CN206733595U - A kind of photocuring 3D printing system - Google Patents
A kind of photocuring 3D printing system Download PDFInfo
- Publication number
- CN206733595U CN206733595U CN201720166332.6U CN201720166332U CN206733595U CN 206733595 U CN206733595 U CN 206733595U CN 201720166332 U CN201720166332 U CN 201720166332U CN 206733595 U CN206733595 U CN 206733595U
- Authority
- CN
- China
- Prior art keywords
- liquid crystal
- photocuring
- substrate
- component
- printing system
- 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
Abstract
The utility model discloses a kind of photocuring 3D printing system, including print components, liquid crystal screen component and backlight assembly, the liquid crystal screen component includes the first substrate of lower surface, the second substrate and liquid crystal material of upper surface, array base palte multilayer film is provided between the first substrate and second substrate, first both alignment layers and the second both alignment layers, the liquid crystal material is encapsulated between first substrate and second substrate, the backlight assembly includes LED light source, leaded light component and backlight membrane material, the backlight membrane material is connected with the first substrate, the LED light source is connected by leaded light component with the backlight membrane material.6 10 times of light utilization efficiency is improved, the luminous power of the ultraviolet source used is reduced, reduces energy consumption, the reliability of LCD 3D printers is enhanced and extends the service life of LCD 3D printers；The face homogeneity in 3D printing time is effectively improved simultaneously, improves 3D printing effect.
Description
Technical field
It the utility model is related to 3D printing technique field, more particularly to a kind of photocuring 3D printing system.
Background technology
3D printing technique is developed so far, and a variety of different manufacturing technologies has occurred.It is wherein representational to have：Raw material are
The Stereolithography technology (stereo lithography apparatus, SLA) of photosensitive resin, raw material are hot-melt resin
Fused Deposition Modeling technology (fused deposition modeling, FDM), raw material swash for the constituency of non-metal powder
Light sintering technology (selective laser sitering, SLS) and the selective laser melting process that raw material are metal dust
(selective laser melting, SLM).Wherein photocuring technology development is earliest, the most ripe.From initially use laser
Vibration mirror scanning technology realize Stereolithography, progressively develop using digital light processing (digital light processing,
DLP) technology and liquid crystal display (liquid crystal display, LCD) new photocuring technology.Liquid crystal display photocuring skill
The high-resolution of the existing DLP photocuring technologies of art, the characteristics of monolayer immobilization time is short, simultaneously because it does not have mechanical shock, again
Avoid in digital micro-mirror work due to the problem of eyeglass offset error causes.Lcd technology mature simultaneously, differentiate
Rate is high, and cost is low, is easily integrated, and is a kind of photocuring technology with wide application prospect and application value.
Although LCD photocuring technologies have many advantages, such as, at present the LCDs that circulates on the market not directed to
3D printing specially designs, and uses and has that light utilization ratio is low, causes to solidify that light source power used is high, caloric value is big, no
Beneficial to integrated.And because intensive ultraviolet can interrupt the chemical bond of long-chain liquid crystal molecule, crack, cause molecules align to become
Difference, therefore UV absorption can influence the photostability and service life of liquid crystal device.In addition strong ultraviolet irradiation can also make liquid crystal device
Part shows resistivity decline, power consumption increase；Irradiation for a long time can decline its threshold value, power consumption increase, show its colour changed into yellow,
Phenomena such as clearing point declines, screen dimmed nigrescence, so as to reduce LCDs performance.Therefore it is necessary in the 3D not sacrificed
While printing light-cured performance, the UV energy that liquid crystal display device is consumed is reduced.This is also LCD-3D printing techniques
Move towards to popularize one of the emphasis to be captured.
