WO2000013050A1 - Ultrathin optical panel and a method of making an ultrathin optical panel - Google Patents
Ultrathin optical panel and a method of making an ultrathin optical panel Download PDFInfo
- Publication number
- WO2000013050A1 WO2000013050A1 PCT/US1999/015955 US9915955W WO0013050A1 WO 2000013050 A1 WO2000013050 A1 WO 2000013050A1 US 9915955 W US9915955 W US 9915955W WO 0013050 A1 WO0013050 A1 WO 0013050A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- optical panel
- light
- coupler
- stack
- inlet face
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/04—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/04—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres
- G02B6/06—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres the relative position of the fibres being the same at both ends, e.g. for transporting images
- G02B6/08—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres the relative position of the fibres being the same at both ends, e.g. for transporting images with fibre bundle in form of plate
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3129—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] scanning a light beam on the display screen
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/04—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres
- G02B6/06—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres the relative position of the fibres being the same at both ends, e.g. for transporting images
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
- H04N5/7416—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S385/00—Optical waveguides
- Y10S385/901—Illuminating or display apparatus
Definitions
- the present invention relates to planar optical displays, and, more particularly, to an
- ultrathin display panel and a method of making an ultrathin display panel.
- Optical screens typically use cathode ray tubes (CRTs) for projecting images onto the CRTs.
- CRTs cathode ray tubes
- the standard screen has a width to height ratio of 4:3 with 525 vertical lines of resolution.
- An electron beam is scanned both horizontally and vertically across the screen to
- phosphors are non-black.
- Optical panels may be made by stacking waveguides defining a wedge and having a narrow inlet face along the bottom of the wedge and a vertical outlet screen disposed obliquely to
- Such a panel may be thin in its depth compared to its height and width, and the
- cladding of the waveguides may be made black to increase the black surface area, but such a
- the present invention is directed to an ultrathin optical panel.
- the panel includes a
- the panel to be created using simple light generating equipment, and allows that equipment to be
- the present invention is also directed to a method of producing an ultrathin optical panel.
- the method includes vertically stacking a plurality of glass sheets, which sheets may be coated
- the rectangular housing having therein a light
- the present invention solves problems experienced in the prior art, such as the required
- the present invention also retains the advantages which correspond to a stacked waveguide panel, such as improved contrast and
- FIG. 1 is an isometric view schematic illustrating an optical panel
- FIG. 2 is a side view cross sectional schematic of an ultrathin optical panel
- FIG. 3 is a schematic illustrating a horizontal and vertical cross section of an ultrathin
- FIG. 1 is an isometric view schematic illustrating an optical panel 10.
- each waveguide 10 includes a plurality of waveguides 10a, wherein one end of each waveguide 10a forms an inlet
- each waveguide 10a forms an outlet for that
- Each waveguide 10a extends horizontally, and the plurality of stacked waveguides 10a
- the plurality of inlet ends define an inlet face 20 for receiving image light 22.
- the plurality of outlet ends define an outlet face 24 disposed substantially parallel with the inlet
- the light 22 may be displayed in a form such as, but not limited
- the housing 14 is sized larger in height and width than the combination of the light
- the housing 14 has an open front to allow for viewing of the outlet face 24, and has a closed depth D looking from the open front to the back of
- the light generation system 12 provides the light viewed through the waveguides 10a.
- the light generation system 12 includes a light source 30, and a light redirection element 32 that
- 16 is preferably effective for turning the image light in an exemplary range of about 45° up to
- the light generation system 12 may also include a modulator and further
- the light generation system 12 is discussed with more particularity with respect
- the panel 10 has a nominal thickness T
- thickness T is substantially less than the height H and width W of the outlet face 24.
- 10 may be configured in typical television width to height ratios of 4:3 or 16:9, for example.
- the panel thickness T of the present invention may be about 1 cm.
- the depth D may vary accordingly with the thickness T, but, in
- the depth D of the housing 14 is preferably no greater
- FIG. 2 is a side view cross sectional schematic of an ultrathin optical panel 10.
