Abstract: A lens for a camera that has a flash and an image sensor is disclosed. The lens includes a transparent portion including a flash portion for covering the flash and an image sensor portion for covering the image sensor. The lens also includes a barrier positioned between the image sensor portion and the flash portion. The barrier has a top portion and a lower portion, the lower portion defining a plurality of securing holes such that lens material passes through at least some of the securing holes to secure the barrier to the transparent portion.

Abstract: A projector assembly having a projecting device and a display screen with a film. The display screen is changeable from between opaque and transparent and the projecting device selectively rear projects an image onto the film such that the image is visible to a user generally from the front side of the screen. When the projector is off or the projection of images is otherwise stopped under predetermined conditions, the screen becomes transparent to provide the user a clear view through the display screen. When the projector is off power is simultaneously applied to the film which becomes transparent. A control device coordinates the application of power with the image projection, such that when the projected image is removed the screen becomes clear to see through the display screen, and when the projected image returns the screen becomes opaque for viewing the image.

Abstract: In a vehicle head-up display device that reflects a display light transmitted through a dust-proof cover on a windshield or a combiner, and viewably displays display information as a virtual image from a driver's seat of a vehicle, the dust-proof cover has a light transmissive property produced by being rolled, when a line between a first point a first end side of the display in a longitudinal direction of the display and a second point being at the same height as the first point in a second end side opposite to the first end side is a longitudinal axis, and a luminance of a virtual image is adjusted by adjusting an angle between a rolling direction of a resin sheet used for the dust-proof cover and a virtual image longitudinal axis, which corresponds to the longitudinal axis, of a virtual image of the display reflected by the reflector.

Abstract: A Head Up Display (HUD) device in a vehicle and including a display panel configured to output an image containing driving information; a concave mirror configured to reflect the image to a windshield of the vehicle, so as to display a virtual image via the windshield in a forward direction of a driver of the vehicle, wherein the virtual image corresponds to a view box being an area in which the entire image containing the driving information is seen by the driver; a sensing unit configured to sense a position of the driver; a drive unit configured to move the concave mirror, and a controller configured to control the drive unit to correspondingly move the concave mirror in order to move the view box when the sensing unit senses a variation in the position of the driver.

Abstract: A head up display for a vehicle, the head up display including a display panel configured to emit image light; a polarized light plate configured to linearly polarize the image light emitted from the display panel; a reflection mirror configured to reflect the image light to a windshield of the vehicle; a phase retardance mirror spaced apart from the reflection mirror to reflect the image light forward while converting a phase of the image light, wherein the phase retardance mirror includes a rear mirror and a phase retarder disposed on a front surface of the rear mirror; and a polarization reflection mirror disposed between the reflection mirror and the phase retardance mirror and configured to reflect the image light passing through the polarized light plate to the phase retardance mirror, wherein the image light reflected to the phase retardance mirror is converted in phase by the phase retardance mirror and reflected by the phase retardance mirror to pass through the polarization reflection mirror.

Abstract: A head-mounted display device that enables a user to visually recognize a virtual image and an outside scene includes an image display unit configured to cause the user to visually recognize the virtual image, a detecting unit configured to detect a visual line direction of the user, and a display switching unit configured to switch, according to the detected visual line direction, display of the virtual image by the image display unit between outside scene preferential display for preferentially displaying the outside scene and virtual image preferential display for preferentially displaying the virtual image.

Abstract: A system (100), apparatus (110), and method (900) for displaying an image (880). The system (100) can use an aspherical lens (450) to direct light (800) in the interim image (850) towards the viewer (96) of the final image (880) displayed by the system (100). Use of the aspherical lens (450) expands the FOV (860) accessible to the viewer (96) and reduces exit pupil drift (480).

