CN103675990B - Curved light guide plate and manufacturing method thereof - Google Patents
Curved light guide plate and manufacturing method thereof Download PDFInfo
- Publication number
- CN103675990B CN103675990B CN201310733584.9A CN201310733584A CN103675990B CN 103675990 B CN103675990 B CN 103675990B CN 201310733584 A CN201310733584 A CN 201310733584A CN 103675990 B CN103675990 B CN 103675990B
- Authority
- CN
- China
- Prior art keywords
- ultra
- guide plate
- light guide
- clear glasses
- mould
- 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.)
- Active
Links
Landscapes
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a curved light guide plate and a manufacturing method thereof. The curved light guide plate comprises an incidence surface, a first curved surface and a second curved surface. The first curved surface is parallel to the second curved surface and the first curved surface and the second curved surface are mounted on each side of the in-light surface. The first curved surface is provided with lattice points. Lights are reflected by the lattice points upon penetrating the incidence surface and shoots out from the second curved surface. The curved light guide plate is made of ultra clear glass and is made by curving ultra clear glass to be formed and constructing the lattice points on the first curved surface. The processed curved light guide plate is stable in performance and insusceptible to environmental changes of temperature and humidity under the conditions that the good area light and the light use efficiency are guaranteed. Accordingly, good dimensional stability to form stable and even backlights is guaranteed.
Description
Technical field
The present invention relates to light guide plate field, more particularly to a kind of bending light guide plate and preparation method thereof.
Background technology
For bending display device, needs are also made the shape of bending by the backlight module that back light is provided for it
Shape, depending on the radian of the bending of its light-emitting area is according to the curved shape of display floater；Therefore, the optics zero in backlight group membrane module
Part is also required to the shape for being processed to bend.In backlight module, light guide plate is main optical element, and in prior art
In, light guide plate is generally by PMMA（Polymethyl methacrylate：PolymethylMethacrylate）Material is made, this kind of material
Made by bend light guide plate be disadvantageous in that, its geomery can by ambient temperature and humidity change be affected；Such as, humidity is worked as
When too high, after bending the moisture that light guide plate absorbs enough air, volume can expand；Therefore the radian that bending light guide plate is formed
Just cannot match with the radian of display floater, so that the picture brightness that bending display device shows is uneven, or produce
The bad consequence such as bending light guide plate and display floater extruding.
The content of the invention
The main object of the present invention is to provide a kind of bending light guide plate and preparation method thereof, using ultra-clear glasses as bending
The raw material of light guide plate, in the guarantee bending light guide plate on the premise of the utilization rate of the good area source of acquisition and light, make
It is difficult to be affected by ambient temperature and humidity change, so as to ensure that the bending light guide plate has good dimensional stability.
The invention provides a kind of bending light guide plate, including incidence surface, the first surface that is parallel to each other and the second curved surface, institute
The opposite sides for stating incidence surface is connected to the first surface and second curved surface, and the first surface is provided with net
Point；Light from the incidence surface inject and by the site reflect after, from second curved surface project；The bending light guide plate
Material is ultra-clear glasses.
The present invention also provides a kind of preparation method of above-mentioned bending light guide plate, including：By ultra-clear glasses brake forming and
Process behind site on the first surface, make the bending light guide plate.
Preferably, it is described to include ultra-clear glasses brake forming：
Ultra-clear glasses are cut into into default shape and size；
Polish the ultra-clear glasses；
The ultra-clear glasses are placed in the first mould, and first mould and the ultra-clear glasses are inserted into hot bending
Heat in stove, after the ultra-clear glasses soften and fits with the cambered surface of first mould, the ultra-clear glasses are annealed.
Preferably, the ultra-clear glasses soften and fit with the cambered surface of first mould including：
The bottom surface of the ultra-clear glasses after softening forms the first surface, and the first surface and first mould
The cambered surface to lower recess of tool is fitted；
Or the bottom surface of the ultra-clear glasses after softening forms second curved surface, and second curved surface and described first
The cambered surface laminating protruding upward of mould.
