WO2014049121A2 - Verfahren zum herstellen eines optoelektronischen bauelements und optoelektronisches bauelement - Google Patents
Verfahren zum herstellen eines optoelektronischen bauelements und optoelektronisches bauelement Download PDFInfo
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- WO2014049121A2 WO2014049121A2 PCT/EP2013/070193 EP2013070193W WO2014049121A2 WO 2014049121 A2 WO2014049121 A2 WO 2014049121A2 EP 2013070193 W EP2013070193 W EP 2013070193W WO 2014049121 A2 WO2014049121 A2 WO 2014049121A2
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- 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
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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
- H10K50/805—Electrodes
- H10K50/81—Anodes
- H10K50/816—Multilayers, e.g. transparent multilayers
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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
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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
- H10K50/854—Arrangements for extracting light from the devices comprising scattering means
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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
- H10K50/858—Arrangements for extracting light from the devices comprising refractive means, e.g. lenses
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- 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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- 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
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- 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
- the invention relates to a method for producing an optoelectronic component and to an optoelectronic component.
- An opto-electronic device e.g., an organic electronic device
- an organic-based optoelectronic device can potentially be produced inexpensively due to the possibility of large-scale manufacturing methods (e.g., roll-to-roll manufacturing processes).
- a surface can be understood, for example, as a table, a wall or a floor.
- An organic optoelectronic component for example an OLED, may comprise an anode and a cathode
- the organic functional layer system may include one or more emitter layers in which electromagnetic radiation is generated, one or more charge carrier pair generation layer structures each of two or more carrier pair generation layers
- Charge carrier pair generation and one or more
- Electron block layers also referred to as Hole transport layer (HT)
- one or more hole block layers also referred to as electron transport layer (s) (ETL)
- HT Hole transport layer
- ETL electron transport layer
- the light generated by it is partly decoupled directly from the OLED.
- the remaining light is distributed in different loss channels, as shown in a representation of an OLED 100 in Fig.l.
- Fig.l shows a
- organic light-emitting diode 100 with a glass substrate 102 and a transparent electrode layer 104 disposed thereon of indium tin oxide (ITO). On the electrode layer 104, an organic emitting layer 106 is disposed. On the organic emitting layer is a second
- Electrode layer 108 disposed of a metal.
- An electrical power supply 110 is connected to the electrode layer 104 and to the second electrode layer 108, so that an electric current for generating light through the arranged between the electrode layers 104, 108
- Modification of the outside of the substrate glass can achieve up to 50% coupling efficiency.
- Such devices or structures or methods for producing such structures may be:
- films with scattering particles on the outside of the substrate (a) films with scattering particles on the outside of the substrate; (b) films having surface structures (e.g., microlenses); direct structuring of the substrate outside;
- the extraction efficiency is limited to a maximum of 50% (due to the refractive index jump between the
- organic emitting layer or organic functional layer structure (short: organic) or the transparent electrode and glass).
- US 2007/0257608 describes high-index litter layers under the transparent electrode in a polymeric matrix or in an extra-introduced high-index glass layer.
- high refractive index denotes a higher refractive index than the glass substrate.
- compaction Refractive index of a glass increase. This process is called “compaction” and is associated with a permanent compaction of the glass Depending on the type of glass and the process conditions, either compaction or the inverse process “de-compaction” occurs.
- the component has the technical device for increasing the internal coupling.
- a region of the substrate is locally heated so that the substrate is locally melted and a
- an optoelectronic component for example a organic light emitting diode (OLED), with which, for example, the coupling of light from one or more organic layers or transparent electrodes of the OLED.
- OLED organic light emitting diode
- Optoelectronic device can be improved.
- Substrate for example by means of compaction by a laser, refractive index increased areas are generated.
