WO2004059608A1 - 投写型映像表示装置 - Google Patents
投写型映像表示装置 Download PDFInfo
- Publication number
- WO2004059608A1 WO2004059608A1 PCT/JP2003/016835 JP0316835W WO2004059608A1 WO 2004059608 A1 WO2004059608 A1 WO 2004059608A1 JP 0316835 W JP0316835 W JP 0316835W WO 2004059608 A1 WO2004059608 A1 WO 2004059608A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light
- solid
- light source
- projection
- color
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
- G09G3/3413—Details of control of colour illumination sources
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
- G02B19/0028—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed refractive and reflective surfaces, e.g. non-imaging catadioptric systems
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
- G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
- G02B19/0061—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED
- G02B19/0066—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED in the form of an LED array
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
- G02B27/095—Refractive optical elements
- G02B27/0955—Lenses
- G02B27/0961—Lens arrays
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
- G02B27/1013—Beam splitting or combining systems for splitting or combining different wavelengths for colour or multispectral image sensors, e.g. splitting an image into monochromatic image components on respective sensors
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
- G02B27/102—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
- G02B27/102—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources
- G02B27/1046—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources for use with transmissive spatial light modulators
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/12—Beam splitting or combining systems operating by refraction only
- G02B27/123—The splitting element being a lens or a system of lenses, including arrays and surfaces with refractive power
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/14—Beam splitting or combining systems operating by reflection only
- G02B27/149—Beam splitting or combining systems operating by reflection only using crossed beamsplitting surfaces, e.g. cross-dichroic cubes or X-cubes
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
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- 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
- H04N9/315—Modulator illumination systems
-
- 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
- H04N9/315—Modulator illumination systems
- H04N9/3155—Modulator illumination systems for controlling the light source
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
- G09G2320/0646—Modulation of illumination source brightness and image signal correlated to each other
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/021—Power management, e.g. power saving
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/16—Calculation or use of calculated indices related to luminance levels in display data
Definitions
- the present invention relates to a projection type image display device such as a liquid crystal projector.
- Illumination devices used in liquid crystal projectors and the like are generally composed of lamps such as ultra-high pressure mercury lamps, metal halide lamps, xenon lamps, and parabolic reflectors that collimate the irradiation light. Furthermore, in recent years, from the viewpoint of extending the life and saving power, it has been attempted to use a light emitting diode (LED) as a light source (see Japanese Patent Publication No. 10-186657).
- LED light emitting diode
- the present invention has been made in view of the above circumstances, and has as its object to provide a projection display apparatus that can save power by using a solid-state light source such as a light-emitting diode.
- a projection-type image display device includes a first solid-state light source that emits red light, a second solid-state light source that emits green light, and a third solid-state light source that emits blue light.
- a display panel that receives and modulates the color light from the light source; Means for projecting image light, light source adjustment means for adjusting the amount of light emitted from the solid-state light source based on image signal information by controlling the supplied power, and means for adjusting the amount of light emitted from each color light to each display panel. Means for controlling the drive signal.
- the light emission amount of the solid-state light source is adjusted by controlling the supplied power in accordance with the video signal, so that the darker the video is, the more the power consumption can be reduced, and the cooling can be achieved.
- the capacity and power consumption for cooling can be reduced.
- Each solid-state light source may include a plurality of solid-state light-emitting elements, and the light source adjusting unit may control the number of light-emissions of the plurality of solid-state light-emitting elements to adjust the amount of light emitted from each solid-state light source. . Further, each solid-state light source includes a plurality of solid-state light-emitting elements, and the light source adjustment unit is configured to control the power supplied to each solid-state light-emitting element to adjust the amount of light emitted from each solid-state light source. Is also good. Each solid-state light source includes a plurality of solid-state light-emitting elements. The light-source adjusting unit controls each of the solid-state light-emitting elements to emit a pulse, and controls a duty ratio of the pulse light to emit light from each solid-state light source. May be adjusted.
- the emitted light amount of the solid-state light source for each color may be adjusted by controlling the supplied power so that the highest value of each color in the frame image is obtained in the state corresponding to the highest gradation of the display panel. According to this, the power consumption is most suppressed.
