CN205281069U - Display device - Google Patents
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- CN205281069U CN205281069U CN201620017146.1U CN201620017146U CN205281069U CN 205281069 U CN205281069 U CN 205281069U CN 201620017146 U CN201620017146 U CN 201620017146U CN 205281069 U CN205281069 U CN 205281069U
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Abstract
The utility model discloses a display device for current display is solved and the problem of people to multi -functional demand can't be satisfied. Display device includes: comprises a display pane. Be located the collimation optical element of display panel's light -emitting side, collimation optical element be used for with the first light that display panel jetted out is maked into the second light of collimation and is jetted out, be located the optical modulation element of collimation optical element's light -emitting side, the optical modulation element is used for the adjustment second light is in the outgoing angle of optical modulation element. The second light of collimation is maked into to the first light that jets out display panel through collimation optical element, through the beam split function of optical modulation element to adjustment second light makes display device's outgoing ray direction controllable in the outgoing angle of this optical modulation element.
Description
Technical field
The utility model relates to technique of display field, in particular to a kind of display unit.
Background technology
At present, along with the develop rapidly of technique of display, display unit can realize different functions, such as 3D three-dimensional display function or anti-peep display function etc. But, people are more and more stronger to the demand of the multifunction of display unit, as display unit not only has 3D three-dimensional display function, also to be had and anti-peep the functions such as display, namely realize in a display unit multiple can not function. Current indicating meter cannot meet people to the demand of multifunction.
Practical novel content
The utility model embodiment provides a kind of display unit, cannot meet people to the problem of multi-functional demand for solving existing indicating meter.
The utility model embodiment provides a kind of display unit, comprises display panel; Wherein, this display unit also comprises:
The collimation optics being positioned at the light emission side of described display panel, described collimation optics is modulated into the 2nd light of collimation for the first light penetrated by described display panel and penetrates;
The optical modulation element being positioned at the light emission side of described collimation optics, described optical modulation element is for adjusting the shooting angle of described 2nd light at described optical modulation element.
Optionally, described collimation optics comprises:
Diffraction grating, described diffraction grating is for being converted to collimated beam by the first light inciding described diffraction grating;
It is positioned at the first tectum of the light emission side of described diffraction grating; And
The 2nd tectum being positioned on described first tectum, wherein, the specific refractory power of described first tectum is less than the specific refractory power of described 2nd tectum, and described first tectum and described 2nd tectum are used for the collimated beam to described diffraction grating outgoing and collimate, and obtain described 2nd light.
Optionally, the corresponding diffraction grating of each sub-pixel unit in described display panel; Or
The corresponding diffraction grating of the sub-pixel unit of the often row same color in described display panel; Or
The corresponding diffraction grating of the sub-pixel unit of the often row same color in described display panel; Or
The corresponding diffraction grating of the sub-pixel unit of at least two different colours in described display panel.
Optionally, described diffraction grating comprises the grating face of the light emission side being positioned at described display panel and multiple groove face being positioned on described grating face, wherein: for each groove face, the wavelength of the incident light in the angle in described groove face and described grating face, the width in described groove face and described groove face meets following formula:
2d*sinr=��;
Wherein, d represents the width in described groove face, and r represents described groove face and the angle in described grating face, and �� represents the wavelength of the incident light in described groove face.
Optionally, the specific refractory power of described first tectum is different from the specific refractory power of described diffraction grating.
Optionally, described optical modulation element comprises at least one first light-modulating cell, and described first light-modulating cell comprises:
First substrate, second substrate, the first liquid crystal layer between described first substrate and described second substrate and the first electrode between described first substrate and described second substrate and the 2nd electrode, wherein, by applying voltage on described first electrode and described 2nd electrode, adjust the shooting angle of described 2nd light in a first direction.
Optionally, at least one sub-pixel unit in the corresponding described display panel of the first light-modulating cell described in each.
Optionally, at least one row sub-pixel unit in the corresponding described display panel of the first light-modulating cell described in each, or at least a line sub-pixel unit in the corresponding described display panel of the first light-modulating cell described in each.
Optionally, described first electrode in described first light-modulating cell and the equivalent optics structure after applying voltage on described 2nd electrode are liquid crystal prism or liquid crystal lens.
