CN110299349A - Three-dimensional OLED light fixture and preparation method thereof - Google Patents
Three-dimensional OLED light fixture and preparation method thereof Download PDFInfo
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- CN110299349A CN110299349A CN201910635086.8A CN201910635086A CN110299349A CN 110299349 A CN110299349 A CN 110299349A CN 201910635086 A CN201910635086 A CN 201910635086A CN 110299349 A CN110299349 A CN 110299349A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/50—Assembly of semiconductor devices using processes or apparatus not provided for in a single one of the subgroups H01L21/06 - H01L21/326, e.g. sealing of a cap to a base of a container
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/065—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L27/00
- H01L25/0657—Stacked arrangements of devices
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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
- H10K59/17—Passive-matrix OLED displays
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- Microelectronics & Electronic Packaging (AREA)
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- Condensed Matter Physics & Semiconductors (AREA)
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- Electroluminescent Light Sources (AREA)
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Abstract
Disclose a kind of solid OLED light fixture and preparation method thereof.The solid OLED light fixture includes: at least two pieces of oled panels；Wherein the first oled panel has the first luminous pattern, and the second oled panel has the second luminous pattern；Wherein in the first oled panel and the second oled panel at least one piece be transparent；Accept the jig of the first oled panel and the second oled panel；Wherein the first oled panel and the second oled panel are separated from each other setting in jig along y-axis, and wherein y-axis is perpendicular to the luminous flat of at least one oled panel, and the first luminous pattern and the second luminous pattern only partially overlap；Wherein the placement of the first oled panel and the second oled panel is limited to jig；Wherein at least two pieces of oled panels illuminate simultaneously.The OLED light fixture economical can easily realize space pattern illumination functions.
Description
Technical field
The present invention relates to OLED lighting technical fields.Particularly, it is related to a kind of OLED light fixture and preparation method thereof.More
Particularly, it is related to a kind of solid OLED light fixture and preparation method thereof.
Background technique
By using polarizer, lenticule or special circuit design (US 6,359,664, US 6,485,884, US
7,221,332, US 2002/0075566, US 2002/0158574, US 2004/0012851) may be implemented it is some three-dimensional aobvious
Show effect.But these stereoscopic displays require complicated pixelation process and integrated step, which increase manufacturing costs.It is another
Aspect can obtain some simple stereoscopic displays by the assembling of simple light fixture.It, will in KR20180074992A
One folded transparent glass panel is etched into different shapes in advance and is assembled into a jig, wherein one group of LED light respectively will be different
Light be irradiated on each glass panel from side/bottom of glass panel, as shown in Figure 1.The assembling brings a colour
Transparent stereo pattern.However, in order to generate the pattern, each panel must be etched into different shapes in advance, and LED
Use the complexity for inevitably bringing clumsy design and assembling.
In other transparent OLED illumination showpiece as shown in Figure 2, (https: //www.homecrux.com/
panasonic-introduces-transparent-oled-display-concept-at-salone-del-mobile/
121005/), transparent OLED luminescent panel is placed on before some articles.This transparent OLED panel is mainly used as decorating
Think that the object of panel back is interspersed.And panel itself is without stereoscopic visual effect, in addition this showpiece also only have one piece it is transparent
OLED luminescent panel.One group of oled panel is described in patent CN109555983A, and adjustable shine is formed by assembling superposition
The illumination module of color, wherein at least one piece of oled panel is transparent.However, the application only as general lighting or intersperses photograph
It is bright, but there is no stereoscopic visual effect.In patent CN109253404A, transparent OLED luminescent panel is placed on a reflection
Before source, when in use, reflection sources can be used to adjust light beam, and the transparent OLED luminescent panel when reflection sources are captured
It can be used as a see-through window.Although likewise, there is one group of face OLED including one piece of transparent panel in this application
Plate superposition uses, but it had not both formed specific pattern or without stereoscopic visual effect.
The implementation for carrying out irregular pixelation to each layer in stacked OLED device is described in US2015/01878846
Example, but final product is still monolithic ceramic luminescence panel, therefore since the limitation of distance is difficult to generate effective three-dimensional sense.And up and down
Two layers of " patterning " is made of pixel not of uniform size, and essence or pixelation are shown, complex process and preparation cost
It is high.Different OLED luminescent panels are overlapped in vertical direction although having in WO2013057789A1, between each deck panels
Use vertical electrode contact to drive, this is very big challenge to technology for preparing electrode, and these panels are each other not
Heterogeneous Permutation is shown also without specific pattern.Muti-piece OLED is shone finally, being illustrated in US2009/0284158A1
Panel, which forward laps, is assembled into the conception of direction board, and each piece of Display panel is all different pattern here, and every time can only
It is that one piece of panel shines, purpose does not lie in the three-dimensional sense for showing pattern, but in order to show difference on same display card
Content.
