CN106935621A - For the substrate and organic light-emitting display device of organic light-emitting display device - Google Patents

Abstract

There is provided a kind of substrate and organic light-emitting display device for organic light-emitting display device, including：Protective layer with non-flat shape；First electrode on the protective layer, the first electrode has the non-flat shape；With the dike layer on the protective layer and the first electrode, dike layer includes the beveled for exposing the first electrode, and the protective layer is formed at the part in the opening of the dike layer and the region with dike layer.

Description

For the substrate and organic light-emitting display device of organic light-emitting display device

Cross-Reference to Related Applications

This application claims the korean patent application No.10- submitted to for 30th in September in 2015 in Korean Intellectual Property Office 2015-0137259, the korean patent application No.10-2015-0137750 submitted to for 30th in September in 2015, in April, 2016 The korean patent application No.10-2016-0053635 for submitting to for 30th and the Korean Patent Shen submitted to for 26th in September in 2016 Please No.10-2016-0123377 priority, here cite these application disclosure as reference.

Technical field

Present disclosure be related to it is a kind of with improve light extraction efficiency the substrate for organic light-emitting display device with And organic light-emitting display device.

Background technology

In recent years, the organic light-emitting display device for coming into the picture as display device is by using special with self-luminous The Organic Light Emitting Diode (OLED) of property and there is fast response time, and contrast, luminous efficiency, big excellent of brightness and visual angle Point.

The light launched from the organic luminous layer of organic light-emitting display device passes through the various assemblies of organic light-emitting display device It is released to outside organic light-emitting display device.However, among the light launched from organic luminous layer, existing and being not released into Light outside machine luminous display unit but in being blocked in organic light-emitting display device, thus for organic light-emitting display device Front and side for, there is problem in the light extraction efficiency of organic light-emitting display device.

Additionally, the optical path length from the light of the organic illuminating element transmitting with tabular surface is different for visual angle, so The color change for visual angle is there occurs, the colour cast of red (R), green (G) and blue (B) increases, and as a result colorimetric properties are in side It is poor in side.

It is therefore desirable to be able to solve the scheme of the problem.

The content of the invention

Substrate for forming organic luminous layer may include：For step caused by the formation due to transistor is flat The protective layer of change, form anode electrode on the protection layer and be formed in other regions in addition to for the region for lighting In dike layer.Additionally, organic luminous layer is laminated on flat anode electrode, as a result, organic luminous layer is again formed as planar-shaped Formula.Because flat light-emitting area depends significantly on the optical path length for visual angle, there occurs based on organic light emitting display The color change at the visual angle of device, as a result, it is characterized in that flat light-emitting area has an impact to the colour cast on side.Additionally, When angle of inclination is specified in the opening in the related art to dike layer, some light quantities of luminescence unit clash into the inclined surface of dike layer And reflected on the inclined surface of dike layer, the light quantity also very little collected on front.

Additionally, the colour cast occurred on the side of organic light-emitting display device refers to red colour cast, the green for visual angle Colour cast and blue colour cast and white color offset, because on flat light-emitting area, the colour cast occurred on side increases, so Colour cast characteristic is poor on side.In this case, colour cast can represent the difference of the chromaticity coordinates for visual angle.

The purpose that present disclosure is realized is to provide a kind of substrate for organic light-emitting display device and organic hair Electro-optical display device, it can increase the light extraction efficiency on the front and side of organic light-emitting display device, reduce and be directed to visual angle Colour cast and improve organic light-emitting display device lateral brightness intensity.

Another purpose that present disclosure is realized is to provide a kind of substrate for organic light-emitting display device and organic Luminous display unit, it can reduce the colour cast for visual angle in subpixel area.

The further object that present disclosure is realized is to provide a kind of light extraction efficiency due on front and side and improves And there is the organic light-emitting display device in the life-span of raising.

The purpose of present disclosure is not limited to object defined above, above NM other purposes by following description for What those of ordinary skill in the art will be apparent.

According to the one side of present disclosure, there is provided a kind of substrate for organic light-emitting display device, including：Protect Sheath, first electrode and dike layer.The protective layer has non-flat shape.The first electrode with identical non-flat shape On the protective layer.Dike layer is located in the protective layer and the first electrode and including for exposing described the The opening of one electrode.The protective layer is formed in the opening of the dike layer and below a part for dike layer.

According to the other side of present disclosure, there is provided a kind of organic light-emitting display device, including：Dike layer, protection Layer and organic luminous layer.The protective layer has visual angle improvement structure.The organic light-emitting display device include multiple pixels with And constitute the sub-pixel of the pixel.The dike layer exposes the light-emitting zone of the sub-pixel and including beveled.It is described Organic luminous layer is arranged on to be improved on the protective layer of structure including the visual angle, and the organic luminous layer follow it is described Visual angle improves the form of structure.

According to present disclosure, there is provided a kind of substrate for organic light-emitting display device, the substrate includes having The protective layer of non-flat shape.Therefore, light extraction efficiency can be improved and reduces the colour cast for being directed to visual angle.

Additionally, according to present disclosure, there is provided a kind of substrate for organic light-emitting display device, the substrate includes Protective layer with non-flat shape.Consequently, because optical path length can be substantially equally kept for visual angle, so pin can be reduced Colour cast to visual angle and improve organic light-emitting display device lateral brightness intensity.

Additionally, according to present disclosure, there is provided a kind of substrate for organic light-emitting display device, the substrate includes Dike layer, dike layer have at a predetermined angle or the beveled that is formed of more high angle or the opening with curved shape, with Improve the light extraction efficiency on front.

Additionally, according to present disclosure, there is provided a kind of substrate for organic light-emitting display device, the substrate is in shape There is non-flat shape on protective layer in the region of Cheng Di layers of opening and dike layer, to suppress to be arranged in light-emitting zone Non-flat shape occur deviation and reduce be directed to visual angle colour cast.

According to present disclosure, there is provided a kind of substrate for organic light-emitting display device, the substrate has each other The vertical length or horizontal length of different multiple light-emitting zones, to improve the life-span of organic illuminating element.

According to present disclosure, there is provided a kind of organic light-emitting display device, the organic light-emitting display device includes tool Having visual angle improves the protective layer of structure, to improve light extraction efficiency and reduce the colour cast for being directed to visual angle.

According to present disclosure, there is provided a kind of organic light-emitting display device, the organic light-emitting display device has dike Layer, the dike layer includes the beveled of the light-emitting zone for exposing sub-pixel or the opening with curved shape, to carry Light efficiency on the front of organic light-emitting display device high.

According to present disclosure, there is provided a kind of organic light-emitting display device, in the pixel including multiple sub-pixels, institute State organic light-emitting display device be formed as multiple sub-pixels at least one of do not wrap on the protective layer that sets in sub-pixel Including visual angle improves structure, with the light efficiency on the front for improving organic light-emitting display device.

According to present disclosure, there is provided a kind of organic light-emitting display device, in the pixel including multiple sub-pixels, its In a protective layer for sub-pixel among two or more sub-pixels include recess and the protective layer of another sub-pixel Including convex portion, to reduce the colour cast for visual angle.

According to present disclosure, two or more openings of dike layer are formed in a sub-pixel, as a result, by recess The light of transmitting reflects on partition wall, with the light efficiency on the front for improving organic light-emitting display device.

The effect of present disclosure is not limited to foregoing advantages, and the application includes various other effects.

Brief description of the drawings

By from the detailed description later in conjunction with accompanying drawing be more clearly understood that present disclosure above and other in terms of, feature With other advantages, wherein：

Fig. 1 is the profile of the organic light-emitting display device for being applied to present disclosure exemplary embodiment；

Fig. 2 is light-emitting zone of the diagram according to the organic light-emitting display device of the exemplary embodiment of present disclosure first Plan；

Fig. 3 is the organic light-emitting display device intercepted according to A-B along the exemplary embodiment of present disclosure first Profile；

Fig. 4 is the organic light emitting display dress that diagram is intercepted according to A-B along the exemplary embodiment of present disclosure first The another form of diagram of the profile put；

Fig. 5 is light-emitting zone of the diagram according to the organic light-emitting display device of the exemplary embodiment of present disclosure second Plan；

Fig. 6 is the organic light-emitting display device intercepted according to C-D along the exemplary embodiment of present disclosure second Profile；

Fig. 7 is light-emitting zone of the diagram according to the organic light-emitting display device of the exemplary embodiment of present disclosure the 3rd Plan；

Fig. 8 is light-emitting zone of the diagram according to the organic light-emitting display device of the exemplary embodiment of present disclosure the 4th Plan；

Fig. 9 is the arrangement of multiple recesses of the diagram in the light-emitting zone of the organic light-emitting display device of present disclosure The plan of structure；

Figure 10 is the flat of another shape of the diagram in the light-emitting zone of the organic light-emitting display device of present disclosure Face figure；

Figure 11 is the organic light-emitting display device intercepted according to E-F along the exemplary embodiment of present disclosure the 4th The profile of a part for light-emitting zone；

Figure 12 is light-emitting zone of the diagram according to the organic light-emitting display device of the exemplary embodiment of present disclosure the 5th Plan；

Figure 13 is the plan for illustrating organic light-emitting display device, and the organic light-emitting display device includes luminous for each Region has multiple recesses of different-diameter；

Figure 14 be along G-H interception Figure 13 organic light-emitting display device light-emitting zone profile；

Figure 15 is light-emitting zone of the diagram according to the organic light-emitting display device of the exemplary embodiment of present disclosure the 6th Plan；

Figure 16 is the organic light-emitting display device intercepted according to I-J along the exemplary embodiment of present disclosure the 6th The profile of light-emitting zone；

Figure 17 is light-emitting zone of the diagram according to the organic light-emitting display device of the exemplary embodiment of present disclosure the 7th Plan；

Figure 18 is the organic light-emitting display device intercepted according to K-L along the exemplary embodiment of present disclosure the 7th The profile of light-emitting zone；

Figure 19 is diagram according to the exemplary embodiment extended out based on the exemplary embodiment of present disclosure the 7th The plan of the light-emitting zone of organic light-emitting display device；

Figure 20 is the profile intercepted along the line M-N of the plan of Figure 19；

Figure 21 is light-emitting zone of the diagram according to the organic light-emitting display device of the exemplary embodiment of present disclosure the 8th Plan；

Figure 22 and 23 is the organic light emitting display dress intercepted according to O-P along the exemplary embodiment of present disclosure the 8th The profile of the light-emitting zone put；

Figure 24 and 25 is organic hair of the interceptions of O-P along the line extended out based on the exemplary embodiment of present disclosure the 8th The profile of the light-emitting zone of electro-optical display device；

Figure 26 is light-emitting zone of the diagram according to the organic light-emitting display device of the exemplary embodiment of present disclosure the 9th Plan；

Figure 27 and 28 is the organic light emitting display dress intercepted according to Q-R along the exemplary embodiment of present disclosure the 9th The profile of the light-emitting zone put；

Figure 29 is light-emitting zone of the diagram according to the organic light-emitting display device of the exemplary embodiment of present disclosure the tenth Plan；

Figure 30 and 31 is the organic light emitting display dress intercepted according to S-W along the exemplary embodiment of present disclosure the tenth The profile of the light-emitting zone put；

Figure 32 is a picture of the diagram according to the organic light-emitting display device of the exemplary embodiment of present disclosure the 11st The plan of element；

Figure 33 is diagram according to the exemplary embodiment extended out based on the exemplary embodiment of present disclosure the 11st Organic light-emitting display device a plan for pixel；

Figure 34 is the profile intercepted along the line T-U of the plan of Figure 33.

