OPTICAL FILM AND LIQUID CRYSTAL DISPLAY DEVICE
PROBLEM TO BE SOLVED: To obtain an optical film which satisfies both wet heat resistance and optical function maintainability performances even in a large size without foaming, releasing and lowering optical characteristics even in a heated and humidified atmosphere and exhibits stable adhesive char...
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| creator | YAMAOKA HISASHI SATAKE MASAYUKI MIYAUCHI KAZUHIKO TANAKA YOSHIKAZU OIZUMI SHINICHI KOJIMA KATSUHIDE |
| description | PROBLEM TO BE SOLVED: To obtain an optical film which satisfies both wet heat resistance and optical function maintainability performances even in a large size without foaming, releasing and lowering optical characteristics even in a heated and humidified atmosphere and exhibits stable adhesive characteristics without warp problem of a liquid crystal cell by easily releasing the cell without damaging at the time of adhering fault and reusing the cell. SOLUTION: The optical film comprises a sticky layer 3 having 2 to 4g/mm of 1000% modulus at 90 deg.C and an elongation at tensile break of 3000% or more or 4 to 6g/mm of 1000% modulus at 90 deg.C and an elongation at tensile break of 2000'6 or more and saturated water absorption ratio at 50 deg.C and 90% R.H. of 0.4wt.% or less on one side surface or both side surfaces of an optical film material 2 having a heat shrinkage factor at 90 deg.C of 0.8% or more or less than 0.8%. Thus, the liquid crystal display device having high quality and excellent durability is obtained. |
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SOLUTION: The optical film comprises a sticky layer 3 having 2 to 4g/mm of 1000% modulus at 90 deg.C and an elongation at tensile break of 3000% or more or 4 to 6g/mm of 1000% modulus at 90 deg.C and an elongation at tensile break of 2000'6 or more and saturated water absorption ratio at 50 deg.C and 90% R.H. of 0.4wt.% or less on one side surface or both side surfaces of an optical film material 2 having a heat shrinkage factor at 90 deg.C of 0.8% or more or less than 0.8%. Thus, the liquid crystal display device having high quality and excellent durability is obtained.</description><edition>6</edition><language>eng</language><subject>ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ; ADHESIVES ; CHEMISTRY ; 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 ; DYES ; FREQUENCY-CHANGING ; LAYERED PRODUCTS ; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM ; METALLURGY ; MISCELLANEOUS APPLICATIONS OF MATERIALS ; MISCELLANEOUS COMPOSITIONS ; NATURAL RESINS ; NON-LINEAR OPTICS ; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ; OPTICAL ANALOGUE/DIGITAL CONVERTERS ; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS ; OPTICAL LOGIC ELEMENTS ; OPTICS ; PAINTS ; PERFORMING OPERATIONS ; PHYSICS ; POLISHES ; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF ; TRANSPORTING ; USE OF MATERIALS AS ADHESIVES</subject><creationdate>1998</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=19980217&DB=EPODOC&CC=JP&NR=H1044293A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19980217&DB=EPODOC&CC=JP&NR=H1044293A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>YAMAOKA HISASHI</creatorcontrib><creatorcontrib>SATAKE MASAYUKI</creatorcontrib><creatorcontrib>MIYAUCHI KAZUHIKO</creatorcontrib><creatorcontrib>TANAKA YOSHIKAZU</creatorcontrib><creatorcontrib>OIZUMI SHINICHI</creatorcontrib><creatorcontrib>KOJIMA KATSUHIDE</creatorcontrib><title>OPTICAL FILM AND LIQUID CRYSTAL DISPLAY DEVICE</title><description>PROBLEM TO BE SOLVED: To obtain an optical film which satisfies both wet heat resistance and optical function maintainability performances even in a large size without foaming, releasing and lowering optical characteristics even in a heated and humidified atmosphere and exhibits stable adhesive characteristics without warp problem of a liquid crystal cell by easily releasing the cell without damaging at the time of adhering fault and reusing the cell. SOLUTION: The optical film comprises a sticky layer 3 having 2 to 4g/mm of 1000% modulus at 90 deg.C and an elongation at tensile break of 3000% or more or 4 to 6g/mm of 1000% modulus at 90 deg.C and an elongation at tensile break of 2000'6 or more and saturated water absorption ratio at 50 deg.C and 90% R.H. of 0.4wt.% or less on one side surface or both side surfaces of an optical film material 2 having a heat shrinkage factor at 90 deg.C of 0.8% or more or less than 0.8%. Thus, the liquid crystal display device having high quality and excellent durability is obtained.