39 results about "Liquid crystal light valve" patented technology

The invention relates to the technical field of virtual reality optical systems, and discloses an optical system control method for reducing VR dynamic blurring, which comprises the following steps: arranging an independent liquid crystal light valve in a light path of a display panel, and judging the motion state of a user according to the motion angular velocity of the head of the user acquired by an inertial measurement unit; when the display panel is in the static micro-motion state, the light valve is controlled to be continuously opened, and when the display panel is in the dynamic operation state, the light valve is controlled to execute one-time pulse type switching operation in each frame display period, the image generation function and the time domain luminous flux control function are structurally separated, so that the display panel can concentrate on efficient imaging; and meanwhile, the external light valve accurately inhibits dynamic blur, the inherent contradiction between power consumption and brightness in the prior art is effectively avoided, and the environmental adaptability of the system and the comprehensive experience of a user can be remarkably improved through closed-loop self-calibration and multi-sensory cooperative control.

Disclosed in the present invention are a novel naked-eye 3D display device and a viewpoint stepless modulation method therefor. The device comprises a backlight source, a liquid crystal light valve, a cylindrical lens array and a liquid crystal panel which are sequentially arranged in a light propagation direction, wherein a light field emitted by the backlight source passes through the liquid crystal light valve, the liquid crystal light valve comprises a liquid crystal light valve grayscale and a light valve switch, the liquid crystal light valve grayscale and the light valve switch are controlled on the basis of the position of pupil of an observer, and a light source is simulated at different positions, such that the irradiation center of light emitted by the liquid crystal panel remains at the position of pupil of the observer; the light source passes through the cylindrical lens array to form a directional light source, and then passes through the liquid crystal panel to form a viewing image in a viewing area. According to the present invention, by controlling the liquid crystal light valve grayscale and the light valve switch, simulated light sources are formed at different positions, such that when the observer moves within the viewing area, two or more viewpoints can be observed all the time, and at each position, directional light beams can be accurately projected to the pupil of the observer, so as to avoid the problem of viewing flicker caused by the absence of light beam delivery when the pupil of the observer is positioned between two viewpoints.

The present application provides an image processing method, a recording medium and a projector, which can easily correct uneven brightness. An image processing method of a projector (1) or a portable terminal device (5) which displays an image modulated by a liquid crystal light valve (23), comprising: displaying an image (D1); displaying an adjustment bar (B3) or an adjustment bar (SB3) corresponding to a first brightness at a first position of the image (D1); moving the adjustment bar (B3) or the adjustment bar (SB3) from the first position to a second position along a first axis of the image (D1); and generating an image (D2) as a second image having a range corresponding to the second position of the image (D1) and intersecting the first axis, and having the first brightness.

The detection system of an x-ray or charged particle imaging system utilizes a high bandgap, direct conversion x-ray detection material. The signal of the x-ray / charged particle projection is recorded in a spatial light modulator, for example a liquid crystal (LC) light valve. The light valve is then read out by a polarized light optical microscope and a high speed camera. The camera is used to track the halo in the light valve to resolve its intensity and correlate it to the intensity of the incoming x-ray photons or charged particles. This allows for a spatially resolved imaging with an x-ray and / or charged particle spectrometer.

The application relates to the technical field of virtual reality optical systems, and discloses an optical system control method for reducing VR dynamic blur, which comprises the following steps: arranging an independent liquid crystal light valve in the light path of a display panel, and determining the motion state of the user according to the head motion angular velocity obtained by an inertial measurement unit; when being in a static micro-motion state, the light valve is controlled to be continuously opened; and when being in a dynamic operation state, the light valve is controlled to perform a pulse type switching operation once in each display cycle; the application separates the image generation and the time domain light flux control function in structure, so that the display panel can be focused on efficient imaging, and the dynamic blur can be accurately inhibited by the external light valve; the design effectively avoids the inherent contradiction between power consumption and brightness in the prior art, and can significantly improve the environmental adaptability and the comprehensive experience of the user through closed loop self-calibration and multi-sensory collaborative control.

