Polarizing plate set and liquid crystal panel
The present invention provides a polarizing plate set capable of reducing warping of liquid crystal panel in high temperature environments. The polarizing plate set comprises a front side polarizing plate disposed on the viewing side of a liquid crystal cell and a back side polarizing plate disposed...
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| creator | JINNO, TORU FUJINAGA, MASASHI |
| description | The present invention provides a polarizing plate set capable of reducing warping of liquid crystal panel in high temperature environments. The polarizing plate set comprises a front side polarizing plate disposed on the viewing side of a liquid crystal cell and a back side polarizing plate disposed on the back side of the liquid crystal cell. When a laminate in which the front side polarizing plate and the back side polarizing plate are bonded to a glass plate such that the absorption axis of the front side polarizing plate and the absorption axis of the back side polarizing plate are orthogonal to each other is heated at 85 DEG C for 250 hours, and a tensile elastic modulus in the polarizing plate transmission axis direction at 85 DEG C and a tensile elastic modulus in the polarizing plate absorption axis direction at 85 DEG C are taken as Et and Ea, respectively, the protective film in the polarizing plate on the side where the laminate is warped in a concave shape satisfies Ea, Et/Ea ≥ 1.1. |
| format | Patent |
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The polarizing plate set comprises a front side polarizing plate disposed on the viewing side of a liquid crystal cell and a back side polarizing plate disposed on the back side of the liquid crystal cell. When a laminate in which the front side polarizing plate and the back side polarizing plate are bonded to a glass plate such that the absorption axis of the front side polarizing plate and the absorption axis of the back side polarizing plate are orthogonal to each other is heated at 85 DEG C for 250 hours, and a tensile elastic modulus in the polarizing plate transmission axis direction at 85 DEG C and a tensile elastic modulus in the polarizing plate absorption axis direction at 85 DEG C are taken as Et and Ea, respectively, the protective film in the polarizing plate on the side where the laminate is warped in a concave shape satisfies Ea, Et/Ea ≥ 1.1.</description><language>chi ; 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 ; NON-LINEAR OPTICS ; OPTICAL ANALOGUE/DIGITAL CONVERTERS ; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS ; OPTICAL LOGIC ELEMENTS ; OPTICS ; PHYSICS ; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF</subject><creationdate>2021</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=20211001&DB=EPODOC&CC=TW&NR=I741008B$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76418</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20211001&DB=EPODOC&CC=TW&NR=I741008B$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>JINNO, TORU</creatorcontrib><creatorcontrib>FUJINAGA, MASASHI</creatorcontrib><title>Polarizing plate set and liquid crystal panel</title><description>The present invention provides a polarizing plate set capable of reducing warping of liquid crystal panel in high temperature environments. The polarizing plate set comprises a front side polarizing plate disposed on the viewing side of a liquid crystal cell and a back side polarizing plate disposed on the back side of the liquid crystal cell. When a laminate in which the front side polarizing plate and the back side polarizing plate are bonded to a glass plate such that the absorption axis of the front side polarizing plate and the absorption axis of the back side polarizing plate are orthogonal to each other is heated at 85 DEG C for 250 hours, and a tensile elastic modulus in the polarizing plate transmission axis direction at 85 DEG C and a tensile elastic modulus in the polarizing plate absorption axis direction at 85 DEG C are taken as Et and Ea, respectively, the protective film in the polarizing plate on the side where the laminate is warped in a concave shape satisfies Ea, Et/Ea ≥ 1.1.</description><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>FREQUENCY-CHANGING</subject><subject>NON-LINEAR OPTICS</subject><subject>OPTICAL ANALOGUE/DIGITAL CONVERTERS</subject><subject>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</subject><subject>OPTICAL LOGIC ELEMENTS</subject><subject>OPTICS</subject><subject>PHYSICS</subject><subject>TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2021</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNANyM9JLMqsysxLVyjISSxJVShOLVFIzEtRyMksLM1MUUguqiwuScxRKEjMS83hYWBNS8wpTuWF0twMCm6uIc4euqkF-fGpxQWJyal5qSXxIeGe5iaGBgYWTk7GRCgBAIGFKjQ</recordid><startdate>20211001</startdate><enddate>20211001</enddate><creator>JINNO, TORU</creator><creator>FUJINAGA, MASASHI</creator><scope>EVB</scope></search><sort><creationdate>20211001</creationdate><title>Polarizing plate set and liquid crystal panel</title><author>JINNO, TORU ; FUJINAGA, MASASHI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_TWI741008BB3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2021</creationdate><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>FREQUENCY-CHANGING</topic><topic>NON-LINEAR OPTICS</topic><topic>OPTICAL ANALOGUE/DIGITAL CONVERTERS</topic><topic>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</topic><topic>OPTICAL LOGIC ELEMENTS</topic><topic>OPTICS</topic><topic>PHYSICS</topic><topic>TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF</topic><toplevel>online_resources</toplevel><creatorcontrib>JINNO, TORU</creatorcontrib><creatorcontrib>FUJINAGA, MASASHI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>JINNO, TORU</au><au>FUJINAGA, MASASHI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Polarizing plate set and liquid crystal panel</title><date>2021-10-01</date><risdate>2021</risdate><abstract>The present invention provides a polarizing plate set capable of reducing warping of liquid crystal panel in high temperature environments. The polarizing plate set comprises a front side polarizing plate disposed on the viewing side of a liquid crystal cell and a back side polarizing plate disposed on the back side of the liquid crystal cell. When a laminate in which the front side polarizing plate and the back side polarizing plate are bonded to a glass plate such that the absorption axis of the front side polarizing plate and the absorption axis of the back side polarizing plate are orthogonal to each other is heated at 85 DEG C for 250 hours, and a tensile elastic modulus in the polarizing plate transmission axis direction at 85 DEG C and a tensile elastic modulus in the polarizing plate absorption axis direction at 85 DEG C are taken as Et and Ea, respectively, the protective film in the polarizing plate on the side where the laminate is warped in a concave shape satisfies Ea, Et/Ea ≥ 1.1.</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 ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF |
| title | Polarizing plate set and liquid crystal panel |
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