Transparent OLED paper folding (https: //inhabitat.com/rainbow-oled- as shown in Figure 3
Transparent-light-origami-folds-to-make-new-hues/ it) is also reported, in this application, largely
The transparent OLED luminescent panel of different colours is assembled into the object of a 3D.Here each piece of oled panel is no pattern
Or figure, mutual overlap between panel does not generate the pattern being pre-designed yet.As shown in Figure 4 (https: //
Www.oled-info.com/udc-updates-and-booth-visit-sid-2012), one be patterned it is transparent
OLED luminescent panel is placed on the front of another luminescent panel with identical figure.The assembling of the application is arbitrary,
This means that the relative position of the two panels is not fixed, two panels are not connected by a jig.Even if the two faces
Plate shows identical figure, and the combination of the two panels will not form complete pattern, without stereoscopic visual effect.Especially
Ground, the two panels it is luminous be it is alternate, i.e., the current or voltage variation tendency of two panels is just the opposite, be not simultaneously according to
It is bright.
In order to give full play to all the advantages of OLED the relevant technologies, the present inventor successfully develops one by further investigation
Kind three-dimensional illumination component, in this novel solid light fixture, by the OLED luminescent panel of one group of identical patterns by specific
Design carry out dislocation put, space pattern illuminating effect can be obtained.
Summary of the invention
The present invention is directed to provide a kind of convenient realization space pattern of economy by disclosing a kind of solid OLED light fixture
The solution of illumination.The light fixture passes through the face muti-piece OLED it includes one group of OLED luminescent panel with identical figure
The dislocation of plate puts to construct space pattern.
To achieve the above object, according to one embodiment of present invention, a kind of OLED light fixture is disclosed, includes:
At least two pieces of oled panels；Wherein the first oled panel has the first luminous pattern, and the second oled panel has the
Two luminous patterns；Wherein in the first oled panel and the second oled panel at least one piece be transparent；
Accept the jig of the first oled panel and the second oled panel；
Wherein the first oled panel and the second oled panel are separated from each other setting in jig along y-axis, wherein y-axis perpendicular to
The luminous flat of at least one oled panel, and the first luminous pattern and the second luminous pattern only partially overlap；
Wherein the placement of the first oled panel and the second oled panel is limited to jig；
Wherein at least two pieces of oled panels illuminate simultaneously.
According to one embodiment of present invention, wherein two pieces of oled panels along the immediate point-to-point transmission of y-axis distance
Not less than 0.1mm.
According to one embodiment of present invention, it further includes and is attached in the first oled panel and the second oled panel extremely
Few one transparent page.
According to one embodiment of present invention, wherein the transparent page includes different from the first luminous pattern or the second hair
The third figure of light figure.
According to one embodiment of present invention, wherein the third figure is imprinted on the transparent page.
According to one embodiment of present invention, wherein first luminous pattern and the second luminous pattern are essentially identical.
According to one embodiment of present invention, wherein first luminous pattern and the second luminous pattern are formed in jig
At least one corresponding relationship below: turned upside down, mirror image be inverted, horizontal displacement or rotary shifted.
According to one embodiment of present invention, wherein at least one piece of transparent OLED panel is put closer to direction of observation
The panel set.
According to one embodiment of present invention, wherein first oled panel or the second oled panel can be
PMOLEDs (passive OLED).
According to one embodiment of present invention, wherein at least one oled panel is flexible.
According to one embodiment of present invention, wherein further including third oled panel, wherein the face the third OLED
Plate has the third luminous pattern essentially identical at least one of first luminous pattern and the second luminous pattern.
According to one embodiment of present invention, wherein the jig further includes circuit drives module.
According to one embodiment of present invention, wherein the circuit drives module independently drives or drives described first jointly
Oled panel and the second oled panel.
According to one embodiment of present invention, wherein the first oled panel only sends out the light of the first color, the 2nd face OLED
Plate only sends out the light of second of color, the first described color and second of color can be identical or different.
According to another embodiment of the invention, comprising the following steps:
1. determining a unit figure, the arrangement of multiple unit figures is simulated, wherein unit figure misses one another to overlap and put
It sets and obtains target pattern；
2. oled panel domain is designed, wherein the luminous pattern of the oled panel and the unit figure are essentially identical；
At least two pieces of oled panels are prepared, wherein at least one piece is transparent OLED panel；
3. design jig is to accept the oled panel and its luminous pattern is made to realize the arrangement in step a；
4. at least two pieces of oled panels are assembled into jig；
Wherein step 2 and step 3 can occur simultaneously, or with the progress of any sequencing.
According to one embodiment of present invention, the step 1 further comprises determining target pattern and is decomposed to list
Element pattern.
According to one embodiment of present invention, wherein the position closer to direction of observation is arranged in the transparent OLED panel
It sets.
According to one embodiment of present invention, the step 4 further comprises between at least two pieces of oled panels
It is inserted into transparent page.
According to one embodiment of present invention, wherein being printed on the figure different from the unit figure on the transparent page
Shape.
According to one embodiment of present invention, wherein design jig further includes design circuit drives module.
In the present invention, the solid OLED light fixture passes through one group of mutually overlapping OLED hair with identical figure
Optic panel constructs space pattern.In order to form a complete space pattern, there is a certain distance between these panels, and
According to the pattern designed in advance, intentional dislocation is put.Due to panel graphic designs having the same, thus manufacturing process is simple,
It is at low cost.Especially when being fabricated to flexible OLED panel, monolithic panel can accomplish it is very thin, even if the component after multiple-layer overlapped
It can still accomplish relatively frivolous, better reflect compared to the great advantage in conventional lights source.Therefore the light fixture provides one
The economic convenient solution for realizing space pattern illumination of kind.The program can be widely applied to decorative lighting.
