Abstract: A radiation filter insert is provided. The glasses filter insert includes a first filter lens and a second filter lens, each having an inner surface and an outer surface. The first and second filter lens may include an electromagnetic filter. The present invention may include a bridge connector. The bridge connector may connect the first and second filter lenses together. The bridge connector may include a curved inner edge formed to fit around a nosepiece of an eyewear. The filtering insert may include resting tabs to allow the insert to remain in position on the eyewear. The filtering insert may further include grasping tabs. The grasping tabs allow placement using the thumb an index finger of one hand. These resting and grasping tabs enables insertion and removal without displacing the eyewear.

Abstract: A reconfigurable eyewear assembly includes a frame member having left and right socket portions each having a generally circular rim defining an interior void, respectively, and being connected by a bridge portion, the left and the right socket portions having a temple connector extending rearwardly from a respective rim. The eyewear assembly includes a pair of temple members having proximal and distal ends, respectively, each proximal end being selectively coupled to a respective temple connector. A coating material is applied to at least a portion of one of the frame member or the temple members, the coating material including one of a whiteboard and a chalkboard.

Abstract: Example embodiments disclose a smart contact lens for augmented reality and methods of manufacturing and operating the smart contact lens. The smart contact lens includes a first contact lens, a display unit in a center region of the first contact lens, a peripheral device on the first contact lens and around the display unit, the peripheral device being connected to the display unit, and a passivation layer covering the display unit and the peripheral device. The method of manufacturing the smart contact lens includes forming a display unit; mounting the display unit in a center region of a first contact lens, forming a peripheral device on the first contact lens, around the display unit and in connection with the display unit, and forming a passivation layer to cover the display unit and the peripheral device.

Abstract: A semiconductor device that includes an optical resonator spaced from a waveguide structure to provide for evanescent-wave optical coupling therebetween. The optical resonator includes a closed loop waveguide defined by an epitaxial layer structure that includes at least one quantum well. The semiconductor device also includes circuitry configured to supply an electrical signal that flows within the epitaxial layer structure of the closed loop waveguide. The electrical signal affects charge density in at least quantum well of the closed loop waveguide and controls refractive index of the closed loop waveguide. In one embodiment, the electrical signal is a DC current signal that flows within a vertical thyristor structure of the closed loop waveguide to control refractive index of the closed loop waveguide such that resonance frequency of the closed loop waveguide corresponds to a characteristic wavelength of light.

Abstract: An optical module that achieves an adjustable aperture with a multilayer liquid crystal diaphragm, and an electronic apparatus using the optical module are described. The optical module includes at least one diaphragm layer having a light-transmission area that is fully transmissive and a variable light-transmission area filled with material having variable transmittance; and an electrode unit for applying an adjustment voltage to the at least one diaphragm layer. Transmittance of the variable light-transmission area varies in accordance with the adjustment voltage applied by the electrode unit.

Abstract: The invention teaches a system and method for catalyzing on a substrate. The system includes a light source and a digital light patterning device which is controlled by a controller coupled to a computer. The digital patterning device includes an array of liquid crystals, each of which being electronically controlled by the computer through the controller. When a liquid crystal is on, the light from the light source passes through the liquid crystal. When it is off, the light is blocked. According to the visual image pattern presented in the computer's interface, the array, wherein some crystals are on and some are off, shows a light pattern which is consistent with the visual image pattern on the computer screen. Accordingly, the patterned light is shed onto a substrate where the light catalyzes a chemical reaction proximate a substrate.

Abstract: Provided is a display device, including: an insulation substrate; a thin film transistor positioned on the insulation substrate; a pixel electrode connected with the thin film transistor; a first alignment layer positioned on the pixel electrode; a second alignment layer spaced apart from the first alignment layer by a microcavity; a common electrode positioned on the second alignment layer; a roof layer on the common electrode; a liquid crystal injection hole in the common electrode and the roof layer to extend to a part of the microcavity; a liquid crystal layer filling the microcavity; and an overcoat on the roof layer to cover the liquid crystal injection hole to seal the microcavity.

Abstract: A display panel comprises a first substrate, a second substrate and an organic planarization layer. The first substrate has an active area and a non-active area disposed adjacent to the active area. The second substrate is disposed opposite the first substrate. The organic planarization layer is disposed on the first substrate facing the second substrate and includes at least a first through portion which is disposed in the non-active area and exposes a film layer under the organic planarization layer.