- the projection display apparatus may be configured to guide white light obtained by combining each color light from each light source to a single full-color display panel.
- white light obtained by combining each color light from each light source is color-separated, and each color light is separated into a red display panel, a green display panel, and a blue display panel. May be configured to be guided to each. Further, each color light from each light source may be guided to the red display panel, the green display panel, and the blue display panel as they are.
- FIG. 1 is an explanatory diagram showing an optical system and a control system of a projection display apparatus according to an embodiment of the present invention.
- Fig. 2 shows a lighting device in which three lighting devices are mixed in one plane
- Fig. 2 (a) shows a state in which all LED chips are turned on
- Fig. 2 (b) This shows a state where some LED chips are turned off in one lighting device.
- Fig. 3 is a front view showing a lighting device for red light among the lighting devices shown in Fig. 1, and Fig. 3 (3) shows a state in which all the ED chips are turned on.
- b) shows a state where some of the LED chips 11 are turned off.
- FIG. 4 is an explanatory diagram showing that the duty ratio of pulse emission in each frame period is changed.
- FIG. 5 is an explanatory diagram of the single-plate DMD method.
- FIG. 6 is an explanatory diagram of the three-plate DMD method.
- FIG. 1 is a diagram showing the optical system and control system of a three-panel projection image display device.
- This projection type video display device includes three lighting devices 1R, 1G, and 1B (hereinafter, when the individual lighting devices are indicated without being specified, the symbol “1" is used).
- the lighting device 1R emits red light
- the lighting device 1G emits green light
- the lighting device 1B emits blue light. From each lighting device 1
- the emitted light is guided by the convex lens 2 to the liquid crystal display panels 3 R, 3 G, and 3 B for each color (hereinafter, when the individual liquid crystal display panels are shown without being specified, the symbol “3” is used).
- Each liquid crystal display panel 3 includes an incident-side polarizing plate, a panel portion in which liquid crystal is sealed between a pair of glass substrates (on which a pixel electrode and an alignment film are formed), and an emitting-side polarizing plate. .
- the modulated light (image light of each color) modulated by passing through the liquid crystal display panels 3 R, 3 G, and 3 B is combined by the dichroic prism 4 to become color image light.
- the color image light is enlarged and projected by the projection lens 5 and projected and displayed on a screen.
- the illumination device 1 includes a light source 12 in which LED chips 11 are arranged in an array and a lens cell 14 is arranged on the light emission side of each LED chip 11, and light emitted from each LED chip 11. And a flywheel lens pair 13 which guides the light parallelized by the lens cell 14 to the liquid crystal display panel 3 and guides it.
- the fly-eye lens pair 13 is composed of a pair of lens groups 13a and 13b, and each lens pair transmits light emitted from each LED chip 11 to the entire surface of the liquid crystal display panel 3. It is leading. 1_ £ 0 chips 11 are formed of transparent resin, and the transparent resin is formed in a convex shape to constitute the lens cells 14.
- Each lens of the LED chip 11, the lens cell 14, and the lens group 13 a is formed in a rectangular shape, and further, matches or approximately matches the aspect ratio of the liquid crystal display panel 3. Note that the aspect ratio of each lens of the LED chip 11, the lens cell 14 and the lens group 13 a may be different from the aspect ratio of the liquid crystal display panel 3.
- the luminous flux guided to the liquid crystal display panel 3 is preferably matched or substantially matched with the aspect ratio.
- the optimal processing unit 21 receives a video signal (RGB signal) and analyzes one frame video in the video signal. Specifically, the red intensity (red gradation signal), green intensity (green gradation signal), and blue intensity (blue gradation signal) of each pixel constituting one frame image are detected.
- each lighting device 1 can also perform light amount adjustment in 100% steps.
- the optimal processing unit 21 sets the gain of the lighting device 1R to 0% (minimum light amount) for the light source gain adjustment unit 22. Is given.
- the light source gain adjuster 22 receives the control signal and controls the power (voltage) supplied to the lighting device 1R.
- the optimum processing unit 21 gives a drive command to the LCD signal processing unit 23 to set, for example, the light transmission amount to 0% for all the pixels of the liquid crystal display panel 3R.
