CN203299494U - Double-face displayer - Google Patents
Double-face displayer Download PDFInfo
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- CN203299494U CN203299494U CN2013202953775U CN201320295377U CN203299494U CN 203299494 U CN203299494 U CN 203299494U CN 2013202953775 U CN2013202953775 U CN 2013202953775U CN 201320295377 U CN201320295377 U CN 201320295377U CN 203299494 U CN203299494 U CN 203299494U
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Abstract
The utility model discloses a double-face displayer which comprises a double-face light guiding plate, a first polaroid, a second polaroid, a first reflecting polaroid, a second reflecting polaroid, a first array base plate, a second array base plate, a first liquid crystal layer, a second liquid crystal layer, a first thin film and a second thin film. The first reflecting polaroid, the first polaroid, the first array base plate, the first liquid crystal layer and the first thin film are arranged on the upper surface of the double-face light guiding plate in sequence. The second reflecting polaroid, the second polaroid, the second array base plate, the second liquid crystal layer and the second thin film are arranged on the lower surface of the double-face light guiding plate in sequence. The first thin film comprises a colored film base plate or a photonic crystal film. The second thin film comprises a colored film base plate or a photonic crystal film. The double-face displayer has the advantages of being low in power loss, small in size, low in cost and the like, and the double-face displayer can be used in business halls of window industries such as communication industries, government windows, financial industries and traffic industries.
Description
Technical field
The utility model relates to the display technique field, relates in particular to a kind of display with double faces.
Background technology
Display with double faces refers to a kind of novel display device with two display screens, can show simultaneously image in the both sides of same screen.Traditional display with double faces mostly is, and two display panels are staggered relatively, make the both sides of display with double faces be respectively arranged with a display panel, like this, can reach the double-sided display effect, but its essence is that the display panel of two single faces is superposeed, it takes up room greatly, power consumption is high, and can not satisfy the demands.
The utility model content
In view of this, fundamental purpose of the present utility model is to provide a kind of display with double faces, have low in energy consumption, volume is little, low cost and other advantages, can be used for the business hall of the service trades such as communications industry, government's window, financial industry, transportation industry.
For achieving the above object, the technical solution of the utility model is achieved in that
A kind of display with double faces, comprise double-sided light guide plate, the first polaroid, the second polaroid, the first reflective polarizers, the second reflective polarizers, the first array base palte, the second array base palte, the first liquid crystal layer, the second liquid crystal layer, the first film, the second film; Wherein, the upper surface of described double-sided light guide plate is disposed with described the first reflective polarizers, the first polaroid, the first array base palte, the first liquid crystal layer, the first film; The lower surface of described double-sided light guide plate is disposed with described the second reflective polarizers, the second polaroid, the second array base palte, the second liquid crystal layer, the second film;
Described the first film comprises color membrane substrates or crystal film with photon; Described the second film comprises color membrane substrates or crystal film with photon.
Described crystal film with photon comprises: common electrode layer and be formed at the pixel layer on described common electrode layer, wherein, described pixel layer includes photonic crystal.
Putting in order of the described photonic crystal of described crystal film with photon inside can change under alive effect outside.
The direction of vibration of described the first polaroid is identical with the direction of vibration of described the first reflective polarizers; And/or,
The direction of vibration of described the second polaroid is identical with the direction of vibration of described the second reflective polarizers.
The direction of vibration of described the first reflective polarizers is vertical with the direction of vibration of described the second reflective polarizers; And/or,
The direction of vibration of described the first polaroid is vertical with the direction of vibration of described the second polaroid.
Described double-sided light guide plate is the side incidence type light guide plate.
Upper surface and the lower surface of described double-sided light guide plate are provided with site.
The site of described double-sided light guide plate two end portions is less and thin than the site of center section.
Display with double faces provided by the utility model has following advantage and disadvantage:
The utility model utilizes reflective polarizers that light is decomposed into to the light identical with the direction of vibration of described reflective polarizers and the light vertical with the direction of vibration of described reflective polarizers, above-mentioned two kinds of light pass through respectively two faces of described display with double faces, and outwards emission, (described film can be color membrane substrates to described two kinds of light by outermost film in described display with double faces, also can be crystal film with photon) launch, finally enter in observer's eye, to realize the effect of double-sided display; When described film was selected the photonic crystal membrane material, described crystal film with photon can be controlled the internal arrangement order of its photonic crystal by impressed voltage, will through the light of described crystal film with photon, be decomposed into the visible light of specific wavelength, to reach display effect;
Therefore, compared to two display panel display with double faces staggered relatively of traditional use, that the utility model display with double faces has is low in energy consumption, volume is little, low cost and other advantages, and use the business hall that can be used for the service trades such as communications industry, government's window, financial industry, transportation industry.
