CN109860247A - A double-sided display panel and display device thereof - Google Patents
A double-sided display panel and display device thereof Download PDFInfo
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- CN109860247A CN109860247A CN201910047699.XA CN201910047699A CN109860247A CN 109860247 A CN109860247 A CN 109860247A CN 201910047699 A CN201910047699 A CN 201910047699A CN 109860247 A CN109860247 A CN 109860247A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
- G09G3/3233—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
- H10K59/805—Electrodes
- H10K59/8051—Anodes
- H10K59/80516—Anodes combined with auxiliary electrodes, e.g. ITO layer combined with metal lines
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
- H10K59/805—Electrodes
- H10K59/8052—Cathodes
- H10K59/80522—Cathodes combined with auxiliary electrodes
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
本发明提供一种双面显示面板及其显示装置。双面显示面板包括从下至上依次层叠的第一电极、第一发光层、第二电极、第二发光层和第三电极。所述第一电极、第一发光层和第二电极接通驱动电路可实现所述第一发光层发光；所述第二电极、第二发光层和第三电极接通驱动电路可实现所述第二发光层发光。显示装置包括上述双面显示面板。通过两个背向设置的第二发光层和第一发光层无需2片面板搭接，实现双面显示相同画面的效果，降低了显示器的整体厚度。实现了直接利用交流电，无需通过转化为直流电进行利用，从而更加节能，提高双面显示产品量产可行性。
The present invention provides a double-sided display panel and a display device thereof. The double-sided display panel includes a first electrode, a first light-emitting layer, a second electrode, a second light-emitting layer and a third electrode that are sequentially stacked from bottom to top. The first electrode, the first light-emitting layer and the second electrode are connected to the driving circuit, so that the first light-emitting layer emits light; the second electrode, the second light-emitting layer and the third electrode are connected to the driving circuit to realize the The second light-emitting layer emits light. A display device includes the above-described double-sided display panel. The two oppositely disposed second light-emitting layers and the first light-emitting layer do not need to be overlapped by two panels, so that the effect of displaying the same picture on both sides is achieved, and the overall thickness of the display is reduced. It realizes the direct use of alternating current, and does not need to be converted into direct current for utilization, thereby saving energy and improving the feasibility of mass production of double-sided display products.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of double face display panel and its display devices.
Background technique
With the progress of display technology, the variation of Popular Aesthetics, narrow frame and Rimless are increasingly taken seriously.In order to protect
Card reduces the accounting of non-display screen to the greatest extent, the design of double-sided display OLED occurs.
It is that double-sided display effect is generated by the positive and negative overlap joint of 2 panels mostly for current double-sided display OLED product.This
Mode is not only difficult to decrease the integral thickness of display, but also since to be spliced, it is high that there are fraction defectives, difficult processing
Spend the problems such as big, it is difficult to realize volume production.
Summary of the invention
Based on this, the present invention provides a kind of double face display panel and its display device, without 2 panels overlapped situation
Under, it realizes the effect of double-sided display same frame, reduces the integral thickness of display, it is feasible to improve double-sided display product volume production
Property.
To solve the above-mentioned problems, a kind of double face display panel is provided in one embodiment of the invention, including from bottom to up according to
The secondary first electrode being stacked, the first luminescent layer, second electrode, the second luminescent layer and third electrode.Wherein the first luminescent layer
The cathode of the first interior light emitting diode is electrically connected the first electrode；Second electrode is electrically connected the first of first luminescent layer
The anode of light emitting diode；The anode of the second light emitting diode in second luminescent layer is electrically connected the second electrode；Third electricity
Pole is electrically connected the cathode of the second light emitting diode of second luminescent layer；The first electrode, the first luminescent layer and the second electricity
Driving circuit is connected in pole can realize that first luminescent layer shines；The second electrode, the second luminescent layer are connected with third electrode
Driving circuit can realize that second luminescent layer shines.Setting is not necessarily to 2 panel laps in this way, realizes double-sided display same frame
Effect, reduce the integral thickness of display.
Further, wherein the third electrode is electrically connected the first electrode, wherein first electricity after electrical connection
Pole connects an output end of one drive circuit with third electrode, and the second electrode connects another output of the driving circuit
End, to realize that use is driven with one drive circuit.
Further, wherein the driving circuit is AC driving circuit, first luminescent layer and the second luminescent layer root
It shines simultaneously according to the conversion frequency of the AC driving circuit.Setting is without by being direct current progress by AC conversion in this way
It utilizes, realizes and be directly connected to using alternating current, thus more energy saving.
Since the first light emitting diode of the first luminescent layer and the second light emitting diode of the second luminescent layer invert, when with
When the driving circuit of two electrodes connection is positive pressure, second electrode is the first luminescent layer anode, and first electrode is the first luminescent layer yin
Pole, the first luminescent layer shine, at this time from the first luminescent layer front it can be seen that display picture, and the of second luminescent layer at the back side
Two light emitting diodes are not shine, therefore the back side is without picture by state；Conversely, when the driving circuit being connect with second electrode
When for negative pressure, third electrode is the second luminescent layer anode, and second electrode is the second luminescent layer cathode, the second luminescent layer conducting hair
Light, and the first light emitting diode of first luminescent layer at the second luminescent layer back side inverts, and in by state, second shines at this time
The layer back side is without picture.It, can when the reversal frequency of the AC driving circuit of driving circuit and picture refreshing rate reache a certain level
The effect of picture can be shown simultaneously in the case where human eye can not be discovered, to reach front and back sides.
