CN104111559A - Mirror surface display device - Google Patents
Mirror surface display device Download PDFInfo
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- CN104111559A CN104111559A CN201410309775.7A CN201410309775A CN104111559A CN 104111559 A CN104111559 A CN 104111559A CN 201410309775 A CN201410309775 A CN 201410309775A CN 104111559 A CN104111559 A CN 104111559A
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Abstract
The invention provides a mirror surface display device. The mirror surface display device comprises a main display panel and an auxiliary display panel. The auxiliary display panel comprises a phase delay liquid crystal box, an auxiliary polaroid arranged on one surface of the phase delay liquid crystal box and a semi-transparent and semi-reflecting film arranged on another surface of the phase delay liquid crystal box. The semi-transparent and semi-reflecting film is attached to the light output surface of the main display panel. In the area, with an electric field loaded, of the phase delay liquid crystal box, incident rays input through the auxiliary polaroid can be converted into emergent rays through the auxiliary polaroid, liquid crystals in the phase delay liquid crystal box and the semi-transparent and semi-reflecting film, and the propagation direction of the emergent rays is perpendicular to the direction of a light-transmitting shaft of the auxiliary polaroid. In the area, without the electric field loaded, of the phase delay liquid crystal box, the incident rays reach the semi-transparent and semi-reflecting film through the liquid crystals in the phase delay liquid crystal box and are reflected and output. According to the mirror surface display device, the semi-transparent and semi-reflecting film does not influence displaying of the main display panel.
Description
Technical field
The present invention relates to daily necessities field, particularly, relate to a kind of mirror face display equipment.
Background technology
Shown in Fig. 1 and Fig. 2 is a kind of mirror face display equipment that can be used as mirror.As depicted in figs. 1 and 2, described mirror face display equipment comprises main display panel 100 and is attached to the semi-transparent semi-reflecting film 200 on main display panel 100.Shown in dotted arrow in Fig. 1 and Fig. 2 is the direction of propagation of light.
Shown in Fig. 1 is the only schematic diagram when the mirror of described mirror face display equipment.Now, main display panel 100 is not opened, and light can not see through main display panel 100 and penetrate.Be radiated at light on the semi-transparent semi-reflecting film 200 of described mirror face display equipment by this semi-transparent semi-reflecting film reflection and inject human eye, therefore, described mirror face display equipment can only be taken as mirror and use.
Shown in Fig. 2 is that the display panel of described mirror face display equipment shows schematic diagram when image.Now, main display panel 100 is opened, and the light that display panel sends can be injected human eye through semi-transparent semi-reflecting film 200.In this simultaneously, the light from described mirror face display equipment external irradiation to semi-transparent semi-reflecting film 200 reflects and also injects human eye through semi-transparent semi-reflecting film 200.Now, observer both can see the content that main display panel 100 shows (as, weather, date etc.), also can see the image reflecting in described mirror face display equipment.
In the time that the display panel of described mirror face display equipment shows image, the image that semi-transparent semi-reflecting film 200 reflects will inevitably have influence on watching of the image of observer to main display panel demonstration.
Therefore, how to prevent that semi-transparent semi-reflecting film causes interference to become this area technical matters urgently to be resolved hurrily to observer in the time that observer watches the image of main display panel demonstration.
Summary of the invention
The object of the present invention is to provide a kind of auxiliary display panel and a kind of mirror face display equipment, described mirror face display equipment is in the time showing image, and semi-transparent semi-reflecting film can not cause interference to observer.
To achieve these goals, the invention provides a kind of mirror face display equipment, described mirror face display equipment comprises main display panel, wherein, described mirror face display equipment also comprises auxiliary display panel, described auxiliary display panel comprises phase delay liquid crystal cell, be arranged on a lip-deep auxiliary polaroid of described phase delay liquid crystal cell and be arranged on another lip-deep semi-transparent semi-reflecting film of described phase delay liquid crystal cell, the exiting surface laminating of described semi-transparent semi-reflecting film and described main display panel, on described phase delay liquid crystal cell, load in the region of electric field, the incident ray of injecting by described auxiliary polaroid can be by described auxiliary polaroid, liquid crystal in described phase delay liquid crystal cell and described semi-transparent semi-reflecting film are converted into emergent ray, the direction of propagation of this emergent ray is perpendicular to the light transmission shaft direction of described auxiliary polaroid, on described phase delay liquid crystal cell, do not load in the region of electric field, the liquid crystal that incident ray can see through in described phase delay liquid crystal cell arrives then reflecting light of described semi-transparent semi-reflecting film.
