CN108227252A - A kind of display system - Google Patents
A kind of display system Download PDFInfo
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- CN108227252A CN108227252A CN201810070167.3A CN201810070167A CN108227252A CN 108227252 A CN108227252 A CN 108227252A CN 201810070167 A CN201810070167 A CN 201810070167A CN 108227252 A CN108227252 A CN 108227252A
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- display device
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- moire fringes
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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
- G02F1/1313—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 specially adapted for a particular application
-
- 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
-
- 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
- G02F1/133509—Filters, e.g. light shielding masks
-
- 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
- G02F1/133526—Lenses, e.g. microlenses or Fresnel lenses
-
- 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
- G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
Abstract
The present invention provides a kind of display system, is related to display technology field, can improve the moire fringes in display device display image, improve display effect.The display system, including display device, the display system further includes：The lens unit that the display device shows side is arranged on, the image that the display device is shown forms spatial frequency spectrum on frequency plane of the lens unit far from the display device side；The filter unit being arranged on the frequency plane；The filter unit is configured to stop the pre-set space frequency content in the spatial frequency spectrum, and the pre-set space frequency content corresponds to the moire fringes in described image.
Description
Technical field
The present invention relates to display technology field more particularly to a kind of display systems.
Background technology
In the prior art, with the continuous improvement of display product resolution ratio, the size of single pixel is also gradually reduced therewith.
Display product is usually present when showing picture due to high frequency picture and the appearance mole of the speckle pattern interferometry of pixel arrangement
Line (Moire) or due to the prismatic lens in backlight source module and pixel unit mutually overlapping the phenomenon that generating moire fringes, influences to see
The viewing experience for the person of seeing.
Invention content
In consideration of it, to solve problem of the prior art, the embodiment of the present invention provides a kind of display system, can improve display
Device shows the moire fringes in image, improves display effect.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that：
An embodiment of the present invention provides a kind of display systems, and including display device, the display system further includes：It is arranged on
The display device shows the lens unit of side, and the image that the display device is shown is in the lens unit far from described aobvious
Spatial frequency spectrum is formed on the frequency plane of showing device side；The filter unit being arranged on the frequency plane；The filter unit is matched
The pre-set space frequency content stopped in the spatial frequency spectrum is set to, the pre-set space frequency content corresponds in described image
Moire fringes.
Optionally, the filter unit includes：Black-and-white crystal display panel；The black-and-white crystal display panel includes：It is in
Multiple first pixel units of array arrangement；The display system further includes：Control unit；Described control unit is configured in order to control
First pixel unit in predeterminable area is light tight, to stop the pre-set space frequency content；Meanwhile the control list
Member is additionally configured to control the first pixel unit light transmission in remaining region in addition to the predeterminable area, so that the sky
Between remaining spatial frequency composition in frequency spectrum in addition to the pre-set space frequency content pass through.
Optionally, described control unit includes：Identification module is configured to identify the moire fringes；Computing module is configured to
By the moire fringes identified calculate on the black-and-white crystal display panel it is to be shown go out block pattern；The screening
Gear pattern includes：Lightproof part and light transmission part；The lightproof part is configured to stop the pre-set space frequency content,
The light transmission part be configured to make remaining spatial frequency in the spatial frequency spectrum in addition to the pre-set space frequency content into
Divide and pass through；Drive module is configured to drive preset areas corresponding with the lightproof part on the black-and-white crystal display panel
First pixel unit in domain is light tight, meanwhile, drive on the black-and-white crystal display panel except the predeterminable area it
The first pixel unit light transmission in remaining outer region.
Optionally, the display device includes：Multiple second pixel units being arranged in array；The moire fringes are by described
The candy strip that multiple second pixel units being arranged in array are shown generates.
Optionally, the black-and-white crystal display panel is normally white black-and-white crystal display panel.
Optionally, the display device includes：First liquid crystal display panel and backlight source module；First liquid crystal display
Panel includes：The multiple third pixel units being arranged in array；The backlight source module includes：First prismatic lens；Described mole
Line is generated by the prism striped of the third pixel unit and first prismatic lens is mutually overlapping；The filter unit includes：
Block diaphragm；The diaphragm that blocks includes：Light tight portion and transmittance section；Wherein, the light tight portion is configured to stop described pre-
If spatial frequency composition, the transmittance section is configured to make its in addition to the pre-set space frequency content in the spatial frequency spectrum
Complementary space frequency content passes through.
