CN202487668U - Organic light-emitting diode (OLED) display device and display system thereof - Google Patents
Organic light-emitting diode (OLED) display device and display system thereof Download PDFInfo
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- CN202487668U CN202487668U CN2012200192347U CN201220019234U CN202487668U CN 202487668 U CN202487668 U CN 202487668U CN 2012200192347 U CN2012200192347 U CN 2012200192347U CN 201220019234 U CN201220019234 U CN 201220019234U CN 202487668 U CN202487668 U CN 202487668U
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Abstract
The utility model discloses an organic light-emitting diode (OLED) display device and a display system thereof. The OLED display device and the display system thereof are used for achieving the compatibility between ordinary opaque display and transparent display of the OLED display device, and achieving the switch between ordinary opaque display effect and transparent display effect. The OLED display device comprises a transparent OLED display panel and a light valve component, and the light valve component is arranged on a non-display surface of the transparent OLED display panel and provided with at least two statuses which comprise a transparent status and an opaque status by the action of electric field.
Description
Technical field
The utility model relates to the Display Technique field, relates in particular to a kind of organic LED display device and display system.
Background technology
Organic Light Emitting Diode (OLED, Organic Light-Emitting Diode) Display Technique is a kind of new technology of flat, has in light weight, thin thickness, high brightness, high efficiency, colour gamut is wide and respond fast characteristics.
The OLED display floater mainly comprises substrate, be used to inject first electrode of first polarity charge, be arranged in and be used on first electrode to inject and second electrode of first opposite polarity second polarity charge and be arranged in the organic luminous layer between first and second electrodes.When after applying suitable bias voltage between two electrodes,, reach the purpose of demonstration through charge carrier (electronics and hole) injection, transmission and the compound organic luminous layer stimulated luminescence that causes.A kind of concrete realization framework of OLED display unit mainly comprises substrate 101, reflector 102, anode 103, hole injection layer 104, hole transmission layer 105, luminescent layer 106, electron injecting layer 107, resilient coating 108 and negative electrode 109 shown in accompanying drawing 1.Wherein, the display brightness of OLED can be improved in reflector 102.
But existing OLED display unit or be only can realize transparent display effect promptly when seeing normal display data, can be seen the object that is positioned at after the display unit, but can't carry out common nontransparent demonstration; Be exactly only to realize common nontransparent display effect; And can't carry out transparent demonstration; That is to say can't compatible transparent demonstration and common nontransparent demonstration in an OLED display unit, has brought bigger limitation to a certain degree for user's use.
The utility model content
The utility model provides a kind of organic LED display device and display system; In order to the common nontransparent demonstration of realization organic LED display device and the compatibility of transparent display effect, can realize the switching between common nontransparent demonstration and the transparent demonstration.
The concrete technical scheme that the utility model embodiment provides is following:
A kind of organic LED display device comprises: transparent Organic Light Emitting Diode OLED display floater and light valve device;
Has said light valve device on the non-display surface of said transparent OLED display floater;
Said light valve device has two states at least under effect of electric field, said two states at least comprises clear state and nontransparent attitude.
A kind of display system comprises above-mentioned display unit.
Based on technique scheme; Among the utility model embodiment; Through on the non-display surface of OLED display floater, light valve device being set, this light valve device has clear state and nontransparent attitude two states at least under effect of electric field, thereby can realize the switching between common nontransparent demonstration of display unit and the transparent demonstration through light valve device; Be that display unit can compatible common nontransparent demonstration and transparent demonstration; And, the characteristics that light valve device can combine in light weight, the thin thickness of OLED itself are set on the non-display surface of OLED, improve user experience.