Further, wherein the second electrode is metal electrode, the metal electrode can be reflected from first hair
The light of photosphere and the second luminescent layer.
Further, wherein the first electrode and the third electrode are transparent electrode.Transparent electrode can effectively thoroughly
Light prevents shading from causing display brightness relatively low.
Further, wherein being equipped with upper polaroid far from the side of the second electrode in the third electrode.
Further, wherein being equipped with down polaroid far from the side of the second electrode in the first electrode.
Further, wherein being equipped with optical filter of enameling far from the side of the second electrode in the third electrode.
Further, wherein being equipped with lower colored filter far from the side of the second electrode in the first electrode.
A kind of display device, including double-sided display face described in any of the above embodiments are provided in another embodiment of the present invention
Plate.
The technical effects of the invention are that providing a kind of double face display panel and its display device, set backwards by two
On the one hand the first luminescent layer and the second luminescent layer set are not necessarily to 2 panel laps, realize the effect of double-sided display same frame,
The integral thickness of display is reduced, on the other hand without realizing directly by being that direct current utilizes by AC conversion
Connection utilizes alternating current, thus it is more energy saving, to improve double-sided display product volume production feasibility.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the double face display panel of first embodiment of the invention；
Fig. 2 is the image element circuit structure schematic diagram of the double face display panel of second embodiment of the invention；
Fig. 3 is the structural schematic diagram of the double face display panel of third embodiment of the invention；
Fig. 4 is the structural schematic diagram of the double face display panel of first embodiment of the invention；
Fig. 5 is the structural schematic diagram of the double face display panel of third embodiment of the invention.
Component mark is as follows in figure:
1 first electrode, 2 first luminescent layers, 3 second electrodes, 4 second luminescent layers, 5 third electrodes,
6 upper polaroids, 7 down polaroids, 8 are enameled optical filter, 9 lower colored filters,
10 first connecting pins, 20 second connection ends, 30 third connecting pins,
21 first light emitting diodes, 41 second light emitting diodes.
Specific embodiment
The explanation of following embodiment is referred to the additional illustration, the particular implementation that can be used to implement to illustrate the present invention
Example.The direction term that the present invention is previously mentioned, such as [on], [under], [preceding], [rear], [left side], [right side], [interior], [outer], [side]
Deng being only the direction with reference to annexed drawings.Therefore, the direction term used be to illustrate and understand the present invention, rather than to
The limitation present invention.The similar unit of structure is with being given the same reference numerals in the figure.
Refering to Figure 1, provide a kind of double face display panel in one embodiment of the invention, including successively layer from bottom to up
First electrode 1, the first luminescent layer 2, second electrode 3, the second luminescent layer 4 and the third electrode 5 of folded setting.Wherein the first luminescent layer
The cathode of the first light emitting diode 21 in 2 is electrically connected the first electrode 1；Second electrode 3 is electrically connected first luminescent layer 2
The first light emitting diode 21 anode；The anode electrical connection described second of the second light emitting diode 41 in second luminescent layer 4
Electrode 3；Third electrode 5 is electrically connected the cathode of the second light emitting diode 41 of second luminescent layer 4；The first electrode 1,
One luminescent layer 2, which connects driving circuit with second electrode 3, can realize that first luminescent layer 2 shines；The second electrode 3, second
Luminescent layer 4, which connects driving circuit with third electrode 5, can realize that second luminescent layer 4 shines.Setting is taken without 2 panels in this way
It connects, realizes the effect of double-sided display same frame, reduce the integral thickness of display.First hair of the two of them backwards to setting
The transmitting radiation direction of photosphere 2 and the second luminescent layer 4 please refers to arrow direction shown in FIG. 1.
Wherein the third electrode 5 is electrically connected the first electrode 1, wherein the first electrode 1 after electrical connection and the
Three electrodes 5 connect an output end of one drive circuit, and the second electrode 3 connects another output end of the driving circuit, from
And realize that use is driven with one drive circuit.The mode that wherein the third electrode 5 is electrically connected the first electrode 1 can be with
To be connected by welding manner, the aperture that can also run through the second electrode 3 by one is connected.The aperture is located at described the
One electrode 1, the second electrode 3, the third electrode 5 are patterned that treated gap location, is patterned processing
Mode includes the modes such as high-precision metal mask plate (fine metal mask, FMM) evaporation process, printing or transfer.
Wherein the driving circuit is AC driving circuit, and first luminescent layer 2 and the second luminescent layer 4 are according to the friendship
The conversion frequency for flowing driving circuit shines simultaneously.Setting is not necessarily to by being that direct current utilizes by AC conversion in this way, real
Show and has been directly connected to using alternating current, thus more energy saving.
Wherein the second electrode 3 is metal electrode, and the metal electrode can be reflected from first luminescent layer 2 and the
The light of two luminescent layers 4.
