupled to the first frame; a side frame coupled between the optical plate and the second frame of the base frame; and a light source including a substrate disposed on the side frame and a light emitter disposed on the substrate, wherein the second frame is disposed on the light source, and wherein the second frame has an inner surface reflecting light from the light source to at least one of the first frame and the central frame.

First claim

The invention claimed is:

1. A lighting module comprising:
an optical plate;
a base frame comprising a central frame provided on the optical plate, a first frame coupled to the central frame, and a second frame coupled to the first frame;
a side frame separate from the optical plate and the base frame and coupled to the optical plate and the second frame of the base frame; and
a light source having a substrate provided on the side frame and a light emitter provided on the substrate,
wherein the second frame is provided on the light source, and wherein the second frame includes an inner surface reflecting light from the light source to at least one of the first frame and the central frame,
wherein the side frame comprises a coupler which is coupled to one side of the optical plate,
wherein the coupler is configured to receive the one side of the optical plate,
wherein the side frame has a recess to receive the substrate,
wherein the side frame comprises a first side frame which is coupled to the second frame and a second side frame on which the substrate and the coupler are provided,
wherein the second frame of the base frame comprises a first end coupled to the first side frame of the side frame, and a second end coupled to the first frame of the base frame,
wherein the first frame of the base frame includes a first end coupled to the second frame of the base frame, and a second end coupled to the central frame of the base frame,
wherein, a thickness of the first end of the second frame of the base frame is greater than a thickness of the first end of the first frame of the base frame,
wherein a thickness of the central frame of the base frame is greater than a thickness of the second end of the first frame of the base frame,
wherein the light emitter of the light source comprises a first light emitter and a second light emitter,
wherein the first light emitter comprises a first blue LED chip, a green LED chip, and a red LED chip,
wherein the second light emitter comprises a second blue LED chip and a fluorescent material, the fluorescent material comprising at least one of a yellow fluorescent material, a green fluorescent material and a red fluorescent material, and
wherein a peak wavelength of the second blue LED chip is different than a peak wavelength of the first blue LED chip.

2. The lighting module of claim 1 , wherein a cross sectional shape of the inner surface of the second frame is at least one of a parabolic shape, a hyperbolic: shape and an elliptical shape.

3. The lighting module of claim 1 , wherein a thickness of the first end of the second frame is greater than a thickness of the second end of the second frame.

4. The lighting module of claim 3 , wherein the central frame comprises a side surface coupled to the first frame, and wherein a thickness of the side surface is greater than a thickness of the second end of the second frame and is less than a thickness of the first end of the second frame.

5. The lighting module of claim 4 , wherein a thickness of the first end of the first frame is less than a thickness of the second end of the first frame.

6. A lighting module comprising:
an optical plate;
a base frame comprising a central frame provided on the optical plate, a first frame coupled to the central frame, and a second frame coupled to the first frame;
a side frame separate from the optical plate d the base frame and coupled to the optical plate and the second frame of the base frame; and
a light source comprising a substrate provided on the side frame and alight emitter provided on the substrate,
wherein the second frame is provided on the light source, and wherein the second frame comprises an inner surface reflecting light from the light source to at least one of the first frame and the central frame,
wherein the light emitter of the light source comprises:
a first light emitter provided on the substrate; and
a second light emitter provided on the substrate and around the first light emitter,
wherein the second frame of the base frame comprises a first end which is coupled to the side frame and a second end which is coupled to the first frame,

wherein a thickness of the first end of the second frame is greater than a thickness of the second end of the second frame,
wherein the inner surface of the second frame is curved and provided between the first end of the second frame and the second end of the second frame,
wherein the side frame comprises a first surface which is coupled to the first side end of the second frame and a second surface on which the substrate is provided, the second surface being perpendicular to the first surface,
wherein the first light emitter comprises a first blue LED chip, a green LED chip, and a red LED chip,
wherein the second light emitter comprises a second blue LED chip and a fluorescent material, the fluorescent material comprising at least one of a yellow fluorescent material, a green fluorescent material and a red fluorescent material, and
wherein a peak wavelength of the second blue LED chip is different than a peak wavelength of the first blue LED chip.

7. The lighting module of claim 6 , wherein the second light emitter comprises:
a first fluorescent material, film which is provided on the second blue LED chip and comprises the yellow fluorescent material;
a resin packer which is provided on the first fluorescent material film; and
a second fluorescent material film which is provided on the resin packer and comprises the yellow fluorescent material.

8. The lighting module of claim 6 , wherein the first light emitter further comprises a first body in which the red LED chip, the green LED chip and the first blue LED chip are provided, and wherein the second light emitter further comprises a second body in which the second blue LED chip and the yellow fluorescent material are provided.

9. The lighting module of claim 6 , wherein the second light emitter comprises:
a first fluorescent material film which is provided on the second blue LED chip and comprises any one of the red fluorescent material and the green fluorescent material;
a resin packer which is provided on the first fluorescent material film; and
a second fluorescent material film which is provided on the resin packer and comprises any one of the red fluorescent material and the green fluorescent material.

10. The lighting module of claim 6 , wherein the first light emitter further comprises a first body in which the red LED chip, the green LED chip and the first blue LED chip are provided, and wherein the second light emitter further includes a second body in which the second blue LED chip and any one of the red fluorescent material and the green fluorescent material are provided.

11. The lighting module of claim 6 , wherein the inner surface of the second frame have at least one of a parabolic shape, a hyperbolic shape and an elliptical shape, and wherein the light emitter is located at a focus of at least one of the parabolic shape, the hyperbolic shape and the elliptical shape.

12. The lighting module of claim 6 , wherein at least a portion of the light emitted from the lighting module is uniform.

13. A lighting module comprising:
an optical plate;
a base frame having a central frame provided on the optical plate, a first frame coupled to the central frame, and a second frame coupled to the first frame;
a side frame separate from the optical plate and the base frame and coupled to the optical plate and the second frame of the base frame; and
a light source having a substrate provided on the side frame in such a manner as to be perpendicular to the optical plate, and a light emitt

Assignees

• Kim Ki Hyun
• Hong Sung Ho
• Yoon Jae Hun
• Jeong Seung Beom
• Lg Innotek Co Ltd

Inventors

• Kim Ki Hyun
• Hong Sung Ho
• Yoon Jae Hun
• Jeong Seung Beom

Classifications

• F21V7/005

  with an elongated shape to cooperate with linear light sources · CPC title

• F21Y2103/10

  comprising a linear array of point-like light-generating elements · CPC title

• F21V7/07

  with hyperbolic curvature · CPC title

• F21V7/0008 Primary

  providing for indirect lighting · CPC title

• F21V7/08

  with elliptical curvature · CPC title