Figure 35 A to 35D be the right direction of the center according to organic light-emitting display device as a comparison case, upper direction, The diagram of the color coordinates of the visual angle diagram white light in left direction and lower direction；

Figure 36 A to 36D be the right direction of the center according to the organic light-emitting display device as embodiment, upper direction, The diagram of the color coordinates of the visual angle diagram white light in left direction and lower direction.

Specific embodiment

Hereinafter, the exemplary embodiment of present disclosure is described with reference to the accompanying drawings.There is provided what is be described below as an example Exemplary embodiment, so that the spirit of present disclosure is entirely delivered to those skilled in the art by present disclosure.Such as ability What field technique personnel will realize, the implementation method of description can modify in a variety of ways, all without departing from this public affairs Open the spirit or scope of content.Additionally, in figure, for ease of description, the size and thickness of enlarged representation equipment.Identical Reference marker represents identical element in the whole text.

Shape, size, ratio, angle, the number shown in the accompanying drawings to describe the implementation method of present disclosure Amount etc. is only example, and present disclosure is not limited to this.Identical reference marker typically represents identical element in the whole text.This Outward, in the following description, explaining in detail for known correlation technique may be omitted, to avoid unnecessarily making present disclosure Theme is smudgy.It is as used herein such as " including ", " having " and " by ... constitute " etc term be generally intended to allow Addition other assemblies, unless the term has used term " only ".The reference of any singulative may include plural form, unless separately Clearly state.

Even if not clearly stating, component is still interpreted comprising common error range.

When using such as " ... on ", " in ... top ", " in ... lower section ", " ... after " or the like art When language describes the position relationship between two parts, one or more parts can be set between two parts, unless these arts Language has used term " immediately " or " direct ".

Although having used term " first ", " second " etc. to describe various assemblies, these components should not be limited by these terms. These terms are only used for distinguishing a component and other assemblies.Therefore, in the technology design of present disclosure, carry below To first assembly can be the second component.

As those of ordinary skill in the art fully understand, the feature of each implementation method of present disclosure being capable of part each other Or integrally combine or combine, and can be interconnected with various technical approach and connect and operate, and these implementation methods can Independently or related to each other implement.

Fig. 1 is the profile of the organic light-emitting display device for being applied to present disclosure exemplary embodiment.Reference picture 1, The organic light-emitting display device for being applied to present disclosure exemplary embodiment includes thin film transistor (TFT) Tr and and film crystal The organic illuminating element EL of pipe Tr electrical connections.

Thin film transistor (TFT) Tr includes gate electrode 121a, active layer 122a, source electrode 124a and drain electrode 123a.And And, organic illuminating element EL includes first electrode 140a, organic luminous layer 150a and second electrode 160a.

Specifically, the gate electrode 121a of thin film transistor (TFT) Tr and the first insulating barrier 110a are arranged on first substrate 100a On.The active layer 122a Chong Die with gate electrode 121a is arranged on the first insulating barrier 110a, and for protecting active layer The etch stopper 132a of the channel region of 122a is arranged on active layer 122a.Also etch stopper can be omitted.

Also, the source electrode 124a and drain electrode 123a contacted with active layer 122a are arranged on active layer 122a, Second insulating barrier 120a is arranged on source electrode 124a and drain electrode 123a.Drain electrode 123a is illustrated as by second The contact hole of insulating barrier 120a is connected with first electrode 140a, but can be applied to organic hair of present disclosure exemplary embodiment Electro-optical display device is not limited to Fig. 1.Source electrode 124a and first electrode 140a can be connected to each other, and can further include to set Cushion between first substrate 100a and active layer 122a.Additionally, in addition to the cross structure of Fig. 1, can be applied to organic The type of the thin film transistor (TFT) Tr of luminous display unit can also be using coplanar structure etc..

Additionally, protective layer 130a is arranged on the second insulating barrier 120a.Meanwhile, organic layer is inserted between two reflecting layer, The optical waveguide mode being made up of the surface plasma composition produced on the interface between metal and organic layer has occupied about transmitting 60% to the 70% of light.Therefore, there occurs that wherein 60% to 70% light is not launched but is blocked in organic luminous layer 150a In phenomenon, and need the light extraction that will be produced from organic luminous layer 150a to outside display device.

To solve the problem, the protective layer 130a of the organic light-emitting display device according to present disclosure exemplary embodiment There can be the shape of non-flat forms, the shape of the non-flat forms is realized being used for reducing the colour cast for visual angle.That is, protective layer 130a may include that visual angle improves structure, for example, can realize protective layer by forming the multiple recess 131a set with aturegularaintervals 130a.Multiple recess 131a can have hemispherical, semielliptical shape or half polyhedron shape, but be not limited to this, its can be for Form the arbitrary shape of non-flat forms upper surface.

Multiple recess 131a may be provided at position corresponding with the light-emitting zone of each sub-pixel.Wherein, light-emitting zone Refer to that wherein organic luminous layer 150a passes through the region that first electrode 140a and second electrode 160a lights.Additionally, light-emitting zone Can refer to wherein first electrode 140a be arranged on the dike on first electrode 140a layer 136a the exposed regions of opening 136b, but Formed in the region of first electrode 140a, light-emitting zone may include wherein to form organic luminous layer 150a to send out on dike layer 136a The region of light.

Multiple recess 131a are arranged at position corresponding with the light-emitting zone of each sub-pixel, will be from organic hair with increase Effect outside the light extraction to display device of optical element EL transmittings.That is, including the protective layer with non-flat shape 130a, to improve light extraction efficiency and reduce the colour cast for being directed to visual angle.Additionally, because can substantially be protected for the optical path length at visual angle Hold equal, so the colour cast for visual angle can be reduced and the intensity of lateral brightness is improved.

On protective layer 130a, the organic illuminating element EL's that setting is connected with the drain electrode 123a of thin film transistor (TFT) Tr First electrode 140a.Additionally, the light extraction ability in order to improve organic luminous layer 150a, can further under first electrode 140a Side sets reflecting layer.

Dike layer 136a is arranged on protective layer 130a, to expose a part for the upper surface of first electrode 140a, by dike On the upper surface of the exposed first electrode 140a of layer 136a and dike layer 136a, organic luminous layer 150a can be set.

That is, dike layer 136a is arranged on protective layer 130a and first electrode 140a and including exposure first electrode The opening 136b of 140a.Dike layer 136a is used to divide adjacent pixel (or sub-pixel) region and may be provided at adjacent pixel Between (or sub-pixel) region.The recess 131a of protective layer 130a can be set to Chong Die with the opening 136b of dike layer 136a.As above It is described, it is aobvious in top emission type organic light emission because the recess 131a of protective layer 130a is arranged to Chong Die with color-filter layer In the situation of showing device, the recess 131a of protective layer 130a can be Chong Die with the opening 136b of dike layer 136a and color-filter layer. In the situation of bottom emission type organic light-emitting display device, the opening 136b weights of the recess 131a and dike layer 136a of protective layer 130a It is folded and can be Chong Die with the color-filter layer being arranged on the second insulating barrier 120a.

Wherein, organic luminous layer 150a can be provided only on by the upper surface of dike layer 136a exposed first electrode 140a, Or be arranged on first electrode 140a until the portion top surface of dike layer 136a.Additionally, second electricity of organic illuminating element EL Pole 160a is arranged to Chong Die with organic luminous layer 150a and dike layer 136a.

Additionally, for protecting organic illuminating element EL to be arranged on second electrode from the encapsulated layer 170a of moisture and oxygen On 160a.In Fig. 1, encapsulated layer 170a is illustrated as the construction of individual layer, but the exemplary embodiment of present disclosure is not limited to This, encapsulated layer 170a can also be formed by multilayer.Second substrate 200a may be provided on encapsulated layer 170a.

Additionally, polarization plates may be provided on the basal surface of first substrate 100a.Polarization plates can be had in a predetermined direction There are the polarization plates of polarization axle, polarization plates are configured to only transmitting optical axis with polarization from the incident light in the bottom of first substrate 100a Direction of principal axis identical light.Additionally, polarization plates have in a predetermined direction with polarization axle feature, but present disclosure typical case Implementation method not limited to this, polarization plates may include to further include the construction of phase retardation film.Additionally, polarization plates can by individual layer or Multilayer is constituted.

Additionally, Fig. 1 illustrates top emission type organic light-emitting display device, but the exemplary embodiment of present disclosure can It is applied to bottom emission type organic light-emitting display device or bidirectional luminescence type organic light-emitting display device.

Meanwhile, when the exemplary embodiment of present disclosure is applied to bottom emission type organic light-emitting display device, filter Color device layer may be provided on the second insulating barrier 120a.In this case, color-filter layer may be provided at each of multiple sub-pixels In sub-pixel or in some sub-pixels for being provided only in multiple sub-pixels.

Meanwhile, color-filter layer may be provided at position corresponding with the light-emitting zone of each sub-pixel.Wherein, light-emitting zone The region that to refer to wherein organic luminous layer 150a lighted by first electrode 140a and second electrode 160a, with light-emitting zone pair It refers to that color-filter layer is arranged to prevent the light launched in adjacent light-emitting zone from being mixed with each other that color-filter layer is formed at the position answered.

In above-mentioned organic light-emitting display device, in order to reduce the colour cast for visual angle, may make up with between rule Every the protective layer 130a of the recess 131a for setting.

In this case, in the light for inciding the interface between recess 131a and the first electrode 140a of organic illuminating element In, reflected on reflecting layer with the light of the incident angles of the cirtical angle of total reflection or smaller, to be extracted second substrate as former state Outside 200a.Additionally, be not blocked in organic illuminating element EL with the light of the incident angles of the cirtical angle of total reflection or bigger, But collision recess 131a, thus optical path length changes.Finally, the propagation angle of light is less than the cirtical angle of total reflection, thus Light is extracted to outside second substrate 200a.That is, with the cirtical angle of total reflection or bigger enter when protective layer 130a is flat Firing angle is incident can to extract outside so as to be not extracted by the light of outside by the recess 131a in protective layer 130a, thus improve The light extraction efficiency of organic light-emitting display device.Additionally, in first electrode 140a reflecting layer formed below, larger to improve The light extraction efficiency of organic light-emitting display device.

Additionally, pixel P includes one or more sub-pixels SP.Sub-pixel refers to wherein to form a kind of specific color-filter layer Unit, or color-filter layer is not formed but organic illuminating element can launch the unit of the light with particular color.In sub-pixel The color of definition may include red R, green G and blueness B, and be optionally included with white W, but present disclosure is not limited to This.

However, for the ease of description, the allusion quotation that the construction description of three sub-pixels is described below will be included with a pixel Type implementation method.However, but present disclosure not limited to this, pixel may also comprise four sub-pixels comprising white.

Additionally, being connected to the electrode for the luminous thin film transistor (TFT) in each subpixel area for controlling display panel Referred to as first electrode, is arranged on organic light-emitting display device front above or is arranged to include two or more pixel regions Electrode is referred to as second electrode.When first electrode is anode electrode, second electrode is cathode electrode, and opposite situation is also possible 's.Hereinafter, will main description anode electrode as first electrode example and cathode electrode as second electrode example, but Present disclosure not limited to this.

Additionally, in foregoing subpixel area, setting or being not provided with the color-filter layer with single color.Additionally, can be Light scattering layer is set in each subpixel area, to improve the light extraction efficiency of organic luminous layer.Light scattering layer can be regarded referred to as Angle improves structure or the protective layer with non-flat shape, and light scattering layer can be described as microlens array, nano-pattern, diffusion Pattern and silica bead grain.

