CN203766034U - Light source device used for 3D printer and 3D printer - Google Patents
Light source device used for 3D printer and 3D printer Download PDFInfo
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- CN203766034U CN203766034U CN201420166659.XU CN201420166659U CN203766034U CN 203766034 U CN203766034 U CN 203766034U CN 201420166659 U CN201420166659 U CN 201420166659U CN 203766034 U CN203766034 U CN 203766034U
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Abstract
The utility model discloses a light source device used for a 3D printer and the 3D printer. The 3D printer (1000) comprises a supporting body (300) used for supporting photosensitive resin (400), an imaging component (200) used for displaying a two-dimensional image in a light permeable manner, and a light source device (100) used for emitting light which passes through an area corresponding to the two-dimensional image to enable the photosensitive resin to produce photopolymerization reaction for curing and forming, wherein the imaging component (200) is positioned between the light source device (100) and the supporting body (300), and the light source device (100) is an area light source and comprises multiple light emitting units (130). The light source device disclosed by the utility model is the area light source, and light rays emitted by the light source device uniformly pass through the area corresponding to the two-dimensional image to enable the photosensitive resin to produce photopolymerization reaction for curing and forming, so as to effectively avoid the curing of photosensitive resin which can not be cured.
Description
Technical field
The utility model belongs to 3D printing technique field, is specifically related to a kind of light supply apparatus for 3D printer and 3D printer.
Background technology
3D printing technique is the development of the multinomial technology such as CAD (CAD), computer-aided manufacturing (CAM), computer numerical control (CNC) (CNN), laser, new material, elaborate servo and comprehensive.Known RP (Rapid Prototyping: rapid shaping) method comprises SLA (Stereo Lithography Apparatus: cubic light is solidified moulding), LOM (Laminated Object Manufacturing: laminated solid body manufacture), SLS (Selective Laser Sintering: selective laser sintering), FDM (Fused Deposition Modeling: fusion sediment moulding), 3DP (Three Dimension Printing: 3 D-printing), and SGC (Solid Ground Curing: Gu the photosensitive liquid phase of base).
In 3D printing technique, that development is very fast, application is wider is SLA (Stereo Lithography Apparatus: cubic light is solidified moulding).The principle of the Stereolithography of SLA is: the light that light source sends is through the two dimensional image (transmission region) on image-forming block, irradiate light-sensitive material, utilize the photosensitive resin of fluid state to issue the feature of third contact of a total solar or lunar eclipse polymerisation in illumination, make the photosensitive resin curing molding of fluid state.After one deck has scanned, then carry out the scanning of lower one deck, new curing one deck is bonded on front one deck securely, so repeats until whole part is manufactured complete.But current light source is independent spot light, the light sending is comparatively spuious.Spuious light sees through image-forming block solidifies the photosensitive resin that this should be not curing.
Utility model content
The purpose of this utility model is, a kind of light supply apparatus for 3D printer is provided, and this light supply apparatus is area source, and the light that light supply apparatus sends is more even.
The utility model is achieved through the following technical solutions: a kind of light supply apparatus for 3D printer, and described light supply apparatus is area source, and described light supply apparatus comprises multiple luminescence units, and described multiple array of light emitting cells are arranged.
As the further improvement of technique scheme, described light supply apparatus comprises the photochopper that absorbs spurious rays, and photochopper is positioned in the light path of described multiple luminescence units.
As the further improvement of technique scheme, described light supply apparatus also comprises the light source control unit of lighting and extinguishing for controlling described multiple luminescence units, and light source control unit and described multiple luminescence unit are electrically connected.
As the further improvement of technique scheme, each luminescence unit of described multiple luminescence units includes at least one illuminator and collimater, and described collimater is transformed into for the diverging light that described at least one illuminator is sent the light being substantially parallel to each other.
As the further improvement of technique scheme, described collimater is speculum or lens.
As the further improvement of technique scheme, described collimater is concave mirror or pyramidal surface speculum.
As the further improvement of technique scheme, described collimater is convex lens or Fresnel lens.
As the further improvement of technique scheme, each luminescence unit of described multiple luminescence units includes LED, and the light wavelength that each luminescence unit sends is 250nm to 700nm.
As the further improvement of technique scheme, the light wavelength that each luminescence unit sends is 350nm to 500nm.
