Abstract: A projector includes a first light source, a first light modulator on which first light is incident, a first polarization separator disposed on a first optical path along which the first light emitted from the first light source and entering the first light modulator travels, a first retardation film disposed on the first optical path, a first reflector disposed on the first optical path, and a second light modulator on which second light different from the first light is incident. The first optical path passes through the first polarization separator and the first retardation film, is then deflected back by the first reflector, and reaches the first light modulator via the first retardation film and the first polarization separator. A second optical path along which the second light travels is independent of the first optical path and does not intersect the first optical path.

Abstract: Provided are a display apparatus and an electronic device including the display apparatus. The display apparatus may include a first optical combiner; a second optical combiner spaced apart from the first optical combiner; a first image forming device configured to provide a first image to the first optical combiner; a second image forming device configured to provide a second image to the second optical combiner; and a shared optical system arranged between the first and second optical combiners and the first and second image forming devices, wherein the shared optical system may include a shared optical path through which the first image and the second image are provided the first optical combiner and the second optical combiner, respectively.

Abstract: A Demura system includes a camera module, a distance detection module, a location calibration module and a processing circuit. The camera module is configured to capture images displayed on a non-planar screen during an image-capturing period. The distance detection module is configured to detect the distance between the camera module and the non-planar screen during a test period. The location calibration module is configured to carry the camera module and the distance detection module, adjust the angle of the distance detection module, adjust the angle of the camera module and adjust the location of the camera module. The processing circuit is configured to control the location calibration module according to the data acquired by the distance detection module during the test period so as to move the camera module to a predetermined location.

Abstract: Smaller halftone tiles are implemented on a first modulator of a dual modulation projection system. This techniques uses multiple halftones per frame in the pre-modulator synchronized with a modified bit sequence in the primary modulator to effectively increase the number of levels provided by a given tile size in the halftone modulator. It addresses the issue of reduced contrast ratio at low light levels for small tile sizes and allows the use of smaller PSFs which reduce halo artifacts in the projected image and may be utilized in 3D projecting and viewing.

Abstract: An apparatus including a light source configured to output unpixelated light; an array of reflective pixel control elements configured to selectively reflect incident unpixelated light to produce first pixelated light defining first display content; a pixelated display configured to produce second pixelated light defining second display content; and an optical arrangement configured to direct unpixelated light from the light source to the array of reflective pixel control elements and to combine the pixelated light defining the first display content and the second pixelated light defining the second display content to provide, as an output, third pixelated light defining third display content.

Abstract: Methods for digital content production and playback of an immersive stereographic video work provide or enhance interactivity of immersive entertainment using various different playback and production techniques. “Immersive stereographic” may refer to virtual reality, augmented reality, or both. The methods may be implemented using specialized equipment for immersive stereographic playback or production. Aspects of the methods may be encoded as instructions in a computer memory, executable by one or more processors of the equipment to perform the aspects.

Abstract: A projection device and an information processing method are described. The projecting device includes a display image generation unit for generating a plurality of frames of the continuous images to be displayed; a light source unit for receiving the plurality of frames of the continuous images to be displayed generated by the display image generation unit and forming a corresponding set of the light rays sequentially; a light path transformation unit having N kinds of optical states, N is the natural number greater than 1; a projecting unit for projecting the light rays inputted to it to the first to Nth projection regions; and a control unit for controlling the light source unit so that the images to be displayed are switched in a predetermined frequency, and for controlling the light path transformation unit so that the N kinds of optical states are switched in the predetermined frequency.

Abstract: In an electro-optical device, a relay electrode (first electrode) includes a conduction section that overlaps the projection portion of an inter-layer insulation film, and the conduction section is exposed from the surface (flat surface) of the inter-layer insulation film. An insulation film which has a film thickness thinner than the height of the projection portion is formed on the surface (flat surface) of the inter-layer insulation film, and a pixel electrode is electrically conducted to the conduction section through the opening of the insulation film. In this case, since the opening is shallow, a large uneven part is hardly generated on the surface of the pixel electrode.

Abstract: A multi-DMD projection system uses an extended X-cube color splitting/recombining prism to implement splitting and recombining functions at different sections of the cube. Light directed from a white light source is split into red, green and blue components in a lower section of the cube. The components are directed to respective first, second and third DMDs for separate modulations and reentered into the X-cube prism by TIR prism for recombining at an upper section of the cube.

