CN104752622A - Flexible organic lighting display device - Google Patents
Flexible organic lighting display device Download PDFInfo
- Publication number
- CN104752622A CN104752622A CN201310749961.8A CN201310749961A CN104752622A CN 104752622 A CN104752622 A CN 104752622A CN 201310749961 A CN201310749961 A CN 201310749961A CN 104752622 A CN104752622 A CN 104752622A
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- flexible
- support unit
- display device
- organic light
- infrabasal plate
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- 238000005452 bending Methods 0.000 claims abstract description 27
- 239000000758 substrate Substances 0.000 claims description 39
- 230000002787 reinforcement Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000011112 polyethylene naphthalate Substances 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 229920002396 Polyurea Polymers 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229940037003 alum Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000004702 methyl esters Chemical class 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000052 poly(p-xylylene) Polymers 0.000 description 1
- 229920000193 polymethacrylate Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention provides a flexible organic lighting display device. The device comprises a flexible display panel, an upper base plate and a lower base plate, wherein the upper base plate and the lower base plate are respectively arranged at two sides of the flexible display panel; supporting units are directly arranged on the lower base plate and the upper base plate and close to the flexible display panel, and each supporting unit comprises a supporting body arranged on the upper base plate or the lower base plate, and a spherical crown body arranged between the supporting body and the flexible display panel. The flexible organic lighting display device can be bent or coiled in any direction; when in bending or coiling, the supporting units on the lower base plate can support each other to stress; meanwhile, the structures and spacing of the supporting units can be adjusted according to the minimum bending radius of the flexible display panel, thus the supporting units can be mutually extruded to stress the force during bending, and the actual bendable radius is not less than the bending radius of a flexible screen body, and as a result, the flexible display panel can be prevented from being damaged by outside force.
Description
Technical field
The present invention relates to Display Technique field, be specifically related to a kind of can bending and not damage the flexible organic light-emitting display device of screen body by any direction.
Background technology
Organic light-emitting display device (English full name Organic Light-Emitting Display, be called for short OLED) be active illuminating device, compare existing main flow flat panel display---thin-film transistor LCD device (English full name Thin Film Transistor-Liquid Crystal Display, be called for short TFT-LCD), organic light-emitting display device has the advantages such as high-contrast, wide viewing angle, low-power consumption, volume be thinner, being expected to the flat panel display of future generation become after LCD, is one of the maximum technology that receives publicity in current flat panel display.
Different from traditional flat-panel monitor, organic light-emitting display device can real Flexible Displays as substrate according to flexible material, thus can make fantasy visual effect.Flexible organic light-emitting display device relies on its flexible performance can realize multi-field application, such as rollable display unit.But be subject to the restriction of current material and technology, setting wiring is on flexible substrates (as grid lead, data signal leads, power supply signal goes between, anode electrode etc.) mostly adopt metal material, alloy material or metal oxide materials etc. make, oxide or nitride also can be set in these wirings simultaneously to play passivation, the characteristic of these wiring materials and passivating material determines that its pliability is poor, if when bending radius is too small or generation is firmly rolled over, very easily there is the phenomenon ruptured in these wirings and passivation layer, thus display generating function obstacle is even scrapped.
Chinese patent literature CN202153541U discloses a kind of flexible display, comprise the anti-bending unit at the flexible back plate back side being arranged on flexible display, described anti-bending unit is arranged along the inflexibility direction of flexible display, bends along its inflexibility direction to avoid flexible display.Described bending unit comprises the some reinforcements being arranged on the flexible back plate back side, described some reinforcements are arranged along the inflexibility direction of flexible display at the back side of flexible back plate, make the bending direction of flexible display controlled, firm position on un-flexed direction.
Although above-mentioned flexible display can realize the protection to non-toughness elements such as wire structures; and it is bending to carry out to a certain degree in the vertical direction of reinforcement; but firm position on the direction being parallel to reinforcement; can only realize curling along the direction perpendicular to reinforcement; cannot realize the flexible of any direction, be not real Flexible Displays.And in the region between two reinforcements during doubling, if the radius that bends is less than the patient least radius of flexible display screen body, described reinforcement can not the flexible radius of flexible display described in available protecting, and then there is the problem that screen body damages.
Summary of the invention
For this reason, to be solved by this invention is that in prior art, flexible organic light-emitting display device can not realize any direction and bends and curling technical problem, provides a kind of and can realize multi-direction flexible organic light-emitting display device bending or curling arbitrarily.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows:
The flexible organic light-emitting display device of one of the present invention, comprises flexible display panels, and is arranged on the flexible upper substrate of flexible display panels both sides and flexible infrabasal plate; Described flexible display panels and be provided with support unit between described upper substrate and described infrabasal plate; Described support unit and described flexible display panels are point cantact.
