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Illumination light source device including a reflecting-transmitting
element, projection device including the...
An illumination light source device includes a reflection-transmission wheel provided on a light-path from an excitation light source and having a transmission...
Image displaying device and method
An image displaying device includes a light diffuser and an image superposing unit. The light diffuser includes an incident side and an emergent side. The image...
Methods and apparatus for imaging without retro-reflection using a tilted
image plane and structured relay optic
A non-retro-reflective imaging system and methods in which a relay optic is configured to segment a source image into a plurality of slices and reimage each of...
An lighting device capable of efficiently dissipating heat generated by a light emitting section without exposing a heat dissipating section to the appearance...
Nanosecond liquid crystalline optical modulator
An optical modulator includes a liquid crystal cell containing liquid crystal material having liquid crystal molecules oriented along a quiescent director...
Multiple glazing having variable diffusion by liquid crystals, and method
for manufacturing same
A liquid-crystal multiple glazing including a first glass sheet and a second glass sheet that is sealed by a sealing gasket, first and second electrodes with...
Display panel and display device
A display panel for a display device having a backlight module includes a first substrate, a plurality of data lines, a plurality of pixel electrodes, a...
Liquid crystal display
According to one embodiment, a display includes a first substrate including a scan line, a signal line, a pixel electrode including first electrodes extending...
Liquid crystal display
A liquid crystal display includes: a thin film transistor array panel; a counter panel opposite to the thin film transistor array panel; a liquid crystal layer...
A display panel includes a first substrate, a second substrate and an electrode layer including at least a first part and a second part. The first part includes...
Liquid crystal panel and liquid crystal display apparatus
The present invention provides a liquid crystal panel in which warping is controlled. The liquid crystal panel includes a liquid crystal cell 20, a first...
Shadow casting alignment technique for seamless displays
A method for aligning optical layers of a multi-layer display includes displaying a dark screen image on each of a plurality of transmissive pixel arrays...
Acousto-optical tunable filter element
An acousto-optical filter element (114) is provided which has an acousto-optical crystal (118) having an acoustic signal transmitter (120) for generating...
Optical isolator, attenuator, circulator and switch
An optical device comprising a first combination of birefringent prisms with parallel optic axes for dividing an optical input beam into polarized beams, a...
Optical waveguide and optical device based on the same
Disclosed is a technology related to an optical waveguide which is insensitive to an ambient temperature and is capable of adjusting a wavelength error due to a...
Modular interchangeable facades for eyewear
A modular facade and eyewear includes: a) a central frame with two eyeglass supporting members, lens and a bridge member; b) lenses, c) at least two temple...
A method comprising: performing eye exam to a subject having a first and second eye; determining a prescription for the first and second eyes, the prescription...
Spectacle frame having rotating arms
The frame includes a front surface (10) that is extended by two side tenons (12) and two arms (30) that are hinged onto the tenons (12) about the hinge axes...
Modular eyeglasses with interchangeable temples and facades
A modular eyewear with multiple interchangeable components includes: a) a central frame with two eyeglass supporting members, lens and a bridge member; b)...
Optical apparatus with movable member for shake correction
An image shake correction device capable of reducing a sliding friction force occurring with movement of a movable member, thereby reducing load on a drive unit...
Diffractive optical element and image pickup optical system
A diffractive optical element that is used for an optical system includes a first diffraction grating and a second diffraction grating. The first and second...
Controllable waveguide for near-eye display applications
A near-eye display includes an image generator that generates angularly related beams over a range of angles for forming a virtual image and a waveguide that...
An illumination system including at least one light source such as an electroluminescent element, e.g. a light emitting diode (LED), and at least one optical...
Display apparatus, variable parallax barrier module, and display method
A display apparatus including a display module, a variable parallax barrier module, and a control unit is provided. The display module is configured to provide...
Moire reducing optical substrates with irregular prism structures
An optical substrate has a structured surface that enhances brightness and reduces moire effect. The optical substrate has a three-dimensionally varying,...