Abstract: A head-mounted display having a first light incident region and a first light emitting region is provided. The head-mounted display includes a first light-guide plate, a first micro-display, a first reflector, a first collimating lens and a first filling structure. A first inner surface of the first light-guide plate has plural first hollow microstructures located in the first light emitting region. The first micro-display is located in the first light incident region and faces the first inner surface. The first reflector is located in the first light incident region, obliquely disposed at the first light-guide plate and faces the first micro-display. The first collimating lens is disposed between the first reflector and the first micro-display. The first filling structure fills in the first hollow microstructures, wherein a refractive index of the first filling structure is greater than a refractive index of the first light-guide plate.

Abstract: In a general aspect, an apparatus can include a goggle portion having a chassis that is open on a first side, a lens assembly disposed on a second side of the chassis of the goggle portion and a ledge disposed around an interior perimeter of the chassis of the goggle portion. The ledge can be configured to physically support an electronic device inserted in the goggle portion. The apparatus can also include a cover portion having a chassis that is open on a first side and at least partially closed on a second side. The cover portion can be configured to be placed over the goggle portion, such that at least a portion of the goggle portion is disposed within the cover portion and the electronic device is retained between the ledge and an interior surface of the second side of the cover portion.

Abstract: A virtual reality goggle includes a goggle shaped body having multiple cameras mounted thereon. A display is supported by the goggle shaped body. A support extends between sides of the goggle shaped body and includes multiple cameras. Circuitry is coupled to receive video from the multiple cameras, the video comprising a composite field of view of approximately 360 degrees about the goggle, the circuitry to couple to a wireless communication device to transmit the received video to networked processing services, and to receive stitched stereoscopic three dimensional virtual reality video from the networked processing services, the circuitry further coupled to provide the received stitched stereoscopic three dimensional virtual reality video for display.

Abstract: An illumination optical apparatus illuminates a pattern on a mask with illumination light. The illumination optical apparatus includes an optical integrator arranged in an optical path of the illumination light, and a polarization member made of optical material with optical rotatory power, which is arranged in the optical path on an incidence side of the optical integrator, and which changes a polarization state of the illumination light. The illumination light from the polarization member is irradiated onto the pattern through a pupil plane of the illumination optical apparatus.

Abstract: Device for shaping laser radiation (10a, 10c), comprising a component (1) having an entrance face (2) and an exit face (3), a first lens array (4) on the entrance face (2) with a plurality of lenses (5a, 5c, 5e) juxtaposed in the X-direction, and a second lens array (6) on the exit face (3) with a plurality of lenses (7a, 7c, 7e) juxtaposed in the Y-direction, wherein the laser radiation (10a, 10c) is deflected by a first one of the lenses (5a, 5c, 5e) of the first lens array (4) with respect to the X- and Y-direction by a different angle than from a second one of the lenses (5a, 5c, 5e) of the first lens array (4), and/or wherein the laser radiation (10a, 10c) is deflected by a first of the lenses (7a, 7c, 7e) of the second lens array (6) with respect to the X- and Y-direction by a different angle than by a second one of the lenses (7a, 7c, 7e) of the second lens array (6).

Abstract: In various embodiments, wavelength beam combining systems feature multiple beam emitters each emitting an individual beam, as well as multiple micro-optics arrangements each disposed optically downstream from a beam emitter to intercept the beam emitted thereby and direct the beam toward a dispersive element for combination into a multi-wavelength output beam.

Abstract: The present application discloses a beam combining device, which includes a reflective diffractive grating surface configured to combine a first, a second and a third incident light beam having different colors to a single diffracted mixed-color light beam when impinging on the reflective diffractive grating surface, wherein a profile of the grating surface is configured according to an optimization criterion with respect to a diffraction efficiency.

Abstract: An autostereoscopic display system includes a display including a plurality of addressable pixels. Each of the plurality of pixels includes two or more sub-pixels. The display is adapted to have n views in the horizontal direction wherein n is an integer greater than or equal to 2. A native pixel density of the display in the horizontal direction divided by n is greater than 75% of a native pixel density in the vertical direction. The system further includes a view selector that, for each of two or more viewing perspectives, makes one of the views visible and a multiplexer system in operative connection with the display. The multiplexer system is adapted to controllably shift light horizontally from at least one of the plurality of pixels.