As depicted in figs. 1 and 2, a kind of common existing LCD-3D printing optical modules and system architecture, including printing group
Part 100, wherein 101 be photosensitive resin groove, 102 print platform motion structure components, 103 photo-curing materials i.e. photosensitive resin；Liquid
Crystal display screen 200, including first substrate 201, second substrate 207, array base palte multilayer film 202, colored filter (color
Filter, CF, referring to Fig. 2) substrate multilayer film 206, the first both alignment layers 203, the second both alignment layers 205.Liquid crystal material 204 is packed
Between first substrate 201 and second substrate 207.Although being not drawn into Fig. 1, liquid crystal screen component 200 also includes being used for liquid crystal
The periphery sealant of material package and for controlling the thick spacer (spacer) of liquid crystal cell, supporting driving plate etc..Backlight group
Part 300 includes thermal component 301, light source 302, light guide section 303.Although prior art can realize photocuring effect, it is limited
In colored filter (referring to Fig. 2) to the selectivity of wavelength and the uniformity of backlight irradiating liquid crystal screen, its photocuring is not
Ideal, generally it is only capable of obtaining preferable effect in print platform near center location, and ultraviolet light energy consumption is higher, and liquid crystal display holds
Reduction service life easy to aging.If the ultraviolet light that there can be method more effectively to be sent using light source, its uniformity is lifted, then may be used
To greatly enhance light-cured performance and 3D printing effect.
Utility model content
In view of the above-mentioned deficiency that presently, there are, the utility model provides a kind of photocuring 3D printing system, can solve the problem that existing
There is the problem of low LCD-3D printer light utilization efficiencies, high energy consumption, short life.
To reach above-mentioned purpose, embodiment of the present utility model adopts the following technical scheme that：
A kind of photocuring 3D printing system, the photocuring 3D printing system include print components, liquid crystal screen component and the back of the body
Optical assembly, the liquid crystal screen component include first substrate, the second substrate and liquid crystal material of upper surface of lower surface, and described first
Array base palte multilayer film, the first both alignment layers and the second both alignment layers are provided between substrate and second substrate, the liquid crystal material is sealed
Between first substrate and second substrate, the backlight assembly includes LED light source, leaded light component and backlight membrane material, the back of the body
Light membrane material is connected with the first substrate, and the LED light source is connected by leaded light component with the backlight membrane material.
According to one side of the present utility model, the print components include photo-curing material groove, print platform motion knot
Structure component and photo-curing material.
According to one side of the present utility model, the liquid crystal screen component includes being used for all banding frames of liquid crystal material encapsulation
Glue and the spacer for controlling liquid crystal cell thickness.
According to one side of the present utility model, the LED light source is located at the leaded light component side.
According to one side of the present utility model, the LED light source is located at below the leaded light component.
According to one side of the present utility model, the backlight membrane material is the frame of lower diffusion sheet+prismatic lens+upper diffusion sheet
Structure.
According to one side of the present utility model, the backlight membrane material includes polarization type brightness enhancement film.
According to one side of the present utility model, the backlight assembly includes thermal component, the thermal component with it is described
LED light source is connected.
According to one side of the present utility model, the LED light source is the ultraviolet source that can solidify photo-curing material.
According to one side of the present utility model, the photo-curing material is photosensitive resin, and the ultraviolet source wavelength is
405-420nm。
The advantages of the utility model is implemented：Photocuring 3D printing system described in the utility model, including print components, liquid
Brilliant screen assembly and backlight assembly, the liquid crystal screen component include first substrate, the second substrate and liquid crystal of upper surface of lower surface
Material, array base palte multilayer film, the first both alignment layers and the second both alignment layers are provided between the first substrate and second substrate, it is described
Liquid crystal material is encapsulated between first substrate and second substrate, and the backlight assembly includes LED light source, leaded light component and backlight
Membrane material, the backlight membrane material are connected with the first substrate, and the LED light source passes through leaded light component and the backlight membrane material phase
Even.The liquid crystal display driven by using a kind of thin film transistor (TFT) without color filter film is as 3D printing photocuring medium
Exposure switch, realize the light utilization efficiency of 6-10 times of the LCD-3D printers relatively using common color screen LCD.Reduce the purple used
The luminous power of outer light source, reduce energy consumption, enhance the reliability of LCD-3D printers and extend making for LCD-3D printers
Use the life-span.The backlight framework of existing LCD-3D printer classes projecting apparatus is improved simultaneously, using the light source of nearly FPD, effectively
The face homogeneity in 3D printing time is improved, improves 3D printing effect.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme in the embodiment of the utility model, will make below to required in embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the utility model,
For those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Other accompanying drawings.
