CN1553750A - Unitary organic luminating display panel with double faces for lighting out - Google Patents
Unitary organic luminating display panel with double faces for lighting out Download PDFInfo
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- CN1553750A CN1553750A CNA031406661A CN03140666A CN1553750A CN 1553750 A CN1553750 A CN 1553750A CN A031406661 A CNA031406661 A CN A031406661A CN 03140666 A CN03140666 A CN 03140666A CN 1553750 A CN1553750 A CN 1553750A
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Abstract
A double-layer Organic Light Emission Diode (OLED) display panel comprises: a baseboard, a main panel set on the baseboard, a second panel and a control module. The main panel is used to generate an image beam that actually goes forward to first display direction. The second panel is used to generate secondary image beam that actually goes forward to second display direction. The angle between first display direction and second display direction is 180 degree. The control module makes electrical connection with the main panel and the second panel to control the operation of main panel and second panel.
Description
Technical field
The present invention relates to a kind of double faces lighting-out type organic electroluminescence display panel, relate in particular to and a kind of a main panel and a panel are arranged on the same substrate, and utilize a control die set to control the integrated double faces lighting-out type organic electroluminescence display panel of its running.
Background technology
In information society now, mobile communication becomes one of information exchange, interpersonal communication, the most important pipeline of exchange of information already, the user can see through mobile phone (Mobile Phone) transferring voice or image signal whenever and wherever possible, link up suggestion with the user of the communication system other end, carry out exchange of knowledge.And be to the more demand of function of cellular phone in response to the user, the design of mobile phone and various extended function also become more diversified, in the design of the display screen of mobile phone, there is the mobile phone of many styles to be equipped with front-back two-sided screen now, be divided into main panel and time panel, inferior panel is by the case surface bright dipping of mobile phone, can show simple literal or image signal, allow the user before not answering mobile phone, just learn the relevent information on basis earlier, and main panel is usually located within the mobile phone outer casing, be used for showing main and more complicated literal and image signal, even can show that the user utilizes the image that The built-in camera (build-in camera) absorbed etc.
At present the screen that this kind can front-back two-sided demonstration all utilizes display panels (liquid crystaldisplay) to finish, and sees also Fig. 1, and Fig. 1 is the schematic diagram of known one two-sided lighting-out tpye display panels 10.As shown in Figure 1, double faces lighting-out type display panels 10 includes a main panel 12 and time panel 22, main panel 12 comprises the host liquid crystal display floater 16 (LCD panel) and main module a 14 (backlight unit backlight of a correspondence, BLU), same, inferior panel 22 also comprises the inferior display panels 20 and the module 18 once backlight of a correspondence, when reality is implemented, host liquid crystal display floater 16 is to utilize a housing (bezel) to be assembled with main module 14 backlight, in like manner, inferior display panels 20 also is an assembling all-in-one-piece structure with time module 18 backlight, and that main panel 12 and time panel 22 utilize its main module 14 backlight and time module 18 backlight is in addition bonding as shown in Figure 1, makes direct of travel (shown in the arrow of direct of travel that Fig. 1 the represents main image strip) direct of travel of the inferior image strip that sent of inferior display panels 20 in 180 degree in the space in contrast to inferior panel 22 (shown in the arrow of direct of travel that Fig. 1 represents inferior image strip) exactly of the main image strip that the host liquid crystal display floater 16 of main panel 12 sends.