Abstract: An image display device includes a display panel displaying an image, and a diffractive element formed to operate in a 2D mode or a 3D mode so that the image of the display panel is perceived as a 2D image or a 3D image after passing through the diffractive element. In the image display device, the diffractive element includes a first substrate and a second substrate facing each other, a first electrode layer formed on the first substrate that includes a plurality of zones, a second electrode layer formed on the second substrate, and a liquid crystal layer interposed between the first substrate and the second substrate. Further, when the diffractive element operates in the 3D mode, a common voltage is applied to the second electrode layer, and polarity of voltages applied to the first electrode layer with respect to the common voltage is inverted every zone.

Abstract: The disclosure relates to a 3D display device. The 3D display device includes a display panel and an electrochromic grating that is located on a light output side of the display panel; wherein the electrochromic grating comprises: a first transparent electrode layer, an electrochromic layer, a solid electrolyte layer and a second transparent electrode layer that are overlapped on a substrate of the display panel in sequence. As the solid electrolyte layer is used replacing the process in prior art that an upper and lower glasses substrates are used to package the electrochromic grating and thus avoiding complex packaging process, the 3D display device can be thinned. Further, as the electrochromic grating is directly formed on the substrate of the display panel, alignment between the electrochromic grating and the sub-pixels in the display panel can be more simple and accurate.

Abstract: A display device includes a display panel, and a depth perception adjusting unit for adjusting a depth perception, based on polarization characteristics of light output from the display panel, wherein the depth perception adjusting unit includes a directional mirror and a reflective polarizer. Thus, the display device is implemented such that the directional mirror transmits or reflects light depending on an advancing direction of the light. Accordingly, any crosstalk phenomenon does not occur, and a depth perception can be adjusted without any loss of brightness efficiency.

Abstract: An optical imaging system having an aperture comprised of a plurality of concentric annuli. The outer radius of each annulus is proportional to the square root of the number of annuli. Each annulus also having an azimuthally linearly increasing phase profile comprising for a given light wavelength. The system also includes a birefringent plate and the aperture and birefringent plate are adapted to jointly encode the full spatial and polarimetric degrees of freedom of a point source.

Abstract: A lens assembly and test apparatus includes a bearing tray, a controller, a lens eccentricity detection system, a lens assembly device, a dispensing device and a resolution detection device. The bearing tray includes a mechanical arm. The lens eccentricity detection system, the lens assembly device, the dispensing device and the resolution detection device are arranged along the edge of the bearing tray. The controller is configured to control the bearing tray and the mechanical arm, and make the mechanical arm grab an optic lens and arrange the optic lens in the lens eccentricity detection system, and the lens assembly device in sequence. The lens eccentricity detection system is configured to detect the optic lens. The lens assembly device is configured to assemble the optic lens into a lens barrel to form a lens module. The dispensing device is configured to cement the lens module.

Abstract: A four-group or five-group zoom lens consists of, in order from the object side, a positive first group being fixed during magnification change, a negative second group being moved during magnification change, one or two middle groups including a positive mp lens group being moved during magnification change, and a positive rearmost group being fixed during magnification change. Zooming is effected by changing all distances between the adjacent groups. The rearmost group consists of, in order from the object side, a positive front group, a negative middle group, and a positive rear group. Air spaces between the front and middle groups, and between the middle and rear groups are constant during zooming and focusing. The front group includes at least two positive lenses and at least one negative lens. Image stabilization is effected by shifting the middle group perpendicularly to the optical axis. The zoom lens satisfies given condition expressions.

Abstract: Connection hinge for spectacles frames of the type adapted to connect the lateral sidearm of a spectacles frame to the front part of the same spectacles frame; the connection hinge being characterized by comprising: a cup-shaped body, which is structured so as to be fixed cantilevered in a rigid manner onto the lateral side of the front part of a spectacles frame, and is provided with a central cavity of substantially cylindrical shape and with a transversal, oblong, pass-through slot or cut, which extends along the lateral side of the cup-shaped body while remaining on a lying plane locally substantially perpendicular to the reference axis of the central cavity, and penetrates in the cup-shaped body up to said central recess; a central pin which has a cylindrical shape substantially complementary to that of the central cavity of the cup-shaped body, and is inserted in axially rotatable manner in the central cavity of the cup-shaped body; and a transverse locking plug which has an end rigidly fixed to the bod

Abstract: This invention discloses methods and apparatus for providing a variable optic insert into an ophthalmic lens. A liquid crystal layer may be used to provide a variable optic function and in some examples, an alignment layer for the liquid crystal layer may be patterned in a cycloidally dependent manner. The patterning may allow for a polarization dependent lens in some examples. An energy source is capable of powering the variable optic insert included within the ophthalmic lens. In some examples, an ophthalmic lens is cast-molded from a silicone hydrogel. The various ophthalmic lens entities may include electroactive liquid crystal layers to electrically control optical characteristics.

Abstract: This invention discloses methods and apparatus for providing a variable optic insert into an ophthalmic lens. A liquid crystal layer may be used to provide a variable optic function and in some examples, an alignment layer for the liquid crystal layer may be patterned in a cycloidally dependent manner. The patterning may allow for a polarization dependent lens in some examples. An energy source is capable of powering the variable optic insert included within the ophthalmic lens. In some examples, an ophthalmic lens is cast-molded from a silicone hydrogel. The various ophthalmic lens entities may include electroactive liquid crystal layers to electrically control optical characteristics.

Abstract: This invention discloses methods and apparatus for providing a variable optic insert into an ophthalmic lens. A liquid crystal layer may be used to provide a variable optic function and in some examples, an alignment layer for the liquid crystal layer may be patterned in a cycloidally dependent manner. The patterning may allow for a polarization dependent lens in some examples. An energy source is capable of powering the variable optic insert included within the ophthalmic lens. In some examples, an ophthalmic lens is cast-molded from a silicone hydrogel. The various ophthalmic lens entities may include electroactive liquid crystal layers to electrically control optical characteristics.

Abstract: A contact lens incorporating one or more compliant dynamic translation zones fabricated from a material that is readily deformable under eyelid pressure during blinking and which allows for the control over translation of the contact lens on the eye. The one or more compliant dynamic translation zones provide for the comfortable relative movement of the contact lens over the eye.

Abstract: Wearable electronic devices, for example wearable camera systems, and methods for attaching electronic devices such as camera systems to eyewear or other wearable articles are described.

Abstract: A system for integrated power combiners is disclosed and may include receiving optical signals in input optical waveguides and phase-modulating the signals to configure a phase offset between signals received at a first optical coupler, where the first optical coupler may generate output signals having substantially equal optical powers. Output signals of the first optical coupler may be phase-modulated to configure a phase offset between signals received at a second optical coupler, which may generate an output signal having an optical power of essentially zero and a second output signal having a maximized optical power. Optical signals received by the input optical waveguides may be generated utilizing a polarization-splitting grating coupler to enable polarization-insensitive combining of optical signals. Optical power may be monitored using optical detectors. The monitoring of optical power may be used to determine a desired phase offset between the signals received at the first optical coupler.

Abstract: An optical isolator for suppressing back reflections from a downstream optical system is described. The optical isolator includes a plurality of optical paths between a splitter and a combiner. One or more of the optical paths include two phase modulators that are driven by oscillating signals having predefined phase relationships. At least one bypass optical path does not include two phase modulators driven by oscillating signals. Amplitude and phase of an optical signal traversing the bypass optical path may be tuned to further suppress residual reflections from a downstream optical system.

Abstract: An electroabsorption modulator incorporates waveguiding regions along the length of the modulator that include quantum wells where at least two of the regions have quantum wells with different bandgaps. In one embodiment of the invention, the regions are arranged such that the quantum wells have bandgaps with decreasing bandgap energy along the length of the modulator from the modulator's input to its output. The bandgap energy of the quantum wells may be decreased in discrete steps or continuously. Advantageously, such an arrangement better distributes the optical absorption as well as the carrier density along the length of the modulator. Further advantageously, the modulator may handle increased optical power as compared with prior art modulators of similar dimensions, which allows for improved link gain when the optical modulator is used in an analog optical communication link.

Abstract: A device comprising a metal layer on a crystalline silicon substrate, and a waveguide that has a refractive index greater than that of the crystalline silicon, wherein the waveguide is arranged to couple light to a surface plasmon mode at an interface between the silicon substrate and the metal layer when a waveguide mode is phase matched to the surface plasmon mode.

Abstract: A metal-oxide-semiconductor (MOS) type semiconductor device, comprising a silicon substrate, a first cathode electrode and a second cathode electrode coupled to the silicon substrate and located on distal ends of the silicon substrate, a poly-silicon (Poly-Si) gate proximally located above the silicon substrate and between the first cathode electrode and the second cathode electrode, wherein the Poly-Si gate comprises a first post extending orthogonally relative to the silicon substrate comprising a first doped silicon slab, a second post extending orthogonally relative to the silicon substrate comprising a second doped silicon slab, wherein the second post is positioned so as to create a width between the first post and the second post, an anode electrode coupled to the first post and the second post and extending laterally from the first post to the second post, and a dielectric layer disposed between the first silicon substrate and the second silicon substrate.

Abstract: An optical assembly maintains 90° polarization rotation. In one aspect, an optical assembly includes a polarization beam splitter a rotational element and a path exchange mirror. The temperature, wavelength and manufacturing dependencies of polarization rotation of this optical assembly are minimal to nonexistent compared to conventional Faraday rotation assemblies as the optical fiber accepts only the desired rotation. As such these optical assemblies have no temperature and wavelength dependencies of the polarization rotation angle over broad temperature and wavelength ranges with minimal additional losses. In another aspect, the polarization dependence of reflection from the path exchange mirror is managed so as to minimize the polarization effect associated with oblique incidence.

Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including a first insulative substrate extending over a first area and a second area, a common electrode and a pixel electrode which are formed in the first area, and a pad of ground potential which is formed in the second area, a second substrate including a second insulative substrate, a liquid crystal layer held between the first substrate and the second substrate, a cover glass extending over the first area and the second area, a transparent, electrically conductive layer formed on an inner surface of the cover glass over the first area and the second area, and a connection member configured to electrically connect the electrically conductive layer and the pad in the second area.

Abstract: In accordance with an example embodiment of the present invention, an apparatus is disclosed. The apparatus includes a display section and a touch panel section. The touch panel section is adjacent the display section. The touch panel section includes a first layer, a second layer and a third layer. The first layer includes a conductive material. The second layer includes a bottom guard layer. The third layer includes a top guard layer. The first layer is between the second and third layers. The conductive material includes a color filter and a black matrix.

Abstract: Disclosed is a touch screen liquid crystal display device (LCD) that includes a first substrate that includes a plurality of pixels defined by crossings of gate lines and data lines, each pixel including a thin film transistor; a second substrate that includes a color filter and a black matrix; a liquid crystal layer between the first substrate and the second substrate; a plurality of gap column spacers on the second substrate and contacting the first substrate; a press column spacer on the second substrate and spaced apart from the first substrate; and a third substrate attached to the second substrate, wherein the plurality of gap column spacers have a density of 0.05% to 0.11% with respect to a display region of the first substrate.

