Abstract: According to one embodiment, a light-emitting device includes a substrate, a light reflection layer, a plurality of light-emitting elements, and a sealing member. The substrate includes an insulating layer constituted of epoxy resin using an acid anhydride as a hardening agent or one of a polyimide resin, a polyethylene terephthalate resin, and a fluororesin. The light reflection layer is formed on the insulating layer. The light reflection layer includes a metallic light-reflecting surface higher in optical reflectance than the insulating layer. The light-emitting elements are mounted on the light-reflecting surface. The sealing member is constituted of a material having gas permeability and translucency, and is formed on the insulating layer to seal the light reflection layer and the light-emitting elements.

Abstract: A high pressure discharge lamp of the present invention is provided with a light-emitting bulb comprising a light-emitting part and sealing sections; metal foils embedded within the sealing sections; and a pair of electrodes having one end protruding into the light-emitting part and having the other end embedded in the corresponding sealing section and joined to the corresponding metal foil. An embedded length L (mm) of the electrodes that is defined by the length between a light-emitting part side end of the metal foil and the border section between the protruding section and the embedded section of the electrode, and the temperature T (° C.) at the joint region of the electrode and the metal foil are set to satisfy 1.8?2.8 and T?970.

Abstract: To provide a reflective frame for a light-emitting element, which can be preferably used for a light-emitting device having a metal member on which a light-emitting element is mounted, whereby the light extraction efficiency, the reliability and the productivity, etc. can be improved. A reflective frame for a light-emitting element, which is made of a sintered body comprising a glass material and a ceramic powder; and the sintered body is one fired at at most 900° C. and has a porosity of at most 15% and an average reflectance at a wave length of from 400 to 700 nm being at least 86% when the thickness is 1 mm.

Abstract: A luminaire includes a lamp holder, a first light-emitting module, a second light-emitting module, a light guide, and a lamp cover. The lamp holder has a top portion. The top portion includes a first upper face and a platform projecting upwardly from the first upper face. The platform has a second upper face at a top end thereof. The first light-emitting module is disposed on the first upper face and around the platform. The second light-emitting module is disposed on the second upper face. The light guide is disposed around the platform and on the first light-emitting module. The lamp cover is disposed on the lamp holder for covering the first light-emitting module, the second light-emitting module, and the light guide.

Abstract: An energy saving gas discharge lamp, and method of making same, is provided. The gas discharge lamp includes a light-transmissive envelope, and an electrode within the light-transmissive envelope to provide a discharge. A light scattering reflective layer is disposed on an inner surface of the light-transmissive envelope. A phosphor layer is coated on the light scattering reflective layer. A discharge-sustaining gaseous mixture is retained inside the light-transmissive envelope. The discharge-sustaining gaseous mixture includes more than 80% xenon, by volume, at a low pressure.

Abstract: An arrangement for heat dissipation for a heat generating electrical component (10) comprising a heat generating electrical component (10) arranged on the printed circuit board (20), in thermal contact with a thermally conductive layer (23) of the PCB. A thermally conductive mounting element (40) is attached to the thermally conductive layer (23) by means of soldering, and has a connecting portion (43) adapted to engage with a recess (31) in the heat sink (30); thereby enabling attachment of the printed circuit board (20) to the heat sink (30); wherein a thermal path is provided, from the heat generating electrical component (10), via the thermally conductive layer (23) and the mounting element (40), to the heat sink (30). By utilizing a thermally conductive mounting element, heat dissipation can be achieved with a PCB provided with a single thermally conductive layer, rather than the multi layer PCB required in prior art arrangements.

Abstract: A light source comprising a lucent waveguide of solid dielectric material having: an at least partially light transmitting Faraday cage surrounding the waveguide, a bulb cavity within the waveguide and the Faraday cage and an antenna re-entrant within the waveguide and the Faraday cage and a bulb having a microwave excitable fill, the bulb being received in the bulb cavity.

