CN102931214A - Organic light emitting diode (OLED) display unit and OLED display device adopting display unit - Google Patents
Organic light emitting diode (OLED) display unit and OLED display device adopting display unit Download PDFInfo
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Abstract
The invention relates to an organic light emitting diode (OLED) display unit and an OLED display device adopting the OLED display unit. The OLED display unit comprises a luminous device panel and an packaging substrate and is characterized in that electrode terminals are arranged on the luminous device panel; penetration holes which are in one-to-one correspondence to the electrode terminals are formed in the packaging substrate; one face of the packaging substrate is attached to the face (provided with the electrode terminals) of the luminous device panel; the packaging substrate is adhered to and packaged with the periphery of the luminous device panel; conductive substances are filled into the penetration holes in the packaging substrate and are leaded to the other face of the packaging substrate to form display unit electrodes; the display unit electrodes are connected and conducted with electrode terminals on a display substrate in a one-to-one correspondence manner; and the display unit electrodes are connected with a driving control unit. Display devices with various sizes can be assembled; spliced joints between standard display modules in the display device are greatly reduced; the precision of the display device is improved; and a good vision effect is achieved.
Description
Technical field
The present invention relates to the display unit of a kind of OLED display unit and employing OLED display unit, belong to display manufacturing technology field.
Background technology
Along with developing rapidly of electronics industry, and society shows improving constantly of product requirement for information, and the huge market demand has appearred in employed indoor type or the large-scale flat-panel screens products of half indoor type for Information Communication, news briefing, securities trading in field such as airport, shopping mall, Surveillance center, stadiums.As traditional technology---LED large scale display that provides large-scale information to show, integrated microelectric technique, computer technology, the information processing technology etc. are in one, with its strong chromatic stimulus, the advantage such as dynamic range is wide, brightness is high, the life-span is long, working stability is reliable, become the only selection of outdoor display application.Yet for large scale plane full color OLED indoor and half indoor application showed product, market more existed following several respects to require: 1, blank screen better effects if, and contrast is higher, pursues more perfect vision effect; 2, uniformity of luminance in the good display panel is without vision difference and splicing sense, good complanation display effect; 3, the soft warmth of color, picture effect is good; 4, the reliability and stability under varying environment are high, convenient mobile and assembling; 5, cost is more cheap, and cost performance is higher.
Because traditional LED display unit provides point light source light-emitting, the visual stimulus degree is strong, and long-time observation easily causes visual fatigue and dazzle.Simultaneously it is the seamed formation full-color display that is stitched together of employing standard display module, picture continuity poor effect, so its technology is subject to great restriction when being applied to indoor demonstration.This provides chance for other plane Display Techniques enter large scale demonstration field.
OLED is the representative of latest generation Display Technique, because it adopts organic material luminous, is again area source simultaneously, and visual effect is soft, and image quality is exquisite and have third dimension, is the substitute products of the excellent high-end display application of large scale.
But for large scale OLED display screen manufacturing technology, the display of the maximum area of at present can the monoblock substrate directly making only is 55 cun specifications, what adopt also is conventional OLED full color process technology, can't make the display screen (such as the display screen of size greater than 100 cun) of more individual specification, this causes difficulty for this technology enters large-size screen monitors demonstration market.
Mitsubishi Electric Co. disclosed a kind of technology that adopts standard display module connecting method to make large scale OLED display screen in 2009, adopt this technology, the said firm uses the panchromatic display module of standard of 96mm * 96mm, and splicing has produced the OLED display screen of 155 cun specifications.This technology has effectively been utilized OLED face luminous characteristics, has a color soft, self-luminous, and the advantage of image quality fineness has realized that OLED is presented at the breakthrough of the indoor application of large scale.
The picture element density that above-mentioned Mitsubishi is delivered be 111111 pixels/square metre, the RGB(RGB) size of the pixel cell of combination of pixels is 3mm, black matrix" ultimate range between neighbor is 1.5mm, that is to say the level that standard display module splicing seams minimum has been accomplished 1.5mm.
