Apertures are formed in the common electrode or in the pixel electrode of a liquid crystal display to form a fringe field. Storage capacitor electrodes are formed at the position corresponding to the apertures to prevent the light leakage due to the disclination caused by the fringe field. The apertures extend horizontally, vertically or obliquely. The apertures in adjacent pixel regions may have different directions to widen the viewing angle.

The present invention discloses a tape substrate for chip on film structure of a liquid crystal panel. The tape substrate is provided with plural package units of chip on film structures arranged along its longitudinal direction, and the package unit has a driver chip, input leads and output leads. The longitudinal direction of the driver chip is parallel to the longitudinal direction of the tape substrate, and the input leads and the output leads are located at the two opposite sides of the driver chip. Each package unit is set up with a short side and a long side, and the input leads are formed at the short side, while the output leads are formed at the long side. In the package units adjacent to each other, the short side of one package unit joins the long side of a next package unit. This invention further discloses a liquid crystal panel having the tape substrate.

A liquid crystal display device includes a TFT substrate having a display region with first and second electrodes, TFTs, scanning signal lines connected to the TFTs, a counter substrate, a liquid crystal layer sandwiched between the TFT and counter substrates, and sealed by a sealant, scanning line leads connected to the scanning signal lines and formed outside of the display region, video signal line leads connected to the video signal lines and formed outside of the display region and a shield electrode formed on the TFT substrate covering the scanning line leads but not the video signal line leads. The second electrode is connected to one of the TFTs, and liquid crystal molecules of the liquid crystal layer are driven by an electric field, which is generated between the first and second electrodes. The shield electrode is electrically connected to the first electrode and overlapped with the sealant in plan view.

One of the objects of the present invention is to provide a liquid crystal display device with high transmittance or viewing angle characteristics. A liquid crystal display device of the present invention includes: a first substrate (10) which includes a pixel electrode (30); a second substrate (20) which includes a counter electrode (25); and a liquid crystal layer (21) and a spacer (40) which are provided between the first substrate (10) and the second substrate (20). The pixel electrode (30) includes a first portion which is formed by a plurality of first branch portions (34A) extending in a first direction, a second portion which is formed by a plurality of second branch portions (34B) extending in a second direction, a third portion which is formed by a plurality of third branch portions (34C) extending in a third direction, and a fourth portion which is formed by a plurality of fourth branch portions (34D) extending in a fourth direction. The spacer (40) is provided at a position in the pixel (50) which is surrounded by the first to fourth portions of the pixel electrode (30) when viewed from a direction perpendicular to a plane of the first substrate (10).

In a conventional bistable liquid crystal device, switching characteristics fluctuate among panels and there is a problem in mass productivity. As an intermediate layer, an uneven film is inserted between a low anchoring layer and ITO. The uneven film has an average surface roughness of 2 nm or less, which is measured by an atomic force microscope. In this manner, the low anchoring layer is not affected by the surface shape of the ITO film which differs among panels, and the switching characteristics are stabilized.

An optical switch for performing high extinction ratio switching of an optical signal includes a beam polarizing element and one or more optical elements. The optical elements are configured to direct an optical signal along a first or second optical path based on the polarization state of the optical signal as it passes through the optical elements. The optical switch performs high extinction ratio switching of the optical signal by preventing unwanted optical energy from entering an output port by using an absorptive or reflective optical element or by directing the unwanted optical energy along a different optical path.

A liquid crystal display panel, including: a pixel electrode formed on a first substrate; an alignment layer formed on the pixel electrode, wherein the alignment layer includes an alignment layer material and aligns first liquid crystal molecules in a direction substantially perpendicular to the pixel electrode; and a photo hardening layer formed on the alignment layer, wherein the photo hardening layer includes a photo hardening layer material and aligns second liquid crystal molecules to be tilted with respect to the pixel electrode, wherein the alignment layer material and the photo hardening layer material have different polarities from each other.

It is an object of the present invention to provide a liquid crystal display device which has a wide viewing angle and less color-shift depending on an angle at which a display screen is seen and can display an image favorably recognized both outdoors in sunlight and dark indoors (or outdoors at night). The liquid crystal display device includes a first portion where display is performed by transmission of light and a second portion where display is performed by reflection of light. Further, a liquid crystal layer includes a liquid crystal molecule which rotates parallel to an electrode plane when a potential difference is generated between two electrodes of a liquid crystal element provided below the liquid crystal layer.