- the method may include forming at least one region having an increased refractive index at at least one predetermined position in a substrate such that the region of increased refractive index reaches to a surface of the substrate, and forming one
- Electrode layer on or above the surface of the substrate at least partially above the region with increased
- the method may include increasing a refractive index of a substrate in at least one region at at least one predetermined position in the substrate such that the region of increased refractive index reaches to a surface of the substrate, and forming an electrode layer on or over the surface of the substrate at least
- the method may further include forming at least one light-diffusing region at at least one predetermined position in the substrate prior to forming the electrode layer, the at least one light-diffusing region at least partially within the at least one region of increased refractive index
- the electrode layer may be translucent or transparent. In yet another embodiment, the formation of the electrode layer
- Refractive index of the substrate in the region of increased refractive index by locally heating the substrate.
- the region of increased refractive index perpendicular to the surface of the substrate may have a thickness of at least 1 ⁇ m.
- the layer may be in the
- forming the at least one region of increased refractive index may further include changing the relative position of the substrate and laser between two exposures.
- Refractive index in the at least one area furthermore than
- the method may further
- the method may further comprise
- the formation of the regions of increased refractive index may be in an arrangement and shape that allows total reflection of light entering the substrate from the direction of the surface at regions in the layer that do not have an increased refractive index.
- Regions in the layer, which have no increased refractive index, are formed, wherein forming the
- Reduced index region is achieved by local heating of the substrate, and wherein the local
- Heating the substrate using a laser is carried out, preferably in such a way that a decompacting is performed.
- the method may further comprise forming an organic functional one
- the refractive index in forming the region of increased refractive index, may be reduced to a layer thickness weighted average
- Refractive index can be increased to a layer thickness-weighted average of the refractive indices of already applied or still applied organic functional layer structure and already applied or still applied electrode.
- local heating of the substrate may be accomplished using a laser
- the method may further include forming a second electrode layer on or over the organic functional layer structure. In yet another embodiment, the method may further comprise forming an encapsulation layer. In yet another embodiment, the substrate may comprise quartz glass, flint glass, window glass, soda-lime glass or crown glass. In various embodiments, a method for producing an optoelectronic component
- the method may include forming an electrode layer on or over a surface of a
- Substrate and forming at least one region with an increased refractive index at least one
- Increased refractive index region is at least partially formed at an interface to the electrode layer.
- the method may include forming a
- Electrode layer on or over a surface of a
- Refractive index is at least partially formed at an interface to the electrode layer.
- the method may further include forming at least one light-diffusing region at at least one predetermined position in the substrate prior to forming the electrode layer, wherein the at least one light-diffusing region is at least partially within the at least one region of increased refractive index
- the electrode layer may be translucent or transparent.
- Refractive index in the region of increased refractive index by locally heating the substrate.
- the local heating of the substrate is carried out using a laser, preferably in such a way that a compaction is carried out.
- the region of increased refractive index perpendicular to the surface of the substrate may have a thickness of at least 1 ⁇ m.
- the layer may extend parallel to the surface of the substrate substantially over the entire area covered or to be covered by the electrode layer.
- forming the at least one region of increased refractive index may further include changing the relative position of the substrate and laser between two exposures.
- Refractive index in the at least one area furthermore than
- the method may further comprise
- the method may further comprise applying a laser light opaque mask to the substrate prior to increasing the refractive index in the at least one mask
- the formation of the regions of increased refractive index may be in an arrangement and shape that allows total reflection of light entering the substrate from the direction of the surface at regions in the layer that do not have an increased refractive index.
- the method may further include forming at least one region
- the method may further comprise forming an organic functional layer structure on or above the electrode layer.
- the refractive index in forming the region of increased refractive index, the refractive index may be reduced to a layer thickness weighted average
- local heating of the substrate may be accomplished using a laser
- the method may further include forming a second electrode layer on or over the organic functional layer structure.
- the method may further comprise forming an encapsulation layer.
- the substrate may comprise quartz glass, flint glass, window glass, soda-lime glass or crown glass.