Abstract: An illumination device and a manufacture method thereof are provided. The illumination device includes a base, an illumination chip, and a sealant. The illumination chip is disposed on the base while the sealant covers the illumination chip. The sealant has an outer surface which includes an inner circular convex and an outer circular convex surrounding the inner circular convex. The inner circular convex encloses a space with a narrow bottom and a wide opening. The illumination chip is disposed within a projective area of the inner circular convex. A part of the light emitted from the illumination chip is directly reflected from the inner circular convex to the outer circular convex and directly leaves the sealant from the outer circular convex.

Abstract: A lamp 1 comprises an oscillator and amplifier source 2 of microwave energy, typically operating at 2.45 or 5.8 GHz or other frequencies within an ISM band. The source passes the microwaves via a matching circuit 3 to an antenna 4 extending into a re -entrant 5 in a lucent waveguide 6. This is of quartz and has a central cavity 7 accommodating a bulb 8. The bulb is a sealed tube 9 of quartz and contains a fill of noble gas and a microwave excitable material, which radiates visible light when excited by microwaves. The bulb has a stem 10 received in a stem bore 11 extending from the central cavity. The waveguide is transparent and light from the bulb can leave it in any direction, subject to any reflective surfaces. Microwaves cannot leave the waveguide, which is limited at its surfaces by a Faraday cage.

Abstract: A color filter preventing the occurrence of cross-talk between colors while improving light extraction efficiency, a method of manufacturing the color filter, and a light-emitting device are provided. The color filter includes: a plurality of color filter layers for a plurality of colors arranged on a substrate, a plurality of projections arranged in contact with the color filter layers, the projections of which parts on a side closer to the color filter layers are connected to one another; and a reflecting mirror film formed so as to be laid over a side surface of each of the plurality of projections.

Abstract: A light-emitting device capable of generating omnidirectional light utilizing a reflector is disclosed. The light-emitting device, in one aspect, includes a light emitting diode (“LED”) package, a light reflector, and a shell. The LED package, which is mounted on a plate, generates a forward light cone by converting electrical energy to optical energy. The light reflector can be formed with various different shapes that can be placed adjacent to the LED package. A function of the light reflector is to redistribute at least a portion of the forward light cone whereby the overall light illuminated by the light-emitting device complies with LM79 specifications. The shell is used to enclose the LED package and the light reflector and configured to illuminate light in omnidirectional radiation in response to the forward light cone.

Abstract: A light source unit includes: an arc tube having a light-emitting portion; a secondary reflector covering part of the periphery of the light-emitting portion and being provided with a secondary reflecting surface for reflecting light emitted from the light-emitting portion; a primary reflector having a primary reflecting surface for reflecting the light emitted from the light-emitting portion and the light reflected from the secondary reflector; a first electrode; and a second electrode; wherein the second electrode is arranged at a position which causes an ionic wind to be induced by applying a voltage between the second electrode and the first electrode and causes air between the secondary reflecting surface and the light-emitting portion to flow, and either one of the first electrode or the second electrode is arranged between the arc tube and the secondary reflector.

Abstract: Lighting apparatus and methods employing LED light sources are described. The LED light sources are integrated with other components in the form of a luminaire or other general purpose lighting structure. Some of the lighting structures are formed as Parabolic Aluminum Reflector (PAR) luminaires, allowing them to be inserted into conventional sockets. The lighting structures display beneficial operating characteristics, such as efficient operation, high thermal dissipation, high output, and good color mixing.

Abstract: A projector includes: a light emitting device; a light modulation device adapted to modulate a light beam emitted from the light emitting device; and a projection device adapted to project the image formed by the light modulation device, wherein the light emitting device includes a light emitting element formed of a super luminescent diode, and adapted to emit light, and a base supporting the light emitting element with first and second reflecting surfaces to reflect the light emitted from the light emitting element. The light emitting element emits the light from first and second end surfaces. Directions of first and second outgoing light respectively emitted from the first and second end surfaces are opposite to each other. Directions of the first and second reflected light respectively reflected by the first and second reflecting surfaces are the same as each other.

