CN103258838B - A display apparatus and a method for manufacturing the same - Google Patents
A display apparatus and a method for manufacturing the same Download PDFInfo
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- CN103258838B CN103258838B CN201310050890.2A CN201310050890A CN103258838B CN 103258838 B CN103258838 B CN 103258838B CN 201310050890 A CN201310050890 A CN 201310050890A CN 103258838 B CN103258838 B CN 103258838B
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Landscapes
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a display apparatus and a method for manufacturing the same. The display apparatus comprises a plurality of light-emitting devices formed on a substrate, a plurality of first components which are corresponding to the light-emitting components and are each directly formed on one part of the corresponding light-emitting device, and a plurality of second components formed in areas between adjacent first components. The first components and the second components are configured to reflect and guide at least one part of light which is emitted from the light-emitting part and passes through the first components.
Description
Technical field
The disclosure relates generally to a kind of display device.More specifically, it relates to a kind of employing luminescent device it is aobvious
Show equipment and be related to a kind of method for manufacturing display device.
Background technology
In recent years, luminaire and organic electro-luminescence display device are caught on.Luminaire and organic electroluminescence are sent out
Light display device is the equipment using organic electroluminescence device as luminescent device.In the following description, organic electroluminescent
Device is referred to as organic EL device, and organic electro-luminescence display device is referred to as organic EL display apparatus.In addition, in organic EL
In field of display devices, the technology to being developed for highly efficiently obtaining light has tight demand.If the efficiency for obtaining light is low,
Then cannot the amount of light that actually sends from organic EL device of effectively utilizes.Therefore, organic EL display apparatus are in the aspect meeting such as power consumption
Cause heavy losses.
Efficiency is obtained to improve light, a kind of organic EL display apparatus with reflector are had been provided for, such as Japan Patent is public
Open No. 2007-248484（Hereinafter referred to as patent documentation 1）Disclosed in.Organic EL disclosed in patent documentation 1 shows and sets
The standby light guide section 50 being included on hermetic sealing substrate 30 towards each display device as luminescent device 20.Light guide section 50 is used as anti-
Emitter.Light guide section 50 is with the light outgoing on the light entrance face 51 and the side relative with light entrance face 51 towards luminescent device 20
Face 52.In addition, light guide section 50 generally has the trapezoidal cross-section for extending from light entrance face 51 to light-emitting face 52 in a certain direction
Face.On the side 53 of light guide section 50, reflective membrane 54 is formed with.Reflective membrane 54 is by metal simple-substance, metal alloy or derivative material
Multilayer film made by material.The representative instance of metal is aluminum（Al）And silver（Ag）.In addition, by the reflective of light guide section 50 adjacent to each other
The space available air filling or the available intermediate layer 40 of at least a portion in the space that film 54 is surrounded is filled.Display device 20 sets
Put on driving substrate 10, and light guide section 50 is arranged on hermetic sealing substrate 30.By using generally by thermosetting resin or ultraviolet
Adhesive phase 41 made by line hardening resin will drive substrate 10 to be attached on hermetic sealing substrate 30.So that display device 20 is exposed to and leads
This mode in light portion 50 will drive substrate 10 to be attached on hermetic sealing substrate 30.Furthermore it is possible to pass through arrange light guide section 50 on the inside of with
Refractivity between on the outside of light guide section 50, makes light be totally reflected on side 53.It should be noted that in the following description, rise for convenience
See, above-mentioned existing reflector structure is referred to as face reflector structure.
The content of the invention
As described above, in the organic EL display apparatus disclosed in patent documentation 1, display device 20 is covered by adhesive phase 41
Lid.That is, adhesive phase 41 is present in the space between display device 20 and light guide section 50.Therefore, by display device 20
The light for sending is completely reflected on the interface between display device 20 and adhesive phase 41.Therefore, worry that light obtains efficiency and exists
May reduce in some cases.Light obtains efficiency effectively to be made outside display device 20 by the light that display device 20 sends
Efficiency.In addition, in some cases, will not travel to for showing from display device 20 and by the light of adhesive phase 41
Show the reflective membrane 54 of the light guide section 50 of device 20.Conversely, the light will inadvertently get into being enclosed by the reflective membrane 54 of adjacent light guide section 50
Into a part in.Even if most of all, can set on the inside of light guide section 50 and on the outside of light guide section 50 between refractivity
To provide total reflection of the light on side 53, patent documentation 1 do not include yet with regard to should by refractivity setting why be worth it is any
Specifically describe.
Accordingly, it is desirable to provide a kind of display that can further improve the efficiency for obtaining the light that outside is transmitted into by luminescent device
Equipment and the method for manufacturing the equipment.Further, it is desired to provide a kind of further can raising for manufacture obtain by lighting
Device is transmitted into the method and the method for manufacturing the equipment of the simple displaying equipment of the efficiency of the light of outside.
To realize above-mentioned first requirement, in one embodiment, there is provided a kind of display device, including multiple luminous organs
Part, is formed on substrate；Multiple first components, corresponding with luminescent device and being formed directly into corresponding luminescent device one
On point；And multiple second components, it is formed in the region between adjacent first component.First component and second component are configured
To reflect and guiding from illuminating part at least a portion for the light by first component for sending.
In another embodiment, there is provided a kind of electronic equipment, including display device, the display device includes multiple
Luminescent device, is formed on substrate；Multiple first components, it is corresponding with luminescent device and be formed directly into corresponding luminescent device
A part on；And multiple second components, it is formed in the region between adjacent first component.In this embodiment,
One component and second component are configured at least a portion for reflecting and guiding from illuminating part the light by first component for sending.
In another embodiment, there is provided a kind of method of manufacture display device.The method includes：Formed on substrate
Multiple luminescent devices；With luminescent device corresponding multiple first structures are formed in a part for corresponding luminescent device directly
Part；And the multiple second components for being formed are formed in the region between adjacent first component.In this embodiment, the first structure
Part and second component are configured at least a portion for reflecting and guiding from illuminating part the light by first component for sending.
In another embodiment, there is provided a kind of display device, including multiple luminescent devices, it is formed on substrate；It is many
Individual first component, corresponding with luminescent device, each first component is formed on corresponding in luminescent device；And it is many
Individual second component, is formed in the region between adjacent first component.In this embodiment, refractive index value n of first component1
With refractive index value n of second component2It is different.
According to the embodiment, even if reflective member etc. is not arranged on the interface between first and second component, also may be used
Further to improve the efficiency for obtaining the light that outside is transmitted into by luminescent device.In addition, according to being carried by first method embodiment
For for use as manufacturing the methods described of the method for display device, first component is built directly in above second electrode.Therefore,
Unlike the prior art, there is no loss in the light for obtaining from the light sent by luminescent device.Further, since second electrode with
There is adhesive phase at position between reflector, so this loss will be caused.Most of all, according to by second method reality
The mode of applying is provided for use as manufacturing the methods described of the method for display device, by using stamping die, it is possible to obtain include
The reflector layer of the adhesive phase as second component and the resin material layer as first component.Therefore, by using this letter
Single manufacture method, can manufacture a kind of display device that can improve the efficiency for obtaining the light that outside is transmitted into by luminescent device.
Description of the drawings
Fig. 1 is the illustraton of model of a part for the section for illustrating the display device according to first embodiment；
Fig. 2A and Fig. 2 B are to illustrate the sub-pixel matrix in the display device according to the first to the 5th embodiment respectively
Illustraton of model；
Fig. 3 is to illustrate that the brightness in the display device and typical comparison's display device 1 ' according to first embodiment
The schematic diagram of the curve of the analog result of Electric dipole radiation；
Fig. 4 A and Fig. 4 B are to illustrate the light beam in the display device and typical comparison's display device 3 according to the 3rd embodiment
Input/output state analog result schematic diagram；
Fig. 5 A are to illustrate that display device according to the 3rd embodiment, typical comparison's display device 3 and typical comparison show
The schematic diagram of the analog result of the Electric dipole radiation of the brightness in equipment 3 ', and Fig. 5 B are illustrated that according to employing come self-luminous
Curve of the angle of visual field of the light of device as the Energy distribution in the first component of the display device of the 3rd embodiment of parameter
Schematic diagram；
Fig. 6 is the illustraton of model of a part for the section for illustrating the display device according to the 4th embodiment；
Fig. 7 is the analog result of the Electric dipole radiation for illustrating the brightness in the display device according to the 4th embodiment 4B
Schematic diagram；
Fig. 8 is the illustraton of model of a part for the section for illustrating the display device according to the 5th embodiment；
Fig. 9 A to Fig. 9 F are a parts for the section that first substrate etc. is shown respectively and are used separately as manufacturing root
According to the method for the display device of first embodiment（That is, provided for use as making by the first method embodiment of the disclosure
The method for making a kind of method of display device）Summary description in reference explanatory diagram schematic diagram；
Figure 10 A to Figure 10 D are a parts for the section that glass substrate etc. is shown respectively and are used separately as manufacturing
According to the other method of the display device of first embodiment（That is, by the disclosure second method embodiment provide for use as
Method for manufacturing the other method of display device）Summary description in reference explanatory diagram schematic diagram；
Figure 11 is to illustrate the section by changing the typical revision obtained according to the display device of the 4th embodiment
A part illustraton of model.
Specific embodiment
Next, hereafter embodiment of the present disclosure will be illustrated by referring to schematic diagram.However, the enforcement of the disclosure is determined
It is not limited to the embodiment.That is, making in various digital and described embodiment used in the embodiment
Various materials are only typical.It should be noted that the explanation of the disclosure is divided into the theme for arranging in the following order.
1：The first and second method embodiments to the display device according to the disclosure and by the disclosure provide with
The general description of the method for the method for being respectively used to manufacture display device and adopting
2：First embodiment（Display device according to the disclosure and the first and second method embodiment party by the disclosure
The method that formula provides the method adopted for use as manufacture display device is respectively used to）
3：Second embodiment（A kind of revision of first embodiment）
4：3rd embodiment（Another revision of first embodiment）
5：4th embodiment（The another revision of first embodiment）
6：5th embodiment（Another revision of first embodiment）And other
Display device according to the disclosure and the first and second method embodiments by the disclosure provide for use as point
The general description of the method for the method that not Yong Yu be manufactured display device and adopt
In the following description, according to the display device of the disclosure and by adopting by first or second method of the disclosure
Embodiment provides general in some cases for use as the display device for manufacturing the method manufacture of the method for display device
The display device provided by the disclosure is provided.
Can expect in the display device provided by the disclosure or by adopting to be carried by the second method embodiment of the disclosure
For for use as manufacturing in the display device of method manufacture of the method for display device, luminescent device and first component phase each other
It is adjacent.Therefore, first component is always propagate directly to by the light that illuminating part sends.Therefore, light obtains efficiency and never reduces.
Can by by the disclosure provide for use as including above-mentioned desirable configuration display device display device be set as
Export the embodiment of the light for being transmitted into outside by each luminescent device by second substrate.It should be noted that the display device is at certain
The display device of top emission type is may be referred to as having in the case of a little.However, being never limited to tool according to the display device of the disclosure
There is the display device of top emission type.For example, it is also possible to using the light sent by each luminescent device is defeated by first substrate
Go out to outside structure.It should be noted that exporting outside by first substrate with the light for will be sent by each luminescent device
The display device of structure may be referred to as having the display device of bottom emission type in some cases.
In the desirable embodiment for implementing the display device with top emission type, protecting film and sealing material layer enter one
Step is formed on reflector layer.In this case, it may be desirable to which a kind of configuration is provided, wherein, relationship below is suitable for：
|n3-n4|≤0.3。
As a kind of replacement, it may be desirable to provide a kind of configuration, wherein, the relational expression for being hereafter deliberately given is suitable for：
|n3-n4|≤0.2。
In above-mentioned relation formula, reference markss n3And n4The refractive index of protecting film and sealing material layer is represented respectively.Therefore,
Effectively can prevent from being reflected and being scattered on interface of the light between protecting film and sealing material layer.It should be noted that a kind of configuration
First component and protecting film can be configured to operate as while being fabricated and being bonded to each other to form the configuration of coalition.In addition,
In including the top emission type display device of the desirable configuration, first component and the second base can will be sent and are passed through by luminescent device
Plate is exported to the amount of outside light and is set as the value in the range of 1.5 to 2.0, wherein, value 1 is represented and is sent from the center of luminescent device
Light amount.
If display device is color display apparatus, a pixel in color display apparatus be configured to include three it is sub
Pixel or at least four pixels.Three sub-pixels are for sending the emitting red light sub-pixel with red light, for sending
Has the green emitting sub-pixel of viridescent light and for sending the blue light-emitting sub-pixel with blue light.It is aobvious in the colour
In showing equipment, a kind of configuration as described below can be provided.Emitting red light sub-pixel is by for sending sending out with red light
Optical device is configured, green emitting sub-pixel by configuring for sending the luminescent device for have viridescent light, and the sub- picture of blue-light-emitting
Element is configured by the luminescent device for sending the light with blueness.In the top emission type display device including the desirable configuration
In, second substrate can be configured to include light filter, and luminescent device can be configured to send the light with white.In addition, every
Individual colorful light-emitting sub-pixel can be configured with the white luminescent device of light and the combination of light filter by being used to send.Match somebody with somebody at this
In putting, second substrate can be configured to the light-shielding film for including referred to as black matrix".By the same token, in the aobvious of bottom emission type
In showing equipment, first substrate can be configured to include light filter and the referred to as light-shielding film of black matrix".
