Abstract: Interface apparatus and methods are provided. The interface can include a keyboard (200) containing one or more keys (210), each having a key base and a key top. A light guide (110) having an edge (125), a first surface (115) and a second surface (120) can be disposed proximate the base of all or a portion of the plurality of keys. The light guide can have a plurality of apertures (130) disposed therethrough, with each aperture corresponding to the location of each of the one or more keys. One or more dispersion features (135) can be disposed in, on, or about each of the one or more apertures to transmit at least a portion of the light from the light guide to the base of each key.

Abstract: A light-guide device has a single piece body including a plurality of light guiding elements joined together by at least one supporting element. An opaque coating is provided on an outer surface of the at least one supporting element, to absorb the light entering into the supporting element from the light-guide elements.

Abstract: A meter includes a liquid crystal display having a liquid crystal display surface and a case housing the liquid crystal display surface, an analog meter device including a dial portion having a plurality of translucent indicators, a light source configured to illuminate the dial portion from a back side of the dial portion, and an illumination light-passing section formed in a lateral edge portion of the case, configured to pass light from the light source toward the translucent indicator.

Abstract: A light guide comprising an external surface forming a guiding diopter, the guide being suitable for guiding light rays by reflection on the guiding diopter. The guide comprises at least one decoupling portion, with a refraction decoupling diopter arranged so as to refract light rays to decouple them from the guide, and thus transmit them out of the guide through the refraction decoupling diopter.

Abstract: A dual colored pointer arm for an instrument gauge constructed of a clear material and having a coated bi-color top surface.

Abstract: The present invention provides a transparent display which comprises a light source; a first liquid crystal layer, for transmitting a first part of the light emitted from the light source and reflecting a second part of the light emitted from the light source; a light-transmittable image display device including a second liquid crystal layer, wherein the first part of the light is emitted to the second liquid crystal layer, when the image display device is in a first state, the first part of the light is transmitted through the second liquid crystal layer, and the image display device displays an image; when the image display device is in a second state, the first part of the light is reflected by the second liquid crystal layer, and the image display device becomes transparent. The transparent display according to the present invention can realize the function of a transparent display without use of a sheet polarizer or a light guide plate.

Abstract: Systems, devices and methods for illuminating sites (e.g., surgical sites) are provided. An illumination device (e.g., a surgical site light) includes a body (e.g., a plastic body) with a cross-sectional shape similar to an inward-facing asymmetrical C, and wherein the body is shaped to be placed proximal to a site (e.g., surgical site) and emit light onto the site from a plurality of directions while inhibiting the light from radiating away from the outside of the body.

Abstract: There is described a food cooling appliance (1) having an outer casing (2) extending along a vertical reference axis (A); a food cooling chamber (3) housed inside the outer casing (2) and of a given length (L1) measured along the reference axis; at least one food-supporting shelf (5) positioned firmly, m but in easily removable manner, inside the cooling chamber; a primary inductor (8) extending in a direction parallel to the reference axis, and of a length (L2) substantially equal or less than the length of the cooling chamber; one or more light-emitting units (18) located along an outer peripheral edge of the shelf and coplanar with the shelf; and at least on secondary inductor (9) housed in the shelf to supply the light-emitting diodes (18) with electric current.

Abstract: The illumination device includes a light source unit having a plurality of LEDs arranged in a linear shape, a light-emergent face extending to one side from the vicinity of an area straightly under the light source unit, and a first reflective body extending to the same side to which the light-emergent face extends from the vicinity of an area straightly over the light source unit, wherein the first reflection body has a first reflection face configured to get close to the light-emergent face as the first reflective body extends from the vicinity of an area straightly over the light source unit, and the light source unit is provided such that an optical axis of the LED is inclined to the first reflective face side with respect to a direction parallel to the light-emergent face.

Abstract: A backlight unit according to embodiment comprise of a frame, a light emitting device module disposed on a side of the frame and a plurality of light guide members disposed in the direction of the light irradiated from the light emitting device, wherein the light guide members have light transmissivity and reflectivity different from each other.

Abstract: A vehicle interior assembly includes a light guide and a light source configured to illuminate the light guide. The vehicle interior assembly also includes an interior trim component at least partially disposed about a display. The interior trim component includes a light transmissive material configured to receive light from the light guide, and to emit light into a vehicle interior.