In addition, main panel 12 and time panel 22 need utilize a master control module 24 and secondary control molding group 26 to control both runnings respectively separately, follow the characteristic of aforementioned known techniques, thus, shown in Fig. 1 embodiment, main panel 12 and time panel 22 all separately need a module backlight (main module 14 backlight and time module 18 backlight) just can be finished the function of its luminous demonstration, and main panel 12 and time panel 22 because of light direction opposite (direct of travel of main image strip and time image strip is opposite) so main module 14 backlight and time module 18 backlight can't be integrated into one, therefore the then inevasible thickness of whole double faces lighting-out type display panels 10 that must make of technical characterictic that will reach the 10 two-sided bright dippings of double faces lighting-out type display panels comprises the thickness that main module backlight 14 reaches time module 18 backlight, thereby make that the thickness of double faces lighting-out type display panels 10 is excessive and can't be reduced, moreover, the running of using master control module 24 and secondary control molding group 26 to control main panel 12 and time panel 22 respectively also has the space of being integrated of improving, to save unnecessary cost.
Under above consideration, we are transferred to Organic Light Emitting Diode (Organic Light EmittingDiode with sight, OLED) on the display floater to think solution, and advantages such as high brightness, screen speed responsing are fast, compact, full-color because organic LED display panel has, no subtense angle, and the most important thing is, organic LED display panel need not the required module backlight that possesses of display panels, can save lamp source and power consumption on the one hand, on the thickness of display floater, can significantly reduce on the one hand.Therefore at portable message product of new generation, as mobile phone, PDA (Personal Digital Assistant) (PDA), and e-book etc. among, play the part of the pure key player of potentiality, also can be above-mentioned known problem and bring possible solution route.
Summary of the invention
Therefore main purpose of the present invention is to provide a kind of integrated double faces lighting-out type organic electroluminescence display panel, is used for resulting from rightabout at least two image strips of gap 180 degree in the space, to address the above problem.
The invention provides a kind of integrated double faces lighting-out type organic electroluminescence display panel, it includes a substrate (Substrate); One main panel is arranged on this substrate, is used for producing a main image strip, and this main image strip is that essence is advanced towards first display direction; A panel is arranged on this substrate and is connected in this main panel, is used for producing image strip one time, and this time image strip is that essence is advanced towards second display direction; And a control die set, be electrically connected in this main panel and this time panel, be used for controlling the running of this main panel and this time panel; Wherein this first display direction is the opposite direction of gap 180 degree in the space with this second display direction.
The present invention provides a kind of integrated double faces lighting-out type display floater in addition, and it includes a substrate (Substrate); A plurality of demonstration modules are arranged on this substrate, are used for producing a plurality of corresponding image light beams, and each shows that module all includes a top electrode (Top Electrode); One bottom electrode (Bottom Electrode); And an organic luminous layer, be arranged between this top electrode and this bottom electrode, be used for producing the image strip of a correspondence; And a control die set, be used for controlling the running of these a plurality of demonstration modules.
The invention has the advantages that, the main panel of integrated double faces lighting-out type organic electroluminescence display panel of the present invention and time panel are arranged on the same substrate (Substrate), and utilize same control die set to control the main panel and time panel of integrated double faces lighting-out type organic electroluminescence display panel, two image strips that the rightabout that can make main panel and time panel result from gap 180 degree in the space is advanced, the use of relevant control element can be saved simultaneously, and the thickness of general double faces lighting-out type display floater can be significantly reduced.
Other advantage of the present invention is, a plurality of demonstration modules of integrated double faces lighting-out type organic electroluminescence display panel of the present invention are to be arranged on the same substrate (Substrate), and utilize same control die set to control this a plurality of demonstration modules, to result from a plurality of image strips of advancing with different direct of travels in the space, the use of relevant control element can be saved simultaneously, and the thickness of general double faces lighting-out type display floater can be significantly reduced.
Description of drawings
Fig. 1 is the schematic diagram of an embodiment of known one two-sided lighting-out tpye display panels.
Fig. 2 is the schematic diagram of integrated double faces lighting-out type organic electroluminescence display panel one embodiment of the present invention.
Fig. 3 is the schematic appearance of Fig. 2 embodiment in main panel one side.
Fig. 4 is the schematic appearance of Fig. 2 embodiment in inferior panel one side.
Fig. 5 is the schematic diagram of another embodiment of the integrated double faces lighting-out type organic electroluminescence display panel of the present invention.