- Optoelectronic component provided, wherein the optoelectronic component comprises a substrate, and disposed on or above a surface of the substrate electrode layer and wherein the substrate has at least partially under the electrode layer at least a portion of the surface with increased refractive index.
- Optoelectronic device wherein the Optoelectronic component having a substrate, and disposed on or above a surface of the substrate electrode layer and wherein the substrate at least partially under the electrode layer at least a portion having an increased refractive index increase of the substrate refractive index.
- the optoelectronic component may have at least one light-scattering region at at least one predetermined position in the substrate, wherein the at least one light-scattering region is at least partially within the at least one region with an increased
- the electrode layer may be translucent or transparent.
- the substrate may be in the
- the region of increased refractive index perpendicular to the surface of the substrate may have a thickness of at least 1 ⁇ m.
- a layer in the substrate having one or more of the regions of increased refractive index may extend parallel to the surface of the substrate over a portion of the area covered or to be covered by the electrode layer.
- the layer may extend substantially parallel to the surface of the substrate over the entire surface covered or to be covered by the electrode layer.
- the at least one region of increased refractive index may be configured to provide total internal reflection from the direction of the substrate
- the at least one region in the layer that does not have an increased refractive index may include at least one region of reduced refractive index, and the substrate in the at least one region of reduced refractive index may be decompactivated.
- Component further an organic functional
- the region of increased refractive index may have a refractive index corresponding to a layer thickness-weighted average of refractive indices of organic functional layer structure and electrode.
- the substrate may be in the
- At least one light-scattering region be laser engraved inside.
- Component further comprise a second electrode layer on or above the organic functional layer structure.
- Component further comprise an encapsulation layer.
- the substrate may comprise quartz glass, flint glass or crown glass.
- transparent or “transparent layer” can be understood in various embodiments that a layer is transparent to light
- Laser internal engraving used laser, wherein in a structure (for example, a layer) coupled light in
- translucent or “translucent layer” can be understood in various embodiments that a layer is permeable to light
- the light generated by the optoelectronic component for example one or more
- Wavelength ranges for example, for light in one
- Wavelength range of visible light for example,
- the term "translucent layer” in various embodiments is to be understood to mean that substantially all of them are in one
- Amount of light is also coupled out of the structure (for example, layer).
- Figure 1 is an illustration of a conventional organic compound
- Figure 2 is an illustration of the laser processing for
- FIGS. 4a and 4b are flowcharts showing the methods for
- Producing an optoelectronic component according to various embodiments represent.
- Figure 5 is a cross-sectional view of an organic compound
- Figure 6 is a cross-sectional view of an organic compound
- Figure 7 is a cross-sectional view of an organic compound
- Figure 8 is a cross-sectional view of an organic compound
- Figure 9 is a cross-sectional view of an organic compound
- FIG. 10 shows a plan view of an organic light-emitting diode according to various exemplary embodiments.
- Embodiments be part of an integrated circuit. Furthermore, a plurality of optoelectronic
- a laser can be used which generates and emits light of a wavelength at which the substrate and in the compaction, the decompaction or the engraving
- irradiated layers for example, the
- Encapsulation layer are translucent or transparent.
- Substrate is irradiated with the laser light until it is expected that the desired effect (compaction, Decompaction or interior engraving), referred to as an exposure, and the associated position as the exposure position.
- Fig. 2 shows an illustration of the process of
- a glass substrate 202 for example with a transparent or translucent electrode layer 204 arranged thereon or above with laser light, is represented by
- Arrows 230, irradiated, may be lasers (for example
- Wavelength, power, pulse duration, pulse rate and focusing are coordinated so that forms a compacted region or a compacted layer 220 in the irradiated substrate.
- Laser power can be applied specifically to a substrate point, for example, on the interface transparent
- Electrode 204 eg, indium tin oxide, ITO
- ITO indium tin oxide
- the glass transmission does not change during the compaction process.
