CN109581731A - A kind of display panel, its viewpoint calibration method and readable storage medium - Google Patents
A kind of display panel, its viewpoint calibration method and readable storage medium Download PDFInfo
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- CN109581731A CN109581731A CN201910061542.2A CN201910061542A CN109581731A CN 109581731 A CN109581731 A CN 109581731A CN 201910061542 A CN201910061542 A CN 201910061542A CN 109581731 A CN109581731 A CN 109581731A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
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Abstract
The invention discloses a kind of display panel, its viewpoint calibration method and readable storage mediums, comprising: the multiple point light sources being arranged in array on substrate, and positioned at each point light source light emission side and each point light source at a distance of the liquid crystal cell of set distance；Beam projecting angular range and the distance between point light source and the liquid crystal cell satisfaction of point light source make two neighboring point light source project the condition that the hot spot of liquid crystal cell does not overlap；Liquid crystal cell includes: the multiple pixel units being arranged in array；Multiple pixel units of point light source covering are respectively the corresponding pixel unit of different points of view collection.When viewer watches display panel at different viewing locations, different viewpoints can be made to concentrate corresponding to different images by being modulated to the pixel unit in liquid crystal cell, and the light distribution of picture watched excessively of viewer is close to true light field, different display images can be watched as the viewing location of viewer changes, to realize the simulation of light field.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of display panel, its viewpoint calibration method and readability to deposit
Storage media.
Background technique
As user is to display effect increasingly higher demands, dimension display technologies are rapidly developed in recent years.Wherein, light field
Display is the light simulating the real-world object that human eye is experienced and issuing, to realize the technology of stereoscopic display true to nature.Light field is aobvious
Show the recovery that may be implemented relative to existing dimension display technologies to body surface optical field distribution, it is highdensity by reconstructing
Directional rays realize Three-dimensional Display, and viewer may be viewed by without wearing ancillary equipment, and viewing experience gets a promotion.
But current light field show is imaged based on cylinder scanning, technical threshold is excessively high, needs in 360 degree of direction
For upper 4 the dimensions even data of 5 dimensions of calculating to simulate light field, calculation amount and difficulty in computation are big, and equipment cost is high, it is more difficult to promote.
Summary of the invention
The present invention provides a kind of display panel, its viewpoint calibration method and readable storage mediums, to solve light field
The problem that display technology equipment cost is high, technical difficulty is big.
In a first aspect, the present invention provides a kind of display panel, comprising: substrate, what is be arranged in array on the substrate is more
A point light source, and positioned at each point light source light emission side and each point light source at a distance of the liquid crystal cell of set distance；
Wherein, the beam projecting angular range and the distance between the point light source and the liquid crystal cell of the point light source
Satisfaction makes the two neighboring point light source project the condition that the hot spot of the liquid crystal cell does not overlap；
The liquid crystal cell includes: the multiple pixel units being arranged in array；
The hot spot that the point light source projects the liquid crystal cell covers multiple pixel units, the point light source covering
Multiple pixel units are respectively the corresponding pixel unit of different points of view collection；
The viewpoint integrates the set of the multiple viewpoints formed as viewing location relative to the display panel, and the viewpoint is
Intersection point between the display surface of the line and the liquid crystal cell of the point light source and the viewing location.
In one possible implementation, in above-mentioned display panel provided by the invention, further includes: be located at adjacent two
Barn door between a point light source, surface of the barn door with the substrate towards the point light source side and described
Liquid crystal cell offsets towards the surface of the point light source side.
In one possible implementation, in above-mentioned display panel provided by the invention, the point light source is miniature
Light emitting diode.
Second aspect, the present invention provide a kind of viewpoint calibration method based on any of the above-described display panel, comprising:
Gone out according to the light of positional relationship and each point light source between point light source each in display panel and liquid crystal cell
Angular range is penetrated, determines viewing location when viewing display panel；
According to the positional relationship between each viewing location and the liquid crystal cell, determine that each viewing location is corresponding
Viewpoint concentrates the position of the pixel unit at each viewpoint；
Wherein, the image data of the corresponding each viewpoint collection load of each viewing location is different.
