WO2015110417A1 - Licht emittierendes bauelement und verfahren zur herstellung eines licht emittierenden bauelements - Google Patents
Licht emittierendes bauelement und verfahren zur herstellung eines licht emittierenden bauelements Download PDFInfo
- Publication number
- WO2015110417A1 WO2015110417A1 PCT/EP2015/050984 EP2015050984W WO2015110417A1 WO 2015110417 A1 WO2015110417 A1 WO 2015110417A1 EP 2015050984 W EP2015050984 W EP 2015050984W WO 2015110417 A1 WO2015110417 A1 WO 2015110417A1
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- WIPO (PCT)
- Prior art keywords
- substrate
- light
- layer sequence
- stromleitschienen
- layer
- Prior art date
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Classifications
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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
- H10K50/814—Anodes combined with auxiliary electrodes, e.g. ITO layer combined with metal lines
-
- 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
- H10K50/842—Containers
- H10K50/8428—Vertical spacers, e.g. arranged between the sealing arrangement and the OLED
-
- 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
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/131—Interconnections, e.g. wiring lines or terminals
-
- 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
- H10K59/17—Passive-matrix OLED displays
- H10K59/179—Interconnections, e.g. wiring lines or terminals
-
- 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
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/842—Containers
- H10K50/8426—Peripheral sealing arrangements, e.g. adhesives, sealants
Definitions
- a light-emitting component is specified.
- Another object to be solved is to provide a method for producing a light-emitting component, in which the component is damaged as little as possible during the manufacturing process.
- this comprises a substrate with a
- the substrate preferably has one
- radiation-permeable in particular transparent or milky cloudy material, for example glass or
- the substrate is made of such a material.
- the substrate can be provided that this light from the light
- the Substrate top is, for example, a main side of the substrate.
- this comprises a layer sequence arranged on the upper side of the substrate.
- the layer sequence can for
- Example at least one active, light-emitting
- the layer sequence also has one or more emission regions, which are provided for the emission of light.
- the emission areas may here and below be understood to mean the areas which in
- Top view of the device appear emitting light.
- the entire, active, organic layer may be light-emitting, but only from some areas does the light actually reach the viewer. These areas are then, for example, the emission areas.
- different emission regions are preferably operated in parallel or simultaneously.
- the different emission regions are preferably not controlled separately but jointly, for example via a single switch.
- the layer sequence has, for example, a lateral
- the lateral extent of the layer sequence is -S 35 cm, for example -S 30 cm or ⁇ 20 cm.
- the emission regions each have a lateral extent of at least 100 ym or 1 mm or 2 mm.
- the layer sequence can also contain other organic layers, such as
- the layer sequence comprises a plurality of active organic layers, all for the emission of electromagnetic radiation
- the thicknesses of the individual organic layers are for example at least 10 nm or> 100 nm or> 200 nm. Alternatively or additionally, the thicknesses of the individual organic layers are ⁇ 500 nm or ⁇ 200 nm or ⁇ 100 nm. According to at least one embodiment of the light emitting component has this Stromleitschienen.
- Emission regions of the layer sequence preferably arranged next to or between the Stromleitschienen.
- Substrate top for example, a grid, for example, a rectangular or hexagonal grid form.
- Power rails then include rectangular or hexagonal areas of the layer sequence. These areas can be rectangular or hexagonal areas of the layer sequence. These areas can be rectangular or hexagonal areas of the layer sequence. These areas can be rectangular or hexagonal areas of the layer sequence. These areas can be rectangular or hexagonal areas of the layer sequence. These areas can be rectangular or hexagonal areas of the layer sequence. These areas can be rectangular or hexagonal areas of the layer sequence. These areas can be rectangular or hexagonal areas of the layer sequence. These areas can be
- the Stromleitschienen preferably have a metallic
- the conductor rails it is possible for the conductor rails to have a layer sequence of a plurality of metallic materials, for example a chromium-aluminum-chromium layer sequence. But even a molybdenum-aluminum layer sequence is conceivable.
- Stromleitschienen also have, for example, a width of> 60 ym or> 70 ym or> 80 ym. Alternatively or additionally, the width of the Stromleitschienen ⁇ 150 ym or -S 90 ym or ⁇ 95 ym.
- the thickness of the Stromleitschienen is, for example, at least 3 ym or> 3.5 ym or> 4 ym. Alternatively or additionally, the thickness of the
- the width or the thickness of the conductor rails can be understood here and below as meaning in each case the average or maximum or minimum width or thickness.
