CN108802889A - Light guide plate, backlight module and display - Google Patents
Light guide plate, backlight module and display Download PDFInfo
- Publication number
- CN108802889A CN108802889A CN201810295956.7A CN201810295956A CN108802889A CN 108802889 A CN108802889 A CN 108802889A CN 201810295956 A CN201810295956 A CN 201810295956A CN 108802889 A CN108802889 A CN 108802889A
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- CN
- China
- Prior art keywords
- light guide
- plate
- light
- ink
- incidence surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
- G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface of the light guide
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
- F21V2200/20—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of a generally planar shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Planar Illumination Modules (AREA)
Abstract
The present invention provides a kind of backlight module, including backboard, backlight, light guide plate, the backboard includes bottom plate and the side plate that is connect with the bottom plate, the bottom plate forms an accommodating space with the side plate, the light guide plate includes incidence surface and the dot surface that is connect with the incidence surface, the backlight is placed in the light guide plate in the accommodating space, the backlight is placed on the side plate and towards the incidence surface, the dot surface of the light guide plate is equipped with light guide ink site, the light guide ink site is towards the bottom plate, the material of the light guide ink site includes blue oil ink.The present invention solves the problems, such as aberration in the face of backlight module.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of light guide plate, backlight module and display.
Background technology
With the growth requirement that backlight module is thinned, backlight module is mainly based on side entering type.And the backlight of side entering type
Most of module sends out blue light by light emitting diode and excites yellow fluorescent powder, to send out white light, therefore blue light wave in its frequency spectrum
Long light intensity is bigger.Blue light wavelength is shorter, and light is during light guide plate is propagated, with the increasing of the numbers such as refraction, scattering
More, the energy of blue wave band is susceptible to loss, therefore, when light is reached from incidence surface region farther out, the ratio of blue light
It decreases, and then coloration of the light from incidence surface immediate area is different compared with the coloration of far region from incidence surface from light, generates
Aberration is mainly shown as partially yellow compared with the perception of far region from incidence surface.
Invention content
The purpose of the present invention is to provide a kind of light guide plate, backlight module and displays, in the face to solve backlight module
Aberration problem.
The present invention provides a kind of light guide plate, including incidence surface and the dot surface that is connect with the incidence surface, the site
Face is equipped with light guide ink site, and the material of the light guide ink site includes blue oil ink.
Wherein, the ingredient of the blue oil ink includes phthalocyanine blue and resin.
Wherein, ratio of the blue oil ink in the light guide ink site is 0.5%-5%.
Wherein, the dot surface contacted with the light guide ink site is rough surface.
Wherein, the light guide plate further includes the distance light face opposite with the incidence surface, and the dot surface enters light described in
Between face and the distance light face, from the incidence surface on the direction in the distance light face, the density of the light guide ink site by
It is cumulative big.
Wherein, from the incidence surface on the direction in the distance light face, between adjacent two light guide ink sites
Centre-to-centre spacing remain unchanged, projected area of the light guide ink site on the dot surface gradually increases.
Wherein, from the incidence surface on the direction in the distance light face, between adjacent two light guide ink sites
Centre-to-centre spacing be gradually reduced, projected area of the light guide ink site on the dot surface remains unchanged.
The present invention provides a kind of backlight module, including above-mentioned light guide plate, backboard and backlight, the backboard include bottom
Plate and the side plate being connect with the bottom plate, the bottom plate and the side plate form an accommodating space, the backlight with it is described
Light guide plate is placed in the accommodating space, and the backlight is placed on the side plate and towards the incidence surface, described guide-lighting oily
Black site is towards the bottom plate.
Wherein, the backlight includes circuit board and electrical connection and the light emitting diode that is installed on the circuit board；
The backlight module further includes the glue frame of aluminium extruded and the bonding side plate, the aluminium extruded include the first radiator with
And the second radiator being connect with first radiator, first radiator be placed in the side plate and the circuit board it
Between, second radiator is fixed on the bottom plate；The glue frame includes glue-line and blob of viscose, and the glue-line is placed in described
Between one radiator and the side plate, the first reflector plate towards the light emitting diode is bonded on the blob of viscose；
The backlight module further includes the second reflector plate and optical diaphragm group, and the bottom plate includes the first tablet, second
The arc plate of tablet and connection first tablet and second tablet, it is flat that second radiator is fixed on described first
On plate, second reflector plate is supported in second tablet on second radiator, and the optical diaphragm group is laminated in
On the light guide plate.
The present invention provides a kind of display, including above-mentioned backlight module.