In one possible implementation, in the above method provided by the invention, described according to each viewing
Positional relationship between position and the liquid crystal cell determines that the corresponding viewpoint of each viewing location concentrates the pixel at each viewpoint
Before the position of unit, further includes:
According to the quantity of the point light source and the quantity of the pixel unit of the liquid crystal cell, the display panel energy is determined
The quantity of the image enough shown.
In one possible implementation, in the above method provided by the invention, the display panel can be shown
Image maximum quantity pass through following formula determine:
Wherein, A indicates the maximum quantity for the image that the display panel can be shown；The point light source is arranged in m row n column
Matrix, the pixel unit be arranged in x row y column matrix.
In one possible implementation, in the above method provided by the invention, according to each point light in display panel
The beam projecting angular range of positional relationship and each point light source between source and liquid crystal cell, when determining viewing display panel
Viewing location, comprising:
Each point light source and the point light source are projected into each pixel unit that the hot spot of the liquid crystal cell is covered
Line formed multiple intersection points position, as watch the display panel when multiple viewing locations.
In one possible implementation, described according to each viewing position in the above method provided by the invention
The positional relationship between the liquid crystal cell is set, determines that the corresponding viewpoint of each viewing location concentrates the pixel list at each viewpoint
The position of member, comprising:
Determine what the line between the viewing location and each point light source was formed in the display surface of the liquid crystal cell
Position of the viewpoint in the hot spot that the corresponding point light source projects the liquid crystal cell；
Relative positional relationship of the facula position of the liquid crystal cell in the display surface is projected according to the point light source,
And position of the viewpoint in the hot spot that the corresponding point light source projects the liquid crystal cell, determine the viewpoint in institute
The position of display surface is stated, to obtain the position that the corresponding viewpoint of each viewing location concentrates the pixel unit at each viewpoint
It sets.
In one possible implementation, in the above method provided by the invention, by described in following formula determination
Position of the viewpoint in the hot spot that the corresponding point light source projects the liquid crystal cell:
Wherein, S indicates position of the viewpoint in the hot spot that the corresponding point light source projects the liquid crystal cell, L1
Indicate vertical range of the point light source to the liquid crystal cell, L2Indicate the viewing location to the liquid crystal cell it is vertical away from
From L3Indicate that the point light source projects the width of the hot spot of the liquid crystal cell, L4Indicate the viewing location in the liquid crystal cell
Forward projection point and the distance between the spot center point.
The third aspect, the present invention provide a kind of readable storage medium, and the readability storage medium is stored with display surface
Plate executable instruction, the display panel executable instruction is for making display panel execute any of the above-described viewpoint calibration method.
The present invention has the beneficial effect that:
Display panel, its viewpoint calibration method and readable storage medium provided by the invention, display panel includes: base
Plate, the multiple point light sources being arranged in array on substrate, and be located at each point light source light emission side and each point light source at a distance of setting away from
From liquid crystal cell；Wherein, the beam projecting angular range of point light source and the distance between point light source and liquid crystal cell satisfaction make phase
Adjacent two point light sources project the condition that the hot spot of liquid crystal cell does not overlap；Liquid crystal cell includes: the multiple pixels being arranged in array
Unit；The hot spot that point light source projects liquid crystal cell covers multiple pixel units, and multiple pixel units of point light source covering are respectively
The corresponding pixel unit of different points of view collection；Viewpoint integrates the set of the multiple viewpoints formed as viewing location relative to display panel,
Viewpoint is the intersection point between the line of point light source and viewing location and the display surface of liquid crystal cell.Viewer is in different viewing locations
When place's viewing display panel, different viewpoints can be made to concentrate corresponding to not by being modulated to the pixel unit in liquid crystal cell
With image, and the light distribution of picture that viewer watches excessively is close to true light field, with the viewing location of viewer
Different display images can be watched by changing, to realize the simulation of light field.It is provided in an embodiment of the present invention above-mentioned aobvious
The light field displaying scheme based on cylinder scanning imaging in showing panel compared with the prior art simulates carried out light modulation when light field
Treatment process is simply more, and equipment cost declines to a great extent, and is more advantageous to popularization and use.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will make below to required in the embodiment of the present invention
Attached drawing is briefly described, it should be apparent that, attached drawing described below is only some embodiments of the present invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is one of the cross section structure schematic diagram of display panel provided in an embodiment of the present invention；
Fig. 2 a is one of viewpoint collection schematic diagram provided in an embodiment of the present invention；
Fig. 2 b is the two of viewpoint collection schematic diagram provided in an embodiment of the present invention；
Fig. 3 is the two of the cross section structure schematic diagram of display panel provided in an embodiment of the present invention；
Fig. 4 is the flow chart of the viewpoint calibration method of display panel provided in an embodiment of the present invention；
Fig. 5 is viewpoint position schematic diagram provided in an embodiment of the present invention；
Fig. 6 is viewpoint target effect picture provided in an embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
It is described in detail to one step, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
All other embodiment, shall fall within the protection scope of the present invention.