Wherein the first electrode 1 and the third electrode 5 are transparent electrode.Transparent electrode is significantly light transmitting, prevents
Shading causes display brightness relatively low.
It please refers to shown in Fig. 2, is the image element circuit structure schematic diagram of double face display panel, including the first connecting pin 10, the
Two connecting pins 20, third connecting pin 30.First connecting pin 10 connection ground voltage (Vss) is simultaneously connected to the second electrode 3；Second
Connecting pin 20 connects supply voltage (Voltage Drain Drain, Vdd), between the first connecting pin 10 and second connection end 20
First luminescent layer 2 and the second luminescent layer 4 are connected, the first connecting pin 10 connects the first luminous two of first luminescent layer 2
The anode of second light emitting diode 41 of the anode and second luminescent layer 4 of pole pipe 21；Third connecting pin 30 connects external defeated
Enter data, for controlling second luminescent layer 4 and the first luminescent layer 2.
By the first light emitting diode 21 of the first luminescent layer 2 and the second light emitting diode 41 of the second luminescent layer 4 and institute
The connecting pin for stating second electrode 3 is anode, when connecting driving circuit is AC driving circuit, first luminescent layer and the
Two luminescent layers shine simultaneously according to the conversion frequency of the AC driving circuit.When the reversion of the AC driving circuit of driving circuit
When frequency and picture refreshing rate reache a certain level, display panel front and back sides can be reached in the case where human eye can not be discovered
The effect of picture can be shown simultaneously.
It please refers to shown in Fig. 3, wherein being equipped with upper polaroid far from the side of the second electrode 3 in the third electrode 5
6；Down polaroid 7 is equipped with far from the side of the second electrode 3 in the first electrode 1.
It please refers to shown in Fig. 4, wherein being equipped with filter of enameling far from the side of the second electrode 3 in the third electrode 5
Mating plate 8；It is equipped with lower colored filter 9 far from the side of the second electrode 3 in the first electrode 1, to realize two-sided same
When show the effect of same frame.
Please refer to shown in Fig. 5, enamel optical filter 8 and lower colored filter 9 can also have the function of polarisation, from without
Upper polaroid 6 and down polaroid 7 is separately provided.
A kind of display device, including double-sided display face described in any of the above embodiments are provided in another embodiment of the present invention
Plate.
The technical effects of the invention are that providing a kind of double face display panel and its display device, set backwards by two
On the one hand the first luminescent layer and the second luminescent layer set are not necessarily to 2 panel laps, realize the effect of double-sided display same frame,
The integral thickness of display is reduced, on the other hand without realizing directly by being that direct current utilizes by AC conversion
Connection utilizes alternating current, thus it is more energy saving, to improve double-sided display product volume production feasibility.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (10)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910047699.XA CN109860247A (en) | 2019-01-18 | 2019-01-18 | A double-sided display panel and display device thereof |
| PCT/CN2019/077998 WO2020147184A1 (en) | 2019-01-18 | 2019-03-13 | Double-sided display panel and display device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910047699.XA CN109860247A (en) | 2019-01-18 | 2019-01-18 | A double-sided display panel and display device thereof |
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| Publication Number | Publication Date |
|---|---|
| CN109860247A true CN109860247A (en) | 2019-06-07 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910047699.XA Pending CN109860247A (en) | 2019-01-18 | 2019-01-18 | A double-sided display panel and display device thereof |
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| Country | Link |
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| CN (1) | CN109860247A (en) |
| WO (1) | WO2020147184A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110459130A (en) * | 2019-07-29 | 2019-11-15 | 深圳市华星光电半导体显示技术有限公司 | Combined display panel |
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| CN103872251A (en) * | 2012-12-13 | 2014-06-18 | 三星显示有限公司 | Organic light-emitting diode, method of controlling organic light-emitting diode, and organic light-emitting display device |
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| CN108922473A (en) * | 2018-07-26 | 2018-11-30 | 京东方科技集团股份有限公司 | A kind of organic light emitting display panel and its driving method |
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2019
- 2019-01-18 CN CN201910047699.XA patent/CN109860247A/en active Pending
- 2019-03-13 WO PCT/CN2019/077998 patent/WO2020147184A1/en active Application Filing
Patent Citations (7)
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|---|---|---|---|---|
| CN1670981A (en) * | 2004-04-21 | 2005-09-21 | 友达光电股份有限公司 | Organic light emitting diode and display panel and communication device including same |
| US20070164277A1 (en) * | 2006-01-19 | 2007-07-19 | Lg Electronics Inc. | Organic light emitting display |
| CN103165826A (en) * | 2011-12-19 | 2013-06-19 | 联想(北京)有限公司 | Two-sided organic light emitting diode, manufacturing method thereof and display device |
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| CN110459130A (en) * | 2019-07-29 | 2019-11-15 | 深圳市华星光电半导体显示技术有限公司 | Combined display panel |
| US11315911B2 (en) | 2019-07-29 | 2022-04-26 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Combined display panel with overlapping sub-screens |
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| WO2020147184A1 (en) | 2020-07-23 |
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