- 10 includes a plurality of stacked waveguides 10a, a light generation system 12, a coupler 16,
- the light generation system 12 in one embodiment of the present invention, includes a
- the waveguides 10a for display on the outlet face 24.
- the waveguides 10a for display on the outlet face 24.
- projector 60 is disposed adjacent to the top of the inlet face 20 for projecting the image light 22
- the projector 60 may include a suitable light source 30 for producing the light 22.
- light source 30 may be a light bulb, slide projector, video projector, or laser, for example.
- projector 60 may also include a modulator 62 for modulating the light 22 to form an image 22a.
- the modulator 62 may be, for example, a conventional Liquid Crystal Display (LCD), a Digital
- DMD Micromirror Device
- GLV Global System for Mobile Communications
- the projector 60 may also include suitable image optics 64 for distributing or
- the image optics 64 may include focusing
- Expansion lenses may be used for both the imaging optics 64 and the light redirection element 32
- suitable rastering systems may be used as the light generation system 12 to form the image by
- the light 22 is initially projected from the projector 60
- the projector 60 could be placed beneath the inlet face
- the allowable incidence angle of the image light 22 on the coupler 16 is determined by
- FIG. 3 is a schematic illustrating a horizontal and vertical cross section of an ultrathin
- the panel 10 includes a plurality of vertically stacked optical waveguides 10a, a
- Each waveguide 10a of the plurality of waveguides 10a includes a central transparent
- the core 80 having a first index of refraction.
- the core 80 may be formed of any material known in
- the central core 80 may be formed of an optical plastic, such as
- Lexan® commercially available from the General Electric Company®, or glass, such as type
- the central core 80 is laminated between at least two cladding
- the cladding layers 82 immediately in contact with the glass have a second index of
- the cladding 82 may be a suitable
- plastic glass, plastic, polyurethane, low refractive index polymer, or epoxy, for example, and is
- cladding layer contact the glass, and a black cladding layer be disposed between adjacent clear
- edges of the black cladding 82 at the outlet face 24 are directly viewable to the observer.
- the black cladding 82 may be formed in any order.
- suitable manner such as with black spray paint, or carbon particles within an epoxy adhesive joining together the adjacent cores 80 in one or more black cladding layers 82.
- the waveguides 10a of the preferred embodiment are in the form of flat ribbons
- ribbon waveguides 10a are preferably stacked vertically along the height of the outlet face 24.
- the vertical resolution of the panel 10 is thus dependent on the number of waveguides 10a
- the plurality of stacked waveguides 10a may be formed by first laying a first glass sheet
- the trough may then be filled with a thermally curing epoxy.
- the epoxy is preferably black, in order to form a black layer between
- the epoxy should possess the properties of a suitable cladding layer 82, such as having a lower index of refraction
- glass sheets 80 are repeatedly stacked, and a layer of epoxy
- each glass sheet 80 forms between each glass sheet 80.
- the stacking is preferably repeated until between
- the uniform level obtained is approximately
- the stack may then be baked to cure at 80 degrees Celsius for
- the stack is then allowed to cool slowly in order to prevent cracking of the glass.
- the stack may be placed against a saw, such as, but
- the cut portions of the panel 10 may be any suitable material.
- a diamond saw and cut to a desired size.
- the cut portions of the panel 10 may
- a plurality of glass sheets 80 are
- a first coated glass sheet 10a is placed in a first coated glass sheet 10a
- the trough sized slightly larger than the first coated glass sheet 10a, the trough is filled with a
- the stack may be sawed curved or flat, and may be frosted or polished after sawing.
- the glass sheets 80 preferably a glass sheet 80 .
- the sheets 80 are stacked, with a layer of black ultraviolet adhesive being
- the stack may then be cut and/or polished.
- the light generation system 12 provides light 22 which is incident on the coupler 16, and
- the source 30 of the light generation system is substantially as discussed with respect to FIG. 2.
- the source 30 of the light generation system is substantially as discussed with respect to FIG. 2.
- the 12 may be mounted within the housing 14 in a suitable location to minimize the volume and
- the source 30 is preferably mounted within the housing 14 directly
- the individual waveguides 10a extend horizontally without inclination, thus allowing
- the light 22 incident from the light generation system is the light 22 incident from the light generation system
- a prismatic coupler 16 may be used to turn the
- a TRAF turns the light at an angle of 81 degrees.
