Abstract: A three-dimensional liquid crystal shutter glasses includes a frame and two lenses, where the frame includes two sub-frames, the two lenses can be deposed on the two sub-frames in any one of a plurality of specific angles, respectively, and the plurality of specific angles are for a user to watch a plurality of types of monitors whose images have different polarization directions.

Abstract: A head mount display includes: an image display unit at which an image is displayed; an arm that supports the image display unit while allowing an orientation of the image display unit to be adjusted; a mounting unit that supports the arm and is used to attach the head mount display to a user; and a protective member extending from the arm to range on an outer side relative to the image display unit to protect the image display unit. The image display unit is positioned between the head of the user, to which the mounting unit is attached, and the protective member.

Abstract: According to one embodiment, a liquid crystal composition includes a liquid crystal material and a polymer. The liquid crystal material exhibits a blue phase. The polymer has a first repeating unit containing a fluorine atom and an acrylic group.

Abstract: A system and method for flight training and evaluation of pilots comprises electronically activated vision restriction glasses that detect the pilot's head position and automatically darken and restrict the pilot's ability to see through the front and side windscreens when the pilot-in-training attempts to see out the windscreen. Thus, the pilot-in-training sees only within the aircraft cockpit, forcing him or her to fly by instruments in the most restricted operational mode.

Abstract: The present invention provides active shutter glasses, passive glasses, and a stereoscopic image projection system, with which a viewer wearing polarizing sunglasses can enjoy improved visibility. The active shutter glasses comprises: a shutter for a right eye; and a shutter for a left eye, wherein the shutters for a right eye and for a left eye each have a liquid crystal cell and a linearly polarizing element, the linearly polarizing element is provided in each shutter on an inner side than the liquid crystal cell is, the linearly polarizing element has a transmission axis direction set in the vertical direction when the glasses are worn.

Abstract: Disclosed is an optical device which includes: optical components configured to be electrically actuated such that light transmission states are variable; a driver circuit for the optical components; a power source unit for driving the optical components; rims for supporting the optical components; temples having front and rear ends and connected at the front ends to the rims; and earpieces formed at the rear ends of the temples. The power source unit includes a secondary battery, and a charge/discharge circuit for controlling charge and discharge of the secondary battery. The secondary battery is provided near the rear end of the temple or in the earpiece.

Abstract: The present invention provides active shutter glasses and a stereoscopic image projection system that allow a stereoscopic image of excellent display quality to be viewed. The present invention provides active shutter glasses for a stereoscopic image projection system in which the active shutter glasses include a shutter section for the right eye and a shutter section for the left eye, the shutter section for the right eye and the shutter section for the left eye each include a liquid crystal cell, and when the glasses are worn, viewing angles of the shutter section for the right eye and the shutter section for the left eye each are wider on the right and left sides than on the upper and lower sides.

Abstract: A beam-scan display apparatus (10) displays an image by scanning a beam on a retina of a user, the beam-scan display apparatus (10) includes a case (11) housing (i) a light source (101) emitting a beam for drawing each of pixels constituting the image, and (ii) a scan unit (103) two-dimensionally scanning the beam emitted from the light source (101). Further, the beam-scan apparatus includes a contact lens (12) having a deflection unit (104) deflecting, toward the retina of an eye of the user wearing the case (11), the beam scanned by the scan unit (103), wherein the contact lens (12) is separate from the case (11).

Abstract: A stereo image display device includes an image display unit for displaying a parallactic image having a right-eye image and a left-eye image on a display plane, a parallactic image selecting unit for making only the right-eye image of the parallactic image reach the right eye of a viewer and making only the left-eye image of the parallactic image reach the left eye of the viewer to thereby make the viewer view a stereo image, an eye fatigue degree detecting unit for detecting the eye fatigue degree of the viewer, and an eye fatigue relaxation processing unit for carrying out eye fatigue relaxation processing for relaxing the eye fatigue of the viewer.

Abstract: The present disclosure relates to a pair of 3D glasses and a 3D video playing apparatus. A quarter-wave phase plate is provided at the end of a liquid crystal display (LCD) and the end of the pair of 3D glasses respectively so that the light propagates in the form of the circularly polarized light from a 3D display device to the pair of 3D glasses. Thereby, the technical shortcoming of a decreased luminance of an image or even failure to form an image due to an inappropriate angle included between the pair of 3D glasses and the 3D display device is overcome.