Detailed description of the invention
Fig. 1 is existing a folded transparent glass panel is etched into different shapes in advance and is assembled into showing for a jig
It is intended to.
Fig. 2 is the schematic diagram of existing transparent OLED illumination showpiece.
Fig. 3 is the schematic diagram of existing transparent OLED paper folding.
Fig. 4 is the existing transparent OLED luminescent panel being patterned and another luminescent panel with identical figure
The schematic diagram of assembling.
Fig. 5 a is the cross-sectional view of a basic oled panel；Fig. 5 b is that the OLED with a preceding epiphragma shines
The cross-sectional view of panel；5c is the cross-sectional view for having the OLED luminescent panel of additional encapsulated layer on substrate；Figure
5d is the cross-sectional view with the OLED luminescent panel of epiphragma after one.
Fig. 6 a is the schematic diagram of layered graph；Fig. 6 b is the schematic diagram of structure further；It is to stack showing for structure further with 6c
It is intended to.
Fig. 7 a be single layer bamboo grove pattern schematic diagram and Fig. 7 b be multilayer bamboo grove pattern schematic diagram.
Fig. 8 a be single layer reed pattern schematic diagram and Fig. 8 b be multilayer reed pattern schematic diagram.
Fig. 9 a is the schematic diagram of anode domain；9b is the schematic diagram of organic layer domain；9c is the schematic diagram of cathode domain；9d
It is the schematic diagram of encapsulated layer domain；It is the schematic diagram of whole domain with 9e.
Figure 10 is transparent blue OLED device structural schematic diagram.
Figure 11 is the organic material chemical structural formula figure used in transparent blue OLED device.
Figure 12 a is pictorial diagram when lighting before transparent blue OLED luminescent panel is cut；It is transparent blue OLED with Figure 12 b
Pictorial diagram when being lighted after luminescent panel cutting.
Figure 13 a and Figure 13 b are the pictorial diagrams of two pieces of transparent blue OLED luminescent panel multiple combinations modes.
Figure 14 is bottom emitting Blue OLED device architecture schematic diagram.
Figure 15 a is pictorial diagram when lighting before bottom emitting Blue OLED luminescent panel is cut；It is bottom emitting blue with Figure 15 b
Pictorial diagram when being lighted after the cutting of OLED luminescent panel.
Figure 16 a-16d is a variety of of two pieces of transparent blue OLED luminescent panels and one piece of bottom emitting Blue OLED luminescent panel
Combination pictorial diagram.
Figure 17 is transparent red OLED device structural schematic diagram.
Figure 18 is part organic material chemical structural formula figure used in transparent red OLED device.
Figure 19 a is transparent red OLED cell panel pictorial diagram；Figure 19 b-19e is the more of two pieces of transparent red oled panels
Kind combination pictorial diagram；Figure 19 f is the pictorial diagram of three pieces of red oled panel combinations.
Figure 20 a-20c is various groups of a transparent red OLED luminescent panel and a transparent blue OLED luminescent panel
Conjunction mode pictorial diagram.
Figure 21 a-21c is the jig schematic diagram that can place 3 pieces of panels.
Figure 22 a is the exemplary front view of dynamic jig；It is the exemplary side view of dynamic jig with Figure 22 b.
Figure 23 a is the schematic diagram of the graphical examples additionally printed；It is that the figure additionally printed is added to Figure 23 b
Exemplary pictorial diagram in OLED luminescent panel component.
Figure 24 is the flow chart for manufacturing solid OLED light fixture.
Specific embodiment
In our invention, we disclose a kind of three-dimensional illumination components, and it includes one group of phases with identical figure
Mutually overlapping OLED luminescent panel.In order to form a complete pattern, there is a certain distance between these panels, and according to
The intentional dislocation of the pattern designed in advance is put.At least one of piece of OLED luminescent panel is transparent panel.These combinations
Oled panel illuminates simultaneously.It is at low cost since thus manufacturing process is simple for panel graphic designs having the same.It is a kind of to manufacture this
The method of kind luminescence component includes: 1) to determine a unit figure, and multiple unit figures is allowed to pass through translation dislocation, overturning
Be inverted or mirror image be inverted etc. and be rearranged into a new target pattern；2) OLED light-emitting surface is prepared according to unit figure
Plate, wherein at least one OLED luminescent panel is transparent；3) according to the arrangement design jig of step 1；4) according in step 1
Panel sectional into jig and is realized target pattern by arrangement.Wherein, step 2) can be exchanged with sequence 3) or parallel be carried out.
The component can be used as ornament lamp.
" OLED device " includes anode as described herein, cathode, and between a cathode and an anode one or more layers has
Machine layer." oled panel " includes substrate as described herein, OLED device, encapsulated layer and at least one extend to the sun in outside
Pole contact position extends to the cathode contacts position in outside at least one." oled panel " does not include coating.
" encapsulated layer " can refer to thin-film package as described herein, and thickness is less than 100 μm, including is set up directly on OLED device
Single film or film lamination on part, or can be the cover glass being adhered on substrate.
" flexible print circuit ", which refers to, as described herein is coated with following any or their combination any flexible base
Plate, including but not limited to: conductor wire, resistor, capacitor, inductor, transistor, MEMS etc..Flexible substrates for FPC piece
It can be plastics, thin glass is coated with the thin metal foil of insulator, fabric, leather, paper etc..FPC piece thickness is less than 1mm, more preferably
Less than 0.7mm.