Fig. 1 is the structural representation of existing LCD-3D print systems described in the utility model；
Fig. 2 is the filter sheet structure schematic diagram of existing LCD-3D print systems described in the utility model；
Fig. 3 is a kind of photocuring 3D printing system structural representation described in the utility model embodiment one；
Fig. 4 is a kind of photocuring 3D printing system structural representation described in the utility model embodiment two.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Embodiment one
As shown in figure 3, a kind of photocuring 3D printing system, the photocuring 3D printing system includes print components 100, liquid
Brilliant screen assembly 200 and backlight assembly 300, the first substrate 201 that the liquid crystal screen component 200 includes lower surface (contain lower polarisation
Piece), the second substrate 207 (containing upper polaroid) and liquid crystal material 204 of upper surface, the first substrate 201 and second substrate 207
Between be provided with array base palte multilayer film 202, the first both alignment layers 203 and the second both alignment layers 205, the liquid crystal material 204 is packed
Between first substrate 201 and second substrate 207, the backlight assembly 300 includes LED light source 301, leaded light component 302 and the back of the body
Light membrane material 303, the backlight membrane material 303 are connected with the first substrate 201, and the LED light source 301 passes through leaded light component 302
It is connected with the backlight membrane material 303.The LED light source 301 is located at the side of leaded light component 302.The display pattern of liquid crystal can
To be common TN (twisted-nematic) pattern, IPS (face internal rotation) pattern, VA (vertical orientation) pattern etc., but liquid crystal display at present
In component and colored filter is not contained.In the present embodiment, the display pattern of liquid crystal is TN (twisted-nematic) mould common at present
Formula, colored filter is not contained in liquid crystal screen component.Liquid crystal screen dimensions and resolution ratio select 7 cun of 1024*768 resolution ratio, printing
The size of component, the size of print platform and the liquid crystal screen dimensions are supporting.Liquid crystal screen component, each of which pixel are driven by TFT
, by the use of LCD liquid crystal display screen as the photocuring photoswitch that can put control, to control to the photosensitive resin on photocuring platform
Expose position.The liquid crystal display is free of colored filter, and relative to the liquid crystal display containing colored filter, it is to ultraviolet light transmission
Lifting come from two aspect.First, the conventional liquid crystal display containing colored filter is designed to show colour picture
, each of which pixel contains three sub-pixels of RGB, and the color of sub-pixel is to be filtered to get by the color blocking layer of colored filter
's.Because light source used in LCD-3D printers is typically ultraviolet source, thus its red green sub-pixel can not cause it is ultraviolet
Light passes through.Using the liquid crystal screen component without colored filter due to the presence of the concept of no red green sub-pixel, therefore accordingly
Point cause, you can to lift light efficiency to 3 times.Second, the peak value of conventional liquid crystal display its blue subpixels containing colored filter
The ultraviolet peak wavelength that light transmitting wavelength generally uses with photocuring mismatches.The mismatch causes the loss of uv transmittance
Often more than 50%.Using the liquid crystal screen component without colored filter due to the presence of no blue subpixels, therefore accordingly
Point cause, can lift light efficiency to more than 2 times again.In summary two aspect, can totally lift light efficiency more than 6 times.
In actual applications, the print components include photo-curing material groove 101, print platform motion structure component 102
With photo-curing material 103.The photo-curing material typically uses photosensitive resin.The light that LED light source 301 is sent passes through leaded light component
302 even light mixings, then it is incident to liquid by 303 further mixed light of backlight membrane material and after being lifted out light directionality and emitting brightness
Crystalline substance screen, photocuring is carried out to photosensitive resin material.
In actual applications, the liquid crystal screen component includes being used for the periphery sealant of liquid crystal material encapsulation and for controlling
The thick spacer of liquid crystal cell processed.
In actual applications, the backlight membrane material 303 can use LCD backlight various matched combineds of the prior art
Mode, for example with the framework of lower diffusion sheet+prismatic lens+upper diffusion sheet, polarization type brightness enhancement film (DBEF) lifting can also be increased
Brightness, further reduce energy consumption film.Polarization type brightness enhancement film (DBEF) layer in backlight membrane material can use various in the prior art
Common reflective polaroid model, can also be integrated into the down polaroid of LCD display.
In actual applications, the backlight assembly includes thermal component, and the thermal component is connected with the LED light source.
In actual applications, the LED light source is the ultraviolet source that can solidify photo-curing material.Including various encapsulation
Ultraviolet LED, can be top it is emitting led can also be that side is emitting led.Preferable ultraviolet LED light source wavelength is 405-420nm.
It is selectively wavelength 405nm ultraviolet source in the present embodiment.
In actual applications, the photo-curing material is photosensitive resin.The leaded light component can with acrylic (PMMA),
The lucite such as PC, CR39.
