WO2016150810A1 - Verfahren zur herstellung eines lichtemittierenden bauelements und lichtemittierendes bauelement - Google Patents
Verfahren zur herstellung eines lichtemittierenden bauelements und lichtemittierendes bauelement Download PDFInfo
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- WO2016150810A1 WO2016150810A1 PCT/EP2016/055797 EP2016055797W WO2016150810A1 WO 2016150810 A1 WO2016150810 A1 WO 2016150810A1 EP 2016055797 W EP2016055797 W EP 2016055797W WO 2016150810 A1 WO2016150810 A1 WO 2016150810A1
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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
- H10K59/10—OLED displays
- H10K59/19—Segment displays
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- 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
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/844—Encapsulations
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- 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
- H10K59/10—OLED displays
-
- 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
-
- 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
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- 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
- H10K2102/302—Details of OLEDs of OLED structures
- H10K2102/3023—Direction of light emission
- H10K2102/3026—Top emission
-
- 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
- H10K2102/351—Thickness
Definitions
- a method for producing a light-emitting component with at least two laterally arranged regions of different optical thickness is specified.
- the light-emitting component may, for example, be a light-emitting diode, in particular an organic light-emitting diode (OLED), or both together.
- OLED organic light-emitting diode
- the light-emitting component extends in a vertical direction between a first main plane and a second main plane, wherein the vertical direction may extend transversely or perpendicularly to the first and / or second main plane.
- the main levels may be
- the bottom surface and / or the top surface may be a
- the light emitting device is in lateral direction, that is, for example, at least in places parallel to the main planes, expanded flat and has a thickness in the vertical direction, which is small compared to a maximum extent of the light-emitting device in the lateral direction.
- a carrier layer is provided.
- the carrier layer forms, for example, the bottom surface of the light-emitting component.
- it is in the
- Carrier layer around a mechanically supporting structure of the light emitting device is Carrier layer around a mechanically supporting structure of the light emitting device.
- the carrier layer comprises a substrate of the light-emitting component.
- the substrate is, for example, a glass substrate containing or consisting of a glass, or a polymer substrate containing or consisting of a plastic such as a polymer.
- the substrate may in particular be formed milky transparent or clear transparent.
- the substrate may be designed to be flexible, for example.
- the substrate may, for example, a metal foil, a
- Plastic film and / or a thin glass or consist of one of these films e.g., polyimide films.
- a first electrode layer is applied to the carrier layer.
- the first electrode layer is made of an electrically conductive material, such as a metal or an oxide, or contains such a material.
- Electrode layer for example, by means of a
- the first electrode layer is transparent, for example.
- the first electrode layer may comprise a transparent conductive oxide.
- Transparent conductive oxides are
- metal oxides such as zinc oxide, tin oxide, cadmium oxide,
- ITO indium tin oxide
- the first electrode layer comprises, for example, nanowire structures.
- a layer sequence for generating light is applied to the first electrode layer.
- the layer sequence after this step covers, in particular, a surface of the first electrode layer facing away from the bottom surface of the light-emitting component.
- the layer sequence is designed to generate light during operation of the light-emitting component, in particular in one or more active regions. In this case, white or colored light can be generated in the layer sequence.
- the layer sequence includes in this context, for example, organic layers.
- the light-emitting component may then in particular be an organic light-emitting diode.
- a second electrode layer is applied to the layer sequence.
- the second electrode layer is applied in such a way that the second electrode layer is arranged without contact with the first electrode layer.
- the second electrode layer consists of an electrically conductive material or contains such a material.
- the second electrode layer may, for example, also be transparent.
- the second electrode layer can be applied to the layer sequence analogously to the first electrode layer by means of a physical vapor deposition process.
- Electrode layer covered after this step in particular a surface of the layer sequence facing away from the bottom surface of the light-emitting component.
- the at least one layer structured to influence the optical thickness may be the first electrode layer, at least one layer of the layer sequence, the second one
- Electrode layer or act on the substrate In particular, a combination of a structuring of several of these layers is conceivable.
- Influencing the optical thickness in the first region may include, for example, introducing an additional layer in this region.