The accompanying drawing explanation
Fig. 1 is the structural representation of the utility model double face display panel;
Fig. 2 is the structural representation of double-sided light guide plate;
Fig. 3 is the structural representation of crystal film with photon.
Description of reference numerals
1, double-sided light guide plate, the 2, first polaroid, the 3, second polaroid, the 4, first reflective polarizers, 5, the second reflective polarizers, the 6, first array base palte, the 7, second array base palte, 8, the first liquid crystal layer, the 9, second liquid crystal layer, 10, the first film, 11, the second film, 12, light source, 13, O light, 14, E light, 15, display outer frame, 16, site, 17, photonic crystal, 18, common electrode layer, 19, pixel layer.
Embodiment
Below in conjunction with specific embodiment and accompanying drawing, embodiment of the present utility model is described in detail.Obviously, described embodiment is a part of embodiment of the present utility model, rather than whole embodiment.Based on described embodiment of the present utility model, those of ordinary skills obtain under the prerequisite without creative work every other embodiment, belong to the scope that the utility model is protected.
Fig. 1 is the structural representation of the utility model embodiment display with double faces, as shown in Figure 1, a kind of display with double faces, comprise double-sided light guide plate 1, the first polaroid 2, the second polaroid 3, the first reflective polarizers 4, the second reflective polarizers 5, the first array base palte 6, the second array base palte 7, the first liquid crystal layer 8, the second liquid crystal layer 9, the first film 10, the second film 11; Wherein, the upper surface of described double-sided light guide plate 1 is disposed with described the first reflective polarizers 4, the first polaroid 2, the first array base palte 6, the first liquid crystal layer 8, the first film 10; The lower surface of described double-sided light guide plate 1 is disposed with described the second reflective polarizers 5, the second polaroid 3, the second array base palte 7, the second liquid crystal layer 9, the second film 11;
Described the first film 6 comprises color membrane substrates or crystal film with photon; Described the second film 7 comprises color membrane substrates or crystal film with photon.
Here, as shown in Figure 3, described crystal film with photon comprises: common electrode layer 18 and be formed at the pixel layer 19 on described common electrode layer, and wherein, described pixel layer includes photonic crystal;
The direction of vibration of described the first polaroid 2 is identical with the direction of vibration of described the first reflective polarizers 4; The direction of vibration of described the second polaroid 3 is identical with the direction of vibration of described the second reflective polarizers 5;
Further, the direction of vibration of described the first reflective polarizers 4 is vertical with the direction of vibration of described the second reflective polarizers 5; And the direction of vibration of described the first polaroid 2 is vertical with the direction of vibration of described the second polaroid 3;
Further, described double-sided light guide plate 1 is the side incidence type light guide plate;
Further, the upper surface of described double-sided light guide plate 1 and lower surface are provided with site;
Further, the site (pattern) of described double-sided light guide plate 1 two end portions is little and thin, and (pattern) is large and close in the site of intermediate portion, so that the lip-deep light of described double-sided light guide plate is uniformly distributed;
Further, described display with double faces also comprises display outer frame 15, described display outer frame 15 is arranged at the both sides of described double-sided light guide plate 1, and the both sides that are arranged at described the first polaroid 2, the second polaroid 3, the first reflective polarizers 4, the second reflective polarizers 5, the first array base palte 6, the second array base palte 7, the first liquid crystal layer 8, the second liquid crystal layer 9, the first film 10, the second film 11.
The principle of work of the utility model display with double faces is as follows:
Natural light essence is a kind of electromagnetic wave, and therefore, the direction of propagation of light wave is exactly the electromagnetic wave propagation direction; Electric oscillation vector E in light wave is all vertical with velocity of propagation v with magnetic vibration vector H, this specific character based on light wave, can to natural light, filter by reflective polarizers, when the direction of vibration of described light wave is consistent with the direction of vibration of reflective polarizers, light wave can be by described reflective polarizers, and when the direction of vibration of the direction of vibration of described light wave and reflective polarizers was vertical, light wave will be blocked and reflect.
