CN105607315A - Display module and convertible peeping preventing displayer - Google Patents
Display module and convertible peeping preventing displayer Download PDFInfo
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- CN105607315A CN105607315A CN201610154272.6A CN201610154272A CN105607315A CN 105607315 A CN105607315 A CN 105607315A CN 201610154272 A CN201610154272 A CN 201610154272A CN 105607315 A CN105607315 A CN 105607315A
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- peep
- proof
- nesa coating
- module
- layer
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1323—Arrangements for providing a switchable viewing angle
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Liquid Crystal (AREA)
Abstract
The invention relates to a display module which comprises a backlight module and a display module. A light conversion module is further included and comprises a peeping preventing layer and a light conversion layer. The peeping preventing layer and the light conversion layer are arranged between the backlight module and the display module and sequentially arranged in the light emitting direction of the backlight module. The peeping preventing layer comprises a transparent insulation film, a peeping preventing structure and a first transparent conductive film shared by the light conversion layer. The transparent insulation film is attached to the backlight module. The peeping preventing structure is arranged between the transparent insulation film and the first transparent conductive film and fixed to the transparent insulation film and is perpendicular to the backlight module. The light conversion layer comprises a first transparent conductive film, a second transparent conductive film and liquid crystals, and the space between the first transparent conductive film and the second transparent conductive film is filled with the liquid crystals. The display module can be switched between a visible sharing function and a peeping preventing function and is small in thickness. The invention further relates to a convertible peeping preventing displayer.
Description
Technical field
The present invention relates to display technology field, particularly relate to a kind of demonstration module and reversible type peep-proof aobviousShow device.
Background technology
Along with scientific and technological development, the electronic equipments such as mobile phone, personal digital assistant and computer more and moreUniversal. In electronic equipment use procedure, how to protect individual privacy also to become the required solution of electronic equipmentOne of problem. Such as mobile phone, user just exists the information content to be stolen a glance at checking, while editing important informationThe potential safety hazard that causes privacy to be revealed, and personal terminal is being taken public transport or in other public situationTime, user does not wish that people around sees the content showing on own mobile phone screen. This asks traditional solutionThe mode of topic is: increase one deck peep-proof layer at the outer surface of the display of electronic equipment, to reach the order of peep-proof. The internal structure of peep-proof layer is similar with trickle shutter: when visual angle is during in vertical display, and trickle hundredThe light that leaf window construction stops is considerably less, and display frame meeting presents. When horizontal picture is partial at visual angleTime, light is oblique will be absorbed by the light absorbent of structure side wall when the trickle shutter, angleLarger absorbed light will be more. Can only within the scope of certain angle, see like this screen shown inHold. Display after adopting in this way has single peep-proof function, in the time that needs carry out information sharing,Can only be by removing or destroy original additional peep-proof layer, be not therefore well positioned to meet user at differentUser demand under scape.
Summary of the invention
Based on this, be necessary one can visual share with peep-proof function between change and thickness lessDemonstration module and reversible type peep-proof display.
A kind of module that shows, comprises backlight module and display module; Also comprise light modular converter; Described lightLine modular converter comprises peep-proof layer and light conversion layer; Described peep-proof layer and described light conversion layer are arranged at instituteState between backlight module and described display module and along the light direction of described backlight module and set gradually; DescribedPeep-proof layer comprises transparent insulating film, peep-proof structure and the first nesa coating sharing with described light conversion layer;Described transparent insulating film and the laminating of described backlight module; Described peep-proof structure be arranged at described transparent insulating film andBetween described the first nesa coating; Described peep-proof structure is fixed on described transparent insulating film and perpendicular to instituteState backlight module; Described light conversion layer comprises described the first nesa coating, the second nesa coating and fills outFill the liquid crystal between described the first nesa coating and the second nesa coating.
In an embodiment, described peep-proof structure is shutter therein.
In an embodiment, the sidewall of described shutter is also coated with light absorbent layer therein.