Abstract: A liquid crystal display is provided. The liquid crystal display includes a liquid crystal panel, a light guide plate disposed below the liquid crystal panel, and a light source unit which emits light to at least one side surface of the light guide plate. The light source unit includes light source elements which are disposed adjacent to the at least one side surface of the light guide plate, and which emit light that is incident on the at least one side surface of the light guide plate. A printed circuit board is disposed adjacent to a lower surface of the light guide plate and supports the light source elements.

Abstract: Provided are a backlight unit and a liquid crystal display apparatus including the same. The backlight unit comprises: a housing comprising an opening part; a module substrate in the opening part of the housing; a light emitting diode on the module substrate; and a reflection sheet in which the light emitting diode inserted thereto.

Abstract: A measuring instrument includes a light source, a dial plate with a scale design, and a light guide member. The light guide member includes a receiving portion for receiving the light from the light source, and a flat plate portion for irradiating the light transmitted from the receiving portion to the dial plate. The flat plane portion includes a thick wall section located close to the scale design, and a thin wall section extending from the thick wall section in a direction away from the light source. The thick wall section is thicker than the thick wall section. A boundary end face connected to a region of the thick wall section and a region of the thin wall section in the second face of the light guide member reflects the light transmitted in the light guide member from the light receiving portion to irradiate the image design.

Abstract: A light bar proximity switch is provided that includes a light pipe having a first surface and a second surface, wherein the first and second surface define an area. The light bar proximity sensor further includes an at least partially reflective surface adjacent the second surface, at least one circuit board spaced from the light pipe and the at least partially reflective surface, at least one proximity sensor electrically connected to the at least one circuit board, and at least one light source configured to project light along the area, wherein the emitted light is reflected by the at least partially reflective surface and viewed through the first surface.

Abstract: A light emitting device includes: a light emitting element; a substrate including a groove-like light guide extending along a first direction, emission light emitted from the light emitting element and introduced into the light guide being reflected by an inner wall surface of the light guide, spreading along the first direction, and being turned into upward light directed upward above the substrate; and a lens provided above the light guide and configured to collect the upward light and control light distribution characteristic in a plane generally perpendicular to the first direction.

Abstract: A liquid crystal display (LCD) and a back light module are provided. The back light module includes a light guide plate (LGP) and a plurality of light-emitting devices. The LGP has a plurality of partitioning grooves, a bottom surface, a light exiting surface, a first side and a second side. The bottom surface is opposite to the light exiting surface. The first side and the second side are located at the two opposite side surfaces of the LGP. The extension direction of each of the partitioning grooves extends from the first side towards the second side. Each of the partitioning grooves has an opening and the opening is located at the bottom surface. The plurality of light-emitting devices are disposed at least one of the first side and the second side. The liquid crystal panel of the LCD is disposed at the light exiting surface.

Abstract: Optical devices for guiding illumination are provided each having a body of optical material with staircase or acutely angled ramp structures on its top surface for distributing light inputted from one end of the device from the front exit faces of such structures along certain angular orientations, while at least a substantial portion of the light is totally internally reflected within the body until distributed from such front exit faces. Optical devices are also provided each have a body of optical material having a bottom surface with acutely angled ramp structures and falling structures which alternate with each other, such that light is totally internally reflected within the device until reflected by such ramp structures along the bottom surface to exit the top surface of the device or transmitted through the ramp structures to an adjacent falling structure back into the device.

Abstract: A light guide sheet is adapted to be used with a light emitter. The light guide sheet includes a light-transmissive base, a light inlet section having bonded to a lower surface of the base, and an illumination section for diffusing the light entering into the base. The light inlet section has an upper surface and an edge surface connected to the upper surface. The upper surface of the light inlet section is bonded to the lower surface of the base. Light emitted from the light emitter enters into the edge surface the light inlet section. The light inlet section causes the entering light to enter into the base. The light inlet section has a refractive index lower than a refractive index of the base. The light guide sheet provides a movable contact assembly capable of reliably illumination inexpensively.

