CN105700165A - 3D grating alignment fitting device and method - Google Patents
3D grating alignment fitting device and method Download PDFInfo
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- CN105700165A CN105700165A CN201610286108.0A CN201610286108A CN105700165A CN 105700165 A CN105700165 A CN 105700165A CN 201610286108 A CN201610286108 A CN 201610286108A CN 105700165 A CN105700165 A CN 105700165A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
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Abstract
The invention discloses a 3D grating alignment fitting device and method, and belongs to the technical field of 3D display.The problem that an existing grating fitting technology is low in alignment precision and efficiency and high in labor cost and material cost is solved.According to the scheme, an LCM module of a 2D liquid crystal screen is laterally adsorbed to an acrylic vacuum adsorption platform, and the focal length glass substrate of the 2D liquid crystal screen is coated with an optical adhesive and faces downwards; a bearing grating net screen is arranged under the acrylic vacuum adsorption platform, and a lens grating is borne on the net in the middle of the bearing grating net screen; a light source outputs alignment images of the 2D liquid crystal screen and the lens grating through a fitting piece to be aligned, the alignment images are received and displayed by a collection processing unit, and the position of the bearing grating net screen is adjusted according to the needed set alignment relation; the 2D liquid crystal screen and the lens grating are fitted together below the bearing grating net screen across the net by means of a fitting mechanism, and fitting is performed from the middle point to the left and right sides.
Description
Technical field
The invention belongs to 3D Display Technique field。
Background technology
The development of bore hole 3D, having broken away from traditional timesharing, color separation, light splitting etc. needs just can watch the constraint of 3D effect by auxiliary equipment, improves the degree of freedom of viewing, comfort level and has widened utilization field and received significant attention。
Bore hole 3D shows can be divided into Lenticular screen and two kinds of mainstream technologys of slit grating。Lenticular screen know-why: prior art is usually the column convex lens array by periodic arrangement and 2D display precision is coupled to form。As shown in Figure 1, its structure is made up of Lenticular screen film 6, focal glass plate substrate the 5, first glass substrate the 1, second glass substrate 2, backlight 7 and the liquid crystal layer 3 that is clipped between first substrate 1 and second substrate 2, posting polaroid 4 on the first glass substrate 1 and the second glass substrate 2, the Lenticular screen film of periodic arrangement adopts the mode of external application to be attached on focal glass plate substrate 5 simultaneously。Wherein Lenticular screen utilizes anaclasis principle to carry out light splitting, makes the right and left eyes of beholder watch different anaglyphs, thus producing stereoeffect。
Slit grating technology can be divided into fixed slit grating and liquid crystal slit grating。Be illustrated in figure 2 forward type slit grating, its structure be on the Polarizer 4 on the first glass substrate 1 external application by the slit grating 8 of printing opacity, lighttight slice periodic arrangement。Wherein, forward type slit grating utilizes light to block principle to carry out light splitting, make parity column sub-pixel show left and right anaglyph respectively。Being illustrated in figure 3 liquid crystal slit grating, its structure is to be further added by a TN box on display panels, and this liquid crystal light valve is etched with the ITO pattern of slit design, for driving liquid crystal to become disparity barrier to reach the effect of barrier grating。The black grating of diagram is ITO electrode bar。
Usually, fixed slit grating and Lenticular screen are as the bore hole 3D primary optics realized, technical development comparative maturity。Be no matter slit grating or Lenticular screen required precision in laminating process high, particularly Grating Film is with transparency carrier laminating process, and the quality of laminating directly influences 3D and shows 3D display performance and the effect of product。
At present, restriction due to equipment, the laminating of existing grating only relies on some traditional simple machines such as cold paperhanging machine, thermal mounting machine and laminating machine etc., this equipment can be only done simple joint movement, there is more problem: (1) aligning accuracy is low, fully rely on human eye to judge bonding position, and manually carry out adjusting position so that Anawgy accuracy cannot be guaranteed；(2) bad can not get of fitting controls completely, and as fitted, bubble, interior dirt etc. are bad can not get effective control, for large-sized Grating Film, it is easy to cause the waste of material, cost high and difficulty of doing over again is big；(3) whole process is completely dependent on manually, and artificial technical ability proficiency level's dependency is strong, and human input is big and cost increases。