In with the display device according to the desirable configuration of disclosure embodiment as above, pixel or sub-pixel
Can be configured by luminescent device.In this case, first component is may be constructed in the round platform for meeting relationship below（Or nothing
Head rotary body）Shape：
0.5≤R1/R2≤ 0.8 and
0.5≤H/R1≤2.0。
In above-mentioned relation formula, reference markss R1Represent the diameter of the light entrance face of first component, reference markss R2Represent the
The diameter of the light-emitting face of one component, and reference character H represents the height of first component.
It should be noted that the cross sectional shape of the inclined plane of round platform can be straight line, the combination of a plurality of line segment or curve.Should also jail
Note, the cross sectional shape of round platform are the shapes by the section above the virtual plane including the axis of round platform cut round platform and obtain
Shape.The technical term " cross sectional shape " is in the following description with identical meanings using.
In addition, it may be desirable to meet relationship below：
0.5≤R0/R1≤1.0。
In above-mentioned relation formula, reference markss R0Represent the diameter of illuminating part.
As a kind of replacement, in the display device with the desirable configuration according to disclosure embodiment as above
In, pixel or sub-pixel can be configured to include to assemble form one group of multiple luminescent devices.In this case, first component
May be constructed in the round platform for meeting relationship below（Or rotary body without a head）Shape：
0.5≤R1/R2≤ 0.8 and
0.5≤H/R1≤2.0。
In above-mentioned relation formula, reference markss R1Represent the diameter of the light entrance face of first component, reference markss R2Represent the
The diameter of the light-emitting face of one component, and reference character H represents the height of first component.
Can be by aggregation with typical range that the quantity set of the luminescent device for forming pixel or sub-pixel is 3 to 1,000
Value.It should be noted that the cross sectional shape of the inclined plane of round platform can be straight line, the combination of a plurality of line segment or curve.In addition, it may be desirable to
Meet relationship below：
0.5≤R0/R1≤1.0。
In above-mentioned relation formula, reference markss R0Represent the diameter of illuminating part.
Most of all, in the display device according to the desirable configuration of disclosure embodiment as above,
Material for making first component can be Si1-xNx、ITO（Indium tin oxide）、IZO（Indium-zinc oxide）、TiO2、Nb2O5、
Containing Br（Bromine）Polymer, containing S（Sulfur）Polymer, containing titanium polymer or containing zirconium polymer etc..On the other hand, for making the second structure
The material of part can be SiO2, MgF, LiF, polyimide resin, acrylic resin, fluorine resin, silicones, fluorine system polymer
Or silicon systems polymer etc..
There is provided also may be used including display device of required enforcement and required configuration being described above etc. below by the disclosure
It is referred to as the presently disclosed display device as the current techique term for display device.The display device may additionally include
Second electrode is built between first and second component or organic layer and second electrode is built between first and second component
Implement.In this case, the boundary on the interface between second component and second electrode or between second component and organic layer
On face, reflection is propagated through at least a portion of the light of first component.These enforcement be also included within wherein second component towards
Reflect on the surface of first component at least one of enforcement for the light for being propagated through first component.
In presently disclosed display device, pixel or sub-pixel can be configured by a luminescent device.However, the disclosure
Enforcement be never limited to the embodiment that pixel or sub-pixel are configured by a luminescent device.In this case, pixel or sub- picture
Element can be to form strip array, diagonal array, triarray or rectangular array etc. by layout.In addition, the enforcement of the disclosure is never
It is limited to the embodiment that pixel or sub-pixel are configured by the luminescent device of multiple aggregations.In this case, pixel or sub-pixel can
It is to form strip array by layout.
In the following description, for convenience, the first electrode and bottom emission type in the display device of top emission type
Display device in second electrode in some cases be also referred to as reflective electrode.Reflective electrode is by can serve as reflectorized material
Material is made.Using the reflective electrode as anode, the reflective electrode is made up of metal or alloy.Metal and alloy have higher
Work function value.The representative instance of the metal is platinum（Pt）, gold（Au）, silver（Ag）, chromium（Cr）, tungsten（W）, nickel（Ni）, copper（Cu）、
Ferrum（Fe）, cobalt（Co）And tantalum（Ta）Deng, and the representative instance of alloy is Ag-Pd-Cu alloys and Al-Pd alloys.Ag-Pd-Cu is closed
Gold is comprising the silver as main component（Ag）, the palladium with the quality in the range of 0.3%-1%（Pd）In the range of with 0.3%-1%
Quality copper（Cu）.In addition, material can be aluminum（Al）Or including aluminum（Al）Alloy.In this case, if aluminum（Al）'s
The value of work function or including aluminum（Al）Deng alloy work function value is less and material has higher luminous reflectance, then generally
Hole-injection characteristics can be improved by arranging suitable hole injection layer.By improving hole-injection characteristics, reflective electrode can
As anode.Reflective electrode can be with the typical thickness in 0.1 μm to 1 μ m.As a kind of replacement, can also be using difference
Transparent conductive material with good hole-injection characteristics be arranged in the dielectric multilayer film with good reflective character or
The structure of stacking is formed on reflective membrane.The representative instance of the reflective membrane is aluminum（Al）, and the representative instance of the transparent conductive material
It is ITO（Indium tin oxide）And IZO（Indium-zinc oxide）.On the other hand, using the reflective electrode as negative electrode, it may be desirable to reflective
Electrode is made up of the conductive material with less work function value and high light reflectance.If however, generally by being used to manufacture
Arrange suitable electron injecting layer to improve electronics note on the conductive material as the material with high light reflectance of anode
Enter characteristic, then reflective electrode also is used as negative electrode.
In the following description, for convenience, the second electrode and bottom emission type in the display device of top emission type
Display device in first electrode in some cases be also referred to as semi-transparent formula electrode.For making semi-transparent formula electrode
Material can be semi-transparent formula material or Nonopaque type material.Using the semi-transparent formula electrode as negative electrode, it may be desirable to for making
The material of semi-transparent formula electrode is the light that transmission sends and the conductive material with less work function value so that electronics can be with height
Degree is effectively injected in organic layer.The representative instance of the material is the metal with less work function value and alloy.With less
The representative instance of the metal of work function value is aluminum（Al）, silver（Ag）, magnesium（Mg）, calcium（Ca）, sodium（Na）And strontium（Sr）Deng.The opposing party
Face, the representative instance of the alloy with less work function value is alkali metal or alkaline-earth metal and silver（Ag）Alloy, magnesium（Mg）'s
Alloy, aluminum（Al）And lithium（Li）Alloy.Alkali metal or alkaline-earth metal and silver（Ag）Alloy representative instance be Mg-Ag close
Gold, it is magnesium（Mg）And silver（Ag）Alloy, and magnesium（Mg）The representative instance of alloy be Mg-Ca alloys.On the other hand, aluminum
（Al）And lithium（Li）Alloy be referred to as Al-Li alloys.Among metal and alloy, Mg-Ag alloys are most desirable.In the conjunction
Jin Zhong, can would indicate that the volume of magnesium and the Mg of the ratio of the volume of silver:Ag ratios are set as 5:1 to 30:Representative value in the range of 1.Separately
On the one hand, in the case of Mg-Ca alloys, the Mg of the ratio of the volume of magnesium and the volume of calcium can be would indicate that:Ca ratios are set as 2:1 to
10:Representative value in the range of 1.The thickness of semi-transparent formula electrode can be set as the representative value in the range of 4nm to 50nm, 4nm is extremely
In the range of 20nm can be in the range of value or 6nm to 12nm more can value.Used as a kind of replacement, semi-transparent formula electrode can also quilt
It is designed as including the laminated construction of the previous material layer for illustrating and so-called transparency electrode, material layer and transparency electrode from organic layer
Side starts order arrangement.Generally it is made up of ITO or IZO, transparency electrode has 3 × 10-8M to 1 × 10-6Typical case in the range of m is thick
Degree.If semi-transparent formula electrode is designed to the laminated construction, the thickness of the previous material layer for illustrating can be reduced to 1nm extremely
Value in the range of 4nm.In addition, semi-transparent formula electrode also only can be configured by transparency electrode.As a kind of replacement, can be semi-transparent
Formula electrode is arranged as the bus electrode of auxiliary electrode.By making bus electrode by the material with small resistor, it is possible to decrease whole
The resistance of individual semi-transparent formula electrode.The representative instance of the material with small resistor is aluminum, aluminium alloy, silver, silver alloy, copper, copper conjunction
Gold, gold and billon etc..On the other hand, if semi-transparent formula electrode be used as anode, can expect semi-transparent formula electrode by transmit send out
The light and the material with larger work function value for going out is made.
Method for building the first and second electrodes can generally be evaporation（Such as electron-beam vapor deposition method, heater strip
Evaporation or vacuum vapor deposition method, sputtering method, chemical vacuum deposit（CVD）The combination of method, mocvd method, ion plating method and etching method,
Various print processes（Such as silk screen print method, ink-jet printing process and metal mask print process）In any one, coating（plating）
Method（Such as galvanoplastic or electroless plating method, stripping method, laser grinding method or sol-gel process）Deng.By using in print process
One kind or coating process in one kind, can have the first and second electric of required form or desirable pattern respectively with direct construction
Pole.It should be noted that being the first and second electrodes of structure after organic layer is built, it is particularly recommended that membrane formation process, because membrane formation process can
Organic layer is prevented to be damaged.In this case, film build method can be the little energy for utilizing into membrane granule vacuum vapor deposition method or
Mocvd method.This is because, if organic layer is damaged, worry constructs not light emitting pixel or not light emitting sub-pixel.Do not light picture
Element and not light emitting sub-pixel do not light, because leakage current can flow because of the organic layer for damaging.Not light emitting pixel and light son
Pixel is known respectively as end point.In addition, this of series of process can be carried out in the case where technique not to be exposed to air
The fact is desirable, because can prevent organic layer from being damaged by the moisture in air.In this case, processing range is from being built with
Technique of the technique of machine layer to the electrode for building organic layer.In some cases, can be from the first and second electrodes of structure
Patterned process is removed in individual technique.
In the display device provided by the disclosure, multiple luminescent devices are built on the first substrate.In this case,
One or second substrate can be high distortion point glass substrate, soda glass（Na2O·CaO·SiO2）Substrate, Pyrex
（Na2O·B2O3·SiO2）Substrate, forsterite（2MgO·SiO2）Substrate, lead glass（Na2O·PbO·SiO2）Substrate, point
The various glass substrates of the dielectric film that Ju You do not formed in its surface, quartz base plate, with the insulation for being formed in its surface
The quartz base plate of film, the silicon substrate with the dielectric film for being formed in its surface or organic polymer substrate etc..Organic polymer
The representative instance of substrate is polymethyl methacrylate base plate（Also referred to as polymethyl methacrylate acid（PMMA）Substrate）, poly- second
Enol（PVA）Substrate, polyethylene phenol（PVP）Substrate, polyether sulfone（PES）Substrate, polyimide substrate, polycarbonate substrate and poly-
Terephthalate fat（PET）Substrate etc..Organic polymer is for making plastic foil, plastic tab or plastic base
The form of macromolecular material, plastic foil, plastic tab and plastic base are configured to show flammable characteristic by macromolecular material.With
Can be identical or different with the material for making second substrate in the material for making first substrate.However, with bottom-emission
In the case of the display device of type, need the material for making first substrate can be saturating to the light sent by luminescent device.
Organic EL display apparatus（Also referred to as organic electro-luminescence display device）Can set as the display provided by the disclosure
Standby representative instance is given.If organic EL display apparatus are color organic EL display devices, as it was previously stated, then each sub-pixel by
One in the organic EL device of organic el device is formed configuring.In this case, pixel generally include three it is different
Sub-pixel, these three different subpixels are typically used for sending the emitting red light sub-pixel with red light, for sending tool
The green emitting sub-pixel of viridescent light and the blue light-emitting sub-pixel for sending the light with blueness.Therefore, if being formed
The quantity of the organic EL device of organic el device is N × M in the configuration, then the quantity of pixel is (N × M)/3.Organic EL shows
Show that equipment generally can be used as embedded personal computer, TV receivers, mobile phone, personal digital assistant（PDA）, it is aobvious in game machine etc.
Show equipment.As a kind of replacement, can be in electronic viewfinder（EVF）And head mounted display（HMD）Used in organic EL show and set
It is standby.Another representative instance of the display device provided by the disclosure is included for the backlight of liquid crystal display and for liquid
The luminaire of the planar light source of crystal display device.
Organic layer includes the luminescent layer generally by made by luminous organic material.Specifically, organic layer generally can be by including
The laminated construction of hole transporting layer, luminescent layer and electron supplying layer, including hole transporting layer and also act as electron supplying layer
The laminated construction of luminescent layer and including hole injection layer, hole transporting layer, luminescent layer, electron supplying layer and electron injecting layer
Laminated construction is configuring.Each in these laminated construction is referred to as into series unit.In this case, it is believed that organic layer tool
There is the two-stage series connection structure including the first series unit, articulamentum and the second series unit for forming stacking.In fact, organic layer
The plural serial stage structure being made up of the series unit of form stacking more than three can be configured to.In these cases, launch
The color of light is directed to series unit and is changed into red, green or blue, to provide the overall organic layer for sending white light.For structure
The representative instance for building the method for organic layer is physical vapor deposition（PVD）Method（Such as vacuum vapor deposition method）, print process（Such as silk screen
Print process or ink-jet printing process）, Laser Transmission method and various rubbing methods.Laser Transmission method is the method for transmitting organic layer.
According to Laser Transmission method, by laser beam irradiation to the laminated construction including laser absorption layer and organic layer with by organic layer and laser
Absorbed layer separates, and laser absorption layer and organic layer are structured on transmission base plate.If being built with by using vacuum vapor deposition method
Machine layer, for example, then deposits by the material of the hole being arranged on the so-called metal mask adopted in vacuum vapor deposition method to obtain
Obtain organic layer.As a kind of replacement, in the case where Patternized technique need not be carried out, organic layer is built on the whole surface.
