Integrated lighting apparatus having a control device and method of manufacturing the same
View Patent ↗An integrated lighting apparatus includes at least a lighting device, a control device comprising an integrated circuit, and a connector that is used to electrically connect the lighting device and the control device. With the combination, the integrated circuit drives the lighting device in accordance with its various designed functionality, thus expands applications of the integrated lighting apparatus.
1. An integrated lighting apparatus, comprising:
a control device including a semiconductor substrate;
an integrated circuit block formed above the semiconductor substrate;
a plurality of power pads formed above the integrated circuit block;
a light emitting device including an active layer, a first electrode, and a second electrode, wherein the light emitting device is below the semiconductor substrate;
a connector including a first conductive region and a second conductive region, wherein the first electrode is electrically connected to the control device through the first conductive region, and the second electrode is electrically connected to the control device through the second conductive region; and
a through plug that extends through the semiconductor substrate,
wherein the semiconductor substrate is between the light emitting device and the integrated circuit block.
2. The integrated lighting apparatus of claim 1 , wherein the control device comprises at least one connection pad connecting to the through plug.
3. The integrated lighting apparatus of claim 1 , wherein the through plug comprises an isolation layer and a metal.
4. The integrated lighting apparatus of claim 1 , wherein the light emitting device comprises a reflector.
5. The integrated lighting apparatus of claim 1 , wherein the through plug electrically connects the integrated circuit block to the connector.
6. The integrated lighting apparatus of claim 1 , further comprising a connection pad formed on the integrated circuit block, wherein the through plug electrically connects the connection pad to the first conductive region.
7. The integrated lighting apparatus of claim 6 , further comprising:
an additional through plug that extends through the semiconductor substrate; and
an additional connection pad formed on the integrated circuit block,
wherein the additional through plug electrically connects the additional connection pad to the second conductive region.
8. The integrated lighting apparatus of claim 1 , wherein the integrated circuit block is formed on a first surface of the semiconductor substrate, wherein the connector is formed on a second surface of the semiconductor substrate, and wherein the first surface is opposite to the second surface.
9. The integrated lighting apparatus of claim 1 , wherein the through plug is through the integrated circuit block.