Abstract: A light emitting device that has excellent color rendering performance is provided. The light emitting device comprises, a light emitting element, a red phosphor formed from a nitride phosphor that emits light when excited by the light from the light emitting element, a green phosphor formed from a halosilicate that emits light when excited by the light from the light emitting element and a YAG phosphor emitting light when excited by the light from the light emitting element.

Abstract: A LED package for increasing illumination and spotlighting includes a base, a LED chip and an enclosure. The enclosure is made of an optically transparent silicone for increasing the illuminative range. In addition, a light-guide curved surface can be placed on the inner side of the enclosure for spotlighting the emitting light in a certain orientation.

Abstract: It is an object of the present invention to provide a light-emitting device in which, even when a material with high reflectivity such as aluminum is used for an electrode, a layer containing oxygen can be formed over the electrode without increasing contact resistance and a manufacturing method thereof. According to the present invention, a feature thereof is a light-emitting element having an electrode composed of a stacked structure where a conductive film having high reflectivity such as aluminum, silver, and an alloy containing aluminum or an alloy containing silver, and a conductive film composed of a refractory metal material is provided over the conductive film, or a light-emitting device having the light-emitting element.

Abstract: An LED lamp assembly with a central light guide supplying light to a primary reflector where the reflective surface has a circular cross section in the horizontal medial plane and has a parabolic cross section in the vertical plane medial plane and regular combinations of the two planar sections in rotating round the axis from the vertical to the horizontal.

Abstract: The high-pressure discharge lamp comprises an outer bulb having two tubular sections which are axially aligned, wherein a first section is arranged at the first end of the outer bulb and comprises a cylindrical zone having an outside diameter (d1), and wherein a second section having a diameter (d2) which is smaller than (d1) is attached thereto.

Abstract: A lamp cover containing phosphor for providing white light emission is disclosed. The lamp cover is comprised of a light-partial-reflective cap structure providing the outer surface of the lamp cover, wherein the light-partial-reflective cap structure is composed of a plurality of light transparent layers and a plurality of vacuum layers that are stacked in an alternating manner from outside to inside, a supporting transparent cap structure providing the inner surface of the lamp cover, and a phosphor mixed structure mechanically supported by the outer surface of the supporting transparent cap structure, wherein the outer surface of the phosphor mixed structure is adjacent to the most inner vacuum layer of the light-partial-reflective cap structure. Once the lamp cover is combined with a phosphor exciting light source, the light-partial-reflective cap structure partially prevents phosphor exciting light from escaping from the lamp cover by using Fresnel reflection.

Abstract: Provided is an organic light-emitting display device that can display a full color image by forming a simple structure of light-emitting layers and a method of manufacturing the same. The organic light-emitting display device includes a substrate; a first electrode layer formed on the substrate; a second electrode layer which is formed above the first electrode layer and faces the first electrode layer; and a light-emitting layer interposed between the first electrode layer and the second electrode layer, wherein the light-emitting layer comprises first and second light-emitting layers respectively corresponding to first and second pixels having different colors from each other, and the first light-emitting layer is commonly formed in the first and second pixels, and the second light-emitting layer is formed in the second pixel.

Abstract: Phosphor layer arrangement for use with light emitting diodes. In an aspect, a light emitting diode apparatus is provided that includes a least one light emitting diode, an encapsulation covering the at least one light emitting diode, a lens having a phosphor layer formed upon a bottom surface, the lens positioned to cover at least part of the encapsulation, and an air gap between the phosphor layer and the encapsulation. In an aspect, a light emitting diode lamp is provided that includes a package, a least one light emitting diode, an encapsulation covering the at least one light emitting diode, a lens having a phosphor layer formed upon a bottom surface, wherein the lens is positioned to cover at least part of the encapsulation, and an air gap between the phosphor layer and the encapsulation.