The invention discloses an intelligent liquid crystal light valve dynamic response characteristic detection device. The device comprises a base, a detection clamping assembly arranged on the surface of the base, an adjustment detection assembly arranged on the surface of the base and a data transmission assembly arranged on the surface of the base, the detection clamping assembly comprises a placement block detachably connected to the interior of the base, one end of the placement block is provided with a placement opening, and the interior of the placement opening is detachably connected with a rubber pad. An intelligent liquid crystal light valve body is connected to the surface of the rubber pad in a matched mode, a pressing plate is movably connected to the surface of the intelligent liquid crystal light valve body, the telescopic rod works to drive the pressing plate to move in the containing opening, the pressing plate clamps the intelligent liquid crystal light valve body through a sponge block connected to the bottom in a matched mode, and the overall clamping softness is improved through the sponge block and the rubber pad; damage to the intelligent liquid crystal light valve body is reduced, and the intelligent liquid crystal light valve body is convenient to clamp.

The invention relates to a liquid crystal light valve device applied to a vehicle-mounted naked-eye three-dimensional projection light machine, which comprises a lower polaroid layer, a first liquid crystal light valve, an optical clear adhesive (OCA) layer, an upper polaroid layer and a second liquid crystal light valve, wherein the first liquid crystal light valve and the second liquid crystal light valve are respectively provided with a flexible circuit board for inputting a switch control signal. Wherein at least one group of the OCA layer, the upper polaroid layer and the second liquid crystal light valve is arranged. A plurality of left eye switch areas and a plurality of right eye switch areas are arranged in each liquid crystal light valve. The liquid crystal light valve device is matched with a working mechanism of a naked-eye three-dimensional projection light machine, backlight light quantity of the left eye switch area and the right eye switch area is rapidly and alternately switched and controlled to pass through in a time multi-function mode, and the liquid crystal light valve has high contrast between a bright state and a dark state; the projection effect of a three-dimensional picture can be realized through the quick on-off time of the bright state and the dark state, and meanwhile, the crosstalk phenomenon is avoided.

This invention provides a metal mask for silicon-based liquid crystal light valve chips, relating to the field of semiconductor optoelectronic device manufacturing technology. It includes a metal substrate and a pixel aperture array, alignment mark area, stress buffer, and reinforced border disposed on the metal substrate, adaptable to mass production evaporation and photolithography processes for LCoS light valve chips. The metal substrate consists of four layers stacked sequentially from bottom to top: a substrate layer, a molybdenum transition layer, a Mo-Ta-N functional pattern layer, and an Al2O3-SiO2 composite passivation layer. The molybdenum transition layer is deposited on the substrate surface using magnetron sputtering, with a surface roughness Ra < 0.15 nm. The Mo-Ta-N functional pattern layer is deposited on the surface of the molybdenum transition layer using reactive magnetron sputtering. The near-vertical, low-roughness aperture sidewalls of this invention result in shadow-free evaporation, uniform electrodes, and clear edges, improving the light utilization and contrast of the LCoS chip. It also increases the utilization rate of the evaporation material and reduces material loss during mass production.

The utility model relates to an electronic adjustable light reducing mirror and a shading bucket based on an electro liquid crystal light valve, the electronic adjustable light reducing mirror comprises a single-chip microcomputer chip, a modem, an operational amplifier and a light reducing mirror, the single-chip microcomputer chip is electrically connected with the modem, the modem is used for receiving a control command of a camera device, and the operational amplifier is connected with the light reducing mirror. The modem is used for processing the control command into a digital signal; the operational amplifier is electrically connected with the single-chip microcomputer chip and used for receiving a voltage driving signal generated by the single-chip microcomputer chip according to the digital signal, and the value of the voltage driving signal is sine alternating current within the range of 1-6V; the light reducing mirror comprises a liquid crystal light valve body, the liquid crystal light valve body is electrically connected with the operational amplifier, the liquid crystal light valve body comprises a plurality of liquid crystal molecules, and the arrangement mode of the liquid crystal molecules is changed according to the voltage driving signal so as to adjust the light entering amount of the light reducing mirror. According to the electronic adjustable light reducing mirror, precise light reducing control can be achieved, a traditional manual adjusting mode is replaced, the problem of color cast distortion is solved, and the optical performance is optimized.