Optionally, the light tight region after the light tight portion is exposed by dianegative is formed, and the transmittance section is by described
The unexposed transmission region of dianegative is formed.
Optionally, the display system further includes：The second prismatic lens that the display device shows side are covered in, it is described
Second prismatic lens are configured to improve the depth of parallelism of the emergent light of the display device；The moire fringes are by the third pixel list
The prism striped of first, described first prismatic lens and the mutually overlapping generation of the prism striped of second prismatic lens.
Optionally, the lens unit includes：Hydrogel lenses；The hydrogel lenses include：Transparent membrane, be arranged on it is described
The electrode and clear gel on transparent membrane surface；The electrode and the clear gel are set towards the display device；It is described
Electrode configuration is the radius of curvature to form electric field to control the clear gel surface.
Optionally, the display system further includes：First support member is configured to make the lens unit with pre-determined distance
It is fixed in face of the display device；And/or second support member, it is configured to that the filter unit is made to be fixed on the lens list
On the frequency plane of the member far from the display device side.
Based on this, the above-mentioned display system provided through the embodiment of the present invention, by showing side successively in display device
Lens unit, filter unit are set, corresponded in the spatial frequency spectrum that the image that display device is shown is formed by lens unit
The pre-set space frequency content of moire fringes filters out, and so as to obtain the image of no moire fringes in image plane, improves display effect
Fruit improves the viewing quality of viewer.Above-mentioned display system is suitable for more demanding to high frequency picture and removal moire fringes show
Show occasion.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of configuration structure schematic diagram of display system provided in an embodiment of the present invention；
Fig. 2 is Abbe-baud Image in Spatial Filtering Experiment principle schematic；
Fig. 3 is the picture contrast schematic diagram before and after mesh filtering；
Fig. 4 (a) is the photo figure one for the image for showing screen display in the prior art；
Fig. 4 (b) is the photo figure two for the image for showing screen display in the prior art.
Reference numeral：
10- display devices；20- lens units；30- filter units.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
It should be pointed out that unless otherwise defined, all terms used in the embodiment of the present invention are (including technology and section
Technics) there are the identical meanings being commonly understood by with those skilled in the art.It is also understood that such as existing
Those terms defined in usual dictionary should be interpreted as having and their meaning phases one in the context of the relevant technologies
The meaning of cause is explained, unless being clearly defined herein without application idealization or the meaning extremely formalized.
For example, term " first ", " second " used in present patent application specification and claims with
And similar word is not offered as any sequence, quantity or importance, is intended merely to distinguish different component parts." comprising "
The element or object that either the similar word such as "comprising" means to occur before the word, which are covered, appears in the word presented hereinafter
Element either object and its equivalent and be not excluded for other elements or object." upper/top ", " under/lower section ", " row/line direction "
And the orientation of the instructions such as " row/column direction " or the term of position relationship are based on orientation shown in the drawings or position relationship, only
It is that the device for simplifying description rather than instruction or hint meaning of technical scheme of the present invention or element are necessary for convenience of description
With specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
As shown in Figure 1, the embodiment of the present invention provides a kind of display system, which includes display device 10；Setting
The lens unit 20 of side is shown in the display device 10, and the image of aforementioned display device 10 display is separate in lens unit 20
Spatial frequency spectrum is formed on the frequency plane (being illustrated in figure with dotted line) of 10 side of display device；The filtering list being arranged on frequency plane
Member 30；The filter unit 30 is configured to the pre-set space frequency content in blocking spatial frequency spectrum, the pre-set space frequency content pair
It should be in the moire fringes in above-mentioned image.
Above-mentioned display system provided in an embodiment of the present invention is specifically that space filtering principle is utilized to show display device
Image carried out information processing, that is, filtered out moire fringes therein so that viewer is positioned at close to filter unit side
It can be seen that image without moire fringes in image plane (in Fig. 1 label be), so as to improve the viewing quality of viewer.
It is described in detail below to the principle of space filtering：
Coherent light, which is irradiated to object, can generate diffraction light, and fraunhofer can be formed on the frequency plane of lens after lens spreads out
Pattern is penetrated, that is, forms frequency spectrum, this step diffraction plays the role of " dividing ".These frequency spectrums are equivalent to new secondary wave source, by them
The spherical wave sent out is interfered and the picture of formation in image plane, and the interference of this step is played the role of " synthesizing ".From object plane to frequency
Spectrum face is the imaging process first step, a corresponding Fourier transformation；It is imaging process second step from frequency plane to image plane, it is corresponding
Inverse Fourier transform.
