Light-emitting apparatus and method of producing the same

1. A light-emitting apparatus comprising:

a package comprising (a) a support having a central section and a peripheral section around the central section, the central section being raised upwardly from the peripheral section, providing a pedestal for supporting a light-emitting device, and (b) an insulating substrate having a central through-hole therein, an inner wall of the substrate that defines the central through-hole having an annular ledge protruding from a lower portion of the inner wall of the substrate with a side surface of the ledge being spaced apart from a peripheral surface of the pedestal, forming a recess, wherein the support is disposed in the central through-hole of the substrate such that an uppermost surface of the support is positioned higher than an upper surface of the ledge;

a light-emitting device secured on the uppermost surface of the pedestal and having electrodes;

electrically conductive members provided on a peripheral region of the package and electrically connected to the electrodes of the light-emitting device;

a color conversion layer covering the light-emitting device, the uppermost surface of the support and the upper surface of the ledge; and

a light-transmitting member formed in the package, sealing at least the light-emitting device together with the color conversion layer;

wherein the pedestal has its side surface at least partially exposed from the color conversion layer, and the color conversion layer is separated at the recess.

2. The light-emitting apparatus according to claim 1 , wherein the color conversion layer is deposited substantially uniformly on the light-emitting device and on the peripheral section.

3. The light-emitting apparatus according to claim 1 , wherein the color conversion layer comprises a portion of phosphor material which has been contained in the light-transmitting member and settled onto the light-emitting device.

4. The light-emitting apparatus according to claim 1 , wherein

the light-emitting device is secured by a die-bonding member,

the die-bonding member covers a covering region extending from a lower edge of a side surface of the light-emitting device upwardly on a side surface of the device up to a position immediately below a position where a light-emitting layer of the light-emitting device is exposed, and

the color conversion layer covers a side surface of the device above the covering region, and also a side surface of the light-emitting layer.

5. The light-emitting apparatus according to claim 1 , wherein a central region of the upper surface of the pedestal is recessed, the light-emitting device is placed in the recess in the pedestal, and the color conversion layer is deposited thicker on the side surface of the light-emitting device than on the upper surface of the light-emitting device.

6. The light-emitting apparatus according to claim 5 , wherein the recess in the pedestal has a depth such that a light-emitting layer of the light-emitting device is positioned higher than the upper surface of the pedestal.

7. The light-emitting apparatus according to claim 1 , wherein the color conversion layer is locally formed on the upper surface of the pedestal.

8. The light-emitting apparatus according to claim 1 , wherein the support is made of a metallic material.

9. The light-emitting apparatus according to claim 1 , wherein the color conversion layer comprises a mixture of a phosphor material effecting the color conversion and a light-diffusing additive.

10. The light-emitting apparatus according to claim 1 , wherein the color conversion layer comprises a phosphor material and a light-diffusing additive having substantially the same particle size and specific gravity, which have been contained in the light-transmitting member and have been settled down.

11. A method of producing a light-emitting apparatus according to claim 1 , the method comprising depositing a phosphor material which has been contained in the light-transmitting member by settling down the phosphor material onto the pedestal, forming the color conversion layer, such that the color conversion layer is discontinued at a step between the upper surface of the pedestal and the upper surface of the peripheral section, thereby exposing a portion of the side surface of the pedestal exposed from the color conversion layer.

12. The light-emitting apparatus according to claim 1 , wherein the color conversion layer is formed also in the recess formed between the side surface of the ledge and the peripheral surface of the pedestal.

13. A light-emitting apparatus comprising:

a package comprising an insulating substrate including a central through-hole therein, an inner wall of the substrate that defines the central through-hole having an annular ledge protruding therefrom, and a support including a central projection and a peripheral section around the central section, the support being disposed in the through-hole such that a side surface of the ledge is spaced apart from a peripheral surface of the central projection, forming a recess, and an upper surface of the support is positioned higher than an upper surface of the ledge;

a light-emitting device on the upper surface of the central projection and including electrodes;

electrically conductive members provided on a peripheral region of the package and electrically connected to the electrodes of the light-emitting device;

a color conversion layer on the light-emitting device, the upper surface of the support and the upper surface of the ledge; and

a light-transmitting member on at least the light-emitting device and the color conversion layer,

wherein a side surface of the central projection is at least partially exposed from the color conversion layer, and the color conversion layer is separated at the recess.

14. The light-emitting apparatus according to claim 13 , further comprising:

a recess formed in the upper surface of the central projection, wherein the light-emitting device is disposed in the recess.

15. The light-emitting apparatus according to claim 13 , wherein the insulating substrate comprises multiple laminated substrate layers.

16. The light-emitting apparatus according to claim 13 , wherein the support comprises a metallic material.

17. The light-emitting apparatus according to claim 13 , further comprising:

a die bonding member securing the light-emitting device to the central projection.

18. The light-emitting apparatus according to claim 13 , wherein the light-emitting member comprises a light-diffusing additive.

19. The light-emitting apparatus according to claim 13 , wherein the color conversion layer comprises a light-diffusing additive.