Abstract: A wearable image display system includes a headpiece, a first and a second light engine, and a first and a second optical component. The first and second light engines generate a first and a second set of beams respectively, each beam substantially collimated so that the first and second set form a first and a second virtual image respectively. Each optical component is located to project an image onto a first and a second eye of a wearer respectively. The first and second sets of beams are directed to incoupling structures of the first and second optical components respectively. Exit structures of the first and second optical components guide the first and second sets of beams onto the first and second eyes respectively. The optical components are located between the light engines and the eyes. Both of the light engines are mounted to a central portion of the headpiece.

Abstract: A head-mounted display including a first optical system is described. The first optical system includes a partial reflector and a multilayer reflective polarizer disposed adjacent to and spaced apart from the partial reflector. The multilayer reflective polarizer is curved about orthogonal first and second axes and includes at least one layer that is substantially optically uniaxial at at least one location. Each chief ray that passes through the first optical system is first incident on the multilayer reflective polarizer at an angle of incidence less than 30 degrees.

Abstract: A head-mounted display apparatus includes a housing, a display panel, a lens base, an adjusting ring, and a lens. The display panel is disposed in the housing. The lens base is disposed on the display panel, and includes a first guiding element. The adjusting ring is disposed on the lens base, and includes a second guiding element attached to the first guiding element. The lens is disposed on the adjusting ring. The first guiding element and the second guiding element extend along a spiral path.

Abstract: Provided is an information display assembly that is hardly affected by an external force such as traveling wind when mounted on a helmet and that ensures easy attachability and detachability to and from the helmet. In an information display assembly including a display unit displaying information, and a frame connected to the display unit to allow mounting of the display unit on the helmet, the frame has resiliency and is provided at opposite ends thereof with pressing parts, and the pressing parts are fixed on an inner side of the helmet by restoring force of resilient deformation. The display unit and the frame are commonly provided at a single location therebetween with a connecting par. The display unit is displaceably supported relative to the frame.

Abstract: A virtual image display apparatus includes a case member that stores a image element and is provided with a first end connected to other members, an optical component holding member with which an optical component guiding image light from the image element is assembled and that is provided with a second end connected to the first end, three or more protruding portions that are provided at one of the first end and the second end, have protrusion shapes, and extend toward the other end, three or more grooves that are provided at the other end, have depression shapes corresponding to the three or more protruding portions, and extend, and adhesive portions that fix the three or more protruding portions to the three or more grooves in a state in which the case member is aligned with the optical component holding member.

Abstract: Provided is an information processing apparatus including: a determination unit that determines a wearing state of a device being used while being worn on a user's head on the basis of a distance between an optical axis vector that corresponds to a user's gaze and is estimated on the basis of a captured image obtained by imaging an eye irradiated with light from a light source at a first time point, and an eyeball-center position estimated on the basis of a plurality of the captured images in time series at a second time point before the first time point; and a processing control unit that causes processing corresponding to the determined wearing state to be performed.

Abstract: A laser light source shutter system includes a light source, a variable focus optical element to transmit a beam emitted from the light source, a pinhole located on an optical path through which the beam travels from the variable focus optical element, and a controller to control a transmission and blocking of the beam by controlling a focal length of the variable focus optical element to be equal to a distance between the variable focus optical element and the pinhole or to be equal to other distances different from the distance. Therefore, a laser light source shutter free from vibration can be realized electronically with a low cost and a high light-blocking rate using a variable focus optical element such as a variable focus lens and a variable focus mirror.

Abstract: Examples of combining multiple laser beams into a single laser beam by using a circular or spiral diffraction grating are described. The multiple laser beams can be combined coherently or incoherently depending on the geometrical layout of the laser beams.

