Organic-Light-Emitting Diode and Luminaire

• US 20120091923A1
• Filed: 12/09/2009
• Published: 04/19/2012
• Est. Priority Date: 12/11/2008
• Status: Active Grant

• Current Assignee: Pictiva Displays International Limited (f/k/a Dolya Holdco 5 Limited) (Key Patent Innovations Limited)
• Original Assignee: Osram Opto Semiconductors GmbH (Ams-Osram AG)
• Inventors: Klein, Markus, Kastner-Jung, Ulrich, Maes, Stan, Sigl, Romana, Haid, Annette, Lintner, Stephan, Herget, Julian, Matjan, Gregor
• Granted Patent: US 9,797,567 B2
• Time in Patent Office: Days
• US Class Current: 315/360
• CPC Class Codes: B05B 1/18 Roses; Shower heads with means for adding soap or the like E03C1/046; jet regulators E03C1/08
• CPC Class Codes: B60Q 1/268 on windscreens or windows B60Q1/302 takes precedence; lighting devices for vehicle interior on or for windows B60Q3/208
• CPC Class Codes: B60Q 3/30 for compartments other than passenger or driving compartments, e.g. luggage or engine compartments
• CPC Class Codes: B60Q 3/745 using lighting panels or mats, e.g. electro-luminescent panels, LED mats
• CPC Class Codes: B60Q 7/00 Arrangement or adaptation of portable emergency signal devices on vehicles
• CPC Class Codes: F21S 10/02 changing colors F21S10/002 - F21S10/007, F21S10/04 take precedence
• CPC Class Codes: F21S 8/033 the surface being a wall or like vertical structure, e.g. building facade
• CPC Class Codes: F21S 8/04 intended only for mounting on a ceiling or the like overhead structures F21S8/02 takes precedence; details of ceiling bases F21V21/03
• CPC Class Codes: F21S 8/061 with a non-rigid pendant, i.e. a cable, wire or chain
• CPC Class Codes: F21S 9/03 rechargeable by exposure to light
• CPC Class Codes: F21V 23/0442 activated by means of a sensor, e.g. motion or photodetectors
• CPC Class Codes: F21V 33/0016 Furnishing for windows and doors sunshades F21V33/006
• CPC Class Codes: F21V 33/004 Sanitary equipment, e.g. mirrors, showers, toilet seats or paper dispensers
• CPC Class Codes: F21V 33/0052 Audio or video equipment, e.g. televisions, telephones, cameras or computers; Remote control devices therefor
• CPC Class Codes: F21V 33/006 General building constructions or finishing work for buildings, e.g. roofs, gutters, stairs or floors; Garden equipment; Sunshades or parasols
• CPC Class Codes: F21Y 2105/00 Planar light sources
• CPC Class Codes: F21Y 2113/10 of different colours
• CPC Class Codes: F21Y 2113/20 of different form
• CPC Class Codes: F21Y 2115/15 Organic light-emitting diodes [OLED]
• CPC Class Codes: F24D 19/06 Casings, cover lids or ornamental panels, for radiators
• CPC Class Codes: G04C 19/02 : by electric lamps
• CPC Class Codes: G04G 11/00 : Producing optical signals at preselected times
• CPC Class Codes: G04G 13/023 : Adjusting the duration or amplitude of signals
• CPC Class Codes: H05B 33/22 : characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers
• CPC Class Codes: H05B 45/60 : Circuit arrangements for operating LEDs comprising organic material, e.g. for operating organic light-emitting diodes [OLED] or polymer light-emitting diodes [PLED]
• CPC Class Codes: H05B 47/105 : in response to determined parameters
• CPC Class Codes: H05B 47/125 : by using cameras
• CPC Class Codes: H05B 47/16 : by timing means
• CPC Class Codes: H05B 47/165 : following a pre-assigned programmed sequence; Logic control [LC]
• CPC Class Codes: H05B 47/195 : the transmission using visible or infrared light
• CPC Class Codes: H10K 50/13 : comprising stacked EL layers within one EL unit
• CPC Class Codes: H10K 50/155 : comprising dopants
• CPC Class Codes: H10K 50/165 : comprising dopants
• CPC Class Codes: Y02B 20/30 : Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
• CPC Class Codes: Y02B 20/40 : Control techniques providing energy savings, e.g. smart controller or presence detection

Abstract

Organic light-emitting diodes as well as luminaires with such organic light-emitting diodes are specified. The luminaires may in particular be the following apparatuses, or the luminaires are part of existing apparatuses: alarm, shower cubicle, shower head, solar protection, rain protection, lamp, bed, signalling light, changing cubicle, vision protection, housing, emergency lighting, mirror, slabs, ceiling lights, radiator cladding, blinds, noise protection, umbrella, warning light.

Claims

1. A luminaire with wake-up function comprising:

at least one transparent, pellucid organic light-emitting diode;

at least one driving device; and

at least one touch-sensitive operating element,

wherein

the at least one organic light-emitting diode is configured to emit white light,

the at least one organic light-emitting diode comprises a radiation-emitting region having a plurality of emission layers,

at least a first one of the emission layers is configured to emit red light and contains a phosphorescent emitter material,

at least a second one of the emission layers is configured to emit green light,

at least a third one of the emission layers is configured to emit blue light and contains a fluorescent emitter material,

the at least one organic light-emitting diode comprises at least one encapsulation which forms a seal of the radiation-emitting region against environmental influences,

the at least one driving device is configured to increase the light intensity of the light emitted by the luminaire starting from a predeterminable wake-up time,

the at least one touch-sensitive operating element comprises at least one touch sensor integrated into the at least one organic light-emitting diode,

the wake-up time can be predetermined by means of the at least one touch-sensitive operating element and

the luminaire is configured to emit light with a maximum light intensity of at least 1000 cd.

2. The luminaire according to claim 1,

wherein the driving device is configured to increase the light intensity of the light emitted by the luminaire in steps starting from the wake-up time, wherein, for predeterminable times, the luminaire generates light having a constant light intensity, which is increased in predeterminable time intervals.

3. The luminaire according to claim 1, wherein the luminaire is configured to generate white light having color temperatures of at least 4000 K and at most 25 000 K, and the driving device is configured to increase the color temperature of the light emitted by the luminaire.

4. The luminaire according to claim 1, wherein the driving device is configured to increase the light intensity and also the color temperature of the light generated by the luminaire during operation, wherein the color temperature is increased as the light intensity is increased.

5. The luminaire according to claim 1, wherein the luminaire is configured to simulate a sunrise in time-lapse fashion.

6. The luminaire according to claim 3, wherein the luminaire is subdivided into a multiplicity of segments which can be driven independently of one another and are configured to emit electromagnetic radiation having different wavelengths.

7. The luminaire according to claim 1, wherein the at least organic light-emitting diode is a organic light-emitting diode which emits on both sides.

8. The luminaire according to claim 1, wherein at least one of the emission layers comprises a hole transporting matrix material and an electron transporting matrix material.

9. A luminaire comprising at least one organic light-emitting diode as light source, wherein

the organic light-emitting diode comprises a plurality of functional layers which comprise at least one radiation-emitting region in which electromagnetic radiation is generated during the operation of the organic light-emitting diode, wherein the organic light-emitting diode generates electromagnetic radiation in the spectral range from infrared radiation to UV radiation during operation,

the organic light-emitting diode comprises at least one encapsulation which forms a seal of the functional layers of the organic light-emitting diode against environmental influences, and

the luminaire forms one of the following devices or is at least part of one of the following devices:

alarm clock, shower cubicle, shower head, solar protection, rain protection, lamp, bag, signaling light, changing cubicle, vision protection, housing, emergency lighting, mirror, tile, ceiling light, radiator cladding, louver, noise protection, umbrella, warning light.

10. The luminaire according to claim 9, wherein the encapsulation comprises a thin-film encapsulation, which covers the functional layers in places, wherein the encapsulation comprises an adhesive layer, which is formed with a radiation-transmissive adhesive and covers the thin-film encapsulation at its side facing away from the functional layers, and wherein

a glass plate is fixed to the thin-film encapsulation by means of the adhesive layer.

11. The luminaire according to claim 10, wherein the thin-film encapsulation comprises oxide layers and/or nitride layers.

12. The luminaire according to claim 10, wherein the thin-film encapsulation is applied by means of a PECVD method.

13. The luminaire according to claim 9, wherein the encapsulation comprises at least one first encapsulation layer and at least one second encapsulation layer, which form an encapsulation layer sequence, wherein the second encapsulation layer is produced by means of atomic layer deposition.

14. The luminaire according to claim 13, wherein the first encapsulation layer comprises an oxide, a nitride or an oxynitride comprising at least one of the following materials:

aluminum, silicon, tin, zinc, titanium, zirconium, tantalum, niobium or hafnium.

15. The luminaire according to claim 9, wherein the encapsulation comprises a connecting means, which laterally completely encloses the functional layers, wherein the connecting means is a glass solder material, a glass fritte material or an adhesive.

16. The luminaire according to claim 9, wherein the encapsulation comprises a diffusion barrier, which is deposited on side areas of the organic light-emitting diode.

17. The luminaire according to claim 16, wherein the diffusion barrier is formed with amorphous SiO₂.

18. The luminaire according to claim 9, wherein the radiation-emitting region comprises a plurality of emission layers.

19. The luminaire according to claim 18, wherein

a first emission layer emits red light during operation,

a second emission layer emits green light during operation, and

a third emission layer emits blue light during operation.

20. The luminaire according to claim 19, wherein

the first emission layer contains a phosphorescent emitter material, and

the third emission layer contains a fluorescent emitter material.

21. The luminaire according to claim 19, wherein

the first emission layer emits red light during operation and is formed with Ir(DBQ)₂acac (iridium(III)bis(2-methyldibenzo-[f,h]quinoxaline)(acetyl acetonate)) as emitter material,

the second emission layer emits green light during operation and is formed with Irppy (fac-tris(2-phenylpyridyl)iridium) as emitter material, and

the third emission layer emits blue light during operation and is formed with DPVBi (4,4′

-bis(2,2-diphenylethen-1-yl)diphenyl) as emitter material.