CN109597247A - Display panel, backlight and its means for correcting - Google Patents
Display panel, backlight and its means for correcting Download PDFInfo
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- CN109597247A CN109597247A CN201910122019.6A CN201910122019A CN109597247A CN 109597247 A CN109597247 A CN 109597247A CN 201910122019 A CN201910122019 A CN 201910122019A CN 109597247 A CN109597247 A CN 109597247A
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- Prior art keywords
- backlight
- light
- bright spot
- emission component
- light emission
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- 239000000463 material Substances 0.000 claims abstract description 30
- 238000012545 processing Methods 0.000 claims abstract description 13
- 229910052709 silver Inorganic materials 0.000 claims description 8
- 239000004332 silver Substances 0.000 claims description 8
- -1 silver halide Chemical class 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims 1
- 230000026030 halogenation Effects 0.000 claims 1
- 238000005658 halogenation reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 238000002834 transmittance Methods 0.000 description 7
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- JKFYKCYQEWQPTM-UHFFFAOYSA-N 2-azaniumyl-2-(4-fluorophenyl)acetate Chemical compound OC(=O)C(N)C1=CC=C(F)C=C1 JKFYKCYQEWQPTM-UHFFFAOYSA-N 0.000 description 1
- 229910021612 Silver iodide Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000003752 improving hair Effects 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- ADZWSOLPGZMUMY-UHFFFAOYSA-M silver bromide Chemical compound [Ag]Br ADZWSOLPGZMUMY-UHFFFAOYSA-M 0.000 description 1
- SDLBJIZEEMKQKY-UHFFFAOYSA-M silver chlorate Chemical compound [Ag+].[O-]Cl(=O)=O SDLBJIZEEMKQKY-UHFFFAOYSA-M 0.000 description 1
- 229940045105 silver iodide Drugs 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- 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
- G02F1/133611—Direct backlight including means for improving the brightness uniformity
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
Abstract
The disclosure provides a kind of display panel, backlight and backlight means for correcting.The backlight includes light guide plate and light modulation film.The light guide plate has light-emitting surface.The setting of the light-emitting surface face of the light modulation film and light guide plate, and the material of light modulation film is photosensitive material.The backlight means for correcting includes plummer, image collection assembly, image processing modules, light emission component, mobile mechanism and control device.The plummer has the loading end for placing backlight.The image collection assembly, image processing modules and control device can determine the location information of bright spot in backlight, the control device controls mobile mechanism's driving light emission component according to the location information of bright spot and is moved to the position corresponding to bright spot on backlight, and light emission component unlatching is controlled, to emit specified light.The disclosure can eliminate bright spot, improve luminous uniformity.
Description
Technical field
This disclosure relates to field of display technology more particularly to a kind of display panel, backlight and backlight means for correcting.
Background technique
With the rapid development of display technology, it is aobvious that the liquid crystal display (LCD) as display equipment has become plate
Show the mainstream in field.Since liquid crystal itself does not shine, LCD, which needs to realize by backlight, to be shown.
In the assembling process of backlight, there is foreign matter vulnerable to pollution in backlight, causes specified light focusing to be formed bright
Point affects luminous uniformity.In order to eliminate bright spot, it is often necessary to dismantle backlight, complex steps easily lead to backlight
It is secondarily contaminated.
It should be noted that information is only used for reinforcing the reason to the background of the disclosure disclosed in above-mentioned background technology part
Solution, therefore may include the information not constituted to the prior art known to persons of ordinary skill in the art.
Summary of the invention
The disclosure is designed to provide a kind of display panel and backlight, can eliminate bright spot, improves luminous equal
Even property, and without dismantling backlight.
The another object of the disclosure is to provide a kind of backlight means for correcting, can be in the case where not dismantling backlight
The bright spot on backlight is eliminated, luminous uniformity is improved.
According to one aspect of the disclosure, a kind of backlight is provided, comprising:
Light guide plate has light-emitting surface；
Light modulation film is arranged with the light-emitting surface face of the light guide plate, and the material of the light modulation film is photosensitive material.
In a kind of exemplary embodiment of the disclosure, the material of the light modulation film includes silver halide.
In a kind of exemplary embodiment of the disclosure, the light modulation film with a thickness of 90-110 μm.
In a kind of exemplary embodiment of the disclosure, the backlight further include:
Prism assemblies are set between the light modulation film and the light guide plate.
