Stereo projection using polarized solid state light sources
US007891816B2
(12) Ulllted States Patent
(10) Patent N0.:
Silverstein et a].
(45) Date of Patent:
(54)
STEREO PROJECTION USING POLARIZED SOLID STATE LIGHT SOURCES
5,808,795 A 5,907,437 A
(75)
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7/1999 Doanyet a1. ................ .. 353/31
11/1999 Moseley et a1. .............. .. 353/8
James l1I Kircher’ Mendons
Iwamura et al.
(US); Robert Metzgers FairpOrt’ NY
6,240,116 B1
(US)
6,280,034 B1 *
8/2001
6,594,090 B2 6,747,781 B2 *
7/2003 Kruschwitz et a1. 6/2004 Trisnadi ................... .. 359/279
Assigneei Eastman Kodak Company’ Rochester, NY (U S) .
.
( * ) Not1ce:
Feb. 22, 2011
9/ 1998 Shimomura et a1. 5/1999 Sprotbery et a1. *
(Us); Joseph R- Bietry’ Rochester’ NY
(73)
US 7,891,816 B2
.
.
.
Subject to any disclaimer, the term ofthis
BrennesholtZ ............. .. 353/20
6,768,585 B2 *
7/2004 Agostinelli et a1. ....... .. 359/466
6,793,341
9/2004
B2
7 325 939 B2
patent is extended or adjusted under 35
5/2001 Lang et al.
’
’
200%
S
dal
t
l.
et a1
1 Son 6 a‘
U.S.C. 154(b) by 557 days.
(21) Appl. N0.: 12/036,385 (22) Filed:
(C ont.1nued)
Feb‘ 25’ 2008 _
Primary ExamineriGeorgia Y Epps _
_
(65)
Pnor Pubhcatlon Data US 2009/0213330 A1 Aug. 27, 2009
(51)
Int. Cl. G03B 21/00
(2006.01)
G03B 21/14 G02B 27/26
(2006.01) (2006.01)
Assistant Examinerilori S Reilly-Diakun
(74) Attorney, Agent, or FirmiPeyton C. Watkins
(57)
ABSTRACT
A stereoscopic digital image projector includes (a) a plurality of light modulation assemblies, each comprising: (i) at least
H04N 13/04 (2006.01) H04N 9/4 7 (2006.01) (52) US. Cl. ............... .. 353/8; 353/7; 353/20; 359/465; 348/51; 348/57; 348/58
one solid-state light source energiZable to provide illumina tion having a ?rst polariZation axis; (ii) a polarization rotator diSPOSed in the path Of the polarized illumination from the solid-state light source(s) and actuable to controllably rotate
(58)
Field of Classi?cation Search ............... .. 353/748,
the Polarization axis from the Solid-State light Source(S) to 21
353/10, 20, 30231’ 81, 85, 122; 359/1, 15, 359/27228’ 458, 462, 4642467; 348/42,
second polariZed axis; (iii) a micro-electromechanical spatial light modulator in the path of the polarized illumination and
348/51, 54255’ 57258’ 60; 349/829’ 15 See application ?le for Complete Search history
energiZable to modulate the polariZed illumination to form a ?rst modulated light from illumination of the ?rst polariza
_
(56)
References Clted U.S. PATENT DOCUMENTS 4,441,791 A 5,535,047 A 5,564,810 A *
5,600,383 A
4/1984 Hornbeck 7/1996 Hornbeck 10/1996
tion state and to form a second modulated light from illumi
nation of the second polariZation state; and (b) a synchroniz ing means to temporally control the polariZation rotation to match the appropriate image data on the spatial light modu
lator; and (c) projection optics for directing the ?rst and second modulated light toWard a display surface.
Larson ........................ .. 353/8
2/1997 Hornbeck
25 Claims, 24 Drawing Sheets
US 7,891,816 B2 Page 2 US. PATENT DOCUMENTS 7,360,899 B2
4/2008 McGuire er 91-
2007/0139769 Al*
6/2007 DeCusatis et a1. ......... .. 359/478
2009/0096990 A1*
4/2009 Chien et a1.