In the above-mentioned large scale OLED display screen manufacturing process that Mitsubishi is delivered, its contact conductor is arranged in the outside of spliced display unit, occupies certain position, thereby causes package edge wider, further causes the splicing seams distance of display module wider.
Though the above-mentioned large scale OLED display screen that Mitsubishi is delivered is described as seamless spliced, but because the restriction of standard display module packaging technology, the encapsulation limit of its neighbor combination also reaches the width of 1.5mm, this width is when closely observing, visual experience is very obvious, therefore the display precision of actual visual effect is received very big restriction, be difficult to realize reaching high definition, the fine display effect, also be simultaneously because this reason, its best observed range of the whole screen of the oversize OLED display screen that Mitsubishi is delivered will be more than 3 meters, and when only having remote observation, display just can reach preferably visual effect.
For any display unit, in order to make the better visual effect of having of display, just need to make great efforts to improve the display precision of display, reduce and reduce distance between light emitting pixel, and improve the aperture opening ratio of display.Also like this for the standard of employing display module splicing making large scale OLED display screen manufacturing technology, in order to make display screen have better visual effect, must further control and dwindle the encapsulation limit of standard display module, only in this way, just can dwindle the distance between pixel cell, make display have more clearly visual effect.
Summary of the invention
The present invention is fully analyzing and is studying on the basis of adopting in the past standard display module splicing to make the various technical barriers that large scale full color OLED display technology faces, for because the wide cut on the encapsulation limit of standard display module is excessive, cause the wider problem of distance between light emitting pixel, creationary a kind of brand-new luminescent device panel packaging technology and the driver element packaging technology of providing, the standard display module that adopts present technique to make, has display precision high, the encapsulation limit is narrow, the yields high, but adopt this standard display module Optional assembling to become the display screen of full range of sizes, make the OLED technology enter indoor high-end large scale display application field.
According to technical scheme provided by the invention: the OLED display unit, comprise luminescent device panel and base plate for packaging, it is characterized in that: described luminescent device panel is provided with electrode terminal, be processed with through hole in the position one to one with electrode terminal on the described base plate for packaging, described base plate for packaging one side fits with the one side that the luminescent device panel is provided with electrode terminal, adhesion is packaged together around base plate for packaging and the luminescent device panel, pour into conductive materials in the through hole on the described base plate for packaging and cause the base plate for packaging another side and form the display unit electrode, the conducting that connects one to one of electrode terminal on described display unit electrode and the display base plate, described display unit electrode are used for being connected with driving control unit.
Through hole on the described base plate for packaging can select to be arranged at the optional position in the base plate for packaging face, is preferably disposed on the end position of base plate for packaging.No matter where its position is chosen in, its must satisfy the electric conducting material that pours into can with the lower end display floater on electrode terminal realize one by one conducting.
Among the present invention, the adhesion packaged type of described luminescent device panel and base plate for packaging can be enumerated ultraviolet curing glue bond packaging technology (UV curable sealant), laser welding packaging technology (Laser frit) mode etc. used.
Described ultraviolet curing glue bond packaging technology refers to smear ultra-violet curing glue at the desired location of luminescent device panel, after base plate for packaging is covered on the ultra-violet curing glue, by UV-irradiation and in conjunction with the mode that heats, cure package glue, thus luminescent device panel and base plate for packaging effectively are bonded together.
Described laser welds packaging technology and refers to smear laser welding glue at the desired location of luminescent device panel or base plate for packaging, after luminescent device panel and base plate for packaging covering applying, irradiation by laser, so that the phase of laser welding glue changes, thereby effectively base plate for packaging and luminescent device panel effectively are bonded together.In the concrete operations of described laser welding packaging technology, it is 300～500 ℃ glass dust (glass frit) that employed laser welding glue preferably adopts fusing point, laser welding glue is coated on around base plate for packaging or the luminescent device panel by a rubber coating, then adopt high-power laser focusing bundle irradiation, so that glass dust is melted, base plate for packaging and luminescent device panel effectively are bonded together.
