19 Projection Television SANKALP and SHABBIR

8/12/2019 19 Projection Television SANKALP and SHABBIR

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A TECHNICAL PAPER ON:

PROJECTION TELEVISION

(DIGITAL SIGNAL PROCESSING)

SUBMITTED BY:

] 1) M.SANKALP

Cell no: 9966006323

E!"l "#: mandapati.sankalp@mail.!"m

#) S.SHA$$IR ALI

Cell no: 99$9%&9&'&

E!"l "#: S%ank&amat'(*#++,@'di--mail.!"m 3# ECE

ATES INSTIT/TE O0 TECHNOLO

OOT 2ANANTAP/R 3IST)

Con*en*+:%) Creating Projection TV

2) Po,e-*o+

T!n+"**".e Po,e-*o+ Re/le-*".e Po,e-*o+

3) THE NEW TECHNOLOGIES OF MEM’S

3iital Mi!"mi" 3'4i!'s 23M3)

$) Liquid Cryta! on Si!icon

') Con-l+"on



Abstract:-

T1e !l"-!*"on+ o/ *1e o#en *e-1nolo"e+ !e e.ol."n !* ! .e4

/!+* !*e DSP (D""*!l S"n!l Po-e++"n) /"n#+ ! .!+* !e! o/

!l"-!*"on+ "n *1e /"el#+ o/ 5o*1 -on"-!*"on+ !n# *e-1nolo"e+

*1!* *en# *o "+e !n# 5"l# oe +o1"+*"-!*e# "n+*en*+ !n#

e"en* T1e !*"-le "n*o#-e# 1ee #e+-"5e+ *1e o#en

!l"-!*"on o/ DSP Po,e-*"on Tele."+"on 1ee ".e+ *1e /"ne+*#e*!"l+ o/ "-*e o-e++"n 7"*1 o#en -on"-!*"on

!l"-!*"on+ *1!* *en#+ *o /"n# l!-e "n *1e +o -!lle# +o1"+*"-!*"on

e"en*



T1e l!*e+* *en#+ !n# !l"-!*"on+ e-en*l4 e.ol."n "n *1e DSP *e-1nolo4 "+ Po,e-*"on

Tele."+"on Po,e-*"on T8 -ol# ".e 4o *1e +"e *1!* 4o 7!n* CRT +-een+ ene!ll4

*o o* !* $0; (%0% -) o +o< !n# !* *1!* +"e< *1e4 !e 1e !n# 1e!.4 Pl!+! +-een+-!n 5e 5"e *1!n *1!* !n# +*"ll !n!e!5le< 5* *1e4 -!n 5e e=*eel4 e=en+".e

Po,e-*"on T8 *e-1nolo4 -!n -e!*e l!e +-een +"e+ !* ! e!+on!5le "-e

O !45e 4o nee# *o e" ! oo< l">e ! -l!++oo o -on/een-e oo< /o l*"e#"!

e+en*!*"on+ 7"*1 ! l!e !#"en-e A o,e-*"on T8 ".e+ 4o ! lo* o/ /le="5"l"*4 !n# "++!ll4 -1 5e**e *1!n *1e +*!n#!# -o5"n!*"on o/ ! 3' +l"#e o,e-*o< o.e1e!#

o,e-*o !n# T8?8CR

Po,e-*"on .+ Con.en*"on!l T8A -on.en*"on!l T8 +e+ ! #e."-e -!lle# ! -!*1o#e !4 *5e (CRT) *o #"+l!4 "*+ "!e

T1e ne!*".el4-1!e# -!*1o#e !>e+ ! 5e! o/ ele-*on+ *1!* "+ #!7n *o7!# *1e+-een 54 *1e o+"*".el4 -1!e# !no#e T1e 5e! +*">e+ !* *1e /on* o/ *1e CRT< 71"-1