- the light coupler 16 adjoins the entire inlet face 20 and may be suitably bonded thereto
- inventions may have a limited acceptance angle for receiving incident light 22, and the coupler 16 - 99/15955
- fresnel prismatic grooves 16a that are straight along the width of the inlet face 20 and
- the prismatic coupler 16 is a Transmissive Right Angle Film (TRAF) commercially
- optional reflector may be disposed closely adjacent to the prismatic coupler 16 for reflecting
- the coupler 16 may also take the form of a diffractive element 16.
- coupler 16 includes a diffractive grating having a large number of small grooves extending
- the coupler 16 may take
- the housing 14 supports the waveguide stack 10a and the light generation system 12 in a
- the outlet face 24 faces outwardly and is exposed to the viewer
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Optical Couplings Of Light Guides (AREA)
- Laminated Bodies (AREA)
- Joining Of Glass To Other Materials (AREA)
- Optical Integrated Circuits (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Projection Apparatus (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Glass Compositions (AREA)
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU49955/99A AU4995599A (en) | 1998-08-31 | 1999-07-14 | Ultrathin optical panel and a method of making an ultrathin optical panel |
CA002341435A CA2341435A1 (en) | 1998-08-31 | 1999-07-14 | Ultrathin optical panel and a method of making an ultrathin optical panel |
EP99934035A EP1118027B1 (en) | 1998-08-31 | 1999-07-14 | Ultrathin optical panel and a method of making an ultrathin optical panel |
IL14107899A IL141078A0 (en) | 1998-08-31 | 1999-07-14 | Ultrathin optical panel and a method of making an ultrathin optical panel |
JP2000567978A JP2002523812A (en) | 1998-08-31 | 1999-07-14 | Ultra-thin optical panel and method of manufacturing ultra-thin optical panel |
MXPA01002201A MXPA01002201A (en) | 1998-08-31 | 1999-07-14 | Ultrathin optical panel and a method of making an ultrathin optical panel. |
DE69940350T DE69940350D1 (en) | 1998-08-31 | 1999-07-14 | ULTRADUNNE OPTICAL PLATE AND MANUFACTURING METHOD OF SUCH A |
BR9913184-6A BR9913184A (en) | 1998-08-31 | 1999-07-14 | Optical panel, and, process of producing a thin optical panel |
KR1020017002605A KR20010074869A (en) | 1998-08-31 | 1999-07-14 | Ultrathin optical panel and a method of making an ultrathin optical panel |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14541198A | 1998-08-31 | 1998-08-31 | |
US09/145,411 | 1998-08-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000013050A1 true WO2000013050A1 (en) | 2000-03-09 |
Family
ID=22512989
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1999/015955 WO2000013050A1 (en) | 1998-08-31 | 1999-07-14 | Ultrathin optical panel and a method of making an ultrathin optical panel |
Country Status (14)
Country | Link |
---|---|
US (4) | US6301417B1 (en) |
EP (1) | EP1118027B1 (en) |
JP (1) | JP2002523812A (en) |
KR (1) | KR20010074869A (en) |
CN (2) | CN1544962A (en) |
AT (1) | ATE421708T1 (en) |
AU (1) | AU4995599A (en) |
BR (1) | BR9913184A (en) |
CA (1) | CA2341435A1 (en) |
DE (1) | DE69940350D1 (en) |
IL (1) | IL141078A0 (en) |
MX (1) | MXPA01002201A (en) |
TW (1) | TW446826B (en) |
WO (1) | WO2000013050A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1279052A1 (en) * | 2000-04-05 | 2003-01-29 | Brookhaven Science Associates | Planar optical waveguides for optical panel having gradient refractive index core |