A liquid crystal display capable of realizing a high transmittance while maintaining favorable voltage response characteristics, and a method of manufacturing the same are provided. The liquid crystal display includes: a liquid crystal layer; a first substrate and a second substrate arranged to face each other with the liquid crystal layer in between; a plurality of pixel electrodes provided on a liquid crystal layer side of the first substrate; and an opposite electrode provided on the second substrate to face the plurality of pixel electrodes. One or both of a face on the liquid crystal layer side of the pixel electrode, and a face on the liquid crystal layer side of the opposite electrode includes a concavo-convex structure.

The present invention provides a backlight module and a liquid crystal display device using the backlight module. The backlight module includes: a backplane (2), a light guide plate (4) arranged in the backplane (2), a backlight source (6) arranged in the backplane (2), an optic film assembly (8) arranged above the light guide plate (4), and a reflection plate (9) arranged between the backplane (2) and the light guide plate (4). The backlight source (6) includes a PCB (62) and a plurality of LED lights (64) mounted on and electrically connected to the PCB (62). The backplane (2) includes a bottom plate (22) and a plurality of side plates (24) perpendicularly connected to the bottom plate (22). The bottom plate (22) of the backplane (2) includes a snap-engagement structure (220) formed thereon. The PCB (62) is snap-fit into and retained by the snap-engagement structure (220). The reflection plate (9) is directly positioned on and supported by the PCB (62).

The liquid crystal display device includes an island-shaped first semiconductor film 102 which is formed over a base insulating film 101 and in which a source 102d, a channel forming region 102a, and a drain 102b are formed; a first electrode 102c which is formed of a material same as the first semiconductor film 102 to be the source 102d or the drain 102b and formed over the base insulating film 101; a second electrode 108 which is formed over the first electrode 102c and includes a first opening pattern 112; and a liquid crystal 110 which is provided over the second electrode 108.

The liquid crystal display device includes an island-shaped first semiconductor film 102 which is formed over a base insulating film 101 and in which a source 102d, a channel forming region 102a, and a drain 102b are formed; a first electrode 102c which is formed of a material same as the first semiconductor film 102 to be the source 102d or the drain 102b and formed over the base insulating film 101; a second electrode 108 which is formed over the first electrode 102c and includes a first opening pattern 112; and a liquid crystal 110 which is provided over the second electrode 108.

It is an object of the present invention to apply a sufficient electrical field to a liquid crystal material in a horizontal electrical field liquid crystal display device typified by an FFS type. In a horizontal electrical field liquid crystal display, an electrical field is applied to a liquid crystal material right above a common electrode and a pixel electrode using plural pairs of electrodes rather than one pair of electrodes.

A liquid crystal display device is provided, which includes a thin film transistor including an oxide semiconductor layer, a first electrode layer, a second electrode layer having an opening, a light-transmitting chromatic-color resin layer between the thin film transistor and the second electrode layer, and a liquid crystal layer. One of the first electrode layer and the second electrode layer is a pixel electrode layer which is electrically connected to the thin film transistor, and the other of the first electrode layer and the second electrode layer is a common electrode layer. The light-transmitting chromatic-color resin layer is overlapped with the pixel electrode layer and the oxide semiconductor layer of the thin film transistor.

A liquid crystal display (LCD) device capable of reducing the number of printed circuit boards (PCBs) and the number of signal transmitters, and thus reducing manufacturing costs, is disclosed. The LCD device includes a liquid crystal panel having a display to display an image, a plurality of data drive integrated circuits (ICs) connected between one-side portion of the liquid crystal panel and a source PCB, to drive data lines arranged on the display of the liquid crystal panel, a light source unit to provide light to the liquid crystal panel, and a unified board formed with a light source driver to drive the light source unit, and a drive circuit to drive the data drive ICs.

According to one embodiment, a liquid crystal display device includes a first substrate including a gate line extending in a first direction, a source line including an oblique line portion extending in a third direction which crosses at an acute angle a second direction perpendicular to the first direction, a pixel electrode including an oblique electrode portion extending in the third direction, and a first alignment film covering the pixel electrode, a second substrate including a counter-electrode which is opposed to the pixel electrode, and a second alignment film covering the counter-electrode, and a liquid crystal layer held between the first substrate and the second substrate. A first rubbing direction of the first alignment film is a direction which crosses the third direction at an acute angle, and an angle formed between the first rubbing direction and the third direction is 3.6° or more.