Optionally, described optical modulation element also comprises at least one the 2nd light-modulating cell being arranged on described first light-modulating cell, and described 2nd light-modulating cell comprises:
3rd substrate, tetrabasal, the 2nd liquid crystal layer between described 3rd substrate and described tetrabasal and the 3rd electrode between described 3rd substrate and described tetrabasal and the 4th electrode, wherein, by applying voltage on described 3rd electrode and described 4th electrode, be different from described first party to second party adjust upward the shooting angle of described 2nd light.
Optionally, at least one sub-pixel unit in the corresponding described display panel of the 2nd light-modulating cell described in each.
Optionally, at least one row sub-pixel unit in the corresponding described display panel of the 2nd light-modulating cell described in each, or at least a line sub-pixel unit in the corresponding described display panel of the 2nd light-modulating cell described in each.
Optionally, described 3rd electrode in described 2nd light-modulating cell and the equivalent optics structure after applying voltage on described 4th electrode are liquid crystal prism or liquid crystal lens.
Optionally, described first electrode is strip shaped electric poles, and described 3rd electrode is strip shaped electric poles, and described first electrode is mutually vertical with the arrangement direction of described 3rd electrode; Or
Described first electrode is strip shaped electric poles, and described 4th electrode is strip shaped electric poles, and described first electrode is mutually vertical with the arrangement direction of described 4th electrode; Or
Described 2nd electrode is strip shaped electric poles, and described 3rd electrode is strip shaped electric poles, and described 2nd electrode is mutually vertical with the arrangement direction of described 3rd electrode; Or
Described 2nd electrode is strip shaped electric poles, and described 4th electrode is strip shaped electric poles, and described 2nd electrode is mutually vertical with the arrangement direction of described 4th electrode.
In the utility model embodiment, the first light penetrated by display panel by collimation optics is modulated into the 2nd light of collimation, by the light splitting function of optical modulation element, to adjust the shooting angle of the 2nd light at this optical modulation element, make the outgoing radiation direction of display unit controlled, thus realize the multifunction of display unit, such as 3D stereo display, double viewing, prevents peeping display. In addition, the display unit that the utility model embodiment provides is when showing at night or dark-state, also by the light splitting function of optical modulation element, the outgoing light of display panel can be concentrated the right and left eyes entering viewing person, promote the brightness of the light that right and left eyes receives, thus reduce the power consumption of display unit.
Accompanying drawing explanation
The display unit that Fig. 1 provides for the utility model embodiment is used for the schematic diagram of 3D stereo display;
The display unit that Fig. 2 provides for the utility model embodiment is used for two schematic diagram looking display;
The display unit that Fig. 3 provides for the utility model embodiment is used for the anti-schematic diagram peeping display;
The structural representation of the collimation optics in the display unit that Fig. 4 provides for the utility model embodiment;
The structural representation of the diffraction grating in the display unit that Fig. 5 provides for the utility model embodiment;
The principle schematic of the collimation optics in the display unit that Fig. 6 provides for the utility model embodiment;
The structural representation of the optical modulation element in the display unit that Fig. 7 provides for the utility model embodiment;
The first corresponding relation schematic diagram of optical modulation element in the display unit that Fig. 8 A provides for the utility model embodiment and the sub-pixel unit in display panel;
2nd kind of corresponding relation schematic diagram of the optical modulation element in the display unit that Fig. 8 B provides for the utility model embodiment and the sub-pixel unit in display panel;
The third corresponding relation schematic diagram of optical modulation element in the display unit that Fig. 8 C provides for the utility model embodiment and the sub-pixel unit in display panel;
4th kind of corresponding relation schematic diagram of the optical modulation element in the display unit that Fig. 8 D provides for the utility model embodiment and the sub-pixel unit in display panel;
The equivalent optics structural representation one of the first light-modulating cell in the display unit that Fig. 9 A provides for the utility model embodiment;
The equivalent optics structural representation two of the first light-modulating cell in the display unit that Fig. 9 B provides for the utility model embodiment;
The equivalent optics structural representation three of the first light-modulating cell in the display unit that Fig. 9 C provides for the utility model embodiment;
The equivalent optics structural representation four of the first light-modulating cell in the display unit that Fig. 9 D provides for the utility model embodiment;
The first light-modulating cell in the display unit that Figure 10 A provides for the utility model embodiment is to the schematic diagram of the modulation of the horizontal direction of outgoing light;
The first light-modulating cell in the display unit that Figure 10 B provides for the utility model embodiment is to the schematic diagram of the modulation of the vertical direction of outgoing light;
The schematic diagram of the display unit that Figure 11 provides for the utility model embodiment;
Figure 12 A is a kind of schematic diagram of the display device applications shown in Figure 11 when 3D shows;
Figure 12 B is another kind schematic diagram of the display device applications shown in Figure 11 when 3D shows.