The utility model also provides a kind of 3D printer, described 3D printer comprise supporting body for carrying photosensitive resin, for represent the image-forming block of two dimensional image with the form of printing opacity and for sending through the corresponding region of described two dimensional image so that described photosensitive resin generation photopolymerization reaction and the light supply apparatus of curing molding, image-forming block is between light supply apparatus and supporting body, and described light supply apparatus is the above-mentioned light supply apparatus for 3D printer.
The beneficial effects of the utility model are: light supply apparatus of the present utility model is area source, its light sending is more even, that is: the light that light supply apparatus sends is evenly through the corresponding region of described two dimensional image, make described photosensitive resin generation photopolymerization reaction and curing molding, can effectively avoid the photosensitive resin that this should be not curing to solidify.
Brief description of the drawings
Fig. 1 is according to the schematic diagram of the light supply apparatus for 3D printer of an embodiment of the present utility model;
Fig. 2 is according to the schematic diagram of the light supply apparatus for 3D printer of another embodiment of the present utility model;
Fig. 3 is according to being deconstructed into schematic diagram dividing of the 3D printer of an embodiment of the present utility model;
Fig. 4 is according to being deconstructed into schematic diagram dividing of the 3D printer of another embodiment of the present utility model;
Fig. 5 is the formation concept map according to the light supply apparatus for 3D printer of an embodiment of the present utility model;
Fig. 6 is illustrated in the schematic diagram that the form with printing opacity on image-forming block represents X-Y scheme;
Fig. 7 is according to the formation schematic diagram of the luminescence unit of the light supply apparatus for 3D printer of an embodiment of the present utility model;
Fig. 8 is according to the formation schematic diagram of the luminescence unit of the light supply apparatus for 3D printer of another embodiment of the present utility model;
Fig. 9 is according to the formation schematic diagram of the luminescence unit of the light supply apparatus for 3D printer of an embodiment more of the present utility model;
Figure 10 is according to the formation schematic diagram of the luminescence unit of the light supply apparatus for 3D printer of another embodiment of the present utility model;
Figure 11 is according to the flow chart of the 3D Method of printing of an embodiment of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is further detailed.
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment being described with reference to the drawings, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.On the contrary, embodiment of the present utility model comprises all changes, amendment and the equivalent within the scope of spirit and the intension that falls into additional claims.In addition, in description of the present utility model, term " area source " refers to that the light sending is parallel to each other or connects subparallel light source.In one embodiment, " area source " refers to by multiple luminescence units and is uniformly distributed the illuminator in one plane forming.
As shown in Figures 1 to 4,3D printer 1000 comprises supporting body 300 for carrying photosensitive resin 400, for representing the image-forming block 200 of two dimensional image with the form of printing opacity and for sending through the corresponding region of described two dimensional image (example is two dimensional image region 240 as shown in Figure 6) so that described photosensitive resin 400 photopolymerization reaction occurs and the light supply apparatus 100 of curing molding, in the present embodiment, described light supply apparatus 100 is area source.Thus, the light that light supply apparatus 100 sends evenly, through the corresponding region of described two dimensional image, makes described photosensitive resin 400 photopolymerization reaction occur and curing molding, can effectively avoid the photosensitive resin that this should be not curing to solidify.
In the utility model, described light supply apparatus 100 comprises multiple luminescence units 130.Multiple luminescence unit 130 array arrangements.Wherein, the quantity of luminescence unit 130 can be determined according to the meticulous requirement of Stereolithography.The quantity of the fineness of Stereolithography and luminescence unit 130 is in direct ratio.In the present embodiment, the quantity of luminescence unit 130 is preferably more than 100, and the quantity of luminescence unit 130 is more preferably more than 1000.
Under the assembled state of the 3D of the present embodiment printer 1000, light supply apparatus 100, image-forming block 200 and supporting body 300 be laminating successively on above-below direction, compact conformation.Image-forming block 200 is between light supply apparatus 100 and supporting body 300.The light that light supply apparatus 100 sends arrives at supporting body 300 through image-forming block 200.
And described image-forming block 200 can be monochromatic TFT LCDs or colored TFT(Thin Film Transistor) LCDs.TFT LCDs has advantages of at a high speed, high brightness, high-contrast.Certainly, the utility model is not limited to this, the LCDs that described image-forming block 200 also can other kinds, for example torsional mode nematic (Twisted Nematic; TN) LCDs, super torsional mode nematic (Super Twisted Nematic; STN) LCDs.
Described image-forming block 200 has imaging drive control module 220.Imaging drive control module 220 drives each pixel of described image-forming block 200, shows desirable two dimensional image.The corresponding region of two dimensional image is transparent region.Light can pass the corresponding region of two dimensional image.And light can not be through the region outside the corresponding region of two dimensional image.
