CN103904096A - Double-face OLED display panel and manufacturing method - Google Patents

Double-face OLED display panel and manufacturing method Download PDF

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Publication number
CN103904096A
CN103904096A CN201210580918.9A CN201210580918A CN103904096A CN 103904096 A CN103904096 A CN 103904096A CN 201210580918 A CN201210580918 A CN 201210580918A CN 103904096 A CN103904096 A CN 103904096A
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conductive pad
substrate
oled module
oled
drive
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CN103904096B (en
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李玉军
赵本刚
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Shanghai Tianma Microelectronics Co Ltd
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Shanghai Tianma Microelectronics Co Ltd
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Abstract

The invention discloses a double-face OLED display panel and a manufacturing method. The double-face OLED display panel comprises a first OLED module and a first conductive pad which are disposed on a first substrate and a second OLED module and a second conductive pad which are disposed on a second substrate, wherein the first OLED module and the second OLED module are attached together in an opposite mode, and the first conductive pad and the second conductive pad are disposed at the same side of a display panel and are arranged to be opposite to each other; and a first driving IC disposed on the second substrate and a second driving IC, wherein the first driving IC disposed on the second substrate is connected with the first conductive pad and drives the first OLED module on the first substrate through the first conductive pad electrically connected with the second conductive pad, and the second driving IC is not connected with the second conductive pad on the second substrate and directly drives the second OLED module for realizing control of different OLED modules by different ICs. The double-face OLED display panel and the manufacturing method can realize double-face display, reduce the peripheral dimension of an OLED, comprehensively utilize light energy, and save production manufacturing time.

Description

Double-sided OLED display floater and manufacture method
Technical field
The present invention relates to double-sided OLED Display Technique field, relate in particular to a kind of double-sided OLED display floater and manufacture method thereof.
Background technology
Along with the progress of communication and the evolution of electronic product, except the constantly research and development and improvement of the reaction speed at display, resolution and image quality each side, more pursue the breakthrough on function or display mode.Wherein, day by day increase for the demand of Double-screen display, make the OLED with double-sided display function cause people's extensive concern.
For traditional double screen OLED Display Technique, great majority with two independently OLED display be combined into one group of double screen OLED display, need will be independently display encapsulate individually, more in addition combination, adheres to each other two light-emitting devices.Can cause like this increase on technique and cost, also lose light, thin, short, the little requirement that current electronic product is pursued simultaneously.
In prior art, publication number is that the Chinese patent of CN101729488A has proposed a kind of double-sided OLED display, combined according to matrix structure by M light emitting pixel unit of N ╳, on the basic unit of each light-emitting pixels unit, be laminated with two groups and drive thin-film transistor and two-layer Organic Light Emitting Diode, the lighttight reflector being made up of insulating material one deck between two-layer Organic Light Emitting Diode separates, wherein one group drives thin-film transistor by the anodic bonding of its source or drain electrode and one deck organic light emitting diode, another group drives thin-film transistor to run through the anodic bonding of reflector and another layer of organic light emitting diode by its source or drain electrode.This technology can realize the two-sided independent luminescence display of display, but still has complex process, the problem that cost is high, and the Outside Dimensions of OLED also can increase simultaneously.
Summary of the invention
The object of the invention is to propose a kind of double-sided OLED display floater and manufacture method thereof, can show unlike signal by positive and negative; Reduce the Outside Dimensions of OLED, improve product competitiveness; And save the manufacturing time, simplify production difficulty, advance volume production summary process.
For reaching this object, embodiments of the invention provide a kind of double-sided OLED display floater, comprising: first substrate, the second substrate being oppositely arranged with described first substrate; Be arranged at an OLED module, the first conductive pad on described first substrate, a described OLED module is electrically connected with described the first conductive pad; Be arranged at the 2nd OLED module, the second conductive pad on described second substrate, described the 2nd OLED module is electrically connected with described the second conductive pad, and described the first conductive pad and described the second conductive pad are positioned at described double-sided OLED display floater homonymy.
