Abstract: A device and a method for improving the quality of prints using a printer with at least one ink-jet printing device for colored printing of a printing material, such as a continuous roll feed material, said printing device including a heating device that applies microwaves to the printing material in order to dry a print applied to the printing material.

Abstract: A containing member contains a recording medium which has a base member and granular material coated on both sides of the base member, and roughness of the surfaces of the coated granular material is smaller than the roughness of the base member. A printing unit includes an ink-jet recording head which jets recording liquid onto the recording medium. A conveyance unit and a conveyance path convey the recording medium, one side of which has been already printed, into the printing unit again in order to print image onto the other side thereof. A unit is provided for enabling the printing unit to print image on the recording medium such that the vertical orientations of the images printed both sides of the recording medium are coincide with each other.

Abstract: An image formation apparatus with a plurality of laser diodes that form color-component images, which correspond to a plurality of color components, onto a plurality of corresponding photosensitive drums respectively, and a transfer belt onto which the color-component images that are formed on the respective photosensitive drums are transferred. The image formation apparatus adjusts the image formation timing based on the positions of the color-component images that are transferred to the transfer belt; and when adjusting the image formation timing, the respective laser diodes form color-component images at formation intervals that correspond to an integral multiple of the period of a periodic noise.

Abstract: A print media stacker assembly comprises a housing having an opening therein. A tray, disposed within the housing downstream of a feeder, has a front lip, a collecting portion, and a back wall. A stopper lever is in operative relationship with the tray a distance upstream from the back wall. The stopper lever has a first position in which the stopper lever prevents media sheets from passing beyond the stopper lever and a second position in which the stopper lever permits media sheets to pass beyond the stopper lever.

Abstract: An inkjet printer containing a print zone and an inkjet printhead for printing on a substrate in the print zone, a supply unit for storing and delivering the substrate for printing, and a transport unit for transporting the substrate from the supply unit to the print zone, in which printer the supply unit contains a number of substrate holders, each holding a roll on which a substrate web is wound, each substrate holder being operatively connected to a sensor for detecting the end of the web in the substrate holder corresponding to that sensor, wherein the transport unit includes a first transport means for engaging and transporting the substrate emerging from the supply unit, a downstream, second transport means for further transporting the substrate and positioning the same in the print zone, and a guide element rotatably disposed between the first transport means and the second transport means.

Abstract: An image forming apparatus includes an image forming section that discharges droplets of recording liquid to form an image on a recording medium, a body including the image forming section, and a conveyor section that conveys the recording medium having thereon the image formed in the image forming section. An output unit is removably attached to the body and includes at least the conveyor section. The output unit may further include a face-down output path, a straight output path, a straight output tray, and the like.

Abstract: An ink-jet recording apparatus is provided, which makes it possible to perform borderless recording at a high speed. A platen 42 has a groove 116 which covers an entire ink discharge area of a recording head. A plurality of movable ribs 104 are provided in the groove 116. The movable ribs 104 are allowed to slide from first positions to second positions in synchronization with the transport of a recording paper 146. The first positions are positioned between mutually adjoining first fixed ribs 102, and the second positions are positioned between mutually adjoining second fixed ribs 103. The movable ribs 104 protrude upwardly from an upper surface 109 of the platen 42. The movable ribs 104 reliably support the recording paper fed to the position over the groove 116.

Abstract: An inkjet recording apparatus includes a belt transporting apparatus, a nip roller nipping a recording medium in cooperation with an outer peripheral face of a transport belt at a predetermined position, a nip-roller moving mechanism, an inkjet head, an applying unit which applies cleaning fluid to the outer peripheral face, a blade which is in contact with the outer peripheral face on a downstream side of a position where the cleaning fluid is applied to the outer peripheral face to scrape off the cleaning fluid and ink that adhere to the outer peripheral face, a travel controlling unit which controls the transport belt driving unit to cause the transport belt to travel, and a nip-roller movement controlling unit which causes the nip roller to be contacted with the outer peripheral face after an initial contact place passes the predetermined position.

Abstract: A mounting assembly for a printhead assembly is described that can allow dynamic nozzle and drop placement adjustment in one or more directions.