Preferably, the polishing ultra-clear glasses include：
By the corner polishing bevel of the ultra-clear glasses；And the bending light guide plate will be corresponded in the ultra-clear glasses
Incidence surface surface grinding polishing.
Preferably, it is described to include ultra-clear glasses brake forming：
Second mould is made according to the shape and size of the bending light guide plate, in the upper mould and lower mould of second mould
Between process one with the bending consistent closed cavity of light guide plate form and dimension；
Ultra-clear glasses are heated to into liquid and are injected in the closed cavity；
Mould applies pressure on described, and the ultra-clear glasses for making liquid fill up the closed cavity；
The ultra-clear glasses of the liquid are cooled down and curing process.
Preferably, the site that processes on the first surface includes：Described first is corresponded in the closed cavity
The concave point of size with the site and shape adaptation is processed on the inwall of curved surface；
The ultra-clear glasses for making liquid fill up the closed cavity also to be included：Make liquid ultra-clear glasses fill up it is described recessed
Point.
Preferably, the mode of the processing concave point is laser ablation or chemical etching.
Preferably, the site that processes on the first surface includes：
The printing net-point and after carrying out curing process in the PET film, applies in the PET film in the one side of printing net-point
Cloth mucigel, and attach diaphragm on the mucigel；
The one side that the PET film posts the diaphragm is positioned on the first surface of the bending light guide plate, and
It is the shape being adapted to the first surface that the PET film is preheated；
Tear the diaphragm off, the mucigel is binded with the first surface.
Preferably, the site that processes on the first surface includes：In the first surface serigraphy site simultaneously
Carry out the curing process of high-temperature baking or illumination.
The invention provides a kind of bending light guide plate, including incidence surface, the first surface that is parallel to each other and the second curved surface, institute
The opposite sides for stating incidence surface is connected to the first surface and second curved surface, and the first surface is provided with net
Point；Light from the incidence surface inject and by the site reflect after, from second curved surface project；The bending light guide plate
Material is ultra-clear glasses；After the present invention processes site by ultra-clear glasses brake forming and on the first surface, make described
Bending light guide plate, the bending light guide plate stable performance after processing is ensureing the bending light guide plate in the good face of acquisition
It is guide-lighting so as to ensure the bending on the premise of the utilization rate of light source and light so as to be difficult to be affected by ambient temperature and humidity change
Plate has good dimensional stability, forms the backlight of stable and uniform.
Description of the drawings
Fig. 1 is the propagation path schematic diagram of present invention bending light conducting plate structure and light；
Fig. 2 is the structural representation of the first embodiment of present invention bending light guide plate and the first mould；
Fig. 3 is the structural representation of the second embodiment of present invention bending light guide plate and the first mould；
Fig. 4 is the structural representation of the first embodiment of the second mould of the invention；
Fig. 5 is the structural representation of the second embodiment of present invention bending light guide plate and the second mould；
Fig. 6 is the dimensional structure diagram of the upper mould of the second mould in Fig. 5；
Fig. 7 is the structural representation that the present invention pastes site to the PET film of the bending light guide plate；
Fig. 8 is the structural representation that the present invention pastes the bending light guide plate behind site.
The realization of the object of the invention, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Specific embodiment
Technical scheme is further illustrated below in conjunction with Figure of description and specific embodiment.It should be appreciated that this
The described specific embodiment in place is not intended to limit the present invention only to explain the present invention.
With reference to Fig. 1, Fig. 1 is the propagation path schematic diagram of present invention bending light conducting plate structure and light；The present embodiment it is curved
The curved surface 103 of first surface 102 and second that bent light guide plate 10 includes incidence surface 101, is parallel to each other, the phase of the incidence surface 101
Both sides are connected to the first surface 102 and second curved surface 103, the first surface 102 is provided with site
104；After light is injected and reflected by the site 104 from the incidence surface 101, project from second curved surface 103；It is described curved
The material of bent light guide plate 10 is ultra-clear glasses, because the visible light transmissivity of ultra-clear glasses is in more than 91-92%, its relative atmospheric
Refractive index be 1.51-1.52, and ultra-clear glasses be difficult by ambient temperature and humidity change affected, therefore using ultra-clear glasses as
The raw material of the bending light guide plate 10, while can obtaining the utilization rate of good area source and light, it is also possible to protect
The card bending light guide plate 10 has good dimensional stability.
