PROJECTION DEVICE
PURPOSE:To reduce the area of a void part between respective picture elements on a large- sized screen surface and to realize excellent observation where the granularity of a projected picture is reduced by constituting the enlarged picture of the respective picture elements by a microlens group and...
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| creator | TSUJI SADAHIKO |
| description | PURPOSE:To reduce the area of a void part between respective picture elements on a large- sized screen surface and to realize excellent observation where the granularity of a projected picture is reduced by constituting the enlarged picture of the respective picture elements by a microlens group and projecting the enlarged picture of the respective picture elements by a projection optical system. CONSTITUTION:The microlens group 5 is arranged between the projection optical system 4 and a display part 3, and forms the enlarged virtual image of the respective picture elements on a display part 3 on a light source 1 side. The projection optical system 4 projects the enlarged virtual image by the microlens group 5 on the display part 3, which is displayed based on the optical modulation of liquid crystal, on the screen 6 surface. For example, when the magnification of the enlarged virtual image by the microlens group 5 is set so that the void part between the respective picture elements may not exist apparently, the projected picture on the screen 6 surface becomes the perfectly continuous picture. In the case the magnification is smaller than the set one, the slight void part is left on the projected picture on the screen 6 surface; and in the case the magnification is larger than it, the projected picture on the screen 6 surface is in,a state where the respective picture elements are partially overlapped; but the granularity of the projected picture on the screen 6 surface is reduced in any case. |
| format | Patent |
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CONSTITUTION:The microlens group 5 is arranged between the projection optical system 4 and a display part 3, and forms the enlarged virtual image of the respective picture elements on a display part 3 on a light source 1 side. The projection optical system 4 projects the enlarged virtual image by the microlens group 5 on the display part 3, which is displayed based on the optical modulation of liquid crystal, on the screen 6 surface. For example, when the magnification of the enlarged virtual image by the microlens group 5 is set so that the void part between the respective picture elements may not exist apparently, the projected picture on the screen 6 surface becomes the perfectly continuous picture. In the case the magnification is smaller than the set one, the slight void part is left on the projected picture on the screen 6 surface; and in the case the magnification is larger than it, the projected picture on the screen 6 surface is in,a state where the respective picture elements are partially overlapped; but the granularity of the projected picture on the screen 6 surface is reduced in any case.</description><edition>6</edition><language>eng</language><subject>ADVERTISING ; CRYPTOGRAPHY ; 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 ; DISPLAY ; DISPLAYING ; EDUCATION ; FREQUENCY-CHANGING ; LABELS OR NAME-PLATES ; NON-LINEAR OPTICS ; OPTICAL ANALOGUE/DIGITAL CONVERTERS ; OPTICAL LOGIC ELEMENTS ; OPTICS ; PHYSICS ; SEALS ; SIGNS ; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF</subject><creationdate>1996</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=19960220&DB=EPODOC&CC=JP&NR=H0850285A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19960220&DB=EPODOC&CC=JP&NR=H0850285A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TSUJI SADAHIKO</creatorcontrib><title>PROJECTION DEVICE</title><description>PURPOSE:To reduce the area of a void part between respective picture elements on a large- sized screen surface and to realize excellent observation where the granularity of a projected picture is reduced by constituting the enlarged picture of the respective picture elements by a microlens group and projecting the enlarged picture of the respective picture elements by a projection optical system. CONSTITUTION:The microlens group 5 is arranged between the projection optical system 4 and a display part 3, and forms the enlarged virtual image of the respective picture elements on a display part 3 on a light source 1 side. The projection optical system 4 projects the enlarged virtual image by the microlens group 5 on the display part 3, which is displayed based on the optical modulation of liquid crystal, on the screen 6 surface. For example, when the magnification of the enlarged virtual image by the microlens group 5 is set so that the void part between the respective picture elements may not exist apparently, the projected picture on the screen 6 surface becomes the perfectly continuous picture. In the case the magnification is smaller than the set one, the slight void part is left on the projected picture on the screen 6 surface; and in the case the magnification is larger than it, the projected picture on the screen 6 surface is in,a state where the respective picture elements are partially overlapped; but the granularity of the projected picture on the screen 6 surface is reduced in any case.</description><subject>ADVERTISING</subject><subject>CRYPTOGRAPHY</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>DISPLAY</subject><subject>DISPLAYING</subject><subject>EDUCATION</subject><subject>FREQUENCY-CHANGING</subject><subject>LABELS OR NAME-PLATES</subject><subject>NON-LINEAR OPTICS</subject><subject>OPTICAL ANALOGUE/DIGITAL CONVERTERS</subject><subject>OPTICAL LOGIC ELEMENTS</subject><subject>OPTICS</subject><subject>PHYSICS</subject><subject>SEALS</subject><subject>SIGNS</subject><subject>TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1996</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBAMCPL3cnUO8fT3U3BxDfN0duVhYE1LzClO5YXS3AwKbq4hzh66qQX58anFBYnJqXmpJfFeAR4GFqYGRhamjsZEKAEA75cdnQ</recordid><startdate>19960220</startdate><enddate>19960220</enddate><creator>TSUJI SADAHIKO</creator><scope>EVB</scope></search><sort><creationdate>19960220</creationdate><title>PROJECTION DEVICE</title><author>TSUJI SADAHIKO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH0850285A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1996</creationdate><topic>ADVERTISING</topic><topic>CRYPTOGRAPHY</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>DISPLAY</topic><topic>DISPLAYING</topic><topic>EDUCATION</topic><topic>FREQUENCY-CHANGING</topic><topic>LABELS OR NAME-PLATES</topic><topic>NON-LINEAR OPTICS</topic><topic>OPTICAL ANALOGUE/DIGITAL CONVERTERS</topic><topic>OPTICAL LOGIC ELEMENTS</topic><topic>OPTICS</topic><topic>PHYSICS</topic><topic>SEALS</topic><topic>SIGNS</topic><topic>TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF</topic><toplevel>online_resources</toplevel><creatorcontrib>TSUJI SADAHIKO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>TSUJI SADAHIKO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PROJECTION DEVICE</title><date>1996-02-20</date><risdate>1996</risdate><abstract>PURPOSE:To reduce the area of a void part between respective picture elements on a large- sized screen surface and to realize excellent observation where the granularity of a projected picture is reduced by constituting the enlarged picture of the respective picture elements by a microlens group and projecting the enlarged picture of the respective picture elements by a projection optical system. CONSTITUTION:The microlens group 5 is arranged between the projection optical system 4 and a display part 3, and forms the enlarged virtual image of the respective picture elements on a display part 3 on a light source 1 side. The projection optical system 4 projects the enlarged virtual image by the microlens group 5 on the display part 3, which is displayed based on the optical modulation of liquid crystal, on the screen 6 surface. For example, when the magnification of the enlarged virtual image by the microlens group 5 is set so that the void part between the respective picture elements may not exist apparently, the projected picture on the screen 6 surface becomes the perfectly continuous picture. In the case the magnification is smaller than the set one, the slight void part is left on the projected picture on the screen 6 surface; and in the case the magnification is larger than it, the projected picture on the screen 6 surface is in,a state where the respective picture elements are partially overlapped; but the granularity of the projected picture on the screen 6 surface is reduced in any case.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
| recordid | cdi_epo_espacenet_JPH0850285A |
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| subjects | ADVERTISING CRYPTOGRAPHY 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 DISPLAY DISPLAYING EDUCATION FREQUENCY-CHANGING LABELS OR NAME-PLATES NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS SEALS SIGNS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF |
| title | PROJECTION DEVICE |
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