Embodiment
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments. Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Below in conjunction with Figure of description, the utility model embodiment is described in further detail. It is to be understood that embodiment described herein is only for instruction and explanation of the utility model, and it is not used in restriction the utility model.
The utility model embodiment provides a kind of display unit, comprising:
Display panel;
The collimation optics being positioned at the light emission side of display panel, this collimation optics is used for the first light that display panel penetrates is modulated into the 2nd light of collimation and penetrates;
The optical modulation element being positioned at the light emission side of collimation optics, this optical modulation element is for adjusting the shooting angle of the 2nd light at this optical modulation element.
In the utility model embodiment, the first light penetrated by display panel by collimation optics is modulated into the 2nd light of collimation, by the light splitting function of optical modulation element, to adjust the shooting angle of the 2nd light at this optical modulation element, make the outgoing radiation direction of display unit controlled, thus realize the multifunction of display unit, such as 3D stereo display, double viewing, prevents peeping display. In addition, the display unit that the utility model embodiment provides is when showing at night or dark-state, also by the light splitting function of optical modulation element, the outgoing light of display panel can be concentrated the right and left eyes entering viewing person, promote the brightness of the light that right and left eyes receives, thus reduce the power consumption of display unit.
Illustrating how the display unit that the utility model embodiment provides realizes 3D stereo display, double viewing below, low-power consumption shows, the anti-function peeping display.
One, 3D stereo display
Pass through optical modulation element, the shooting angle of the outgoing light of two groups of different view information (i.e. view 1 and view 2) of the same image of display in adjustment display panel, so that the outgoing light of the two of same image groups of different view information injects the left eye of viewing person and right eye respectively, as shown in Figure 1, the outgoing light of view 1 enters right eye, the outgoing light of view 2 enters left eye, and such two groups of different view information, by the fusion of viewing person's brain, form 3D rendering.
Two, two display is looked
Pass through optical modulation element, the shooting angle of the outgoing light of the different images of display in adjustment display panel, so that the outgoing light of different images injects the right and left eyes of different viewing person respectively, as shown in Figure 2, the outgoing light of image 1 enters the right and left eyes of viewing person 2, the outgoing light of image 2 enters the right and left eyes of viewing person 1 so that the viewing person of different positions can see different images, thus realizes vehicle-mounted double viewing. Further, by optical modulation element adjust display panel outgoing light go out optical width, optical width is made out to be greater than the pupil width (being generally 65mm) of viewing person, make the right and left eyes of same viewing person can see identical image, such as, by applying the voltage signal of high frequency (such as 120Hz) on optical modulation element, the angle of inclination of adjustment optical modulation element equivalence optics structure, thus increase the angle scope of bright dipping, to realize the object going out optical width adjusting the outgoing light of display panel.
Wherein, two when looking display, two pixel columns (OK) adjacent in display panel show image 1 and image 2 respectively, namely first row (OK) pixel similarly is image 1, and the 2nd row (OK) pixel similarly is image 2, and the 3rd row (OK) pixel similarly is image 1,4th row (OK) pixel similarly is image 2,5th row (OK) pixel similarly is image 1, and the 6th row (OK) pixel similarly is image 2, successively Alternation Display.
Three, prevent peeping display
Pass through optical modulation element, the shooting angle of all outgoing light of adjustment display panel, so that all outgoing light all injects the left eye of the viewing person of specific position and right eye, owing to the right and left eyes of the viewing person of other positions all enters without outgoing light, so, the viewing person of other positions can't see the display image of display panel, as shown in Figure 3, all outgoing light all enter the right and left eyes of viewing person 1, and viewing person 2 can't see the display image of display panel, thus achieve the anti-function peeping display.