Hereinafter, as the example of light scattering layer, mainly will describe as a kind of microlens array with recess or convex Portion or multiple recesses, the protective layer of convex portion, but according to the exemplary embodiment not limited to this of present disclosure, can be combined for dissipating Penetrate the various structures of light.

The typical embodiment party of the organic light-emitting display device that can be applied to foregoing organic light-emitting display device is described below Formula.

Fig. 2 is light-emitting zone of the diagram according to the organic light-emitting display device of the exemplary embodiment of present disclosure first Plan.

Reference picture 2, the organic light-emitting display device according to the exemplary embodiment of present disclosure first includes the first sub- picture Plain SP11, the second sub-pixel SP12 and the 3rd sub-pixel SP13.

In this case, the second sub-pixel SP12 and the 3rd sub-pixel SP13 can in the horizontal direction with the first sub-pixel SP11 is arranged side by side.Second sub-pixel SP12 and the 3rd sub-pixel SP13 can be arranged side by side in vertical direction.

First sub-pixel SP11, the second sub-pixel SP12 and the 3rd sub-pixel SP13 can respectively include transmitting different colours Light-emitting zone.For example, the first light-emitting zone EA11 of the first sub-pixel SP11 can launch the light of blue B, the second sub-pixel SP12 The second light-emitting zone EA12 can transmitting green G light, the 3rd light-emitting zone EA13 of the 3rd sub-pixel SP13 can launch red R Light.

Spectrum (with red, green and blue corresponding spectrum) from the light of these light-emitting zones transmitting is only example, The spectrum of the light that light-emitting zone EA11, EA12 and EA13 of first to the 3rd sub-pixel SP11, SP12 and SP13 are produced can be It is various.

Also, the vertical length L11 of the first light-emitting zone EA11 can be more than the vertical length L12 of the second light-emitting zone EA12 With the vertical length L13 of the 3rd light-emitting zone EA13.Additionally, the vertical length L13 of the 3rd light-emitting zone EA13 can be equal to or big In the vertical length L12 of the second light-emitting zone EA12.

Additionally, the horizontal length W11 of the first light-emitting zone EA11 is smaller than the horizontal length W12 of the second light-emitting zone EA12 With the horizontal length W13 of the 3rd light-emitting zone EA13.The horizontal length W12 of the second light-emitting zone EA12 can be equal to or more than the 3rd The horizontal length W13 of light-emitting zone EA13.

In this way, each sub-pixel can be adjusted by adjusting the horizontal length and vertical length of the light-emitting zone of each sub-pixel Light-emitting zone area.For example, as shown in Figure 2, the area of the first light-emitting zone EA11 of the first sub-pixel SP11 can be big In the area and the 3rd light-emitting zone EA13 of the 3rd sub-pixel SP13 of the second light-emitting zone EA12 of the second sub-pixel SP12 Area.

Additionally, the area of the second light-emitting zone EA12 and the 3rd light-emitting zone EA13 can be equal to each other.However, when the 3rd hair Vertical length L12s of the vertical length L13 or horizontal length W13 of light region EA13 more than the second light-emitting zone EA12 or level are long During degree W12, the area of the 3rd light-emitting zone EA13 can be more than the area of the second light-emitting zone EA12.

As a result, when the less efficient or shorter life-span of the organic illuminating element set in each sub-pixel, can be by adjusting Save efficiency or the life-span of the Area Compensation organic illuminating element of light-emitting zone.That is, as described above, the area of light-emitting zone is pressed Order according to the first sub-pixel SP11, the 3rd sub-pixel SP13 and the second sub-pixel SP12 reduces.In this case, according to organic The efficiency of light-emitting component, the first sub-pixel SP11, the 3rd sub-pixel SP13 and the second sub-pixel SP12 can be set to launch respectively Blue light, green light and red light, but present disclosure not limited to this.

Therefore, the vertical length or horizontal length of multiple light-emitting zones are form differently, organic illuminating element is thus improved Life-span.

Also, the first light-emitting zone EA11, the second light-emitting zone EA12 and the 3rd light-emitting zone EA13 may include multiple recessed Portion 131.Recess 131 is separated with aturegularaintervals with other recesses 131.Additionally, multiple recesses 131 can in the plane have circle Shape, but present disclosure exemplary embodiment not limited to this, it can have the polygon of such as oval or hexagon etc Shape shape.

It is arranged on the multiple recesses in the first light-emitting zone EA11, the second light-emitting zone EA12 and the 3rd light-emitting zone EA13 131 diameter D can be substantially identical to each other.As a result, from light-emitting zone EA11, EA12 and EA13, each light launched can be with big Identical efficiency is caused to be extracted to outside organic light-emitting display device.Also, it is arranged on the organic light emission according to present disclosure Multiple recesses 131 of first sub-pixel SP11, the second sub-pixel SP12 and the 3rd sub-pixel SP13 of display device in each Diameter D not limited to this, it can be different from each other.

This structure is described in detail below with reference to Fig. 3.

Fig. 3 is the organic light-emitting display device intercepted according to A-B along the exemplary embodiment of present disclosure first Profile.

Reference picture 3, in the light-emitting zone of the organic light-emitting display device according to the exemplary embodiment of present disclosure first In, multiple insulating barriers 110 and 120 and the protective layer 130 with multiple recesses 131 are set on the substrate 100, and organic hair Optical element EL is arranged on protective layer 130.It is this construction can be applied to the first light-emitting zone EA11, the second light-emitting zone EA12 and The whole of the 3rd light-emitting zone EA13.

On the protective layer 130 with multiple recesses 131, reflecting layer 141 can be set, and on reflecting layer 141, can press It is sequentially set with first electrode 140, organic luminous layer 150 and the second electrode 160 of machine light-emitting element E L.In this case, instead The shape for penetrating layer 141, first electrode 140, organic luminous layer 150 and second electrode 160 may correspond to be formed on protective layer 130 Recess 131 shape.

In region corresponding with the inclined surface of recess 131, organic luminous layer 150 can have relatively small thickness.It is specific next Say, organic luminous layer 150 is formed by with linear deposition process, thus is hung down in the inclined surface with recess 131 The thickness of the organic luminous layer 150 on straight direction is smaller than being formed in remaining region in addition to the inclined surface of recess 131 In organic luminous layer 150 thickness.The thickness of the organic luminous layer 150 on the inclined surface of recess 131 is smaller, thus recess Current density on 131 inclined surface is higher than other regions, which thereby enhances the luminous efficiency of organic illuminating element EL.Cause This, organic illuminating element EL is main to light in region corresponding with the inclined surface of recess 131.

Additionally, in region corresponding with the inclined surface of recess 131, inciding the light of the inclined surface of recess 131 Incidence angle focuses primarily upon the cirtical angle of total reflection, can carry out multiple reflections and improve light extraction efficiency.

In detail, a part for the light launched from the organic luminous layer 150 of organic illuminating element EL is in organic light emission unit Launch on the direction of the second electrode 160 of part EL, to be transmitted into outside organic light-emitting display device.A part for its remaining light is having Launch on the direction of the first electrode 140 of machine light-emitting element E L.

Wherein, the refractive index of organic luminous layer 150 is roughly the same with the refractive index of first electrode 140.Therefore, from organic hair The light of the transmitting of photosphere 150 passes through first electrode 140, does not change on the interface between organic luminous layer 150 and first electrode 140 Become light path.

In the light through first electrode 140, touched with the light that the incidence angle less than the cirtical angle of total reflection reaches reflecting layer 141 To reflecting layer 141, light path is changed into the direction of second electrode 160, thus light is transmitted into outside organic light-emitting display device.

Also, the light in reflecting layer 141 is reached in first electrode 140 and reflecting layer with the incidence angle more than the cirtical angle of total reflection Interface between 141 is totally reflected.The light of total reflection is collided at least twice to be had and the recess being formed on protective layer 130 The reflecting layer 141 of 131 same forms, and finally can be changed into the light of the incident angular orientation less than the cirtical angle of total reflection.

Therefore, because being formed in the first light-emitting zone EA11, the second light-emitting zone EA12 and the 3rd light-emitting zone EA13 Recess 131, be not blocked in organic illuminating element EL with the light of the incident angular orientation more than the cirtical angle of total reflection, but quilt Extract outside organic light-emitting display device, which thereby enhance light efficiency.

Specifically, on flat light-emitting area, there are following problems：Great changes will take place for visual angle for optical path length, Thus produce the colour cast for visual angle.However, being filled according to the organic light emitting display of the exemplary embodiment of present disclosure first In putting, each of light-emitting zone EA11, EA12 and EA13 have multiple recesses 131, hence improve organic light emitting display dress The colour cast for visual angle on the side put.Optical path length for visual angle can maintain substantially equal, hence improve and be directed to The colour cast at visual angle and improve organic light-emitting display device lateral brightness intensity.

In other words, in the light through first electrode 140, reflecting layer is reached with the incidence angle less than the cirtical angle of total reflection 141 most of light can be launched in front direction.Also, in the light through first electrode 140, with more than the cirtical angle of total reflection Incidence angle reach reflecting layer 141 most of light can upwards launch in side.

That is, because the visual angle that is made up of multiple recesses 131 improves structure, light also may be interspersed within light-emitting zone EA11, The EA12 and EA13 sides of each upwards, which thereby enhance the light extraction efficiency of side.

Also, being formed in the clearance G 1 between the recess 131 on protective layer 130 and other adjacent recesses 131 can phase each other Together, clearance G 1 has predetermined length.However, the clearance G 1 between recess 131 and other adjacent recesses 131 is not limited in the disclosure The first exemplary embodiment held, it can be formed as shown in Figure 4.

Fig. 4 is the another form of diagram of the clearance G 1 between the recess and other adjacent recesses for illustrating present disclosure.

Reference picture 4, the multiple recesses 131 being formed on protective layer 130 are not separated from one another, and are arranged to connect each other Connect.

That is, the gap between recess 131 and another adjacent recesses 131 can be 0 (zero), and can be according to being formed in The shape of the multiple recesses 131 on protective layer 130, forms reflecting layer 141 and organic illuminating element EL.

The shape of the recess 131 shown in Fig. 2 is not limited to foregoing exemplary embodiment, and it can shape as shown in Figures 5 and 6 Into.

Fig. 5 is light-emitting zone of the diagram according to the organic light-emitting display device of the exemplary embodiment of present disclosure second Plan, Fig. 6 is cuing open for the organic light-emitting display device that C-D is intercepted along the line according to the exemplary embodiment of present disclosure second Face figure.Organic light-emitting display device according to the exemplary embodiment of present disclosure second may include and above-mentioned exemplary embodiment Identical component.Can be omitted or simplified below with above-mentioned exemplary embodiment repetitive description.Additionally, identical component has There is identical reference marker.

In Figure 5, difference is that multiple recesses in the plan of Fig. 2 are formed by multiple convex portions 231.That is, The first light-emitting zone EA21, the second light-emitting zone EA22 in the organic light-emitting display device according to the second exemplary embodiment and In each of 3rd light-emitting zone EA23, multiple convex portions 231 can be adjacent to each other with aturegularaintervals.

Reference picture 6, is described more fully below the exemplary embodiment with multiple convex portions 231.In figure 6, it is formed in guarantor Multiple convex portions 231 on sheath 130 are set with aturegularaintervals.

As a result, it is the reflecting layer 241 being arranged on protective layer 130 and the first electrode 240 of organic illuminating element EL, organic Luminescent layer 250 and second electrode 260 can be again formed as having multiple convex portions according to the shape of protective layer 130.In this way, organic light emission Display device includes having multiple convex in the first light-emitting zone EA21, the second light-emitting zone EA22 and the 3rd light-emitting zone EA23 The protective layer 130 and organic illuminating element EL in portion 231, thus will minimize for the colour cast at visual angle.