In the display device of top emission type, first electrode is generally arranged on interlayer insulating film.In addition, the interlayer is exhausted
Edge layer covers the luminescent device drive division for building on the first substrate.Luminescent device drive division is configured to include a thin film crystalline substance
Body pipe（TFT）Or multiple TFT.TFT is electrically connected to each other by the contact plug being arranged on interlayer insulating film with first electrode.With
It is SiO in the representative instance of material of interlayer insulating film is made2, BPSG, PSG, BSG, AsSg, PbSg, SiON, spin-on glasses
Layer（SOG）, the glass with low melting point, the SiO for being referred to as glass paste2Based material, SiN based materials and various insulating resin materials
Material.Resin-insulated material includes polyimide resin, novolaks system resin, acrylic resin and polybenzoxazoles resin.
If interlayer insulating film is made up of insulating resin, single insulating resin material itself or appropriately combined various insulation trees can be used
Fat material makes the material of interlayer insulating film to produce.Can be by carrying out processes well known（Generally using CVD, rubbing method,
Any one of sputtering method or various print processes）To build interlayer insulating film.
In the bottom emission type display device of the configuration/structure with the light sent by luminescent device by interlayer insulating film
In, need interlayer insulating film to be made up of the permeable material of light to being sent by luminescent device.In addition, in addition it is also necessary to so that luminous organ
Part drive division does not stop this mode of the light sent by luminescent device to build luminescent device drive division.With bottom-emission
In the display device of type, luminescent device drive division is may be disposed above second electrode.
As previously mentioned, it may be desirable to which insulation or conductive protective film are arranged on above organic layer to protect organic layer to endanger from moisture
Evil.Be also desirable that by method being built using film and form protecting film using especially little film forming particle energies, such as steamed using vacuum
The method of sending out builds method using film（Such as CVD or mocvd method）Situation.This is because, by forming protecting film in this way,
The impact to basal layer can be reduced.As a kind of replacement, it may be desirable to prevent brightness from reducing due to the deterioration of organic layer, will be into
Film temperature is set as normal temperature, and to prevent protecting film from coming off, forms protecting film under conditions of protection membrane stress is minimized.
In addition, it is also desirable to form protecting film by the electrode for having built is not exposed to air.By forming protecting film in this way,
Can prevent organic layer from deteriorating due to the oxygen in the moisture and/or air in air.Most of all, can also expect in tool
In the case of having the display device of top emission type, protecting film by with least 80% light transmittance through the light generated by organic layer
Material formed.Specifically, it may be desirable to which protecting film is formed by the insulant with inorganic amorphous characteristic.This is given below
The representative instance of insulant.As the insulant with inorganic amorphous characteristic does not generate granule, so the water penetration of material
The relatively low and material can be used to make good protecting film.Specifically, it may be desirable to the material for making protecting film be to by
The light that luminescent layer sends can pass through but improve the material of ground resistance sealing point.Specifically, the representative instance right and wrong of the insulant
Crystal silicon（α-Si）, noncrystalline silicon carbide（α-SiC）, amorphous silicon nitride（(α-Si1-xNx）, amorphous silica（α-Si1-yOy）, amorphous carbon
（α-C）, amorphous silicon-oxygen nitride（α-SiON）And AL2O3Deng.It should be noted that if the material for making protecting film is conductive material,
Then protecting film can be by transparent conductive material（Such as ITO and IZO）Make.
Efficiency is obtained further to improve light, the display device provided by the disclosure can be provided with resonator structure.Specifically
For, allow the first interface to be interface between first electrode and organic layer, and second contact surface is between second electrode and organic layer
Interface.In such a case it is possible to provide a kind of configuration, wherein, the light sent by luminescent layer is in the first interface and second contact surface
Between resonance, and a part for light from second electrode export.It should be noted that in the following description, for convenience, the display device
The A display devices provided by the disclosure are provided.In addition, allowing reference markss L1Represent maximum luminous position from luminescent layer to
The distance at the first interface, reference markss OL1Represent optical distance, reference markss L2Represent the maximum luminous position from luminescent layer
To the distance of second contact surface, reference markss OL2Expression optical distance, and reference markss m1And m2Integer is represented respectively.In the situation
Under, relational expression described below（1-1）、（1-2）、（1-3）With（1-4）It is suitable for.
0.7{-Φ1/(2π)+m1}≤2×OL1/λ≤1.2{-Φ1/(2π)+m1} （1-1）
0.7{-Φ2/(2π)+m2}≤2×OL2/λ≤1.2{-Φ2/(2π)+m2} （1-2）
L1<L2（1-3）
m1<m2（1-4）
In above-mentioned relation formula, using below with reference to symbol：
λ represents the peak-peak wavelength of the spectrum of the light sent by luminescent layer or represents phase in the light sent by luminescent layer
Hope wavelength.
Φ1The amount of the reflected light phase shift that expression is generated on the first interface.The amount radian of reflected light phase shift is represented and is had
There is following -2 π<Φ1Value in the range of≤0.
Φ2The amount of the reflected light phase shift that expression is generated on second contact surface.The amount radian of reflected light phase shift is represented and is had
There is following -2 π<Φ2Value in the range of≤0.
It should be noted that the maximum luminous position from luminescent layer to the first interface apart from L1It is the maximum from luminescent layer
Actual range or physical distance of the optical position to the first interface.By the same token, the maximum luminous position from luminescent layer to
Second contact surface apart from L2And the maximum luminous position from luminescent layer is to the actual range or physical distance of second contact surface.Separately
On the one hand, optical distance OL is usually by the light path passed by by the light beam of Medium Propagation physical distance L with refractive index n
Length, also referred to as optical path length.Therefore, optical distance OL is equal to n × L（That is, OL=n × L）.The equation for following optics away from
It is suitable for from OL：
OL1=L1×n0
OL2=L1×n0
In above-mentioned equation, reference markss n0Represent the mean refractive index of organic layer.Have with composition by obtaining refractive index
The product of the thickness degree of machine layer and and subsequently by this and divided by organic layer thickness calculating mean refractive index.
In the A display devices provided by the disclosure, it may be desirable to which the average luminous reflectance of first electrode has not less than 50%
Value, or ideally have not less than 80% value.On the other hand, expect that the average luminous reflectance of second electrode has 50%-90%
In the range of value, or ideally with the value in the range of 60%-90%.It should be noted that by by the technology art used in foregoing description
Language " first electrode " is construed to second electrode and by the technical term " second electrode " used in foregoing description is construed to
One electrode, foregoing description can be considered the description of the B display devices provided by the disclosure.It is follow-up that individually elaboration is carried by the disclosure
For B display devices.
In addition, can have a kind of configuration by the A display devices that the disclosure is provided, wherein, first electrode is by reflectorized material system
Into second electrode is made up of semi-transparent formula material and respectively by constant m1And m2It is set as 0 and 1（That is, m1=0 and m2=1）, this carries
Highest light has been supplied to obtain efficiency.From foregoing description it will be evident that the display device provided by the disclosure is included by the disclosure
The A display devices of offer.Can expect in the display device provided by the disclosure, the thickness of hole transporting layer or hole supplying layer
It is approximately equal to the thickness of electron supplying layer or electron supply layer.As a kind of replacement, electron supplying layer or electron supply layer difference are made
Than hole transporting layer or hole supply thickness so that relatively low driving voltage can be utilized to provide for improving efficiency for luminescent layer
Necessary and enough electronics.That is, arranging empty by the position between the first electrode as anode and luminescent layer
Cave transfer layer and the value by the thickness of hole transporting layer to be set smaller than the thickness of electron supplying layer, can increase supply hole
Quantity.In addition, in the configuration, in the case where hole and electronics supply excess or deficiency do not occur, it is possible to obtain ensure
The carrier balance of the abundant large supply of carrier.Therefore, higher luminous efficiency can be obtained.Most importantly, due to supply
Hole and only measure for electron or not enough, it is possible to make carrier balance almost inertia（collapsible）, suppress
Driving is deteriorated and extends luminescent lifetime.
As described above, obtaining efficiency further to improve light, the display device provided by the disclosure can be provided with resonator
Structure.Specifically, allow the first interface to be interface between first electrode and organic layer, and second contact surface is second electrode and have
Interface between machine layer.In such a case it is possible to provide a kind of configuration, wherein, the light sent by luminescent layer the first interface with
Resonance between second contact surface, and a part for light is from first electrode output.It should be noted that in the following description, for convenience, should
Display device is referred to as the B display devices provided by the disclosure.In addition, allowing reference markss L1Represent that the maximum from luminescent layer is sent out
Distance of the optical position to the first interface, reference markss OL1Represent optical distance, reference markss L2Represent the maximum from luminescent layer
Distance of the luminous position to second contact surface, reference markss OL2Expression optical distance, and reference markss m1And m2Integer is represented respectively.
In this case, relational expression described below（2-1）、（2-2）、（2-3）With（2-4）It is suitable for.
0.7{-Φ1/(2π)+m1}≤2×OL1/λ≤1.2{-Φ1/(2π)+m1} （2-1）
0.7{-Φ2/(2π)+m2}≤2×OL2/λ≤1.2{-Φ2/(2π)+m2} （2-2）
L1>L2（2-3）
m1>m2（2-4）
In above-mentioned relation formula, using below with reference to symbol：
λ represents the peak-peak wavelength of the spectrum of the light sent by luminescent layer or represents phase in the light sent by luminescent layer
Hope wavelength.
Φ1The amount of the reflected light phase shift that expression is generated on the first interface.The amount radian of reflected light phase shift is represented and is had
There is following -2 π<Φ1Value in the range of≤0.
Φ2The amount of the reflected light phase shift that expression is generated on second contact surface.The amount radian of reflected light phase shift is represented and is had
There is following -2 π<Φ2Value in the range of≤0.
In addition, can have a kind of configuration by the B display devices that the disclosure is provided, wherein, first electrode is by semi-transparent formula material
Material is made, and second electrode is made up of reflectorized material and respectively by constant m1And m2It is set as 1 and 0（That is, m1=1 and m2=0）, this carries
Highest light has been supplied to obtain efficiency.From foregoing description it will be evident that the display device provided by the disclosure is included by the disclosure
The B display devices of offer.Can expect in the display device provided by the disclosure, the thickness of hole transporting layer or hole supplying layer
It is approximately equal to the thickness of electron supplying layer or electron supply layer.As a kind of replacement, electron supplying layer or electron supply layer difference are made
Than hole transporting layer or hole supply thickness so that relatively low driving voltage can be utilized to provide for improving efficiency for luminescent layer
Necessary and enough electronics.That is, by arranging at the position between the second electrode as anode and luminescent layer
Hole transporting layer and the value by the thickness of hole transporting layer to be set smaller than the thickness of electron supplying layer, can increase supply empty
The quantity in cave.In addition, in the configuration, in the case where hole and electronics supply excess or deficiency do not occur, it is possible to obtain protect
The carrier balance of the abundant large supply of card carrier.Therefore, higher luminous efficiency can be obtained.Most importantly, due to supply
Only measure to hole and for electron or not enough, it is possible to make carrier balance almost inertia, suppress to drive deterioration simultaneously
Extend luminescent lifetime.
First and second electrodes absorb a part of incident illumination and reflect remaining light.Therefore, phase shift is produced in reflected light.
Phase can be obtained by calculating based on the measured value of the real part of the complex refractivity index of the material for making the first and second electrodes and imaginary part
Shifting amount Φ1And Φ2.The value of real part and imaginary part is measured generally by using ellipsometer.Relevant more information, refers to reference to text
Offer（Such as " Principles of Optic, " Max Born and Emil Wolf, 1974 (Pergamon Press)）.Should
Note, the refractive index of organic layer and other layers also can be measured by using ellipsometer.
Can be that the A display devices by disclosure offer or the B by disclosure offer show and set what is provided by the disclosure
In standby display device, part configuration of the first component by rotary body.The representative instance of a part for rotary body is rotation without a head
Swivel.In this case, the rotary shaft of rotary body is used as the axle of first component.Reference markss z are allowed to represent the rotary shaft of rotary body
Or first component axle and allow first component cross sectional shape by including z-axis virtual plane above cut first component and
Obtain.In this case, the cross sectional shape of first component is the shape of a trapezoidal or parabolical part.As a kind of replacement,
The cross sectional shape of first component can also be the other shapes in addition to the shape of a trapezoidal or parabolical part.Rotary body
The representative instance on surface is the surface of spheroid, the surface of ellipse of revolution, the surface of the paraboloid of revolution and one by making curve
Divide the curved surface of rotation and acquisition.The representative instance of curve is at least polynomial line of three ranks, two leaf lines, trifolium, four leaf lines, double
Knob line（lemniscafe line）, cochlea line, plumb line, conchoidal line, cissoid, likelihood line, tractrix, suspension line, pendulum
Line, trochoid, astroid, three rank semi-parabolics, Lissajous curves, witch of Agnesi, epicycloid, cardioid, hypocycloid, return
Rotation curve and helix etc..In addition, in some cases, can also using by combine a plurality of line segment or combine a plurality of line segment with
A plurality of curve the surface for subsequently rotating the combination and obtaining.
First embodiment
First embodiment implements the display device provided by the disclosure, or more specifically, is organic EL display apparatus.
In addition, first embodiment is also implemented to be provided for use as manufacturing the display device according to first embodiment by the disclosure
First and second method embodiments of the first and second method embodiments of method.Fig. 1 is illustrated according to the first embodiment party
The illustraton of model of a part for the section of the display device of formula, and Fig. 2A is the model for illustrating the sub-pixel matrix in display device
Figure.In the following description, organic EL display apparatus are also referred to as in some cases according to the display device of first embodiment.
