Lighting module and lighting device having same
AssigneeLG Innotek Co., Ltd.
InventorsYu Won Lee, Jae Hyuk Jang
Life of this patent
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Abstract
The lighting device disclosed in the embodiment of the invention includes: a substrate including a recess; a light source on the substrate; a resin layer on the substrate; and a wavelength conversion layer on the resin layer. A portion of the resin layer is disposed in a recess of the substrate. A portion of the wavelength conversion layer is disposed on the recess of the substrate. The outermost surface of the portion of the resin layer disposed in the recess of the substrate may be located outside the inner surface of the wavelength conversion layer.
Claims20
A lighting device comprising:
- a substrate including a recess;
- a light source disposed on the substrate;
- a resin layer disposed on the substrate;
- and
- a wavelength conversion layer disposed on the resin layer;
- wherein a portion of the resin layer is disposed in the recess of the substrate,
- wherein a portion of the wavelength conversion layer is disposed on the recess of the substrate;
- wherein a depth of the recess of the substrate is equal to a thickness of the substrate;
- and
- wherein an outermost surface of the portion of the resin layer disposed in the recess of the substrate is located outside an inner surface of the wavelength conversion layer.
A lighting device comprising:
- a substrate including a recess;
- a light source disposed on the substrate;
- a resin layer disposed on the substrate;
- and
- a wavelength conversion layer disposed on the resin layer;
- wherein the light source includes a plurality of light emitting devices arranged in N rows and M columns, wherein N, M is an integer of 1 or more, M is 2 or more,
- wherein the wavelength conversion layer includes an upper portion disposed on an upper surface of the resin layer, and a side portion connected to the upper portion and disposed on a side surface of the resin layer,
- wherein the recess of the substrate vertically overlaps with a portion of the side portion of the wavelength conversion layer, and
- wherein a depth of the recess in the substrate is equal to a thickness of the substrate.
A lighting device comprising:
- a substrate including a recess;
- a light source disposed on the substrate;
- a resin layer disposed on the substrate;
- and
- a wavelength conversion layer disposed on the resin layer;
- wherein a portion of the resin layer is disposed in the recess of the substrate,
- wherein a portion of the wavelength conversion layer is disposed in or on the recess of the substrate,
- and wherein the recess is configured to be recessed towards a center of the substrate from a side surface of the substrate.
A lighting device comprising:
- a substrate including a recess;
- a light source disposed on the substrate;
- a resin layer disposed on the substrate;
- and
- a wavelength conversion layer disposed on the resin layer;
- wherein a portion of the resin layer is disposed in the recess of the substrate,
- wherein a portion of the wavelength conversion layer is disposed in or on the recess of the substrate,
- and wherein the light source does not overlap the recess in a vertical direction which is a direction from an upper surface to a lower surface of the substrate.
Dependencies are inferred from the claim text.