Abstract: A micro-fluid jetting device and a method of ejecting fluid mixtures onto a substrate. The micro-fluid jetting device includes a housing containing a logic circuit and fluid reservoirs for at least two different fluids. A micro-fluid ejection head is attached to a first end of the housing. The ejection head is in electrical communication with the logic circuit and the fluid reservoirs. At least two channel members are provided for directing fluid from the reservoirs to a plurality of fluid ejection nozzles in a nozzle plate member. The ejection nozzles for each of the at least two different fluids are arranged in the nozzle plate member so that adjacent ejection nozzles are in flow communication with different fluids. A power source in electrical connection with the micro-fluid ejection head is provided in the housing for activating the micro-fluid ejection head for jetting the fluids therefrom.

Abstract: An improvement upon telemicroscopic loupes of the type which are adjustably mounted to an eyeglass frame, headmount or through-lens designs. The preferred embodiment includes a cap including an optical element to adjust for the working distance of a loupe. The cap may be frictionally fit onto the loupe or threadably attached to the loupe body. According to an alternative embodiment, one or more eyepiece components may be used alone or in combination with the end cap for adjusting prescription and/or working distance.

Abstract: An individual eyeglass lens in which the vertical distance from the near reference point to the far distance point amounts to max. 18 millimeters, the progressive length is max. 14 millimeters, the main progressive length is max. 10 millimeters and the increase in refractive index, starting from the effect of the eyeglass lens at the far reference point up to a point 2 millimeters below the centering point amounts to less than 10% of the addition. The progressive length corresponds essentially to the vertical distance between the far reference point and a point essentially on the main line at which, starting from the far reference point, the value of the effect of the eyeglass lens corresponding the first time essentially to the near value.

Abstract: The present invention provides a method and device of measuring the retinal stray light in the eye of a subject, comprising presenting to the subject a flickering stray light from a stray light source; presenting to the subject compensation light so as to undercompensate said part of the flickering stray; presenting to the subject compensation light, the compensation light flickering with a modulation depth so as to eventually overcompensate the flickering light being imaged on the retina; and determining from the results of a sequence of comparisons using different parameter values between the resulting retinal light flickering as perceived by the subject for the undercompensated test area and the eventually overcompensated test area a stray light parameter.

Abstract: A device and method for determining the defective vision of an optical system include a controllable optical element. The objective and subjective determination of the correction values are more greatly combined in that a measuring and controlling device forms a control loop with the controllable optical element, and the optical characteristics of the controllable element can be changed manually.

Abstract: A projection system comprising a first imaging component, at least a second imaging component, and a color combiner. The first and second imaging components each comprise an imager and a reflective polarizer that is configured to at least partially separate a light beam from the imager into a first portion and second portion, where the first portion and the second portion have substantially orthogonal polarization states. The first portions of the light beams are directed in the same direction above or below a plane defined by the second portions of the light beams. The color combiner is configured to combine the second portions of the light beams, where the second portions of the light beams have substantially orthogonal polarization states prior to entering the color combiner.

Abstract: An image display apparatus that displays an image through scanning by a plurality of beam lights, includes: a light source section that supplies the beam lights; and a scanning section that subjects to scanning the beam lights coming from the light source section. In the image display apparatus, the light source section is driven for a tone representation using the beam lights each having a light amount that is assigned a weight depending on how many bits are allocated in a range from minimum to maximum, and allocates at least two of the beam lights to at least one higher-order bit in the range.

Abstract: A system for supporting a projector on a support structure relative to a projection surface includes a plurality of base members connectable with the support structure and having a position adjustable relative to the projection surface. The system also includes a base member calibration system for calibrating the base members to a predetermined position relative to the projection surface. The system also includes a plurality of foot members for supporting the projector. Each foot member has a position adjustable relative to the projector. The system further includes a projector calibration system for calibrating the projector to a predetermined position relative to the foot members. The projector calibrated to the predetermined position relative to the foot members is calibrated to the predetermined position relative to the projection surface when the foot members rest on the base members.

Abstract: An image projection apparatus includes: an imaging portion that takes an image of an object; an optical element that is disposed halfway on an optical path between the object and the imaging portion, and that branches the optical path; a projection portion that projects image light onto the object through the optical element; a dust prevention cover that includes an opening on an optical axis between the object and the optical element, and that covers at least the optical element to protect the optical element from dust; and a transparent dust prevention member that is provided in the dust prevention cover to close the opening, and that has a reflection surface preventing reflection light, which is obtained by receiving the image light from the projection portion and reflecting the image light, from being incident on an entrance pupil of the imaging portion.