EP1342111A1 (en) * | 2000-12-15 | 2003-09-10 | Scram Technologies, Inc. | A high contrast front projection display panel and a method of making a high contrast front projection display panel |
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Families Citing this family (46)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6389206B1 (en) * | 1998-07-16 | 2002-05-14 | Brookhaven Science Associates | Light redirective display panel and a method of making a light redirective display panel |
US6301417B1 (en) * | 1998-08-31 | 2001-10-09 | Brookhaven Science Associates | Ultrathin optical panel and a method of making an ultrathin optical panel |
US6400876B1 (en) * | 1998-08-31 | 2002-06-04 | Brookhaven Science Associates | Ultrathin optical panel and a method of making an ultrathin optical panel |
US6719430B2 (en) | 1999-12-21 | 2004-04-13 | Scram Technologies, Inc. | Precision optical system for display panel |
US6485145B1 (en) * | 1999-12-21 | 2002-11-26 | Scram Technologies, Inc. | Optical system for display panel |
US6532911B2 (en) | 2000-07-26 | 2003-03-18 | Toyota Jidosha Kabushiki Kaisha | Internal combustion engine having heat accumulator, control of heat supply system and control method of internal combustion engine |
GB0024112D0 (en) * | 2000-10-03 | 2000-11-15 | Cambridge 3D Display Ltd | Flat panel display |
US6805447B2 (en) * | 2000-10-13 | 2004-10-19 | Nec Viewtechnology Ltd. | Rear projection display device and projecting method used for the same |
US6457834B1 (en) * | 2001-01-24 | 2002-10-01 | Scram Technologies, Inc. | Optical system for display panel |
US6571044B2 (en) * | 2001-05-18 | 2003-05-27 | Scram Technologies, Inc. | High contrast display panel and a method of making a high contrast display panel |
US6729019B2 (en) * | 2001-07-11 | 2004-05-04 | Formfactor, Inc. | Method of manufacturing a probe card |
US6832037B2 (en) * | 2002-08-09 | 2004-12-14 | Eastman Kodak Company | Waveguide and method of making same |
JP4089371B2 (en) * | 2002-09-24 | 2008-05-28 | セイコーエプソン株式会社 | Transmissive screen and rear projector |
US6999665B2 (en) * | 2002-10-09 | 2006-02-14 | Scram Technologies, Inc. | Display panel having dual directional diffusion |
US6728456B1 (en) * | 2002-10-11 | 2004-04-27 | Eastman Kodak Company | Waveguide with nanoparticle induced refractive index gradient |
US6895158B2 (en) * | 2002-12-09 | 2005-05-17 | Eastman Kodak Company | Waveguide and method of smoothing optical surfaces |
US6899433B2 (en) * | 2003-06-19 | 2005-05-31 | Brookhaven Science Associates | Split image optical display |
US7167619B2 (en) * | 2003-08-28 | 2007-01-23 | Brookhaven Science Associates | Interactive display system having a matrix optical detector |
US6948820B2 (en) * | 2003-08-28 | 2005-09-27 | Scram Technologies, Inc. | Interactive display system having an optical channeling element |
US7062134B2 (en) * | 2003-08-28 | 2006-06-13 | Brookhaven Science Associates | Interactive display system having a scaled virtual target zone |
US7025461B2 (en) * | 2003-08-28 | 2006-04-11 | Brookhaven Science Associates | Interactive display system having a digital micromirror imaging device |
US7187831B2 (en) * | 2004-04-26 | 2007-03-06 | Brookhaven Science Associates | Optical panel system including stackable waveguides |
US20070081783A1 (en) * | 2005-09-28 | 2007-04-12 | Jyh-Long Chen | Waveguide device for planar display device and related planar display device |
CN1962504B (en) * | 2005-11-11 | 2011-03-23 | 鸿富锦精密工业(深圳)有限公司 | Glass cutting method |