In the utility model embodiment, the structure of collimation optics, as shown in Figure 4, comprising:
Diffraction grating 41, for being converted to collimated beam by the first light inciding this diffraction grating 41;
It is positioned at the first tectum 42 of the light emission side of diffraction grating 41; And
The 2nd tectum 43 being positioned on the first tectum 42, wherein, the specific refractory power of the first tectum 42 is less than the specific refractory power of the 2nd tectum 43, and the first tectum 42 and the 2nd tectum 43, for being collimated by the collimated beam of diffraction grating outgoing, obtain described 2nd light.
In the utility model embodiment, by the combination of the first tectum of diffraction grating, high refractive index and the 2nd tectum, the first light that display panel penetrates is modulated into the 2nd light of collimation straight up and penetrates.
In the utility model embodiment, collimation optics comprises at least one diffraction grating, and wherein, the corresponding relation between sub-pixel unit in diffraction grating and display panel comprises following four kinds:
The corresponding diffraction grating of each sub-pixel unit in display panel; Or
The corresponding diffraction grating of the sub-pixel unit of the often row same color in display panel; Or
The corresponding diffraction grating of the sub-pixel unit of the often row same color in display panel; Or
The corresponding diffraction grating of the sub-pixel unit of at least two different colours in display panel.
Wherein, for rgb pixel form, each R (red) pixel or each G (green) pixel or each B (indigo plant) pixel are all called a sub-pixel unit; For RGBW pixel format, each R (red) pixel or each G (green) pixel or each B (indigo plant) pixel or each W (in vain) pixel are all called a sub-pixel unit.
In the utility model embodiment, the structure of diffraction grating 41, as shown in Figure 5, comprising:
Grating face 411 and multiple groove face 412 being positioned on grating face 411, wherein: for each groove face 412, the wavelength of the angle in this groove face 412 and grating face 411, the width in this groove face 412 and the incident light in this groove face 412 meets following formula:
2d*sinr=��;
Wherein, d represents the width in this groove face, and r represents the angle in this groove face and grating face, and �� represents the wavelength of the incident light in this groove face.
Concrete, when designing diffraction grating, the parameter d of the diffraction grating that the sub-pix of same color is corresponding is identical with r, and the parameter d of the diffraction grating that the sub-pix of different colours is corresponding and/or r are different. If the corresponding diffraction grating of the sub-pixel unit of at least two different colours in display panel, then in this diffraction grating, d with r in the groove face of the sub-pix of corresponding same color is identical, in this diffraction grating, d and/or r in the groove face of the sub-pix of corresponding different colours is different, to realize the diffraction effect of the incident light to different wave length so that the outgoing light of diffraction grating is one group of collimated beam vertical with groove face.
In the utility model embodiment, when first tectum and the 2nd tectum are fitted, binding face tilts, input angle and the exit angle of this binding face meet the law of refraction, n1*sin ��=n2*sin ��, wherein, n1 represents the specific refractory power of the first tectum, �� represents input angle, and n2 represents the specific refractory power of the 2nd tectum, and �� indicates firing angle. Due to n1 < n2, therefore, exit angle �� is less than incident angle ��, outgoing light is come together to center, to produce outgoing light straight up, as shown in Figure 6, wherein, the angle that the first tectum and the 2nd binding face covered tilt is �� (i.e. the angle of the plane of incidence of binding face and described diffraction grating).
In the utility model embodiment, can be fitted by optical cement between the first tectum and diffraction grating, can be fitted by optical cement between the first tectum and the 2nd tectum.
Optionally, diffraction grating, the first tectum and the 2nd tectum are one-piece construction, and wherein, the specific refractory power of the first tectum is different from the specific refractory power of diffraction grating, as shown in Figure 6, so that the light inciding the first tectum is the collimated beam in the groove face being perpendicular to diffraction grating.