- this has a capsule glass. Between the capsule glass and the substrate is the layer sequence
- the capsule glass can have or consist of a translucent, for example, milky-opaque or transparent material, for example a silicate glass or a plastic.
- the capsule glass is formed as a plate, which has two plane-parallel main sides. The main sides then run, for example, parallel to the substrate top.
- this spacer comprises.
- the spacers are formed as elevations on one of the layer sequence facing capsule glass bottom, for example, a main side of the capsule glass. In top view on the
- Substrate top overlap the spacers preferably partially or completely with the Stromleitschienen.
- the spacers are intended to provide direct contact between the capsule glass and the spacers
- the spacers may be, for example, a structuring of the capsule glass.
- the spacers can also be applied directly to the capsule glass and consist of a different material than the material of the capsule glass.
- this has a substrate with a
- a layer sequence is arranged which has at least one active, light-emitting, organic layer.
- the layer sequence also includes one or more emission regions intended to emit light.
- the layer sequence comprises conductor rails, the emission areas of the layer sequence being arranged between or next to the conductor rails in a plan view of the substrate top side.
- the light-emitting component comprises a capsule glass, wherein the layer sequence is arranged between the substrate and the capsule glass. On the capsule glass spacers are applied, the spacers facing as elevations on one of the layer sequence
- Capsule glass bottom are formed.
- the spacers overlap at least partly with the conductor rails of the layer sequence.
- the spacers are designed to prevent direct contact between the capsule glass and the layer sequence in the region of the emission regions.
- the layer sequence is preferably not in direct contact with the capsule glass. Instead, it is possible that between the layer sequence and the capsule glass in the area of
- Example filled with a gas In the production of the light-emitting component thus foreign particles, between the layer sequence and the capsule glass
- the light-emitting device is less prone to damage.
- the spacer is preferably pressed only on the areas of the layer sequence in which Stromleitschienen are mounted. Although in these areas it may then lead to an impairment of the layer sequence, in particular the active organic layer, but these areas are preferably not intended for the emission of light.
- the light emitting emission areas are advantageously adjacent to the Stromleitschienen.
- the spacers are buffer points
- the buffer points are spaced apart, dome-like elevations on the capsule glass bottom.
- the buffer points on the capsule glass base have to
- the lateral extent of the buffer points -S is 300 ym or ⁇ 250 ym or ⁇ 200 ym.
- the thickness of the buffer points perpendicular to the capsule glass bottom is preferably at least 10 ⁇ m or 20 ⁇ m or 30 ⁇ m.
- the thickness of the buffer points is -SS 50m or ⁇ 40m or ⁇ 30m.
- the lateral extent of the buffer points is preferably at most 5% or at most 2% or at most 1% or at most 0.1% of the lateral
- the conductor rails intersect at points of intersection. In such a
- Crossing point intersect at least two or three or four or five power rails.
- the distance between two adjacent crossing points of the Stromleitschienen is for example at least 1 mm or 2 mm or 3 mm. Alternatively or additionally, the distance between two adjacent crossing points is ⁇ 5 mm or ⁇ 4 mm or ⁇ 3 mm.
- the buffer points are on the top in the plan view of the substrate top side
- Capsule glass bottom preferably arranged so that they at least with the crossing points of the Stromleitschienen
- each buffer point Preferably overlaps each buffer point at least partially or completely with only one crossing point.
- the spacers in the form of buffer points preferably only press on areas of the buffer glass
- Stromleitschienen arranged between the active organic layer and the substrate.
- the Stromleitschienen can rest on the substrate top, where
- the active organic layer is, for example, on
- the active organic layer in the region of the conductor rails can be seen to be higher from the substrate upper side than in the areas between the conductor rails, for example in the emission regions.
- the Stromleitschienen are recessed in the substrate, so that the Stromleitschienen and the substrate at the Close the substrate top flush with each other.
- the active organic layer may be characterized by two major sides which are flat and parallel to the substrate top.
- the first electrode is arranged, for example, between the conductor rails and the substrate.
- the first electrode may have the same or a different material than the Stromleitschienen.
- the first electrode has a transparent conductive material, for example a transparent oxide material, in short TCO, such as, for example, indium tin oxide, ITO for short.