Additionally, the shape of convex portion is not limited to foregoing exemplary embodiment, it can be formed as shown in Figure 7.

Fig. 7 is light-emitting zone of the diagram according to the organic light-emitting display device of the exemplary embodiment of present disclosure the 3rd Plan.Organic light-emitting display device according to the exemplary embodiment of present disclosure the 3rd may include and foregoing typical embodiment party Formula identical element.Can be omitted or simplified below with foregoing exemplary embodiment repetitive description.Additionally, identical Component has identical reference marker.

Reference picture 7, the organic light-emitting display device according to the exemplary embodiment of present disclosure the 3rd includes the first sub- picture Plain SP11, the second sub-pixel SP32 and the 3rd sub-pixel SP33.First sub-pixel SP11 includes the first light-emitting zone EA11, second Sub-pixel SP32 includes that the second light-emitting zone EA32, the 3rd sub-pixel SP33 includes the 3rd light-emitting zone EA33.

Also, the vertical length L11 of the first light-emitting zone EA11 can be equal to the vertical length L22 of the second light-emitting zone EA32 With the vertical length L23 of the 3rd light-emitting zone EA33.Additionally, the horizontal length W21 of the first light-emitting zone EA11 is more than the 3rd hair The horizontal length W23 of light region EA33, and the horizontal length W23 of the 3rd light-emitting zone EA33 can be more than the second light-emitting zone The horizontal length W22 of EA32.

Therefore, the light-emitting area of the first light-emitting zone EA11 can be more than the light-emitting area and the of the 3rd light-emitting zone EA33 The light-emitting area of three light-emitting zone EA33 can be more than the light-emitting area of the second light-emitting zone EA32.As a result, it is contemplated that to transmitting not Efficiency and life-span with the organic illuminating element of the light of color, in the first light-emitting zone EA11, the second light-emitting zone EA32 and Organic illuminating element is set in three light-emitting zone EA33.That is, as described above, the area of light-emitting zone can be luminous according to first The order of region EA11, the 3rd light-emitting zone EA33 and the second light-emitting zone EA32 reduces.In this case, according to organic light emission The efficiency of element or life-span, the first light-emitting zone EA11, the 3rd light-emitting zone EA33 and the second light-emitting zone EA32 can be set to Launch blue light, green light and red light, but present disclosure not limited to this respectively.

Therefore, the horizontal length of multiple light-emitting zones is form differently, efficiency or the longevity of organic illuminating element is thus improved Life.

Next, the organic light-emitting display device according to the exemplary embodiment of present disclosure the 4th is described below.

Fig. 8 is light-emitting zone of the diagram according to the organic light-emitting display device of the exemplary embodiment of present disclosure the 4th Plan.Organic light-emitting display device according to the exemplary embodiment of present disclosure the 4th may include and above-mentioned typical embodiment party Formula identical component.Can be omitted or simplified below with foregoing exemplary embodiment repetitive description.Additionally, identical component With identical reference marker.

Reference picture 8, the organic light-emitting display device according to the exemplary embodiment of present disclosure the 4th includes many height pictures Plain SP41 and SP42, and each sub-pixel includes light-emitting zone.In fig. 8, illustrate only can be applied to the organic light emission show Two sub-pixels of showing device, but two sub-pixels shown in Fig. 8 can be applied to have by two or more sub-pixel structures Into pixel all organic light-emitting display devices.

Therefore, the organic light-emitting display device according to the exemplary embodiment of present disclosure the 4th includes the first sub-pixel SP41 and the second pixel SP42, the first sub-pixel SP41 include that the first light-emitting zone EA41, the second pixel SP42 includes the second hair Light region EA42.In this case, the first light-emitting zone EA41 and the second light-emitting zone EA42 can launch the light of different colours.

First light-emitting zone EA41 includes multiple first recesses 131.In this case, in the plane, multiple first recesses 131 can continuously be set with aturegularaintervals in the vertical direction and the horizontal direction.In this case, between adjacent recess 131 Distance corresponds to the S1 in figure.

Additionally, the second light-emitting zone EA42 includes multiple second recesses 331, and multiple second recesses 331 can also hang down Nogata to horizontal direction on aturegularaintervals set embark on journey.

Multiple first recesses 131 and multiple second recesses 331 are set with aturegularaintervals in the vertical direction and the horizontal direction, From there through multiple first recesses 131 and multiple second recesses 331 reduce on the side of organic light-emitting display device for regarding The colour cast at angle.

Also, first recess 131 and the second recess 331 of the organic light-emitting display device according to the 4th exemplary embodiment Arrangement not limited to this, the first recess 131 and the second recess 331 can be set as shown in Figure 9.

Fig. 9 is the plan of the arrangement of the multiple recesses in the light-emitting zone for illustrate organic light-emitting display device.

Reference picture 9, in the plane, multiple recesses 131 for being arranged in the first light-emitting zone EA51 and is arranged on the second hair Multiple recesses 331 in the EA52 of light region can be set with zigzag.In this case, the first light-emitting zone EA51 and second lights Region EA52 can be respectively with Fig. 8 the first light-emitting zone EA41 and the second light-emitting zone EA42 it is roughly the same.

For example, in the first light-emitting zone EA51, the multiple recesses 131 being arranged side by side on the HL1 of first level direction can Set with zigzag with the multiple recesses 131 being arranged side by side on the second horizontal direction HL2.Or, three adjacent recesses 131 The interior angle of triangle that produces when being connected to each other of center can be set to acute angle.In this case, adjacent recess 131 can be with Aturegularaintervals are set and the interval is corresponding to the S2 in figure.

Therefore, compared with Fig. 8, the distance between adjacent recesses 131 of Fig. 9 S2 is smaller than between the adjacent recesses 131 of Fig. 8 Apart from S1.

In this way, multiple first recesses 131 are set with zigzag or are arranged to three centers of adjacent recess 131 each other The interior angle of the triangle produced during connection is acute angle.As a result, the recess 131 on the second horizontal direction HL2 may be provided at the first water Square between the recess 131 on HL1, thus the quantity of recess 131 that sets of per unit area can be more than typical case's implementation of Fig. 8 Mode.The quantity of the recess 131 that per unit area is set increases, and larger improve organic light emission from there through recess 131 shows Light extraction efficiency on the front of showing device.

Also, in figs. 8 and 9, the vertical length L11 of the first light-emitting zone EA41 can be more than the second light-emitting zone EA42's Vertical length L12.Additionally, the horizontal length W31 of the first light-emitting zone EA41 can be substantially equal to the water of the second light-emitting zone EA42 Flat length W32.That is, the light-emitting area of the first light-emitting zone EA41 can be more than the light-emitting area of the second light-emitting zone EA42. Therefore, it is arranged in the sub-pixel with larger light-emitting zone with inefficient organic illuminating element, is which thereby enhanced organic The life-span of light-emitting component.

Additionally, the diameter D1 of first recess 131 of the first light-emitting zone EA41 can be more than the of the second light-emitting zone EA42 The diameter D2 of two recesses 331.

The shape not limited to this of the first light-emitting zone EA41 and the second light-emitting zone EA42 according to present disclosure, it can Formed as shown in Figure 10.

Figure 10 is the flat of another shape of the diagram in the light-emitting zone of the organic light-emitting display device of present disclosure Face figure.

Reference picture 10, the vertical length L11 of the first light-emitting zone EA61 of organic light-emitting display device can be substantially equal to The vertical length L22 of two light-emitting zone EA62, and the horizontal length W41 of the first light-emitting zone EA61 is smaller than the second luminous zone The horizontal length W42 of domain EA62.That is, light-emitting zone can be adjusted by adjusting the horizontal length of light-emitting zone EA61 and EA62 Light-emitting area.Therefore, it is arranged in the sub-pixel with larger light-emitting zone with inefficient organic illuminating element, thus Improve the life-span of organic illuminating element.

This construction is described in detail below with reference to Figure 11.

Figure 11 is the organic light emitting display of the interceptions of E-F along the line of the exemplary embodiment of present disclosure the 4th according to Fig. 8 The profile of a part for the light-emitting zone of device.

Reference picture 11, the organic light-emitting display device according to the exemplary embodiment of present disclosure the 4th includes that first lights Region EA41 and the second light-emitting zone EA42.In the first light-emitting zone EA41 and the second light-emitting zone EA42, the He of protective layer 130 330 are separately positioned on multiple insulating barriers 110 and 120.

In this case, multiple recesses 131 and 331 are respectively formed in protective layer 130 and 330.First is arranged on to light The diameter D1 of the first recess 131 in the EA41 of region can be more than the second recess 331 being arranged in the second light-emitting zone EA42 Diameter D2.Also, the horizontal length W31 of the first light-emitting zone EA41 can be equal to the horizontal length W32 of the second light-emitting zone EA42.

In this way, diameter D1s of the diameter D2 of the second recess 331 less than the first recess 131, and the first light-emitting zone EA41 Horizontal length W31 be substantially equal to the horizontal length W32 of the second light-emitting zone EA42, thus the second recess 331 is in the horizontal direction It is upper more thickly to be set than the first recess 131.

As a result, in the second light-emitting zone EA42, can increase from being arranged on the protective layer with multiple second recesses 331 The light that organic luminous layer 350 on 330 is produced is likely to be encountered the number of times of multiple second recesses 331.Therefore, in the second light-emitting zone In EA42, the colour cast for visual angle can be reduced.

Also, the change of the optical path length of the shape of the recess 131 and 331 based on protective layer 130 and 330 is to reduce For the principal element of the colour cast at visual angle.As the parameter of the shape for determining protective layer, including it is formed in protective layer 130 and 330 On recess 131 and 331 diameter D, height H and the clearance G between recess 131 and 331 and adjacent recess 131 and 331 Deng.

Here, the diameter D1 of the recess 131 and 331 being formed in the first light-emitting zone EA41 and the second light-emitting zone EA42 Be may be formed in the range of 2 μm to 6 μm with D2.It is difficult due to technique when the diameter D1 and D2 of recess 131 and 331 are less than 2 μm To form recess.Additionally, when the diameter D1 and D2 of recess 131 and 331 is more than 6 μm, may by the recess in light-emitting zone Significantly produce the colour cast for visual angle.

Therefore, the diameter D1 and D2 of recess 131 and 331 are 2 μm to 6 μm, thus reduce the colour cast for visual angle.

Additionally, the height H1 of the recess 131 and 331 being formed in the first light-emitting zone EA41 and the second light-emitting zone EA42 Be may be formed in the range of 0.05 μm to 2 μm with H2.When the height H1 and H2 of recess 131 and 331 are less than 0.05 μm, recess H1 and H2 are too low for height, thus the reflecting layer 141 and 341 being arranged on recess 131 and 331 is formed into general planar. Therefore, when the light launched from organic illuminating element 350 encounters reflecting layer 141 and 341, light encounters the surface of general planar, because And effect is identical with the situation for not forming recess 131 and 331 on protective layer 130 and 330 wherein.Additionally, working as the He of recess 131 When 331 height H1 and H2 is more than 2 μm, the colour cast for visual angle may be significantly produced.

Therefore, the height H1 and H2 of recess 131 and 331 are 0.05 μm to 2 μm, thus reduce the colour cast for visual angle.

Additionally, the recess 131 and 331 being formed in the first light-emitting zone EA41 and the second light-emitting zone EA42 and other phases Clearance G 1 and G2 between adjacent recess 131 and 331 for example can be 1 μm to 2 μm.When clearance G 1 and G2 are less than 1 μm, in shape Had difficulties into the technique of recess 131 and 331, when clearance G 1 and G2 are more than 2 μm, may significantly produced for visual angle Colour cast.