- FIG. 4a and 4b show flowcharts 400 and 410, in which methods for producing an optoelectronic
- the laser processing can be carried out either before or after the deposition of the electrodes or the organics and the encapsulation.
- a transparent electrode may be formed on or over the substrate at least partially over the region of increased refractive index and an organic functional layer structure on or over the transparent electrode in S4006.
- Encapsulation layer are formed.
- a transparent electrode is formed on or above a provided substrate and an organic functional layer structure is formed on or above the transparent electrode. Furthermore, an encapsulation or an encapsulation layer can be formed in S4104. In S4106, a laser processing of a surface of a substrate at an interface to the
- Substrate are performed. Finally, in S4108, an internal laser engraving of the substrate may be increased in refractive index Range to set a scattering effect are performed.
- Laser power can be applied specifically to a substrate point, for example, on the interface transparent
- Electrode for example, indium tin oxide, ITO
- compacting may include S4002, S4106 of a larger area (s)
- a compaction S4002, S4106 of a region can take place at an exposure position, then the substrate or the laser device or a part thereof, for example an optical element, can be moved so that the focus position of the laser light lies in a new region of the substrate, and then further exposure or compaction can be performed.
- the larger area (s) can be compacted by scanning the area (s).
- compacting may include S4002, S4106 of a larger area (s)
- Focusing area has an extension in both directions, which are parallel to the surface of the substrate. Areas, in where no compaction is provided, by an impermeable to the laser light, eg reflective
- Parameter wavelength, power, pulse duration, pulse rate and focusing) and substrate are coordinated or be so coordinated that in the irradiated substrate
- Laser internal engraving forms, in which the scattering effect is increased.
- the scattering effect is increased.
- Laser power can be applied specifically to a substrate point, for example, to a point that lies within the compacted area.
- the laser may engrave inside
- S4004, S4108 of a larger area or multiple areas by changing the relative position of the substrate and focused laser light between two exposures.
- an internal laser engraving S4004, S4108 of a region can take place at an exposure position, then the substrate or the laser device or a part thereof, for example an optical element, can be moved so that the focus position of the laser light lies in a new region of the substrate, and then another exposure or laser engraving can be performed.
- the larger area or can several areas are laser engraved by the area or the areas is scanned or become.
- laser internal engraving S4004, S4108 of a larger area or regions may be accomplished by not substantially exposing the laser light
- Focusing area has an extension in both directions, which are parallel to the surface of the substrate. Areas where no laser engraving is provided may be provided by a laser light opaque, e.g. reflective device covered during exposure,
- S4108 For laser engraving S4004, S4108 several lasers can be used, for example simultaneously.
- the same laser can be used for compaction and interior engraving, with the laser parameters each being adjusted so that a
- Compaction or an interior engraving can be performed.
- various lasers may be used for compaction and interior engraving.
- the electrode and the organics and for the encapsulation known methods are used.
- FIG. 5 shows a portion of an organic light emitting diode 500 as an implementation of a portion of an optoelectronic device according to various embodiments.
- the optoelectronic component in the form of an organic light-emitting diode 500 may have a substrate 202.
- the substrate 202 may be used, for example, as a support element for
- the substrate 202 may comprise glass, for example quartz glass, crown glass,
- the substrate 202 may be transparent, translucent, partially translucent or partially transparent.
- an electrode 204 (for example in the form of an electrode layer 204) may be applied.
- the electrode 204 may be formed of or be made of an electrically conductive material, such as a transparent conductive oxide (TCO) or a
- Transparent conductive oxides are transparent, conductive materials, for example metal oxides, such as, for example, zinc oxide, tin oxide, cadmium oxide, titanium oxide, indium oxide, or indium tin oxide (ITO).
- metal oxides such as, for example, zinc oxide, tin oxide, cadmium oxide, titanium oxide, indium oxide, or indium tin oxide (ITO).