Display panel, its viewpoint calibration method and can of specific embodiment of the invention offer are provided with reference to the accompanying drawing
The property read storage medium.
The embodiment of the present invention in a first aspect, a kind of display panel is provided, as shown in Figure 1, the display panel includes: substrate
11, the multiple point light sources 12 being arranged in array on the substrate 11, and it is located at each 12 light emission side of point light source and each point light source apart
The liquid crystal cell 13 of set distance.
Wherein, the beam projecting angular range of point light source 12 and the distance between point light source 12 and liquid crystal cell 13 satisfaction make
Two neighboring point light source 12 projects the condition that the hot spot of liquid crystal cell 13 does not overlap.
As shown in Figure 1, liquid crystal cell 13 includes: the multiple pixel units 131 being arranged in array；Point light source 12 projects liquid crystal
The hot spot of box 13 covers multiple pixel units 131, and multiple pixel units 131 that point light source 12 covers are respectively different points of view collection pair
The pixel unit answered.
In embodiments of the present invention, as shown in Figure 1, viewpoint P refers to connection and the liquid crystal cell of point light source 12 and viewing location
Intersection point between 13 display surface.In same viewing location, the connection of different point light sources 12 and the viewing location and liquid crystal cell
The position of the viewpoint formed between 13 display surface is not identical, and viewer is this in the image that same viewing location is watched
The image that a little viewpoints are constituted, in embodiments of the present invention, as shown in Figure 2 a and 2 b, by a viewing location relative to display
The set that multiple viewpoint P that panel is formed are constituted is referred to as a viewpoint collection, then viewer watches in a viewing location
To image be then image that the corresponding viewpoint collection in the position is shown.And as the viewing location of viewer changes, viewing
The position for the viewpoint that person is formed with display panel also correspondingly changes, as shown in Figure 2 a, when viewer watches in the position S1
When display panel, the viewpoint watched is P；When viewer is moved to the position S2, then the viewpoint watched is P '.As long as so
Apply different modulated signals to corresponding viewpoint collection for different viewing locations, then may be implemented to see in different viewing locations
See different images.
Using above-mentioned display panel provided in an embodiment of the present invention, viewer watches display surface at different viewing locations
When plate, different viewpoints can be made to concentrate corresponding to different images by being modulated to the pixel unit in liquid crystal cell, and
The light distribution for the picture that viewer is watched can be seen close to true light field as the viewing location of viewer changes
Different display images is seen, to realize the simulation of light field.Above-mentioned display panel provided in an embodiment of the present invention is compared to existing
There is the light field displaying scheme based on cylinder scanning imaging in technology, it is simple to simulate carried out light modulation treatment process when light field
It is more, equipment cost declines to a great extent, and is more advantageous to popularization and use.