In a kind of embodiment, display floater also comprises the anisotropy conductiving glue of described the first conductive pad of electrical connection and described the second conductive pad; On described first substrate or second substrate, be provided with peripheral components connecting lead wire district, the peripheral leads that described peripheral components connecting lead wire district arranges is electrically connected with a described OLED module or the 2nd OLED module by described the first conductive pad or described the second conductive pad, or is directly electrically connected with a described OLED module or the 2nd OLED module.
Further, described peripheral components connecting lead wire district arrange peripheral leads also with drive a described OLED module the first drive IC and drive the second drive IC of described the 2nd OLED module to be electrically connected; Described the first drive IC is also connected with the first flexible printed circuit board FPC that it is controlled; Described the second drive IC is also connected with the second flexible printed circuit board FPC that it is controlled.
In another embodiment, on described first substrate and described second substrate, be provided with peripheral components connecting lead wire district; First substrate arranges the first peripheral components connecting lead wire district, and second substrate arranges the second peripheral components connecting lead wire district; Described the first conductive pad is arranged in described the first peripheral components lead district; Described the second conductive pad is arranged in described the second peripheral components lead district.
Further, the peripheral leads that described the first peripheral components lead district arranges is also electrically connected with the first drive IC that drives a described OLED module; The peripheral leads that described the second peripheral components lead district arranges is also electrically connected with the second drive IC that drives described the 2nd OLED module; Described the first drive IC is also connected with the first flexible printed circuit board FPC that it is controlled; Described the second drive IC is also connected with the second flexible printed circuit board FPC that it is controlled.
In above-mentioned two embodiment, display floater also comprises the reflectance coating being arranged between a described OLED module and described the 2nd OLED module.
Further, described reflectance coating is stacked between a described OLED module and described the 2nd OLED module.
Further, this reflectance coating all scribbles transparent desiccant with respect to described OLED module one side with relative described the 2nd OLED module one side.
Display floater also comprises: for the sealed plastic box between bonding described first substrate and described second substrate, the thickness of described sealed plastic box is not less than the thickness of described reflectance coating.
For solving the problems of the technologies described above, embodiments of the invention also provide a kind of manufacture method of double-sided OLED display floater, comprising: the first conductive pad of making an OLED module and be electrically connected with a described OLED module on first substrate; The second conductive pad of making the 2nd OLED module and be electrically connected with described the 2nd OLED module on second substrate; Described the first conductive pad and described the second conductive pad are produced on to described double-sided OLED display floater homonymy.
In a kind of embodiment, the method also comprises: between described the first conductive pad and the second conductive pad, apply anisotropy conductiving glue, described the first conductive pad is electrically connected with described the second conductive pad; And on described first substrate or second substrate, make peripheral components lead district, the peripheral leads that described peripheral components connecting lead wire district arranges is electrically connected with described the first conductive pad or described the second conductive pad.
In another kind of embodiment, the method also comprises: on described first substrate and second substrate, make respectively peripheral components lead district; And described the first conductive pad is produced on to the first peripheral leads district of described first substrate, be electrically connected with the first drive IC that drives a described OLED module; Described the second conductive pad is produced on to the second peripheral leads district of described second substrate, is electrically connected with the first drive IC that drives a described OLED module.
On the basis of above-mentioned two embodiment, the method also comprises: have the reflectance coating of transparent desiccant to be attached between a described OLED module and described the 2nd OLED module coated on both sides.
Further, the method also comprises: before the described OLED module of laminating and the 2nd OLED module, be not less than the sealed plastic box of described reflectance coating thickness at the peripheral coating thickness of a described OLED module.
Compared with prior art, the conductive pad by two OLED modules of the present invention is arranged on the homonymy of display floater, thereby can reduce more greatly panel size, improves the market competitiveness.
Brief description of the drawings
Fig. 1 is the structure chart of the double-sided OLED panel in specific embodiment 1.
Fig. 2 is the partial enlarged drawing of Fig. 1.
Fig. 3-9 are for manufacturing the sectional view of double-sided OLED panel in specific embodiment 1.
Figure 10-11 are the vertical view of the double-sided OLED panel in specific embodiment 2.
