EP3227872A1 - Alarmblitzleuchte für eine gefahrenmeldeanlage mit einem flächigleuchtenden dünnschichtbauelement aus organischen halbleitenden materialien (oled) - Google Patents
Alarmblitzleuchte für eine gefahrenmeldeanlage mit einem flächigleuchtenden dünnschichtbauelement aus organischen halbleitenden materialien (oled)Info
- Publication number
- EP3227872A1 EP3227872A1 EP15802155.0A EP15802155A EP3227872A1 EP 3227872 A1 EP3227872 A1 EP 3227872A1 EP 15802155 A EP15802155 A EP 15802155A EP 3227872 A1 EP3227872 A1 EP 3227872A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- alarm
- film component
- thin
- light
- luminous
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied
- G08B5/22—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied using electric transmission; using electromagnetic transmission
- G08B5/36—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
- G08B5/38—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources using flashing light
Definitions
- the invention relates to an alarm flashing light for a danger ⁇ renmeldestrom.
- the alarm flash has a flash ⁇ source for visual alarm in case of danger, an energy storage device for storing electrical energy, a switching element and a control unit for releasing the stored electrical energy from the energy storage via the switching element to the flash light source. It also comprises a housing with a housing-side, preferably flat mounting surface for direct wall or ceiling mounting or preferably releasable attachment to a base for indirect wall or ceiling mounting. The light emitted from the flash light source light is visible to the human eye ⁇ Liche.
- the invention relates to a (first) hazard detection ⁇ system comprising a hazard warning center, a is connected thereto ⁇ detector line and a plurality of at Melderli ⁇ never attached such Flashing alarms. It also relates to a (second) alarm system with egg ⁇ ner radio-assisted security control panel and with a Mehr ⁇ number via radio at the security panel announced such alarm beacon lights.
- Alarm flashlights of the type described are often used in combination with an acoustic alarm, wherein such combined acoustic / optical alarms as "Sounder beacon", or in German “Blitzsummer" are called.
- Such alarm flashing lights or acoustic / optical alarms are preferably mounted on the wall or on the ceiling.
- alarm strobe lights typically include a xenon flash tube.
- the pulse duration of the xenon flash is in a range of 0.5 to 1 ms. The short flash is well perceived by hearing impaired persons who do not or hardly hear the parallel emitted audible alarm signal.
- LED alarm flashers are now offered.
- the light-emitting diodes (LED) used for generating light comprise a semiconductor crystal with semiconducting light-emitting materials.
- Pulse durations (about 100 ms) in the normalized frame (up to 200 ms), the generated LED flash is significantly less noticeable compared to the xenon flash. This is especially the case when the LED flash arrives at the eye of a person through reflections on walls or ceilings and thus as indirect light, ie viewed from the person's side or from behind.
- the pulse duration of an LED flash should be maximum in the range of 10 to 20 ms. However, a much higher light intensity of the LED flash is required to produce the same light energy per flash. The corresponding required elec ⁇ tric peak power is 100 W and more!
- the flash light source is a surface-illuminating thin-film component made of organic semiconductive materials (OLED for Organic Light Emitting Diode).
- Such a surface-illuminating thin-film component he ⁇ leaves due to its manufacturing principle, a largely free shaping. Thereby an adjustment of the light emission to a required radiation characteristic is advantageously possible, typically based on a standard or Stan ⁇ standards.
- the free shaping is achieved by applying semiconductive organic light-emitting luminous color substances on a transparent flexible carrier layer, such as on a plastic film.
- the luminescent dyes may alternatively or additionally be applied to a preformed transparent (flexurally) stiff and not necessarily planar support layer, such as on a transparent semi-hollow spherical mold made of plastic or glass.
- the pre-formed ⁇ carrier layer may in principle have any geometry ⁇ surfaces, such as curved, spherical, cylindrical and the like.
- the arealuminous thin-film component is then preferably snapped on the housing, framed or glued.
- LEDs contrast have a brittle, brittle semiconductor crystal on with semiconducting inorganic lichtemit ⁇ animal materials. Manufacturing technology, they come from a flat wafer, which typically has hundreds of such LEDs. They are therefore also plan.
