CN108696743B - Naked eye 3D display module detection method, device and system - Google Patents
Naked eye 3D display module detection method, device and system Download PDFInfo
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- CN108696743B CN108696743B CN201710133585.8A CN201710133585A CN108696743B CN 108696743 B CN108696743 B CN 108696743B CN 201710133585 A CN201710133585 A CN 201710133585A CN 108696743 B CN108696743 B CN 108696743B
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- 238000001514 detection method Methods 0.000 title claims abstract description 127
- 238000000034 method Methods 0.000 claims abstract description 19
- 239000011347 resin Substances 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 9
- 239000003086 colorant Substances 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000010191 image analysis Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 7
- 238000003475 lamination Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 201000004569 Blindness Diseases 0.000 description 1
- 208000006992 Color Vision Defects Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 201000007254 color blindness Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/004—Diagnosis, testing or measuring for television systems or their details for digital television systems
Abstract
The invention provides a method for detecting a naked eye 3D display module, which comprises the following steps: s1, respectively presetting different images in a left-eye image and a right-eye image of a display panel; s2, analyzing a left eye detection image or a right eye detection image acquired by the detection lens through the grating film; s3, judging whether the left eye detection image or the right eye detection image accords with the preset different images, if so, entering a step S4, and if not, entering a step S5; s4, the naked eye 3D display module subjected to feedback detection is qualified; s5, the naked eye 3D display module of the feedback detection is unqualified. The invention also discloses a device and a system for detecting the naked eye 3D display module. The method, the device and the system for detecting the naked eye 3D display module can realize automatic detection, have uniform detection standards and have high detection efficiency.
Description
Technical Field
The invention relates to the field of 3D detection, in particular to a method, a device and a system for detecting a naked eye 3D display module.
Background
With the rapid development of 3D (three dimensional) technology, the autostereoscopic display technology is a very attractive technological direction at present, and through the autostereoscopic display device, a viewer can directly watch stereoscopic images like stereoscopic movies without wearing 3D glasses, so that the autostereoscopic display technology will become the most promising direction of flat panel display.
Technically, autostereoscopic display devices include light Barrier (barrer), lenticular Lens (lenticullens) technology, and pointing light sources (Directional Backlight), among others. The lenticular grating comprises a display panel and a grating layer (grating film), wherein the display panel is provided with a left eye row pattern and a right eye row pattern, the lenticular grating is attached to the display panel by adopting an attaching process in the prior art, the left eye row pattern enters the left eye through a slit, and the right eye row pattern enters the right eye through a slit, so that a three-dimensional effect is achieved.
At present, if grating laminating is not counterpoint, can produce crosstalk or three-dimensional very poor, relies on the manual work to accomplish to the detection of grating laminating counterpoint, and manual detection has more problems: the alignment precision is low, the fitting position is judged by completely depending on human eyes, the viewing angle is changed, the viewing angle is also changed, the 3D is seen, the depth of field is different, the production standard is inconsistent, the stereoscopic grating is put manually, if the human eyes see, the human eyes have defects on the depth of field, the human eyes have color weakness, color blindness, stereoscopic blindness and stereoscopic weakness, the depth of field feel is different between the human eyes, and great inconsistency exists manually. In a word, the whole process is completely dependent on manpower, the subjectivity is large, the dependence on the skill and skill level of the manpower is strong, the manpower investment is large, and the cost is increased.
Disclosure of Invention
In order to solve the problems, the invention provides a method, a device and a system for detecting the naked eye 3d display module group, which are capable of efficiently and low-cost performing alignment detection without relying on manpower.
The invention discloses a method for detecting a naked eye 3d display module, which comprises the following steps:
s1, respectively presetting different images in a left-eye image and a right-eye image of a display panel;
s2, analyzing a left eye detection image or a right eye detection image acquired by the detection lens through the grating film;
s3, judging whether the left eye detection image or the right eye detection image accords with the preset different images, if so, entering a step S4, and if not, entering a step S5;
s4, the naked eye 3D display module subjected to feedback detection is qualified;
s5, the naked eye 3D display module of the feedback detection is unqualified.