Figure 12-13 are the sectional view of the manufacture double-sided OLED panel in specific embodiment 2.
The technical characterictic that Reference numeral in figure refers to is respectively:
11,21: substrate, 12: the OLED modules, 22: the two OLED, 13: the first conductive pads, 23: the second conductive pads, 14,24: drive IC, 15,25,51: flexible printed circuit board (FPC), 4: reflectance coating, 5: encapsulated layer, 6: pad, 7: transparent desiccant, 9: sealed plastic box, 31: thermal head, 41:IC, 61: silica gel equipment.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.Be understandable that, specific embodiment described herein is only for explaining the present invention, but not limitation of the invention.It also should be noted that, for convenience of description, in accompanying drawing, only show part related to the present invention but not entire infrastructure.
The OLED module and the 2nd OLED module that in following each specific embodiment, adopt are all conventional OLED modular structure, comprise negative electrode, electron injecting layer, electron transfer layer, luminescent layer, hole transmission layer, hole injection layer etc.
Fig. 1 is the structure chart of the double-sided OLED display floater of the present embodiment, the partial enlarged drawing that Fig. 2 is Fig. 1.
As illustrated in fig. 1 and 2, double-sided OLED display floater of the present invention comprises: first substrate 11, second substrate 21, and be arranged on an OLED module 12, the first conductive pad 13 on first substrate 11, the 2nd OLED module 22, the second conductive pad 23 on second substrate 21 are set.The first conductive pad 13 is electrically connected with an OLED module 12, and the second conductive pad 23 is electrically connected with the 2nd OLED module 22.In the present invention, the first conductive pad 13 and the second conductive pad 23 are arranged on the homonymy of display floater, thereby can reduce the size of whole panel, improve the market competitiveness of panel.
In a kind of execution mode, first, second substrate is glass substrate, can certainly be other insulated substrates, as plastic substrate.
Be arranged on the first conductive pad 13 on first substrate 11 and be arranged on the second conductive pad 23 on second substrate 21 in display floater homonymy, and two conductive pads are in relative position.
The second conductive pad 23 on the first conductive pad 13 and the second substrate 21 of first substrate 11, in display floater homonymy, can dwindle apparent size in the situation that not reducing active luminous zone, adapts to trend of the market, improves the competitiveness of product.
In a kind of embodiment, anisotropy conductiving glue 5, the first conductive pads 13 and the second conductive pad 23 are set between the first conductive pad 13 and the second conductive pad 23 and are electrically connected by this anisotropy conductiving glue 5.Thereby, peripheral components connecting lead wire district 6 can be set on first substrate 11 or second substrate 21, the peripheral leads that this peripheral components connecting lead wire district arranges is electrically connected with the first conductive pad 13 or the second conductive pad 23, and this peripheral leads also with peripheral components, as IC drive circuit and flexible PCB FPC electrical connection.Drive in the present embodiment an IC drive circuit and the first flexible PCB FPC of an OLED module 12, drive the 2nd IC drive circuit of the 2nd OLED module 22 and the second flexible PCB FPC to be all connected with the peripheral leads that the peripheral components connecting lead wire district 6 arranging on first substrate 11 or second substrate 21 arranges.Thereby can save the technique of crimping peripheral components, once can two groups of peripheral circuits of crimping, save time, enhance productivity.Please refer to Fig. 8, in Fig. 8, peripheral lead district 6 is arranged on the region that the relative first substrate 11 of second substrate 21 lengthens.It should be noted that, be only example explanation in figure, and the peripheral leads arranging in peripheral leads district 6 is electrically connected with the second conductive pad 23.
It should be noted that, the peripheral leads district 6 being arranged in the present embodiment on first substrate 11 or second substrate 21 can be electrically connected with an OLED module 12 or the 2nd OLED module 22 by the first conductive pad 13 or the second conductive pad 23, also can directly be electrically connected with an OLED module 12 or the 2nd OLED module 22.