Wherein, frequency plane refers to that (i.e. the focus far from light source, opposite another focus are then by the second focus of lens
First focus) and perpendicular to the plane of system primary optical axis, also referred to as the second focal plane or back focal plane or Fourior plane.
In the imaging process first step, light is resolved into the spatial frequency spectrum of various frequencies on frequency plane after object diffraction,
" classification " that the spatial structural form that actually object is included is carried out according to spatial frequency.If filtering is set on frequency plane
Device (such as baffle or phase shift plate), with regard to (or selection passes through) certain spatial frequency compositions can be removed, so as to change frequency plane
On optical field distribution so that object imaging variation, the change procedure of this imaging is space filtering.
As shown in Fig. 2, for based on the separate Image in Spatial Filtering Experiment of above-mentioned space filtering, using the black and white of filament grid protocol
Grating simulates object plane.Multiple parallel coherent beams can form a grid pattern, the meeting after lens after black-white grating
Spatial frequency spectrum is formed on the frequency plane of lens, if the adjustable diaphragm that the wave filter being placed on frequency plane is controllable for size, leads to
The hole size of diaphragm is overregulated, the spatial frequency composition that grid pattern is corresponded in spatial frequency spectrum can be filtered out, i.e., aperture is only
Zero-frequency component can be allowed to pass through, and shelter from high fdrequency component, so as to show one in image plane without the white of raster pattern
Picture.
The effect of space filtering can further as shown in figure 3, wherein (a) partly be across the pattern before lens be grid and
The bird pattern covered by grid, then eliminates meshing therein so that viewer is in picture after adjustable diaphragm filters
It is only capable of seeing the bird pattern as shown in wherein (b) part in plane, selective information processing is carried out to image so as to reach
Effect.
Based on the principle of above-mentioned space filtering, refering to what is shown in Fig. 1, above-mentioned display system provided in an embodiment of the present invention,
Display device 10 shows side setting lens unit 20, and the light being emitted by lens unit 20 to display device (is shown
Image) it is focused, and form the spatial frequency spectrum of image, it will by the filter unit 30 being arranged on 20 frequency plane of lens unit
The pre-set space frequency content of the moire fringes corresponded in above-mentioned image in spatial frequency spectrum filters out, so as to be obtained on image plane AA
The image of no moire fringes is obtained, improves display effect.
Above-mentioned display device can be liquid crystal display device or organic electroluminescence display device and method of manufacturing same, be specifically as follows display
Device, TV, mobile phone, tablet computer, Digital Frame, navigator etc. have the product or component of any display function.
Based on this, the above-mentioned display system provided through the embodiment of the present invention, by showing side successively in display device
Lens unit, filter unit are set, corresponded in the spatial frequency spectrum that the image that display device is shown is formed by lens unit
The pre-set space frequency content of moire fringes filters out, and so as to obtain the image of no moire fringes in image plane, improves display effect
Fruit improves the viewing quality of viewer.Above-mentioned display system is suitable for more demanding to high frequency picture and removal moire fringes show
Show occasion
On the basis of the above, above-mentioned display system provided in an embodiment of the present invention may also include：First support member, configuration
For lens unit is made to be fixed with pre-determined distance in face of display device.
Here, the first support member is specifically as follows that frame, stent etc. are any can to fix the component of lens unit, and make
Lens unit must be made to be fixed with pre-determined distance in face of display device.
Wherein, above-mentioned pre-determined distance is so that from the light that display device is emitted in lens unit far from display device side
Corresponding spatial frequency spectrum is formed on frequency plane.Specific distance can the area of display area and lens unit according to the display device
The optical parameters such as focal length are flexibly set, and the embodiment of the present invention is not construed as limiting this.
Further, above-mentioned display system provided in an embodiment of the present invention may also include：Second support member is configured to make
Filter unit is fixed on frequency plane of the lens unit far from display device side.
Here, the second support member is specifically as follows any component that can fix filter unit such as frame, stent.
It should be noted that above-mentioned first support member can be two independent fixed components with the second support member,
Or two parts in a fixed component.
Further, it is contemplated that traditional glass lens there are difficulty of processing it is larger, broken the shortcomings of, therefore, this hair
Bright embodiment is it is further preferred that non-glass lens specifically may be used in said lens unit.
Exemplary, which can be hydrogel lenses.The hydrogel lenses specifically include：Transparent membrane is arranged on
The electrode and clear gel of bright membrane surface；Electrode and clear gel are set towards display device；Electrode configuration is forms electric field
To control the radius of curvature on clear gel surface.
Wherein, clear gel is an arc along the section on the transparent membrane direction as substrate, and curvature is partly
Diameter is used to describe the degree of the bending change of the arc.The radius of curvature on clear gel surface is controlled by voltage, is adjusted saturating
The shape of bright gel protrusion, so as to control the focal length of the hydrogel lenses of formation.
Clear gel can be specifically arranged on by way of absorption on transparent membrane (being, for example, high molecular material), be used for
Hydrogel lenses of the prior art can be continued to use by forming the pattern of the electrode of electric field, and the embodiment of the present invention is not construed as limiting this.
Two specific embodiments are provided below, for the dynamic that above-mentioned display system removal high frequency picture is formed to be described in detail
Moire fringes and removal prismatic lens and the mutually overlapping moire fringes generated of pixel unit.
Embodiment 1
The moire fringes that high frequency picture generates typically appear as the water ripples shape as shown in Fig. 4 (a) or Fig. 4 (b).For display
The moire fringes that image medium-high frequency picture that device is shown generates, due to moire fringes show with display device it is specific image-related,
As dynamic moire fringes, thus can by the frequency plane of lens unit set a black-and-white crystal display panel, as
Barrier display carries out selective filtering, to remove the moire fringes in image.Concrete structure is：
Above-mentioned filter unit includes：Black-and-white crystal display panel, the black-and-white crystal display panel include：It is arranged in array
Multiple first pixel units；Above-mentioned display system further includes：Control unit；Control unit configuration in order to control in predeterminable area the
One pixel unit is light tight, to stop pre-set space frequency content；Meanwhile control unit be additionally configured to control except predeterminable area it
The first pixel unit light transmission in remaining outer region, so that remaining in spatial frequency spectrum in addition to pre-set space frequency content is empty
Between frequency content pass through.
Above-mentioned display device includes：Multiple second pixel units being arranged in array；Dynamic moire fringes are by being in array row
The candy strip that multiple second pixel units of cloth are shown generates.
Here, the single colour liquid crystal display of black-and-white crystal display panel, that is, traditional, when the light that backlight is sent out is white light,
Its display pattern is usually black matrix wrongly written or mispronounced character or white gravoply, with black engraved characters.Concrete structure can continue to use the prior art, the embodiment of the present invention 1 to this not
It repeats again.
Above-mentioned control unit can specifically include：Identification module is configured to the high frequency section pattern production that identification shows image
Raw moire fringes；Computing module, be configured to by the moire fringes identified calculate it is corresponding block pattern, this blocks pattern packet
Include lightproof part and light transmission part；Drive module is configured to drive to correspond on above-mentioned black-and-white crystal display panel and treats shape
Into the lightproof part for blocking pattern predeterminable area in the first pixel unit it is light tight, with stop pre-set space frequency into
Point；Meanwhile drive the first pixel list in remaining region (i.e. corresponding to light transmission part to be formed) in addition to predeterminable area
First light transmission, so that remaining spatial frequency composition in spatial frequency spectrum in addition to pre-set space frequency content passes through.
It is shown on black-and-white crystal display panel so that this blocks pattern, improves picture radio-frequency head so as to reach
Divide the purpose of moire fringes.
Above-mentioned black-and-white crystal display panel can be further normally white black-and-white crystal display panel.Normally white refers to liquid crystal
For illuminated state (white) when box is not powered, when power-up the dark-state orthogonal for polaroid, i.e., so-called white gravoply, with black engraved characters.TN(Twist
Nematic, twisted nematic) type liquid crystal display panel is usually normal white mode, since the image that display device is shown is by upper
It is transmission region to state the most of region formed on its frequency plane after lens unit 20, and small part is the height corresponding to moire fringes
Again and again spectrum point, therefore use the black-and-white crystal display panel of normal white mode that can reduce energy consumption.
Embodiment 2
For the mutually overlapping moire fringes generated of prismatic lens and pixel unit, due to being arranged in array in display product
Pixel unit can integrally see numerous stripeds of spacing very little as, and for the display product with backlight source module, backlight
The crest structure of prismatic lens causes the shade distinctions of light-emitting surface that can also see stria one by one as in module.Prism is penetrated successively
The backlight of piece and pixel unit can generate interference at the mutually overlapping place of two kinds of stripeds, so that display product goes out when showing image
Existing moire fringes.