US7530694B2 (en) * | 2006-02-01 | 2009-05-12 | Mitsubishi Digital Electronics America, Inc. | Flat projection television |
US7548677B2 (en) | 2006-10-12 | 2009-06-16 | Microsoft Corporation | Interactive display using planar radiation guide |
EP1935294A3 (en) * | 2006-12-21 | 2008-12-17 | Toshiba Tec Kabushiki Kaisha | Image display controller for display shelf |
US20080151199A1 (en) * | 2006-12-21 | 2008-06-26 | Bao-Gang Wu | Projection display system of quasi-axial optical imagery |
US20080285125A1 (en) * | 2007-05-18 | 2008-11-20 | Fujifilm Manufacturing U.S.A. Inc. | Optical panel for front projection under ambient lighting conditions |
US7496263B2 (en) * | 2007-06-07 | 2009-02-24 | Fujifilm Manfacturing U.S.A. Inc. | Thermosetting optical waveguide coating |
US20080305255A1 (en) * | 2007-06-07 | 2008-12-11 | Fujifilm Manufacturing U.S.A. Inc. | Optical waveguide coating |
WO2009064467A1 (en) * | 2007-11-15 | 2009-05-22 | Tharpe Christopher S | Display |
US20120069232A1 (en) * | 2010-09-16 | 2012-03-22 | Qualcomm Mems Technologies, Inc. | Curvilinear camera lens as monitor cover plate |
US8594475B2 (en) * | 2010-12-20 | 2013-11-26 | Raytheon Company | Methods and apparatus for a decoupled fiber optic display |
CN103423712A (en) * | 2012-05-17 | 2013-12-04 | 卡尔佛阿尔弗森 | Apparatus and method for determining a precoding matrix |
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EP3117249B1 (en) | 2014-03-14 | 2021-05-05 | BAE Systems PLC | Improvements in and relating to displays |
JP6294967B2 (en) * | 2014-07-29 | 2018-03-14 | シャープ株式会社 | Electronics |
JP6379818B2 (en) * | 2014-07-31 | 2018-08-29 | 大日本印刷株式会社 | Display device |
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BR112021025737A2 (en) | 2019-07-04 | 2022-02-15 | Lumus Ltd | Optical system and optical system for displaying an image to a user's eye |
JP7396738B2 (en) | 2019-12-05 | 2023-12-12 | ルーマス リミテッド | Light-guiding optics with complementary coating partial reflectors and light-guiding optics with reduced light scattering |
CA3164587A1 (en) | 2019-12-30 | 2021-07-08 | Lumus Ltd. | Optical systems including light-guide optical elements with two-dimensional expansion |
KR102623956B1 (en) | 2020-05-24 | 2024-01-10 | 루머스 리미티드 | Method for manufacturing composite light guiding optical elements |
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KR20240046489A (en) | 2021-08-23 | 2024-04-09 | 루머스 리미티드 | Method for manufacturing composite light guiding optical elements with embedded coupling-in reflector |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2297851A (en) * | 1939-08-03 | 1942-10-06 | Western Union Telegraph Co | Illuminated display device |
US4586781A (en) * | 1982-07-30 | 1986-05-06 | Hughes Aircraft Company | Diffraction optics diffusing screen |
US5594561A (en) * | 1993-03-31 | 1997-01-14 | Palomar Technologies Corporation | Flat panel display with elliptical diffuser and fiber optic plate |
US5625736A (en) * | 1996-01-11 | 1997-04-29 | Associated Universities, Inc. | Black optic display |
US5668907A (en) * | 1996-01-11 | 1997-09-16 | Associated Universities, Inc. | Thin optical display panel |
Family Cites Families (59)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3253500A (en) | 1964-05-11 | 1966-05-31 | American Optical Corp | Doubly clad light-conducting fibers with the outer cladding being partially light absorbing |
US3797910A (en) * | 1971-09-14 | 1974-03-19 | Corning Glass Works | Fiber optic device having some fibers clad with absorbing glasses |