It is the active matrix organic EL display apparatus for showing coloured image according to the organic EL display apparatus of first embodiment.Root
It is the display device with top emission type according to the organic EL display apparatus of first embodiment.That is, light passes through second
Electrode is exported.
As shown in figure 1, being shown according to organic EL of first embodiment or follow-up the second to the 5th embodiment by description
Show that equipment includes：
（A）First substrate 11, being built with to have on first substrate 11 respectively includes first electrode 21, is configured with
Generally include the stack layer of the illuminating part 24 and second electrode 22 of the organic layer 23 of the luminescent layer by made by luminous organic material
Multiple luminescent devices 10；And
（B）The second substrate 34 being arranged on above second electrode 22.
In the following description, luminescent device 10 is also referred to as organic EL device.Will description according to first embodiment or subsequently
The second to the 4th embodiment organic EL display apparatus in the luminescent device 10 that adopts include：
（a）First electrode 21；
（b）With its bottom-exposed in the second component 52 in the aperture 25 of first electrode 21；
（c）Organic layer 23, its disposed at least in the bottom for being exposed to aperture 25 first electrode 21 a part top and lead to
It is standing to be equipped with the luminescent layer by made by luminous organic material；And
（d）Build the second electrode 22 on organic layer 23.
In addition, according to first embodiment or the organic EL display apparatus of follow-up the second to the 5th embodiment by description
The first substrate 11 of middle employing has reflector layer 50, and the reflector layer 50 includes：
First component 51, for propagating the light that sent by luminescent device 10 and by light output to outside；And
Fill the second component 52 in the space between adjacent first component 51.
According to first embodiment or the organic EL display apparatus of follow-up the second, the 4th and the 5th embodiment by description
Apply to electronic viewfinder（EVF）Or head mounted display（HMD）High definition display device.On the other hand, it is real according to the 3rd
The organic EL display apparatus for applying mode are with more than having according to first embodiment or the second, the 4th and the 5th embodiment
The large scale organic EL display apparatus of the size of machine EL display devices.Generally, shown according to organic EL of the 3rd embodiment and set
It is standby to be applied to radiotelevisor.
In addition, a pixel is configured to include three sub-pixels.Three sub-pixels are for sending with red light
Emitting red light sub-pixel, for sending the green emitting sub-pixel that has viridescent light and for sending with blue light
Blue light-emitting sub-pixel.Most of all, second substrate 34 is provided with light filter 33, and luminescent device 10 is sent with white
Light.In this case, colorful light-emitting sub-pixel is matched somebody with somebody by the combination of the luminescent device 10 and light filter 33 that send the light with white
Put.Light filter 33 is by sending the region with red light, send the region that have viridescent light or send the light with blueness
Region configuring.However, the configuration of light filter 33 is never limited to the structure.It is for instance possible to use stack including formation two
The two-stage series connection structure of individual series unit.In this case, whole organic layer 23 has the structure for sending the light with white.String
Receipts or other documents in duplicate unit is configured generally by the laminated construction including hole transporting layer and the luminescent layer for also acting as electron supplying layer.In addition,
The light-shielding film of black matrix" can be referred to as with the setting between adjacent filters 33.If the quantity of pixel is 2,048 × 1,236
And a luminescent device 10 forms a sub-pixel, then the quantity of luminescent device 10 is three times of pixel quantity.According to first
In the organic EL display apparatus of embodiment or follow-up the second, the 4th and the 5th embodiment by description, as shown in Figure 2 A, son
The array of pixel is pseudo- triarray, wherein, the size of the pixel surrounded by solid line is 5 μm of 5 μ m.It should be noted that Fig. 2A is illustrated
Four pixels.In Fig. 2A and Fig. 2 B, reference markss R, G and B represent emitting red light sub-pixel, green emitting sub-pixel respectively
And blue light-emitting sub-pixel.In this configuration, luminescent device 10 is made to contact with each other with first component 51.Specifically, make
Two electrodes 22 are in direct contact with one another with first component 51.
In addition, first component 51 is built as with the round platform for meeting relationship below（Or rotary body without a head）Shape：
0.5≤R1/R2≤ 0.8 and
0.5≤H/R1≤2.0。
In above-mentioned relation formula, reference markss R1Represent the diameter of the light entrance face of first component 51, reference markss R2Represent
The diameter of the light-emitting face of first component 51, and reference character H represents the height of first component 51.In the first embodiment,
The light entrance face of first component 51 is exposed to the face of first substrate 11, and the light-emitting face of first component 51 is exposed to second
The face of substrate 34.Illustrate in the value table 1 below of these symbols.
It should be noted that the cross sectional shape of the inclined plane of first component 51 is straight line, the inclined plane is round platform.In addition, round platform
Cross sectional shape is the shape by the section above the virtual plane including the axis of round platform cut round platform and obtain.Round platform
Cross sectional shape（That is, the cross sectional shape of first component 51）It is trapezoidal.
Set being shown according to organic EL of first embodiment or follow-up second, third and the 4th embodiment by description
In standby, first electrode 21 is used as anode, and second electrode 22 is used as negative electrode.First electrode 21 is made up of reflectorized material.It is concrete and
Speech, first electrode 21 are made up of Al-Nd alloys.On the other hand, second electrode 22 is made up of semi-transparent formula material.Specifically,
Second electrode 22 is by including magnesium（Mg）Conductive material make.More specifically, second electrode 22 is by the Mg- with 10nm thickness
Ag alloys are made.First electrode 21 is built by using the combination of vacuum vapor deposition method and etching method.On the other hand, by adopting
Membrane formation process with the especially little energy into membrane granule is building second electrode 22.With the especially little energy into membrane granule
The representative instance of membrane formation process be vacuum vapor deposition method.Second electrode 22 is built in the case where Patternized technique need not be carried out.Table 2
In show measurement first electrode 21 and second electrode 22 refractive index result.The wavelength of 530nm is measured.The opposing party
Face, the result for measuring the luminous reflectance of first electrode 21 and second electrode 22 provide as follows.
The luminous reflectance of first electrode 21 is 85%.
The luminous reflectance of second electrode 22 is 57%.
In the organic EL display apparatus according to first embodiment or follow-up the second to the 5th embodiment by description,
The first electrode 21 of organic EL device is arranged on to be made up and by the interlayer insulating film 16 that built using CVD of SiON.Tool
For body, first electrode 21 is arranged on the interlayer insulating film 16B on upper strata.Interlayer insulating film 16 is covered in structure on first substrate 11
The organic EL device drive division built.Organic EL device drive division is configured to using multiple TFT.These TFT are by being arranged on layer
Between insulating barrier 16（Or strictly speaking, the interlayer insulating film 16B on upper strata）On contact plug 18, wire 17 and contact plug
17A is electrically connected with first electrode 21 respectively.It should be noted that Fig. 1 shows a TFT for each organic EL device drive division.
The TFT includes that gate electrode 12, gate insulating film 13, source electrode and drain region 14 and raceway groove build area 15.The structure on first substrate 11
Build gate electrode 12.Gate insulating film 13 is built on first substrate 11 and gate electrode 12.Building partly leading on gate insulating film 13
Source electrode and drain region 14 are set on body layer.Raceway groove is built between source electrode and drain region 14 and builds area 15.Raceway groove build area 15 with
Semiconductor layer part above gate electrode 12 is corresponding.In Typical Disposition shown in the figure, TFT is configured to into bottom gate type
Transistor.However, it should be noted that also TFT can be configured to top gate-type transistors.The gate electrode 12 of TFT and sweeping not shown in figure
Scanning circuit connects.
Set being shown according to organic EL of first embodiment or follow-up the second, the 4th and the 5th embodiment by description
In standby, first substrate 11 is configured by silicon substrate, and second substrate is made up of alkali-free glass or quartz glass.On the other hand, rear
It is continuous will description the 3rd embodiment and it is follow-up will also be in the case of the embodiment 4A to 4D of description, first substrate 11 and the
Two substrates are made up of alkali-free glass or quartz glass.
In addition, setting being shown according to organic EL of first embodiment or follow-up the second to the 5th embodiment by description
In standby, first component 51 is by Si1-xNxMake, and second component 52 is by SiO2Make.Refractive index n of first component 511With second
Refractive index n of component 522Meet relationship below.
1.1≤n1≤1.8
(n1-n2)≥0.20。
In addition, on the surface towards first component 51 of second component 52, i.e., in first component 51 and second component 52
Between interface on, reflection be propagated through first component 51 light at least a portion.More specifically, because in first component 51
Organic layer 23 and second electrode 22 are constructed between second component 52, so the boundary between second component 52 and organic layer 23
Reflection on face is propagated through at least a portion of the light of first component 51.In this case, second component 52 towards first component
51 surface and light-reflecting portion（Reflector）53 is corresponding.It should be noted that for convenience, the structure is referred to as sun in the following description
Pole reflector structure.
Most of all, in the organic EL according to first embodiment or follow-up the second to the 4th embodiment by description
In display device, protecting film 31 and sealing material layer 32 are further provided within reflector layer 50.Protecting film 31 is by Si1-yNySystem
Into, and sealing material layer 32 is made up of epoxy resin.Refractive index n of protecting film 313With refractive index n of sealing material layer 324Meet
Relationship below：
|n3–n4|≤0.3
And illustrate in table 2 below.
Protecting film 31 is built by using plasma CVD to prevent moisture from reaching organic layer 23.It should be noted that also
First component 51 and protecting film 31 are built simultaneously can so that first component 51 and protecting film 31 can be integrated in monomer structure.
In addition, in the implementation shown in fig. 1, the top surface of first component 51 is set as into the top with second electrode 22 on second component 52
Face identical level.However, first component 51 can cover the second electrode 22 on second component 52.That is, first component
51 can cover whole surface.
Table 1
Table 2
| Real part | Imaginary part | ||
| The refractive index of first electrode 21 | 0.755 | 5.466 | |
| The refractive index of second electrode 22 | 0.617 | 3.904 |
| The refractive index of organic layer 23 | n0 | 1.85 | 0 |
| By Si1-yNyMade by first component 51 refractive index | n1 | 1.81 | 0 |
| By SiO2Made by second component 52 refractive index | n2 | 1.46 | 0 |
| By Si1-yNyMade by protecting film 31 refractive index | n3 | 1.81 | 0 |
| The refractive index of sealing material layer 32 | n4 | 1.65 | 0 |
Fig. 3 is to illustrate that typical comparison's display device 1, the display device according to first embodiment and typical comparison show
Show the schematic diagram of the curve of the analog result of the Electric dipole radiation of brightness in equipment 1 '.Typical comparison's display device 1 is
On the surface towards first component of two components（On interface i.e. between first component and second component）Build as reflective
The display device of the Al films of layer.According to the display device of first embodiment be with the configuration that designs for first embodiment and
The organic EL display apparatus of structure.In the display device according to first embodiment, equation (n1–n2)=0.20 is suitable for.Allusion quotation
Type contrast display device 1 ' be with according to the organic EL display apparatus identical of first embodiment configuration and identical tie
The organic EL display apparatus of structure, except building SiO2Layer is come outside replacing reflector layer 50.
It should be noted that the transverse axis of Fig. 3 represents the angle of visual field that expenditure is represented, and vertical pivot represents brightness relative value, and the brightness is relative
Value be by will for the brightness settings of the 0 of typical comparison's display device 1 ' degree of angle of visual field for 1 normalized value.Fig. 3 does not show
Go out the organic EL display apparatus according to first embodiment be used as typical comparison's display device 1 organic EL display apparatus it
Between brightness Electric dipole radiation difference.As described above, had according to the display device of first embodiment implementing for first
Configuration and structure that mode is designed, and meet equation (n1-n2)=0.20.On the other hand, in typical comparison's display device 1,
The Al films as reflector layer are built on the surface towards first component of second component.In other words, if meeting equation (n1–n2)
>=0.20, then can obtain and the 1 identical brightness of typical comparison's display device increase effect, wherein, second component towards
The Al films as reflector layer are built on the surface of first component.
Next, by referring to Fig. 9 A to Fig. 9 F, below describing the system to the first method embodiment according to the disclosure
The method of making is summarized.It is according to first embodiment for manufacture according to the manufacture method of first method embodiment
The method of organic EL display apparatus.
Technique 100
First, TFT is built for each sub-pixel by adopting well-known method on first substrate 11.TFT includes
Gate electrode 12, gate insulating film 13, source electrode and drain region 14 and raceway groove build area 15.Gate electrode is built on first substrate 11
12.Gate insulating film 13 is built on first substrate 11 and gate electrode 12.Set on the semiconductor layer built on gate insulating film 13
Put source electrode and drain region 14.Raceway groove is built between source electrode and drain region 14 and builds area 15.Raceway groove builds area 15 and is located at grid electricity
Semiconductor layer part above pole 12 is corresponding.In Typical Disposition shown in the figure, TFT is configured to into bottom-gate-type transistor.
However, it should be noted that also TFT can be configured to top gate-type transistors.The gate electrode 12 of TFT is connected with the scanning circuit not shown in figure
Connect.Subsequently, on first substrate 11, by will be by SiO using CVD2Made by the interlayer insulating film 16A of lower floor be configured to cover
Lid TFT.After the interlayer insulating film 16A for constructing lower floor, based on photoetching technique and lithographic technique lower floor layer insulation
Aperture 16 ' is built on layer 16A.About the more information of the technique, Fig. 9 A are refer to.
Technique 110
Subsequently, built by aluminum on the interlayer insulating film 16A of lower floor by the combination using vacuum vapor deposition method and etching method
Made by wire 17.It should be noted that wire 17 is by being arranged on source electrode and the drain electrode of contact plug 17A on the inside of aperture 16 ' and TFT
Area 14 electrically connects.Wire 17 is also electrically connected with the signal supply circuit not shown in figure.Subsequently, by using CVD whole
Build by SiO on surface2Made by upper strata interlayer insulating film 16B.Subsequently, based on photoetching technique and lithographic technique on upper strata
Aperture 18 ' is built on interlayer insulating film 16B.About the more information of the technique, Fig. 9 B are refer to.
Technique 120
Afterwards, built by Al- on the interlayer insulating film 16B on upper strata by the combination using vacuum vapor deposition method and etching method
First electrode 21 made by Nd alloys.About the more information of the technique, Fig. 9 C are refer to.It should be noted that first electrode 21 passes through
It is arranged on the contact plug 18 on the inside of aperture 18 ' to electrically connect with wire 17.
Technique 130
Subsequently, build second component 52.Specifically, by being built by SiO on the whole surface using CVD2Make
Second component configuration layer 52A, and subsequently, layer of resist material 52B is built on second component configuration layer 52A.Subsequently, make to resist
Erosion agent material layer 52B experiences exposed and developed technique aperture 52C is built in layer of resist material 52B.To illustrate, refer to
Fig. 9 D.Subsequently, by adopting RIE methods etching layer of resist material 52B and second component configuration layer 52A to give second component
Configuration layer 52A tapers, as shown in fig. 9e.Finally, it is possible to obtain the second component 52 of sloped sidewall is shared with aperture 25, such as Fig. 9 F
It is shown.It should be noted that by controlling etching condition, taper can be given for second component configuration layer 52A.However, for building second
The method of component 52 is never limited to the method.For example, built by SiO on the whole surface2Or made by polyimide resin
After second component configuration layer, the second component 52 shown in Fig. 9 F can also be based on photoetching technique and wet etching technique come structure
Build.
Technique 140
Subsequently, on the second component 52 of the part in the part including the first electrode 21 for being exposed to 25 bottom of aperture
Build organic layer 23.That is, building organic layer 23 on the whole surface.It should be noted that organic layer 23 is generally to pass through successively
The stack layer for building hole transporting layer and also serving as the luminescent layer of the electron supplying layer formed by organic material and construct.Based on electricity
Resistance heating can obtain organic layer 23 by carrying out vacuum deposition processes to organic material.
Technique 150
Afterwards, the structure second electrode 22 in the whole surface of viewing area.It is individual organic that the covering of second electrode 22 forms N × M
The whole surface of the organic layer 23 of EL pixels.Second electrode 22 passes through second component 52 and organic layer 23 is exhausted with first electrode 21
Edge.By building second electrode 22 using vacuum deposition method, the energy that the vacuum deposition method is into membrane granule is very little so that not
The membrane formation process for affecting can be produced on organic layer 23.In addition, just building in 23 identical vacuum evaporation apparatus of organic layer organic
After layer 23, second electrode 22 is built, and organic layer 23 is not exposed in air.Accordingly it is possible to prevent organic layer 23 is because big
The moisture and the oxygen that contain in gas and deteriorate.Specifically, by by with volume ratio 10:1 Mg-Ag alloys make common steaming film
And the common steaming film with thickness 10nm is formed, second electrode 22 can be obtained.
Technique 160
Subsequently, before flattening process, built by Si on the whole surface1-xNx（Silicon nitride）Made by first component 51.
Specifically, the structure first component 51 in second electrode 22.Therefore, it can be obtained instead by first component 51 and second component 52
Photosphere 50.In this way, it is possible to obtain anode reflector structure.
Technique 170
Afterwards, by being built by Si on reflector layer 50 using vacuum vapor deposition method1-yNy（Silicon nitride）Made by insulation protection
Film 31.It should be noted that first component 51 and protecting film 31 also can be built simultaneously so that first component 51 and protecting film 31 can be integrated into
In monomer structure.In the structure shown here, due to the effect in aperture 25, can build on the top surface of protecting film 31 in some cases recessed
Portion.However, as it was previously stated, by specifying the difference | n3–n4|, can effectively prevent the light exported by luminescent device 10 in recess
It is scattered.
Technique 180
Subsequently, by using sealing material layer 32, the second substrate 34 for being wherein built with light filter 33 is adhered to wherein
It is built with the first substrate 11 of protecting film 31.Finally, by setting and the connection of external circuit, organic EL can be completed show to set
Standby manufacture.
As a kind of replacement, also can be built by adopting the manufacture method of the second method embodiment according to the disclosure
Reflector layer.It is the method for manufacturing organic EL display apparatus according to the manufacture method of second method embodiment.Next, logical
Reference picture 10A to Figure 10 D is crossed, is below described to being provided for use as the method for manufacturing organic EL display apparatus by the disclosure
（Or more specifically, the method for manufacturing reflector layer 50）Second method embodiment be illustrated.
Technique 100A
First, prepare with the stamping die 60 with the shape of 51 complementation of first component.Specifically, by adopting many institute's weeks
The technology known is building with the stamping die with the shape of 51 complementation of first component（It is female）60.Widely-known technique is typically electricity
Casting technology, lithographic technique or another cutting technique.
Technique 110A
Meanwhile, supporting substrate is coated with resin material.Specifically, as shown in Figure 10 A, for example, by UV cured tree
Fat material 62 is coated on the transparent glass substrate 61 as supporting substrate.That is, building resin on glass substrate 61
Material 62.
Technique 120A
Subsequently, after resin material 62 is defined by using stamping die 60, remove stamping die 60 to obtain with prominent
Go out the resin material layer 63 in portion 64.Specifically, using the stamping die 60 in the state of being resisted against on resin material 62, energy
Amount beam（Or more specifically, ultraviolet）It is irradiated to resin material 62 to harden from the side of the glass substrate 61 as supporting substrate
Resin material 62 simultaneously obtains resin material layer 63.After resin material layer 63 is obtained, as shown in Figure 10 B, remove stamping die
60.In this way, it is possible to the resin material layer 63 with protuberance 64 is obtained, as illustrated in figure 10 c.The protrusion of resin material layer 63
Portion 64 is corresponding with first component 51 respectively.
Technique 130A
Afterwards, smooth process is carried out to the top of the protuberance 64 of resin material layer 63.Subsequently, filled out using adhesive phase 65
The space filled between the protuberance 64 of resin material layer 63, as shown in Figure 10 D.
Technique 140A
Subsequently, resin material layer 63 is made to come off from the glass substrate 61 as supporting substrate and luminous installed in constructing
On the first substrate 11 of device etc..That is, adhesive phase 65 is arranged in second electrode 22 so that adhesive phase 65 cannot
Stop the light from the output of luminescent device 10.In this way, adhesive phase 65 can serve as binding agent.
It should be noted that can by after technique 100-120 with the interlayer insulating film 16B on first electrode 21 and upper strata
The technique 140 and 150 identical modes for building organic layer 23 and second electrode 22 obtains first substrate 11 to carry out technique.With
This mode, it is possible to obtain include the adhesive phase 65 as second component 52 and the resin material layer 63 as first component 51
Reflector layer 50.That is, anode reflector structure can be obtained.
Technique 150A
Afterwards, insulating protective film 31 is built on reflector layer 50 by using plasma CVD.Subsequently, by using
Sealing material layer 32, the second substrate 34 for being built with light filter 33 is adhered to and is built with the first substrate 11 of protecting film 31.
Finally, by setting and the connection of external circuit, the manufacture of organic EL display apparatus can be completed.It should be noted that, it is possible to use heat is hard
Change resin material or thermoplastic resin material to replace ultraviolet hardening resin material 62.
In the case of the organic EL display apparatus according to first embodiment, specify the refractive index of first component 51 in advance
Value n1With refractive index value n of first component 511With refractive index value n of second component 522Between difference.Therefore, in second component 52
The surface towards first component 51 on, i.e., on the interface between first component 51 and second component 52, can be reliably anti-
At least a portion for the light for being propagated through first component 51 is penetrated, and even without setting reflective member etc..Alternatively, it is also possible to reliably
Prevent from being reflected by first component 51 by the light that luminescent device 10 sends completely.That is, due to making luminescent device 10 and first
Component 51 contacts with each other, or specifically, due to making second electrode 22 be in direct contact with one another with first component 51, it is possible to
It is reliably prevented and is reflected by first component 51 by the light that luminescent device 10 sends completely.Therefore, it can milli without loss will by send out
The light output that optical device 10 sends is to outside.Furthermore it is possible to realize all purposes, including driving current density is down to no more than
The value of 1/2 times of the value of existing organic EL display apparatus, luminous efficiency is brought up to not less than existing organic EL display apparatus
The value of the twice of value, and by blend color than be down to no more than 3% value.
Organic EL display apparatus obtained as above are according to the display device of first embodiment or including following item
Display device：
（A）First substrate 11, being built with to have on the first substrate 11 respectively includes first electrode 21, is configured to
The stacking of the illuminating part 24 with the organic layer 23 for generally including the luminescent layer by made by luminous organic material and second electrode 22
Multiple luminescent devices 10 of layer；And
（B）The second substrate 34 being arranged on above second electrode 22, wherein,
First substrate 11 has reflector layer 50, and the reflector layer 50 includes：
It is arranged on luminescent device 10 and for propagating the light that sent by luminescent device 10 and by light output to outside the
One component 51, and
The second component 52 in the space between adjacent first component 51 is filled, and
At least a portion of light of first component 51 is propagated through on the surface towards first component 51 of second component 52,
Reflected on interface i.e. between first component 51 and second component 52.
Second embodiment
Second embodiment is the revision of first embodiment.Table 1 shows the organic EL according to second embodiment
The structured data of display device and the organic EL display apparatus with the configuration and structure designed for first embodiment.The structure
Data include the diameter R of the light entrance face of first component 511, first component 51 light-emitting face diameter R2, first component 51
Height H, angle of gradient θ of the inclined plane of the truncated cone-shaped of first component 51, the thickness of protecting film 31, the thickness of sealing material layer 32,
The thickness of light filter 33, the diameter R of illuminating part 240（Or specifically, the diameter of first electrode 21）, illuminating part build spacing
（Which is the distance from the center of any concrete illuminating part 24 to the center of the illuminating part 24 adjacent with the concrete illuminating part 24）With
And aperture ratio etc..
As described above, it is to expect suitable for electronic viewfinder according to the organic EL display apparatus of second embodiment
（EVF）Or head mounted display（HMD）High definition display device.In addition, except setting is by SiO2Made by layer replacing reflector layer
50 the fact that outside, typical comparison's display device 2 be with the organic EL display apparatus according to second embodiment
Configuration and the organic EL display apparatus of the configuration of structure identical and structure.
In addition, being simulated aobvious with regard to the organic EL display apparatus according to second embodiment and typical comparison to obtain
Show the Electric dipole radiation of the brightness of equipment 2.Analog result shows, in ± 10 degree of radiation angular range, according to the second embodiment party
The luminous efficiency of the organic EL display apparatus of formula is 2.55 times of the luminous efficiency of typical comparison's display device 2, and according to second
The driving current density of the organic EL display apparatus of embodiment is the driving current density of typical comparison's display device 2
0.355 times.If in addition, assuming that light filter offsets 0.3 μm in the horizontal direction, being shown according to organic EL of second embodiment and being set
Standby luminous efficiency is 2.49 times of the luminous efficiency of typical comparison's display device 2, aobvious according to organic EL of second embodiment
The driving current density for showing equipment is 0.363 times of the driving current density of typical comparison's display device 2, and is implemented according to second
The blend color ratio of the organic EL display apparatus of mode is 1.18%.Can be real according to the organic EL display apparatus of second embodiment
Existing all purposes, including 1/2 times of the value that driving current density is down to no more than existing organic EL display apparatus of value, will send out
Light efficiency brings up to the value of the twice of the value not less than existing organic EL display apparatus, and blend color ratio is down to no more than
3% value.If it should be noted that assuming to be sent out by the center of the luminescent device 10 in the organic EL display apparatus according to second embodiment
The amount of the light for going out is 1, then being exported from luminescent device 10 to the amount of outside light by first component 51 and second substrate 34 is
1.6。
3rd embodiment
3rd embodiment is also the revision of first embodiment.According to the organic EL display apparatus of the 3rd embodiment
For TV receivers.Chi of the size of each sub-pixel in the 3rd embodiment more than the sub-pixel in first embodiment
It is very little.Therefore, if sub-pixel is configured by luminescent device 10, the thickness of reflector layer 50 increases naturally.For this purpose, the 3rd embodiment
Sub-pixel is configured by one group of multiple luminescent device 10.Specifically, the sub-pixel of the 3rd embodiment is luminous by one group 64
Device 10 is configuring.It should be noted that the size of luminescent device 10 is 10 μm of 10 μ m and meets relationship below：
0.5≤R1/R2≤ 0.8 and
0.5≤H/R1≤2.0。
The cross sectional shape of the inclined plane of round platform is straight line.In addition, the array of sub-pixel is the strip array shown in Fig. 2 B.
It should be noted that in the strip array shown in Fig. 2 B, to make to attempt to change simply, a sub-pixel is matched somebody with somebody by one group of three luminescent device 10
Put.
In addition to as described above, may be structured to respectively according to the organic EL display apparatus of the 3rd embodiment
The configuration similar with the configuration to be designed according to the organic EL display apparatus of first embodiment and structure and structure.Therefore, save
Slightly elaborating to the configuration to be designed according to the organic EL display apparatus of the 3rd embodiment and structure.It should be noted that for example,
After having built the second component configuration layer by made by polyimide resin on the whole surface, photoetching technique and etching can be based on
Technology is building the second component 52 shown in Fig. 9 F.
In the case of the third embodiment, as previously set forth, first substrate 11 and second substrate 34 are respectively by glass
Substrate is configuring.In addition, organic layer 23 is formed by emitting red light sub-pixel, green emitting sub-pixel and blue light-emitting sub-pixel.
