Liquid crystal display device having polarizers and microlens ar

Details Liquid crystal display device having polarizers and microlens ar Liquid crystal display device having polarizers and microlens ar

1994-03-03

1996-04-16

Sikes, William L.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 63, 359 67, 359 41, G02F 11335

Patent

active

055088341

ABSTRACT:
To provide a liquid crystal display device which is free from any adverse affect due to foreign matter attached to a polarizing plate, the liquid crystal display device is provided with a liquid crystal cell, a pair of transparent cover members mounted on outer surfaces of the liquid crystal cell, and polarizing plates attached to the transparent cover members. The polarizing plates are attached to the surfaces of the transparent cover members while ensuring a sufficient space from a liquid crystal layer of the liquid crystal cell. Therefore, in the case where a focal plane of an enlargement lens system is aligned with the liquid crystal layer, the polarizing plates are located out of a depth of focus of the lens system to thereby obviate the adverse affect due to the foreign matter attached to the polarizing plates. In some cases, it is possible to integrally form a microlens array with the transparent cover member in confront with and in alignment with a pixel array. It is also possible to provide a light-shielding layer to the transparent cover members for shielding a non-effective image field region of the liquid crystal cell.

REFERENCES:
patent: 3874163 (1975-04-01), Ikeno
patent: 4963001 (1990-10-01), Miyajima
patent: 5018837 (1991-05-01), McKee et al.
patent: 5126863 (1992-06-01), Otsuka et al.
patent: 5150231 (1992-09-01), Iwamoto et al.
patent: 5406399 (1995-04-01), Koike

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