Abstract: A curved liquid crystal display according to an exemplary embodiment of the present system and method includes: a first substrate; a first thin film display layer disposed at an upper surface of the first substrate; a second substrate; a second thin film display layer disposed at a lower surface of the second substrate; a sealant disposed at an edge of the first substrate and the second substrate; and a liquid crystal layer disposed between the first substrate and the second substrate and sealed by the sealant, wherein the first thin film display layer and the second thin film display layer face each other, the first substrate and the second substrate are curved to have the same degree of curvature, and a thickness of a side surface of the second substrate is thinner than a thickness of a center portion of the second substrate.

Abstract: A display panel includes a thin film transistor substrate, an opposite substrate and a liquid crystal layer. A thin film transistor is disposed on a substrate and has a drain. A first insulating layer is disposed on the drain and has a first via above the drain. A planarization layer is disposed on the first insulating layer and has a second via above the drain. The first via and the second via are partially overlapped to form an overlap portion. A second insulating layer is disposed on the planarization layer. A pixel electrode layer is disposed on the second insulating layer and in the overlap portion to connect to the drain. The opposite substrate is disposed opposite to the thin film transistor substrate. The liquid crystal layer is disposed between the thin film transistor substrate and the opposite substrate.

Abstract: An electronic display includes electrically conductive layers. An active layer is disposed between adjacent electrically conductive layers. The active layer includes cholesteric liquid crystal material. At least one transparent front substrate is disposed adjacent one of the electrically conductive layers near a front of the display. A semitransparent back layer absorbs light that passes through the active layer, reflects grey light or light of a color and is light transmitting. Electronic circuitry applies a voltage to the conductive layers that enables at least one of erasing or writing of the active layer.

Abstract: A display panel includes a display panel having a curved shape and a printed circuit hoard (PCB). At least one carrier connects the display panel and the PCB. At least one driving integrated circuit (driving IC) is disposed on each carrier. Each carrier includes a body and at least one connector extending from the body. Each connector is spaced apart from each other connector.

Abstract: According to one embodiment, an image display apparatus includes a front bezel having an opening, an image display panel having an image display surface exposed from the opening of the front bezel, a back chassis behind the image display panel, a shield fitting behind the back chassis, and a back cover covering the back surface of the back chassis and connected to the shield fitting.

Abstract: A display device includes: a display panel including a display surface that displays an image and is exposed to the outside and a rear surface that is opposed to the display surface; a backlight unit formed at a lower part of the display panel and providing light to the display panel; a panel support member disposed between the display panel and the backlight unit and supporting an edge of the display panel; and a magnetic adhesive member disposed between the panel support member and the backlight unit and having magnetism.

Abstract: A liquid crystal display includes a substrate, a thin film transistor disposed on the substrate, a pixel electrode disposed on and connected to the thin film transistor, and a liquid crystal layer disposed in a first microcavity. The first microcavity is disposed on the pixel electrode and includes an injection hole. The liquid crystal display further includes a roof layer disposed on the first microcavity, an injection hole formation region disposed between the first microcavity and a second microcavity adjacent to the first microcavity, and a liquid crystal transmission layer disposed in the injection hole formation region.

Abstract: The present invention provides a liquid crystal display device, which includes a liquid crystal panel (1) and a collimated exit light backlight module (3). The liquid crystal panel (1) includes a CF substrate (11), an array substrate (13), and a liquid crystal layer (12). The CF substrate (11) has an upper surface on which an upper polarizer film (15) is arranged. The array substrate (13) has a lower surface on which a lower polarizer film (17) is arranged. The upper polarizer film (15) includes a view angle diffusion film (19) arranged thereon. The collimated exit light backlight module (3) includes two backlight sources (31), a metallic grating reflector plate (33), a reflective polarizing beam splitter (35), and an optic film assembly (37). The two backlight sources (31), the metallic grating reflector plate (33), and the reflective polarizing beam splitter (35) collectively define a light guide chamber (39).

