Abstract: This invention relates to a method and a device for the complete correction of sight defects in the human eye. Combinations of measuring, and processing methods are described which when applied as disclosed in the invention, make it possible to fully correct sight defects in the human eye. Measuring methods are used which can precisely scan the surface of the cornea and also register other imaging defects in the light path up to the retina. Computer-aided of said measuring results determined when combined with calculation of ideally corrected ocular lenses (for example after cataract operations) or ideally corrected surfaces of the cornea opens up the possibility of manufacturing a patient-specific lens and/or achieving ideal correction of the cornea using preferably a topography-supported spot-scanning-excimer laser system.

Abstract: A surgical microscope (100) for ophthalmology includes a measuring unit (110) for determining at least one characteristic value of a patient eye (104). The measuring unit (110) is connected to a computer unit (120) which calculates a model of the patient eye (104) based on the determined characteristic variables. The surgical microscope also includes a display device for displaying the calculated model of the patient eye (104) or characteristic variables that are derived from the calculated model.

Abstract: Detecting position information related to a face, and more particularly to an eyeball in a face, using a detection and ranging system, such as a Radio Detection And Ranging (“RADAR”) system, or a Light Detection And Ranging (“LIDAR”) system. The position information may include a location of the eyeball, translational motion information related to the eyeball (e.g., displacement, velocity, acceleration, jerk, etc.), rotational motion information related to the eyeball (e.g., rotational displacement, rotational velocity, rotational acceleration, etc.) as the eyeball rotates within its socket.

Abstract: Methods, devices, and systems for predicting an optical acuity measure of an optical system of an eye. An optical acuity measure can be predicted by determining a point spread function based on a wavefront measurement of an eye, convolving a resolution target with the point spread function to produce an image, and predicting the optical acuity measure of the optical system of the eye based on the image.

Abstract: A subjective refraction technique uses a plane wave light source including substantially a point as a viewing target. The refraction method provide for a number of distinct identifiable end points. By finding such end points the process leads to an aberration-corrected vision. A defocus corrector assembly (DCA) includes a lens that is moveable along an optical axis between a patient's eye and the point light source for adjusting defocus power until the patient indicates that the blurry image has become a relatively focused line image. An astigmatism corrector assembly (ACA) which is capable of continuously variable in its amplitude is provided including a pair of astigmatism plates for adjusting astigmatism power and axis angle. The ACA is adjusted until the patient indicates that the line image has become a substantially round image. A reference marker provides displayed items including a sweep line overlapping at the point source and having an orientation which is adjustable.

Abstract: A multi-view autostereoscopic projection system using a single projection lens unit. The projection type autostereoscopic system includes: a source of graphic signals representing at least three perspective views of a 3-D object on at least three parts of a frame, the at least three perspective views being directly or reflectively projected vertically or horizontally in a predetermined order, an image projector connected to the source of graphic signals, an image screen disposed across from the image projector, and first and second parallel plane mirrors installed between a projection lens of the image projector and the image screen to be substantially parallel to a projection axis at the same distance from the projection axis such that the first and second parallel plane mirrors are separated from each other by a predetermined distance.

Abstract: An image display apparatus for a viewer to view a two-dimensional image demonstrated on an image display device as an enlarged virtual image by a virtual-image optical system. The image display apparatus includes a prism and a reflective transmitting surface for reflecting or transmitting image light incident from an incident optical surface. The image display apparatus also includes a reflective optical component for reflecting image light reflected from the reflective transmitting surface and radiated from a first planar optical surface towards the reflective transmitting surface as a collimated light beam and a phase difference optical component arranged on a light path between the first planar optical surface and the reflective optical component to the state of polarization of the image light.

Abstract: A projector includes a lighting device having two light source devices each having an ellipsoidal reflector disposed such that the ellipsoidal reflectors face each other, a reflection system that reflects illumination lights emitted from the two light source devices substantially in the same direction, an electro-optic modulating device that modulates the light released from the lighting device according to image information; and a projection system that projects light modulated by the electro-optic modulating device. The two light source devices are disposed such that the respective light source optical axes of the two light source devices are substantially perpendicular to the projection optical axis of the projection system. The reflection system is constructed such that the center axes of the respective illumination lights emitted from the two light source devices and entering a converging lens are inclined toward the illumination optical axis of the lighting device by a predetermined angle.