Operation principle is as follows：The light of 405nm wavelength as required for LED light source sends photocuring, light first pass through after sending
Leaded light component carries out merging even light mixing, then passes through the further mixed light of reflection diaphragm group again and is lifted out light directionality and goes out
Liquid crystal display is incident to after brightness.Most it is irradiated to afterwards through liquid crystal display on photosensitive resin material to be solidified.Each layer of solidification is completed
Afterwards, print platform motion structure component can be lifted up, and photosensitive resin fills below print platform again, print platform again under
Drop to one layer of height to be again turned on light source assembly and open liquid crystal display progress photocuring, circulation successively solidifies each layer, realized
Photocuring 3D printing.
Embodiment two
As shown in figure 4, a kind of photocuring 3D printing system, the photocuring 3D printing system includes print components 100, liquid
Brilliant screen assembly 200 and backlight assembly 300, the first substrate 201 that the liquid crystal screen component 200 includes lower surface (contain lower polarisation
Piece), the second substrate 207 (containing upper polaroid) and liquid crystal material 204 of upper surface, the first substrate 201 and second substrate 207
Between be provided with array base palte multilayer film 202, the first both alignment layers 203 and the second both alignment layers 205, the liquid crystal material 204 is packed
Between first substrate 201 and second substrate 207, the backlight assembly 300 includes LED light source 301, leaded light component 302 and the back of the body
Light membrane material 303, the backlight membrane material 303 are connected with the first substrate 201, and the LED light source 301 passes through leaded light component 302
It is connected with the backlight membrane material 303.The LED light source 301 is positioned at the lower section of leaded light component 302.The display pattern of liquid crystal can
To be common TN (twisted-nematic) pattern, IPS (face internal rotation) pattern, VA (vertical orientation) pattern etc., but liquid crystal display at present
In component and colored filter is not contained.In the present embodiment, the display pattern of liquid crystal is VA (vertical orientation) mould common at present
Formula, colored filter is not contained in liquid crystal screen component.Liquid crystal screen dimensions and resolution ratio select 5.5 cun of 2560*1440 resolution ratio, beat
The size, the size of print platform and the liquid crystal screen dimensions for printing component are supporting.Liquid crystal screen component, each of which pixel are driven by TFT
Dynamic, by the use of LCD liquid crystal display screen as the photocuring photoswitch that can put control, to control to the photosensitive resin on photocuring platform
Exposure position.The liquid crystal display is free of colored filter, and relative to the liquid crystal display containing colored filter, it is to ultraviolet light transmission
The lifting of rate comes from two aspects.First, the conventional liquid crystal display containing colored filter is set to show colour picture
Meter, each of which pixel contains three sub-pixels of RGB, and the color of sub-pixel is filtered by the color blocking layer of colored filter
Come.Because light source used in LCD-3D printers is typically ultraviolet source, therefore its red green sub-pixel can not cause purple
Outer light passes through.Using the liquid crystal screen component without colored filter due to the presence of the concept of no red green sub-pixel, therefore evidence
This cause, you can to lift light efficiency to 3 times.Second, the peak of conventional liquid crystal display its blue subpixels containing colored filter
It is worth the ultraviolet peak wavelength that light transmitting wavelength generally uses with photocuring to mismatch.The mismatch causes the damage of uv transmittance
It is not normal more than 50%.Using the liquid crystal screen component without colored filter due to the presence of no blue subpixels, therefore evidence
This cause, light efficiency can be lifted again to more than 2 times.In summary two aspect, can totally lift light efficiency more than 6 times.
In actual applications, the print components include photo-curing material groove 101, print platform motion structure component 102
With photo-curing material 103.The photo-curing material typically uses photosensitive resin.The light that LED light source 301 is sent passes through leaded light component
302 even light mixings, then it is incident to liquid by 303 further mixed light of backlight membrane material and after being lifted out light directionality and emitting brightness
Crystalline substance screen, photocuring is carried out to photosensitive resin material.
In actual applications, the liquid crystal screen component includes being used for the periphery sealant of liquid crystal material encapsulation and for controlling
The thick spacer of liquid crystal cell processed.
