CN109613636A - Light diffusing sheet manufacturing method, light diffusing sheet and backlight module - Google Patents
Light diffusing sheet manufacturing method, light diffusing sheet and backlight module Download PDFInfo
- Publication number
- CN109613636A CN109613636A CN201811618745.9A CN201811618745A CN109613636A CN 109613636 A CN109613636 A CN 109613636A CN 201811618745 A CN201811618745 A CN 201811618745A CN 109613636 A CN109613636 A CN 109613636A
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- CN
- China
- Prior art keywords
- light
- diffusing sheet
- diffuser plate
- light diffusing
- diffusion particle
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- 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
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0268—Diffusing elements; Afocal elements characterized by the fabrication or manufacturing method
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
- G02B5/0242—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of dispersed particles
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/0263—Diffusing elements; Afocal elements characterised by the diffusing properties with positional variation of the diffusing properties, e.g. gradient or patterned diffuser
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0273—Diffusing elements; Afocal elements characterized by the use
- G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Planar Illumination Modules (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
The present invention discloses a kind of light diffusing sheet manufacturing method, light diffusing sheet and backlight module, light diffusing sheet manufacturing method includes injecting intermediate light diffusion particle agent at the middle part of production platform, and it is injected separately into edge-light diffusion particle agent in the two sides at the middle part, the light diffusion particle concentration in the intermediate light diffusion particle agent is greater than the light diffusion particle concentration in the edge-light diffusion particle agent；After the intermediate light diffusion particle agent in conjunction with the edge-light diffusion particle agent and after solidifying, light diffusing sheet is formed.Light diffusing sheet provided by the invention efficiently solves the case where by will appear quadrangle shadow when existing light diffusing sheet.
Description
Technical field
The present invention relates to backlight display field more particularly to a kind of light diffusing sheet manufacturing methods, light diffusing sheet and backlight mould
Group.
Background technique
In existing backlight display technology, subjective visual effect is always the emphasis of user's concern.And it is directed to visual effect problem, directly
The main problem of following formula display terminal is to always exist shadow in the four corners of straight-down negative display terminal, so as to cause in user
When using straight-down negative display terminal, the whole poor display effect of straight-down negative display terminal.And in the excellent of straight-down negative display terminal
During change, even the assembly by the curvature of backboard, the light emitting angle of lens or reflector plate optimizes, straight-down negative is shown
The quadrangle shadow problem of terminal still remains.
Therefore, it is necessary to which it is above-mentioned to solve to provide a kind of new light diffusing sheet manufacturing method, light diffusing sheet and backlight module
Technical problem.
Summary of the invention
The main object of the present invention is to provide a kind of light diffusing sheet manufacturing method, light diffusing sheet and backlight module, it is intended to solve
There is shadow in the quadrangle of backlight module certainly in the prior art.
To achieve the above object, a kind of light diffusing sheet manufacturing method proposed by the present invention includes: to infuse at the middle part of production platform
Enter intermediate light diffusion particle agent, and be injected separately into edge-light diffusion particle agent in the two sides at the middle part, the intermediate light expands
Light diffusion particle concentration in the sub- agent of shot is greater than the light diffusion particle concentration in the edge-light diffusion particle agent；
After the intermediate light diffusion particle agent in conjunction with the edge-light diffusion particle agent and after solidifying, light diffusion is formed
Plate.
Preferably, the intermediate light diffusion particle agent and the edge-light diffusion particle agent are silica, calcium carbonate, receive
One of nano-barium sulfate or acrylic resin type, cadmium selenide, indium phosphide are a variety of.
In addition, the light diffusing sheet is manufactured according to light diffusing sheet as described above the present invention also provides a kind of light diffusing sheet
Method is made.
Preferably, the light diffusing sheet is silica plate.
The present invention also provides a kind of light diffusing sheets, including sequentially connected left diffuser plate portion, middle diffuser plate portion and right expansion
Fall apart portion, and the light diffusion particle concentration in the left diffuser plate portion and right diffuser plate portion is greater than the light in the middle diffuser plate portion
Diffusion particle concentration.
Preferably, the light diffusing sheet contains left mixing unit and right mixing unit, the side and the left side of the left mixing unit
The connection of diffuser plate portion, the other side of the left mixing unit are connect with the middle diffuser plate portion, the side of the right mixing unit and institute
Right diffuser plate portion connection is stated, the other side of the right mixing unit is connect with the middle diffuser plate portion, the left mixing unit and institute
It states the light diffusion particle concentration that the light diffusion particle concentration in right mixing unit is greater than or equal in the left diffuser plate portion and is less than
Or equal to the light diffusion particle concentration in the middle diffuser plate portion.