- a second electrode for example a
- the second electrode may, for example, be disposed downstream of the active organic layer in a direction away from the substrate top.
- the active organic layer is between the second electrode and the substrate.
- the second electrode may for example comprise or consist of a metal such as gold or silver or aluminum.
- the cathode may comprise a material which is reflective to the light emitted by the active organic layer.
- the light is
- emitting device preferably as a bottom emitter
- the light is coupled out of the active organic layer via the transparent conductive anode and via the substrate, which in this case is transparent, from the light-emitting component.
- the cathode has a conductive transparent material and the anode
- the light-emitting component is designed as a top emitter, wherein, for example, an electrode arranged between the active organic layer and the substrate is designed to be reflective, and accordingly a downstream electrode in the direction away from the substrate top of the active organic layer for the light emitted by the active organic layer.
- the light of the active organic layer is coupled out of the light-emitting component, for example via the capsule glass.
- the buffer points on the capsule glass bottom of the capsule glass are matrix-like arranged. Such an arrangement proves to be particularly advantageous when the Stromleitschienen form a regular grid.
- the buffer points overlap in plan view of the substrate top, for example, with the crossing points of the Stromleitschienen, the buffer points
- the spacers on the capsule glass are at least temporarily not in direct contact with the layer sequence.
- the light can emitting component be designed so that a direct contact between the spacers and the layer sequence occurs only when the light-emitting device is under a mechanical load, for example under a pressure on the capsule glass or on the substrate.
- the light-emitting component can also be configured such that, at least in some areas, the spacers can also be used without mechanical stress
- Substrate top on an edge region which is at least partially free of the layer sequence may be, for example, an area adjacent to side surfaces of the substrate, wherein the
- an adhesive layer is preferably applied.
- the adhesive layer preferably covers the regions of the edge region which are free of the layer sequence.
- the adhesive layer is also in contact with the capsule glass bottom of the capsule glass, in particular in direct contact, thereby creating a mechanical bond between the substrate and the capsule glass.
- the adhesive layer forms a continuous coherent web around the layer sequence.
- Layer sequence is thus for example in all directions parallel to the substrate top of the adhesive layer
- the adhesive layer can be provided to the capsule glass and the To connect substrate so that an airtight space between the capsule glass and the substrate
- the adhesive layer has, for example, a resin
- the adhesive layer may be a UV-curing adhesive.
- the adhesive layer also preferably has a thickness perpendicular to the substrate top of at least 10 ym or 30 ym or 50 ym. Alternatively or additionally, the thickness of the adhesive layer -S is 80 ym, for
- Layer sequence runs, for example, at least 1 mm or 5 mm or 1 cm.
- the lateral extent of the adhesive layer is -S 2 cm, for example -S 1.5 cm or ⁇ 1.2 cm. According to at least one embodiment is between the
- Layer sequence and the capsule glass introduced an absorbent material.
- the absorption material can serve
- Layer sequence in particular the organic active layer, could damage, trap and absorb.
- Absorbent material may comprise an oxidizable material, such as an alkali or alkaline earth metal.
- the absorption material magnesium magnesium,
- the absorption material is preferably a liquid absorbent material, for example, in
- Drop shape between the layer sequence and the capsule glass is introduced.
- a liquid absorption material By using such a liquid absorption material, it can be prevented that the absorption material is pressed into the layer sequence in the case of a mechanical loading of the light-emitting component.
- the adhesive layer and the spacers are made of the same material.
- the material differs from
- Adhesive layer and the spacer thereby of the material of the capsule glass By using the same material for the adhesive layer and the spacers, the
- Adhesive layer and the spacers are applied, for example during the production process in a common step on the capsule glass.
- thin-film encapsulation partially or completely covers all sides of the layer sequence which are not covered by the
- Substrate top of the substrate are covered.
- the sides of the layer sequence are completely covered with the thin-film encapsulation so far that only the regions which must be free for contacting the layer sequence remain uncovered by the thin-film encapsulation.
- Thin-film encapsulation thereby acts as additional protection of the layer sequence, in particular of the active organic layer, against reactions and / or oxidation processes with the environment.
- the Dünnfilmverkapselung is for example a
- Layers of the layer sequence is deposited.
- the thin-film encapsulation has a layer thickness of
- the thickness of the thin-film encapsulation is ⁇ 1000 nm or ⁇ 400 nm or ⁇ 300 nm. According to at least one embodiment, the
- Stromleitschienen at least partially covered with an insulating material.