- ITO indium tin oxide
- Metal oxygen compounds such as ZnO, SnO 2, or ⁇ 2 O 3 also include ternary metal oxygen compounds, such as Zn 2 SnO 4, Cd SnO 3, Zn SnO 3, Mgln 2 O 4, GalnO 3, 2 ⁇ or In 4 Sn 30, 2, or mixtures of different transparent conductive oxides into the group of TCOs.
- TCOs do not necessarily correspond to one
- the electrode 204 may be formed as an anode, ie as a hole-injecting material.
- the electrode 204 may, for example, have a layer thickness of less than or equal to approximately 25 nm,
- Electrode 204 for example, have a layer thickness of greater than or equal to about 10 nm, for example one
- the first electrode 204 may have a layer thickness in a range of about 10 nm to about 25 nm, for example, a layer thickness in a range of about 10 nm to about 18 nm,
- the electrode 204 may have a layer thickness in a range of about 200 nm to about 500 nm, for example, a layer thickness in a range of about 250 nm to about 450 nm, for example, a layer thickness in a range of about 300 nm to about 400 nm.
- the substrate 202 may include an refractive index enhanced region 220, such as a compacted region 220, for example.
- the refractive index of the refractive index increased region 220 may be increased relative to the refractive index of the substrate.
- the compacted region 220 may be, for example, one of those described in connection with FIG.
- Process steps such as laser compaction before or after forming the electrode layer, be formed.
- the compacted region 220 may have a refractive index that is between the refractive index of the substrate 202 and the refractive index of the electrode 204.
- the compacted region may have a thickness d of at least about 1 ⁇ m, for example a thickness in a range of about 2 ⁇ m to about 12 ⁇ m, for example in a range of about 5 ⁇ m to about 6 ⁇ m.
- 6 shows a portion of an organic light emitting diode 600 as an implementation of a portion of an optoelectronic device according to various embodiments.
- the part of the organic light-emitting diode 600 may still have a laser-engraved region 630.
- the laser-engraved region 630 may be, for example, by one of those described in connection with FIG.
- Process steps such as laser engraving after compaction, be formed.
- At least a portion of the laser engraved region 630 may be formed within the compacted region 220.
- FIG. 7 shows a portion of an organic light emitting diode 700 as an implementation of a portion of an optoelectronic device according to various embodiments.
- the portion of the organic light emitting diode 700 may include an organic functional layer structure 706 disposed on or above the electrode 204.
- the organic functional layer structure 706 may include one or more emitter layers, for example with
- fluorescent and / or phosphorescent emitters as well as one or more
- Charge carrier transport layers (electron conduction layers ETL, derived from the English term “electron transport layer” or hole conduction layers HTL, derived from
- Optoelectronic component according to various Embodiments of the emitter layer (s) can be used include organic or organometallic compounds such as derivatives of polyfluorene, polythiophene and polyphenylene (eg 2- or 2, 5-substituted poly-p-phenylenevinylene) and metal complexes, for example
- Iridium complexes such as blue phosphorescent FIrPic
- spin coating are separable.
- the emitter materials may be suitably embedded in a matrix material.
- Optoelectronic component 700 may be selected, for example, such that the optoelectronic component 700 emits white light.
- the emitter layer (s) may include several emitter materials of different colors (for example blue and yellow or blue, green and red)
- the emitter layer (s) may also be composed of several sub-layers, such as a blue-fluorescent emitter layer or blue-phosphorescent emitter layer, a green-phosphorescent emitter layer and a red-phosphorescent emitter layer.
- Layers generated primary emission to arrange a converter material that at least partially absorbs the primary radiation and emits a secondary radiation of larger wavelength, so that from a (not yet white)
- the organic functional layer structure 706 may generally include one or more functional layers.