Therefore, the clearance G 1 and G2 between the recess 131 and 331 adjacent with other of recess 131 and 331 are 1 μm to 2 μm, Thus reduce depending on the colour cast at visual angle.

Organic light-emitting display device regulation according to the 4th exemplary embodiment is formed in the multiple in each light-emitting zone Gap between the diameter and height and recess 131 and 331 of recess 131 and 331 recess 131 and 331 adjacent with other. Therefore, the colour cast for visual angle of each light-emitting zone of organic light-emitting display device can be reduced.

Also, will be described below during three sub-pixels constitute an organic light-emitting display devices for pixel, using foregoing The example of light-emitting zone.

Figure 12 is light-emitting zone of the diagram according to the organic light-emitting display device of the exemplary embodiment of present disclosure the 5th Plan.Organic light-emitting display device according to the exemplary embodiment of present disclosure the 5th may include to implement with foregoing typical case Mode identical component.Can be omitted or simplified below with foregoing exemplary embodiment repetitive description.Additionally, identical group Part has identical reference marker.

Reference picture 12, according to the organic light-emitting display device of the exemplary embodiment of present disclosure the 5th, a picture Plain P includes the first sub-pixel SP11, the second sub-pixel SP52 and the 3rd sub-pixel SP53.First sub-pixel SP11, the second sub- picture Plain SP52 and the 3rd sub-pixel SP53 include the first light-emitting zone EA11, the second light-emitting zone EA72 and the 3rd light-emitting zone respectively EA73。

First light-emitting zone EA11, the second light-emitting zone EA72 and the 3rd light-emitting zone EA73 include multiple recesses respectively 131 and 331.In this case, the diameter D1 of the recess 131 of the first light-emitting zone EA11 can more than the second light-emitting zone EA72 and The diameter D2 of the recess 331 of the 3rd light-emitting zone EA73.

As a result, the diameter of the recess being made up of multiple recesses 131 and 331 is conditioned, and thus reduces organic light emitting display dress The colour cast for visual angle of each light-emitting zone put.In fig. 12, describe to be provided with the first light-emitting zone EA11 The diameter D1 of recess 131 be more than and be arranged on the straight of recess 331 in the second light-emitting zone EA72 and the 3rd light-emitting zone EA73 The construction of footpath D2, but according to the organic light-emitting display device not limited to this of the exemplary embodiment of present disclosure the 5th.First hair The diameter D1 of the recess 131 of light region EA11 is smaller than the recess 331 of the second light-emitting zone EA72 and the 3rd light-emitting zone EA73 Diameter D2.

Additionally, the diameter D2 of the recess 331 of the second light-emitting zone EA72 and the 3rd light-emitting zone EA73 can be substantially equally Formed, but present disclosure not limited to this, it can be formed as shown in Figure 13.

Figure 13 is the plan for illustrating organic light-emitting display device, and the organic light-emitting display device includes luminous for each Region has multiple recesses of different-diameter.

Reference picture 13, the diameter D1 of the multiple recesses 131 being arranged in the first light-emitting zone EA11 can be more than being arranged on the The diameter D2 of the multiple recesses 331 in two light-emitting zone EA72.The multiple recesses 331 being arranged in the second light-emitting zone EA72 Diameter D2 can be more than the diameter D3 of the multiple recesses 431 being arranged in the 3rd light-emitting zone EA83.

That is, it is arranged in the first light-emitting zone EA11, the second light-emitting zone EA72 and the 3rd light-emitting zone EA83 Diameter D1, D2 and D3 of multiple recesses 131,331 and 431 can be different from each other.

Also, the diameter D1 that Figure 13 illustrates the multiple recesses 131 being provided with the first light-emitting zone EA11 is more than The diameter D2 of the multiple recesses 331 being arranged in the second light-emitting zone EA72 and it is arranged on many in the second light-emitting zone EA72 The diameter D2 of individual recess 331 is more than the construction of the diameter D3 of the multiple recesses 431 being arranged in the 3rd light-emitting zone EA83.So And, the exemplary embodiment not limited to this of present disclosure, be arranged on the first light-emitting zone EA11, the second light-emitting zone EA72 and The diameter of the multiple recesses 131,331 and 431 in the 3rd light-emitting zone EA83 can be different from each other.

Therefore, in each light-emitting zone of organic illuminating element light of the transmitting with different colours, it is contemplated that for regarding Light efficiency on the front of the colour cast at angle and each organic illuminating element, the diameter and arrangement of the multiple recesses of regulation.Cause And, can improve for the light extraction efficiency on the colour cast at visual angle and front.

This structure is described in detail below with reference to Figure 14.

Figure 14 be along G-H interception Figure 13 organic light-emitting display device light-emitting zone profile.

Reference picture 14, in the first light-emitting zone EA11, the second light-emitting zone EA72 and the 3rd light-emitting zone EA83 respectively Including the protective layer 130,330 and 430 comprising multiple recesses 131,331 and 431.

In this case, the recess 131 in the first light-emitting zone EA11 is arranged to predetermined gap G1 and other recesses 131 It is adjacent.Recess 331 in second light-emitting zone EA72 is arranged to adjacent with other recesses 331 with predetermined gap G2.Additionally, the 3rd Recess 431 in light-emitting zone EA83 is arranged to adjacent with other recesses 431 with predetermined gap G3.

In this case, the diameter D1 of the recess 131 in the first light-emitting zone EA11 can be more than being arranged on the second luminous zone The diameter D2 of the recess 331 in the EA72 of domain.The diameter D2 of the recess 331 in the second light-emitting zone EA72 can be more than the 3rd luminous zone The diameter D3 of the recess 431 in the EA83 of domain.

Additionally, can be according to the shape of the recess 131,331 and 431 being arranged in each light-emitting zone EA11, EA72 and EA83 Shape forms the shape of the organic illuminating element EL being arranged in each light-emitting zone EA11, EA72 and EA83.

In this way, being formed in the first light-emitting zone EA11, the second light-emitting zone EA72 and the 3rd light-emitting zone EA83 multiple Recess 131,331 and 431, hence improves the colour cast for visual angle.Additionally, in each light-emitting zone EA11, EA72 and EA83 Include have different-diameter multiple recesses 131,331 and 431, thus change each light-emitting zone EA11, EA72 and Light extraction efficiency characteristic on the front of EA83.

Next, the hair of the organic light-emitting display device according to the exemplary embodiment of present disclosure the 6th is described below Light region.

Figure 15 is light-emitting zone of the diagram according to the organic light-emitting display device of the exemplary embodiment of present disclosure the 6th Plan.Organic light-emitting display device according to the exemplary embodiment of present disclosure the 6th may include to implement with foregoing typical case Mode identical component.Can be omitted or simplified below with foregoing exemplary embodiment repetitive description.Additionally, identical group Part has identical reference marker.

Reference picture 15, the light-emitting zone of the organic light-emitting display device according to the exemplary embodiment of present disclosure the 6th can It is divided into the first light-emitting zone EA11, the second light-emitting zone EA82 and the 3rd light-emitting zone EA13.In this case, first light Region EA11, the second light-emitting zone EA82 and the 3rd light-emitting zone EA13 can launch the light of different colours.

Additionally, the first light-emitting zone EA11 and the 3rd light-emitting zone EA13 may include multiple recesses 131, the second light-emitting zone EA82 may not include recess.

This construction is described in detail below with reference to Figure 16.

Figure 16 is the organic light-emitting display device intercepted according to I-J along the exemplary embodiment of present disclosure the 6th The profile of light-emitting zone.

Reference picture 16, in the organic light-emitting display device according to the exemplary embodiment of present disclosure the 6th first lights In region EA11 and the 3rd light-emitting zone EA13, multiple recesses 131 are formed on protective layer 130, in the second light-emitting zone EA82 In, protective layer 530 can be formed flatly.The reflecting layer 541 therefore, being arranged on protective layer 530 and organic illuminating element 540, 550 and 560 can also be formed flatly.

In this way, the first light-emitting zone EA11 and the 3rd light-emitting zone EA13 includes multiple recesses 131, and the second luminous zone Domain EA82 is formed flatly, and thus improves the light efficiency on the front of organic light-emitting display device.

In detail, in there is the light-emitting zone of relatively low light efficiency on the front of organic light-emitting display device, flatly Protective layer is formed, the light efficiency on front is thus improved.In needing to improve the light-emitting zone for the colour cast at visual angle, in protection Multiple recesses are formed in layer, thus improves the colour cast for visual angle.

In this way, according to the organic light-emitting display device of the 6th exemplary embodiment, in the picture including multiple sub-pixels In element, multiple sub-pixels at least one of do not form visual angle on the protective layer that sets in sub-pixel and improve structure, thus Improve the light efficiency on the front of organic light-emitting display device.In this case, in the 6th exemplary embodiment, describe recessed Portion improves the example of structure as visual angle, but is not limited to this.

Next, the organic light-emitting display device according to the exemplary embodiment of present disclosure the 7th is described below.

Figure 17 is light-emitting zone of the diagram according to the organic light-emitting display device of the exemplary embodiment of present disclosure the 7th Plan.Organic light-emitting display device according to the exemplary embodiment of present disclosure the 7th may include to implement with foregoing typical case Mode identical component.Can be omitted or simplified below with foregoing exemplary embodiment repetitive description.Additionally, identical group Part has identical reference marker.

Reference picture 17, the organic light-emitting display device according to the exemplary embodiment of present disclosure the 7th includes that first lights Region EA11, the second light-emitting zone EA82 and the 3rd light-emitting zone EA23.In this case, the first light-emitting zone EA11 may include Multiple recesses 131, but the second light-emitting zone EA82 may not include recess 131.Additionally, the 3rd light-emitting zone EA23 may include multiple Convex portion 231.This construction is described in detail below with reference to Figure 18.

Figure 18 is the organic light-emitting display device intercepted according to K-L along the exemplary embodiment of present disclosure the 7th Profile.

Reference picture 18, the first luminous zone of the organic light-emitting display device according to the exemplary embodiment of present disclosure the 7th Domain EA11 includes the multiple recesses 131 being formed on protective layer 130, and the second light-emitting zone EA82 includes the protection being formed flatly Layer 530.Also, the 3rd light-emitting zone EA23 may include multiple convex portions 231.

In this way, the first light-emitting zone EA11 includes multiple recesses 131, the 3rd light-emitting zone EA23 includes multiple convex portions 231, And the second light-emitting zone EA82 is formed flatly, the light efficiency on the front of organic light-emitting display device is thus improved.

In detail, in there is the light-emitting zone of relatively low light efficiency on the front of organic light-emitting display device, flatly Protective layer is formed, the light efficiency on front is thus improved.In needing to improve the light-emitting zone for the colour cast at visual angle, in protection Multiple recesses or multiple convex portions are formed in layer, thus improves the colour cast for visual angle.

In this way, according to the organic light-emitting display device of the 7th exemplary embodiment, in the picture including multiple sub-pixels In element, multiple sub-pixels at least one of do not include that visual angle improves structure on the protective layer that sets in sub-pixel, thus Improve the light efficiency on the front of organic light-emitting display device.Additionally, in the 7th exemplary embodiment, described above is multiple Recess 131 and multiple convex portions 231 improve the example of structure as visual angle, but are not limited to this.

In the exemplary embodiment of present disclosure, in each light-emitting zone, form multiple recessed on the protection layer Portion or multiple convex portions, or protective layer are formed flatly.That is, application combinedly wherein sets multiple recessed on the protection layer Portion or the construction of multiple convex portions.For example, present disclosure can be realized as shown in Figure 19 and 20.

