Abstract:
An image projection system comprises a micro-electromechanical system (MEMS) package wherein the MEMS package further includes: a first substrate and a second substrate joined together at a joinder surface applied with a ponder material thereon to provide an internal space to contain and package a MEMS device therein, wherein at least one of the first and second substrate is configured to have a an inclined surface near the joinder surface.
Abstract:
A micromirror device comprises a plurality of mirrors arranged on a substrate, an elastic hinge for supporting any each of the mirrors to be deflectable in a plurality of directions, an electrode arranged to face the mirror, and a driving circuit, which is connected to the mirror via the elastic hinge, for applying to the mirror an address voltage for independently controlling the deflection of the mirror.
Abstract:
An image projection device receives a light emitted from a light source through an illumination optic for projecting to a spatial light modulator (SLM) having a plurality of deflectable micromirrors The micromirrors further formed with a sub-wavelength microstructure on a reflective surface of the micromirrors having a reflection guided mode resonant grating to take advantage of an ultra-fine processing technology available in recent years used in semiconductor manufacture and micro-machining to fabricate a sub-wavelength grating (SWG) having a pitch between the grating ridges that is smaller than the wavelength of light.
Abstract:
The present invention provides a spatial light modulator, comprising: a pixel array comprising a plurality of pixel elements; a plurality of word lines each connected to a row of pixel elements; a plurality of plate lines; and a plurality of bit lines each connected to a column of pixel elements, wherein each of the pixel elements further comprises a memory and an electrode connected to the memory, wherein the memory is connected to the word line and the word line is further connected to the plate line.
Abstract:
The present invention provides a spatial light modulator, comprising: a plurality of pixel elements; a first control circuit for supplying control signal data to each of the pixel elements in a time slot having a predetermined time interval to control and apply a first control process to operate the pixel element; and a second control circuit for applying a second control process in the time slot to operate each of the pixel elements wherein the second control process is different from the first control process.
Abstract:
The present invention provides a spatial light modulator, comprising a mirror modulating a light emitted from a light source, wherein the mirror is further controlled to operate with at least three stationary states whereby an image is projected with a gray scale expression through a combination of modulation of the light operated in the three stationary states.
Abstract:
A color display apparatus includes a color changeover unit for changing over colors of an illumination light or a projection light, and a control circuit for applying a video signal for generating a control signal for controlling a spatial light modulator, wherein the control circuit further applying the video signal for generating a control signal during a transition period when the illumination and/or the projection light are projected with a first color coexisting with a second color as the color changeover unit changing over the colors of the illumination light or projection light from the first color to the second color.
Abstract:
A projection apparatus comprising a light source for emitting incident light and a mirror device that includes a plurality of mirror elements each guiding the incident light to the ON position towards a projection light path under pulse width modulation (PWM) control corresponding to one frame or sub-frame or to the OFF state so as not to guide the incident light to a projection path. The light source is turned off outside the period in which the mirror element with the maximum brightness is in the ON state.
Abstract:
A display system includes a spatial light modulator for displaying an image by the modulation state of a plurality of micromirrors, and a control device for controlling the spatial light modulator. The control device includes a data conversion device for converting all or a part of the digital image data input to the display system into non-binary data, and a modulation-control device for generating a modulation control signal for micromirrors depending on the non-binary data, and a modulation-control device for controlling the spatial light modulator. The modulation state of the micromirrors by the modulation control signal includes modulation by oscillation of the micromirrors. The modulation-control device controls a voltage value of the modulation control signal to be applied to the driving electrode of the micromirror such that the amplitude of the oscillation can be smaller than the maximum amplitude of the micromirrors in the modulation by the oscillation of the micromirrors.
Abstract:
The present invention provides a projection display system comprising: illumination lights of plural colors emitted from plural laser light sources; an illumination optical system for illuminating the illumination light of at least one of the colors in an beam axis or in an illumination range, either of which is different from the other colors; a deflection mirror device for modulating the illumination lights of respective colors in the same deflection angle, with the modulation of each color being performed in sequence within one frame; a projection optical system for projecting the reflection light of the illumination light from the deflection mirror device; and a laser light source control circuit for controlling the intensity of the illumination light of each color, wherein the laser light source control circuit performs adjustment so that the ratio of intensity of each of the colors is a prescribed ratio.