Summary of the invention
The invention aims to solve the problem that existing grating coating technique aligning accuracy is low, efficiency is low, cost of labor is high, material cost is high, it is provided that a kind of 3D grating para-position laminating apparatus and method。
3D grating para-position laminating apparatus of the present invention, including acrylic vacuum absorbing platform, support grating half tone, fit body and acquisition process unit；
Treat that para-position fitting part includes 2D liquid crystal display screen and lenticulation two parts, 2D liquid crystal display screen is made up of together with focal glass plate baseplate-laminating LCM module, the LCM module side of 2D liquid crystal display screen is adsorbed on acrylic vacuum absorbing platform, the focal glass plate substrate-side coated optical glue of 2D liquid crystal display screen；The focal glass plate substrate side surfaces of 2D liquid crystal display screen is downwards；
The underface of acrylic vacuum absorbing platform is provided with support grating half tone, the online support lenticulation in the middle of support grating half tone；
The light beam that acrylic vacuum absorbing platform sends through treat para-position fitting part output 2D liquid crystal display screen and lenticulation to bit image, the collected processing unit of bit image is received and shows by this, adjust support grating half tone position according to the set alignment to reach, and then adjust the alignment of 2D liquid crystal display screen and lenticulation；
When the alignment of 2D liquid crystal display screen and lenticulation is determined, utilizing fit body 2D liquid crystal display screen and lenticulation to be fit together across net below support grating half tone, laminating track is both sides laminating to the left and right from midpoint。
3D grating para-position applying method comprises the following steps:
Step one, 2D liquid crystal display screen is placed in the optical plate assembly upper surface above acrylic vacuum absorbing platform, evacuation, at focal glass plate substrate surface coated optical glue, then acrylic vacuum absorbing platform is overturn 180 °, make focal glass plate base plate coating optical cement face down；
Step 2, light emitting diode light enter optics cavity, the light upwardly propagated in the optical cavity is located at the reflecting plate at top, micro-optical reflective particle is reflected towards down, light is transferred to diffuser plate from the reflecting plate of transparent acrylic material, homogenized, atomization after light project equably from diffuser plate a prism plate and No. two prism plates, launch downwards as light source
The light beam that light source described in step 3, step 2 sends through treat para-position fitting part output 2D liquid crystal display screen and lenticulation to bit image, bit image is gathered by this by CCD camera lens, send to computer terminal main frame, and show over the display, set alignment according to reach adjusts four adjusting rods, adjust the XY coordinate position of support grating half tone and then the alignment of change 2D liquid crystal display screen and lenticulation, until the alignment of 2D liquid crystal display screen and lenticulation reaches set alignment；
Step 4, roller first drive to the centre position immediately below 3D grating supporting region along X-direction, again upwardly along Y direction transmission, roller controls laminating gap and roller by pneumatic pressure valve and 3D grating supporting region contact point is screen frame intermediate position points, to ensure that lenticulation centre position touches on the focal glass plate substrate scribbling optical cement at first；Laminating track is from middle toward both sides laminating；
After step 5, laminating, resolidification after product upset 180 °, completes 3D grating para-position laminating。
Advantages of the present invention: backlight and the half tone of employing low mesh number needed for providing LCM module by the acrylic material backlight that light transmission is good carry 3D Grating Film and be picked up transmitting image to terminal by CCD camera lens, half tone deviation post is finely tuned again through terminal composite software, fit finally by roller, this device is not by the restriction of LCM module size, it is easily achieved, more conform to production requirement, automaticity is higher, the precision of laminating is high, efficiency is high and the yield of product is high, directly saves material, cost of labor。