The preferred employing adhesion mode of described base plate for packaging and luminescent device panel, but be not limited only to above-mentioned dual mode and technique.
Described conductive materials need possess good electric conductivity, and conductive materials can be listed below: 1, conventional various metal materials; 2, organic conductive material comprises PEDOT, PSS, Graphene etc.; 3, metallic colloid material comprises the elargol that generally is used in the solar cell industry, Cu glue etc.; 4, the ACP resin material that generally uses in liquid crystal display (LCD) industry etc.; 4, metal oxide materials comprises ITO, IZO, AZO etc.For different materials, the basic demand of its technique processing method is conductive materials can be inculcated to enter within the base plate for packaging, and can with bottom luminescent device panel on electrode terminal form path.Specifically for different materials, its processing technology can list vacuum evaporation, prints some glue, encapsulating, the modes such as sputter.The lip-deep display unit electrode of described base plate for packaging can be finished by the electrode processing technology one-shot forming of routine after the display unit encapsulation is finished, and also can finish in advance making before encapsulation.
Among the present invention, described through hole preferably is arranged on the inner side of base plate for packaging packaging line.
Among the present invention, but in order to improve the bonding strength of base plate for packaging and luminescent device panel, except with being bonded together around them, also can be as required in the center of base plate for packaging and luminescent device panel, dot matrix is selected they are bonded together.
Among the present invention, the electrode terminal on the described luminescent device panel can be arranged in around the luminescent device panel as required, also optionally centralized arrangement in an independent side of luminescent device panel, adjacent both sides or non-conterminous both sides.
In order to prevent that moisture and oxygen from entering in the OLED display unit by above-mentioned through hole, the OLED display unit is caused damage, after the OLED display unit completes, can select to have the clogged with material of water oxygen barrier performance or cover above-mentioned through hole, thereby play the purpose that stops moisture and oxygen to enter OLED display unit inside; In addition the drying material that moisture or Oxygen Adsorption are used can also be set in the inboard of base plate for packaging as required, be used for remaining steam or oxygen in the absorption OLED display unit.
The OLED display unit comprises at least one standard display module, and each standard display module comprises OLED display unit and driving control unit, it is characterized in that: described OLED display unit adopts OLED display unit of the present invention.
Described standard display module can be that monochromatic demonstration, partial color show or panchromatic demonstration.With regard to the panchromatic display mode of standard display module, the OLED display unit can have following several version: 1, pass through the respectively metal mask contraposition evaporation coating technique (Fine mask deposition) of evaporation of RGB different color; 2, employing White OLED luminescent device is luminous realizes trichromatic white light+CF technology by the redgreenblue filter coating; 3, color cycling.Deng.
For the OLED display unit that adopts color change manner, the OLED luminescent device in its luminescent device panel can be single device architecture or laminated construction, is described below respectively:
The first structure of OLED luminescent device: described OLED luminescent device is the single device architecture that only includes an organic luminescence function film layer combination, the different layers structural form that the electrode of this list device OLED luminescent device and the combination of organic luminescence function film layer can be listed below:
(1) the first electrode/luminescent layer/the second electrode;
(2) the first electrodes/hole injection layer/luminescent layer/the second electrode;
(3) the first electrodes/luminescent layer/electron injecting layer/the second electrode;
(4) the first electrodes/hole injection layer/luminescent layer/electron injecting layer/the second electrode;
(5) the first electrodes/hole injection layer/hole transmission layer/luminescent layer/electron injecting layer/the second electrode;
(6) the first electrodes/hole injection layer/hole transmission layer/luminescent layer/electron transfer layer/electron injecting layer/the second electrode.
For single device OLED luminescent device, the luminescent layer material in the organic luminescence function film layer combination can send the light of multicolour component as required simultaneously, perhaps the light of rubescent turquoise or other single color only.