In conclusion the light guide ink site of the present invention includes blue oil ink, solves light and passed in the light guide plate
Sowing time, light ray energy is lost caused by refraction occurs for light, the number of scattering increases, caused by it is separate enter light
There is jaundice problem in the region in face, that is, solves the problems, such as aberration in the face of backlight module.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, 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
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of light guide plate provided in an embodiment of the present invention.
Fig. 2 is the structural schematic diagram of backlight module provided in an embodiment of the present invention.
Fig. 3 is influence of the blue oil ink provided in an embodiment of the present invention to backlight module aberration.
Fig. 4 is the perspective structure schematic diagram of dot surface in Fig. 1.
Fig. 5 is the perspective structure schematic diagram of another state of dot surface in Fig. 1.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments 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 creative efforts
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of light guide plate 30, including incidence surface 301 and it is connect with the incidence surface 301
Dot surface 302, the dot surface 302 is equipped with light guide ink site 303, and the material of the light guide ink site 303 includes
Blue oil ink.Light guide ink in the light guide ink site 303 is formed by printing.The ingredient of the blue oil ink includes phthalocyanine blue
With resin.The wavelength band of the blue oil ink is 430-480nm.The blue oil ink in light guide ink of the present invention solves
When light is propagated in the light guide plate 30, light ray energy is sent out caused by refraction occurs for the light, the number of scattering increases
Raw loss, caused by the technical issues of the region far from the incidence surface 301 is turned to be yellow.The light guide ink site
303 are printed on the dot surface 302 and are dried by light guide ink and formed.The light guide ink includes initial light guide ink and indigo plant
Ink.The light guide ink is mixed and stirred for uniformly being formed by the initial light guide ink and the blue oil ink.In the present invention
In, when the light guide plate 30 is applied in backlight module, the blue oil ink can solve aberration in the face of the backlight module and ask
Topic.
Referring to Fig. 2, the present invention provides a kind of backlight module, including backboard 10, backlight 20, light guide plate 30, the back of the body
Plate 10 includes bottom plate 101 and the side plate 102 being connect with the bottom plate 101, and the bottom plate 101 forms one with the side plate 102
Accommodating space 40, the light guide plate 30 include incidence surface 301 and the dot surface 302 being connect with the incidence surface 301, the back of the body
Light source 20 is placed in the light guide plate 30 in the accommodating space 40, and the backlight 20 is placed on the side plate 102 and direction
The dot surface 302 of the incidence surface 301, the light guide plate 30 is equipped with light guide ink site 303, the light guide ink net
For point 303 towards the bottom plate 101, the material of the light guide ink site includes blue oil ink.In light guide ink of the present invention
The blue oil ink solves light when being propagated in the light guide plate 30, because refraction occurs for the light, the number of scattering increases
Caused light ray energy is lost, caused by the technical issues of the region far from the incidence surface 301 is turned to be yellow,
Solves the problems, such as aberration in the face of the backlight module.
Ratio of the blue oil ink in the light guide ink is 0.5%-5%.Specifically, the ingredient master of the blue oil ink
To be phthalocyanine blue and resin, mass ratio in the blue oil ink of the phthalocyanine blue and resin and be 10%-20%, when
When the blue oil ink of 0.5%-5% is added in the initial light guide ink, the phthalocyanine blue is with resin in the light guide ink
In mass ratio and be 0.05%-1%.
Referring to Fig. 3, according to the result of repetition test it is found that when not adding the blue oil ink, in the backlight module
From 301 immediate area of the incidence surface with compared with far region aberration be in a first direction 0.004 from the incidence surface 301, the
The aberration in two directions is 0.0084；When adding the 0.5% blue oil ink, from the incidence surface 301 in the backlight module
Immediate area with from the incidence surface 301 compared with far region the first direction aberration be 0.004, in the second direction
Aberration is 0.0075, reduces 10%.When adding the 2% blue oil ink, from the incidence surface 301 in the backlight module
Immediate area with from the incidence surface 301 compared with far region the first direction aberration be 0.0023,43% is reduced, in institute
The aberration for stating second direction is 0.0041, reduces 51%；And when the content of blue oil ink increases to 5%, the backlight
It is with the aberration from the incidence surface 301 compared with far region in the first direction from 301 immediate area of the incidence surface in module
0.0003, reduce 93%；It is 0.0011 in the aberration of the second direction, reduces 87%.Therefore matter in the light guide ink
Aberration is advantageous in the face of amount ratio and phthalocyanine blue for 0.05%-1% and resin to improving the backlight module.△ x are described
First direction, and the first direction is the direction parallel with the long side of the light guide plate 30, △ y are the second direction, institute
It is the direction vertical with the first direction to state second direction.
Content of the blue oil ink in the light guide ink cannot be too high, can not be too low.If the blue oil ink contains
Amount is too high, and such as more than 5%, the brightness of the backlight module will at least reduce by 6%, and the blue oil ink can influence the backlight module
Brightness；If the content of the blue oil ink is too low, such as it is less than 0.5%, then the blue oil ink role, which can not reach, changes
It is apt to the technique effect of aberration in the face of the backlight module.Therefore the blue oil ink of the 0.5%-5% contents of the present invention both can be with
Meet the brightness requirement of the backlight module, while aberration problem in the face of the light guide plate 30 can be improved.Due to 0.5%-5%
Blue oil ink it is smaller in the ratio of the light guide ink, the characteristic of initial light guide ink can't be influenced, and volume need not be increased
Outer production equipment and cost, does not influence original production efficiency.Light guide plate of the light guide ink of the present invention to various materials
It is applicable in the light guide plate of various thickness.
In the present invention, the dot surface 302 contacted with the light guide ink site 303 is rough surface.Specifically, institute
The part surface corresponding with the light guide ink site 303 for stating dot surface 302 is rough surface, in the light guide ink site
303 when being printed on the dot surface 302, and the part rough surface of the dot surface 302 realizes can be by the light guide ink
Site 303 is more firmly printed on the dot surface 302, and then it is easy after the drying to solve the light guide ink site 303
The technical issues of falling off.
The light guide plate 30 further includes the distance light face 304 opposite with the incidence surface 301, and the dot surface 302 is located at institute
It states between incidence surface 301 and the distance light face 304, it is described to lead from the incidence surface 301 on the direction in the distance light face 304
The density of light ink site 303 gradually increases.In the present invention, the density of the light guide ink site 303 is the guide-lighting oil
The area of black site 303 percentage shared on the dot surface 302 of unit area.
Referring to Fig. 4, on the one hand, from the incidence surface 301 on the direction in the distance light face 304, adjacent two institutes
The centre-to-centre spacing stated between light guide ink site 303 remains unchanged, and the light guide ink site 303 is on the dot surface 302
Projected area gradually increases.Specifically, since the density of the light guide ink site 303 is from the incidence surface 301 to far from institute
It states and gradually increases on the direction of incidence surface 301, then projected area of the light guide ink site 303 on the dot surface 302
Gradually increase on the direction far from the incidence surface 301 from the incidence surface 301.I.e. in the position of the incidence surface 301, institute
It is smaller to state projected area of the light guide ink site 303 on the dot surface 302, that is to say, that in the position of the backlight 20
It sets, the number of the light refraction and scattering is less, even if the light guide ink site 303 is smaller on the dot surface 302
The projected area light that still may be implemented to be emitted from the light guide plate 30 it is stronger；Along far from the incidence surface 301
Direction on, projected area of the light guide ink site 303 on the dot surface 302 increases, that is to say, that far from institute
State the position of backlight 20, the number of the light refraction and scattering is more, the remitted its fury of light, but the light guide ink
The light being emitted from the light guide plate 30 may be implemented in the projected area larger on the dot surface 302 of site 303
Still relatively strong.Therefore the centre-to-centre spacing between the adjacent light guide ink site 303 remains unchanged, the light guide ink site 303
Projected area on the dot surface 302 gradually increases from the incidence surface 301 on the direction far from the incidence surface 301
The uniformity for improving 30 emergent ray of the light guide plate further solves aberration problem in the face of the backlight module.?
In the present embodiment, the site 303 is the convex site of arc.
Referring to Fig. 5, on the other hand, from the incidence surface 301 on the direction in the distance light face 304, adjacent two
Centre-to-centre spacing between the light guide ink site 303 is gradually reduced, and the light guide ink site 303 is on the dot surface 302
Projected area remain unchanged.Specifically, since the density of the light guide ink site 303 is from the incidence surface 301 to separate
Gradually increase on the direction of the incidence surface 301, projected area of the light guide ink site 303 on the dot surface 302
It remains unchanged, then the centre-to-centre spacing between the adjacent light guide ink site 303 is gradually reduced.I.e. in the incidence surface 301
Position, the distance between described light guide ink site 303 are larger, that is to say, that in the position of the incidence surface 301, the light
Line refraction and the number of scattering are less, still may be implemented from described even if the distance between described light guide ink site 303 is larger
The light being emitted in light guide plate 30 is stronger；On direction along the separate incidence surface 301, the light guide ink site
The distance between 303 reduce, that is to say, that in the position far from the incidence surface 301, the number of the light refraction and scattering
It is more, the remitted its fury of light, but distance smaller between the light guide ink site 303 may be implemented from the light guide plate
The light being emitted in 30 is still relatively strong.Therefore the centre-to-centre spacing between the adjacent light guide ink site 303 is gradually reduced, institute
It states projected area of the light guide ink site 303 on the dot surface 302 and remains unchanged and improve 30 emergent light of the light guide plate
The uniformity of line further solves aberration problem in the face of the backlight module.In the present embodiment, the light guide ink net
Point 303 is the convex site of arc.