Emitting red light sub-pixel is configured to include for sending the emitting red light device with red light, and green emitting sub-pixel
It is configured to include for sending the green light emitting device for having viridescent light.On the other hand, blue light-emitting sub-pixel is configured
It is to include for sending the blue luminescent device with blue light.It should be noted that luminescent device is configured with generally including
Hole transporting layer and also serve as electron supplying layer luminescent layer laminated construction to be provided for sending the knot of the light with white
Structure.If in addition, the laminated construction is referred to as series unit, organic layer 23 can be configured with including two series units
Two-stage series connection structure.If by building organic layer 23 using vacuum vapor deposition method, for example, depositing by being arranged in vacuum vapor deposition method
Using so-called metal mask on hole material, with obtain for each emitting red light device, green light emitting device and
The organic layer 23 of blue luminescent device.
As described above, table 1 shows be provided as with the configuration with first embodiment according to the 3rd embodiment
The structured data of the organic EL display apparatus of the organic EL display apparatus of the configuration essentially identical with structure and structure.The structure number
According to the diameter R of the light entrance face including first component 511, first component 51 light-emitting face diameter R2, first component 51 height
Degree H, angle of gradient θ of the inclined plane of the truncated cone-shaped of first component 51, the thickness of protecting film 31, the thickness of sealing material layer 32, filter
The diameter R of the thickness and illuminating part 24 of color chips 330（Or specifically, the diameter of first electrode 21）Deng.It is same according to the
In the case of the organic EL display apparatus of three embodiments, second electrode 22 is made to be in direct contact with one another with first component 51.
In addition, in the organic EL display apparatus as typical comparison's display device 3, building with straight shown in table 1
Footpath R0Illuminating part 24, and light filter 33 and reflector are built on second substrate 34.Most of all, by adhesive layer by the
The reflector of two substrates 34 is adhered on the illuminating part 24 of first substrate 11.That is, in this respect, it is aobvious as typical comparison
The organic EL display apparatus for showing equipment 3 are the existing organic EL display apparatus with face reflector structure for describing before.Will be viscous
The thickness for closing layer is set as 3.5 μm.In addition, be used as typical comparison's display device 3 ' organic EL display apparatus with by from
Make the structure for reflector being removed and being constructed on the organic EL display apparatus of typical comparison's display device 3.
Additionally, to the organic EL display apparatus according to the 3rd embodiment, as the organic of typical comparison's display device 3
EL display devices and the organic EL display apparatus as typical comparison's display device 3 ' are simulated, bright to obtain front
The ratio of degree, light acquisition efficiency and 45 degree and the brightness under 60 degree of angles of visual field and front face brightness.Analog result is in following table 3
In illustrate.In addition, to the organic EL display apparatus according to the 3rd embodiment and as the organic of typical comparison's display device 3
EL display devices are simulated to draw the input/output state of light beam.Analog result is illustrated in Fig. 4 A and Fig. 4 B.It is most heavy
Want, the organic EL display apparatus according to the 3rd embodiment, the organic EL as typical comparison's display device 3 are shown and set
Organic EL display apparatus that are standby and being used as typical comparison's display device 3 ' are simulated to draw the Electric dipole radiation of brightness.Mould
Intend result to illustrate in Fig. 5 A and Fig. 5 B.It should be noted that the transverse axis of Fig. 5 A represents the angle of visual field that expenditure is represented, and vertical pivot represents brightness
Relative value, brightness relative value are regarded by 0 degree by the organic EL display apparatus for use as typical comparison's display device 3 '
The brightness settings of rink corner normalized value for 1.Subsequently, by being directed to typical comparison's display device 3 ' by the bright of each angle of visual field
Degree is set as 1, and the organic EL display apparatus and the organic EL as typical comparison's display device 3 according to the 3rd embodiment are shown
Each for showing in equipment obtains brightness.It should be noted that in table 3, angle of visual field A and B are the angle of visual field of 45 degree and 60 degree respectively.Separately
Outward, in table 3, the value illustrated on the row of angle of visual field A and B is the ratio of the brightness under the angle of visual field and front face brightness respectively.
Table 3
| Front face brightness | Light obtains efficiency | Angle of visual field A | Angle of visual field B |
| 3rd embodiment | 2.2 again | 1.9 again | 87% | 79% |
| Contrast 3 | 1.6 again | 1.4 again | 31% | 20% |
| Contrast 3 ' | 1.0 again | 1.0 again |
From Fig. 5 A and table 3 it will be evident that according to the organic EL display apparatus of the 3rd embodiment and as typical comparison
The organic EL display apparatus of display device 3 are compared with very good characteristic.This is because, according to the 3rd embodiment
In the case of organic EL display apparatus, second electrode 22 is made to be in direct contact with one another with first component 51 so that by luminescent device 10
There is no acquisition loss in the light for sending.In addition, from Fig. 5 A it will be evident that with as typical comparison's display device 3 organic EL
Display device is compared with the organic EL display apparatus as typical comparison's display device 3 ', according to organic EL of the 3rd embodiment
Display device not only has higher front face brightness value, but also with the higher brightness relative value under larger field angle.Also
Be to say, there is higher brightness value according to the organic EL display apparatus of the 3rd embodiment, and organic EL is being watched with user
The angle of visual field of display device is unrelated.Therefore, it is to expect for television reception according to the organic EL display apparatus of the 3rd embodiment
The organic EL display apparatus of machine.
In addition, by the angle of visual field of the light sent by luminescent device 10 is taken as the variable element that expenditure is represented, to root
It is simulated according to the organic EL display apparatus of the 3rd embodiment angular distribution to draw the visual field of the energy in first component 51.
Analog result is illustrated in figure 5b.In this case, critical angle is 33 degree, by calculation expression arcsin's (1.0/1.81)
Value is obtaining.Critical angle is limiting angle, and in configuration not including reflector, light cannot exceed the limiting angle and reflect from having
The first component 51 of rate 1.81 is exported to air.Therefore, the light in the range of shown in figure 5b 0 degree to 33 degree can be from the first structure
Part 51 is exported to air.The light representations export the 31% of all light of the inner side to first component 51.
In the organic EL display apparatus as typical comparison's display device 3, by adhesive layer by the reflection of second substrate
Device is adhered on the luminescent device of first substrate.Therefore, light enters reflector by adhesive layer.For inciding binding agent（It is all
Acrylic acid seriess reagent such as with about 1.5 refractive index）Light critical angle be 56 degree, by calculation expression arcsin
(1.5/1.81) value is obtaining.Therefore, it can using in the range of the wide ranges unlike 0 degree to 56 degree shown in Fig. 5 B
Light.The light representations export the 75% of all light of the inner side to first component.
On the other hand, in having according to the 3rd embodiment for making second electrode 22 be in direct contact with one another with first component 51
In the case of machine EL display devices, it is possible to use the light in the range of wide ranges unlike 0 degree to 90 degree shown in Fig. 5 B.Should
Light representations export the 100% of all light of the inner side to first component 51.Therefore, aobvious according to organic EL of the 3rd embodiment
In the case of showing equipment, it is possible to use with up to for 3 of light quantity when being not provided with reflector（=100/33）Amount again
Light.In addition, in the case of the organic EL display apparatus according to the 3rd embodiment, it is possible to use with up to for being used as
The 1.3 of the light quantity of the organic EL display apparatus of typical comparison's display device 3（=100/75）The light of amount again.It should be noted that calculate obtaining
Take from luminescent device 10 propagate to first component 51 light efficiency and be multiplied by the intensity of the light sent on the inside of first component 51 with
Obtain the intensity of the light on the inside of first component 51.After the intensity of the light obtained on the inside of first component 51, on all wavelengths
Intensity is integrated to obtain the energy under the specific angle of visual field.From Fig. 5 B it will be evident that the light sent by luminescent device 10
Even if also having larger energy under the larger angle of visual field.In other words, shown according to organic EL of the 3rd embodiment
In the case of equipment, even if user can also watch bright image under the larger angle of visual field.
4th embodiment
4th embodiment is also the revision of first embodiment.In the case of first embodiment, first component 51
Top surface positioned at the level about the same with the top surface of second component 52.That is, filling adjacent second with first component 51
Space between component 52.On the other hand, in the case of the 4th embodiment, as ise apparent from FIG. 6, in adjacent second structure
First component 51A with stratiform is built in region between part 52, Fig. 6 is to illustrate the display device according to the 4th embodiment
Section a part illustraton of model.Specifically, in second electrode 22, build with 1.806 refractive index n1With 0.2 μm
Average thickness stratiform first component 51A.Region 51B is the region above first electrode 21.Region 51B is by second component 52
Stratiform first component 51A for building in second component 52 respectively is surrounded.Subsequently, by Si1-yNy（Silicon nitride）System
Into insulating protective film 31 formed on the whole surface, the surface is the region of the top face of region 51B and second component 52.
Most of all, sealing material layer 32 and light filter 33 are built on protecting film 31.It should be noted that a part for sealing material layer 32
Extend to the region on the inside of the 51B of region.
In addition to as described above, according to the organic EL display apparatus of the 4th embodiment with implement according to first
The configuration identical configuration of the organic EL display apparatus of mode.Therefore, the organic EL according to the 4th embodiment is not elaborated
The configuration of display device.
In the case of the 4th embodiment 4A, by refractive index n of first component 51A with stratiform1With protecting film 31
Refractive index n3Between difference（|n1–n3|）It is set as 0.2 constant value, i.e. (| n1–n3|)=0.2.By changing first component
Refractive index n of 51A1To be simulated in the hope of amount of light ratio the 4th embodiment 4A.In the table 4 that analog result is given below
Illustrate.By being 1.00 obtaining the light amount ratio shown in table 4 by the light quantity setting of typical comparison's display device 3 '.Namely
Say, light amount ratio during in table 4 is the ratio of the light quantity for the situation and the light quantity of typical comparison's display device 3 '.Separately
Outward, by refractive index n of second component 522It is set as 1.61.It should be noted that being shown according to organic EL of the 4th embodiment 4A
The parameter of the reflector layer adopted in equipment is reflective with for what is adopted in the organic EL display apparatus according to the 3rd embodiment
The parameter shown in table 1 of layer is identical.In addition, the son adopted in the organic EL display apparatus according to the 4th embodiment 4A
Pel array is identical with the array of sub-pixels adopted in the organic EL display apparatus according to the 3rd embodiment.
Table 4
As apparent from Table 4, if by refractive index n of first component 51A with stratiform1With the refractive index of protecting film 31
n3Between difference（|n1–n3|）It is set as 0.2 constant value, then first component 51A with stratiform fully can be shown as reflection
The function of the photo-emission part of device.If in addition, refractive index n of first component 51A with stratiform1More than the refractive index of protecting film 31
n3, then light amount ratio is relatively small, such as by the case for table 4（11）Extremely（14）Shown digital certificate.
In addition, also examining the relational expression between the angle of visual field and brightness relative value.As previously set forth, brightness relative value is
By being 1 normalized value for obtaining by the brightness settings under 0 degree of angle of visual field in typical comparison's display device 3 '.Assay
Show, for case（11）With（12）, in the range of the angle of visual field of the angle of visual field to -40 degree of -90 degree, brightness relative value is relative
It is larger, and in the range of the angle of visual field of the angle of visual field to 0 degree of -40 degree, brightness relative value is relatively small.On the other hand, at 0 degree
The angle of visual field to 40 degree the angle of visual field in the range of, brightness relative value is again relatively large, and in 40 degree of the angle of visual field to 90 degree
In the range of the angle of visual field, brightness relative value is again relatively small.That is, assay shows, brightness relative value has two
Peak value.It will therefore be apparent that when user watches organic EL display apparatus from front, luminance-reduction.
According to analog result, it can be deduced that conclusion, expect by refractive index n from protecting film 313In deduct with layer
Refractive index n of first component 51A of shape1And difference (the n for obtaining3–n1) value that is set as not less than 0.2.
In addition, in the case of the 4th embodiment 4B, by refractive index n of protecting film 313It is set as 1.8 constant value,
And extend to refractive index n of the sealing material layer 32 on the inside of the 51B of region4For variable.By changing refractive index n4Come to the 4th enforcement
Mode 4B is simulated in the hope of amount of light ratio.Illustrate in the table 5 that analog result is given below.It should be noted that by will typical case it is right
It is 1.00 obtaining the light amount ratio shown in table 5 than the light quantity setting of display device 3 '.In addition, by the refraction of second component 52
Rate n2It is set as 1.61, and by refractive index n of first component 51A with stratiform1It is set as 1.806.
Most of all, also examining the relational expression between the angle of visual field and brightness relative value.As previously set forth, brightness phase
It is by being 1 normalized value for obtaining by the brightness settings under 0 degree of angle of visual field in typical comparison's display device 3 ' to value.Inspection
Test result figure 7 illustrates.It should be noted that in the figure 7, curve A is represented for the case shown in table 5（22）Relational expression, and
Curve B is represented for the case shown in same table（27）Relational expression.On the other hand, curve C is represented for typical comparison is aobvious
Show the relational expression of equipment 3 '.It should be noted that the reflector layer adopted in the organic EL display apparatus according to the 4th embodiment 4B
The parameter shown in table 1 of parameter and the reflector layer for adopting in the organic EL display apparatus according to the 3rd embodiment
It is identical.In addition, the array of sub-pixels adopted in the organic EL display apparatus according to the 4th embodiment 4B is real with according to the 3rd
The array of sub-pixels adopted in the organic EL display apparatus for applying mode is identical.