Embodiment
See also Fig. 2, Fig. 2 is the schematic diagram of the present invention one integrated double faces lighting-out type organic electroluminescence display panel 30 1 embodiment.The integrated double faces lighting-out type organic electroluminescence display panel 30 of present embodiment includes a substrate 31, (in Fig. 2 show two plate bases 31) and be arranged at the main panel 32 in the substrate 31, a panel 42 and a control die set 45.Substrate 31 can a glass substrate according to its material or a plastic substrate finish; Main panel 32 can be used to produce a main image strip, and this main image strip is an essence towards first display direction advance (shown in the arrow that Fig. 2 indicates first display direction); Inferior panel 42 is arranged on this substrate 31 side identical with main panel 32, thus, the thickness of whole integrated double faces lighting-out type organic electroluminescence display panel 30 then can be controlled in certain thickness, and much smaller than the shown thickness of the known embodiment of Fig. 1, inferior panel 42 also produces image strip one time, this time image strip essence is advanced towards second display direction, and aforementioned first display direction therewith second display direction be the opposite direction of gap 180 degree in the space, that is to say, the technical characterictic of the two-sided bright dipping of integrated double faces lighting-out type organic electroluminescence display panel 30 is and utilizes main panel 32 to reach with the opposite light direction of time panel 42, in addition, control die set 45 is electrically connected in main panel 32 and time panel 42, can be used to control respectively the running of main panel 32 and time panel 42.
Integrated double faces lighting-out type organic electroluminescence display panel 30 is an Organic Light Emitting Diode (Organic LightEmitting Diode, OLED) display floater or organic macromolecular LED diode (PLED) display floater, meaning promptly, main panel 32 also is all organic LED display panel or organic macromolecular LED diode display panel with time panel 42, please continue to consult Fig. 2, main panel 32 of the present invention comprises main substrate 34 on (Upper MainSubstrate) and main substrate 36 (Bottom Main Substrate) once, and between last main substrate 34 and following main substrate 36, comprise a main organic luminous layer 38 (Organic Light Emitting Layer), in like manner, inferior panel 42 comprise one last time substrate 44 and one next substrate 46, and comprised one time organic luminous layer 48 between substrate 44 and the next substrate 46 last time, wherein went up main substrate 34, following main substrate 36, last time, substrate 44, and next substrate 46 is all the electrode (Electrode) of metal material.Because the principle of organic light emitting display promptly is to utilize a small amount of carrier that injects and luminous, make its advantage be employed organic compound material (carrier) and belong to the self-luminous material, need not as display panels, to add back light (as the master of Fig. 1 module 14 backlight and time module 18 backlight) in the wings, that is to say, including the main organic luminous layer 38 of organic compound material and inferior organic luminous layer 48 is respectively main panel 32 and is able to luminous topmost source with time panel 42, when reality is implemented, as the principle of luminosity of summarizing before, for the carrier of its injection can become luminous energy with the power conversion that provides smoothly, main organic luminous layer 38 and inferior organic luminous layer 48 include an electric hole implanted layer (HoleInjection Layer all respectively, HIL), one electric hole transport layer (Hole Transport Layer, HTL), one luminescent layer (Emitting Layer, EML), one electron injecting layer (Electron Injection Layer, EIL), an and electron transfer layer (Electron Transport Layer, ETL), the real structure with general organic light emitting display of these layerings is identical, no longer describes in detail in this.
