Use of polysilicon for smoothing of liquid crystal MOS displays

Details Use of polysilicon for smoothing of liquid crystal MOS displays Use of polysilicon for smoothing of liquid crystal MOS displays

1982-12-13

1984-06-05

Smith, John D.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

156648, 156662, 427 85, 427 86, 427 88, 427 93, 427 96, 427108, G02F 1133

Patent

active

044528264

ABSTRACT:
In a liquid crystal imaging display comprising a liquid crystal layer formed over the top surface of a MOS integrated circuit, the reflectivity of the pixel control electrodes is enhanced by means of a polycrystalline silicon layer formed over the MOS integrated circuit and polished to have an optically smooth surface over which the pixel control electrodes and the liquid crystal may be placed. Contrast ratios on the order of 100 to 1 are achieved.

REFERENCES:
patent: 3862360 (1975-01-01), Dill
patent: 4191454 (1980-03-01), Braatz
patent: 4239346 (1980-12-01), Lloyd
patent: 4305974 (1981-12-01), Abe

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