Here, it should be noted that polaroid is identical with the principle of work of reflective polarizers, is all to allow the direction of vibration light identical with polaroid (or reflective polarizers) to pass through, and stops the light that direction of vibration is vertical with polaroid (or reflective polarizers); And the utility model increases reflective polarizers, can reflect more light to increase display brightness.
the double-sided light guide plate 1 that the utility model adopts is the side incidence type light guide plate, be that light source 12 enters in the side of described display with double faces, as shown in Figure 1, at first the light that light source 12 sends enter double-sided light guide plate 1, the upper surface of described double-sided light guide plate 1 and lower surface be provided with arrange as shown in Figure 2 site 16 (pattern), described double-sided light guide plate 1 can be arranged and destroy the total reflection phenomenon of the light that sends through light source 12 by site (pattern) 16, the described double-sided light guide plate 1 of light process that described light source 12 is sent, and launch perpendicular to described double-sided light guide plate 1, make described light at described display with double faces internal communication, due to the two end portions of described double-sided light guide plate 1 near light source 12, light is the strongest, and the pars intermedia separate light source of described double-sided light guide plate 1 is far away, light a little less than, therefore, for making to be uniformly distributed through the light of described double-sided light guide plate, the site (pattern) of described double-sided light guide plate 1 two end portions must be little and thin, the site of intermediate portion (pattern) must be large and close to reflect more light, and then guarantee that the lip-deep light of described double-sided light guide plate 1 is uniformly distributed,
When light that described light source 12 sends after described double-sided light guide plate 1 uniform emission goes out, at first described light pass through described the first reflective polarizers 4 or the second reflective polarizers 5, be that the light that sends of described light source 12 is after the upper surface uniform emission of described double-sided light guide plate 1, through described the first reflective polarizers 4; The light that described light source 12 sends is after the lower surface uniform emission of described double-sided light guide plate 1, through described the second reflective polarizers 5; Because described light is natural light, and the electric oscillation vector E in its light wave is all vertical with velocity of propagation v with magnetic vibration vector H, therefore, when the direction of vibration of the direction of vibration of described light light wave and described the first reflective polarizers 4 (or second reflective polarizers 5) was identical, described light can be by described the first reflective polarizers 4 (or second reflective polarizers 5); When the direction of vibration of the direction of vibration of described light light wave and described the first reflective polarizers 4 (or second reflective polarizers 5) is vertical, described light can not be by described the first reflective polarizers 4 (or second reflective polarizers 5), and described light is reflected back.
Here, the light identical with described the first reflective polarizers direction of vibration is defined as O light 13, and the light vertical with described the first reflective polarizers direction of vibration is defined as E light 14; Because the direction of vibration of described the first reflective polarizers is vertical with the direction of vibration of described the second reflective polarizers, therefore, the light identical with described the second reflective polarizers direction of vibration is E light 14, and the light vertical with described the second reflective polarizers direction of vibration is O light 13;
Further, the light that described light source 12 sends is after described double-sided light guide plate 1 uniform emission, and the travel path in described display with double faces inside is specially:
through the light of the upper surface of described double-sided light guide plate 1 emission, through the first reflective polarizers 4 time, only have O light 13 to pass through, described O light 13 continues upwards to propagate, because the direction of vibration of described the first polaroid 2 is identical with the direction of vibration of described the first reflective polarizers 4, therefore, described O light 13 can be launched by described the first polaroid 2, also pass successively the first array base palte 6, the first liquid crystal layer 8 and the first film 10, finally enters in beholder's eye, and because the direction of vibration of E light 14 is vertical with the direction of vibration of described the first reflective polarizers 4, therefore be blocked and reflect back, the described E light 14 that is reflected back enters the second reflective polarizers 5 by described double-sided light guide plate 1, because the direction of vibration of described the second reflective polarizers 5 is identical with the direction of vibration of described E light 14, described E light 14 can be by described the second reflective polarizers 5, direction of vibration due to described the second polaroid 3 is identical with the direction of vibration of described the second reflective polarizers 5 again, therefore, described E light 10 can be launched by described the second polaroid 3, and pass successively the second array base palte 7, the second liquid crystal layer 9 and the second film 11, finally enter in observer's eye,
in like manner, through the light of the lower surface of described double-sided light guide plate 1 emission, through the second reflective polarizers 5 time, only have E light 14 to pass through, described E light 14 continues to propagate downwards, because the direction of vibration of described the second polaroid 3 is identical with the direction of vibration of described the second reflective polarizers 5, therefore, described E light 14 can be launched by described the second polaroid 3, also pass successively the second array base palte 7, the second liquid crystal layer 9 and the second film 11, finally enters in beholder's eye, and because the direction of vibration of O light 13 is vertical with the direction of vibration of described the second reflective polarizers 5, therefore be blocked and reflect back, the described O light 13 that is reflected back enters the first reflective polarizers 4 by described double-sided light guide plate 1, because the direction of vibration of described the first reflective polarizers 4 is identical with the direction of vibration of described O light 13, described O light 13 can be by described the first reflective polarizers 4, direction of vibration due to described the first polaroid 2 is identical with the direction of vibration of described the first reflective polarizers 4 again, therefore, described O light 13 can be launched by described the first polaroid 2, and pass successively the first array base palte 6, the first liquid crystal layer 8 and the first film 10, finally enter in observer's eye, pass through said process, can realize the double-sided display effect.