A system for radioisotope production uses fast-neutron-caused fission of depleted or naturally occurring uranium targets in an irradiation chamber. Fast fission can be enhanced by having neutrons encountering the target undergo scattering or reflection to increase each neutron's probability of causing fission (n, f) reactions in U-238. The U-238 can be deployed as one or more layers sandwiched between layers of neutron-reflecting material, or as rods surrounded by neutron-reflecting material. The gaseous fission products can be withdrawn from the irradiation chamber on a continuous basis, and the radioactive iodine isotopes (including I-131) extracted.

One embodiment of a liquid splat game kit includes a plurality of squirt bottles for storing water, a plurality of water coloring tablets for transitioning the water into a colored liquid, a plurality of playing cards, and a game-play manual.

A method for applying a liquid composition to a rail surface is provided. This method involves supplying a liquid composition in one or more reservoirs on a rail car (revenue generating car), and applying the liquid composition from the one or more reservoirs to the rail surface.

A method for applying a liquid composition to a rail surface is provided. This method involves supplying a liquid composition in one or more reservoirs on a rail car (revenue generating car), and applying the liquid composition from the one or more reservoirs to the rail surface.

The present invention provides an ultra violet irradiating device for aligning liquid crystal and also an water-cooling coaxial tube. The ultraviolet irradiating device includes a water-cooling coaxial tube configured with an inter tube and an external pipe enveloping the internal pipe. A light tube is disposed within the internal pipe, and an infrared filter layer is disposed between the internal and external pipes; and an ultra violet filter layer is coated over an external surface of the external pipe so as to filter out an ultra violet light beam having wavelength lower than 320 nm. The breakage of the unit filters resulted from inter pushing with each other or leakage resulted from overlapping of the unit filters can be readily resolved.

A method for repairing white defect of liquid crystal display panel includes: (1) providing a laser repairing platform and a liquid crystal display panel that contains a white defect to be repaired, wherein the white defect contained liquid crystal display panel comprises a substrate, a first insulation layer formed on the common wiring layer, a metal layer formed on the first insulation layer, a second insulation layer formed on the metal layer, and a transparent conductive layer formed on the second insulation layer; and (2) applying the laser repairing platform to carry out multi-spot welding on the common wiring layer, the metal layer, and the transparent conductive layer at a location corresponding to a white defect of the liquid crystal display panel so as to have the common wiring layer, the metal layer, and the transparent conductive layer electrically connected at sites corresponding to the multiple welding spots.

A method of manufacturing a liquid crystal display includes: preparing a lower mother substrate, where lower cells, each including a thin film transistor, are provided on the lower mother substrate, and a lower alignment layer is disposed on the lower cells; preparing an upper mother substrate, where upper cells corresponding to the lower cells are provided on the upper mother substrate, and an upper alignment layer is disposed on the upper cells; providing a mother substrate assembly by providing a liquid crystal mixture layer between the lower and upper mother substrates and combining the lower and upper mother substrates; providing a pretilt of the liquid crystals by applying a voltage to a voltage application unit of the lower mother substrate; and curing an alignment supporting agents in the liquid crystal mixture layer or the lower and upper alignment layers by irradiating light to a side of the mother substrate assembly.

A liquid crystal display is provided that includes: a first display panel including a thin film transistor and a plurality of pixel electrodes; a second display panel facing the first display panel with a cell gap therebetween; a lower resistive layer disposed on the first display panel; an upper resistive layer disposed on the second display panel; and a sensing spacer connecting the lower resistive layer and the upper resistive layer.

A pressing device for assembling a liquid crystal display panel is provided. The pressing device includes a base plate, a pressing plate, a first cushion and a second cushion. The pressing plate is disposed opposite to the base plate and adapted to move toward or away from the base plate. The first cushion is disposed between the base plate and the pressing plate. The second cushion is disposed between the pressing plate and the first cushion, wherein one of the first cushion and the second cushion has a hollow zone corresponding to a display area of the liquid crystal display panel. A method for assembling a liquid crystal display panel is further provided.

Provided are a method of producing a polymer dispersed liquid crystal device with a cooling plate and a polymer dispersed liquid crystal device using the same. According to the producing method of the invention using the cooling plate capable of effectively removing heat with a simple method, it is possible to improve driving voltage characteristics and decrease a production cost of the polymer dispersed liquid crystal device.

In a method for fabricating a lightweight and thin liquid crystal display (LCD), a first mother substrate, a subsidiary substrate and a thin second mother substrate are provided. An edge cut is formed by cutting edges of the first and second mother substrates and the subsidiary substrate to be inclined at a predetermined angle. An array process is performed on the first mother substrate. The subsidiary substrate is attached to the second mother substrate. A color filter process is performed on the second mother substrate having the subsidiary substrate attached thereto. The first and second mother substrates are attached together. The subsidiary substrate is separated from the first and second substrates by spraying air between the second mother substrate and the subsidiary substrate, in which the edge cut is formed.

The present invention relates to an organotemplate-free synthetic process for the production of a zeolitic material comprising YO2 and X2O3, wherein said process comprises the steps of (1) preparing a mixture comprising seed crystals, one or more sources for YO2, one or more sources for X2O3, and one or more solvents;(2) crystallizing the mixture obtained in step (1) to obtain a zeolitic material comprising YO2 and X2O3 as a crystallization product; wherein Y is a tetravalent element, and X is a trivalent element, and wherein at least a portion of the mother liquor obtained in step (2) is recycled to step (1) as a source for YO2, optionally after concentration of the mother liquor.

A joint between connected ends of two rails of different height is provided with a connector/juncture bar member which is configured to fit with and engage corresponding surfaces formed on the rails when the rails are connected together. The joint so formed is one with increased strength, with ease and accuracy of alignment during assembly.

Chemical liquid injector 100 includes two piston driving mechanisms 130 each moving a piston of a syringe forward, main injection condition determining section 171 determining injection conditions for a chemical liquid in main injection, test injection condition determining section 172 determining injection conditions for the chemical liquid in test injection performed prior to the main injection to inject a smaller injection amount of the chemical liquid than that in the main injection, and control section 161 creating an injection protocol in accordance with the injection conditions determined by test injection condition determining section 171 and main injection condition determining section 172 such that the chemical liquid is injected in a series of operations in which the test injection is performed, then a preset injection suspension time is present, and subsequently the main injection is performed, and further controlling operation of piston driving mechanisms 130 in accordance with the injection protocol.

A computer-implemented method for gain calibration is provided. The method includes sorting the calibration data of each pixel location from the offset-corrected X-ray image data into a sequence. The method also includes removing part of the calibration data from one end or both ends of the respective sequence for each pixel location. The method further includes averaging the calibration data remaining within each respective sequence to obtain an average pixel value for each pixel location. The method yet further includes generating a gain map based on the average pixel value for each pixel location.

An anatomical model assembly of the human head for use in teaching medical personnel. The anatomical model has an inner base that is shaped as part of the human skull. A first layer of material covers the base. The first layer of material provides a visual indication of at least some muscle groups contained within a human head. A second layer of material is provided that covers the first layer. The second layer of material has an exterior that is shaped with at least some human facial features. The second layer of material and the first layer of material are separate, unattached layers. The material selected for the first layer mimics the suppleness of muscle. The material selected for the top second layer mimics the feel and elasticity of skin. The result is an anatomical model that can be used to accurately teach, plan and practice medical procedures.

Aspects of the disclosure relate generally to providing a user with an image navigation experience. In order to do so, a reference image may be identified. A set of potential target images for the reference image may also be identified. A drag vector for user input relative to the reference image is determined. For particular image of the set of target images an associated cost is determined based at least in part on a cost function and the drag vector. A target image is selected based on the determined associated costs.

In a first subframe period, light sources of a first region and a third region emit lights at the same time; light sources of a second region and a fourth region emit no light at the same time, in which light emission of different colors is performed in the first region and the third region. In a second subframe period, light sources of the second region and the fourth region emit lights at the same time; light sources of the first region and the third region emit no light at the same time, in which light emission of different colors is performed in the second region and the fourth region. The first region and the third region are separated from each other with the second region interposed therebetween; and the second region and the fourth region are separated from each other with the third region interposed therebetween.

A video processing circuit detects a risk boundary that is a part of a boundary between a dark pixel and a bright pixel, and is determined in accordance with the tilt azimuth of liquid crystal molecules from a boundary changed over the previous frame to the current frame and, for at least one side of dark pixels and bright pixels brought into contact with the detected risk boundary, corrects a video signal designating the application voltage of a liquid crystal element corresponding to the pixel of the frame brought into contact with the risk boundary out of a plurality of frames from the current frame to k frames (here, k is a natural number) following the current frame such that a lateral direction electric field generated between the dark pixel and the bright pixel decreases.

