CN103927950A - Displaying device with haze element - Google Patents
Displaying device with haze element Download PDFInfo
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- CN103927950A CN103927950A CN201310010324.9A CN201310010324A CN103927950A CN 103927950 A CN103927950 A CN 103927950A CN 201310010324 A CN201310010324 A CN 201310010324A CN 103927950 A CN103927950 A CN 103927950A
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Abstract
Disclosed is a displaying device. The displaying device comprises a display panel, a light emitting module and a haze element, wherein the display panel is provided with an upper surface and a lower surface; the light emitting module is opposite to the display panel and comprises a light guide board, a plurality of light guide elements and a first light emitting unit; the light guide board is provided with at least one in-light surface and two opposite side surfaces; the light guide elements are disposed on at least one of the two opposite side surfaces; the first light emitting unit is mounted on the in-light surface of the light guide board; the haze element is disposed on one side of the upper surface and the lower surface of the display panel, and the haze value of the haze element is in a range from 1% to 10%. Light rays emitted by the first light emitting unit enter the light guide board to be guided out by the light guide board and the light guide elements from the side of the light guide board in a brightness staggered mode.
Description
Technical field
The invention relates to a kind of display device, and relate to especially a kind of display device with mist degree element.
Background technology
In recent years, due to light emitting diode (Light Emitting Diode, LED) the continuous improvement aspect technique and material, significantly promotes the luminescence efficiency of light emitting diode, and then is widely used in light emitting module or other purposes of display device.
The light emitting module of display device is arranged at a side of display panel, and can be divided into straight-down negative and side direction type.In side direction type illuminating module, can comprise light source, light guide plate and several light-guide device.Light source, taking LED optical strip as example, is arranged at the side of light guide plate, is incident to light guide plate to emit beam by an incidence surface of light guide plate.Each light-guide device is respectively the scattering material of strip, for example, be white ink, and coats on a bottom surface of light guide plate.Wherein, light guide plate is passed to central authorities via total reflection guiding light by both sides, and the function of light-guide device is to destroy the total reflection of light, is penetrated and directive display panel by the exiting surface of light guide plate with directing light, with show image picture.
But, when light is during by the exiting surface directive display panel of light guide plate, light form on exiting surface is that bright inner room is every staggered skew lines figure, and on display panel, there is the staggered light shield layer of strip (being light tight black matrix"), as shown in Figure 1, the vertical bar line M showing in Fig. 1 is formed by light passes through light shield layer, and bright dark staggered skew lines light is formed on the exiting surface that slanted bar line N is light guide plate, can make the light that penetrates display panel occur the interference phenomenon of optics diffraction and occur interference fringe, as the region A of Fig. 1, (region A only indicates an interference fringe, in Fig. 1, all the other interference fringes do not indicate), that is repeatedly line (Moir é) phenomenon that occurs being commonly called as, cause the display quality of display device to reduce.
Therefore, how to provide a kind of light emitting module and display device, can change bright dipping light shape, and destroy interference fringe and improve the display quality of display device, become one of important topic.
Summary of the invention
The present invention has the display device that has mist degree element about a kind of, utilizes, in upper surface and one of them side of lower surface of display panel, one mist degree element is set, and changes bright dipping light shape and destroys interference fringe, promotes the display quality of display device.
According to the present invention, a kind of display device is proposed, comprise a display panel, a light emitting module and a mist degree element.Light emitting module is relative with display panel and establish, and light emitting module comprises a light guide plate, most light-guide devices and one first luminescence unit.Light guide plate has at least one incidence surface and two relative sides.Light-guide device be arranged at two relative sides at least one of them.The first luminescence unit is arranged at incidence surface.Mist degree element is arranged between display panel and light guide plate, and the haze value of mist degree element is between 1% to 10%.After the light that the first luminescence unit sends enters light guide plate, via the guiding of light guide plate and light-guide device, by light, with bright dark staggered form, one of them by two of light guide plate relative sides derives, and via mist degree element, the light of deriving disperseed.