Abstract: The present invention provides a method for manufacturing a PDLC display device and a PDLC display device. The method for manufacturing a PDLC display device according to the present invention includes mixing PDLC with graphene nanoparticles to improve the response speed of the PDLC and reduce a driving voltage of the PDLC, and also combines QDs to make a novel high color saturation display device, which requires no alignment layer and polarizer, providing a simple manufacturing process, showing an innovated and unique displaying effect, demonstrating at least four displaying modes of red, green, blue, and indistinctness, and overcoming light leakage of pixels and color mixture occurring in an existing PDLC display device.

Abstract: The present invention discloses a color filter substrate, a liquid crystal display panel, and a display device so as to lower step differences between color-resists and light shielding strips on the color filter substrate to thereby avoid non-uniform rubbing or the color-resist layer being broken while an orientation layer is being rubbed for orientation from occurring due to the step differences, thus avoiding non-uniformity of brightness and hence improving a quality of display. The color film substrates includes a plurality of color-resists arranged spaced from each other, and light shielding strips arranged in gaps between every two adjacent color-resists, wherein the respective color-resists and the light shielding strips adjacent thereto overlap in respective overlap areas each including a plurality of teeth-shaped structures, and a distance between tops of two adjacent ones of the teeth-shaped structures is less than twenty times a thickness of the light shielding strip.

Abstract: A liquid crystal panel and a liquid crystal display are disclosed. Stray backlights which are irradiated into areas of gate electrode circuits are absorbed by adding an anisotropic absorbing material into a mixture for forming a color filter layer and then controlling orientation of the anisotropic absorbing material to reduce the stray backlights entering into the gate electrode circuits, so that a better shading effect for the gate electrode circuits is provided.

Abstract: A display device, according to an embodiment of the present disclosure, includes a substrate, a light emitting unit comprising a light emitting element mounted on the substrate and a lens placed on the upper side of the light-emitting element, a reflective layer arranged on the upper surface of the substrate, an optical sheet arranged on the upper side of the reflective layer and disposed at a height spaced apart from the light emitting unit; and a display panel placed on the upper surface of the optical sheet, wherein a center portion of the upper surface of the lens is recessed at a predetermined depth and formed in the shape of a continuous straight line, and the upper surface thereof has an aspheric shape that is curved at a predetermined curvature from the center portion toward the edges, so as to have an anisotropic distribution of light.

Abstract: A display device including a bottom chassis including a bent portion, a light module including a light source on the bent portion, a curved surface display panel on the bottom chassis and on the light module, and a reflector between the curved surface display panel and the bottom chassis, wherein a height between end portions of the bent portion and bottom chassis is greater than a height between central portions of the bent portion and bottom chassis.

Abstract: A display device includes a display panel, a light source providing light to the display panel, a bottom chassis, the light source being positioned on the bottom chassis, a diffuser plate between the light source and the display panel, the diffuser plate directing light emitted from the light source toward the display panel, and a supporter between the bottom chassis and the diffuser plate to support the diffuser plate, the supporter including a support portion that is at least partially bent.

Abstract: The invention provides a quantum dot color film substrate, manufacturing method thereof and an LCD apparatus. The manufacturing method comprises forming an organic transparent photo-resist layer on transparent sub-pixel areas of a transparent substrate; forming a red quantum dot layer, a green quantum dot layer on corresponding red sub-pixel areas and green sub-pixel areas respectively by a sputter printing process using the organic transparent layer as stop walls to improve printing precision. The manufacturing method is simple, and requires less time and facility cost.

Abstract: A liquid crystal display includes a first substrate, a first electrode disposed on the first substrate, a second electrode which is disposed on the first substrate and overlaps the first electrode, an insulating layer interposed between the first electrode and the second electrode, a first alignment layer disposed on the first electrode and the second electrode, a second substrate facing the first substrate, and a second alignment layer disposed on the second substrate, where a first resistivity value of the first alignment layer is smaller than a second resistivity value of the second alignment layer.

