Organic light-emitting display device and mobile terminal
Technical field
The utility model relates to field of display technology, specifically, being related to a kind of organic light-emitting display device and including should
The mobile terminal of organic light-emitting display device.
Background technique
Organic light-emitting display device using organic electroluminescent LED (Organic Light-Emitting Diode,
Abbreviation OLED) be used as luminescent material, have the advantages that self-luminous, wide viewing angle, high contrast, low power consuming, be widely used in mobile phone,
In the intellectual products such as laptop.
In organic light-emitting display device, due to the presence of microcavity effect, can there are problems that visual angle colour cast.Concrete reason
It is as visual angle increases, blue shift occurs for spectrum peak, causes visual angle colour cast.
In the prior art, usually by way of increasing by one layer of scattering layer in organic light-emitting display device, improve organic
The visual angle colour cast of luminous display unit.The thickness that this mode will cause organic light-emitting display device increases, and is unfavorable for organic hair
The thinning of electro-optical display device.When organic light-emitting display device is flexible apparatus, increases thickness and be also unfavorable for organic light emitting display
The flexible bending of device.
It should be noted that information is only used for reinforcing the background to the utility model disclosed in above-mentioned background technology part
Understanding, therefore may include the information not constituted to the prior art known to persons of ordinary skill in the art.
Utility model content
In view of this, the present invention provides a kind of organic light-emitting display device and including the organic light-emitting display device
Mobile terminal realizes the visual angle colour cast problem for improving organic light-emitting display device while not increasing thickness.
One aspect according to the present utility model provides a kind of organic light-emitting display device, the organic light emitting display dress
It sets including stacking gradually in the pixel driver layer on flexible base board, OLED component, encapsulated layer, optical adhesive layer, touch-control film layer and soft
Property cover board;Doped with scattering particles in the optical adhesive layer, the refractive index of the scattering particles is different from the optical adhesive layer
Refractive index;And/or doped with scattering particles in the touch-control film layer, the refractive index of the scattering particles is different from the touch-control
The refractive index of film layer.
Preferably, described when in the optical adhesive layer doped with scattering particles in above-mentioned organic light-emitting display device
Optical adhesive layer include optics acrylic gum base materials and be covered on the optics acrylic gum base materials upper and lower surfaces from
Type film, the scattering particles are doped in the optics acrylic gum base materials.
Preferably, described when in the touch-control film layer doped with scattering particles in above-mentioned organic light-emitting display device
Touch-control film layer includes transparent substrate and the transparent conductive electrode positioned at the transparent substrate upper surface, and the scattering particles are doped in
In the transparent substrate.
Preferably, described when in the optical adhesive layer doped with scattering particles in above-mentioned organic light-emitting display device
Scattering particles are uniformly distributed in the optical adhesive layer, and doping concentration of the scattering particles in the optical adhesive layer is less than
Equal to 50%;When in the touch-control film layer doped with scattering particles, the scattering particles uniformly divide in the touch-control film layer
Cloth, and doping concentration of the scattering particles in the touch-control film layer is less than or equal to 50%.
Preferably, in above-mentioned organic light-emitting display device, the shape of the scattering particles is spheroidal or elliposoidal.
Preferably, in above-mentioned organic light-emitting display device, the diameter of the scattering particles is 100nm~500nm.
Preferably, in above-mentioned organic light-emitting display device, the scattering particles are particles of inorganic material or metallic particles.
Preferably, in above-mentioned organic light-emitting display device, the scattering particles are selected from SiO2、Si3N4, Zr or Al2O3。
Preferably, above-mentioned organic light-emitting display device further include: polarizing layer is located at the encapsulated layer and the optical cement
Between layer.
One aspect according to the present utility model, provides a kind of mobile terminal, and the mobile terminal includes above-mentioned organic
Luminous display unit.
