Abstract

We describe the principle and the operation of a 120 × 100 pixel antiblooming array. Each cell in the array is made up of a hydrogenated amorphous silicon photoconductor layer driving a ferroelectric liquid-crystal shutter. The device is designed to be coupled with a CCD camera to prevent high-blooming overload and image lag.

© 1994 Optical Society of America

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References

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  1. J. Hynecek, Optoelectron. Devices Technol. 6, 245 (1991).
  2. J. L. de Bougrenet de la Tocnaye, J. R. Brocklehurst, Appl. Opt. 30, 179 (1991).
    [CrossRef] [PubMed]
  3. K. M. Johnson, Phys. World 5, (9), 37 (1992).
  4. L. N. Itseleva, D. Yu. Polushkin, D. G. Sikharulidze, Yu. B. Stepanov, M. G. Tomilin, Sov. J. Opt. Technol. 57, 32 (1990).
  5. H. Seki, Y. Masuda, Y. Itoh, Proc. Soc. Inf. Disp. 32, 191 (1991).

1992 (1)

K. M. Johnson, Phys. World 5, (9), 37 (1992).

1991 (3)

H. Seki, Y. Masuda, Y. Itoh, Proc. Soc. Inf. Disp. 32, 191 (1991).

J. L. de Bougrenet de la Tocnaye, J. R. Brocklehurst, Appl. Opt. 30, 179 (1991).
[CrossRef] [PubMed]

J. Hynecek, Optoelectron. Devices Technol. 6, 245 (1991).

1990 (1)

L. N. Itseleva, D. Yu. Polushkin, D. G. Sikharulidze, Yu. B. Stepanov, M. G. Tomilin, Sov. J. Opt. Technol. 57, 32 (1990).

Brocklehurst, J. R.

de Bougrenet de la Tocnaye, J. L.

Hynecek, J.

J. Hynecek, Optoelectron. Devices Technol. 6, 245 (1991).

Itoh, Y.

H. Seki, Y. Masuda, Y. Itoh, Proc. Soc. Inf. Disp. 32, 191 (1991).

Itseleva, L. N.

L. N. Itseleva, D. Yu. Polushkin, D. G. Sikharulidze, Yu. B. Stepanov, M. G. Tomilin, Sov. J. Opt. Technol. 57, 32 (1990).

Johnson, K. M.

K. M. Johnson, Phys. World 5, (9), 37 (1992).

Masuda, Y.

H. Seki, Y. Masuda, Y. Itoh, Proc. Soc. Inf. Disp. 32, 191 (1991).

Polushkin, D. Yu.

L. N. Itseleva, D. Yu. Polushkin, D. G. Sikharulidze, Yu. B. Stepanov, M. G. Tomilin, Sov. J. Opt. Technol. 57, 32 (1990).

Seki, H.

H. Seki, Y. Masuda, Y. Itoh, Proc. Soc. Inf. Disp. 32, 191 (1991).

Sikharulidze, D. G.

L. N. Itseleva, D. Yu. Polushkin, D. G. Sikharulidze, Yu. B. Stepanov, M. G. Tomilin, Sov. J. Opt. Technol. 57, 32 (1990).

Stepanov, Yu. B.

L. N. Itseleva, D. Yu. Polushkin, D. G. Sikharulidze, Yu. B. Stepanov, M. G. Tomilin, Sov. J. Opt. Technol. 57, 32 (1990).

Tomilin, M. G.

L. N. Itseleva, D. Yu. Polushkin, D. G. Sikharulidze, Yu. B. Stepanov, M. G. Tomilin, Sov. J. Opt. Technol. 57, 32 (1990).

Appl. Opt. (1)

Optoelectron. Devices Technol. (1)

J. Hynecek, Optoelectron. Devices Technol. 6, 245 (1991).

Phys. World (1)

K. M. Johnson, Phys. World 5, (9), 37 (1992).

Proc. Soc. Inf. Disp. (1)

H. Seki, Y. Masuda, Y. Itoh, Proc. Soc. Inf. Disp. 32, 191 (1991).

Sov. J. Opt. Technol. (1)

L. N. Itseleva, D. Yu. Polushkin, D. G. Sikharulidze, Yu. B. Stepanov, M. G. Tomilin, Sov. J. Opt. Technol. 57, 32 (1990).

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Figures (4)

Fig. 1
Fig. 1

Cross section of an elementary cell.

Fig. 2
Fig. 2

Operation of the antiblooming device: (a) the LED is on, but the antiblooming device does not operate, and the CCD blooms; (b) the antiblooming device operates, and the LED is on; (c) the antiblooming device operates, but the LED is off; (d) a magnified view of part of the device showing only the overilluminated pixels switched on.

Fig. 3
Fig. 3

Response time as a function of the applied voltage for two different illumination values.

Fig. 4
Fig. 4

Contrast as a function of the illumination for two typical voltage values.

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