- the LCD signal processing section 23 drives the pixels of the liquid crystal display panel 3R based on the drive command.
- the light transmission amount is set to 100% for the pixel having the value of 50%, and the emission light amount for the illumination device 1R.
- the red intensity based on the original video signal may be corrected by setting the amount of light emitted from the illumination device 1R to 50%. That is, the emission light amount of the solid-state light source for each color is adjusted by controlling the supplied power so that the highest value of each color in one frame image is obtained in the state corresponding to the highest gradation of the display panel. Is also good. Such control can minimize the power consumption of the lighting device 1.
- the present invention is not limited to such control.
- the light transmission amount is set to 70% and the output light amount of the illumination device 1R is set to 70%.
- the pixels having other red intensities may be corrected by setting the emitted light amount of the illuminating device 1R to 70% with respect to the red intensity of the original video signal. Similar control may be performed for other colors.
- the illuminating device was supplied with power so as to emit light with the maximum amount of light. In the display, the power supply to the lighting device 1 can be set to 0, for example, and the power consumption can be significantly reduced.
- the power supply (voltage) to each lighting device 1 is controlled by the light source gain adjustment unit 22.
- the number of 1 1... By controlling the number of 1 1..., The amount of light emitted from each lighting device 1 may be controlled.
- Fig. 2 shows a lighting system in which three lighting systems 1R, 1G, and 1B are mixed in one plane.
- Fig. 2 (a) shows a state in which all LED chips 11 are turned on.
- FIG. 2 (b) shows a state where some of the LED chips 11 1... In the lighting devices 1R, 1G, 1B are turned off. The turned off LED chips 11 1... Are shown in black in the figure.
- FIG. 3 is a front view showing the lighting device 1R shown in FIG. That is, the illuminating device 1R is configured by arranging LED chips 11 emitting red light in an array on one plane.
- Figure 3 (a) is all FIG. 3B shows a state in which the LED chips 11 are turned on, and FIG. 3B shows a state in which some of the LED chips 11 are turned off. When the LED chips 11 are turned off, they may be turned off in a dispersed manner as shown in Fig. 2 (b) and Fig. 3 (b), but this is not a limitation. Is also good.
- the LED chips 11 are made to emit pulses, and as shown in FIG. 4, the light quantity is controlled by changing the duty ratio of the pulse emission in each frame period (IV: vertical period). Is also good.
- the present invention is not limited to the liquid crystal display panel, and a display panel of a type that individually drives minute mirrors serving as pixels (for example, a digital micromirror device: DMD) It may be good.
- the lighting devices 1 R, 1 G, and 1 B are provided so as to face three side surfaces of the dichroic prism 4, and one of the dichroic prisms 4 is provided. Emit white light from the side.
- the white light is applied to the single-plate DMD 9 via the lens 7 and the curved mirror 10.
- the light (full color image light) reflected by the veneer DMD 9 is projected by the projection lens 5.
- the illuminating devices 1 R, 1 G, and 1 B are provided so as to face three side surfaces of the dichroic prism 4. Emit white light from one side of the.
- the white light is guided to a total internal reflection (TIR) prism 30 through the lens 7.
- TIR total internal reflection
- the white light reflected by the internal total reflection prism 30 is guided to a color separation prism 31 composed of three prisms.
- each color light is guided to DMD 9R, 9G, 9B for each color, and the reflected light (video light of each color) is again separated by color separation.
- the light enters the rhythm 31 and becomes a full-color image light and exits from the color separation prism 31.
- the full-color image light emitted from the color separation prism 31 passes through the total internal reflection prism 30 and is enlarged and projected by the projection lens 5.
- the configuration of the lighting device 1 is not limited to the configuration described above.
- a rod integrator can be used instead of the fly-eye lens pair 13.
- the solid-state light source is not limited to the light emitting diode (LED), but a semiconductor laser or the like can be used.
- the optimal processing unit 21 may perform three-stage determination (dark, medium, and bright) on the input video signal, and perform light amount control and panel drive control in these three stages. Things.