- the structuring may further comprise at least partial removal or at least partial deformation of the at least one layer in this region.
- the structuring may in this context be, in particular, a separate step, which is carried out by way of example after the application of the respective layer. Alternatively or additionally, the structuring can also take place during the
- a carrier layer which comprises a substrate.
- a first electrode layer, a layer sequence for generating light and a second electrode layer are applied to the carrier layer. At least one layer is used to influence the optical thickness in a first region of the light-emitting component
- the radiation characteristics of the light-emitting device in the respective areas may be
- the first region and the further region are laterally arranged, for example adjacent, so that for a viewer of the light-emitting device from at least one direction, such as the vertical direction, a lateral with respect to the light-emitting device
- the different appearance of the first area and the wider area results, for example, depending on an operating state of the light-emitting device.
- the different appearance of the respective regions of the light-emitting component can also be independent of an operating state of the light-emitting component.
- the appearance for the viewer is also dependent on a lateral sequence of regions of different optical thickness.
- the lateral sequence results in a laterally extending surface piece of the light-emitting component Abstrahl characterizinga, which differs from those of the remaining light emitting device, in particular of a
- an intermediate layer is introduced into the layer sequence for influencing the optical thickness of the first region.
- the intermediate layer extends laterally over the first region.
- the intermediate layer is in particular
- the intermediate layer may be a metal layer, for example a
- Material such as aluminum contains or consists of this.
- the intermediate layer is in this context in the vertical direction in particular surrounded by material of the
- the intermediate layer has a thickness in the vertical direction that is small compared to a thickness of the layer sequence in the vertical direction.
- the thickness of the intermediate layer may be in this context
- the intermediate layer has, for example, the effect that, in an off state of the light-emitting component, a color angle profile for the viewer of the light-emitting component adjusts in the respective region over which the intermediate layer extends laterally.
- a perceived by the viewer color of each area is dependent on an angle that the
- Viewer includes with a light exit surface of the respective region of the light-emitting device.
- a light-emitting Component are particularly easy and inexpensive to manufacture.
- a thickness in the vertical direction becomes at least one
- Layer formed in the first region different from a thickness in the vertical direction of the respective layer in the wider region.
- the different thickness in the vertical direction has the effect, for example, that for the viewer a brightness and / or color of the respective
- Areas are different from each other. For example, this is achieved by different paths of light radiating through the respective layer, so that it can be used, for example, at different wavelengths of light
- a growth rate for applying the respective layer in the first region is different from a growth rate for applying the respective layer in the other
- the thickness of the respective layer in the vertical direction can be varied laterally in a particularly simple manner, that is to say in particular without additional method steps, in order to produce the said structuring.
- the growth rate in the first region may be inhibited.
- a travel speed in inline evaporators for applying the layer sequence can be changed depending on the respective area, for example by a factor of 2.
- the at least one layer becomes in the first region
- the thickness of the respective layer can be varied laterally in the vertical direction in a particularly cost-effective manner
- a surface of the respective layer can be acted upon by coherent radiation, for example by a laser.
- coherent radiation for example by a laser.
- the surface of the respective layer can be acted upon by coherent radiation, for example by a laser.
- each layer mechanically structured, for example by means of sandblasting or "Embossing", ie an embossing or stamping process.
- an auxiliary layer is formed on one of the carrier layer
- the auxiliary layer forms, for example, the
- Auxiliary layer may be formed as a single layer or as a multilayer.
- the auxiliary layer or a sub-layer thereof may be formed as a protective layer, which protects the light-emitting component, for example against mechanical damage and / or hermetically seals.
- Partial layer thereof may further be formed as a bonding layer for a material-bonding connection, such as between an electrode layer and a substrate.
- the auxiliary layer or a sub-layer thereof may further include a
- Thin-film coating include or be designed as a so-called "cavity encapsulation", ie an encapsulation with a glass cavity
- a material such as SiNOx and ATO (for example AlOx / TiOx) or have such.