According to one aspect of the disclosure, a kind of display panel, including backlight described in any of the above embodiments are provided.
According to one aspect of the disclosure, a kind of backlight means for correcting is provided, comprising:
Plummer, has a loading end for placing backlight, and the backlight includes light guide plate and light modulation film, described to lead
Tabula rasa has light-emitting surface, the light-emitting surface face setting of the light modulation film and the light guide plate, and the material of the light modulation film is sense
Luminescent material；
Image collection assembly is arranged, for acquiring the image of the backlight towards the loading end；
Image processing modules, for judging in described image with the presence or absence of bright spot, and there are when bright spot in described image,
Generate the location information of bright spot in described image；
Light emission component is arranged with the loading end face, for specifying light towards the carrying surface launching；
Mobile mechanism, for driving the light emission component mobile；
Control device determines the position of bright spot on the backlight for the location information according to bright spot in described image
Information, and the mobile mechanism is controlled according to the location information of bright spot on the backlight, the light emission component is driven to be moved to
It corresponding to the position of bright spot on the backlight, and controls the light emission component and opens, and keep preset duration, referred to transmitting
Determine light.
In a kind of exemplary embodiment of the disclosure, the backlight means for correcting further include:
Position detecting device, for detecting the location information of the light emission component；
The control device is also used to whether judge the light emission component according to the location information of the light emission component
It is moved to the position for corresponding to bright spot on the backlight, and is moved in the light emission component corresponding on the backlight
When the position of bright spot, controls the light emission component and open.
In a kind of exemplary embodiment of the disclosure, the material of the light modulation film includes silver halide, the light emitting group
Part can emit ultraviolet light.
In a kind of exemplary embodiment of the disclosure, the light emission component can be issued perpendicular to the loading end
Specified light.
In a kind of exemplary embodiment of the disclosure, the preset duration is 10-20s.
The display panel and backlight of the disclosure all have the light modulation film with the setting of the light-emitting surface face of light guide plate.Due to adjusting
The material of light film is photosensitive material, and light transmittance can reduce under the irradiation of specified light, so as to by backlight
Bright spot be irradiated, with reduce on light modulation film corresponding to the bright spot region light transmittance, bright spot can be eliminated, improve hair
The uniformity of light, and without dismantling backlight, avoid backlight from being secondarily contaminated.
Backlight with light modulation film is placed in loading end in use by the backlight means for correcting of the disclosure
On, and make the light-emitting surface of light guide plate backwards to loading end, the image of backlight is acquired by image collection assembly, and by image
Reason component judges with the presence or absence of bright spot in image, when, there are when bright spot, image processing modules generate bright spot in image in image
Location information, and it is sent to control device, control device generates bright spot on backlight according to the location information of bright spot in image
Location information, and control mobile mechanism and light emission component is driven to be moved to the position corresponding to bright spot on backlight, and control light
Emitting module is opened, and to emit specified light, to eliminate bright spot in the case where not dismantling backlight, is improved luminous
Uniformity；Meanwhile without improving work efficiency by manually determining bright spot on backlight.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The disclosure can be limited.
Detailed description of the invention
It is described in detail its exemplary embodiment by referring to accompanying drawing, the above and other feature and advantage of the disclosure will become
It obtains more obvious.It should be evident that the accompanying drawings in the following description is only some embodiments of the present disclosure, it is common for this field
For technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram of the backlight of disclosure embodiment；
Fig. 2 is the schematic diagram that the backlight of disclosure embodiment is illuminated；
Fig. 3 is the schematic diagram of the backlight means for correcting of disclosure embodiment；
Fig. 4 is the block diagram of the backlight means for correcting of disclosure embodiment；
Fig. 5 is the schematic diagram of the backlight means for correcting of disclosure embodiment；
Fig. 6 is the schematic diagram of one embodiment of mobile mechanism of the backlight means for correcting of disclosure embodiment；
Fig. 7 is the schematic diagram of another embodiment of mobile mechanism of the backlight means for correcting of disclosure embodiment.