US3874783A (en) | 1972-08-02 | 1975-04-01 | American Optical Corp | Numerical aperture expansion in fiber optic devices |
US4116739A (en) | 1976-11-26 | 1978-09-26 | New York Institute Of Technology | Method of forming an optical fiber device |
US4090104A (en) * | 1977-03-07 | 1978-05-16 | Vann Clyde R | Optical fiber television screen |
US4261657A (en) * | 1978-08-09 | 1981-04-14 | Reiback Earl M | Optical display device |
US4349817A (en) * | 1980-01-28 | 1982-09-14 | Hoffman William C | Liquid crystal display system using fiber optic faceplates |
US4344668A (en) * | 1980-03-17 | 1982-08-17 | Hughes Aircraft Company | Fiber optic light traps for electro-optical display devices |
JPS57153334U (en) * | 1981-03-20 | 1982-09-27 | ||
US4418986A (en) | 1981-04-07 | 1983-12-06 | Mitsubishi Rayon Co., Ltd. | Rear projection screen |
US4469402A (en) | 1981-06-15 | 1984-09-04 | Mitsubishi Rayon Co., Ltd. | Rear projection screen |
JPS61208041A (en) | 1985-03-11 | 1986-09-16 | Mitsubishi Rayon Co Ltd | Back face projection screen |
NL8600184A (en) * | 1986-01-28 | 1987-08-17 | Philips Nv | TRANSPARENT PROJECTION SYSTEM. |
JPS62257140A (en) | 1986-04-30 | 1987-11-09 | Mitsubishi Rayon Co Ltd | Back projection screen |
US5274406A (en) | 1987-12-29 | 1993-12-28 | Asahi Kogaku Kogyo Kabushiki Kaisha | Image projecting device |
FR2626700B1 (en) | 1988-02-03 | 1992-12-04 | Castel Francois Du | VERY LARGE DIMENSIONS DISPLAY |
GB8804402D0 (en) * | 1988-02-25 | 1988-03-23 | Emi Plc Thorn | Display device |
JPH0778564B2 (en) * | 1988-03-09 | 1995-08-23 | 日立電線株式会社 | Plastic optical fiber manufacturing method |
JPH02130541A (en) * | 1988-11-10 | 1990-05-18 | Canon Inc | Projection type picture display device |
US5106181A (en) * | 1989-04-12 | 1992-04-21 | Rockwell Iii Marshall A | Optical waveguide display system |
US5009483A (en) * | 1989-04-12 | 1991-04-23 | Rockwell Iii Marshall A | Optical waveguide display system |
JP3163648B2 (en) * | 1990-08-27 | 2001-05-08 | セイコーエプソン株式会社 | Projection display device |
US5422691A (en) | 1991-03-15 | 1995-06-06 | Seiko Epson Corporation | Projection type displaying apparatus and illumination system |
JPH0572634A (en) * | 1991-09-12 | 1993-03-26 | Seiko Epson Corp | Rear projection type screen |
JPH06138550A (en) * | 1991-11-08 | 1994-05-20 | Access:Kk | Rear projection type screen |
US5151956A (en) * | 1991-12-20 | 1992-09-29 | The United Staes Of America As Represented By The Secretary Of The Army | Waveguide polarizer using localized surface plasmons |
JP3122543B2 (en) * | 1992-09-25 | 2001-01-09 | 日本電信電話株式会社 | Display / imaging device |
EP0618476A1 (en) | 1993-03-31 | 1994-10-05 | Hughes Aircraft Company | Rear projection screen with off-axis sunlight rejection |
US5479550A (en) * | 1993-05-13 | 1995-12-26 | Olympus Optical Co., Ltd. | Image fiber |
US5481385A (en) | 1993-07-01 | 1996-01-02 | Alliedsignal Inc. | Direct view display device with array of tapered waveguide on viewer side |
US5764845A (en) | 1993-08-03 | 1998-06-09 | Fujitsu Limited | Light guide device, light source device, and liquid crystal display device |
JP3374452B2 (en) * | 1993-08-04 | 2003-02-04 | セイコーエプソン株式会社 | Projection display device |
GB2282671B (en) | 1993-10-08 | 1997-12-10 | Durand Ltd | Diffusing and depixelating means |
US5821911A (en) * | 1993-09-07 | 1998-10-13 | Motorola | Miniature virtual image color display |
US5455882A (en) * | 1993-09-29 | 1995-10-03 | Associated Universities, Inc. | Interactive optical panel |