Abstract: The present invention provides a liquid crystal display device, which includes a liquid crystal panel (1) and a collimated exit light backlight module (3). The liquid crystal panel (1) includes a CF substrate (11), an array substrate (13), and a liquid crystal layer (12). The CF substrate (11) has an upper surface on which an upper polarizer film (15) is arranged. The array substrate (13) has a lower surface on which a lower polarizer film (17) is arranged. The collimated exit light backlight module (3) includes a light guide plate (31), a backlight source (33), an optic film assembly (35), and a bottom reflector plate (37). The upper polarizer film (15) includes a view angle diffusion film (19) arranged thereon. The optic film assembly (35) includes a polarization beam splitter film (351). The polarization beam splitter film (351) includes a brightness enhancement film (352), which includes a prism structure, and an optic film (353) or a polymer coating (353) that has a high refraction index.

Abstract: The present invention provides a liquid crystal display device, which includes a liquid crystal panel (1) and a collimated exit light backlight module (3). The liquid crystal panel (1) includes a CF substrate (11), an array substrate (13), and a liquid crystal layer (12). The CF substrate (11) has an upper surface on which an upper polarizer film (15) is arranged. The array substrate (13) has a lower surface on which a lower polarizer film (17) is arranged. The upper polarizer film (15) includes a view angle diffusion film (19) arranged thereon. The collimated exit light backlight module (3) includes two backlight sources (31), a metallic grating reflector plate (33), a wire grid polarizer (35), and an optic film assembly (37). The two backlight sources (31), the metallic grating reflector plate (33), and the wire grid polarizer (35) collectively define a light guide chamber (39).

Abstract: A liquid crystal display panel including an array substrate including pixel areas, an opposite substrate facing the array substrate, the opposite substrate including a first base substrate, color filters disposed on the first base substrate, the color filters facing the array substrate and corresponding to the pixel areas, and a cell gap adjustment pattern disposed on at least one of the color filters, and a liquid crystal layer disposed between the array substrate and the opposite substrate.

Abstract: A display device includes a color display panel and an optical member arranged on the viewer's side of the color display panel. The color display panel includes a display region in which a plurality of color display pixels are arranged into rows and columns to form a matrix pattern. The display region includes a first display region and a second display region in which different arrangement patterns are used for primary color pixels. The first display region employs a first pattern in which primary color pixels of the same color are arranged in the column direction. The second display region employs a second pattern in which primary color pixels of different colors are arranged in the column direction in a repeating pattern. The second display region includes at least one column of color display pixels positioned on one end of the display region in the row direction.

Abstract: The exemplary embodiments herein provide a transparent LCD assembly having a liquid crystal cell with a front and rear polarizer. A light guide is preferably placed behind the LC cell and contains a plurality of LED positioned along an edge of the light guide. An additional polarizer may be placed behind the light guide and preferably bonded to the rear surface of the light guide. A front and rear glass may be used to surround the internal components. The additional polarizer can also be placed on the front or rear surfaces of the rear glass.

Abstract: The present invention provides a member for projection image display, including a reflection layer and a retardation layer, wherein the reflection layer includes a cholesteric liquid crystal layer exhibiting selective reflection in a visible light region, the cholesteric liquid crystal layer is a layer formed from a liquid crystal composition containing a discotic liquid crystal compound, and a front phase difference of the retardation layer is in a range of 50 nm to 400 nm; and a projection image display system which includes the above member for projection image display, wherein the retardation layer is disposed on an incident light side relative to the reflection layer, and the incident light is p-polarized light that vibrates in a direction parallel to a plane of incidence, which is capable of displaying a clear image having high reflectance and high transmittance, without a problem of a double image.

Abstract: The display device includes: an array substrate having an in-cell polarizing layer and a color layer; a counter substrate; a liquid crystal layer; a white light source; and a polarizing plate placed on the counter substrate on its one side opposite to a side on which the liquid crystal layer is provided. The color layer includes a red color layer, a green color layer and a blue color layer. The red color layer includes a red color filter and a red wavelength conversion layer which is located on its one side closer to the white light source than the red color filter. The green color layer includes a green color filter and a green wavelength conversion layer which is located on its one side closer to the white light source than the green color filter. The blue color layer includes a blue color filter.

Abstract: The backlight unit includes two or more light sources, and a wavelength conversion member positioned on each of optical paths of light emitted by the two or more light sources, wherein the wavelength conversion member includes a wavelength conversion layer containing at least a phosphor emitting green light when excited with exciting light and a phosphor emitting red light when excited with exciting light, and at least either maximum emission wavelengths or angles of incidence of entry into the wavelength conversion member of the light emitted by the two or more light sources differ.

