ACTIVE MATRIX PIXEL DRIVING CIRCUIT
PROBLEM TO BE SOLVED: To provide a pixel driving circuit using a transistor without necessitating a large area semiconductor region and attaining a high production efficiency. SOLUTION: This circuit is provided with a switching device T1 transferring a voltage from an input to an output at an on tim...
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| creator | GRINBERG JAN |
| description | PROBLEM TO BE SOLVED: To provide a pixel driving circuit using a transistor without necessitating a large area semiconductor region and attaining a high production efficiency. SOLUTION: This circuit is provided with a switching device T1 transferring a voltage from an input to an output at an on time, the transistor T2 controlled by its output voltage and modulating an AC current in current circuit terminals 40, 43, a light modulation element 44 modulating light according to this modulated AC current and providing impedance serial to the transistor T2 when the AC current flows in the first direction and capacitance Ca imparting the impedance nearly equal to the impedance of the light modulation element 44 and connected serially to the transistor T2 while the AC current flows in the second direction, and these impedance form a symmetric follower circuit having the transistor T2, and keep the voltage applied to the transistor T2 substantially constant when the switching device is turned off. |
| format | Patent |
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SOLUTION: This circuit is provided with a switching device T1 transferring a voltage from an input to an output at an on time, the transistor T2 controlled by its output voltage and modulating an AC current in current circuit terminals 40, 43, a light modulation element 44 modulating light according to this modulated AC current and providing impedance serial to the transistor T2 when the AC current flows in the first direction and capacitance Ca imparting the impedance nearly equal to the impedance of the light modulation element 44 and connected serially to the transistor T2 while the AC current flows in the second direction, and these impedance form a symmetric follower circuit having the transistor T2, and keep the voltage applied to the transistor T2 substantially constant when the switching device is turned off.</description><edition>6</edition><language>eng</language><subject>ADVERTISING ; ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION ; 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 ; EDUCATION ; FREQUENCY-CHANGING ; NON-LINEAR OPTICS ; OPTICAL ANALOGUE/DIGITAL CONVERTERS ; OPTICAL LOGIC ELEMENTS ; OPTICS ; PHYSICS ; SEALS ; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF</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=19980506&DB=EPODOC&CC=JP&NR=H10115818A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19980506&DB=EPODOC&CC=JP&NR=H10115818A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GRINBERG JAN</creatorcontrib><title>ACTIVE MATRIX PIXEL DRIVING CIRCUIT</title><description>PROBLEM TO BE SOLVED: To provide a pixel driving circuit using a transistor without necessitating a large area semiconductor region and attaining a high production efficiency. 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SOLUTION: This circuit is provided with a switching device T1 transferring a voltage from an input to an output at an on time, the transistor T2 controlled by its output voltage and modulating an AC current in current circuit terminals 40, 43, a light modulation element 44 modulating light according to this modulated AC current and providing impedance serial to the transistor T2 when the AC current flows in the first direction and capacitance Ca imparting the impedance nearly equal to the impedance of the light modulation element 44 and connected serially to the transistor T2 while the AC current flows in the second direction, and these impedance form a symmetric follower circuit having the transistor T2, and keep the voltage applied to the transistor T2 substantially constant when the switching device is turned off.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | ADVERTISING ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION 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 EDUCATION FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS SEALS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF |
| title | ACTIVE MATRIX PIXEL DRIVING CIRCUIT |
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