US5381502A (en) | 1993-09-29 | 1995-01-10 | Associated Universities, Inc. | Flat or curved thin optical display panel |
US5521725A (en) | 1993-11-05 | 1996-05-28 | Alliedsignal Inc. | Illumination system employing an array of microprisms |
US5647036A (en) * | 1994-09-09 | 1997-07-08 | Deacon Research | Projection display with electrically-controlled waveguide routing |
US5506929A (en) * | 1994-10-19 | 1996-04-09 | Clio Technologies, Inc. | Light expanding system for producing a linear or planar light beam from a point-like light source |
DE4440976A1 (en) * | 1994-11-17 | 1996-05-23 | Ant Nachrichtentech | Optical transmitter and receiver with a surface emitting laser |
US5565839A (en) * | 1995-02-16 | 1996-10-15 | Grafon Corporartion | Battery-powered, portable flashing superluminescent light-emitting diode safety warning light |
JPH08286048A (en) * | 1995-04-18 | 1996-11-01 | Toppan Printing Co Ltd | Contact type image sensor element and contact type image sensor using the same |
JPH08338916A (en) | 1995-06-12 | 1996-12-24 | Hamamatsu Photonics Kk | Fiber optical plate |
JP3541576B2 (en) | 1995-10-25 | 2004-07-14 | ミノルタ株式会社 | Imaging optics |
JPH09265264A (en) | 1996-03-27 | 1997-10-07 | Casio Comput Co Ltd | Display device |
US5914760A (en) * | 1996-06-21 | 1999-06-22 | Casio Computer Co., Ltd. | Surface light source device and liquid crystal display device using the same |
US5940565A (en) | 1996-07-24 | 1999-08-17 | Hamamatsu Photonics K.K. | Fiber optic device, light receiving member, and pattern acquisition apparatus |
US6012816A (en) | 1996-10-08 | 2000-01-11 | Beiser; Leo | Optical projection apparatus and method |
JP3237544B2 (en) | 1996-10-11 | 2001-12-10 | 富士通株式会社 | Manufacturing method of flat display panel and flat display panel |
US5940556A (en) | 1997-03-07 | 1999-08-17 | Ifos | Fiber-optic mode-routed add-drop filter |
US5838865A (en) * | 1997-06-05 | 1998-11-17 | Clarity Visual Systems, Inc. | Fiber optic light homogenizer for use in projection displays |
JP4025432B2 (en) * | 1997-09-26 | 2007-12-19 | 松下電器産業株式会社 | Rear projection screen |
US6002826A (en) | 1998-08-28 | 1999-12-14 | Brookhaven Science Associates | Thin display optical projector |
US6301417B1 (en) * | 1998-08-31 | 2001-10-09 | Brookhaven Science Associates | Ultrathin optical panel and a method of making an ultrathin optical panel |
US6317545B1 (en) | 1999-09-01 | 2001-11-13 | James T. Veligdan | Stepped inlet optical panel |
US6307995B1 (en) * | 2000-04-05 | 2001-10-23 | James T. Veligdan | Planar optical waveguides for optical panel having gradient refractive index core |
US6535674B2 (en) * | 2000-12-15 | 2003-03-18 | Scram Technologies, Inc. | High contrast front projection display panel and a method of making a high contrast front projection display panel |
US6751019B2 (en) * | 2001-06-11 | 2004-06-15 | Scram Technologies, Inc. | Ultrathin mesh optical panel and a method of making an ultrathin mesh optical panel |
US6755534B2 (en) * | 2001-08-24 | 2004-06-29 | Brookhaven Science Associates | Prismatic optical display |
-
1999
- 1999-05-26 US US09/318,934 patent/US6301417B1/en not_active Expired - Lifetime
- 1999-07-14 CN CNA031278701A patent/CN1544962A/en active Pending
- 1999-07-14 CA CA002341435A patent/CA2341435A1/en not_active Abandoned
- 1999-07-14 KR KR1020017002605A patent/KR20010074869A/en not_active Application Discontinuation
- 1999-07-14 DE DE69940350T patent/DE69940350D1/en not_active Expired - Lifetime
- 1999-07-14 EP EP99934035A patent/EP1118027B1/en not_active Expired - Lifetime