For the OLED luminescent device of multiple earth complex luminescent component color structure, in order effectively to regulate the combination of carrier electric charge in luminescent layer, the doping content of the thickness of each luminescent layer of above-mentioned OLED luminescent device and object luminescent material can be regulated arbitrarily as required, or as required the different color luminescent layer is replaced stack combinations, can also between the adjacency luminescent layer, insert the electric charge of non-doping and energy barrier layer etc.
The second structure of OLED luminescent device: described OLED luminescent device is the laminated construction that includes plural organic luminescence function film layer combination, for lamination OLED luminescent device, there is the combination of many group organic luminescence function film layer between its first electrode and the second electrode, isolates by charge generating layer (also being called charge separating) between the adjacent organic luminescence function film layer combination.Lamination OLED luminescent device is compared with single device OLED luminescent device, under electric field action under the same current density driving, double number of photons can be discharged, thereby higher internal quantum can be produced, can be referring to Chinese patent CN1447629 about the detailed structure of lamination OLED luminescent device.
Among the present invention, the structure of concrete applicable lamination OLED luminescent device is listed below:
(1) first electrode/the first organic luminescence function film layer combination/charge generating layer/the second organic luminescence function film layer combination the/the second electrode;
(2) first electrodes/the first organic luminescence function film layer combination the/the first charge generating layer/the second organic luminescence function film layer combination the/the second charge generating layer/the 3rd organic luminescence function film layer combination the/the second electrode;
(3) first electrodes/the first organic luminescence function film layer combination the/the first charge generating layer/the second luminescent device organic luminescence function film layer combination the/the second charge generating layer/... N organic luminescence function film layer combination the/the second electrode;
For the luminous color of lamination OLED luminescent device, it can be the luminescent device combination of single color, it also can be the luminous component of two or more number of different types, for the combination of multicolour earth complex luminescent component, the object luminescent material of different color can be dispersed in the different organic luminescence function film layer combinations, finally make the OLED luminescent device that can meet the demands.
No matter be for single device architecture, or multilayer devices, when needing the OLED luminescent device to produce the earth complex luminescent component of two or more color, the version of its luminescent layer can be to be mixed separately among a kind of material of main part by two kinds of different object luminescent materials, and adopt the rete stack to consist of, also can be to be consisted of among a kind of material of main part by the blending of two kinds of object luminescent materials.
In the OLED luminescent device of the laminated construction of above-mentioned multiple structure, the material of described charge generating layer is selected from one or more the mixture in following structural 1 material, structural formula 2 materials, and described structural formula is:
In the above-mentioned full color OLED display module structure, should be provided with the insulating layer material material between the electrode of the OLED luminescent device of different color luminous color.
Among the present invention, having a kind of material in the object luminescent material in the described OLED luminescent device at least is the organic phosphorescent material that contains iridium, nail, platinum, rhenium and palladium metal.
Among the present invention, the type of drive of each display unit can adopt passive type to drive two kinds of (PM driving) and active drivings (AM driving) in the described display module, the preferred passive type that adopts drives, its advantage is that the electrode that consists of the standard display module is divided into data wire and scan line, and driver element is lighted and the luminosity of loudness by pulse choice and control pixel.When adopting passive type to drive, the drive circuit of display comprises the IC control chip, and the OLED luminescent device need to be kept apart mutually by dissimilar insulation insulated column, and formation can be luminous by the pixel that pulsed drive is independently controlled; When adopting active driving, the drive circuit of display comprises film crystal tube loop and IC control chip, and the film crystal tube loop needs and is connected electrode to connect at least, lighting or extinguish with switch form control OLED luminescent device.
Need to prove, the design feature that OLED display unit of the present invention and the display unit that adopts this display unit to make possess, do not affect its collocation or make up known display fabrication process technology, for example, in order to improve the contrast of display, at the further applying polaroid material in the surface of display; In order to improve display brightness, in display surface applying brightness enhancement film etc.; In addition, can also become the Pentile compound mode to the Pixel Design that consists of the OLED display, perhaps as required, the size of adjusting the pixel of different color is non-equal equidimension, perhaps Pixel Design is become " product " font or other structural forms; In addition, if the OLED display that AM drives, its type of drive can be LTPS-TFT, α-TFT or metal oxide TFT etc.In a word, technology disclosed in this invention can be compatible and utilizes the known display technology to make high performance OLED to show product.