" light-extraction layer " can refer to diffusion disk as described herein, with light extraction effect any micro-structure, or have to
The film coating of outer coupling effect.Light-extraction layer can be set on the surface of oled substrate or any other suitable position,
Such as between substrate and ITO layer, between organic layer and cathode layer, between cathode and encapsulated layer or above encapsulated layer etc..
As described herein, one " pattern " reproduction referred to object formalness, it is usually similar to reality.One
" pattern " generally comprises be easy to be recognized and understood in perhaps information.
As described herein, one " figure " not necessarily has high similarity with reality as " pattern ", thereby increases and it is possible to no
Directly understood.One " figure " can be a kind of discontinuous form.One " figure " can be the part of one " pattern ".
As described herein, one " figure " or " pattern " have a principal plane, and " rotation " operation is appointed along in principal plane
Meaning a little carries out the rotation of certain angle in principal plane.One special case of " rotation " be " turned upside down " one " figure " or
" pattern ", i.e., any point planar rotates 180 degree in principal plane；" mirror image inversion " one " figure " or " pattern " is
180 degree is rotated by rotary shaft of straight line any in principal plane." mirror image inversion " movement may include left and right mirror image be inverted or
It is that mirror image is inverted up and down.
As described herein, term " filling rate " refers to the area ratio of light emitting region and entire panel.
As described herein, term " light-emitting area " refers to luminescent device Anodic layer, what organic layer and cathode layer were overlapped jointly
Partial area does not include light extraction effect." light-emitting area " does not include edge-lit, and the hemispherical not represented in three-dimensional shines
Space.
As described herein, term " luminous flat " refers to that luminous face of OLED.One " luminous flat " should be with
One of substrate or encapsulated layer are parallel, or parallel with this two.For a flexibility OLED luminescent panel, " shine flat
Face " can be curved surface.
As described herein, term " dislocation is overlapping " refers to that two identical figures are stacked but are not overlapped, i.e. the figure of phase poststack
Case is different from the pattern of phase prestack.
As described herein, term " independent driving " refers to that each oled panel can work independently in some operating point,
Do not change with the variation of other panel operating points.Opposite, term " common driving " refers to the work of each oled panel
Point can change with the variation of other any panel operating points.Note that the oled panel under " common driving " can work
Different operating points.
As described herein, term " illuminating simultaneously " can refer to multiple OLED luminescent panels substantially while reach nominal operation
Point, i.e., open simultaneously, but the rated operation point of each OLED luminescent panel can not be identical；" illuminating simultaneously " can also refer to more
The work of a OLED luminescent panel is under same current or voltage variation tendency, for example, brightening together or dimmed together, still
It brightens or dimmed rate can be different, and the value for the maximum or minimum current or voltage being finally reached can also be different；
" illuminating simultaneously " also may include an OLED luminescent panel and open or close first time point, second OLED light-emitting surface
Plate makes two pieces of oled panels there are third time point while reaching volume the case where opening or closing at second time point
Determine operating point.Note that in any case, multiple OLED luminescent panels of " illuminating simultaneously " will not work in opposite electric current or electricity
Press variation tendency under, such as one piece of panel brightening and another piece just it is dimmed or one in opening operation and it is another
A situation in shutoff operation.
The sectional view of one basic OLED luminescent panel is shown in fig 5 a.OLED luminescent panel 300 contains substrate
301, an OLED device 310, a pair of contact electrode 303 is electrically connected with OLED device 310, thin film encapsulated layer 302 but handle
The exposure of electrode 303 is contacted, a pair of contact electrode 303 is connect by a bonding structure 304 with external drive circuit.Substrate 301 can
To be hard such as glass, it is also possible to flexible such as plastics.OLED device 310 can be bottom luminescent device, top illuminating device,
Or transparent devices, i.e. two sides can all shine.Encapsulated layer 302 can be through the deadlocked cover glass on substrate of adhesive.
In another scheme, encapsulated layer 302 can be thin-film encapsulation layer, such as film glass, and the inorganic layer or organic-inorganic of single layer are handed over
The multilayered structure replaced.Contact electrode 303 may include at least one positive contact and a cathode contacts.It can be by preceding epiphragma
305 are added to basic flexible OLED luminescent panel, as shown in Figure 5 b.Preceding epiphragma 305 can be flexible print circuit (FPC)
Plate has printed the circuit being pre-designed on it and has been electrically connected to OLED device 310 by binding structure 304.In another kind
In scheme, bonding structure 304 can be FPC frame, and preceding epiphragma 305 can be a plastic film and provide mechanical support.It uses
FPC plate drives the specific descriptions of OLED luminescent panel can to find in Chinese patent application CN201810572632.3,
It is incorporated in entirety by reference, it is not in the range of the application covers.Preceding epiphragma 305 also may include light-extraction layer.When
When OLED device 310 is that top shines, preceding epiphragma 305 can be transparent in light emitting region.Preceding epiphragma 305 can be the above
Combination.Additional thin-film encapsulation layer 306 can be coated on one side or the two sides of substrate 301, as shown in Figure 5 c.Preceding epiphragma
Additional thin-film encapsulation layer 306 can be coated, but is not shown in figure herein.In figure 5d, rear epiphragma 307 is covered to base
Plate 301.Epiphragma 307 can be used for mechanical support afterwards.When flexible OLED is bottom emission device, rear epiphragma 307 can be light
Extract layer.Epiphragma 307 can be combinations of the above afterwards.The OLED luminescent panel by be three-dimensional OLED light fixture framework base.
