Abstract: Apparatus for curing a substance. The apparatus includes a diode for emitting electromagnetic energy at a frequency selected to cure the substance and a culminator positioned to receive at least a portion of the electromagnet energy emitted by the diode. The culminator is selected to concentrate and intensify the received energy and to direct the energy toward an area of the substance. The area has a length and a width less than the length.

Abstract: An integrated device enables a customer replaceable unit within an ink jet printer to be enclosed within an enclosing structure as the unit is removed from the printer. The enclosing structure traps debris that may disburse from the customer replaceable unit as it is removed from the printer.

Abstract: A method of generating a high precision optical surface profile includes obtaining a high precision optical surface profile which contains information of the optical path difference map of the profile. A substrate material has a known index of refraction, Ns, while a cover material has an index Nc that is more closely matched to the index Ns of the substrate material than the index of air Nair to Ns. An exaggerated surface profile is cut that is proportionally expanded from the high precision profile by a factor: (Ns?Nair) divided by (Ns?Nc). The cut surface profile is covered with the cover material.

Abstract: A subject matter is to provide an efficient method for designing a progressive refraction lens in consideration of not only its optical performance but also its appearance performance. The method for designing the progressive refraction lens includes a step (S030) for determining addition power of an entire lens that is a summation of addition power of a front surface and that of a back surface and a step (S040) for determining the addition power of the front surface. The method for designing the progressive refraction lens is characterized in determining to make the addition power of the front surface not less than 0 but smaller than that of the entire lens in the case that the appearance performance is considered to be more important than the optical performance while determining to make the addition power of the front surface larger than that of the entire lens in the case that the optical performance is considered to be more important than the appearance performance.

Abstract: Solid state lenses, lens blanks, and lens components formed of compressible mixed powders of two or more optical substances where the mixing ratio has been deliberately varied from place to place within the volume of the optical component to produce optically useful variations in the local refractive. The compressible mixed powders are ground as fine powders having mechanical properties that make them capable of being formed into cohesive monolithic masses that are low in scattering. The fine powders may be admixtures of host matrix materials and others which, when combined, provide preferred optical properties such as index and dispersion. Parts possessing transmission from within the range from the ultraviolet to the infrared are possible. The materials are suited to low temperature formation of aspheric lenses transmissive in the near and far IR.

Abstract: An eyeglass frame sizing system includes a frame member, a pair of adjustable rims supported by the frame member, each rim including an indicator for indicating a center of the rim, an adjustable nosepiece supported by the frame member, a pair of adjustable temples each supported by one of the pair of rims and a plurality of sensors for detecting positions of the pair of adjustable rims, the pair of adjustable temples and the adjustable nosepiece.

Abstract: An ophthalmologic imager comprises an illuminating optical system for projecting an illuminating light beam onto an ocular fundus, a light-receiving optical system having a focusing lens and serving to guiding the light reflected from the ocular fundus to an imaging section, and a focusing target projecting optical system having a bar mirror detachably inserted in the optical path of the illuminating optical system and serving to project split focusing target light beams onto the ocular fundus through the bar mirror and the illuminating optical system. A mirror image of the bar mirror is projected onto the ocular fundus by using the illuminating light beam. The ophthalmologic imager further comprises a judging device which judges the sharpness of the contour of the mirror image or the focusing target light imagers from the output of the light-receiving section and judges the focusing state by the focusing lens from the sharpness.

Abstract: An opthalmologic device and an opthalmologic measuring method in accordance with an embodiment of the present application in which, cross-sectional images of cross-sectional portions illuminated from different instrument positions by a light projector are captured in Scheimpflug configuration. Furthermore, corresponding top view images are also captured from the different instrument positions. At least one reference section and at least one comparative section are extracted from an initial instrument position or from an advanced instrument position, respectively. The displacement between the reference section and the comparative section is determined and the cross-sectional images are positioned relative to one another, based on the displacement. A coherent examination of the entire eye is made possible in which the relative movements of the eye with respect to the device, particularly rotational movements, are taken into consideration.

Abstract: A scanning ophthalmoscope (10) and method is provided for scanning the retina of an eye comprising a source of collimated light (12), a first scanning element (14), a second scanning element (16), scan compensation means (18), wherein the source of collimated light, the first and second scanning elements and the scan compensation means combine to provide a two-dimensional collimated light scan from an apparent point source, and the scanning ophthalmoscope further comprises scan transfer means (20), wherein the scan transfer means has two foci and the apparent point source is provided at a first focus of the scan transfer means and an eye (22) is accommodated at a second focus of the scan transfer means.