In another embodiment, between the first conductive pad 13 and the second conductive pad 23, there is no to arrange the anisotropy conductiving glue that the two is electrically connected.But on first substrate 11 and second substrate 21, peripheral components connecting lead wire district (not shown in legend) is all set, and what first substrate 11 arranged is the first peripheral components connecting lead wire district, what second substrate 21 arranged is the second peripheral components connecting lead wire district.The first conductive pad 13 is arranged in the first peripheral components lead district, and the second conductive pad 23 is arranged in the second peripheral components lead district.Certainly in the present embodiment, the first conductive pad 13 and the second conductive pad 23 are still arranged on display floater homonymy.The first conductive pad 13, except being electrically connected with an OELD module 12, is also electrically connected with the first flexible PCB FPC that drives the first drive IC of an OLED module 12 and control this first drive IC.The second conductive pad 23, except being electrically connected with the 2nd OELD module 22, is also electrically connected with the first flexible PCB FPC that drives the first drive IC of the 2nd OLED module 22 and control this first drive IC.The present embodiment can drive separately two OLED modules physically, simplified driving circuit design.
Further, in above-mentioned two embodiment, an OLED module 12, with the 2nd OLED module 22 is relative fits together, arranges reflectance coating 4 between them, has transparent desiccant 7 at the positive and negative of reflectance coating 4.Thereby make full use of light source and avoid light leak.
In addition, be also provided with the sealed plastic box that connects two OLED modules, and the thickness of this sealed plastic box is advisable to be not less than reflectance coating thickness.
Anisotropy conductiving glue is again anisotropic conductive adhesive, ACA, ACP etc.ACA has represented first Main Branches of polymer bonds mixture, and the anisotropy of conducting resinl makes material have single conducting direction perpendicular to the direction of Z axis.This direction conductivity is that the conductive filling material (5%-20% scope) by using relatively low capacity reaches, here the result that capacity relative is lower causes intercrystalline contact insufficient, make conducting resinl conductivity variation in x-y plane, and the viscose glue of Z axis, no matter be with form of film or with viscose glue form, between surface to be connected, intert.When this stacked structure is applied to heat and pressure, will cause the conductive particle being applied between conductive surface on two elements to be captured.Once produce electronics continuity, by chemical reaction (hot curing) or by cooling (thermoplastic materials), electric insulating copolymer is hardened, electric insulation polymeric material after sclerosis sticks together two elements, and helps to maintain the contact between element surface and conductive particle.
In the present embodiment, the conducting particles diameter of the anisotropy conductiving glue of selection, at 1/4-1/3 times of the width of first conductive pad 13 that will connect, is preferably 1/4 times, so that the conducting the best between the first conductive pad 13 and the second conductive pad 23.
Below with reference to the manufacture method of Fig. 3-9 explanation double-sided OLED display floater.
First on substrate 11, make an OLED module 12 and the first conductive pad 13, as shown in Figure 3.Then adopt identical technique on substrate 21, to make the 2nd OLED module 22 and second this operation of conductive pad 23(is not shown).The homonymy of the second conductive pad 23 in display floater on the first conductive pad 13 and the substrate 21 of substrate 11, does the apparent size that can dwindle product like this.
Then the reflectance coating 4 that positive and negative is scribbled to transparent desiccant 7 is attached to effective luminous zone of an OLED module 12, as shown in Figure 4.The concrete artwork that applies transparent desiccant 7 on reflectance coating 4 as shown in Figure 5, has adopted silica gel equipment 61 that transparent desiccant 7 is spread upon above reflectance coating 4 equably.The material of this transparent desiccant is silica gel.
Between an OLED module 12 and the 2nd OLED module 22, reflectance coating 4 is set, can prevent the light loss that does not have catoptric arrangement to cause after OLED light leak, luminous energy is carried out to comprehensive utilization, and the present embodiment has improved double-sided display and can not share the problem of reflectance coating and drier first.
Then in the peripheral surrounding coating of first substrate sealed plastic box 9, the material of sealed plastic box is ultraviolet ray (UV) glue.As shown in Figure 6, the thickness of glue is determined according to the concrete thickness of reflectance coating, is advisable with the thickness that is not less than reflectance coating.