A light engine includes a housing, an optical assembly, a heat exchange device, and a fan. A first lens, a second lens, and the housing cooperatively define a first closed chamber. The first closed chamber includes an air-cooling chamber, a first heat exchange chamber, and a second heat exchange chamber. The first heat exchange chamber and the second heat exchange chamber are arranged on opposite sides of the light converging member, respectively. The air-cooling chamber is in communication with the first heat exchange chamber and the second heat exchange chamber. The liquid crystal light valve is arranged in the air-cooling chamber. A part of the heat exchange device is located in the first heat exchange chamber and / or the second heat exchange chamber. The air blower is provided in the first heat exchange chamber or the second heat exchange chamber.

The utility model relates to contrast measuring equipment for a transmission-type liquid crystal light valve chip, which comprises a laser, an adjustable polarizer, a PBS (polarization beam splitter), a reflection silicon wafer, an electric measuring machine, a to-be-measured transmission-type liquid crystal light valve chip and an illuminometer. The PBS polarizing beam splitter reflects an incident laser beam to the reflection silicon wafer, the reflection silicon wafer reflects the laser beam to the transmission-type liquid crystal light valve chip to be detected, an electrode of the electric measuring machine is connected with circuits of a COM end and an SEG PAD end of the transmission-type liquid crystal light valve chip, and after the transmission-type liquid crystal light valve chip to be detected receives the laser beam, the COM end and the SEG PAD end of the transmission-type liquid crystal light valve chip to be detected are connected with the COM end. And the transmitted light source is irradiated on a probe of the illuminometer through the PBS polarizing beam splitter. Therefore, corresponding brightness values and black state values can be read on the illuminometer, and contrast parameters can be obtained according to the brightness values and the black state values. The measuring equipment is low in cost, simple and convenient to operate and high in measuring efficiency, and the measured contrast parameters are high in accuracy.

The utility model discloses a kind of mask for preparing leakproof light liquid crystal light valve and its leakproof light liquid crystal light valve, its mask is additionally increased auxiliary mask layer on the basis of original main mask layer, so that the black pattern of main mask layer and the full black film of auxiliary mask layer form double light shielding pattern, so even if the black pattern of main mask layer appears light transmission needle eye due to the limitation of printing process, the full black film of auxiliary mask layer can also effectively shield the ultraviolet light emitted by exposure machine, to avoid the appearance of light transmission needle eye on ITO glass, and further avoid the appearance of light transmission needle eye on liquid crystal light valve, prevent the appearance of leaky light bad phenomenon of liquid crystal light valve, maximumly guarantee the display blackness of liquid crystal light valve, improve the light shielding performance of liquid crystal light valve and electric welding goggles or electric welding face guard.

A projector with a thermal superconducting material for heat dissipation is disclosed. The projector includes a projector housing, and an optical machine shell, a thermal superconducting material heat dissipation apparatus, an outer fan, an inner circulation fan, a projection light source and an LCD light valve. The thermal superconducting material heat dissipation apparatus includes a light source radiator and an optical machine heat exchanger. The outer fan performs air draft for the light source radiator. An inner circulation air duct is arranged inside the optical machine shell. The inner circulation fan, the LCD light valve and a heat absorption fin set are arranged in the inner circulation air duct. A heat dissipation ventilation duct is defined between an inner wall of the projector housing and an outer wall of the optical machine shell.