Preferably, described phase delay liquid crystal cell is quarter-wave phase delay liquid crystal cell.
Preferably, described phase delay liquid crystal cell comprise array base palte and with this array base palte to box arrange to box substrate, described array base palte comprises many data lines and many grid lines, many described data lines and many described grid lines intermesh, described array base palte is divided into multiple pixel cells, in each described pixel cell, is provided with pixel electrode and public electrode.
Preferably, described main display panel is display panels, described main display panel comprises black matrix, and at least a portion of the projection of the grid line of the data line of described phase delay liquid crystal cell and described phase delay liquid crystal cell on described main display panel and described black matrix is overlapping.
On phase delay liquid crystal cell, load the region of electric field, incident ray is converted into emergent ray, because the direction of propagation of described emergent ray is perpendicular to the direction of the light transmission shaft of auxiliary polaroid, therefore, described emergent ray can not see through auxiliary polaroid, therefore, on phase delay liquid crystal cell, loaded in the region of electric field and do not had the light being reflected by semi-transparent semi-reflecting film.In other words, loaded in the region of electric field on phase delay liquid crystal cell, semi-transparent semi-reflecting film can not affect the demonstration of main display panel.And on described mirror face display equipment, still can be used as mirror corresponding to the region of the position that does not load electric field on phase delay liquid crystal cell.
Brief description of the drawings
Accompanying drawing is to be used to provide a further understanding of the present invention, and forms a part for instructions, is used from explanation the present invention, but is not construed as limiting the invention with embodiment one below.In the accompanying drawings:
Fig. 1 is the schematic diagram of existing mirror face display equipment when as mirror;
The schematic diagram that Fig. 2 is existing mirror face display equipment when showing image;
Schematic diagram when Fig. 3 is mirror face display equipment provided by the present invention as mirror;
The schematic diagram that Fig. 4 is mirror face display equipment provided by the present invention when showing image;
Fig. 5 schematic diagram when showing image that is a mirror face display equipment provided by the present invention part as mirror, a part.
Description of reference numerals
100: main display panel 110: lower main polaroid
120: host liquid crystal box 130: upper main polaroid
200: semi-transparent semi-reflecting film 310: phase delay liquid crystal cell
320: auxiliary polaroid
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.Should be understood that, embodiment described herein only, for description and interpretation the present invention, is not limited to the present invention.
As shown in Figure 3 and Figure 4, the invention provides a kind of mirror face display equipment, this mirror face display equipment comprises main display panel 100, wherein, described mirror face display equipment also comprises auxiliary display panel, and this auxiliary display panel comprises phase delay liquid crystal cell 310, is arranged on a lip-deep auxiliary polaroid 320 of this phase delay liquid crystal cell 310 and is arranged on phase delay liquid crystal cell 310 another lip-deep semi-transparent semi-reflecting films 200.
On phase delay liquid crystal cell 310, load in the region of electric field, the incident ray of injecting by auxiliary polaroid 320 can be converted into emergent ray by liquid crystal and semi-transparent semi-reflecting film 200 in auxiliary polaroid 320, phase delay liquid crystal cell 310, and the direction of propagation of this emergent ray is perpendicular to the light transmission shaft direction of auxiliary polaroid 320.On phase delay liquid crystal cell 310, do not load in the region of electric field, the liquid crystal that can see through in phase delay liquid crystal cell 310 by the incident ray of auxiliary polaroid 320 incidents arrives semi-transparent semi-reflecting film 200.Should be understood that, " applying electric field " described herein refers to, the liquid crystal molecule in phase delay liquid crystal cell 310 is applied to electric field.Can apply electric field to whole phase delay liquid crystal cell 310, also can whole phase delay liquid crystal cell 310 not applied to electric field.Certainly, also can apply voltage to the part of phase delay liquid crystal cell 310, and other parts of phase delay liquid crystal cell are not applied to voltage.
As shown in Figure 3, in the time comprising that the mirror face display equipment of described auxiliary display panel is used as mirror, main display panel 100 is closed and is not shown image, that is, do not have light to penetrate from main display panel 100.Described auxiliary display panel is also closed, therefore, whole auxiliary display panel does not all load electric field, extraneous light can see through phase delay liquid crystal cell 310 and arrive semi-transparent semi-reflecting film 200, and enter human eye by semi-transparent semi-reflecting film 200 reflections, can make thus described mirror face display equipment can be used as mirror.
As shown in Figure 4, in the time that main display panel 100 shows image, can be to assisting the corresponding position of image showing with main display panel 100 on the phase delay liquid crystal cell 310 of display panel to apply electric field, the liquid crystal molecule of this position is deflected, and to other positions on phase delay liquid crystal cell 310 (not, corresponding to the position that does not show image on main aobvious panel 100) apply electric field, the liquid crystal molecule of described other positions is not deflected.
On phase delay liquid crystal cell 310, load the region of electric field, incident ray is converted into emergent ray, because the direction of propagation of described emergent ray is perpendicular to the direction of the light transmission shaft of auxiliary polaroid 320, therefore, described emergent ray can not see through auxiliary polaroid 320, therefore, on phase delay liquid crystal cell 310, loaded in the region of electric field and do not had the light being reflected by semi-transparent semi-reflecting film 200.In other words, loaded in the region of electric field on phase delay liquid crystal cell 310, semi-transparent semi-reflecting film 200 can not affect the demonstration of main display panel 100.And on described mirror face display equipment, still can be used as mirror corresponding to the region of the position that does not load electric field on phase delay liquid crystal cell 310.
Below by deflection in auxiliary specific explanations polaroid 320, phase delay liquid crystal cell 310 liquid crystal and semi-transparent semi-reflecting film 200 how incident ray is converted into emergent ray.
External ambient light is in the time injecting described auxiliary display panel, be converted into the linearly polarized light with certain angle through auxiliary polaroid 320, this linearly polarized light with certain angle through the deflection in phase delay liquid crystal cell 310 the phase delay effect of liquid crystal molecule can become left-hand polarization light or right-handed polarized light, after the reflection through semi-transparent semi-reflecting film of left-hand polarization light or right-handed polarized light, can become right-handed polarized light or left-hand polarization light, this dextrorotation or left-hand polarization light are through after phase delay liquid crystal cell, can become the direction of propagation perpendicular to the axial linearly polarized light of printing opacity of auxiliary polaroid 320 (, emergent ray).In the present invention, the concrete structure of phase delay liquid crystal cell 310 is not done to specific requirement, for example, phase delay liquid crystal cell 310 can be quarter-wave phase delay liquid crystal cell, can be also four/three-wavelength phase delay liquid crystal cell.
In order to reduce the general thickness of described auxiliary display panel, preferably, phase delay liquid crystal cell 310 can be quarter-wave phase delay liquid crystal cell.Particularly, in the time that incident ray is injected auxiliary polaroid 320, be converted into linearly polarized light by auxiliary polaroid 320, this linearly polarized light through deflection in phase delay liquid crystal cell 310 the phase delay effect of liquid crystal molecule be converted into left-hand polarization light or right-handed polarized light by linearly polarized light, after left-hand polarization light arrives semi-transparent semi-reflecting film 200, be converted into dextrorotation or left-hand polarization light by semi-transparent semi-reflecting film, this dextrorotation or left-hand polarization light are converted into linearly polarized light after quarter-wave phase delay liquid crystal cell, this linearly polarized light polarization direction is perpendicular to the light transmission shaft direction of auxiliary polaroid 320.Emergent ray because only allowing linearly polarized light, auxiliary polaroid 320 sees through, so can not see through auxiliary polaroid 320 and penetrate.