Abstract: A reflector sheet, a backlight module and a display apparatus, which relate to the display technical field, are provided. They can reserve a space for deformation during thermal expansion of the reflector sheet and prevent the reflector sheet from being deformed, thereby avoiding uneven light. The reflector sheet comprises a reflector sheet body and apertures located in the reflector sheet body and configured for allowing a luminous body to pass therethrough, the apertures comprising first apertures and second apertures, wherein each of the first apertures is configured for relatively fixing a luminous body passing therethrough and the reflector sheet body, and each of the second apertures is configured for reserving a gap between a luminous body passing therethrough and the reflector sheet body. Also disclosed is use of the reflector sheet for manufacturing a display apparatus.

Abstract: A backlight device in the present disclosure is equipped with: a plurality of LEDs disposed lengthwise and widthwise; a substrate on which the plurality of LEDs are mounted; and a light-blocking member configured to prevent a predetermined amount of part of light from passing through, wherein the part of light is part of light emitted from an LED, of the plurality of LEDs, disposed on an outermost circumference and is emitted to an outer circumferential side.

Abstract: The present invention provides a pixel structure disposed on a substrate, and the pixel structure includes an alignment layer, a common electrode, and a pixel electrode. The alignment layer is disposed on the substrate, and the alignment layer has a first section and a second section. The first section has a first alignment direction, and the second section has a second alignment direction perpendicular to the first alignment direction. The common electrode is disposed between the substrate and the alignment layer, and the pixel electrode is disposed between the substrate and the alignment layer.

Abstract: A pretilt angle of a liquid crystal molecule on the side of an array substrate is formed such that the liquid crystal molecule goes away from the array substrate in a direction to the left when viewed from a position facing a display surface of a liquid crystal panel. The pretilt angle on the side of a counter substrate is formed such that the liquid crystal molecule goes away from the counter substrate in a direction to the right when viewed from a position facing the display surface. The directions to the left and the right define a direction X corresponding to a horizontal direction of the liquid crystal panel. A direction of a delay phase axis of a biaxial phase difference film is arranged in a position rotated anticlockwise in an angular range from over 0° to 1° from the direction X.

Abstract: According to one embodiment, a display device includes a switching liquid crystal unit, a controller, and a display. The switching liquid crystal unit includes first and second polarizing layers, first and second substrate units, and a liquid crystal layer. The first substrate unit includes a first substrate provided between the polarizing layers, inner electrodes provided between the first substrate and the second polarizing layer, an insulating layer provided between the first substrate and the inner electrodes, and outer electrodes provided between the first substrate and the insulating layer. The second substrate unit includes a second substrate provided between the first substrate unit and the second polarizing layer, and a counter electrode provided between the second substrate and the first substrate unit. The liquid crystal layer is provided between the substrate units. The controller controls potentials of the electrodes. The display emits light including a parallax image.

Abstract: According to one embodiment, a liquid crystal display device includes an active-element substrate. The active-element substrate includes a display area, a non-display area, an image signal line, an active element including a scanning line and connected to the image signal line, a driving circuit, a common electrode, a first electrode electrically connected to the common electrode and provided in the non-display area, and a second electrode the voltage of which is lower than that of the common electrode, and which is provided in the non-display area. At least part of the second electrode is provided in a different position from that of the first electrode as seen in plan view. The scanning line is provided below the first electrode.

Abstract: An array substrate and a manufacturing method thereof and a display device are provided, and the array substrate comprises: a substrate (1); a thin film transistor, a passivation layer (5) and a transparent electrode (6), sequentially formed on the substrate, wherein a groove (51) is formed in an upper surface of the passivation layer (5), and the transparent electrode (6) is provided in the groove (51).

Abstract: A liquid crystal display and a method of making it are provided. The liquid crystal display includes: a substrate; a thin film transistor disposed on the substrate; a pixel electrode connected to the thin film transistor; a roof layer disposed to be spaced from the pixel electrode; a liquid crystal layer between the pixel electrode and the roof layer; and a plurality of columns arranged along a gate line connected to the thin film transistor and supporting the roof layer, wherein the plurality of columns are formed of the same material as the roof layer.

Abstract: This invention discloses how EC devices can be fabricated as tags or labels; and further the materials used, device structures and how these can be processed by printing technologies. In addition, systems using displays of such EC devices and their integration with other components are described for forming labels and tags, etc, that may be actuated wirelessly or powered with low voltage and low capacity batteries.