Described support unit comprises the supporting body be arranged on described upper substrate or infrabasal plate and the ball-crown body be arranged between described supporting body and described flexible display panels, the top of described ball-crown body contacts with described flexible display panels, and the bottom of described spherical crown is fixedly connected with described supporting body.
Described flexible display panels side is exiting surface, and opposite side is non-exiting surface; Described exiting surface is arranged near described upper substrate; Described exiting surface is by being arranged on the viewing area of described exiting surface central authorities and forming around the non-display area of described viewing area; Described upper substrate is transparency carrier.
Described supporting body is cylinder, and bottom surface radius is 0.5mm ~ 5mm.
The height of described supporting body is 1mm ~ 40mm.
Described support unit comprises the upper support unit be arranged on described upper substrate and the lower support unit be arranged on described infrabasal plate, the large 0 ~ 1mm of height sum of the thickness of flexible display panels described in the gap ratio of described upper substrate and described infrabasal plate, the height of described upper support unit and described lower support unit.
The spacing of the described support unit in the corresponding described non-display area of described infrabasal plate is greater than 0 and is less than or equal to S,
The height that the height sum that R is the minimum bending radius of described flexible display panels and described support unit, H are described support unit, r are described cylindrical bottom surface radius.
Described support unit in the corresponding described non-display area of described infrabasal plate equidistantly distributes.
The spacing of the described support unit in the corresponding described viewing area of described infrabasal plate is more than or equal to S.
Described support unit in the corresponding described viewing area of described infrabasal plate equidistantly distributes.
The support unit be arranged on described upper substrate equidistantly distributes, and described spacing is more than or equal to S.
Described support unit is transparent Flexible element.
Technique scheme of the present invention has the following advantages compared to existing technology:
The flexible organic light-emitting display device of one of the present invention, comprises flexible display panels, and is arranged on upper substrate and the infrabasal plate of flexible display panels both sides; Described upper substrate and described infrabasal plate are flexible base, board; Described infrabasal plate and described upper substrate are directly provided with support unit, and described support unit is all arranged near described flexible display panels; Support unit comprises the supporting body be arranged on upper substrate or infrabasal plate and the ball-crown body be arranged between supporting body and flexible display panels.Make the bending or rolling that described flexible organic light-emitting display device not only can realize on any direction, and during bending or rolling, the support unit be arranged on infrabasal plate can support mutually stressed.Simultaneously; according to the minimum bending radius size of flexible display panels; the adjustment of described support unit structure and spacing can be carried out; ensure when bending; stressed by the mutual extruding of support unit when bending; protect actual flexible radius to be not less than flexible screen body bending radius, and then protection flexible display panels is not damaged by external force affects.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the vertical view that the present invention is provided with the infrabasal plate of support unit;
Fig. 2 is the end view of flexible organic light-emitting display device of the present invention;
Fig. 3 is the end view of flexible organic light-emitting display device described in the embodiment of the present invention;
Fig. 4 is the structural representation of flexible organic light-emitting display device described in Fig. 3 when being in case of bending.
In figure, Reference numeral is expressed as: 1-flexible display panels, 11-non-display area, 12-viewing area, 2-infrabasal plate, 3-support unit, 4-upper substrate.
Embodiment
In order to make the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiments of the present invention are described in further detail.
The present invention can implement in many different forms, and should not be understood to be limited to embodiment set forth herein.On the contrary, provide these embodiments, make the disclosure to be thorough and complete, and design of the present invention fully will be conveyed to those skilled in the art, the present invention will only be limited by claim.In the accompanying drawings, for clarity, the size in layer and region and relative size can be exaggerated.
The present embodiment provides a kind of flexible organic light-emitting display device, as shown in Figure 2, comprises flexible display panels 1, and is arranged on upper substrate 4 and the infrabasal plate 2 of flexible display panels 1 both sides.
Described upper substrate 4 and described infrabasal plate 2 are flexible base, board, described flexible display panels 1 side is exiting surface, opposite side is non-exiting surface, described exiting surface is arranged near described upper substrate 4, therefore, in order to ensure that the light that described flexible display panels 1 sends effectively appears, described upper substrate 4 is transparency carrier.
In order to the flexible display panels 1 of bending and protection inside to a certain degree can be born, described upper substrate 4 and described infrabasal plate 2 must have certain flexibility and intensity, upper substrate 4 described in the present invention and described infrabasal plate 2 are selected from respectively but are not limited to polyethylene (PE), polypropylene (PP), polystyrene (PS), poly-alum ether (PES), polyethylene naphthalate (PEN), polyimides (PI), one in the flexible base, boards such as PETG (PET), in the present embodiment, described upper substrate 4 is preferably PET, described infrabasal plate 2 is preferably PP.