I.e. above-mentioned display device specifically includes：First liquid crystal display panel and backlight source module；First liquid crystal display panel
Including：The multiple third pixel units being arranged in array；Backlight source module includes：First prismatic lens；Moire fringes are by third pixel
The prism striped of unit and the first prismatic lens is mutually overlapping to be generated；Above-mentioned filter unit specifically includes：Block diaphragm；Block diaphragm
Including：Transmittance section and light tight portion；Wherein, light tight portion is configured to blocking pre-set space frequency content, and transmittance section is configured to make
Remaining spatial frequency composition in spatial frequency spectrum in addition to pre-set space frequency content passes through.
Wherein, the light tight region after light tight portion is exposed by dianegative is formed, and transmittance section is unexposed by dianegative
Transmission region form.
Here, the mutually overlapping moire fringes generated of the lattice structure of the prismatic lens in backlight source module and pixel unit can be with
Regard as in Fig. 2 by filamentary webs lattice into black-white grating, the frequency spectrum that this fixed grid is formed on frequency plane is solid
Fixed.
Therefore, display device can be made first to show pure white picture (i.e. the only image of white and moire fringes), i.e., using aobvious
Black egative film is placed on frequency plane of the lens unit far from display device side by the light of showing device outgoing as exposure light source
On, single exposure is carried out to black egative film, so as to which the spectrogram of the fixation moire fringes of generation be recorded in as grid pattern
On black egative film.Region after being lighttight before exposure, exposed due to black egative film can form transparent area, so as in black
The transparent area corresponding to moire fringes and the light tight area corresponding to white background are formd on egative film.
And being actually subjected to realize improves the purpose that display device shows image mole, needs to allow low frequency corresponding to white background
Component passes through, and the high fdrequency component corresponding to moire fringes is allowed to be filtered out.Therefore, it is necessary to the principle according to Image in Spatial Filtering Experiment, moulds
Intend the lattice point that it is generated on frequency plane by grid to expose on dianegative again.
Due to dianegative be before exposure light transmission, exposure region can form light tight area, pass through for the first time
After black egative film after exposure is exposed dianegative, it can be formed and opposite with black egative film transmission region block pattern.
The light tight portion that is formed corresponds to the high frequency spectrum point of moire fringes after being exposed i.e. on dianegative, unexposed on dianegative
Light portion corresponds to the low frequency component in other regions in image.
After the dianegative with light tight area of above-mentioned formation is placed on frequency plane, the grid generation of moire fringes
Diffraction spot is just sheltered from by the light tight portion filtering on dianegative, and the image shown at this time as the display device of background is then
It changes and moire fringes grid is blocked, so as to reach in the image for improving display since prismatic lens are mutual with pixel unit
Overlapping and the fixation moire fringes of generation effects.
On the basis of the above, it can also show that side pastes the second prismatic lens in display device, to improve display device
The depth of parallelism of emergent light.
Due to increasing the second prismatic lens, generated after the second prismatic lens from the image that above-mentioned display device is shown
Fixed moire fringes are then by the third pixel unit of the first LCD panel array arrangement, backlight source module in display device
In the prism striped of the first prismatic lens and the prism striped of increased second prismatic lens mutually overlapping generate.For blocking correspondence
It blocks diaphragm in the pre-set space frequency content of moire fringes and need to only install one additional, it is multiple without installing additional.
Here, after due to increasing by the second prismatic lens, the position of display device emergent light is changed, and therefore, is subsequently set
Spacing between spacing, filter unit and lens unit and image plane and lens between the lens unit and display device put
Spacing between unit should all adjust accordingly, the specific principle for adjusting principle and meeting Abbe-baud space filtering, and the present invention is real
Example 2 is applied to be not especially limited this.
Certainly, for the improvement of above-mentioned offer since prismatic lens and pixel unit mutually overlap the fixation moire fringes generated
Embodiment 2, can also be using with by the way of previous embodiment 1, first obtaining and corresponding with moire fringes blocking pattern, then this is hidden
Gear is shown on black-and-white crystal display panel, so as to achieve the purpose that improve fixed moire fringes.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in change or replacement, should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of display system, including display device, which is characterized in that the display system further includes：
The lens unit that the display device shows side is arranged on, the image that the display device is shown is in the lens unit
Spatial frequency spectrum is formed on frequency plane far from the display device side；
The filter unit being arranged on the frequency plane；The filter unit is configured to stop the default sky in the spatial frequency spectrum
Between frequency content, the pre-set space frequency content correspond to described image in moire fringes.