Abstract: The present invention relates to a control panel assembly in which a light emitted from a single lamp is prevented from being dispersed nearby. A control panel assembly for a laundry machine, the control panel assembly includes a lamp supporter in which a plurality of lamps are installed to display functions selected by a user; a deco formed corresponding to the plurality of the lamps, the deco including a plurality of light-emitting holes through which a light emitted from each of the lamps passes; a light window including a light dispersion preventing part provided between the lamp supporter and the deco to prevent the light emitted from each of the lamps from being emitted through the other light-emitting holes except a single light-emitting hole corresponding each of the lamps.

Abstract: An enclosure assembly allows a hinge bracket to realize establishment of the opened attitude or the closed attitude of a second enclosure relative to a first enclosure. The second enclosure rotates relative to the hinge bracket around the second rotation axis. The second enclosure in this manner changes its attitude relative to the first enclosure. The hinge bracket stays where it is. The hinge bracket does not rotate. The position of the light sources is thus kept unchanged. The position of the light is maintained regardless of a change in the attitude of the second enclosure around the second rotation axis. The enclosure for an electronic apparatus is thus allowed to enjoy an enhanced appearance. This leads to an enhanced appearance of the electronic apparatus.

Abstract: A backlight unit for a display device includes a frame; a first circuit board extending along one end of and on a first surface of the frame; lamps over the frame, one end of each of the lamps disposed on the first circuit board; a first line on the first circuit board and connected to the one end of each of the lamps; and a first inverter on a second surface of the frame and connected to the first line via a first hole through the frame.

Abstract: A light source and a method for constructing a light source for a display device are provided. A first member having first and second sides and an opening therethrough is provided. A seal is positioned on the first side of the first member and on at least one side of the opening, the seal having a first thickness. A second member is positioned on the first side of the first member such that the seal is between the first and second members. A light emitting diode (LED) operable to emit light is positioned at least one of partially between the first and second members and partially within the opening. The first member is secured relative to the second member causing a force to be applied to the seal such that the thickness of the seal is reduced to a second thickness and substantially no light can propagate between the seal and the first and second members.

Abstract: The present invention is for an apparatus and method for using a special effects drinking lid which can be used to create movement in a moveable object, produce light, and/or produce a distinctive aroma or odor from a drinking container lid. The special effects drinking lid comprises: a container lid; a straw hole; an attaching means for connecting said container lid to a drinking container; an electrical circuit assembly; at least one activating mechanism for triggering at least one special effect; said activating mechanism is connected to said special effects; and said special effects are connected to said container lid.

Abstract: Portable solar powered light sources, devices, apparatus, systems and methods of attaching and using the light source. The light sources can have a single small housing having an upper roof portion with an exposed solar cell, a photocell activator, and small housing. The housing can have two parts that pivot with one another so that a front end of the housing can be biased together by a spring, and the rear side having edges that are spaced apart. An operator can press the rear spaced apart edges together, to open the front end to slide about a support structure, such as an open umbrella fabric edge. The housing allows for the light source powered by batteries to be activated by the photocell during dark(night) conditions), with the light direction being adjustable underneath. During daylight, the solar cell receives sunlight to charge the batteries within the housing.

Abstract: An electrical switch comprises first and second switch elements including respective first and second electrically conductive flexible domes for selectively making electrical connections. The second switch element is disposed adjacent the first switch element with an electrical conductor therebetween. An actuator is movable for exerting force on the second switch element via a spring, and for exerting force on the first switch element via the spring and the second switch element. The second flexible dome may have an actuating force that is less than the actuating force of said first flexible dome.

Abstract: Cold cathode fluorescent tubes of the first group are aligned widthwise in one side of an enclosure which is divided into two areas at a centerline running widthwise. Cold cathode fluorescent tubes of the second group are aligned widthwise in the other side of the enclosure. All of the cold cathode fluorescent tubes are symmetrically-placed with respect to the centerline running widthwise. The cold cathode fluorescent tubes positioned outside widthwise are inclined at ?2 so that the distance between each of the tubes and the aperture plane gradually decreases lengthwise from an edge toward the center of the enclosure. The cold cathode fluorescent tubes positioned inside widthwise are inclined at ?1 so that the distance between each of the tubes and the aperture plane gradually decreases lengthwise from an edge toward the center of the enclosure. The inclined angle ?1 is made greater than the inclined angle ?2.

Abstract: In an embodiment, a recessed light fixture includes a structural reflector and two end caps that form a light fixture housing. A first, second and third optics areas are provided. At least one first light source type is mounted near the first optics area. A second light source type is mounted near the second optics area and the second light source type is mounted near the third optics areas, the second light source type having a light output level substantially lower than the light output level of the first light source type. A diffuser is configured to sealably mount to the light fixture housing so as to substantially seal an interior portion of the light fixture. In operation, the light fixture can be switch between an ambient mode and an examination mode while providing a cost effective and attractive design.

Abstract: A backlight unit includes a receiving member, a lamp socket disposed in the receiving, member, a lamp coupled to the lamp socket and an inverter unit coupled to the lamp socket to supply electric power to the lamp. The receiving member further includes a guide portion for guiding the inverter unit The lamp socket includes a body, a first connector formed in a first end of the body, and a second connector formed in a second end of the body, wherein the first connector connects to the lamp and the second connector connects to the inverter unit.

Abstract: A backlight assembly includes a receiving container, lamps, a diffusion plate and a lamp-fixing member. The receiving container includes a bottom plate and sidewalls together providing a receiving space. The lamps are arranged substantially parallel to each other on the bottom plate. The diffusion plate is disposed over the lamps. The lamp-fixing member includes a body portion extending substantially perpendicular to the lamps, a buffer protruding upwardly from the body portion, a diffusion plate supporting portion protruding from the buffer to support the diffusion plate and a lamp-fixing portion formed at the body portion to fix the lamps. Therefore, the buffer having elasticity is formed at an area at which the diffusion plate supporting portion is formed, so that rubbing between the diffusion plate and the diffusion plate supporting portion may be reduced.

Abstract: A back-light source comprises a plurality of light-emitting devices, each light-emitting device having a light-emitting package and a lens surface. In at least some of the light emitting devices, the radius of curvature in one direction of the lens surface is different from the radius of curvature in another direction such that one of the radii of curvature of the lens is greater than the other radius of curvature. In particular, one radius of curvature is equal to or smaller than half the length of the device. The other radius of curvature is equal to or greater than half the length of the device. As such, the lens has different focal lengths in different directions. The light-emitting package can have a plurality of light-emitting sources of a single color or of different colors.

Abstract: An exemplary LED lamp assembly includes a housing (21), a printed circuit board (22), one or more LEDs (23), a light reflective module (24) and a lamp cover (25). The housing includes a top cover (211), a base sheet (213), a plurality of sidewalls (215), and an opening (218). LEDs are electrically connected to the printed circuit board on the base sheet includes a light-emitting side surface (233) and a top surface (235), a portion of the light-emitting side surface facing the opening, and the top surface facing the top cover. The reflective module defines a through hole (247) for allowing the LED passing therethrough. The first-light-distributing member (26) is located in the housing between the LED and the opening. The lamp cover covers the opening.

Abstract: A housing for a light fixture, and the light itself, is disclosed. The housing comprises an elongate body and a resilient member mountable in the body to retain at least one light emitting diode (LED) between the resilient member and the housing such that the or each LED is repositionable within the housing. The light includes at least one LED mounted in the housing.

Abstract: An LED lamp includes a heat dissipation device and a plurality of LED modules. The heat dissipation device includes a heat conductive member and a fin unit. The LED modules are attached to a top surface of a first plate of the heat conductive member. The heat conductive member comprises a plurality of posts embedded in the top surface of the first plate. Peripheries of the first and second plates are in a hermetical conjunction with each other to form a chamber containing phase-changeable working fluid therein. The first plate has a plurality of receiving recessions which are depressed downwardly from the top surface thereof and respectively receive the posts. Screws are used to extend through the LED modules to threadedly engage in the posts thereby to intimately mount the LED modules on the top surface of the first plate of the heat conductive member.

Abstract: An LED lighting device with a heat dissipating structure is disclosed. The lighting device includes a lamp base coupled with a top cover to form an accommodating space for accommodating a first heat dissipating module and a second heat dissipating module. The first heat dissipating module includes a first heat-conducting plate, a first heat pipe and a first heat dissipater. An LED lighting module is connected with the first heat-conducting plate, in which an evaporator section of the first heat pipe is disposed thereon. The first heat dissipater is arranged on a condenser section of the first heat pipe, and the second heat dissipating module includes a second heat-conducting plate and a second heat pipe. The second heat-conducting plate paralleling to the first heat-conducting plate is connected with the LED lighting module. An evaporator section of the second heat pipe is disposed on the second heat-conducting plate, and whose condenser section is connected with an inner surface of the top cover.

Abstract: A light assembly, comprising: a translucent housing; an inner wall disposed in the translucent housing, the inner wall and the translucent housing defining an inner cavity; a plurality of light emitting diodes electrically coupled to a power source; a switch for electrically connecting and disconnecting the plurality of light emitting diodes to the power source and activating an operating mode including sequential flashing of the plurality of light emitting diodes, the plurality of light emitting diodes and the power source being disposed in the inner cavity; and a removable base configured to be secured to the inner wall, the removable base defining a bottom portion of the housing, the switch being located in the removable base.

Abstract: A lighting installation has two light fixtures which each have an illuminant in a horizontal burning position and a box reflector surrounding the illuminant. The box reflectors of the two light fixtures are each designed to produce half bat wing light distributions. The two light fixtures are positioned parallel to one another such that they together produce bat wing distribution and the two light fixtures can be adjusted in relation to one another.

Abstract: A LED projector light module comprising a main body, a LED unit, a heat-radiating unit, a voltage conversion unit and a base is disclosed. The main body is made of metallic material with good thermal conductivity (e.g. copper) and contains a space for accommodating the LED unit. The LED unit and the voltage conversion unit are electrically connected. The voltage conversion unit is configured inside the base. The base is connectable to the main body. The bottom surface of base is disposed with an electrically conductive pin that matches the projector socket. The electrically conductive pin is electrically connected to the voltage conversion unit at one end.

Abstract: An LED lamp includes a heat sink (10) and a plurality of LED modules (20) mounted on a periphery of the heat sink. The heat sink defines a through hole (122) from a lateral side to an opposite lateral side thereof to define a cylindrical inner face. A plurality of fins (16) are attached to the heat sink in a manner such that the fins have spaced external portions (160) extending outwardly from the periphery of the heat sink, and opposite internal portions (162) extending inwardly from the inner face of the heat sink. The internal portions connect with each other to form a joint (164) in the through hole, thus increasing a heat dissipating area of the heat sink and reinforcing the heat sink.

Abstract: An optical module according to the present invention comprises an electric wiring substrate, a first optical element mounted on the electric wiring substrate so that a heat generation section of the first optical element is positioned relatively close to a substrate surface of the electric wiring substrate and a heat sink mounted on the same plane as the mounting plane of the first optical element on the electric wiring substrate, the heat sink being mounted on the electric wiring substrate so that an area of electric wiring on the electric wiring substrate overlaps the heat sink. This improves the efficiency of heat radiation of the optical module.

Abstract: An apparatus and method is characterized by providing an optical transfer function between a predetermined illuminated surface pattern, such as a street light pattern, and a predetermined energy distribution pattern of a light source, such as that from an LED. A lens is formed having a shape defined by the optical transfer function. The optical transfer function is derived by generating an energy distribution pattern using the predetermined energy distribution pattern of the light source. Then the projection of the energy distribution pattern onto the illuminated surface is generated. The projection is then compared to the predetermined illuminated surface pattern to determine if it acceptably matches. The process continues reiteratively until an acceptable match is achieved.

Abstract: A light source emits light into a solid angle exceeding pi steradians with a known intensity distribution. An illumination lens has a first surface that receives at least 90% of the light of the known intensity distribution and has a shape that transforms the known intensity distribution into an intermediate intensity distribution within the transparent material of the lens. A second surface receives the intermediate intensity distribution and is shaped to transform the intermediate intensity distribution into a final intensity distribution that produces a prescribed illumination distribution upon a rectangular target zone. At least one of the shapes of the first and second surfaces is non-rotationally symmetric and is approximated by a super-ellipsoid.

Abstract: A lighting assembly apparatus for wingtip position lights and an anti-collision light (ACL). The lighting assembly apparatus reduces light flashback caused by the ACL by including one or more internal baffles located inside of a lens. A lens retainer receives the lens. The lens retainer includes a base section and internal baffles. The one or more internal baffles include a crossbeam baffle that is attached between upper and lower surfaces of the lens retainer. The crossbeam baffle reduces light flashback caused by the ACL and complies with ACL/regulatory requirements. The internal baffle includes a stepped edge that also reduces light flashback caused by the ACL and complies with ACL requirements.