In actual applications, the backlight membrane material 303 can use LCD backlight various matched combineds of the prior art
Mode, for example with the framework of lower diffusion sheet+prismatic lens+upper diffusion sheet, polarization type brightness enhancement film (DBEF) lifting can also be increased
Brightness, further reduce energy consumption film.Polarization type brightness enhancement film (DBEF) layer in backlight membrane material can use various in the prior art
Common reflective polaroid model, can also be integrated into the down polaroid of LCD display.
In actual applications, the backlight assembly includes thermal component, and the thermal component is connected with the LED light source.
In actual applications, the LED light source is the ultraviolet source that can solidify photo-curing material.Including various encapsulation
Ultraviolet LED, can be top it is emitting led can also be that side is emitting led.Preferable ultraviolet LED light source wavelength is 405-420nm.
It is selectively wavelength 415nm ultraviolet source in the present embodiment.
In actual applications, the photo-curing material is photosensitive resin.The leaded light component can with acrylic (PMMA),
The lucite such as PC, CR39.
Operation principle is as follows：As the light of the 415nm wavelength required for LED light source sends photocuring, light first passes through after sending
Cross leaded light component carry out merge even light mixing, then again by the further mixed light of reflection diaphragm group and be lifted out light directionality and
Liquid crystal display is incident to after emitting brightness.Most it is irradiated to afterwards through liquid crystal display on photosensitive resin material to be solidified.Each layer has solidified
Cheng Hou, print platform motion structure component can be lifted up, and photosensitive resin fills below print platform again, and print platform is again
Drop to one layer of height to be again turned on light source assembly and open liquid crystal display progress photocuring, circulation successively solidifies each layer, real
Existing photocuring 3D printing.
The advantages of the utility model is implemented：Photocuring 3D printing system described in the utility model, including print components, liquid
Brilliant screen assembly and backlight assembly, the liquid crystal screen component include first substrate, the second substrate and liquid crystal of upper surface of lower surface
Material, array base palte multilayer film, the first both alignment layers and the second both alignment layers are provided between the first substrate and second substrate, it is described
Liquid crystal material is encapsulated between first substrate and second substrate, and the backlight assembly includes LED light source, leaded light component and backlight
Membrane material, the backlight membrane material are connected with the first substrate, and the LED light source passes through leaded light component and the backlight membrane material phase
Even.The liquid crystal display driven by using a kind of thin film transistor (TFT) without color filter film is as 3D printing photocuring medium
Exposure switch, realize the light utilization efficiency of 6-10 times of the LCD-3D printers relatively using common color screen LCD.Reduce the purple used
The luminous power of outer light source, reduce energy consumption, enhance the reliability of LCD-3D printers and extend making for LCD-3D printers
Use the life-span.The backlight framework of existing LCD-3D printer classes projecting apparatus is improved simultaneously, using the light source of nearly FPD, effectively
The face homogeneity in 3D printing time is improved, improves 3D printing effect.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any those skilled in the art is in the change that in technical scope, can be readily occurred in disclosed in the utility model
Change or replace, should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with described
Scope of the claims is defined.
Claims (10)
1. a kind of photocuring 3D printing system, it is characterised in that the photocuring 3D printing system includes print components, liquid crystal display
Component and backlight assembly, the liquid crystal screen component include first substrate, the second substrate and liquid crystal material of upper surface of lower surface,
Array base palte multilayer film, the first both alignment layers and the second both alignment layers, the liquid crystal are provided between the first substrate and second substrate
Material is encapsulated between first substrate and second substrate, and the backlight assembly includes LED light source, leaded light component and backlight film
Material, the backlight membrane material are connected with the first substrate, and the LED light source is connected by leaded light component with the backlight membrane material.
2. photocuring 3D printing system according to claim 1, it is characterised in that the print components include photocuring material
Hopper, print platform motion structure component and photo-curing material.
3. photocuring 3D printing system according to claim 1, it is characterised in that the liquid crystal screen component includes being used for liquid
The periphery sealant of brilliant material package and the spacer for controlling liquid crystal cell thickness.
4. photocuring 3D printing system according to claim 1, it is characterised in that the LED light source is located at the leaded light
Component side.
5. photocuring 3D printing system according to claim 1, it is characterised in that the LED light source is located at the leaded light
Below component.
6. photocuring 3D printing system according to claim 1, it is characterised in that the backlight membrane material be lower diffusion sheet+
The framework of prismatic lens+upper diffusion sheet.
7. photocuring 3D printing system according to claim 6, it is characterised in that the backlight membrane material increases including polarization type
Bright film.