Anisotropy conductiving glue 5 is smeared in conductive pad district at an OLED module 12 of substrate 11, the thickness of anisotropy conductiving glue is the UV glue thickness of 1.2 times, as shown in Figure 7, the object of doing is like this to give particle in anisotropy conductiving glue to have 20% pressing modification amount, the diameter of particle be the conductive pad that will connect width 1/4-1/3 doubly, be preferably 1/4 times, so that the conducting the best between the first conductive pad 13 and the second conductive pad 23.
Then, the 2nd OLED module 22 on substrate 21 is carried out to relative laminating with the OLED module 12 on substrate 11, if the second conductive pad 23 on the first conductive pad 13 on substrate 11 and substrate 21 is corresponding, as shown in Figure 8.On substrate 21, form pad 6, carry drive IC for the making of module afterwards simultaneously.
The one OLED module 12 is carried out after relative laminating with the 2nd OLED module 22, and pressurize baking and UV irradiation process, make its encapsulation in conjunction with closely, is respectively out of shape the connection conducting of 20%, the first conductive pad 13 and the second conductive pad 23 to conducting particles.As shown in Figure 9.
Finally adopt conventional cutting technique that the panel of making is above cut into cellular unit.
Figure 10 is the vertical view of the double-sided OLED panel of the present embodiment.
Double-sided OLED panel in the present embodiment comprises the double-sided OLED panel in specific embodiment 1.Specifically be included in the OLED module 12 on substrate 11, the 2nd OLED module 22 on substrate 21, the substrate is here all glass substrate.The first conductive pad 13 on substrate 11, the second conductive pad 23 on substrate 21.With the 2nd OLED module 22 is relative fits together, there is reflectance coating 4 in the one OLED module 12, have transparent desiccant at the positive and negative of reflectance coating 4 between them.The first conductive pad 13 on substrate 11 and the same side of the second conductive pad 23 on substrate 21 in an OLED module 12 and the 2nd OLED module 22, and two conductive pads are in relative position, between two conductive pads, having anisotropy conductiving glue 5, the first conductive pads 13 and the second conductive pad 23 is to realize electrical connection by this anisotropy conductiving glue.As depicted in figs. 1 and 2.
Simultaneously double-sided OLED panel also comprises and is positioned at drive IC 14 and 24 on substrate 21, the flexible printed circuit board (FPC) 15 and 25 being connected with drive IC 14 and 24 respectively.Wherein drive IC 14 is for driving the OLED module 12 on substrate 11, and drive IC 24 is for driving the 2nd OLED module 22 on substrate 21.Drive IC 14 is connected with the second conductive pad 23, and the second conductive pad 23 is connected with the first conductive pad 13 by anisotropy conductiving glue 5, thereby drive IC 14 realizes and being connected of substrate 11, and drives an OLED module 12.
As overlook as shown in Figure 10, the area of substrate 21 is greater than the area of substrate 11, in Figure 10, black part is divided into the area of substrate 11, also be the part that substrate 21 is covered by substrate 11 simultaneously, Figure 10 bend part is the part that substrate 21 is not covered by substrate 11, is also the drive IC 14 of an OLED module 12 and the residing position of drive IC 24 of the 2nd OLED module 22.Drive IC 14 is connected with FPC15, and drive IC 24 is connected with FPC25, for carrying data to drive IC.
As shown in figure 11, the drive IC 14 of an OLED module 12 is positioned on substrate 21, placed side by side with drive IC 24, is convenient to so once complete crimping, saves operation.Drive IC 14 is connected in the second conductive pad 23 on substrate 21, the second conductive pad 23 is electrically connected with the first conductive pad 13 on substrate 11 by anisotropy conductiving glue 5 again, drive IC 14 has just realized and being electrically connected of the first conductive pad 13 on substrate 11 like this, has realized the driving to an OLED module 12.And drive IC 24 is positioned on substrate 21, be not connected with the second conductive pad 23 on substrate 21, be directly connected with substrate 21 by the pad 6 on second substrate, realize the driving to the 2nd OLED module 22.Drive IC 14 and drive IC 24 are controlled respectively an OLED module 12 and the 2nd OLED module 22 like this, and both non-interference functions, can present different images.