- Substrate top run, at least partially coated with the insulating material. For example, due to a mechanical pressure on the light
- the metallic cathode could through the active organic layer on the
- a substrate having a substrate top side is provided.
- a layer sequence is applied to the substrate top.
- Substrate top should remain at least partially free of the layer sequence. Therefore no layer sequence is applied in this area or the layer sequence is removed again in a later step.
- the application of the layer sequence can several aspects of the application of the layer sequence.
- Intermediate steps include. For example, a transparent conductive anode, a grid of conductor rails, one or more active organic layers, a reflective cathode and a thin-film encapsulation are applied successively to the substrate top side.
- a capsule glass is provided with a capsule glass bottom.
- an adhesive layer can be applied. Furthermore, on the capsule glass bottom
- the substrate and the capsule glass are joined together, with the substrate top side and the capsule glass bottom side facing each other.
- the assembly is preferably carried out so that the adhesive layer is arranged in the edge region of the substrate top.
- the spacers and the adhesive layer are applied to the capsule glass underside in a common screen printing process or inkjet process or pad printing process.
- the spacers and the adhesive layer have the same
- Spacers are introduced directly into the capsule glass, for example by structuring the capsule glass.
- Figures 1 and 2 are schematic side views of
- Figures 3a and 3b are schematic plan views
- FIGS 4a to 4c are schematic representations of individual
- the substrate 1 can for
- Example be transparent to visible light.
- Layer sequence 2 in this case comprises a transparent conductive electrode 21, for example an anode 21, which is placed on the
- the transparent conductive anode 21 is made, for example
- Stromleitschienen 210 in the direction perpendicular to the Main directions of extension g, for example, 60 ym.
- the thicknesses of the Stromleitschienen 210 perpendicular to the Main directions of extension g for example, 60 ym.
- Substrate top 11 are, for example, 4 ym each. Furthermore, the Stromleitschienen are made for example of a chromium-aluminum-chromium layer sequence.
- a respective layer of insulating material 25 is arranged downstream of the current conducting rails 210.
- the insulating material 25 covers the side facing away from the substrate 11 side of the Stromleitschienen 210, for example, at least 99%.
- the insulating material 25 serves a possible short circuit between the anode 21 and a
- insulating material 25 is, for example, a layer of a photoresist or an epoxy resin.
- the average or maximum or minimum thickness of the layer of insulating material 25 is, for example, 1 ym to 6 ym.
- an active organic layer 20 downstream In a direction away from the substrate top 11 of the transparent anode 21 and the Stromleitschienen 210 is an active organic layer 20 downstream.
- Organic layer 20 is placed over the Stromleitschienen 210 that in areas of the Stromleitschiene 210, the active organic layer 20 seen from the substrate top side 11 is higher than in the areas between the
- Stromleitschienen 210 In Figure 1 provided for light emission emission regions 5 of the layer sequence. 2 disposed between the Stromleitschienen 210. Light, which from the active organic layer 20 in the
- Emission regions 5 is generated, for example, via the transparent anode 21 and the transparent substrate 1 from the light-emitting device 100 are coupled out.
- the device 100 is formed in Figure 1 as a bottom emitter.
- the transparent anode 21 and the transparent substrate 1 from the light-emitting device 100 are coupled out.
- the device 100 is formed in Figure 1 as a bottom emitter.
- the layer sequence 2 furthermore has a second electrode 22, for example a cathode 22.
- the cathode 22 is disposed downstream of the active organic layer 20 in a direction away from the substrate top 11.
- the layer sequence 2 in FIG. 1 is provided with a thin-film encapsulation 23, for example made of silicon oxide.
- the thin-film encapsulation 23 preferably covers all sides of the layer sequence 2 that are not covered by the
- Substrate top 11 are covered.
- the thin-film encapsulation 23 can completely cover all sides of the layer sequence 2 in those areas which need not be left uncovered for external electrical contacting.
- the layer thickness of the thin-film encapsulation 23 is, for example, 100 nm.
- the thin-film encapsulation 23 serves, in particular, for protecting the layers in the layer sequence 2, for example the active organic layer 20, from reactions and
- the layer sequence 2 in FIG. 1 therefore comprises the anode 21, the current conductor rails 210, the insulating material 25, the active organic layer 20, the cathode 22 and the
- the layer sequence 2 has, for example, a lateral extent along the
- the substrate top 11 is free in the edge regions 12 of the layer sequence 2.