Abstract: Dual or multi-modulation display systems comprising a first modulator and a second modulator are disclosed. The first modulator may comprise a plurality of analog mirrors (e.g. MEMS array) and the second modulator may comprise a plurality of mirrors (e.g., DMD array). The display system may further comprise a controller that sends control signals to the first and second modulator. The display system may render highlight features within a projected image by affecting a time multiplexing scheme. In one embodiment, the first modulator may be switched on a sub-frame basis such that a desired proportion of the available light may be focused or directed onto the second modulator to form the highlight feature on a sub-frame rendering basis.

Abstract: A projection device includes a first and a second tilting mirror matrix, each including a plurality of tilting mirrors. A cover glass covers the tilting mirrors. An imaging lens system includes a relay lens system which images the tilting mirrors of the first tilting mirror matrix onto the tilting mirrors of the second tilting mirror matrix. Thus light reflected by the tilting mirrors of the first tilting mirror matrix onto tilting mirrors of the second tilting mirror matrix, and a projection lens system, which projects light reflected by tilting mirrors of the second tilting mirror matrix, in order to produce an image, is provided. The imaging lens system further includes a correction element which corrects at least one image error caused by the light obliquely passing through the cover glasses.

Abstract: Disclosed herein are optical projection systems and related methods for projecting imagery employing shifting image position in-time to mitigate speckle. Exemplary optical systems may include a projector having a light source, a relay lens and at least one projection lens for projecting images. The relay lens or the projection lens may have at least one lens element that may be translated in-time substantially orthogonal to the optical axis of the optical system. Alternatively, the projection lens in its entirety may be shifted in-time to reduce speckle. Further, in stereoscopic embodiments, two projection lenses may be employed, wherein at least one element in each projection lens is moveable to shift the image in-time to reduce speckle. Moreover, electronic compensation, such as electronic addressing or image warping, for the image shifting may be employed to shift the image in a direction opposite to the speckle-reducing shift in position.

Abstract: There is provided a light-guide, compact collimating optical device, including a light-guide having a light-waves entrance surface, a light-waves exit surface and a plurality of external surfaces, a light-waves reflecting surface carried by the light-guide at one of the external surfaces, two retardation plates carried by light-guides on a portion of the external surfaces, a light-waves polarizing beamsplitter disposed at an angle to one of the light-waves entrance or exit surfaces, and a light-waves collimating component covering a portion of one of the retardation plates. A system including the optical device and a substrate, is also provided.

Abstract: A projection device includes a first and a second tilting mirror matrix, each including a plurality of tilting mirrors. A cover glass covers the tilting mirrors. An imaging lens system includes a relay lens system which images the tilting mirrors of the first tilting mirror matrix onto the tilting mirrors of the second tilting mirror matrix. Thus light reflected by the tilting mirrors of the first tilting mirror matrix onto tilting mirrors of the second tilting mirror matrix, and a projection lens system, which projects light reflected by tilting mirrors of the second tilting mirror matrix, in order to produce an image, is provided. The imaging lens system further includes a correction element which corrects at least one image error caused by the light obliquely passing through the cover glasses.

Abstract: A system and apparatus for dynamically distributing light are provided. The apparatus includes a source conduit configured to collect light from a light source and transmit the collected light for emission towards an optical switch. The optical switch is moveable between several discrete resting positions, each corresponding to a different one of a plurality of projector conduits. In each resting position, the optical switch directs light from the source conduit to a corresponding projector conduit. Each projector conduit receives the directed light from the optical switch and transmits the light to a corresponding one of a plurality of projectors. The optical switch is also configured to rest at each of the resting positions for respective portions of a given period of time, to regulate what amount of the light emitted by the source conduit during the period of time is received by each projector conduit.

Abstract: Dual or multi-modulation display systems comprising a first modulator and a second modulator are disclosed. The first modulator may comprise a plurality of analog mirrors (e.g. MEMS array) and the second modulator may comprise a plurality of mirrors (e.g., DMD array). The display system may further comprise a controller that sends control signals to the first and second modulator. The display system may render highlight features within a projected image by affecting a time multiplexing scheme. In one embodiment, the first modulator may be switched on a sub-frame basis such that a desired proportion of the available light may be focused or directed onto the second modulator to form the highlight feature on a sub-frame rendering basis.