Abstract: A lamp for internal lighting of an electric household appliance includes an LED, a printed circuit for supporting and powering the LED, and a supporting body made of an electrically non-conductive material and provided, at a first end thereof, with a reflecting/diffusing element for light emitted from the LED. The LED is carried on a flat face of the printed circuit, at a first end of the printed circuit. The supporting body has a tubular shape and the printed circuit being supported inside the supporting body, with the flat face arranged substantially coplanar with an optical axis of the reflecting/diffusing element and the first end of the printed circuit overhangingly protruding from the first end of the supporting body, so that the reflecting/diffusing element collects at least a part of the light emitted from the LED. The printed circuit extends over an entire length of the supporting body.

Abstract: A light source device having a large cooling action on the base member of a discharge lamp. A connector on the sides of the power supply and the air blower and the base-side connector of a discharge lamp are connected to each other through a connection cable having a power cable in which an air blow pipe is contained. An electric power is supplied from the power supply to a base part through the power cable of the connection cable, the base-side connector and a flow passage bending member. The cool air from the air blower is supplied to the groove part of the base part through the air blow pipe of the connection cable, the base-side connector and an air blow passage in the flow passage-bending member.

Abstract: A lamp including a plurality of light emitting devices and heat sinks can be configured to dissipate heat generated by the plurality of light emitting devices. The heat sinks can be branched into a generally Y-shaped configuration as viewed in a section that includes a primary optical axis of the vehicle lamp. One of the light emitting devices is connected to one of the branched parts of the heat sinks. Another light emitting device is connected to the other branched part of the heat sinks.

Abstract: In various embodiments, a lamp may include at least one light source; and at least one reflector means for reflecting light that has been emitted by the at least one light source, it being possible for the at least one reflector means to have a radial asymmetric form about a longitudinal axis of the lamp.

Abstract: A high illumination LED bulb includes a transparent lamp holder and a transparent reflective envelope having an inner face coated with a reflective membrane having light transmittance characteristic. A chamber is defined between the transparent lamp holder and the transparent reflective envelope and receives an actuator, a radiator and a light emitting module electrically connected to the actuator. The light emitting module includes a substrate disposed on the radiator and at least one LED disposed on the substrate. Light radiated from the LED is transmitted to produce superior projection beam by the transparent reflective envelope and reflected to produce inferior projection beam by the reflective membrane. Reflected halo formed by projection of the superior projection beam and the inferior projection beam on the transparent lamp holder and the transparent reflective envelope can form side projected halo, thereby radiating light with a full emission angle.

Abstract: The present invention is to provide an organic light emitting display and a method of manufacturing the same, the light emitting display including: a first substrate on which a plurality of light emitting devices are formed; a second substrate disposed to face the first substrate; a dam member disposed between the first substrate and the second substrate to surround the plurality of light emitting devices; an inorganic sealing material disposed between the first substrate and the second substrate on an outward side of the dam member and attaching the first substrate and the second substrate; and a filling material provided between the first substrate and the second substrate on an inward side of the dam member and formed of at least one inert liquid selected from the group consisting of perfluorocarbon and fluorinert.

Abstract: A module is provided for irradiation of at least one substrate. The module includes an irradiation unit for irradiating the substrate with ultraviolet light, wherein the irradiation unit has a discharge lamp with an integrated reflector. A method is also provided for producing an irradiation module for irradiating a substrate using UV light, wherein the reflector is coated on the discharge lamp.

Abstract: The light emitting device according to the present invention includes: a substrate (11); a light emitting layer (13) provided on the substrate (11); and a reflective layer (12) provided between the substrate (11) and the light emitting layer (13). The reflective layer (12) includes plate-like inorganic oxide particles. The inorganic oxide particles are accumulated on the substrate (11) in such a way that the largest face of each of the inorganic oxide particles is oriented substantially parallel to the principal plane of the substrate (11).

Abstract: The embodiments of a light-emitting-diode-based (LED-based) light bulb and an LED assembly described provide mechanisms of reflecting generated by LED emitters toward the back of the LED-based light bulb. An upper substrate and a lower substrate are used to support upper and lower LED emitters. A slanted and reflective surface between the upper substrate and the lower substrate reflects light generated by the lower LED emitters toward the backside of the LED-based light bulb.

Abstract: A light-emitting module may be configured to have improved light emission efficiency and light distribution characteristics. A light-emitting module may include a substrate having a front surface side as a component mounting surface and a rear surface side as a flat heat dissipating surface, a plurality of light-emitting elements arranged in a manner protruding at a central portion of the component mounting surface of the substrate. The light-emitting elements may radiate light at least in an upper surface direction and in a direction along the component mounting surface. The module may further include one or more lighting circuit components electrically connected to the light emitting elements by a wiring pattern arranged on the substrate and which is arranged closer to the peripheral edge side of the substrate than the light emitting elements on the component mounting surface of the substrate, and a connector for power supply connection.

Abstract: A high illumination LED bulb includes a transparent lamp holder and a transparent reflective envelope having an inner face coated with a reflective membrane having light transmittance characteristic. A chamber is defined between the transparent lamp holder and the transparent reflective envelope and receives an actuator, a radiator and a light emitting module electrically connected to the actuator. The light emitting module includes a substrate disposed on the radiator and at least one LED disposed on the substrate. Light radiated from the LED is transmitted to produce superior projection beam by the transparent reflective envelope and reflected to produce inferior projection beam by the reflective membrane. Reflected halo formed by projection of the superior projection beam and the inferior projection beam on the transparent lamp holder and the transparent reflective envelope can form side projected halo, thereby radiating light with a full emission angle.

Abstract: A lamp (10) has a light source (12) with a distal portion (14) and a proximal portion (16), the proximal portion (16) comprising a press seal (17) having a given cross-section. A lamp envelope (18) receives the light source (12), the envelope (18) being arrayed about a longitudinal axis (20) and having a base (22) generally orthogonal to the longitudinal axis (20). A clip-receiving aperture (24) is formed in the base (22), and at least one clip locator surface (26, 52, 54) is formed in the base (22) adjacent the clip-receiving aperture (24). A clip (28) is positioned in the clip-receiving aperture (24), the clip having a passage (29) shaped and formed to receive the press seal (17) of the light source (12) therein. The clip (28) has at least one first retainer (32) and at least one second retainer (33), the at least one first retainer (32) being shaped and formed to engage the at least one clip locator surface (26, 52, 54), whereby the clip (28) is located within the clip-receiving aperture (24).

Abstract: A discharge tube includes a reflective film formed on an outer periphery of a cylindrical glass bulb by metal deposition. The reflective film is deposited in a range of 240° or more in the circumferential direction, and the range being larger in a center part than at each end in the axial direction. A stroboscopic device is equipped with this discharge tube.

Abstract: A high-pressure discharge lamp comprising an arc tube, the arc tube including: a light-emitting part which is substantially ellipsoidal; and sealing parts which extend from either end of the light-emitting part and in which bases of electrodes are sealed, the arc tube enclosing 0.2 mg/mm3 to 0.4 mg/mm3 of mercury, the high-pressure discharge lamp having a power rating greater than 355 W and not greater than 600 W, wherein 5.4?D?5.8 and 3.1?x?D?2.3 when 355?P?380, 5.8?D?6.2 and 3.1?x?D?2.7 when 380?P?450, and 6.2?D?6.6 and 3.1?x?D?3.3 when 450?P?600, where P denotes the power rating in watts of the high-pressure discharge lamp, D denotes an inside diameter in millimeters of the light-emitting part 104 with reference to a midpoint between the electrodes 101, and X denotes a wall thickness in millimeters of the light-emitting part 104 with reference to the midpoint between the electrodes 101.