Description of drawings
Fig. 1 is the cross-sectional view of a kind of concrete realization of OLED display unit in the prior art;
Fig. 2 is the cross-sectional view of OLED display unit in the present embodiment;
Fig. 3 is the cross-sectional view of light valve device in the present embodiment;
Fig. 4 is each view of PDLC light shutter device in the present embodiment;
Fig. 5 is each view of cholesteric liquid crystal light shutter device in the present embodiment;
Fig. 6 is electric each view of wetting light shutter device in the present embodiment;
Fig. 7 is each view of electric ink light shutter device in the present embodiment;
Fig. 8 is an electrode structure sketch map of realizing the light valve device of local transparent demonstration in the present embodiment;
Fig. 9 is an OLED display unit manufacture method flow chart in the present embodiment;
Figure 10 is the concrete cross-sectional view of OLED display unit in the present embodiment;
Figure 11 is a kind of concrete structure sketch map of display in the present embodiment;
Figure 12 is the structural representation of portable computer in the present embodiment.
Embodiment
For the common nontransparent demonstration that realizes organic LED display device and the compatibility of transparent demonstration; Can realize the switching between common nontransparent demonstration and the transparent demonstration, the utility model embodiment provides a kind of organic LED display device and display system.
Below in conjunction with accompanying drawing the utility model preferred embodiment is elaborated.
Shown in accompanying drawing 2, the organic LED display device that the utility model embodiment provides mainly comprises transparent OLED display floater 20 and light valve device 21, wherein, has light valve device 21 on the non-display surface of transparent OLED display floater 20; Light valve device 21 has two states at least under effect of electric field, this comprises clear state and nontransparent attitude in two states at least.Particularly, transparent OLED display floater 20 comprises first substrate 201 and is set in turn in first electrode 202 on first substrate 201, first transport layer 203, luminescent layer 204, second transport layer 205 and second electrode 206.
Wherein, when light valve device 21 was nontransparent attitude, at this moment, the user only can see the normal data presented content of display unit through the OLED display floater; And when light valve device 21 is clear state; Under the effect of surround lighting; The user can see through OLED display floater and light valve device and see the display article that are positioned at after the light valve device, and the while does not influence the normal demonstration of display unit to data itself yet, thereby reaches the effect of transparent demonstration; Make the user when watching the display unit video data; Can observe the article or the extraneous active situation that are positioned at after the display unit, light valve device 21 makes the display unit can compatible common nontransparent demonstration and transparent demonstration, can realize the switching between transparent demonstration and the common nontransparent demonstration.
The nontransparent attitude that light valve device had can be scattering states or black attitude at least, and light valve device can further play the effect of reflecting plate for scattering states the time, improves the light output of common nontransparent demonstration, improves display effect.
In the present embodiment; Shown in accompanying drawing 3; Light valve device 21 comprises second substrate 301, be arranged at second substrate 301 third electrode 302, the 3rd substrate 303, be arranged at the 4th electrode 304 of the 3rd substrate 303 and the display medium 305 between third electrode 302 and the 4th electrode 304.In the practical application, second substrate, the 3rd substrate, third electrode and the 4th electrode all adopt transparent material.
In one implementation, can first substrate 201 of OLED display floater, second substrate 301 as light valve device 21 promptly be provided with third electrode 302 at first substrate on a side of light valve device.
Preferably; Light valve device can be PDLC (Polymer Dispersed Liquid Crystal, PDLC) light shutter device, cholesteric liquid crystal light shutter device, electrochromism (eletrochromism, EC) any one in the light shutter device of light shutter device, electric wetting light shutter device and band polarizer at least; Wherein, The light shutter device of band polarizer can be at least twisted nematic (Twisted Nematic, TN), the vertical orientation type (Vertical Alignment, VA), plane conversion type (In-plane Switching; IPS), fringe field switching type (Fringe Field Switching, FFS) etc.
For example, shown in accompanying drawing 4, when light valve device was the PDLC light shutter device, if do not apply voltage, then PDLC was in scattering states, is in clear state when between third electrode and the 4th electrode, applying predetermined voltage.