In this work, we explore a kind of method of economy, and the superposition by using OLED luminescent panel carrys out structure
A space pattern is built, at least one piece is transparent panel in these panels.Each OLED luminescent panel has same figure, and can
It is at least partly coincided with one another with being arranged to these figures, while having distance interval again.In assembling, these OLED luminescent panels
Can be by turned upside down, mirror image is inverted, rotation or simply be displaced on other panel parallel planes.One jig can be with
It is designed to accept this assembling.By the way that OLED luminescent panel to be spaced apart, space or depth perception can be manufactured so that most
It is integrated eventually to produce a three-dimensional luminous pattern.Meanwhile by each OLED luminescent panel using same figure to reduce
Cost of manufacture.Specific description is seen below.
One mountain scene is chosen as preliminary aim pattern, as shown in Figure 6 a.It is arbitrary when the selection major part of pattern, so
And, it is preferred that one is multi-level, asymmetrical, while having the pattern of more similar repetitive pattern again.This pattern with
Be broken down into a unit figure, as shown in Figure 6 b.Fig. 6 c illustrates how to assemble 3 such units with 3 d effect graph
Figure constitutes a final pattern.Here it is vertical with graphics plane to define y-axis for we, and x is parallel with z-axis with graphics plane
And it is perpendicular to one another.Since there are spacing in y-axis for this 3 figures, can produce when being viewed from the front a space or depth perception after
And generate three-dimensional sense.In addition, same figure can seem different due to the relative displacement in x-axis and z-axis direction, so that
The combination of all 3 figures has produced a completely new pattern.Here key is that these three figure only parts are overlapped,
Rather than perfect alignment.In some embodiments, unit figure can be inverted by turned upside down, mirror image, or rotation is next rich
Rich vision content.Note that final target pattern can be smaller than unit figure.This is because usually preferred only expose 3 figures
The part of shape overlapping, and rest part is hidden in jig.The arrangement of positions of panels can be to be designed in advance, this will bring
One fixed final products.In some embodiments, this arrangement can be can dynamically be existed down to panel by user
It is moved in certain distance.The overlapping scheme of analogue unit figure can be obtained by various graphics softwares, be professional in the field
Known to personage.Graphic simulation is carried out using Rhinos (rhinoceros) software in this example.Some other multilayer patterns is shown
In Fig. 7 and Fig. 8.Fig. 7 a and 7b illustrate single layer and multilayer bamboo grove pattern, and Fig. 8 a and 8b illustrate single layer and multilayer reed figure
Case.
On the other hand, a unit figure can be first determined, and then manufacture dislocation carries out multiple-layer stacked to generate one
Final goal pattern.The number of plies, the i.e. quantity of OLED luminescent panel, can be not quite similar.The number of plies is more, and the content of final pattern is just
It is abundanter.However, the number of plies is more, the space occupied is also bigger.Thus, there is a power in final visual effect and space
Weighing apparatus.The number of plies, that is, panel number can be between 2-10, between more preferably 3-5.
After final determining unit figure and corresponding target pattern, the domain of OLED luminescent panel can be designed
?.There is the extensive rule of some panel designs to can be used for the present invention.Firstly, light emitting region can determine according to the effect of expectation
It is fixed and substantially identical as preliminary aim figure.For example, in the mountain scene figure that Fig. 6 b is shown or 601 part of top or bottom
Hold 602 parts that can shine.Secondly, must at least have a transparent OLED luminescent panel in final assembling.It is equal in order to reach
Even to shine, the matching needs between traditional ito anode and translucent cathode resistor value are calculated, and contact the design needs of electrode
In view of this difference.Specific panel design is in the field known to professional person to reach higher uniformity, therefore not
In the discussion of the present invention.Third, the service life of transparent devices is often a primary concern, therefore can be implanted into volume in a package
Outer drying sheet.In this case, more regions need to be devised to hide nontransparent drying sheet in packaging frame.
OLED luminescent panel can graphically pass through the overlapping region of design anode layer, organic layer and cathode layer, coating metal cabling
(US 8,927,308, US 8,432,095), or in anode and organic layer/be inserted into non-conductive dielectric layer between organic layer and cathode
It obtains (US 9,184,420).There are many modes for OLED luminescent panel graphical, and widely professional person institute is ripe in the field
Know.
We include anode layer, organic layer, cathode layer and encapsulated layer for one group of domain of above-mentioned special case graphic designs, are such as schemed
9a-9d is respectively shown in.This is designed by the square substrate based on 6 inches of 6 inches of x, i.e. near edge shown in Fig. 9 a
Block pattern 901.In order to reach peak filling rate, two module unit figures are disposed on one piece of substrate.It can be seen that encapsulation
Layer (in Fig. 9 d) is more much larger than being actually needed.This is nontransparent dry to integrate in order to reserve enough spaces in packaging area
Dry and do not interfere luminous pattern, the region 902 irised out in whole domain such as in Fig. 9 e.Structure further hair is calculated
Light area is 39.06cm2.And the luminous pattern is roughly the same with unit figure.
