CN201927572U - Display screen capable of dynamically and timely adjusting transmissivity - Google Patents
Display screen capable of dynamically and timely adjusting transmissivity Download PDFInfo
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- CN201927572U CN201927572U CN2010206028135U CN201020602813U CN201927572U CN 201927572 U CN201927572 U CN 201927572U CN 2010206028135 U CN2010206028135 U CN 2010206028135U CN 201020602813 U CN201020602813 U CN 201020602813U CN 201927572 U CN201927572 U CN 201927572U
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Abstract
The utility model provides a display screen capable of dynamically and timely adjusting transmissivity, and relates to a display technology in a photoelectric technology, which comprises a conventional display screen and a filtering film on the display screen. The filtering film 12 consists of a first transparent conducting layer 5, an ion storing layer 4, an ion conductor layer 3, an electrochromism layer 2, a second transparent conducting layer 6 and a substrate 1, wherein a voltage v is connected between the two transparent conducting layers, and the aggregate thickness of the filtering film 12 is within the range of 10mu m to 1mm. The voltage v is connected between the two transparent conducting layers, so that the light transmissivity of the electrochromism layer is changed, and the change is continues within a large range, therefore, the light transmissivity of the display screen is dynamically and timely adjusted. Compared with the conventional display screen, the lighting effect of the display screen is obviously improved, the brightness and the quality of an image are obviously improved, the power consumption and the radiation of the display screen are reduced, and the realization of the environment protection is promoted, so that the display screen is very good in market competitiveness.
Description
Technical field
The utility model is mainly concerned with the Display Technique in the photoelectric technology, particularly relates to the adjustable display screen of transmitance dynamic real-time.Use the display screen of this practicality in new, can realize the dynamic real-time adjustment of transmitance and reflectivity, be particularly suitable as the panel screen of flat-panel monitor such as plasma.
Background technology
Continuous development along with display technology, the classification of display is also more and more thinner, display in the market mainly contains four kinds, is respectively CRT (cathode ray tube) display, LCD (liquid crystal) display, LED (light-emitting diode) display, PDP (plasma) display etc.CRT monitor, it is one of present most widely used display, CRT monitor has that visible angle is big, not have bad point, color rendition degree height, even, the adjustable multi-resolution mode of colourity, response time short etc., its price is more cheap than other displays, but it is big owing to take up room, radiation is stronger relatively, shortcomings such as power is also bigger make its development be subjected to influence, particularly to consciousness epoch of the present environmental protection low-power consumption of advocating, CRT monitor is difficult to and other display competitions, is being faced with at present to be eliminated.The advantage of LCD (LCD) is that fuselage is thin, and it is little to take up room, and radiation is little, give a kind of favorable image of healthy Green Product, having replaced CRT monitor at present becomes one of major product in the display, but its shortcoming is, color is bright-coloured inadequately, is afraid of collision etc.It is a kind ofly to show by the control semiconductor light-emitting-diode for a light-emitting diode display, advantage such as it is bright in luster, dynamic range is wide, brightness is high, the life-span is long, working stability is reliable, but price is expensive unusually.The PDP display is the new display that has adopted the plasma flat Screen Technology, its thin thickness, resolution height, takes up room for a short time, with the liquid crystalline phase ratio more outstanding advantage is being arranged aspect the 3D demonstration.Compare with other displays, the advantage of PDP display has: volume is little, in light weight, radiation is low, and screen intensity is even, not disturbed by external magnetic field, color rendition degree height can provide the visual angle of large-size screen monitors in any environment, and is fast etc. to vertiginous picture response speed.These advantages make the PDP display with other display process of competition in, occupied certain advantage.But present PDP display also has weak point, and as the power consumption height of plasma display, and brightness and light efficiency are lower etc.
In order to obtain the more bright-coloured quality of image of higher contrast and color, PDP display in the market posts a diaphragm before display screen.Its objective is the ambient light reflectivity is reduced, realize that when shutdown the depth of field state of display screen is to obtain high texture.Its basic structure of the diaphragm of existing P DP display mainly is made up of near infrared ray barrier layer, neon photoresistance tomography, high light reflectivity barrier layer and PET (PETG) material, the diaphragm thickness of this structure is generally 100～500 μ m, its transmitance is generally 30%-50%, and transmitance the people is for a change again after producing.Because the complete machine luminous efficiency of PDP display is relatively low at present, the transmitance of adding this diaphragm is lower, though the PDP display seems that texture is better under off-mode, the overall brightness of PDP display will be subjected to very big influence when start.If the transmitance of diaphragm is improved, though image brightness will be improved, the texture of PDP display is with variation under off-mode, even the internal structure that can see the PDP panel makes the aesthetic effect of its outward appearance not good enough.Based on above various reasons, the utility model proposes a kind of new display screen: the adjustable display screen of a kind of transmitance dynamic real-time.