Below with reference to the manufacture method of Figure 12-13 explanation double-sided OLED display floater.
First carry out the making of double-sided OLED display floater, be specially and on substrate 11, make an OLED module 12 and one end the first conductive pad 13, then adopt identical technique on substrate 21, to make the 2nd OLED module 22 and the second conductive pad 23.
Then the reflectance coating 4 that positive and negative is scribbled to transparent silica gel drier is attached to effective luminous zone of an OLED module 12.
Then in the peripheral surrounding coating of first substrate sealed plastic box 9, the material of sealed plastic box is UV glue, and the thickness of glue is determined according to the concrete thickness of reflectance coating, is advisable with the thickness that is not less than reflectance coating.Anisotropy conductiving glue 5 is smeared in conductive pad district at an OLED module 12 of substrate 11, and the thickness of anisotropy conductiving glue is the UV glue thickness of 1.2 times, and the object of doing is like this to give particle in anisotropy conductiving glue to have 20% pressing modification amount.
Then, the 2nd OLED module 22 on substrate 21 is carried out to relative laminating with the OLED module 12 on substrate 11, make the second conductive pad 23 on the first conductive pad 13 and the substrate 21 on substrate 11 corresponding.On substrate 21, form pad 6, carry drive IC for making afterwards simultaneously.
The one OLED module 12 is carried out after relative laminating with the 2nd OLED module 22, and pressurize baking and UV irradiation process, make its encapsulation in conjunction with closely, is respectively connected conducting to conducting particles distortion 20%, the first conductive pad 13 with the second conductive pad 23.Finally adopt conventional cutting technique to cut into cellular unit.
Next utilize anisotropy conductiving glue (ACF) precompressed drive IC 14 and 24, ACF being electrically connected for IC and glass substrate on substrate 21.Now just substrate linkage function is non-interference for drive IC 14 and 24.Adopt a thermal head 31 to carry out while crimping, can save 6 seconds/sheet of activity time.As shown in figure 12, in figure, 41 are signals of drive IC 14 and 24.
Then recycle a thermal head 31 of ACF main pressure FPC15 and 25, ACF being electrically connected for FPC and glass substrate simultaneously.As shown in figure 13, in figure, 51 are signals of FPC15 and 25.Now FPC15 and 25 non-interference circuit functions, just middle flexible membrane base entire body, the object of doing is like this for once completing the crimping of flexible sheets on glass substrate.In a preferred implementation of the present embodiment, adopt above-mentioned operation can save 12 seconds/sheet of activity time, and also the non-interference function of double-sided display, controlled by different IC, can present different complicated images.
In the present embodiment, adopt a thermal head to complete the crimping of two IC and two FPC, greatly saved the process time of cohesive process.
Note, above are only preferred embodiment of the present invention and institute's application technology principle.Skilled person in the art will appreciate that and the invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious variations, readjust and substitute and can not depart from protection scope of the present invention.Therefore, although the present invention is described in further detail by above embodiment, the present invention is not limited only to above embodiment, in the situation that not departing from the present invention's design, can also comprise more other equivalent embodiment, and scope of the present invention is determined by appended claim scope.

Claims (14)

1. a double-sided OLED display floater, comprising: first substrate, the second substrate being oppositely arranged with described first substrate; Be arranged at an OLED module, the first conductive pad on described first substrate, a described OLED module is electrically connected with described the first conductive pad; Be arranged at the 2nd OLED module, the second conductive pad on described second substrate, described the 2nd OLED module is electrically connected with described the second conductive pad, it is characterized in that,
Described the first conductive pad and described the second conductive pad are positioned at described double-sided OLED display floater homonymy.
2. display floater as claimed in claim 1, is characterized in that, also comprises the anisotropy conductiving glue of described the first conductive pad of electrical connection and described the second conductive pad;
On described first substrate or second substrate, be provided with peripheral components connecting lead wire district, the peripheral leads that described peripheral components connecting lead wire district arranges is electrically connected with a described OLED module or the 2nd OLED module by described the first conductive pad or described the second conductive pad, or is directly electrically connected with a described OLED module or the 2nd OLED module.