Abstract: An optical projector system is provided. The optical projector system includes light source device, an optical system, a lens set, and a photoelectric conversion device. The optical system has a light entrance end corresponding to the light source device and a light exit end corresponding to the lens set. The light source device includes a light source and a hood enclosing the light source. The light source device, the optical system, and the lens set together form a light passage. The photoelectric conversion device is disposed on a deviating light zone outside the hood for receiving the light deviating from the light passage.

Abstract: A system for providing a dynamic audio-visual environment using an eSurface situated in a room environment; a projector situated for projecting images onto the eSurface; a camera situated to picture the room environment; a central processor coupled to the eSurface, the projector and the camera. The processor receives pictures from the camera for detecting the location of the eSurface; and controls the projector to aim its projection beam onto the eSurface. The eSurface is a sheet-like surface having the property of accepting optically projected image when powered, and retaining the projected image after the power is turned off.

Abstract: An end face of a narrow-diameter end portion is easily disposed at a correct position on an examination object without setting an examination site, thus enabling rapid and straightforward acquisition of an image of the examination site. The invention provides an alignment method for a guiding device which is attached to an end of an objective lens in such a manner as to be capable of positional adjustment in an optical axis direction and which is brought into contact with an examination target to make a focal position of the objective lens coincident with an examination site.

Abstract: An exterior vehicle mirror system has a vehicle mountable support and a support arm. A mirror housing is movable along the support arm between the support and a distal end. An electrically powered mirror unit adjust mechanism can adjust the mirror unit about horizontal and vertical axes. An electrically powered pivoting and extending mechanism pivots the support arm about the support between an extended position and a position folded against a vehicle side. An electronic control system controls movement of the mirror housing along the support arm, and folding of the support arm, independent of an adjustment of the mirror unit. The electronic control system comprises a memorized position for the powered pivoting and extending mechanism.

Abstract: A vehicle mirror assembly having a housing and dome-type mirror lens. The lens has a first base footprint portion with a constant radius of curvature and a diameter, and a second base footprint portion comprised of an elliptical portion with a base major axis and a base minor axis. The mirror lens includes a first surface portion having a first surface radius and conforming to the first base footprint portion. The lens additionally includes a second surface portion conforming to the second base footprint portion. The second surface portion is comprised of a second surface major radius of curvature corresponding to a major surface axis and a second surface minor radius of curvature corresponding to a minor surface axis.

Abstract: The present high positioning reproducible mirror-actuator interface disclosed herein overcomes the deficiencies associated with conventional interface systems and offer a number of advantages that are disclosed herein. Generally, the mirror mounts provide a reliable and robust interface between the mirrors and actuators, that serve to move and position the mirrors, as wells as providing an interface between the mirrors and gravity compensator pins. The mirror mount is characterized as having a body that has an outer peripheral wall that includes a plurality of flexible elements around the perimeter of the body, each having a high stiffness in plane and a high flexibility out of plane. The body is open at the first end to allow flexing of the flexible elements. The flexible elements providing a direct coupling interface between the mirror mount and the mirror.

Abstract: This invention is directed toward a method for wiring lighting systems, primarily low voltage, landscape lighting systems. The inventive method operates to equalize voltage drop across such lighting systems. The inventive method involves running a home run wire from a power source or transformer to a wiring hub. Two or more light fixtures having equal length wire leads are connected to the home run wire in the wiring hub. Each of the light fixtures are then arranged in the landscape lighting system around the wiring hub. Uniform voltage drop is achieved through the creation of equal distances between multiple light fixtures and a common power source. The common home run wire and equal length wire leads results is an equal distance from a common power source to each light fixture in the configuration.

Abstract: The light-emitting element emits light itself. The element includes a light-emitting portion having a higher refractive index than a refractive index of air and a diffraction grating structure provided to a light-emitting side surface of the light-emitting portion. The function that a minimum light-emission value is equal to or less than 50% of a maximum light-emission value when white light is emitted from the light-emitting portion is realized.

Abstract: A device for the illumination of a display, in particular of a transmission display of a motor vehicle, comprises an areal lighting means for an at least substantially uniform illumination of the total display in combination with at least one light emitting diode for an illumination of a respective individual display, in particular of a transmission position display offset in comparison with the uniform illustration of the total display, in particular a more intensive illustration of a respective individual display, in particular of a transmission position display.