Finally, the backlight module includes light diffusing sheet the present invention also provides a kind of backlight module, the light diffusing sheet packet
Include sequentially connected left diffuser plate portion, middle diffuser plate portion and right diffuser plate portion, the left diffuser plate portion and right diffuser plate portion
In light diffusion particle concentration be greater than the middle diffuser plate portion in light diffusion particle concentration.
Preferably, the backlight module further includes having the backboard for placing cavity, being set to the intracorporal multiple light of the chamber
Source, the light diffusing sheet lid close on the backboard to close the placement cavity.
Preferably, the backlight module further includes reflecting piece, and the reflecting piece is set on the backboard, the light diffusion
Plate is covered in the reflecting piece to close the placement cavity.
Preferably, the backlight module further include the lower diffuser plate being covered on the light diffusing sheet, be covered on it is described under
Upper diffuser plate on diffuser plate and the add lustre plate being covered on the upper diffuser plate.
In technical solution of the present invention, by injecting intermediate light diffusion particle agent at the middle part of production platform, while at middle part
Two sides be injected separately into edge-light diffusion particle agent, and the light diffusion particle concentration in intermediate light diffusion particle agent is greater than edge-light
Light diffusion particle concentration in diffusion particle agent, so that the uneven concentration of the light diffusion particle inside the light diffusing sheet,
So that increasing the brightness of the light projected from the quadrangle of the light diffusing sheet when light enters the light diffusing sheet.
Detailed description of the invention
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 technical 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
The structure shown according to these attached drawings obtains other attached drawings.
Schematic diagram when Fig. 1 is the light diffusing sheet production of the embodiment of the present invention；
Fig. 2 is the structure chart of the light diffusing sheet of the embodiment of the present invention；
Fig. 3 is the cross-sectional view of the backlight module of the embodiment of the present invention.
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 1 | First passage | 2 | Second channel |
| 3 | Injection probe | 4 | Intermediate light diffusion particle agent |
| 5 | Edge-light diffusion particle agent | 100 | Light diffusing sheet |
| 101 | Middle diffuser plate portion | 102 | Left diffuser plate portion |
| 103 | Right diffuser plate portion | 104 | Left mixing unit |
| 105 | Right mixing unit | 10 | Backboard |
| 11 | Place cavity | 20 | Light source |
| 30 | Reflecting piece | 40 | Lower diffuser plate |
| 50 | Upper diffuser plate | 60 | Add lustre plate |
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
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 description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and should not be understood as
Its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In the description of the present invention, " multiple " contain
Justice is at least two, such as two, three etc., unless otherwise specifically defined.
Also, the technical solution between each embodiment of the present invention can be combined with each other, but must be general with this field
Based on logical technical staff can be realized, it will be understood that when the combination of technical solution appearance is conflicting or cannot achieve this
The combination of technical solution is not present, also not the present invention claims protection scope within.
The present invention provides a kind of light diffusing sheet manufacturing method, light diffusing sheet and backlight module, it is intended to solve in the prior art
The quadrangle of backlight module there are problems that shadow.
It should be noted that the quadrangle of display screen has that shadow is very tight due in straight-down negative display terminal
Weight, and even the other factors such as the curvature of change backboard, the light emitting angle limitation of lens and assembly of reflector plate can not
Effectively solve the problems, such as that there are shadows for the quadrangle of existing straight-down negative display terminal.Therefore light diffusing sheet 100 proposed by the invention
For with into straight-down negative display terminal.Certainly, in the display terminal of other forms, can also there be above situation,
Therefore the light diffusing sheet 100 can also be used into the display terminal of other forms, herein with no restrictions.
Light diffusing sheet manufacturing method provided by the invention includes step 1: injecting intermediate light at the middle part of production platform and spreads grain
Sub- agent 4, and it is injected separately into edge-light diffusion particle agent 5 in the two sides at middle part, the light in intermediate light diffusion particle agent 4 spreads grain
Sub- concentration is greater than the light diffusion particle concentration in edge-light diffusion particle agent 5.
In this step, referring to FIG. 1, when making the light diffusing sheet 100, light diffusing sheet frame is placed on production platform
(not shown), meanwhile, edge-light diffusion particle agent 5 is injected in first passage 1, and middle edge light is injected in second channel 2
Diffusion particle agent 5 is injected in light diffusing sheet frame by injection probe 3 respectively.