Direct propagation principle the going out in liquid crystal cell 13 for passing through light due to above-mentioned display panel provided in an embodiment of the present invention
Smooth surface forms multiple viewpoints, therefore each point light source 12 is projected and do not overlapped between each hot spot on liquid crystal cell 13, in this way can be with
The case where avoiding a viewpoint from belonging to more than two viewpoint collection appearance, to avoid the crosstalk between viewpoint.However if make phase
The hot spot that adjacent two point light sources 12 project on liquid crystal cell 13 does not overlap, between needing to be arranged between two neighboring point light source 12
Away from sufficiently large, the spacing between point light source 12 is bigger, then be arranged in the confined space point light source 12 quantity it is then fewer, and watch
The resolution ratio for the image that the viewpoint collection that person watches is shown is related to the quantity of spot source, and the quantity of point light source 12 is more, then schemes
Picture resolution ratio is bigger, and the quantity of point light source 12 is fewer, then image resolution ratio is smaller.
In order to improve the image resolution ratio of display panel, as shown in figure 3, can be arranged between two neighboring point light source 12
Barn door 14, barn door 14 and surface and liquid crystal cell 13 of the substrate 11 towards 12 side of point light source are towards 12 side of point light source
Surface offsets.Barn door 14 is set between two neighboring point light source 12, it can be by the projection scope of 12 emergent ray of point light source
It is limited to the region between adjacent barn door 14, even if the range for the light that point light source 12 is emitted is bigger, but can be by phase
Adjacent barn door 14 is blocked without being emitted into the projected area of adjacent point light source, can increase setting for point light source 12 in this way
Quantity is set, the resolution ratio of display image is thus improved.
In practical applications, the point light source 12 in display panel can be used micro-led.It is micro-led
Size generally at 200 μm hereinafter, the image resolution ratio of display panel can reach 1-2K.In addition to this it is possible to using other
The lesser point light source of size, it is not limited here.
The second aspect of the embodiment of the present invention additionally provides a kind of viewpoint target side based on any of the above-described display panel
Method, as shown in figure 4, viewpoint calibration method provided in an embodiment of the present invention, may include:
S10, gone out according to the light of positional relationship and each point light source between point light source each in display panel and liquid crystal cell
Angular range is penetrated, determines viewing location when viewing display panel；
S20, according to the positional relationship between each viewing location and liquid crystal cell, determine that the corresponding viewpoint of each viewing location is concentrated
The position of pixel unit at each viewpoint.
Wherein, the image data of the corresponding each viewpoint collection load of each viewing location is different.
It will be appreciated that the light-emitting angle of a point light source is fixed, then when the position between point light source and liquid crystal cell is closed
After system is fixed, then the light-emitting angle of display panel can be determined, viewer only covers model in the light-emitting angle of display panel
Position within enclosing can just watch the display image of display panel.And the formation of viewpoint follows the straightline propagation principle of light, because
This can be determined after the positional relationship between the beam projecting angular range and point light source and liquid crystal cell of point light source is fixed
The light of each point light source can influence out pixel unit and viewer can watch display in which viewing location
The display image of panel.After multiple viewing locations have been determined, obtained for each viewing location by connecting each point light source
With the intersection point of liquid crystal cell display panel, it is possible thereby to determine the viewing location corresponding to each viewpoint position.Determining this
After the position of the corresponding each viewpoint of viewing location, light modulating signal can be loaded to the pixel unit at these viewpoint positions,
The transmitance for changing light, to realize that the image of the viewing location is shown.For different viewing locations, different figures can be loaded
The light modulating signal of picture, then viewer can watch different images in different location, since human eye imitates image retention
It answers, three-dimensional image can be watched.
Further, before above-mentioned step S20, above-mentioned viewpoint calibration method provided in an embodiment of the present invention can also be wrapped
It includes:
According to the quantity of point light source and the quantity of the pixel unit of liquid crystal cell, the image that display panel can be shown is determined
Quantity.