Again for example, shown in accompanying drawing 5, when light valve device is the cholesteric liquid crystal light shutter device, be in scattering states when between third electrode and the 4th electrode, applying first predetermined voltage, be in clear state when between third electrode and the 4th electrode, applying second predetermined voltage.The pitch of cholesteric liquid crystal is p, and effective refractive index is n, and then the bragg reflection wavelength of this light shutter device can be expressed as: λ=np satisfying bragg reflection wavelength not in visible-range the time, can make visible light all pass through.This light shutter device has two kinds of stable states, and when initial, second substrate and the 3rd substrate are parallel-oriented; Liquid crystal is the planar texture stable state, shown in (a) in the accompanying drawing 5, forms the conical texture stable state of liquid crystal when between third electrode and the 4th electrode, applying low-voltage; Shown in (b) in the accompanying drawing 5, this moment, this light shutter device was a scattering states, and then when between third electrode and the 4th electrode, applying high voltage; Liquid crystal molecule is vertical orientated along electric field, and light can all pass through, and light shutter device is clear state; Shown in (c) in the accompanying drawing 5; If behind the liquid crystal distributional stability, remove voltage fast, when forming the minimum planar texture mode of energy, this switching device still is a clear state.
Again for example, when light valve device is the electrochromism light shutter device, when not applying voltage, be in clear state, be in scattering states when between third electrode and the 4th electrode, applying predetermined voltage.The electrochromism light shutter device mainly utilizes reversible redox reaction, makes material molecule under different valence state, show water white transparency or has various colors, and can realize stable state or metastable state under each state.The electrochromism light shutter device comprises cathode material layer and anode material layer between third electrode and the 4th electrode; Cathode material layer is the negative electrode photochromic layer; It makes initial state is the homogeneous phase aqueous solution (viscosity can be adjusted according to actual needs) of polymer base material and off-color material and auxiliary material, is adsorbed in (on tin indium oxide ITO) dry back formation solid film on the electrode behind the system film; Anode material layer is generally polymer dielectric; Can play ion storage and conduction; The thick solution of polymer dielectric for being processed by multiple organic mixed solvent forms gelatinous polymer electrolyte (similar lithium ion battery) after the volatilization of part low boiling point solvent.Used glass substrate of this light shutter device and electrode are water white transparency; When not applying voltage; The initial state of electrochromism light shutter device is a clear state; Lasting 1-20 is after second applying forward dc voltage (like forward 1-3 volt voltage) between third and fourth electrode, and photochromic layer reacts by colourless blueness or other color of becoming through reversible redox.If need remove color, only need apply direct reverse voltage (like reverse 1-3 volt voltage) and continue 1-20 after second, this light shutter device reverts to clear state.
Again for example, when light valve device is electric wetting light shutter device, when not applying voltage, be in nontransparent attitude, be in clear state when between third electrode and the 4th electrode, applying predetermined voltage.In the wetting light shutter device of electricity, be filled with transparent electrolyte solution and the colored liquid (like printing ink) that is insoluble to this electrolyte solution, when not applying voltage; Shown in accompanying drawing 6, ink level is distributed in the upper strata of the 3rd substrate, attitude darkly; And when applying voltage, printing ink is retracted to a side of the 3rd substrate under the effect of electric field and molecule tension force; Thereby light path is passed through, be clear state.
Again for example, be when having the light shutter device of polarizer at light valve device, can make active light shutter device or passive light switching device according to actual needs.When being active light shutter device; When not applying voltage, be in clear state, be in black attitude when between third electrode and the 4th electrode, applying voltage, in the practical application; According to concrete structure also can be when not applying voltage, to be in black attitude, when applying voltage, is in clear state.Mainly be to utilize the light shift characteristic of cross-polarization sheet and liquid crystal and lag characteristic to realize clear state and black attitude.
