Abstract: Hand-holdable toy light tube comprising a handle, a light source and a tube of color shifting film. The light source is preferably disposed within an end of the handle. The tube of color shifting film extends from the end of the handle. During use, light from the light source interacts with the tube of color shifting film, producing a brilliant colored effect. Movement of the handle and thus of the tube of color shifting film produces multiple colors.

Abstract: The flashlight of the present invention is comprised generally of a flashlight chassis which houses energy cells, a flashlight head which houses a beam adjustment assembly, and an endcap which houses a switch assembly. The beam adjustment assembly and the switch assembly utilize printed circuit boards to support the lamp bulb and switch, respectively. The beam adjustment assembly mounts inside the flashlight head and can only be accessed and adjusted by removing the outer lens retaining ring that secures the assembly within the head. Once accessed, the bulb support of the assembly can be rotated relative to the reflector of the assembly to adjust the light focal length of the flashlight. The adjustment assembly is also provided with a shock absorber that supports the light bulb. In one embodiment, the endcap is provided with a threads to permit the flashlight to be axially attached to an expandable baton.

Abstract: An assembly for illuminating a sign having an enclosure covered by a translucent panel includes a plurality of track molding sections, each having at least one circuit board electrically connecting a plurality of LEDs mounted thereon, integrated into a unitary structure by brackets or a stencil with the molding sections secured in a configuration suitable to be inserted into the enclosure and to illuminate the translucent panel. The unitary structure is secured in the enclosure into which has been inserted by sheet metal screws, epoxy glue, double backed adhesive strips or the like. Preferably, if brackets are used, at least two of the brackets extend to a side wall of the enclosure and a plurality of screws fasten the brackets to the side walls of the enclosure to which they extend.

Abstract: A flat light source with U-shaped configuration is proposed which can provide substantially uniform surface illumination. The flat light source includes a first transparent portion for use for illumination which may be composed of a first substantially flat light transmission means, a second transparent portion for use as bypass light guide which may be composed of a second substantially flat light transmission means, and a light coupling portion for use as light coupling between said first and second transparent portions, which may have at least one optical prism. The first and second transparent portions which may be positioned substantially parallel each other form a first and second substantially linear cross sections of a substantially U-shaped configuration. The light coupling portion which is positioned near a bottom between said first and second transparent portions forms a substantially bent (or non-linear) cross section of the U-shaped configuration.

Abstract: A flat light source i.e. a surface light source and a passive display using the same are disclosed, capable of making optimal light leakage with uniform brightness across the entire area of its large flat surface. The flat light source comprises a first light transmission means for illumination with relatively high refractive index, a second light transmission means for bypass light guide including at least one light guide having relatively high refractive index and a light coupling means making light coupling between the both first and light transmission means for changing direction of light rays, wherein the light rays output from the second light transmission means are changed in direction in order to input into the first light transmission means.

Abstract: An add-on flip-up headlight winking system which controls the flip-up headlights of the vehicle to give the appearance that a headlight has winked. Moreover, the add-on flip-up headlight winking system may be provided with a optional headlight flasher module which causes the headlights to flash during the winking mode of operation.

Abstract: An illuminant warning arrangement includes a clothe body and a plurality of illuminating units provided on the clothe body. Each illuminating unit provides a transparent layer, a electric conducting board, a casing socket, a fastener, an LED, a battery box, and a manual switch. With the combination of the above elements, the illuminant warning arrangement can be assembled in matter of seconds. When the illuminant warning arrangement is in used, its displaying area is large enough to catch other drivers' attention from far away. When the illuminant warning arrangement is not in use, it can be folded into a compact package, so that it would not occupy unnecessary space in the trunk of the vehicle for easy storage.

Abstract: The present invention discloses an air duct for directing air onto an optical fiber bundle coupling. The air duct is used to siphon a portion of an air stream, which is used to cool an arc lamp, to the coupling end of the light guide bundle. After the air from the air duct cools the coupling of the light guide bundle, the air is routed back to provide additional cooling to the arc lamp.

Abstract: The invention is a surface light source device capable of effectively producing polarized illumination light. The output angle of a representative beam C3 representing P-polarized component of output light from an emission surface 5 of the light guide plate 1 is about 75.degree.. Where P-polarization component of representative beam C3 is 100 (reference value), and the S-polarized component is 42.2. Representative beam C3 enters from an air layer AR to a flat surface 24g of a prism sheet 24, and then goes into the inside of prism sheet 24. At this stage the P-polarization component is 89.3 whereas the S-polarization component is 25.5. Beam C3 is incident on a slant surface 24d from its inside at an angle proximating the normal, and propagates into air layer AR between prism sheets 24, 34. Beam C3 impinges on a flat surface 34g of a prism sheet 34 while its corresponding part passes through the inside of prism sheet 34. At this stage its P-polarization component is 83.9 and its S-polarization component is 22.

Abstract: Integrated fold-up reflector mounting brackets to mount a reflector to a lighting fixture or luminaire are fabricated as an integral part of the reflector during the production thereof without the use of additional material, components and operations. The top of the reflector is fabricated with a stamping operation to provide an opening therein to provide for the mounting of a lamp socket and to allow for the flow of ventilation air therethrough. First and second fold-up mounting brackets are stamped and fabricated as an integral part of the top of the reflector. Each of the first and second fold-up brackets comprises a plurality of contoured ribs, with at least one of the contoured ribs having a truncation therein defined along a fold line for the mounting bracket.

