Image pickup device and electronic apparatus
The present disclosure relates to an image pickup device and an electronic apparatus that enable further downsizing of device size. The device includes: a first structural body and a second structural body that are layered, the first structural body including a pixel array unit, the second structural body including an input/output circuit unit, and a signal processing circuit; a first through-via, a signal output external terminal, a second through-via, and a signal input external terminal that are arranged below the pixel array, the first through-via penetrating through a semiconductor substrate constituting a part of the second structural body, the second through-via penetrating through the semiconductor substrate; a substrate connected to the signal output external terminal and the signal input external terminal; and a circuit board connected to a first surface of the substrate. The present disclosure can be applied to, for example, the image pickup device, and the like.
1. An image pickup device comprising:
a first structural body and a second structural body that are layered,
the first structural body including a pixel array unit in which a pixel that performs photoelectric conversion is two-dimensionally arrayed,
the second structural body being positioned below the first structural body, the second structural body including an input circuit unit that inputs a predetermined signal from an outside of the image pickup device, an output circuit unit that outputs a pixel signal output from the pixel to the outside of the image pickup device, and a signal processing circuit;
an output unit and an input unit that are arranged below the pixel array unit of the first structural body,
the output unit including the output circuit unit, a first through-via connected to the output circuit unit and penetrating through a semiconductor substrate constituting a part of the second structural body, and a signal output external terminal that connects the output circuit unit to the outside of the image pickup device via the first through-via,
the input unit including the input circuit unit, a second through-via connected to the input circuit unit and penetrating through the semiconductor substrate, and a signal input external terminal that connects the input circuit unit to the outside of the image pickup device via the second through-via;
a substrate connected to the signal output external terminal and the signal input external terminal; and
a circuit board connected to a first surface of the substrate, the first surface facing a second surface to which the signal output external terminal and the signal input external terminal are connected.
2. The image pickup device according to claim 1 , further comprising:
a glass substrate positioned above the first structural body; and
a lens barrel, wherein
the lens barrel is placed on the glass substrate.
3. The image pickup device according to claim 1 , further comprising
a lens barrel, wherein
the lens barrel is placed on the first structural body.
4. The image pickup device according to claim 1 , wherein the substrate includes two or more substrates that intersect perpendicularly to each other.
5. The image pickup device according to claim 1 , further comprising
a lens barrel, wherein
the circuit board is connected within a corresponding region of a surface within a region of the substrate in which the lens barrel is arranged and facing a surface in which the lens barrel is arranged.
6. The image pickup device according to claim 1 , further comprising
a lens barrel, wherein
the circuit board and a wire for wire bonding are each connected within a corresponding region of a surface within a region of the substrate in which the lens barrel is arranged and facing a surface in which the lens barrel is arranged.
7. An image pickup device comprising:
a first structural body, a glass substrate, a transmittance attenuation layer, and a second structural body that are layered,
the first structural body including a pixel array unit in which a pixel that performs photoelectric conversion is two-dimensionally arrayed,
the glass substrate being positioned above the first structural body,
the transmittance attenuation layer being positioned above the first structural body and attenuating transmittance of incident light,
the second structural body being positioned below the first structural body, the second structural body including an input circuit unit that inputs a predetermined signal from an outside of the image pickup device, an output circuit unit that outputs a pixel signal output from the pixel to the outside of the image pickup device, and a signal processing circuit; and
an output unit and an input unit that are arranged below the pixel array unit of the first structural body,
the output unit including the output circuit unit, a first through-via connected to the output circuit unit and penetrating through a semiconductor substrate constituting a part of the second structural body, and a signal output external terminal that connects the output circuit unit to the outside of the image pickup device via the first through-via,
the input unit including the input circuit unit, a second through-via connected to the input circuit unit and penetrating through the semiconductor substrate, and a signal input external terminal that connects the input circuit unit to the outside of the image pickup device via the second through-via.
8. The image pickup device according to claim 7 , wherein the transmittance attenuation layer is formed on the glass substrate.
9. The image pickup device according to claim 7 , wherein the transmittance attenuation layer is formed within the glass substrate.
10. The image pickup device according to claim 7 , wherein the transmittance attenuation layer is formed between the glass substrate and the first structural body.
11. The image pickup device according to claim 7 , wherein the transmittance attenuation layer includes a plurality of layers.
12. The image pickup device according to claim 7 , wherein the transmittance attenuation layer is formed in a half region on the glass substrate.
13. The image pickup device according to claim 7 , wherein the transmittance attenuation layer is formed with different thicknesses on the glass substrate.
14. The image pickup device according to claim 7 , wherein the transmittance attenuation layer is formed on an optical black region.
15. The image pickup device according to claim 7 , wherein the transmittance attenuation layer also has a function as a color filter.
16. The image pickup device according to claim 7 , wherein the image pickup device includes a plurality of the image pickup devices, and the transmittance attenuation layer is formed in a predetermined number of the image pickup devices among the plurality of image pickup devices.
17. The image pickup device according to claim 7 , wherein the transmittance attenuation layer includes any or a combination of a metal, an inorganic material, an organic material, and a polarizer.
18. The image pickup device according to claim 7 , wherein the transmittance attenuation layer is formed by making a surface of the glass substrate a scattering surface for scattering light.
19. An image pickup device comprising:
a first structural body, a glass substrate, and a second structural body that are layered,
the first structural body including a pixel array unit in which a pixel that performs photoelectric conversion is two-dimensionally arrayed,
the glass substrate being positioned above the first structural body and including a light incident surface subjected to moth-eye processing,
the second structural body being positioned below the first structural body, the second structural body including an input circuit unit that inputs a predetermined signal from an outside of the image pickup device, an output circuit unit that outputs a pixel signal output from the pixel to the outside of the image pickup device, and a signal processing circuit; and
an output unit and an input unit that are arranged below the pixel array unit of the first structural body,
the output unit including the output circuit unit, a first through-via connected to the output circuit unit and penetrating through a semiconductor substrate constituting a part of the second structural body, and a signal output external terminal that connects the output circuit unit to the outside of the image pickup device via the first through-via,
the input unit including the input circuit unit, a second through-via connected to the input circuit unit and penetrating through the semiconductor substrate, and a signal input external terminal that connects the input circuit unit to the outside of the image pickup device via the second through-via.
20. An electronic apparatus comprising:
a first structural body and a second structural body that are layered,
the first structural body including a pixel array unit in which a pixel that performs photoelectric conversion is two-dimensionally arrayed,
the second structural body being positioned below the first structural body, the second structural body including an input circuit unit that inputs a predetermined signal from an outside of the electronic apparatus, an output circuit unit that outputs a pixel signal output from the pixel to the outside of the electronic apparatus, and a signal processing circuit;
an output unit and an input unit that are arranged below the pixel array unit of the first structural body,
the output unit including the output circuit unit, a first through-via connected to the output circuit unit and penetrating through a semiconductor substrate constituting a part of the second structural body, and a signal output external terminal that connects the output circuit unit to the outside of the electronic apparatus via the first through-via,
the input unit including the input circuit unit, a second through-via connected to the input circuit unit and penetrating through the semiconductor substrate, and a signal input external terminal that connects the input circuit unit to the outside of the electronic apparatus via the second through-via;
a substrate connected to the signal output external terminal and the signal input external terminal; and
a circuit board connected to a first surface of the substrate, the first surface facing a second surface to which the signal output external terminal and the signal input external terminal are connected.