In an embodiment, described peep-proof structure is the shutter peep-proof knot forming by plastic resin material thereinStructure.
Therein in an embodiment, the thickness of described the first nesa coating and described the second nesa coatingBe less than 0.2 millimeter.
In an embodiment, described the first nesa coating and described the second nesa coating are thereinLight rate higher than 90% and printing opacity haze value lower than 5% conducting film.
In an embodiment, described light conversion layer also comprises isolation structure therein; Described isolation structure is usedIn described light conversion layer is divided into at least two regions; Described liquid crystal is at least filled one of them region.
In an embodiment, the shutter peep-proof structure in described peep-proof layer is arranged at described peep-proof layer thereinRegional area in.
In an embodiment, described display module is LCD MODULE therein; Described LCD MODULEComprise the lower polaroid, tft array, liquid crystal layer, colored filter and the upper polaroid that stack gradually; InstituteState lower polaroid and described the second nesa coating laminating.
A kind of reversible type peep-proof display, comprising: the demonstration module as described in aforementioned arbitrary embodiment; SupplyElectricity power supply, is connected with described the first nesa coating and described the second nesa coating respectively, forms and powers backRoad; And gauge tap, be arranged on described current supply circuit, for controlling the break-make of described current supply circuit.
Above-mentioned demonstration module and reversible type peep-proof display, peep-proof layer and light conversion layer share first transparentConducting film, can effectively reduce the thickness that shows module. When the first nesa coating in light conversion layer andAfter the second nesa coating powers up, liquid crystal is ordered arrangement under the effect of voltage, can not change original process anti-Peep the direction of propagation of the light of layer, thereby realize peep-proof function. When the first electrically conducting transparent in light conversion layerWhile not powering up on film and the second nesa coating, liquid crystal is disordered state, thereby makes light to all directionsDisperse, abolish the direction of propagation of original light through peep-proof layer, make to show that module does not produce peep-proof effect,Realizing visual sharing functionality, is also that above-mentioned demonstration module can turn visual sharing between peep-proof functionChange, thereby meet the user demand of user under different scenes.
Brief description of the drawings
Fig. 1 is the schematic diagram of the demonstration module in an embodiment;
Fig. 2 is the structural representation of the display module in Fig. 1;
Fig. 3 is the schematic diagram of the light modular converter in Fig. 1;
Fig. 4 is the schematic diagram of the peep-proof structure in Fig. 3;
Fig. 5 is the schematic diagram angle of peep-proof structure of the demonstration module in Fig. 3 and the relation curve of light transmittance.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and realityExecute example, the present invention is further elaborated. Only should be appreciated that specific embodiment described hereinOnly, in order to explain the present invention, be not intended to limit the present invention.
Fig. 1 is the schematic diagram of the demonstration module in an embodiment, and this demonstration module is for showing data messageShow, and there is visual sharing and two kinds of show states of peep-proof, thereby user can be shown it as requiredShow that state independently switches. This demonstration module comprises backlight module 100, light modular converter 200 and aobviousShow module 300. Wherein, light modular converter 200 is arranged between backlight module 100 and display module 300.
Backlight module 100 is for providing backlight. 300 of display modules are for showing corresponding data message,As Word message or pictorial information. Backlight module 100 and display module 300 all can adopt this area conventionalStructure realize. In the present embodiment, display module 300 is LCD MODULE, and it comprises along mould backlightLower polaroid (Polarizer) 310, tft array (TFT-Array) that the light direction of piece 100 sets gradually320, liquid crystal layer (LC) 330, colored filter (ColorFilter) 340 and upper polaroid (Analyzer)350, as shown in Figure 2.
