WO2016124594A1 - Lichtemittierende vorrichtung und verfahren zur herstellung einer lichtemittierenden vorrichtung - Google Patents
Lichtemittierende vorrichtung und verfahren zur herstellung einer lichtemittierenden vorrichtung Download PDFInfo
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- WO2016124594A1 WO2016124594A1 PCT/EP2016/052179 EP2016052179W WO2016124594A1 WO 2016124594 A1 WO2016124594 A1 WO 2016124594A1 EP 2016052179 W EP2016052179 W EP 2016052179W WO 2016124594 A1 WO2016124594 A1 WO 2016124594A1
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- layer
- radiation
- optical structures
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- decoupling
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
- H10K59/875—Arrangements for extracting light from the devices
- H10K59/879—Arrangements for extracting light from the devices comprising refractive means, e.g. lenses
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/85—Arrangements for extracting light from the devices
- H10K50/854—Arrangements for extracting light from the devices comprising scattering means
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/85—Arrangements for extracting light from the devices
- H10K50/858—Arrangements for extracting light from the devices comprising refractive means, e.g. lenses
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
- H10K59/875—Arrangements for extracting light from the devices
- H10K59/877—Arrangements for extracting light from the devices comprising scattering means
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K77/00—Constructional details of devices covered by this subclass and not covered by groups H10K10/80, H10K30/80, H10K50/80 or H10K59/80
- H10K77/10—Substrates, e.g. flexible substrates
- H10K77/111—Flexible substrates
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2101/00—Properties of the organic materials covered by group H10K85/00
- H10K2101/80—Composition varying spatially, e.g. having a spatial gradient
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
- H10K2102/301—Details of OLEDs
- H10K2102/311—Flexible OLED
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/85—Arrangements for extracting light from the devices
- H10K50/852—Arrangements for extracting light from the devices comprising a resonant cavity structure, e.g. Bragg reflector pair
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
- H10K59/875—Arrangements for extracting light from the devices
- H10K59/876—Arrangements for extracting light from the devices comprising a resonant cavity structure, e.g. Bragg reflector pair
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Definitions
- Organic light emitting diodes are typical
- Forward direction has. This can, for example, for the implementation of a concrete light planarization or
- Glare be beneficial.
- One task is to provide a device with flexibility
- a device has at least one organic component which, in the
- the device may comprise a substrate and an organic functional layer stack disposed on the substrate.
- the functional layer stack can be a
- the functional layer stack has a first one
- Charge transport layer such as a hole transport layer executed organic layer
- a second charge transport layer such as a hole transport layer executed organic layer
- Charge transport layer about as one
- Electron transport layer formed organic layer, on. In the vertical direction can be between the
- Charge transport layers can be arranged an active organic layer, which during operation of the device
- the device is an organic light emitting diode (OLED).
- OLED organic light emitting diode
- Main extension area of the organic active layer is directed.
- the main extension surface may be flat or curved. Under a lateral
- Direction is understood to mean a direction which runs in particular parallel to the main extension plane of the organic active layer. Locally, the vertical direction and the lateral direction are transverse to each other, for example, directed perpendicular to each other.
- the substrate is preferably one
- the substrate can be flexible,
- the substrate may contain or consist of glass or a vitreous material.
- the substrate has a first main surface facing away from the functional layer stack, which serves, for example, as a radiation exit surface of the component. According to at least one embodiment of the device, this has a decoupling layer.
- the decoupling layer can be embedded in the substrate.
- the decoupling layer may be arranged as a separate layer on the side of the first main surface of the substrate or spaced from the device spatially. That is, the coupling-out layer may be in terms of organic
- Component be designed as an internal or external Auskoppel für.
- An external coupling-out layer is, for example, a separate layer which
- the prefabricated, external coupling-out layer can be formed, for example, as a foil, which is applied to the component.
- the decoupling layer of the device can be in one piece or in several pieces
- the device it is also possible for the device to have both an internal subarea of the decoupling layer and an external subarea of the decoupling layer
- the decoupling layer may include a plurality of optical signals
- the optical structures may be scattering centers, such as scattering particles, or elevations or depressions of a surface of the coupling-out layer.
- the optical structures can be further configured as microlenses.
- this device has a non-Lambertian in operation Radiation distribution curve on. To generate the non-Lambert radiation distribution curve, the
- Decoupling layer the radiation passing through them, in particular by means of the optical structures along a lateral direction varying optically, that is, for example, locally different optically.
- the radiation passing through the coupling-out layer is scattered or deflected by the optical structures.
- a radiation distribution curve of a Lambertian radiation distribution curve of a Lambertian radiation distribution curve
- Lambertian radiator or an approximately Lambertian radiator understood in which a directional characteristic, in particular the intensity, is directly proportional to the cosine of an observation angle. Such a radiator appears equally bright at all viewing angles, that is, in particular with the same luminance.
- a non-Lambert radiation distribution curve is understood to mean a curve that is of the shape of a cosine curve
- the device has a
- Radiation distribution curve takes the form of a cos n ( ⁇ ) curve and n is a number greater than 1, about greater than 1.2 or 1.5.
- n is a number between
- the angle ⁇ is, for example, at an interval between -90 ° and + 90 °.
- the device has at least one organic component and one outcoupling layer.
- the at least one organic Component emits electromagnetic radiation during operation.
- the decoupling layer contains optical structures.
- Decoupling layer the radiation passing through them by means of the optical structures varying along a lateral direction optically influenced.
- Overall radiation characteristic of the device is thus determined in particular by the nature of the decoupling layer, in particular by the distribution of the optical structures of the decoupling layer.
- a desired radiation distribution curve of the device can thus be flexibly adjusted by means of a suitable design of a decoupling layer produced in particular separately from the component, whereby a factory flexibility in the
- Blending blades are dispensed with, causing the
- the device can be made particularly thin.
- the at least one organic component has an optical component
- the organic component alone owing to its optical cavity, can already have an emission characteristic with a radiation distribution curve that deviates from the Lambertian radiation distribution curve.
- Adjustment of the optical cavity can be realized, for example, by matching refractive indices of the adjacent layers of the device.
- the decoupling layer has a lateral direction
- the decoupling layer can thereby provide a gradient with respect to a local scattering effect or a local directional effect of the coupling-out layer.
- Decoupling take different values. Also, several organic components can be different
- Partial regions of the decoupling layer are assigned to a total area, such as an overall light exit surface, the device are assembled.
- Decoupling layer can be characterized by the distribution of characteristic quantities such as the concentration, the geometric Sizes or material composition. In this case, the shapes of the optical structures can be designed differently.
- Decoupling layer with respect to their concentration can lead to a local change of the scattering effect or the
- a distribution of the optical structures varies locally with respect to their average size.
- the average size is an average value of the geometrical sizes of the structures in a given volume unit or area unit.
- the geometric size of the structures can be a vertical height, a lateral width, a
- Decoupling layer have a gradient with respect to the average size of the optical structures along a spatial direction, approximately along the lateral direction.
- a material composition of the optical varies
- optical structures locally, approximately along the lateral direction.
- the respective optical structures or groups of optical structures may be formed of different materials. This can be different Scattering effects or different
- Decoupling layer can be achieved.
- the decoupling layer is formed at least regionally or in total as a scattering layer.
- the optical structures of the scattering layer can be scattering particles.
- the locally different scattering effects of the coupling-out layer can be achieved by locally changing a concentration of the scattering particles in the coupling-out layer.
- a geometric size, such as a mean diameter, of the scattering particles may vary locally.
- a material composition of the scattering particles that is one
- the scattering particles can be varied in the litter layer.
- the scattering particles may be partially made of titanium oxide, such as titanium dioxide, and partially out
- Zirconia such as zirconia, or partially formed of another other material.
- the decoupling layer is formed at least regionally or in total as a microlens layer.
- the optical structures may be microlenses. With a microlens layer, a variation of the local directional effect of the
- Decoupling layer can be achieved in a simplified manner.
- the microlenses may be designed to be
- the microlenses can have different geometric sizes, such as diameter, height or width. Also, a surface occupancy of the different optical structures may be different. For example, areas covered by the different microlenses may be different in size. Also, a concentration of the microlenses may vary along the lateral direction. Furthermore, the microlenses can have different shapes or focal lengths, so that the directional effect of the coupling-out layer is local
- Directional effect of the decoupling layer can also be achieved by combinations of the changes of the shapes, geometric sizes and / or the respective different surface coverage of the optical structures.
- the decoupling layer can be formed as a film.
- the film is separate from the organic compound
- the coupling-out layer can be prefabricated and arranged, for example, on the organic component.
- a film is understood in particular to mean a self-supporting layer whose vertical height is many times smaller than its lateral extent, for example at least 5 times, at least 10 times, at least 50 times or
- the film is a layer which is flexible under the action of its own weight.
- the at least one organic component is flexible, for example elastically flexible.
- the substrate of the organic component is formed of a flexible, in particular of an elastic material.
- the organic component may thus have a curved shape, whereby a directed
- this device has a plurality of organic components.
- the organic components are in particular spatially laterally spaced.
- the organic components are arranged obliquely to each other.
- the coupling-out layer can have a plurality of spatially objectionable partial areas.
- the subregions of the coupling-out layer can each be assigned to an organic component. It is also possible for the coupling-out layer to be continuous and for the spatially-spaced organic components to be arranged at different subareas of the coupling-out layer.
- the organic components can be rigid or flexible.
- the subregions of the decoupling layer can thereby be thereby.
- the subregions can also have a gradient at least in regions with regard to the scattering effect and / or the directional effect.
- Decoupling layer be arranged so that the local
- Decoupling layer are executed. In particular, it is changing the scattering effect or the directional effect at least
- the total area can be curved, in particular semi-cylindrical, executed, wherein the total area may be contiguous or multi-part and discrete.
- the subregions of the decoupling layer can be configured in regions as a scattering layer and in regions as a micro-optic layer. It is also possible that all subregions of the coupling-out layer are each formed as a scattering layer or in each case as a micro-optic layer.
- the at least one organic component has a roughened radiation exit surface whose roughness is local
- the radiation exit area can be formed by a surface of the substrate of the component or by a surface of the decoupling layer. It is also possible for the coupling-out layer to be formed as the substrate of the component. The optical structures of the decoupling layer can thus partially by the
- roughened radiation exit surface can thus for variation the scattering effect and / or the directional effect of the decoupling contribute.
- At least one organic component is provided which emits electromagnetic radiation during operation.
- An outcoupling layer having a plurality of optical structures is formed, so that the
- Decoupling layer the radiation passing through them by means of the optical structures varying along a lateral direction optically influenced.
- the radiation distribution curve is to be considered in particular globally. Locally, a Lambertian and / or a non-Lambertian characteristic can be generated in regions by the coupling-out region. This means that the global non-Lambert radiation distribution curve in particular a superposition of local
- Radiation distribution curves can differ from each other. To generate varying local
- the coupling-out layer can be formed as a scattering layer.
- the optical structures can through Stray particles are formed.
- the scattering particles are introduced into the decoupling layer by means of a printing process, for example by means of inkjet printing, in order to form the optical structures.
- the scattering particles are formed in the coupling-out layer in such a way that the coupling-out layer has a gradient with regard to
- the coupling-out layer can be used as a
- Micro lens layer may be formed.
- the optical structures may be microlenses, wherein the optical structures are formed for example by means of an embossing process, in particular by means of a thermal embossing process.
- the decoupling layer is formed in the form of a film.
- Decoupling layer can be separated from the organic
- Decoupling layer can under thermal action or by means of a bonding layer on the organic
- a radiation exit surface of the organic component is structured so that the radiation exit surface varies locally, in particular along the lateral direction
- the method described in the present application is particularly suitable for the production of a device described above. In connection with the Device described features can therefore be used for the process and vice versa.
- FIGS 1 to 3 are schematic representations of various components
- FIG. 4 shows a schematic illustration of a device having a plurality of organic components
- Figure 8 is a schematic representation of another
- FIGS. 10A to IIB are schematic representations of
- the same, similar or equivalent elements are provided in the figures with the same reference numerals.
- the figures are each schematic representations and therefore not necessarily to scale. Rather, comparatively small elements and in particular layer thicknesses for
- FIG. 1 shows a device 100 with a component 10 and a decoupling layer 3.
- the component 10 is
- the component 10 has a substrate 1 and a functional layer stack 2 arranged on the substrate.
- the functional layer stack has an organic active layer 23.
- the active layer 23 emits, for example, an electromagnetic during operation of the device
- the layer stack 2 also contains a first charge transport layer 21 and a second one
- Layer 23 is disposed between the first charge transport layer 21 and the second charge transport layer 22.
- the component 10 has a radiation exit surface 11.
- the radiation exit surface 11 is formed by a surface of the substrate 1 facing away from the layer stack 2.
- the decoupling layer 3 is arranged on the side of the radiation exit surface 11 on the component 10.
- the decoupling layer 3 has a plurality of optical structures 31.
- the decoupling layer 3 has a vertically extending center axis M. In particular, the central axis M passes through a geometric
- the coupling-out layer 3 is designed in particular as a scattering layer.
- the optical structures 31 are in particular scattering particles.
- the coupling-out layer 3 has a gradient with respect to a local scattering effect of the coupling-out layer 3, approximately from the central axis M along a lateral direction, for example as far as a lateral edge region of the coupling-out layer 3.
- the gradient has a continuous course.
- decoupling layer 3 has a gradient along the lateral direction from central axis M to an edge region, in particular with a continuous one
- the organic component shown in Figure 1 has an optical cavity, due to which the device 10 electromagnetic radiation in a directed
- the substrate 1 is radiation-transmissive, through which the substrate is generated by the active layer 23 during operation of the component electromagnetic radiation passes. This is a so-called bottom emitter.
- the device may be formed as a top emitter and / or as a flexible, such as flexible component.
- the substrate is particular
- the substrate is, for example, a metal foil.
- the coupling-out layer 3 can then be arranged on a side of the layer stack 2 facing away from the substrate. Between the layer stack 2 and the
- Decoupling layer 3 may be a transparent
- Encapsulation layer may be arranged.
- the scattering effect of the decoupling layer is lowest and can go to zero.
- the device 100 has a local in this area
- the device thus changes from the central axis M along the radial direction to the edge regions of the
- the radiation characteristic of the device 100 can be made flexible by means of a suitable design of the optical structures 31 in a given device 10, whereby a factory flexibility in the setting of different
- FIG. 2 shows a further exemplary embodiment of a device. This embodiment
- the organic component 10 is flexible.
- the component 10 is flexible, in particular elastically flexible
- the device 10 has a curved
- Radiation exit surface 11 which, for example, by a functional layer stack 2 facing away
- the coupling-out layer 3 is arranged on the radiation exit surface 11 and in particular adjoins the radiation exit surface 11.
- the radiation exit surface 11 is concavely curved.
- the component 10 may take the form of a
- Component can be a specially directed
- FIG. 3 shows a further exemplary embodiment of a device which essentially corresponds to the exemplary embodiment illustrated in FIG. In contrast to Figure 1, in which the device 100 is an external
- decoupling layer 3 as an inner Outcoupling 3 executed. While in FIG. 1 the decoupling layer 3 is arranged on the radiation exit surface 11 and thus outside of the organic component 10, the optical structures 31 according to FIG. 3 are embedded in the substrate 1 of the component 10. It is also possible to arrange the decoupling layer 3 between the substrate 1 and the layer stack 2, for instance between the substrate and the first charge transport layer 21. Apart from that, it is also possible for the device 100 to have both an internal decoupling layer 3 and an external decoupling layer 3
- FIG. 4 shows a device 100 with a plurality of organic components 10.
- the decoupling layer 3 has a plurality of spaced-apart
- Subareas 30 on. The partial regions 30 are each assigned to an organic component 10.
- the components 10 are in particular designed as rigid components.
- Scattering of the coupling-out layer 3 can be in discrete
- Component 10 is assigned, the smallest scattering effect, which can go to zero.
- the organic components 10, in particular the mutually adjacent organic components 10, are arranged at an angle to each other. They thus form a three-dimensional arrangement of the components 10. Together they form, for example, a geometric shape which is similar to a half-cylinder. From the central axis M up to a lateral edge region of the coupling-out layer 3, the partial regions 30 have increasing scattering effect.
- the components 10 may have a forward direction in the radiation characteristic due to their respective optical cavity. Because of the bigger
- the device 100 described in FIG. 4 thus has one
- the organic component 10 has a roughened radiation exit surface 11 whose roughness varies locally. Unlike in Figure 1, in which the local
- the local variation of the scattering effect can also by varying the roughness of the
- Radiation exit surface can be achieved.
- a combination of the variation of the roughness and the variation of the design of the scattering particles is also possible.
- the exemplary embodiment of a device illustrated in FIG. 6 substantially corresponds to the exemplary embodiment illustrated in FIG.
- the decoupling layer 3 has a locally varying
- the decoupling layer is a micro-optic layer, such as a microlens layer formed, wherein the optical structures 31 may be microlenses.
- the optical structures 31 may be microlenses.
- the device 10 has an optical cavity that emits light directed from the front.
- the device 10 may be, for example, a Lambert radiator. Due to the coupling-out layer 3, however, the device has a non-Lambertian
- the different local directional effect of the micro-optic layer can, for example, by different
- Configuration of the microlenses in terms of their shapes, focal lengths, geometric sizes such as heights and widths or in terms of the area occupancy of the respective microlenses or combinations thereof can be achieved.
- Area occupation are for example the density and / or
- the decoupling layer 3 shown in FIG. 6 has a central region M along the lateral direction as far as an edge region of the decoupling layer 3
- the coupling-out layer 3 thus has a gradient with regard to the directional effect along a radial direction.
- the device shown in FIG. 7 has a flexible component 10 analogous to FIG.
- the coupling-out layer 3 with the microlenses is curved
- the decoupling layer 3 of FIG. 7 has a continuous gradient profile with respect to the directional effect along the lateral direction, at least in regions.
- spaced components 10 substantially corresponds to the embodiment shown in Figure 4. in the
- Decoupling layer 3 of the device 100 in each case at least partially a gradient with respect to a local directional effect of the subregions 30 and the decoupling layer 3 on. It is also possible that
- Decoupling layer 3 may include portions 30, for example, have a gradient with respect to the scattering effect, and include further portions 30, the
- FIG. 9 shows various radiation distribution curves K and K1 to K4.
- the curves describe the radiation intensity I per angular unit ⁇ .
- the curve Kl corresponds to a Cos ( ⁇ ) distribution and thus one
- the curves K2, K3 and K4 are cos ⁇ ( ⁇ ), cos ⁇ ( ⁇ ) and cos ⁇ ( ⁇ ) curves, respectively.
- the curve K represents a radiation distribution curve of a white organic light emitting diode as one
- FIG. 10A shows a device 100 with three organic components 10. The middle
- arranged organic device 10 has a Lambertian or lambert-like radiation distribution curve.
- Section 30 has no or very low scattering effect or directional effect.
- the outer two organic devices 10 may each have a Lambertian or Lambert-like radiation distribution curve.
- partial regions 30 are locally optically differently influenced so that the outer components 10 with the associated partial regions 30 each generate a non-Lambert radiation distribution curve.
- the three organic components 10 each have one
- Component 10 with the radiation exit surfaces 11 of the outer organic components 10 each one
- obtuse angle approximately at an angle of 225 °, forms.
- FIG. 10B shows a radiation distribution of the device 100 described in FIG. 10A. Dark shades of gray correspond to a higher one in FIG. 10B
- Radiation intensity is on the central axis. Starting from the central axis M, the radiation intensity falls in each direction perpendicular to the central axis M in particular continuously, but at different speeds. Along a lateral direction, at which the components 10
- Device 100 is particularly suitable, for example, for illuminating a rectangular object with different length and width.
- the object is a
- Component 10 forms with the radiation exit surfaces 11 of the outer organic components 10 each one
- FIG. IIB shows a radiation distribution of the device 100 described in FIG. IIA.
- the maximum of the radiation intensity is on the central axis M, wherein the radiation intensity, starting from the central axis M in all perpendicular to the central axis M in the directions
- Such a device 100 is for example for a focusing of
- Light bundle such as a spotlight, particularly suitable.
- the decoupling layer 3 can also have subregions 30 with locally varying scattering effect or subregions 30
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Abstract
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE112016000632.2T DE112016000632A5 (de) | 2015-02-05 | 2016-02-02 | Lichtemittierende vorrichtung und verfahren zur herstellung einer lichtemittierenden vorrichtung |
| US15/543,931 US11196027B2 (en) | 2015-02-05 | 2016-02-02 | Light-emitting apparatus and method for producing a light-emitting apparatus |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015101683.4 | 2015-02-05 | ||
| DE102015101683.4A DE102015101683A1 (de) | 2015-02-05 | 2015-02-05 | Lichtemittierende Vorrichtung und Verfahren zur Herstellung einer lichtemittierenden Vorrichtung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2016124594A1 true WO2016124594A1 (de) | 2016-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2016/052179 Ceased WO2016124594A1 (de) | 2015-02-05 | 2016-02-02 | Lichtemittierende vorrichtung und verfahren zur herstellung einer lichtemittierenden vorrichtung |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US11196027B2 (de) |
| DE (2) | DE102015101683A1 (de) |
| WO (1) | WO2016124594A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110010788A (zh) * | 2017-12-22 | 2019-07-12 | 乐金显示有限公司 | 柔性显示装置 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7699003B2 (ja) * | 2021-07-13 | 2025-06-26 | 株式会社ジャパンディスプレイ | 表示装置 |
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2016
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- 2016-02-02 US US15/543,931 patent/US11196027B2/en active Active
- 2016-02-02 DE DE112016000632.2T patent/DE112016000632A5/de not_active Ceased
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110010788A (zh) * | 2017-12-22 | 2019-07-12 | 乐金显示有限公司 | 柔性显示装置 |
| US10867532B2 (en) | 2017-12-22 | 2020-12-15 | Lg Display Co., Ltd. | Flexible display device that prevents difference in the viewing angle between the bend portion and flat portion |
| CN110010788B (zh) * | 2017-12-22 | 2021-07-30 | 乐金显示有限公司 | 柔性显示装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102015101683A1 (de) | 2016-08-11 |
| US11196027B2 (en) | 2021-12-07 |
| US20170358777A1 (en) | 2017-12-14 |
| DE112016000632A5 (de) | 2017-11-02 |
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