Abstract: An electrically activated lens filter with an electro-optic portion having a radially and circumferentially symmetric electric field gradient is disclosed. More particularly, embodiments of the lens filter include an electro-optic portion having one or more conductive plugs arranged around a center region such that an electric field within the electro-optic portion varies from a maximum at an outer rim to a minimum outside of the center region. The lens filter may include a plurality of front electrodes and rear electrodes accessible in an axial direction for electrically activating front and rear transparent conductive layers, respectively.

Abstract: Electrochromic windows powered by wireless power transmission are described, particularly, the combination of low-defectivity, highly-reliable solid state electrochromic windows with wireless power transmission. Wireless power transmission networks which incorporate electrochromic windows are described.

Abstract: The present invention provides for a method of rendering an image on a reflective display wherein each pixel is capable of rendering a limited number of colors, each of which is rendered by predetermined set of waveforms stored in a waveform lookup table. Furthermore, the present invention provides for a method for rendering an image using such colors, having been chosen for optimal color rendition. This invention further provides for rendering a color image formed from a plurality of pixels on a reflective display wherein each pixel has a color selected from the group consisting of at least: red, green, blue, cyan, magenta, yellow, black and white.

Abstract: An electrophoretic device includes: a porous layer including a first fibrous structure and a non-electrophoretic particle held in the first fibrous structure; an electrophoretic particle configured to move through a space formed at the porous layer; a second fibrous structure covering the porous layer; and a partition provided from the porous layer to the second fibrous structure.

Abstract: An optical modulator includes: an optical waveguide that is constituted by a material having an electro-optical effect; a wavelength selector that is provided to the optical waveguide, and selects a wavelength of a light beam that is guided through the optical waveguide; and an optical modulator that is provided to the optical waveguide, and modulates intensity of a light beam with a wavelength selected by the wavelength selector, wherein the wavelength selector includes, a first electric field applicator that is capable of forming a first refractive index distribution in which a refractive index periodically varies in a first period along an optical wave-guiding direction of the optical waveguide, and a second electric field applicator that is capable of forming a second refractive index distribution in which a refractive index periodically varies in a second period different from the first period along the optical wave-guiding direction of the optical waveguide.

Abstract: An optical device includes an optical section, a moving section, a shaft section, and an actuator. The optical section includes a light-incident surface on which light is incident. The moving section supports the optical section and the shaft section swingably supports the moving section. The actuator swings the moving section based on a drive signal having a trapezoidal waveform. A swing waveform representative of a trajectory of the moving section as the moving section is swung has a trapezoidal waveform. A maintenance time of a flat portion of the trapezoidal waveform of the drive signal is shorter than a maintenance time of a flat portion of the trapezoidal waveform of the swing waveform of the moving section.

Abstract: In an optical modulator directional measurement system embodiment, one or more modulation waves may be measured and directionally discriminated by measuring the modulations of one or more lightwaves. The optical modulator transmission function magnitude for a most phase-matched modulation may be substantially greater than that for other modulations. At sufficiently high modulation frequency, the most phase-matched modulation magnitude may be substantially greater than the other modulation magnitudes. Accordingly, a modulation wave may be distinctly measured by measuring the modulation of the most phase-matched lightwave.

Abstract: A light modulator includes a light guide to guide light by total internal reflection, a diffraction grating at a surface of the light guide, and a liquid crystal in contact with the diffraction grating. The liquid crystal has a first state with a first refractive index that substantially matches a refractive index of a material of the diffraction grating to defeat the diffractive coupling. The liquid crystal has a second state with a second refractive index that differs from the first refractive index to facilitate the diffractive coupling.

Abstract: Systems and methods may provide for an integrated miniature sensor that operates in the Terahertz region of the electromagnetic spectrum. The integrated miniature sensor may detect a remote target and operate in a non-contact, non-invasive manner. Numerous signal analysis techniques may be employed such as Doppler radar technology, absorption spectroscopy, and others when the integrated miniature sensor is used in biomedical, physiological and other settings where prolonged recording of bio-signals is needed.

