CN103715369A - Hybrid-type displayer and control method thereof - Google Patents
Hybrid-type displayer and control method thereof Download PDFInfo
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- CN103715369A CN103715369A CN201310749045.4A CN201310749045A CN103715369A CN 103715369 A CN103715369 A CN 103715369A CN 201310749045 A CN201310749045 A CN 201310749045A CN 103715369 A CN103715369 A CN 103715369A
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/805—Electrodes
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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
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/85—Arrangements for extracting light from the devices
- H10K50/856—Arrangements for extracting light from the devices comprising reflective means
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- 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
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/128—Active-matrix OLED [AMOLED] displays comprising two independent displays, e.g. for emitting information from two major sides of the display
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- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
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- Microelectronics & Electronic Packaging (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The invention discloses a hybrid-type displayer and a control method of the hybrid-type displayer. The hybrid-type displayer comprises an OLED display device. The OLED display device comprises a plurality of pixels; each pixel comprises an organic functional layer, wherein a first transparent electrode and a second transparent electrode are arranged on the two sides of the organic functional layer respectively, a reflecting electrode is arranged on one side of the organic functional layer, the area of the reflecting electrode is smaller than that of the organic functional layer, and a reflection-type display device is arranged outside the second transparent electrode. According to the hybrid-type displayer, under the condition of bright ambient light, the reflection-type display device can be used for display, power consumption is low, and the display effect is good; under the condition of weak ambient light, the reflection-type display device still can be used for display, and the reflecting electrodes in the OLED display device are also adopted for auxiliary lighting or key lighting; under the condition of weak ambient light or in the absence of ambient light, the OLED display device can be used for achieving active light-emitting type display, and therefore a good display effect can be achieved.
Description
Technical field
The present invention relates to display unit, specifically, be a kind of OLED(Organic Light-Emitting Diode by active illuminating, Organic Light Emitting Diode) the mixed type display that device and reflection display device form, and the control method of this mixed type display.
Background technology
OLED device is active illuminating device.Compare present main flow flat panel display Thin Film Transistor-LCD (TFT-LCD), OLED has the advantages such as high-contrast, wide viewing angle, low-power consumption, volume be thinner, being expected to become the flat panel display of future generation after LCD, is one of the maximum technology that receives publicity in current flat panel display.But the display of active illuminant is under stronger surround lighting, and the reflective display screen contrast that easily causes of screen surface declines.
In prior art, also have the display of reflection-type, such as reflection type liquid crystal display screen, electronic-paper display screen etc.The display of reflection-type, in ambient light abundance, utilizes the light screen illuminating through mirror-reflection, has advantage low in energy consumption, energy-conservation.But this display cannot be worked in the darker environment of light.
Summary of the invention
The technical problem to be solved in the present invention be to provide a kind of can integrated reflective display and the advantage of OLED display, can adapt to light environment, can adapt to again the mixed type display of half-light environment, and the control method of this mixed type display.
In order to solve the problems of the technologies described above, the invention provides a kind of mixed type display, comprise OLED display unit, described OLED display unit comprises a plurality of pixels, each pixel comprises organic function layer, described organic function layer both sides are respectively equipped with the first transparency electrode and the second transparency electrode, and a side of described organic function layer is also provided with reflecting electrode, and the area of described reflecting electrode is less than the area of described organic function layer; The outside of described the second transparency electrode is also provided with reflection display device.
Further, described reflecting electrode, between described the first transparency electrode and organic function layer, is provided with insulating barrier between described reflecting electrode and described the first transparency electrode.
The 10%-50% of the area that further, the area of described reflecting electrode is described organic function layer.
Further, the reflecting electrode between adjacent pixel is electrically connected to mutually in one direction, and described reflecting electrode is from being positioned at the pixel at two ends and drawing and connecting power supply.
Further, described reflecting electrode is positioned at a side identical with described the first transparency electrode, and is set up in parallel with described the first transparency electrode; Between described reflecting electrode and described the first transparency electrode, be formed with gap.