Based on above-mentioned any embodiment, the structure of optical modulation element, comprising at least one first light-modulating cell, the first light-modulating cell comprises:
First substrate, second substrate, the first liquid crystal layer between first substrate and second substrate and the first electrode between first substrate and second substrate and the 2nd electrode, wherein, by applying voltage on the first electrode and the 2nd electrode, adjust the shooting angle of the 2nd light in a first direction.
Concrete, the first electrode and the 2nd electrode can be arranged at the same side, and as the first electrode and the 2nd electrode are all arranged on first substrate, or the first electrode and the 2nd electrode be all arranged on second substrate; First electrode and the 2nd electrode can also be arranged on different substrate respectively, and as the first electrode is arranged on first substrate, the 2nd electrode is arranged on second substrate. The position that first electrode and the 2nd electrode are arranged is not limited by the utility model embodiment, as long as electric field can be made to be formed between first substrate and second substrate, to adjust the rising angle of the 2nd light.
In the utility model embodiment, the first electrode is strip shaped electric poles, and the shape of the 2nd electrode does not limit, it is possible to be strip shaped electric poles or planar electrode; Or the 2nd electrode is strip shaped electric poles, and the shape of the first electrode does not limit, it is possible to be strip shaped electric poles or planar electrode. Optionally, if the first electrode and the 2nd electrode are strip shaped electric poles, then the strip shaped electric poles of the first electrode and the 2nd electrode is parallel to each other.
Fig. 7 gives a kind of optional structural representation of the first light-modulating cell, and the first light-modulating cell 71 comprises:
First substrate 711, second substrate 712 and the first liquid crystal layer 713 between first substrate 711 and second substrate 712, wherein, first substrate 711 is positioned at the light emission side of collimation optics, and first substrate 711 is provided with multiple the first strip shaped electric poles 714 being spaced. Second substrate 712 is provided with multiple strip shaped electric poles of being spaced or planar electrode (not shown), so that forming electric field between second substrate and first substrate.
At least one sub-pixel unit in the utility model embodiment, in the corresponding display panel of each first light-modulating cell.
Optionally, at least one row sub-pixel unit in the corresponding display panel of each first light-modulating cell, or at least a line sub-pixel unit in the corresponding display panel of each first light-modulating cell.
Illustrate, each first light-modulating cell can a sub-pixel unit in corresponding display panel, as shown in Figure 8 A, to realize the adjustment of the shooting angle of the outgoing light to this sub-pixel unit; Each first light-modulating cell can a pixel cell in corresponding display panel, as shown in Figure 8 B, to realize the adjustment of the shooting angle of the outgoing light to this pixel cell, wherein, each pixel cell comprises a R pixel, a G pixel and a B pixel; Each first light-modulating cell can a row sub-pixel unit in corresponding display panel, as shown in Figure 8 C, to realize the adjustment of the shooting angle of the outgoing light to this row sub-pixel unit; Each first light-modulating cell can a line sub-pixel unit in corresponding display panel, as in fig. 8d, to realize the adjustment of the shooting angle of the outgoing light to this row sub-pixel unit. Certainly, the utility model embodiment does not limit above four kinds of corresponding relations, the multiple sub-pixel unit in all right corresponding display panel of each first light-modulating cell, it is also possible to the multiple pixel cells in corresponding display panel. It should be noted that, the sub-pixel unit that each light-modulating cell is corresponding is more few, then the adjustment of the shooting angle of the outgoing light of display panel is more meticulous.
In the utility model embodiment, described first electrode in described first light-modulating cell and the equivalent optics structure after applying voltage on described 2nd electrode are liquid crystal prism or liquid crystal lens. for the first light-modulating cell shown in Fig. 7, assume that the liquid crystal in the first liquid crystal layer in the first light-modulating cell adopts electrically conerolled birefringence (ElectricallyControlledBirefringence, it is called for short ECB) pattern, as shown in Figure 9 A, the voltage applied on multiple first strip shaped electric poles in this first light-modulating cell reduces successively, and adopting the voltage applied on different first strip shaped electric poles of Serial regulation, then its optics structural equivalents is in liquid crystal prism, it is achieved control light to the right. after different first light-modulating cell applies different voltage, the angle of outgoing light deflection is also different, as shown in Figure 9 B, the voltage applied on multiple first strip shaped electric poles in first the first light-modulating cell reduces successively from high-voltage 1, until low voltage 1, shooting angle through the outgoing light of this first light-modulating cell is �� 1, the voltage applied on multiple first strip shaped electric poles in 2nd the first light-modulating cell reduces successively from high-voltage 2, until low voltage 2, shooting angle through the outgoing light of this first light-modulating cell is �� 2, as can be seen from the figure, �� 1 > �� 2. still for first light-modulating cell, the voltage applied on multiple first strip shaped electric poles in this first light-modulating cell reduces successively, and adopt the voltage applied on different first strip shaped electric poles of Serial regulation, its optics structure is also equivalent in liquid crystal prism, realize controlling light to the left, as shown in Figure 9 C. according to the voltage applied on different first strip shaped electric poles of nonlinear adjustment, the schematic diagram that then the first light-modulating cell is equivalent to a liquid crystal lens is as shown in fig. 9d, the voltage applied on multiple first strip shaped electric poles in this first light-modulating cell reduces successively, and adopt the voltage applied on different first strip shaped electric poles of nonlinear adjustment, then its optics structural equivalents is in liquid crystal lens, it is achieved control light to the right.
In the utility model embodiment, if the setting direction of the first strip shaped electric poles in the first light-modulating cell is parallel with sub-pix column direction on display panel, the modulation of the horizontal direction to outgoing light then it is in a first direction at the shooting angle adjusting the 2nd light, namely outgoing light is carried out left and right modulation, as shown in Figure 10 A; If the setting direction of the first strip shaped electric poles in the first light-modulating cell is parallel with sub-pix line direction on display panel, the modulation of the vertical direction to outgoing light then it is in a first direction at the shooting angle adjusting the 2nd light, namely outgoing light is carried out upper modulated, as shown in Figure 10 B.
Optionally, the optical modulation element in the utility model embodiment also comprises at least one the 2nd light-modulating cell being arranged on the first light-modulating cell, and the 2nd light-modulating cell comprises:
3rd substrate, tetrabasal, the 2nd liquid crystal layer between described 3rd substrate and described tetrabasal and at the 3rd the 3rd electrode between substrate and tetrabasal and the 4th electrode, wherein, by applying voltage on the 3rd electrode and the 4th electrode, adjust the shooting angle of the 2nd light in a second direction different from the first direction. Thus be can be implemented in by the first light-modulating cell and the 2nd light-modulating cell and the shooting angle of the 2nd light is adjusted by different directions.
Concrete, if first party is to being horizontal direction, namely the 2nd light being carried out left and right modulation, then second direction is vertical direction, namely the 2nd light is carried out upper modulated; If first party is to being vertical direction, namely the 2nd light is carried out upper modulated, then second direction is horizontal direction, and namely the 2nd light carry out left and right modulation.
At least one sub-pixel unit in the utility model embodiment, in the corresponding display panel of each the 2nd light-modulating cell.
Optionally, at least one row sub-pixel unit in the corresponding display panel of each the 2nd light-modulating cell, or at least a line sub-pixel unit in the corresponding display panel of each the 2nd light-modulating cell.
In the utility model embodiment, each the Article 3 shape electrode in each the 2nd light-modulating cell applies different voltage, so that each the 2nd light-modulating cell is equivalent to a liquid crystal prism or a liquid crystal lens.
Due to the structure of the 2nd light-modulating cell and the similar of the first light-modulating cell, referring specifically to the associated description in the first light-modulating cell, repeat no more herein.
In the utility model embodiment, when optical modulation element comprises the first light-modulating cell and the 2nd light-modulating cell, the structure of display unit as shown in figure 11, comprising:
Display panel 111;
It is positioned at the collimation optics 112 of the light emission side of display panel 111;
The first light-modulating cell 113 being positioned at the light emission side of collimation optics 112, the 2nd light, for being modulated by the shooting angle of the 2nd light in a first direction, is namely carried out the modulation of horizontal direction by this first light-modulating cell 113;
2nd light, for being modulated by the shooting angle of the 2nd light in a first direction, is namely carried out the modulation of vertical direction by the 2nd light-modulating cell the 114, two light-modulating cell 113 of light emission side being positioned at the first light-modulating cell 113.