Abstract: A system for displaying one or more images in three dimensions. The system has a three dimensional illumination volume containing a gas that emits one or more types of visible light when at certain multi-photon excited states. The system includes lasers (e.g. lasers with beams outside of the visible wavelengths) that can be directed to intersect in the illumination volume to excite particles of the gas to a multi-photon excited state to emit visible light. Scanning the beam intersection (or multiple beam intersections) through the illumination volume generates three dimensional images. In some embodiments, the system includes lasers that can be directed to intersect in the illumination volume to excite particles to an intermediate state that absorbs at least a portion of the emitted radiation from particles excited to a multi-photon excited state.

Abstract: A reticle includes an illumination device having an optical component configured to introduce light from a light source into the reticle. The optical component has an entrance face and a reflecting face for the light of the light source. Two parallel bounding surfaces that are oriented perpendicular to an optical axis have an optical marking. A peripheral edge joins the bounding surfaces. The optical component is disposed at the peripheral edge of the reticle such that the light of the light source enters the reticle via the entrance face and the reflecting face and impinges on the marking. The entrance face is configured to act as a collecting lens on which the light of the light source impinges divergently.

Abstract: An image shake correction device includes: a base member; a lens frame that holds an image shake correction lens, and is mounted on the base member so as to be movable in a first direction and a second direction perpendicular to the first direction within a plane perpendicular to an optical axis of the image shake correction lens; a plurality of expandable and contractible mooring members that moors the lens frame to the base member such that the lens frame is able to move in the first direction and the second direction; a bracket that is supported by the base member so as to be swingable around a first axis parallel to the first direction; and a driving unit that drives the lens frame in the first direction and the second direction, as defined herein.

Abstract: A retaining device for reading glasses comprises a lanyard and counterweights slidable engaging the lanyard. The counterweights are movable by sliding such that the counterweights hang in behind a user's ears to retain glasses on the user, when foldable temple pieces do not include ear pieces, such that the temple pieces do no rest on a user's ears. Instead, the lanyard extends over the user's ears and the counterweights apply a force, due to gravity, that acts opposite to the force of gravity on the glasses, retaining the glasses on the user's nose. For example, the glasses may be foldable into a pendant and may be retained on the user's neck until needed.

Abstract: A computer-implemented method for providing a lens shape for an ophthalmic lens is disclosed. Further, there is provided a method for angular smoothing of a surface determined by carrier lines radially outwards of a prescription zone bordered by a first boundary line. In addition, there is provided an ophthalmic lens, in particular, a spectacle lens. Moreover, a method for minimizing the difference in thickness between two ophthalmic lenses for the same spectacles is provided. A computer program product and a machine-readable storage medium are provided as well.

Abstract: A contact lens containing a photonic crystal which is configured to change color depending on a concentration of an analyte in the tears of a subject. The change in color is reversible. The contact lens may be useful for monitoring the concentration of glucose in tears of a diabetic subject or a prediabetic subject.

Abstract: A customizable eyeglass system for use in any remote situation, and which is ideal for use in third-world countries or areas where electrical power and typical machinery for manufacturing eyeglasses is lacking. The system includes a frame with receivers for the temples to connect into and lock into place. A pair of customizable lenses is connected to the front of the frame. The lenses can be rotated to dial in the correct prescription for the patient and then locked into place as well. Thus, the invention corrects near and distance vision while also correcting astigmatism. If adjustments need to be made, the patient can easily unlock the lenses, rotate them to a proper orientation for proper sight, and then lock the lenses into place again. The replacement lenses can be used with optical enhancement scopes such as telescopes, firearm scopes, and binoculars.

Abstract: An actuator assembly for an adjustable fluid-filled lens is provided. In some embodiments, the actuator assembly includes a clamp configured to adjust the optical power of the fluid lens module when the clamp is compressed. In some embodiments, a magnetic element is configured to adjust the optical power of the fluid-filled lens. In some embodiments, a plunger changes the optical power of the fluid lens module. In some embodiments, a reservoir is configured such that deformation of the reservoir changes the optical power of the fluid-filled lens. In some embodiments, a balloon is configured to deform the reservoir. In some embodiments, an adjustable fluid-filled lens includes a septum configured to be pierceable by a needle and automatically and fluidly seal a fluid chamber after withdrawal of the needle. In some embodiments, a thermal element can heat fluid within a fluid chamber to change an optical power of the lens module.