Abstract: An exemplary direct-type backlight module includes light sources, a frame, and a fixing member. Each light source includes a supporting strip and at least one light-emitting member provided with the supporting strip. The frame includes a bottom plate. The bottom plate includes elastic members. The fixing member is engaged with the elastic members thereby fixing the supporting strips of the light sources to the bottom plate of the frame. A liquid crystal display using the backlight module is also provided.

Abstract: A light adapted to be attached to an article of clothing, comprising a power supply casing, an illuminator casing, having therein an illuminator adapted to emit a beam of light when electrically powered, said power supply casing and illuminator casing being attachable and detachable to the article of clothing means of a clamping force applied by a clamp with at least one extension, said at least one extension providing mechanical interconnection and a clamping force between the light and the article of clothing to retain the article of clothing therebetween.

Abstract: An illuminated eyeglass assembly includes one or more temple members having an integral lighting assembly structured and disposed to provide an illumination region proximate a user, for example, to illuminate an item within an arm's length of the user. Each integral light assembly includes at least one light source interconnected to a power source via a switch mechanism. Each of the light sources produce a light beam, and the light sources are structured and disposed such that the light beams provide an illumination region immediately proximate the user, thereby permitting the user to perceptively view an item in a low light environment, such as, to permit the user to read menu or a check in a restaurant or nightclub. A system is provided to retrofit an existing eyeglass assembly with one or more temple member having an integral lighting assembly.

Abstract: A telescopic light base couples decorative light fixtures to a flower pot or other similar container. The decorative light fixture may then be used to illuminate the contents of the pot. The telescopic light base has a ground-engaging pad upon which the pot rests. The weight of the pot then serves to anchor the telescopic light base in place. A telescopic pole support of variable length is coupled at a first end to the ground-engaging pad. At an end of the telescopic pole support distal to the ground-engaging pad, a pot upper rim retention arm is provided which operatively passes within the pot sidewalls. Adjacent to the pot upper rim retention arm is a lamppost connector. The telescopic pole support may be contracted to capture a pot between the ground-engaging pad and pot upper rim retention arm, and then later expanded and separated from the pot.

Abstract: In order further to develop a built-in light comprising a frame 1 which can be mounted to a ceiling, a retaining hoop 2 which can be fixed to the top side of the frame, a reflector 4 which can be connected to the frame 1 and a fitting carrier 3 which can also be connected to the frame 1 in such a way that it can be more easily assembled, it is proposed that the retaining hoop 2 is provided with lateral guide surfaces 2d for guiding the fitting carrier 3 and support surfaces 2e engaging thereunder for draw-like receiving the fitting carrier 3 and that there are provided latching means for connecting the fitting carrier 3 to the retaining hoop 2.

Abstract: An in-grade light fixture comprises a light fixture housing arranged to be buried substantially below grade level. The light fixture housing has a light opening substantially at grade level and an optical chamber having a light source arranged within the optical chamber and the optical chamber arranged within the housing with light from the light source passing through the light opening. The fixture further comprises a plurality of housing openings and one or more enclosures, each of which is removably mounted to a respective one of the housing openings. The enclosures accept external power and generate power to energize the light source causing it to emit light. The optical chamber can also comprise an anti-condensation valve and an air passageway between the optical chamber and one of the enclosures form a vacuum in the optical chamber and vacuum during operation.

Abstract: A light-emitting structure for generating an annular illumination effect includes a light-guiding module, a cover module, and a first light-emitting module. The light-guiding module has a hollow light-guiding body and a reflecting layer formed on an inner surface of the hollow light-guiding body. The cover module has a first cover body disposed on one end side of the hollow light-guiding body and a second cover body disposed on the other opposite end side of the hollow light-guiding body. The first light-emitting module has a plurality of first light-emitting elements disposed between the hollow light-guiding body and the first cover body. Therefore, first light beams generated by the first light-emitting elements are projected onto the hollow light-guiding body, and the first light beams are guided by the hollow light-guiding body and are reflected by the reflecting layer in order to make the hollow light-guiding body generate the annular illumination effect.

