CN207992608U - The imaging mechanism that liquid-crystalline glasses screen surfaces dust is distinguished with internal foreign matter - Google Patents
The imaging mechanism that liquid-crystalline glasses screen surfaces dust is distinguished with internal foreign matter Download PDFInfo
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- CN207992608U CN207992608U CN201820130500.0U CN201820130500U CN207992608U CN 207992608 U CN207992608 U CN 207992608U CN 201820130500 U CN201820130500 U CN 201820130500U CN 207992608 U CN207992608 U CN 207992608U
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Abstract
The imaging mechanism that a kind of liquid-crystalline glasses screen surfaces dust and internal foreign matter are distinguished includes localization tool, light source module group and image camera.Positioning area is provided on localization tool, the both sides that localization tool is located at positioning area are respectively arranged with the areas Guo Guang.Light source module group includes upper source of parallel light component and lower source of parallel light component, and upper source of parallel light component includes upper source of parallel light, and upper source of parallel light is respectively used to send out upper directional light to the areas Guo Guang；Lower source of parallel light component includes lower source of parallel light, and lower source of parallel light is respectively used to send out lower directional light to the areas Guo Guang.The defect imaging mechanism of the liquid-crystalline glasses screen is by being arranged localization tool, light source module group and image camera.The parallel rays of light source module group transmitting encounters the dust in liquid-crystalline glasses screen surfaces and reflects, to detected by image camera, it avoids on the foreign matter that the light that light source module group is launched is irradiated to inside liquid-crystalline glasses screen, avoids the foreign matter inside liquid-crystalline glasses screen being mistaken for liquid-crystalline glasses screen surfaces dust.
Description
Technical field
The utility model is related to a kind of liquid crystal display detection field, more particularly to a kind of liquid-crystalline glasses screen surfaces dust with it is interior
The imaging mechanism that portion's foreign matter is distinguished.
Background technology
With the development of liquid crystal display technology, cell glass is more and more thinner, and resolution ratio is higher and higher, in surface dirt and glass
Portion's foreign matter is increasingly difficult to differentiate between.
Currently, the quality testing to the automatic lighting of each stage may be implemented in the prior art, still, in the prior art
Automatic detection device cannot achieve the differentiation of cell inside glass and surface dirt, since LCD/OLED glass is relatively thin, accordingly
Product defects will be closer to product upper surface or lower surface；Since common light source penetrance and diffusivity all compare
By force, if carrying out polishing using common light source, light penetrates glass, just will appear inside glass foreign matter beaten in light source it is bright same
When taken, can not be distinguished with surface dirt.
As shown in Figure 1, for a kind of structural schematic diagram of liquid-crystalline glasses screen 20, the inside of liquid-crystalline glasses screen 20 can have foreign matter
Particle 22, meanwhile, both side surface can also have dust granule 21, and in detection process, the dust to surface is actually needed
Grain 21 is detected, and internal foreign matter image is acquired using other techniques and device, however, existing surface imaging dress
It sets, in the required image of collection analysis, is easy to happen while collecting internal foreign matter and the problem of surface dirt coexists, no
It is distinguished pair conducive to internal foreign matter and surface dirt.
Utility model content
The purpose of the utility model is to overcome shortcomings in the prior art, provide a kind of liquid-crystalline glasses screen surfaces dust
The imaging mechanism distinguished with internal foreign matter is judged by accident the foreign matter in liquid-crystalline glasses screen with solving automatic checkout equipment in the prior art
For surface dirt the problem of.
The purpose of this utility model is achieved through the following technical solutions：
The imaging mechanism that a kind of liquid-crystalline glasses screen surfaces dust is distinguished with internal foreign matter include localization tool, light source module group and
Image camera；
Positioning area is provided on the localization tool, the positioning area is described fixed for being positioned to liquid-crystalline glasses screen
The both sides that position jig is located at the positioning area are respectively arranged with the areas Guo Guang；
The light source module group includes upper source of parallel light component and lower source of parallel light component, and the upper source of parallel light component includes
Two upper sources of parallel light, two upper sources of parallel light are located at the oblique upper of the both sides of positioning area, and two described flat
Line light source is respectively used to send out upper directional light to two areas Guo Guang；The lower source of parallel light component includes two lower directional lights
Source, two lower sources of parallel light are located at the obliquely downward of the both sides of positioning area, and two lower sources of parallel light are used respectively
In sending out lower directional light to two areas Guo Guang；
The image camera is used to be arranged towards liquid-crystalline glasses screen.
Storage tank, two opposite madial walls of the storage tank are offered on the positioning area in one of the embodiments,
Locating slot is offered respectively, and two locating slots are respectively used to place the opposite two sides of liquid-crystalline glasses screen.
The both sides of the storage tank open up jagged respectively in one of the embodiments, and two notches distinguish shape
It is accommodating to be provided with gap between trench bottom and liquid-crystalline glasses screen at two areas Guo Guang.
The image camera is used for towards bottom of the liquid-crystalline glasses screen far from the storage tank in one of the embodiments,
One side be arranged above.
The width of the locating slot is slightly larger than the width of liquid-crystalline glasses screen, the locating slot in one of the embodiments,
Length be slightly larger than liquid-crystalline glasses screen length.
Two upper sources of parallel light are in axis pair with the central axis of the liquid-crystalline glasses screen in one of the embodiments,
Claim distribution.
Two lower sources of parallel light are in axis pair with the central axis of the liquid-crystalline glasses screen in one of the embodiments,
Claim distribution.
The upper source of parallel light includes shell, lamp bead and circuit board, the circuit board setting in one of the embodiments,
In in the shell, the lamp bead and the circuit board electrical connection, the lamp bead are used to send out lower directional light to the areas Guo Guang.
The upper source of parallel light is bonded with the lower source of parallel light in one of the embodiments,.
The imaging mechanism that the liquid-crystalline glasses screen surfaces dust is distinguished with internal foreign matter in one of the embodiments, also wraps
Operating platform is included, the operating platform is for placing the localization tool.
Compared with prior art, the utility model has at least the following advantages：
The imaging mechanism that above-mentioned liquid-crystalline glasses screen surfaces dust is distinguished with internal foreign matter is by being arranged localization tool, light source die
Group and image camera.The parallel rays of light source module group transmitting passes through the liquid-crystalline glasses screen surfaces being placed on localization tool, when flat
Row light, which encounters, to be attached to the dusts of liquid-crystalline glasses screen surfaces and can reflect, and to detected by image camera, is kept away simultaneously
Exempt from the foreign matter that the light that light source module group is launched is irradiated to inside liquid-crystalline glasses screen, has efficiently avoided liquid-crystalline glasses screen
The phenomenon that internal foreign matter is mistaken for liquid-crystalline glasses screen surfaces dust.
Description of the drawings
Fig. 1 is the schematic diagram of liquid-crystalline glasses screen to be detected in one embodiment of the utility model；
Fig. 2 is the imaging mechanism that liquid-crystalline glasses screen surfaces dust is distinguished with internal foreign matter in one embodiment of the utility model
Structural schematic diagram.
Fig. 3 is the structural schematic diagram of the localization tool in one embodiment of the utility model.
Specific implementation mode
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The better embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms
It realizes, however it is not limited to embodiments described herein.On the contrary, the purpose of providing these embodiments is that making new to this practicality
The disclosure of type understands more thorough and comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not offered as being unique embodiment.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with the technology for belonging to the utility model
The normally understood meaning of technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein packet
Include any and all combinations of one or more relevant Listed Items.
As shown in Figure 1, its structural schematic diagram for a kind of liquid-crystalline glasses screen 20, the inside of liquid-crystalline glasses screen 20 can exist different
Composition granule 22, meanwhile, both side surface can also have dust granule 21, liquid-crystalline glasses screen surfaces dust disclosed by the utility model
Therefore the dust granule 21 for being used to detect 20 surface of liquid-crystalline glasses screen with the imaging mechanism 10 that internal foreign matter is distinguished collects
Image, it is necessary to exclude foreign particles 22, it is only necessary to the dust granule 21 for preserving 20 upper and lower surface of liquid-crystalline glasses screen, to ensure
Subsequently to the accuracy after image detection.