According to the present invention, a kind of display device is proposed, comprise a display panel, a light emitting module and a mist degree element.Light emitting module is relative with display panel and establish, and light emitting module comprises a light guide plate, most light-guide devices and one first luminescence unit.Light guide plate has at least one incidence surface and two relative sides, and light-guide device is arranged at least one of them side of two relative side, and the first luminescence unit is arranged at incidence surface.Mist degree element is arranged at the side of display panel away from light guide plate.After the light that the first luminescence unit sends enters light guide plate, via the guiding of light guide plate and light-guide device, one of them derivation by the two relative side of light guide plate with bright dark staggered form by light.
According to the present invention, a kind of display device is proposed, comprise a display panel, a light emitting module, a polymer dispersed liquid crystal layer.Light emitting module is relative with display panel and establish, and light emitting module comprises a light guide plate, most light-guide devices and one first luminescence unit.Light guide plate has at least one incidence surface and two relative sides.Light-guide device be arranged at two relative sides at least one of them.The first luminescence unit is arranged at incidence surface.Polymer dispersed liquid crystal layer is arranged at light guide plate by the side of light derivation, utilizes regulating and controlling voltage that the liquid crystal orientation in polymer dispersed liquid crystal layer is changed, and makes polymer dispersed liquid crystal layer have haze value between 1% to 40%.
For there is to better understanding above-mentioned and other aspect of the present invention, special embodiment below, and coordinate accompanying drawing, be described in detail below:
Brief description of the drawings
Fig. 1 illustrates the repeatedly schematic diagram of line phenomenon.
Fig. 2 A～2C illustrates the cut-away section schematic diagram according to the display device of first embodiment of the invention.
Fig. 3 illustrates the cut-away section schematic diagram according to the display device of second embodiment of the invention.
Fig. 4 A illustrates the cut-away section schematic diagram according to the display device of third embodiment of the invention.
Fig. 4 B illustrates the side sectional view according to the first Polarizer of third embodiment of the invention.
Fig. 4 C illustrates the side sectional view according to the second Polarizer of third embodiment of the invention.
Fig. 5 A, 5B illustrate the cut-away section schematic diagram according to the display device of fourth embodiment of the invention.
Main element symbol description:
1,2,3,4: display device
10,10 ': display panel
20: light emitting module
30,31,32: mist degree element
33: polymer dispersed liquid crystal layer
40: backlight module
110: the first Polarizers
120: the second Polarizers
130: display unit
210,210 ': light guide plate
220: light-guide device
230: the first luminescence units
1101,1201: polarizing layer
1102,1103,1202,1203: protective seam
1104,1204: surface protection film
2101: incidence surface
2102,2102 ', 2103: side
A: interference fringe
M, N: striped
L: light
Embodiment
Can comprise a display panel, a light emitting module and a mist degree element according to the display device of the embodiment of the present invention.Light emitting module is relative with display panel and establish, and light emitting module comprises a light guide plate, most light-guide devices and one first luminescence unit.Light guide plate has an incidence surface and two relative sides.Light-guide device is arranged at least one of them side of two relative sides.Mist degree element is arranged in fact upper surface and one of them side of lower surface of display panel, and in certain embodiments, the haze value of mist degree element is between 1% to 10%.
Direction by vertical two relative sides is observed, and each light-guide device can be a straight line, a skew lines, has a curve of at least one point of inflexion or setting corresponding to picture element respectively.Be described in more detail with the first～tetra-embodiment below.
The first embodiment
Fig. 2 A～2C illustrates the cut-away section schematic diagram according to the display device 1 of first embodiment of the invention.Display device 1 comprises a display panel 10, a light emitting module 20 and a mist degree element 30.Light emitting module 20 is relative with display panel 10 and establish, and light emitting module 20 comprises a light guide plate 210, most light-guide devices 220 and one first luminescence unit 230.Light guide plate 210 has an incidence surface 2101 and two relative sides 2102,2103.Light-guide device 220 is arranged at side 2103, but is not limited to this, and light-guide device 220 also can be arranged at side 2102, also can be present in two sides simultaneously.
