CN203930105U - Flexible membrane, organic LED display panel and display device - Google Patents

Flexible membrane, organic LED display panel and display device Download PDF

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Publication number
CN203930105U
CN203930105U CN201420347946.0U CN201420347946U CN203930105U CN 203930105 U CN203930105 U CN 203930105U CN 201420347946 U CN201420347946 U CN 201420347946U CN 203930105 U CN203930105 U CN 203930105U
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light
flexible membrane
display panel
filter layer
retardation film
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CN201420347946.0U
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黄维
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BOE Technology Group Co Ltd
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BOE Technology Group Co Ltd
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Priority to CN201420347946.0U priority Critical patent/CN203930105U/en
Priority to PCT/CN2014/086811 priority patent/WO2015196591A1/en
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes

Abstract

The utility model relates to a kind of flexible membrane, a kind of organic LED display panel and a kind of display device, wherein, this flexible membrane comprises: polaroid, filter layer, phase retardation film and the first barrier layer, wherein, described phase retardation film is arranged at described filter layer outside, for the light to by described filter layer, carries out phase compensation.By the technical solution of the utility model, can carry out phase compensation to penetrating the light of filter layer, eliminate the phase delay that light produces after by barrier layer, polaroid and filter layer, improve the display effect of display panel.

Description

Flexible membrane, organic LED display panel and display device
Technical field
The utility model includes OLED technical field, in particular to a kind of flexible membrane, a kind of organic LED display panel and a kind of display device.
Background technology
The high resolving power of display device, flexibility have become a kind of inevitable outcome, and high-resolution flexible Organic Light Emitting Diode (being OLED) device has market outlook and profit margin widely.
Due to the process technology limit of the hot vapour deposition method of existing fine metal mask version (FMM) to OLED device resolution, make to turn to one after another in the industry the mode of the color film of white light W-OLED+ to obtain high resolving power OLED device.
But, in barrier film (barrier layer), the POL (polaroid) comprising in the color film of white light W-OLED+ and one or more in color film, contain optically anisotropic component, cause light in each sub-pix region, to experience phase delay in various degree from thin-film encapsulation layer penetrates, cause the final optical effect after compound of light deteriorated.
Utility model content
Technical problem to be solved in the utility model is to carrying out phase compensation through one or more light that contains optically anisotropic rete, and the optical effect after making light compound is optimized.
For this purpose, the utility model proposes a kind of flexible membrane, comprising: polaroid, filter layer, phase retardation film and the first barrier layer, wherein, described phase retardation film is arranged at described filter layer inner side, for the light to by described filter layer, carries out phase compensation.
Preferably, the pass between the anisotropy of described phase retardation film refractive index and the anisotropy of described filter layer refractive index is:
△n CF×d CF+△n LCP×d LCP＝N×λ，
Wherein, N is positive integer, △ n cFfor the anisotropy of described filter layer refractive index, d cFfor the thickness of described filter layer, △ n lCPfor the anisotropy of described phase retardation film refractive index, d lCPfor the thickness of described phase retardation film, λ is the wavelength of injecting the light of described filter layer.
Preferably, the figure of described phase retardation film is formed by light orientation.
Preferably, described phase retardation film comprises light oriented layer and liquid crystal polymer film.
Preferably, described the first barrier layer is arranged at described polaroid inner side.
Preferably, described the first barrier layer is arranged at described polaroid outside.
The utility model has also proposed a kind of organic LED display panel, comprises the flexible membrane described in above-mentioned any one, and described flexible membrane is arranged at the bright dipping side of described organic LED display panel.
Preferably, also comprise: encapsulating film, organic material layer, transparent cathode, thin film transistor (TFT) backboard, the second barrier layer and substrate.
Preferably, described organic material layer penetrates light with top radiation pattern.
Preferably, the light that described organic material layer penetrates is white light.
The utility model has also proposed a kind of display device, comprises the organic LED display panel described in above-mentioned any one.
By technique scheme, can carry out phase compensation to the light by filter layer, eliminate the phase delay that light produces after by filter layer and/or barrier layer, polaroid, improve the display effect of display panel.
Accompanying drawing explanation
By reference to accompanying drawing, can more clearly understand feature and advantage of the present utility model, accompanying drawing is schematically to should not be construed as the utility model is carried out to any restriction, in the accompanying drawings:
Fig. 1 shows according to the structural representation of the flexible membrane of an embodiment of the utility model;
Fig. 2 shows according to the structural representation of the flexible membrane of another embodiment of the utility model;
Fig. 3 A to Fig. 3 F shows according to the phase retardation film of an embodiment of the utility model and generates schematic diagram;
Fig. 4 A and Fig. 4 B show according to the barrier layer of the utility model embodiment and generate schematic diagram;
Fig. 5 A and Fig. 5 B show according to the structural representation of the organic LED display panel of the utility model embodiment.
Drawing reference numeral explanation:
1-the first barrier layer; 2-polaroid; 3-filter layer; 4-phase retardation film; 5-encapsulating film; 6-organic material layer; 7-thin film transistor (TFT) backboard; 8-the second barrier layer; 9-substrate; 10-light oriented layer; The reactive unit film of 11-; 12-liquid crystal polymer film.
Embodiment
In order more clearly to understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments, the utility model is further described in detail.It should be noted that, in the situation that not conflicting, the application's embodiment and the feature in embodiment can combine mutually.
A lot of details have been set forth in the following description so that fully understand the utility model; but; the utility model can also adopt other to be different from other modes described here and implement, and therefore, protection domain of the present utility model is not subject to the restriction of following public specific embodiment.