In figure: 1, light guide plate；2, light modulation film；3, light-emitting surface；4, prism assemblies；5, plummer；6, loading end；7, backlight
Source；8, image collection assembly；9, light emission component；10, bracket；11, mobile mechanism；12, image processing modules；13, it first drives
Dynamic device；14, control device；15, position detecting device；16, foreign matter；17, light is specified；18, the first guide rail；19, it second leads
Rail；20, shaft；21, track；22, the second driving device.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to example set forth herein；On the contrary, these embodiments are provided so that the disclosure will comprehensively and
Completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.Described feature, structure or characteristic
It can be incorporated in any suitable manner in one or more embodiments.In the following description, it provides many specific thin
Section fully understands embodiment of the present disclosure to provide.It will be appreciated, however, by one skilled in the art that this can be practiced
Disclosed technical solution, or can be using other methods, material, dress without one or more in the specific detail
It sets.In other cases, known solution is not shown in detail or describes to avoid fuzzy all aspects of this disclosure.Phase in figure
Same appended drawing reference indicates same or similar structure, thus the detailed description that will omit them.
In addition, attached drawing is only the schematic illustrations of the disclosure, it is not necessarily drawn to scale.Identical attached drawing mark in figure
Note indicates same or similar part, thus will omit repetition thereof.Term " one " and "the" are to indicate existing
One or more elements/component part/etc.；Term " comprising " and " having " is to indicate the open meaning being included simultaneously
And the element/component part/for referring in addition to listing also may be present other than waiting other element/component part/etc..
Disclosure embodiment provides a kind of backlight.As depicted in figs. 1 and 2, which may include 1 He of light guide plate
Light modulation film 2, in which:
The light guide plate 1 has light-emitting surface 3.3 face of light-emitting surface of the light modulation film 2 and light guide plate 1 is arranged, and light modulation film 2
Material is photosensitive material.Wherein, the light transmittance of the photosensitive material reduces under the irradiation of specified light 17.
As depicted in figs. 1 and 2, the backlight of disclosure embodiment has and the setting of 3 face of light-emitting surface of light guide plate 1
Light modulation film 2.Since the material of light modulation film 2 is photosensitive material, light transmittance can reduce under the irradiation of specified light 17, so as to
It, can be with to reduce the light transmittance on light modulation film 2 corresponding to the region of the bright spot with by being irradiated to the bright spot on backlight
The bright spot as caused by the focusing light effect of foreign matter 16 is eliminated, luminous uniformity is improved, and without dismantling backlight, is avoided
Backlight is secondarily contaminated.
Each section of the backlight of disclosure embodiment is described in detail below:
As shown in Figure 1, the light guide plate 1 can have light-emitting surface 3, which can issue planar light.The light guide plate 1
It can be in rectangular slab, but not limited to this, can be with rounded plate etc..Material and ruler of the disclosure embodiment to light guide plate 1
It is very little not do particular determination.
As shown in Figure 1, the light modulation film 2 can be arranged with 3 face of light-emitting surface of light guide plate 1, i.e., light modulation film 2 can be with leaded light
The light-emitting surface 3 of plate 1 is arranged in parallel, so that the light that light-emitting surface 3 issues can irradiate light modulation film 2.Wherein, which can cover
In light guide plate 1.In disclosure other embodiment, prism assemblies 4, i.e. light modulation film are equipped between the light modulation film 2 and light guide plate 1
2 are set to side of the prism assemblies 4 far from light guide plate 1, can be to avoid the transmitting for influencing the light between light guide plate 1 and prism assemblies 4.
The thickness of the light modulation film 2 can be 90-110 μm, such as 90 μm, 92 μm, 93 μm, 96 μm, 98 μm, 100 μm, 104 μm, 110 μm
Deng.
As depicted in figs. 1 and 2, the material of the light modulation film 2 is photosensitive material.The light transmittance of the photosensitive material is in specified light
It is reduced under 17 irradiation, so as to by being irradiated to the bright spot on backlight, to reduce, that this is corresponded on light modulation film 2 is bright
The light transmittance in the region of point, can eliminate bright spot.Wherein, which may include silver halide etc..The silver halide can be
Silver chlorate, silver bromide, silver iodide etc..The specified light 17 can be ultraviolet light, and but not limited to this.In addition, forming the light modulation
The silver halide particle of film 2 can be nanoparticle.
Disclosure embodiment also provides a kind of display panel.The display panel may include any of the above-described embodiment institute
The backlight stated.At the same time it can also include the liquid crystal being oppositely arranged with backlight, and the light that backlight issues can irradiate liquid
Crystalline substance, certainly, the display panel can also include other components, and this will not be detailed here.The display panel of disclosure embodiment is adopted
Backlight is identical as the backlight in above embodiment, and therefore, beneficial effect having the same, details are not described herein.