As other embodiments of the present invention, if described flexible display panels 1 is double face display panel, described infrabasal plate 2 also must be transparency carrier.
Described infrabasal plate 2 and described upper substrate 4 are directly provided with support unit 3, and described support unit 3 is all arranged near described flexible display panels 1, and point cantact.
Described support unit 3 comprises the supporting body be arranged on described upper substrate 4 or infrabasal plate 2 and the ball-crown body be arranged between described supporting body and described flexible display panels 1, the top of described ball-crown body contacts with described flexible display panels 1, and the bottom of described spherical crown is fixedly connected with described supporting body.As shown in Figure 3, in the present embodiment, described supporting body is cylinder, and spherical cap portion is hemisphere, described cylindrical upper bottom surface overlaps with described hemispheroidal bottom surface, and described cylindrical bottom surface is arranged near the described upper substrate 4 or described infrabasal plate 2 arranging described support unit 3.
As other embodiments of the present invention, described supporting body can also be other structures, all can realize object of the present invention, belong to protection scope of the present invention.
Described cylindrical bottom surface radius is 0.5mm ~ 5mm, and the present embodiment is preferably 1mm.Described cylindrical height is 1mm ~ 40mm, and the present embodiment is preferably 5mm.
Described support unit 3 is transparent Flexible element, be selected from but be not limited to one or more the combination in polystyrene (PS), polymethacrylates methyl esters (PMMMA), Merlon (PC), Parylene, polyureas, PETG, PEN, the present embodiment is preferably PMMA.
The described exiting surface of described flexible display panels 1 is by being arranged on the viewing area 12 of described exiting surface central authorities and forming around the non-display area 11 of described viewing area 12.In the present embodiment, described in the flexible display panels 1 selected be of a size of 135mm × 76mm, wherein said viewing area 12 is of a size of 123mm × 64mm, described non-display area 11 for inside casing be 123mm × 64mm, housing is the rectangle frame of 135mm × 76mm.
As shown in Figures 3 and 4, when described flexible organic light-emitting display device is bending or curling in any direction, adjacent described support unit 3 can contact with each other, and this contact makes described flexible organic light-emitting display device not bend further.Described in available protecting, flexible display panels 1 is not damaged by external force affects.Suppose that the bending radius of described flexible organic light-emitting display device is R1, then, when described flexible organic light-emitting display device bends, R1 should meet following formula:
Wherein, R1 is more than or equal to the minimum bending radius R of described flexible display panels, the spacing that H is the height of described support unit, r is described cylindrical bottom surface radius, S is adjacent described support unit 3.
As shown from the above formula, when R1 is minimum, the spacing of adjacent described support unit 3 is maximum, and therefore, the spacing of the described support unit 3 in the corresponding described non-display area 11 of described infrabasal plate 2 is 0 ~ S,
The minimum bending radius 85mm of flexible display panels 1 described in the present embodiment, the height of described support unit is 5mm, and described cylindrical bottom surface radius is 1mm.Therefore, the spacing of described support unit 3 can be 0 ~ 0.1mm, and the present embodiment is preferably 0.08mm.
As other embodiments of the present invention, the spacing of the described support unit 3 in the corresponding described non-display area 11 of described infrabasal plate 2 is not limited thereto, and can be selected to determine according to the minimum bending radius of selected flexible display panels 1.
And described infrabasal plate 2 only plays to arranging described support unit 3 in the region of described viewing area 12 and described upper substrate 4 effect supporting described flexible display panels 1; Therefore, being arranged on described support unit 3 on the region of the corresponding described viewing area 12 of described infrabasal plate 2 and upper substrate 4 can sparse distribution; In above-mentioned zone, the spacing of preferred adjacent described support unit 3 is more than or equal to S, the preferred 5mm of the present embodiment.
In order to make described flexible display panels 1 uniform stressed, described support unit 3 is preferably equidistantly distribution on described upper substrate 4 and described infrabasal plate 2.
In the present embodiment, the described support unit 3 in the corresponding described non-display area 11 of described infrabasal plate 2 equidistantly distributes; Described support unit 3 in the corresponding described non-display area 11 of described infrabasal plate 2 equidistantly distributes; The support unit 3 be arranged on described upper substrate 4 equidistantly distributes.
When described flexible organic light-emitting display device bends; described flexible display panels 1 also can respective curved; in order to flexible display panels described in available protecting 1 does not affect by the extruding of described support unit 3; described support unit is divided into the upper support unit be arranged on described upper substrate 4 and the lower support unit be arranged on described infrabasal plate 2; large 0 ~ the 1mm of height sum of the thickness of flexible display panels 1 described in the gap ratio of described upper substrate 4 and described infrabasal plate 2, the height of described upper support unit and described lower support unit, the present embodiment is preferably 0.8mm.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And thus the apparent change of extending out or variation be still among protection scope of the present invention.