Get back to major technology feature of the present invention, main panel 32 and time panel 42 all are electrically connected in this control die set 45, control die set 45 control main panels 32 and time panel 42 are with one of method of two image strips (main image strip and time image strip) that send rightabout (first display direction is second display direction therewith), be and apply first and be biased in the last main substrate 34 of main panel 32 and following main substrate 36, and apply second substrate 44 and next substrate 46 last time that is biased in time panel 42, make the main organic luminous layer 38 of main panel 32 produce the main image strip of advancing towards first display direction, and the inferior organic luminous layer 48 of inferior panel 42 can produce the inferior image strip of advancing towards second display direction, this is because the carrier that injects in the organic luminous layer can produce corresponding different light emission direction along with the electric current (voltage) by different directions, because first bias voltage is the reverse biased (Reversed Bias) of second bias voltage, therefore, main image strip also is the opposite direction of gap 180 degree in the space with the direct of travel of time image strip.Thus, integrated double faces lighting-out type organic electroluminescence display panel 30 of the present invention can be finished the technical characterictic of two-sided bright dipping under quite thin thickness, if be applied to a mobile phone (MobilePhone), one PDA (Personal Digital Assistant) (PDA), or among other portable apparatus the time, then can significantly reduce the thickness of whole portable apparatus, see also Fig. 3 and Fig. 4, Fig. 3 is Fig. 2 embodiment shows main panel 32 1 sides when reality is implemented a schematic appearance, and the schematic appearance of Fig. 4 to be Fig. 2 embodiment show when reality is implemented time panel 42 1 sides, just, Fig. 3 and Fig. 4 have shown the two opposite sides of double faces lighting-out type organic electroluminescence display panel 30 respectively, in addition, Fig. 3 and Fig. 4 also show and utilize an outer frame shell (housing) 33 to be assembled coating integrated double faces lighting-out type organic electroluminescence display panel 30, and describe out the position of control die set 45.
See also Fig. 5, Fig. 5 is the schematic diagram of the present invention one integrated double faces lighting-out type organic electroluminescence display panel 50 another embodiment.Present embodiment and last embodiment are respectively, present embodiment is not limited to the framework of two panels, and the technical characterictic expansion that the present invention is finished two-sided bright dipping with low thickness is the framework of a plurality of demonstration modules 52, and each shows that module 52 all can produce the corresponding image light beam of a specific direction.Integrated double faces lighting-out type display floater includes a substrate 51 (Substrate), be arranged at the control die set 55 on the substrate 51 and be arranged at a plurality of demonstration modules 52 on the substrate 51.Each shows that module 52 all includes a top electrode 54 (TopElectrode), one bottom electrode 56 (Bottom Electrode), an and organic luminous layer 58, organic luminous layer 58 is arranged between top electrode 54 and the bottom electrode 56, can produce the image strip of a correspondence, with aforementioned embodiment, each organic luminous layer 58 includes an electric hole implanted layer (Hole Injection Layer, HIL), one electric hole transport layer (Hole Transport Layer, HTL), one luminescent layer (Emitting Layer, EML), one electron injecting layer (Electron Injection Layer, EIL), and an electron transfer layer (ElectronTransport Layer, ETL).The running that note that a plurality of demonstration modules 52 control die set 55 is all thus controlled, and certainly, when reality was implemented, the number of control die set 55 also need not limit.
The a plurality of demonstration modules 52 of control die set 55 control are with one of method of sending corresponding a plurality of image strips, identical with last embodiment, promptly be that a plurality of demonstration modules 52 are imposed different voltage (electric current) direction, control the display direction that each shows the image strip of module 52.Ask for an interview Fig. 5, show that with first module 52a and second shows that module 52b is an example, show among the module 52a in first, when control die set 55 applies one first bias voltage Va in this first demonstration module 52a, make the first first bottom electrode 56a that shows module 52a as this first when showing the anode (Anode) of module 52a, first image strip that is produced then essence is advanced towards first display direction, and first display direction is the direction by first organic luminous layer 58a to the first bottom electrode 56a.In addition, show among the module 52b in second, when control die set 55 applies the second bias voltage Vb in this second demonstration module 52b (the second bias voltage Vb is the reverse biased of the first bias voltage Va), make the second second bottom electrode 56b that shows module 52b become this second when showing the negative electrode (Cathode) of module 52b, show that by second second image strip that the second organic luminous layer 58b of module 52b is produced is that essence is advanced towards second display direction, and the serve as reasons direction of this second luminescent layer 58b to the second top electrode 54b of second display direction.Thus, if whole base plate 51 there is no crooked situation, that is, whole base plate 51 and a plurality of demonstration modules 52 that are arranged on the substrate 51 are all the plane that has same normal direction in the space, then first first display direction that shows first image strip that module 52a is produced then in the space 180 degree in contrast to second second display direction that shows second image strip that module 52b is produced.