Accompanying drawing explanation
Fig. 1 is the structural representation of existing Lenticular screen；
Fig. 2 is the structural representation of existing forward type slit grating；
Fig. 3 is the structural representation of available liquid crystal slit grating；
Fig. 4 is the structural representation of 3D grating para-position laminating apparatus of the present invention；
Fig. 5 is the A-A sectional view of Fig. 4；
Fig. 6 is the B-B sectional view of Fig. 4；
Fig. 7 is screen structure schematic diagram；
Fig. 8 is C place enlarged drawing in Fig. 4；
Fig. 9 is roller joint movement schematic diagram。
Detailed description of the invention
Detailed description of the invention one: present embodiment is described below in conjunction with Fig. 4 to Fig. 9,3D grating para-position laminating apparatus described in present embodiment, including acrylic vacuum absorbing platform 1, support grating half tone 2, fit body 3 and acquisition process unit 4；
Treat that para-position fitting part 5 includes 2D liquid crystal display screen and lenticulation 111 two parts, 2D liquid crystal display screen is fit together constituted by LCM module 109 and focal glass plate substrate 110, LCM module 109 side of 2D liquid crystal display screen is adsorbed on acrylic vacuum absorbing platform 1, the focal glass plate substrate 110 side coated optical glue of 2D liquid crystal display screen；Focal glass plate substrate 110 side of 2D liquid crystal display screen is downwards；
The underface of acrylic vacuum absorbing platform 1 is provided with support grating half tone 2, the online support lenticulation 111 in the middle of support grating half tone 2；
The light beam that acrylic vacuum absorbing platform 1 sends through treat para-position fitting part 5 export 2D liquid crystal display screen and lenticulation 111 to bit image, the collected processing unit 4 of bit image is received and shows by this, adjust support grating half tone 2 position according to the set alignment to reach, and then adjust the alignment of 2D liquid crystal display screen and lenticulation 111；
When the alignment of 2D liquid crystal display screen and lenticulation 111 is determined, utilizing fit body 3 2D liquid crystal display screen and lenticulation 111 to be fit together across net below support grating half tone 2, laminating track is both sides laminating to the left and right from midpoint。
LCM module (LCDModule) i.e. LCD shows module, Liquid Crystal Module, refers to the peripheral circuits such as liquid crystal display device, connector, control and driving, PCB, backlight, the assembly that structural member etc. is assembled together。
Acrylic vacuum absorbing platform 1 includes 101, two bar type convex lens of reflecting plate, 104, two light source reflecting housings 105 of 103, two light emitting diodes and optical plate component palette；Optical plate assembly from inside to outside sets gradually 106, prism plate 107 of diffuser plate and No. two prism plates 108, and optical plate assembly is uniformly arranged multiple vacuum absorption holes 201；
Reflecting plate 101 and optical plate assembly be arranged in parallel up and down, collectively form closing optics cavity with two light source reflecting housings 105 being symmetrical set, and hold multiple micro-optical reflective particles 102 in cavity；
The opening part of light source reflecting housing 105 arranges convex lens 103, arranges light emitting diode 104 between light source reflecting housing 105 and convex lens 103。
The cross section of convex lens 103 is semicircle, and this semicircle, being circular arc towards the one side of optics cavity, is plane towards the one side of light emitting diode 104, and convex lens 103 is fixed between reflecting plate 101 bottom surfaces and diffuser plate 106 upper side by sticker。
Support grating half tone 2 includes adjusting rod 112, selvage frame 113, non-bearing district 301 and 3D grating supporting region 302, between the frame of selvage frame 113, region is divided into 3D grating supporting region 302, the 3D grating supporting region 302 of outer peripheral non-bearing district 301 and zone line for support lenticulation 111；3D grating supporting region 302 adopts white Nylon screen knitting to constitute；
X-axis two opposite side of selvage frame 113 arranges two adjusting rods 112, and Y-axis two opposite side arranges two adjusting rods, for adjusting the XY coordinate position of support grating half tone 2。
Support grating half tone 2 is regulated by all around adjusting rod 112；3D grating supporting region 302 adopt the nylon mesh of low mesh number and carrying lenticulation 111 for white portion, non-bearing district 201 is light tight。Usually, the white portion that described light transmission is good is bigger than 3D film size。