The present invention compared with prior art, advantage is: the present invention is transplanted to packaging line with display unit electrode and the contact conductor of standard display module from the outside of packaging line inboard, can effectively reduce the packaging line on encapsulation limit, but adopt this standard display module Optional assembling to become the display unit of full range of sizes, greatly reduce the splicing seams between the standard display module in the display unit, be conducive to improve the fineness of display unit, obtain good visual effect.
Description of drawings
Fig. 1 is the structural representation of OLED display unit of the present invention before encapsulation.
Fig. 2 is the structural representation of OLED display unit of the present invention in encapsulation process.
Fig. 3 is the structural representation of OLED display unit of the present invention after encapsulation is finished.
Embodiment
The invention will be further described below in conjunction with concrete drawings and Examples.
Embodiment
Such as Fig. 1 ~ shown in Figure 3, described OLED display unit mainly comprises luminescent device panel 1 and base plate for packaging 3 two parts, described luminescent device panel 1 is provided with electrode terminal 2, be processed with through hole 4 in the position one to one with electrode terminal 2 on the described base plate for packaging 3, described base plate for packaging 3 one sides fit with the one side that luminescent device panel 1 is provided with electrode terminal 2, adhesion is packaged together around base plate for packaging 3 and the luminescent device panel 1, through hole 4 interior perfusion conductive materials on the described base plate for packaging 3 also cause base plate for packaging 3 another sides formation display unit electrode 5, the conducting that connects one to one of described display unit electrode 5 and electrode terminal 2 on the display base plate, described display unit electrode 5 is used for being connected with driving control unit.
Described luminescent device panel 1 mainly is comprised of OLED luminescent device and transparent substrates, described transparent substrates requires to have certain light transmission, the material of described transparent substrates can adopt existing conventional material to form, such as glass or polymeric material, wherein polymeric material can be selected cellulose esters, polyamide, Merlon, polyester, polystyrene, polyolefin, polysulfones, polyether sulfone, polyether-ketone, Polyetherimide, polyoxyethylene, norbornene resin etc.When using polymeric material, transparent substrates can be rigidity or flexibility.
Among the present invention, the material of described base plate for packaging 3 can be identical or different with luminescent device panel 1, also can adopt metal.
Described base plate for packaging 3 need to process through hole 4 in advance before encapsulating, preferably below 1mm, through hole 4 shapes can be circle, ellipse, square, rectangle or other shapes to the internal diameter of through hole 4.
Described luminescent device panel 1 and base plate for packaging 3 are from production process, at first to print (Nozzle print) printing upper glass powder material by nozzle by the setting position on luminescent device panel 1, then luminescent device panel 1 and base plate for packaging 3 are fit together, then adopt Ear Mucosa Treated by He Ne Laser Irradiation that glass dust is melted, luminescent device panel 1 and base plate for packaging 3 are bonded together.
For the electrode on the luminescent device panel 1 that will finish encapsulation guides to base plate for packaging 3 surfaces, can select the technology mode of encapsulating, that is to say electric conductor is modulated into colloidal materials, be poured in the through hole 4, thereby the electrode terminal 2 on the luminescent device panel 1 is guided to base plate for packaging 3 surfaces.
The OLED display unit need to connect the control driver element could consist of a complete mark display module, could realize the Picture Showing effect, the control driver element can select to be positioned over the back side of OLED display unit, can select to be positioned over the side of OLED display unit.
When display unit is that each standard display module is independently controlled the driver element except needs have separately by two or when connecting an above standard display module splicing and being made, also need with these separately independently the standard display module link.