Abstract: Inclination of an image display unit is prevented at the time of using a wearable display unit in which the image display unit can move between a projection position where the image display unit comes in front of a user's eye and a retracted position where the image display unit has been retracted from the front of the user's eye. A display support member 27 is prevented from rotating in relation to a display support member housing part 31 in a direction included in a plane perpendicular to the longitudinal direction of the display support member 27, even in a state that the display support member can move. To that end, grooves 28a, 28b extending in the longitudinal direction are formed in the display support member 27, while guide rollers 34a, 34a in contact with these grooves are provided within the display support member housing part 31.

Abstract: 3D liquid crystal shutter glasses include a pair of LCD lenses (1), and a control circuit (100) associated with the LCD lenses. The LCD lens includes an LCD-glass layer (2), a front polarizing filter (3), and a transparent scratchproof layer (4) laminated together. The control circuit includes a sync signal receiver (5), an LCD driver (6) for controlling LCD lenses, a boost circuitry (7) associated with LCD driver for outputting a drive voltage to the LCD driver, a CPU (8) which is respectively associated with the receiver, LCD driver, and boost circuitry for controlling operation of the same, and a power supply module (11) for powering the control circuit. The lenses prevent light in environment affecting and flaring thereon. The light transmittance of the lenses is approximated to 40%. Accordingly, the 3D glasses present the user brighter and lively image in higher quality, and avoid hurting user's eyesight.

Abstract: The welding filter device includes a light sensor, a microprocessor, a liquid crystal display, and a user interface. The light sensor senses light to generate a welding signal and a light source intensity signal. The microprocessor comprises a determining module, a control module, a regulating module, and a storage module. The determining module receives the welding signal and determines whether to activate a welding mechanism. The control module receives the light source intensity signal and outputs a control signal. The liquid crystal display presents a first display status according to the control signal. The user interface is used to generate a setting signal; wherein when the liquid crystal display presents the first display status, the regulating module receives the setting signal to regulate the settings so that the liquid crystal display presents a second display status. Furthermore, a method for controlling the welding filter device is also disclosed herein.

Abstract: An alignment layer may align molecules of a liquid crystalline material to a surface of a substrate having a diffractive optical power region using a nonlinear alignment. The alignment layer may align the molecules of the liquid crystalline material in one of a tangential alignment, a piecewise tangential alignment, a perpendicular alignment, a piecewise perpendicular alignment, a continuous intra-zone alignment, or a piecewise continuous intra-zone alignment. The nonlinear alignment may result in optimal or near optimal alignment of the liquid crystalline material thereby resulting in improved optics and fewer vision compromises.

Abstract: A sensing device may include a cholesteric crystal device including two optically transparent substrates; a liquid crystal having portions adapted for producing a plurality of optical states, said liquid crystal being arranged between the two optically transparent substrates; an optical sensor for changing optical states of respective portions of said liquid crystal to produce a range of respective optical states including all optical states produced by said liquid crystal ranging from one state to any combination of broadband reflection, tunable narrow band reflection, light scattering, and transparency in accordance with an amount of voltage applied across said cholesteric crystal device for changing optical states.

Abstract: A three-dimensional glasses including a glasses main body, a touch control circuit, a first and a second touch sensing interfaces, a glasses circuit system and a power supplying module is provided. The glasses main body has a first and a second sensing portions. The touch control circuit and the glasses circuit system are disposed in the glasses main body. The first and the second touch sensing interfaces are disposed at the first and the second sensing portions, electrically connected to the touch control circuit, and respectively transmit a first and a second input signals to the touch control circuit. After the touch control circuit receives the first and the second input signals, the touch control circuit transmits a power supplying signal to the power supplying module to drive the power supplying module to supply power to the glasses circuit system. Besides, a power supplying method is also provided.

Abstract: Glasses of present invention includes a frame portion which includes an opening through which an image displayed on a displaying device is viewed with bilateral eyes, a temple portion configured to be capable of being opened and closed against the frame portion and which includes spring material capable of being inelastically deformed, a movable portion arranged at one of the temple portion and the frame portion and which contacts to the other of the temple portion and the frame portion when the temple portion is opened to the maximum while the contacting position is movable, and a contacting portion which is arranged at the other of the temple portion and the frame portion and which contacts to the movable portion when the temple portion is opened to the maximum and varies the maximum open amount of the temple portion corresponding to movement of the movable portion.