"+ -o!*e# 7"*1 +e-"!l -1e"-!l+ -!lle# 1o+1o+ @1en *1e 5e! +*">e+ *1e 1o+1o< "*

l"1*+ *1!* !e! o/ *1e *5e (! "=el) o ! -olo T8< *1ee !e *1ee ele-*on 5e!+ !n#

*1ee *4e+ o/ 1o+1o+ on *1e *5e /o e!-1 "=el e#< 5le !n# een 71"-1< 71ene=-"*e#< -!n !>e !n4 -olo T1e ele-*on 5e! o.e+ !lon *1e *5e< e"*1e 1o"on*!ll4

o .e*"-!ll4< +"n !ne*"- -o"l+ !lon+"#e *1e *5e

Be-!+e *1e CRT "+ !#e o/ l!++< *1ee !e l""*+ *o "*+ !=" +"e To#!4+ CRTT8+ +!ll4 e!+e le++ *1!n $0 "n-1e+ (%0% -) #"!on!ll4 T1"+ +"e "+ no* !-*"-!l

/o ! 1oe *1e!*e o l!e !#"*o"

In -on*!+* *o -on.en*"on!l T8+< o,e-*"on T8+ /o ! +!ll "!e on ! #e."-e "n+"#e

*1e o,e-*o e"*1e ! CRT o LCD !n# *1en +1"ne *1!* "!e on*o ! l!e +-eenlo-!*e# el+e71ee In one *4e o/ o,e-*"on T8< *1e +-een "+ lo-!*e# 7"*1"n *1e T8 5o=

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"*+el/ T1"+ *4e o/ o,e-*"on T8 "+ -!lle# ! e! o e/le-*".e o,e-*"on In *1"+ *4e<

l"1* e/le-*+ o// *1e o,e-*"on #"+l!4 !nel !n# "+ *1en o,e-*e# on*o *1e +-een

In !no*1e *4e o/ o,e-*"on T8< *1e +-een "+ lo-!*e# !-o++ *1e oo In *1"+ *4e o/ o,e-*"on T8< -!lle# ! /on* o *!n+"++".e o,e-*"on< l"1* !++e+ *1o1 *1e "!e

/o"n #"+l!4 !nel !n# "+ *1en o,e-*e# on*o ! +-een

@ORING O PROECTION TELE8ISION:

Ce!*"n Po,e-*"on T8A o,e-*"on T8 1!+ /o 5!+"- !*+:

• Po,e-*o

• S-een +e!!*e o 5"l*"n

• Con*ol !nel +e!!*e o 5"l*"n

• Son# +4+*e +e!!*e o 5"l*"n

T1e !!neen* o/ *1e+e !*+ .!"e+ 7"*1 *1e #"//een* *4e+ o/ o,e-*"on T8 Mo+* rear

"rojection TV #or $o%e t$eater yte% tend to !oo& !i&e 'ery !arge(creen con'entiona!te!e'iion) Eac$ one i *aica!!y a !arge *o+ t$at contain a!! o# t$e a*o'e "art) ,ear"rojection TV #or con#erence roo% can $a'e a e"arate "rojection roo% *e$ind t$ecreen)

In -on*!+*< /on* o,e-*"on T8+ !e +e!# o* T1e o,e-*o "+ !* one en# o/ *1e oo<*1e +-een "+ !* *1e o*1e en#< *1e -on*ol !nel !4 5e "n *1e "##le #e."-e +-1 !+ !

l!*o #e."-e !n# *1e +e!>e+ !4 5e lo-!*e# "n #"//een* !*+ o/ *1e oo

E!-1 o/ *1e+e -oonen*+ 7"ll 5e e=!"ne# "n #e*!"l "n *1e /ollo7"n +e-*"on+

Po,e-*o+T1e o,e-*o "+ *1e 1e!* o/ *1e o,e-*"on T8 +4+*e *1"+ "+ 71ee *1e *e-1nolo"-!l!#.!n-een*+ 1!.e -en*ee# T1e o,e-*o+ +e# "n *1e+e +4+*e+ el4 on *7o ene!l

!o!-1e+:

• T!n+"**".e o,e-*o+ S1"ne l"1* *1o1 *1e "!e/o"n eleen* (CRT

*5e< LCD !nel)