here, it should be noted that, although the light through described double-sided light guide plate is divided into two, the light that sends through the upper surface of described double-sided light guide plate is after the first reflective polarizers is decomposed, a light is launched through described the first reflective polarizers, another light is reflected back by described the first reflective polarizers, but, because light guide plate is two-way light conductive plate, the light that the lower surface of the described two-way light conductive plate of process sends, after described the second reflective polarizers is decomposed, part light is launched through described the second reflective polarizers, another relation is reflexed to the first reflective polarizers by described the second reflective polarizers, therefore, the energy of the light of described the first reflective polarizers of process can not lost, in like manner, the energy of the light of described the second reflective polarizers of process can not lost yet, and then can not impact display brightness.
It should be noted that on the first array base palte in the utility model embodiment and the second array base palte and comprise a plurality of thin film transistor (TFT) TFT and pixel electrode.
It should be noted that the first film described in the utility model embodiment is color membrane substrates or crystal film with photon; Described the second film is color membrane substrates or crystal film with photon;
when described the first film and the second film all adopt crystal film with photon, because described crystal film with photon is a kind of membrane material that consists of crystal, therefore, described crystal film with photon can be controlled by the size of impressed voltage the arrangement of its inner photonic crystal 17 structures, and along with impressed voltage increases, in described crystal film with photon, photon crystal 17 gaps become large, thereby make the catoptrical wavelength through the light of described crystal film with photon become large, therefore, by control, be applied to the impressed voltage on described crystal film with photon surface, change the gap of photon crystal 17 in described crystal film with photon, and then obtain the visible light of different wave length, be ruddiness, green glow, blue light, to reach the colored purpose that shows.As shown in Figure 3, due to the impressed voltage minimum that is applied to photon crystal surface, described photonic crystal gap minimum, therefore, and the light through pixel layer 19 left sides, the light that reflects away through described photonic crystal is blue light; And along with the increase of the impressed voltage that is applied to photon crystal surface, it is large that described photonic crystal gap becomes, therefore, the light in the middle of described pixel layer, the light that reflects away through described photonic crystal is green glow; Continue again to increase the impressed voltage that is applied to photon crystal surface, described photonic crystal gap continues to increase, and therefore, through the light on described pixel layer the right, the light that reflects away through described photonic crystal is ruddiness.
Described the first film is color membrane substrates, and when the second film was color membrane substrates, light realized that by color membrane substrates the principle of Presentation Function realizes that with liquid crystal indicator of the prior art principle is identical, therefore, repeats no more.
The above, be only preferred embodiment of the present utility model, is not intended to limit protection domain of the present utility model.
Claims (8)
1. a display with double faces, comprise double-sided light guide plate, the first polaroid, the second polaroid, the first reflective polarizers, the second reflective polarizers, the first array base palte, the second array base palte, the first liquid crystal layer, the second liquid crystal layer, the first film, the second film; It is characterized in that, the upper surface of described double-sided light guide plate is disposed with described the first reflective polarizers, the first polaroid, the first array base palte, the first liquid crystal layer, the first film; The lower surface of described double-sided light guide plate is disposed with described the second reflective polarizers, the second polaroid, the second array base palte, the second liquid crystal layer, the second film;
Described the first film comprises color membrane substrates or crystal film with photon; Described the second film comprises color membrane substrates or crystal film with photon.
2. display with double faces according to claim 1, is characterized in that, described crystal film with photon comprises: common electrode layer and be formed at the pixel layer on described common electrode layer, wherein, described pixel layer includes photonic crystal.
3. display with double faces according to claim 2, is characterized in that, putting in order of the described photonic crystal of described crystal film with photon inside can change under alive effect outside.
4. display with double faces according to claim 1 and 2, is characterized in that,
The direction of vibration of described the first polaroid is identical with the direction of vibration of described the first reflective polarizers; And/or,
The direction of vibration of described the second polaroid is identical with the direction of vibration of described the second reflective polarizers.