3. display floater as claimed in claim 2, is characterized in that, described peripheral components connecting lead wire district arrange peripheral leads also with drive a described OLED module the first drive IC and drive the second drive IC of described the 2nd OLED module to be electrically connected;
Described the first drive IC is also connected with the first flexible printed circuit board FPC that it is controlled; Described the second drive IC is also connected with the second flexible printed circuit board FPC that it is controlled.
4. display floater as claimed in claim 1, is characterized in that, is provided with peripheral components connecting lead wire district on described first substrate and described second substrate; First substrate arranges the first peripheral components connecting lead wire district, and second substrate arranges the second peripheral components connecting lead wire district;
Described the first conductive pad is arranged in described the first peripheral components lead district; Described the second conductive pad is arranged in described the second peripheral components lead district.
5. display floater as claimed in claim 4, is characterized in that, the peripheral leads that described the first peripheral components lead district arranges is also electrically connected with the first drive IC that drives a described OLED module;
The peripheral leads that described the second peripheral components lead district arranges is also electrically connected with the second drive IC that drives described the 2nd OLED module;
Described the first drive IC is also connected with the first flexible printed circuit board FPC that it is controlled; Described the second drive IC is also connected with the second flexible printed circuit board FPC that it is controlled.
6. the display floater as described in claim 1-5 any one, is characterized in that, also comprises the reflectance coating being arranged between a described OLED module and described the 2nd OLED module.
7. double-sided OLED display floater according to claim 6, is characterized in that, described reflectance coating is stacked between a described OLED module and described the 2nd OLED module.
8. display floater according to claim 7, is characterized in that, this reflectance coating all scribbles transparent desiccant with respect to described OLED module one side with relative described the 2nd OLED module one side.
9. display floater according to claim 8, is characterized in that, also comprises:
For the sealed plastic box between bonding described first substrate and described second substrate, the thickness of described sealed plastic box is not less than the thickness of described reflectance coating.
10. a manufacture method for double-sided OLED display floater, comprising: the first conductive pad of making an OLED module and be electrically connected with a described OLED module on first substrate; The second conductive pad of making the 2nd OLED module and be electrically connected with described the 2nd OLED module on second substrate; It is characterized in that,
Described the first conductive pad and described the second conductive pad are produced on to described double-sided OLED display floater homonymy.
11. methods as claimed in claim 10, is characterized in that, the method also comprises:
Between described the first conductive pad and the second conductive pad, apply anisotropy conductiving glue, described the first conductive pad is electrically connected with described the second conductive pad;
And on described first substrate or second substrate, make peripheral components lead district, the peripheral leads that described peripheral components connecting lead wire district arranges is electrically connected with described the first conductive pad or described the second conductive pad.
12. methods as claimed in claim 10, is characterized in that, the method also comprises:
On described first substrate and second substrate, make respectively peripheral components lead district; And
Described the first conductive pad is produced on to the first peripheral leads district of described first substrate, is electrically connected with the first drive IC that drives a described OLED module;
Described the second conductive pad is produced on to the second peripheral leads district of described second substrate, is electrically connected with the first drive IC that drives a described OLED module.
13. methods as described in claim 10-12 any one, is characterized in that, the method also comprises:
There is the reflectance coating of transparent desiccant to be attached between a described OLED module and described the 2nd OLED module coated on both sides.
The manufacture method of 14. double-sided OLED display floaters according to claim 13, is characterized in that, the method also comprises:
Before the described OLED module of laminating and the 2nd OLED module, be not less than the sealed plastic box of described reflectance coating thickness at the peripheral coating thickness of a described OLED module.
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CN106597774A (en) * 2016-12-28 2017-04-26 武汉华星光电技术有限公司 Double-face display apparatus
TWI629622B (en) * 2017-04-17 2018-07-11 承洺股份有限公司 Attached optical film applied technology of display device
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