2. display system according to claim 1, which is characterized in that the filter unit includes：Black-and-white crystal display surface
Plate；The black-and-white crystal display panel includes：Multiple first pixel units being arranged in array；
The display system further includes：Control unit；First picture in predeterminable area in order to control is configured in described control unit
Plain unit is light tight, to stop the pre-set space frequency content；Meanwhile described control unit is additionally configured to control except described pre-
If the first pixel unit light transmission in remaining region except region, so as to remove the pre-set space in the spatial frequency spectrum
Remaining spatial frequency composition except frequency content passes through.
3. display system according to claim 2, which is characterized in that described control unit includes：
Identification module is configured to identify the moire fringes；
Computing module is configured to calculate by the moire fringes identified to be shown on the black-and-white crystal display panel
What is gone out blocks pattern；The pattern that blocks includes：Lightproof part and light transmission part；The lightproof part is configured to blocking institute
State pre-set space frequency content, the light transmission part be configured to make in the spatial frequency spectrum except the pre-set space frequency content it
Remaining outer spatial frequency composition passes through；
Drive module is configured to drive on the black-and-white crystal display panel in predeterminable area corresponding with the lightproof part
First pixel unit it is light tight, meanwhile, drive on the black-and-white crystal display panel in addition to the predeterminable area
The first pixel unit light transmission in remaining region.
4. display system according to claim 2, which is characterized in that the display device includes：What is be arranged in array is more
A second pixel unit；The moire fringes are produced by the candy strip that multiple second pixel units being arranged in array are shown
It is raw.
5. display system according to claim 2, which is characterized in that the black-and-white crystal display panel is normally white black and white
Liquid crystal display panel.
6. display system according to claim 1, which is characterized in that the display device includes：First LCD display
Plate and backlight source module；First liquid crystal display panel includes：The multiple third pixel units being arranged in array；The backlight
Source module includes：First prismatic lens；The moire fringes are by the third pixel unit and the prism striped of first prismatic lens
It is mutually overlapping to generate；
The filter unit includes：Block diaphragm；The diaphragm that blocks includes：Light tight portion and transmittance section；
Wherein, the light tight portion is configured to stop the pre-set space frequency content, and the transmittance section is configured to make the sky
Between remaining spatial frequency composition in frequency spectrum in addition to the pre-set space frequency content pass through.
7. display system according to claim 6, which is characterized in that the light tight portion exposed by dianegative after not
Transmission region is formed, and the transmittance section is made of the unexposed transmission region of the dianegative.
8. display system according to claim 6, which is characterized in that the display system further includes：
The second prismatic lens that the display device shows side are covered in, second prismatic lens are configured to improve the display dress
The depth of parallelism for the emergent light put；
The moire fringes by the third pixel unit, the prism striped of first prismatic lens and second prismatic lens rib
Mirror striped is mutually overlapping to be generated.
9. display system according to claim 1, which is characterized in that the lens unit includes：Hydrogel lenses；It is described solidifying
Glue lens include：Transparent membrane, the electrode and clear gel for being arranged on the transparent membrane surface；The electrode and described transparent
Gel is set towards the display device；The electrode configuration is the curvature half to form electric field to control the clear gel surface
Diameter.
10. display system according to claim 1, which is characterized in that the display system further includes：First support portion
Part is configured to that the lens unit is made to fix in face of the display device with pre-determined distance；And/or second support member, configuration
For the filter unit is made to be fixed on the frequency plane of the lens unit far from the display device side.
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| CN201810070167.3A CN108227252B (en) | 2018-01-24 | 2018-01-24 | Display system |
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|---|---|---|---|
| CN201810070167.3A CN108227252B (en) | 2018-01-24 | 2018-01-24 | Display system |
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| CN108227252B CN108227252B (en) | 2021-04-23 |
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| CN105093669A (en) * | 2015-10-09 | 2015-11-25 | 京东方科技集团股份有限公司 | Color film substrate, production method of color film substrate, display panel and display device |
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| JPH10312033A (en) * | 1997-05-13 | 1998-11-24 | Mitsubishi Electric Corp | Display device |
| US20120182505A1 (en) * | 2011-01-13 | 2012-07-19 | Samsung Corning Precision Materials Co., Ltd. | Optical filter for reducing color shift and liquid crystal display having the same |
| CN102608767A (en) * | 2012-03-16 | 2012-07-25 | 深圳超多维光电子有限公司 | Autostereoscopic display device and corresponding terminal equipment |
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| CN108227252B (en) | 2021-04-23 |
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