As noted before, can apply electric field to the part of phase delay liquid crystal cell 310, and other parts are not applied to electric field.In order accurately to control and to apply the region of electric field and do not apply the region of electric field, preferably, phase delay liquid crystal cell 310 can comprise array base palte and with this array base palte to box arrange to box substrate, described array base palte comprises many data lines and many grid lines, many described data lines and many described grid lines intermesh, described array base palte is divided into multiple pixel cells, in each described pixel cell, is provided with pixel electrode and public electrode.
Provide electric field signal to realize by the pixel electrode in partial pixel unit and public electrode the liquid crystal in the regional area of phase delay liquid crystal cell 310 is applied to electric field, and the liquid crystal in other regions is not applied to electric field.
Shown in Fig. 5 is the concrete application scenario of one of mirror face display equipment provided by the present invention.In figure shown in dotted line is the image of mirror face display equipment reflection, and shown in realizing in figure is the image that the main display panel 100 of mirror face display equipment shows.
Described mirror face display equipment can be arranged in pairs or groups for clothes.For example, when consumer chooses clothing on the internet, see that the picture of clothing often cannot imagine the concrete effect of wearing of clothing.Therefore, can, by the picture input mirror face display equipment of clothing, be shown by mirror face display equipment.As shown in Figure 5, on main display panel 100, only a part shows clothing, therefore, can only apply electric field to the part corresponding with the position that shows clothing on auxiliary display panel, make the light of semi-transparent half film reflection can not see through the auxiliary outermost auxiliary polaroid of display panel, in other words, the part Showing Picture on mirror face display equipment it goes without doing mirror.Position not corresponding with the picture of clothing on described auxiliary display panel does not all apply electric field, and therefore, position not corresponding with the picture of clothing on described mirror face display equipment all can be used as mirror.Consumer stands in before described mirror face display equipment, can probably learn the effect of wearing of selected clothing, thereby determine to want to buy described clothing by adjusting position and the posture of oneself standing.
Except showing the picture of clothing, mirror face display equipment can also show other information, for example, and temperature, date, weather conditions etc.
In the time that described main display panel is display panels, described main display panel comprises black matrix, in order to improve the integral finish rate of display device, preferably, at least a portion of the projection of the grid line of the data line of described phase delay liquid crystal cell and described phase delay liquid crystal cell on described main display panel and described black matrix is overlapping.
As shown in Figures 3 and 4, main display panel 100 can comprise lower main polaroid 110, host liquid crystal box 120 and upper main polaroid 130.Wherein, the light transmission shaft direction of upper main polaroid 130 and the light transmission shaft direction of auxiliary polaroid 320 are parallel.The noun of locality " upper and lower " of herein using refers to " upper and lower " direction in Fig. 3 and Fig. 4.
One skilled in the art will appreciate that it is display panels that main display panel 100 is not limited to, for example, can also be OLED display panel.
Be understandable that, above embodiment is only used to principle of the present invention is described and the illustrative embodiments that adopts, but the present invention is not limited thereto.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (4)
1. a mirror face display equipment, described mirror face display equipment comprises main display panel, it is characterized in that, described mirror face display equipment also comprises auxiliary display panel, described auxiliary display panel comprises phase delay liquid crystal cell, is arranged on a lip-deep auxiliary polaroid of described phase delay liquid crystal cell and is arranged on another lip-deep semi-transparent semi-reflecting film of described phase delay liquid crystal cell, the exiting surface laminating of described semi-transparent semi-reflecting film and described main display panel
On described phase delay liquid crystal cell, load in the region of electric field, the incident ray of injecting by described auxiliary polaroid can be converted into emergent ray by the liquid crystal in described auxiliary polaroid, described phase delay liquid crystal cell and described semi-transparent semi-reflecting film, and the direction of propagation of this emergent ray is perpendicular to the light transmission shaft direction of described auxiliary polaroid; On described phase delay liquid crystal cell, do not load in the region of electric field, the liquid crystal that incident ray can see through in described phase delay liquid crystal cell arrives then reflecting light of described semi-transparent semi-reflecting film.