Make embodiment 1
The manufacturing step operation:
One, luminescent device panel 1 is made:
1, makes and include anode insulated column and cathode insulated column at the ito glass substrate of interior ITO matrix grid rete, its specification is 96mm * 96mm, adjacent two sides arrange respectively electrode terminal 2 at the right angle of ito glass substrate, carry out the OLED luminescent device at the ito glass substrate of this specification and make.
2, adopt RGB metal mask alignment mode to make the rgb pixel of luminescent device panel 1, wherein the device architecture of RGB different color is as follows respectively:
R pixel: ito glass substrate/hole injection layer (thickness: 40nm; Material: structural formula 4 materials)/hole transmission layer (thickness: 20nm; Material: structural formula 5 materials)/red light emitting layer (thickness: 30nm; Material: structural formula 8 materials, structural formula 5 materials and structural formula 10 materials consist of according to the weight proportion blending of 70:23:7)/electron transfer layer (thickness: 20nm; Material: structural formula 8 materials)/electron injecting layer (thickness: 0.5nm; Material: LiF)/reflection electrode layer (thickness: 100nm; Material: Al).
G pixel: ito glass substrate/hole injection layer (thickness: 40nm; Material: structural formula 4 materials)/hole transmission layer (thickness: 20nm; Material: structural formula 5 materials)/green light emitting layer (thickness: 30nm; Material: structural formula 9 materials and structural formula 11 materials consist of according to the weight proportion blending of 92:8)/electron transfer layer (thickness: 20nm; Material: structural formula 8 materials)/electron injecting layer (thickness: 0.5nm; Material: LiF)/reflection electrode layer (thickness: 100nm; Material: Al).
B pixel: ito glass substrate/hole injection layer (thickness: 40nm; Material: structural formula 4 materials)/hole transmission layer (thickness: 20nm; Material: structural formula 5 materials)/blue light-emitting layer (thickness: 30nm; Material: structural formula 7 materials and structural formula 6 materials consist of according to the weight proportion blending of 97:3)/electron transfer layer (thickness: 20nm; Material: structural formula 8 materials)/electron injecting layer (thickness: 0.5nm; Material: LiF)/reflection electrode layer (thickness: 100nm; Material: Al).
Two, the encapsulation of luminescent device panel 1:
1, in electrode terminal 2 peripheries of above-mentioned luminescent device panel 1, be coated with and spread the cryogenic glass powder of purchasing the prosperous powder of heap of stone scientific ﹠ technical corporation in Anhui, the fusion point of this cryogenic glass powder is about 420 ℃, and the live width of the cryogenic glass powder of smearing is 300 microns.
2, base plate for packaging 3 is covered on the luminescent device panel 1 of having smeared cryogenic glass powder, on the described base plate for packaging 3 with luminescent device panel 1 on electrode terminal 2 adopt in advance the sandblast processing technology to be processed with through hole 4 in the corresponding position one by one, the internal diameter of this through hole 4 is 200 microns.
3, the laser equipment HighLight FAP System of the Japanese COHERENT of employing company product, the Ear Mucosa Treated by He Ne Laser Irradiation that sends by this equipment is coated with the position of cryogenic glass powder on base plate for packaging 3, make the cryogenic glass powder melting, luminescent device panel 1 and base plate for packaging 3 are bonded together.
4, then the 4 interior perfusion conductive materials silver pulp materials of the through hole on base plate for packaging 3 are produced on display unit electrode 5 base plate for packaging 3 surfaces.Inner in order to prevent that steam and oxygen from entering the OLED display unit by through hole 4, further put UV ultra-violet curing glue at described through hole 4, then pass through UV-irradiation, make its curing, thereby finish the making of OLED display unit, adopt the width on the encapsulation limit of the OLED display unit that above-mentioned encapsulation technology makes only to be 0.8mm, reach and realized the effect of narrow banding dress.
Three, the making of standard display module:
The control driver element that adopts Shenzhen Retop LED Display Co., Ltd. to produce couples together itself and the above-mentioned OLED display unit that completes, thereby has finished the making of standard display module; Through lighting test, the illumination effect of standard display module is good, can realize good animate effect.