Preferably, in injection light diffusion particle agent, injection probe 3 is provided with simultaneously in the four corners of light diffusing sheet frame
It is connected to first passage 1, edge-light diffusion particle agent 5 is injected since the four corners of the light diffusing sheet frame, together
When middle part be also provided with an injection probe 3 and be connected to second channel 2, enable intermediate light diffusion particle agent 4 from light expansion
The fall apart centre of frame starts to inject.
Also, the intermediate light diffusion particle agent 4 and edge-light diffusion particle agent 5 of injection are silica, calcium carbonate, nanometer
One of barium sulfate or acrylic resin type, cadmium selenide, indium phosphide are a variety of.And in preferred embodiment, intermediate light expands
The sub- agent 4 of shot and edge-light diffusion particle agent 5 are the silica of molten condition, and can slowly be spread in light in injection
It is flowed in plate framework.Certainly, the present invention is not limited thereto, and light diffusion particle agent 4 and edge-light diffusion particle agent 5 use it
His material appropriate is also possible.
Step 2: after intermediate light diffusion particle agent 4 is combined and solidified with edge-light diffusion particle agent 5, forming light diffusion
Plate.
In this step, the edge-light diffusion particle agent 5 positioned at the molten condition of two sides is mobile towards middle part, and is located at
The intermediate light diffusion particle agent 4 in portion can diffuse to surrounding and be contacted with the edge-light diffusion particle agent 5 for being located at two sides,
After contact, stop first passage 1 and edge-light diffusion particle in second channel 2 and and intermediate light diffusion particle agent 4
Conveying, after then standing one end time, the edge-light diffusion particle agent 5 and intermediate light diffusion particle agent 4 to molten condition are solidifying
After Gu, light diffusing sheet 100 is just formed.
The overall density of light diffusion particle in existing light diffusing sheet is equal, but due to being shown in straight-down negative
In terminal, the light that light and light source 20 from the transmitting of light source 20 to four corners (i.e. two sides) emit to middle part, which natively exists, to be pressed from both sides
Angle, and the degree of angle is larger, by amount of light it is fewer, therefore after by light diffusing sheet middle part emergent ray and two
The emergent ray of side still remains that biggish quantity is poor, and the quantity difference changes with the variation of lens light emitting angle, therefore
When user is when watching, meeting is because receive a small amount of emergent ray for being located at two sides, to will appear quadrangle in viewing
The case where shadow.
And since the light diffusion particle concentration in the intermediate light diffusion particle agent 4 of the light diffusing sheet 100 is greater than edge-light expansion
Light diffusion particle concentration in the sub- agent 5 of shot, so that the overall density of the light diffusing sheet 100 is uneven, especially two
In the case that the light diffusion particle concentration of side is less than the light diffusion particle concentration at middle part, so that passing through the light diffusing sheet in light
When 100 two sides, the quantity of the light projected from two sides can be changed, to reduce the outgoing at middle part after light diffusing sheet 100
The quantity of light and the emergent ray of two sides is poor, so that when user watches, the emergent ray of middle part and two sides
Similar numbers can be received, therefore the case where be not in quadrangle shadow, just fundamentally solve existing straight-down negative display eventually
There is the case where shadow in the quadrangle at end.
In addition, the present invention also provides a kind of light diffusing sheets 100, and the light diffusing sheet 100 is according to above-mentioned light diffusing sheet system
The method of making is made.Since the light diffusing sheet 100 uses whole technical solutions of above-mentioned all embodiments, at least have upper
All beneficial effects brought by the technical solution of embodiment are stated, this is no longer going to repeat them.
Wherein, which is preferably silica plate.Certainly, in other examples, the light diffusing sheet
100 can also be calcium carbonate plate, nano barium sulfate plate or acrylic resin template.
Further, the present invention also provides a kind of light diffusing sheets 100, referring to FIG. 2, the light diffusing sheet 100 includes successively
Left diffuser plate portion 102, middle diffuser plate portion 101 and the right diffuser plate portion 103 of connection, left diffuser plate portion 102 and right diffuser plate
Light diffusion particle concentration in portion 103 is greater than the light diffusion particle concentration in middle diffuser plate portion 101.