Abstract: A telecentric lens optical system includes: a front lens group; a rear lens group having a front focal point coinciding with a rear focal point of the front lens unit; and diaphragm mechanisms, each of which is disposed at a position where the rear focal point of the front lens unit and the front focal point of the rear lens unit coincide with each other. One of the front lens group and the rear lens group is provided by a plurality of variable magnification lens groups. The diaphragm mechanisms are provided corresponding to the variable magnification lens groups, respectively. A magnification switching mechanism is provided to selectively move a pair of one of the variable lens groups and one of the corresponding diaphragm mechanisms to be disposed on an optical axis of the other of the front lens group and the rear lens group.

Abstract: Generally, the present invention relates to medical devices and a method of vision screening, and more particularly to a pediatric vision screening system and method thereof that identifies a risk factor for amblyopia or diagnoses amblyopia by measurement of microstrabismus. An embodiment of the invention is directed to a method of patient screening for risk factors for amblyopia which includes the steps of illuminating the eye with polarized light, scanning the polarized light about the eye, capturing the retro-reflected light emanating back from the eye, analyzing the retro-reflected light to determine ocular misalignment; and calculating a metric to determine if the patient passes or fails the screening test thereby providing an indication that the patient may have a risk of amblyopia based on either strabismus or anisometropia. The method is effective at detecting amblyopia related to focusing problems without the measuring the focus of the eye directly.

Abstract: Methods and devices measure eye blinks and tear film lipid and aqueous layer thickness before and following ophthalmic formula application onto the ocular surface, especially wherein the ophthalmic formula is an artificial tear. The methods and devices are suitable for dry eye diagnosis. The methods and devices are suitable for use to evaluate ophthalmic formula effects on the tear film and to use such information to diagnose ophthalmic formula treatment of ocular disease conditions such as dry eye in the absence of contact lens wear or post-surgical eye drop treatment and diagnosis. The methods and devices are also suitable for use in the optimization of ophthalmic drug dosage forms and sustained drug release.

Abstract: An apparatus and an associated method for displaying 3D images includes a screen and a screen illuminating system. The screen has diffusion characteristics for direction selectively forwarding light. The screen illuminating system includes modules for generating light beams incident on points of the screen. The apparatus is configured to impart an exit divergence to the exiting light beams being transmitted through or reflected from the screen. Each module provides one beam in one direction with a convergent section. The beams are focused on the screen where the convergence (?c) of an incident light beam is not greater than the exit divergence (?x) of an exiting light beam.

Abstract: Spectral separation filters for channels of a 3D image projection incorporate passbands of primary colors. In at least one of the filters, passbands are present in more than 3 primary colors. A set of two filters include a first filter having passbands of low blue, high blue, low green, high green, and red, and a second filter having passbands of blue, green, and red. The additional primary passbands of the first filter allow for an increased color space in projections through the filters compared to filters only having red, green, and blue primaries. The added flexibility of the increased color space is utilized to more closely match a color space and white point of a projector in which the filters are used.

Abstract: A multiple path stereoscopic projection system is disclosed. The system comprises a polarizing splitting element configured to receive image light energy and split the image light energy received into a primary path and a secondary path, a reflector in the secondary path, and a polarization modulator or polarization modulator arrangement positioned in the primary path and configured to modulate the primary path of light energy. A polarization modulator may be included within the secondary path, a retarder may be used, and optional devices that may be successfully employed in the system include elements to substantially optically superimpose light energy transmission between paths and cleanup polarizers. The projection system can enhance the brightness of stereoscopic images perceived by a viewer. Static polarizer dual projection implementations free of polarization modulators are also provided.

Abstract: A digital image projector includes a light assembly configured to project light along a light path from at least one laser array light source, the projected light having an overlapping far field illumination in a far field illumination portion of the light path; a temporally varying optical phase shifting device configured to be in the light path; an optical integrator configured to be in the light path; a spatial light modulator located downstream of the temporally varying optical phase shifting device and the optical integrator in the light path, the spatial light modulator configured to be located in the far field illumination portion of the light path; and projection optics located downstream of the spatial light modulator in the light path, the projection optics configured to direct substantially speckle free light from the spatial light modulator toward a display surface.