Abstract: A method for manufacturing an ophthalmic lens includes: providing a first precursor and a mold, putting the first precursor in a female die of the mold, exposing the first precursor to ultraviolet radiation, thereby receiving a first gel matrix; the first gel matrix comprising an iris region; providing a colored ink layer, forming the colored ink layer on the iris region, exposing the colored ink layer to ultraviolet radiation to receive a colored film; providing a second precursor and forms the second precursor on the color layer, covering a male die of the mold on the second precursor, exposing the mold to ultraviolet radiation to receive a second gel precursor; the colored film is inset between the first gel matrix and the second gel precursor; and releasing the mold to receive the ophthalmic lens.

Abstract: An accessory mount for goggles is disclosed which may be attached to the strap or straps of goggles worn on the face of a person. The accessory mount may include a body and a mounting structure. The body may include one or two slits through which the strap or straps of the goggles may be inserted. The body may also include a facial section contoured to fit a person's face, and the facial section may have a cushion configured to rest against the face. The mounting structure may be configured so that different types of accessories, such as a camera or flashlight, may be removably affixed to the mounting structure.

Abstract: A translating clip, including a clip on portion adapted to grippingly engage an eyeglass frame, an adjustment portion, and a nose bridge engaging portion. The adjustment portion enables adjustment of an engagement distance between a lower end of the nose engaging portion and the eyeglass frame.

Abstract: A pair of eyeglasses with interchangeable parts is described herein. The pair of eyeglasses have a bridge that optionally includes a front piece that detaches from a rear piece without the need for any tools. The bridge is located between the left and right rims of the eyeglasses and connects the left rim and right rim. Optionally, the front piece and rear piece of the bridge sandwich the left and right rims. Optionally, the pair of eyeglasses also includes left and right temples that connect and disconnect from the left and right rims, respectively, using a spring-loaded locking mechanism. Methods of wearing the eyeglasses and changing parts are also described.

Abstract: The present disclosure relates to sensor systems for electronic ophthalmic devices. In certain embodiments, the sensor systems may comprise a temperature sensor disposed adjacent an eye of a user, the temperature sensor configured to sense a temperature on or adjacent an eye of a wearer of the ophthalmic device, the temperature sensor further configured to provide an output indicative of the sensed temperature and a processor configured to receive the output and to determine a physiological characteristic of the user based at least on the output.

Abstract: An optical interconnect system has first and second waveguides each with wedge-shaped cross-section at a first end, disposed over an optical modulator. The optical modulator is a surface-plasmon multi quantum well (SP-MQW) modulator, the first waveguide an input waveguide and the second waveguide configured an output waveguide. In embodiments the SP-MQW modulator has multiple semiconductor layers disposed atop a lower metal layer between 10 and 300 nanometers thick and configured such that incident light is reflected at the lower metal layer unless a voltage is applied to the semiconductor layers, when incident light is coupled into a surface plasmon mode in the lower metal layer.

Abstract: An optical IQ modulator with automatic bias control is disclosed. A dither signal is applied to the modulator bias and its signature detected in light tapped from an output of the modulator using a phase sensitive dither detector such as a lock-in amplifier. The detected signal is processed using pre-recorded information defining the direction of the detected signal change relative to a change in the modulator bias, and the bias is adjusted in the direction determined using the information. The IQ phase bias is controlled by dithering I and Q optical signals in quadrature to produce opposite-sign single subband modulation of output light at two different dither frequencies, and detecting an oscillation at a difference frequency using a lock-in detector.