Abstract: A digital PSF for use in a dual modulation display. The invention allows the use of less than optimal point spread (PSF) functions in the optics between the pre-modulator and primary modulator of a dual modulation projection system. This technique uses multiple halftones per frame in the pre-modulator synchronized with a modified bit sequence in the primary modulator to produce a compensation image that reduces the errors produced by the sub-optimal PSF. The invention includes the application to dual modulation and dual modulated 3D viewing systems.

Abstract: A method and apparatus for increasing the effective contrast ratio and brightness yields for digital light valve image projectors using a variable luminance control mechanism (VLCM), associated with the projector optics, for modifying the light output and provide a correction thereto; and an adaptive luminance control module (ALCM) for receiving signals from the video input board, the adaptive luminance control module producing a signal on a VLCM bus connecting the variable luminance control mechanism and the adaptive luminance control module, the signal causing the variable luminance control mechanism to change the luminance of the light output and provide a corrected video signal for the projector.

Abstract: A projector having an illumination modulator to modulate the intensity of the light in a pixel-individual manner, a projection lens projecting the light being modulated in a pixel-individual manner onto an image modulator to generate the image to be projected such that each illumination pixel is associated with at least one image pixel. A controller which generates illumination control data and generates image control data for the image modulator.

Abstract: A projector includes a liquid crystal light valve to which the image data is written in a line sequential manner, a polarization switching element for switching between the first and second polarization states throughout the switching areas in a line sequential manner, and a birefringent optical element for changing the light path of the incident light in accordance with the polarization state thereof. The boundary position between the switching areas of the first and second polarization states moves in sync with the boundary position between the first and second image data writing areas corresponding to the first and second sub-frame.

Abstract: An image displaying apparatus, comprising: a first light modulator unit, which is configured to modulate a light incident thereon, responding to a first video signal, thereby to form a first image; one or a plural number of second light modulator units, which is/are configured to modulate a light from a light source, responding to a second video signal; and an enlarged image forming unit, being disposed on a light incidence side of the first light modulator unit, upon which a light modulated within the second light modulator unit is projected, enlargedly, thereby to form a second image thereon, wherein upon the first light modulator unit is incident the light of the second image formed on the enlarged image forming unit, and the first image is formed through modulation of the light of the second image responding to the first video signal.

Abstract: A projection display apparatus includes: a red imager; a green imager; a blue imager; a polarization adjusting element; a color combining unit; and a controller. A superimposed component light enters the polarization adjusting element together with the fourth color component light. The polarization adjusting element transmits the superimposed component light, whereas transmitting the fourth color component light by adjusting the polarization of the fourth color component light in accordance with switching between a low voltage applied state and a high voltage applied state. The controller controls re-orienting operation of applying a high voltage to the polarization adjusting element.

Abstract: An object management apparatus comprising an image photographing unit, a storage unit, and a control unit communicably connected to at least one operation target device and a mobile terminal including a displacement detecting unit that detects a displacement of a physical quantity caused when the mobile terminal moves and a display unit via a network, wherein the storage unit includes, a display object storing unit, an operation target object storing unit, and a processing command storing unit, and the control unit includes, a display object transmitting unit, a mobile terminal position acquiring unit, an region determining unit, an operation target object determining unit, a processing command determining physical quantity displacement receiving unit, a display object acquiring unit, a processing command searching unit, and a processing command executing unit.

Abstract: At least one exemplary embodiment is directed to a projector which includes several optical elements, reflective devices and beam splitters, arranged to reduce back reflection effects. At least one exemplary embodiment includes a mirror, two beam splitters, three reflection devices, and two optical elements affecting polarization of incident light upon the optical elements.

Abstract: A system and method for gamut mapping out-of-gamut signals. A method includes adjusting each color in a color signal, determining a maximum color value of the color signal, in response to a determining that the maximum color value exceeds a maximum displayable color value, scaling color values of colors not having the maximum color value, and setting the color value of the color having the maximum color value to be equal to the maximum displayable color value. The method further includes leaving the color values of the colors in the color signal unchanged in response to a determining that the maximum color value does not exceed the maximum displayable color value. The scaling of color values not equal to the maximum color value results in a maintaining of a proper hue of the color signal, thereby not introducing color artifacts and other forms of color noise.