Further, in described gap, fill in insulating material.
Further, described the second transparency electrode is divided into two parts, and wherein a part is oppositely arranged with described reflecting electrode, and another part and described the first transparency electrode are oppositely arranged.
Further, described the first transparency electrode is anode, and the second transparency electrode is negative electrode; Or described the first transparency electrode is negative electrode, the second transparency electrode is anode.
Further, described the first transparency electrode is 50%-95% at the average transmittance of visible light wave range, and described the second transparency electrode is 50%-95% at the average transmittance of visible light wave range.
The present invention also provides a kind of control method of above-mentioned mixed type display, comprising:
The brightness of testing environment light,
If ambient light brightness is greater than preset value, view data is outputed to described reflection display device, by described reflection display device, show image;
If ambient light brightness is less than preset value, view data is outputed to described OLED display unit, by described OLED display unit, show image.
Mixed type display of the present invention can adopt reflection display device to show when ambient light is good, low in energy consumption and display effect good; When ambient light is weak, also can adopt reflection display device to show, and adopt the reflecting electrode in OLED display unit to carry out floor light or key lighting; And when ambient light is weak or without surround lighting time, can adopt OLED display unit to realize active light-emitting type and show, thereby realize good display effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of mixed type display of the present invention.
Fig. 2 is the connected planar structure schematic diagram of a plurality of pixels of OLED display unit in the present invention.
Fig. 3 is the structural representation of another embodiment of mixed type display of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described, can be implemented, but illustrated embodiment is not as a limitation of the invention so that those skilled in the art can better understand the present invention also.
As shown in Figure 1, in the present embodiment, mixed type display consists of transparent OLED display unit and reflection display device 10.Wherein, transparent OLED display unit comprises a plurality of pixels, and the size of each pixel is not limit, but generally should be less than human eye minimum resolution.Each pixel comprises organic function layer 5, and organic function layer 5 is identical with organic function layer of the prior art, comprises hole injection layer, organic luminous layer, electron injecting layer etc., and therefore not to repeat here.The first transparency electrode 4 and the second transparency electrode 6 are set respectively in organic function layer 5 both sides, are wherein substrate 1 in the outside of the first transparency electrode 4, in the outside of the second transparency electrode 6, are reflection display device 10.A side at organic function layer 5 is provided with reflecting electrode 2, and the area of this reflecting electrode 2 is less than the area of organic function layer 5.In the present embodiment, reflecting electrode 2, between the first transparency electrode 4 and organic function layer 5, is provided with insulating barrier 3 between reflecting electrode 2 and the first transparency electrode 4, to prevent the two short circuit.Wherein, reflection display device 10 can be reflection type liquid crystal display screen, Electronic Paper etc.
In the present invention, the area of reflecting electrode is preferably the 10%-50% of the area of organic function layer, and too small its regulating action of reflecting electrode area is not obvious, if the excessive transparency that can affect transparent OLED display unit of reflecting electrode area.
Mixed type display of the present invention can be realized three kinds of mode of operations:
1, under the good condition of ambient light, open reflection display device 10, close OLED display unit, do not give reflecting electrode 2, the first transparency electrode 4 and the second transparency electrode 6 energisings, OLED display unit is pellucidity.Now the light penetration OLED display unit of external environment condition is irradiated on reflection display device 10, thereby the content showing on reflection display device 10 is shown.
2, in ambient light deficiency or in without ambient light, open reflection display device 10, and switch on to reflecting electrode 2 and the second transparency electrode 6 in OLED display unit simultaneously, make OLED display unit luminous, and by reflecting electrode 2, the light of OLED display unit is irradiated on reflection display device 10, thereby the content showing on reflection display device 10 is shown, and now OLED display unit is used as the front located light source of reflection display device 10.
3, at ambient light weak or without ambient light in, close reflection display device 10, and open OLED display unit, switch on to the first transparency electrode 4 and the second transparency electrode 6, make OLED display unit realize the demonstration of active illuminating.