Abstract: Provided are: an infrared control film in which an infrared light transmittance changes depending on the temperature, a tint in a front direction is excellent, and durability is excellent; and a window including the infrared control film. The infrared control film includes: a liquid crystal layer; and two substrates each of which includes at least one of an ultraviolet absorber or a colorant, in which the liquid crystal layer is disposed between the two substrates, the substrate includes 0.001 mass % or higher of the ultraviolet absorber or the colorant, a transmittance of the infrared control film at 0° C. with respect to an incidence ray at 1000 nm at a polar angle of 0° is higher than 70%, a transmittance of the infrared control film at 40° C. with respect to an incidence ray at 1000 nm at a polar angle of 0° is lower than 60%, and the following expressions are satisfied. 0.8<a1<1.2 0.8<b1<1.

Abstract: [Object] Reduction of the influence of liquid crystal inversion can be achieved without increasing a driving frequency of a liquid crystal light control element. [Solution] a liquid crystal light control element having a plurality of liquid crystal layers sandwiched between two electrodes serving as electrodes at both ends and arranged side by side in a direction of an optical axis of transmitted light is driven. In this case, a driving signal inverted at predetermined intervals is applied to the electrodes at both ends of each of the liquid crystal layers. By setting the driving signals of the plurality of systems as signals shifted from an in-phase or reversed-phase relationship, so the inversion timing of each liquid crystal layer is made not to coincide.

Abstract: The present disclosure provides a worktable for testing a liquid crystal panel. In one embodiment, the worktable for testing the liquid crystal panel includes: a table body, an upper surface of which being formed with a mounting groove in order to form a light-transmittance region; wherein, the table body is further formed with a slot that has an opening in a side surface of the table body and that is configured to mount a lower polarizer therein so that the lower polarizer at least covers the light-transmittance region. The present disclosure also provides a test apparatus including the mentioned worktable.

Abstract: A backlight module, a display device and a driving method are disclosed. The backlight module includes a first light guide plate and a second light guide plate arranged oppositely, a first light source and a second light source. A surface of the first light guide plate facing the second light guide plate is a light exit surface of the first light guide plate. The first light source is arranged at a light entrance surface of the first light guide plate. The second light source is arranged at a light entrance surface of the second light guide plate. The first light guide plate includes a light guide element guiding light along a direction perpendicular to the light exit surface of the first light guide plate. The second light guide plate includes a scattering element.

Abstract: This application relates to a display panel, including a display region and a shading region. The shading region surrounds the display region. An identification region is disposed on the shading region. The identification region is a light transmissive area having a target identifier pattern. By means of the display panel, a target identifier can be embedded, and integrity of the display panel is not destroyed. In addition, by means of the display panel, no attachment identifier needs to be disposed separately, reducing costs and improving user experience.

Abstract: A connector, a light source module including the connector, and a light source module array including the light source module array are provided. The connector includes a first connection part configured to connect to a first wire inserted thereto; a second connection part configured to connect to a second wire inserted thereto, the first and second connection parts being disposed to face in opposite directions; a housing covering the first and second connection parts; and a push button configured to be actuated by an external force applied thereto to release a connection of the first connection part to the first wire and a connection of the second connection part to the second wire.

Abstract: In a liquid crystal device, a peripheral electrode is disposed in a peripheral region of a first substrate between a display region and a sealing member. Application of a proper voltage between the peripheral electrode and a common electrode causes ionic impurities to stay outside the display region. In the display region, an organic silane compound layer is disposed on a surface of a first alignment film, which is formed of an inorganic alignment film, adjacent to a liquid crystal layer, but the first alignment film and the organic silane compound layer are not formed in a region overlapping the peripheral electrode in plan view. Thus, the surface of the first substrate adjacent to the liquid crystal layer has higher hydrophilicity at the region overlapping the peripheral electrode than at the display region.