Abstract: There are provided a write light valve for generating image-writing light by modulating write light, a driver for writing images into the write light valve based on image data, read light valves for each color for generating respective color image lights by modulating each received color illumination light, an imaging lens group for guiding the image-writing light emitted from the write light valve to the respective read light valves, a dichroic cube for combining together color image lights emitted from the respective read light valves, a projection lens for projecting each color image light combined together. The imaging lens group has a distortion aberration which reduces or cancels out a distortion aberration of the projection lens.

Abstract: A system and method for uniform light generation in projection display systems. An illumination source comprises a light source to produce colored light, and a scrolling optics unit optically coupled to the light source, the scrolling optics unit configured to create lines of colored light from the colored light, and to scroll the lines of colored light along a direction orthogonal to a light path of the illumination source. The scrolling optics unit comprises a single light shaping diffuser to transform the colored light into the lines of colored light, an optical filter positioned in the light path after the light shaping diffuser, and a scrolling optics element positioned in the light path after the optical filter. The single light shaping diffuser is capable of simultaneously transforming colored light into lines of colored light having substantially uniform intensity to provide uniform illumination.

Abstract: System and method for thin projection display systems. An embodiment comprises a light source, an array of light modulators optically coupled to the light source, a lensed mirror optically coupled to the array, and a controller electronically coupled to the array and to the light source. The array produces images on a display plane by modulating light from the light source based on image data and the controller provides light commands to the light source and load image data into the array. The lensed mirror reflects modulated light from the array onto the display plane, the lensed mirror comprising a refractive portion and a reflective portion. The refractive portion of the lensed mirror helps to increase the light bending capability to help reduce the overall thickness of a projection display system.

Abstract: In accordance with the teachings of the present disclosure, a method and system for controlling spatial light modulator buses are provided. In accordance with one embodiment of the present disclosure, a bus controller includes a configurable bus interface having first and second modes of operation. The first mode of operation is configured to interface with a single spatial light modulator. The second mode of operation is configured to interface in parallel with a plurality of spatial light modulators. In accordance with another embodiment of the present disclosure, a method of controlling a bus includes configuring a bus interface of a bus controller to interface in parallel with a plurality of digital micromirror devices.

Abstract: An image display device includes a first optical modulator that modulates a plurality of color lights coming from a light source, a color combination member that combines the color lights, a second optical modulator that modulates a light provided by the color combination member as a result of the color light combination, and a relay optical system that is disposed between the color combination member and the second optical modulator. The replay optical system guides the light provided by the color combination member to the second optical modulator. A light transmissive member is disposed between the relay optical system and the second optical modulator, and allows optical path conditions from the first optical modulator to the relay optical system via the color combination member to be substantially the same as optical path conditions from the relay optical system to the second optical modulator.

Abstract: A projection apparatus includes a light source for emitting a light including at least two different wavelengths; a light source control circuit for controlling a light source to emit the light as pulse emissions with a pulse modulation control; at least two spatial light modulators each comprises plurality of pixel elements are arranged in an array; a spatial light modulator control circuit for selectively controlling a modulation state of the respective pixel elements in each of the spatial light modulators in accordance with image data corresponding to the respective pixel elements; and the light source control circuit controls the light source so that a starting time of a pulse emission period of the pulse emissions of at least one of the wavelengths emitted from the light source is different from a modulation control timing of the pixel element of the spatial light modulator.

Abstract: An illumination apparatus includes: a red light valve configured to modulate red component light according to a red input signal; a green light valve configured to modulate green component light according to a green input signal; a blue light valve configured to modulate blue component light according to a blue input signal; a fourth color light valve configured to modulate a fourth color component light; and a color combiner configured to combine light emitted from the red light valve, the green light valve and the blue light valve. The fourth color component light emitted from the fourth color light valve enters a certain light valve, which is any one of the red light valve, the green light valve and the blue light valve.