Please continue to refer to Fig. 2, the backlight 20 includes circuit board 201 and is electrically connected and is installed on the circuit board
Light emitting diode 202 on 201.Specifically, the white light sent out due to the light emitting diode 202 mainly shines two by described
The blue light excitation yellow fluorescent powder that pole pipe 202 is sent out is formed, therefore blue light is stronger in the frequency spectrum of the light emitting diode 202, institute
It states blue light and enters the light guide plate 30, and the light guide ink site being irradiated on the dot surface 302 from the incidence surface 301
303, since the excitation frequency spectrum of blue oil ink is mainly distributed on blue wave band, the blue oil ink in the light guide ink makes up
The blue light reaches generated jaundice problem when region of the light guide plate 30 far from the incidence surface 301, that is, compensates for
Aberration in the face of the backlight module, so as to improve aberration problem in the face of the backlight module.
The backlight module further includes aluminium extruded 50, and the aluminium extruded 50 includes the first radiator 501 and dissipated with described first
The second radiator 502 that hot body 501 connects, first radiator 501 be placed in the side plate 102 and the circuit board 201 it
Between, second radiator 502 is fixed on the bottom plate 101.In the present embodiment, first radiator 501 with it is described
Second radiator, 502 vertical connection.First radiator 501 is bonded with the stacking of the circuit board 201, in the circuit board
201 provide for the light emitting diode 202 during electric energy shines, and the circuit board 201 and the light emitting diode 202 are sent out
Heat, first radiator 501 is used for second radiator 502 by the heat derives of the circuit board 201, and then makes institute
Stating circuit board 201 and the temperature of the light emitting diode 202 reduces, and then improves the circuit board 201 and described luminous two
The service life of pole pipe 202.
The backlight module further includes the glue frame 60 for bonding the side plate 102, and the glue frame 60 includes glue-line 601 and blob of viscose
602, the glue-line 601 is placed between first radiator 501 and the side plate 102, and direction is bonded on the blob of viscose 602
First reflector plate 70 of the light emitting diode 202.Specifically, the glue-line 601 stretch into first radiator 501 with it is described
In the first gap between side plate 102, and then first radiator 501 is bonded on the side plate 102.Described luminous two
There is the second gap, first reflector plate 70 is towards second gap, in turn between pole pipe 202 and the incidence surface 301
When the light is irradiated to first reflector plate 70, the light is reflected back the light guide plate by first reflector plate 70
30, improve the utilization rate of the light.
The backlight module further includes the second reflector plate 80 being placed between the light guide plate 30 and the bottom plate 101, institute
It includes the first tablet 103, the second tablet 104 and connection first tablet 103 and second tablet 104 to state bottom plate 101
Arc plate 105, second radiator 502 is fixed on first tablet 103, and second reflector plate 80 is supported in institute
It states on the second tablet 105 and second radiator 502.Specifically, the backlight module further includes bolt 100, described second
There is radiator 502 first through hole, first tablet to have the second through-hole as the pore size of the first through hole,
The bolt 100 passes through the first through hole and second through-hole by second radiator 502 and first tablet 103
It is fixed.Second radiator 502 includes an inclined surface 503, and the inclined surface 503 is so that second radiator 502
There is different height in the vertical direction.Due to the radian of the arc plate 105 so that first tablet 103 with it is described
Second tablet 104 has different height in the vertical direction, and then is placed in first tablet in second radiator 502
When on 103, the inclined surface 503 can form a support for supporting second reflector plate 80 with second tablet 104
Region, second reflector plate 80 are supported on the supporting zone.It is anti-that second reflector plate 80 is emitted onto described second
The light for penetrating piece 80 is reflected back the light guide plate 30, improves the utilization rate of the light.
The backlight module further includes optical diaphragm group 90, and the optical diaphragm group 90 is laminated on the light guide plate 30.