As shown in figure 1, light source 1 sends light shown in dotted lines in Figure 1, the light is from being arranged at the bending light guide plate
After the incidence surface 101 of 10 one end is injected, and the light is totally reflected in the bending light guide plate 10, lead from the bending
The other end of tabula rasa 10 is projected；Meanwhile, the net of multiple marshallings is set on the first surface 102 of the bending light guide plate 10
Point 104, in the present embodiment, the rectangular arrangement in the site 104, but in the present invention, this kind of arrangement mode is not limited to,
Can also arrange as circle, other polygons etc., as long as shown in fig. 1, the site 104 can destroy the complete of the light
Reflection environment so that the light is uniformly projected and formed after the reflection of the site 104 from second curved surface 103
Area source, and the light is after the area source projected from second curved surface 103 is formed, by blooming piece 2
Process, eventually impinge and uniform backlight formed on display panels 3.The present invention is being obtained in the guarantee bending light guide plate 10
On the premise of the utilization rate of good area source and light so as to being difficult to be changed by ambient temperature and humidity is affected, so as to ensure
State bending light guide plate 10 and there is good dimensional stability, form the backlight of stable and uniform.
The present invention also provides a kind of preparation method of above-mentioned bending light guide plate, including：By ultra-clear glasses brake forming and
Process behind site 104 on the first surface 102, the bending light guide plate 10 is made, according to the needs of processing, the processing net
The process of point 104 can be carried out before the ultra-clear glasses to be bent shaping, can also treat that the ultra-clear glasses bend shaping
Be processed again afterwards, and can also with the process for bending shaping while carry out, the present invention by ultra-clear glasses brake forming and
Process behind site 104 on the first surface 102, make the bending light guide plate 10, the bending light guide plate 10 after processing
Stable performance.
It is the structural representation of the first embodiment of present invention bending light guide plate and the first mould with reference to Fig. 2 and Fig. 3, Fig. 2；
Fig. 3 is the structural representation of the second embodiment of present invention bending light guide plate and the first mould；It is described to bend to ultra-clear glasses
Type includes：
Ultra-clear glasses are cut into into default shape and size；The shape and size can be according to the LCDs
The size and shape of plate is setting.
Polish the ultra-clear glasses；It includes：The corner of the ultra-clear glasses is polished bevel, it is right in the present embodiment
The edge of the ultra-clear glasses after cutting is polished, and its corner is polished into into the oblique angle of 0.2mm, the size at the oblique angle
It is including but not limited to 0.2mm, as long as the coarse granule and impurity for removing corner can be played, the effect for obtaining smooth edge is
Can；If the ultra-clear glasses are other shapes, it is also possible to polished according to the needs of other shapes, such as, and can be by its corner
Polish as fillet；And will polish corresponding to the surface grinding of the incidence surface 101 of the bending light guide plate 10 in the ultra-clear glasses,
So that its any surface finish is smooth, be so conducive to controlling the angle that the light injects the ultra-clear glasses.