Summary of the invention
The purpose of this utility model is to improve the transmitance of display screen when watching image as much as possible, to obtain the image of high brightness, makes effective light extraction efficiency of PDP display can improve 30% on an existing basis, thereby can obtain high brightness under same power consumption; Perhaps under the situation that obtains same brightness, Overall Power Consumption descends greatly.And the light transmission rate of display screen is reduced to less than 30% under off-mode, to keep depth of field state, improves the texture of PDP display complete machine.Simultaneously, also can be according to the brightness and the strong and weak transmitance of adjusting display screen in real time of ambient light of image frame, to obtain the optimal images quality.
To achieve these goals, as shown in Figure 1, the adjustable display screen of transmitance dynamic real-time that the utility model provides, it includes traditional display screen part and the filter coating on the display screen, it is characterized in that this filter coating is the adjustable filter coating (12) of transmitance dynamic real-time that adopts, promptly on the naked glass bulb display screen of original PDP, adopt thin-film technique successive sedimentation first transparency conducting layer 5, ion storage layer 4, ion conductor layer 3, electrochromism 2, second transparency conducting layer 6 and lining
The end 1, constitute the adjustable filter coating (12) of transmitance dynamic real-time.Wherein substrate thickness is 10～800 μ m, the every tunic thickness of other thin layers is generally 100-1000nm, said method also can be earlier with first transparency conducting layer 5, ion storage layer 4, ion conductor layer 3, electrochromic layer 2, second transparency conducting layer adopts on the thin-film technique deposit transparent substrate 1 for 6 five layers and constitutes the adjustable filter coating 12 of light transmission rate dynamic real-time, then this filter coating 12 is attached to by pressure sensitive adhesive or other transparent colloids on glass bulb 7 screens of PDP display and has constituted the adjustable display screen of transmitance dynamic real-time together, the real-time regulated of transmitance still realizes by the voltage V that regulates transparency conducting layer 5 and transparency conducting layer 6.In the utility model structure, electrochromic layer is being born the effect that changes transmitance, here select for use tungsten oxide, nickel oxide, titanium oxide or other oxide materials, organic electrochromic material etc. to make. transparency conducting layer is responsible for providing the output and the input of electronics between electrochromic layer and the ion storage layer, is made by ITO (tin indium oxide), tin ash, zinc oxide or other transparent conductive materials; The counterion that provides electrochromic layer required then is provided respectively for ion conductor layer and ion storage layer, and make ion the effect of charge transfer between transmission and the balance total between electrochromic layer and the transparency conducting layer, this two-layer can making by lithium tantalate, magnesium fluoride, aluminum fluoride lithium, gel electrolyte, vanadic oxide or other identical function materials; Substrate adopts transparent materials such as PET, glass to make.Be added in the voltage V of transparency conducting layer 5 and transparency conducting layer 6 by adjusting, make the material generation electrochemical redox reaction of electrochromic layer 2, thereby make material get betatopic, the change that causes the material transmitance realizes the transmitance of real-time dynamic adjustments display screen.
The adjustable display applications of transmitance dynamic real-time that the utility model is provided makes display not only have very high transmitance relatively when image shows, and regulates the extra power consumption also very low (can ignore basically) that transmitance needs in display.The transmitance of this product is can be as required adjustable continuously between 30%～80%, thereby the brightness of display and reconstruction of image power improve greatly when watching image.
Therefore, adopted PDP display of the present utility model, when the normal play image, compared and have the following advantages: 1) under identical power consumption, improved the image brilliance (the highest raising 30%) of PDP display significantly with the display that uses prior art; 2) obtaining to greatly reduce power consumption and radiation under the identical situation of screen intensity, to realize environmental protection.3) under off-mode, display screen can be in depth of field state, has improved the aesthetic appearance and the texture of display, strengthens the competitiveness of product in market.And, based on identical principle, the adjustable display screen of this transmitance dynamic real-time is installed on LCD display, the LCD display after the installation also has than better display effect before not installing.
Description of drawings
Fig. 1 is the installation diagram of the adjustable display screen of the utility model transmitance dynamic real-time.Wherein 13 is display, and 7 is the naked glass bulb of PDP display or the outermost layer panel of LCD, and 1 is substrate, and 2 is electrochromic layer, and 3 is the ion conductor layer, and 4 is ion storage layer, and 5 is first transparency conducting layer, and 6 is second transparency conducting layer.Constitute the adjustable filter coating of light transmission rate dynamic real-time 12 by 1 to 6 thin layer.
Fig. 2 is the vertical view in the adjustable display screen of light transmission rate dynamic real-time of rectangular array structure.Wherein 10 is horizontal wire, and 14 is vertical wires, and 8 is vertical electrode, and 9 is horizontal electrode, and 11 is the outermost layer panel of display, and 12 is the adjustable filter coating of light transmission rate dynamic real-time.Wherein vertical electrode 8 is connected to first transparency conducting layer 5 of all matrix filter coating unit by horizontal wire 10, horizontal electrode 9 is connected to second transparency conducting layer 6 of all matrix filter coating unit by vertical wires 14, with the formation matrix structure, and adopt dynamic scan mode to carry out the addressing driving.