As shown in Figure 6, in the time need to forming the layer of a vase shape, imaging drive control module 220 drives each pixel of described image-forming block 200, shows the two dimensional image (image that two dimensional image region 240 is represented) of vase shape.Two dimensional image region 240 is light transmission state, and region 230 outside two dimensional image region 240 is light tight state.The light that light supply apparatus 100 sends evenly, through two dimensional image region 240, makes described photosensitive resin 400 photopolymerization reaction occur and curing molding, forms the layer of a vase shape.
In addition, as shown in Figures 3 and 4, supporting body 300 comprises support 310 and is fixed on the transparent membrane 320 on described support 310.Transparent membrane 320 can be fixed on support 310 with various connected modes.Transparent membrane 320 is for example flexible and transparent resin or hard glass.Under the assembled state of 3D printer 1000, the transparent membrane 320 of light supply apparatus 100, image-forming block 200 and supporting body 300 is laminating successively on above-below direction, compact conformation.
In the present embodiment, described light supply apparatus 100 also comprises the photochopper 136C that absorbs spurious rays, as shown in Figure 9.Thus, can be by photochopper be set, block and absorb a part of veiling glare, further effectively avoid the photosensitive resin that this should be not curing to solidify.Photochopper 136C can be placed on the inside of compartment 131.Photochopper 136C also can be placed on the outside of compartment 131.
Shown in Fig. 2 and Fig. 5, in the present embodiment, described light supply apparatus 100 has framework 120.As shown in Figure 5, multiple luminescence units 130 are formed in each compartment (compartment) 131 of framework 120.Although in Fig. 5, multiple luminescence units 130 are arranged in 5 row 14 and are listed as, the line number that in fact multiple luminescence units 130 are arranged may be much larger than 5, and columns may be much larger than 14.
In the present embodiment, described light supply apparatus 100 also comprises the light source control unit of lighting and extinguishing 110 for controlling described multiple luminescence unit 130.Light source control unit 110 is electrically connected with described multiple luminescence units 130.Light source control unit 110 is for controlling each luminescence unit of multiple luminescence units 130.Thus, can control by light source control unit 110 each luminescence unit of multiple luminescence units 130, the luminescence unit under two dimensional image that only image-forming block 200 represents is lighted, and other luminescence units outside under two dimensional image extinguish.Like this, the amount of veiling glare can be can further reduced on the one hand, electric power can be saved on the one hand.
In embodiment illustrated in fig. 2, each luminescence unit of described multiple luminescence units 130 includes at least one illuminator (emitter) 132 and collimater (collimiter) 134.Wherein, broad understanding should be made in term " collimater ", and it means diverging light to be transformed into any device or any combination of devices that connect subparallel light (uniform light being substantially parallel to each other).
Wherein, collimater 134 can be speculum or lens.For example, in the situation that collimater 134 is speculum, described collimater 134 can be concave mirror or spherical reflector.And in the situation that collimater 134 is lens, described collimater 134 can convex lens or Fresnel lens.But the invention is not restricted to this, collimater 134 can be other suitable device or structures.
Thus, diverging light illuminator 132 being sent by collimater 134 is transformed into and connects subparallel light, further effectively avoids the photosensitive resin that this should be not curing to solidify.Although in the present embodiment, illuminator 132 and collimater 134 are all positioned at each compartment 131 of framework 120, the utility model is not limited to this, and for example collimater 134 can be placed on the outside of compartment 131.In addition, the internal perisporium of each compartment 131 can be used as collimater and plays a role, and diverging light is transformed into and connects subparallel light, makes photosensitive resin generation photopolymerization reaction and the effect of curing molding is better, and compact conformation, is suitable for the miniaturization of light solidifying quick forming device.In addition, although in the present embodiment, a corresponding collimater 134 of illuminator 132, the utility model is not limited to this, the corresponding collimater 134 of for example multiple illuminators, or the corresponding collimater 134 of whole illuminators.
Fig. 4 has shown according to the decomposing state of the 3D printer 1000C of another embodiment of the present utility model.This embodiment is the modified embodiment based on embodiment illustrated in fig. 3, omits being described with identical part embodiment illustrated in fig. 3.