The first mould 20 ultra-clear glasses being placed in first embodiment（Or the first mould described in second embodiment
Tool 21）In, and by first mould 20（Or first mould 21）And the ultra-clear glasses insert bending furnace（It is not shown）In plus
Heat, the furnace chamber of the bending furnace heats up, and the ultra-clear glasses are heated, and makes the ultra-clear glasses reach softening temperature, institute
State ultra-clear glasses to soften and fit with the cambered surface 201 of first mould 20（Or paste with the cambered surface 211 of first mould 21
Close）Afterwards, the ultra-clear glasses are annealed, the shape needed for the bending light guide plate 10 is formed after glass cooling.With reference to Fig. 2 and
Fig. 3, above-mentioned ultra-clear glasses soften and fit with the cambered surface 201 of first mould 20（Or the cambered surface with first mould 21
211 laminatings）Including：As shown in Fig. 2 the bottom surface of the ultra-clear glasses after softening forms the first surface 102, and described the
One curved surface 102 is fitted with the first mould 20 described in first embodiment to the cambered surface 201 of lower recess.（Or such as Fig. 3 institutes
Show, the bottom surface of the ultra-clear glasses after softening forms second curved surface 103, and second curved surface 103 and second is implemented
The cambered surface 211 protruding upward of the first mould 21 is fitted described in example.）
With reference to Fig. 4, Fig. 4 is the structural representation of the first embodiment of the second mould of the invention；It is described that ultra-clear glasses are curved
Song shaping includes：
Second mould 30 is made according to the shape and size of the bending light guide plate 10, second mould 30 includes being located at
The upper mould 301 of upside, the lower mould 302 being connected positioned at downside and with the upper mould 301 adaptation, works in second mould 30
When, the upper mould 301 and the lower mould 302 can be closed, and be processed between the upper mould 301 and lower mould 302 of second mould 30
One closed cavity consistent with the bending form and dimension of light guide plate 10, the shape of the closed cavity is needed according to described
The shape and size of bending light guide plate 10 is made；
Ultra-clear glasses are heated to into liquid and are injected in the closed cavity；
Mould applies in pressure, and the closed cavity for keeping being formed between the upper mould 301 and the lower mould 302 on described
With certain pressure, the ultra-clear glasses for making liquid fill up the closed cavity；
The ultra-clear glasses of the liquid are cooled down and curing process, formed the shape needed for the bending light guide plate 10
Shape.
It is the structural representation of the second embodiment of present invention bending light guide plate and the second mould with reference to Fig. 5 and Fig. 6, Fig. 5；
Fig. 6 is the dimensional structure diagram of the upper mould of the second mould in Fig. 5；It is described to include ultra-clear glasses brake forming：According to described
The shape and size of bending light guide plate 10 makes the second mould 31, and second mould 31 includes being located at the upper mould 311 of upside, position
In downside and with the upper mould 311 lower mould 312 that is connected of adaptation, when second mould 31 works, the upper mould 311 and institute
Stating lower mould 312 can close, and one is processed between the upper mould 311 and lower mould 312 of second mould 31 with the bending leaded light
The consistent closed cavity of the form and dimension of plate 10, the shape of the closed cavity needs the shape according to the bending light guide plate 10
And size is made；Ultra-clear glasses are heated to into liquid and are injected in the closed cavity；Mould applies pressure on described, and
Keep that there is certain pressure in the closed cavity formed between the upper mould 311 and the lower mould 312, make the ultrawhite glass of liquid
Glass fills up the closed cavity；The ultra-clear glasses of the liquid are cooled down and curing process, formed the bending light guide plate
Shape needed for 10.
As shown in Figures 5 and 6, the site 104 that processes on the first surface includes：In closed cavity correspondence
Process the concave point 313 of size with the site 104 and shape adaptation on the inwall of the first surface 102, and it is described plus
The mode of work concave point 313 is laser ablation or chemical etching；In the present embodiment, the closed cavity of second mould 31 is convex
Rise, the concave point 313 is arranged on the inwall of the upper mould 311, but, when the closed cavity of the present invention is to lower recess, institute
State concave point 313 and answer relative set on the inwall of the lower mould 312.It is described to make the ultra-clear glasses of liquid fill up the closed cavity
Also include：The ultra-clear glasses for making liquid fill up the concave point 313.That is, the process of above-mentioned processing site 104 is molded institute with bending
The process of bending light guide plate 10 is stated while carry out, therefore only needs to carry out time processing just can to obtain possessing the curved of site 104
Bent light guide plate.