8. the photocuring 3D printing system according to one of claim 1 to 7, it is characterised in that the backlight assembly includes
Thermal component, the thermal component are connected with the LED light source.
9. photocuring 3D printing system according to claim 2, it is characterised in that the LED light source is that can consolidate light
Change the ultraviolet source of material solidification.
10. photocuring 3D printing system according to claim 9, it is characterised in that the photo-curing material is photosensitive tree
Fat, the ultraviolet source wavelength are 405-420nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720166332.6U CN206733595U (en) | 2017-02-23 | 2017-02-23 | A kind of photocuring 3D printing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720166332.6U CN206733595U (en) | 2017-02-23 | 2017-02-23 | A kind of photocuring 3D printing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206733595U true CN206733595U (en) | 2017-12-12 |
Family
ID=60556441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720166332.6U Active CN206733595U (en) | 2017-02-23 | 2017-02-23 | A kind of photocuring 3D printing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206733595U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108681130A (en) * | 2018-07-20 | 2018-10-19 | 天马微电子股份有限公司 | 3D printing device and 3D printing method |
| CN110625930A (en) * | 2018-06-21 | 2019-12-31 | 中南大学 | A fast photocuring LCD 3D printer |
| CN110824860A (en) * | 2019-11-14 | 2020-02-21 | 南京特斯富电子有限公司 | Liquid crystal imaging photoetching device |
| CN112946950A (en) * | 2021-04-13 | 2021-06-11 | 中南大学 | Ultraviolet screen and photocuring 3D printer |
-
2017
- 2017-02-23 CN CN201720166332.6U patent/CN206733595U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110625930A (en) * | 2018-06-21 | 2019-12-31 | 中南大学 | A fast photocuring LCD 3D printer |
| CN108681130A (en) * | 2018-07-20 | 2018-10-19 | 天马微电子股份有限公司 | 3D printing device and 3D printing method |
| CN110824860A (en) * | 2019-11-14 | 2020-02-21 | 南京特斯富电子有限公司 | Liquid crystal imaging photoetching device |
| CN112946950A (en) * | 2021-04-13 | 2021-06-11 | 中南大学 | Ultraviolet screen and photocuring 3D printer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206733595U (en) | A kind of photocuring 3D printing system | |
| CN102023406B (en) | Liquid crystal display panel and method for producing same | |
| US9442343B2 (en) | Electronic paper display device | |
| KR101969462B1 (en) | Photoluminescent display device and method for manufacturing the same | |
| CN108466427A (en) | A kind of photocuring 3D printing optical module and photocuring 3D printing system | |
| CN105404047A (en) | COA type LCD panel manufacturing method and COA type LCD panel | |
| JP2013015812A (en) | Liquid crystal display panel including photoconversion layer and liquid crystal display device | |
| CN107092125B (en) | Liquid crystal display device having a plurality of pixel electrodes | |
| CN110908163A (en) | Display panel and preparation method thereof | |
| CN106444127B (en) | Flexible liquid crystal display and preparation method thereof | |
| CN110007508A (en) | Color membrane substrates, liquid crystal display panel and liquid crystal display device | |
| CN103901669B (en) | Liquid crystal display panel | |
| CN104155796A (en) | Liquid crystal display panel structure and manufacturing method thereof | |
| CN108831317B (en) | Display device and method for manufacturing the same | |
| CN107450218B (en) | Photoluminescence display device and method of manufacturing the same | |
| CN105676543A (en) | Method of fabricating liquid crystal display device | |
| CN109031507A (en) | Light guide plate and its manufacturing method, backlight module and display device | |
| TW201514597A (en) | Reflective display apparatus and manufacturing method of reflective display apparatus | |
| CN101697021A (en) | Chromatic optical filter with polarization function based on one-dimensional metal photon crystals | |
| CN106773263A (en) | Display panel and its manufacture method, display device | |
| CN104765193A (en) | Color filter, manufacturing method thereof, array substrate and display device | |
| CN114509895B (en) | Backlight module, preparation method thereof and display device | |
| EP2722709B1 (en) | Color filter substrate, liquid crystal panel, and liquid crystal display device | |
| CN106646991A (en) | Liquid crystal display panel and manufacturing method thereof | |
| CN111073664A (en) | Liquid crystal material, preparation method of liquid crystal display panel and display panel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |