Abstract: A display panel includes a liquid crystal cell, a first polarizing assembly and a second polarizing assembly. The liquid crystal cell includes a first substrate and a second substrate disposed opposite to each other, and a liquid crystal layer disposed between the first substrate and the second substrate. The first polarizing assembly is disposed on a side of the first substrate further away from the liquid crystal layer and includes at least a first polarizing layer having a first transmission axis, and the first polarizing assembly is configured for generating polarized light whose polarization direction is parallel to the first transmission axis. The second polarizing assembly is located on a side of the second substrate further away from the liquid crystal layer and includes at least a transflective layer and a light absorbing layer.

Abstract: The present invention provides an acrylate-based copolymer obtained by polymerizing constituent monomers including a polymerizable monomer (a) consisting of an alkyl acrylate-based monomer represented by the following general formula (1) in an amount of from 10 mol % to 95 mol % with respect to a total number of moles of the constituent monomers, a polymerizable monomer (b) consisting of an alkylene glycol acrylate-based monomer represented by the following general formula (2) in an amount of from 5 mol % to 50 mol % with respect to the total number of moles of the constituent monomers, and at least one kind of polymerizable monomer (c) selected from the group consisting of an aromatic vinyl-based monomer (c-1) and a short-chain alkyl acrylate-based monomer (c-2) represented by the following general formula (3) in an amount of from 0 mol % to 60 mol % with respect to the total number of moles of the constituent monomers.

Abstract: The thermoplastic resin composition includes: a (meth)acrylic acid ester copolymer obtained by polymerizing a vinyl monomer mixture containing 50% by mass or more and less than 80% by mass of a (meth)acrylic acid ester monomer and 12-39% by mass of an aromatic vinyl monomer; a hindered amine compound having a molecular weight of 200-1800; and an ultraviolet absorber compound having a maximum absorption wavelength at 250-300 nm. The thermoplastic resin composition optionally includes a graft copolymer, and the hindered amine compound is present in an amount of 0.4-1.8 parts by mass, the ultraviolet absorber compound is present in an amount of 0.1-1.6 parts by mass, and a sum of the amounts of the hindered amine compound and the ultraviolet absorber compound is not more than 2.0 parts by mass, each relative to 100 parts by mass of a combination of the (meth)acrylic acid ester copolymer and the graft copolymer.

Abstract: According to one embodiment, a display device includes a display panel configured to modulate a first polarization component, a first viewing angle control panel including a first liquid crystal layer containing twisted liquid crystal molecules, a second viewing angle control panel including a second liquid crystal layer containing twisted liquid crystal molecules, and a polarization axis rotation element provided between the first viewing angle control panel and the display panel. A second polarization axis of a second polarization component which passed through the first viewing angle control panel is different from a first polarization axis of the first polarization component. The polarization axis rotation element is configured to rotate the second polarization axis.

Abstract: A display device includes a display panel, a protection film which faces the display panel and includes a first surface closest to the display panel and a second surface which is opposed to the first surface, a first anti-static layer which defines the first surface of the protection film, a second anti-static layer which faces the first anti-static layer and defines the second surface of the protection film, and a polyimide film between the first anti-static layer and the second anti-static layer, and an adhesive layer which forms an interface with the first surface of the protection film and attaches the protection film to the display panel.

Abstract: A color conversion panel includes: a substrate defining a first surface through which external light is incident to the substrate and a second surface which is opposite to the first surface and through which the external light exits the substrate; a reflective polarization film at the first surface of the substrate; and at the second surface of the substrate, a first color conversion layer and a second color conversion layer each on the second surface of the substrate; a polarization layer on the first color conversion layer and the second color conversion layer; and a planarization layer between the polarization layer and the first color conversion layer and between the polarization layer and the second color conversion layer.

Abstract: A privacy filter, a display panel, and a display device are provided. The display panel includes a panel body, and a first polarizer, a dimming liquid crystal layer, and a second polarizer that are sequentially disposed on one side of the panel body. The dimming liquid crystal layer includes a plurality of polymer networks and a plurality of liquid crystal molecules distributed in the polymer networks, wherein the plurality of polymer networks are arranged in a first direction, the first direction tilts relative to a normal direction of the first polarizer, and an optical axis direction of the first polarizer is parallel to an optical axis direction of the second polarizer.

Abstract: A display panel includes a first substrate, a second substrate, a liquid crystal layer, and a first polarizing layer disposed corresponding to the first substrate. The first polarizing layer includes a first sublayer, a second sublayer, and a first polarizing material layer disposed between the first sublayer and the second sublayer. The first sublayer has a first shrinkage force, the second sublayer has a second shrinkage force, and the shrinkage direction of the first shrinkage force is parallel to the shrinkage direction of the second shrinkage force.

Abstract: A display device includes a display panel and a polarizer positioned above the display panel. The display panel includes a flat-surface part having a flat state and a curved-surface part having a curved state. The flat-surface part is adjacent to the curved-surface part. The polarizer includes a first polarization region corresponding to the flat-surface part and a second polarization region corresponding to the curved-surface part. The polarizer comprises a hard coating layer, positioned on the first polarization region.

Abstract: A method of making a polarizer can include applying a liquid with solid inorganic nanoparticles dispersed throughout a continuous phase, then forming this into a different phase including a solid, interconnecting network of the inorganic nanoparticles. This method can improve manufacturability and reducing manufacturing cost. This method can be used to provide an antireflective coating, to provide a protective coating on polarization structures, to provide thin films for optical properties, or to form the polarization structures themselves.

Abstract: An optical laminate is provided. When the optical laminate is applied to an OLED display device, the problem of visibility due to reflection of external incident natural light of the device can be solved, and simultaneously its display quality can also be improved.

Abstract: An optical system comprises a turning film and a lenticular diffuser. The lenticular diffuser comprises a structured surface comprising a plurality of microstructures each comprising a lenticular prism having linear end sections connected by a blend section separated by a substantially flat land area, wherein the blend section shape is a segment of an ellipse of 2nd, 4th or 6th order polynomial.

Abstract: An optical stack for a display device includes multiple layers that are incorporated into a display device that further includes a display panel. The optical stack includes a resin layer, an alignment film, an optical compensation layer, a polarizer, and a hard coat layer that are stacked in this order from a panel side. The optical stack is formed by preparing and coating a solution for each layer, and then curing and otherwise treating each layer as warranted for a particular layer, in turn to form the optical stack.

Abstract: A light control member and a light control device in which a non-electrode region is less visible. A light control film is a light control member having controllable transmissivity and includes: an undivided first common electrode; divided first electrodes; a first liquid-crystal layer disposed between the first common electrode and the first electrodes; an undivided second common electrode; divided second electrodes; and a second liquid-crystal layer disposed between the second common electrode and the second electrodes. First non-electrode lines dividing the first electrodes and second non-electrode lines dividing the second electrodes are arranged at positions not overlapping one another when viewed in the direction normal to the light control film.

Abstract: Provided is a display device in which warping of a display panel is sufficiently reduced or prevented. The display device includes: a display panel; and a polarizer, the polarizer being provided with at least one notch that extends inward from an outer edge of the polarizer.

Abstract: A method of reducing optical artifacts includes injecting a light beam generated by an illumination source into a polarizing beam splitter (PBS), reflecting a spatially defined portion of the light beam from a display panel, reflecting, at an interface in the PBS, the spatially defined portion of the light beam towards a projector lens, passing at least a portion of the spatially defined portion of the light beam through a circular polarizer disposed between the PBS and the projector lens, reflecting, by one or more elements of the projector lens, a return portion of the spatially defined portion of the light beam, and attenuating, at the circular polarizer, the return portion of the spatially defined portion of the light beam.

Abstract: In the optical composite sheet according to an embodiment, optical functional elements such as a prism sheet and a light diffusion layer are combined, and a light absorbing layer that selectively absorbs light of a specific wavelength band is inserted, so that the optical performance and color gamut can be enhanced as compared with the prior art. In particular, it is possible to minimize the decrease in luminance due to the absorption of light by the light absorbing layer while enhancing the color gamut by adjusting the lamination configuration of the optical composite sheet.

Abstract: An anti-peeping display device including a display panel and a viewing angle control module, which are stacked, is provided. The viewing angle control module includes a first polarization layer, a first liquid crystal layer, a second polarization layer, a second liquid crystal layer and a third polarization layer that are sequentially stacked. The phase retardations of the first liquid crystal layer and the second liquid crystal layer are within 700 nm to 1200 nm.