• Re/le-*".e o,e-*o+ Bon-e l"1* o// *1e "!e/o"n eleen*

In 5o*1 *4e+ o/ o,e-*o+< ! len+ -olle-*+ *1e "!e /o *1e "!e/o"n eleen*<

!n"/"e+ *1e "!e !n# /o-+e+ "* on*o ! +-een Al+o< "* "+ "o*!n* no* *o -on/+ee/le-*".e o,e-*o+ 7"*1 e! o,e-*"on T1e *e+ ;*!n+"**".e; !n# ;e/le-*".e; e/e

*o *1e o"toe!ectronic inide t$e "rojector- not to $o. t$e "rojector i arranged .it$in t$e"rojection TV yte%)

Soe o/ *1e o+* oe++".e *e-1nolo"e+ +e *1e e/le-*".e !o!-1< 5* *1e

*!n+"**".e !o!-1 1!+ 5een !on# lone !n# !e!+ "n !n4 o/ *1e +!ll o*!5le

o,e-*o+ on *1e !>e* *o#!4 @ell loo> !* *!n+"**".e *e-1nolo"e+ 1ee !n# *1en loo>"n #e*1 !* +e.e!l #"//een* e/le-*".e *e-1nolo"e+



T!n+"**".e Po,e-*o+T!n+"**".e o,e-*o+ +e *7o 5!+"- "!e /o"n eleen*+:

• CRT+

• LCD+

Bo*1 *4e+ !e #"+-++e# 5elo7

CRTL">e -on.en*"on!l T8+< +oe o,e-*o+ 1!.e +!lle CRT *5e+ 5"l* "n*o *1e T1e+e

*5e+ !e +!ll (e1!+ 9"n-1 #"!on!l)< e=en+".e !n# e=*eel4 5"1* In *1e 5!+"-l!4o*< 4o 1!.e one o oe CRT *5e+ *1!* /o *1e "!e+ A len+ "n /on* o/ *1e CRT

!n"/"e+ *1e "!e !n# o,e-*+ "* on*o *1e +-een T1ee !e *1ee CRT -on/"!*"on+

+e# "n CRT o,e-*o+:

• One -olo CRT *5e (e#< 5le< een 1o+1o+) #"+l!4+ !n "!e 7"*1 one

o,e-*"on len+• One 5l!->!n#71"*e CRT 7"*1 ! !"#l4 o*!*"n -olo /"l*e 71eel (e#< een<

5le /"l*e+) "+ l!-e# 5e*7een *1e CRT *5e !n# *1e o,e-*"on len+ T1e !"#

+--e++"on o/ -olo "!e+ o,e-*e# on*o *1e +-een /o+ !n !!en*l4 +"nle-olo "!e (*1e "!e+ !e o,e-*e# *oo "->l4 /o 4o 5!"n *o #"+*"n"+1

5e*7een *1e)

• T1ee CRT *5e+ (e#< een< 5le) 7"*1 *1ee len+e+ o,e-* *1e "!e+ T1e

len+e+ !e !l"ne# +o *1!* ! +"nle -olo "!e !e!+ on *1e +-een

One o/ *1e o5le+ 7"*1 CRT o,e-*o+ "+ *1!*< 7"*1 !n471ee /o one *o *1ee *5e+

!n# !--o!n4"n len+e+ !n#?o ! /"l*e 71eel 5"l* "n< *1e o,e-*o+ -!n 5e "*e 1e!.4

!n# l!e Al+o< CRT #e."-e+ #o no* 1!.e *1e /"ne e+ol*"on *1!* LCD #e."-e+ #o<e+e-"!ll4 71en o,e-*e#

LCDTo !>e o,e-*o+ l"1*e !n# "n-e!+e *1e" e+ol*"on< ne7e LCD *e-1nolo"e+ 1!.e 5een #e.eloe# T!n+"**e# LCD o,e-*o+ +e ! 5"1* l"1* *o "ll"n!*e *1e LCD

!nel< !n# ! len+ o,e-*+ *1e "!e /oe# 54 *1e LCD on*o ! +-een T1ee "+ no* !

1e #"//een-e 5e*7een *1e LCD !nel+ +e# "n o,e-*o+ !n# *1o+e /on# "n +oe*1"nl">e ! PDA< e=-e* *1!* *1e LCD "+ +!lle !n# 5!->l"* 54 ! .e4 5"1* 1!loen l!

T1e LCD !-*+ .e4 -1 l">e ! -olo +l"#e "n ! +l"#e o,e-*o T1e !#.!n*!e o/ *1"+

!o!-1 "+ *1!* *1e o,e-*o -!n 5e .e4 +!ll

T1e o+* e=-"*"n !#.!n-e+ "n o,e-*o *e-1nolo4 -!n 5e /on# "n e/le-*".e o,e-*o+

Re/le-*".e Po,e-*o+In e/le-*".e o,e-*o+< *1e "!e "+ /oe# on ! +!ll< e/le-*".e -1" @1en l"1* +1"ne+

on *1e -1"< *1e "!e "+ e/le-*e# o// "* !n# *1o1 ! o,e-*"on len+ *o *1e +-een



P1o*o -o*e+4 Te=!+ In+*en*+

MEMS o,e-*o +"n *1ee DMD -1"+

Re-en* "nno.!*"on+ "n e/le-*".e *e-1nolo4 1!.e 5een "n *1e *1e /ollo7"n !e!+:

• M"-oele-*oe-1!n"-!l +4+*e+ (MEMS)

D""*!l "-o"o #e."-e (DMD< DLP)

G!*"n l"1* .!l.e (GL8)

• L""# -4+*!l on +"l"-on (LCOS)

TE NE@ TECNOLOGIES O MEMFS/(Microe!ectro%ec$anica! Syte%

MEMS $a'e a %o'a*!e or de#or%a*!e re#!ecti'e ur#ace on to" o# a e%iconductor c$i")

T$e c$i" generate 'o!tage in re"one to digita! in#or%ation) T$e 'o!tage c$ange t$e$a"e o# t$e re#!ecti'e ur#ace ra"id!y and in a contro!!ed .ay to "roduce t$e i%age t$at .aencoded *y t$e digita! in#or%ation) T$e "rojected !ig$t *ounce o## t$e re#!ecti'e ur#ace andget co!!ected *y t$e "rojector !en)

D""*!l M"-o"o De."-e+ (DMD)

DMD+< !l+o -!lle# #""*!l l"1* o-e++"n (DLP)< 7ee #e.eloe# 54 Te=!+ In+*en*+

T1e DMD "+ ! -1" *1!* 1!+ !n471ee /o 00 *o oe *1!n % "ll"on *"n4 "o+ on "*<

#een#"n on *1e +"e o/ *1e !!4

E!-1 "o e+*+ on +o* 1"ne+ !n# ele-*o#e+

D""*!l M"-o"o De."-e+T1e 0M0 i a c$i" t$at $a any.$ere #ro% 122 to %ore t$an 3 %i!!ion tiny %irror on it-de"ending on t$e i4e o# t$e array) Eac$ 35(6%7 %irror 86% 9 %i!!iont$ o# a %eter: on a 0M0conit o# t$ree "$yica! !ayer and t.o ;airga"; !ayer) T$e airga" !ayer e"arate t$et$ree "$yica! !ayer and a!!o. t$e %irror to ti!t <32 or (32 degree)

P1o*o -o*e+4 Te=!+ In+*en*+M"-o!1"- 1o*o o/ !n* le on *1e DMD +/!-e: E!-1 "o "+ %6 H2< 7"*1 %

H +e!!*"on 5e*7een "=el+

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P1o*o -o*e+4 Te=!+ In+*en*+E=lo#e# ."e7 o/ !n "n#"."#!l "o on ! DMD

@1en ! .ol*!e "+ !l"e# *o e"*1e o/ *1e !##e++ ele-*o#e+< *1e "o+ -!n *"l* %0#eee+ o %0 #eee+< ee+en*"n ;on; o ;o//; "n ! #""*!l +"n!l

T1e 5lo7 o/ *7o "o+ on *1e ##<one JonF !n# oneo//

In ! o,e-*o< l"1* +1"ne+ on *1e DMD L"1* 1"**"n *1e ;on; "o 7"ll e/le-* *1o1

*1e o,e-*"on len+ *o *1e +-een L"1* 1"**"n *1e ;o//; "o 7"ll e/le-* *o ! l"1*

!5+o5e E!-1 "o "+ "n#"."#!ll4 -on*olle# !n# "+ *o*!ll4 "n#een#en* o/ !ll *1e o*1e"o+





In-o"n l"1* 1"*+ *1e *1ee "o "=el+ T1e *7o o*e "o+ (;on;) e/le-* *1e

l"1* *1o1 *1e o,e-*"on len+ !n# on*o *1e +-een< o#-"n +!e< 71"*e "=el

"!e+ T1e -en*!l "o "+ *"l*e# (;o//;) !n# e/le-*+ l"1* !7!4 /o *1e

o,e-*"on len+ *o ! l"1* !5+o5e no l"1* e!-1e+ *1e +-een !* *1!* !*"-l! "=el< +o ! +!e< #!> "=el "!e "+ o#-e# In *1e +!e 7!4< *1e e!"n"n

"o "=el+ e/le-* l"1* e"*1e *o *1e +-een o !7!4 /o "*

E!-1 /!e o/ ! o."e "+ +e!!*e# "n*o "*+ e#< 5le< !n# een -oonen*+ !n# #""*"e#"n*o %<3%0<000 +!le+ /o e!-1 -olo E!-1 "o "n *1e +4+*e "+ -on*olle# 54 one o/*1e+e +!le+ B4 +"n ! -olo /"l*e 71eel 5e*7een *1e l"1* !n# *1e DMD< !n# 54

.!4"n *1e !on* o/ *"e e!-1 "n#"."#!l DMD "o "=el "+ on< ! /ll-olo< #""*!l

"-*e "+ o,e-*e# on*o *1e +-een



@1"*e l"1* "+ /o-e# #o7n on*o ! -olo 71eel /"l*e T1"+ 71eel +"n+

"n +een-e 7"*1 *1e e#< een !n# 5le ."#eo +"n!l+ 5e"n +en* *o

*1e DMD M"o+ !e *ne# ;on; #een#"n on 71ee !n# 1o7 -1o/ e!-1 -olo "+ nee#e# /o e!-1 T8 /"el# T1e 1!n ."+!l +4+*e

"n*e!*e+ *1e +een*"!l -olo !n# +ee+ ! /ll-olo "!e

Be-!+e *1e "-o"o+ !e onl4 % H !!*< !n "!e *!>e+ ! l!e e-en*!e (9

e-en*) o/ +!-e on *1e DMD -1"+ e/le-*".e +/!-e< !+ -o!e# *o ! *4"-!l LCD (%2*o '0 e-en*) T1"+ e#-e+ *1e "="l!*"on o/ *1e "!e

Clo+e 1o*o o/ *1e !o*+ e4e o,e-*e# *1o1 (A) !

*1ee!nel ol4+"l"-on 8GA e+ol*"on LCD o,e-*o !n#(B) ! one-1" 8GA e+ol*"on DMD o,e-*o Bo*1 *1e

LCD !n# DMD 1o*o+ 7ee *!>en n#e *1e +!e

-on#"*"on+< 7"*1 e!-1 o,e-*o o*""e# /o /o-+< 5"1*ne++ !n# -olo

LV T'!%n"l"&5

G!*"n L"1* 8!l.e+Ano*1e MEM #e."-e "+ *1e grating !ig$t 'a!'e 8GLV:) GLV tec$no!ogy- !icened to Sony-

.a de'e!o"ed *y Pro#eor 0a'id =!oo% at Stan#ord >ni'erity- and i no. "roduced *y

Si!icon Lig$t Mac$ine in Sunny'a!e- Ca!i#ornia)