In this embodiment, since the light diffusion particle concentration in the intermediate light diffusion particle agent 4 of the light diffusing sheet 100 is big
Light diffusion particle concentration in edge-light diffusion particle agent 5, so that the overall density of the light diffusing sheet 100 is uneven,
Especially in the case where the light diffusion particle concentration of two sides is less than the light diffusion particle concentration at middle part, so that in light by being somebody's turn to do
When the two sides of light diffusing sheet 100, the quantity of the light projected from two sides can be changed, to reduce in after light diffusing sheet 100
The quantity of the emergent ray of the emergent ray and two sides in portion is poor, so that when user watches, middle part and two sides
Emergent ray can receive Similar numbers, therefore the case where be not in quadrangle shadow, just fundamentally solve it is existing it is straight under
There is the case where shadow in the quadrangle of formula display terminal.
Further, light diffusing sheet 100 contain left mixing unit 104 and right mixing unit 105, the side of left mixing unit 104 with
Left diffuser plate portion 102 connects, and the other side of left mixing unit 104 is connect with middle diffuser plate portion 101, the side of right mixing unit 105 and
Right diffuser plate portion 103 connects, and the other side of right mixing unit 105 is connect with middle diffuser plate portion 101, and left mixing unit 104 and the right side are mixed
Light diffusion particle concentration in conjunction portion 105 more than or equal to the light diffusion particle concentration in left diffuser plate portion 102 and is less than or waits
Light diffusion particle concentration in middle diffuser plate portion 101.Wherein, due to being not required to again by it when making the light diffusing sheet 100
He forms equipment, to relax the assembly precision of the light diffusing sheet 100, improves fault tolerance when structure design.
In addition, the present invention also provides a kind of backlight modules, referring to FIG. 3, the backlight module includes light diffusing sheet 100, light
Diffuser plate 100 includes sequentially connected left diffuser plate portion 102, middle diffuser plate portion 101 and right diffuser plate portion 103, left diffuser plate
Light diffusion particle concentration in portion 102 and right diffuser plate portion 103 is greater than the light diffusion particle concentration in middle diffuser plate portion 101.
Since the backlight module includes above-mentioned preferably light diffusing sheet 100, so that the backlight module is shown being applied to straight-down negative
When in terminal, the case where which is not in quadrangle shadow, thus when greatly improving the display of the backlight module
Effect.
Preferably, backlight module further includes having the backboard 10 for placing cavity 11, being set to the intracorporal multiple light sources 20 of chamber,
Cavity 11 is placed with closing on 100 Gai Heyu backboard 10 of light diffusing sheet.In this embodiment, by covering the light diffusing sheet 100
It together on backboard 10, is placed in cavity 11 so that light source 20 is closed in, so that the light that light source 20 issues is merely able to through this
Light diffusing sheet 100 diffuses to the external world.
Further, backlight module further includes reflecting piece 30, and reflecting piece 30 is set on backboard 10, and light diffusing sheet 100 covers
Cavity 11 is placed with closing together in reflecting piece 30.It is closed since reflecting piece 30 being arranged on backboard 10 and covers light diffusing sheet 100
In in reflecting piece 30, to further make the light issued from light source 20 when being mapped in reflecting piece 30, can place
It is reflected in cavity 11, so that last 100 can only still be diffused at light diffusing sheet, strengthens the benefit of light source 20
With rate.
Wherein, backlight module further includes the lower diffuser plate 40 being covered on light diffusing sheet 100, is covered on lower diffuser plate 40
Upper diffuser plate 50 and the add lustre plate 60 that is covered on diffuser plate 50.And due to setting gradually lower diffusion on light diffusing sheet
Plate 40, upper diffuser plate 50 and add lustre plate 60, to increase brightness and the diffusion model of the light issued from light diffusing sheet 100
It encloses.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the design of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/it is used in it indirectly
He is included in scope of patent protection of the invention relevant technical field.
Claims (10)
1. a kind of light diffusing sheet manufacturing method, which is characterized in that the light diffusing sheet manufacturing method includes:
Intermediate light diffusion particle agent is injected at the middle part of production platform, and is injected separately into edge-light diffusion in the two sides at the middle part
Particle agent, the light diffusion particle concentration in the intermediate light diffusion particle agent are greater than the light in the edge-light diffusion particle agent and expand
Dissipate particle concentration；
After the intermediate light diffusion particle agent in conjunction with the edge-light diffusion particle agent and after solidifying, light diffusing sheet is formed.
2. light diffusing sheet manufacturing method as described in claim 1, which is characterized in that the intermediate light diffusion particle agent and described
Edge-light diffusion particle agent is silica, calcium carbonate, nano barium sulfate or acrylic resin type, in cadmium selenide, indium phosphide
It is one or more.
3. a kind of light diffusing sheet, which is characterized in that light described in any one of -2 is spread the light diffusing sheet according to claim 1
Board fabrication method is made.