Abstract: A flashlight mounting arrangement may comprise a flashlight body having a source of light therein, and a mounting saddle for detachably affixing the flashlight body on an object, the mounting saddle detachably engaging the flashlight body. Optionally, the flashlight may have a rotatable lamp head, and the lamp head may also include a reflector having one or more sources of light, e.g., an incandescent lamp and a light emitting diode, therein. Also optionally, a battery charger may be provided to recharge a battery for the flashlight.

Abstract: A lighting device is disclosed. The lighting device can be battery-powered and can include one or more LEDs within a light source housing. The device can also include a base connected to the light source housing, and a clip removably connected to the base. The base can act as a stable support for the lighting device when the lighting device is positioned upright over a flat support surface with the clip disconnected from the base. Similarly, the clip (or the clip in conjunction with a portion of the base) can act as a stable support for the lighting device when the lighting device is positioned upright over a flat support surface with the clip connected to the base. The clip can be configured to releasably connect to the base in a first orientation and a second orientation substantially opposite to the first orientation.

Abstract: A personal light including a battery power source connected in series with a light-emitting diode (LED) light source and a switching mechanism configured for non-contact actuation are disposed within an environmentally sealed chamber. A reflector is employed to maximize reflection of light emanating from the LED and a lens having an anti-reflective coating thereon associated with the LED opposite the reflector to enhance the light output and magnify the narrow beam of the LED. The switch employs an actuation mechanism exterior to the chamber to activate and deactivate the light.

Abstract: Disclosed is a method and apparatus for providing a solid state light emitter and driving circuitry integrated into a component module that will retrofit common incandescent light bulb applications.

Abstract: An inflatable light stick includes an inflatable bag body, an inflation inlet provided at a first end of the bag body, and a light emitting circuit provided in the bag body at a second end thereof. The light emitting circuit includes a controller, which has a front end extended into the bag body, and a rear end outward projected from the bag body to serve as a power-on control. Air can be blown via the inflation inlet to inflate the bag body, and the controller can be pulled to supply power from batteries to the light-emitting diode, making the inflated bag body firm and upright while showing colorful lights, and suitable for use as an eye-catching light stick for waving to create joyful and exciting atmosphere and achieve enhanced entertaining effect.

Abstract: A structure for attaching a fluorescent tube includes a base, a holder supported by the base, and a pair of contacts. The holder holds an intermediate portion of the fluorescent tube while restraining the fluorescent tube from moving in a radial direction. To the pair of contacts, terminals of a pair of end portions of the fluorescent tube are respectively attachable in an attaching direction corresponding to the radial direction of the fluorescent tube. Each contact includes a pair of elastic pieces facing each other. The pair of elastic pieces have a pair of straight portions extending substantially straight along the attaching direction and facing each other. On the pair of straight portions, a pair of contact portions for clamping the corresponding terminal of the fluorescent tube therebetween are formed.

Abstract: A backlight module for a liquid crystal display (LCD) device includes a bottom plate, a plurality light sources, a light-premixing unit, and a light-mixing unit. The light sources are mounted on the bottom frame. The light-premixing unit is located above the bottom frame. The light-premixing unit includes a first diffuser. The light-mixing unit is located at a distance above the light-premixing unit. The light-mixing unit includes a second diffuser. The backlight module can effectively reduce the thickness of and meet the slim-line requirement of the LCD.

Abstract: An LED lamp includes a bracket and a heat sink secured to the bracket. The heat sink has a base and a plurality of mounting members and platforms extending upwardly from the base. A plurality of LED modules are mounted on the mounting members and the platforms. A pair of LED modules located beside and adjacent to a central line of the base is disposed slantwise and face inwardly to each other. Another pair of LED modules at two opposite lateral portions of the base of the heat sink is disposed slantwise and face outwards. The LED modules mounted on the platforms face upwardly.

Abstract: The invention provides an automated light-emitting apparatus, which can be disposed in an object, includes a light-emitting unit, a force-sensing module, and a power-generating module. The force-sensing module includes a first component and a second component engaged to the first component. When the object receives an external force, the force-sensing module changes the distance between a first portion of the first component and a second portion of the second component. Moreover, the power-generating module includes a coil coupled to a magnetic member, the magnetic member engaged to the first component, and a magnetic conductor engaged to the second component. Particularly, when the distance between the first portion and the second portion is changed, the coil generates an induced electromotive force for supporting the light-emitting unit with needed power.