Fit body 3 includes X-axis actuating device 114, Y-axis driving device 115 and roller 116；
Roller 116 is driven its X-axis coordinate position below support grating half tone 2 of adjustment by X-axis actuating device 114；Roller 116 is driven its Y-axis coordinate position below support grating half tone 2 of adjustment by Y-axis driving device 115, and roller 116 is axially Y-axis, and the rotating direction of roller 116 is along X-axis。
Acquisition process unit 4 includes CCD camera lens 117, computer terminal main frame 118 and display 119；CCD camera lens 117 gather 2D liquid crystal display screen and lenticulation 111 to bit image, and be sent to computer terminal main frame 118, this image shows on display 119, in this, as the foundation adjusting support grating half tone 2 position。
CCD camera lens 117 pickup passes through the image of lenticulation 111 after lighting backlight and LCM module 109, and by data transmission to computer terminal main frame 118, computer terminal main frame 118 passes through image synthesizing software, demonstrate red green pattern and red green demarcation line is grating angle line 120, the fixed grating angle, θ standard scores boundary line of this demarcation line and computer photograph carries out Auto-matching, matching process is realized by adjusting rod 112, by cylinder pressing selvage frame 113 after para-position is good, to prevent displacement。
After completing above step, roller 116 first drives to the centre position immediately below 3D grating supporting region 302 along X-direction, again upwardly along Y direction transmission, it is screen frame intermediate position points with 3D grating supporting region 302 contact point that roller 116 controls laminating gap and roller 116 by pneumatic pressure valve, to ensure that lenticulation 111 centre position touches on the focal glass plate substrate 110 scribbling optical cement at first；Laminating track is from middle toward both sides laminating。
Detailed description of the invention two: present embodiment is described below in conjunction with Fig. 4 to Fig. 9,3D grating para-position applying method described in present embodiment, this method is that 3D grating para-position laminating apparatus realizes according to claim 5, it is characterised in that the method comprises the following steps:
Step one, 2D liquid crystal display screen is placed in the optical plate assembly upper surface above acrylic vacuum absorbing platform 1, evacuation, at focal glass plate substrate 110 surface coated optical glue, then acrylic vacuum absorbing platform 1 is overturn 180 °, make focal glass plate substrate 110 coated optical glue surface down；
Step 2, light emitting diode 104 light enter optics cavity, the light upwardly propagated in the optical cavity is located at the reflecting plate 101 at top, micro-optical reflective particle 102 is reflected towards down, light is transferred to diffuser plate 106 from the reflecting plate 101 of transparent acrylic material, homogenized, atomization after light project equably from diffuser plate 106 prism plate 107 and No. two prism plates 108, launch downwards as light source
The light beam that light source described in step 3, step 2 sends through treat para-position fitting part 5 export 2D liquid crystal display screen and lenticulation 111 to bit image, bit image is gathered by this by CCD camera lens 117, send to computer terminal main frame 118, and show on display 119, set alignment according to reach adjusts four adjusting rods 112, adjust the XY coordinate position of support grating half tone 2, and then the alignment of change 2D liquid crystal display screen and lenticulation 111, until the alignment of 2D liquid crystal display screen and lenticulation 111 reaches set alignment；
Step 4, roller 116 first drive to the centre position immediately below 3D grating supporting region 302 along X-direction, again upwardly along Y direction transmission, it is screen frame intermediate position points with 3D grating supporting region 302 contact point that roller 116 controls laminating gap and roller 116 by pneumatic pressure valve, to ensure that lenticulation 111 centre position touches on the focal glass plate substrate 110 scribbling optical cement at first；Laminating track is from middle toward both sides laminating。
After step 5, laminating, resolidification after product upset 180 °, completes 3D grating para-position laminating。
Claims (6)
1.3D grating para-position laminating apparatus, it is characterised in that include acrylic vacuum absorbing platform (1), support grating half tone (2), fit body (3) and acquisition process unit (4)；