Abstract: In various embodiments, an electric lamp with an outer bulb and with a base fastened by means of a plate-like stand and a built-in lamp with a longitudinal axis, the outer bulb surrounding the built-in lamp, which is equipped with pinch seal with two narrow and two broad sides, two outer power supply lines protruding out of pinch seal being electrically conductively connected to feedlines leading to the base, built-in lamp being held without cement by a holding clip, wherein the holding clip has at least one clip part, including a basic body bent in the form of a U, two spring tongues being arranged on the basic body such that they embrace the broad sides of the pinch seal, a docking station for a feedline attached to the basic body, and contact being made between the basic body and an outer power supply line.

Abstract: The present invention aims to provide a metal vapor discharge lamp that has an outer tube less likely to break, and that is obtained at low manufacturing cost. A metal vapor discharge lamp 10 comprises: an outer tube 300 having an open end portion 301 at one end and a closed end portion 302 at another end; an inner tube 200 housed in the outer tube 300; a discharge tube 100 housed in the inner tube 200; and a base 400 attached to the open end portion 301 of the outer tube 300, wherein relationships of t?1.1×d?0.4; 0<d; and 0.3?t are satisfied, where t denotes a minimum thickness, in millimeters, of the closed end portion 302 of the outer tube 300, d denotes a shortest distance, in millimeters, in a direction of a longitudinal axis of the outer tube 300, between an inner surface 304 of the closed end portion 302 of the outer tube 300 and an outer surface 204 of an end portion 202 of the inner tube 200, the end portion 202 being located opposite from the base 400.

Abstract: A display device including a display panel is provided, including a substrate having a luminance region and a none-luminance region thereover. An interlayer dielectric layer is disposed over the substrate. A reflection layer is disposed over the interlayer dielectric layer in the luminance region. A planarization layer is disposed over the reflection layer, having a rugged top surface corresponding to the reflection layer. A first electrode is disposed over the planarization layer, having a rugged top surface corresponding to the reflection layer. A pixel defining layer is disposed over the planarization layer, exposing the rugged top surface of the first electrode and defining the luminance region. An electroluminescent layer and a second electrode are sequentially stacked over the first electrode.

Abstract: A reflecting resin sheet provides a reflecting resin layer at the side of a light emitting diode element and includes a first release substrate and the reflecting resin layer provided on one surface in a thickness direction of the first release substrate. In the first release substrate and the reflecting resin layer, a through hole extending therethrough in the thickness direction is formed corresponding to the light emitting diode element so as to allow an inner circumference surface of the through hole in the reflecting resin layer to be disposed in opposed relation to a side surface of the light emitting diode element.

Abstract: The invention relates to a high pressure discharge lamp (100) comprising: a concave (curved inward) reflector body (10) with an axis (11) and a hollow neck portion (12) around the axis having an inner (120) and an outer (121) wall surface, the neck portion being provided with a lamp cap (13) at its end pointing away from the reflector body; the reflector body having a reflective surface (110) on its inwardly curved side and an outer side (111) opposite the inwardly curved side; the inner wall surface of the hollow neck portion being substantially non-reflective; a discharge vessel (14) having at least one leadthrough construction (140). According to the invention the at least one leadthrough construction is at least partly surrounded by the neck portion and in that the neck portion is surrounded by a sleeve (20) being opaque for light, that is being opaque for visible radiation.

Abstract: A backlight module includes a frame, a reflective sheet, a light guide plate, a light source, and an optical film set. The frame defines an accommodation space, and the reflective sheet is disposed in the accommodation space. The light guide plate is disposed in the accommodation space and on one surface of the reflective sheet. The optical film set is disposed one side of the light guide plate opposite the reflective sheet. The reflective sheet is hollowed out at a position overlapping the light source to form at least one opening so as to reduce light halos.