Abstract: According to one embodiment, a liquid crystal shutter component includes a first polarizer, a second polarizer, a liquid crystal layer, a first retardation layer, a second retardation layer, a third retardation layer and a fourth retardation layer. A liquid crystal orientation of the liquid crystal layer transitions between a plurality of bend orientation states. The retardation in the direction along the plane of the second retardation layer and the fourth retardation layer is 20 nm or more and 120 nm or less. The retardation along the first direction of the second retardation layer and the fourth retardation layer is 40 nm or more and 140 nm or less.

Abstract: A 3D image display system includes a display equipment and a shutter glasses. The display equipment includes an LCD module. The LCD module has a linear polarizing unit and is able to generate an image light from the linear polarizing unit. The shutter glasses include two liquid crystal optical units, at least one linear polarizing unit, and at least one polarizing optical element. The linear polarizing unit is disposed between the polarizing optical element and the liquid crystal optical units. The image light passes through the polarizing optical element, the linear polarizing unit, and one of the liquid crystal optical units in sequence. When the image light passes through one of the liquid crystal optical units, the other liquid crystal optical unit blocks the image light.

Abstract: An eyeglass (10) is adapted for providing an ophthalmic vision and a supplementary vision to a wearer of said eye-glass, both ophthalmic and supplementary visions being sharp during respective periods. To this purpose, a transparent active device (3) is located between the back face (BF) of the eyeglass and a light-conducting element (2), this latter being embedded within the eyeglass and dedicated to output the light of the supplementary vision. The transparent active device switches between two optical power values, which are dedicated to make sharp the ophthalmic vision and the supplementary vision, respectively.

Abstract: A receiver allows controlling a device to be controlled such as a display device based on reference timing acquired from reception data without delay and with low power consumption, and includes: a communication device receiving data incoming intermittently; a first control circuit analyzing the data received by the communication device to identify the presence of a predetermined reference timing signal pattern in the data; and a timer for counting a clock from an initial value, generating a control signal for the device to be controlled according to a resulting count value, and if the count value reaches a predetermined interval value, resuming counting the clock at the initial value. The timer changes the initial value to reduce a count of the clock between the initial value and the interval value if the first control circuit identifies the predetermined reference timing signal pattern to be present.

Abstract: An electronic eyepiece includes a digital microdisplay and an electrically switchable light blocking mechanism configured to selectively transmit or block light transmitted along an optical path toward the digital microdisplay.

Abstract: A super-twist nematic (STN) liquid crystal (LC) light shutter with improved contrast performance, lower power requirements and enhanced off-axis performance. Compensator components may be disposed in front of and, in some cases, behind the liquid crystal cell. In some embodiments, a STN LC cell with a twist angle of 270 degrees may be used. In other embodiments, a STN LC cell with a twist angle ranging between just greater than 270 degrees and 285 degrees may be used. Also disclosed is a system incorporating the various disclosed STN LC shutters.

Abstract: A display device that includes a housing that houses a display, and a control panel. Control panel and display are connected to a controller disposed inside of the housing. A control device can also be attached to display device. The control device is configured to resemble a welding gun. The control device is also connected to the controller. A viewer, such as welding mask viewer, is be mounted to the housing of display device.

Abstract: The present invention is to provide a three-dimensional video recognition system, a video display device, and active shutter glasses (AS) in which, even when the observer's visual point and the inclination of the observer's face are changed, the reduction in the brightness of the screen can be suppressed, and in which a sufficient shutter effect can be obtained.

Abstract: The invention relates to liquid crystal lenses having dynamically switchable light transmission, including: a shutter (2) including two transparent substrates (21, 22) and a nematic liquid crystal layer (20) arranged between the substrates (21, 22); and a control circuit capable of alternately applying a bias voltage or a relaxation voltage across the liquid crystal to render the shutter (2) clear or opaque, the falling edges between the bias voltage and the relaxation voltage having a duration of 80 to 900 ?s.

Abstract: A viewing system for viewing video displays having the appearance of a three dimensional image.