Abstract: A flash module comprises an optics portion that includes a base plate, a light guide on a first side of the base plate, and a lens element on a second side of the base plate. A casing is attached to the optics portion and defines an interior region in which the lens element is located. An active light emitting component is mounted within the casing. Sidewalls of the light guide are coated with first and second layers of different materials. The second layer is a coating over the first layer and is substantially non-transparent to light emitted by the active light emitting component. The first layer can provide a predetermined aesthetic appearance and can be selected, for example, to match the color of the exterior surface of a device in which the flash module is to be integrated.

Abstract: A filter holding ring of a camera filter unit includes an annular plate into which an optical filter is inserted on the inner peripheral side, and front and rear abutments that grip the optical filter. The rear abutment is formed through swaging processing to bend a rear end of the annular plate toward the inner peripheral side. The annular plate includes a triangular annular groove tapering toward the outer peripheral side, on the inner peripheral surface. In the swaging processing, the annular plate is bent toward the inner peripheral side from the portion where the annular groove is formed. Bending the thin portion of the annular plate enables the rear abutment to be formed with relatively weak force. Even when the rear abutment is formed with weak force, the rear abutment can be formed accurately, so that the optical filter can be gripped securely by the front and rear abutments.

Abstract: The handheld telescopic dynamic rotation monopod is an essential tool for photography and videography enthusiasts, comprised of an easy to use control member positioned in the handle, whose rotation will engender a corresponding horizontal rotation from a camera mount positioned at the opposite end of the handle. A lockable vertical rotation of said camera mount is achieved by means of an input and output section, one able to pivot relative to the other due to guide pins restrictedly able to move within guide tracks and studs to restrictedly move within elongated channels.

Abstract: An essentially flat support base plate for mounting a piece of photographic equipment such as a photographic tripod head (camera mount) or camera. A preferred embodiment includes an aluminum base plate assembly formed with at least one threaded stud which is sized to fit into corresponding holes in selected pieces of photographic equipment. The stud is made of a non-ferrous material, such as titanium, to enable the plate and stud to be black anodized. The threaded stud is preferably welded in place to ensure that the stud is firmly and permanently attached to the base plate and cannot rotate independently of the plate. A base plate so formed has an elegant and aesthetically pleasing appearance and the base plate can be attached to or detached from any selected piece of equipment plate without the use of any tools (i.e., to make it tool free).

Abstract: A system and method for implementing integrated and adjustable image projection with auto-image correction in electronic devices using an in-facing or world-facing image projector are disclosed. A particular embodiment includes an electronic device including: a lid; a base including a hinge coupling the lid with the base; and an image projection subsystem including an image projector installed in the lid, the image projector being configured to produce a projected image that is projected onto a projection surface, the angle of the projection being adjustable by adjusting the angle of the lid relative to the base.

Abstract: A light source apparatus includes a light source that outputs excitation light, and a rotating light emitting device in which a wavelength conversion element that emits light when irradiated with the excitation light is provided on a rotating disk. A spot of the excitation light on the wavelength conversion element has a shape that is long in a radial direction of the rotating disk and short in a circumferential direction of the rotating disk. Alternatively, an orthogonally projected length of the spot in the radial direction is greater than an orthogonally projected length of the spot in the circumferential direction.

Abstract: A light-emitting device and a projection system, comprising: a laser array light source which comprises a non-light-emitting region and a light-emitting region consisting of a plurality of laser elements; a reflective light-condensing system which comprises a light-condensing region and a non-light-condensing region, wherein the light-condensing region is used for focusing and reflecting emergent light of the laser array light source; and a light-collecting system used for collecting and emitting the emergent light from the reflective light-condensing system. The light-collecting system, the non-light-emitting region and the non-light-condensing region are located in the same straight line parallel to a light axis of the emergent light of the laser array light source, and the light-collecting system passes through the non-light-emitting region and/or the non-light-condensing region. The light-emitting device and the projection system have small volumes and can emit high-brightness and uniform faculae.

Abstract: A laser light source (300), a wavelength conversion light source, a light combining light source, and a projection system. The laser light source comprises a laser element array, a focusing optical element (33), a collimation optical element (34), an integrator rod (36) for receiving and homogenizing a secondary laser beam array (382), an angular distribution control element (35) disposed on the light path between the laser element array and the integrator rod (36) for enlarging the divergence angle of the laser beam array (382) in the direction of the short axis of the light distribution, such that the rate between the divergence angle of each of the secondary laser beam that enters the integrator rod (36) in the direction of the short axis of the light distribution and the divergence angle in the direction of the long axis is greater than or equal to 0.7.