- 1999-07-14 AU AU49955/99A patent/AU4995599A/en not_active Abandoned
- 1999-07-14 JP JP2000567978A patent/JP2002523812A/en active Pending
- 1999-07-14 MX MXPA01002201A patent/MXPA01002201A/en unknown
- 1999-07-14 AT AT99934035T patent/ATE421708T1/en not_active IP Right Cessation
- 1999-07-14 WO PCT/US1999/015955 patent/WO2000013050A1/en not_active Application Discontinuation
- 1999-07-14 BR BR9913184-6A patent/BR9913184A/en not_active Application Discontinuation
- 1999-07-14 IL IL14107899A patent/IL141078A0/en unknown
- 1999-07-14 CN CNB998098388A patent/CN1215343C/en not_active Expired - Fee Related
- 1999-07-19 TW TW088112210A patent/TW446826B/en not_active IP Right Cessation
-
2001
- 2001-04-27 US US09/845,085 patent/US6519400B2/en not_active Expired - Fee Related
-
2003
- 2003-02-07 US US10/360,396 patent/US6895151B2/en not_active Expired - Fee Related
- 2003-12-23 US US10/746,916 patent/US6856753B2/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2297851A (en) * | 1939-08-03 | 1942-10-06 | Western Union Telegraph Co | Illuminated display device |
US4586781A (en) * | 1982-07-30 | 1986-05-06 | Hughes Aircraft Company | Diffraction optics diffusing screen |
US5594561A (en) * | 1993-03-31 | 1997-01-14 | Palomar Technologies Corporation | Flat panel display with elliptical diffuser and fiber optic plate |
US5625736A (en) * | 1996-01-11 | 1997-04-29 | Associated Universities, Inc. | Black optic display |
US5668907A (en) * | 1996-01-11 | 1997-09-16 | Associated Universities, Inc. | Thin optical display panel |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1279052A1 (en) * | 2000-04-05 | 2003-01-29 | Brookhaven Science Associates | Planar optical waveguides for optical panel having gradient refractive index core |
EP1279052A4 (en) * | 2000-04-05 | 2005-03-23 | Brookhaven Science Ass Llc | Planar optical waveguides for optical panel having gradient refractive index core |
EP1342111A1 (en) * | 2000-12-15 | 2003-09-10 | Scram Technologies, Inc. | A high contrast front projection display panel and a method of making a high contrast front projection display panel |
EP1342111A4 (en) * | 2000-12-15 | 2006-07-19 | Scram Technologies Inc | A high contrast front projection display panel and a method of making a high contrast front projection display panel |
EP1397723A1 (en) * | 2001-06-11 | 2004-03-17 | Scram Technologies, Inc. | Ultrathin mesh optical panel and a method of making an ultrathin mesh optical panel |
EP1397723A4 (en) * | 2001-06-11 | 2008-03-26 | Scram Technologies Inc | Ultrathin mesh optical panel and a method of making an ultrathin mesh optical panel |
Also Published As
Publication number | Publication date |
---|---|
US6856753B2 (en) | 2005-02-15 |
US20040141712A1 (en) | 2004-07-22 |
CN1323401A (en) | 2001-11-21 |
IL141078A0 (en) | 2002-02-10 |
CA2341435A1 (en) | 2000-03-09 |
US6895151B2 (en) | 2005-05-17 |
CN1215343C (en) | 2005-08-17 |
KR20010074869A (en) | 2001-08-09 |
BR9913184A (en) | 2001-05-15 |
US20030142936A1 (en) | 2003-07-31 |
MXPA01002201A (en) | 2003-03-27 |
TW446826B (en) | 2001-07-21 |
US6519400B2 (en) | 2003-02-11 |
DE69940350D1 (en) | 2009-03-12 |
US6301417B1 (en) | 2001-10-09 |
AU4995599A (en) | 2000-03-21 |
ATE421708T1 (en) | 2009-02-15 |
EP1118027A4 (en) | 2005-06-22 |
EP1118027B1 (en) | 2009-01-21 |
EP1118027A1 (en) | 2001-07-25 |
US20020006255A1 (en) | 2002-01-17 |
JP2002523812A (en) | 2002-07-30 |
CN1544962A (en) | 2004-11-10 |
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