The present invention provides an optical path structure of an LCOS projector using a laser dual-fluorescent ceramic light source, which is applied in the field of projection display technology. The key points of the technical solution are: blue excitation light is converted into green light and red light through a static copper-based green fluorescent ceramic and a static copper-based red fluorescent ceramic, the blue laser is supplemented by a blue laser light source, and then high-brightness red light, green light and blue laser are incident on the LCOS through conversion and processing by a polarization processing optical group, a liquid crystal light valve optical group, a polarization beam splitting element, etc., and then emitted from the projection lens after modulation by the LCOS. The technical effect is that the wavelength of the excitation light can be stably converted, the energy utilization rate of the blue excitation light is improved, the luminous flux of the fluorescent ceramic light source is increased, and thus the output luminous flux of the projector is increased; and the projection image of the projector has the characteristic of high brightness, and the projector can also form clear images in a bright environment, thereby solving the problem of unclear images when the projector is used in a bright environment.

The utility model is suitable for the field of 3D glasses, and provides a pair of rechargeable shutter 3D glasses, which comprises a glasses frame, glasses legs, liquid crystal light valve type lenses and a liquid crystal driving circuit, and a charging circuit is arranged on the glasses frame or the glasses legs; the charging circuit comprises a mirror body magnetic suction connector which is provided with a magnetic suction end and is used for being sucked with a first magnetic suction connector on a charging seat through the magnetic suction end; the mirror body magnetic connector is further provided with a positive electrode and a negative electrode, and after the magnetic end is attracted to the first magnetic connector, the positive electrode and the negative electrode are electrically connected with the positive electrode and the negative electrode of the first magnetic connector respectively; the capacity of the super capacitor is greater than or equal to 1 farad; a controllable switch assembly; and the charging control circuit is connected with the control end of the controllable switch assembly and is used for controlling the on-off of the controllable switch assembly. According to the utility model, the super capacitor in the 3D glasses can be rapidly charged, and charging can be completed within several minutes.

The invention provides a liquid crystal light valve device and a driving method. The device comprises a first substrate and a second substrate which are oppositely arranged, and the opposite surfaces of the two substrates are not provided with polyimide alignment layers; a first electrode group is arranged on one side, close to the second substrate, of the first substrate, and a second electrode group is arranged on one side, close to the first substrate, of the second substrate; a liquid crystal layer is arranged between the two substrates; and the first electrode group and the second electrode group are electrically connected with the control circuit. The control circuit can be selectively driven to generate a first-direction planar electric field or a second-direction planar electric field which are perpendicular to each other in the liquid crystal layer, so that the orientation state of the liquid crystal molecules is actively and quickly switched. By omitting a traditional polyimide alignment layer and adopting bidirectional planar electric field driving, the light valve function is realized, the preparation process is simplified, the energy consumption is reduced, and the response speed is remarkably improved.

The utility model discloses a single-chip LCD projector. The single-chip LCD projector comprises an illumination system and a projection imaging system, the lighting system comprises an LED lamp panel, a reflection cup, a first Fresnel lens and heat insulation glass, wherein the reflection cup, the first Fresnel lens and the heat insulation glass are sequentially arranged in the propagation direction of emergent light of the LED lamp panel. The length of the effective light-emitting face of the LED lamp panel is not smaller than 9 mm and not larger than 11.5 mm, the width of the effective light-emitting face of the LED lamp panel is not smaller than 6 mm and not larger than 9 mm, the length of an incidence opening of the reflection cup is not smaller than 10 mm and not larger than 12.5 mm, the width of the incidence opening is not smaller than 7 mm and not larger than 10 mm, the length of an exit opening is not smaller than 82 mm and not larger than 84 mm, the width of the exit opening is not smaller than 45 mm and not larger than 48 mm, the vertical height of the exit opening is not smaller than 44 mm and not larger than 46 mm, and the length of the first Fresnel lens is not smaller than 85 mm and not larger than 90 mm. The width is not smaller than 49 mm and not larger than 53 mm, the thickness is not smaller than 1.6 mm and not larger than 2.2 mm, and the focal length is not smaller than 55 mm and not larger than 65 mm; the projection imaging system comprises an LCD liquid crystal light valve and a projection lens, and the LCD liquid crystal light valve is arranged on the side, back to the first Fresnel lens, of the heat insulation glass.