- the edge regions 12 of the layer sequence 2 are free in the edge regions 12 of the layer sequence 2.
- Substrate top side 11 adjoin to side surfaces of the substrate 1, wherein the side surfaces of the substrate 1, the substrate 1 in the direction parallel to the substrate upper side 11 limit. On the edge regions 12 of the substrate top 11 each have an adhesive layer 6 is attached.
- Adhesive layer 6 has, for example, in each case a lateral extent parallel to the substrate top side 11 of 0.5 cm.
- the thickness of the adhesive layers 6 perpendicular to the substrate top 11 is for example 50 ym.
- the adhesive layers 6 in Figure 1 form a mechanical connection between the
- the adhesive layers 6 can be provided for the capsule glass 3 in a solid
- the capsule glass 3 is spaced apart from the substrate 2 by the adhesive layers 6 such that the capsule glass 3 and the layer sequence 2 are not in direct contact.
- the capsule glass 3 there is no direct contact between the capsule glass 3 and the layer sequence 2 in the Emission regions 5. Rather, there is a gap between the capsule glass 3 and the layer sequence 2.
- the gap may, for example, be filled with an inert gas such as argon.
- the inert gas such as argon.
- the capsule glass 3 is formed as a plate comprising two plane-parallel main sides.
- the main sides are parallel to the
- Substrate top 11 A facing the substrate 1
- Capsule glass bottom 31 is in Figure 1 in direct contact with the adhesive layers 6. Further, on the
- spacers 4 are, for example, the same
- the spacers 4 are arranged on the capsule glass underside 31 in such a way that, in a plan view of the substrate upper side 11, the spacers 4 are connected to the conductor rails 210
- the average or maximum or minimum width B ⁇ of the spacer 4 is also greater than the width Bg of the Stromleitschienen 210.
- the width B ⁇ of the spacer 4 but also be smaller than the width Bg of the Stromleitschienen 210.
- the width B ⁇ of the spacers 4 is, for example, as the extension of the spacers 4 perpendicular to the
- Main extension direction Tg of the Stromleitschienen 210 defines.
- the spacers 4 may in particular be formed as buffer points 41, wherein a buffer point 41 is a dome-like elevation of the capsule glass bottom 31.
- the adhesive layer 6 has a thickness such that the spacers 4 are not in direct contact with the layer sequence 2.
- the spacers 4 have, for example, a mean or maximum or minimum thickness perpendicular to the capsule glass bottom 31 of 20 ym.
- the spacers 4 are in direct contact with the layer sequence 2, for example by the spacers 4 on the
- FIG. 2 shows another embodiment of the light
- the transparent anode 21 is in a direction away from the
- Substrate top 11 placed on the Stromleitschienen 210 so that a direct contact between the Stromleitschienen 210 and the anode 21 is ensured.
- the anode 21 is arranged downstream of the active organic layer 20, wherein the active organic layer parallel to the substrate top side 11
- Organic layer 20 except for minor roughening or structuring, which are predetermined for example by the transparent anode 21, flat or even and in particular plane-parallel to the substrate top side 11th
- the insulating material 25 is not applied to the Stromleitschienen 210 in Figure 2, but is in the form of
- Substrate top 11 are the rails of the insulating Material 25 with the Stromleitschienen 210, for example, congruent or overlap at least 95%.
- the cathode 22 is so over the rails of the insulating
- Emission regions 5 rests on the active organic layer 20 and rests in the region of the rails of the insulating material 25 on said rails.
- the Stromleitschienen 210 are arranged in a grid, wherein three Stromleitschienen 210 in a common
- the Stromleitschienen 210 have a width Bg. Furthermore, the embodiment in Figure 3a spacers 4, which cover the Stromleitschienen 210 partially. The width B ⁇ of the spacers 4, measured perpendicular to the respective
- Main extension direction Tg is greater than the width Bg of the Stromleitschienen 210.
- the Stromleitschienen 210 in its entire width Bg.
- the width B ⁇ of the spacer 4 is at most twice or at most 1.5 times or at most 1.3 times the width Bg of the Stromleitschienen 210.
- the width B ⁇ of the spacer 4 is at least 0.5 times or 0.7 times or 0.9 times the width Bg of the power rails 210.