Then we are prepared for OLED luminescent panel according to above-mentioned domain.One transparent blue light OLED device 100 is produced
In 0.7 millimeters thick, the glass substrate 101 of 6 inches of x, 6 inches of sizes, device architecture is drawn in Figure 10.One preparatory figure
ChangeThick ITO layer is provided on the glass substrate as anode layer 102, is therewithLG101 (can be from Korea Spro
State LG Chem purchase) composition hole injection layer (HIL) 103,Hole transmission layer (HTL) 104, Blue light electricity
Sub- barrier layer (BEBL) 105,Luminescent layer (EML) 106 include that a Blue-light emitting host material (BH) is doped with 4%
Blue light emitting material (BD),Blue light hole blocking layer (BHBL) 107,Electron transfer layer (ETL) 108 include
There is LG201 (can buy from South Korea LG Chem) to be doped with 60%Liq,Liq is as electron injecting layer (EIL) 109, and one
A cathode layer 110 isYtterbium is followed byMagnesiumization silver, wherein Ag doping ratio is 10%, is finallyCap layer
(CPL)111.(HI) is injected in hole, hole transport (HT), blue light electronic blocking (BEB), blue light hole barrier (BHB), and electronics passes
The example of defeated (ET), blue light main body (BH), blue light emitting (BD) and cap layer (CAP) material is as shown in figure 11.All organic layers
It is all deposited under the vacuum environment less than 1E-6Torr with cathode layer.The OLED luminescent panel is in a nitrogen environment with 0.7 milli
The thick cover glass encapsulation of rice, bonds glue UV photocuring.Drying sheet is inserted between packaged glass and substrate such as Fig. 9 e
In 902 region, to further increase the service life.Note that the device architecture is merely illustrative, any other transparent blue-light device structure
And material can be used to production OLED luminescent panel.
Above-mentioned transparent Nan dian Yao luminescent panel is cut into 2 module unit panels, panel 1 and panel 2 immediately, respectively shows
Unit figure.Figure 12 a is the pictorial diagram lighted before the panel is cut, and Figure 12 b is the pictorial diagram of separate unit panel after cutting.
Panel 1 and panel 2 are all without being added drying sheet in this illustration.Before being assembled into final goal pattern, this two pieces of panel quilts
Multiple combinations arrangement is attempted.For example, we can keep 602 regions (see Fig. 6 b) of two pieces of panels in combination bottom, such as scheme
Shown in 13a, this is similar to the mountain scene under a night sky；We, which can also rotate 180 degree, allows their 601 regions combining bottom,
As illustrated in fig. 13b, this has reproduced the black mountain scene under a blue sky.Further, there are two transparent OLED luminescent panels
Light-emitting surface, one issues one from anode and issues from cathode.The light that the two light-emitting surfaces issue can have different brightness even
The color not exclusively the same although close.It in some embodiments, can be by the anode light face of two pieces of panels or cathode
Light-emitting surface is placed towards front observer.In another case, can be by the anode light face of one piece of panel and another piece of panel
Cathodoluminescence facing towards front observer.In this manner, different layers can obtain different brightness or color slightly is inclined
It moves.Notice that this can also drive each panel to realize by independent.In all combinations, two pieces of OLED cell panels all at the same time according to
It is bright.Note that can also be placed in the position close to observer transparent although two pieces of panels are all transparent OLED in example
OLED, in the oled panel for placing single side transmitting far from observer position, such as top emitting or bottom emitting.
In addition to two above transparent panel, third block OLED luminescent panel can be added in combination.Third block panel can
Equally it is transparent OLED with the same two pieces, is also possible to single side luminescent device, such as top emitting or bottom emitting.In this embodiment
In, we are further prepared for the Nan dian Yao luminescent panel an of bottom emitting.The device junction of bottom emitting Nan dian Yao device 200
Structure is drawn in Figure 14.With transparent devices only difference is that cathode or more, uses in bottom emitting OLED's
Aluminium is as cathode layer 120 and does not need cap layer.Every other layer is all identical as transparent devices 100.It is deposited and packaging technology
Also all identical as panel 1 and 2 before.Equally, bottom emitting blue-light device structure and material are not limited to shown in this example.OLED hair
Optic panel 3 is the module unit panel cut down from the bottom emitting panel, and in the combination before being added into.Due to panel
3 be not it is transparent, it need be placed on the rear end entirely combined, i.e., far from one end of observer.Figure 15 a is bottom emitting blue light
OLED luminescent panel before cutting light pictorial diagram, and Figure 15 b is the unit panel pictorial diagram after cutting.Finally it is being combined into
Before target pattern, these panels have been attempted multiple combinations arrangement.For example, we can keep 602nd area of all 3 pieces of panels
Domain is in combined bottom, as illustrated in fig 16 a；Alternatively, 601 regions of all 3 pieces of panels can be placed on the bottom of combination by we
Portion, as shown in fig 16b.We can be further by the emission of cathode of one of transparent panel facing towards front observer, such as
Shown in Figure 16 c and 16d.Equally, all three pieces of OLED cell panels all illuminate simultaneously in the above-described embodiments.Three pieces of panels it is folded
Add, compared with the superposition of two pieces of panels, illustrates more levels and richer content.