The utility model discloses a liquid crystal projector and an optical system thereof, the optical system of the liquid crystal projector comprises a light source, a liquid crystal panel and a liquid crystal light valve located between the light source and the liquid crystal panel, and the liquid crystal light valve is stacked on the liquid crystal panel; the liquid crystal panel comprises a plurality of display units which are uniformly arranged; the liquid crystal light valve comprises a plurality of light valve units which are in one-to-one correspondence with the display units; the light valve unit is configured to transmit or cut off light emitted from the light source to the corresponding display unit; according to the projector, the problem that the contrast ratio cannot be improved by partition dimming when an LED light source is matched with an LCD display screen in an existing projector can be solved.

The invention discloses a 2-inch 3-liquid crystal light valve high-definition projection lens, and an optical system lens group of the 2-inch 3-liquid crystal light valve high-definition projection lens consists of seven groups of seven lenses which are sequentially a leftward-bent meniscus glass negative lens A1, a rightward-bent meniscus glass positive lens A2, a leftward-bent meniscus glass positive lens A3, a diaphragm B and a biconvex glass positive lens C1 from left to right along the incident direction of light rays, the double-concave-surface glass negative lens C2, the rightward-bent meniscus-shaped glass positive lens C3 and the double-convex-surface glass positive lens C4 are arranged in the lens. According to the high-definition projection lens, a configuration combination structure of seven groups of seven lenses is adopted, the effective focal length f is 54mm, the relative aperture number F / # is 3, the back focal length is 33-34mm, the total length of an optical system can be smaller than 165 mm, the image circle diameter phi is 50.8012 mm, the pixel resolution is 1080P 1920 * 1080, and a high-definition projection lens effect that a projected imaging picture is focused clearly is realized by integrally moving A1 to C4 left and right along the optical axis direction.

The present application relates to a kind of projection light machine and projection equipment.Projection light machine includes shell, optical assembly, heat exchange device and fan.First lens, second lens and shell form first closed chamber, first closed chamber includes air-cooled chamber, first heat exchange chamber and second heat exchange chamber, first heat exchange chamber and second heat exchange chamber are located at the two sides of light collector respectively, air-cooled chamber is arranged between first heat exchange chamber and second heat exchange chamber, and is communicated with first heat exchange chamber and second heat exchange chamber respectively, liquid crystal light valve is arranged in air-cooled chamber.Heat exchange device is arranged on the cavity wall of first heat exchange chamber and / or second heat exchange chamber, part of heat exchange device is located in first heat exchange chamber and / or second heat exchange chamber, fan is arranged in first heat exchange chamber or second heat exchange chamber, can improve heat dissipation efficiency.In addition, light collector is arranged in the space surrounded by first heat exchange chamber, air-cooled chamber and second heat exchange chamber, make full use of space, it is advantageous to reduce the volume of projection light machine.

This invention provides a method for aerial refueling positioning using targets and dual cameras. A microcontroller controls a target system consisting of a liquid crystal light valve, a button battery, and a reflector to actively flash light. Three targets are fixed to the refueling hose, and two targets are fixed to the receiver aircraft's fuel tank. Two cameras are mounted on the refueling aircraft to continuously photograph the five targets. Based on the camera's intrinsic and extrinsic parameters, the pixel positions of the targets in the photographs, and the target distances, linear and nonlinear equations are constructed. Solving these equations yields the three-dimensional coordinates of the five targets. Averaging these coordinates yields the coordinates of the hose center and the fuel tank center, as well as their deviation vector. Finally, the vertical vector of the hose plane is calculated using the three targets on the hose. Through decomposition, the three-dimensional error vector required for hose control is obtained, completing the error measurement during the aerial refueling process.

The utility model discloses a packing box with a liquid crystal light valve driven by a light kinetic energy processor to dynamically display, which belongs to the technical field of packing boxes and is characterized in that the liquid crystal light valve and the light kinetic energy processor are mounted at a hollow-out position of a box cover, and a picture or a picture replacing device with the picture is placed below the liquid crystal light valve. A power management chip, a bayonet socket and other electronic components are mounted on a backlight surface of a film photovoltaic cell of the light kinetic energy processor after a circuit is manufactured, the light kinetic energy processor connects electric energy output by the photovoltaic cell to a liquid crystal light valve through the bayonet socket, and the liquid crystal light valve is opened or closed. Due to the fact that the liquid crystal light valve is adopted for displaying the pictures, the light kinetic energy processor can completely meet the requirements of the liquid crystal light valve, a chemical battery is not needed for energy storage at all, environmental protection and energy conservation are achieved, the pictures can be replaced, the display content of the packaging box is enriched, and the packaging box has higher emotional value.

The invention provides a light path structure of an LCOS projection light machine using a laser dual-fluorescent ceramic light source, which is applied to the technical field of projection display, and is characterized in that blue exciting light is converted into green light and red light through static copper substrate green fluorescent ceramic and static copper substrate red fluorescent ceramic, blue laser is supplemented through a blue laser light source, and the light path structure of the LCOS projection light machine is obtained. The high-brightness red light, green light and blue laser can be incident to the LCOS through conversion and processing of the polarization processing optical group, the liquid crystal light valve optical group, the polarization light splitting element and the like, and then is emitted from the projection lens after being modulated by the LCOS; the projection light machine has the technical effects that wavelength conversion can be stably carried out on exciting light, the energy utilization rate of blue exciting light is improved, and the luminous flux of the fluorescent ceramic light source is improved, so that the output luminous flux of the projection light machine is improved; and moreover, the projection picture of the projection light machine has the characteristic of high brightness, and the projection light machine can also perform clear imaging in a bright environment, so that the problem that the picture is not clear when the projection light machine is used in the bright environment is solved.

Disclosed is a single LCD projector structure switchable between ultra-short distance projection and medium-long distance projection including a projection module. The projection module includes an LED light source, a condenser cup, a collimating Fresnel lens, an LCD light valve and a focusing Fresnel lens arranged in sequence. The single LCD projector structure further includes a first total reflection mirror and an objective lens module including an objective lens ring and a telescopic mechanism for stretching and retracting of the objective lens ring. A single LCD projector is also provided. The objective lens is shared by ultra-short distance projection and the medium-long distance projection without changing its optical characteristics, thus the objective lens group can move rapidly in a large range and fine focusing is performed in the far end ring or the near end ring, which improves the flexibility and practicability of projection and is suitable for various application scenes.

The utility model provides a spectrum chip and electronic equipment. The spectrum chip includes a liquid crystal light valve and a photosensitive layer. The liquid crystal light valve has a light-entering side and a light-exiting side. The photosensitive layer is arranged on the light-exiting side of the liquid crystal light valve. The photosensitive layer includes a plurality of photosensitive units arranged along the extension direction of the liquid crystal light valve. The plurality of photosensitive units correspond to the liquid crystal light valve, and each photosensitive unit is used to correspond to a pixel. When different voltages are applied to the liquid crystal light valve in sequence, different light signals filtered by the liquid crystal light valve are suitable for being successively acquired by the plurality of photosensitive units and converted into electrical signals by the corresponding photosensitive units. Since the spectrum chip can realize that the liquid crystal light valve is shared by a plurality of pixels, the number of liquid crystal light valves is reduced, thereby saving space. Moreover, no matter how many bands the spectrum chip has, each pixel has only one photosensitive unit, and the number of pixels that can be accommodated in a unit physical size is improved, solving the contradiction that high spatial resolution and high spectral resolution cannot be achieved at the same time.