Abstract: In a display device having high reliability, even if being a narrow framing type, and a method for manufacturing thereof, having a display panel, being made up with a first substrate 101 and a second substrate 201, which are adhered with using a seal 301, a main SOC 302 is disposed like a wall, on a peripheral end portion of the first substrate 101 and the second substrate 201, and the seal 301 is disposed inwardly of the main SOC 302. Also, in a method for manufacturing thereof, the main SOC 302 is formed in a region including a cutting plane between the display panel regions neighboring with, and on the cutting plane is made the cutting thereof.

Abstract: A manufacturing method of an array substrate includes the steps of providing a base plate and forming a thin-film transistor (TFT) layer on the base plate; forming a quantum dot layer on the TFT layer; and forming a protective filter layer on the quantum dot layer to provide protection to the quantum dot layer. The protective filter layer also provides an effect of light filtering in order to prevent ultraviolet light or blue light from transmitting therethrough.

Abstract: A liquid crystal display device includes a first circuit board, a second circuit board, a liquid crystal layer, a light transmitting display area, a memory circuit, a liquid crystal driving voltage applying circuit, and a potential applying trace. The first circuit board includes a light reflecting electrode. The second circuit board includes a common electrode. The light transmitting display area is for transmitting light from an outer side of the first circuit board through the first circuit board. The memory circuit stores data based on a potential at a data signal trace. The liquid crystal driving voltage applying circuit is for adjusting a potential at the light reflecting electrode based on the data stored in the memory circuit. The potential applying trace includes an overlapping portion overlapping the light transmitting display area between the glass substrate and the first insulating film and is electrically connected to the memory circuit.

Abstract: Provided is a liquid crystal panel with touch sensing function that can satisfy a stable antistatic function even in a humidity environment. The liquid crystal panel incorporated with touch sensing function is a1 panel including a liquid crystal cell incorporated with touch sensing function, a first polarizing film arranged on a viewing side of the cell and a second polarizing film arranged on a side of the cell that is opposite to the viewing side, and a first pressure-sensitive adhesive layer arranged between the first polarizing film and the cell. In the panel, the first pressure-sensitive adhesive layer includes a pressure-sensitive-adhesive composition including a (meth) acrylic polymer (A) including, as monomer units thereof, an alkyl (meth) acrylate (a1) and an amide-group-containing monomer (a2), and an ionic compound (B). This panel is small in surface resistance value variation even in a humidity environment.

Abstract: The present disclosure discloses a method for manufacturing a display substrate, a display substrate, a display panel and a display apparatus. The method for comprises: forming a black matrix and a plurality of black matrix alignment marks; providing a color film mask having a plurality of color film layer alignment marks associated with the black matrix alignment marks; and forming the color film layer on the black matrix by aligning the black matrix alignment marks with the associated color film layer alignment marks respectively, wherein the black matrix has a group of N first black matrix alignment marks and a group of N second black matrix alignment marks formed on ends of opposing edges thereof, respectively, and a spacing between adjacent first black matrix alignment marks different from that between adjacent second black matrix alignment marks.

Abstract: According to one embodiment, a display device includes a first substrate including a first insulating substrate located in a first area and a second area, and a first conductive layer provided in the second area, a second substrate including a second insulating substrate located in the first area, and a second conductive layer, and a first connection line opposed to a first side surface of the second insulating substrate to electrically connect the first conductive layer and the second conductive layer. The first connection line is formed of a photosensitive resin containing a conductive material.

Abstract: Disclosed are an LCD device and a driving method thereof, which save the manufacturing cost that is expended by the application of four-color (RGBW) sub-pixels, and enhance an aperture ratio and brightness, thus increasing display quality. The LCD device includes an upper substrate, a lower substrate, and a liquid crystal layer. A plurality of R, G, B and W color filters are formed at the upper substrate. In the lower substrate, a plurality of R, G, B and W sub-pixels are formed in respective regions defined by intersection of a plurality of gate lines and data lines. The liquid crystal layer is formed between the upper substrate and the lower substrate. Each of the pixels is configure with three-color sub-pixels of the R, G, B and W sub-pixels. Pixels of the plurality of pixels including a W sub-pixel share a one-color sub-pixel included in a pixel adjacent thereto, and display a color image.