A liquid crystal display device comprising a backlight and a pixel portion including first to 2n-th scan lines, wherein, in a first case of expressing a color image, first pixels controlled by the first to n-th scan lines are configured to express a first image using at least one of first to third hues supplied in a first rotating order, and second pixels controlled by the (n+1)-th to 2n-th scan lines are configured to express a second image using at least one of the first to third hues supplied in a second rotating order, wherein, in a second case of expressing a monochrome image, the first and second pixels controlled by the first to 2n-th scan lines are configured to express the monochrome image by external light reflected by the reflective pixel electrode, and wherein the first rotating order is different from the second rotating order.

A signal conditioning apparatus can include a coaxial cable having at least one slot formed therein. A conductive film can be applied to the coaxial cable so as to cover each slot. A device mounting surface can be formed within the slot and a protection device can be mounted on the device mounting surface. A housing consisting of one or more interlockable portions can be coupled to the coaxial cable.

In a liquid crystal display according to an exemplary embodiment of the present invention, a shielding electrode applied with the same voltage as a common voltage and overlapping a data line is not formed. Instead, an opening is formed at a position corresponding to a data line disposed proximate to a sub-pixel charged with a relatively low voltage. In this manner, luminance deterioration of a liquid crystal display may be reduced or prevented, and a short defect between the shielding electrode and the data line may also be prevented.

A catalytic tank heater includes a catalytic heating element supported on an LPG tank by a support structure that holds the element in a position facing the tank. Vapor from the tank is provided as fuel to the heating element, and is regulated to increase heat output as tank pressure drops. The heating element is internally separated into a pilot heater and a main heater, with respective separate fuel inlets. The pilot heater remains in continual operation, but the main heater is operated only while tank pressure is below a threshold. Operation of the pilot heater keeps a portion of the catalyst hot, so that, when tank pressure drops below the threshold, and fuel is supplied to the main heater, catalytic combustion quickly expands from the area surrounding the pilot heater to the remainder of the catalyst.

The present liquid sample measuring device comprises a device body on which a biosensor is detachably mounted, a liquid biological sample being dispensed in drops on the biosensor; a measuring section that measures bioinformation from the liquid biological sample; a motion measuring section that measures motion information of the device body; a motion assessment section that assesses the degree of motion of the device body on the basis of the motion information of the device body measured by the motion measuring section; and a measurement controller that adjusts the measurement time for measuring the bioinformation on the basis of the assessment result of the motion assessment section.

A metal material is provided with a bismuth coating which enables the subsequent coating to be accomplished at a high throwing power, and has excellent corrosion resistance, coating adhesion and is able to be produced with reduced damage to the environment. The metal material has a surface and a bismuth-containing layer deposited on at least a part of the surface of the metal material, wherein the percentage of bismuth atoms in the number of atoms in the surface layer of the metal material with a bismuth coating is at least 10%.

Circuits and techniques to linearize the operation of an RF power amplifier are described. A linearizer circuit may include a non-amplification signal path which includes a delay line and an amplification signal path which includes at least one amplifier stage. In some embodiments, the amplification signal path may include an odd number of amplification stages. The linearizer may be used to precondition an input signal of an RF power amplifier in a manner that improves the overall linearity of operation.

A liquid flow rate control valve is provided in which since a total area of overlapping sections of a communication hole group (38c, 38d) of a distributor (38) and an outlet opening (37a, 37b) of a sleeve (37) changes when the distributor (38) is rotated by a first electric motor (46), if a rotor (42) is rotated by means of a second electric motor (47), an input port (31e) communicates with an output port (31f) through an inlet opening (42c, 42d) of the rotor (42), the communication hole group (38c, 38d) of the distributor (38), and the outlet opening (37a, 37b) of the sleeve (37) when the inlet opening (42c, 42d) of the rotor (42) passes through the overlapping sections, thereby making it possible to carry out PWM control of a flow rate of liquid. Since a thrust load in an axis (L) direction does not act on the distributor (38) and the rotor (42), supporting the distributor (38) and the rotor (42) becomes easy, thereby enabling the cost and weight to be cut.