In like manner, the operation principles of other demonstration module 52 in a plurality of demonstration modules 52 (except that the aforesaid first demonstration module 52a and second shows the module 52b) is all roughly the same, thus, 50 of the integrated double faces lighting-out type organic electroluminescence display panels of Fig. 5 embodiment have the technical characterictic of finishing two-sided bright dipping under quite thin thickness equally, and can allow each show that module 52 is under each specific moment and situation according to user's wish, select different light emission directions, in response to user's demand.Moreover, the present invention's technical characterictic has more comprised the flexible situation of integrated double faces lighting-out type organic electroluminescence display panel, meaning promptly, no matter whether flexible distortion of display floater, for integrated double faces lighting-out type organic electroluminescence display panel of the present invention, its both sides all have the part specific region can be luminous, so that the user all can receive the corresponding image information in the two opposite sides of integrated double faces lighting-out type organic electroluminescence display panel, and all relevant runnings all can utilize a control die set that is integrated on this display floater to finish, and give full play to the organic LED display panel high brightness, compact, need not module backlight and can operate with low power consumption, reach advantages such as no subtense angle.
The above only is preferred embodiment of the present invention, and all equalizations of being done according to the present patent application claim change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (17)
1. integrated double faces lighting-out type organic electroluminescence display panel, it includes:
One substrate;
One main panel is arranged on this substrate, is used for producing a main image strip, and this main image strip is that essence is advanced towards first display direction;
A panel is arranged on this substrate, is used for producing image strip one time, and this time image strip is that essence is advanced towards second display direction; And
One control die set is electrically connected in this main panel and this time panel, is used for controlling the running of this main panel and this time panel;
Wherein this first display direction is the opposite direction of gap 180 degree in the space with this second display direction.
2. integrated double faces lighting-out type organic electroluminescence display panel as claimed in claim 1 is characterized in that, is an organic LED display panel or an organic macromolecular LED diode display panel.
3. integrated double faces lighting-out type organic electroluminescence display panel as claimed in claim 1, it is characterized in that, this main panel and this time panel comprise a upper substrate and an infrabasal plate respectively, and this main panel and this time panel be each self-contained one main organic luminous layer and an organic luminous layer respectively, and this main organic luminous layer and this time organic luminous layer all are arranged between this upper substrate and this infrabasal plate.
4. integrated double faces lighting-out type organic electroluminescence display panel as claimed in claim 3 is characterized in that this upper substrate and this infrabasal plate are respectively a metal substrate.
5. integrated double faces lighting-out type organic electroluminescence display panel as claimed in claim 3, it is characterized in that, this control die set applies first and is biased in this main panel and applies second and be biased in this time panel, make this main organic luminous layer produce this main image strip of advancing, and this time organic luminous layer produce this time image strip of advancing towards this second display direction towards this first display direction.
6. integrated double faces lighting-out type organic electroluminescence display panel as claimed in claim 5 is characterized in that this first bias voltage is the reverse biased of this second bias voltage.
7. integrated double faces lighting-out type organic electroluminescence display panel as claimed in claim 5, it is characterized in that this main organic luminous layer and this time organic luminous layer include an electric hole implanted layer, an electric hole transport layer, a luminescent layer, an electron injecting layer and an electron transfer layer respectively.
8. integrated double faces lighting-out type organic electroluminescence display panel as claimed in claim 1 is characterized in that, this substrate is a glass substrate or a plastic substrate.
