OPTICAL SYSTEM FOR CONDENSING LIGHT IN SQUARE PATTERN AND UV RAY IRRADIATION APPARATUS FOR LIQUID CRYSTAL PANEL
PROBLEM TO BE SOLVED: To provide an optical system for condensing light in a square pattern, the system that irradiates a square part with light at high illuminance and uniformity, that is in a small size with high irradiation efficiency, and to provide a UV ray irradiation apparatus for a liquid cr...
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| creator | AZUMA YUJI MIZUKAMI TAKAO |
| description | PROBLEM TO BE SOLVED: To provide an optical system for condensing light in a square pattern, the system that irradiates a square part with light at high illuminance and uniformity, that is in a small size with high irradiation efficiency, and to provide a UV ray irradiation apparatus for a liquid crystal panel using the optical system. SOLUTION: The optical system 10 for condensing light in a square pattern comprises at least two condensing units 20 for straight lines, each unit having a rod lens 1 and a plurality of light emitting diodes 2 and the light emitting diodes arranged close to the rod lens and along the longitudinal direction or the lens, and at least one condensing unit 30 for a corner comprising four optical modules 31 assembled into a cross form, each module having a cylindrical lens 3 and a plurality of light emitting diodes 4 and the light emitting diodes arranged closed to the cylindrical lens and along the longitudinal direction of the lens, wherein a pair of condensing units 20 for straight lines are placed in intersecting directions over one condensing unit 30 for a corner. COPYRIGHT: (C)2007,JPO&INPIT |
| format | Patent |
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SOLUTION: The optical system 10 for condensing light in a square pattern comprises at least two condensing units 20 for straight lines, each unit having a rod lens 1 and a plurality of light emitting diodes 2 and the light emitting diodes arranged close to the rod lens and along the longitudinal direction or the lens, and at least one condensing unit 30 for a corner comprising four optical modules 31 assembled into a cross form, each module having a cylindrical lens 3 and a plurality of light emitting diodes 4 and the light emitting diodes arranged closed to the cylindrical lens and along the longitudinal direction of the lens, wherein a pair of condensing units 20 for straight lines are placed in intersecting directions over one condensing unit 30 for a corner. 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SOLUTION: The optical system 10 for condensing light in a square pattern comprises at least two condensing units 20 for straight lines, each unit having a rod lens 1 and a plurality of light emitting diodes 2 and the light emitting diodes arranged close to the rod lens and along the longitudinal direction or the lens, and at least one condensing unit 30 for a corner comprising four optical modules 31 assembled into a cross form, each module having a cylindrical lens 3 and a plurality of light emitting diodes 4 and the light emitting diodes arranged closed to the cylindrical lens and along the longitudinal direction of the lens, wherein a pair of condensing units 20 for straight lines are placed in intersecting directions over one condensing unit 30 for a corner. 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SOLUTION: The optical system 10 for condensing light in a square pattern comprises at least two condensing units 20 for straight lines, each unit having a rod lens 1 and a plurality of light emitting diodes 2 and the light emitting diodes arranged close to the rod lens and along the longitudinal direction or the lens, and at least one condensing unit 30 for a corner comprising four optical modules 31 assembled into a cross form, each module having a cylindrical lens 3 and a plurality of light emitting diodes 4 and the light emitting diodes arranged closed to the cylindrical lens and along the longitudinal direction of the lens, wherein a pair of condensing units 20 for straight lines are placed in intersecting directions over one condensing unit 30 for a corner. COPYRIGHT: (C)2007,JPO&INPIT</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF |
| title | OPTICAL SYSTEM FOR CONDENSING LIGHT IN SQUARE PATTERN AND UV RAY IRRADIATION APPARATUS FOR LIQUID CRYSTAL PANEL |
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