</description><subject>ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE</subject><subject>ADHESIVES</subject><subject>CHEMISTRY</subject><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</subject><subject>DYES</subject><subject>FREQUENCY-CHANGING</subject><subject>LAYERED PRODUCTS</subject><subject>LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM</subject><subject>METALLURGY</subject><subject>MISCELLANEOUS APPLICATIONS OF MATERIALS</subject><subject>MISCELLANEOUS COMPOSITIONS</subject><subject>NATURAL RESINS</subject><subject>NON-LINEAR OPTICS</subject><subject>NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL</subject><subject>OPTICAL ANALOGUE/DIGITAL CONVERTERS</subject><subject>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</subject><subject>OPTICAL LOGIC ELEMENTS</subject><subject>OPTICS</subject><subject>PAINTS</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICS</subject><subject>POLISHES</subject><subject>TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF</subject><subject>TRANSPORTING</subject><subject>USE OF MATERIALS AS ADHESIVES</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1998</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNDzDwjxdHb0UXDz9PFVcPRzUfDxDAz1dFFwDooMDgGKu3gGB_g4Riq4uIZ5OrvyMLCmJeYUp_JCaW4GBTfXEGcP3dSC_PjU4oLE5NS81JJ4rwAPQwMTEyNLY0djIpQAAIukJVo</recordid><startdate>19980217</startdate><enddate>19980217</enddate><creator>YAMAOKA HISASHI</creator><creator>SATAKE MASAYUKI</creator><creator>MIYAUCHI KAZUHIKO</creator><creator>TANAKA YOSHIKAZU</creator><creator>OIZUMI SHINICHI</creator><creator>KOJIMA KATSUHIDE</creator><scope>EVB</scope></search><sort><creationdate>19980217</creationdate><title>OPTICAL FILM AND LIQUID CRYSTAL DISPLAY DEVICE</title><author>YAMAOKA HISASHI ; SATAKE MASAYUKI ; MIYAUCHI KAZUHIKO ; TANAKA YOSHIKAZU ; OIZUMI SHINICHI ; KOJIMA KATSUHIDE</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH1044293A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1998</creationdate><topic>ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE</topic><topic>ADHESIVES</topic><topic>CHEMISTRY</topic><topic>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</topic><topic>DYES</topic><topic>FREQUENCY-CHANGING</topic><topic>LAYERED PRODUCTS</topic><topic>LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM</topic><topic>METALLURGY</topic><topic>MISCELLANEOUS APPLICATIONS OF MATERIALS</topic><topic>MISCELLANEOUS COMPOSITIONS</topic><topic>NATURAL RESINS</topic><topic>NON-LINEAR OPTICS</topic><topic>NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL</topic><topic>OPTICAL ANALOGUE/DIGITAL CONVERTERS</topic><topic>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</topic><topic>OPTICAL LOGIC ELEMENTS</topic><topic>OPTICS</topic><topic>PAINTS</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICS</topic><topic>POLISHES</topic><topic>TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF</topic><topic>TRANSPORTING</topic><topic>USE OF MATERIALS AS ADHESIVES</topic><toplevel>online_resources</toplevel><creatorcontrib>YAMAOKA HISASHI</creatorcontrib><creatorcontrib>SATAKE MASAYUKI</creatorcontrib><creatorcontrib>MIYAUCHI KAZUHIKO</creatorcontrib><creatorcontrib>TANAKA YOSHIKAZU</creatorcontrib><creatorcontrib>OIZUMI SHINICHI</creatorcontrib><creatorcontrib>KOJIMA KATSUHIDE</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>YAMAOKA HISASHI</au><au>SATAKE MASAYUKI</au><au>MIYAUCHI KAZUHIKO</au><au>TANAKA YOSHIKAZU</au><au>OIZUMI SHINICHI</au><au>KOJIMA KATSUHIDE</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>OPTICAL FILM AND LIQUID CRYSTAL DISPLAY DEVICE</title><date>1998-02-17</date><risdate>1998</risdate><abstract>PROBLEM TO BE SOLVED: To obtain an optical film which satisfies both wet heat resistance and optical function maintainability performances even in a large size without foaming, releasing and lowering optical characteristics even in a heated and humidified atmosphere and exhibits stable adhesive characteristics without warp problem of a liquid crystal cell by easily releasing the cell without damaging at the time of adhering fault and reusing the cell. SOLUTION: The optical film comprises a sticky layer 3 having 2 to 4g/mm of 1000% modulus at 90 deg.C and an elongation at tensile break of 3000% or more or 4 to 6g/mm of 1000% modulus at 90 deg.C and an elongation at tensile break of 2000'6 or more and saturated water absorption ratio at 50 deg.C and 90% R.H. of 0.4wt.% or less on one side surface or both side surfaces of an optical film material 2 having a heat shrinkage factor at 90 deg.C of 0.8% or more or less than 0.8%. Thus, the liquid crystal display device having high quality and excellent durability is obtained.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY 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 DYES FREQUENCY-CHANGING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-LINEAR OPTICS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PAINTS PERFORMING OPERATIONS PHYSICS POLISHES TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF TRANSPORTING USE OF MATERIALS AS ADHESIVES |
| title | OPTICAL FILM AND LIQUID CRYSTAL DISPLAY DEVICE |
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