Abstract: The present invention discloses a lamphead having a multi-positional base and removably mountable reflector flashtube assembly. The lamphead base is configured to detachably mount to a flashtube assembly such that the flashtube assembly may be interchanged with a second flashtube assembly. The flashtube assembly defines an opening and an inner chamber having a reflective surface. A flashtube is mounted within the inner chamber between the reflective surface and the opening, wherein the reflective surface extends behind the flashtube, thereby increasing the intensity of the light emitted thereby. The lamphead base may be adapted for pivotable mounting on a stand to a full vertical position without interfering with the stand.

Abstract: In a surface light source device of side light type applied to a liquid crystal display device, etc., more specifically a surface light source device of side light type having a directivity emitting characteristic, a bright-and-dark-band contrast which is generated in a vicinity of an incidence surface is prevented. In a surface light source device of side light type, light diffusible areas composed on main-and-supplementary diffusible areas are formed on a slanted surface and an emitting surface of a light guide plate having a directivity emitting characteristic. A silver sheet is fixed to a projected portion of a prism sheet along an upper edge, and an illumination light which arrives at the upper edge from a fluorescent lamp is blocked so that the strong brightening of the upper edge is prevented. An illumination light form a lower edge is blocked by a reflector or a frame and reflected diffusively. The light diffusible area may be formed on one of the slanted surface and the emitting surface.

Abstract: A book light having a pair of arms or a "U" bracket pivotally attached to a head at one end and a body at the other end. In the case of the "U" bracket, the head is attached by a ball joint and has infinite ranges of motion. The body has a clip for attachment to a book or a bed frame, an on/off switch, a plug for receiving an AC adapter, and a battery compartment. The head has a light assembly and a fluorescent light bulb for illuminating a book. A wire or conductive strip running along, and guided by wire guides, each of the arms provides an electrical connection between the light assembly and the source of power. The pivoting of the head and the body allow them to be pivoted for storage in the space between the arms or so that the book light be used as a free-standing desk lamp. Optionally, the two arms or the "U" bracket may be connected to a pivot arm which swivels about the body to increase the degrees of freedom and the flexibility of the light.

Abstract: A multifunctional bicycle lamp includes a press-button switch installed on a bicycle lamp body the switch being in connection with a control circuit in the bicycle lamp body. The control circuit primarily includes a microprocessor which is respectively in connection with a lamp bulb and a plurality of light emitting diodes. By controlling the press-button switch, the lamp bulb produces an illumination effect of a high-beam light or a low-beam light, and the light emitting diodes serve as hazard lights or power indication lights for a multifunction purpose through the microprocessor.

Abstract: An illuminating balloon with an inflatable envelope and a control unit integrated in the envelope includes an electropneumatic blowing device having an intake orifice to suck air in from the outside, and a discharge orifice to send the air into the internal space of the balloon, an electronic circuit for power supply of the electropneumatic device and of the bulb, and a cover for support of the bulb and of a protective grid preventing the envelope from coming into contact with the bulb, said grid being extended up to near the top of the envelope from coming into contact with the bulb, said grid being extended up to near the top of the envelope to give the balloon rigidity.

Abstract: A vehicle headlamp comprises: a discharge bulb; and a reflector having a reflecting surface including a plurality of reflecting surface elements to reflect the output light of the discharge bulb forwardly, wherein an sub light distribution pattern having an oblique cut line and a horizontal cut light is formed by controlling light reflected from the reflecting surface elements. Of the plurality of reflecting surface elements, oblique cut line forming reflecting surface elements, and horizontal cut line forming reflecting surface elements extend above the lines of intersection between the reflecting surface and an inclined surface which passes through the optical axis of the reflector and has an angle of elevation of 15.degree..

Abstract: An adjustable, self-illuminating, writing instrument is provided having a main shaft terminating at one end in a pen and at the other end with a flexible shaft supporting a directable illumination source. An on/off switch is provided which also serves as a diameter adjustment mechanism for the beam created by the illumination source.

Abstract: A wide area lamp for use in hazardous locations includes a metal halide lamp excited by a ballast. The lamp is mounted within an explosion-proof transparent globe and metal lamp guard secured to a metal vault. The vault is divided into two compartments. One compartment houses a ballast for the lamp. That compartment is filled with a potting compound to eliminate any arcing in the high voltage excitation circuit. The other compartment is enclosed, but accessible for making necessary electrical connectors to a power feed cord.

Abstract: A portable or stationary light shaping system which can shape a variety of light sources via a series of selectable & moving output specific light shaping optical elements which produces a controlled and precise composite illumination of optical outputs.

Abstract: A light emitting element module is provided including a board and plural chips arranged in the form of an array on the board. Each chip includes at least one light emitting element having a light emitting function and/or a photosensing function. The chips are arranged on the board so that the upper surfaces of adjacent chips which are located opposite to the board are positionally displaced in the height direction of the chips by at least the distance corresponding to the thickness of the chips. This uneven chip arrangement in the height direction may be established by alternately arranging thicker chips and thinner chips on the board.