Next, we are prepared for transparent red OLED luminescent panel, device architecture 300 is shown in Figure 17.One
It is patterned in advanceITO is provided on glass substrate 101 as anode layer 102, followed by by's
The HIL103 that LG101 is constituted,HTL304,Feux rouges electronic barrier layer (REBL) 305,EML306 packet
Contain the red emitting material (RD) that a feux rouges material of main part (RH) is doped with 2%,Feux rouges hole blocking layer (RHBL)
307,ETL308 include adulterate 60%Liq LG201, one layerThe EIL309 that ytterbium is constituted, is cathode later
Layer 310 isMagnesiumization is silver-colored, wherein adulterating 10% silver medal, is finallyCap layer 111.Feux rouges electronic blocking (REB), it is red
Photohole stops (RHB), and the example of feux rouges main body (RH) and red light-emitting (RD) material is as shown in figure 18, the same device of remaining layer material
Part 100.The black drying sheet bought from Dynics Inc company is sticked on packaged glass and is encapsulated in luminescent panel.
Note that the transparent red device structure and material system are merely illustrative.
Figure 19 a is the pictorial diagram of unit panel after cutting (panel before cutting is not shown).With above-mentioned similar, we are right
Two pieces of transparent feux rouges luminescent panels have carried out multiple combinations, as shown in Figure 19 b-19e.It is red that we further added third block
Light luminescent panel is in combination, as shown in Figure 19 f.The red light-emitting panel is bottom emitting device.
Above-mentioned each OLED luminescent panel only emits a kind of light of color.However, every piece of OLED luminescent panel is not necessarily intended to
The light for sending out color same.Figure 20 a-20c shows the group of transparent a Nan dian Yao luminescent panel and a transparent red optic panel
It closes, it is pink colour that area is overlapped in the case where two pieces of panels illuminate simultaneously.In another embodiment, the hair of OLED luminescent panel
Light figure can be different.
Notice that Figure 16 c is roughly the same with target pattern in the above examples, and other combinations are intended to show the present invention
Core content, so being not quite similar with target pattern.
One jig can be designed to accept the OLED luminescent panel of this group superposition.The distance between each panel can be with
It is various according to design.Distance between each panel can be greater than 0.1 millimeter.If using thin-film package, between each panel
Distance be preferably greater than 0.5 millimeter, to produce space or depth perception.Figure 21 a-21c shows that is accepted controlling for 3 pieces of panels
Has example, oled panel is together with a half structure (Figure 21 a) of jig in terms of front, and oled panel is together with jig from the side
One half structure (Figure 21 b), and the sectional view (Figure 21 c) of the jig of luminescent panel is not added.In this example, OLED light-emitting surface
Plate is inserted into the groove carved in advance in jig, and then their relative position just secures once assembly is completed.One
In a little embodiments, a jig be can be dynamically, so that user changes the position of panel.Such example in Figure 22 a and
It is drawn in 22b, the dynamic jig example of a front observation and side observation is illustrated in figure.Note that although luminescent panel
In such a device can be with shift position, but its displacement is limited by jig so being limited.Electrical contact can lead to
The bonding FPC plate, welding wire on OLED luminescent panel is crossed, sticks conducting resinl or flexible copper sheet etc. to realize.It is all these
All for known to professional person in the field.Institute's live wire, contact electrode can be hidden in frame and only manifest mesh
It marks on a map case.It can also include circuit drives module in jig to drive every piece of OLED luminescent panel.Circuit drives can be designed to
Each unit panel, or independent driving are driven simultaneously, and the latter is particluarly suitable for using in the case that each fascia color is different.But
Regardless of driving method, each luminescence unit panel can all illuminate simultaneously.
In some embodiments, additional figure can be printed on thin transparent page and be applied to one piece or more
On block OLED luminescent panel.Figure 23 a illustrates the example of such figure.This figure is printed in transparent plastic pages,
And it is inserted between two pieces of transparent Nan dian Yao luminescent panels as shown in fig. 23b.Thus easily add in final pattern
Enter more contents, and leaves more spaces to design.
When using the mask of a common cathode, luminous pattern generally also can in the state that luminescent panel extinguishes
See.In order to create a more transparent background under OFF state, preferably passive OLED (PMOLED) is shown.Usually exist
In PMOLED, only ITO layer is pixelation and connect with driver circuit, and organic layer and cathode layer are all coated with comprehensively.
Therefore organic layer and cathode layer can not expose apparent figure under OFF state, this is equivalent to increase transparency.
PMOLED's another advantage is that can change figure by relatively simple circuit control.In this way, these OLED luminescent panels
Different or dynamic pattern can be showed.Note that usual PMOLED only emits one kind although pattern can be different
The display of the light of color, the control of this and pixelation is different.
In another embodiment, at least one piece of OLED luminescent panel in component is flexible.Such flexibility OLED
The luminous flat of luminescent panel can be curved surface.The luminous pattern of flexible OLED luminescent panel can also be with unit figure basic one
It causes, and part is overlapped with the luminous pattern of other OLED luminescent panels.It but is to have spacing between these flexibility OLED luminescent panels
, and the distance between closest approach is not less than 0.1 millimeter between two pieces of panels, is preferably not less than 0.5 millimeter.Usual flexibility OLED
Panel can be accomplished very thin, be, for example, less than 100 microns of thickness, even if in this way, Multilayer panel superposition overall thickness also can control
In very thin range.Such as 3 pieces of 100 microns of thick flexible OLED panels are assembled with 0.1 millimeter of distance, it is final
Thickness is about 0.5 millimeter.This is that other lamp sources such as LED are difficult to accomplish.