It is the structural representation that the present invention pastes site to the PET film of the bending light guide plate with reference to Fig. 7 and Fig. 8, Fig. 7；
Fig. 8 is the structural representation that the present invention pastes the bending light guide plate behind site；In the above-described embodiments using hot bending method or
Die mould method bends the ultra-clear glasses after the shape being shaped to needed for the bending light guide plate 10, described bent described first
Site 104 is processed on face 102 to be included：
In PET (polyethylene terephthalates：Polyethylene terephthalate) printing net on film 40
Point 104 is simultaneously carried out after curing process, is coated with mucigel 50 in the one side of printing net-point 104 in the PET film 40, and in institute
State attaching diaphragm 60 on mucigel 50；The material of the diaphragm is PET, and the mode of the printing net-point 104 is screen printing
Brush, the mode of the curing process is high-temperature baking or illumination.
The one side that the PET film 40 posts the diaphragm 60 is positioned over into the first surface of the bending light guide plate 10
On 102, temperature-pressure is carried out to the PET film 40 using air-heater, and the PET film 40 is preheated be and described
The shape of the adaptation of one curved surface 102；
Tear the diaphragm 60 off, the mucigel 50 is binded with the first surface 102, so that the bending
There is the site 104 on the first surface 102 of light guide plate 10.The process of above-mentioned processing site 104 bend shaping it is described curved
Carry out after bent light guide plate 10, and its process is simple, it is not necessary to specially design mould.
Further, the site 104 that processes on the first surface 102 includes：In the silk screen of the first surface 102
Printing net-point 104 simultaneously carries out the curing process of high-temperature baking or illumination.The process of above-mentioned processing site 104 can bend shaping
Carry out before or after the bending light guide plate 10, the limitation of processing is little, and its process is simple, it is not necessary to specially set
Meter mould.
After the embodiment of the present invention processes site 104 by ultra-clear glasses brake forming and on the first surface 102, make
The bending light guide plate 10, the bending light guide plate 10 stable performance after processing is being obtained in the guarantee bending light guide plate 10
On the premise of the utilization rate of good area source and light so as to being difficult to be changed by ambient temperature and humidity is affected, so as to ensure
State bending light guide plate and there is good dimensional stability so that the backlight stable and uniform of display panels.
The preferred embodiments of the present invention are the foregoing is only, its scope of the claims is not thereby limited, it is every using the present invention
Equivalent structure or equivalent flow conversion that specification and accompanying drawing content are made, are directly or indirectly used in other related technology necks
Domain, is included within the scope of the present invention.
Claims (6)
1. it is a kind of bending light guide plate preparation method, it is characterised in that include：By ultra-clear glasses brake forming and in first surface
Behind upper processing site, the bending light guide plate is made；Wherein, it is described to include ultra-clear glasses brake forming：
Ultra-clear glasses are cut into into default shape and size；
Polish the ultra-clear glasses；
The ultra-clear glasses are placed in the first mould, and first mould and the ultra-clear glasses are inserted in bending furnace
Heating, after the ultra-clear glasses soften and fits with the cambered surface of first mould, the ultra-clear glasses is annealed；Or
Second mould is made according to the shape and size of the bending light guide plate, between the upper mould and lower mould of second mould
One closed cavity consistent with the bending light guide plate form and dimension of processing；
Ultra-clear glasses are heated to into liquid and are injected in the closed cavity；
Mould applies pressure on described, and the ultra-clear glasses for making liquid fill up the closed cavity；
The ultra-clear glasses of the liquid are cooled down and curing process；
Wherein, the site that processes on the first surface includes：
The printing net-point and after carrying out curing process in the PET film, coating is glutinous in the one side of printing net-point in the PET film
Glue-line, and attach diaphragm on the mucigel；
The one side that the PET film posts the diaphragm is positioned on the first surface of the bending light guide plate, and by institute
It is the shape being adapted to the first surface to state PET film and preheat；
Tear the diaphragm off, the mucigel is binded with the first surface.
2. the preparation method of bending light guide plate according to claim 1, it is characterised in that the ultra-clear glasses soften and with
The cambered surface laminating of first mould includes：
The bottom surface of the ultra-clear glasses after softening forms the first surface, and the first surface and first mould
Fit to the cambered surface of lower recess；
Or the bottom surface of the ultra-clear glasses after softening forms the second curved surface, and second curved surface and first mould to
The cambered surface laminating for protruding above.