- the one or more functional layers may or may comprise organic polymers, organic oligomers, organic monomers, organic small, non-polymeric molecules ("small molecules") or combinations of these materials
- Layer structure 706 one or more functional
- the hole transport layer Having layers that is or are designed as a hole transport layer, so that, for example, in the case of an OLED effective hole injection into an electroluminescent layer or an electroluminescent region are made possible.
- the material for the hole transport layer for example, tertiary amines, carbazole derivatives, conductive polyaniline or Polythylendioxythiophen can be used.
- the one or more functional layers may or may be considered
- Emitter layer may be applied to or over the hole transport layer, for example deposited.
- the optoelectronic component 700 may generally have further organic functional layers which serve to further improve the functionality and thus the efficiency of the optoelectronic component 700.
- the organic functional layer structure 706 may have a layer thickness
- a layer thickness of at most about 1.2 ym for example, a layer thickness of at most about 1 ym, for example, a layer thickness of at most about 800 nm, for example, a layer thickness of at most about 500 nm, for example, a layer thickness of a maximum of about 400 nm, for example a layer thickness of at most about 300 nm.
- the organic functional layer structure 706 may include a
- each OLED may for example have a maximum thickness of about 1.5 ym, for example, a maximum thickness of about 1.2 ym, for example, a maximum thickness of about 1 ym, for example, a maximum layer thickness about 800 nm, for example a layer thickness of at most about 500 nm, for example a layer thickness of at most about 400 nm, for example a layer thickness of at most about 300 nm.
- the organic functional layer structure 706 may include a
- organic functional layer structure 706 a
- Layer thickness may have a maximum of about 6 ym.
- refractive index enhanced region 220 may have a refractive index that corresponds to a refractive index
- Substrate 202 in the region 220 at the interface to the transparent electrode 204 the proportion of the light generated in the organic functional layer structure, which is reflected at the interface between electrode 204 and substrate 202, can be reduced. As a result, the portion of the generated light coupled out of the substrate 202 can also be increased. By increasing the scattering effect within the region 630, a part of the organic functional
- decoupled portion of the generated light can be increased.
- the portion of the organic light emitting diode 800 may include a second electrode 808 (eg, in the form of a second electrode layer 808) disposed on or over the organic functional layer structure 706.
- Electrode 808 the same electrically conductive
- the transparent material or formed therefrom as the electrode 204, and / or the second electrode 808 may include a metal (for example Ag, Pt, Au, Mg) or a metal alloy of the materials described
- Electrode 808 may be formed by a stack of layers of a combination of a layer of a metal on a layer of a TCO, or vice versa.
- An example is one
- ITO indium tin oxide
- a layer thickness of less than or equal to approximately 40 nm for example a layer thickness of less than or equal to approximately 35 nm, for example a layer thickness of less than or equal to approximately 30 nm, for example a layer thickness of less than or equal to approximately 25 nm,
- a layer thickness of less than or equal to about 20 nm for example, a layer thickness of less than or equal to about 15 nm, for example, a layer thickness of less than or equal to about 10 nm.
- the second electrode 808 may have an arbitrarily greater layer thickness.
- the electrode 204 may have a layer thickness in a range of about 200 nm to about 500 nm, for example, a layer thickness in a range of about 250 nm to about 450 nm, for example, a layer thickness in a range of about 300 nm to about 400 nm.
- FIG. 9 shows part of an organic light emitting diode 900 as an implementation of a portion of an optoelectronic device according to various embodiments.
- the part of the organic light emitting diode 800 of FIG. 8 may be incorporated in these
- Embodiments additionally have an encapsulation layer 910.
- encapsulation or “encapsulation” is understood to mean that a barrier or encapsulation layer is provided against moisture and / or oxygen, so that the organic functional layer structure can not be penetrated by these substances.
- Encapsulation layer 910 a thin film encapsulation layer 910 with a sufficient layer thickness (for example, at least 1 ym) may be provided.
- Thin film encapsulation layer 910 include or consist of one or more of the following materials: a
- Material or a mixture of materials or a stack of layers of materials such as S1O2; S13N4; SiON (these materials are deposited, for example, by a CVD method); Al2O3; Zr02; T1O2; Ta20s; S1O2; ZnO; and / or HfO 2 (these materials are deposited, for example, by an ALD method); or one
- the encapsulation of the optoelectronic component for example by means of a glass frit encapsulation (engl., Glass frit
- low melting glass also referred to as a glass frit
- a glass frit may be used as a bond between the glass substrate 202 and a cover glass.
- the bonding of the glass frit to the cover glass, which in various embodiments may form the encapsulant layer 910, and to the glass substrate 202 may protect the organic functional layer structure 706 laterally in the region of the glass frit from damaging environmental influences.
- the encapsulation layer 910 may be translucent, for example transparent, partially translucent, for example partially transparent.
- Encapsulation layer 910 have other optically translucent, for example transparent, materials,
- plastic or plastic film.
- FIG. 10 shows a plan view of a portion of an organic light emitting diode 1000 as an implementation of a portion of an optoelectronic device according to various
- the substrate 202 may include a plurality of compacted regions 220, wherein the compacted regions may be disposed in a common layer that is parallel to the surface of the substrate.
- compacted regions 220 may be formed in the form of a non-periodic structure.
- compacted regions 220 may be separated by non-compacted regions which may be arranged in the same layer as the compacted regions 220.
- the arrangement of the compacted regions 220 according to FIG. 10 can be realized, for example, in an optoelectronic component according to FIG.
- one or more portions of the non-compacted substrate 202 may be de-compacted.
- the laser for example, the parameters
- Wavelength, power, pulse duration, pulse rate, and focus and the substrate 202 are tuned to form a de-compacted region or de-compacted layer in the irradiated substrate, which has a lower refractive index than the non-compacted one
- Substrate has.
- Laser power can be applied specifically to a substrate point, for example, on a non-compacted portion of the substrate 202 within the layer, which
- the de-compacting of a larger area (s) may be accomplished by changing the relative position of the substrate and focused laser light between two exposures. In other words, a decomposition of an area at one
- Exposure position then the substrate 202 or the laser device or a part thereof, for example an optical element, can be moved, so that the focus position of the laser light lies in a new area of the substrate 202, and then further exposure or decompression can be performed become.
- the larger area or multiple areas can be compacted by scanning the area or areas.
- the de-compacting of a larger area may be accomplished by not focusing the laser light substantially at a point, but such that the focus area has an extension in both directions parallel to the surface of the substrate 202. Areas in which no decompression is provided, by one for the laser light
- impermeable device are covered during the exposure, for example, before the exposure
- reduced refractive index may be reflected so as to strike a surface-to-surface interface between substrate 202 and ambient at an angle that allows for extraction from substrate 202. Consequently, the proportion of the generated light coupled out of the substrate 202 can be increased.
