CN104133344A - Method for simultaneously manufacturing plurality of light guide sheets with thickness gradual-change regions - Google Patents
Method for simultaneously manufacturing plurality of light guide sheets with thickness gradual-change regions Download PDFInfo
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- CN104133344A CN104133344A CN201410405130.3A CN201410405130A CN104133344A CN 104133344 A CN104133344 A CN 104133344A CN 201410405130 A CN201410405130 A CN 201410405130A CN 104133344 A CN104133344 A CN 104133344A
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Abstract
The invention discloses a method for simultaneously manufacturing a plurality of light guide sheets with thickness gradual-change regions. The method comprises the following steps: providing a transparent substrate of the light guide sheets; coating the substrate with a glue layer with the thickness gradual-change regions and thickness uniform regions, wherein the glue layer contains a photo-polymerizable material; designing a mask plate, wherein a mask plate pattern comprises light-transmitting regions and a plurality of unit mask plate regions composed of density gradual-change light-transmitting openings or light-stopping patterns; aligning the light-transmitting regions in the unit mask plate regions at the thickness gradual-change regions in the glue layer on the substrate; aligning the regions composed of the density gradual-change light-transmitting openings or the light-stopping patterns in the mask plate at the thickness uniform regions in the glue layer; radiating and irradiating the glue layer on the substrate by energy and selectively curing the photo-polymerizable material in the glue layer; washing the selectively-cured glue layer by a solvent to form a plurality of light guide sheets which correspond to the mask plate pattern and contain the thickness gradual-change regions and density gradual-change micro-light-guide structure regions, so that the light guide sheets are separated.
Description
Technical field
The invention relates to a kind of method for making of the light guide sheet for side-light type light source module, particularly about a kind of method for making of light guide sheet of the gradient thickness region of containing contiguous light guide sheet light inputting end.
Background technology
Side-light type light source module is widely used in the small-medium size liquid crystal display such as mobile phone, panel computer, notebook computer.The light source that side-light type light source module contains critical optical elements light guide sheet and contiguous light guide sheet, for example LED.The light sending from light source is coupled into light guide sheet by the light inlet side of light guide sheet.The stiffness of coupling of light source and light guide sheet depends on height and the dimension of light source of light guide sheet light inlet side to a great extent.In the time that the light inlet side from light guide sheet is coupled to the light guide sheet having compared with minimal thickness, cause larger light loss, reduce significantly the utilization factor of light.Present stage liquid crystal display industry, mainly by the mode of ejection formation, forms the light guide sheet region of thinner uniform thickness of correspondence image viewing area and the light guide sheet region of the gradient thickness of contiguous light inlet side simultaneously.Along with liquid crystal display is to slim and development large area direction, there is great bottleneck in technology and efficiency in the method for making of ejection formation.Novel optic sheet method for making, as Chinese patent application (the applicant) 201210121973.1,201210133996.4,201210204175.5 disclosed methods, or additive method, as the methods such as laser dotting, inkjet printing, hot transfer printing, hot padding can be made light guide sheet slim, large area even thickness easily.Because lacking the light guide sheet region of gradient thickness, when the light guide sheet of these method mades and the collocation of larger-size light source are used, produce larger light loss.For realizing the slimming of liquid crystal display and the utilization factor of raising light, be badly in need of a kind of method for manufacturing light guide sheet that can overcome above-mentioned defect.Chinese patent application (the applicant) 201310478310.X, provides a kind of method for making of the light guide sheet that contains gradient thickness region, makes gradient thickness region on the basis of plane light guide sheet.
Summary of the invention
For the deficiencies in the prior art, the present invention proposes a kind of method of simultaneously making multi-disc even thickness region and gradient thickness region, its technical scheme adopting is: a kind of method of simultaneously making the light guide sheet that multi-disc contains gradient thickness region, comprises the following steps:
Step 1, provide light guide sheet base material, light guide sheet base material has optical clear characteristic;
Step 2, adopt same apparatus for coating, in the same application step on light guide sheet base material, apply and produce the colloid coating that contains multiple gradient thickness region and even thickness region, colloid coating contains photopolymerizable material;
Step 3, designing mask plate, the region that mask plate pattern contains multiple transmission regions corresponding with gradient thickness region in light guide sheet and even thickness region difference and is made up of light openings or the resistance light pattern of density gradual change;
Step 4, make gradient thickness region alignment in transmission region in cell mask plate region and base material upper glue layer, and even thickness region alignment in the region of the light openings that makes to contain density gradual change in mask plate or resistance light pattern composition and glue-line;
The energy emission of step 5, use collimation or approaching collimation, by mask plate, irradiates the glue-line on base material, optionally the photopolymerizable material in curing glue-line; And use the glue-line after solvent wash selectivity is solidified, form by photopolymerizable material in colloid coating simultaneously and accept the light guide sheet gradient thickness region that is solidified to form after energy emission and the microstructure area of density gradual change;
Step 6, make multi-disc light guide sheet separate.