In the present embodiment, 3D printer 1000C also comprises Lift Part 500, control module 600 and computer 700.Wherein, after photosensitive resin 400 curing moldings of the fluid state in described supporting body 300, Lift Part 500 by the part of curing molding upwards (away from the direction of described light supply apparatus 100) promote specified gap, in the photosensitive resin of new fluid state flows into this specified gap time, Lift Part 500 makes the part of curing molding drop to the position of regulation, then carries out solidifying of lower one deck.In the present embodiment, control module 600 is connected with imaging drive control module 220, light source control unit 110 and computer 700.By computer 700, light supply apparatus 100, image-forming block 200, Lift Part 500 are unified to control.Certainly, the utility model is not limited to this, and for example computer 700 can be embedded chip.Or control module 600, imaging drive control module 220 and light source control unit 110 are integrated on a control chip.
Below in conjunction with Fig. 7 to Figure 10, the specific embodiment of luminescence unit is described.
In the embodiment shown in fig. 7, luminescence unit 130A comprises illuminator 132A and lens 134A.The effect of lens 134A performance collimater.Wherein, lens 134A can be convex lens or Fresnel lens.Convex lens or Fresnel lens are easily buied and are customized.For example can, by lens 134A being integrated in to the top of compartment 131, can effectively diverging light be transformed into and connect subparallel light, and simple in structure, be suitable for industrialization.
In the embodiment shown in fig. 8, luminescence unit 130B comprises illuminator 132B and speculum 134B.The effect of speculum 134B performance collimater.Wherein, speculum 134B is concave mirror.Speculum 134B can integratedly be arranged on the light path rear of illuminator 132B, for example, for example, on the illuminator installed surface (LED lamp plate) of the bottom of compartment 131, the luminescence unit of this structure can effectively be transformed into diverging light and connect subparallel light, and simple in structure, saving space, is conducive to light solidifying quick forming device miniaturization.
In the embodiment shown in fig. 9, luminescence unit 130C comprises illuminator 132C, speculum 133C, lens 134C and photochopper 136C.Speculum 133C, lens 134C and photochopper 136C combine and bring into play the effect of collimater.Wherein, speculum 133C is spherical reflector.Lens 134C can be convex lens.The centre of photochopper 136C offers the window of suitable shape.Photochopper 136C is for example extinction fiber cloth.Wherein, illuminator 132C, speculum 133C, lens 134C and photochopper 136C are all arranged in compartment 131.The luminescence unit of this structure can effectively be transformed into diverging light to connect subparallel light, makes photosensitive resin generation photopolymerization reaction and the effect of curing molding is better.
Wherein, in the embodiment shown in fig. 9, photochopper 136C is arranged in compartment 131, a corresponding illuminator 132C of photochopper 136C.But photochopper 136C can be arranged on outside compartment 131, the corresponding multiple illuminator 132C of photochopper 136C or all illuminator 132C.
In the embodiment shown in fig. 10, luminescence unit 130D comprises illuminator 132D and speculum 134D.The effect of speculum 134D performance collimater.Wherein, speculum 134D is pyramidal surface transmitting mirror.Wherein, pyramidal surface transmitting mirror 134D can be integrated on the internal perisporium of compartment 131.For example, the inner peripheral surface of compartment 131 is pyramidal surface.Further, on the inner peripheral surface of compartment 131, apply reflectance coating.Therefore, speculum 134D is that the technical scheme of pyramidal surface transmitting mirror is particularly preferred.The luminescence unit of this structure can effectively be transformed into diverging light to connect subparallel light, makes photosensitive resin generation photopolymerization reaction and the effect of curing molding is better.And compact conformation, saving space, be conducive to light solidifying quick forming device miniaturization.
In above embodiment, each luminescence unit of described multiple luminescence units 130 includes LED.And the light wavelength that each luminescence unit sends is 250nm to 700nm.Preferably, the light wavelength that each luminescence unit sends is 350nm to 500nm.Luminescence unit 130 is for example ultraviolet leds, blue-ray LED, green light LED, green light LED, yellow light LED, orange light LED, red-light LED or white light LEDs.
As shown in figure 11, the utility model also provides a kind of 3D Method of printing.This 3D Method of printing adopts 3D printer described herein.Described 3D Method of printing comprises the following steps:
S101: to the photosensitive resin 400 of the interior injection fluid state of supporting body 300;
S102: the form with printing opacity represents X-Y scheme on image-forming block 200;
S103: light the luminescence unit 130 of the light supply apparatus 100 of area source form, make light irradiate the photosensitive resin in supporting body 300 through the light transmission part of image-forming block 200, make photosensitive resin form a cured layer;
S104: judge whether that all cross sections have completed moulding, if finish, otherwise enter S105;
S105: promote curing part by Lift Part 500, and repeat S102, S103 and S104.In S105, after photosensitive resin 400 curing moldings of the fluid state in described supporting body 300, Lift Part 500 can by the part of curing molding upwards (away from the direction of described light supply apparatus) promote specified gap, in the photosensitive resin of new fluid state flows into this specified gap time, Lift Part 500 makes the part of curing molding drop to the position of regulation, then carries out solidifying of lower one deck.
3D printer of the present utility model and 3D Method of printing go for processing two dimension or the three-dimensional structure of various materials.And the light path part of 3D printer of the present utility model is only made up of image-forming block and light supply apparatus, position relationship is simple, simple for structure, and number of components is few, has reduced volume and the cost of 3D printer.In addition, the image-forming block that 3D printer of the present utility model adopts is for laser galvanometer or projecting apparatus, and cost of manufacture is low, use material is few.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present utility model and aim, can carry out multiple variation, amendment, replacement and modification to these embodiment, scope of the present utility model is limited by claim and equivalent thereof.
Claims (9)
1. the light supply apparatus for 3D printer, it is characterized in that, described light supply apparatus (100) is area source, described light supply apparatus (100) comprises multiple luminescence units (130), described multiple luminescence unit (130) array arrangement, described light supply apparatus (100) also comprises the light source control unit of lighting and extinguishing (110) for controlling described multiple luminescence unit (130), and light source control unit (110) is electrically connected with described multiple luminescence units (130).
2. the light supply apparatus for 3D printer according to claim 1, it is characterized in that, described light supply apparatus (100) comprises the photochopper (136C) for absorbing spurious rays, and photochopper (136C) is positioned in the light path of described multiple luminescence unit (130).
3. the light supply apparatus for 3D printer according to claim 1, it is characterized in that, each luminescence unit of described multiple luminescence unit (130) includes at least one illuminator (132) and collimater (134), and described collimater (134) is transformed into for the diverging light that described at least one illuminator (132) is sent the light being substantially parallel to each other.
4. the light supply apparatus for 3D printer according to claim 3, is characterized in that, described collimater (134) is speculum or lens.
5. the light supply apparatus for 3D printer according to claim 3, is characterized in that, described collimater (134) is concave mirror or pyramidal surface speculum.
6. the light supply apparatus for 3D printer according to claim 3, is characterized in that, described collimater (134) is convex lens or Fresnel lens.
7. according to the light supply apparatus for 3D printer described in claim 1 to 6 any one, it is characterized in that, each luminescence unit of described multiple luminescence units (130) includes LED, and the light wavelength that each luminescence unit sends is 250nm to 700nm.
8. the light supply apparatus for 3D printer according to claim 7, is characterized in that, the light wavelength that each luminescence unit sends is 350nm to 500nm.
9. a 3D printer, it is characterized in that, described 3D printer (1000) comprises the supporting body (300) for carrying photosensitive resin (400), for represent the image-forming block (200) of two dimensional image with the form of printing opacity and for sending through the corresponding region of described two dimensional image so that there is photopolymerization reaction and the light supply apparatus (100) of curing molding in described photosensitive resin (400), image-forming block (200) is positioned between light supply apparatus (100) and supporting body (300), described light supply apparatus (100) is the light supply apparatus for 3D printer described in claim 1 to 8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420166659.XU CN203766034U (en) | 2014-04-09 | 2014-04-09 | Light source device used for 3D printer and 3D printer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420166659.XU CN203766034U (en) | 2014-04-09 | 2014-04-09 | Light source device used for 3D printer and 3D printer |
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| CN201420166659.XU Expired - Fee Related CN203766034U (en) | 2014-04-09 | 2014-04-09 | Light source device used for 3D printer and 3D printer |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104760402A (en) * | 2015-04-09 | 2015-07-08 | 京东方科技集团股份有限公司 | Exposure device used for three-dimensional printer, three-dimensional printer and three-dimensional printing method |
| CN104786504A (en) * | 2015-04-28 | 2015-07-22 | 刘彦君 | SLA type printer |
| CN104786509A (en) * | 2015-05-15 | 2015-07-22 | 京东方科技集团股份有限公司 | 3D printer and projection device thereof |
| CN108466427A (en) * | 2017-02-23 | 2018-08-31 | 上海冠显光电科技有限公司 | A kind of photocuring 3D printing optical module and photocuring 3D printing system |
| CN110225813A (en) * | 2017-01-25 | 2019-09-10 | 耐克森三维有限公司 | Use the method and apparatus that the light engine of three-dimension object is formed for optical solidified liquid polymer |
| CN110225815A (en) * | 2015-10-02 | 2019-09-10 | 耐克森三维有限公司 | The method and apparatus for carrying out photocuring with displaceable self-lubricating substrate to form three-dimension object |
| US10421217B2 (en) | 2015-05-15 | 2019-09-24 | Boe Technology Group Co., Ltd. | 3D printing device and imaging system thereof |
| WO2020154703A1 (en) * | 2019-01-24 | 2020-07-30 | Walter Voit | Systems, methods, and materials for ultra-high throughput additive manufacturing |
| CN114578653A (en) * | 2020-12-01 | 2022-06-03 | 吉佳蓝科技股份有限公司 | Resin curing device for nanoimprint |
| US11654629B2 (en) | 2018-10-26 | 2023-05-23 | Hewlett-Packard Development Company, L.P. | Mirror assemblies for three dimensional printers |
| US12023865B2 (en) | 2022-08-11 | 2024-07-02 | NEXA3D Inc. | Light engines for vat polymerization 3D printers |
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- 2014-04-09 CN CN201420166659.XU patent/CN203766034U/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104760402A (en) * | 2015-04-09 | 2015-07-08 | 京东方科技集团股份有限公司 | Exposure device used for three-dimensional printer, three-dimensional printer and three-dimensional printing method |
| CN104760402B (en) * | 2015-04-09 | 2018-04-20 | 京东方科技集团股份有限公司 | Exposure device, three-dimensional printer and 3 D-printing method for three-dimensional printer |
| CN104786504A (en) * | 2015-04-28 | 2015-07-22 | 刘彦君 | SLA type printer |
| CN104786509A (en) * | 2015-05-15 | 2015-07-22 | 京东方科技集团股份有限公司 | 3D printer and projection device thereof |
| US20170277024A1 (en) * | 2015-05-15 | 2017-09-28 | Boe Technology Group Co., Ltd. | Projection device and 3d printer comprising the same |
| US10921679B2 (en) | 2015-05-15 | 2021-02-16 | Boe Technology Group Co., Ltd. | Projection device and 3D printer comprising the same |
| CN104786509B (en) * | 2015-05-15 | 2018-09-04 | 京东方科技集团股份有限公司 | 3D printer and its projection arrangement |
| US10421217B2 (en) | 2015-05-15 | 2019-09-24 | Boe Technology Group Co., Ltd. | 3D printing device and imaging system thereof |
| CN110225815A (en) * | 2015-10-02 | 2019-09-10 | 耐克森三维有限公司 | The method and apparatus for carrying out photocuring with displaceable self-lubricating substrate to form three-dimension object |
| US11260579B2 (en) | 2015-10-02 | 2022-03-01 | NEXA3D Inc. | Methods for photo-curing with displaceable self-lubricating substratum for the formation of three-dimensional objects |
| CN110225813A (en) * | 2017-01-25 | 2019-09-10 | 耐克森三维有限公司 | Use the method and apparatus that the light engine of three-dimension object is formed for optical solidified liquid polymer |
| TWI765954B (en) * | 2017-01-25 | 2022-06-01 | 美商內克斯薩３Ｄ股份有限公司 | Light engines for photo-curing of liquid polymers to form three-dimensional objects and methods thereof |
| CN108466427A (en) * | 2017-02-23 | 2018-08-31 | 上海冠显光电科技有限公司 | A kind of photocuring 3D printing optical module and photocuring 3D printing system |
| US11654629B2 (en) | 2018-10-26 | 2023-05-23 | Hewlett-Packard Development Company, L.P. | Mirror assemblies for three dimensional printers |
| WO2020154703A1 (en) * | 2019-01-24 | 2020-07-30 | Walter Voit | Systems, methods, and materials for ultra-high throughput additive manufacturing |
| CN114578653A (en) * | 2020-12-01 | 2022-06-03 | 吉佳蓝科技股份有限公司 | Resin curing device for nanoimprint |
| TWI823148B (en) * | 2020-12-01 | 2023-11-21 | 南韓商吉佳藍科技股份有限公司 | Resin curing device for nano imprint |
| US12023865B2 (en) | 2022-08-11 | 2024-07-02 | NEXA3D Inc. | Light engines for vat polymerization 3D printers |
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