It will be appreciated that the quantity for the pixel unit that a point-source light ray can project is limited, and not
It is that all pixels that point light source can project to can be used for image and show, such as certain point light source shooting angles compare
Even if big light can form viewpoint in the display surface of liquid crystal cell, but the viewpoint can not constitute viewpoint collection with other viewpoints,
Then such viewpoint is invalid viewpoint.In order to avoid the generation of invalid viewpoint, point light source is chosen under normal circumstances to limited nearby
A pixel unit emergent ray, can be each in this way by connecting each point light source and corresponding each pixel unit to form viewpoint
Viewing location is obtained at the position of point light source connection intersection point, so that it is determined that the quantity of viewing location out, that is, define display surface
The quantity for the image that plate can be shown.
Theoretically if point light source is arranged in the matrix of m row n column, pixel unit is arranged in the matrix of x row y column, then shows
The maximum quantity A for the image that panel can be shown can be determined by following formula:
One point light source at most can form viewpoint to A neighbouring pixel unit emergent ray, therefore according to above-mentioned rule
The quantity that the viewpoint that the point light source and pixel unit then arranged can be formed integrates is A, then the picture number that can at most show
Amount is also A.After the most multidisplay amount of images of display panel has been determined, each viewpoint of each viewpoint collection can be carried out
Multiple image after the complete multiple viewpoint collection of target, is loaded into corresponding viewpoint respectively and concentrated by the step of viewpoint target, synthesis
Image is shown in the display surface of liquid crystal cell, can see corresponding image in specific viewing location, realize the simulation to light field.?
When synthesizing the image of maximum quantity, image resolution ratio is m × n.
In the specific implementation, in above-mentioned step S10, according to the position between point light source each in display panel and liquid crystal cell
The beam projecting angular range of relationship and each point light source is set, determines viewing location when viewing display panel, comprising:
What the line for each pixel unit that the hot spot that each point light source and the point light source project liquid crystal cell is covered was formed
The position of multiple intersection points, multiple viewing locations when as viewing display panel.
As shown in figures 1 and 3, the light of a point light source 12 outgoing can form a light in the display panel of liquid crystal cell 13
Spot can form the viewpoint shown for image in the range of the hot spot.Each point light source 12 and its hot spot coverage area it
The line of interior each pixel unit 131 may be with the company of each pixel unit within other point light sources and its hot spot coverage area
There are intersection point between connecing, the viewing location of viewer when the position of these intersection points is then image display.
Further, it in above-mentioned step S20, according to the positional relationship between each viewing location and liquid crystal cell, determines
The corresponding viewpoint of each viewing location concentrates the position of the pixel unit at each viewpoint, comprising:
Determine viewpoint that line between viewing location and each point light source is formed in the display surface of liquid crystal cell corresponding
Point light source projects the position in the hot spot of liquid crystal cell；
Relative positional relationship and viewpoint of the facula position of liquid crystal cell in display surface are projected right according to point light source
The point light source answered projects the position in the hot spot of liquid crystal cell, determines viewpoint in the position of display surface, to obtain each viewing location
Corresponding viewpoint concentrates the position of the pixel unit at each viewpoint.
Wherein it is possible to determine position of the viewpoint in the hot spot that corresponding point light source projects liquid crystal cell by following formula
It sets:
Referring specifically to Fig. 5, S indicates position of the viewpoint in the hot spot that corresponding point light source projects liquid crystal cell, L1It indicates
Vertical range of the point light source to liquid crystal cell, L2Indicate vertical range of the viewing location to liquid crystal cell, L3Indicate that point light source projects liquid
The width of the hot spot of brilliant box, L4Indicate viewing location liquid crystal cell forward projection point between spot center point at a distance from.
The line and 11 angle of substrate of point light source 12 and viewing location are θ, the connection of point light source 12 and viewing location
It is also θ with plane angle where liquid crystal cell.Therefore, available following equation:
Thus, it is possible to calculate distance x:
And there are relationships as shown in the figure between distance S and distance x, therefore can obtain:
Minus sign is taken when viewpoint P is located at the midpoint left side of point light source, is taken when viewpoint P is located at the right side at the midpoint of point light source
Plus sige.