Light modular converter 200 comprises peep-proof layer 210 and light conversion layer 220, as shown in Figure 3. Wherein, anti-Peeping layer 210 and light conversion layer 220 sets gradually along the light direction of backlight module 100. Peep-proof layer 210 comprisesTransparent insulating film 212, peep-proof structure 214 and the first nesa coating 230 of sharing with light conversion layer 220.Transparent insulating film 212 is bonded to each other with backlight module 100. In the present embodiment, transparent insulating film 212 is PETFilm. In other embodiment, transparent insulating film 212 can be also PC film. Peep-proof structure 214 is fixingOn transparent insulating film 212 and perpendicular to backlight module 100, arrange. Peep-proof structure 214 is arranged at transparent insulating film212 and first between nesa coating 230. Preferably, peep-proof structure 214 respectively with transparent insulating film 212 HesThe first nesa coating 230 connects. Peep-proof structure 214 can be shutter. In the present embodiment, anti-Peep structure 214 for trickle shutter, as shown in Figure 4. The sidewall of trickle shutter can also applyLight absorbent layer, to strengthen peep-proof effect. In the time that user perspective is surperficial perpendicular to demonstration module, trickle blindsThe light that window construction stops is considerably less, and user can view and show module displays picture out. Work as useFamily is oblique to be checked while showing module surperficial, and light is oblique will be by structure side during through trickle shutterThe light absorbent of wall absorbs. Larger the absorbed light of angle will be more, like this can only be at certain angleIn scope, see and show the shown content of module. The generation of visible angle can be by peep-proof structure 214Light channel structure design is realized, for example, can by adjust trickle shutter spacing, structural thickness,Highly realize. In the present embodiment, the design of the light channel structure by peep-proof structure 214 (highly andSpacing etc.) angular field of view can be limited in 60 degree, allow user just to show module or fromPerpendicular to showing that module direction is 30 degree and watches with interior direction. And when user from perpendicular to show module sideWatch while showing module to being the direction that is greater than 30 degree, just can only see very dark, thereby realize peep-proof meritEnergy. Fig. 5 is the field-of-view angle of demonstration module and the relation curve of light transmittance in the present embodiment. Wherein, the visual fieldAngle is sight line and the angle of direction perpendicular to showing module, and a side is being for just, and opposite side is for bearing. From Fig. 5In also can find out, the peep-proof structure 214 in the present embodiment can realize good peep-proof function. In this enforcementIn example, peep-proof structure 214 is evenly arranged in whole peep-proof layer 210. In other embodiment, peep-proof knotStructure 214 can be arranged in the subregion of peep-proof layer 210, thereby makes only subregion have peep-proof function,Other regions that peep-proof structure 214 is not set present single visual shared state.
The first nesa coating 230 is shared by peep-proof layer 210 and light conversion layer 220, without again at peep-proofLayer 210 surface arrange layer of transparent dielectric film, as PET film, thereby can reduce the thickness of whole demonstration module,And reduce material materials, save product cost. Light conversion layer 220 also comprises the second nesa coating 222And be filled in the liquid crystal 224 between the first nesa coating 230 and the second nesa coating 222. Wherein, secondNesa coating 222 is bonded to each other with the lower polaroid 310 in display module 300. In the present embodiment, firstThe thickness of nesa coating 230 and the second nesa coating 222 is all less than 0.2mm, and its light transmittance higher than90%, printing opacity haze value is lower than 5%. The first nesa coating 230 and the second nesa coating 222 can beBright conductive oxide, for example: indium tin oxide. The first nesa coating 230 and the second nesa coating 222Also can be transparent hybrid conductor, for example, metal reinforced oxide conductor. The first nesa coating230 and second nesa coating 222 can also be organic conductor, for example, PEDOT (poly-(the sub-second two of 3,4-Oxygen base thiophene)) and similar material, nano silver wire, CNT or Graphene etc., or each organic conductorCombination. In the present embodiment, the first nesa coating 230 and the second nesa coating 222 are ITO film.In one embodiment, light conversion layer 220 is also provided with isolation structure. Isolation structure is used for light conversion layer220 are divided into several regions. Liquid crystal 224 can need to be filled subregion according to design. Therefore.Show that the region that is filled with liquid crystal 224 in module has visual sharing and peep-proof two states, and can carry outConversion between state, the region of filling liquid crystal 224 does not have single peep-proof function. By liquid crystal 224And peep-proof structure 214 according to show need to carry out part arrange, alleviate demonstration module weight in canTo reduce production costs.