Abstract: A projection type display apparatus includes: a rotary color filter 8 having color filters 8R, 8G and 8B that transmit particular colors of light of white light emitted from a light-emitting surface 6; a spatial light modulator 11 that is disposed so as to be in substantially a conjugate relationship with the light-emitting surface, and modulates incident light from the rotary color filter, so as to display an image; and a control device 20 that controls rotation of the rotary color filter so as to be in synchronization with the image display by the spatial light modulator. With respect to partial display regions 14, 15, 16, . . . of the spatial light modulator that correspond respectively to partial light-emitting regions 6a, 6b, 6c, . . . defined by dividing the light-emitting surface, the control device switches each of the partial display regions 14, 15, 16, . . .

Abstract: A projector including a lighting device for emitting light including first, second and third colored light beams. A first dichroic mirror separates the light into the first colored light beam by reflecting the light in a certain wavelength range and transmitting the light in another wavelength range and transmitting the light in another wavelength range. A second dichroic mirror separates the other colored light beams into the second and third colored light beams by reflecting the light in a certain wavelength range and transmitting the light in another wavelength range. The second dichroic mirror separates the light from the lighting device into the colored light beams. The projector including a first color combining optical system for combining the colored light beams to emit a first image light beam.

Abstract: A projection image display device including a display plane for displaying an image, a projection mechanism projecting an image on the display plane, and an imaging mechanism arranged on the same side of the display plane as the projection mechanism for imaging the display plane. The imaging mechanism is arranged at a position where a position symmetric with respect to the display plane of the projection mechanism is out of the range of the field angle of the imaging mechanism. By arranging the imaging mechanism at a position where no direct reflecting light of the light source of the projection mechanism comes, it is possible to prevent generation of a hot spot.

Abstract: According to one embodiment, a projection display device comprises a light modulator configured to receive light from a light source and emit an optical image modulated based on an image signal, a projector configured to project the optical image emitted from the light modulator onto a screen, and a correction unit configured to correct a distortion of the optical image which is projected onto the screen with an optical axis of the projector being not perpendicular to the screen, wherein the correction unit corrects the optical image which is projected onto the screen so that a shape of the optical image becomes a rectangle and any one of boundary sides of a rectangular optical image is aligned with a long boundary side of a trapezoidal projectable area of the projector.

Abstract: The invention has an object of providing a display device, which can freely change a display position or a display area, and can display a high grade image, and a game machine, such as a slot machine etc., which includes the display device.

Abstract: When a position detector detects that the position of a spot on a projection plane designates a non-projection region, the level of a driving signal of a laser is corrected. Specifically, the correlation between the quantity of laser light detected by a light-receiving portion and the level of the driving signal of the laser in accordance with prescribed data is detected. Then, the characteristic value of the laser indicated by the detected correlation is compared with the characteristic value at room temperature stored beforehand to indicate the correlation between the quantity of light emitted by the laser at room temperature and the level of the driving signal. Then, based on the comparison result, the level of the driving signal of the laser in accordance with image data is corrected.

Abstract: A projector which is configured to project an image by means of a projection light onto a surface approximately parallel, or a surface approximately perpendicular, to an installation surface. According to aspects of the disclosure, the projector may include a first reflecting surface which reflects the projection light toward the approximately parallel surface; a second reflecting surface which reflects the projection light toward the approximately perpendicular surface; and a reflecting surface switching section which can switchably place the first reflecting surface and the second reflecting surface in an optical path of the projection light.

Abstract: A digital micromirror projection display system is disclosed in which “off” pixel light is recaptured and recycled. In the disclosed system, a digital micromirror device directs incident light for “on” pixels in the image to be displayed through projection lenses to a projection screen. The digital micromirror device directs incident light for “off” pixels back toward the light source for recapture by a light integrator. Both the incident and projected light can pass through a rear group of projection lenses, with the first projection lens being disposed near the digital micromirror device. A mirror directs the incident light toward the digital micromirror device, and the “off” pixel light from the digital micromirror device toward the light integrator. As a result, “off” pixel light can be recycled without degrading image contrast, in a manner that can place fast projection lenses close to the digital micromirror device to save cost.

Abstract: A displaying method of a digital light processing (DLP) projector includes the steps of: providing a light modulation device including a driver printed circuit board and a digital micromirror device (DMD), wherein the DMD includes a plurality of micromirrors each having a first stable state and a second stable state, and a predetermined light incident direction, the DMD is installed on the driver printed circuit board; providing an illumination light beam being incident on the DMD along an operating direction different from the predetermined light incident direction, modulating the illumination light beam to an imaging light beam by the DMD and directing the imaging light beam to a projection lens for projecting an image. A DLP projector made thereby has a relatively lower manufacturing cost.