Figure 19 is diagram according to the exemplary embodiment extended out based on the exemplary embodiment of present disclosure the 7th The plan of the light-emitting zone of organic light-emitting display device.Figure 20 is the profile intercepted along the line M-N of the plan of Figure 19.

Reference picture 19 and 20, the first light-emitting zone EA21 includes multiple convex portions 231, and the 3rd light-emitting zone EA13 includes multiple Recess 131.Additionally, the protective layer 530 being arranged in the second light-emitting zone EA82 and organic illuminating element 540,550 and 560 Can be formed flatly.As a result, can be directed to each light-emitting zone regulation organic light-emitting display device front on light efficiency and For the colour cast at visual angle.

As described above, in the organic light-emitting display device according to present disclosure, light-emitting zone include multiple recesses or Convex portion, or only include multiple recesses or convex portion in a part for light-emitting zone, organic light emitting display dress is thus improved simultaneously The light efficiency on front put and the colour cast for visual angle.

Above, describe to be wrapped in the size and dimension and light-emitting zone of the light-emitting zone that each sub-pixel includes Recess or the size of convex portion, height, gap for including etc..Hereinafter, will be described in the luminous zone for defining each sub-pixel Recess or convex portion that the dike layer and light-emitting zone in domain include.

Figure 21 is light-emitting zone of the diagram according to the organic light-emitting display device of the exemplary embodiment of present disclosure the 8th Plan.

Reference picture 21, the organic light-emitting display device according to the exemplary embodiment of present disclosure the 8th include each Sub-pixel SP is formed with dike layer 736 and in light-emitting zone with aturegularaintervals multiple recesses 731 separated from one another, dike layer 736 include the opening 736b for defining light-emitting zone.Opening 736b in the plane can have predetermined shape, such as quadrangle, But it is not limited to this.Multiple recesses 731 may be provided in the light-emitting zone defined by opening 736b.

The sub-pixel that each sub-pixel SP including recess 731 can be equal to or substantially identical to reference picture 2 to 20 is described.

Hereinafter, will describe to be made up of the example of visual angle improvement structure recess and be made up of visual angle convex portion to improve structure Other examples.

Figure 22 and 23 is the organic light emitting display dress intercepted according to O-P along the exemplary embodiment of present disclosure the 8th The profile of the light-emitting zone put.

Reference picture 22, it is every what is included according to the organic light-emitting display device of the exemplary embodiment of present disclosure the 8th In individual sub-pixel, insulating barrier 710 and the protective layer 730 with multiple recesses 731 are arranged on substrate 700, and organic light emission Element EL is arranged on protective layer 730.

In detail, protective layer 730 includes being changed by the visual angle constituted with aturegularaintervals multiple recesses 731 separated from one another Kind structure.

First electrode 740, the and of organic luminous layer 750 of organic illuminating element EL can be sequentially arranged on protective layer 730 Second electrode 760.In this case, the shape of first electrode 740, organic luminous layer 750 and second electrode 760 may correspond to shape Into the shape of the recess 731 on protective layer 730.

As described above, according to the organic light-emitting display device of the exemplary embodiment of present disclosure the 8th, at each Multiple recesses 731 are set in the light-emitting zone of sub-pixel SP, the colour cast on the side of organic light-emitting display device is thereby compensated for.

Each sub-pixel SP that organic light-emitting display device according to the exemplary embodiment of present disclosure the 8th includes It is arranged in protective layer 730 and first electrode 740 and dike layer 736 can be further included, dike layer 736 includes exposure first electrode 740 beveled 736b.The second electrode 760 being arranged on dike layer 736 has and dike 736 identical shape of layer.In the feelings In shape, reflected on the beveled 736b of dike layer 736 from the light of the transmitting of organic luminous layer 750, be specifically arranged at Reflected in second electrode 760 on the opening 736b of dike layer 736, to be extracted to the front of organic light-emitting display device.

Stated differently, since with aturegularaintervals multiple recesses 730 separated from one another, on each sub-pixel SP compensation side Colour cast, and from organic luminous layer 750 transmitting light be arranged at dike layer 736 beveled 736b on second electrode Reflected on 760, to be collected in light-emitting zone, thus improve the light efficiency on the front of organic light-emitting display device.

Reference picture 22, due to aturegularaintervals multiple recesses 731 separated from one another, according to the typical case of present disclosure the 8th Colour cast on each sub-pixel SP that the organic light-emitting display device of implementation method includes compensation side, and from organic light emission The light of the transmitting of layer 750 reflects on the beveled 736b of dike layer 736, to be collected in light-emitting zone, thus improves organic Light efficiency on the front of luminous display unit.In this case, instead of the recess 731 shown in Figure 22, as shown in Figure 23, Each sub-pixel SP includes the opening with aturegularaintervals multiple convex portions 831, dike layer 736 separated from one another and dike layer 736, by This compensates the colour cast on side and improves the light efficiency on the front of organic light-emitting display device.

As shown in figs. 22 and 23, the slope of the beveled 736b of dike layer 736 is constant, in this case, is open The slope of 736b can be 40 ° or higher.In other words, the angle of inclination of the opening 736b of dike layer 736 can be 40 ° or more It is high.When the angle of inclination of opening 736b is less than 40 °, the light from the transmitting of organic luminous layer 750 is being arranged at the inclination of dike layer 736 Reflected in second electrode 760 on the 736b of opening, and be not collected in light-emitting zone, and non-light-emitting area may be launched into Domain, thus deteriorates the light efficiency on front.

Figure 24 and 25 is organic hair of the interceptions of O-P along the line extended out based on the exemplary embodiment of present disclosure the 8th The profile of the light-emitting zone of electro-optical display device.

As shown in figs. 24 and 25, the beveled 736b of dike layer 736 can have concave.In other words, when dike layer When the slope of 736 opening 736b is less than 40 °, concave surface ground forms opening 736b, thus increases the light efficiency collected to light-emitting zone Rate.

Reference picture 21, it is every what is included according to the organic light-emitting display device of the exemplary embodiment of present disclosure the 8th In individual sub-pixel SP, opening 736b can have predetermined shape, such as quadrangle, and multiple recesses 731 to be arranged in the plane In the light-emitting zone defined by opening 736b.However, its split shed is described below is divided into two or more openings Exemplary embodiment.

Figure 26 is light-emitting zone of the diagram according to the organic light-emitting display device of the exemplary embodiment of present disclosure the 9th Plan.

Reference picture 26, the organic light-emitting display device according to the exemplary embodiment of present disclosure the 9th include each Sub-pixel SP is formed with dike layer 936 and in light-emitting zone with aturegularaintervals multiple recesses 931 separated from one another, dike layer 936 include the opening 936b for defining light-emitting zone.

Opening 936b is divided into two or more openings, can be set between the 936b of two or more openings and separated Wall 937, and two or more recesses 931 can be set in an opening 936ba or 936bb.

For example, as shown in Figure 26, opening 936b can be divided into the openings of the first opening 936ba and second 936bb.First The openings of opening 936ba and second 936bb can have a predetermined shape in the plane, such as circular, oval or polygon, and Be can be set between first opening 936ba and the second opening 936bb has partition wall 937.In the first opening 936ba and the second opening In 936bb, two or more recesses, such as four recesses 931 can be respectively provided with.

First opening 936ba and second opening 936bb can be of similar shape and area, and be disposed therein it is recessed The quantity in portion is mutually the same.However, the first opening 936ba and the second opening 936bb can have different shape and area, and The quantity of the recess being disposed therein can be different from each other.

Including that can be equal to or substantially equivalent with each sub-pixel SP of aturegularaintervals multiple recesses 931 separated from one another In the sub-pixel of the description of reference picture 2 to 20.

Figure 27 and 28 is the organic light emitting display dress intercepted according to Q-R along the exemplary embodiment of present disclosure the 9th The profile of the light-emitting zone put.

Reference picture 27, it is every what is included according to the organic light-emitting display device of the exemplary embodiment of present disclosure the 9th In individual sub-pixel SP, insulating barrier 910 and the protective layer 930 with multiple recesses 931 are arranged on substrate 900, and organic hair Optical element EL is arranged on protective layer 930.In this case, multiple recesses 931 can be separated from one another with aturegularaintervals.

First electrode 940, the and of organic luminous layer 950 of organic illuminating element EL can be sequentially arranged on protective layer 930 Second electrode 960.In this case, the shape of first electrode 940, organic luminous layer 950 and second electrode 960 may correspond to shape Into the shape of the recess 931 on protective layer 930.

Each sub-pixel SP that organic light-emitting display device according to the exemplary embodiment of present disclosure the 9th includes It is arranged in protective layer 930 and first electrode 940 and dike layer 936 can be further included, dike layer 936 includes exposure first electrode 940 beveled 936b.

As shown in Figure 27, opening 936b can be divided into the openings of the first opening 936ba and second 936bb.First opening The openings of 936ba and second 936bb can have predetermined shape, such as circular, ellipse or polygon in the plane, and first Be can be set between the 936bb of the openings of opening 936ba and second has partition wall 937.

Partition wall 937 include with dike 936 identical material of layer and can by with dike layer 936 identical techniques and dike layer 936 form simultaneously.

The second electrode 960 being arranged on dike layer 936 has and dike layer 936 and the identical shape of partition wall 937.In the feelings In shape, reflected on the beveled 936b and partition wall 937 of dike layer 936 from the light of the transmitting of organic luminous layer 950, specifically It is to be reflected in the second electrode 960 being arranged on the opening 936b and partition wall 937 of dike layer 936, to be collected in luminous zone In domain.

Reference picture 28, instead of the recess 931 shown in Figure 27, each sub-pixel SP may include multiple convex portions 1031, dike layer 936 opening 936b and partition wall 937.

As described above, forming two or more opening 936b of dike layer 936 and being sent out by recess 931 or convex portion 1031 The light penetrated reflects on partition wall, thus improves the light efficiency on the front of organic light-emitting display device.

As shown in figs. 27 and 28, the slope of the beveled 936b of dike layer 936 is constant, and the slope of the 936b that is open can Being 40 ° or higher.Additionally, opening 936b and partition wall 937 can have the concave shown in Figure 24 and 25.Opening 936b The light efficiency on the front of organic light-emitting display device can be improved with the concave of partition wall 937.

Figure 29 is light-emitting zone of the diagram according to the organic light-emitting display device of the exemplary embodiment of present disclosure the tenth Plan.

Reference picture 29, the organic light-emitting display device according to the exemplary embodiment of present disclosure the tenth include each Sub-pixel SP is formed with dike layer 1136 and the lenticule being made up of the multiple recesses 1131 being arranged in light-emitting zone, dike layer 1136 include the opening 1136b for defining light-emitting zone.

Opening 1136b is divided into two or more openings, and be can be set between the 1136b of two or more openings has Partition wall 1137, and a recess 1131 can be set in an opening 1136b.Each opening 1136b can have in the plane There is predetermined shape, such as circular, oval or polygon, and be can be set between the 1136b of opening and have partition wall 1137.

Opening 1136b can be of similar shape and area, and the recess being disposed therein size or quantity each other It is identical, but opening 1136b can have different shape and area, and the size or quantity of the recess being disposed therein can be each other It is different.

The sub- picture that each sub-pixel SP including recess 1131 can be equal to or substantially identical to reference picture 2 to 20 is described Element.

Figure 30 and 31 is the organic light emitting display dress intercepted according to S-W along the exemplary embodiment of present disclosure the tenth The profile of the light-emitting zone put.