One preparation solid OLED luminescence component method the following steps are included:
1. determining a target pattern.It is preferred that those include the pattern of repetitive unit figure.
2. decomposing preliminary aim pattern to unit figure.
3. combination is determined, so that by being superimposed to form target pattern by multiple unit figures.
4. the unit figure based on step 2 designs OLED luminescent panel domain, OLED luminescent panel is prepared according to domain.
5. the combination based on step 3 designs final jig.
6. combining these OLED luminescent panels into jig according to the design of step 3.
Wherein step 4 and 5 can carry out sequentially or simultaneously in no particular order.In another approach, step 1 and 2 can
With the step of being replaced by simply one unit figure of confirmation.The flow chart of the preparation method is drawn in Figure 24.As above
Described, jig can also include circuit drives module.
The above are merely the preferred embodiment of the present invention, and present invention is not limited to the above embodiments.It is appreciated that this field
The oher improvements and changes that technical staff directly exports or associates without departing from the spirit and concept in the present invention,
It is considered as being included within protection scope of the present invention.
Claims (20)
1. a kind of OLED light fixture, characterized by comprising:
At least two pieces of oled panels；Wherein the first oled panel has the first luminous pattern, and the second oled panel has the second hair
Light figure；Wherein in the first oled panel and the second oled panel at least one piece be transparent；
Accept the jig of the first oled panel and the second oled panel；
Wherein the first oled panel and the second oled panel are separated from each other setting in jig along y-axis, and wherein y-axis is perpendicular at least
The luminous flat of one oled panel, and the first luminous pattern and the second luminous pattern only partially overlap；
Wherein the placement of the first oled panel and the second oled panel is limited to jig；
Wherein at least two pieces of oled panels illuminate simultaneously.
2. OLED light fixture as described in claim 1, which is characterized in that wherein two pieces of oled panels most connect along y-axis
The distance of close point-to-point transmission is not less than 0.1mm.
3. OLED light fixture as described in claim 1, which is characterized in that further include be attached at the first oled panel and
The transparent page of at least one in the second oled panel.
4. OLED light fixture as claimed in claim 3, which is characterized in that wherein the transparent page includes being different from first
The third figure of luminous pattern or the second luminous pattern.
5. OLED light fixture as claimed in claim 4, which is characterized in that wherein the third figure is imprinted on the transparent page
On face.
6. OLED light fixture as described in claim 1, which is characterized in that wherein first luminous pattern and second shines
Figure is essentially identical.
7. OLED light fixture as claimed in claim 6, which is characterized in that wherein first luminous pattern and second shines
Figure forms at least one following corresponding relationship: turned upside down, mirror image inversion, horizontal displacement or rotary shifted in jig.
8. OLED light fixture as described in claim 1, which is characterized in that wherein at least one piece of transparent OLED panel is
The panel placed closer to direction of observation.
9. OLED light fixture as described in claim 1, which is characterized in that wherein first oled panel or the 2nd OLED
Panel can be PMOLEDs.
10. OLED light fixture as described in claim 1, which is characterized in that wherein at least one oled panel is flexible.
11. OLED light fixture as described in claim 1, which is characterized in that third oled panel is wherein further included,
Described in third oled panel have at least one of first luminous pattern and the second luminous pattern it is essentially identical
Third luminous pattern.
12. OLED light fixture as described in claim 1, which is characterized in that wherein the jig further includes circuit drive
Dynamic model block.
13. OLED light fixture as claimed in claim 12, which is characterized in that wherein the circuit drives module independently drives
Or first oled panel and the second oled panel are driven jointly.
14. OLED light fixture as described in claim 1, which is characterized in that wherein the first oled panel only sends out the first face
The light of color, the second oled panel only send out the light of second of color, the first described color and second color can be identical or not
Together.
15. a kind of method for preparing OLED light fixture, which comprises the following steps:
1. determining a unit figure, the arrangement of multiple unit figures is simulated, wherein unit figure misses one another overlapping placement simultaneously
Obtain target pattern；
2. oled panel domain is designed, wherein the luminous pattern of the oled panel and the unit figure are essentially identical；Preparation
At least two pieces of oled panels, wherein at least one piece is transparent OLED panel；
3. design jig is to accept the oled panel and its luminous pattern is made to realize the arrangement in step a；
4. at least two pieces of oled panels are assembled into jig；
Wherein step 2 and step 3 can occur simultaneously, or with the progress of any sequencing.
16. method as claimed in claim 15, which is characterized in that the step 1 further comprises determining target pattern and will
It decomposes to unit figure.
17. method as claimed in claim 15, which is characterized in that wherein the transparent OLED panel setting is in closer observation
The position in direction.
18. method as claimed in claim 15, which is characterized in that the step 4 further comprises at least described in two pieces
Transparent page is inserted between oled panel.
19. method as claimed in claim 18, which is characterized in that be wherein printed on the transparent page different from the unit
The figure of figure.
20. method as claimed in claim 15, which is characterized in that wherein design jig and further include design circuit drives mould
Block.
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