The application discloses a terminal for wireless acquisition and real-time monitoring of operating room environment parameters. The monitoring terminal comprises a common-aperture packaging module, a multi-source energy capturing module, a sensing and logic control module, and a high-voltage direct-drive modulation module. The multi-source energy capturing module uses amorphous silicon photovoltaic panels to absorb visible light and output low-voltage direct-current electric energy, and uses a micro cantilever beam type friction nanogenerator to capture vertical laminar air supply kinetic energy and output transient high-voltage electric energy. The sensing and logic control module performs temperature and humidity sampling and differential pressure sampling and generates a digital baseband control sequence with direct-current balance characteristics. The high-voltage direct-drive modulation module directly applies the transient high-voltage electric energy to a micro-electro-mechanical system liquid crystal light valve through a photoelectric isolation interlocking switch, modulates environmental physical quantities onto a near-infrared probe light beam to form a backscattering light signal, and the system uses a diffuse reflection wall surface to construct a multipath reflection channel to overcome the blockage of a straight-line line-of-sight link caused by medical equipment.

The invention provides a shutter type liquid crystal light valve, a manufacturing method and shutter type glasses. The shutter type liquid crystal light valve comprises a liquid crystal box, two biaxial compensation films and two polaroids. The liquid crystal box comprises two glass substrates and two alignment films. The two alignment films are formed on the inner surfaces of the two glass substrates respectively, and the pretilt angle of each alignment film is 2-4 degrees. The box thickness of the liquid crystal box is 3 + / -0.2 mu m, and the liquid crystal delta n in the liquid crystal box is 0.148 + / -0.002, so that the phase delay value delta nd of the liquid crystal box is 444 + / -10nm. The two biaxial compensation films are arranged on the outer surfaces of the two glass substrates respectively, the in-plane retardation value Ro of each biaxial compensation film is 220 nm, and the retardation value Rth in the thickness direction is 440 nm, or Ro is 440 nm, and Rth is 660 nm. The shutter type liquid crystal light valve is manufactured through the shutter type liquid crystal light valve manufacturing method. The shutter type glasses comprise the shutter type liquid crystal light valve.

The utility model discloses a deepwater imaging device which comprises a waterproof shell, and sapphire glass, an optical combination module, an industrial camera, a liquid crystal spatial light modulator and a microcontroller are sequentially installed in the waterproof shell from front to back. The optical combination module comprises a front lens set, a rear lens set and a liquid crystal diaphragm, and the liquid crystal diaphragm is electrically connected with the liquid crystal spatial light modulator. Through the specially designed light path structure, the whole deepwater camera can adjust the polarization state of incident light by changing the arrangement mode of liquid crystal molecules in the liquid crystal light valve, so that backscattering noise caused by suspended particles is inhibited. The balsaming lens is utilized to reduce or eliminate chromatic aberration to the greatest extent. Therefore, the image quality is effectively improved, the reflection loss of light energy is reduced, and the imaging definition of the lens is improved.

A detection system for an x-ray or charged particle imaging system utilizes high bandgap, direct conversion x-ray detection materials. The signal of the x-ray / charged particle projection is recorded in a spatial light modulator such as a liquid crystal (LC) light valve. The light valve is then read-out by a polarized light optical microscope and a high speed camera. The camera is used to track the blooming spots in the light valve to resolve their intensity, and relate that intensity of the input x-ray photon or charged particle. This allows of spatially resolved, imaging, x-ray and / or charged particle spectrometer.

The invention discloses a multi-degree-of-freedom liquid crystal light valve transmittance testing device based on a probe station, and the device comprises a working frame which is detachably provided with a bearing platform, and the bearing platform is provided with a light source receiver connected with a liquid crystal light valve; the rotary testing mechanism comprises an L-shaped bending plate fixed on the working frame, an air cylinder is fixedly installed at the bottom of the L-shaped bending plate, a piston rod on the air cylinder is connected with a lifting rod, a cam groove is formed in the edge of the outer wall of the lifting rod, and the cam groove abuts against and is attached to the protruding part on the rotating ring. An annular groove is formed in the rotating ring, and one end of the annular groove is fixedly connected to the L-shaped bent plate through a supporting ring. The technical problems that when an irradiation light source works, the design of a transmission structure is complex, meanwhile, the rotation angle of the irradiation light source needs to be manually adjusted, refraction light transmittance data at different angles are obtained, and operation is complex can be solved.