Abstract: A multicolored linear light source is disclosed. In an embodiment the multicolored linear light source (100) comprises a linear light source (100) emanating light of a first spectrum, and regions of photoluminescent material (102,104,106). The light of the first spectrum interacts with regions of photoluminescent material (102,104,106) to give light of a different spectrum. The composition of different regions of photoluminescent material is different, providing light of different spectra in different regions.

Abstract: A light emitting assembly comprises a light source and a light emitting panel member having a panel surface and an input edge for receiving light from the light source. On or in the panel surface is a pattern of individual light extracting deformities. Each of the deformities has a well defined shape and a length and width substantially smaller than the length and width of the panel surface. At least some of the deformities have only two surfaces, each having opposite peripheral edge portions that intersect each other and intersect the panel surface. One of the surfaces of the deformities is substantially perpendicular to the panel surface and is curved in a transverse direction. The other surface of the deformities is a sloping surface.

Abstract: The invention provides backlight module comprising a light guiding plate, a flexible substrate, and a light emitting unit. The flexible substrate has a first surface, and the light emitting unit is configured on the first surface. A paint area used for reflecting the light, emitted by the light emitting unit, to the light guiding plate is formed on the first surface near the light emitting unit. Accordingly, the light emitted into the light guiding plate could be prevented from being reflected by the flexible substrate directly and presenting the same color with the flexible substrate.

Abstract: An electronic device includes a design panel 12 made of a resin and a light guide lens 16 that is attached to the design panel 12 so as to guide light from a light source to the outside. An insert hole 20 that is a through hole whose shape is commensurate with the light guide lens 16 is formed in the design panel 12. The light guide lens 16 is inserted into the insert hole 20 by elastically deforming a rim of the insert hole 20 when the light guide lens 16 is pushed into the insert hole 20, to thus be attached to the design panel 12. Auxiliary grooves 22 that promote elastic deformation are formed in a neighborhood of the rim of the insert hole 20.

Abstract: An apparatus for lighting display objects in a gaming machine is described herein. In one embodiment, a gaming machine includes a display object to be viewed and a light source to emit light. The gaming machine also includes a light-guiding panel. The light-guiding panel includes an edge to receive the light from the light source and a surface through which the light is reflected. In one embodiment, the surface includes a window through which the display object can be viewed. In one embodiment, the light is substantially uniformly reflected through all but the window of the surface.

Abstract: An improved housing for a computing device is disclosed. The improved housing is provided with one of an illuminable connector, a touch pad arrangement, and a palm rest stiffening plate. Normally, the illuminable connector and the touch pad arrangement are provided on external portions of a housing of the computing device such that they are available for user interaction. The palm rest stiffening plate is provided internal to a housing to provide stiffness or rigidity to a palm rest region of the housing.

Abstract: Display buttons and vehicle consoles include etched lenses operable to diffract light provided by a light source within a vehicle console such that the light emitted from the display button diverges from the first pathway within the button housing into a secondary pathway outside of the display button.

Abstract: A master/museum picture frame containing integral lighting and a light director (FIG. 1) in accordance with Snell's law of Total Internal Reflection and Refraction By a Prism. Said lights, wired in series with a resistance wire parallel to the filament on the lights dumet, in accordance with the Shunt Theory, such that if one light burns out the remainder remain lighted, to present the artwork in the most favorable manner for the longest period of time when viewed in a depreciating environment. The master/museum frame is interchangeable, both forward and backward, with the capability of being used as a lighted frame or an unlighted frame by substituting a spacer in place of the light director and vice versa as shown in FIG. 3 and FIG. 4.

Abstract: An indicating instrument, such as for an instrument cluster, may employ a dial with numerous lighted indicia and numerous lighted graduations, to individually demark the indicia. The indicia and graduations may be viewable on a first side of the dial, while on a second side of the dial, a frustum of a rectangular pyramid may be located immediately behind, relative to a viewer, each graduation. A light emitting diode may provide light into and through the protruding frustum, and a reflector case mounted to the dial may direct light from the light emitting diode into the frustum. Light directed into the frustum may pass through the frustum, through the graduation, and out of the graduation to the first side of the dial. Instead of a frustum, a recessed portion with four sloping and converging sides into the dial may be utilized to produce an illuminated graduation with a three-dimensional appearance.

Abstract: An input system comprises an optical device configured to transmit and receive one or more optical signals along a segment of fiber optic cable; an optical input device connected to the segment of fiber optic cable, the optical input including an input key configured to reflect a portion of an optical signal as a consequence of being actuated; and a signal decoder connected to the optical device, the signal decoder configured to select a first input code from a plurality of input codes, the first input code corresponding to the portion of the optical signal reflected by the input key.

Abstract: A light switch cover having a light switch identifier to identify light coupled to a particular light switch. To this end, the light switch identifier may be positioned adjacent the light switch and/or a designation (number, letter or both) may be established for the light switch identifier and the light switch. The light switch cover may include a small clear cover behind which a label is positioned which identifies the particular light (or other device) that the corresponding light switch is operable to control.

Abstract: An illuminating device, for illuminating display designed parts on a display panel, includes at least one light source arranged at a rear side of the display panel, and a light guide body having a light guide portion for guiding the light toward its outer-circumferential portion to output the light toward the display designed parts through a front surface of the light guide portion. The outer-circumferential portion has an outer-circumferential side wall surface at is outer end. The light guide portion has at least one projecting portion projecting from the outer-circumferential side wall surface. The projecting portion is provided with a reflecting side surface formed along the outer-circumferential side wall surface so that the reflecting side surface can reflect the light traveling in the light guide portion to be outputted through the front surface of the light guide portion.

Abstract: Disclosed is a meter illumination device which makes it possible to sufficiently illuminate the indicating sections of the indicating needle and the display panel.

Abstract: An image display apparatus includes a display for outputting an image, a supporting device supporting the display, the supporting device contacting directly on an installing surface and extending upward, the supporting device being provided with an inner hollow portion, and a light emission unit emitting light reflecting from the inner hollow portion.

Abstract: A device is disclosed having a keypad and an adjacent light guide with at least one light source. At least one reflector is provided, having at least an area thereof adjacent to the light source. At least a portion of the reflector is located either between the light source and the keypad or between the light guide and the keypad.

Abstract: A system for providing diffuse light to a dial plate of a meter is disclosed. The system includes a light-guide and a light source. The light from the light source enters the light-guide and exits the light-guide to illuminate a curved peripheral portion of a dial plate with a diffuse light.

Abstract: A backlight assembly includes a plurality of lamps, a receiving container, a diffuser plate and a plurality of holding members. The lamps generate a light. The receiving container receives the lamps. The receiving container includes a bottom portion and a side portion protruded from a side of the bottom portion. The diffuser plate is over the lamps to diffuse the light generated from the lamps. The holding members are engaged with the bottom portion. Each of the holding members has a lamp holding portion that holds one of the lamps. 10 The lamp holding portion has an opening for receiving the lamp. The opening is inclined by a first angle with respect to a normal line of the bottom portion. Therefore, the lamps are securely combined with the lamp holding portion, and the lamps are easily assembled to protect the lamps from an externally provided impact.

Abstract: Optical devices for guiding illumination are provided each having a body of optical material with staircase or acutely angled ramp structures on its top surface for distributing light inputted from one end of the device from the front exit faces of such structures along certain angular orientations, while at least a substantial portion of the light is totally internally reflected within the body until distributed from such front exit faces. Optical devices are also provided each have a body of optical material having a bottom surface with acutely angled ramp structures and falling structures which alternate with each other, such that light is totally internally reflected within the device until reflected by such ramp structures along the bottom surface to exit the top surface of the device or transmitted through the ramp structures to an adjacent falling structure back into the device.

Abstract: A surface light-emitting device includes a transparent plate having two main surfaces and a light source. The light source is arranged adjacent to a side of the transparent plate so that the light source radiates light to the inside of the transparent plate from the side of the transparent plate. One main surface of the transparent plate is formed with a plurality of cone-shaped dimples, which reflect radiated light toward the other main surface of the transparent plate. The surface light-emitting device may further include a black sheet arranged adjacent to one main surface of the transparent plate formed with the plurality of cone-shaped dimples. The surface light-emitting device can be used as a guide device for an input/output interface unit of an automated transaction apparatus.

Abstract: An instrument cluster for use in a passenger vehicle includes a translucent sheet. The sheet is located in front of at least one of an appliqué, a display face, and a pointer of the instrument cluster. Indicia are embedded in the translucent sheet. The indicia has a first visual state and a second visual state, the indicia being more noticeable in its second visual state than in its first visual state.

Abstract: A light pipe having substantially uniform brightness along a length thereof is disclosed. The light pipe includes a first end for receiving a plurality of light rays, a reflective portion for directing the received light rays in a pre-determined internal light pattern, wherein the reflective portion includes a plurality of reflective elements, and an emitting portion for emitting the light rays in a pre-determined light distribution pattern.

Abstract: A lumenaire for mixing and emitting light from multiple light sources which has at least one first light source of a particular type and at least one second light source of a differing type. There is an optical system which includes at least one individual light collecting optical element at least partially surrounding each light source. There is a substantially planar light guide that receives and transports the light from each of the individual optical elements and optically mixes and emanates the light from both types of light sources simultaneously, through a common surface of the planar light guide. The planar light guide is segmented and the segmented sections are angularly disposed, in section in relationship to each other and the individual optical elements project light into at least one of the segments.

Abstract: A method of manufacturing non-backlighted illuminating keypad includes preparing a transparent plastic thin plate; forming a plurality of keycaps on a surface the plastic thin plate; forming a light gathering layer on another surface of the plastic thin plate opposite to the keycaps; attaching the plastic thin plate onto an electronic ink layer; and attaching an first elastic layer on the electronic ink layer.

Abstract: An inverter cover shield device includes a receiving portion for receiving an inverter; a wire guiding portion for guiding at least one internal wire extending from the inverter, the wire guiding portion including a contact portion and a non contact portion, the contact portion supporting the at least one internal wire, and the contact portion being positioned between the non-contact portion and the receiving portion.

Abstract: An instrument includes a transparent dial and a light source. The transparent dial includes an indicia, a graduation, and first and second surfaces, wherein the first and second surfaces are parallel to each other, and wherein the second surface is closer than the first surface to a viewer of the instrument. The light source provides light through the transparent dial to project the indicia and the graduation to a location that is closer than the second surface to the viewer of the instrument.

Abstract: The present invention is to provide a lightweight indicator, which suppresses a backlash between a light guide portion and a light source, and a display apparatus including the indicator. The pointer includes a base portion disposed rearward of a display device and fixed to a rotation axle of a motor disposed rearward of the base portion, and extending radially from the rotation axle; a board fixed on a front face of the base portion; a light source mounted on a rear face of the board for radially outwardly emitting a light; and a light guide portion.

Abstract: A computing device is disclosed. The computing device includes a housing having an illuminable portion. The computing device also includes a light device disposed inside the housing. The light device is configured to illuminate the illuminable portion.

Abstract: An illuminated indicating device includes a dial plate, a pointer, a first light source, a light guide and a light filter. The first light source emits a beam of light and the light guide diverts the beam of light into a first light to the pointer and a second light to a front side of the dial plate. The light filter includes a first filtering portion and a second filtering portion. The first filtering portion is located in a path of the first light to allow a first color of light to pass through and the second filtering portion is located in a path of the second light to allow a second color of light to pass through.

Abstract: An illuminated instrument cluster utilizes a single light emitting diode to backlight the entire dial surface. The LED is aligned with a light guide then directs light into a cavity of a light housing. The cavity includes a surface that reflects light upwardly onto a back surface of the dial face to provide the desired illumination.

Abstract: A backlight unit for a display device includes a mold frame and a light guide panel. The mold frame includes a groove having at least one rounded corner. The light guide panel is on the mold frame and includes a light guide projection in the groove, having at least one rounded corner corresponding to the at least one rounded corner of the mold frame groove.

Abstract: The present invention relates, in one aspect to an image replication system comprising a light guide (2), a light source (8) arranged to direct emitted light into the first end (2a) of a light guide (2), a reflective spatial light modulator (6) and focussing means (16). In a preferred embodiment, the light guide (2) is in the form of an elongate glass rod having first and second parallel polygonal end faces (2a, 2b) which are parallel to the long axis of the rod, the rod having a uniform polygonal cross section along its length. The spatial light modulator (6) is optically coupled to the second end face (2b) of the light guide (2) and the focussing means (16) is arranged to receive light reflected back through the rod from the spatial light modulator (6), whereby to form multiple images of said spatial light modulator in an image plane (18).