3. the preparation method of bending light guide plate according to claim 1, it is characterised in that the polishing ultra-clear glasses
Including：
By the corner polishing bevel of the ultra-clear glasses；And entering for light guide plate will be bent corresponding to described in the ultra-clear glasses
The surface grinding polishing in light face.
4. it is according to claim 1 bending light guide plate preparation method, it is characterised in that it is described on the first surface
Processing site includes：The size and shape with the site is processed on inwall of the closed cavity corresponding to the first surface
The concave point of shape adaptation；
The ultra-clear glasses for making liquid fill up the closed cavity also to be included：The ultra-clear glasses for making liquid fill up the concave point.
5. the preparation method of bending light guide plate according to claim 4, it is characterised in that the mode of the processing concave point is
Laser ablation or chemical etching.
6. it is according to claim 1 bending light guide plate preparation method, it is characterised in that it is described on the first surface
Processing site includes：In the first surface serigraphy site and carry out the curing process of high-temperature baking or illumination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310733584.9A CN103675990B (en) | 2013-12-26 | 2013-12-26 | Curved light guide plate and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310733584.9A CN103675990B (en) | 2013-12-26 | 2013-12-26 | Curved light guide plate and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103675990A CN103675990A (en) | 2014-03-26 |
| CN103675990B true CN103675990B (en) | 2017-05-03 |
Family
ID=50314102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310733584.9A Active CN103675990B (en) | 2013-12-26 | 2013-12-26 | Curved light guide plate and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103675990B (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103941327A (en) * | 2014-04-11 | 2014-07-23 | 东莞市鑫聚光电科技有限公司 | Improved light guide plate |
| US9902644B2 (en) | 2014-06-19 | 2018-02-27 | Corning Incorporated | Aluminosilicate glasses |
| CN204129250U (en) * | 2014-09-24 | 2015-01-28 | 深圳Tcl新技术有限公司 | Light guide plate and liquid crystal indicator |
| CN104950379B (en) * | 2015-07-07 | 2018-01-05 | 广东悦尚数码科技有限公司 | A kind of processing method and device of curved surface light conductor and its surface micro-structure |
| CN105005162A (en) * | 2015-07-14 | 2015-10-28 | 安徽胜利精密制造科技有限公司 | Novel curved-surface display apparatus |
| TWI598858B (en) * | 2016-11-04 | 2017-09-11 | 茂林光電科技股份有限公司 | Front light module and display device thereof |
| CN107037529B (en) * | 2017-05-18 | 2019-09-27 | 东莞市银泰丰光学科技有限公司 | A kind of bend glass light guide plate preparation method |
| CN107037531B (en) * | 2017-06-21 | 2019-04-30 | 东莞市银泰丰光学科技有限公司 | A kind of production method reducing glass light guide plate color difference |
| CN108181679A (en) * | 2017-11-29 | 2018-06-19 | 上海亚明照明有限公司 | A kind of LED lamp and its light guide plate |
| TWI690740B (en) * | 2018-04-20 | 2020-04-11 | 正美企業股份有限公司 | Light guide element and manufacturing method thereof |
| CN108710170A (en) * | 2018-04-26 | 2018-10-26 | 江西联创致光科技有限公司 | Hyperboloid mobile phone LED backlight |
| CN110253729A (en) * | 2019-06-03 | 2019-09-20 | 陈培鑫 | A kind of secondary processing method of ceramic thin plate |
| CN110774732B (en) * | 2019-11-04 | 2021-06-22 | 深圳市高美福电子有限公司 | Printing device for light guide plate |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101261338A (en) * | 2007-03-06 | 2008-09-10 | 鸿富锦精密工业（深圳）有限公司 | Light guide board and method for making same |
| TW200923507A (en) * | 2007-11-16 | 2009-06-01 | Chin Wei Miao Ind Co Ltd | Panel light source and method of providing the same |
| CN101886785A (en) * | 2010-07-13 | 2010-11-17 | 上海向隆电子科技有限公司 | Light guide and adopt the backlight module of this light guide |
