Light emitting apparatus, backlight apparatus, and electronic apparatus
A light emitting apparatus according to the present invention includes: a placement surface that includes an electrode; a light emitter that is placed on the placement surface; and a transparent sealing resin that seals the light emitter, and forms a concave surface that is a light-outgoing surface via which light outgoes. The concave surface faces a surface of the light emitter, from which surface light is emitted. The light emitter and the electrode are connected via a wire that is curved in such a way that a top section of the curved wire substantially coincides with a deepest section of the concave surface.
1. A light emitting apparatus, comprising:
a placement surface that includes an electrode;
a light emitter that is placed on the placement surface; and
a transparent sealing resin that seals the light emitter, and forms a concave surface that is a light-outgoing surface via which light outgoes,
the concave surface facing a surface of the light emitter, from which surface light is emitted, and
the light emitter and the electrode being connected via a wire that is curved in such a way that a top section of the curved wire substantially coincides with a deepest section of the concave surface.
2. The apparatus according to claim 1 , wherein the concave surface has a depth that is equal to or greater than a half of a width of the light-outgoing surface in a short-axis direction.
3. The apparatus according to claim 1 , comprising:
a package member that includes a recess section whose bottom surface constitutes the placement surface,
the recess section including the placement surface and a tilted surface that extends from and along a periphery of the placement surface,
the light emitter being sealed with the sealing resin, and
the sealing resin sloping upward along the tilted surface.
4. The apparatus according to claim 3 , wherein the package member is made of a polyphenylenamide-based resin in which a titanium oxide is dispersed.
5. A light emitting apparatus, comprising:
a placement surface that includes an electrode;
a light emitter that is placed on the placement surface; and
a transparent sealing resin that seals the light emitter, and forms a concave surface that is a light-outgoing surface via which light outgoes,
the concave surface facing a surface of the light emitter, from which surface light is emitted, and
the concave surface has a depth that is equal to or greater than a half of a width of the light-outgoing surface in a short-axis direction.
6. The apparatus according to claim 5 , comprising:
a package member that includes a recess section whose bottom surface constitutes the placement surface,
the recess section including the placement surface and a tilted surface that extends from and along a periphery of the placement surface,
the light emitter being sealed with the sealing resin, and
the sealing resin sloping upward along the tilted surface.
7. The apparatus according to claim 6 , wherein a periphery of the light-outgoing surface substantially coincides with a periphery of the recess section.
8. The apparatus according to claim 6 , wherein the package member is made of a polyphenylenamide-based resin.
9. The apparatus according to claim 6 , wherein the package member is made of a polyphenylenamide-based resin in which a titanium oxide is dispersed.
10. The apparatus according to claim 5 , wherein the sealing resin (i) is a modified organic silicon resin that is thermally curable and (ii) has a glass transition temperature of 25° C. or higher.
11. The apparatus according to claim 5 , wherein the electrode is made of an alloy of copper.
12. The apparatus according to claim 5 , wherein a surface of the electrode is plated with silver.
13. The apparatus according to claim 5 , wherein:
the sealing resin contains a fluorescent material; and
the fluorescent material emits, when excited by the light emitted from the light emitter, a light beam having a wavelength different from that of the light emitted from the light emitter.
14. The apparatus according to claim 13 , wherein:
the light emitter is a light emitting diode that emits blue light; and
the fluorescent material emits yellow light when excited by the blue light.
15. A backlight apparatus comprising:
a light emitting apparatus that includes:
a placement surface that includes an electrode;
a light emitter that is placed on the placement surface; and
a transparent sealing resin that seals the light emitter, and forms a concave surface that is a light-outgoing surface via which light outgoes,
the concave surface facing a surface of the light emitter, from which surface light is emitted, and
the light emitter and the electrode in the light emitting apparatus being connected via a wire that is curved in such a way that a top section of the curved wire substantially coincides with a deepest section of the concave surface.
16. A backlight apparatus comprising:
a light emitting apparatus that includes:
a placement surface that includes an electrode;
a light emitter that is placed on the placement surface; and
a transparent sealing resin that seals the light emitter, and forms a concave surface that is a light-outgoing surface via which light outgoes,
the concave surface facing a surface of the light emitter, from which surface light is emitted, and
the concave surface of the light emitting apparatus has a depth that is equal to or greater than a half of a width of the light-outgoing surface in a short-axis direction.
17. An electronic apparatus comprising:
a backlight apparatus including a light emitting apparatus that includes:
a placement surface that includes an electrode;
a light emitter that is placed on the placement surface; and
a transparent sealing resin that seals the light emitter, and forms a concave surface that is a light-outgoing surface via which light outgoes,
the concave surface facing a surface of the light emitter, from which surface light is emitted, and
the light emitter and the electrode in the light emitting apparatus being connected via a wire that is curved in such a way that a top section of the curved wire substantially coincides with a deepest section of the concave surface.
18. An electronic apparatus comprising:
a backlight apparatus including a light emitting apparatus that includes:
a placement surface that includes an electrode;
a light emitter that is placed on the placement surface; and
a transparent sealing resin that seals the light emitter, and forms a concave surface that is a light-outgoing surface via which light outgoes,
the concave surface facing a surface of the light emitter, from which surface light is emitted, and
the concave surface of the light emitting apparatus has a depth that is equal to or greater than a half of a width of the light-outgoing surface in a short-axis direction.