Light modular converter 200 has visual sharing and peep-proof two states. Particularly. When the external world gives first saturatingWhen bright conductive module 230 and the second electrically conducting transparent module 222 power up, liquid crystal 224 is orderly row under voltage effectRow, thus present pellucidity. When liquid crystal 224 is pellucidity, can not change from peep-proof structure 214The transmission direction of light, thus realize peep-proof function. When the external world does not give the first nesa coating 230 and second saturatingWhen bright conducting film 222 powers up, liquid crystal 224 is in disordered state, thereby presents cloudy surface state. When liquid crystal 224While being cloudy surface state, can make to disperse to all directions from the light of peep-proof structure 214, realize multi-angle visibleSharing functionality. Also be that above-mentioned demonstration module can be changed visual sharing between peep-proof function, therebyMeet the user demand of user under different scenes. And peep-proof layer 210 and light conversion layer 220 shares theThereby a nesa coating 230 can reduce the thickness of whole demonstration module, and reduces material materials, has savedProduct cost. And, show that the peep-proof of module and the switching of sharing functionality realize, i.e. light modular converter 200Be to be integrated in demonstration module internal, do not affect outward appearance, can not be subject to the impact of external environment condition and produce break orThe phenomenon that person comes off, reliability is higher, and service life is longer.
The present invention also provides a kind of reversible type peep-proof display, and it comprises aobvious described in aforementioned arbitrary embodimentShow module, also comprise power supply and gauge tap. Power supply respectively with the first electrically conducting transparent module andThe second electrically conducting transparent module connects, to form current supply circuit. Gauge tap is arranged on current supply circuit, usesIn the break-make of controlling current supply circuit. Therefore, user can operate gauge tap as required accordingly,Thereby realize display in the visual conversion of sharing between peep-proof function, to meet user under different scenesApplication demand.
Each technical characterictic of the above embodiment can combine arbitrarily, for making to describe succinctly, not rightThe all possible combination of each technical characterictic in above-described embodiment is all described, but, as long as these skillsThere is not contradiction in the combination of art feature, is all considered to be the scope that this description is recorded.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed,But can not therefore be construed as limiting the scope of the patent. It should be pointed out that for this areaThose of ordinary skill, without departing from the inventive concept of the premise, can also make some distortion and changeEnter, these all belong to protection scope of the present invention. Therefore, the protection domain of patent of the present invention should be with appended powerProfit requires to be as the criterion.
Claims (10)
1. show a module, comprise backlight module and display module; It is characterized in that, also comprise that light turnsDie change piece; Described light modular converter comprises peep-proof layer and light conversion layer; Described peep-proof layer and described lightConversion layer is arranged between described backlight module and described display module and along the light direction of described backlight moduleSet gradually;
Described peep-proof layer comprise transparent insulating film, peep-proof structure and with described light conversion layer share first saturatingBright conducting film; Described transparent insulating film and the laminating of described backlight module; Described peep-proof structure is arranged at describedBetween bright dielectric film and described the first nesa coating; Described peep-proof structure is fixed on described transparent insulating filmAnd perpendicular to described backlight module;
Described light conversion layer comprise described the first nesa coating, the second nesa coating and be filled in described inLiquid crystal between the first nesa coating and the second nesa coating.
2. demonstration module according to claim 1, is characterized in that, described peep-proof structure is shutterStructure.
3. demonstration module according to claim 2, is characterized in that, the sidewall of described shutterAlso be coated with light absorbent layer.
4. demonstration module according to claim 1, is characterized in that, described peep-proof structure is by mouldingThe shutter peep-proof structure that fat material forms.
5. demonstration module according to claim 1, is characterized in that, described the first nesa coating andThe thickness of described the second nesa coating is less than 0.2 millimeter.