With several standard display unit assembly units, namely can be made into the display unit of different sizes.
Claims (7)
1. OLED display unit, comprise luminescent device panel (1) and base plate for packaging (3), it is characterized in that: described luminescent device panel (1) is provided with electrode terminal (2), described base plate for packaging (3) is gone up and electrode terminal (2) is processed with through hole (4) on the position one to one, described base plate for packaging (3) one side fits with the one side that luminescent device panel (1) is provided with electrode terminal (2), adhesion is packaged together around base plate for packaging (3) and the luminescent device panel (1), pour into conductive materials in the through hole (4) on the described base plate for packaging (3) and cause base plate for packaging (3) another side and form display unit electrode (5), the conducting that connects one to one of electrode terminal (2) on described display unit electrode (5) and the display base plate, described display unit electrode (5) is used for being connected with driving control unit.
2. OLED display unit as claimed in claim 1, it is characterized in that: the adhesion packaged type of described luminescent device panel (1) and base plate for packaging (3) comprises ultraviolet curing glue bond packaging technology (UV curable sealant), laser welding packaging technology (Laser frit).
3. OLED display unit as claimed in claim 1, it is characterized in that: described conductive materials need possess good electric conductivity, and conductive materials can be listed below: 1, conventional various metal materials; 2, organic conductive material comprises PEDOT, PSS, Graphene; 3, metallic colloid material comprises the elargol that generally is used in the solar cell industry, Cu glue; 4, the ACP resin material that generally uses in liquid crystal display (LCD) industry; 4, metal oxide materials comprises ITO, IZO, AZO.
4. OLED display unit as claimed in claim 1, it is characterized in that: described through hole (4) is arranged on the inner side of base plate for packaging (3) packaging line.
5. OLED display unit as claimed in claim 1 is characterized in that: the electrode terminal (2) on the described luminescent device panel (1) be arranged in luminescent device panel (1) all around or centralized arrangement in an independent side of luminescent device panel (1), adjacent both sides or non-conterminous both sides.
6. OLED display unit as claimed in claim 1 is characterized in that: after the OLED display unit completed, the through hole (4) on the described base plate for packaging (3) adopted clogged with material or the capping with water oxygen barrier performance.
7.OLED display unit comprises at least one standard display module, each standard display module comprises OLED display unit and driving control unit, it is characterized in that: described OLED display unit adopts each described OLED display unit of claim 1 ~ 6.
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| CN103838448B (en) * | 2014-02-18 | 2016-08-31 | 中国科学院重庆绿色智能技术研究院 | A kind of integrated OLED touch-screen display based on Graphene |
| CN107122074A (en) * | 2017-03-28 | 2017-09-01 | 深圳欧菲光科技股份有限公司 | The preparation method of contact panel |
| CN109727539A (en) * | 2018-12-17 | 2019-05-07 | 维沃移动通信有限公司 | A kind of display module and electronic equipment |
| CN111448658A (en) * | 2017-11-09 | 2020-07-24 | 康宁公司 | Sub-display with alignment structure and tiled display made from sub-displays |
| JP2021073664A (en) * | 2014-02-28 | 2021-05-13 | 株式会社半導体エネルギー研究所 | Electronic apparatus |
| CN113707834A (en) * | 2021-07-28 | 2021-11-26 | 信利（惠州）智能显示有限公司 | Method for improving Frit sintering effect |
| CN113990212A (en) * | 2020-07-27 | 2022-01-28 | 北京芯海视界三维科技有限公司 | Light-emitting module and display device |
| CN114005376A (en) * | 2020-07-27 | 2022-02-01 | 北京芯海视界三维科技有限公司 | Light-emitting module and display device |
| WO2022022268A1 (en) * | 2020-07-27 | 2022-02-03 | 北京芯海视界三维科技有限公司 | Light-emitting module and display device |
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| CN114005376A (en) * | 2020-07-27 | 2022-02-01 | 北京芯海视界三维科技有限公司 | Light-emitting module and display device |
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