2009/0153752 Al*
6/2009
Silverstein ................ .. 348/750 Ellinger et a1. ............... .. 353/7
353/8
7419265 132*
9/2008 Relke eta1~ ------------------ -- 353/7
2009/0190095 Al*
7/2009
7,422,329 B2
9/2008 Berman
2009/0213330 Al*
8/2009 Silverstein et a1
7,764,724 B2*
7/2010
2009/0231697 A1*
9/2009
11/2009
Peterson ................... .. 372/108
NlarcuS et a1‘
2004/0239880 A1*
12/2004 Kapellner er a1- -
2009/0278918 Al*
2005/0219469 A1
10/2005 Chan eta1~
2009/0284713 Al* 11/2009 Silverstein etal
2006/0038964 A1 2006/0291053 A1
2/2006 Lu etal12/2006 Robinson eta1~
2010/0007852 Al* 2010/0103519 Al*
2007/0127121 A1
6/2007 Maximus et a1.
2007/0132953 A1
6/2007 Silverstein
* cited by examiner
353/8
____________ u 359/465
Marcus etal. .............. .. 348/54
353/8
1/2010 Bietry et a1. ................. .. 353/8 4/2010 Silverstein et a1. ........ .. 359/487
US. Patent
Feb. 22, 2011
Sheet 1 0124
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US 7,891,816 B2
US. Patent
Feb. 22, 2011
Sheet 2 0124
US 7,891,816 B2
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US. Patent
Feb. 22, 2011
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Feb. 22, 2011
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Feb. 22, 2011
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US 7,891,816 B2
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US. Patent
Feb. 22, 2011
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Feb. 22, 2011
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Feb. 22, 2011
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Feb. 22, 2011
Sheet 17 0124
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Feb. 22, 2011
Sheet 18 0124
US 7,891,816 B2
.GEm“
(12) Ulllted States Patent
(10) Patent N0.:
Silverstein et a].
(45) Date of Patent:
(54)
STEREO PROJECTION USING POLARIZED SOLID STATE LIGHT SOURCES
5,808,795 A 5,907,437 A
(75)
I
5,921,650 A *
t
nven ors:
B
arry
D S1 .
t _
1 vers em,
R
h
t
oc es er,
NY
5,993,004 A
7/1999 Doanyet a1. ................ .. 353/31
11/1999 Moseley et a1. .............. .. 353/8
James l1I Kircher’ Mendons
Iwamura et al.
(US); Robert Metzgers FairpOrt’ NY
6,240,116 B1
(US)
6,280,034 B1 *
8/2001
6,594,090 B2 6,747,781 B2 *
7/2003 Kruschwitz et a1. 6/2004 Trisnadi ................... .. 359/279
Assigneei Eastman Kodak Company’ Rochester, NY (U S) .
.
( * ) Not1ce:
Feb. 22, 2011
9/ 1998 Shimomura et a1. 5/1999 Sprotbery et a1. *
(Us); Joseph R- Bietry’ Rochester’ NY
(73)
US 7,891,816 B2
.
.
.
Subject to any disclaimer, the term ofthis
BrennesholtZ ............. .. 353/20
6,768,585 B2 *
7/2004 Agostinelli et a1. ....... .. 359/466
6,793,341
9/2004
B2
7 325 939 B2
patent is extended or adjusted under 35
5/2001 Lang et al.
’
’
200%
S
dal
t
l.
et a1
1 Son 6 a‘
U.S.C. 154(b) by 557 days.
(21) Appl. N0.: 12/036,385 (22) Filed:
(C ont.1nued)
Feb‘ 25’ 2008 _
Primary ExamineriGeorgia Y Epps _
_
(65)
Pnor Pubhcatlon Data US 2009/0213330 A1 Aug. 27, 2009
(51)
Int. Cl. G03B 21/00
(2006.01)
G03B 21/14 G02B 27/26
(2006.01) (2006.01)
Assistant Examinerilori S Reilly-Diakun
(74) Attorney, Agent, or FirmiPeyton C. Watkins
(57)
ABSTRACT
A stereoscopic digital image projector includes (a) a plurality of light modulation assemblies, each comprising: (i) at least
H04N 13/04 (2006.01) H04N 9/4 7 (2006.01) (52) US. Cl. ............... .. 353/8; 353/7; 353/20; 359/465; 348/51; 348/57; 348/58
one solid-state light source energiZable to provide illumina tion having a ?rst polariZation axis; (ii) a polarization rotator diSPOSed in the path Of the polarized illumination from the solid-state light source(s) and actuable to controllably rotate
(58)
Field of Classi?cation Search ............... .. 353/748,
the Polarization axis from the Solid-State light Source(S) to 21
353/10, 20, 30231’ 81, 85, 122; 359/1, 15, 359/27228’ 458, 462, 4642467; 348/42,
second polariZed axis; (iii) a micro-electromechanical spatial light modulator in the path of the polarized illumination and
348/51, 54255’ 57258’ 60; 349/829’ 15 See application ?le for Complete Search history
energiZable to modulate the polariZed illumination to form a ?rst modulated light from illumination of the ?rst polariza
_
(56)
References Clted U.S. PATENT DOCUMENTS 4,441,791 A 5,535,047 A 5,564,810 A *
5,600,383 A
4/1984 Hornbeck 7/1996 Hornbeck 10/1996
tion state and to form a second modulated light from illumi
nation of the second polariZation state; and (b) a synchroniz ing means to temporally control the polariZation rotation to match the appropriate image data on the spatial light modu
lator; and (c) projection optics for directing the ?rst and second modulated light toWard a display surface.