On light guide sheet base material, can adopt the mode of slot coated to be coated with the glue-line that contains gradient thickness region and even thickness region; The mode of described slot coated refers to: coating colloid is deposited in colloid storage tank, by accurate pumping, colloid is supplied to slot coated head; Coating colloid spues from the slit of gap coating head, and meanwhile, slot coated head moves along directions X, makes to be coated with on the surface that colloid covers transparent base, and coating colloid coating area comprises gradient thickness region and even thickness region; Gap between coating colloid coating area, in the time that gap coating head moves to this region, spues from the slit of dispense tip without colloid.
In the coating process of light guide sheet substrate upper glue layer, a slot coated reference position can be due to locating along " B " of X-axis direction of motion, coating colloid spues from the slit of slot coated head, flow to " A " and locate at-directions X, from position, " B " moves to position " C " and locates slot coated head, can be by controlling the cephalomotor speed of slot coated and colloid spues from a slot coated slit speed, form and start from the colloid thickness of correspondence position " B ", the gradient thickness region that thickness reduces gradually; The control mode that forms the gradient thickness region that reduces gradually of thickness can be the speed that dispense tip slit colloid spues and keeps constant, and slot coated head increases gradually along the movement velocity of directions X, when slot coated head moves to position " C ", the speed spuing at slot coated head coating colloid keep constant in, make a slot coated uniform motion to position " C ", form even thickness region.
On light guide sheet base material, can adopt the mode of slot coated to be coated with the glue-line that contains gradient thickness region and even thickness region; The mode of described slot coated refers to: slot coated head spues on the slit of coating colloid and is provided with the minizone of multiple filling slits, and coating colloid cannot spue from corresponding filling minizone; Be applied to the glue-line on light guide sheet base material, correspondingly form in the Y direction the interval of intermittence, comprise the interval not covered by glue-line between gradient thickness region and the glue-line in even thickness region and separate.
Described mask plate contains substrate and multiple cell mask plate area of the pattern, cell mask plate district inclusion transmission region and contain density gradual change light openings or resistance light pattern region, cell mask plate region is separated by light-blocking part, in cell mask plate region light openings be coated in base material on the region of gradient thickness corresponding, the area of the pattern being made up of light openings or the light-blocking part of density gradual change in cell mask plate is corresponding with even thickness region on base material.
The energy emission of described collimation or approximate collimation is ultraviolet light or electron beam, in glue-line, photopolymerizable material is accepted energy emission and solidifies, adopt the glue-line of solvent wash after energy emission step, make received energy radiation and curing part is stayed on base material, uncured part is removed in the process of solvent wash, form the solid area of gradient thickness in the colloid region of gradient thickness, the colloid region of even thickness forms the microstructure area of density gradual change;
Described light guide sheet can be cut unit light guide sheet by the mode of cutting, and the mode of cutting can adopt laser, machinery or other suitable cutting modes; To cutting of gradient thickness region, comprise along the cutting of thickness maximum position; Cutting along thickness maximum position can be carried out separately in unit light guide sheet from large version light guide sheet is cut, or carries out in the time that unit light guide sheet is cut from large version light guide sheet simultaneously; The end face in the gradient thickness region of the unit light guide sheet obtaining can further carry out polishing or other processing that improves optical property.
Beneficial effect: the application provides a kind of method of simultaneously making the light guide sheet that multi-disc contains even thickness region and gradient thickness region, has greatly improved the make efficiency of light guide sheet, has effectively reduced the cost of light guide sheet.
Brief description of the drawings
Fig. 1 is the schematic diagram that adopts slot coated mode coated glue layer on base material of the present invention.
Fig. 2 is the process schematic diagram that the present invention adopts slot coated mode coated glue layer.
Fig. 3 is the schematic diagram that the present invention is coated with multiple colloids region.
Fig. 4 is the present invention for the mask plate schematic diagram of the light guide sheet of making multi-disc and containing gradient thickness region simultaneously.
Fig. 5 is cell mask plate pattern schematic diagram of the present invention.
Fig. 6 describes the method for making of the embodiment of the present invention.
Fig. 7 describes the light guide sheet that multi-disc that the embodiment of the present invention makes simultaneously contains gradient thickness region.
Fig. 8 is the unit light guide sheet after cutting of the embodiment of the present invention.
Fig. 9 is that the present invention describes the light source module that contains light guide sheet of the present invention.
Embodiment
Provided by the inventionly make the method for manufacturing light guide sheet that multi-disc contains gradient thickness region simultaneously and become apparent for allowing, special embodiment below, and coordinate accompanying drawing, be described in detail below, but the present invention is not limited to this.
Fig. 1 is described in the example that adopts the mode of slot coated (Slot Die Coating, claims again Slit Coating) to be coated with the colloid coating that contains multiple gradient thickness region and even thickness region on transparent base.In figure, 101 is transparent base, is positioned in XY plane.Suitable transparent base comprises polymethylmethacrylate (PMMA), poly-phthalate ester (PC) or other suitable materials.Slot coated device comprises the gap coating head (slot-die coating head) as shown in figure 102.Coating colloid is deposited in colloid storage tank, by accurate pumping, colloid is supplied to slot coated head.Colloid spues from the slit of dispense tip, and meanwhile, dispense tip moves along directions X, and colloid is covered on the surface of transparent base, forms colloid coating.In figure, 103 is one to have completed the colloid coating area of coating, comprises gradient thickness region 104 and even thickness region 105.In figure, 106 is gap between colloid coating layer region, in the time that dispense tip moves to this region, spues from the slit of dispense tip without colloid.
Fig. 2 describes the process example that adopts slot coated mode to form the colloid coating 105 that comprises multiple gradient thickness region 104 and even thickness region on transparent base 101.In this instantiation procedure, the reference position of dispense tip 102 is due to locating along " B " of X-axis (dispense tip direction of motion), colloid spues from the slit of dispense tip, flow to " A " and locate at-directions X, from position, " B " moves to position " C " and locates dispense tip, be coated with cephalomotor speed and colloid spues from dispense tip slit speed by control, form from the colloid thickness 201 of correspondence position " B " the gradient thickness region 202 that thickness reduces gradually.Form a kind of control mode in region 202 and can be the speed that dispense tip slit colloid spues and keep constant, and dispense tip increases gradually along the movement velocity of directions X.When dispense tip moves to position " C ", the speed spuing at dispense tip slit colloid keep constant in, make dispense tip uniform motion to position " D ", form even thickness region 105.
Fig. 3 describes another example of the multiple colloid coatings that comprise gradient thickness region and even thickness region of coating.In figure, 301 is transparent base.Dispense tip 302 spues and is provided with the minizone of multiple filling slits on the slit of colloid, and colloid cannot spue from corresponding filling minizone.Be applied to the colloid coating on transparent base 301, correspondingly form in the Y direction the interval of intermittence.Comprise between gradient thickness region and the glue-line 303 in even thickness region and separated by the interval 304 that does not have glue-line to cover.As in Fig. 1 106 and Fig. 3 in the formation in the region covering without glue-line as shown in 304 can reduce the consumption of colloid, but the present invention is not limited to such glue-line distribution mode.For example, in Fig. 1 106 and Fig. 3 in the situation that covered by glue-line of the region shown in 304 can be used for equally enforcement of the present invention.
Fig. 1 and Fig. 3 are described for colloid coating method of the present invention, adopt same apparatus for coating, the dispense tip 302 of the minizone that is provided with multiple filling slits on slit shown in gap coating as shown in Figure 1 102 and Fig. 3, in same application step on transparent base, apply and produced the colloid coating that contains gradient thickness region and even thickness region.
Fig. 4 describes the mask plate example for make the light guide sheet that multi-disc contains gradient thickness region simultaneously.Mask plate comprises a substrate base 401 and is positioned at the mask plate pattern on substrate base surface.Mask plate pattern comprises multiple unit mask plate pattern 402, the region 404 that comprises a transmission region 403 at least one unit mask plate pattern and be made up of light openings or the resistance light pattern of density gradual change.Substrate base can adopt the glass of high-flatness, as quartz glass, soda-lime glass or Pyrex.The resistance luminescent material that forms pattern 402 can be metallic chromium layer.Described mask plate or can be flexible mask plate.The substrate of flexible mask plate can be a polyester material, and the resistance luminescent material that forms pattern 402 can be emulsion layer, as silver salt emulsion layer; Flexible mask plate can further comprise tack coat, promotes the adhesion between emulsion layer and polyester layer, and protective seam, and protection silver salt emulsion layer is not destroyed.
Fig. 5 describes a cell mask plate pattern example.Unit mask plate pattern 502, the region 504 that comprises transmission region 503 and formed by light openings 505.The density of light openings 505 increases gradually along directions X in region 504.The region 506 being made up of resistance luminescent material between light openings separates.In the present invention, " transmission region 503 " refers to the region of (1) uniform-light transmission, has identical transmittance in region everywhere; Or (2) contain the transmission region that hinders light pattern, the transmittance of resistance light pattern correspondence position is less than 1/2nd of other position transmittances.
Fig. 6 describes an example method for making of the present invention.In figure, 601 contain base material 604 and are coated in the multiple glue-lines region on base material 604.The glue-line region 605 that gradient thickness is contained in single glue-line region and the glue-line region 606 of even thickness.Between glue-line region, separated by the region 607 without glue-line.In figure, 602 is a mask plate, and mask plate contains substrate 608, and multiple mask plate area of the pattern.Single mask plate area of the pattern comprises transmission region 609 (region 503 shown in example region 403, Fig. 5 as shown in Figure 4) and the light openings that contains density gradual change or resistance light pattern region 610 (region 504 shown in example region 404, Fig. 5 as shown in Figure 4).Cell mask plate region is separated by light-blocking part 611.603 energy emissions for collimation or approximate collimation in figure, as ultraviolet light or electron beam.In mask plate pattern light openings 609 be coated in base material on the region 605 of gradient thickness align.In glue-line, photopolymerizable material is accepted energy emission and solidifies, and makes the colloid of this part gradient thickness become the solid of gradient thickness.The area of the pattern 610 being made up of light openings or the light-blocking part of density gradual change in mask plate aligns with even thickness region 606 on base material, and energy emission makes the optionally polymerization of colloid of corresponding part by light openings on mask plate.Adopt the glue-line of solvent wash after energy emission step, make received energy radiation and curing part is stayed on base material, uncured part is removed in the process of solvent wash, forms and comprises the light guide sheet that multi-disc contains gradient thickness region.
Fig. 7 describes that simultaneously make, the example that comprises 9 light guide sheet that contain gradient thickness region.The microstructure area 704 that unit light guide sheet 702 comprises gradient thickness region 703 and density gradual change.
It is worthy of note, transmission region 503 in the plate of cell mask shown in Fig. 5 region, can be the region of whole region printing opacity, or can further comprise complicated pattern in this region, make to should part gradient thickness colloid solidify and solvent wash after, fine structure is contained on surface at gradient thickness solid, to strengthen light-guiding function or to improve light efficiency.
The method for making of the described in the invention light guide sheet that contains gradient thickness region, on light guide sheet base material, by same application step, apply and produce the gradient thickness corresponding with gradient thickness region in light guide sheet and even thickness region and the colloid coating of even thickness; For making the mask plate pattern of light guide sheet of the present invention, the region of containing the transmission region corresponding with gradient thickness region in light guide sheet and even thickness region difference and being formed by light openings or the resistance light pattern of density gradual change; Adopt method as described in Figure 6, obtain by photopolymerizable material in colloid coating simultaneously and accept the light guide sheet gradient thickness region that is solidified to form after energy emission and the microstructure area of density gradual change.
Light guide sheet as shown in Figure 7 can be divided unit light guide sheet to scale off along the interval region 705 and 706 between unit light guide sheet 702 by the mode of cutting.The mode of cutting can adopt laser, machinery or other suitable cutting modes.Fig. 8 is the unit light guide sheet after cutting, and comprises base material 801, gradient thickness region 802 and be positioned at the leaded light microstructure 803 on light guide sheet base material.To cutting of gradient thickness region, comprise along the cutting of thickness maximum position.Cutting along thickness maximum position can be carried out separately in unit light guide sheet from large version light guide sheet is cut, or carries out in the time that unit light guide sheet is cut from large version light guide sheet simultaneously.The end face in the gradient thickness region of the unit light guide sheet obtaining can further carry out polishing or other processing that improves optical property.Suitable finishing method comprises diamond polishing, buffing, flame polish.As the section of unit light guide sheet has reached desired bright and clean degree after cutting, the step of polishing can be saved.
Fig. 9 describes the light source module example that contains light guide sheet 901 of the present invention.In a side in light guide sheet 901 contiguous gradient thickness regions, multiple LED light sources 902 are housed.The light that LED light source 902 sends enters light guide sheet from the side, in light guide sheet gradient thickness region, is transmitted to leaded light microstructure area by the surperficial total reflection of the colloid at light guide sheet substrate surface and after solidifying.Gradient thickness region in light guide sheet, has increased the light sending from LED light source and has entered the coupling area of light guide sheet.Improve the utilization ratio of light.Leaded light microstructure in light guide sheet even thickness region, has destroyed the total reflection condition of light in light guide sheet, makes light leave light guide sheet from correspondence position.In exemplary optical module, 903 has been the prismatic lens of optically focused effect, and as the VikuitiTM product that Minnesota Mining and Manufacturing Company produces, 904 is a diffusion sheet.The light that part is left light guide sheet after prismatic lens 903 and diffusion sheet 904 from the outgoing of light source module; The light that part is left light guide sheet is reflected after sheet 905 reflections, then by light guide sheet 901, and after prismatic lens 903 and diffusion sheet 904 from the outgoing of light source module.
The foregoing is only description the specific embodiment of the present invention, be not limited to the present invention.Within the spirit and principles in the present invention, can there be various modifications and variations, but within all should being included in protection scope of the present invention.
Claims (7)
1. a method of simultaneously making the light guide sheet that multi-disc contains gradient thickness region, is characterized in that, comprises the following steps:
One, provide light guide sheet base material, light guide sheet base material has optical clear characteristic;
Two, adopt same apparatus for coating, in the same application step on light guide sheet base material, apply and produce the colloid coating that contains multiple gradient thickness region and even thickness region, colloid coating contains photopolymerizable material;
Three, designing mask plate, the region that mask plate pattern contains multiple transmission regions corresponding with gradient thickness region in light guide sheet and even thickness region difference and is made up of light openings or the resistance light pattern of density gradual change;
Four, make gradient thickness region alignment in transmission region in cell mask plate region and base material upper glue layer, and even thickness region alignment in the region of the light openings that makes to contain density gradual change in mask plate or resistance light pattern composition and glue-line;
Five, use collimation or approach the energy emission collimating, by mask plate, irradiating the glue-line on base material, optionally solidifying the photopolymerizable material in glue-line; And use the glue-line after solvent wash selectivity is solidified, form by photopolymerizable material in colloid coating simultaneously and accept the light guide sheet gradient thickness region that is solidified to form after energy emission and the microstructure area of density gradual change;
Six, multi-disc light guide sheet is separated.
2. method according to claim 1, is characterized in that: in step 2, adopt the mode of slot coated to be coated with the glue-line that contains gradient thickness region and even thickness region on light guide sheet base material; The mode of described slot coated refers to: coating colloid is deposited in colloid storage tank, by accurate pumping, colloid is supplied to slot coated head; Coating colloid spues from the slit of gap coating head, and meanwhile, slot coated head moves along directions X, makes to be coated with on the surface that colloid covers transparent base, and coating colloid coating area comprises gradient thickness region and even thickness region; Gap between coating colloid coating area, in the time that gap coating head moves to this region, spues from the slit of dispense tip without colloid.
3. method according to claim 2, it is characterized in that: a slot coated reference position is due to locating along " B " of X-axis direction of motion, coating colloid spues from the slit of slot coated head, flow to " A " and locate at-directions X, from position, " B " moves to position " C " and locates slot coated head, by controlling the cephalomotor speed of slot coated and colloid spues from a slot coated slit speed, form and start from the colloid thickness of correspondence position " B ", the gradient thickness region that thickness reduces gradually; The control mode in the gradient thickness region that formation thickness reduces is gradually that the speed that dispense tip slit colloid spues keeps constant, and slot coated head increases gradually along the movement velocity of directions X, when slot coated head moves to position " C ", the speed spuing at slot coated head coating colloid keep constant in, make a slot coated uniform motion to position " C ", form even thickness region.