Abstract: Embodiments include a light engine to generate pixels and a number of lenses positioned to receive pixels from the light engine and to project the pixels on to a field with a higher angular pixel density at an edge of the field than at a center of the field. A method according to embodiments includes generating pixels in a light engine, receiving the pixels from the light engine in a plurality of lenses, and projecting the pixels through the plurality of lenses on to a field with a higher angular pixel density at an edge of the field than at a center of the field.

Abstract: A guiding-substrate display may include an angle-mapped display engine to generate a modulated photonic output having angle-mapped rays responsive to an electrical signal without the use of an ocular lens. An input optical element receives the modulated photonic output of the angle-mapped display engine and cooperates with the angle-mapped display engine to launch modulated photonic output having selected polarization. An image relay slab receives the modulated photonic output from the input optical element and guides the modulated photonic output from a proximal to a distal location. An output optical element to receives the modulated photonic output from the image relay slab and launches the modulated photonic output having angle-mapped rays toward a viewing region.

Abstract: A mirror assembly for trucks, vans and the like, for providing front or rear viewing as the vehicle is moving forward or is backing up, for example, into a truck loading dock area. The mirror assembly comprises a mirror unit that is connected by a mirror arm to a support structure, e.g., a flange or bracket, that is fixed to the vehicle. The support structure projects minimally sideways of the vehicle and pivotably supports the mirror arm in a manner whereby the mirror unit and its arm can swing about a pivot axis, enabling the mirror and its arm to lie alongside a side wall of the vehicle or tightly against the rear of the vehicle. A return or rebound mechanism returns the mirror unit to its normal operational position automatically, once contact with an obstruction that has pivoted the mirror unit from its normal position, has been removed.

Abstract: An optical arrangement, in particular a projection system, illumination system or beam shaping system for EUV lithography, including at least one optical element that is arranged in a beam path of the optical arrangement and that reflects radiation in the soft X-ray- or EUV wavelength range, wherein at least during operation of the optical arrangement at least one of, preferably each of, the reflective optical elements in the beam path, at least at the optical surface, has an operating temperature of approximately 30° C. or more, preferably of approximately 100° C. or more, particularly preferably of approximately 150° C. or more, and even more preferably of approximately 250° C. or more, and wherein the optical design of the at least one reflective optical element is selected such that its optical characteristics are optimised for operation at the operating temperature. Also presented is a method for providing a reflective optical element with such an optical design.

Abstract: A portable electronic device having an illuminated keyboard includes a display having a recessed portion and a main body pivotally connected with the display. The main body includes a casing, a keyboard, a fastening element, and a plurality of light-emitting elements. The keyboard is disposed at the casing and includes a plurality of keys made of a first light-transmitting material. Each key has a light incident surface and a light output surface. The fastening element is fastened to the casing and has a first portion made of a second light-transmitting material. The fastening element corresponds to the recessed portion. The light-emitting elements are disposed in the fastening element. The light emitted by the light-emitting elements passes through the first portion of the fastening element to directly enter into the key through the light incident surface and to be outputted from the key through the light output surface.

Abstract: A white light emitting device including: a blue light emitting diode chip having a dominant wavelength of 443 to 455 nm; a red phosphor disposed around the blue light emitting diode chip, the red phosphor excited by the blue light emitting diode chip to emit red light; and a green phosphor disposed around the blue light emitting diode chip, the green phosphor excited by the blue light emitting diode chip to emit green light, wherein the red light emitted from the red phosphor has a color coordinate falling within a space defined by four coordinate points (0.5448, 0.4544), (0.7079, 0.2920), (0.6427, 0.2905) and (0.4794, 0.4633) based on the CIE 1931 chromaticity diagram, and the green light emitted from the green phosphor has a color coordinate falling within a space defined by four coordinate points (0.1270, 0.8037), (0.4117, 0.5861), (0.4197, 0.5316) and (0.2555, 0.5030) based on the CIE 1931 color chromaticity diagram.

Abstract: A refrigerator which has a main body cabinet forming at least one storage chamber therein, the refrigerator includes: an illuminator provided in the storage chamber and illuminating an inside of the storage chamber; an input unit provided to set at least one of a color, a hue saturation and a brightness of the illuminator; and a controller storing a setting value set through the input unit and controlling the illuminator according to the setting value.