T1e GL8 -1" -on+"+*+ o/ *"n4 e/le-*".e "55on+ on*e# o.e ! +"l"-on -1" T1e

"55on+ !e ++en#e# o.e *1e -1" 7"*1 ! +!ll !"! "n 5e*7een @1en ! .ol*!e "+

!l"e# *o *1e -1" 5elo7 ! "55on< *1e "55on o.e+ *o7!# *1e -1" 54 ! /!-*"on o/ *1e7!.elen*1 o/ *1e "ll"n!*"n l"1* T1e #e/oe# "55on+ /o ! #"//!-*"on !*"n<

!n# *1e .!"o+ o#e+ o/ l"1* -!n 5e -o5"ne# *o /o *1e "=el o/ !n "!e T1e +1!e

o/ *1e "55on+< !n# *1ee/oe *1e "!e "n/o!*"on< -!n 5e -1!ne# "n !+ l"**le !+ 20 5"ll"on*1+ o/ ! +e-on#

D"!! o/ ! +"nle !*"n l"1*

.!l.e "=el on ! GL8 -1"



To !>e ! o,e-*o< *1e GL8 "=el+ !e !!ne# "n ! .e*"-!l l"ne *1!* "+ %<00 "=el+

lon L"1* /o *1ee l!+e+< one e#< one een !n# one 5le< +1"ne+ on *1e GL8 !n# "+

!"#l4 +-!nne# !-o++ *1e #"+l!4 +-een !* 60 /!e+ e +e-on# *o /o *1e "!e

D"!! +1o7"n *1e +-!nne# !-1"*e-*e o/ GL8 *e-1nolo4: A+ *1e+-!n o.e+ 1o"on*!ll4< *1e GL8 "=el+ -1!ne *o ee+en* -oln+

o/ ."#eo #!*!< *1ee54 /o"n one *7o#"en+"on!l "!e e +-!n

T1e +-!nn"n !*e "+ 60 /!e+ e +e-on#

A !,o !#.!n*!e o/ GL8 *e-1nolo4 "+ *1!* GL8 -1"+ -!n !>e 1"1e+ol*"on"!e+ !* ! el!*".el4 lo7 -o+* o e=!le< 5e-!+e ! %<920=%<00 "=el "!e -!n 5e

!-1"e.e# 54 +-!nn"n ! %<00"=el l"ne! !!4< ! GL8 -1" -!n 5e !n/!-*e# *o

!-1"e.e *1"+ e+ol*"on 7"*1 onl4 %<00 "=el+< "n+*e!# o/ *1e 2 "ll"on nee#e# /o o*1e

*e-1nolo4< +-1 !+ DMD Al+o< 5e-!+e *1e "55on+ !e !l"ne# .e*"-!ll4< *1ee !e no1o"on*!l !+ "n *1e "!e *1ee "+ ! .e4 1"1 /"ll +!-e on *1e -1"

In !##"*"on *o MEMS< ! +e-"!l l""# -4+*!l *e-1nolo4 1!+ 5een #e.eloe# /o

e/le-*".e o,e-*o+ See *1e ne=* +e-*"on /o #e*!"l+

L""# C4+*!l on S"l"-onLCOS i a re!ati'e!y ne. LC0 tec$no!ogy) In contrat to ne%atic t.ited LC0’- in .$ic$ t$e

cryta! and e!ectrode are and.ic$ed *et.een "o!ari4ed g!a "!ate- LCOS de'ice $a'et$e cryta! coated o'er t$e ur#ace o# a i!icon c$i") T$e e!ectronic circuit t$at dri'e t$e#or%ation o# t$e i%age are etc$ed into t$e c$i"- .$ic$ i coated .it$ a re#!ecti'e 8a!u%ini4ed:

ur#ace) T$e "o!ari4er are !ocated in t$e !ig$t "at$ *ot$ *e#ore and a#ter t$e !ig$t *ounceo## t$e c$i") T$e ad'antage o# t$i etu" are/

• T1e LCOS #e."-e+ !e e!+"e *o !n/!-*e *1!n -on.en*"on!l LCD #"+l!4+

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19 Projection Television SANKALP and SHABBIR

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Transcript of 19 Projection Television SANKALP and SHABBIR