A method and apparatus are disclosed for efficient endothermic processing of liquids and the precipitation of dissolved elements and chemical compounds. Improvements over prior systems include system layout, components and modes of operation of the system. Applications of the system include destruction of toxic wastes and sewage treatment, precipitation of chemical compounds and elements including metals from solution (brine, sea water, industrial waste), sterilization and water purification, catalytic formation of chemical compounds, and processing of hydrocarbons.

A system that encodes a sequence of integers using a variable-length compression technique is described. During operation, the system scans the sequence of integers and observes the sizes of the integers to determine a threshold value K from the observed sizes. For a given integer which is N bits in length, if N−K is greater than or equal to zero, the system generates a tag for the encoded integer which comprises a sequence of N−K zeros followed by a one, and generates a set of remaining bits for the encoded integer as a sequence of the N bits which make up the integer. Otherwise, if N−K is less than zero, the system generates a tag for the encoded integer as a single one, and generates a set of remaining bits for the encoded integer by padding the N bits which make up the integer with zeros so that the set of remaining bits is K bits in length.

To improve productivity and increase seizing resistance and abrasion resistance of a sliding surface of a tilt adjustment cylinder, a plurality of pistons are arranged cirumferentially in a cylinder block configured to rotate with a rotating shaft. Tip end portions of the pistons slide along the swash plate, and the pistons reciprocate. The swash plate is supported to tilt with respect to the rotating shaft. Further, a tilt adjustment driving portion is included. The tilt adjustment driving portion includes tilt adjustment large- and small-diameter cylinder chambers and tilt adjustment large- and small-diameter pistons configured to slide in the cylinder chambers to change the tilt angle of the swash plate. A sliding surface of the inner peripheral surface of each of the cylinder chambers includes a quenched portion formed by quenching using laser light, the sliding surface being a surface on which the tilt adjustment piston slides.

A sensor assembly for a motor vehicle adapted for sensing impacts including pedestrian impacts. The sensor assembly includes first and second energy absorbing elements formed of differing materials which couple an applied force to the vehicle to a compressive force acting on a compressive sensor element. The first and second energy absorbers are combined in a manner to tune the response between the applied force and forces acting on the compressive sensor to provide desired response characteristics. The first and second energy absorbers can be configured to produce force flow paths which further aid in response tuning. Another embodiment utilizes an energy absorber having a shaped cross section which focuses and balances impact force is applied to the compressive sensor.

Disclosed is a method of producing a chemically pure and stably dispersed organic nanoparticle colloidal suspension using an ultrafast pulsed laser ablation process. The method comprises irradiating a target of an organic compound material in contact with a poor solvent with ultrashort laser pulses at a high repetition rate and collecting the nanoparticles of the organic compound produced. The method may be implemented with a high repetition rate ultrafast pulsed laser source, an optical system for focusing and moving the pulsed laser beam, an organic compound target in contact with a poor solvent, and a solvent circulating system to cool the laser focal volume and collect the produced nanoparticle products. By controlling various laser parameters, and with optional poor solvent flow movement, the method provides stable colloids of dispersed organic nanoparticles in the poor solvent in the absence of any stabilizing agents.

A system and method of operating the same includes an absorption tank having a compressor communicating gas thereto, a suspended solid filtration tank having a primary inlet, a secondary inlet, a primary outlet and a secondary outlet and a pump comprising a pump inlet coupled to the secondary outlet and a pump outlet communicating fluid to the absorption tank. The absorption tank forms a solution from the fluid and gas. A turbine mechanically couples the pump with a common shaft extending to the pump. The turbine has a turbine inlet coupled to the absorption tank and a turbine outlet coupled to the secondary inlet. The turbine depressurizes the solution. The system may also use a centrifugal pump in place of a turbine and absorption tank.

The present invention relates to an apparatus and a method for filtering liquid products. The apparatus includes a filtration bell provided with filtering device and connected to an inflow circuit and a first outlet circuit of the retentate, and to a second outlet circuit of the filtered liquid. The apparatus can include a monitoring and control unit, a first and second sensing device suitable for detecting the value of a first pressure PT1 in the first outlet circuit and of a second pressure PT2 in the second outlet circuit, a flow rate detection device that detects the value of a first flow rate FIT in the second outlet circuit, and value device arranged in the second circuit downstream of the second sensing device. The monitoring and control unit includes a device to control the closure of the valve device and to start a process of backwashing the filtering device.