In the present embodiment, the optical diaphragm group 90 includes the prismatic lens 901 being stacked and diffusion sheet 902, the prismatic lens 901
Intensity for enhancing the light across the light guide plate 30, and then improve the brightness of the backlight module；The diffusion sheet 902
Light for diffusing through the prismatic lens 901, and then make to be emitted to extraneous uniform light.Therefore the optical diaphragm group 90
Light for enhancing the lamp source, and the uniform light for making the lamp source.In this application, as long as can reach the light
Diaphragm group 90 is added lustre to and the purpose of uniform light, the ingredient of the optical diaphragm group 90 do not limit.
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and is wanted according to right of the present invention
Equivalent variations made by asking, still belong to the scope covered by the invention.
Claims (10)
1. a kind of light guide plate, which is characterized in that the dot surface being connect including incidence surface and with the incidence surface, the dot surface
It is equipped with light guide ink site, the material of the light guide ink site includes blue oil ink.
2. light guide plate according to claim 1, which is characterized in that the ingredient of the blue oil ink includes phthalocyanine blue and resin.
3. light guide plate according to claim 1, which is characterized in that ratio of the blue oil ink in the light guide ink site
Example is 0.5%-5%.
4. light guide plate according to claim 1, which is characterized in that the dot surface contacted with the light guide ink site
For rough surface.
5. light guide plate according to claim 1, which is characterized in that the light guide plate further includes opposite with the incidence surface
Distance light face, the dot surface is between the incidence surface and the distance light face, from the incidence surface to the side in the distance light face
Upwards, the density of the light guide ink site gradually increases.
6. light guide plate according to claim 5, which is characterized in that from the incidence surface on the direction in the distance light face,
Centre-to-centre spacing between two adjacent light guide ink sites remains unchanged, and the light guide ink site is on the dot surface
Projected area gradually increase.
7. light guide plate according to claim 5, which is characterized in that from the incidence surface on the direction in the distance light face,
Centre-to-centre spacing between two adjacent light guide ink sites is gradually reduced, and the light guide ink site is on the dot surface
Projected area remain unchanged.
8. a kind of backlight module, which is characterized in that including such as claim 1-7 any one of them light guide plate, backboard and the back of the body
Light source, the backboard include bottom plate and the side plate that is connect with the bottom plate, and the bottom plate forms an accommodating sky with the side plate
Between, the backlight and the light guide plate are placed in the accommodating space, and the backlight is placed on the side plate and towards institute
State incidence surface, the light guide ink site is towards the bottom plate.
9. backlight module according to claim 8, which is characterized in that the backlight includes circuit board and is electrically connected simultaneously
The light emitting diode being installed on the circuit board；
The backlight module further includes the glue frame of aluminium extruded and the bonding side plate, the aluminium extruded include the first radiator and with
Second radiator of the first radiator connection, first radiator are placed between the side plate and the circuit board, institute
The second radiator is stated to be fixed on the bottom plate；The glue frame includes glue-line and blob of viscose, and the glue-line is placed in described first and dissipates
Between hot body and the side plate, the first reflector plate towards the light emitting diode is bonded on the blob of viscose；
The backlight module further includes the second reflector plate and optical diaphragm group, and the bottom plate includes the first tablet, the second tablet
And the arc plate of connection first tablet and second tablet, second radiator are fixed on first tablet
On, second reflector plate is supported in second tablet on second radiator, and the optical diaphragm group is laminated in institute
It states on light guide plate.
10. a kind of display, which is characterized in that including backlight module as claimed in claim 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810295956.7A CN108802889A (en) | 2018-04-04 | 2018-04-04 | Light guide plate, backlight module and display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810295956.7A CN108802889A (en) | 2018-04-04 | 2018-04-04 | Light guide plate, backlight module and display |
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| Publication Number | Publication Date |
|---|---|
| CN108802889A true CN108802889A (en) | 2018-11-13 |
Family
ID=64095580
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810295956.7A Pending CN108802889A (en) | 2018-04-04 | 2018-04-04 | Light guide plate, backlight module and display |
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| Country | Link |
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| CN (1) | CN108802889A (en) |
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| CN109725464A (en) * | 2019-03-15 | 2019-05-07 | 四川长虹电器股份有限公司 | Straight downside enters the liquid crystal module group backlight display device of combination |
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|---|---|---|---|---|
| CN109725464A (en) * | 2019-03-15 | 2019-05-07 | 四川长虹电器股份有限公司 | Straight downside enters the liquid crystal module group backlight display device of combination |
| CN109725464B (en) * | 2019-03-15 | 2020-12-29 | 四川长虹电器股份有限公司 | Straight-lower side-in combined liquid crystal module backlight display device |
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Application publication date: 20181113 |
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