Treat that para-position fitting part (5) includes 2D liquid crystal display screen and lenticulation (111) two parts, 2D liquid crystal display screen is fit together constituted by LCM module (109) and focal glass plate substrate (110), LCM module (109) side of 2D liquid crystal display screen is adsorbed on acrylic vacuum absorbing platform (1), focal glass plate substrate (110) the side coated optical glue of 2D liquid crystal display screen；Focal glass plate substrate (110) side of 2D liquid crystal display screen is downwards；
The underface of acrylic vacuum absorbing platform (1) is provided with support grating half tone (2), the online support lenticulation (111) in the middle of support grating half tone (2)；
The light beam that acrylic vacuum absorbing platform (1) sends through treat para-position fitting part (5) output 2D liquid crystal display screen and lenticulation (111) to bit image, the collected processing unit of bit image (4) is received and shows by this, adjust support grating half tone (2) position according to the set alignment to reach, and then adjust the alignment of 2D liquid crystal display screen and lenticulation (111)；
When the alignment of 2D liquid crystal display screen and lenticulation (111) is determined, utilizing fit body (3) 2D liquid crystal display screen and lenticulation (111) to be fit together from support grating half tone (2) lower section across net, laminating track is both sides laminating to the left and right from midpoint。
2. 3D grating para-position laminating apparatus according to claim 1, it is characterized in that, acrylic vacuum absorbing platform (1) includes reflecting plate (101), two bar type convex lens (103), two light emitting diodes (104), two light source reflecting housings (105) and optical plate component palette；Optical plate assembly from inside to outside sets gradually diffuser plate (106), a prism plate (107) and No. two prism plates (108), and optical plate assembly is uniformly arranged multiple vacuum absorption holes (201)；
Reflecting plate (101) and optical plate assembly be arranged in parallel up and down, collectively form closing optics cavity with two light source reflecting housings (105) being symmetrical set, and hold multiple micro-optical reflective particles (102) in cavity；
The opening part of light source reflecting housing (105) arranges convex lens (103), arranges light emitting diode (104) between light source reflecting housing (105) and convex lens (103)。
3. 3D grating para-position laminating apparatus according to claim 2, it is characterized in that, support grating half tone (2) includes adjusting rod (112), selvage frame (113), non-bearing district (301) and 3D grating supporting region (302), between the frame of selvage frame (113), region is divided into 3D grating supporting region (302), the 3D grating supporting region (302) of outer peripheral non-bearing district (301) and zone line for support lenticulation (111)；3D grating supporting region (302) adopts white Nylon screen knitting to constitute；
X-axis two opposite side of selvage frame (113) arranges two adjusting rods (112), and Y-axis two opposite side arranges two adjusting rods, is used for adjusting the XY coordinate position of support grating half tone (2)。
4. 3D grating para-position laminating apparatus according to claim 3, it is characterised in that fit body (3) includes X-axis actuating device (114), Y-axis driving device (115) and roller (116)；
Roller (116) is driven by X-axis actuating device (114) and adjusts it at support grating half tone (2) lower section X-axis coordinate position；Roller (116) is driven by Y-axis driving device (115) and adjusts it at support grating half tone (2) lower section Y-axis coordinate position, roller (116) is axially Y-axis, and the rotating direction of roller (116) is along X-axis。
5. 3D grating para-position laminating apparatus according to claim 4, it is characterised in that acquisition process unit (4) includes CCD camera lens (117), computer terminal main frame (118) and display (119)；CCD camera lens (117) gather 2D liquid crystal display screen and lenticulation (111) to bit image, and it is sent to computer terminal main frame (118), this image is in the upper display of display (119), in this, as the foundation adjusting support grating half tone (2) position。
6.3D grating para-position applying method, this method is that 3D grating para-position laminating apparatus realizes according to claim 5, it is characterised in that the method comprises the following steps:
Step one, 2D liquid crystal display screen is placed in acrylic vacuum absorbing platform (1) top optical plate assembly upper surface, evacuation, at focal glass plate substrate (110) surface coated optical glue, again acrylic vacuum absorbing platform (1) is overturn 180 °, make focal glass plate substrate (110) coated optical glue surface down；
Step 2, light emitting diode (104) light enter optics cavity, the light upwardly propagated in the optical cavity is located at the reflecting plate (101) at top, micro-optical reflective particle (102) is reflected towards down, light is transferred to diffuser plate (106) from the reflecting plate (101) of transparent acrylic material, homogenized, atomization after light project equably from diffuser plate (106) a prism plate (107) and No. two prism plates (108), launch downwards as light source
Step 3, the light beam that light source described in step 2 sends through treat para-position fitting part (5) output 2D liquid crystal display screen and lenticulation (111) to bit image, bit image is gathered by this by CCD camera lens (117), send to computer terminal main frame (118), and in the upper display of display (119), set alignment according to reach adjusts four adjusting rods (112), adjust the XY coordinate position of support grating half tone (2), and then change the alignment of 2D liquid crystal display screen and lenticulation (111), until the alignment of 2D liquid crystal display screen and lenticulation (111) reaches set alignment；
Step 4, roller (116) first drive to the centre position immediately below 3D grating supporting region (302) along X-direction, again upwardly along Y direction transmission, it is screen frame intermediate position points that roller (116) controls laminating gap and roller (116) with 3D grating supporting region (302) contact point by pneumatic pressure valve, to ensure that lenticulation (111) centre position touches on the focal glass plate substrate (110) scribbling optical cement at first；Laminating track is from middle toward both sides laminating；
After step 5, laminating, resolidification after product upset 180 °, completes 3D grating para-position laminating。
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| CN201610286108.0A CN105700165B (en) | 2016-04-29 | 2016-04-29 | 3D gratings align laminating apparatus and method |
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| CN201610286108.0A CN105700165B (en) | 2016-04-29 | 2016-04-29 | 3D gratings align laminating apparatus and method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831598A (en) * | 2017-11-16 | 2018-03-23 | 宁波维真显示科技股份有限公司 | A kind of grating exactitude position applying method and its device |
| CN108469681A (en) * | 2017-02-23 | 2018-08-31 | 深圳市易快来科技股份有限公司 | A kind of method, apparatus and system of 3D gratings contraposition fitting |
| CN108630104A (en) * | 2018-04-16 | 2018-10-09 | 信利光电股份有限公司 | A kind of laminating apparatus of curved surface elements |
| CN110560925A (en) * | 2019-08-27 | 2019-12-13 | 江苏华风电子有限公司 | Device and process for automatically positioning and cutting film through illumination |
| CN111031686A (en) * | 2019-12-26 | 2020-04-17 | 沪士电子股份有限公司 | Positioning method for grabbing PCB and positioning hole glue removing device for PCB |
| CN113587854A (en) * | 2021-07-21 | 2021-11-02 | 万维显示科技（深圳）有限公司 | Detection system and detection method for naked eye 3D grating film angle |
| CN113799466A (en) * | 2020-06-12 | 2021-12-17 | 神讯电脑(昆山)有限公司 | Grating plate and light guide plate laminating system and method |
| CN114783310A (en) * | 2022-04-18 | 2022-07-22 | 武汉精立电子技术有限公司 | Fitting mechanism, method and system for fitting cubic three-color light-combining prism and micro display screen |
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| CN108469681A (en) * | 2017-02-23 | 2018-08-31 | 深圳市易快来科技股份有限公司 | A kind of method, apparatus and system of 3D gratings contraposition fitting |
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| CN107831598B (en) * | 2017-11-16 | 2020-02-11 | 宁波维真显示科技股份有限公司 | Grating accurate alignment and lamination method and device |
| CN108630104A (en) * | 2018-04-16 | 2018-10-09 | 信利光电股份有限公司 | A kind of laminating apparatus of curved surface elements |
| CN110560925A (en) * | 2019-08-27 | 2019-12-13 | 江苏华风电子有限公司 | Device and process for automatically positioning and cutting film through illumination |
| CN110560925B (en) * | 2019-08-27 | 2022-01-21 | 江苏华风电子有限公司 | Device and process for automatically positioning and cutting film through illumination |
| CN111031686A (en) * | 2019-12-26 | 2020-04-17 | 沪士电子股份有限公司 | Positioning method for grabbing PCB and positioning hole glue removing device for PCB |
| CN113799466A (en) * | 2020-06-12 | 2021-12-17 | 神讯电脑(昆山)有限公司 | Grating plate and light guide plate laminating system and method |
| CN113587854A (en) * | 2021-07-21 | 2021-11-02 | 万维显示科技（深圳）有限公司 | Detection system and detection method for naked eye 3D grating film angle |
| CN113587854B (en) * | 2021-07-21 | 2023-09-01 | 万维显示科技（深圳）有限公司 | Naked eye 3D grating film angle detection system and detection method |
| CN114783310A (en) * | 2022-04-18 | 2022-07-22 | 武汉精立电子技术有限公司 | Fitting mechanism, method and system for fitting cubic three-color light-combining prism and micro display screen |
| CN114783310B (en) * | 2022-04-18 | 2024-04-09 | 武汉精立电子技术有限公司 | Laminating mechanism, method and system for laminating cubic three-color light combining prism and micro display screen |
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