Abstract: A system and method are provided for reconstructing 3-D point cloud. A light source generates light that is received by a polarization field generator, which generates a polarization field that illuminates the target object being imaged such that each outgoing ray has a unique polarization state. A camera captures images of the illuminated target object and the captured images are received by a processor that: (1) performs a polarization field decoding algorithm that decodes the polarization field to obtain a set of incident rays; (2) performs a camera ray decoding algorithm to obtain a set of camera rays; (3) performs a ray-ray intersection algorithm that determines intersection points where the incident rays and the camera rays intersect; and (4) performs a 3-D reconstruction algorithm that uses the set of incident rays, the set of camera rays and the intersection points to reconstruct a 3-D point cloud of the target object.

Abstract: According to one embodiment, in a display device a first panel includes a first polarizing plate, a second polarizing plate, and a first liquid crystal panel interposed between the first polarizing plate and the second polarizing plate, a second panel includes a third polarizing plate, a fourth polarizing plate, and a second liquid crystal panel interposed between the third polarizing plate and the fourth polarizing plat, and a polarizing plate, which is located second from a surface close to an illumination device and a surface closest to an observer, has an extinction ratio that is lower than that of each of the other polarizing plates.

Abstract: Provided is a waveguide structure including an output grating, a polarization conversion element provided parallel to the output grating, and a polarization separation element provided between the output grating and the polarization conversion element, wherein the polarization separation element is configured to transmit, to the output grating, light having a first polarization direction among light incident on the polarization separation element, and reflect, to the polarization conversion element, light having a second polarization direction different from the light having the first polarization direction among the light incident on the polarization separation element.

Abstract: Provided is an optically anisotropic layer formed of a liquid crystal compound, which includes first and second layers in direct contact along a thickness direction, an alignment state of the liquid crystal compound in the first layer is different from the second layer, and the optically anisotropic layer satisfies a relationship of Expression (2A) Xmax/Xmin<1.10 where a region within a square having a largest size that can be drawn on a surface of the optically anisotropic layer is subdivided into 64 square-shaped sub-regions having the same area, a thickness d1 of the first layer and a thickness d2 of the second layer at a center position of the sub-region are obtained, X represented by Expression (1) X=d1/(d1+d2) for each sub-region is calculated, and among the calculated 64 X's, a maximum value is defined as Xmax and a minimum value is defined as Xmin.

Abstract: The present application provides a polarizer and a liquid crystal display device. The polarizer includes a resin layer, the resin layer includes a whisker, an acute angle is formed by a long-axis direction of each of the whiskers and a bottom surface of the resin layer, and the acute angle is greater than 0° and less than or equal to 40°.

Abstract: An optically anisotropic layered body including a first optically anisotropic layer and a second optically anisotropic layer, wherein the first optically anisotropic layer satisfies the following formula (1), the second optically anisotropic layer satisfies the following formula (2), and the optically anisotropic layered body satisfies the following formulae (3) and (4): nx1?ny1>nz1??Formula (1), ny2<nx2?nz2??Formula (2), Re(450)<Re(550)<Re(650)??Formula (3), and 0<NZ<1.0??Formula (4), wherein nx1, ny1, nz1, nx2, ny2, nz2, Re(450), Re(550), Re(650) and NZ are as defined in the Specification.

Abstract: An apparatus includes a display panel configured to display an image, a vibration apparatus disposed at a rear surface of the display panel and having the display panel vibrated; and a supporting member including a plurality of holes that at least partly overlaps with the vibration apparatus, wherein the plurality of holes are arranged in a first direction and a second direction intersecting with the first direction, thereby enhancing a sound characteristic and a sound pressure level characteristic of the apparatus.

Abstract: The present invention provides: a laminate which has excellent moisture-heat resistance and includes a light-absorbing anisotropic layer sandwiched between pressure sensitive adhesive layers; and an image display device using the same. The laminate includes a pressure sensitive adhesive layer, a light-absorbing anisotropic layer, and a pressure sensitive adhesive layer in this order, in which the light-absorbing anisotropic layer contains an organic dichroic substance, a thickness of the light-absorbing anisotropic layer is 5 ?m or less, the pressure sensitive adhesive layer and the pressure sensitive adhesive layer are each a pressure sensitive adhesive layer at a closest position as viewed from the light-absorbing anisotropic layer in the laminate, and H represented by Expression (I) is 10.0 or less.