4. light diffusing sheet as claimed in claim 3, which is characterized in that the light diffusing sheet is silica plate.
5. a kind of light diffusing sheet, including sequentially connected left diffuser plate portion, middle diffuser plate portion and right diffuser plate portion, the left expansion
The light diffusion particle concentration to fall apart in portion and right diffuser plate portion is greater than the light diffusion particle concentration in the middle diffuser plate portion.
6. light diffusing sheet as claimed in claim 5, which is characterized in that the light diffusing sheet contains left mixing unit and right mixing
Portion, the side of the left mixing unit are connect with the left diffuser plate portion, the other side of the left mixing unit and the middle diffuser plate
Portion's connection, the side of the right mixing unit are connect with the right diffuser plate portion, the other side of the right mixing unit and the middle expansion
It falls apart portion's connection, the light diffusion particle concentration in the left mixing unit and the right mixing unit is greater than or equal to the left diffusion
Light diffusion particle concentration in plate portion and the light diffusion particle concentration being less than or equal in the middle diffuser plate portion.
7. a kind of backlight module, which is characterized in that the backlight module includes light diffusing sheet, and the light diffusing sheet includes successively connecting
Left diffuser plate portion, middle diffuser plate portion and the right diffuser plate portion connect, the light in the left diffuser plate portion and right diffuser plate portion expand
Dissipate the light diffusion particle concentration that particle concentration is greater than in the middle diffuser plate portion.
8. backlight module as claimed in claim 7, which is characterized in that the backlight module further includes with the back for placing cavity
Plate is set to the intracorporal multiple light sources of the chamber, the light diffusing sheet lid close on the backboard to close the placement cavity.
9. backlight module as claimed in claim 8, which is characterized in that the backlight module further includes reflecting piece, the reflecting piece
It is set on the backboard, the light diffusing sheet is covered in the reflecting piece to close the placement cavity.
10. backlight module as claimed in claim 8, which is characterized in that the backlight module further includes being covered on the light to expand
Lower diffuser plate on falling apart, the upper diffuser plate being covered on the lower diffuser plate and it is covered on adding lustre on the upper diffuser plate
Plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811618745.9A CN109613636A (en) | 2018-12-28 | 2018-12-28 | Light diffusing sheet manufacturing method, light diffusing sheet and backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811618745.9A CN109613636A (en) | 2018-12-28 | 2018-12-28 | Light diffusing sheet manufacturing method, light diffusing sheet and backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109613636A true CN109613636A (en) | 2019-04-12 |
Family
ID=66011099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811618745.9A Pending CN109613636A (en) | 2018-12-28 | 2018-12-28 | Light diffusing sheet manufacturing method, light diffusing sheet and backlight module |
Country Status (1)
| Country | Link |
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| CN (1) | CN109613636A (en) |
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|---|---|---|---|---|
| US6297908B1 (en) * | 1998-06-05 | 2001-10-02 | Dai Nippon Printing Co., Ltd. | Directional light-diffusing film, a method of manufacturing same, and a display device that uses same |
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| CN105034283A (en) * | 2015-09-17 | 2015-11-11 | 京东方科技集团股份有限公司 | Mold, light guiding plate, manufacturing method and device for mold and light guiding plate and display module |
| CN205139528U (en) * | 2015-11-17 | 2016-04-06 | Tcl海外电子（惠州）有限公司 | Backlight unit and television |
| CN106226949A (en) * | 2016-07-28 | 2016-12-14 | 京东方科技集团股份有限公司 | Diffuser plate and manufacture method, backlight module, display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6297908B1 (en) * | 1998-06-05 | 2001-10-02 | Dai Nippon Printing Co., Ltd. | Directional light-diffusing film, a method of manufacturing same, and a display device that uses same |
| TW200705031A (en) * | 2005-07-19 | 2007-02-01 | Injextech Inc | Design of side gate of diffuser injection mold for backlight module |
| CN1912706A (en) * | 2005-08-12 | 2007-02-14 | 统程科技股份有限公司 | Six-feeding mouth design of diffusion plate ejection forming hot-runner material mouth of backlight mould set |
| JP2007264343A (en) * | 2006-03-29 | 2007-10-11 | Oji Paper Co Ltd | Light diffusion body, manufacturing method of light diffusion body, surface light emitting device, display device, and illumination device |
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| CN106226949A (en) * | 2016-07-28 | 2016-12-14 | 京东方科技集团股份有限公司 | Diffuser plate and manufacture method, backlight module, display device |
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Application publication date: 20190412 |
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| RJ01 | Rejection of invention patent application after publication |