Concrete control method comprises:
The brightness of testing environment light,
If ambient light brightness is greater than preset value, view data is outputed to described reflection display device, by described reflection display device, show image;
If ambient light brightness is less than preset value, view data is outputed to described OLED display unit, by described OLED display unit, show image; Or, view data is outputed to described reflection display device, be the power supply of OLED display unit simultaneously, by the luminous of OLED display unit, be irradiated on described reflection display device to show image.
When making the mixed type display of the present embodiment, can realize by following technique:
On transparent substrate 1, prepare the first transparency electrode 4;
In the first transparency electrode 4, prepare reflection electrode layer;
Adopt the techniques such as gluing, exposure, development, etching, to carrying out etching in the subregion of reflection electrode layer, remainder forms reflecting electrode 2;
The marginal position of reflecting electrode 2 is carried out to etching, the part that reflecting electrode 2 is connected with the first transparency electrode 4 is disconnected;
The position fill insulant disconnecting mutually between reflecting electrode 2 and the first transparency electrode 4, forms insulating barrier 3;
Evaporation organic function layer 5 on the first transparency electrode 4 and reflecting electrode 2;
On organic function layer 5, make the second transparency electrode 6; Together with finally the OLED display unit making being assembled into reflection display device, thereby obtain the mixed type display of the present embodiment.
Certainly, above-mentioned a kind of preferred version of just making the mixed type display of the present embodiment, actual fabrication process is not limited to this.
In the present embodiment, because reflecting electrode 2 is arranged between the first transparency electrode 4 and the second transparency electrode 6, for the reflecting electrode of each pixel 2 is connected with power supply, reflecting electrode 2 between pixel adjacent in a direction can be electrically connected to mutually, and by the reflecting electrode 2 after serial connection from being positioned at the pixel at two ends and drawing and connecting power supply.Embodiment as shown in Figure 2, in the present embodiment, in the vertical, also the reflecting electrode 2 belonging between each row pixels of same row is serially connected, and draw from the pixel at two ends, form reflection extraction electrode 7, will reflect extraction electrode 7 and be connected with externally fed power supply, think that reflecting electrode 2 provides electric energy.Because the area of the first transparency electrode 4 in the present embodiment has covered the organic function layer 5 of pixel completely, therefore, both can be as reflecting electrode will after the first transparency electrode 4 serial connections that belong between the pixel of same row, from two ends, draw, form the first transparent extraction electrode 8, also the first transparency electrode 4 of all pixels can be electrically connected, then from surrounding, draw.
Another embodiment of mixed type display of the present invention as shown in Figure 3.In the present embodiment, reflecting electrode 2 is positioned at a side identical with the first transparency electrode 4, and is set up in parallel with the first transparency electrode 4.In order to prevent reflecting electrode 2 and the first transparency electrode 4 short circuits, can between reflecting electrode 2 and the first transparency electrode 4, form gap 9. further preferred, can be in this gap 9 fill insulant so that insulation property are better.And the second transparency electrode 6 in the present embodiment is divided into two parts, wherein a part is oppositely arranged with reflecting electrode 2, and another part and the first transparency electrode 4 are oppositely arranged.In order to realize insulation, between two parts of the second transparency electrode 6, be also formed with gap.And, also can fill insulant in this gap.Certainly, in other embodiments, the second transparency electrode 6 can be also an integral body, complete covering on organic function layer 5.
In the various embodiments described above, the first transparency electrode 4 and the second transparency electrode 6 are respectively negative electrode and the anode of pixel, and position can be exchanged.Can be that the first transparency electrode 4 is anode, the second transparency electrode 6 be negative electrode, can be also that the first transparency electrode 4 is negative electrode, and the second transparency electrode 6 is anode, does not all affect enforcement of the present invention.The first transparency electrode 4 and the second transparency electrode 6 are respectively 50%-95% at the average transmittance of visible light wave range.