Fig. 1 shows according to the structural representation of the flexible membrane of an embodiment of the utility model.
As shown in Figure 1, according to the flexible membrane of an embodiment of the utility model, comprise: polaroid 2, filter layer 3, phase retardation film 4 and the first barrier layer 1, wherein, phase retardation film 4 is arranged at filter layer 3 inner sides, for the light to by filter layer 3, carries out phase compensation.
Preferably, the pass between the anisotropy of phase retardation film 4 refractive indexes and the anisotropy of filter layer 3 refractive indexes is:
△n CF×d CF+△n LCP×d LCP＝N×λ，
Wherein, N is positive integer, △ n cFfor the anisotropy of filter layer 3 refractive indexes, d cFfor the thickness of filter layer 3, △ n lCPfor the anisotropy of phase retardation film 4 refractive indexes, d lCPfor the thickness of phase retardation film 4, λ is the wavelength of injecting the light of filter layer.
△ n wherein cFthe anisotropy that specifically can comprise the corresponding refractive index of each color region in filter layer 3, such as comprising △ n r, △ n gwith △ n b, the anisotropy of the refractive index of red in corresponding filter layer 3, green, blue region respectively, correspondingly, also corresponding three subregions corresponding with above-mentioned three regions, i.e. △ n on phase retardation film 4 lCPspecifically comprise three numerical value △ n lCP1, △ n lCP2, △ n lCP3thereby light is injected after phase retardation film 4, the anisotropy through refractive index is △ n respectively lCP1, △ n lCP2, △ n lCP3three subregions, produce phase place and change, take compensate light more after filtration the anisotropy of the refractive index of photosphere 3 be △ n r, △ n gwith △ n bthree subregions time the phase delay that causes, compound light effects is optimized.
In addition, in other embodiments, also need to consider that the first barrier layer 1 and polaroid 2 also have anisotropic component, can specifically adjust as required the anisotropy of the refractive index of three subregions in phase retardation film 4.
Preferably, the figure of phase retardation film 4 is formed by light orientation.
Preferably, phase retardation film 4 comprises light oriented layer 10 and liquid crystal polymer film 12.
Phase retardation film 4 specifically can generate by optical alignment method, specifically as shown in Fig. 3 A to Fig. 3 F.
First on polaroid 2, generate the filter layer 3 with three primary colors (red, green, blue), on filter layer 3, deposit one deck light oriented layer 10, by the accurate regional exposure mode of photomak, use the UV light (ultraviolet ray) of three kinds of different polarization states to carry out light orientation to three subregions, obtain three kinds of orientation effect, light oriented layer has been carried out to graphical treatment.
Then deposition reaction unit film 11 in patterned smooth oriented layer 10, obtains pattern of rows and columns of setting in liquid crystal phase temperature range.Re-use UV photocuring reaction unit film 11, formation possesses the liquid crystal polymer film 12 that three kinds of microcells are arranged, be that light oriented layer 10 and liquid crystal polymer film 12 have formed phase retardation film 4 jointly, wherein light oriented layer 10 is thinner, and phase delay effect is mainly completed by liquid crystal polymer film 12.
According to said structure, make when light enters phase retardation film 4, by the orientation of liquid crystal polymer film 12 and the anisotropic refraction rate index of film, optimize each microcell ground phase-delay quantity, and it is also conceivable that the first barrier layer 1 of subsequent deposition and phase delay that the optical anisotropy of the polaroid 2 that sets in advance causes, greatly make up and penetrate the phase delay that light brings due to filter layer 3 and/or the first barrier layer 1, polaroid 2, thereby optimize the light effects after compound, improve the final display effect of display panel.
And, by adding phase retardation film 4 in encapsulating structure, can directly before penetrating display panel, light adjust its phase place, and without the extra phase adjusting apparatus that adds, thereby simplified the manufacture craft of organic LED display panel, be more convenient to batch production.
Preferably, the first barrier layer 1 is arranged at polaroid inner side.In the situation that the thickness of the first barrier layer 1 is less than preset thickness, in order to make organic LED display panel there is better packaging effect, the first barrier layer 1 can be arranged to the inner side of polaroid 2.
As shown in Figure 2, preferably, the first barrier layer 1 is arranged at the outside of polaroid 2.In the situation that the thickness of the first barrier layer 1 is more than or equal to preset thickness, can improve the resolution of organic LED display panel, light leak, colour mixture risk simultaneously that for fear of thicker barrier layer, produce, can consider to sacrifice some packaging effects, the first barrier layer 1 is arranged to the outside of polaroid 2, makes the overall performance index of organic LED display panel reach optimum.
The depositional mode of barrier layer as shown in Figure 4 A and 4 B shown in FIG., specifically can adopt chemical vapor deposition mode (CVD), ald mode (ALD), or physical vapour deposition (PVD) mode (PVD), be deposited on the first barrier layer 1 in inner side or the outside of polaroid 2.
Corresponding organic LED display panel structure, as shown in Fig. 5 A and Fig. 5 B, comprises above-mentioned flexible membrane, and flexible membrane is arranged at the bright dipping side of organic LED display panel.
Preferably, this organic LED display panel also comprises: encapsulating film 5, organic material layer 6, transparent cathode (not shown in FIG., can for being laid in the layer of metal sull on organic material layer 6), thin film transistor (TFT) backboard 7, the second barrier layer 8 and substrate 9.
Wherein, organic material layer 6 specifically can form by certain the several layer in a plurality of layers such as hole injection layer, hole transmission layer, recombination luminescence layer, electron transfer layer, electron injecting layer.
Preferably, organic material layer 6 penetrates light with top radiation pattern.
Preferably, the light that organic material layer 6 penetrates is white light.Thereby guarantee that organic LED display panel penetrates white light with top radiation pattern.
The utility model has also proposed a kind of display device, comprises above-mentioned organic LED display panel.
The display device of the utility model embodiment is such as being: any product or parts with Presentation Function such as Electronic Paper, mobile phone, panel computer, televisor, display, notebook computer, digital album (digital photo frame), navigating instrument.
It should be noted that in present specification, term " first ", " second " be only for distinguishing object, and can not be interpreted as indication or hint relative importance.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims (11)

1. a flexible membrane, is characterized in that, comprising:
Polaroid, filter layer, phase retardation film and the first barrier layer, wherein,
Described phase retardation film is arranged at described filter layer inner side, for the light to by described filter layer, carries out phase compensation.
2. flexible membrane according to claim 1, is characterized in that, the pass between the anisotropy of described phase retardation film refractive index and the anisotropy of described filter layer refractive index is:
△n CF×d CF+△n LCP×d LCP＝N×λ，
Wherein, N is positive integer, △ n cFfor the anisotropy of described filter layer refractive index, d cFfor the thickness of described filter layer, △ n lCPfor the anisotropy of described phase retardation film refractive index, d lCPfor the thickness of described phase retardation film, λ is the wavelength of injecting the light of described filter layer.
3. flexible membrane according to claim 1, is characterized in that, the figure of described phase retardation film is formed by light orientation.
4. flexible membrane according to claim 1, is characterized in that, described phase retardation film comprises light oriented layer and liquid crystal polymer film.
5. according to the flexible membrane described in any one in claim 1 to 4, it is characterized in that, described the first barrier layer is arranged at described polaroid inner side.
6. according to the flexible membrane described in any one in claim 1 to 4, it is characterized in that, described the first barrier layer is arranged at described polaroid outside.
7. an organic LED display panel, is characterized in that, comprising: the flexible membrane as described in any one in claim 1 to 6, described flexible membrane is arranged at the bright dipping side of described organic LED display panel.
8. organic LED display panel according to claim 7, is characterized in that, also comprises: encapsulating film, organic material layer, transparent cathode, thin film transistor (TFT) backboard, the second barrier layer and substrate.
9. organic LED display panel according to claim 8, is characterized in that, described organic material layer penetrates light with top radiation pattern.
10. organic LED display panel according to claim 8, is characterized in that, the light that described organic material layer penetrates is white light.
11. 1 kinds of display device, is characterized in that, comprising: the organic LED display panel as described in any one in claim 7 to 10.
CN201420347946.0U 2014-06-26 2014-06-26 Flexible membrane, organic LED display panel and display device Active CN203930105U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201420347946.0U CN203930105U (en) 2014-06-26 2014-06-26 Flexible membrane, organic LED display panel and display device
PCT/CN2014/086811 WO2015196591A1 (en) 2014-06-26 2014-09-18 Flexible film, organic light-emitting diode display panel and display apparatus

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015196591A1 (en) * 2014-06-26 2015-12-30 京东方科技集团股份有限公司 Flexible film, organic light-emitting diode display panel and display apparatus
CN105629543A (en) * 2016-01-04 2016-06-01 京东方科技集团股份有限公司 Flexible liquid crystal display panel and display device

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CN105845047A (en) * 2016-05-31 2016-08-10 利亚德光电股份有限公司 Display lamp panel and display screen with same
CN112701234B (en) * 2020-12-25 2022-09-20 深圳扑浪创新科技有限公司 Quantum dot display panel and preparation method thereof
CN113488603B (en) * 2021-07-07 2023-08-25 业成科技（成都）有限公司 Method for manufacturing optical display device
CN113759453B (en) * 2021-09-14 2023-11-07 业成科技（成都）有限公司 Polarization filter plate, touch display device and mobile terminal

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CN1493904A (en) * 2002-10-30 2004-05-05 胜华科技股份有限公司 Using liquid crystal optical film to make optical compensated semi penetrating reflective type liquid crystal display
TWI493260B (en) * 2012-01-17 2015-07-21 Hannstar Display Corp Electrical control birefringence type liquid crystal panel and liquid crystal display
CN103018962B (en) * 2012-12-14 2015-04-01 京东方科技集团股份有限公司 Liquid crystal display screen and display equipment
CN103760715A (en) * 2013-12-31 2014-04-30 深圳市华星光电技术有限公司 Liquid crystal display panel and manufacturing method thereof
CN203930105U (en) * 2014-06-26 2014-11-05 京东方科技集团股份有限公司 Flexible membrane, organic LED display panel and display device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015196591A1 (en) * 2014-06-26 2015-12-30 京东方科技集团股份有限公司 Flexible film, organic light-emitting diode display panel and display apparatus
CN105629543A (en) * 2016-01-04 2016-06-01 京东方科技集团股份有限公司 Flexible liquid crystal display panel and display device
CN105629543B (en) * 2016-01-04 2019-03-01 京东方科技集团股份有限公司 A kind of flexible liquid crystal panel and display device
US10481434B2 (en) 2016-01-04 2019-11-19 Boe Technology Group Co., Ltd. Flexible liquid crystal display panel and display device comprising first and second negative A plate compensation films and a positive C plate compensation film between a second flexible substrate and the first negative A plate

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