Embodiment
Scheme one, installation have the PDP display of the adjustable display screen of transmitance dynamic real-time of integral structure
Display is selected 42 cun general in the market PDP displays for use, the screen aspect ratio example is 16: 9, be generally the specification of 1024 * 576mm, filter coating is successively by first transparency conducting layer 5, ion storage layer 4, ion conductor layer 3, electrochromism 2, second transparency conducting layer 6 and substrate 1 constitute, and between transparency conducting layer 5 and transparency conducting layer 6, be connected to voltage V, realize that by regulating V the transmitance dynamic real-time of display screen is adjustable.The dimensions of this filter coating is not less than the size of the effective viewing area of screen, and thickness is between 10-800 μ m.This display screen is made simple, and is easy for installation, will have good market prospects.
Scheme two, installation have the LCD display of the adjustable display screen of matrix array formula structure transmitance dynamic real-time
Display is selected 42 cun general in the market LCD display for use, and screen aspect ratio example 16: 9, size are generally 1024 * 576mm specification.The filter coating of matrix array formula structure is that a plurality of measure-alike little rectangle filter coatings are rearranged the filter coating that a size enough covers whole screen in an orderly manner, and specific requirement is carried out the optimization proportioning according to the material of screen size and film.These little rectangle filter coatings are arranged (as Fig. 2) with array architecture, their shared base substrate 11, arrange between the little rectangle filter coating closely, slit very little (it is following to reach micron dimension), each adjacent little rectangle filter coating all has external power supply to control, this external power supply is provided by two electrodes, one is vertical electrode 8, another is a horizontal electrode 9, wherein horizontal electrode 9 is responsible for the row driving, vertical electrode 8 is responsible for row and is driven, and voltage is loaded on little rectangle filter coating first transparency conducting layer 5 and second transparency conducting layer 6 by row-column electrode its light transmission rate is changed.The ranks driving voltage can change according to the content of image, makes the optical property of the little rectangle filter coating on the screen also change thereupon.In image details in a play not acted out on stage, but told through dialogues zone, make its transmitance low, make image seem more black; In the image bright areas, make its transmitance higher, make its image brighter.Thereby the contrast that realizes image is stronger, and image is more bright-coloured.If the size that these little rectangle filter coatings are done is more little, Comparatively speaking its overall performance is just good more.The LCD display of the adjustable display screen of rectangular array formula structure transmitance dynamic real-time is installed on LCD, not only improved whole transmitance, also promoted picture contrast, the color on the picture is just more bright-coloured, image is more clear, has given full play to the advantage of its transmitance dynamic adjustable.Therefore, the LCD display of the adjustable display screen of transmitance dynamic real-time of the present utility model is installed compares, good application prospects is also arranged with other displays in the market.
Claims (3)
1. display screen that the transmitance dynamic real-time is adjustable, it includes traditional display screen part and the filter coating on the display screen, it is characterized in that this filter coating is the adjustable filter coating (12) of transmitance dynamic real-time of employing.
2. the adjustable display screen of transmitance dynamic real-time according to claim 1, the filter coating (12) that it is characterized in that the transmitance dynamic adjustable is by substrate (1), first transparency conducting layer (5), ion storage layer (4), ion conductor layer (3), electrochromic layer (2), second transparency conducting layer (6) constitute, and be connected to voltage V between two transparency conducting layers.
3. the adjustable display screen of transmitance dynamic real-time according to claim 2, it is characterized in that described filter coating has matrix array formula structure, this matrix array formula structure is to be rearranged in order by a plurality of measure-alike little rectangle filter coatings, each adjacent little rectangle filter coating all is connected to external power supply, external power supply is provided by two electrodes, and one is vertical electrode (8), and one is horizontal electrode (9), horizontal electrode is responsible for row and is driven, and vertical electrode is responsible for row and is driven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206028135U CN201927572U (en) | 2010-11-12 | 2010-11-12 | Display screen capable of dynamically and timely adjusting transmissivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206028135U CN201927572U (en) | 2010-11-12 | 2010-11-12 | Display screen capable of dynamically and timely adjusting transmissivity |
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| Publication Number | Publication Date |
|---|---|
| CN201927572U true CN201927572U (en) | 2011-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010206028135U Expired - Fee Related CN201927572U (en) | 2010-11-12 | 2010-11-12 | Display screen capable of dynamically and timely adjusting transmissivity |
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| CN (1) | CN201927572U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102789759A (en) * | 2012-07-30 | 2012-11-21 | 电子科技大学 | Method for improving contrast of PDP (Plasma Display Panel) |
-
2010
- 2010-11-12 CN CN2010206028135U patent/CN201927572U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102789759A (en) * | 2012-07-30 | 2012-11-21 | 电子科技大学 | Method for improving contrast of PDP (Plasma Display Panel) |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20121112 |