Larson ........................ .. 353/8
2/1997 Hornbeck
25 Claims, 24 Drawing Sheets
US 7,891,816 B2 Page 2 US. PATENT DOCUMENTS 7,360,899 B2
4/2008 McGuire er 91-
2007/0139769 Al*
6/2007 DeCusatis et a1. ......... .. 359/478
2009/0096990 A1*
4/2009 Chien et a1.
2009/0153752 Al*
6/2009
Silverstein ................ .. 348/750 Ellinger et a1. ............... .. 353/7
353/8
7419265 132*
9/2008 Relke eta1~ ------------------ -- 353/7
2009/0190095 Al*
7/2009
7,422,329 B2
9/2008 Berman
2009/0213330 Al*
8/2009 Silverstein et a1
7,764,724 B2*
7/2010
2009/0231697 A1*
9/2009
11/2009
Peterson ................... .. 372/108
NlarcuS et a1‘
2004/0239880 A1*
12/2004 Kapellner er a1- -
2009/0278918 Al*
2005/0219469 A1
10/2005 Chan eta1~
2009/0284713 Al* 11/2009 Silverstein etal
2006/0038964 A1 2006/0291053 A1
2/2006 Lu etal12/2006 Robinson eta1~
2010/0007852 Al* 2010/0103519 Al*
2007/0127121 A1
6/2007 Maximus et a1.
2007/0132953 A1
6/2007 Silverstein
* cited by examiner
353/8
____________ u 359/465
Marcus etal. .............. .. 348/54
353/8
1/2010 Bietry et a1. ................. .. 353/8 4/2010 Silverstein et a1. ........ .. 359/487
US. Patent
Feb. 22, 2011
Sheet 1 0124
-----___-_AF
US 7,891,816 B2
US. Patent
Feb. 22, 2011
Sheet 2 0124
US 7,891,816 B2
85:2 EQmhEgOm E3Q8q NH
.UEN
US. Patent
Feb. 22, 2011
Sheet 3 0f 24
US 7,891,816 B2
6Emm
Wm.
Ev
3
can.UE
US. Patent
Feb. 22, 2011
Sheet 4 0f 24
US 7,891,816 B2
7.
J? w“.8%Emm \
mow
new
US. Patent
Feb. 22, 2011
Sheet 5 0f 24
US 7,891,816 B2
cm
US. Patent
Feb. 22, 2011
Sheet 6 0f 24
US 7,891,816 B2
.UEm /
NW
US. Patent
Feb. 22, 2011
Sheet 7 0f 24
US 7,891,816 B2
cm
r
) _-________ ..........J
I!‘
nl-awI.
I
:31 f2. ,.
S
6EQR Wm
US. Patent
Feb. 22, 2011
Sheet 8 0f 24
US 7,891,816 B2
US. Patent
Feb. 22, 2011
.95 EN _
Sheet 9 0f 24
US 7,891,816 B2
ia: .95
6Em.
F T
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En?‘El
Q3.at
US. Patent
Feb. 22, 2011
Sheet 10 0124
US 7,891,816 B2
E
11
.UEc5
US. Patent
Feb. 22, 2011
Sheet 11 0124
US 7,891,816 B2
US. Patent
Feb. 22, 2011
Sheet 12 0f 24
I-LT
IH LI- H IlM H.rl_L EU.Ii-lJT L.
US 7,891,816 B2
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US. Patent
Feb. 22, 2011
Sheet 13 0124
US 7,891,816 B2
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.GE F
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1- I. .-d;-______
US. Patent
Feb. 22, 2011
Sheet 14 0f 24
US 7,891,816 B2
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US. Patent
Feb. 22, 2011
Sheet 15 0124
US 7,891,816 B2
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US. Patent
Feb. 22, 2011
Sheet 16 0124
US 7,891,816 B2
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US. Patent
Feb. 22, 2011
Sheet 17 0124
US 7,891,816 B2
%QR
US. Patent
Feb. 22, 2011
Sheet 18 0124
US 7,891,816 B2
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