LIQUID CRYSTAL OPTICAL ELEMENT AND OPTICAL PICKUP DEVICE
PROBLEM TO BE SOLVED: To provide a liquid crystal optical element which is usable for an optical pickup, mounted with a liquid crystal optical element and provided to remove the wavefront aberrations of laser light, and suppresses generation of astigmatism due to temperature variations, even if the...
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| creator | TAKANE YOSHIHARU |
| description | PROBLEM TO BE SOLVED: To provide a liquid crystal optical element which is usable for an optical pickup, mounted with a liquid crystal optical element and provided to remove the wavefront aberrations of laser light, and suppresses generation of astigmatism due to temperature variations, even if the liquid crystal optical element has a liquid crystal layer whose planar shape is not square. SOLUTION: The liquid crystal optical element, having the liquid crystal layer held between two transparent substrates with an interposed rectangular seal formed, such that long-side seals are thinner than short-side seals adopts constitution such that long-side seal widths decrease from two intersections of the long-side seals and short-side seals to the centers. COPYRIGHT: (C)2008,JPO&INPIT |
| format | Patent |
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SOLUTION: The liquid crystal optical element, having the liquid crystal layer held between two transparent substrates with an interposed rectangular seal formed, such that long-side seals are thinner than short-side seals adopts constitution such that long-side seal widths decrease from two intersections of the long-side seals and short-side seals to the centers. COPYRIGHT: (C)2008,JPO&INPIT</description><language>eng</language><subject>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 ; INFORMATION STORAGE ; INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER ; NON-LINEAR OPTICS ; OPTICAL ANALOGUE/DIGITAL CONVERTERS ; OPTICAL LOGIC ELEMENTS ; OPTICS ; PHYSICS ; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF</subject><creationdate>2008</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20080403&DB=EPODOC&CC=JP&NR=2008076928A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,781,886,25568,76551</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20080403&DB=EPODOC&CC=JP&NR=2008076928A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TAKANE YOSHIHARU</creatorcontrib><title>LIQUID CRYSTAL OPTICAL ELEMENT AND OPTICAL PICKUP DEVICE</title><description>PROBLEM TO BE SOLVED: To provide a liquid crystal optical element which is usable for an optical pickup, mounted with a liquid crystal optical element and provided to remove the wavefront aberrations of laser light, and suppresses generation of astigmatism due to temperature variations, even if the liquid crystal optical element has a liquid crystal layer whose planar shape is not square. SOLUTION: The liquid crystal optical element, having the liquid crystal layer held between two transparent substrates with an interposed rectangular seal formed, such that long-side seals are thinner than short-side seals adopts constitution such that long-side seal widths decrease from two intersections of the long-side seals and short-side seals to the centers. 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SOLUTION: The liquid crystal optical element, having the liquid crystal layer held between two transparent substrates with an interposed rectangular seal formed, such that long-side seals are thinner than short-side seals adopts constitution such that long-side seal widths decrease from two intersections of the long-side seals and short-side seals to the centers. COPYRIGHT: (C)2008,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 INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF |
| title | LIQUID CRYSTAL OPTICAL ELEMENT AND OPTICAL PICKUP DEVICE |
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