Wherein, Shown in accompanying drawing 7; Light valve device 21 can also be the electric ink light shutter device; When light valve device is the electric ink light shutter device, except comprising third electrode 302 and the 4th electrode 304, also comprise the 5th electrode 701 and the 6th electrode 702 that are arranged between second substrate 301 and the 3rd substrate 303; Light valve device 21 is in black attitude when between third electrode 302 and the 4th electrode 304, applying first predetermined voltage, and light valve device 21 is in clear state when between the 5th electrode 701 of light valve device and the 6th electrode 702, applying second predetermined voltage.Particularly; Isolate through insulating barrier 703 between the 5th electrode 701 and the 6th electrode 702 and third electrode 302 and the 4th electrode 304; When between third electrode 302 and the 4th electrode 304, applying voltage; The black particles 704 that is arranged in clear solution is horizontal distribution at second substrate or the 3rd substrate under electric field action, thereby presents black attitude; When between the 5th electrode 701 and the 6th electrode 702, applying voltage, the black particles 704 that is arranged in clear solution concentrates on the left and right sides under electric field action, and distributes perpendicular to second substrate 301 and the 3rd substrate 303, thereby light path is passed through, and presents clear state.
More than only be to enumerate explanation to what light valve device carried out; In the practical application; Light valve device is not limited in above several kinds, as long as light valve device under electric field action, can be realized clear state and nontransparent attitude two states; All can be used for realizing the transparent display effect and the common nontransparent display effect of OLED device shown, present embodiment includes interior.
In a kind of concrete realization of the utility model embodiment; First electrode 202 and second electrode 206 of transparent OLED display floater are transparent material; Can realize the two-way transparent demonstration of display unit, promptly can see normal data presented content, and can observe display article or the extraneous activity that is positioned at the display unit rear from transparent OLED display floater the place ahead; Simultaneously, also can see displaying contents from the rear of display unit.This implementation can realize the switching of common nontransparent display effect of display unit and two-way transparent display effect through the conversion of light valve device state.
In concrete the realization, first electrode 202 of transparent OLED display floater can adopt non-transparent material, and only covers the part of pixel in another, and the second electrodes use transparent material.For example, first electrode (promptly near the electrode at display unit rear, claiming backplate again) at transparent OLED adopts opaque metal material; And the live width of the metal wire of this first electrode is attenuated, make the metal wire of the electrode of winning only cover the part of pixel, when light valve device is in clear state; Utilizing not can be so that the user be when seeing the normal data presented content of display floater from the place ahead of transparent OLED display floater by metal wire covered pixels part; See the article that place at the display unit rear simultaneously, and because the opaque metal material of first electrodes use, the light that the OLED luminescent layer sends is many to be penetrated from the front; At this moment; When light valve device is in clear state, is difficult to see display floater data presented content from the rear of display unit, thereby realizes one-sided transparent display effect; Can improve fail safe compared to two-way transparent demonstration, further promote user experience.This implementation can realize the common nontransparent display effect of display unit and the switching of one-way transparent display effect through the conversion of light valve device state.
At one preferably in the implementation; Serial connection one controlled switch in the power circuit that between the third electrode of light valve device and the 4th electrode, connects; This controlled switch is controlled light valve device by the on off state of controlled switch and between nontransparent attitude and clear state, is switched according to the on off state of this controlled switch of triggering signal control that receives.In the practical application, this controlled switch can have multiple implementation, and for example, controlled switch can be light-operated switch (like an infrared control), also can be touch switch (like extraneous touch button), detachable key switch (like peripheral hardware button or button etc.) etc.
In a preferable implementation; Can control light valve device and carry out local transparent demonstration, particularly: when second substrate of light valve device was provided with third electrode, third electrode was set to comprise more than one electrode district; Perhaps; When the 3rd substrate was provided with the 4th electrode, the 4th electrode was set to comprise more than one electrode district, carried out transparent demonstration through the corresponding zone of voltage control that applies on the different electric polar region in control third electrode or the 4th electrode.In this implementation, the drive circuit of light valve device need be set also, this drive circuit is under the control of triggering signal, and the respective regions of control light valve device switches between nontransparent attitude and clear state, realizes local transparent demonstration.
For example; Shown in accompanying drawing 8, third electrode is among Fig. 8 shown in a, only comprises an electrode district; And the 4th electrode is in being set to Fig. 8 during two electrode districts shown in the b; Through third electrode is provided with public electrode, an electrode district in the 4th electrode is provided with common electrode area, and another electrode zone is set to the corresponding electrode district in transparent viewing area; Then can realize the transparent demonstration of the first half or the latter half of display unit; In like manner, the transparent demonstration of left-half or right half part can be realized shown in the c in the 4th electrodes use accompanying drawing 8, and transparent demonstration some or zone more than in four zones can be realized in the 4th electrodes use accompanying drawing 8 shown in the d.Based on same principle, also can simultaneously third electrode be divided into two or more electrode districts, control the voltage that applies in third electrode and the 4th electrode corresponding electrode district simultaneously and can realize the transparent demonstration of regional area.
In a preferred implementation; Can realize light valve device is accurate to the transparent demonstration of regional area of pixel scale; Need in this scheme pixel electrode (second substrate and the 3rd substrate that are light valve device are array base palte) will be set on second substrate and the 3rd substrate; Through the driving circuit drives pixel electrode, thereby realize the transparent display effect of any size area, realize the transparent demonstration of any size area and the switching of nontransparent demonstration.
The utility model embodiment also provides the manufacture method of organic LED display device under the multiple situation, and is specific as follows:
First kind of situation, shown in accompanying drawing 9, when second substrate of first substrate of transparent OLED display floater and light valve device was rigid substrate, the concrete manufacture method of OLED display unit was following:
Step 901: the third electrode that on first substrate of transparent OLED display floater, forms light valve device.
In the practical application, can adopt sputter (sputter) technology on first substrate, to form the third electrode of light valve device.According to actual needs, can also combine corresponding composition technology to form third electrode (for example, ITO electrode).
In the present embodiment, directly on first substrate of OLED display floater, form the third electrode of light valve difference, i.e. shared first substrate of light valve device and OLED.
Preferably, before forming the third electrode of light valve device on first substrate, with first substrate attenuation.
Step 902: the 4th electrode that on the 3rd substrate, forms light valve device.
In the present embodiment, can adopt sputter technology on the 3rd substrate, to form the 4th electrode (for example, ITO electrode).
Step 903: between third electrode and the 4th electrode, fill display medium, form light valve device, this light valve device has two states under effect of electric field, this at least two states comprise clear state and nontransparent attitude.
In a concrete manufacture method; After sealing frame offset printing system; After the 3rd substrate and first substrate carried out involutory assembling of vacuum and cutting; Through instillation process display medium is filled between third electrode and the 4th electrode, and the 3rd substrate is carried out ultra-violet curing, realize the integrated of light valve device and OLED display floater.
In another concrete manufacture method; After sealing frame offset printing system; Through instillation technology, behind the filling display medium the 3rd substrate and first substrate are carried out the involutory assembling of vacuum, and the 3rd substrate is carried out ultra-violet curing; Realize the integrated of light valve device and OLED display floater, cut again at last.
Wherein, the display medium of filling between third electrode and the 4th electrode comprises in PDLC, cholesteric liquid crystal, electric ink, printing ink and the electrolytical mixed solution any one at least.Be merely for example, in the practical application, also can be that other can make light valve device have the solution of clear state and nontransparent attitude two states here.For example, accompanying drawing 10 is depicted as the cross-sectional view of the OLED display unit that forms through above-mentioned manufacture method, and wherein, 1001 is transparent negative electrode; 1002 is electron transfer layer, and 1003 is organic luminous layer, and 1004 is hole transmission layer; 1005 is transparent anode, and 1006 is glass substrate, and 1007 is the ITO electrode; 1008 is display medium, and 1009 is the ITO electrode, and 1010 is glass substrate.
Second kind of situation when first substrate of transparent OLED display floater is rigid substrate, will adopt the light valve device subsides of flexible base, board to obey on first substrate through pasting clothes equipment; Perhaps; When first substrate is flexible base, board; Paste and to obey on first substrate rolling light valve device that (roll to roll) equipment will adopt flexible base, board through rolling, light valve device has two states at least under effect of electric field, this at least two states comprise clear state and nontransparent attitude.