Abstract: A waveguide is provided. The waveguide includes a substrate having two outer surfaces for propagating a beam of light in the substrate by reflecting the beam from the two outer surfaces. The waveguide includes at least one polarization volume hologram (PVH) grating to couple light in and/or out of the waveguide. The PVH grating may be a multi-layer PVH grating with graded birefringence.

Abstract: A display device includes a first substrate, a first connection line disposed on a surface of the first substrate, a thin film transistor layer disposed on the first connection line, the thin film transistor layer including a plurality of thin film transistors, a first pad portion disposed on another surface of the first substrate, and a plurality of conductive parts disposed in the first substrate, including a material different from those of the first connection line and the first pad portion, and electrically connecting the first connection line and the first pad portion. The plurality of conductive parts include carbon nanotubes.

Abstract: The display panel includes: a display substrate, wherein the display substrate includes a color film substrate and an array substrate, a surface of the color film substrate away from the array substrate is provided with a color film polarizer, at least two preset points are provided on the display substrate, the at least two preset points are electrically connected to the color film polarizer, and the at least two preset points are electrically connected to the driving circuit, so as to form at least one first anti-static ring; and at least one grounding line, wherein the at least one grounding line is electrically connected to the array substrate, and electrically connected to the driving circuit, so as to form at least one second anti-static ring surrounding the display substrate. A display device is also provided.

Abstract: According to one embodiment, a liquid crystal device includes a first liquid crystal cell and a second liquid crystal cell. The first liquid crystal cell and the second liquid crystal cell each include a first strip electrode, a second strip electrode, a third strip electrode and a fourth strip electrode. The extension direction of each of the first strip electrode and the second strip electrode in the first liquid crystal cell is different from the extension direction of each of the first strip electrode and the second strip electrode in the second liquid crystal cell. The extension direction of each of the first strip electrode and the second strip electrode is orthogonal to the extension direction of each of the third strip electrode and the fourth strip electrode.

Abstract: A transparent substrate for a liquid crystal device includes an alignment layer that regulates an alignment direction of liquid crystal molecules contained in a liquid crystal layer of the liquid crystal device, and a base layer on which the alignment layer is formed. The transparent substrate includes a first surface and a second surface opposite the first surface. The first surface is a surface of the alignment layer, and the second surface is a surface of the base layer. The coefficient of static friction between the first surface and the second surface is less than or equal to 1.3. The transparent substrate has a hardness of F or higher in a pencil harness test on the first surface or on a surface of the base layer opposite the second surface.

Abstract: A stacked-screen display device and a method for controlling a display device are provided. The stacked-screen display device includes a backlight module, a light control panel and a display panel which are stacked in sequence, where the backlight module includes a backplane, a reflector and a diffuser which are stacked in sequence, and the reflector is provided with a plurality of light-emitting units, the backlight module is provided with temperature sensors, the temperature sensors are configured to detect the temperature of the backlight module to compensate the display panel according to the temperature.

Abstract: Mirrors including reflective backlit displays are described. In particular, mirrors including backlit displays with a backlight, a liquid crystal cell including a liquid crystal layer disposed between two opposing transparent substrate layers, a first reflective polarizer, and a second reflective polarizer are described. The first and second reflective polarizers are each directly laminated to one of the opposing transparent substrate layers. Mirrors described herein may be configured as vehicle rear-view mirrors.

Abstract: A vehicle can include a window including an interior side and an exterior side. The vehicle can include a camera located on an exterior of the vehicle. The camera can be operatively positioned to capture visual data of a blind spot of an external environment of the vehicle. The vehicle can include a dual-sided transparent display forming at least a portion of the window. The vehicle can include a processor operatively connected to the camera and the dual-sided transparent display. The processor can be configured to selectively cause the dual-sided transparent display to display exterior visual information on the exterior side. The processor can be configured to selectively cause the dual-sided transparent to display interior visual information on the interior side. The interior visual information can include the visual data of the blind spot of the vehicle.

Abstract: A display panel is provided. The display panel includes a base substrate; a bank layer on the base substrate, the bank layer defining a plurality of bank apertures; a quantum dots material layer on the base substrate, the quantum dots material layer comprising a plurality of quantum dots blocks respectively in at least some of the plurality of bank apertures; a barrier coating layer in a respective one of the plurality of bank apertures; and an encapsulating layer on a side of the barrier coating layer closer to the base substrate. At least a portion of the barrier coating layer is in direct contact with a portion of the encapsulating layer.

Abstract: According to one embodiment, a liquid crystal device includes a first liquid crystal cell and a second liquid crystal cell. The first liquid crystal cell and the second liquid crystal cell each include a first strip electrode, a second strip electrode, a third strip electrode and a fourth strip electrode. The extension direction of each of the first strip electrode and the second strip electrode in the first liquid crystal cell is different from the extension direction of each of the first strip electrode and the second strip electrode in the second liquid crystal cell. The extension direction of each of the first strip electrode and the second strip electrode is orthogonal to the extension direction of each of the third strip electrode and the fourth strip electrode.

Abstract: A cholesteric liquid crystal composite display device includes a cholesteric liquid crystal reflective display device and a transmissive display device. The transmissive display device is located below the cholesteric liquid crystal reflective display device. When the cholesteric liquid crystal reflective display device is displayed in a transparent state, the light transmittance of the cholesteric liquid crystal reflective display device is higher than that of the cholesteric liquid crystal reflective display device when it is displayed in a dark state through a rated driving mode. Thereby, the display of the cholesteric liquid crystal composite display device is made clearer and the display quality is improved.

Abstract: A vehicle can include a window. The window can include an interior side and an exterior side. The vehicle can include a camera operatively positioned to capture visual data of a portion of an exterior environment of the vehicle. The vehicle can include a dual-sided transparent display forming at least a portion of the window. The vehicle can include a processor operatively connected to the camera and the dual-sided transparent display. The processor can be configured to selectively cause the dual-sided transparent display to display exterior visual information on the exterior side. The processor can be configured to cause the dual-sided transparent display to display interior visual information on the interior side. The interior visual information can include the visual data of the portion of the exterior environment of the vehicle.

Abstract: A display device is provided. The display device includes a mirror display, a three-dimensional camera positioned toward a front direction of the mirror display, and a controller configured to detect facial contours of a user from three-dimensional face images of the user photographed at at least two different time points by the three-dimensional camera, identify a change of the facial contours between the two time points based on the detected facial contours, and control the mirror display to display information about the change of the facial contours.

Abstract: According to one embodiment, a display device includes a display panel configured to modulate a first polarization component, a first viewing angle control panel including a first liquid crystal layer containing twisted liquid crystal molecules, a second viewing angle control panel including a second liquid crystal layer containing twisted liquid crystal molecules, and a polarization axis rotation element provided between the first viewing angle control panel and the display panel. A second polarization axis of a second polarization component which passed through the first viewing angle control panel is different from a first polarization axis of the first polarization component. The polarization axis rotation element is configured to rotate the second polarization axis.

Abstract: An organic light emitting diode display is provided. The organic light emitting diode display comprises an organic light emitting diode panel, a quarter-wavelength retarder disposed on the organic light emitting diode panel, a polarizer disposed on the quarter-wavelength retarder, an adhesive layer disposed on the polarizer and a diffraction grating film adhered to the polarizer by the adhesive layer. The diffraction grating film comprises a substrate and a first diffraction grating layer comprising a plurality of first gratings aligned with a first direction disposed on the substrate.

Abstract: An electrically controlled birefringence liquid crystal display device performs a normally black display. The display device includes a liquid crystal display panel including a liquid crystal layer and a reflective portion to reflect light that is incident through a display surface of the liquid crystal display panel and that passes through the liquid crystal layer, a first polarizing plate on the display surface, and a half-wavelength plate between the liquid crystal display panel and the first polarizing plate. A phase difference ?nd?1 of the liquid crystal layer is less than a half of a phase difference ?nd?2 of the half-wavelength plate. The phase difference ?nd?2 of the half-wavelength plate indicates a positively dispersive wavelength, and a low axis of the half-wavelength plate intersects with an orientation axis of liquid crystal molecules in the liquid crystal layer under no electric field being applied.