Abstract: In accordance with the present invention, a light-emitting element mounting board is provided including an enamel layer which covers the surface of a core metal, wherein reflective cup portions for mounting light-emitting elements are provided on one face of the board, and wherein a heat radiating part is formed by at least partially removing the enamel layer on the other face of the board, and exposing the core metal. Further, a light-emitting element module including light-emitting elements mounted thereon, a lighting device including the light-emitting element, a display device, and traffic signal equipment are provided.

Abstract: An LED illuminating device includes an optical section (10), an electrical section (30), and a heat dissipation section (20) arranged between the optical section (10) and the electrical section (30). The heat dissipation section is provided with a heat dissipation device (200) which includes a heat sink (23), a mounting seat (24), and a heat pipe (22) connecting the mounting seat with the heat sink. The heat sink includes a solid base (231) and a plurality of fins (232) extending radially and outwardly from the base. The base is provided with a through hole (233). Alight source (11) is provided in the optical section and attached to the mounting seat. The heat pipe includes an evaporating portion (222) attached to the mounting seat, and a condensing portion (221) fittingly received in the through hole of the base.

Abstract: An optical member (3) has an entrance bottom surface (6) opposed to LED chips (1) and the entrance bottom surface (6) is configured to receive light from the LED chips (1), an exit top surface (7) opposite to the entrance bottom surface (6) and the exit top surface (7) is configured to emit the light outside the optical member(3), and an outer peripheral side surface (8) disposed between the entrance bottom surface (6) and the exit top surface (7). The outer peripheral side surface (8) has a plurality of circumferentially extending grooves (9) each having a V-shaped sectional configuration. The grooves (9) are set at an angle at which the entered light can be totally reflected inwardly in the optical member (3).

Abstract: A light control film enabling improvement in front luminance, having appropriate light diffusing property and free from problems of interference pattern, glare etc. is provided. A light control film 10 having a rough surface as one surface and a substantially smooth surface as the other surface is constituted so that total light transmission of the film for lights entered from the smooth surface should be not more than 65%, total light transmission of the film for lights entered from the rough surface should be not less than 80%, as measured according to the measurement method defined in JIS K7361-1:1997, and a value obtained by subtracting the total light transmission for smooth surface incidence from the total light transmission for rough surface incidence should be not less than 30%.

Abstract: The present invention relates to a light source package structure, which comprises: an accommodating space for accommodating a light source, a first refraction surface, and at least a second refraction surface. The first refraction surface receives light discharging from the light source while refracting the same to form a first refracting light, the upper part of the first refraction surface further comprising a refracting structure for refracting the light emitted from the light source. The second refraction surface receives and refracts the first refracting light to form a discharging light being emitted out of the light source package structure. Wherein, an included angle is formed between the normal vector of a portion of the second refraction surface and the central axis of the light source package structure. It is noted that the aforesaid package structure can be used in various packaging for improving refraction.

Abstract: A balloon lamp includes a holder base, a balloon shade affixed to the holder base at the top, a balloon connector mounted in the balloon shade to secure a balloon, a power supply unit mounted in the holder base, and one or more LEDs installed in the balloon shade or the holder base and electrically connected to the power supply unit to emit light toward the balloon, thus producing a lighting effect.

Abstract: Moving head projector comprising a base, to which base a yoke is rotationally connected, to which yoke a head is rotationally connected, the head having a light source partly inside a reflector that forms a light beam which passes through a light forming arrangement located on at least one rotating disc formed member that is rotated by at least a first motor, and at least one lens through which the light beam passes before leaving the projector. The light forming arrangement is exchangeable via an opening in the head of the projector located radially outward of the at least one rotating disc formed member for providing direct access thereto during operation of the projector, the projector having a cover for closing and exposing said opening, opening of the cover switching the projector from a first mode of operation to a second mode of operation.

Abstract: An optical signaling apparatus for use in highways or roadways (2), particularly in low visibility conditions, wherein a roadway (2) comprises at least one traffic bearing surface (S) with at least one edgeline (3). The apparatus comprises light-emitting means (4) for emitting at least one laser beam (5) and support means (6) designed to be arranged along the roadway (2) for supporting the light-emitting means (4). The apparatus also includes optical means (7) arranged along the roadway (2) for interacting with the beam (5) in such a manner as to selectively conform and project it either in a first direction (D1) which is incident on at least one edgeline (3) to interact therewith, or in a second direction (D2) substantially parallel to the traffic bearing surface (S) to define a substantially continuous optical path that can be viewed by the users, or even in both such directions (D1, D2).