Preferably; To adopt the light valve device subsides of flexible base, board to obey before first substrate through pasting clothes equipment; Perhaps; To adopt the light valve device subsides of flexible base, board to obey before first substrate through rolling to rolling equipment, and between the light valve device and first substrate, fill the high permeability material, this high permeability material has caking property after ultra-violet curing or hot curing.For example, this high permeability material is polymethyl methacrylate (PMMA).
Simultaneously, the utility model embodiment also provides a kind of display system, and this display system comprises above-mentioned OLED display unit.
Preferably, display system also comprises the backboard protective device that is positioned at after the light valve device, and this backboard protective device adopts the material of high permeability to process.
Particularly; Shown in accompanying drawing 11; Display system also comprises pillar 1104 except comprising transparent OLED display floater 1101, being positioned at the light valve device 1102 after the transparent OLED display floater and being positioned at the backboard protective device 1103 after the light valve device 1102, and circuit board or circuit signal transmission channel can be set in this pillar 1104; And this pillar 1104 also is connected with base 1105.In the practical application, also be provided with drive plate, control device or outer end button etc. in the base 1105.
In the practical application, on the display surface of OLED display floater 1101, contact panel can also be set.This contact panel can have multiple implementation, for example can be the touch-screen of condenser type, resistance-type or other modes.
In the practical application, display system can be computer, portable terminal, TV etc.For example, can be desktop computer, portable computer, mobile phone, panel computer, palm terminal equipment etc.Accompanying drawing 12 is depicted as the structural representation of the portable computer of using above-mentioned display unit; Wherein, 1201 is that OLED display floater, 1202 is the backboard protective device of high permeability for light valve device, 1203, and 1204 is equipment such as drive plate, controller and outer end keyboard, button.
Based on technique scheme, among the utility model embodiment, through on the non-display surface of transparent OLED display floater, light valve device being set; This light valve device has clear state and nontransparent attitude two states at least under effect of electric field; Thereby when can be implemented in light valve device and being in clear state, make display unit be in clear state, can normally carry out when data show; Observe the object that is positioned at the display unit back; And when light valve device is in nontransparent attitude, make display unit realize common nontransparent display effect, thereby can be through the state exchange of light valve device; Realize the switching of common nontransparent demonstration and transparent demonstration, make compatible common nontransparent demonstration of display unit and transparent demonstration.And, the characteristics that light valve device can combine in light weight, the thin thickness of OLED itself are set on the non-display surface of OLED, realization can compatible common nontransparent demonstration and the lightness and the slimming of the display unit of perspective display effect, improves user experience.And; The OLED display unit that the utility model embodiment provides has widely to be used; The display device that can be used for each field for example can be used for various mobile terminal devices such as desktop computer, notebook computer, television set, watch-dog, mobile phone etc., can also be used for medical monitor; And the display device in the various exhibition occasions, and can be used for having the display device compatible mutually with other additional functions.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from the spirit and the scope of the utility model.Like this, belong within the scope of the utility model claim and equivalent technologies thereof if these of the utility model are revised with modification, then the utility model also is intended to comprise these changes and modification interior.
Claims (13)
1. an organic LED display device is characterized in that, comprising: transparent Organic Light Emitting Diode OLED display floater and light valve device;
Has said light valve device on the non-display surface of said transparent OLED display floater;
Said light valve device has two states at least under effect of electric field, said two states at least comprises clear state and nontransparent attitude.
2. device as claimed in claim 1 is characterized in that, said transparent OLED display floater comprises first substrate and is set in turn in first electrode, first transport layer, luminescent layer, second transport layer and second electrode on said first substrate.
3. device as claimed in claim 2; It is characterized in that; Said light valve device comprises second substrate, is arranged at the third electrode of second substrate, the 3rd substrate, be arranged at the 4th electrode of the 3rd substrate and the display medium between said third electrode and the 4th electrode.