- the spacers 4 cover the
- Stromleitschienen 210 for example, at least 90%
- the spacers 4 could for a
- grating structure which is identical or similar to the grid structure of the Stromleitschienen 210.
- grating structure which is identical or similar to the grid structure of the Stromleitschienen 210.
- FIG. 3 b shows an exemplary embodiment of the entire light-emitting component 100, wherein the
- Component 100 is viewed in plan view of the substrate top side 11.
- the substrate 1 has a hexagonal
- Substrate top 11 are free of the layer sequence 2.
- the layer sequence 2 forms a continuous surface without interruptions or inclusions and has a round
- Substrate top 11 are covered with an adhesive layer 6.
- the adhesive layer 6 forms one around the entire
- Substrate top 11 is bounded by the adhesive layer 6.
- the capsule glass 31 (not shown in Figure 3b) is placed. This will be from the of the
- Adhesive layer 6 surrounded area in which also the
- Layer sequence 2 is arranged, for example a
- current conducting rails 210 are introduced into the layer sequence 2, which are arranged in a hexagonal grid are and intersect at crossing points 211. Further, in Figure 3b, the spacers 4 as buffer points 41st
- Each two adjacent buffer points 41 are separated from each other and spaced, for example, spaced at 3 mm. Furthermore, the buffer points 41 are matrix-like on the
- Capsule glass bottom 31 arranged so that in plan view of the substrate top 11, the buffer points 41 the
- the lateral extent of the buffer points 41 is parallel to
- a mechanical load of the device 100 in Figure 3b it comes advantageously only in the area of
- shown side views of embodiments of the device 100 are, for example, along the
- Figure 4a shows an embodiment of a
- a layer sequence 2 is applied to the substrate upper side 11 of the substrate 1. Edge regions 12, which adjoin the side surfaces of the substrate 1, remain free from the layer sequence 2. Unlike in
- Layers of the layer sequence 2 are generally not applied in one process step, but successively.
- FIG. 4b shows a further method step for
- the adhesive layer 6, as well as the spacers 4 and the buffer points 41 are deposited on the capsule glass bottom 31 of the capsule glass 3.
- the adhesive layer 6 and the spacers 4 can be applied simultaneously in a common screen printing process. This is particularly possible if the adhesive layer 6 and the spacers 4 have the same material or consist of the same material.
- Substrate top 11 is arranged. Furthermore, this is done
- the assembly of the capsule glass 3 and the substrate 1 is preferably carried out under an inert gas atmosphere, for example in the presence of a noble gas such as argon or helium. This advantageously prevents unwanted Foreign particles are trapped in a gap between the substrate 1 and the capsule glass 3.
- the invention encompasses every new feature as well as every combination of features, which in particular includes any combination of features in the patent claims, even if this feature or combination itself is not explicitly listed in the patent claims or exemplary embodiments.
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- Electroluminescent Light Sources (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112015000473.4T DE112015000473B4 (de) | 2014-01-23 | 2015-01-20 | Licht emittierendes Bauelement |
US15/112,517 US20160343971A1 (en) | 2014-01-23 | 2015-01-20 | Light-emitting device and method of producing a light-emitting device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014100770.0 | 2014-01-23 | ||
DE102014100770.0A DE102014100770A1 (de) | 2014-01-23 | 2014-01-23 | Licht emittierendes Bauelement und Verfahren zur Herstellung eines Licht emittierenden Bauelements |
Publications (1)
Publication Number | Publication Date |
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WO2015110417A1 true WO2015110417A1 (de) | 2015-07-30 |
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PCT/EP2015/050984 WO2015110417A1 (de) | 2014-01-23 | 2015-01-20 | Licht emittierendes bauelement und verfahren zur herstellung eines licht emittierenden bauelements |
Country Status (3)
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US (1) | US20160343971A1 (de) |
DE (2) | DE102014100770A1 (de) |
WO (1) | WO2015110417A1 (de) |
Families Citing this family (2)
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CN106449702B (zh) | 2016-09-20 | 2019-07-19 | 上海天马微电子有限公司 | 一种有机发光显示面板以及制作方法 |
CN111710710B (zh) * | 2020-07-02 | 2021-11-23 | Tcl华星光电技术有限公司 | Oled显示面板及其制作方法 |
Citations (4)
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DE102008049060A1 (de) * | 2008-09-26 | 2010-04-01 | Osram Opto Semiconductors Gmbh | Organisches, optoelektronisches Bauteil |
FR2938700A1 (fr) * | 2008-11-25 | 2010-05-21 | Commissariat Energie Atomique | Diode organique electroluminescente avec nervures electriquement conductrices au niveau de l'electrode inferieure, procede de realisation et panneau d'eclairage. |
US20120248489A1 (en) * | 2011-03-30 | 2012-10-04 | Semiconductor Energy Laboratory Co., Ltd. | Light-Emitting Device and Manufacturing Method Thereof |
DE102012203637A1 (de) * | 2012-03-08 | 2013-09-12 | Osram Opto Semiconductors Gmbh | Organisches optoelektronisches Bauelement und Verfahren zur Herstellung eines organischen optoelektronischen Bauelements |
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JP3910864B2 (ja) * | 2002-03-04 | 2007-04-25 | ローム株式会社 | 有機el表示パネルおよびその製造方法 |
WO2005041217A1 (ja) * | 2003-10-28 | 2005-05-06 | Sumitomo Metal Mining Co., Ltd. | 透明導電積層体とその製造方法及び透明導電積層体を用いたデバイス |
KR20060024939A (ko) * | 2004-09-15 | 2006-03-20 | 엘지.필립스 엘시디 주식회사 | 액정표시장치용 컬러필터기판 및 그의 제조방법 |
US20070172971A1 (en) * | 2006-01-20 | 2007-07-26 | Eastman Kodak Company | Desiccant sealing arrangement for OLED devices |
JP2007242591A (ja) * | 2006-03-08 | 2007-09-20 | Samsung Sdi Co Ltd | 有機電界発光表示装置及びその製造方法 |
DE102006052029B4 (de) | 2006-09-22 | 2020-01-09 | Osram Oled Gmbh | Lichtemittierende Vorrichtung |
DE102006060781B4 (de) | 2006-09-29 | 2021-09-16 | Pictiva Displays International Limited | Organisches Leuchtmittel |
EP2503851B1 (de) * | 2009-11-17 | 2018-07-11 | Unified Innovative Technology, LLC | Organische el-anzeige |
TWI418064B (zh) * | 2010-11-16 | 2013-12-01 | Au Optronics Corp | 發光裝置 |
JP2013109836A (ja) * | 2011-11-17 | 2013-06-06 | Mitsubishi Heavy Ind Ltd | 有機elパネルの製造方法及び有機elパネルの封止装置 |
JP6110695B2 (ja) * | 2012-03-16 | 2017-04-05 | 株式会社半導体エネルギー研究所 | 発光装置 |
CN103176650B (zh) * | 2013-03-01 | 2016-09-28 | 南昌欧菲光科技有限公司 | 导电玻璃基板及其制作方法 |
JP5991490B2 (ja) * | 2013-03-22 | 2016-09-14 | 株式会社ジャパンディスプレイ | 有機エレクトロルミネッセンス表示装置 |
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- 2014-01-23 DE DE102014100770.0A patent/DE102014100770A1/de not_active Withdrawn
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2015
- 2015-01-20 WO PCT/EP2015/050984 patent/WO2015110417A1/de active Application Filing
- 2015-01-20 US US15/112,517 patent/US20160343971A1/en not_active Abandoned
- 2015-01-20 DE DE112015000473.4T patent/DE112015000473B4/de active Active
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DE102008049060A1 (de) * | 2008-09-26 | 2010-04-01 | Osram Opto Semiconductors Gmbh | Organisches, optoelektronisches Bauteil |
FR2938700A1 (fr) * | 2008-11-25 | 2010-05-21 | Commissariat Energie Atomique | Diode organique electroluminescente avec nervures electriquement conductrices au niveau de l'electrode inferieure, procede de realisation et panneau d'eclairage. |
US20120248489A1 (en) * | 2011-03-30 | 2012-10-04 | Semiconductor Energy Laboratory Co., Ltd. | Light-Emitting Device and Manufacturing Method Thereof |
DE102012203637A1 (de) * | 2012-03-08 | 2013-09-12 | Osram Opto Semiconductors Gmbh | Organisches optoelektronisches Bauelement und Verfahren zur Herstellung eines organischen optoelektronischen Bauelements |
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DE102014100770A1 (de) | 2015-07-23 |
DE112015000473B4 (de) | 2021-10-28 |
DE112015000473A5 (de) | 2016-10-13 |
US20160343971A1 (en) | 2016-11-24 |
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