Abstract: According to an aspect, a display device includes: an array substrate comprising a plurality of pixel electrodes; a counter substrate comprising a common electrode in a position at least overlapping the pixel electrodes; a liquid crystal layer between the array substrate and the counter substrate; and a light source disposed so as to emit light into a side surface of the array substrate or a side surface of the counter substrate. The array substrate includes, in a display region: a plurality of signal lines arranged in a first direction with spaces between the signal lines; a plurality of scanning lines arranged in a second direction with spaces between the scanning lines; and common potential wiring provided outside the display region. The counter substrate comprises light-blocking coupling wiring that couples the common electrode to a conductive first power feeding portion.

Abstract: The present technology relates to a camera module that is enabled to have a lower height. The camera module includes a supporting component that includes an opening through which light from a lens collecting the light passes, the supporting component supporting an optical component between the lens and an imaging element that performs photoelectric conversion of the light, the optical component being placed so as to cover the opening and being supported on a side of the supporting component closer to the imaging element. In addition, around the opening, there is disposed a sloped portion inclined in the thickness direction of the supporting component, and the supporting component is placed such that the slope of the sloped portion and the lens face each other.

Abstract: A liquid crystal device includes a liquid crystal panel including a liquid crystal layer as a first liquid crystal layer, a first polarizing element, a second polarizing element, a first phase difference adjusting element arranged between the first polarizing element and the liquid crystal panel and including a liquid crystal layer as a second liquid crystal layer, a second phase difference adjusting element arranged between the liquid crystal panel and the second polarizing element and including a liquid crystal layer as a third liquid crystal layer, and a first phase difference controlling element driving unit and a second phase difference controlling element driving unit as control units configured to control a value of a voltage applied to the first phase difference adjusting element and the second phase difference adjusting element, based on image data input to the liquid crystal panel.

Abstract: An optical element includes, sequentially from a viewing surface side toward a back surface side: a viewing-surface-side polarizer; a retarder; and a back-surface-side polarizer, a transmission axis of the viewing-surface-side polarizer and a transmission axis of the back-surface-side polarizer being parallel to each other, the optical element having an average angle ? between an angle ?1 and an angle ?2 of greater than 0° and smaller than 90°, wherein the angle ?1 represents an angle formed by an optical axis of the retarder on a surface close to the back surface with the surface close to the back surface; and the angle ?2 represents an angle formed by an optical axis of the retarder on a surface close to the viewing surface with the surface close to the viewing surface.

Abstract: The present application realizes an anti-reflection film or the like that is a layered product having low surface reflectivity, excellent thermoformability, and satisfactory abrasion resistance. This anti-reflection film includes: a base material layer including a thermoplastic resin; and a low-refractive-index layer which is stacked on at least one surface of the base material layer and which has a refractive index that is lower than the refractive index of the base material layer, wherein the low-refractive-index layer includes a polymer of a first resin material including a fluorine-containing urethane acrylate and a (meth)acrylate.

Abstract: A display panel and a display device are provided. The display panel includes a light-filtering layer, a color film substrate, a driving substrate, and a reflecting layer. The reflecting layer, the driving substrate, the light-filtering layer, and the color film substrate are stacked in sequence. The light-filtering layer includes a black matrix with multiple second openings, and each of the multiple second openings is filled with one light-filtering sub-pixel. The reflecting layer defines multiple first openings, and each of the multiple first openings is aligned with one second opening.

Abstract: An object of the present invention is to provide a polarizer with a high degree of alignment and an image display device including the polarizer. The polarizer of the present invention is a polarizer which is formed of a polarizer-forming composition containing a liquid crystal compound, a first dichroic material, and a second dichroic material, in which the first dichroic material and the second dichroic material are aligned horizontally with respect to a surface of the polarizer, the first dichroic material is a compound compatible with the liquid crystal compound, and the second dichroic material is a compound which is not compatible with the liquid crystal compound.

Abstract: Embodiments of the present disclosure include apparatuses and methods for sensor blocking. In a number of embodiments, a method can include operating a sensor block of an apparatus in a first mode to allow a sensor to receive inputs, and operating the sensor block in a second mode to inhibit the sensor from receiving the inputs. A sensor block can be used to prevent a sensor, such as an image sensor, from receiving an input, such as a light source input, to capture image data. A sensor block can be used to prevent a sensor from capturing image data even when an application causing to the sensor to operate, such as when applications have access to the sensor, but the user of a device is unaware that an application is using the sensor. The sensor block can be used to prevent the sensor from capturing useful images and the sensor can only capture a black image of the sensor block and not the surroundings of the device.