CN209248068U - It is a kind of with anti-top contour painting can light guide plate and make the mode of this light guide plate - Google Patents
It is a kind of with anti-top contour painting can light guide plate and make the mode of this light guide plate Download PDFInfo
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- CN209248068U CN209248068U CN201821953986.4U CN201821953986U CN209248068U CN 209248068 U CN209248068 U CN 209248068U CN 201821953986 U CN201821953986 U CN 201821953986U CN 209248068 U CN209248068 U CN 209248068U
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- guide plate
- light guide
- light
- microns
- annular projection
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Abstract
The utility model discloses a kind of with the anti-light guide plate for pushing up contour painting energy and the mode for making this light guide plate, the light guide plate includes light conducting plate body, its top surface is light-emitting surface, bottom corresponding with top surface is dot surface, with a plurality of light directing site bulge-structures, it is characterized by: the light directing site bulge-structure is formed in the light conducting plate body bottom by hot padding processing technology, the site height of projection of the light directing site bulge-structure is greater than 2.5 microns.The utility model aim is to provide a kind of with the anti-light guide plate for pushing up contour painting energy and the mode for making this light guide plate, when user's touching uses the liquid crystal display of this light guide plate, if there is white point at touching, when user unclamps this liquid crystal display, white point can disappear at once, will not influence user experience and using effect.
Description
Technical field
The utility model relates to light guide plate technical field, in particular to a kind of light guide plate and production with anti-top contour painting energy
The mode of this light guide plate.
Background technique
Backlight module is one of the key part and component of panel of LCD, wherein light guide plate is the important of backlight module
Component part is will have high reflectivity and the hitech materials of extinction are not by UV screen printing technology, in optical grade
It stamps light guiding points on the bottom surface of acryl plates and is made, there is volatile materials to be discharged into environment during processing procedure, to environment
It impacts.Currently, also being required the thickness of light guide plate more and more frivolous with the development that backlight module is thinned；It is right simultaneously
Energy-saving and environment-friendly requirement, traditional guide-lighting board production technology are no longer satisfied the market demand.
But thin light guide panel also brings new technical problem, when press...with one's finger lower liquid crystal display when, the place pressed
It will appear white point, and after unclamping finger, white point needs for a long time can just disappear, and seriously affect user experience and using effect.
Summary of the invention
The utility model aim be to provide it is a kind of with anti-top contour painting can light guide plate and make the mode of this light guide plate, when
When user's touching uses the liquid crystal display of this light guide plate, there is white point at touching, and when user unclamps this liquid crystal display,
White point disappears, and will not influence user experience and using effect.
The technical solution of the utility model are as follows: a kind of light guide plate with anti-top contour painting energy, including light conducting plate body, top
Face is light-emitting surface, and bottom corresponding with top surface has a plurality of light directing site bulge-structures, the light directing site bulge-structure
It is formed in the light conducting plate body bottom by hot padding processing technology, the height of projection of the light directing site bulge-structure is greater than
2.5 micron.
Preferably, the site diameter of the site bulge-structure is 20-60 microns.
It is a kind of for making the light guiding board mould core of the light guide plate of above-mentioned technical proposal, including mode ontology, the mode sheet
The surface of body is provided with a plurality of lattice point structures, the single lattice point structure by periphery annular projection, and it is intermediate hemispherical
Recess is constituted, and the volume ratio of the annular projection and hemispherical recess is in 0.6~0.9 range.
Preferably, the diameter of the single lattice point structure is 30~80 microns, the height 8 of the lattice point structure annular projection
~16 microns, the ring width of lattice point structure annular projection is 8~14 microns.
The advantages of the utility model:
1, when user's touching uses the liquid crystal display of the utility model light guide plate, though occurring white point at touching, work as
When user unclamps this liquid crystal display, white point can disappear at once, will not influence user experience and using effect.Generally pass through hot pressing
The site height of projection for printing the light guide plate being process is 1.5~2 microns, when user presses liquid crystal display, backlight module
Light guide plate contacted with reflectance coating, since the distance between light guide plate and reflectance coating are shorter (distance be site height of projection), lead
Attraction is bigger between tabula rasa and reflectance coating, when user unclamps liquid crystal display, due to the presence of attraction, light guide plate
Screen resilience is relatively small, can just separate by a very long time light guide plate with reflectance coating, will see on a display screen in this way
White point at touching can just disappear for a long time.And pass through test of many times, increasing site height is larger than 2.5 microns, i.e.,
When being greater than 2.5 microns at a distance from after the contact of light guide plate and reflectance coating, attraction sharply becomes smaller between light guide plate and reflectance coating, when
When user unclamps liquid crystal display, the screen resilience of light guide plate is more much larger than attraction, therefore light guide plate and reflectance coating can be immediately
It separates, just can be appreciated that just disappear after the white point at touching unclamps on a display screen in this way.
2, the light guiding board mould core of the utility model can be realized the light guide plate that processing site height of projection is greater than 2.5 microns.
The single site of light guiding board mould core is made of, outside similar to volcano mouth structure the hemispherical recess of the annular projection of periphery and centre
The annular projection enclosed squeezes light guide panel material surface, and a part of volume is extruded in intermediate hemispherical recess, and one
Part is extruded to outside annular projection, and the volume ratio of the annular projection of single site and hemispherical recess is in 0.6~0.9 range
It is interior, so that volumes more as far as possible is pressed to the height of projection for increasing light guide plate mesh point in hemispherical recess in this way, is larger than 2.5
Micron.
Detailed description of the invention
Fig. 1 is the amplified structural schematic diagram in single site on the light guide plate schematic diagram and light guide plate of the utility model.
Fig. 2 is the amplified structure in single site on the light guiding board mould core schematic diagram and light guiding board mould core of the utility model
Schematic diagram.
Fig. 3 is the single lattice point structure schematic cross-section of the light guiding board mould core of the utility model.
Specific embodiment
Technical solutions of the utility model are described in detail in 1-3 and preferred embodiment with reference to the accompanying drawing, in which: 1,
Light conducting plate body；2, light directing site bulge-structure；3, the surface of mode ontology；4, annular projection；5, hemispherical recess.
As shown in Figure 1, present embodiment discloses a kind of light guide plate with anti-top contour painting energy, including light conducting plate body 1, it leads
The structure of tabula rasa ontology 1 is rectangular-shape, and there are four side and upper and lower surface, upper surface, that is, top surface, lower surface, that is, bottom surface, tops for tool
Face is light-emitting surface, at least one side is incidence surface, and bottom surface corresponding with top surface has a plurality of light directing site bulge-structures
2, light directing site bulge-structure 2 is formed in the light conducting plate body bottom surface, light directing site protrusion knot by hot padding processing technology
The site height of projection of structure is greater than 2.5 microns.
The light directing site bulge-structure 2 of this patent light guide plate is process by hot padding processing technology, and hot padding adds
Work technology refers to that the light directing site bulge-structure 2 of light guide plate is process by hot pressing, specifically can be used such as patent
The site bulge-structure of the processing light guide plate of hot pressing roll structure described in CN207579095U.The light guide plate of injection molding, site
The height of protrusion easily reaches 2.5 microns, but the thickness of the light guide plate of injection molding is thicker, it is not easy to meet the need of client
It asks.
It is 1.5~2 microns normal through the light directing site height of projection that hot padding is process, when user presses liquid crystal
When display screen, the light guide plate of backlight module is contacted with reflectance coating, and since the distance between light guide plate and reflectance coating are shorter, (distance is net
Point boss height), attraction is bigger between light guide plate and reflectance coating, when user unclamps liquid crystal display, due to attraction
Presence, the screen resilience of light guide plate is relatively small, can be just separated with reflectance coating by a very long time light guide plate, be existed in this way
It just can be appreciated that the white point at touching can just disappear for a long time on display screen.The light directing site protrusion of light guide plate in the present embodiment
Structure height be greater than 2.5 microns, i.e., light guide plate and reflectance coating contact after at a distance from be greater than 2.5 microns, make light guide plate with reflect
Attraction sharply becomes smaller between film, and when user unclamps liquid crystal display, the screen resilience of light guide plate is more much larger than attraction, therefore
Light guide plate can separate immediately with reflectance coating, just can be appreciated that the white point at touching unclamps liquid crystal in user on a display screen in this way
It just disappears after display screen, will not influence user experience and using effect.
The arrangement of the light directing site bulge-structure 2 of light guide plate is the prior art, can be according to the position of light source, quantity, bright
The information such as degree accordingly to change the site arrangement of light guide plate, no longer specifically describe here, as long as the site arrangement of light guide plate can be with
Energy of light source is set to be fully used.