Table 5
It will be evident that with refractive index n of protecting film 31 from table 5 and Fig. 73With refractive index n of sealing material layer 324
Between difference increase, the value of light amount ratio reduces.On the other hand, the brightness relative value under the big angle of visual field is more than under 0 degree of angle of visual field
Brightness relative value.In addition, for the case shown in table 5（26）Light amount ratio be less than 1.5.It will therefore be apparent that adopting
It is set as refractive index n of 1.8 protecting film 313, for refractive index n of sealing material layer 324For, expect not less than 1.5
Value.That is, expecting to meet relational expression | n3-n4|≤0.3。
In addition, according to the organic EL display apparatus of the 4th embodiment 4C and 4D with for according to the 3rd embodiment party
The reflective layer parameter of parameter identical shown in table 1 of the reflector layer adopted in the organic EL display apparatus of formula.In addition, in root
The array of sub-pixels adopted in organic EL display apparatus according to the 4th embodiment 4C and 4D and having according to the 3rd embodiment
The array of sub-pixels adopted in machine EL display devices is identical.By changing diameter R2To carry out mould to the 4th embodiment 4C and 4D
Intend in the hope of amount of light ratio.Table 6 that analog result is given below and illustrate in table 7.It should be noted that being set by typical comparison is shown
Standby 3 ' light quantity setting is 1.00 obtaining the light amount ratio shown in table 6 and table 7.
Table 6
| Case | R2（μm） | R2/R1 | Light amount ratio |
| （31） | 8.62 | 1.57 | 1.32 |
| （32） | 8.96 | 1.63 | 1.44 |
| （33） | 9.34 | 1.70 | 1.55 |
| （34） | 9.74 | 1.77 | 1.63 |
| （35） | 10.02 | 1.82 | 1.67 |
| （36） | 10.10 | 1.84 | 1.70 |
| （37） | 10.78 | 1.96 | 1.71 |
Table 7
| Case | R2（μm） | R2/R1 | Light amount ratio |
| （41） | 5.31 | 1.52 | 1.20 |
| （42） | 5.54 | 1.58 | 1.24 |
| （43） | 5.76 | 1.64 | 1.28 |
| （44） | 5.95 | 1.70 | 1.32 |
| （45） | 6.16 | 1.76 | 1.36 |
| （46） | 6.39 | 1.83 | 1.41 |
| （47） | 6.63 | 1.89 | 1.44 |
| （48） | 6.90 | 1.97 | 1.47 |
It will be evident that with than R from table 6 and table 72/R1Value increase, the value of light amount ratio also increases, but when than R2/
R1Value when being close to 2.00, the rate of increase of the value of light amount ratio reduces.
In addition, also examining the relational expression between the angle of visual field and brightness relative value.As previously set forth, brightness relative value is
By being 1 normalized value for obtaining by the brightness settings under 0 degree of angle of visual field in typical comparison's display device 3 '.Assay
Show, the ratio R for less than 1.52/R1, as the angle of visual field increases from -90 degree, brightness relative value also increases maximum to be close to first
Value.After brightness relative value has reached the first maximum, brightness relative value reduces to be issued to minima in 0 degree of angle of visual field.
After brightness relative value reaches minima, brightness relative value increases to reach the second maximum again.In brightness, relative value reaches
To after the second maximum, brightness relative value reduce again.
From the above it will be evident that expecting to compare R2/R1The value being set as in the range of 1.6 to 2.0.
5th embodiment
5th embodiment is also the revision of first embodiment.However, in the case of the 5th embodiment, light leads to
Cross first substrate 11 to export to outside from luminescent device 10.That is, according to the organic EL display apparatus of the 5th embodiment
It is bottom emission type organic EL display apparatus.Fig. 8 is a part for the section for illustrating the display device according to the 5th embodiment
Illustraton of model.It is using for showing the organic of the active matrix system of coloured image according to the display device of the 5th embodiment
EL display devices.It should be noted that array of sub-pixels is identical with the array shown in Fig. 2A.
First component 51 is built as with round platform（Or rotary body without a head）Shape.5th embodiment meets hereafter to be given
The relational expression for going out.In these relational expressions, reference markss R1Represent the diameter of the light entrance face of first component 51, reference markss R2
The diameter of the light-emitting face of first component 51 is represented, reference character H represents the height of first component 51, and reference markss R0Represent
The diameter of illuminating part.In the case of the 5th embodiment, the light entrance face of first component 51 is exposed to second substrate 34
Surface, and the light-emitting face of first component 51 is exposed to the surface of first substrate 11.
R1=2.3μm
R2=3.8μm
R1/R2=0.61
H=1.5μm
R0=2.0μm
0.5≤R1/R2≤0.8
0.5≤H/R1≤2.0。
It should be noted that the cross sectional shape of the inclined plane of round platform is straight line.That is, the cross sectional shape of first component 51 is ladder
Shape.By the way, the cross sectional shape of first component 51 is by above the virtual plane including the axis of first component 51
The cross sectional shape for cutting first component 51 and obtaining.
In the case of the 5th embodiment, second electrode 22 and first electrode 21 are, respectively, used as anode electrode and negative electrode
Electrode.Second electrode 22 is by reflectorized material（Or more specifically, Al-Nd alloys）Make.On the other hand, first electrode 21 is by partly
Nonopaque type material is made.Specifically, first electrode 21 is by including magnesium（Mg）Conductive material make.More specifically, first
Electrode 21 is made up of the Mg-Ag alloys with 10nm thickness.By adopting the membrane formation process with especially little film forming particle energies
To build second electrode 22, as the situation using vacuum vapor deposition method.On the other hand, by using vacuum vapor deposition method and etching
The combination of method is building first electrode 21.
In addition, also measuring refractive index, the average luminous reflectance of first electrode 21 of first electrode 21 and second electrode 22
And the average transmittance of second electrode 22.Measurement result is identical with first embodiment.However, ought read for comparative purposes
When taking the measurement result of first embodiment, first electrode 21 should be construed to second electrode 22, and second electrode 22 should be solved
It is interpreted as first electrode 21.
In the case of the 5th embodiment, the first electrode 21 adopted in organic EL display apparatus is arranged on including
On the reflector layer 50 of one component 51 and second component 52.In addition, reflector layer 50 is covered on first substrate 11 the organic EL for building
Device drive portion.Organic EL device drive division is not shown in itself.Organic EL device drive division is configured to include multiple
TFT.TFT is electrically connected with first electrode 21 by contacting plug and wire.Equally not shown in figure, plug and wire quilt are contacted
It is arranged on second component 52.In some cases, organic EL device drive division is may also be arranged on above illuminating part 24.
In the 5th embodiment, protecting film 31 and sealing material layer 32 are entering one with first embodiment identical mode
Step is arranged on illuminating part 24.
To the organic EL display apparatus according to the 5th embodiment 5A and the organic EL as typical comparison display device 5A
Display device is simulated to obtain the Electric dipole radiation of brightness.It is tool according to the organic EL display apparatus of the 5th embodiment 5A
The configuration of promising 5th embodiment design and the organic EL display apparatus of structure.In the organic EL according to the 5th embodiment 5A
In display device,
By diameter R1It is set as 2.3 μm；
By diameter R2It is set as 3.8 μm；
Height H is set as into 1.5 μm；
The angle of the inclined plane of the truncated cone-shaped of first component 51 is set as into 63 degree；
The thickness of protecting film 31 is set as into 3.0 μm；
The thickness of sealing material layer 32 is set as into 10 μm；
The thickness of light filter 33 is set as into 2.0 μm；And
By the diameter of illuminating part 24（Or specifically, the diameter of first electrode 21）It is set as 2.0 μm.
Organic EL display apparatus as typical comparison display device 5A with according to the organic of the 5th embodiment 5A
The configuration of EL display devices and the configuration of structure identical and structure, except the organic EL as typical comparison display device 5A shows
Equipment is provided with the SiO for substituting reflector layer 502Outside layer.Analog result shows, in ± 10 degree of radiation angular range, according to
The luminous efficiency of the organic EL display apparatus of five embodiment 5A is 2.2 times of the luminous efficiency of typical comparison display device 5A,
And be the driving of typical comparison display device 5A according to the driving current density of the organic EL display apparatus of the 5th embodiment 5A
0.4 times of electric current density.If in addition, assume light filter offset 0.3 μm in the horizontal direction, according to having for the 5th embodiment 5A
The luminous efficiency of machine EL display devices is 2.3 times of the luminous efficiency of typical comparison display device 5A, according to the 5th embodiment
The driving current density of the organic EL display apparatus of 5A is 0.5 times of the driving current density of typical comparison display device 5A, and
Blend color ratio according to the organic EL display apparatus of the 5th embodiment 5A is 1.3%.
Equally in the case of the organic EL display apparatus according to the 5th embodiment 5, specify first component 51 in advance
Refractive index value n1And refractive index n of first component 511With refractive index n of second component 522Between difference.Therefore, in the second structure
On the surface towards first component 51 of part 52, i.e., on the interface between first component 51 and second component 52, can be reliable
Ground reflection is propagated through at least a portion of the light of first component 51, even without setting reflective member etc..Alternatively, it is also possible to reliability
Prevent from being reflected by first component 51 by the light that luminescent device 10 sends completely.Most of all, all purposes can also be realized,
Including 1/2 times of the value that driving current density is down to no more than existing organic EL display apparatus of value, luminous efficiency is improved
To not less than existing organic EL display apparatus value twice value, and by blend color than be down to no more than 3% value.
It should be noted that being applicable to according to the 3rd embodiment according to the structure of the organic EL display apparatus of the 5th embodiment
Organic EL display apparatus, so as to the organic EL display apparatus used in TV receivers according to the 5th embodiment.In the feelings
Under condition, with the 3rd embodiment identical mode, multiple luminescent devices 10 are aggregated to form a sub-pixel.
Up to the present, the disclosure is set forth by describing preferred implementation.However, the enforcement of the disclosure
It is never limited to preferred implementation.That is, the element illustrated in description is typical.In other words, these yuan can be changed
Part.These elements include organic EL display apparatus according to the embodiment, by matching somebody with somebody that each organic EL display apparatus are adopted
Put with structure and the material for making organic EL display apparatus and organic EL device.For example, as shown in figure 11, tool can be set
There is refractive index n than protecting film 313Higher refractive index n5High-refractive-index regions 51C replacing making the one of sealing material layer 32
The inner side of region 51B is extended partially into, Figure 11 is to illustrate to obtain according to the display device of the 4th embodiment by modification
The illustraton of model of a part for the section of typical revision.Therefore, the light of high-refractive-index regions 51C is propagated to from protecting film 31 and is inclined
Tiltedly region 51D collisions, tilting zone 51D is the interface between protecting film 31 and high-refractive-index regions 51C.With tilting zone
Most of light of 51D collisions is returned high-refractive-index regions 51C.As a result, acquisition can further be improved from luminescent device to outer
The efficiency of the light in portion.It should be noted that for example, it may be desirable to meeting the condition of relationship below：
(n5–n3)≥0.3。
Should also keep firmly in mind, the disclosure can also be implemented as following enforcement：
1. a kind of display device, including：
（A）First substrate, be built with the first substrate respectively have include first electrode, be configured with including
Multiple luminescent devices of the stack layer of the illuminating part and second electrode of the organic layer of photosphere；And
（B）The second substrate being arranged on above second electrode, wherein：
First substrate is provided with including for propagating the light the first structure by light output to outside that are sent by luminescent device
Part and the reflector layer for filling the second component in the space between first component；
1.1≤n of relational expression1≤ 1.8 are suitable for, wherein, reference markss n1Represent the refractive index of first component；
Relational expression (n1-n2) >=0.2 is suitable for, wherein, reference markss n2Represent the refractive index of second component；And
Be propagated through first component light at least a portion by second component towards the surface of first component or by first
Interface reflection between component and second component.
2. a root implements the display device described in 1, wherein, make luminescent device contact with each other with first component.
3. a root implements the display device described in 1 or 2, wherein, will be the light sent by luminescent device defeated by second substrate
Go out to outside.
4. a root implements the display device described in 3, and the display device also includes：
Protecting film and sealing material layer on reflector layer, wherein,
Relational expression | n3–n4|≤0.3 is suitable for, wherein, reference markss n3And n4Protecting film and sealing material layer are represented respectively
Refractive index.
5. a root implements the display device described in 3 or 4, wherein, sent and passed through by luminescent device the first and second components
Exporting to the measurer of outside light has value in the range of 1.5 to 2.0, wherein, value 1.0 is taken as from the center of luminescent device sending
Light amount.
6. a root implements the display device any one of 3 to 5, wherein, second substrate is provided with light filter.
7. a root implements the display device any one of 1 to 6, wherein, pixel is configured by a luminescent device.
8. a root implements the display device described in 7, wherein, first component has the truncated conical shape for meeting relationship below：
0.5≤R1/R2≤ 0.8 and
0.5≤H/R1≤2.0
Wherein, reference markss R1Represent the diameter of the light entrance face of first component, reference markss R2Represent the light of first component
The diameter of exit facet, and reference character H represents the height of first component.
9. a root implements the display device any one of 1 to 6, wherein, pixel is come by the set of multiple luminescent devices
Configuration.
10. a root implements the display device described in 9, wherein, first component has the truncated conical shape for meeting relationship below：
0.5≤R1/R2≤ 0.8 and
0.5≤H/R1≤2.0
Wherein, reference markss R1Represent the diameter of the light entrance face of first component, reference markss R2Represent the light of first component
The diameter of exit facet, and reference character H represents the height of first component.
Display device any one of 11. root enforcements 1 to 10, wherein：
First component is by Si1-xNx、ITO、IZO、TiO2、Nb2O5, it is brominated（Br）Polymer, sulfur-bearing（S）Polymer, titaniferous
（Ti）Polymer contains zirconium（Zr）Polymer is made；And
Second component is by SiO2, MgF, LiF, polyimide resin, acrylic resin, fluorine resin, silicones, fluorine system gather
Compound or silicon systems polymer are made.
A kind of 12. methods for manufacturing display device, the display device include：
（A）First substrate, be built with the first substrate respectively have include first electrode, be configured with including
Multiple luminescent devices of the stack layer of the illuminating part and second electrode of the organic layer of photosphere；And
（B）The second substrate being arranged on above second electrode, wherein：
First substrate is provided with including for propagating the light the first structure by light output to outside that are sent by luminescent device
Part and the reflector layer for filling the second component in the space between first component；And
Be propagated through first component light at least a portion by second component towards the surface of first component or by first
Interface reflection between component and second component,
The manufacture method includes：
Interlayer insulating film is built on the first substrate, and first electrode is built on interlayer insulating film；Subsequently
Second component configuration layer is built in first electrode and interlayer insulating film, and it is subsequently electric by being selectively removed first
The second component configuration layer extremely gone up is obtaining the second component with the aperture with face of slope；Subsequently
The illuminating part in the domatic top in aperture is built in the position from above the first electrode of bottom for being exposed to aperture
And second electrode；And subsequently
First component is built on the second electrode.
A kind of 13. methods for manufacturing display device, the display device include：
（A）First substrate, be built with the first substrate respectively have include first electrode, be configured with including
Multiple luminescent devices of the stack layer of the illuminating part and second electrode of the organic layer of photosphere, and
（B）The second substrate being arranged on above second electrode, wherein,
First substrate is provided with including for propagating the light the first structure by light output to outside that are sent by luminescent device
Part and the reflector layer for filling the second component in the space between first component, and
Be propagated through first component light at least a portion by second component towards the surface of first component or by first
Interface reflection between component and second component,
The manufacture method includes：
Prepare the stamping die with the shape complementary with first component；
Resin material is coated on supporting substrate；Subsequently
After resin material being built using stamping die, obtain the resin material with protuberance by removing stamping die
Layer；Subsequently
The flat-top of the protuberance of resin material layer is made, and subsequently the sky between protuberance is filled with adhesive phase
Between；And subsequently
Make resin material layer come off from supporting substrate, and adhesive phase and first substrate are bonded together with obtain by
Second component including adhesive phase and the reflector layer of the first component configuration including resin material layer.
Additionally, the disclosure can also be implemented as following enforcement：
1. a kind of display device, including：
Multiple luminescent devices, are formed on substrate；
Multiple first components, it is corresponding with the luminescent device and being formed directly into the corresponding luminescent device one
On point；And
Multiple second components, are formed in the region between adjacent first component,
Wherein, the first component and the second component be configured to reflect and guide from illuminating part send by institute
State at least a portion of the light of first component.
2. according to implement 1 described in display device,
Wherein, at least one luminescent device include first electrode, second electrode and be formed in the first electrode with it is described
Luminescent layer between second electrode, and
Wherein, the first component is formed directly in the second electrode of the corresponding luminescent device.
3. according to implement 2 described in display device, wherein, the luminescent layer is formed in the first electrode and described second
On component.
4. the display device according to implementing 3, wherein, the first electrode is made up of reflectorized material, and described the
Two electrodes are made up of at least partly transparent material.
5. according to implement 1 described in display device,
Wherein, at least one luminescent device include first electrode, second electrode and be formed in the first electrode with it is described
Luminescent layer between second electrode, and
Wherein, the first component is formed directly in the first electrode of the corresponding luminescent device, and is formed
Between the first electrode and the substrate.
6. the display device according to implementing 5, wherein, the second electrode is made up of reflectorized material, and described the
One electrode is made up of at least partly transparent material.
7. according to implement 1 described in display device, wherein, refractive index value n of the first component1With the second component
Refractive index value n2It is different.
8. according to implement 7 described in display device, wherein, refractive index n of the first component1With the second component
Refractive index n2Meet following relation：
1.1≤n1≤1.8；And
(n1–n2)≥0.2。
9. the display device according to implementing 1, wherein, interface between the first component and the second component is used
Make reflective optical system.
10. the display device according to implementing 1, wherein, at least one layer is formed in the first component with described the
Between two components.
11. display devices according to implementing 10, wherein, at least one electrode and luminescent layer shape of the luminescent device
Into between the first component and the second component.
12. display devices according to implementing 1, wherein, the first component has truncated cone-shaped.
13. display devices according to implementing 12, wherein, the shape of the first component meets following relation：
0.5≤R1R2≤0.8；And
0.5≤H/R1≤ 2.0,
Wherein, R1It is the diameter of the light entrance face of the first component, R2Be the first component light-emitting face it is straight
Footpath, and H is the height of the first component.
14. display devices according to implementing 1, wherein, the first component includes SiO2, and the second component
Including SiN.
15. a kind of electronic equipment, including：
Display device, which includes：
Multiple luminescent devices, are formed on substrate；
Multiple first components, it is corresponding with the luminescent device and being formed directly into the corresponding luminescent device one
On point；And
Multiple second components, are formed in the region between adjacent first component,
Wherein, the first component and the second component be configured to reflect and guide from illuminating part send by institute
State at least a portion of the light of first component.
A kind of 16. methods of manufacture display device, methods described include：
Multiple luminescent devices are formed on substrate；
With the luminescent device corresponding multiple first are formed in a part for the corresponding luminescent device directly
Component；And
The multiple second components for being formed are formed in the region between adjacent first component,
Wherein, the first component and the second component be configured to reflect and guide from illuminating part send by institute
State at least a portion of the light of first component.
A kind of 17. display devices, including：
Multiple luminescent devices, are formed on substrate；
Multiple first components, corresponding with the luminescent device, each first component is formed in the light emitting device
On corresponding one；And
Multiple second components, are formed in the region between adjacent first component,
Wherein, refractive index value n of the first component1With refractive index value n of the second component2It is different.
The Japanese earlier patent application that this technology includes being related to submitting in Japan Office on 2 17th, 2,012 the
No. JP2012-033053 and the Japanese earlier patent application JP2012- that submits in Japan Office on October 5th, 2012
Theme disclosed in No. 223389, entire contents are hereby incorporated by for reference.
Claims (16)
1. a kind of display device, including：
Multiple luminescent devices, are formed on substrate, wherein, luminescent device described at least one includes first electrode, second electrode
And the luminescent layer being formed between the first electrode and the second electrode；
Multiple first components, a part that is corresponding with the luminescent device and being formed directly into the corresponding luminescent device
On；And
Multiple second components, are formed in the region between adjacent first component, and the luminescent layer covers the second component
Side surface；
Protecting film, is formed in the second electrode and the first component and across the second electrode and first structure
Part；
Sealing material layer, is formed on the protecting film；
Wherein, the first component and the second component be configured to reflect and guide from illuminating part send by described
At least a portion of the light of one component,
Wherein, refractive index value n of the first component1With refractive index value n of the second component2Meet following relation：
1.1≤n1≤1.8；And
(n1–n2)≥0.2；
Wherein, refractive index n of the protecting film3With refractive index n of the sealing material layer4Meet relationship below：
|n3–n4|≤0.3。
2. display device according to claim 1,
Wherein, the first component is formed directly in the second electrode of the corresponding luminescent device.
3. display device according to claim 2, wherein, the luminescent layer is formed in the first electrode and described second
On component.
4. display device according to claim 3, wherein, the first electrode is made up of reflectorized material, and described
Two electrodes are made up of at least partly transparent material.
5. display device according to claim 1,
Wherein, the first component is formed directly in the first electrode of the corresponding luminescent device, and is formed in institute
State between first electrode and the substrate.
6. display device according to claim 5, wherein, the second electrode is made up of reflectorized material, and described
One electrode is made up of at least partly transparent material.
7. display device according to claim 1, wherein, the interface between the first component and the second component is used
Make reflective optical system.
8. display device according to claim 1, wherein, at least one layer is formed in the first component with described second
Between component.
9. display device according to claim 8, wherein, at least one electrode of the luminescent device and luminescent layer are formed
Between the first component and the second component.
10. display device according to claim 1, wherein, the first component has truncated cone-shaped.
11. display devices according to claim 10, wherein, the shape of the first component meets following relation：
0.5≤R1R2≤0.8；And
0.5≤H/R1≤ 2.0,
Wherein, R1It is the diameter of the light entrance face of the first component, R2It is the diameter of the light-emitting face of the first component, with
And H is the height of the first component.
12. display devices according to claim 1, wherein, the first component includes SiO2,
And the second component includes SiN.
13. a kind of electronic equipment, including：
Display device, which includes：
Multiple luminescent devices, are formed on substrate, wherein, luminescent device described at least one includes first electrode, second electrode
And the luminescent layer being formed between the first electrode and the second electrode；
Multiple first components, a part that is corresponding with the luminescent device and being formed directly into the corresponding luminescent device
On；And
Multiple second components, are formed in the region between adjacent first component, and the luminescent layer covers the second component
Side surface；
Protecting film, is formed in the second electrode and the first component and across the second electrode and first structure
Part；
Sealing material layer, is formed on the protecting film；
Wherein, the first component and the second component be configured to reflect and guide from illuminating part send by described
At least a portion of the light of one component,
Wherein, refractive index value n of the first component1With refractive index value n of the second component2Meet following relation：
1.1≤n1≤1.8；And
(n1–n2)≥0.2；
Wherein, refractive index n of the protecting film3With refractive index n of the sealing material layer4Meet relationship below：
|n3–n4|≤0.3。
A kind of 14. methods of manufacture display device, methods described include：
Multiple luminescent devices are formed on substrate, wherein, luminescent device described at least one include first electrode, second electrode and
The luminescent layer being formed between the first electrode and the second electrode；
With the luminescent device corresponding multiple first components are formed in a part for the corresponding luminescent device directly；
And
The multiple second components for being formed are formed in the region between adjacent first component, and the luminescent layer covers second structure
The side surface of part；
Protecting film is formed in the second electrode and the first component, the protecting film is across in the second electrode and institute
State in first component；
Sealing material layer is formed on the protecting film；
Wherein, the first component and the second component be configured to reflect and guide from illuminating part send by described
At least a portion of the light of one component,
Wherein, refractive index value n of the first component1With refractive index value n of the second component2Meet following relation：
1.1≤n1≤1.8；And
(n1–n2)≥0.2；
Wherein, refractive index n of the protecting film3With refractive index n of the sealing material layer4Meet relationship below：
|n3–n4|≤0.3。
A kind of 15. display devices, including：
Multiple luminescent devices, are formed on substrate, wherein, luminescent device described at least one includes first electrode, second electrode
And the luminescent layer being formed between the first electrode and the second electrode；
Multiple first components, corresponding with the luminescent device, it is corresponding that each first component forms in the light emitting device
One on；And
Multiple second components, are formed in the region between adjacent first component, and the luminescent layer covers the second component
Side surface；
Protecting film, is formed in the second electrode and the first component and across the second electrode and first structure
Part；
Sealing material layer, is formed on the protecting film；
Wherein, the first component and the second component be configured to reflect and guide from illuminating part send by described
At least a portion of the light of one component,
Wherein, refractive index value n of the first component1With refractive index value n of the second component2Meet following relation：
1.1≤n1≤1.8；And
(n1–n2)≥0.2；
Wherein, refractive index n of the protecting film3With refractive index n of the sealing material layer4Meet relationship below：
|n3–n4|≤0.3。
16. display devices according to claim 15,
Wherein, the first component is formed directly in the second electrode of the corresponding luminescent device.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012033053 | 2012-02-17 | ||
| JP2012-033053 | 2012-02-17 | ||
| JP2012-223389 | 2012-10-05 | ||
| JP2012223389A JP6082907B2 (en) | 2012-02-17 | 2012-10-05 | Display device and manufacturing method of display device |
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| CN103258838A CN103258838A (en) | 2013-08-21 |
| CN103258838B true CN103258838B (en) | 2017-04-12 |
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| JP2016111134A (en) * | 2014-12-04 | 2016-06-20 | ソニー株式会社 | Organic el element and display device |
| JP2017026973A (en) | 2015-07-28 | 2017-02-02 | ソニー株式会社 | Display panel, display device and electronic apparatus |
| JP2017157782A (en) * | 2016-03-04 | 2017-09-07 | ソニー株式会社 | Organic electroluminescent device and method for manufacturing the same |
| JP2017181831A (en) * | 2016-03-31 | 2017-10-05 | ソニー株式会社 | Display device and electronic apparatus |
| JP7007366B2 (en) * | 2017-03-31 | 2022-01-24 | ソニーセミコンダクタソリューションズ株式会社 | Light emitting elements, display devices, and electronic devices |
| CN108807458B (en) * | 2017-04-28 | 2024-01-23 | 昆山国显光电有限公司 | Pixel structure and OLED display screen comprising same |
| CN107579166B (en) * | 2017-08-31 | 2024-04-12 | 京东方科技集团股份有限公司 | Display panel, display device and display panel manufacturing method |
| KR102521760B1 (en) | 2017-10-31 | 2023-04-13 | 엘지디스플레이 주식회사 | Organic light emitting diodes display |
| US11456443B2 (en) * | 2020-12-01 | 2022-09-27 | Sharp Kabushiki Kaisha | High on-axis brightness and low colour shift QD-LED pixel with equal layer thicknesses between colour pixels |
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| JP2007248484A (en) * | 2006-03-13 | 2007-09-27 | Sony Corp | Display device |
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| JP5157825B2 (en) * | 2008-10-29 | 2013-03-06 | ソニー株式会社 | Manufacturing method of organic EL display |
| JP5126545B2 (en) * | 2009-02-09 | 2013-01-23 | ソニー株式会社 | Manufacturing method of display device |
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