Further, the step S5 specifically includes:
if the side-by-side different images appear in the detection lens, feeding back that the grating film is attached to shift left and right;
if different images appear in the detection lens, feeding back that the grating film is attached to shift up and down;
if different inclined images appear in the detection lens, the pasting inclination shift of the grating film is fed back.
Further, the grating film is a layer structure of UV resin (photosensitive resin).
Further, the distinct image specifically includes: images with different black and white colors and different horizontal and vertical stripes.
The invention discloses a device for detecting a naked eye 3D display module, which comprises:
an image presetting unit for respectively presetting different images in the left eye image and the right eye image of the display panel;
the image analysis unit is used for analyzing the left eye detection image or the right eye detection image acquired by the detection lens through the grating film;
the image judging unit is used for judging whether the left eye detection image or the right eye detection image accords with the preset different images, if so, entering the qualified module feedback unit, and if not, entering the unqualified module feedback unit;
the qualified module feedback unit is used for feeding back that the detected naked eye 3D display module is qualified;
and the unqualified module feedback unit is used for feeding back unqualified naked eye 3D display modules detected.
Further, the unqualified module feedback unit specifically includes:
the parallel feedback unit is used for feeding back that the grating film is attached to shift left and right if different images are arranged in parallel in the detection lens;
the up-down feedback unit is used for feeding back that the grating film is attached to shift up and down if images with different up-down formulas appear in the detection lens;
and the inclination feedback unit is used for feeding back that the grating film is subjected to fitting inclination displacement if inclined different images appear in the detection lens.
Further, the grating film is a UV resin lamellar structure.
Further, the distinct image specifically includes: images with different black and white colors and different horizontal and vertical stripes.
The invention discloses a system for detecting a naked eye 3d display module, which comprises the naked eye 3d display module, a detection lens and a controller which is connected with the naked eye 3d display module and the detection lens, wherein the controller is provided with the device.
Further, the system is provided with a computer terminal host and a display which are connected with the controller, the detection lens collects a left eye detection image or a right eye detection image of the naked eye 3d display module and sends the left eye detection image or the right eye detection image to the computer terminal host, and the left eye detection image or the right eye detection image can be displayed on the display.
The method, the device and the system for detecting the naked eye 3d display module have the following beneficial technical effects:
compared with the prior art that the lamination detection is performed manually, the lamination detection method is high in subjectivity, different in standard and high in labor cost, the technical scheme of the invention realizes automatic detection through matching the naked eye 3d display module with the detection lens, and has unified detection standard and high detection efficiency.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a flowchart of a method for detecting a naked eye 3d display module according to a first embodiment of the present invention;
FIG. 2 is a block diagram of an apparatus for detecting a naked eye 3d display module according to a first embodiment of the present invention;
fig. 3 is a system block diagram of naked eye 3d display module detection according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, in a first embodiment of the method of the present invention, a method for detecting a naked eye 3d display module includes:
s1, respectively presetting different images in a left-eye image and a right-eye image of a display panel;
the different images specifically include: images with different black and white colors, images with different horizontal and vertical stripes, images with different square and round shapes, and the like, specifically, the arrangement diagram can be as follows:
the images in the left eye image "L" are all black, the images in the right eye image "R" are all white, and the corresponding arrangement is as follows: black (L), white (R), black (L) … ….
The row diagram may also be:
the images in the left eye image L are all horizontal stripes, the images in the right eye image R are all vertical stripes, and the corresponding arrangement is as follows: horizontal stripe (L), vertical stripe (R), horizontal stripe (L) … ….
The left eye line drawing and the right eye line drawing which are completely different from each other are all the conception of the invention, and fall into the protection scope of the invention.
S2, analyzing a left eye detection image or a right eye detection image acquired by the detection lens through the grating film;
in this step, a plurality of lenses may be used for detection, for example, a double lens simulating both eyes of a person may be used for stereoscopic detection, and preferably, a plurality of pairs of lenses provided in correspondence with the left and right eyes are used for judging why the failure is caused, each lens collects a left eye detection image or a right eye detection image seen by the left and right eyes, and if the parallax is small, there is no stereoscopic or stereoscopic weakness, a plurality of eyes and multiple viewing angles, and further the yield is judged. The detection can be carried out by moving one lens, and only the lens is used for collecting left eye or right eye detection images and transmitting the left eye or right eye detection images to the processing center.