Abstract: A manufacturing method of a display panel includes: arranging a plurality of wire-grating structures at intervals on a first substrate, wherein a plurality of transparent zones of the first substrate are defined among the plurality of wire-grating structures; adopting the wire-grating structure as a mask plate to form a black matrix on the transparent zone; providing a second substrate and a liquid crystal layer; and arranging the first substrate, the second substrate, and the liquid crystal layer to form the display panel. The present disclosure can save cost and simplifies processes.

Abstract: A method for continuously manufacturing an optical display device includes air filtering into a laminating part in an apparatus, exhausting in coordination with the air filtering, and humidifying the laminating part so as to make relative humidity of the laminating part as 60 to 75% RH at room temperature 22° C. The method also includes sequentially supplying a rectangularly formed optical functional film having a pressure-sensitive adhesive layer with a separator laminated on one of opposite surfaces of the optical functional film to a predetermined laminating position of the laminating part and conveying a rectangular panel component to the predetermined laminating position so as to correspond to the sequentially supplied optical functional film.

Abstract: In a wire grid polarization element, a second light transmissing substrate is disposed on first surface side of the first light transmissing substrate on which a metallic wire grid is formed, and on the first surface of the first substrate, a recessed portion is formed in a region overlapping a region where the wire grid is formed in plan view. For this reason, it is possible to secure a space in which the wire grid is disposed between the first substrate and the second substrate without using a spacer. In addition, at the time of sealing the space in which the wire grid is disposed, the first substrate and the second substrate are bonded to each other on the outer side of the recessed portion.

Abstract: Disclosed is a display device capable of preventing a problem related with a bluish image at a lateral viewing angle by the use of optical-path adjustment film on an upper surface of a display panel, wherein the display device may include a display panel, and an optical-path adjustment film on the display panel, wherein the optical-path adjustment film includes a plurality of dome patterns, and a cover layer on the plurality of dome patterns, wherein a refractive index of the plurality of dome patterns is different from a refractive index of the cover layer.

Abstract: A display device and a driving method for the same are disclosed. The display device includes a LCD panel and a backlight module disposed at a light incident side of the LCD panel; a surface of the backlight module facing the LCD panel is provided with a diffraction grating structure. Under 3D display mode, the light emitted by the backlight module is incident onto the LCD panel through the diffraction grating structure and formed into alternately bright and dark stripe patterns which are arranged laterally and extending lengthways, wherein every at least three bright stripe patterns arranged in sequence are considered as a group, and the bright stripe patterns in each group have colors different from each other. The display device not only reduces the entire thickness, but also improves the transmittance and reduces the power consumption, accordingly.

Abstract: The present disclosure relates to a backlight source based on grapheme including a lower substrate, an upper substrate and a first insulation layer, multiple gate electrodes, a second insulation layer, multiple graphene quantum dot layers, and multiple groups of source electrodes and drain electrodes sequentially disposed there between. The multiple graphene quantum dot layers are separately disposed on the second insulation layer, and one source electrode and one drain electrode are disposed on each graphene quantum dot layer. A field color sequential LCD and a driving method are also disclosed. Through controlling the gate voltage of the backlight source based on graphene, the backlight source has a precise region light control ability to avoid a color gamut reduction phenomenon because of the color crosstalk.

Abstract: A liquid crystal display (LCD) device including an LCD panel and a backlight. The backlight includes a plurality of light sources to emit light, and a reflective stack. The reflective stack is positioned to receive light emitted from the light sources and transmit the light to the LCD panel. The reflective stack includes optical elements providing a folded beam path for the light emitted from the light sources to the LCD panel. The light emitted from the light sources is diffused while propagating towards and away from the LCD panel along the folded beam path. The folded beam path has an optical distance that is longer than the spatial distance between the light sources and the LCD panel to improve light diffusion by the backlight without substantially increasing backlight thickness.