Abstract: Adjustable variable transmissivity (AVT) eyeglasses for patients. In one embodiment, the eyeglasses include: (1) a frame having earpieces coupled thereto, (2) liquid crystal lenses coupled to the frame and configured to assume a transmissivity in response to a lens control signal, (3) a light sensor coupled to the frame and configured to sense light in a field of view and produce a sensor signal in response thereto, (4) a light plug coupled to the frame and configured to define a field of view and (5) an electronic circuit coupled to the frame and configured to employ the sensor signal to generate the lens control signal.

Abstract: A goggle includes a lens assembly which comprises a front lens, a rear lens spaced apart from the front lens, and a liquid crystal device disposed on one of the lenses. The goggle includes a frame, which defines an aperture and a peripheral channel. The peripheral channel receives the front lens and the rear lens is positioned rearward of the channel so that the aperture receives the lens assembly. A power unit includes a battery and a drive circuit, wherein the drive circuit is connected to a pair of prongs that are electrically connectable to the liquid crystal device for operation thereof. The power unit provides a master switch connected to the battery to control application of power to the drive circuit, and a state change switch to control application of power from the drive circuit, through the prongs, to the liquid crystal device.

Abstract: Monolithic LCS glasses, which comprising: lens module available with two transparent lens in parallel; these two transparent lens consist of the first and second visual areas; a first and a second LCS layer are interconnected and arranged between two transparent lens; a first and a second drive electrode is arranged separately onto these two transparent lens adjacent to the first and second LCS layers; a frame used to support the lens module, comprising of a built-in control circuit; said control circuit is electrically connected with said first and second drive electrodes, and used to control non-synchronized polarization of LCS in the first and second LCS layers via two control signals, such that the first and second visual areas could shield or penetrate the incident light. In the present invention, a two-disc LCS glasses is simplified into a monolithic one, which features simple assembly, lower cost and ease of marketing.

Abstract: There are provided 3D glasses for use in a stereoscopic display device including a display panel for emitting right-eye image light and left-eye image light and an optical filter including a first area for adjusting a polarized state of the right-eye image light and a second area for adjusting a polarized state of the left-eye image light, comprising a right-eye area allowing right-eye image light to pass therethrough and a left-eye area allowing left-eye image light to pass therethrough; and compensation films disposed at the right-eye area and the left-eye area to compensate for a phase difference deviation between the first and second areas of the optical filter, wherein a phase difference value of the compensation film provided at the right-eye area and that of the compensation film provided at the left-eye area are different.

Abstract: Glasses of present invention includes a frame portion which includes an opening through which an image displayed on a displaying device is viewed with bilateral eyes, a temple portion configured to be capable of being opened and closed against the frame portion and which includes spring material capable of being inelastically deformed, a movable portion arranged at one of the temple portion and the frame portion and which contacts to the other of the temple portion and the frame portion when the temple portion is opened to the maximum while the contacting position is movable, and a contacting portion which is arranged at the other of the temple portion and the frame portion and which contacts to the movable portion when the temple portion is opened to the maximum and varies the maximum open amount of the temple portion corresponding to movement of the movable portion.

Abstract: Glasses for use with three-dimensional image display apparatuses include a pair of liquid crystal shutters, a main circuit board to drive them, and a battery. The main circuit board and the battery are disposed at the tip parts provided at the rear ends of the temple parts, and thus the weight of the glasses is distributed to the rear portion thereof, thereby reducing inconvenience in use generated when the load of the glasses for three-dimensional image display apparatuses is concentrated upon a specific region of a user face.

Abstract: A liquid crystal (LC) lens structure and a method of driving same are disclosed. The LC lens structure includes an upper substrate, a lower substrate, a liquid crystal and polymer composite film, and an LC layer. The upper substrate is provided with a first conducive layer and a first alignment layer; and the lower substrate is provided with a second conductive layer and a second alignment layer. The liquid crystal and polymer composite film is arranged at one side of the first alignment layer to form a first lens, and the LC layer is arranged between the liquid crystal and polymer composite film and the second alignment layer to form a second lens. By building the liquid crystal and polymer composite film in the LC lens structure, it is able to realize an LC lens with low operating voltage and large focusing range.