Reference picture 30, it is every what is included according to the organic light-emitting display device of the exemplary embodiment of present disclosure the tenth In individual sub-pixel SP, insulating barrier 1110 and the protective layer 1130 with multiple recesses 1131 are arranged on substrate 1100, and are had Machine light-emitting element E L is arranged on protective layer 1130.

Particularly, the first electrode 1140, You Jifa of organic illuminating element EL can be sequentially arranged on protective layer 1130 Photosphere 1150 and second electrode 1160.In this case, first electrode 1140, organic luminous layer 1150 and second electrode 1160 Shape may correspond to the shape of the recess 1131 being formed on protective layer 1130.

Each sub-pixel SP that organic light-emitting display device according to the exemplary embodiment of present disclosure the tenth includes It is arranged in protective layer 1130 and first electrode 1140 and dike layer 1136 can be further included, dike layer 1136 includes exposure first The beveled 1136b of electrode 1140.Each opening 1136b can have predetermined shape, such as circular, ellipse or polygon, And be can be set between the 1136b of opening has partition wall 1137.

Partition wall 1137 include with dike 1136 identical material of layer and can by with dike layer 1136 identical technique and dike Layer 1136 is formed simultaneously.

The second electrode 1160 being arranged on dike layer 1136 has and dike layer 1136 and the identical shape of partition wall 1137. In the situation, reflected on the beveled 1136b and partition wall 1137 of dike layer 1136 from the light of the transmitting of organic luminous layer 1150, Specifically reflected in the second electrode 1160 being arranged on the opening 1136b and partition wall 1137 of dike layer 1136, with quilt Collect in light-emitting zone.

Instead of the recess 1131 shown in Figure 30, as shown in Figure 31, each sub-pixel SP includes convex portion 1231, dike layer 1136 opening 1136b and partition wall 1137, thus improves on the front of the colour cast and organic light-emitting display device on side Light efficiency.

As shown in Figure 30 and 31, the beveled 1136b of dike layer 1136 can have concave.Or, in dike layer In 1136 beveled 1136b, as shown in figs. 27 and 28, the slope of the opening 1136b of dike layer 1136 is constant, opening The slope of 1136b can be 40 ° or higher.

As described above, in the organic light-emitting display device according to present disclosure, light-emitting zone include multiple recesses or Convex portion, the light of transmitting reflects in the beveled of dike layer, to be collected in light-emitting zone, thus improves on front simultaneously Colour cast in light efficiency and side.

Figure 32 is a picture of the diagram according to the organic light-emitting display device of the exemplary embodiment of present disclosure the 11st The plan of element.

Reference picture 32, according to the organic light-emitting display device of the exemplary embodiment of present disclosure the 11st, one Pixel P includes the first sub-pixel SP91, the second sub-pixel SP92 and the 3rd sub-pixel SP93.First sub-pixel SP91, the second son Pixel SP92 and the 3rd sub-pixel SP93 include the first light-emitting zone EA91, the second light-emitting zone EA92 and the 3rd luminous zone respectively Domain EA93.

First light-emitting zone EA91, the second light-emitting zone EA92 and the 3rd light-emitting zone EA93 include multiple recesses respectively 131, or even multiple recesses 131 are also formed around light-emitting zone.

In protective layer, in order to form recess 131, the mask with hole corresponding with the position of recess 131 can be prepared. In technique using the mask exposure protective layer with hole, compared with the recess 131 inside light-emitting zone to be formed in, due to light Diffraction, to be formed in recess 131 around light-emitting zone by exposure considerable influence.May be formed in light-emitting zone Dimensional discrepancy between recess 131.As a result, it may occur however that the deviation of the colour cast at visual angle is directed in a sub-pixel.

In order to solve the problem, as shown in Figure 32, recess 131 is formed to light-emitting zone EA91, EA92 and EA93 always Periphery, thus reduce and be formed in size difference between the recess 131 in light-emitting zone and the reduction pin in a sub-pixel To the deviation of the colour cast at visual angle.In this case, recess 131 is formed on the protection layer, and in addition to recess, is had by being formed The protective layer for having the non-flat shape including convex portion can obtain foregoing advantages.

That is, the non-flat shape for being formed on the protection layer is formed at the opening and the region with dike layer of dike layer In, thus suppression is arranged on the deviation of the non-flat shape in light-emitting zone and reduces the colour cast for being directed to visual angle.

Figure 33 is diagram according to the exemplary embodiment extended out based on the exemplary embodiment of present disclosure the 11st Organic light-emitting display device a plan for pixel.

Reference picture 33, the recess 131 formed in Figure 32 is formed as extending to a whole surface for pixel.In the situation In, mask on the whole surface with hole or the covering with hole in region corresponding with least one pixel can be used Mould.

Identical with Figure 32, recess 131 forms the periphery to light-emitting zone EA91, EA92 and EA93 always, thus reduces shape Into the dimensional discrepancy between the recess 131 in light-emitting zone and reduce in a sub-pixel for visual angle colour cast it is inclined Difference.In this case, recess 131 is formed on the protection layer, and in addition to recess, the non-flat of convex portion is included by being formed to have The protective layer of smooth shape can obtain foregoing advantages.

That is, the non-flat shape for being formed on the protection layer is formed at the opening and the region with dike layer of dike layer In, thus suppression is arranged on the deviation of the non-flat shape in light-emitting zone and reduces the colour cast for being directed to visual angle.

Figure 34 is the profile intercepted along the line T-U of the plan of Figure 33.

Reference picture 34, what is included according to the organic light-emitting display device of the exemplary embodiment of present disclosure the 11st In each sub-pixel SP, insulating barrier 1210 and the protective layer 1230 with multiple recesses 131 are arranged on substrate 1200, and are had Machine light-emitting element E L is arranged on protective layer 1230.

Particularly, on protective layer 1230, the first electrode 1240, You Jifa of organic illuminating element EL can be sequentially arranged Photosphere 1250 and second electrode 1260.In this case, first electrode 1240, organic luminous layer 1250 and second electrode 1260 Shape may correspond to the shape of the recess 131 being formed on protective layer 1230.

Additionally, the dike layer 1236 with opening 1236b corresponding with light-emitting zone is formed in first electrode 1240, and Even recess 131 is also formed below dike layer 1236.Therefore, the chi between the recess 131 being formed in light-emitting zone can be reduced Very little deviation and reduce in a sub-pixel for visual angle colour cast deviation.

Figure 35 A to 35D be the right direction of the center according to organic light-emitting display device as a comparison case, upper direction, The diagram of the color coordinates of the visual angle diagram white light in left direction and lower direction.Figure 36 A to 36D are according to having as embodiment The color of the visual angle diagram white light in the right direction of the center of machine luminous display unit, upper direction, left direction and lower direction is sat Target diagram, and Figure 36 A to 36D are the measurement results of the organic light-emitting display device according to Fig. 2.In this case, can divide Not with 0 °, 90 °, 180 °, and 270 ° of azimuth represent the right direction of organic light-emitting display device, upper direction, left direction and under Direction.Color coordinates changes delta u ' v ' represent from front watch organic light-emitting display device when in 0 ° of color coordinates be in Difference between 60 ° of color coordinates, color coordinates u ' v ' represent 1976 systems defined by International Commission on Illumination (CIE) 15.2 One color table (UCS) coordinate.Additionally, turn to 0.030 or more hour when color coordinates becomes, can minimize that user experiences depends on In visual angle colour cast and the organic light-emitting display device with apparent image can be provided.

The visual angle measured in Figure 35 A to 35D is 0 ° to 60 °, and visual angle is divided and is expressed as 0 ° to 25 °, 30 ° to 40 ° Multigroup with 45 ° to 60 °, each group is at intervals of 5 °.The visual angle of starting point X is 0 °.

Based on the oval region 8 for representing, region 12, region 15 and the area that are shown in Figure 35 A to 35D and Figure 36 A to 36D The line of demarcation in domain 18 represents the color coordinates of the organic light-emitting display device according to comparative example and embodiment.Herein, the region The minimum difference threshold value between two colors that the Perception Features by considering user can be recognized by the user is referred to, and it is described The available difference (JND) that just could be noted in region is represented.As region reduces, the colour cast depending on visual angle also reduces.

Additionally, the white light that organic light-emitting display device sends can be emitted as the light of micro, slight blueness, such as nattier blue light So that the glasses of user experience clear and clean white.The color coordinates of nattier blue white light can be located in diagram The region offset around starting point and in the lower left side of starting point, the region is special area (spec), and presents spy Color coordinates based on front and visual angle in different region.When the special area is located in region 12, can provide apparent Picture quality.Additionally, the special area shown in Figure 35 A to 36D is not intended to limit the main idea of present disclosure and can be according to consumption Person's demand is changed.

The diagram of Figure 35 A to 35D is that the organic light emitting display by measuring protective layer of the application without recess or convex portion is filled The result that the color coordinates put is obtained.

Referring to Figure 35 A, when being watched from the center of organic light-emitting display device front, Figure 35 A are by measuring right direction The diagram that the color coordinates of upper (0 ° of azimuth) white light is obtained.With visual angle from 0 ° of 60 ° of direction, color coordinates is away from starting point And the color coordinates on front and visual angle is distributed in region 16.In this case, color coordinates changes delta u ' v ' 0R are of about 0.033。

Referring to Figure 35 B, when being watched from the center of organic light-emitting display device front, Figure 35 B are by the upper direction of measurement The diagram that the color coordinates of upper (90 ° of azimuths) white light is obtained.Color coordinates on front and visual angle is distributed in region 12 Special area in.In this case, color coordinates changes delta u ' v ' 90R are of about 0.021.

Referring to Figure 35 C, when being watched from the center of organic light-emitting display device front, Figure 35 C are by measuring left direction The diagram that the color coordinates of upper (180 ° of azimuths) white light is obtained.Color coordinates on front and visual angle is distributed in region 15 Special boundary line in.In this case, color coordinates changes delta u ' v ' 180R are of about 0.031.

Referring to Figure 35 D, when being watched from the center of organic light-emitting display device front, Figure 35 D are by the lower direction of measurement The diagram that the color coordinates of upper (270 ° of azimuths) white light is obtained.Color coordinates on front and visual angle is distributed in region 14 Special area in.In this case, color coordinates changes delta u ' v ' 270R are of about 0.019.

The diagram of Figure 36 A to 36D is the organic light emission by measuring the structure of the first exemplary embodiment in application drawing 2 The result that the color coordinates of display device is obtained.

Referring to Figure 36 A, when being watched from the center of organic light-emitting display device front, Figure 36 A are by measuring right direction The diagram that the color coordinates of upper (0 ° of azimuth) white light is obtained.Color coordinates on front and visual angle is distributed in region 9. In the situation, color coordinates changes delta u ' v ' 0E are of about 0.015.Additionally, compared with the comparative example of Figure 35 A, embodiment is located at In region 9, therefore color coordinates change can be reduced and reduced depending on the colour cast at visual angle.

Referring to Figure 36 B, when being watched from the center of organic light-emitting display device front, Figure 36 B are by the upper direction of measurement The diagram that the color coordinates of upper (90 ° of azimuths) white light is obtained.Color coordinates on front and visual angle is distributed in region 11. In this case, color coordinates changes delta u ' v ' 90E are of about 0.009.Additionally, compared with the comparative example of Figure 35 B, embodiment position In region 11, therefore color coordinates change can be reduced and reduced depending on the colour cast at visual angle.

Referring to Figure 36 C, when being watched from the center of organic light-emitting display device front, Figure 36 C are by measuring left direction The diagram that the color coordinates of upper (180 ° of azimuths) white light is obtained.Color coordinates on front and visual angle is distributed in region 10 In.In this case, color coordinates changes delta u ' v ' 180E are of about 0.015.Additionally, compared with the comparative example of Figure 35 C, implementing Example is located in region 10, therefore can be reduced color coordinates change and be reduced depending on the colour cast at visual angle.