For the display unit shown in Figure 11, this display unit is realized 3D display and is described in detail depending on display with two.
One, the application of 3D display
Due to viewing person watch display unit time, the position of each sub-pix in the position of people's eye and display unit is not in same level, people's eye first can be incident to people's incident angle at the moment by the outgoing light of the first light-modulating cell adjustment display unit, so that can receive the light of different sub-pix injection. the index distribution of the 2nd liquid crystal layer in unit is adjusted to be rendered as the shape looks of liquid crystal prism by adjacent two the 2nd light again, namely the optics structure of each the first modulating unit is all equivalent to a liquid crystal prism, such as the prism structure in Figure 12 A, or adjacent two the 2nd light adjust the index distribution of the 2nd liquid crystal layer in unit to be rendered as the shape looks of liquid crystal lens, namely the optics structure of each the first modulating unit is all equivalent to a liquid crystal lens, such as the lens arrangement in Figure 12 B, to adjust the shooting angle of the outgoing light of two groups of different view information (i.e. view 1 and view 2) of the same image of display in display panel, thus the outgoing light making two groups of different view information of same image injects the left eye of viewing person and right eye respectively, the outgoing light of view 1 enters right eye, the outgoing light of view 2 enters left eye, such two groups of different view information are by the fusion of viewing person's brain, form 3D rendering. wherein, the slope angle of the liquid crystal prism of the first modulating unit equivalences different in Figure 12 A is different, and the focus of the liquid crystal lens of the first modulating unit equivalences different in Figure 12 B is different.
Certainly, first can also adjust unit by adjacent two the first light, the shooting angle of the outgoing light of two groups of different view information (i.e. view 1 and view 2) of the same image of display in adjustment display panel, so that the outgoing light of the two of same image groups of different view information injects the left eye of viewing person and right eye respectively, form 3D rendering; People's eye it is incident to people's incident angle at the moment again, so that can receive the light of different sub-pix injection by the outgoing light of the 2nd light-modulating cell adjustment display unit.
Two, two application looking display
Two when looking display, due to viewing person watch display unit time, the position of each sub-pix in the position of people's eye and display unit is not in same level, people's eye first can be incident to people's incident angle at the moment by the outgoing light of the first light-modulating cell adjustment display unit, so that can receive the light of different sub-pix injection. Unit is adjusted again, the shooting angle of the outgoing light of different images in adjustment display panel, so that the outgoing light of different images injects the right and left eyes of different viewing person respectively by adjacent two the 2nd light.
, it is also possible to first adjusting unit by adjacent two the first light, the outgoing light of adjustment display unit is incident to people's incident angle at the moment, certainly so that people's eye can receive the light of different sub-pix injection. Unit is adjusted again, the shooting angle of the outgoing light of different images in adjustment display panel, so that the outgoing light of different images injects the right and left eyes of different viewing person respectively by adjacent two the 2nd light; People's eye it is incident to people's incident angle at the moment again, so that can receive the light of different sub-pix injection by the outgoing light of the 2nd light-modulating cell adjustment display unit.
Although having described preferred embodiment of the present utility model, but those skilled in the art once the substantially creative concept of cicada, then these embodiments can be made other change and amendment. Therefore, it is intended that the appended claims shall be construed comprise preferred embodiment and fall into all changes and the amendment of the utility model scope.
Obviously, the utility model can be carried out various change and modification and not depart from spirit and scope of the present utility model by the technician of this area. Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these change and modification.
Claims (14)
1. a display unit, comprises display panel, it is characterised in that, described display unit also comprises:
The collimation optics being positioned at the light emission side of described display panel, described collimation optics is modulated into the 2nd light of collimation for the first light penetrated by described display panel and penetrates;
The optical modulation element being positioned at the light emission side of described collimation optics, described optical modulation element is for adjusting the shooting angle of described 2nd light at described optical modulation element.
2. device as claimed in claim 1, it is characterised in that, described collimation optics comprises:
Diffraction grating, described diffraction grating is for being converted to collimated beam by the first light inciding described diffraction grating;
It is positioned at the first tectum of the light emission side of described diffraction grating; And
The 2nd tectum being positioned on described first tectum, wherein, the specific refractory power of described first tectum is less than the specific refractory power of described 2nd tectum, and described first tectum and described 2nd tectum are used for the collimated beam to described diffraction grating outgoing and collimate, and obtain described 2nd light.