Abstract: To provide a headlight device, in which a change of the region of illumination afforded by the headlamp can be initiated substantially punctual to the start of cornering of the motorcycle, the headlight device includes a headlamp for illuminating forwardly of the motorcycle, a light-distribution adjusting mechanism for changing a region of illumination, a bank angle detecting unit for detecting a bank angle ? of the motorcycle in reference to an angular velocity ?y about a vertical axis of the motorcycle, an angular velocity ?r about a longitudinal axis of the motorcycle and a motorcycle velocity v, and a light-distribution controller for controlling the light-distribution adjusting mechanism based on the detected bank angle ? to change the region of illumination into an area further away from and at least inwardly of a direction of turn of the motorcycle during a cornering.

Abstract: A headlight assembly for a straddle-type vehicle (e.g., a motor scooter) is provided that is positioned lower to the ground and farther forward than typical headlights to provide enhanced illumination from a front end of the vehicle. The assembly comprises a front portion of a vehicle body cover that extends over a portion of the front wheel of the vehicle. A headlight assembly is disposed at least partially on a front end of the front portion of the vehicle body cover. The headlight assembly comprises an upper light for generating a low beam of light and a lower light for generating a high beam of light. In addition, the headlight comprises position lights disposed on the right side and the left side of the upper and lower lights. Preferably, at least a portion of the headlight assembly is positioned farther forward than a leading end of the front wheel of the vehicle.

Abstract: A bulb 37 and a reflecting plate 40 are disposed in offset relation to a lens 54 so that an optical axis LB1 of a beam, emitted from the bulb 37, and an optical axis LB2 of reflection light, reflected by the reflecting plate 40, can intersect an axis CL of the lens 54 in a forward-rearward direction of a vehicle. Therefore, the beam can be radiated forwardly without directing the lens 54 forwardly. In the case where two reflecting surfaces 41a and 41b of an identical shape are provided symmetrically on the reflecting plate 40, and are arranged in the forward-rearward direction of the vehicle, and there are provided a pair of bulbs 37, a pair of reflecting plates 40 and a pair of lens 54 each pair of which are provided respectively for left and right (two) directions, the pair of reflecting plates, having an identical construction, are used. Therefore, the cost can be reduced, and this also prevents an erroneous operation in which the two reflecting plates are mounted in a reversed manner.

Abstract: The exterior rearview mirror has a mirror head, which is provided with a mirror glass and with at least one illuminant, which radiates light through at least one light permeable section to the exterior. Furthermore, the exterior rearview mirror has a mirror base. In order to provide the exterior rearview mirror, so that the light function is performed in an optimum manner through the simple provision of the mirror, at least part of the housing of the mirror head and/or of the mirror base is comprised of at least two plastic layers, having different light permeability. In the light permeable section, the plastic layer with the lower light permeability is missing, or it only has such thickness, that the light emitted by the illuminant radiates to the exterior with sufficient light intensity. The plastic layer with higher light permeability can be used as a light pane for the illuminant disposed behind it.

Abstract: A vehicle lamp can include LEDs configured to be a light source of the lamp, where the LEDs can be controlled to be turned on in part or in whole for a predetermined period and in a configuration that is different from the originally intended display purpose configuration of the lamp. The configuration can be controlled to be different when the vehicle is stopped and when a driver (or other person) initiates a predetermined operation on the vehicle. Contents such as color and pattern that are displayed by the LEDs on this occasion can be different from the contents associated with the original display purpose configuration of the vehicle lamp, resulting in an additional new display function, and new design.

Abstract: A light source has a unit structure including a main body, a light-radiating unit that is provided in the main body to radiate light, and a heat sink member that is provided in the main body. A lamp housing has a heat discharge opening at a position corresponding to the light source.

Abstract: Various embodiments comprise light recycling films comprising an array of parallel ridges and grooves that form prisms that selectively reflect or transmit light. In some embodiments, the light recycling film may be used in displays that include spatial light modulators comprising a plurality of pixels. The light recycling film can limit the field-of-view of the display and enhance the luminance within that field-of-view. Various embodiments comprising multiple arrays of ridges and/or grooves can enhance uniformity of illumination of the pixels in the spatial light modulator and reduce Moiré effects.

Abstract: A light guide device and a light guide plate using the same are provided. The light guide device has a first surface, a second surface, and a bottom surface. The first surface, the second surface, and the bottom surface define the internal part of the light guide device. The bottom surface has a cavity. When a light source in the cavity generates light, the light from the internal part of the light guide device is emitted via the first surface.