Referring to Figure 36 D, when being watched from the center of organic light-emitting display device front, Figure 36 D are by the lower direction of measurement The diagram that the color coordinates of upper (270 ° of azimuths) white light is obtained.Color coordinates on front and visual angle is distributed in region 8. In this case, color coordinates changes delta u ' v ' 270E are of about 0.004.Additionally, compared with the comparative example of Figure 35 D, embodiment In region 8, therefore color coordinates change can be reduced and reduced depending on the colour cast at visual angle.

When the color coordinates distribution of comparative example and embodiment is compared according to visual angle and color coordinates change, with comparative example phase Than in embodiment, it can be verified that the distribution of color coordinates is located in the region of starting point and reduces color coordinates change Change.It is, the white light sent including the organic light-emitting display device in the embodiment with recess or the protective layer of convex portion Face of the color coordinates change less than the white light that the organic light-emitting display device included in the comparative example of flat protection layer sends The maximum of chromaticity coordinates change.Additionally, in the organic light-emitting display device of comparative example, the color coordinates based on visual angle can be located at In region 12.Therefore, when embodiment is applied, the colour cast depending on visual angle can be reduced and organic illuminating element can be improved Efficiency.

It is similar with Figure 32 and 33, even if when multiple recesses or convex portion are formed in around even light-emitting zone, it is possibility to have Almost identical effect.As described above, multiple recesses or convex portion are formed around light-emitting zone is incited somebody to action to pass through minimum The multiple recesses or the size of convex portion being formed in around light-emitting zone inside and light-emitting zone generate difference to reduce one The deviation of the colour cast at visual angle is depended in sub-pixel.Therefore, the partly or completely pixel region around light-emitting zone is formed The organic light-emitting display device for having multiple recesses or convex portion can have and multiple recesses or convex are only formed with light-emitting zone The almost identical effect of the organic light-emitting display device in portion.

The exemplary embodiment of present disclosure can also be described below：

According to the one side of present disclosure, there is provided a kind of substrate for organic light-emitting display device, including：Protect Sheath, first electrode and dike layer.The protective layer has non-flat shape.The first electrode be located at the protective layer on and With the non-flat shape.The dike layer is located in the protective layer and the first electrode and including described for exposing The opening of first electrode.The protective layer is located at the opening of dike layer and the part in the region with dike layer In.The non-flat shape for being formed on the protection layer reduces the deviation of the optical path length for visual angle, by for the color at visual angle Minimize partially.Therefore, the life-span of organic light-emitting display device can be improved.

The protective layer may include multiple recesses or multiple convex portions, and the recess or the convex portion can be set to between rule Separated every with adjacent recess or convex portion.

The multiple recess or the multiple convex portion may include the first recess and the second recess or the first convex portion and second Convex portion, and between first recess and second recess or between first convex portion and second convex portion Threeth recess or threeth convex portion adjacent with second recess or second convex portion can be further set, to form zigzag Array.

The multiple recess or the multiple convex portion may be provided in the broader region in the opening than dike layer.

The multiple recess or the multiple convex portion may be provided in the whole surface of the protective layer.

The slope of the opening of the dike layer can be 40 ° or higher, or the opening can have curved shape.

The substrate can be further included：The light-emitting zone of the opening including dike layer, wherein the luminous zone Domain may include the first light-emitting zone, the second light-emitting zone and the 3rd light-emitting zone, and first light-emitting zone is vertically long Degree can be more than the vertical length of second light-emitting zone and the vertical length of the 3rd light-emitting zone.

The vertical length of second light-emitting zone and the 3rd light-emitting zone can be different from each other.

The substrate can be further included：The light-emitting zone of the opening including dike layer, wherein the luminous zone Domain include the first light-emitting zone, the second light-emitting zone and the 3rd light-emitting zone, and first light-emitting zone horizontal length It is smaller than the horizontal length of second light-emitting zone and the horizontal length of the 3rd light-emitting zone.

The horizontal length of second light-emitting zone and the 3rd light-emitting zone can be different from each other.

According to the other side of present disclosure, there is provided a kind of organic light-emitting display device, including：Dike layer, protection Layer and organic luminous layer.The protective layer has visual angle improvement structure.The organic light-emitting display device include multiple pixels with And constitute the sub-pixel of the pixel.The dike layer exposes the light-emitting zone of the sub-pixel and including beveled.It is described Organic luminous layer is arranged on the protective layer, and the organic luminous layer follows the form of the visual angle improvement structure.Shape Improve the deviation that structure reduces the optical path length for visual angle into visual angle on the protection layer, by the colour cast for being directed to visual angle most Smallization.Therefore, the life-span of organic light-emitting display device can be improved.

The organic light-emitting display device may include two or more sub-pixels.Described two or more sub-pixels it At least one of the protective layer in sub-pixel and the organic luminous layer do not include that the visual angle improves structure.

The visual angle improves structure may include recess or convex portion.

The diameter of the recess or the convex portion can be 2 μm to 6 μm.

The height of the recess or the convex portion can be 0.05 μm to 2 μm.

The recess or the convex portion include multiple recesses or multiple convex portions, and gap and convex portion between recess it Between each of gap can be 1 μm to 2 μm.

The recess or the convex portion may include multiple recesses or multiple convex portions, and the recess or the convex portion can set It is set to so that all interior angles of triangle that the center of three adjacent recesses or convex portion is formed when being connected to each other turn into acute angle.

The sub-pixel includes two or more sub-pixels.A sub-pixel in described two or more sub-pixels The protective layer include the recess, the protective layer of other sub-pixels includes the convex portion.

The slope of the opening of the dike layer can be 40 ° or higher, or the opening can have curved shape.

The dike layer may include to expose two or more openings of the light-emitting zone.

The component of foregoing exemplary embodiment and the effect of component can be applied to the substrate of organic light-emitting display device and have Machine luminous display unit.

Feature, structure, effect described in foregoing exemplary embodiment etc. are included at least one allusion quotation of present disclosure In type implementation method, an exemplary embodiment is not only limitted to especially.Additionally, the technology people of exemplary embodiment art Member can be combined or change feature, structure, effect of illustration in each exemplary embodiment etc., so as to even for other allusion quotations Type implementation method is realized.Therefore, should be construed to combine and change relevant content be included in scope of the present disclosure It is interior.

In superincumbent description, present disclosure, but these exemplary embodiments are described based on exemplary embodiment It is illustrative, is not intended to limit present disclosure, it will be understood by the skilled person that without departing substantially from this typical embodiment party In the case of the scope of the essential characteristics of formula, not illustrated various modifications and application in superincumbent description can be carried out.Example Such as, each component for describing in detail in the exemplary implementation can be changed and realized.

Although describing the exemplary embodiment of present disclosure in detail with reference to accompanying drawing, present disclosure is not limited to This, in the case of the technology design without departing substantially from present disclosure, present disclosure can be implemented in many different forms.Cause This, there is provided the exemplary embodiment of present disclosure purpose only for the purpose of illustration, and be not intended to limit present disclosure Technology design.The scope not limited to this of the technology design of present disclosure.It will thus be appreciated that above-mentioned exemplary embodiment All it is in all respects illustrative, is not intended to limit present disclosure.This public affairs should be explained based on following claims The protection domain of content is opened, all technology designs in its equivalency range all should be interpreted that and fall within the scope of this disclosure.

Claims (21)

1. a kind of substrate for organic light-emitting display device, including：

Protective layer with non-flat shape；

First electrode on the protective layer, the first electrode has the non-flat shape；With

Dike layer on the protective layer and the first electrode, the dike layer is included for exposing opening for the first electrode Mouthful,

Wherein described protective layer is located in the part in the opening of dike layer and the region with dike layer.

2. substrate according to claim 1, wherein the protective layer is configured to reduce the colour cast for visual angle.

3. substrate according to claim 1, wherein the protective layer includes multiple recesses or multiple convex portions, the recess or The convex portion is arranged to be separated with adjacent recess or convex portion with aturegularaintervals.

4. substrate according to claim 3, wherein the multiple recess or the multiple convex portion include the first recess and the Two recesses or the first convex portion and the second convex portion, and

Wherein between first recess and second recess or between first convex portion and second convex portion Threeth recess or threeth convex portion adjacent with second recess or second convex portion is further set, to form zigzag battle array Row.

5. substrate according to claim 3, wherein the multiple recess or the multiple convex portion are arranged on than dike layer The broader region in the opening in.

6. substrate according to claim 3, wherein the multiple recess or the multiple convex portion are arranged on the protective layer Whole surface on.

7. substrate according to claim 1, wherein the slope of the opening of dike layer is 40 ° or higher, Huo Zhesuo Stating opening has curved shape.

8. substrate according to claim 1, further includes：

The light-emitting zone of the opening including dike layer,

Wherein described light-emitting zone includes the first light-emitting zone, the second light-emitting zone and the 3rd light-emitting zone, and

Vertical length of the vertical length of first light-emitting zone more than second light-emitting zone and the 3rd luminous zone The vertical length in domain.

9. substrate according to claim 8, wherein second light-emitting zone and the 3rd light-emitting zone is vertically long Degree is different from each other.

10. substrate according to claim 1, further includes：

The light-emitting zone of the opening including dike layer,

Wherein described light-emitting zone includes the first light-emitting zone, the second light-emitting zone and the 3rd light-emitting zone, and

Horizontal length of the horizontal length of first light-emitting zone less than second light-emitting zone and the 3rd luminous zone The horizontal length in domain.

11. substrates according to claim 10, wherein the level of second light-emitting zone and the 3rd light-emitting zone Length is different from each other.

A kind of 12. organic light-emitting display devices, including multiple pixels and the sub-pixel of the pixel is constituted, the organic light emission Display device includes：

Dike layer, the dike layer exposes the light-emitting zone of the sub-pixel and including beveled；

Improve the protective layer of structure including visual angle；With

Organic luminous layer on the protective layer, the organic luminous layer follows the form of the visual angle improvement structure.

13. organic light-emitting display devices according to claim 12, wherein the sub-pixel includes two or more height Pixel, and

The protective layer and organic hair at least one sub-pixel among wherein described two or more sub-pixels Photosphere does not include that the visual angle improves structure.

14. organic light-emitting display devices according to claim 12, wherein the visual angle improves structure includes recess or convex Portion.

15. organic light-emitting display devices according to claim 14, wherein a diameter of 2 μm of the recess or the convex portion To 6 μm.

16. organic light-emitting display devices according to claim 14, wherein the height of the recess or the convex portion is 0.05 μm to 2 μm.

17. organic light-emitting display devices according to claim 14, wherein the recess or the convex portion include that multiple is recessed Each of gap between portion or multiple convex portion, and gap and the convex portion between the recess is 1 μm to 2 μm.

18. organic light-emitting display devices according to claim 14, wherein the recess or the convex portion include that multiple is recessed Portion or multiple convex portions, and the recess or the convex portion are arranged so that three adjacent recesses or the center of convex portion connect each other All interior angles of the triangle formed when connecing turn into acute angle.

19. organic light-emitting display devices according to claim 14, wherein the sub-pixel includes two or more height Pixel, the protective layer of a sub-pixel in described two or more sub-pixels includes the recess, other sub-pixels The protective layer include the convex portion.

20. organic light-emitting display devices according to claim 12, wherein the slope of the opening of dike layer is 40 ° Or it is higher, or the opening is with curved shape.

21. organic light-emitting display devices according to claim 12, wherein dike layer includes the exposure light-emitting zone Two or more opening.