- the auxiliary layer or a sub-layer thereof may
- auxiliary layer or a sub-layer thereof may further be used as a mirror layer for the layer sequence in the
- the light-emitting component is, for example, a so-called “bottom emitter.”
- the light-emitting component is a so-called “top emitter” or a so-called “bottom emitter”
- the auxiliary layer or a sub-layer thereof may be light-scattering in this context.
- the auxiliary layer comprises a substrate.
- the substrate is, for example, a glass substrate or a polymer substrate.
- the substrate is transparent.
- the substrate may be formed, in particular, analogously to the substrate assigned to the carrier layer.
- a first microcavity structure is formed on a surface of the substrate in the first region
- the surface of the substrate is in particular a
- the substrate assigned to the carrier layer and / or the substrate assigned to the auxiliary layer may have the first microcavity structure.
- the surface of the substrate can be acted upon by coherent radiation, for example by a laser.
- the surface of the substrate for example, be mechanically structured, such as by sandblasting or
- the first region with the first microcavity structure may be a surface element having a lateral sequence of sections of the surface element
- the appearance of the first area is influenced by the viewer in particular by the lateral sequence of the sections.
- the first area comprises a multiplicity of laterally adjacent sections of different optical thickness.
- the lateral sequence of the sections in the first area differs in particular from a laterally adjacent further area of the light-emitting component, so that the respective areas can also be referred to as areas of different optical thickness.
- a lateral extent of the sections may be for example between 40ym and 50ym, in particular during embossing. Furthermore, the lateral extent of the sections can be 10ym, in particular when the surface of the substrate is exposed to coherent radiation.
- the second microcavity structure can be formed, for example, with a microlaser.
- the first region with the second microcavity structure may be a surface element having a lateral sequence of sections of the surface element
- the appearance of the first area is influenced by the viewer in particular by the lateral sequence of the sections.
- the first area comprises a multiplicity of laterally adjacent sections of different optical thickness.
- the lateral sequence of the sections in the first area differs in particular from a laterally adjacent further area of the light-emitting component, so that the respective areas can also be referred to as areas of different optical thickness.
- cuts can be between lym and 2ym.
- this allows a particularly sharp resolution of the appearance of a boundary of the first area for the viewer.
- the light-emitting component can be produced by a method according to the first aspect described here, so that all the features disclosed for the method are also disclosed for the light-emitting component, and vice versa.
- the light-emitting component has a carrier layer comprising a substrate.
- Component further comprises a first electrode layer, a layer sequence for generating light and a second electrode layer.
- Electrode layer the layer sequence and the second
- Electrode layer are arranged one above the other in the vertical direction.
- An optical thickness of at least one layer is in a first region of the light-emitting device different from an optical thickness of the respective one
- the layer sequence for generating light in all laterally arranged regions has the same composition. In particular, comes in all laterally arranged
- the layer sequence it is also possible for the layer sequence to generate light to extend without interruption over two of the laterally arranged regions, in particular over all of the laterally arranged regions. In this case, not every area is unique
- Layer sequence associated with the generation of light which by, for example, electrically insulating material of the
- Layer sequences for generating light of other areas is separated. Rather, in this case, two or more of the regions share a sequence of layers to produce
- the layer sequence comprises an intermediate layer for
- the intermediate layer extends laterally over the first area.
- the intermediate layer is in particular made of a metal such as
- the intermediate layer In the vertical direction, the intermediate layer is surrounded by material of the layer sequence.
- a thickness of the intermediate layer in the vertical direction is, for example, 2 nm.
- Interlayer is particularly transparent.
- a thickness in the vertical direction of at least one layer in the first region is different from a thickness in the vertical direction of the respective layer further
- the light-emitting component has an auxiliary layer comprising a substrate.
- the auxiliary layer is on a side facing away from the carrier layer of the
- the substrate may be formed, in particular, analogously to the substrate assigned to the carrier layer.
- a surface of the substrate in the first region has a first microcavity structure.
- Substrate in the first region is formed differently from a surface of the substrate in the wider region.
- Micro cavity structure can in this context a
- the surface of the substrate is, in particular, a light exit surface of the light-emitting component.
- a light exit surface of the light-emitting component For example, that associated with the carrier layer
- Substrate and / or the auxiliary layer associated substrate have the first micro cavity structure.
- the plurality of laterally adjacent sections in the first area in particular their lateral sequence, differs in particular from a laterally adjacent further area of the light-emitting component, so that the respective areas can also be referred to as areas of different optical thickness.
- the substrate has a second one in the first region
- the substrate is formed in the first region different from the substrate in the wider region.
- the first region with the second microcavity structure may comprise a multiplicity of laterally adjacent parts of
- the substrate assigned to the carrier layer and / or the substrate assigned to the auxiliary layer may be the second
- the plurality of laterally adjacent sections in the first area in particular their lateral sequence, differs in particular from a laterally adjacent further area of the area
- Areas can also be referred to as areas of different optical thickness.
- the regions of different optical thickness have the effect that in the operation of the light-emitting
- the regions of different optical thickness have the effect that in the operation of the light-emitting component in the respective regions, a color of the light-emitting
- Component differs emitted light.
- the regions of different optical thickness have the effect that in the operation of the
- a direction of light emitted by the light emitting device differs light.
- the regions of different optical thickness have the same
- the regions of different optical thickness have the
- the regions of different optical thickness have the effect of being outside an operation of the
- the regions of different optical thickness have the said effect, in particular independently of one another
- a number of the regions of different optical thickness is less than 100.
- the number of regions of different optical thickness is less than ten.
- individual areas can be perceived differentiated for the viewer.
- a color of light emitted by the light emitting device in the regions of different optical thickness is equal in each case in at least one direction.
- the appearance of the regions of the light-emitting component may for example be the same for the viewer from the at least one direction for different regions, even if the optical thickness of the regions differ from one another. For example, this can be achieved by path differences of light radiating through the respective layer in the at least one direction in the respective regions, which are an integral multiple of a wavelength corresponding to the color.
- the composition of the layer sequence for generating light may be the same in the regions of different optical thickness. This means that the same emitter materials are used in different areas. So it is with respect to the emitter material each area to
- a composition of at least one of the layers, in particular of all layers, in the regions different optical thickness equal.
- areas do not differ by additional layers and / or a different one
- the light-emitting component comprises at least two laterally arranged, separately operable ones
- the segments are, in particular, luminous segments of the light-emitting component with, for example, different brightnesses or shapes.
- the segments are for example with separate electrodes
- Amperages can be operated.
- at least one of the electrode layers has a
- Electrode layer is divided into separate electrodes.
- the segmentation pattern can be any
- segmentation pattern may be formed, for example, in the form of a grid in the manner of a polygonal grid.
- At least one region is assigned to at least one segment.
- a radiation characteristic of the at least one segment in the at least one region can thereby
- At least one segment at.
- Segment has different emission characteristics.
- the segment is associated with a plurality of regions of different optical thickness. The several areas are included
- an emission characteristic of regions of different optical thickness assigned to the segment during operation of the segment can be used with one
- Abstrahl characterizing be combined by the segment associated areas of different optical thickness out of operation of the segment. For example, this is done by means of a pulse width modulation in a control of the
- each segment is assigned exactly one area.
- this advantageously contributes to an improved perception of the segment.
- Figure 1 shows a first embodiment of a
- Figure 2 shows the light-emitting device according to Figure 1 in a schematic sectional view
- Figure 3 shows a second embodiment of a
- Component 1 is shown schematically with reference to FIG.
- the light-emitting component 1 comprises two separately operable segments la, lb, which are arranged laterally adjacent to each other. When operating one of the two segments 1a, 1b, the result for a viewer is, for example, the image of an arrow.
- the light-emitting component 1 has a carrier layer 2 comprising a substrate 3.
- the carrier layer 2 forms a bottom surface of the light-emitting device 1, by the light generated by the light-emitting component 1 emerges (so-called "bottom emitter")
- the carrier layer 2 is designed to be transparent in this context.
- the substrate 3 is, for example, a
- the light emitting device 1 has on one of
- the first electrode layer 5a is divided into two separate electrodes (not shown here in detail) for the separate operation of the segments 1a, 1b.
- the electrode layers 5a, 9 comprise, for example, a conductive oxide, metal or metal oxide such as, for example, aluminum, silver or indium tin oxide.
- the electrodes 9, 11 form cathode and anode for the electrical contacting of the light-emitting component 1.
- the first electrode layer 5a is particularly transparent.
- the first electrode layer 5a is formed from indium tin oxide (ITO) in this connection.
- ITO indium tin oxide
- the first electrode layer 5a is thin
- Metal layers metallic network structures or graphene.
- the light-emitting component 1 further includes, for example, electrical contact leads 21, which may be transparent or non-transparent.
- the electrical contact leads and / or the second electrode layer 9 comprise or consist of one of the following materials: molybdenum / aluminum (Mo / Al), molybdenum (Mo), chromium / aluminum / chromium (Cr / Al / Cr), silver / magnesium (Ag / Mg), aluminum (AI).
- the layer sequence 7 comprises organic semiconductor material, in particular organic layers for the emission of light, which contain an emitter material, and for the supply of
- the light-emitting component 1 is in particular an organic compound
- the light-emitting component 1 further comprises insulator layers 23, which is arranged in the vertical direction between the two electrode layers 5a, 9.
- the insulator layers 23 are formed, for example, of polyimide. In other embodiments, the insulator layers 23 may be dispensed with,
- the light-emitting component 1 in this exemplary embodiment has a coating 25.
- the coating 25 is, for example, a
- TFE Thin film coating
- Coating be designed as a so-called "cavity encapsulation", for example by means of SiNOx and ATO.
- the light emitting device 1 further has a
- Auxiliary layer 4 which for example also includes a substrate 3.
- the auxiliary layer 4 is arranged on a side facing away from the bottom surface of the light-emitting device 1 and forms an example of a top surface of the Light-emitting device 1.
- the auxiliary layer 4 includes, for example, an adhesive 27th
- the light-emitting component 1 of FIG. 2 is in an off-state, for example, in which at least the segment 1a is out of operation.
- the light-emitting component 1 of FIG. 2 is in an off-state, for example, in which at least the segment 1a is out of operation.
- component 1 is designed such that a viewing direction-dependent color appearance results for a viewer in the off-state, for example of segment 1a, segment 1b or an entire light exit surface of light-emitting component 1.
- a viewing direction-dependent color appearance results for a viewer in the off-state, for example of segment 1a, segment 1b or an entire light exit surface of light-emitting component 1.
- light appears in a first direction 31, such as, for example vertical direction, yellow to the viewer.
- a second direction 33 for example, the lateral direction, appears blue to the viewer.
- the second direction 33 may, for example, enclose an angle of approximately 80 ° with the first direction 31.
- light in a further direction 35 between the first direction and the second direction 31, 33 can take on any further color, depending on a viewing angle, such as, for example, green.
- FIG. 3 shows a second exemplary embodiment of a
- the second embodiment represents various possibilities for said structuring, both individually and in combination in one light emitting device such as may be formed according to FIG. 1, for example.
- one light emitting device such as may be formed according to FIG. 1, for example.
- four laterally arranged regions IIa, IIb, 11c, 11d of different optical thickness are shown, each with a possibility of structuring. It would be conceivable in particular, the possibilities shown in
- the intermediate layer 13 is arranged in particular in the layer sequence 7 and of
- the intermediate layer is in particular a
- the intermediate layer 3 is formed, for example, of aluminum, the thickness of which in the vertical direction is for example 2 nm.
- the intermediate layer 13 has
- the effect that the color angle profile described in connection with Figure 2 results in the off state of the light-emitting device 1 to the viewer For example, additionally or alternatively, the
- the first area IIa has, for example, a shape.
- the first region may be in the form of the
- Segments la (see Figure 1) assume.
- the segment la may be associated with the first region IIa, so that the Image of the arrow for a viewer, for example, both during operation of the light emitting device 1, as well as in an off state of the light emitting device. 1
- Segment lb assigned to a radiation characteristic different from the first area IIa.