| CN101936509A (en) * | 2010-09-20 | 2011-01-05 | 友达光电股份有限公司 | Backlight structure and production method thereof |
| CN102374493A (en) * | 2010-08-16 | 2012-03-14 | 深圳帝光电子有限公司 | Light guide plate, backlight source and illuminating device |
| CN203142161U (en) * | 2012-08-28 | 2013-08-21 | 张大海 | Light-emitting blackboard |
| CN103278880A (en) * | 2013-06-26 | 2013-09-04 | 涌德电子股份有限公司 | Light guiding body and manufacturing method thereof |
| CN103342477A (en) * | 2013-06-27 | 2013-10-09 | 北京北玻安全玻璃有限公司 | Processing method for arc-shaped chemically-tempered and laminated structural glass |
-
2013
- 2013-12-26 CN CN201310733584.9A patent/CN103675990B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101261338A (en) * | 2007-03-06 | 2008-09-10 | 鸿富锦精密工业（深圳）有限公司 | Light guide board and method for making same |
| TW200923507A (en) * | 2007-11-16 | 2009-06-01 | Chin Wei Miao Ind Co Ltd | Panel light source and method of providing the same |
| CN101886785A (en) * | 2010-07-13 | 2010-11-17 | 上海向隆电子科技有限公司 | Light guide and adopt the backlight module of this light guide |
| CN102374493A (en) * | 2010-08-16 | 2012-03-14 | 深圳帝光电子有限公司 | Light guide plate, backlight source and illuminating device |
| CN101936509A (en) * | 2010-09-20 | 2011-01-05 | 友达光电股份有限公司 | Backlight structure and production method thereof |
| CN203142161U (en) * | 2012-08-28 | 2013-08-21 | 张大海 | Light-emitting blackboard |
| CN103278880A (en) * | 2013-06-26 | 2013-09-04 | 涌德电子股份有限公司 | Light guiding body and manufacturing method thereof |
| CN103342477A (en) * | 2013-06-27 | 2013-10-09 | 北京北玻安全玻璃有限公司 | Processing method for arc-shaped chemically-tempered and laminated structural glass |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103675990A (en) | 2014-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103675990B (en) | Curved light guide plate and manufacturing method thereof | |
| CN106379023B (en) | The method and one screen that a kind of curve screens and plane display module are bonded entirely | |
| CN104679341B (en) | A kind of full laminating curved surface touching display screen and its manufacturing process | |
| CN102566841B (en) | Structure of curved capacitive touch control panel | |
| CN104656999B (en) | One kind bending touching display screen and its manufacturing process | |
| CN106483588B (en) | Eyeglass pad pasting processing method | |
| WO2012079416A1 (en) | Curved reflective mirror and manufacturing method therefor | |
| CN108730921A (en) | The method of guide-lighting module, total-reflection type display device and the guide-lighting module of manufacture | |
| CN110272204B (en) | Composite cover plate glass, total reflection display device, chromium-aluminum quartz glass and preparation method | |
| CN103631438A (en) | Touch screen with cambered surface and electronic product | |
| CN103176305A (en) | Polaroid attaching method | |
| CN103677404B (en) | The touch screen of Rimless | |
| CN101131498A (en) | Backlight module unit and LCD device | |
| CN107728362A (en) | A kind of liquid crystal display die set | |
| CN106739415A (en) | A kind of implementation method of improved full attaching process | |
| TWI452358B (en) | Light guide plate with light entrance structure and manufacture method for manufacturing the same | |
| CN109471208B (en) | Optical film, mold and electronic equipment cover plate | |
| CN109177122A (en) | A kind of the hot bending shape method and molding machine of organic glass | |
| CN108928066A (en) | A kind of 3D glass and preparation method thereof | |
| US9114598B2 (en) | Method for laminating polarization film | |
| CN204256331U (en) | Display device | |
| CN203023972U (en) | Backlight module and display device | |
| CN207636883U (en) | A kind of display module and touch-control display module | |
| CN203606806U (en) | Touch screen with cambered surface, and electronic product | |
| CN112577019A (en) | Diffusion strip-shaped lampshade, strip-shaped lamp and lampshade manufacturing method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |