Liquid crystal cells – elements and systems – Particular structure – Particular illumination
Reexamination Certificate
1998-08-20
2001-02-06
Parker, Kenneth (Department: 2871)
Liquid crystal cells, elements and systems
Particular structure
Particular illumination
C362S026000, C379S067100, C379S071000
Reexamination Certificate
active
06184950
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a LCD luminous structure, by which more power can be saved, and cells will not been updated frequently.
LCDs (liquid crystal display) have been widely used in a pager, a wireless phone, and other products. In general, if it is used at night, a light emitting diode or other light source is necessary so that the displaying message may be clearly seen by a user. However, light emitting diodes or other light sources consume much power. If it is used frequently, the power will be wasted. Thus the prior art LCD has some defects necessary to be improved.
SUMMARY OF THE INVENTION
Accordingly, the object of the present invention is to provide a LCD luminous structure, wherein a luminous piece is installed on the bottom of a LCD liquid crystal displaying plate. This luminous piece can absorb light as it is illuminated by sunlight or bulb light, and can radiate light as it is at night or in dark environment of insufficient illumination. Therefore, in the night or other environments with bad illumination, the display message on the liquid crystal displaying plate can be clearing seen by users. Since the installation of the luminous piece may provide another selection for the user, thus the power consumption of the light emitting diode or other light source is reduced. Thus the object of power-saving is achieved, the cell is unnecessary to be updated frequently.
The present invention will be better understood and its numerous objects and advantages will become apparent to those skilled in the art by referencing to the following drawings in which:
REFERENCES:
patent: 3950078 (1976-04-01), Zatsky
patent: 4641925 (1987-02-01), Gasparaitis et al.
patent: 5815228 (1998-09-01), Flynn
patent: 5885483 (1999-03-01), Hao et al.
patent: 2007900A (1997-07-01), None
Parker Kenneth
Rosenberg , Klein & Lee
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