Abstract: Provided is liquid crystal shutter glasses in which light leakage at the time when a liquid crystal shutter is closed is suppressed. The liquid crystal shutter glasses includes a first substrate and a second substrate with a liquid crystal layer containing a liquid crystal material exhibiting a blue phase provided therebetween, a first electrode with a comb shape and a first common electrode with a comb shape which are provided between the first substrate and the liquid crystal layer, and a second electrode with a comb shape and a second common electrode with a comb shape which are provided between the second substrate and the liquid crystal layer. The first electrode overlaps with the second electrode. The first common electrode overlaps with the second common electrode. The first electrode is connected to the second electrode.

Abstract: A pair of shutter glasses capable of reducing decrease in brightness of displayed images to be visually recognized is provided. A pair of shutter glasses include a pair of light selectors the state of each of which is switched between a light transmitting state in which the light selector transmits light and a light blocking state in which the light selector blocks light. When a full area where light is transmitted or blocked in the light transmitting state or the light blocking state is virtually divided into a plurality of divided areas along a first direction, each of the light selectors switches the state of each of the plurality of divided areas between the light transmitting state and the light blocking state sequentially along the first direction.

Abstract: An article of polarized eyewear has a lens, with a first substrate lens material transparent to visible light and a pattern of elongated structures formed from at least a second material having a complex index of refraction, wherein the second material is deposited directly onto a curved surface of the first substrate lens material. A pitch between adjacent elongated structures is less than 300 nm and a width of each elongated structure is less than 90% of the pitch. A photochromic material is deposited onto the polarized eyewear.

Abstract: Shuttering eyewear used to view 3D imagery and/or dual-view images may utilize an IR receiver filter with moderate to wide bandwidth to pass data sidebands of an on-off keying signal while strongly rejecting nearby interference sources. Filtering of the signal may be achieved via a circuit for passing data sidebands of infrared signals. The circuit may include a band pass filter with a low value of Q operable to filter out a first type of interference signal from a signal, a plurality of mixers operable to receive the signal from the band pass filter, wherein the plurality of mixers down converts the signal to baseband signals, and a plurality of low pass filters operable to receive the baseband signals from the plurality of mixers, wherein the plurality of low pass filters rejects a second type of interference.

Abstract: A 3D display apparatus includes a 3D panel which displays a 3D image, a first circular polarization film which is attached to a front side of the 3D panel and converts the 3D image to a circular polarization component by retarding a phase, and 3D glasses including a second circular polarization film which converts the circular polarization component converted by the first circular polarization film to a linear polarization component by retarding a phase, a liquid crystal unit which allows the linear polarization component to pass or isolates the linear polarization component from passing based on a state of the power, and a linear polarization plate which allows the linear polarization component to pass or isolates the linear polarization component from passing based on a direction of the linear polarization component.

Abstract: Disclosed are shutter glasses capable of automatically changing brightness according to image characteristics and allowing a viewer to adjust brightness and a color temperature according to his preference, a method for adjusting light characteristics of the shutter glasses, and a display system employing the same. The shutter glasses adaptive to be used for a three-dimensional (3D) display device. The shutter glasses include: a pair of shutter liquid crystal panels prepared to correspond to user's left and right eyes; and a controller configured to turn on and off the shutter liquid crystal panels at a certain frequency and control light transmittance of the shutter liquid crystal panels by a gamma voltage corresponding to a certain level control signal.

Abstract: In a liquid crystal display device 100 provided by the present invention, at least a part of a circuit board 16 can be held on an outer side surface 30B of a frame 30 by a board clip 50 mounted on the outer side surface 30B of the frame 30. The board clip 50 includes a plate-like main body portion 52 located so as to face the outer side surface 30B of the frame 30, front-side engaging portions 54 and 55, and a pair of rear-side engaging portions 56 and 57. A bezel receiving portion 60 contactable with a part of a peripheral portion of a bezel 20 is formed in the vicinity of the front-side engaging portions 54 and 55.

Abstract: A liquid crystal shutter eyeglass that can solve the problem in which the provision of excellent images cannot be kept if the situation of the viewer varies is provided. a liquid crystal shutter (2) has a light transmitting and shading region in which a state can change between a light transmitting state in which light is caused to transmit and a light shading state in which light is caused to be shaded. A driving section (51) changes the state between the light transmitting state and the light shading state of a driving region that is at least part of the light transmitting and shading region. A controlling means (52) adjusts at least one of a size and a position of the driving region of which the driving section (51) changes the state.