4. device as claimed in claim 3; It is characterized in that said light valve device comprises at least: any one in the light shutter device of polymeric dispersed liquid crystal light shutter device, cholesteric liquid crystal light shutter device, electrochromism light shutter device, electric wetting light shutter device and band polarizer.
5. device as claimed in claim 3 is characterized in that, when said light valve device was the electric ink light shutter device, said light valve device also comprised the 5th electrode and the 6th electrode that is arranged between second substrate and the 3rd substrate;
Said light valve device is in nontransparent attitude when between the third electrode of said light valve device and the 4th electrode, applying first predetermined voltage, and said light valve device is in clear state when between the 5th electrode of said light valve device and the 6th electrode, applying second predetermined voltage.
6. device as claimed in claim 4 is characterized in that, when said light valve device is polymeric dispersed liquid crystal light shutter device, when not applying voltage, is in nontransparent attitude, is in clear state when between third electrode and the 4th electrode, applying predetermined voltage;
When said light valve device is the cholesteric liquid crystal light shutter device; Be in nontransparent attitude when between said third electrode and said the 4th electrode, applying first predetermined voltage, be in clear state when between said third electrode and said the 4th electrode, applying second predetermined voltage;
When said light valve device is the electrochromism light shutter device, when not applying voltage, be in clear state, be in nontransparent attitude when between said third electrode and said the 4th electrode, applying predetermined voltage;
When said light valve device is electric wetting light shutter device, when not applying voltage, be in nontransparent attitude, be in clear state when between said third electrode and said the 4th electrode, applying predetermined voltage;
When said light valve device is the light shutter device of band polarizer, when not applying voltage, be in clear state, be in nontransparent attitude when between said third electrode and said the 4th electrode, applying voltage.
7. like each described device of claim 3 to 6; It is characterized in that; Be connected in series controlled switch in the power circuit that between said third electrode and said the 4th electrode, connects; Said controlled switch is controlled the on off state of said controlled switch according to the triggering signal that receives, and the on off state of said controlled switch is controlled said light valve device and between said nontransparent attitude and clear state, switched.
8. like each described device of claim 3 to 6; It is characterized in that; The drive circuit that also comprises said light valve device, said drive circuit are under the control of triggering signal, through controlling the voltage that applies on each electrode district that said light valve device third electrode or the 4th electrode comprise; Respective regions is switched between nontransparent attitude and clear state, and said third electrode or the 4th electrode comprise more than one electrode district.
9. like each described device of claim 3 to 6, it is characterized in that said second substrate and said first substrate are same substrate.
10. device as claimed in claim 2 is characterized in that, said first electrode and said second electrode are transparent material;
Perhaps, said first electrode is a non-transparent material, and covers the part of pixel, the said second electrodes use transparent material.
11. a display system is characterized in that, comprises each described display unit of claim 1-10.
12. display system as claimed in claim 11 is characterized in that, also comprises: be positioned at said light valve device backboard protective device afterwards, said backboard protective device adopts the high permeability material to process.
13. display system as claimed in claim 12 is characterized in that, also comprises: be arranged at the contact panel on the said OLED display floater display surface.
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| CN2012200192347U CN202487668U (en) | 2012-01-16 | 2012-01-16 | Organic light-emitting diode (OLED) display device and display system thereof |
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| CN102646696A (en) * | 2012-01-16 | 2012-08-22 | 京东方科技集团股份有限公司 | Organic light-emitting diode display device, manufacturing method thereof and display system |
| CN105206644A (en) * | 2015-08-28 | 2015-12-30 | 京东方科技集团股份有限公司 | Transparent display assembly and display device |
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| CN102646696A (en) * | 2012-01-16 | 2012-08-22 | 京东方科技集团股份有限公司 | Organic light-emitting diode display device, manufacturing method thereof and display system |
| WO2013107194A1 (en) * | 2012-01-16 | 2013-07-25 | 京东方科技集团股份有限公司 | Organic light-emitting diode display device, manufacturing method and display system |
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