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2 716 845

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(51)

IPC

B64D45/00(2006-01-01)

G02B23/10(2006-01-01)

G02F1/13357(2006-01-01)

(21) (22)

Application

2019117849, 2019-06-06

(24)

Start date

2019-06-06

(22)

Actual filing date

2019-06-06

(45)

Published

2020-03-17

(72)

Inventor

Zhurba Vladimir MikhajlovichPujsha Aleksandr EduardovichKishalov Anton AleksandrovichArkhipova Irina Sergeevna

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennostyu Predpriyatie Volokonno-Opticheskogo I Lazernogo Oborudovaniya"

LASER ILLUMINATOR FOR COLLIMATING AVIATION INDICATOR Russian patent published in 2020 - IPC B64D45/00 G02B23/10 G02F1/13357

Abstract RU 2716845 C1

FIELD: optics.

SUBSTANCE: invention relates to optical instrument-making and concerns a liquid crystal display illuminator for a collimating aviation indicator. Illuminator comprises several laser semiconductor emitters emitting in the green spectral region, collimating lenses, optical wedges directing radiation to the homogeniser and a condenser. Homogenizer consists of two sets of cylindrical lenses located mutually perpendicular to each other, and is in focal point of condenser.

EFFECT: technical result consists in improvement of maximum brightness of the displayed image and providing possibility of its comfortable perception in the whole range of brightness of the surrounding space.

1 cl, 2 dwg

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RU 2 716 845 C1

Authors

Zhurba Vladimir Mikhajlovich

Pujsha Aleksandr Eduardovich

Kishalov Anton Aleksandrovich

Arkhipova Irina Sergeevna

Dates

2020-03-17—Published

2019-06-06—Filed