Abstract: A method for forming a pattern, comprises: forming a bank film on a substrate; performing a lyophobic treatment on a surface of the bank film; patterning the bank film on which the lyophobic treatment has been performed to form a bank; performing a surface modification treatment in which a hydroxyl group on a surface of a pattern forming region partitioned by the bank is alkylated; disposing a functional liquid in the pattern forming region; and firing the functional liquid to form a pattern.

Abstract: A miniature projector module includes: a light source unit capable of emitting source light with first and second polarizations; a polarization beam splitter capable of reflecting the source light with the first polarization, and permitting transmission of the source light with the second polarization therethrough; a first image modulator capable of converting the source light with the first polarization reflected by the beam splitter into image light with the second polarization, and directing the image light with the second polarization toward the beam splitter for further transmission therethrough; a second image modulator capable of converting the source light with the second polarization transmitted through the beam splitter into image light with the first polarization, and directing the image light with the first polarization toward the beam splitter for further reflection thereby; and a projector lens for receiving and projecting the image light from the beam splitter.

Abstract: Exemplary embodiments of the present invention provide a light propagation characteristic control apparatus which extends the light-intensity dynamic range and the number of levels, and are suited for enhancing image quality and reducing the size and generation time of tables. Exemplary embodiments provide a projection display apparatus that tentatively decides a transmissivity T2 of each pixel of a color-modulation light valve depending upon HDR display data, and decides a transmissivity T1 of each pixel of an intensity-modulation light valve depending upon a tentatively decided transmissivity T2 and the HDR display data, and a control value of each pixel of the intensity-modulation light valve depending upon a decided transmissivity T1. Depending upon a decided transmissivity T1 and the HDR display data, transmissivity T2 is decided of each pixel of the color-modulation light valve. Depending upon a decided transmissivity T2, a control value is decided of each pixel of the color-modulation light valve.

Abstract: A transmissive LCD is placed in optical series with pixels of an image. The transmissive LCD is set to full transmissivity when bright pixels of the image pass through the transmissive LCD. Transmissivity is decreased where pixels darker than a darkening threshold pass through the transmissive LCD. A darkening curve representative of an amount of darkening performed by the transmissive LCD provides an amount of darkening to be performed on each pixel. Preferably, the darkening curve gradually darkens pixels more as the pixels themselves are darker. The darkening curve may be implemented as a formula or a look-up table in software or drive electronics that energize the transmissive LCD. Both the darkening threshold and the darkening curve may be user selectable.

Abstract: A projection apparatus (10) has an LC modulator panel (60) with photoresponsive layer, segmented into at least first, second, and third portions, each spatially separated. An image writing section (120) forms a first, second, or third image within the corresponding portion of the LC modulator panel by scanning successive lines of image writing light to energize the photoresponsive layer (316). The image writing section has at least one grating electromechanical system for modulating incident emission from a narrow-band light source (70) by providing diffracted and non-diffracted orders and a scanning element for directing a line of light thus formed toward the LC modulator panel to energize the photoresponsive layer. An illumination section (130) directs first, second, and third illumination beams for modulation by the respective portions of the LC modulator panel.

Abstract: An image display device that displays an image by modulating a light from a light source according to display image data, includes: a first light modulation element that modulates a light emitted from the light source; and a second light modulation element that is disposed on an optical path in series with the first light modulation element and modulates a light exiting from the first light modulation element, wherein the first light modulation element and the second light modulation element are disposed in such a manner that a bright-field direction of an optical image of the first light modulation element and a bright-field direction of the second light modulation element almost coincide with each other.

Abstract: A projection apparatus (10) has an LC modulator panel (60) with photoresponsive layer (316), segmented into a first, second, and third portion, each spatially separated. An image writing section (120) forms a first, second, or third image within the corresponding portion of the LC modulator panel by scanning successive lines of image writing light to energize the photoresponsive layer. The image writing section has at least one grating electromechanical system for modulating a narrow-band light source (70) by providing diffracted and non-diffracted orders and a scanning element (98) for directing a line of light toward the LC modulator panel to energize the photoresponsive layer. An illumination section (130) directs the illumination beams for modulation by the LC modulator panel. Polarizing beamsplitter (24r, 24g, 24b), polarize and direct the illumination beams toward the LC modulator panel and directs modulated light toward projection lens (32).

