Liquid crystal display panel

Details Liquid crystal display panel Liquid crystal display panel

1997-10-17

1999-08-17

Dang, Hung Xuan

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

349110, 349123, 349138, 349174, G02F 11339, G02F 11337

Patent

active

059401575

ABSTRACT:
A liquid crystal display panel includes a first electrode substrate having a transparent electrode array, and a second electrode substrate having a second transparent electrode array which extends perpendicularly to the electrode array of the first substrate. The substrates overlap each other with separation walls interposed therebetween. The separation walls are formed in the spaces between individual transparent electrodes of one of the arrays and extend in parallel therewith. Liquid crystal, such as antiferroelectric liquid crystal, fills the space between the two electrode substrates. The liquid crystal near the separation walls is not properly oriented, and light leaks therethrough in the dark state of the liquid crystal. To prevent the light leakage, metal electrodes are formed along the separation walls so that the metal electrodes intercept the light passing through the liquid crystal near the separation walls. Thus, a high display contrast is realized.

REFERENCES:
patent: 4720173 (1988-01-01), Okada et al.
patent: 5644371 (1997-07-01), Koden et al.
patent: 5828434 (1998-10-01), Koden et al.

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