4. method according to claim 1, is characterized in that: in step 2, adopt the mode of slot coated to be coated with the glue-line that contains gradient thickness region and even thickness region on light guide sheet base material; The mode of described slot coated refers to: slot coated head spues on the slit of coating colloid and is provided with the minizone of multiple filling slits, and coating colloid cannot spue from corresponding filling minizone; Be applied to the glue-line on light guide sheet base material, correspondingly form in the Y direction the interval of intermittence, comprise the interval not covered by glue-line between gradient thickness region and the glue-line in even thickness region and separate.
5. method according to claim 1, it is characterized in that: in step 4, mask plate contains substrate and multiple cell mask plate area of the pattern, cell mask plate district inclusion transmission region and contain density gradual change light openings or resistance light pattern region, cell mask plate region is separated by light-blocking part, in cell mask plate region light openings be coated in base material on the region of gradient thickness corresponding, the area of the pattern being made up of light openings or the light-blocking part of density gradual change in cell mask plate is corresponding with even thickness region on base material.
6. method according to claim 1, it is characterized in that: in step 5, the energy emission of collimation or approximate collimation is ultraviolet light or electron beam, in glue-line, photopolymerizable material is accepted energy emission and solidifies, adopt the glue-line of solvent wash after energy emission step, make received energy radiation and curing part is stayed on base material, uncured part is removed in the process of solvent wash, form the solid area of gradient thickness in the colloid region of gradient thickness, the colloid region of even thickness forms the microstructure area of density gradual change.
7. method according to claim 1, is characterized in that: in step 6, multi-disc light guide sheet is cut unit light guide sheet by the mode of cutting, and the mode of cutting adopts laser, machinery or other suitable cutting modes; To cutting of gradient thickness region, comprise along the cutting of thickness maximum position; Cutting along thickness maximum position can be carried out separately in unit light guide sheet from large version light guide sheet is cut, or carries out in the time that unit light guide sheet is cut from large version light guide sheet simultaneously; The end face in the gradient thickness region of the unit light guide sheet obtaining can further carry out polishing or other processing that improves optical property.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104459874A (en) * | 2014-12-31 | 2015-03-25 | 深圳市华星光电技术有限公司 | Method for manufacturing light guide plate |
| TWI710456B (en) * | 2017-10-30 | 2020-11-21 | 瑩耀科技股份有限公司 | Manufacturing device of gradation type surface light source |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410495A (en) * | 2011-12-07 | 2012-04-11 | 丹阳博昱科技有限公司 | Optical sheet with different orientations of micro structure regions and manufacture method of optical sheet |
| CN102621624A (en) * | 2012-04-24 | 2012-08-01 | 丹阳博昱科技有限公司 | Light guide sheet including optical micro structure and making method |
| CN102681083A (en) * | 2012-05-03 | 2012-09-19 | 丹阳博昱科技有限公司 | Light guide plate with concave microstructure and manufacturing method thereof |
| CN103487874A (en) * | 2013-10-14 | 2014-01-01 | 博昱科技（丹阳）有限公司 | Production method for light guide sheet containing thickness gradually-changing region |
-
2014
- 2014-08-15 CN CN201410405130.3A patent/CN104133344A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410495A (en) * | 2011-12-07 | 2012-04-11 | 丹阳博昱科技有限公司 | Optical sheet with different orientations of micro structure regions and manufacture method of optical sheet |
| CN102621624A (en) * | 2012-04-24 | 2012-08-01 | 丹阳博昱科技有限公司 | Light guide sheet including optical micro structure and making method |
| CN102681083A (en) * | 2012-05-03 | 2012-09-19 | 丹阳博昱科技有限公司 | Light guide plate with concave microstructure and manufacturing method thereof |
| CN103487874A (en) * | 2013-10-14 | 2014-01-01 | 博昱科技（丹阳）有限公司 | Production method for light guide sheet containing thickness gradually-changing region |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104459874A (en) * | 2014-12-31 | 2015-03-25 | 深圳市华星光电技术有限公司 | Method for manufacturing light guide plate |
| WO2016106833A1 (en) * | 2014-12-31 | 2016-07-07 | 深圳市华星光电技术有限公司 | Method for manufacturing light guide plate |
| CN104459874B (en) * | 2014-12-31 | 2018-03-30 | 深圳市华星光电技术有限公司 | A kind of method for manufacturing light guide plate |
| TWI710456B (en) * | 2017-10-30 | 2020-11-21 | 瑩耀科技股份有限公司 | Manufacturing device of gradation type surface light source |
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