It is possible thereby to calculate each point light source relative to specific viewing location hot spot model caused by the point light source
Interior generated viewpoint position is enclosed, the position of the hot spot range and liquid crystal cell display panel that generate further according to each point light source is closed
System, it can obtain each viewpoint in the position of the display surface of liquid crystal cell, can be obtained by the pixel unit at the position in this way
Position.It, can be according to the content of display image after the position for determining each pixel unit corresponding to each viewpoint collection
Light modulating signal is applied respectively to the corresponding pixel unit of each viewpoint collection, so that the display surface of liquid crystal cell can show multiple sights
See the corresponding composograph in position.When viewing can watch different display figures when each different viewing location is mobile
Picture.
For example, if point light source is arranged as the array of 3*3, the pixel unit of liquid crystal cell is arranged as the array of 6*6, then
The optoacoustic of one point light source can cover its 2*2 pixel unit in top.Display panel using the above structure can form 4 views
Point set is denoted as viewpoint collection A, viewpoint collection B, viewpoint collection C, viewpoint collection D.Each viewpoint collection corresponds to a viewing location, each view
Point set corresponds to piece image.As shown in fig. 6, the corresponding pixel unit of viewpoint that viewpoint collection A is formed in the display surface of liquid crystal cell
Respectively A11, A12, A13, A21, A22, A23, A31, A32, A33；The viewpoint pair that viewpoint collection B is formed in the display surface of liquid crystal cell
The pixel unit answered is respectively B11, B12, B13, B21, B22, B23, B31, B32, B33；Display surface of the viewpoint collection C in liquid crystal cell
The corresponding pixel unit of the viewpoint of formation is respectively C11, C12, C13, C21, C22, C23, C31, C32, C33；Viewpoint collection D is in liquid
The corresponding pixel unit of viewpoint that the display surface of brilliant box is formed be respectively D11, D12, D13, D21, D22, D23, D31, D32,
D33.When performing image display, the light modulation of different images can be applied to pixel unit group corresponding to viewpoint collection A-D respectively
Signal, so as to form the composograph of 4 width images, viewing can see at 4 specific viewing locations to be respectively corresponded
In the display image of 4 viewpoint collection, realize that light field is shown.
The third aspect of the embodiment of the present invention provides a kind of readable storage medium, readability storage medium storage
There is display panel executable instruction, display panel executable instruction is for making display panel execute any of the above-described viewpoint target side
Method.
Display panel, its viewpoint calibration method and readable storage medium provided in an embodiment of the present invention, display panel packet
It includes: substrate, the multiple point light sources being arranged in array on substrate, and apart set positioned at each point light source light emission side with each point light source
The liquid crystal cell of set a distance；Wherein, the beam projecting angular range of point light source and the distance between point light source and liquid crystal cell meet
Two neighboring point light source is set to project the condition that the hot spot of liquid crystal cell does not overlap；Liquid crystal cell include: be arranged in array it is multiple
Pixel unit；The hot spot that point light source projects liquid crystal cell covers multiple pixel units, multiple pixel units point of point light source covering
It Wei not the corresponding pixel unit of different points of view collection；Viewpoint integrates the collection of the multiple viewpoints formed as viewing location relative to display panel
It closes, viewpoint is the intersection point between the line of point light source and viewing location and the display surface of liquid crystal cell.Viewer is in different viewings
When watching display panel at position, different viewpoints can be made to concentrate correspondence by being modulated to the pixel unit in liquid crystal cell
In different images, and the light distribution of picture that viewer watches excessively is close to true light field, with the viewing of viewer
Position, which changes, can watch different display images, to realize the simulation of light field.On provided in an embodiment of the present invention
State display panel compared with the prior art in the light field displaying scheme based on cylinder scanning imaging, carried out light when simulating light field
Modulation treatment process is simply more, and equipment cost declines to a great extent, and is more advantageous to popularization and use.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of display panel characterized by comprising substrate, the multiple point light sources being arranged in array on the substrate, with
And positioned at each point light source light emission side and each point light source at a distance of the liquid crystal cell of set distance；
Wherein, the beam projecting angular range of the point light source and the distance between the point light source and the liquid crystal cell meet
The two neighboring point light source is set to project the condition that the hot spot of the liquid crystal cell does not overlap；
The liquid crystal cell includes: the multiple pixel units being arranged in array；
The hot spot that the point light source projects the liquid crystal cell covers multiple pixel units, and the point light source covers multiple
The pixel unit is respectively the corresponding pixel unit of different points of view collection；
The viewpoint integrates the set of the multiple viewpoints formed as viewing location relative to the display panel, and the viewpoint is described
Intersection point between the display surface of the line and the liquid crystal cell of point light source and the viewing location.