- the core of the invention is further in the knowledge that the previously unsatisfactory solved problem in the aging of such "OLEDs" here in the present invention is irrelevant, since such an OLED as an alarm flash only in very rare alarming traps and thus for a short operating time is operated.
- OLEDs are subject during operation as dauerhaf ⁇ tes lighting means or as a display for televisions, computers or monitors tablet computers known to be a permanent aging with a significant decrease in brightness over time.
- Led Another advantage lies in the possible realization of alarm flashing lights with a particularly low overall height. As a result, an optically inconspicuous integration in the ceiling or wall area or even behind semi-transparent mirrors is possible.
- the entire control and monitoring electronics can, for example, "disappear" in-wall, making it possible to realize “invisible” integrated and moisture-proof solutions, especially in wet areas in hotel rooms.
- Another advantage is that the comparatively large luminous area of such a surface-illuminating thin-film component only leads to low glare compared to a power LED with its extremely high luminance in the main emission direction with several 100,000 cd / m 2.
- Alarm flashlights with power LEDs having such high local luminance levels may fall into a laser protection class, such as class 2M or 3R, which prohibits operation of such alarm flashers. Correspondingly complicated approval procedures are disadvantageously necessary in such a case.
- the laser protection classes are specified for Europe in the European standard EN 60825-1.
- the arealuminous thin-film component made of organic semiconducting materials has, in particular, no inorganic light-emitting materials.
- the arealuminous Dünn Anlagenbau ⁇ element has a luminous surface with an area in the range of 10 cm 2 to 200 cm 2 , in particular from 50 cm 2 to 150 cm 2 .
- the arealuminous thin-film component is attached to the housing. It comprises an inner surface opposite the housing and a luminous surface directed away from the housing and protruding outwards.
- the outwardly projecting luminous surface is a curved luminous surface. It preferably is part of the Oberflä ⁇ surface of a sphere, a cylinder, a cone, a soids ellipsoid, a paraboloid or a hyperboloid.
- an advantageously improved emission in the lateral direction is possible in comparison with a planar area radiator, ie, a so-called Lambertian radiator, as is the case with a conventional LED without upstream optics (see FIG. 6, characteristic curve LAM) (see FIG. 6, curves ELL, SEMI).
- An upstream optical lens or mirror is not required.
- the outwardly arched luminous surface creates a cavity which can be advantageously used to accommodate components of the inventive alarm flash, such as the energy storage and / or circuit substrate.
- FIG 6 refers to the Abstrahlkennlinien of a flat luminous thin film component with renzkugeli ⁇ ger luminous surface are (characteristic SEMI) and a surface ⁇ luminous thin film device having a light emitting surface comprising the surface of a biaxial half-ellipsoid (characteristic ELL) is illustrated. It can be seen that the lateral emission area of the respective luminous thin film component, that is more significantly improved parallel to the plane of the alarm day Mon ⁇ strobe light out opposite a flat antenna in directions.
- the arealuminous thin-film component has a uniform luminance on the luminous surface.
- the curvature of the surface-emitting thin-film component is such that the organic light-emitting diode conforms to the European standard EN 54-23 or one to the North American
- the shaping of the curvature can be determined in such a way that substantially a radiation according to the UL standard or the EN standard can be achieved without further optics optical simulation carried out.
- substantially is meant that the deviation a thus determined characteristic for the exhaust emission characteristic of the surface luminous thin film component of a required normalized Abstrahlkennline, such as preferential ⁇ example according to the UL 1971 v3, a maximum of 20 percent, a maximum of 10 Percent, is (see FIG 6), in addition the specific characteristic satisfies the respective standard requirements.
- the areas under the respective two characteristic curves are determined and compared with each other.
- the surface luminous Dünntechnik ⁇ element is a flat planar luminous, ie bright ansteu ⁇ erbares component. Such a device can be produced in a particularly simple manner.
- a planar transparent plastic ⁇ foil or plastic plate is provided with the semiconducting organic luminescent dyes, at least form such as by means of an inkjet printing method or offset printing, said light-emitting dyes a part of an emitter layer for light emission.
- the plastic film or the plastic plate is previously ver ⁇ see with a transparent anode layer and then followed Lochtechnischs harsh. After applying the luminescent dyes, a cathode layer is finally applied.
- a product prepared in this manner and controllable luminous thin film device can be subsequently incorporated as planes Bauele ⁇ ment on the housing of the alarm flashing light.
- this device may be shaped after its manufacture, such as e.g. by bending to a cylindrical shape, or by thermoplastic deformation to an ellipsoidal, spherical, conical, paraboloidal or hyperboloidal shape, as described above.
- the surface-illuminating thin-film component can be opti- see lens, such as a Fresnel lens, or a mirror upstream to direct emitted light in more lateral directions.
- the areal illuminating thin-film component is designed to emit flash light having a substantially uniform luminance in the range from 10,000 cd / m 2 to 200,000 cd / m 2 , in particular from 25,000 cd / m 2 to 100,000 cd / m 2 .
- the flat luminous thin film component typically has ⁇ , on a carrier, anode, hole conduction, the emitter and Ka ⁇ Thode layer.
- the emitter layer has a concentra ⁇ on of fluorescent dyes that emit at least when electrically energized light in the optically visible range.
- a desired color can then be emitted upon electrical excitation.
- the colors can be eg "white" red, green, yellow, blue or.
- For white light is typically a mixture of red, green and blue fluorescent dyes ⁇ glowing required.
- a mirror-terrain, preferably metallic layer so that the light emitted from the emitter layer to their light is reflected towards the anode or cathode layer.
- the anode ⁇ or cathode layer is transparent to light extraction. It has, for example, a transparent plastic layer with a transparent, electrically conductive layer, for example, of indium tin oxide.
- the emitter layer has a concentration of fluorescent dyes which is dependent on the position on the luminous area and thus a local luminance dependent thereon.
- positions such as on a hemispherical luminous surface shape of the surface-illuminating thin-film component, can be raised or lowered in a luminous manner in accordance with the desired emission direction.
- the corresponding local electrical power is advantageously proportional to the desired local luminance, since the local electrical power is approximately proportional to the local current flowing there for the light excitation.
- the local-dependent concentration can be considered for example in the printing process of the support layer by a lo ⁇ cal place for example once, twice or is printed multiple times or by more or less local bodies remain unprinted.
- the local luminance is approximately proportional to the local concentration of one or more luminescent dyes. At the same time, the local luminance is also approximately proportional to the current flowing locally there between the anode and cathode for the local excitation of light fluorescent dyes.
- the emitter layer preferably has another one
- Embodiment such a dependent on the position local luminance, that the surface-illuminating Dünn Hornbau ⁇ element has a to European Standard EN 54-23 or to the North American standard UL 1971 v3 approximated radiation characteristic.
- the cathode layer of the thin-film component has two to four partial cathodes arranged electrically from one another and in particular adjacent to one another.
- the anode layer two to four electrically from each other and in particular adjacently arrange ⁇ th partial anodes.
- the partial cathodes or the partial anodes are for electrical excitation via an associated switching element connected to the control unit, so that upon activation of a switching element, a respective associated emitter ⁇ partial layer emits light as a partial light area.
- the sum of the partial cathode areas or the sum of the partial anode areas corresponds at least almost to the total area of the cathode layer or anode layer.
- the cathode layer or the anode layer is divided into two to four partial cathodes or partial anodes.
- the two to four emitter sublayers then emit the same colored light, such as white or red light upon electrical excitation.
- part ⁇ luminous surfaces in alarm case remain dark by these are at least indirectly electrically excited via the control unit of the alarm strobe light.
- the respective emitter partial layers have different concentrations of red, green or blue illuminating fluorescent dyes for the emission of colored or white light.
- different luminous colors can be set, eg red, white, yellow or green.
- the color "white” or “red” can be set, for example for the op ⁇ tables alarm.
- the color "yellow” or “green” example to the purposes for signaling the end of a reported risk of "clearance” can be set.
- the color "white” can be used for emergency purposes is ⁇ provides.
- the selective adjustment preferably takes place at least indirectly via the control unit of the alarm flash lamp.
- the alarm flash lamp on a directed away from the housing, outwardly projecting, in particular outwardly curved luminous surface.
- the emitter sublayers are spatially distributed on the illuminated area in this way. assigns that when electrical control of the respective Emitterteil Anlagen a directed light emission in preference ⁇ wise different directions can be achieved.
- direction-dependent light radiation is advantageously possible.
- an outwardly curved luminous surface of the alarm flash lamp (see example of FIG. 2 and FIG. 3) can be designed in two parts (see FIG. 13). This can be advantageous in ceiling mounting such
- Alarm flashlight both illuminated surfaces are triggered for light emission.
- only the lower light-emitting surface for light emission can be angesteu ⁇ ert ⁇ advantageous way with a wall mounting. This reduces the power consumption in the case of wall mounting, as the upper illuminated area is not needed for the optical alarm.
- the corresponding dently ⁇ tion for the respective mounting is preferably carried out at ⁇ least indirectly via the control unit the alarm flashing light.
- the alarm flashing light on a receiving unit for receiving an ers ⁇ th control signal or control command for the control unit.
- the control unit is configured to actuate the flat-emitting thin-film component 2 with a brightness, flash duration, repetition frequency and / or light color determined by the first control signal or by a first control command.
- the first control signal may be, for example, an analog signal. It can be a frequency signal, which spectrally has several adjacent individual frequencies. The presence ⁇ his single or multiple individual frequencies can then encode the desired brightness, flash duration, repetition frequency and / or the light color.
- the first command may, for example, a bit sequence represents my ⁇ reindeer, wherein a respective group of bits different values for the brightness, for the flash duration, for the Wiederholfre ⁇ frequency and coded for the light color.
- the surface-illuminating thin-film component is a white-luminescent or white-light-triggering thin-film component.
- the receiving ⁇ unit is set up to receive a second control signal or control command.
- the control unit is to be directed ⁇ to drive at a reception of a second control signal or control command, the surface luminous thin film device with a continuous light having a reduced luminance of at most 4,000 cd / m 2, in particular of a maximum of 2000 cd / m 2, for an emergency lighting.
- the brightness of the emergency lighting can be done by providing a reduced compared to lightning emergency ⁇ current. This is in comparison to the maximum current during flashing in Alarm istsfall only ei ⁇ nen fraction thereof.
- the object of the invention is also achieved with a (first) alarm system having a hazard alarm center, ei ⁇ ne connected thereto detector line and a plurality of connected to the detector line according to the invention alarm flashing lights.
- the alarm flash lights each have a receiving unit for receiving electrical energy and / or control commands from the detector line.
- Such a plant is by the inventive USAGE ⁇ dung of a surface luminous thin film component or from ⁇ ganischen semiconducting materials, with its many advantages over power LEDs as the optical Richtwir- kung, the creative freedom in the design and the elimination of optical means such as lenses and mirrors flexible use.
- the connection unit is set up to receive control signals or control commands for the control unit.
- connection unit is set up to receive electrical energy for the energy store from the detector line.
- the connection unit is preferably set up to connect a two-wire line. Such two-wire lines are typically used as detector lines in hazard detection systems.
- the connection unit usually has a connection terminal.
- the object of the invention is also with a
- (second) alarm system solved which has a radio-supported security control panel and a plurality of notified by radio at the hazard warning center according to the invention alarm flash lights.
- the alarm flashing lights each have a battery and / or accumulator for supplying electrical energy to the alarm flashing light and a radio receiving unit for receiving control commands from the radio-supported security control panel.
- the alarm strobe has a radio interface as a receiving unit.
- the radio interface ⁇ is set up for at least indirect radio reception of control signals or control commands for the control unit of the danger warning center.
- at least indirectly is meant that the control signals or the control commands not only directly but also indirectly via other funkge ⁇ supported participants of the danger detection system in terms of a meshed network or a multihop network from a radio-supported security panel to the addressed
- FIG 1 is a hazard detection system having a control center and three on a common detector line is castle ⁇ NEN inventive alarm flashing lights,
- FIG 3 shows a second embodiment in ceiling mount with a flat luminous thin film device with the surface of a biaxial half-ellipsoid soids broad luminous surface
- FIG 4 a third embodiment in ceiling mounting with a thin-film component having a Oberflä ⁇ surface of a truncated cone comprising luminous surface
- FIG. 5 shows a fourth embodiment in wall mounting with a surface-illuminating thin-film component with a light surface comprising a part of the surface of a pointed cone
- FIG. 7 shows a fifth embodiment of the alarm flash lamp in ceiling mounting with a flat surface planar thin-film component, a sixth embodiment in ceiling mounting with a surface-illuminating flat thin-film component and with an upstream diffusing screen, a seventh embodiment in wall mounting with ei ⁇ nem planar illuminating flat thin film device and with an upstream diffusing lens, the layer structure of a surface-illuminating thin-film device with curved luminous surface with example two separately controllable emitter ⁇ partial layers to emit white light in different directions, the layer structure of a flat luminous thin film component with curved light emitting surface having for example two drivable separately emitter ⁇ partial layers to emit red or white light in different directions, the example of Figure 3 with a for Umlaufwin- kel to the symmetry axis is the same, but dependent on the vertical angle, the concentration of fluorescent dyes in an emitter layer according to the invention, an eighth Embodiment in wall mounting, with egg nem surface luminous thin film device with a part of the surface of
- FIG. 1 shows a hazard alarm system 10 with a central 11 and with three connected via a common detector line ML s ⁇ senen alarm beacons 1.
- two inventive alarm flashlights 1 are shown, which are configured for example only visual alerting , You can additionally have an acoustic alarm unit for ge ⁇ common alarm in case of danger.
- an inventive alarm beacon 1 is seen, which is also still designed as a smoke detector 7 and has a detector unit 8 for smoke detection. All ge ⁇ showed alarming units 1 are supplied via the detector line ML with electrical energy E, so electric current which is provided by the center 11 and the case of power failure of the power supply network by Net ⁇ zersatz such as will ensure by emergency power batteries.
- the alarm flash lamps shown have 1 according to the inventions dung surface luminous thin film device of organic ⁇ rule semiconducting materials OLED as a flash light source 2 for visual alarm in case of danger on.
- the alarm flash ⁇ light 1 also includes an energy storage 3 for storing electrical energy E, a switching element 4 and a control unit 5 for releasing the stored electric ⁇ 's energy E from the energy storage device 3 via the switching element
- the alarm strobes 1 have been additionally a wired connection unit 6 which E is set for the alarm lamp flash for 1 Auskopp ⁇ development of electrical energy E of the detector line ML and supplying the electric power.
- the connection unit 6, such as a bus module, is also set up for the
- Alarm flashlight 1 certain, control commands IN, NOT forward to the control unit 5 or from the control unit
- the control unit 5 is preferably a microcontroller on which a suitable computer program is executed.
- the connection unit 6 can be a radio interface, for example be on WLAN or Bluetooth-based communication with a radio-based hazard warning center. 11
- the energy store 3 is preferably a capacitor which is suitable for providing high peak currents for the very short flash times.
- this egg ⁇ ne battery or an accumulator can have.
- the switching element 4 is preferably a power switching transistor such as an FET. In the simplest case, the switching element 4 is in Alarm istsfall by the control unit 5 with a repayment ⁇ frequency in the range of 1 Hz to 2 Hz and for a period of time in the range of 0.5 ms to 20 ms for switching through the energy stored in the energy storage 4 E. activated to the arealuminous thin-film component 2.
- the respective control unit 5 can be set up to control the thin-film component 2 with a brightness, flash duration, repetition frequency and / or light color determined by a first control command IN.
- the first control signal or the first Steuerbe ⁇ lack IN represents an alarm message on the basis of which the castle be ⁇ NEN Flashing alarms 1 drive the flat luminous thin film device 2 flashing.
- the control unit 5 may further be set based on a second control command NOT to drive the flächigleuch ⁇ tend thin film device 2 with continuous light for a notbe ⁇ illumination with a reduced luminance compared to the luminance in the flash operation, such as by maxi ⁇ times 4000 cd / m 2 , in particular of at most 1000 cd / m.
- the thin-film component 2 then turns white or this is driven white light.
- the surface-illuminating thin-film component 2 can be technically designed to emit at least one additional color, such as red, in addition to light of the color white.
- FIG. 2 shows a first embodiment of the inventive alarm flash lamp 1 in ceiling mounting with a surface-illuminating thin-film component 2 of organic semiconducting materials with an outwardly curved hemispherical luminous surface LF.
- a luminous area LF is assumed with a uniformly equal luminance.
- Reference number 9 designates a housing of the alarm flash lamp 1 and IF denotes an inner surface of the surface-illuminating thin-film component 2 which is designed as an open hollow body and faces the luminous surface IF. The latter is attached in the vorlie ⁇ ing example on the housing 9, such as snapped or glued.
- the inner surface IF itself is typi ⁇ cally designed to be non-luminous.
- the housing 9 also includes a flat mounting surface BF for mounting the alarm strobe light 1 on the ceiling as a mounting surface MF.
- the flash light source 2 is a flächigleuch ⁇ tendes thin film device of organic semiconducting materials.
- such a device has a preferably uniform device thickness in the range of 0.5 up to 3 mm.
- the shown curved convex luminous surface LF which is directed away from the housing 9, here describes the upper surface of a hemisphere ⁇ .
- the cavity HR surrounded by the hemisphere can be used to accommodate the components of the alarm flashing light 1.
- the thin-film component 2 is surrounded by a transparent protective cover 20 for protection against external mechanical influences and against contamination.
- the protective cover 20 is preferably made of transparent plastic.
- the arealuminous thin-film component 2 and the protective cover 20 may already be prefabricated as a structural unit 21.
- the protective cover 20 may already be a transparent carrier layer of a thin-film component 2 itself, wherein an anode or cathode layer and the emitter layer with the luminescent dyes are then applied to the carrier layer, as described above.
- FIG. 3 shows a second embodiment in ceiling mounting with a surface-illuminating thin-film component 2 with a luminous surface LF comprising the surface of a biaxial half-ellipsoid.
- Hl, H2 and H3 designate the three orthogonal half-axes of the half-ellipsoid.
- the ratio of the semi-axis Hl to the semi-axis H2 of the semi-ellipsoid here 2 1.
- 4 shows a third embodiment in ceiling mounting with a thin-film component 2 with a luminous surface LF comprising the surface of a truncated cone. In this example, the viewer would again show a circular area from the registered viewing direction BR.
- the alarm flashing light 1 shown is set up for indirect wall mounting, in that it is preferably detachably fastened to a base SO with its fastening surface BF on the housing side.
- the base SO in turn is then already mounted with its base mounting surface SF on the wall as a mounting surface MF.
- FIG. 5 shows a fourth embodiment in wall mounting with a surface-illuminating thin-film component 2 with a part of the surface of a pointed cone comprising
- Luminous area LF Here, the viewer would see a circular sector as a luminous area LF.
- FIG. 6 shows characteristic curves for the emission characteristic of a
- Alarm flashing light 1 according to the standard UL 1971 v3 (curves C, WH, WV) in comparison with that of a Lambert 'see radiator (characteristic LAM) as well as those of the arealuminous thin-film devices 2 according to FIG 2 and FIG 3 (characteristic SEMI, ELL).
- I a normalized to a maximum intensity value of 100% light intensity as a function of a respective Ab ⁇ beam angle ⁇ ⁇ , ⁇ ⁇ , ⁇ ⁇ is plotted.
- H denotes a horizontal angle egg nen for an alarm flash lamp 1 in De ⁇ ckenmontage.
- ⁇ ⁇ and ⁇ ⁇ denote horizontal and vertical radiation angles for an alarm flashing light 1 for wall mounting.
- the standard requirement for lateral emission is met by a flat-emitting thin-film component with a hemispherical and biaxial semi-ellipsoid light surface LF.
- the associated emission characteristics are designated SEMI and ELL.
- the essentially identical luminance of the thin-film component can be increased in such a way that the emission characteristic ELL according to FIG. 6 includes the UL characteristic C, so that the requirement according to the standard UL 1971 v3 is met.
- WH and WV show the two UL characteristics for the emission characteristics of an alarm flashing light 1 for wall mounting for horizontal and vertical radiation angles ⁇ ⁇ , ⁇ ⁇ .
- a Lambert see 'radiator flat surface emitter shows that such a radiator quietly light can not genü- deploy in lateral beam angle ⁇ ⁇ with absolute Win ⁇ kel discharge of at least 75 °.
- the entire standard requirement is met by a surface-illuminating thin-film component with a hemispherical and biaxial semi-ellipsoid luminous surface LF.
- FIG 7 shows a fifth embodiment of the alarm strobe light 1 in ceiling mount with a flat luminous ebe ⁇ NEN thin film device 2.
- a flat luminous ebe ⁇ NEN thin film device 2 is a transparent Protective cover 20 upstream of the mechanical protection.
- the arealuminous thin-film component 2 is preferably circular.
- FIG. 8 shows a sixth embodiment in ceiling mounting with a surface-illuminating flat thin-film component 2 and with an upstream diffusing lens LI.
- the diverging lens LI is preferably a Fresnel lens which has such optical properties that the light emitted by the light surface LF is deflected more in the direction of the side with respect to the ceiling as a mounting surface.
- FIG. 9 shows a seventh embodiment in wall mounting with a planar illuminating flat thin-film component 2 and with an upstream Fresnel scattering lens LI.
- FIG. 10 shows the layer structure of a flat luminous thin-film device 2 with a curved light emitting area LF at ⁇ way of example two drivable separately emitter sublayers SEI, SE2 for emitting white light WHITE in different directions.
- SEI, SE2 separately emitter sublayers
- Tl and T2 the two differently directed partial luminous surfaces are designated.
- the thin-film component 2 has from bottom to top a carrier, anode, hole line, emitter and cathode layer ST, SA, SL, SE, SK.
- the transparent, preferably clear carrier layer ST is in particular made of a plastic.
- the backing layer simultaneously ST can also be a transparent protective cover for the mechanical protection of the surface luminous thin film component 2 with a corresponding layer ⁇ thick.
- the conductive cathode layer SK is a reflecting metallic layer, so that the light emitted from the emitter ⁇ layer SE light is reflected by the cathode layer SK in the direction of the transparent support layer ST.
- the emitter layer SE has a concentration of red, green and blue luminous dyes R, G, B, which emit additively white light WHITE when electrically excited.
- the cathode layer SK has two partial cathodes SKI, SK2 which are next to each other and electrically separate from each other.
- the latter are for electrical excitation via a respective switching element 41, 42 ver ⁇ connected with the control unit 5, so that a respectively associated opposite emitter sublayer SEI, SE2 emits the white light WHITE with fresh excitement.
- FIG 11 shows the layer structure of a flat luminous thin ⁇ layer component 2 with a curved light emitting area with, for example ⁇ way of two controllable separately emitter sublayers SEI, SE2 for emission of red light or white light RED WHITE in different directions.
- the left part of the emitter layer SE2 only red-emitting fluorescent dyes R and the right ⁇ emitter sublayer SE2 red, green and blue luminous Leuchtfarb- substances R, G, B on. Consequently, in the case of electrical excitation, the left emitter sublayer SE emits red light RED and the right emitter sublayer SEI emits white light WHITE, and this also in different directions because of the curvature or curvature of the luminous surface LF.
- Figures 12 and 13 show the example of Figure 3 with a ⁇ for revolution angle equal to the symmetry axis, but dependent on the verti ⁇ kalen angle a v concentration K (a v) of fluorescent dyes R, G, B in an emitter layer SE according to the invention ,
- FIG 13 shows a plan view of the alarm flash lamp 1 ent ⁇ speaking of the illustrated in FIG 12 viewing direction XIII.
- the same concentration values thus form circular lines, as shown in FIG.
- M has the geometric mean ⁇ point is in each case entered for the biaxial shown semi-ellipsoid, with only the lower half is used as a luminous surface of the LF flächig- luminous thin film component.
- 2 General ⁇ my considered, the emitter layer SE as luminous area LF is dependent on the position on the luminous area LF concentration of fluorescent dyes R, G, B, and thus one of them dependent local luminance.
- the emitter layer SE to such a position dependent on the local luminance, so that the sur fa ⁇ chig handheld device 2 has a European of the ⁇ Standard EN 54-23 or to the North American Standard UL 1971 v3 approximate radiation pattern.
- the luminance for absolute angle values between 5 ° and 20 °, between 35 ° and 40 °, and between 50 ° and 85 ° are lowered, since in this range the characteristic ELL clearly exceeds the standard requirement. In other words, these emission directions is unnecessary amount of light toge ⁇ ben.
- the luminance for absolute angle could be increased ⁇ values between 25 ° and 30 ° since reaching the characteristic ELL in this loading the standard requirement - although scarce - not met.
- the surface luminous thin ⁇ layer component 2 two juxtaposed sublayers emitter SEI, SE2, both of which together form the emitter layer SE and emit light. Both are each controlled via a not shown in this illustration switching ⁇ element for a selective direction-dependent Lichtabstrah- treatment.
- the alarm flash 1 shown in the case of wall mounting be adjusted so that the "upper" Emitterteil Anlagen SEI for the optical alarm is not energized or only with reduced luminance.
- FIG 14 to FIG 16 show an eighth embodiment in wall ⁇ assembly with a surface luminous thin film device 2 with a full biaxial quarter ellipsoid light ⁇ area LF and a ⁇ for vertical and horizontal angle ⁇ , ⁇ ⁇ -dependent around the symmetry axis concentration ⁇ ( ⁇ ⁇ , ⁇ ⁇ ) of fluorescent dyes in the emitter layer of the thin-film ⁇ component 2.
- the vertical angle ⁇ ⁇ can be seen in FIG 16 in particular in FIG 14 and the horizontal angle ⁇ ⁇ .
- FIG. 14 shows a side view of the alarm flashing light 1
- FIG. 15 shows a front view
- FIG. 16 shows a view from "above" of the alarm flashing light 1.
- FIG. 17 and FIG. 18 show a ninth embodiment of the inventive alarm flash lamp 1 in wall mounting and with a luminous surface LF comprising a part of the lateral surface of a cylinder.
- FIG. 17 shows a side view and
- FIG. 18 shows a front view.
- OLED organic light emitting diode
- T1 T2 partial illuminated area
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Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014224643 | 2014-12-02 | ||
| PCT/EP2015/078308 WO2016087492A1 (de) | 2014-12-02 | 2015-12-02 | Alarmblitzleuchte für eine gefahrenmeldeanlage mit einem flächigleuchtenden dünnschichtbauelement aus organischen halbleitenden materialien (oled) |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3227872A1 true EP3227872A1 (de) | 2017-10-11 |
| EP3227872B1 EP3227872B1 (de) | 2021-01-27 |
Family
ID=54754666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP15802155.0A Active EP3227872B1 (de) | 2014-12-02 | 2015-12-02 | Alarmblitzleuchte für eine gefahrenmeldeanlage mit einem flächigleuchtenden dünnschichtbauelement aus organischen halbleitenden materialien (oled) |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP3227872B1 (de) |
| WO (1) | WO2016087492A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356417B (zh) * | 2021-05-11 | 2023-05-05 | 招商积余数字科技(南京)有限公司 | 一种具有日夜双式显渗功能的建筑幕墙面板 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10239347A1 (de) * | 2002-08-28 | 2004-03-18 | Fhf Funke + Huster Fernsig Gmbh | Signalleuchte |
| US20070035255A1 (en) * | 2005-08-09 | 2007-02-15 | James Shuster | LED strobe for hazard protection systems |
| KR100999252B1 (ko) * | 2005-12-30 | 2010-12-07 | 삼성코닝정밀소재 주식회사 | 외광 차폐층, 이 외광 차폐층을 포함하는 디스플레이 필터및 이 디스플레이 필터를 포함한 디스플레이 장치 |
| EP1865484B1 (de) * | 2006-06-08 | 2020-11-04 | Eaton Intelligent Power Limited | Hinweiszeichenleuchte und Lichtsteuersystem |
| US20080204267A1 (en) * | 2007-02-28 | 2008-08-28 | Honeywell International, Inc. | Detector/Module Integrated Emergency Signs |
| DE102012210876B4 (de) * | 2012-06-26 | 2024-10-24 | Pictiva Displays International Limited | Lichtemittierendes organisches Bauteil |
-
2015
- 2015-12-02 EP EP15802155.0A patent/EP3227872B1/de active Active
- 2015-12-02 WO PCT/EP2015/078308 patent/WO2016087492A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| EP3227872B1 (de) | 2021-01-27 |
| WO2016087492A1 (de) | 2016-06-09 |
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