Abstract: A projection assembly includes a dichroic beam splitter having first and second crossed dichroic surfaces, at least one interference type light modulator panel optically coupled to the dichroic beam splitter, and at least one filter at least partially between the light modulator panel and the dichroic beam splitter.

Abstract: A light modulator includes a control unit configured to receive an image input signal, and an array having a plurality of pixels arranged in a plurality of rows. The control unit is configured to provide a first address associated with the image input signal to the array in response to detecting a first mode of operation, and the control unit is configured to provide a second address associated with the image input signal to the array in response to detecting a second mode of operation. The array is configured to drive a first one of the plurality of rows in response to receiving the first address, and the array is configured to drive the first one of the plurality of rows and a second one of the plurality of rows in response to receiving the second address.

Abstract: A laser television including a plurality of lasers for generating different wavelengths of interferential light; a scanner for displaying color images on a screen composed from the light; and a phase diffuser positioned between the lasers and the scanner for diffusing the light from the lasers according to the light's wavelength. The phase diffuser having a boundary surface, through which the light is outputted to the scanner. The boundary surface is slanted with a predetermined angle to regulate the range of diffraction of the light according to the wavelength.

Abstract: A projection-type display device 1 including a light source 10, an optical integrator 20, dichroic mirrors 30 and 35, a reflecting mirror 36, a relay optical system 40, parallelizing lenses 50B, 50G and 50R, liquid crystal light valves 60B, 60G and 60R, incident side lenses 70B, 70G and 70R, a light-synthesizing cross dichroic prism 80, a relay lens 90, an emergent side lens 95, a liquid crystal light valve 100 and a projection lens 110, and liquid crystal light valve 100 is provided in the rear stage of liquid crystal light valves 60B, 60G and 60R.

Abstract: Aspects of the invention can provide an image display apparatus for displaying an image by modulating light from a light source based on display image data. The apparatus can include a first light modulator device can modulate light from the light source, a second light modulator device that can modulate the light from the first light modulator device, and a polarization compensation system disposed between the first light modulator device and the second light modulator device for compensating a polarization state of light.

Abstract: At least one exemplary embodiment is directed to a projector which includes several optical elements, reflective devices and beam splitters, arranged to reduce back reflection effects. At least one exemplary embodiment includes a mirror, two beam splitters, three reflection devices, and two optical elements affecting polarization of incident light upon the optical elements.

Abstract: A reflection-type laser projector (100) projects modulated laser beams outputted from a laser projection unit (40), on a screen, wherein a reflector (112) as a constituent of the screen (110) has reflection characteristics of reflecting, among the incident light, only laser beams of three colors of red, blue, and green, which are projected from the laser projection unit (40) and light in the neighboring wavelength band, and transmitting light in other wavelength bands, thereby preventing pictures on the screen (110) from becoming hard to be seen due to effects of indoor illumination or light from outdoors.

Abstract: A projection system is provided with a controller equipped to drive light emitting devices of a light source of the projection system in a manner that enhances the operational life of the light emitting devices, the ability to provide peak white, and/or finer gray scale.

Abstract: An image projector system includes an LED controller and first and second LEDs, a dichroic mirror. The LED controller controls the first and the second LED to emit first and second color lights, respectively. The second color light is of high luminance and is decomposed by a dichroic mirror into third and forth color lights having luminance close to that of the first color light. Each color light is guided through a light valves to adjust the spectral transmittance of the color light. A light-combining device, such as an x-cube, receives and combines the first color light, the third color light, and the forth color light, to form light images, and transmits the images to a display through a projector lens.

Abstract: Projection assemblies are provided herein for use in a display system. According to one exemplary embodiment, the projection assembly includes an illumination source and a plurality of co-planar modulator panels. A method of modulating light is also provided herein that includes generating multi-component light, splitting the multi-component light into a plurality of component beams, and modulating the component beams with a plurality of co-planar modulator panels to form a plurality of sub-images.

Abstract: The addition of DMD illumination modulator(s) 702 in series with projection SLM(s) 706/709 to produce high-performance projection displays with improved optical efficiency, reliability, and lower maintenance requirements. This approach eliminates the vibration, audible noise, and safety problems associated with high speed rotating color filter wheels 203 commonly used in SLM projectors and controls the light applied to individual areas of the projection SLM(s).