3. device as claimed in claim 2, it is characterised in that, the corresponding diffraction grating of each sub-pixel unit in described display panel; Or
The corresponding diffraction grating of the sub-pixel unit of the often row same color in described display panel; Or
The corresponding diffraction grating of the sub-pixel unit of the often row same color in described display panel; Or
The corresponding diffraction grating of the sub-pixel unit of at least two different colours in described display panel.
4. device as claimed in claim 3, it is characterized in that, described diffraction grating comprises grating face and multiple groove face being positioned on described grating face, wherein: for each groove face, the wavelength of the incident light in the angle in described groove face and described grating face, the width in described groove face and described groove face meets following formula:
2d*sinr=��;
Wherein, d represents the width in described groove face, and r represents described groove face and the angle in described grating face, and �� represents the wavelength of the incident light in described groove face.
5. device as claimed in claim 2, it is characterised in that, the specific refractory power of described first tectum is different from the specific refractory power of described diffraction grating.
6. device as described in item as arbitrary in Claims 1 to 5, it is characterised in that, described optical modulation element comprises at least one first light-modulating cell, and described first light-modulating cell comprises:
First substrate, second substrate, the first liquid crystal layer between described first substrate and described second substrate and the first electrode between described first substrate and described second substrate and the 2nd electrode, wherein, by applying voltage on described first electrode and described 2nd electrode, adjust the shooting angle of described 2nd light in a first direction.
7. device as claimed in claim 6, it is characterised in that, at least one sub-pixel unit in the corresponding described display panel of the first light-modulating cell described in each.
8. device as claimed in claim 7, it is characterized in that, at least one row sub-pixel unit in the corresponding described display panel of first light-modulating cell described in each, or at least a line sub-pixel unit in the corresponding described display panel of the first light-modulating cell described in each.
9. device as claimed in claim 6, it is characterised in that, described first electrode in described first light-modulating cell and the equivalent optics structure after applying voltage on described 2nd electrode are liquid crystal prism or liquid crystal lens.
10. device as claimed in claim 6, it is characterised in that, described optical modulation element also comprises at least one the 2nd light-modulating cell being arranged on described first light-modulating cell, and described 2nd light-modulating cell comprises:
3rd substrate, tetrabasal, the 2nd liquid crystal layer between described 3rd substrate and described tetrabasal and the 3rd electrode between described 3rd substrate and described tetrabasal and the 4th electrode, wherein, by applying voltage on described 3rd electrode and described 4th electrode, be different from described first party to second party adjust upward the shooting angle of described 2nd light.
11. devices as claimed in claim 10, it is characterised in that, at least one sub-pixel unit in the corresponding described display panel of the 2nd light-modulating cell described in each.
12. devices as claimed in claim 11, it is characterized in that, at least one row sub-pixel unit in the corresponding described display panel of 2nd light-modulating cell described in each, or at least a line sub-pixel unit in the corresponding described display panel of the 2nd light-modulating cell described in each.
13. devices as claimed in claim 10, it is characterised in that, described 3rd electrode in described 2nd light-modulating cell and the equivalent optics structure after applying voltage on described 4th electrode are liquid crystal prism or liquid crystal lens.
14. devices as claimed in claim 10, it is characterised in that, described first electrode is strip shaped electric poles, and described 3rd electrode is strip shaped electric poles, and described first electrode is mutually vertical with the arrangement direction of described 3rd electrode; Or
Described first electrode is strip shaped electric poles, and described 4th electrode is strip shaped electric poles, and described first electrode is mutually vertical with the arrangement direction of described 4th electrode; Or
Described 2nd electrode is strip shaped electric poles, and described 3rd electrode is strip shaped electric poles, and described 2nd electrode is mutually vertical with the arrangement direction of described 3rd electrode; Or
Described 2nd electrode is strip shaped electric poles, and described 4th electrode is strip shaped electric poles, and described 2nd electrode is mutually vertical with the arrangement direction of described 4th electrode.
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