In Fig. 2 A, mist degree element 30 is arranged at a side of the upper surface of display panel 10, in Fig. 2 B, a side of the lower surface that mist degree element 30 is arranged at (between display panel 10 and light guide plate 210), and the haze value of mist degree element 30 is between 1% to 10%.
In the present invention, the mist degree of mist degree element is defined as follows:
T
diffuse: the penetrance of the display device of tool mist degree element
T
total: do not have a penetrance of display device of mist degree element
Although be noted that the measurement of haze value can be divided into interior mist degree or outer mist degree according to the structural area of measured object, haze value of the present invention is total mist degree of mist degree element, is not defined in interior mist degree or outer mist degree.
For convenience of explanation, below, the example structure being illustrated with Fig. 2 B is described.As shown in Figure 2 B, light L is after the first luminescence unit 230 sends and enters light guide plate 210, via the guiding of light guide plate 210 and light-guide device 220, part light L carries out total reflection in light guide plate 210, part light L is in contact its total reflection path of the rear destruction of light-guide device 220, and be reflected onto side 2102, light L is derived by side 2102 with bright dark staggered form.The light L being exported by mist degree element 30, disperses light L and imports in display panel 10 again.
Because light L is entering the front mist degree element 30 that first passes through of display panel 10, its bright dipping light shape is changed by mist degree element 30, can improve with display panel 10 on the staggered light shield layer (not illustrating) of strip produce interference fringe, effectively improve repeatedly line phenomenon.In addition, the haze value of the mist degree element 30 of the first embodiment is between 1% to 10%, and being unlikely to destroy light L derives with bright dark staggered form, therefore, effectively promotes the display quality of display device according to the display device 1 of first embodiment of the invention.In one embodiment, mist degree element 30 is for example a mist film, is arranged on side 2102.This mist film can be the film of thickness 5 μ m～20 μ m, and its material for example can be PET, PC etc., utilizes the modes such as chemistry, machining to make haze value between 1～10%.
Each light-guide device 220 of being observed by parallel side 2102 or 2103 directions is groove shape or convex, and each light-guide device 220 of being observed by vertical side 2102 or 2103 directions is strip, but is not limited to this.One reflecting material can be set respectively in order to reflection ray on light-guide device 220.
In more detail, the light emitting module 20 of the embodiment of the present invention is a parallax barrier element of display device 10, light L is derived by the side 2102 of light guide plate 210 with bright dark staggered form, to form 3D image.
In addition, as shown in Figure 2 C, the display device of the embodiment of the present invention also can comprise that a backlight module 40 arranges with respect to display panel 10, and backlight module 40 is arranged at the side of light emitting module 20 away from display panel 10, that is to say, light emitting module 20 is between display panel 10 and backlight module 40.Display device 1 can be sent by the first luminescence unit 230 or backlight module 40 via controlling light, shows respectively the image of 3D or 2D.
In the time that display device 1 shows 3D image, backlight module 40 is closed, and as shown in Figure 2 B, light is sent by the first luminescence unit 230, imports in display panel 10 via light guide plate 210 and mist degree element 30.In the time that display device 1 shows 2D image, backlight module 40 is opened, and the first luminescence unit 230 is closed, and as shown in Figure 2 C, light is sent by backlight module 40, imports in display panel 10 via light guide plate 210 and mist degree element 30.But be noted that in the time that display device 1 shows 2D image, the first luminescence unit 230 still can maintain opening, the brightness presenting in order to compensate display panel 10.
Although above-mentioned the first embodiment has one first luminescence unit 230 as example taking light emitting module 20, the present invention is not limited to this, and light emitting module 20 also can have one second luminescence unit, is arranged at another incidence surface of relative incidence surface 2101.
The second embodiment
Fig. 3 illustrates the cut-away section schematic diagram according to the display device 2 of second embodiment of the invention.Second embodiment of the invention and the first embodiment difference are the set-up mode of mist degree element, and other something in common indicate with identical element numbers, do not add to repeat.