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Electroluminescent Light Sources (AREA)
- Led Devices (AREA)
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/430,947 US9444074B2 (en) | 2012-09-28 | 2013-09-27 | Method for producing an optoelectronic component and optoelectronic component |
| CN201380051164.0A CN104704645B (zh) | 2012-09-28 | 2013-09-27 | 用于制造光电子器件的方法和光电子器件 |
| KR1020157010974A KR101782473B1 (ko) | 2012-09-28 | 2013-09-27 | 광전자 컴포넌트를 제조하는 방법 및 광전자 컴포넌트 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012109209.5 | 2012-09-28 | ||
| DE102012109209.5A DE102012109209B4 (de) | 2012-09-28 | 2012-09-28 | Verfahren zum Herstellen eines optoelektronischen Bauelements und optoelektronisches Bauelement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2014049121A2 true WO2014049121A2 (de) | 2014-04-03 |
| WO2014049121A3 WO2014049121A3 (de) | 2014-08-07 |
Family
ID=49274636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2013/070193 Ceased WO2014049121A2 (de) | 2012-09-28 | 2013-09-27 | Verfahren zum herstellen eines optoelektronischen bauelements und optoelektronisches bauelement |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9444074B2 (de) |
| KR (1) | KR101782473B1 (de) |
| CN (1) | CN104704645B (de) |
| DE (1) | DE102012109209B4 (de) |
| WO (1) | WO2014049121A2 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014201034A1 (de) * | 2013-10-17 | 2015-04-23 | POG-Präzisionsoptik Gera GmbH Gewerbepark | Optisches Bauelement mit transparentem Grundkörper und einer passiv lichtstreuenden Struktur |
| CN110783157B (zh) * | 2019-10-24 | 2021-11-05 | 北方夜视技术股份有限公司 | 一种应用于多碱光电阴极的复合光学薄膜及其制备方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6309991B1 (en) | 1996-08-29 | 2001-10-30 | Corning Incorporated | Silica with low compaction under high energy irradiation |
| JPH11354271A (ja) * | 1998-06-05 | 1999-12-24 | Canon Inc | 感光材料書込み装置 |
| DE10119302A1 (de) * | 2001-04-19 | 2002-10-31 | Bora Glas Gmbh C O Fachbereich | Verfahren zum laserstrahlgestützten Eintrag von Metallionen in Glas zur Erzeugung von farblosen und farbigen Pixeln |
| DE10159959A1 (de) * | 2001-12-06 | 2003-06-26 | Heraeus Quarzglas | Quarzglasrohling für ein optisches Bauteil und Verwendung desselben |
| JP2003282260A (ja) * | 2002-03-26 | 2003-10-03 | Dainippon Printing Co Ltd | エレクトロルミネッセンス表示装置 |
| DE102004001458B4 (de) | 2004-01-08 | 2012-01-19 | Schott Ag | Glas mit deutlich verbesserter Stabilität gegen Strahlenbeschädigungen, ein Verfahren zu seiner Herstellung sowie dessen Verwendung |
| US7851995B2 (en) | 2006-05-05 | 2010-12-14 | Global Oled Technology Llc | Electroluminescent device having improved light output |
| DE102008015697A1 (de) * | 2008-03-26 | 2009-10-01 | Osram Opto Semiconductors Gmbh | Verfahren zur Herstellung eines strukturierten optoelektronischen Bauelementes und Anordnung zur Durchführung eines solchen |
| FR2937798B1 (fr) | 2008-10-24 | 2010-12-24 | Saint Gobain | Substrat verrier avec electrode notamment destine a un dispositif a diode electroluminescente organique |
| DE102010063511A1 (de) | 2010-12-20 | 2012-06-21 | Osram Opto Semiconductors Gmbh | Verfahren zum Herstellen eines optoelektrischen Bauelements und optoelektronisches Bauelement |
-
2012
- 2012-09-28 DE DE102012109209.5A patent/DE102012109209B4/de active Active
-
2013
- 2013-09-27 WO PCT/EP2013/070193 patent/WO2014049121A2/de not_active Ceased
- 2013-09-27 CN CN201380051164.0A patent/CN104704645B/zh active Active
- 2013-09-27 KR KR1020157010974A patent/KR101782473B1/ko not_active Expired - Fee Related
- 2013-09-27 US US14/430,947 patent/US9444074B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| KR20150060952A (ko) | 2015-06-03 |
| WO2014049121A3 (de) | 2014-08-07 |
| US20150255752A1 (en) | 2015-09-10 |
| CN104704645B (zh) | 2017-06-09 |
| US9444074B2 (en) | 2016-09-13 |
| KR101782473B1 (ko) | 2017-09-27 |
| CN104704645A (zh) | 2015-06-10 |
| DE102012109209B4 (de) | 2017-05-11 |
| DE102012109209A1 (de) | 2014-04-03 |
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