- the amount of light emitted from the solid-state light source is adjusted in accordance with the video signal, so that the darker the video is, the more the power consumption can be reduced. This has the effect of reducing power consumption for cooling and cooling.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Projection Apparatus (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/540,544 US7270425B2 (en) | 2002-12-26 | 2003-12-25 | Projection type video display |
| EP03782910A EP1577872A4 (en) | 2002-12-26 | 2003-12-25 | PROJECTOR-SAME VIDEO DISPLAY DEVICE |
| JP2004562950A JP4245563B2 (ja) | 2002-12-26 | 2003-12-25 | 投写型映像表示装置 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002-377873 | 2002-12-26 | ||
| JP2002377873 | 2002-12-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2004059608A1 true WO2004059608A1 (ja) | 2004-07-15 |
Family
ID=32677410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2003/016835 Ceased WO2004059608A1 (ja) | 2002-12-26 | 2003-12-25 | 投写型映像表示装置 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7270425B2 (ja) |
| EP (1) | EP1577872A4 (ja) |
| JP (1) | JP4245563B2 (ja) |
| KR (1) | KR100816971B1 (ja) |
| CN (1) | CN100424547C (ja) |
| WO (1) | WO2004059608A1 (ja) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004325629A (ja) * | 2003-04-23 | 2004-11-18 | Seiko Epson Corp | 表示装置、及びその調光方法 |
| JP2006084753A (ja) * | 2004-09-16 | 2006-03-30 | Ricoh Co Ltd | カラー表示装置、プロジェクタ及び接眼型表示装置 |
| JP2006301325A (ja) * | 2005-04-21 | 2006-11-02 | Victor Co Of Japan Ltd | 画像表示装置 |
| KR100711851B1 (ko) * | 2004-06-11 | 2007-04-30 | 세이코 엡슨 가부시키가이샤 | 표시 장치 및 그 조광 방법 |
| KR100718962B1 (ko) * | 2004-12-28 | 2007-05-16 | 엘지전자 주식회사 | 프로젝션 디스플레이 구동 장치 |
| JP2007264244A (ja) * | 2006-03-28 | 2007-10-11 | Seiko Epson Corp | 画像表示装置 |
| JP2007292823A (ja) * | 2006-04-21 | 2007-11-08 | Casio Comput Co Ltd | 投影装置 |
| JP2008262167A (ja) * | 2007-02-20 | 2008-10-30 | Miradia Inc | 高速応答光源による改善されたコントラスト |
| WO2010064559A1 (ja) * | 2008-12-05 | 2010-06-10 | 三洋電機株式会社 | 照明装置および投写型映像表示装置 |
| JP2010224316A (ja) * | 2009-03-24 | 2010-10-07 | Sanyo Electric Co Ltd | 投写型映像表示装置 |
| US8454172B2 (en) | 2004-11-26 | 2013-06-04 | Nikon Corporation | Projector device |
Families Citing this family (46)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8071740B2 (en) | 2000-11-17 | 2011-12-06 | Vascular Biogenics Ltd. | Promoters exhibiting endothelial cell specificity and methods of using same for regulation of angiogenesis |
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| JP2004325629A (ja) * | 2003-04-23 | 2004-11-18 | Seiko Epson Corp | 表示装置、及びその調光方法 |
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| KR100711851B1 (ko) * | 2004-06-11 | 2007-04-30 | 세이코 엡슨 가부시키가이샤 | 표시 장치 및 그 조광 방법 |
| JP2006084753A (ja) * | 2004-09-16 | 2006-03-30 | Ricoh Co Ltd | カラー表示装置、プロジェクタ及び接眼型表示装置 |
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| JP2010224316A (ja) * | 2009-03-24 | 2010-10-07 | Sanyo Electric Co Ltd | 投写型映像表示装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20050088218A (ko) | 2005-09-02 |
| EP1577872A4 (en) | 2008-11-26 |
| US7270425B2 (en) | 2007-09-18 |
| CN1729502A (zh) | 2006-02-01 |
| JP4245563B2 (ja) | 2009-03-25 |
| EP1577872A1 (en) | 2005-09-21 |
| US20060050245A1 (en) | 2006-03-09 |
| KR100816971B1 (ko) | 2008-03-26 |
| CN100424547C (zh) | 2008-10-08 |
| JPWO2004059608A1 (ja) | 2006-04-27 |
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