Abstract: A liquid crystal display device includes a first substrate on which a pixel electrode is formed, a second substrate on which a common electrode is formed and a liquid crystal layer disposed between the first substrate and the second substrate. The pixel electrode includes a first plate electrode, a first slit pattern which is a hole formed in the first plate electrode and includes a cross-shaped stem slit and a plurality of branch slits extending in both directions from the stem slit, and a plurality of branch electrodes which protrude from outer side portions of the first plate electrode. The common electrode includes a second plate electrode and a second slit pattern formed in the second plate electrode and including a plurality of holes arranged in a rhombus form.

Abstract: A manufacturing method of a liquid crystal display includes: forming a first alignment layer on a passivation layer and a pixel electrode to form a first display panel; forming a second alignment layer on a common electrode to form a second display panel; and combining the first and the second display panels, wherein formation of the first and second alignment layers includes spraying a first alignment mixture and second alignment mixture on, respectively, the first and second display panels using an inkjet head while moving the inkjet head across the first and second display panels to form a first alignment mixture layer and a second alignment mixture layer, and hardening the first and second alignment mixture layers, and spray progressing directions of the first and second alignment mixture are more than 7 degrees to less than 45 degrees with respect to the first substrate and the second substrate respectively.

Abstract: A liquid crystal display includes a first substrate, a second substrate facing the first substrate, a liquid crystal layer disposed between the first substrate and the second substrate, a first liquid crystal alignment layer disposed between the liquid crystal layer and the first substrate, and a second liquid crystal alignment layer disposed between the liquid crystal layer and the second substrate, wherein at least one of the first liquid crystal alignment layer and the second liquid crystal alignment layer includes a reactive mesogen.

Abstract: A substrate, comprising at least one array substrate, each array substrate on the substrate being provided with a spacing region at its periphery, and each array substrate comprising a display region and a driving region at the margin of the display region. The spacing region comprises a first region and a second region. The first region corresponds to an extension of the driving region on the substrate along an orientation friction direction, and the second region corresponds to an extension of the display region on the substrate along the orientation friction direction. A plurality of via holes are distributed in an overlapping area between the first region and the second region. The via holes have a diameter larger than the diameter of the fibers of orientation friction cloth.

Abstract: The present invention provides a liquid crystal display device that is less likely to have display failures and has high reliability and excellent light resistance in aging. The present invention relates to a liquid crystal display device, including: a pair of substrates; a liquid crystal layer containing liquid crystal molecules and interposed between the pair of substrates; and an alignment control layer for perpendicularly aligning the liquid crystal molecules, the alignment control layer being formed by polymerizing a monofunctional monomer and a polyfunctional monomer in a liquid crystal composition containing the liquid crystal molecules, the monofunctional monomer, and the polyfunctional monomer, the polyfunctional monomer generating a radical by annealing and irradiation with light at not less than 340 nm, the monofunctional monomer having a biphenyl skeleton as a core and a polymerizable group bonded to the biphenyl skeleton directly or indirectly via a spacer.

Abstract: The present invention relates to a liquid crystal display device including a specific liquid crystal composition and a sealant in which a cured product of a specific curable resin composition is used. The present invention provides a liquid crystal display device which prevents a decrease in the voltage holding ratio (VHR) of the liquid crystal layer and which enables elimination of problematic defective display such as voids, uneven alignment, and screen burn-in. Since the liquid crystal display device of the present invention prevents a decrease in the voltage holding ratio (VHR) of the liquid crystal layer and enables a reduction in defective display such as uneven alignment and screen burn-in, it is particularly useful for active-matrix liquid crystal display devices of a VA mode and PSVA mode and can be applied to liquid crystal display apparatuses such as liquid crystal TVs, monitors, mobile phones, and smartphones.