6. demonstration module according to claim 1, is characterized in that, described the first nesa coating andDescribed the second nesa coating be light transmittance higher than 90% and printing opacity haze value lower than 5% conducting film.
7. demonstration module according to claim 1, is characterized in that, described light conversion layer also comprisesIsolation structure; Described isolation structure is for being divided at least two regions by described light conversion layer; Described liquidCrystalline substance is at least filled one of them region.
8. demonstration module according to claim 1, is characterized in that, the peep-proof knot in described peep-proof layerStructure is arranged in the regional area of described peep-proof layer.
9. demonstration module according to claim 1, is characterized in that, described display module is liquid crystalShow module; Described LCD MODULE comprises the lower polaroid, tft array, liquid crystal layer, the coloured silk that stack graduallyColo(u)r filter and upper polaroid; Described lower polaroid and described the second nesa coating laminating.
10. a reversible type peep-proof display, is characterized in that, comprising:
Demonstration module as described in as arbitrary in claim 1～9;
Power supply, is connected with described the first nesa coating and described the second nesa coating respectively, formsCurrent supply circuit; And
Gauge tap, is arranged on described current supply circuit, for controlling the break-make of described current supply circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610154272.6A CN105607315A (en) | 2016-03-17 | 2016-03-17 | Display module and convertible peeping preventing displayer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610154272.6A CN105607315A (en) | 2016-03-17 | 2016-03-17 | Display module and convertible peeping preventing displayer |
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| CN201610154272.6A Pending CN105607315A (en) | 2016-03-17 | 2016-03-17 | Display module and convertible peeping preventing displayer |
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| CN105866990A (en) * | 2016-06-17 | 2016-08-17 | 京东方科技集团股份有限公司 | Display device |
| CN106249404A (en) * | 2016-10-14 | 2016-12-21 | 上海天马微电子有限公司 | Peep-proof display device |
| CN106707652A (en) * | 2017-01-12 | 2017-05-24 | 京东方科技集团股份有限公司 | Display device and control method thereof |
| CN108594514A (en) * | 2018-04-28 | 2018-09-28 | 京东方科技集团股份有限公司 | A kind of display panel and the display device with it |
| CN110764304A (en) * | 2019-12-03 | 2020-02-07 | 深圳菲尔泰光电有限公司 | A new and efficient anti-peep display module |
| CN111796438A (en) * | 2019-04-09 | 2020-10-20 | 中强光电股份有限公司 | Visual angle switching module and display device |
| CN112394547A (en) * | 2019-08-16 | 2021-02-23 | 中强光电股份有限公司 | Visual angle control structure and display device |
| CN113031319A (en) * | 2019-12-09 | 2021-06-25 | 和硕联合科技股份有限公司 | Display device |
| CN114384714A (en) * | 2020-10-18 | 2022-04-22 | 中强光电股份有限公司 | Display device |
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| US10606104B2 (en) | 2016-06-17 | 2020-03-31 | Boe Technology Group Co., Ltd. | Display device comprising a privacy mechanism having movable transparent particles in a cavity body to form a lens-like structure capable of narrowing a display view angle |
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| CN111796438A (en) * | 2019-04-09 | 2020-10-20 | 中强光电股份有限公司 | Visual angle switching module and display device |
| CN111796438B (en) * | 2019-04-09 | 2024-07-26 | 中强光电股份有限公司 | Viewing angle switching module and display device |
| CN112394547A (en) * | 2019-08-16 | 2021-02-23 | 中强光电股份有限公司 | Visual angle control structure and display device |
| CN110764304A (en) * | 2019-12-03 | 2020-02-07 | 深圳菲尔泰光电有限公司 | A new and efficient anti-peep display module |
| CN113031319A (en) * | 2019-12-09 | 2021-06-25 | 和硕联合科技股份有限公司 | Display device |
| CN114384714A (en) * | 2020-10-18 | 2022-04-22 | 中强光电股份有限公司 | Display device |
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