Claims (12)
1. a flexible organic light-emitting display device, is characterized in that, comprises flexible display panels, and is arranged on the flexible upper substrate of flexible display panels both sides and flexible infrabasal plate; Described flexible display panels and be provided with support unit between described upper substrate and described infrabasal plate; Described support unit and described flexible display panels are point cantact.
2. flexible organic light-emitting display device according to claim 1, it is characterized in that, described support unit comprises the supporting body be arranged on described upper substrate or infrabasal plate and the ball-crown body be arranged between described supporting body and described flexible display panels, the top of described ball-crown body contacts with described flexible display panels, and the bottom of described spherical crown is fixedly connected with described supporting body.
3. flexible organic light-emitting display device according to claim 2, is characterized in that, described flexible display panels side is exiting surface, and opposite side is non-exiting surface; Described exiting surface is arranged near described upper substrate; Described exiting surface is by being arranged on the viewing area of described exiting surface central authorities and forming around the non-display area of described viewing area; Described upper substrate is transparency carrier.
4. the flexible organic light-emitting display device according to Claims 2 or 3, is characterized in that, described supporting body is cylinder, and bottom surface radius is 0.5mm ~ 5mm.
5. flexible organic light-emitting display device according to claim 4, is characterized in that, the height of described supporting body is 1mm ~ 40mm.
6. flexible organic light-emitting display device according to claim 5, it is characterized in that, described support unit comprises the upper support unit be arranged on described upper substrate and the lower support unit be arranged on described infrabasal plate, the large 0 ~ 1mm of height sum of the thickness of flexible display panels described in the gap ratio of described upper substrate and described infrabasal plate, the height of described upper support unit and described lower support unit.
7. flexible organic light-emitting display device according to claim 6, is characterized in that, the spacing of the described support unit in the corresponding described non-display area of described infrabasal plate is greater than 0 and is less than or equal to S,
The height that the height sum that R is the minimum bending radius of described flexible display panels and described support unit, H are described support unit, r are described cylindrical bottom surface radius.
8. flexible organic light-emitting display device according to claim 7, is characterized in that, the described support unit in the corresponding described non-display area of described infrabasal plate equidistantly distributes.
9. flexible organic light-emitting display device according to claim 7, is characterized in that, the spacing of the described support unit in the corresponding described viewing area of described infrabasal plate is more than or equal to S.
10. flexible organic light-emitting display device according to claim 9, is characterized in that, the described support unit in the corresponding described viewing area of described infrabasal plate equidistantly distributes.
11. flexible organic light-emitting display devices according to claim 7, is characterized in that, the support unit be arranged on described upper substrate equidistantly distributes, and described spacing is more than or equal to S.
12. according to described flexible organic light-emitting display device arbitrary in claim 1-3 or 5-10, and it is characterized in that, described support unit is transparent Flexible element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310749961.8A CN104752622B (en) | 2013-12-31 | 2013-12-31 | A kind of flexible organic light-emitting display device |
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| CN201310749961.8A CN104752622B (en) | 2013-12-31 | 2013-12-31 | A kind of flexible organic light-emitting display device |
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| CN104752622A true CN104752622A (en) | 2015-07-01 |
| CN104752622B CN104752622B (en) | 2017-10-10 |
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Cited By (11)
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| CN106409147A (en) * | 2015-07-30 | 2017-02-15 | 乐金显示有限公司 | Rollable flexible display device |
| CN106920826A (en) * | 2017-02-27 | 2017-07-04 | 上海天马微电子有限公司 | Flexible display panel, manufacturing method thereof and display device |
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| CN109032412A (en) * | 2018-08-01 | 2018-12-18 | 武汉华星光电半导体显示技术有限公司 | A kind of display device |
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| CN109256046B (en) * | 2018-09-20 | 2021-08-10 | 昆山国显光电有限公司 | Display panel and preparation method thereof |
| CN112908175A (en) * | 2021-02-03 | 2021-06-04 | 武汉华星光电半导体显示技术有限公司 | Flexible display device can curl |
| CN114038323A (en) * | 2021-11-22 | 2022-02-11 | 武汉华星光电半导体显示技术有限公司 | Display module, manufacturing method thereof and display device |
| CN114038323B (en) * | 2021-11-22 | 2024-11-12 | 武汉华星光电半导体显示技术有限公司 | Display module and manufacturing method thereof, and display device |
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| CN104752622B (en) | 2017-10-10 |
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