Abstract: An illuminable hand-signaling glove preferably includes a body adapted to be positioned at a hand region of the user. Such a body may include a glove. The body may further include a wrist band and a plurality of finger bands connected thereto. The device may further include a plurality of light-emitting sources displayed on an exterior surface of the body, and a mechanism may be included for selectively toggling independent ones of the light-emitting sources between illuminated and non-illuminated modes by selectively pivoting one metacarpal of the user hand region along a plurality of positions defined within the body while maintaining remaining metacarpals of the user hand region at a static position. Such a selectively toggling mechanism preferably includes a manually actuated user interface attached to the exterior surface of the body.

Abstract: A simple, low-cost wearable ornament system is disclosed that allows the user to easily interchange ornaments and may be used on wearable items such as garments, footwear, belts, hats, helmets, purses, backpacks, tote bags, scarves and other items. The system generally comprises a reinforced opening, grommet or eyelet in the garment, headwear or other item, an extended base, a screw cap, bottom housing and a decorative item or ornament member. A user desiring to change the design on the ornament system can easily interchange an existing ornament member with a new ornament member without damaging the wearable item and, if desired, without having to remove the garment or other wearable item.

Abstract: A system and method for creating a trompe l'oeil skylight in a T-bar type hung ceiling system where a translucent panel with an image of a sky scene is elevated above a T-bar grid, by a frame, so as to eliminate shadows of the T-bar on the image panel and so as to simulate a casement-type skylight.

Abstract: A lighting device in the form of a handheld flashlight is provided that includes a plurality of light sources. The lighting device also has a tail cap that engages the main body by way of a cam lock wheel to provide a closure to the battery compartment. A ribbon having four traces couples a bottom switch and negative contacts to control circuitry. The lighting device further includes multiple modes of operation having a plurality of switches that provide control in various lighting modes. The lighting device is configured to be powered by one number of batteries supplying a first voltage output and is configured to be powered by a second different number of batteries supplying a second different voltage output, and the batteries are installed in battery compartments.

Abstract: A backlight module including a first side frame, a plurality of first elastic holding elements, a second side frame, a plurality of second elastic holding elements, and a plurality of lamps is provided. The first side frame has a plurality of first containing grooves, and the first elastic holding elements are disposed in the first containing grooves respectively. In addition, the second side frame has a plurality of second containing grooves, and the second elastic holding elements are disposed in the second containing grooves respectively. The lamps are connected between the first side frame and the second side frame. Two ends of the lamps are fixed through the first elastic holding elements and the second elastic holding elements.

Abstract: A lamp includes a tube-shaped lamp shade with a space, a first light-emitting diode (LED) light source, a first diffuser, a second LED light source, a second diffuser, and two covers. A spacer extending along the direction of the length of the tube-shaped lamp shade is disposed in the space. The spacer has a first surface and a second surface, and the tube-shaped lamp shade has a first slot and a second slot. The first LED light source is disposed on the first surface. The first diffuser is disposed in the first slot, and a first hole is formed at the first diffuser. The second LED light source is disposed on the second surface. The second diffuser is disposed in the second slot. The two covers are disposed at two ends of the tube-shaped lamp shade respectively, and each cover has a second hole.

Abstract: Methods and apparatus for generating and modulating white light illumination conditions. Examples of applications in which such methods and apparatus may be implemented include retail environments (e.g., food, clothing, jewelry, paint, furniture, fabrics, etc.) or service environments (e.g., cosmetics, hair and beauty salons and spas, photography, etc.) where visible aspects of the products/services being offered are significant in attracting sales of the products/services. Other applications include theatre and cinema, medical and dental implementations, as well as vehicle-based (automotive) implementations. In another example, a personal grooming apparatus includes one or more light sources disposed in proximity to a mirror and configured to generate variable color light, including essentially white light, whose color temperature may be controlled by a user.

Abstract: Disclosed is a backlight panel employing a white light emitting diode. The white light emitting diode includes a blue light emitting diode chip and red and green phosphors positioned over the blue light emitting diode chip. Accordingly, since the backlighting can be performed using white light with distinct red, green and blue wavelengths, the color reproducibility can be enhanced. Further, since the white light can be implemented with a single light emitting diode, the manufacturing costs and thickness of the backlight panel can also be reduced.

Abstract: An optical system for an LED array includes a trough reflector in combination with an elongated lens. The reflector and lens include distinct regions dedicated to particular zones of light emanating from the LED array. The reflector includes lower, upper and end portions, each configured to redirect a particular zone of wide angle light from the LED array into a pre-determined warning light pattern. The lens includes central, side and end regions, each configured to redirect a particular zone of narrow angle light from the LED array into the pre-determined warning light pattern. The shape of the trough reflector and lens, as well as the relationship between the lens and reflector, are selected to provide an optical system with expanded illuminated surface area and a low profile.

