Solid-state imaging device, driving method therefor, and electronic apparatus
The present technology relates to a solid-state imaging device, a driving method therefor, and an electronic apparatus capable of acquiring a signal to detect phase difference and a signal to generate a high dynamic range image at the same time. The solid-state imaging device includes a pixel array unit in which a plurality of pixels that receives light of a same color is arranged under one on-chip lens. The plurality of pixels uses at least one pixel transistor in a sharing manner, some pixels out of the plurality of pixels are set to have a first exposure time, and other pixels are set to have a second exposure time shorter than the first exposure time. The present technology can be applied to, for example, a solid-state imaging device or the like.
1. An imaging device, comprising:
a first photoelectric conversion region;
a second photoelectric conversion region disposed adjacent to the first photoelectric conversion region;
a first on-chip lens disposed above the first photoelectric conversion region;
a second on-chip lens disposed above the second photoelectric conversion region;
a green photoelectric conversion film disposed between the first photoelectric conversion region and the first on-chip lens and between the second photoelectric conversion region and the second on-chip lens;
a first color filter disposed between the first photoelectric conversion region and the green photoelectric conversion film; and
a second color filter disposed between the second photoelectric conversion region and the green photoelectric conversion film.
2. The imaging device according to claim 1 , further comprising:
a third photoelectric conversion region; and
a third on-chip lens, wherein the green photoelectric conversion film is further disposed between the third photoelectric conversion region and the third on-chip lens.
3. The imaging device according to claim 2 , further comprising:
a fourth photoelectric conversion region, wherein the green photoelectric conversion film is further disposed between the fourth photoelectric conversion region and the third on-chip lens.
4. The imaging device according to claim 1 , wherein the green photoelectric conversion film comprises an organic photoelectric conversion material containing one or more of a rhodamine-based dye, a merocyanine-based dye, and quinacridone.
5. The imaging device according to claim 1 , wherein the green photoelectric conversion film photoelectrically converts green light formed in a plurality of pixels.
6. The imaging device of claim 1 , wherein electric charge converted by the green photoelectric conversion film is accumulated in a diffusion layer.
7. The imaging device according to claim 1 , further comprising a pixel electrode formed on a light-incident side of a semiconductor substrate.
8. A driving method for an imaging device, wherein the imaging device comprises:
a first photoelectric conversion region;
a second photoelectric conversion region disposed adjacent to the first photoelectric conversion region;
a first on-chip lens disposed above the first photoelectric conversion region;
a second on-chip lens disposed above the second photoelectric conversion region;
a green photoelectric conversion film disposed between the first photoelectric conversion region and the first on-chip lens and between the second photoelectric conversion region and the second on-chip lens;
a first color filter disposed between the first photoelectric conversion region and the green photoelectric conversion film; and
a second color filter disposed between the second photoelectric conversion region and the green photoelectric conversion film.
9. The driving method according to claim 8 , further comprising:
a third photoelectric conversion region; and
a third on-chip lens, wherein the green photoelectric conversion film is further disposed between the third photoelectric conversion region and the third on-chip lens.
10. The driving method according to claim 9 , further comprising:
a fourth photoelectric conversion region, wherein the green photoelectric conversion film is further disposed between the fourth photoelectric conversion region and the third on-chip lens.
11. The driving method according to claim 8 , wherein the green photoelectric conversion film comprises an organic photoelectric conversion material containing one or more of a rhodamine-based dye, a merocyanine-based dye, and quinacridone.
12. The driving method according to claim 8 , wherein the green photoelectric conversion film photoelectrically converts green light formed in a plurality of pixels.
13. The driving method according to claim 8 , wherein electric charge converted by the green photoelectric conversion film is accumulated in a diffusion layer.
14. The driving method according to claim 8 , further comprising a pixel electrode formed on a light-incident side of a semiconductor substrate.
15. An electronic apparatus comprising an imaging device, the imaging device comprising:
a first photoelectric conversion region;
a second photoelectric conversion region disposed adjacent to the first photoelectric conversion region;
a first on-chip lens disposed above the first photoelectric conversion region;
a second on-chip lens disposed above the second photoelectric conversion region;
a green photoelectric conversion film disposed between the first photoelectric conversion region and the first on-chip lens and between the second photoelectric conversion region and the second on-chip lens;
a first color filter disposed between the first photoelectric conversion region and the green photoelectric conversion film; and
a second color filter disposed between the second photoelectric conversion region and the green photoelectric conversion film.
16. The electronic apparatus according to claim 15 , further comprising:
a third photoelectric conversion region; and
a third on-chip lens, wherein the green photoelectric conversion film is further disposed between the third photoelectric conversion region and the third on-chip lens.
17. The electronic apparatus according to claim 16 , further comprising:
a fourth photoelectric conversion region, wherein the green photoelectric conversion film is further disposed between the fourth photoelectric conversion region and the third on-chip lens.
18. The electronic apparatus according to claim 15 , wherein the green photoelectric conversion film comprises an organic photoelectric conversion material containing one or more of a rhodamine-based dye, a merocyanine-based dye, and quinacridone.
19. The electronic apparatus according to claim 15 , wherein the green photoelectric conversion film photoelectrically converts green light formed in a plurality of pixels.
20. The electronic apparatus according to claim 15 , wherein electric charge converted by the green photoelectric conversion film is accumulated in a diffusion layer.