The grating film of the periodically arranged lenticular lens may be attached to a display panel such as a glass substrate by means of external attachment. The cylindrical lens grating utilizes the light refraction principle to split light, so that the left eye and the right eye of a viewer can observe different parallax images, and a stereoscopic effect is generated.
The grating film is a UV resin layered structure, and the UV resin layer has higher production efficiency, so that the production efficiency of the whole grating film can be improved, and meanwhile, the organic volatile components of the UV resin layer are less, so that adverse effects on the environment can be avoided.
S3, judging whether the left eye detection image or the right eye detection image accords with the preset different images, if so, entering a step S4, and if not, entering a step S5;
generally, the fixed slit grating and the cylindrical lens grating are used as main optical devices for naked eye 3D realization, and the technical development is mature. The slit grating or the cylindrical lens grating has high precision requirement in the bonding process, and particularly in the bonding process of the grating film and the transparent substrate, the bonding quality directly influences the 3D display performance and effect of the 3D display product.
For example, if images with different black-white left-right intervals are preset in the left-eye image and the right-eye image of the display panel respectively, the images in the left-eye image "L" are all black, and the images in the right-eye image "R" are all white, which are correspondingly arranged as follows: black (L), white (R), black (L) … ….
In theory, if the naked eye 3D display module is qualified, the detection lens detects that the left eye image is black, and the detection lens detects that the right eye image is white, if not, if: one of the left eye image or the right eye image is white, and the other is black, so that the lamination is not aligned, and crosstalk exists in the images. If a pair of left and right eye detection lenses are used for detection, the stereoscopic effect is gray.
S4, the naked eye 3D display module subjected to feedback detection is qualified;
the feedback can be qualified through window prompt by the display, and also can be qualified through short message prompt.
S5, the naked eye 3D display module of the feedback detection is unqualified.
The naked eye 3D display module is unqualified, and when crosstalk exists between the left eye image and the right eye image, the situation specifically comprises: if the side-by-side different images appear in the detection lens, feeding back that the grating film is attached to shift left and right; if different images appear in the detection lens, feeding back that the grating film is attached to shift up and down; if different inclined images appear in the detection lens, the pasting inclination shift of the grating film is fed back.
The apparatus for carrying out the above method is described below, and reference is made to the description of the above method for parts not stated in the apparatus.
Referring to fig. 2, a device 1 for detecting a naked eye 3D display module includes:
an image presetting unit 10, configured to preset different images in a left-eye image and a right-eye image of the display panel respectively;
an image analysis unit 20 for analyzing the left eye detection image or the right eye detection image acquired by the detection lens through the grating film;
the image judging unit 30 is configured to judge whether the left eye detection image or the right eye detection image matches the preset different image, if so, enter the qualified module feedback unit, and if not, enter the unqualified module feedback unit;
the different images specifically include: images with different black and white colors and different horizontal and vertical stripes.
The qualified module feedback unit 40 is used for feeding back that the detected naked eye 3D display module is qualified;
and the unqualified module feedback unit 50 is used for feeding back unqualified naked eye 3D display modules detected.
The reject module feedback unit 50 specifically includes:
a side-by-side feedback unit 501, configured to feedback that the grating film is shifted left and right due to lamination if side-by-side different images appear in the detection lens;
the up-down feedback unit 502 is configured to feedback that the grating film is attached to shift up and down if an image with different up-down formulas appears in the detection lens;
and the tilt feedback unit 503 is configured to feedback that the grating film is subjected to fitting tilt displacement if different tilt images occur in the detection lens.
The grating film is a UV resin laminated structure.
Referring to fig. 3, a system 100 for detecting a naked eye 3d display module includes a naked eye 3d display module 200, a detection lens 300, and a controller 400 connected to the naked eye 3d display module 200 and the detection lens 300, wherein the controller 400 has the device 1.
The system 100 includes a computer terminal host 500 and a display 600 connected to the controller 400, and the detection lens 300 collects a left eye detection image or a right eye detection image of the naked eye 3d display module 200 and sends the left eye detection image or the right eye detection image to the computer terminal host 500, where the left eye detection image or the right eye detection image may be displayed on the display 600.
The controller 400 wirelessly transmits the left eye detection image or the right eye detection image information to the mobile phone APP and the WeChat end, and presents the left eye detection image or the right eye detection image information and the control instruction in an interface form, and the left eye detection image or the right eye detection image information and the control instruction can be synchronously received and transmitted to the cloud end for backup and storage.
The method, the device and the system for detecting the naked eye 3d display module have the following beneficial technical effects:
compared with the prior art that the lamination detection is performed manually, the lamination detection method is high in subjectivity, different in standard and high in labor cost, the technical scheme of the invention realizes automatic detection through matching the naked eye 3d display module with the detection lens, and has unified detection standard and high detection efficiency.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (8)
1. The utility model provides a bore hole 3D display module assembly detects method, wherein 3D grating and the display panel who is used for exporting left eye image and right eye image cooperate, realizes 3D and shows, its characterized in that includes:
s1, respectively presetting different images in a left-eye image and a right-eye image of a display panel;
s2, analyzing a left eye detection image or a right eye detection image acquired by the detection lens through the 3D grating;
s3, judging whether the left eye detection image or the right eye detection image accords with the preset different images, if so, entering a step S4, and if not, entering a step S5;
s4, the naked eye 3D display module of the feedback detection is qualified;
s5, failing the naked eye 3D display module group of the feedback detection,
the step S5 specifically includes:
if the side-by-side different images appear in the detection lens, feeding back that the grating film of the 3D grating is attached to shift left and right;
if the images with different upper and lower formulas appear in the detection lens, feeding back that the grating film of the 3D grating is attached to shift up and down;
if different inclined images appear in the detection lens, the fitting inclination shift of the grating film of the 3D grating is fed back.
2. The method of claim 1, wherein the grating film of the 3D grating is a UV resin laminate structure.
3. The method according to claim 1, wherein the distinct image comprises: images with different black and white colors and different horizontal and vertical stripes.
4. Device that bore hole 3D display module assembly detected, its characterized in that includes:
an image presetting unit for respectively presetting different images in the left eye image and the right eye image of the display panel;
the image analysis unit is used for analyzing the left eye detection image or the right eye detection image acquired by the detection lens through the grating film;
the image judging unit is used for judging whether the left eye detection image or the right eye detection image accords with the preset different images, if so, entering the qualified module feedback unit, and if not, entering the unqualified module feedback unit;
the qualified module feedback unit is used for feeding back that the detected naked eye 3D display module is qualified;
a disqualified module feedback unit for feeding back disqualification of the detected naked eye 3D display module,
wherein, unqualified module feedback unit specifically includes:
the parallel feedback unit is used for feeding back that the grating film is attached to shift left and right if different images are arranged in parallel in the detection lens;
the up-down feedback unit is used for feeding back that the grating film is attached to shift up and down if images with different up-down formulas appear in the detection lens;
and the inclination feedback unit is used for feeding back that the grating film is subjected to fitting inclination displacement if inclined different images appear in the detection lens.
5. The apparatus of claim 4 wherein said grating film is a UV resin laminate.
6. The apparatus of claim 4, wherein the distinct images comprise: images with different black and white colors and different horizontal and vertical stripes.
7. The system for detecting the naked eye 3D display module comprises a naked eye 3D display module, a detection lens and a controller which is connected with the naked eye 3D display module and the detection lens, and is characterized in that the controller is provided with the device of any one of claims 4 to 6.
8. The system of claim 7, wherein the system comprises a computer terminal host and a display connected with the controller, the detection lens collects a left eye detection image or a right eye detection image of the naked eye 3D display module and sends the left eye detection image or the right eye detection image to the computer terminal host, and the left eye detection image or the right eye detection image can be displayed on the display.
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| WO2020177132A1 (en) * | 2019-03-07 | 2020-09-10 | 深圳市立体通科技有限公司 | Automatic calibration method for image arrangement of naked 3d display screen, and electronic device |
| CN112767317B (en) * | 2020-12-31 | 2022-11-25 | 上海易维视科技有限公司 | Naked eye 3D display grating film detection method |
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