2. display panel as described in claim 1, which is characterized in that further include: between the two neighboring point light source
Barn door, the barn door and surface and the liquid crystal cell of the substrate towards the point light source side are towards the point
The surface of light source side offsets.
3. display panel as described in claim 1, which is characterized in that the point light source is micro-led.
4. a kind of viewpoint calibration method based on the described in any item display panels of claim 1-3 characterized by comprising
According to the beam projecting angle of positional relationship and each point light source between point light source each in display panel and liquid crystal cell
Range is spent, determines viewing location when viewing display panel；
According to the positional relationship between each viewing location and the liquid crystal cell, the corresponding viewpoint of each viewing location is determined
Concentrate the position of the pixel unit at each viewpoint；
Wherein, the image data of the corresponding each viewpoint collection load of each viewing location is different.
5. viewpoint calibration method as claimed in claim 4, which is characterized in that it is described according to each viewing location with it is described
Positional relationship between liquid crystal cell determines that the corresponding viewpoint of each viewing location concentrates the position of the pixel unit at each viewpoint
Before, further includes:
According to the quantity of the point light source and the quantity of the pixel unit of the liquid crystal cell, determine that the display panel can be shown
The quantity of the image shown.
6. viewpoint calibration method as claimed in claim 5, which is characterized in that the image that the display panel can be shown is most
Big quantity is determined by following formula:
Wherein, A indicates the maximum quantity for the image that the display panel can be shown；The point light source is arranged in the square of m row n column
Battle array, the pixel unit are arranged in the matrix of x row y column.
7. viewpoint calibration method as claimed in claim 4, which is characterized in that according to point light source each in display panel and liquid crystal cell
Between positional relationship and each point light source beam projecting angular range, determine viewing display panel when viewing position
It sets, comprising:
The company for each pixel unit that the hot spot that each point light source and the point light source project the liquid crystal cell is covered
The position for multiple intersection points that line is formed, multiple viewing locations when as the viewing display panel.
8. viewpoint calibration method as claimed in claim 4, which is characterized in that described according to each viewing location and the liquid
Positional relationship between brilliant box determines that the corresponding viewpoint of each viewing location concentrates the position of the pixel unit at each viewpoint,
Include:
Determine the viewpoint that the line between the viewing location and each point light source is formed in the display surface of the liquid crystal cell
Position in the hot spot that the corresponding point light source projects the liquid crystal cell；
Relative positional relationship of the facula position of the liquid crystal cell in the display surface is projected according to the point light source, and
Position of the viewpoint in the hot spot that the corresponding point light source projects the liquid crystal cell determines the viewpoint described aobvious
Show the position in face, to obtain the position that the corresponding viewpoint of each viewing location concentrates the pixel unit at each viewpoint.
9. viewpoint calibration method as claimed in claim 8, which is characterized in that determine the viewpoint in correspondence by following formula
The point light source project the position in the hot spot of the liquid crystal cell:
Wherein, S indicates position of the viewpoint in the hot spot that the corresponding point light source projects the liquid crystal cell, L1It indicates
Vertical range of the point light source to the liquid crystal cell, L2Indicate vertical range of the viewing location to the liquid crystal cell, L3Table
Show that the point light source projects the width of the hot spot of the liquid crystal cell, L4Indicate the viewing location in the positive throwing of the liquid crystal cell
The distance between shadow point and the spot center point.
10. a kind of readability storage medium, which is characterized in that the readability storage medium is stored with the executable finger of display panel
It enables, the display panel executable instruction is for making display panel perform claim require the described in any item viewpoint target sides 4-9
Method.
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