The beneficial effect of the utility model compared with prior art is:
The utility model is different from optical adhesive layer and touch-control by adulterating refractive index in optical adhesive layer and/or touch-control film layer
The scattering particles of film layer, and in a certain range by the control of the doping concentration of scattering particles, improve organic light-emitting display device
Visual angle colour cast problem, while not increasing the thickness of organic light-emitting display device, be conducive to the flexible bending of organic light-emitting display device
Folding.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The utility model can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets the utility model
Embodiment, and be used to explain the principles of the present invention together with specification.It should be evident that the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 shows a kind of structural schematic diagram of organic light-emitting display device in the utility model embodiment;
Fig. 2 shows the structural schematic diagrams of organic light-emitting display device another in the utility model embodiment;
Fig. 3 shows the scattering schematic diagram in the utility model embodiment doped with the optical adhesive layer of scattering particles to light.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein.On the contrary, thesing embodiments are provided so that this is practical new
Type will be full and complete, and the design of example embodiment is comprehensively communicated to those skilled in the art.It is identical in figure
Appended drawing reference indicate same or similar structure, thus repetition thereof will be omitted.
Fig. 1 shows a kind of structural schematic diagram of organic light-emitting display device in embodiment, and Fig. 1 shows another in embodiment
The structural schematic diagram of organic light-emitting display device.Referring to figs. 1 and 2, in some embodiments, the utility model is organic
Luminous display unit includes:
It stacks gradually in the pixel driver layer 2 on flexible base board 1, OLED component 3, encapsulated layer 4, optical adhesive layer 6, touch control film
Layer 7 and flexible cover plate 8 form the luminous organic light-emitting display device in top.
Flexible base board 1 can be PI (polyimides) substrate, and pixel driver layer 2 is TFT (Thin Film
Transistor, thin film transistor (TFT)) circuit layer, for driving pixel unit.OLED component 3 includes hole injection layer, hole biography
The structures such as defeated layer, luminescent layer, electron transfer layer, electron injecting layer.Encapsulated layer 4 is alternately stacked shape by inorganic film and organic film
At.Optical cement (Optically Clear Adhesive, abbreviation OCA) layer 6 is used as adhesive, and touch-control film layer 7 may be implemented to touch
Induction is touched, flexible cover plate 8 can equally use PI film, realize the flexible bending of organic light-emitting display device.
Wherein, doped with scattering particles 60 in optical adhesive layer 6, the refractive index of scattering particles 60 is different from optical adhesive layer 6
Refractive index, doping concentration of the scattering particles 60 in optical adhesive layer 6 are less than or equal to 50%;And/or in touch-control film layer 7 doped with
Scattering particles 60, the refractive index of scattering particles 60 are different from the refractive index of touch-control film layer 7, and scattering particles 60 are in touch-control film layer 7
Doping concentration be less than or equal to 50%.That is, in one embodiment, as shown in Figure 1, scattering particles 60 are doped in optical adhesive layer
In 6, the refractive index of scattering particles 60 is different from the refractive index of optical adhesive layer 6, and doping of the scattering particles 60 in optical adhesive layer 6 is dense
Degree is less than or equal to 50%.In another embodiment, as shown in Fig. 2, scattering particles 60 are doped in touch-control film layer 7, scattering
The refractive index of grain 60 is different from the refractive index of touch-control film layer 7, and doping concentration of the scattering particles 60 in touch-control film layer 7 is less than or equal to
50%.Alternatively, scattering particles 60 can be doped in simultaneously in optical adhesive layer 6 and (not signal in detail in figure) in touch-control film layer 7.
The scattering particles for being different from optical adhesive layer 6 and touch-control film layer 7 by adulterating refractive index in optical adhesive layer 6 and/or touch-control film layer 7
60, and in a certain range by the control of the doping concentration of scattering particles 60, the view of organic light-emitting display device can be effectively improved
The inclined problem of role is only doped in original optical adhesive layer 6 and/or touch-control film layer 7 scattered simultaneously because not increasing new film layer
Particle 60 is penetrated, realizes the thickness for not changing organic light-emitting display device, is conducive to the flexible bending of organic light-emitting display device.
Doped with the optical adhesive layer 6 of scattering particles 60 to the scattering schematic diagram of light referring to shown in Fig. 3.Arrow a1 is represented not
Trend of the light in optical adhesive layer 6 when adulterating scattering particles 60, Bold arrows a2 represent light quilt after doping scattering particles 60
The trend that scattering particles 60 reflect.As can be seen that after adulterating scattering particles 60 in optical adhesive layer 6, due to scattering particles 60
The refractive index that refractive index is different from optical adhesive layer 6 increases the outgoing of different angle by the scattering process of scattering particles 60
Light can be effectively improved the visual angle colour cast problem of organic light-emitting display device.In practical application, the refractive index of scattering particles 60
It can be set as needed with the refractive index of optical adhesive layer 6, such as make the refraction of the refractive index and optical adhesive layer 6 of scattering particles 60
The difference of rate is located in the range of 0.5~1.5, realizes better dispersion effect.Similarly, when the doping scattering in touch-control film layer 7
After grain 60, since the refractive index of scattering particles 60 is different from the refractive index of touch-control film layer 7, made by the scattering of scattering particles 60
With can increase the emergent light of different angle, be effectively improved the visual angle colour cast problem of organic light-emitting display device.
Further, when in optical adhesive layer 6 doped with scattering particles 60, optical adhesive layer 6 includes optics acrylic matrix
The release film of material and the upper and lower surfaces for being covered on optics acrylic gum base materials, scattering particles 60 are doped in sub- gram of optics
In power gum base materials.And in a preferred embodiment, scattering particles 60 uniformly divide in the optics acrylic gum base materials of optical adhesive layer 6
Cloth makes organic light-emitting display device obtain uniform visual effect.When in touch-control film layer 7 doped with scattering particles 60, touch-control
Film layer 7 includes transparent substrate and the transparent conductive electrode positioned at transparent substrate upper surface, and scattering particles 60 are doped in transparent substrate
In.Transparent substrate can be selected from PET (poly terephthalic acid class plastics), COP (cyclic olefin polymer) or PI (polyimides).And
In a preferred embodiment, scattering particles 60 are uniformly distributed in the transparent substrate of touch-control film layer 7, make organic light-emitting display device
Obtain uniform visual effect.
The shape of scattering particles 60 can be spheroidal or elliposoidal.The diameter of scattering particles 60 is 100nm~500nm,
To obtain better dispersion effect.
Scattering particles 60 are particles of inorganic material or metallic particles, and scattering particles 60 can be selected from SiO2、Si3N4, Zr or
Al2O3。
Further, the organic light-emitting display device of the utility model further includes polarizing layer 5, and polarizing layer 5 is located at encapsulated layer 4
Between optical adhesive layer 6.The light that polarizing layer 5 can promote OLED component 3 appears efficiency, reduces the energy consumption of OLED component 3.
The manufacturing process of the organic light-emitting display device of the utility model includes: preparation glass substrate, on the glass substrate
It is coated with PI material, forms flexible base board 1.TFT film layer is made in the upper surface of flexible base board 1, forms pixel driver layer 2.In shape
At production hole injection layer, hole transmission layer, luminescent layer, electron transfer layer, electronics on the flexible base board 1 for having pixel driver layer 2
The structures such as implanted layer form OLED component 3.The production of encapsulating film layer is carried out on OLED component 3, forms encapsulated layer 4.Then it is sealing
It fills and is bonded polarizing layer 5, optical adhesive layer 6, touch-control film layer 7 and flexible cover plate 8 on layer 4.Wherein, doped with scattered in optical adhesive layer 6
Particle 60 is penetrated, the refractive index of scattering particles 60 is different from the refractive index of optical adhesive layer 6, and scattering particles 60 are in optical adhesive layer 6
Doping concentration is less than or equal to 50%;And/or doped with scattering particles 60 in touch-control film layer 7, the refractive index of scattering particles 60 is different
In the refractive index of touch-control film layer 7, doping concentration of the scattering particles 60 in touch-control film layer 7 is less than or equal to 50%.
The utility model also provides a kind of mobile terminal, which includes above-mentioned organic light-emitting display device.This
The organic light-emitting display device that the mobile terminal of utility model is configured in optical adhesive layer 6 and/or touch-control film layer 7 by adulterating
Refractive index is different from the scattering particles 60 of optical adhesive layer 6 and touch-control film layer 7, and the doping concentration of scattering particles 60 is controlled one
Determine in range, the visual angle colour cast problem of organic light-emitting display device can be effectively improved, simultaneously because not increasing new film layer, only
Scattering particles 60 are doped in original optical adhesive layer 6 and/or touch-control film layer 7, realization does not change organic light-emitting display device
Thickness, be conducive to the flexible bending of organic light-emitting display device.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the protection scope of the utility model.