Abstract: A liquid crystal shutter that realizes a high speed response and that solves a problem in which light leakage cannot be alleviated is provided. An alignment film coated on substrate 5a adjacent to another liquid crystal device of substrates (5a) and (5b) of each of liquid crystal devices (2a, 2b) is horizontal alignment film (7a) and alignment film coated on the other substrate (5b) is vertical alignment film (7b). A alignment treatment is performed on the horizontal alignment film coated on substrate (5a) of liquid crystal device (2b) having a polarizer (3) in a direction parallel to a light transmission axis of analyzer (4) and an alignment treatment is performed on the horizontal alignment film coated on substrate (5a) of liquid crystal device (2a) having analyzer (4) in a direction parallel to the light transmission axis of polarizer (4). Liquid crystal materials (6) of liquid crystal devices (2a, 2b) have a positive dielectric anisotropy and have twisting directions that is the reverse of each other.

Abstract: An image display device includes: a display part, a measuring instrument, a determination unit, a detection unit, a decision unit, and a notification processing unit. The display part allows a user to visually recognize a display image by projecting an image light corresponding to the display image on an eye of the user in a state where some ambient light reaches at least either one of eyes of the user. The measuring instrument measures brightness of the ambient light. The determination unit determines brightness of the display image. The detection unit detects the difference between the brightness of the ambient light and the brightness of the display image. The decision unit decides timing of temporarily stopping the use of the display part. The notification processing unit performs notification which prompts the user to stop the use of the display part at the timing.

Abstract: At least one exemplary embodiment is directed to a reflective liquid crystal display apparatus which includes a polarization beam splitter having a polarization split film used as both a polarizer and an analyzer; a reflective liquid crystal display device; a quarter wave plate; and a projection optical system; where the absolute value of phase difference of diffracted light generated by the reflective liquid crystal display device in a black display state is reduced by the phase difference of the quarter wave plate, and thus the amount of stray light of the diffracted light guided from the polarizing beam splitter to the projection optical system decreases.

Abstract: At least one exemplary embodiment is directed to a reflective liquid crystal display apparatus which includes a polarization beam splitter having a polarization split film used as both a polarizer and an analyzer; a reflective liquid crystal display device; a quarter wave plate; and a projection optical system; where the absolute value of phase difference of diffracted light generated by the reflective liquid crystal display device in a black display state is reduced by the phase difference of the quarter wave plate, and thus the amount of stray light of the diffracted light guided from the polarizing beam splitter to the projection optical system decreases.

Abstract: The present invention generally relates to contact lenses. Specifically, this invention relates to contact lenses that change color based on one or more stimuli. The present application provides for a color changing contact lens that can change its color based on one or more stimuli. The color changing contact lens is constructed of an inner layer, an outer layer and a supply of liquid crystal.

Abstract: A pair of shutter glasses comprises: a pair of shutter members each of which has the following states switchable from one to the other: an incident light transmitting state and an incident light blocking state; a frame member in which the pair of shutter members are accommodated; and a drive circuit and a drive power supply that drive the shutter members. The frame member includes: a rim to which the shutter members are attached; and a pair of temples each of which has one end connected to the rim. At least one of the drive circuit and the drive power supply is accommodated on the other end side of the temple.

Abstract: According to one embodiment, a liquid crystal composition includes a liquid crystal material and a polymer. The liquid crystal material exhibits a blue phase. The polymer has a first repeating unit containing a fluorine atom and an acrylic group.

Abstract: A stereoscopic imaging system to prevent deterioration in brightness and optical characteristics due to deviation of an optical axis upon formation of a stereoscopic image is provided. The stereoscopic imaging system includes a stereoscopic image display device to output linearly polarized light, a phase difference plate provided at a front surface of the stereoscopic image display device and which converts the linearly polarized light output from the stereoscopic image display device into circularly polarized light, and liquid crystal shutter glasses having a phase difference plate attached to a front surface thereof and which restores the circularly polarized light having passed through the phase difference plate into the linearly polarized light. Upon formation of a stereoscopic image, the liquid crystal shutter glasses may restore light output from the stereoscopic image display device without loss.