The above embodiment is only the preferred embodiment for absolutely proving that the present invention lifts, and protection scope of the present invention is not limited to this.Being equal to that those skilled in the art do on basis of the present invention substitutes or conversion, all within protection scope of the present invention.Protection scope of the present invention is as the criterion with claims.
Claims (10)
1. a mixed type display, comprise OLED display unit, described OLED display unit comprises a plurality of pixels, each pixel comprises organic function layer, described organic function layer both sides are respectively equipped with the first transparency electrode and the second transparency electrode, it is characterized in that, a side of described organic function layer is also provided with reflecting electrode, and the area of described reflecting electrode is less than the area of described organic function layer; The outside of described the second transparency electrode is also provided with reflection display device.
2. mixed type display according to claim 1, is characterized in that, described reflecting electrode, between described the first transparency electrode and organic function layer, is provided with insulating barrier between described reflecting electrode and described the first transparency electrode.
3. mixed type display according to claim 1, is characterized in that, the 10%-50% of the area that the area of described reflecting electrode is described organic function layer.
4. mixed type display according to claim 1 and 2, is characterized in that, the reflecting electrode between adjacent pixel is electrically connected to mutually in one direction, and described reflecting electrode is from being positioned at the pixel at two ends and drawing and connecting power supply.
5. mixed type display according to claim 1, is characterized in that, described reflecting electrode is positioned at a side identical with described the first transparency electrode, and is set up in parallel with described the first transparency electrode; Between described reflecting electrode and described the first transparency electrode, be formed with gap.
6. mixed type display according to claim 5, is characterized in that, insulating material in filling in described gap.
7. mixed type display according to claim 5, is characterized in that, described the second transparency electrode is divided into two parts, and wherein a part is oppositely arranged with described reflecting electrode, and another part and described the first transparency electrode are oppositely arranged.
8. mixed type display according to claim 1, is characterized in that, described the first transparency electrode is anode, and the second transparency electrode is negative electrode; Or described the first transparency electrode is negative electrode, the second transparency electrode is anode.
9. mixed type display according to claim 1, is characterized in that, described the first transparency electrode is 50%-95% at the average transmittance of visible light wave range, and described the second transparency electrode is 50%-95% at the average transmittance of visible light wave range.
10. a control method for the mixed type display described in any one in claim 1-9, is characterized in that, comprising:
The brightness of testing environment light,
If ambient light brightness is greater than preset value, view data is outputed to described reflection display device, by described reflection display device, show image;
If ambient light brightness is less than preset value, view data is outputed to described OLED display unit, by described OLED display unit, show image; Or, view data is outputed to described reflection display device, be the power supply of OLED display unit simultaneously, by the luminous of OLED display unit, be irradiated on described reflection display device to show image.
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| CN105118392A (en) * | 2015-07-16 | 2015-12-02 | 蔡思强 | Energy-saving display screen capable of utilizing ambient light through specular light reflection principle |
| CN106935617A (en) * | 2015-12-30 | 2017-07-07 | 昆山工研院新型平板显示技术中心有限公司 | OLED screen preparation, OLED screen body and electronic display unit |
| CN109148536A (en) * | 2018-08-22 | 2019-01-04 | 京东方科技集团股份有限公司 | Sub-pixel structure and production method, array substrate, display device |
| CN109887975A (en) * | 2019-03-04 | 2019-06-14 | 武汉华星光电技术有限公司 | The display methods of transparent display panel and transparent display panel |
| CN111161675A (en) * | 2020-02-19 | 2020-05-15 | 武汉华星光电半导体显示技术有限公司 | Display panel, display device and driving method thereof |
| USRE48695E1 (en) | 2013-12-31 | 2021-08-17 | Beijing Visionox Technology Co., Ltd. | Transparent OLED device and display device employing same |
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| CN106935617B (en) * | 2015-12-30 | 2020-09-22 | 昆山工研院新型平板显示技术中心有限公司 | OLED screen body preparation method, OLED screen body and electronic display device |
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