5. display with double faces according to claim 1 and 2, is characterized in that,
The direction of vibration of described the first reflective polarizers is vertical with the direction of vibration of described the second reflective polarizers; And/or,
The direction of vibration of described the first polaroid is vertical with the direction of vibration of described the second polaroid.
6. display with double faces according to claim 1 and 2, is characterized in that, described double-sided light guide plate is the side incidence type light guide plate.
7. display with double faces according to claim 1 and 2, is characterized in that, upper surface and the lower surface of described double-sided light guide plate are provided with site.
8. display with double faces according to claim 7, is characterized in that, the site of described double-sided light guide plate two end portions is less and thin than the site of center section.
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| CN2013202953775U CN203299494U (en) | 2013-05-27 | 2013-05-27 | Double-face displayer |
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| CN2013202953775U CN203299494U (en) | 2013-05-27 | 2013-05-27 | Double-face displayer |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103969871A (en) * | 2014-04-21 | 2014-08-06 | 合肥鑫晟光电科技有限公司 | Display device |
| CN104035232A (en) * | 2014-06-03 | 2014-09-10 | 京东方科技集团股份有限公司 | Display panel and display device |
| CN104155791B (en) * | 2014-07-11 | 2017-01-18 | 京东方科技集团股份有限公司 | Double-sided display panel and double-sided display device |
| CN107589594A (en) * | 2017-09-25 | 2018-01-16 | 京东方科技集团股份有限公司 | A kind of regulating reflection device, backlight module and display device |
| US10203439B2 (en) | 2016-04-13 | 2019-02-12 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Double-side liquid crystal display device and backlight module thereof |
| CN113238401A (en) * | 2021-05-08 | 2021-08-10 | 京东方科技集团股份有限公司 | Display module assembly and display device |
| CN113759592A (en) * | 2021-10-28 | 2021-12-07 | 深圳市茂晶源光电有限公司 | Polaroid applicable to strong light environment |
| CN113960837A (en) * | 2021-10-29 | 2022-01-21 | 上海天马微电子有限公司 | Double-sided display device |
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2013
- 2013-05-27 CN CN2013202953775U patent/CN203299494U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103969871A (en) * | 2014-04-21 | 2014-08-06 | 合肥鑫晟光电科技有限公司 | Display device |
| CN104035232A (en) * | 2014-06-03 | 2014-09-10 | 京东方科技集团股份有限公司 | Display panel and display device |
| CN104035232B (en) * | 2014-06-03 | 2016-10-05 | 京东方科技集团股份有限公司 | A kind of display floater and display device |
| CN104155791B (en) * | 2014-07-11 | 2017-01-18 | 京东方科技集团股份有限公司 | Double-sided display panel and double-sided display device |
| US9997583B2 (en) | 2014-07-11 | 2018-06-12 | Boe Technology Group Co., Ltd. | Double-faced display panel and double-faced display device |
| US10203439B2 (en) | 2016-04-13 | 2019-02-12 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Double-side liquid crystal display device and backlight module thereof |
| CN107589594A (en) * | 2017-09-25 | 2018-01-16 | 京东方科技集团股份有限公司 | A kind of regulating reflection device, backlight module and display device |
| CN113238401A (en) * | 2021-05-08 | 2021-08-10 | 京东方科技集团股份有限公司 | Display module assembly and display device |
| CN113238401B (en) * | 2021-05-08 | 2023-02-28 | 京东方科技集团股份有限公司 | Display module and display device |
| CN113759592A (en) * | 2021-10-28 | 2021-12-07 | 深圳市茂晶源光电有限公司 | Polaroid applicable to strong light environment |
| CN113759592B (en) * | 2021-10-28 | 2024-03-26 | 深圳市茂晶源光电有限公司 | Polarizer applicable to strong light environment |
| CN113960837A (en) * | 2021-10-29 | 2022-01-21 | 上海天马微电子有限公司 | Double-sided display device |
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Owner name: JINGDONGFANG SCIENCE AND TECHNOLOGY GROUP CO., LTD Free format text: FORMER OWNER: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20150625 Owner name: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY Effective date: 20150625 |
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Effective date of registration: 20150625 Address after: 100015 Jiuxianqiao Road, Beijing, No. 10, No. Patentee after: BOE TECHNOLOGY GROUP Co.,Ltd. Patentee after: BEIJING BOE OPTOELECTRONICS TECHNOLOGY Co.,Ltd. Address before: 100176 Beijing city in Western Daxing District economic and Technological Development Zone, Road No. 8 Patentee before: BEIJING BOE OPTOELECTRONICS TECHNOLOGY Co.,Ltd. |
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