Further, 2 height of light directing site bulge-structure of the present embodiment light guide plate is between 2.5~4 microns, guide-lighting net
The diameter of point boss is 20~60 microns, further, can be 30 microns, 40 microns or 50 microns.Have in this way and compares
Good leaded light performance and anti-top contour painting energy.
As Figure 2-3, the present embodiment also discloses a kind of light guiding board mould core, this light guiding board mould core is for making above-mentioned tool
There is the light guide plate of anti-top contour painting energy comprising the surface 3 of mode ontology, the mode ontology is provided with a plurality of lattice point structures,
The single lattice point structure is made of peripheral annular projection 4, and intermediate hemispherical recess 5, the annular projection 4 and hemisphere
The volume ratio of shape recess 5 is in 0.6~0.9 range.
The lattice point structure of light guiding board mould core similar to volcano mouth structure, by periphery annular projection 4 and centre it is hemispherical recessed
It falls into 5 to constitute, when carrying out hot padding to light guide plate, peripheral annular projection squeezes light guide plate, a part of light guide plate
Volume is extruded in intermediate hemispherical recess, and a part is extruded to outside annular projection, wherein annular projection with it is hemispherical
For the volume ratio of recess in 0.6~0.9 range, the above-mentioned design of lattice point structure makes volumes more as far as possible press to hemispherical recess
It is interior, to increase the height of projection of light guide plate mesh point, reach at least 2.5 microns of height, as a result, this patent one kind is provided can
Produce the light guiding board mould core of light guide plate of the site height of projection greater than 2.5.
It further, as described in Figure 3, is the diameter of site at A, value is 30~80 microns, and further, value can be
40~60 microns, be the height of site annular projection 4 at B, and value is 8~16 microns, and it is micro- that further value can be 12~16
Meter, it is the ring width of circular protrusion at C, value is 8~14 microns, and further value is 8~10 microns.Using with above-mentioned setting
Light guiding board mould core, manufacture have it is anti-top contour painting can thin light guide panel when, generate technique it is simpler, the leaded light manufactured
The white effect in the anti-top of plate is more preferable.
The production method of specific light guiding board mould core specifically may refer to our company patent CN101161400B.
The above is only the preferred embodiments of the utility model, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
Claims (4)
1. a kind of light guide plate with anti-top contour painting energy, including light conducting plate body, top surface is light-emitting surface, corresponding with top surface
Bottom has a plurality of light directing site bulge-structures, it is characterised in that: the light directing site bulge-structure is processed by hot padding
Technology is formed in the light conducting plate body bottom, and the height of projection of the light directing site bulge-structure is greater than 2.5 microns.
2. the light guide plate as described in claim 1 with anti-top contour painting energy, it is characterised in that: the light directing site bulge-structure
Diameter be 20~60 microns.
3. a kind of for making the light guiding board mould core of the light guide plate as described in claim 1-2 is any, it is characterised in that: including mode
The surface of ontology, the mode ontology is provided with a plurality of lattice point structures, the single lattice point structure by periphery annular projection,
And intermediate hemispherical recess is constituted, the volume ratio of the annular projection and hemispherical recess is in 0.6~0.9 range.
4. light guiding board mould core as claimed in claim 3, it is characterised in that: the diameter of the single lattice point structure is 30~80 micro-
Rice, 8~16 microns of the height of the lattice point structure annular projection, the ring width of lattice point structure annular projection are 8~14 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821953986.4U CN209248068U (en) | 2018-11-26 | 2018-11-26 | It is a kind of with anti-top contour painting can light guide plate and make the mode of this light guide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821953986.4U CN209248068U (en) | 2018-11-26 | 2018-11-26 | It is a kind of with anti-top contour painting can light guide plate and make the mode of this light guide plate |
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| Publication Number | Publication Date |
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| CN209248068U true CN209248068U (en) | 2019-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821953986.4U Active CN209248068U (en) | 2018-11-26 | 2018-11-26 | It is a kind of with anti-top contour painting can light guide plate and make the mode of this light guide plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110412679A (en) * | 2019-08-15 | 2019-11-05 | 翰博高新材料(合肥)股份有限公司 | Hot-pressing light guide plate, backlight, display device and preparation method with high site |
-
2018
- 2018-11-26 CN CN201821953986.4U patent/CN209248068U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110412679A (en) * | 2019-08-15 | 2019-11-05 | 翰博高新材料(合肥)股份有限公司 | Hot-pressing light guide plate, backlight, display device and preparation method with high site |
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