Abstract: A direct view display device includes a light unit, a collimating unit, an image display unit, and a contrast enhancement unit. The contrast enhancement unit includes opposing first and second major surfaces. The first major surface includes an array of optical elements. The second major surface includes a light absorbing layer and an array of apertures in the light absorbing layer and corresponding to the array of optical elements. The optical elements are disposed between the light unit and the light absorbing layer. The collimating unit is disposed between the light unit and the contrast enhancement unit. The image display unit is disposed between the collimating unit and the contrast enhancement unit. The contrast enhancement unit and the image display unit are arranged such that each optical element of the contrast enhancement unit is aligned with at least one corresponding pixel of the image display unit.

Abstract: A low-resolution is displayed at high resolution and power consumption is reduced. Resolution is made higher by super-resolution processing. Then, display is performed with the luminance of a backlight controlled by local dimming after the super resolution processing. By controlling the luminance of the backlight, power consumption can be reduced. Further, by performing the local dimming after the super-resolution processing, accurate display can be performed.

Abstract: The present disclosure provides a backlight structure and a liquid crystal display device. The backlight structure comprises: an array substrate; a polarizer layer on a back face of the array substrate; and a light source at a light incident side of the array substrate. Specifically, the light source is configured such that light emitted thereby is emitted into the array substrate from the light incident side of the array substrate and incident on the polarizer layer. Moreover, the polarizer layer is configured for reflecting the light incident thereon while polarizing the reflected light and emitting it out from a front face of the array substrate, wherein the front face and the back face of the array substrate face each other and intersect the light incident side of the array substrate respectively.

Abstract: A quantum dot film article includes a first barrier layer; a second barrier layer; and a quantum dot layer between the first barrier layer and the second barrier layer. The quantum dot layer includes quantum dots dispersed in a matrix including a cured radiation curable adhesive composition with external quantum efficiency of greater than about 70%. The radiation curable adhesive composition includes about 30 wt % to about 99 wt %, based on the total weight of the radiation curable adhesive composition, of a multifunctional monomer, multifunction oligomer, or mixture thereof, wherein the multifunctional monomer includes (meth)acryl functional groups on a backbone.

Abstract: A display device includes a display panel, a backlight module, an optical sheet, and a polarizer. The display panel includes a plurality of first-color sub-pixels, a plurality of second-color sub-pixels, and a plurality of third-color sub-pixels. The backlight module includes a blue light source. The optical sheet includes a substrate, a plurality of transparent bumps, and a photo-excitation layer. The transparent bumps are overlapped with the third-color sub-pixels in a vertical projecting direction. The photo-excitation layer includes first photo-excitation regions which are overlapped with the first-color sub-pixels in the vertical projecting direction, and second photo-excitation regions which are overlapped with the second-color sub-pixels in the vertical projecting direction. Each of the first photo-excitation regions and the second photo-excitation regions has a plurality of first-color quantum dots and a plurality of second-color quantum dots.

Abstract: The present invention provides the following: a photo alignment method-use liquid crystal aligning agent used to obtain a photo alignment method-use liquid crystal alignment film that does not cause bright spots even when negative liquid crystals are used, and that is capable of achieving good after-image characteristics; a liquid crystal alignment film obtained from the liquid crystal aligning agent; and a liquid crystal display element provided with the liquid crystal aligning agent. Provided is the liquid crystal aligning agent which contains a polyimide or polyimide precursor obtained from a reaction between: a tetracarboxylic acid dianhydride represented by formula (1) (in the formula, X1 is as set forth in the present specification) or a derivative thereof; and a diamine component that contains a diamine represented by formula (2) (in the formula, R1, Z1 and n are as set forth in the present specification).