As shown in Figure 3, the mist degree element 31 of the second embodiment is the mode with machining or chemical process, directly surface treatment is carried out in the side 2102 ' of light guide plate 210 ', to form the mist degree element 31 with haze value 1～10%.
Compared to a mist film being set to form mist degree element, the mode that the mist degree element 31 of second embodiment of the invention directly carries out surface working processing to the side 2102 ' of light guide plate 210 ', has more conservation, reduces the advantage of display device thickness.
The 3rd embodiment
Fig. 4 A illustrates the cut-away section schematic diagram according to the display device 3 of third embodiment of the invention.Third embodiment of the invention and the first embodiment difference are the set-up mode of mist degree element, and other something in common indicate with identical element numbers, do not add to repeat.
As shown in Figure 4 A, the display panel 10 ' of the display device 3 of third embodiment of the invention comprises a display unit 130, one first Polarizer 110 and one second Polarizer 120.The first Polarizer 110 is arranged at the side of display unit 130 near light guide plate 210, and the second Polarizer 120 is arranged at the side of display unit 130 away from light guide plate 210, and mist degree element arranges the second Polarizer 120 and first Polarizer 110 one of them place.
In the present embodiment, mist degree element can be in existing polarized light plate structure, to attach one deck mist film, or its existing hard film layer is carried out surface treatment and forms the haze value of embodiment.Fig. 4 B is positioned at the first Polarizer 110 as example explanation taking mist degree element, but the present invention is not limited to this, and mist degree element of the present invention also can be positioned at the second Polarizer 120 (seeing Fig. 4 C).
Fig. 4 B illustrates the side sectional view according to the first Polarizer 110 of third embodiment of the invention.The first Polarizer 110 comprises polarizing layer 1101, the first protective seam 1102, the second protective seam 1103 and a mist degree element 32.Polarizing layer 1101 is in order to carry out polarisation to the light that enters the first Polarizer 110.The first protective seam 1102 and the second protective seam 1103 lay respectively at the both sides up and down of polarizing layer 1101, are used for protecting polarizing layer 1101.In one embodiment; the first protective seam 1102 is arranged between polarizing layer 1101 and display unit 130; the second protective seam 1103 is arranged between polarizing layer 1101 and light guide plate 210; mist degree element 32 can be between the second protective seam 1103 and light guide plate 210; but be not limited to this, mist degree element 32 also can be arranged between the first protective seam 1102 and display unit 130.
In another embodiment, the first Polarizer 110 more can comprise that a surface protection film 1104 is attached on mist degree element 32.Mist degree element can utilize carrying out surface-coated processing and have haze value between 1% to 10% as the hard film layer of surface protection film 1104.The surface-coated processing of surface protection film 1104 is for example hard resin coating (HC), anti-dazzle coating (AG), antireflection coating (AR), antistatic coating (AS), wide view angle improvement coating (WV), and makes mist degree element formed thereon.
Although be noted that Fig. 4 B is positioned at the first Polarizer 110 as example explanation taking mist degree element 32, mist degree element 32 also can be positioned at the second Polarizer 120.In the time that mist degree element 32 is positioned at the second Polarizer 120, the second Polarizer 120 also can have and the same or similar structure of the first Polarizer 110.
Fig. 4 C illustrates the side sectional view according to the second Polarizer 120 of third embodiment of the invention.The second Polarizer 120 comprises polarizing layer 1201, the first protective seam 1202, the second protective seam 1203 and a mist degree element 32.Polarizing layer 1201 is in order to carry out polarisation to the light that enters the second Polarizer 120.The first protective seam 1202 and the second protective seam 1203 lay respectively at the both sides up and down of polarizing layer 1201, are used for protecting polarizing layer 1201.In one embodiment; the first protective seam 1202 is arranged between polarizing layer 1201 and display unit 130; the second protective seam 1203 is arranged at the side of polarizing layer 1201 away from display unit 130; mist degree element 32 can be between the first protective seam 1202 and display unit 130; but be not limited to this, mist degree element 32 also can be arranged at the side of the second protective seam 1203 away from display unit 130.
Similarly, the second Polarizer 120 more can comprise that a surface protection film 1204 is attached on mist degree element 32.Mist degree element can utilize carrying out surface-coated processing and have haze value between 1% to 10% as the hard film layer of surface protection film 1204.
The 4th embodiment
Fig. 5 A, 5B illustrate the cut-away section schematic diagram according to the display device 4 of fourth embodiment of the invention.Fourth embodiment of the invention and the first embodiment difference are the set-up mode of mist degree element, and other something in common indicate with identical element numbers, do not add to repeat.
As shown in Figure 5A, display device 4 has a polymer dispersed liquid crystal layer (Polymer-dispersed LiquidCrystal, PDLC) 33, polymer dispersed liquid crystal layer 33 is arranged on side 2102, utilize regulating and controlling voltage that liquid crystal orientation in polymer dispersed liquid crystal layer 33 is changed, polymer dispersed liquid crystal layer 33 forms has haze value between 1% to 40% mist degree element.
In more detail, the light emitting module 20 of the embodiment of the present invention is a parallax barrier element of display device 10, light L is after the first luminescence unit 230 sends and enters light guide plate 210, via the guiding of light guide plate 210 and light-guide device 220, light L is derived by side 2102 with bright dark staggered form.The light L being exported by polymer dispersed liquid crystal layer 33, disperses light L and imports in display panel 10, to form 3D image again.
In addition, as shown in Figure 5 B, the display device 4 of the embodiment of the present invention also can comprise that a backlight module 40 arranges with respect to display panel 10, and backlight module 40 is arranged at the side of light emitting module 20 away from display panel 10, that is to say, light emitting module 20 is between display panel 10 and backlight module 40.Display device 4 can be sent by the first luminescence unit 230 or backlight module 40 via controlling light, shows respectively the image of 3D or 2D.
In the time that display device 4 shows 3D image, backlight module 40 is closed, and as shown in Figure 5A, light is sent by the first luminescence unit 230, import in display panel 10 via light guide plate 210 and polymer dispersed liquid crystal layer 33, and the haze value of polymer dispersed liquid crystal layer 33 is set between 1% to 10%.
In the time that display device 4 shows 2D image, backlight module 40 is opened, the first luminescence unit 230 is closed, as shown in Figure 5 B, light is sent by backlight module 40, import in display panel 10, and the haze value of polymer dispersed liquid crystal layer 33 is between 10% to 40% via light guide plate 210 and polymer dispersed liquid crystal layer 33, in another embodiment, the haze value of polymer dispersed liquid crystal layer 33 can be further defined to 20% to 40%.But be noted that in the time that display device 4 shows 2D image, the first luminescence unit 230 still can maintain opening, the brightness presenting in order to compensate display panel 10.
According to fourth embodiment of the invention, in the time that display device 4 shows 2D image, because light-guide device 220 has reflecting material, when light is after backlight module 40 sends, part light can be reflected by light-guide device 220, therefore, and via the haze value of polymer dispersed liquid crystal layer 33 being promoted between 20% to 40%, can improve the phenomenon that bright dipping inequality occurs when light is derived light guide plate 210, more effectively promote the visible angle of display device 4.In one embodiment, polymer dispersed liquid crystal layer 33 more can produce several patterns region via applying voltage, in order to increase the shooting angle of light.
Although above-mentioned the 4th embodiment has one first luminescence unit 230 as example taking light emitting module 20, the present invention is not limited to this, and light emitting module 20 also can have one second luminescence unit, is arranged at another incidence surface of relative incidence surface 2101.
From above-described embodiment, the present invention arranges mist degree element in upper surface and one of them side of lower surface of display panel, utilizes mist degree element change bright dipping light shape and destroy interference fringe, improves the repeatedly line phenomenon of panel.Except improving repeatedly line phenomenon, in the time that display panel shows 2D image, have more the advantage that increases angle of visibility, effectively promote the display quality of display device.