2. mirror face display equipment according to claim 1, is characterized in that, described phase delay liquid crystal cell is quarter-wave phase delay liquid crystal cell.
3. mirror face display equipment according to claim 1 and 2, it is characterized in that, described phase delay liquid crystal cell comprise array base palte and with this array base palte to box arrange to box substrate, described array base palte comprises many data lines and many grid lines, many described data lines and many described grid lines intermesh, described array base palte is divided into multiple pixel cells, in each described pixel cell, is provided with pixel electrode and public electrode.
4. mirror face display equipment according to claim 1 and 2, it is characterized in that, described main display panel is display panels, described main display panel comprises black matrix, and at least a portion of the projection of the grid line of the data line of described phase delay liquid crystal cell and described phase delay liquid crystal cell on described main display panel and described black matrix is overlapping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410309775.7A CN104111559A (en) | 2014-07-01 | 2014-07-01 | Mirror surface display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410309775.7A CN104111559A (en) | 2014-07-01 | 2014-07-01 | Mirror surface display device |
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| CN104111559A true CN104111559A (en) | 2014-10-22 |
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| CN201410309775.7A Pending CN104111559A (en) | 2014-07-01 | 2014-07-01 | Mirror surface display device |
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| CN105892140A (en) * | 2016-06-21 | 2016-08-24 | 武汉华星光电技术有限公司 | Liquid crystal display |
| CN105954947A (en) * | 2016-06-21 | 2016-09-21 | 武汉华星光电技术有限公司 | Liquid crystal display |
| CN105974697A (en) * | 2016-07-20 | 2016-09-28 | 京东方科技集团股份有限公司 | Display panel and display device |
| CN106292045A (en) * | 2016-08-12 | 2017-01-04 | 京东方科技集团股份有限公司 | Light emission side substrate of mirror face display equipment and preparation method thereof, mirror face display equipment |
| CN108051946A (en) * | 2018-01-02 | 2018-05-18 | 京东方科技集团股份有限公司 | A kind of display device |
| CN108227319A (en) * | 2018-01-23 | 2018-06-29 | 京东方科技集团股份有限公司 | A kind of display panel and display device |
| CN109061966A (en) * | 2018-08-15 | 2018-12-21 | 友达光电股份有限公司 | Display system |
| CN111968511A (en) * | 2020-08-26 | 2020-11-20 | 京东方科技集团股份有限公司 | Display panel, intelligent mirror and method for determining hair style recommendation information |
| CN112666747A (en) * | 2021-01-04 | 2021-04-16 | 昆山龙腾光电股份有限公司 | Display panel, driving method and display device |
| CN113741083A (en) * | 2020-05-29 | 2021-12-03 | 京东方科技集团股份有限公司 | Display device and driving method thereof |
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| CN105954947B (en) * | 2016-06-21 | 2019-01-15 | 武汉华星光电技术有限公司 | Liquid crystal display |
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| CN106292045B (en) * | 2016-08-12 | 2019-12-03 | 京东方科技集团股份有限公司 | Light emission side substrate of mirror face display equipment and preparation method thereof, mirror face display equipment |
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| CN109061966B (en) * | 2018-08-15 | 2021-12-21 | 友达光电股份有限公司 | Display system |
| CN113741083A (en) * | 2020-05-29 | 2021-12-03 | 京东方科技集团股份有限公司 | Display device and driving method thereof |
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| CN111968511A (en) * | 2020-08-26 | 2020-11-20 | 京东方科技集团股份有限公司 | Display panel, intelligent mirror and method for determining hair style recommendation information |
| CN112666747A (en) * | 2021-01-04 | 2021-04-16 | 昆山龙腾光电股份有限公司 | Display panel, driving method and display device |
| CN112666747B (en) * | 2021-01-04 | 2022-03-25 | 昆山龙腾光电股份有限公司 | Display panel, driving method and display device |
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