9. integrated double faces lighting-out type organic electroluminescence display panel as claimed in claim 1 is characterized in that, is to be applied among a mobile phone, a PDA (Personal Digital Assistant) and other portable apparatus.
10. integrated double faces lighting-out type display floater, it includes:
One substrate;
A plurality of demonstration modules are arranged on this substrate, are used for producing a plurality of corresponding image light beams, and each shows that module all includes:
One top electrode;
One bottom electrode; And
One organic luminous layer is arranged between this top electrode and this bottom electrode, is used for producing the image strip of a correspondence; And
One control die set is used for controlling the running of these a plurality of demonstration modules.
11. integrated double faces lighting-out type display floater as claimed in claim 10, it is characterized in that, show in the module at each, when this bottom electrode shows the anode of module as this, this image strip is that essence is advanced towards first display direction, this first display direction direction of this organic luminous layer to this bottom electrode of serving as reasons; When this bottom electrode showed the negative electrode of module as this, this image strip was that essence navigates on each towards second display direction and shows in module, this second display direction direction of this organic luminous layer to this top electrode of serving as reasons.
12. integrated double faces lighting-out type display floater as claimed in claim 11 is characterized in that, shows in the module at each, this first display direction is the opposite direction of gap 180 degree in the space with this second display direction.
13. integrated double faces lighting-out type display floater as claimed in claim 11, it is characterized in that, show in the module at each, when applying first, this control die set is biased in this demonstration module, this bottom electrode shows the anode of module for this, be biased in this demonstration module when this control die set applies second, this bottom electrode shows the negative electrode of module for this.
14. integrated double faces lighting-out type display floater as claimed in claim 13 is characterized in that this first bias voltage is the reverse biased of this second bias voltage.
15. integrated double faces lighting-out type display floater as claimed in claim 10 is characterized in that, it is an organic LED display panel or an organic macromolecular LED diode display panel.
16. integrated double faces lighting-out type display floater as claimed in claim 10 is characterized in that, this organic luminous layer includes an electric hole implanted layer, an electric hole transport layer, a luminescent layer, an electron injecting layer and an electron transfer layer.
17. integrated double faces lighting-out type display floater as claimed in claim 10 is characterized in that it is applied among a mobile phone, a PDA (Personal Digital Assistant) and other portable apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031406661A CN1553750A (en) | 2003-06-02 | 2003-06-02 | Unitary organic luminating display panel with double faces for lighting out |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031406661A CN1553750A (en) | 2003-06-02 | 2003-06-02 | Unitary organic luminating display panel with double faces for lighting out |
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| Publication Number | Publication Date |
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| CN1553750A true CN1553750A (en) | 2004-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA031406661A Pending CN1553750A (en) | 2003-06-02 | 2003-06-02 | Unitary organic luminating display panel with double faces for lighting out |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1700830B (en) * | 2004-05-22 | 2011-09-14 | 三星移动显示器株式会社 | Organic electroluminescence display device |
| CN101819762B (en) * | 2009-02-27 | 2014-10-29 | 华凌光电股份有限公司 | Character type display module |
| WO2023197688A1 (en) * | 2022-04-14 | 2023-10-19 | Tcl科技集团股份有限公司 | Light-emitting device, manufacturing method for light-emitting device, and display panel |
-
2003
- 2003-06-02 CN CNA031406661A patent/CN1553750A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1700830B (en) * | 2004-05-22 | 2011-09-14 | 三星移动显示器株式会社 | Organic electroluminescence display device |
| CN101819762B (en) * | 2009-02-27 | 2014-10-29 | 华凌光电股份有限公司 | Character type display module |
| WO2023197688A1 (en) * | 2022-04-14 | 2023-10-19 | Tcl科技集团股份有限公司 | Light-emitting device, manufacturing method for light-emitting device, and display panel |
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