In sum, although the present invention discloses as above with embodiment, so it is not in order to limit the present invention.Persond having ordinary knowledge in the technical field of the present invention, without departing from the spirit and scope of the present invention, when being used for a variety of modifications and variations.Therefore, protection scope of the present invention is when being as the criterion depending on claims person of defining.
Claims (30)
1. a display device, comprising:
One display panel;
One light emitting module, relative with this display panel and establish, comprising:
One light guide plate, has at least one incidence surface and two relative sides;
Several light-guide devices, are arranged at least one of them sides of those sides;
One first luminescence unit, be arranged at this incidence surface, after the light that this first luminescence unit sends enters this light guide plate, via the guiding of this light guide plate and those light-guide devices, one of them derivation by those sides of this light guide plate with bright dark staggered form by light;
One mist degree element, is arranged between this display panel and this light guide plate,
Wherein, the haze value of this mist degree element is between 1% to 10%.
2. display device as claimed in claim 1, wherein this mist degree element is a mist film, is arranged at this light guide plate by this side of light derivation.
3. display device as claimed in claim 1, wherein this mist degree element is the mode with a machining or a chemical process, surface treatment is carried out in this side that this light guide plate light is derived, to form this mist degree element.
4. display device as claimed in claim 1, wherein this display panel more comprises a display unit and one first Polarizer, and this first Polarizer is arranged at the side of this display unit near this light guide plate, and this mist degree element is arranged at this first Polarizer place.
5. display device as claimed in claim 4, wherein this first Polarizer comprises:
One polarizing layer, in order to carry out polarisation to the light that enters this first Polarizer;
One first protective seam and one second protective seam, be used for protecting this polarizing layer, and this first protective seam is arranged between this polarizing layer and this display unit, and this second protective seam is arranged between this polarizing layer and this light guide plate;
This mist degree element, between this first protective seam and this display unit.
6. display device as claimed in claim 4, wherein this first Polarizer comprises:
One polarizing layer, in order to carry out polarisation to the light that enters this first Polarizer;
One first protective seam and one second protective seam, be used for protecting this polarizing layer, and this first protective seam is arranged between this polarizing layer and this display unit, and this second protective seam is arranged between this polarizing layer and this light guide plate;
This mist degree element, between this second protective seam and this light guide plate.
7. display device as claimed in claim 1, wherein this mist degree element is a polymer dispersed liquid crystal layer, this polymer dispersed liquid crystal layer is arranged at this light guide plate by this side of light derivation, utilize regulating and controlling voltage that the liquid crystal orientation in this polymer dispersed liquid crystal layer is changed, make this polymer dispersed liquid crystal layer there is haze value between 1% to 10%.
8. display device as claimed in claim 1, the parallax barrier element that wherein this light emitting module is this display device.
9. display device as claimed in claim 1, wherein this display device more comprises a backlight module, this backlight module is arranged at the side of this light emitting module away from this display panel, in the time that this display device shows 3D image, this backlight module is closed, in the time that this display device shows 2D image, this backlight module is opened.
10. display device as claimed in claim 1, wherein respectively arranges respectively a reflecting material on this light-guide device.
11. display device as claimed in claim 1, wherein this light emitting module has more one second luminescence unit, and this second luminescence unit is arranged at another incidence surface of this incidence surface relatively.
12. 1 kinds of display device, comprising:
One display panel;
One light emitting module, relative with this display panel and establish, comprising:
One light guide plate, has at least one incidence surface and two relative sides;
Several light-guide devices, are arranged at least one of them sides of those sides;
One first luminescence unit, be arranged at this incidence surface, after the light that this first luminescence unit sends enters this light guide plate, via the guiding of this light guide plate and those light-guide devices, one of them derivation by those sides of this light guide plate with bright dark staggered form by light;
One mist degree element,
Wherein this mist degree element is arranged at the side of this display panel away from this light guide plate.
13. display device as claimed in claim 12, wherein the haze value of this mist degree element is between 1% to 10%.