Abstract: A pole-suspended flag illumination system positions a lighting fixture located in close proximity to a flag on a flagpole to provide illumination to the flag. The lighting fixture can slide up and down the flagpole in unison the flag using the same halyard that is used for the flag, or by other means. Further, flags often rotate about the flagpole as the wind shifts. As such, the lighting fixture can rotate about the flagpole in alignment with the flag so as to maintain illumination on the flag at it rotates. The flag and the lighting fixture may be attached to a reinforced electrical cable that acts as a halyard and raises and lowers them both along the flagpole. Further, the electrical cable can be connected to a power source to power directional lights in the lighting fixture and any other electrical devices on the flagpole.

Abstract: The fixed light for bends for a motor vehicle comprises at least two light sources, means sensitive to the path of the vehicle for supplying a signal dependent on the nature of the road followed by the vehicle, and means for controlling successive switching on the sources according to the signal delivered and providing an effect of light sweeping towards the inside of the bend. Each light source consists of one or more modules with light-emitting diodes.

Abstract: A bracket for securing a light source to a lamp housing is provided. The lamp housing has a heat-discharge opening at a position corresponding to the light source. The bracket has a wall portion arranged between the light source and an edge of the heat-discharge opening.

Abstract: A turn lamp includes a base housing; a light source unit incorporated with a light source and housed in the base housing; an inner housing provided with a long and solid light guide; a lens cover that covers the base housing; and a diffused reflection generator that is structured such that light from the light source leaks out long from the light guide.

Abstract: A fitting, especially a roof liner for the passenger compartment of a motor vehicle is provided with a flat light source having a plate-shaped light guide which radiates light in the direction of the visible side of the fitting. The front surface of the plate-shaped light guide protrudes at least partially above the flat side of the interior fitting opposite the visible side and actively cooperates with a source of illumination.

Abstract: A lamp unit includes a projection lens disposed on an optical axis, a light source disposed on a rear side of a rear focal point of the projection lens, a reflector configured to forwardly reflect light emitted from the light source toward the optical axis, and a shade configured to shield a part of the light reflected by the reflector. The lamp unit is configured to form a light distribution pattern having a cutoff line. An incidence plane of the projection lens includes a vertical diffusing portion which regulates the cutoff line. The vertical diffusing portion includes a plurality of lens elements extending substantially parallel to a horizontal portion of the upper edge of the shade. A vertical section of each of the lens elements is convex or concave with respect to a reference surface of the incidence plane.

Abstract: An LED vehicular lamp with reflector can include a plurality of LED modules each having respective appropriate light distributions. The modules can be attached to a housing to form a light distribution characteristic though combination of the light emitted from the LED modules. At least part of the LED modules can include an illumination axis that is substantially at a right angle to the optical axis of the lamp such that light reflected at a reflector provided in the housing travels in the illumination direction of the LED light source vehicular lamp. The LED modules can also include a rear end that protrudes from an outer surface of the housing to improve the heat radiation efficiency, which enables the use of LED chips that can use higher permissible current values.

Abstract: A lighting system is provided having a light source with a housing, an LED engine, a controller, a heat sink, a connection device, and a power cable opening. The LED engine, controller and heat sink can be enclosed by the housing and sealed from atmosphere. The heat sink can be in thermal communication with the LED engine. The controller can be connected to a power cable inserted through the power cable opening. The controller can control at least one of power to the LED engine and a light output generated by the LED engine. A fiber optic cable can be connected to the LED engine by the connection device. The LED engine can communicate the light output through the fiber optic cable.

Abstract: A back light module where one of the top and bottom surfaces of the light guide contain a micro Fresnel lens array which is off-axis so that a portion of the light won't initially escape from the back light module. The light is reflected down the length of the light guide, spreading the light across the back light module. In one embodiment, the Fresnel lens array is designed to have its efficiency vary across the back light. A smaller percentage of the light is directed out of the module near the light source, with most of the light being directed down the light guide. In an LED embodiment, the LED is mounted on the top or bottom edge of the light guide with a diffraction structure on the opposite side to diffract the light down the light guide.