Abstract: A lighting device is disclosed herein. In the lighting device, a plurality of the light emitting elements may be provided based on a desired amount of light. The lighting device may include a reflector provided over the light emitting elements and a lens provided over the reflector. The reflector may be configured to reflect light emitted from the light emitting elements to reduce light loss and to improve light distribution efficiency in the lighting device.

Abstract: The present invention relates to a lamp assembly comprising a lamp (10) having a lamp vessel (101) with a longitudinal axis (CC). The lamp assembly comprises a support member (11) comprising a bottom surface (111) extending substantially along the longitudinal axis. Between the bottom surface and the lamp vessel, a reflective member (12) is supported by the support member and has a surface comprising a material with a melting temperature higher than 600° C.

Abstract: A light-emitting element comprising a substrate; a light-emitting layer disposed above the substrate and emitting a primary light; and, a reflective film disposed between the substrate and the light-emitting layer and formed by at least one layer that reflects the primary light, in which the light-emitting element further comprises a light dispersing multilayered film disposed between the substrate and the reflective film and formed by two or more types of light dispersing layers, and the light dispersing multilayered film multiple-disperses a secondary light into plural wavelengths and discharges the secondary light, which is excited by the primary light passing through the reflective film.

Abstract: An LED reflector lamp is provided wherein the lamp has a concave reflector substantially symmetrically arrayed about an axis, the reflector further having a focus and a bottom. A subassembly is coaxially aligned with said axis and comprises a light guide having a proximal end positioned outside of said reflector and a distal end positioned within said reflector at said focus. A first light source comprising at least one light emitting diode (LED) is positioned at said proximal end and operable to emit a first radiation when energized. A second light source comprising at least one phosphor is positioned at said distal end and operable to emit a second radiation having a different wavelength than said first radiation when energized by said first radiation from said first light source.

Abstract: A light source, includes an LED emitter and a meniscus lens having a hollow cavity in which the LED emitter is disposed. The meniscus lens is in exemplary embodiments hyperhemispheric, and it produces a high quality optical image of the LED emitter. The cavity of the lens is filled with air, such as terrestrial atmosphere, inert gas, or vacuum.

Abstract: The invention relates to a lighting device for a motor vehicle. Said lighting device comprises a light source (1; 96) for emitting electromagnetic radiation, in particular light which is visible to the human eye, and a reflector (70; 81; 90) for focusing the emitted light. The light source (1; 96) is fastened on the reflector (70; 81; 90) at least indirectly in a defined position relative to a reflective surface of said reflector. In order firstly to make heat transfer from the reflector (70; 81; 90) to the light source (1; 96) more difficult and secondly to enable EMC shielding by virtue of an electrical contact between the light source (1; 96) and the reflector (70; 81; 90), the invention proposes that a material (72) with poor thermal conductivity is arranged between the reflector (70; 81; 90) and the light source (1; 96) for thermally insulating the light source (1; 96) from the reflector (70; 81; 90).

Abstract: A multiple wavelength light emitting device is provided wherewith the resonance strength and directivity between colors can be easily adjusted for balance. This light emitting device comprises a light emission means 4 for emitting light containing wavelength components to be output, and a semi-reflecting layer group 2 wherein semi-reflecting layers 2R, 2G, and 2B that transmit some light having specific wavelengths emitted from the light emission means and reflect the remainder are stacked up in order in the direction of light advance in association with wavelengths of light to be output. Light emission regions AR, AG, and AB are determined in association with the wavelengths of light to be output.

Abstract: A multiple wavelength light emitting device is provided wherewith the resonance strength and directivity between colors can be easily adjusted for balance. This light emitting device comprises a light emission means 4 for emitting light containing wavelength components to be output, and a semi-reflecting layer group 2 wherein semi-reflecting layers 2R, 2G, and 2B that transmit some light having specific wavelengths emitted from the light emission means and reflect the remainder are stacked up in order in the direction of light advance in association with wavelengths of light to be output. Light emission regions AR, AG, and AB are determined in association with the wavelengths of light to be output.