In addition, the display panel can be used for mobile phone, computer etc..
Disclosure embodiment also provides a kind of backlight means for correcting.As shown in Fig. 1, Fig. 3 and Fig. 4, the backlight
Means for correcting may include plummer 5, image collection assembly 8, image processing modules 12, conversion module 13, light emission component 9,
Mobile mechanism 11 and control device 14, in which:
The plummer 5 has the loading end 6 for placing backlight 7.The backlight 7 is the backlight in above embodiment
Source, including light guide plate 1 and light modulation film 2.The light guide plate 1 has light-emitting surface 3.3 face of light-emitting surface of the light modulation film 2 and light guide plate 1
Setting, and the material of light modulation film 2 is photosensitive material.The image collection assembly 8 is arranged towards loading end 6, for acquiring backlight 7
Image.The image processing modules 12 generate figure for judging in image with the presence or absence of bright spot, and when there is bright spot in the picture
The location information of bright spot as in.The light emission component 9 and 6 face of loading end are arranged, for emitting specified light towards loading end 6.
The mobile mechanism 11 is for driving light emission component 9 mobile.The control device 14 is used for the location information according to bright spot in image
It determines the location information of bright spot on backlight 7, and light is driven according to the location information control mobile mechanism 11 of bright spot on backlight 7
Emitting module 9 is moved to the position corresponding to bright spot on backlight 7, and controls the unlatching of light emission component 9, and when keeping default
It is long, to emit specified light.
As shown in Fig. 1, Fig. 3 to Fig. 5, the backlight means for correcting of disclosure embodiment, in use, by backlight
Source 7 is placed on loading end 6, and makes the light-emitting surface 3 of light guide plate 1 backwards to loading end 6, passes through image collection assembly 8, image procossing
Component 12 and control device 14 determine the location information of bright spot on backlight 7, and control mobile mechanism by control device 14
11 driving light emission components 9 are moved to the position corresponding to bright spot on backlight 7, and control light emission component 9 emits specified light
17, to eliminate bright spot in the case where not dismantling backlight 7, improve luminous uniformity；Simultaneously without by artificial
It determines bright spot on backlight 7, improves work efficiency.
Each section of the backlight means for correcting of disclosure embodiment is described in detail below:
As shown in figure 3, the plummer 5 can have loading end 6, to place backlight 7.The loading end 6 can be in level
Setting, but not limited to this.
As shown in Figure 3 and Figure 4, which can be arranged towards loading end 6, be placed in loading end 6 for acquiring
On backlight 7 image.The image collection assembly 8 can connect in plummer 5.For example, which includes bracket
10, which is connected to the bracket 10.In addition, the image collection assembly 8 can be camera etc..
As shown in figure 4, the image processing modules 12 can connect in image collection assembly 8, to receive image collection assembly 8
The image of the backlight 7 of acquisition, and the image can be analyzed, to judge with the presence or absence of bright spot in image, and in image
In there are when bright spot, the location information of bright spot in image is generated, without improving work by manually determining bright spot on backlight 7
Make efficiency.For example, image processing modules 12 judge in image there are bright spot and generate the location information of bright spot in image
Principle are as follows: obtain the brightness value of each pixel in image, and be compared with luminance threshold, and luminance threshold is greater than according to brightness value
The pixel of value determines the position of bright spot.One bright spot may include one or more pixels.Certainly, the disclosure can also be by other
Mode identifies the bright spot in image.
As shown in figure 3, the light emission component 9 can be arranged with 6 face of loading end, for emitting specified light towards loading end 6
Line, so as to emit specified light towards the backlight 7 for being placed in loading end 6, to reduce the saturating of the light modulation film 2 on backlight 7
Light rate.For example, the material of the light modulation film 2 of backlight 7 includes silver halide, which can emit ultraviolet light.It should
Light emission component 9 also can connect in plummer 5, for example, the light emission component 9 is connected to above-mentioned bracket 10.
