Multibend fluorescent light source for liquid crystal displays w

Details Multibend fluorescent light source for liquid crystal displays w Multibend fluorescent light source for liquid crystal displays w

1987-01-05

1990-08-21

Miller, Stanley D.

Illumination

Supported by vehicle structure

Condition responsive

362 31, 362 84, 350334, G02F 113, F21V 704

Patent

active

049500538

ABSTRACT:
A fluorescent light source for backlighting a liquid crystal panel display consists of one or more u-shaped fluorescent elements in which the portion of the lamp segments containing the electrodes are bent at right angles to the principal light emitting portion. The low light emitting area in the vicinity of the electrodes is thus moved out of the light emitting area resulting in uniform light emission over the entire active area of the light source.
The instant invention relates to a light source for a liquid crystal display and, more particularly, a light source utilizing fluorescent elements in which the low level emissions in the vicinity of the electrode portions of the lamp are kept out of the light emitting plane.

REFERENCES:
patent: 1680633 (1928-08-01), Peters
patent: 4330813 (1982-05-01), Deutsch
patent: 4664481 (1987-05-01), Ito et al.
patent: 4748546 (1988-05-01), Ukrainsky
patent: 4767193 (1988-08-01), Ota et al.
patent: 4770499 (1988-09-01), Kobayashi et al.
Voltarc, Inc., "Voltarc Custom Fluorescent Lamps", Voltarc's Technical Bulletin, 1987.
Voltarc, Inc., "Unmatched Innovation and Quality", Information Display 1, vol. 5, No. 9, May 1989.

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