14. display device as claimed in claim 12, wherein this mist degree element is a mist film.
15. display device as claimed in claim 12, wherein this display panel comprises a display unit and one second Polarizer, and this second Polarizer is arranged at the side of this display unit away from this light guide plate, and this mist degree element is arranged at this second Polarizer place.
16. display device as claimed in claim 15, wherein this second Polarizer comprises:
One polarizing layer, in order to carry out polarisation to the light that enters this second Polarizer;
One first protective seam and one second protective seam, be used for protecting this polarizing layer, and this first protective seam is arranged between this polarizing layer and this display unit, and this second protective seam is arranged at the side of this polarizing layer away from this display unit;
This mist degree element, between this first protective seam and this display unit.
17. display device as claimed in claim 15, wherein this second Polarizer comprises:
One polarizing layer, in order to carry out polarisation to the light that enters this second Polarizer;
One first protective seam and one second protective seam, be used for protecting this polarizing layer, and this first protective seam is arranged between this polarizing layer and this display unit, and this second protective seam is arranged at the side of this polarizing layer away from this display unit;
This mist degree element, is positioned at the side of this second protective seam away from this display unit.
18. display device as claimed in claim 12, the parallax barrier element that wherein this light emitting module is this display device.
19. display device as claimed in claim 12, wherein this display device more comprises a backlight module, this backlight module is arranged at the side of this light emitting module away from this display panel, in the time that this display device shows 3D image, this backlight module is closed, in the time that this display device shows 2D image, this backlight module is opened.
20. display device as claimed in claim 12, wherein respectively arrange respectively a reflecting material on this light-guide device.
21. display device as claimed in claim 12, wherein this light emitting module has more one second luminescence unit, and this second luminescence unit is arranged at another incidence surface of this incidence surface relatively.
22. 1 kinds of display device, comprising:
One display panel;
One light emitting module, relative with this display panel and establish, comprising:
One light guide plate, has at least one incidence surface and two relative sides;
Several light-guide devices, are arranged at least one of them sides of those sides;
One first luminescence unit, be arranged at this incidence surface, after the light that this first luminescence unit sends enters this light guide plate, via the guiding of this light guide plate and those light-guide devices, one of them derivation by those sides of this light guide plate with bright dark staggered form by light;
One polymer dispersed liquid crystal layer, is arranged at this light guide plate by this side of light derivation, utilizes regulating and controlling voltage that the liquid crystal orientation in this polymer dispersed liquid crystal layer is changed,
Wherein, this polymer dispersed liquid crystal layer has haze value between 1% to 40%.
23. display device as claimed in claim 22, the parallax barrier element that wherein this light emitting module is this display device.
24. display device as claimed in claim 22, wherein this display device more comprises a backlight module, this backlight module is arranged at the side of this light emitting module away from this display panel, in the time that this display device shows 3D image, this backlight module is closed, in the time that this display device shows 2D image, this backlight module is opened.
25. display device as claimed in claim 24, wherein, in the time that this display device shows 3D image, this polymer dispersed liquid crystal layer has haze value between 1% to 10%.
26. display device as claimed in claim 24, wherein, in the time that this display device shows 2D image, this polymer dispersed liquid crystal layer has haze value between 10% to 40%.
27. display device as claimed in claim 26, wherein, in the time that this display device shows 2D image, the haze value of this polymer dispersed liquid crystal layer is between 20% to 40%.
28. display device as claimed in claim 22, wherein apply a voltage and make this polymer dispersed liquid crystal layer produce several patterns region, in order to increase the shooting angle of light.
29. display device as claimed in claim 22, wherein this light emitting module has more one second luminescence unit, and this second luminescence unit is arranged at another incidence surface of this incidence surface relatively.
30. display device as claimed in claim 22, wherein respectively arrange respectively a reflecting material on this light-guide device.
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| CN201310010324.9A CN103927950A (en) | 2013-01-11 | 2013-01-11 | Displaying device with haze element |
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Application publication date: 20140716 |