- Electrode layer 5b of the light emitting device 1 in the second region IIb has a thickness in the vertical direction, which differs from the thickness in the vertical direction of the first electrode layer 5a in the first region IIa. In particular, which extends in thickness in
- Layer sequence 7 in the respective areas IIa, IIb differ. Furthermore, it is conceivable that, alternatively or additionally, a thickness in the vertical direction of the second electrode layer 9 differs in the respective regions IIa, IIb. In this case, it is in the
- light emitting device 1 then, for example, a so-called “top emitter” or a so-called “transparent OLED”.
- the different thickness in the vertical direction of the corresponding layer in the respective regions IIa, IIb can be achieved, for example, by changing the growth rates of the layer in the respective regions IIa, IIb.
- For influencing the optical thickness has the
- Forming the first microcavity structure 15 includes, for example, application of material and / or deformation and / or
- the surface can be acted upon by coherent radiation or sandblasting.
- a type of relief can be produced on the surface of the substrate 3 by means of embossing.
- Microcavity structure 15 comprises in particular a plurality of laterally adjacent partial surfaces of different optical thickness. By way of example, three are shown in FIG.
- Extension of partial surfaces produced by application or deformation can be for example from 40ym to 50ym.
- Partial areas can be for example 10ym.
- the laterally adjacent partial surfaces form a pattern or an ordered structure, so that an emission characteristic of the light-emitting component 1 in the third region 11c is influenced.
- light extraction in the third region 11c may differ from the first region IIa in terms of brightness and / or color and / or angle.
- a refractive index may differ in the regions IIa, 11c.
- the light emitting device 1 is designed as a "top emitter”, or in addition, for example, in the case that the light emitting device 1 is formed as a "transparent OLED", the substrate 3 associated with the auxiliary layer 4, the first micro cavity structure 15 have.
- forming the second microcavity structure 17 comprises forming channels within the substrate 3 in the fourth region 11d.
- the substrate 3 can be acted upon by coherent radiation for this purpose.
- Microcavity structure 17 comprises analogously to the third
- Area 11c in particular a plurality of laterally adjacent
- Partial surfaces of different optical thickness may be, for example, lym.
- Region 11c is due to the larger lateral
- the laterally adjacent partial surfaces form a pattern or an ordered structure, so that an emission characteristic of the light-emitting component 1 in the fourth region 1 d is influenced.
- light extraction in the fourth region 11d can differ from the first region IIa in terms of brightness and / or color and / or angle.
- a refractive index may differ in the regions IIa, lld.
- light emitting device 1 is designed as a "top emitter”, or in addition, for example, in the case that the light emitting device 1 is formed as a "transparent OLED", that of the auxiliary layer 4 associated
- Substrate 3 have the second micro cavity structure 17.
- the structure of the light-emitting device 1 as well as the effect achieved in the areas IIb, 11c, 11d were respectively set in relation to the first area IIa. Deviating from this, the structure and the effect in the
- the regions IIa, IIb, 11c, 11d can furthermore be arranged independently of the segments 1a, 1b. Furthermore, one of the Areas IIa, IIb, 11c, lld be assigned for example a plurality of segments la, lb. Furthermore, one of the segments la, lb can, for example, have a plurality of regions IIa, IIb, 11c, lld
- the light-emitting device is
- first microcavity structure 17 second microcavity structure 21 contact feed
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Abstract
Description
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Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15/560,939 US20180062115A1 (en) | 2015-03-23 | 2016-03-17 | Method for Producing a Light-Emitting Device, and Light-Emitting Device |
| DE112016001363.9T DE112016001363B4 (de) | 2015-03-23 | 2016-03-17 | Verfahren zur Herstellung eines lichtemittierenden Bauelements und lichtemittierendes Bauelement |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015104318.1 | 2015-03-23 | ||
| DE102015104318.1A DE102015104318A1 (de) | 2015-03-23 | 2015-03-23 | Verfahren zur Herstellung eines lichtemittierenden Bauelements und lichtemittierendes Bauelement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2016150810A1 true WO2016150810A1 (de) | 2016-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2016/055797 Ceased WO2016150810A1 (de) | 2015-03-23 | 2016-03-17 | Verfahren zur herstellung eines lichtemittierenden bauelements und lichtemittierendes bauelement |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20180062115A1 (de) |
| DE (3) | DE102015104318A1 (de) |
| WO (1) | WO2016150810A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208674170U (zh) * | 2018-09-18 | 2019-03-29 | 云谷(固安)科技有限公司 | 发光装置 |
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|---|---|---|---|---|
| EP1555855A2 (de) * | 2003-12-10 | 2005-07-20 | Kabushiki Kaisha Toyota Jidoshokki | Elektrolumineszente Vorrichtung |
| US20090051275A1 (en) * | 2007-08-21 | 2009-02-26 | Seiko Epson Corporation | Light emitting device |
| DE102011075081A1 (de) * | 2010-12-07 | 2012-06-14 | Von Ardenne Anlagentechnik Gmbh | Organisches lichtemittierendes Leuchtmittel, sowie Vorrichtung und Verfahren zu seiner Herstellung |
| CN103728683A (zh) * | 2013-12-25 | 2014-04-16 | 京东方科技集团股份有限公司 | 显示基板及其制备方法 |
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|---|---|---|---|---|
| DE10222964B4 (de) * | 2002-04-15 | 2004-07-08 | Schott Glas | Verfahren zur Gehäusebildung bei elektronischen Bauteilen sowie so hermetisch verkapselte elektronische Bauteile |
| DE102006060781B4 (de) | 2006-09-29 | 2021-09-16 | Pictiva Displays International Limited | Organisches Leuchtmittel |
| US7855508B2 (en) * | 2007-09-17 | 2010-12-21 | Global Oled Technology Llc | LED device having improved light output |
| JP5777879B2 (ja) * | 2010-12-27 | 2015-09-09 | ローム株式会社 | 発光素子、発光素子ユニットおよび発光素子パッケージ |
| US9006758B2 (en) * | 2012-06-01 | 2015-04-14 | Panasonic Corporation | Light-emitting element and display device using same |
| US8940568B2 (en) * | 2012-08-31 | 2015-01-27 | Universal Display Corporation | Patterning method for OLEDs |
| US9159700B2 (en) * | 2012-12-10 | 2015-10-13 | LuxVue Technology Corporation | Active matrix emissive micro LED display |
-
2015
- 2015-03-23 DE DE102015104318.1A patent/DE102015104318A1/de not_active Withdrawn
-
2016
- 2016-03-17 DE DE112016001363.9T patent/DE112016001363B4/de active Active
- 2016-03-17 DE DE112016007603.7T patent/DE112016007603B3/de active Active
- 2016-03-17 US US15/560,939 patent/US20180062115A1/en not_active Abandoned
- 2016-03-17 WO PCT/EP2016/055797 patent/WO2016150810A1/de not_active Ceased
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1555855A2 (de) * | 2003-12-10 | 2005-07-20 | Kabushiki Kaisha Toyota Jidoshokki | Elektrolumineszente Vorrichtung |
| US20090051275A1 (en) * | 2007-08-21 | 2009-02-26 | Seiko Epson Corporation | Light emitting device |
| DE102011075081A1 (de) * | 2010-12-07 | 2012-06-14 | Von Ardenne Anlagentechnik Gmbh | Organisches lichtemittierendes Leuchtmittel, sowie Vorrichtung und Verfahren zu seiner Herstellung |
| CN103728683A (zh) * | 2013-12-25 | 2014-04-16 | 京东方科技集团股份有限公司 | 显示基板及其制备方法 |
| US20150188086A1 (en) * | 2013-12-25 | 2015-07-02 | Boe Technology Group Co., Ltd. | Display substrate and preparing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| US20180062115A1 (en) | 2018-03-01 |
| DE102015104318A1 (de) | 2016-09-29 |
| DE112016007603B3 (de) | 2022-06-09 |
| DE112016001363B4 (de) | 2021-03-18 |
| DE112016001363A5 (de) | 2017-12-07 |
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