Correcting lens system for cathode ray tube exposure system
The correcting lens system contains a lens (31) made up of a number of combined block cells (31a). Light from the light source is scattered at an inner surface of a rear wall and emitted. The lens system is designed so that ultraviolet light with a wavelength of less than 300 nm is blocked. An inter...
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| creator | HAN, DONG-HEE, KWANGMYUNG, KYUNGKI, KR HAN, KI-SU, SUWON, KYUNGKI, KR OH, JUN-SIK, SEOUL/SOUL, KR CHO, YOON-HYOUNG, YONGIN, KYUNGKI, KR |
| description | The correcting lens system contains a lens (31) made up of a number of combined block cells (31a). Light from the light source is scattered at an inner surface of a rear wall and emitted. The lens system is designed so that ultraviolet light with a wavelength of less than 300 nm is blocked. An interruption element (33) mounted on one side opposite the light source blocks ultraviolet light with a wavelength less than 300 nm. The interruption element can be a glass substrate or optical filter element. |
| format | Patent |
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Light from the light source is scattered at an inner surface of a rear wall and emitted. The lens system is designed so that ultraviolet light with a wavelength of less than 300 nm is blocked. An interruption element (33) mounted on one side opposite the light source blocks ultraviolet light with a wavelength less than 300 nm. The interruption element can be a glass substrate or optical filter element.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| language | eng ; ger |
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| subjects | BASIC ELECTRIC ELEMENTS ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRICITY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS |
| title | Correcting lens system for cathode ray tube exposure system |
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