Abstract: An illuminating device includes a plurality of light-emitting diodes, a plurality of first light-reflecting parts, and a plurality of second light-reflecting parts. Each of the plurality of first light-reflecting parts has a first light reflecting surface surrounding one of the light-emitting diodes. Each of the plurality of second light-reflecting parts has a second light reflecting surface surrounding one of the light-emitting diodes. The shape of the first light reflecting surface is different from that of the second light reflecting surface.

Abstract: A substrate structure includes a substrate, a plurality of point light sources, a first wall and a plurality of convex members. The point light sources are disposed on the substrate. The first wall is on a long side of the substrate and substantially perpendicular to the substrate. The convex members extend from the first wall along a direction that is substantially perpendicular to the substrate. The convex members keep away the point light sources from optical sheets when installing the substrate structure into a frame. Moreover, a side-entrance lighting structure is disclosed.

Abstract: A solid state lighting unit includes a plurality of solid state lighting tiles including a planar surface and a plurality of solid state light sources on the planar surface. The lighting unit includes a plurality of bar support members. Respective ones of the bar support members include at least two of the plurality of tiles affixed thereon to form respective bar assemblies, and respective ones of the solid state light sources on the solid state lighting tiles of a bar assembly are electrically connected in series so as to be simultaneously energized upon application of a voltage thereto. Methods of forming a solid state lighting unit are also disclosed.

Abstract: A mounting surface for mounting a plurality of LEDs has a plurality of orientable lenses each individually affixed about a single LED. Each orientable lens may have a primary reflector and a refracting lens that direct light emitted from a single LED to a reflective surface of the orientable lens that reflects the light off a primary LED light output axis.

Abstract: An LED lamp comprises a lamp housing, a heat sink made of metal and mounted at a bottom side of the lamp housing, a plurality of LED modules, and a vapor chamber having a bottom surface thereof attached to a top surface of the heat sink and having a top surface thereof to which the LED modules are attached, a working liquid is sealed in the vapor chamber. The vapor chamber defines a sealed chamber therein, and the working liquid is phase changeable liquid and is sealed in the sealed chamber. A plurality of ribs is arranged in the vapor chamber for strengthening an integrity of the vapor chamber, and the ribs divide the sealed chamber into a plurality of communicating spaces.

Abstract: A laterally emitting radiation-generating component comprising a radiation source, the optical axis of which runs perpendicular to a mounting area of the component, and comprising an optical device arranged downstream of the radiation source. The optical device includes a reflective surface shaped like a V in cross section and a refractive surface that is shaped convexly as seen externally and is arranged between the reflective surface and a bottom area facing the radiation source. The bottom area is arranged and formed in such a way that through it electromagnetic radiation from the radiation source couples into the optical device. The reflective surface is arranged and formed in such a way that a central first portion of the coupled-in radiation is deflected toward the refractive surface by the reflective surface.

Abstract: Lighting devices which comprise a connector portion, a light emitter, a casing and a heat transfer component. At least a first portion of the heat transfer component which is in contact with the casing is spaced farther from an axis of the connector portion than a second portion of the heat transfer component. Also, fixtures comprising a housing, a socket and at least one heat transfer component. Also, lighting assemblies comprising a housing, a socket, a heat transfer component and a lighting device which comprises a light emitter and a casing, respective portions of the heat transfer component being in contact with the casing and with the housing. Also, lighting devices comprising means for transferring heat, and methods of deploying lighting devices.

Abstract: A power LED lighting assembly includes power LEDs (each 1 watt, for example) mounted on a small circuit board of aluminum. To promote air ventilation, the LED circuit board is provided with air openings to communicate with the heat sink. A heat sink enclosure for accommodating the heat sink is also provided with air openings to communicate with the surrounding atmosphere. A micro fan is fixed above the heat sink for forced air ventilation. A temperature sensor is also installed to sense abnormal temperature increases in the assembly to adjust or reduce the volume of light and protect LEDs against abnormally high temperature. The micro fan is turned on for heat release automatically on a temperature increase.

Abstract: A lamp housing for a high-power LED street lamp has symmetrical rectangular planes formed at each side of a centerline of a back wall thereof. The included angle intersected with direction lines normal to the two outermost symmetrically rectangular planes is between 60˜140 degrees. The rectangular planes are adapted for containing high-power LED modules to emit light with various interlacing included angles and at interlacing locations.