As shown in Figure 3 and Figure 4, which can connect with light emission component 9, for driving light emission component 9
It is mobile, so that light emission component 9 is moved to multiple positions, to eliminate the bright spot of different zones on backlight 7.The light emitting group
Part 9 can issue the specified light perpendicular to loading end 6, facilitate and be directed at light emission component 9 with the bright spot on backlight 7, with
Eliminate bright spot.In addition, above-mentioned image collection assembly 8 can be connect with mobile mechanism 11, in the image for having acquired backlight 7
Afterwards, light emission component 9 can be followed to move together.
The mobile mechanism of the disclosure may include rail assembly, first driving device and the second driving device.Such as Fig. 3 and figure
Shown in 6, in an embodiment of mobile mechanism, which includes the first guide rail 18 and the second guide rail 19.This first is led
Rail 18 and the second guide rail 19 are parallel with loading end 6, and the first guide rail 18 extends along a first direction, and the second guide rail 19 is along
Two directions extend.The first direction and second direction difference, for example, first direction and second direction are vertical.First guide rail 18
It is slidably connected with the second guide rail 19, which is slidingly disposed at first guide rail 18.The first driving device 13 can
To connect with the first guide rail 18, the first guide rail 18 can be driven to slide on the second guide rail 19 along second direction, so that light is sent out
The distance penetrating component 9 to move along second direction, and moving is greater than the size of backlight 7 in a second direction on plummer 5；
Second driving device 22 can be connect with light emission component 9, can drive light emission component 9 on the first guide rail 18 along
The sliding of one direction, and the distance slided is greater than the size of backlight 7 in a first direction on plummer 5, to make light emitting
Component 9 can be moved to the position corresponding to 7 arbitrary region of backlight on the direction for being parallel to loading end 6.Second guide rail
19 can be fixed on plummer 5, for example, being fixed on above-mentioned bracket 10.The first driving device 13 and the second driving device 22
It all can be cylinder, hydraulic cylinder etc..
As shown in Figure 3 and Figure 7, in another embodiment of mobile mechanism, which includes along linear extension
Track 21.The track 21 can rotate any angle in the plane parallel with loading end 6, and the light emission component 9 is slidably
Ground is set to the track 21.The first driving device 13 can connect in the track 21, to drive track 21 to rotate, to drive light
Emitting module 9 rotates；Second driving device 22 can be connect with light emission component 9, and light emission component 9 can be driven in track
The distance slided, and slided along the extending direction of track 21 on 21 is greater than backlight 7 in any direction for being parallel to loading end 6
On size, so that it is any corresponding to backlight 7 to be moved to light emission component 9 can on the direction for being parallel to loading end 6
The position in region.For example, which can rotate with above-mentioned bracket 10 in the plane parallel with loading end 6 and connect
It connects.Wherein, which can be connect with track 21 by shaft 20.The shaft 20 can be perpendicular to loading end 6.First drive
Dynamic device 13 can connect between shaft 20 and bracket 10, any around the rotation of the central axes of shaft 20 for drive shaft 20
Angle, and then drive track 21 to rotate by shaft 20.The first driving device 13 can be motor etc..Second driving device
22 all can be cylinder, hydraulic cylinder etc..
As shown in figure 4, the control device 14 can be connect with image processing modules 12, to receive the position of bright spot in image
Information, and the location information of bright spot on backlight 7 can be determined according to the location information of bright spot in image.The control device 14 can
To be all connected with mobile mechanism 11 and light emission component 9, and for the location information according to bright spot on backlight 7, control movement
Mechanism 11 drives light emission component 9 to be moved to target position along above-mentioned rail assembly, that is, corresponds to bright spot on backlight 7
Position, and the unlatching of light emission component 9 is controlled, and keep preset duration, to emit specified light.The preset duration can be 10-
20s, such as 10s, 12s, 13s, 16s, 18s, 20s etc..The control device 14 can be according to the location information of bright spot on backlight 7
With the corresponding relationship of the coordinate system pre-established, the location information of bright spot on backlight 7 is converted to the target of light emission component 9
Position coordinates, and mobile mechanism 11 is controlled according to the target location coordinate, light emission component 9 is driven to be moved to the target position.It should
Control device 14 may include processor etc..Disclosure embodiment can be by above-mentioned image processing modules 12 and control device
14 are integrated in a computer system.
As shown in figure 4, in order to which whether accurate judgement light emission component 9 is moved to the position corresponding to bright spot on backlight,
The backlight means for correcting of disclosure embodiment can also include position detecting device 15.The position detecting device 15 and control
Device 14 connects, and for detecting the position of light emission component 9, and is sent to control device 14.The control device 14 is used for basis
The location information of light emission component 9 judges whether light emission component 9 is moved to the position corresponding to bright spot on backlight 7, and
Light emission component 9 is moved to corresponding to when the position of bright spot, control light emission component 9 emits specified light on backlight 7.Pass through
The position detecting device 15, can accurately determine the position of light emission component 9.Wherein, which can be
Position sensor etc..In addition, the position detecting device 15 can connect in plummer 5, for example, the position detecting device 15 connects
In bracket 10.
Shown in as shown in Figure 1, Figure 3 and Figure 4, the backlight means for correcting of the disclosure in use places backlight 7
In on loading end 6, and make the light-emitting surface 3 of light guide plate 1 backwards to loading end 6；Pass through image collection assembly 8, image processing modules 12
Generate the location information of bright spot in image；Control device 14 determines bright spot on backlight 7 according to the location information of bright spot in image
Location information, and drive light emission component 9 to be moved to pair according to the location information control mobile mechanism 11 of bright spot on backlight 7
It should be in the position of bright spot on backlight 7；Meanwhile the location information of light emission component 9 is detected by position detecting device 15, concurrently
It send to control device 14；Control device 14 judges whether light emission component 9 is moved to pair according to the location information of light emission component 9
Should be in the position of bright spot on backlight 7, and when light emission component 9 is moved to corresponding to the position of bright spot on backlight 7, control
Mobile mechanism 11 stops driving light emission component 9, and controls the unlatching of light emission component 9, to emit specified light, and continues 16s.
Those skilled in the art will readily occur to other embodiments of the disclosure after considering specification and practice.This
Application is intended to cover any variations, uses, or adaptations of the disclosure, these variations, uses, or adaptations are abided by
Follow the general principle of the disclosure and including common knowledge or conventional techniques in the art.Description and embodiments
It is considered only as illustratively, the true scope and spirit of the disclosure are pointed out by the attached claims.
Claims (10)
1. a kind of backlight characterized by comprising
Light guide plate has light-emitting surface；
Light modulation film is arranged with the light-emitting surface face of the light guide plate, and the material of the light modulation film is photosensitive material.
2. backlight according to claim 1, which is characterized in that the material of the light modulation film includes silver halide.
3. backlight according to claim 1, which is characterized in that the light modulation film with a thickness of 90-110 μm.
4. backlight according to claim 1, which is characterized in that the backlight further include:
Prism assemblies are set between the light modulation film and the light guide plate.
5. a kind of display panel, which is characterized in that including the described in any item backlights of claim 1-4.
6. a kind of backlight means for correcting characterized by comprising
Plummer has the loading end for placing backlight, and the backlight includes light guide plate and light modulation film, the light guide plate
With light-emitting surface, the light-emitting surface face of the light modulation film and the light guide plate is arranged, and the material of the light modulation film is photosensitive material
Material；
Image collection assembly is arranged, for acquiring the image of the backlight towards the loading end；
Image processing modules are generated for judging with the presence or absence of bright spot in described image, and in described image there are when bright spot
The location information of bright spot in described image；
Light emission component is arranged with the loading end face, for specifying light towards the carrying surface launching；
Mobile mechanism, for driving the light emission component mobile；
Control device determines the location information of bright spot on the backlight for the location information according to bright spot in described image,
And the mobile mechanism is controlled according to the location information of bright spot on the backlight, the light emission component is driven to be moved to correspondence
It in the position of bright spot on the backlight, and controls the light emission component and opens, and continue preset duration, to emit specified light
Line.
7. backlight means for correcting according to claim 6, which is characterized in that the backlight means for correcting further include:
Position detecting device, for detecting the location information of the light emission component；
The control device is also used to judge whether the light emission component moves according to the location information of the light emission component
Extremely correspond to the position of bright spot on the backlight, and is moved in the light emission component corresponding to bright spot on the backlight
Position when, control the light emission component and open.
8. backlight means for correcting according to claim 6, which is characterized in that the material of the light modulation film includes halogenation
Silver, the light emission component can emit ultraviolet light.
9. backlight means for correcting according to claim 6, which is characterized in that the light emission component can issue vertically
In the specified light of the loading end.
10. backlight means for correcting according to claim 6, which is characterized in that the preset duration is 10-20s.
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| CN109597247B (en) | 2022-04-29 |
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