Uniformity adjustment method for a diode-laser line-projector
In a line projector a diode-laser beam having an elliptical cross-section is projected onto a Powell lens which spreads the beam to form a line of light....
Peripheral lighting for head worn computing
Aspects of the present invention relate to head worn computing lighting systems and stray light control.
Virtual image display device
A half mirror layer has an angle dependency in which when an angle of incidence becomes larger than the angle of incidence range of image light, reflectance...
Head-up display device
A head-up display device which can reduce heat generation and perform efficient control by controlling a drive current of a motor is provided. After a combiner...
The present invention provides a projection display (10) for projecting a color image to a viewer (12) overlaid on a real world scene viewed through the...
Head-up display having an image-generating device for generating an image
and optical system for projecting the...
A head-up display includes an image-generating device for generating an image and an optical system for projecting the image onto a windshield of a vehicle. A...
Volumetric heads-up display with dynamic focal plane
A heads-up display device for displaying graphic elements in view of a user while the user views an environment through a display screen. The heads-up display...
Display assembly, in particular a head mounted display
A display assembly, comprising: a display device (30); a microlens array (34); and an eye tracker (8), for example a pupil tracker (8), and/or a head tracker;...
Light blocking plate and lens assembly including the same
A light blocking plate is adapted for being installed on a lens wherein the lens has an optical portion and a positioning portion surrounding the optical...
Circuits for controlling display apparatus
The invention relates to methods and apparatus for forming images on a display utilizing a control matrix to control the movement of MEMS-based light modulators.
Electrode configuration for an electrowetting display device
In examples, an electrowetting element comprises an electrode for use in applying a voltage for controlling a configuration of first and second fluids which are...
Binocular apparatus and method
A binocular-type viewing apparatus designed in such a manner that a user, wanting to view an object located at a distance above the viewer's horizontal line of...
Magnifying observation apparatus, and image display method and microscopy
switching method thereof
A magnifying observation apparatus includes a switching unit for switching between a plurality of microscopies, an image generating unit for generating an image...
Rotary flexure micropositioning stage with large rotational range
A stage assembly for supporting articles, the stage assembly uses one or more intermediate stage modules. Each module has a plurality of compound radial...
Automatic focusing method for an optical instrument for magnified viewing
of an object
A focusing method for an optical instrument for magnified viewing of an object includes producing at least two images with different focal positions and...
Z-axis optical focusing mechanism
A Z-axis focusing mechanism having a scanner and a prism whose front and rear faces are not normal to the direction of travel of a light beam prior to the light...
Zoom lens and image pickup apparatus including the same
A zoom lens including, in order from an object side, positive, negative, positive, positive, and positive lens units, or positive, negative, positive, positive,...
Optical imaging lens assembly
An optical imaging lens assembly, sequentially arranged from an object side to an image side along an optical axis, comprising: the first lens element with...
Imaging lens and imaging apparatus equipped with the imaging lens
An imaging lens is substantially constituted by five lenses, including: a positive first lens having a convex surface toward the object side; a negative second...
Image forming lens system and image pickup apparatus using the same
An image forming lens system includes a front lens unit having a positive refractive power, and a rear lens unit, and does not include any other lens unit. The...
An optical apparatus includes an image pickup optical system, an evacuating optical system movable between a shooting state and an evacuating state, a first...
One holder of the first and second holders in an optical apparatus has first and second adjustment face groups. The first and second adjustment face groups...
A lens structure is provided. The lens structure comprises a first barrel, at least one guider and a second barrel. The first barrel has a first groove, and...
Optical subassembly with a mount with connection units of directed
A thermally compensated optical subassembly having a rotationally symmetrical optical element and a monolithic mount with a rotationally symmetrical mounting...
Adjustable optical axis control
A device for aligning the optical axis of a camera is disclosed. The optical alignment device comprises a bracket attaching the device to a frame, the frame...