Also referring to Fig. 1-3, the imaging mechanism 10 that a kind of liquid-crystalline glasses screen surfaces dust is distinguished with internal foreign matter includes
Localization tool 100, light source module group 200 and image camera 300, localization tool 100 is for placing liquid-crystalline glasses screen 20, light source module group
200 and image camera 300 be respectively facing the liquid-crystalline glasses screen 20 on localization tool 100 setting.
Also referring to Fig. 1-3, positioning area 110 is provided on localization tool 100, positioning area 110 is used for liquid-crystalline glasses
Screen 20 is positioned, that is, is used to place liquid-crystalline glasses screen 20, the both sides that localization tool is located at positioning area 110 were respectively arranged with light
Area 120, the light that the areas Guo Guang 120 are used to send out for light source module group 200 pass through, and positioning area 110 is placed on successfully to expose to
On liquid-crystalline glasses screen 20.
Also referring to Fig. 1-3, light source module group 200 includes upper source of parallel light component 210 and lower source of parallel light component 220,
Upper source of parallel light component 210 includes two upper sources of parallel light 211, and two upper sources of parallel light 211 are located at the two of positioning area 110
The oblique upper of side, and two upper sources of parallel light 211 are respectively used to send out upper directional light to the areas Liang Geguoguang 120；Upper source of parallel light
Upper surface for being radiated at liquid-crystalline glasses screen 20.Lower source of parallel light component 220 include two lower sources of parallel light 221, two
Lower source of parallel light 221 is located at the obliquely downward of the both sides of positioning area 110, and two lower sources of parallel light 221 are respectively used to two
The areas Ge Guoguang 120 send out lower directional light, and lower source of parallel light is used to be radiated at the lower surface of liquid-crystalline glasses screen 20.
Also referring to Fig. 1-3, image camera 300 is used to be arranged towards liquid-crystalline glasses screen 20, and image camera 300 is for clapping
Take the photograph the liquid-crystalline glasses screen 20 after being irradiated by upper and lower source of parallel light, the image for obtaining needs to be detected.
Below by the concrete operating principle for the imaging mechanism 10 that liquid-crystalline glasses screen surfaces dust is distinguished with internal foreign matter into
Row is introduced：
Liquid-crystalline glasses screen 20 to be detected is placed on the positioning area 110 of localization tool, positioning area 110 is to be detected
Liquid-crystalline glasses screen 20 is positioned, and the surface to ensure liquid-crystalline glasses screen 20 to be detected is parallel with the surface of localization tool, also
I.e. so that the light beam that light source module group 200 is launched will not penetrate liquid-crystalline glasses screen 20 to be detected.Thus it improves to be detected
Liquid-crystalline glasses screen 20 detection precision.
After liquid-crystalline glasses screen 20 to be detected is placed on the positioning area 110 of localization tool, light source module group 200 starts to transport
Make.First, the upper source of parallel light 211 of two on upper source of parallel light component 210 starts, and two upper sources of parallel light 211 are respectively to two
Launch source of parallel light, the upper table of the direction of transfer of upper source of parallel light and liquid-crystalline glasses screen 20 to be detected in the areas Ge Guoguang 120
Face is parallel and two light that above sources of parallel light 211 are launched are parallel with the upper surface of liquid-crystalline glasses screen 20.It needs
Bright is that the light that upper source of parallel light 211 is launched does not penetrate liquid-crystalline glasses screen 20 but close to the upper table of liquid-crystalline glasses screen 20
Face, if in this way, the upper surface of liquid-crystalline glasses screen 20 is attached with dust granule 21, source of parallel light can be irradiated to dust granule on part
It 21 and reflects, thus lights the dust granule 21 of the upper surface of liquid-crystalline glasses screen 20, image camera 300 carries out figure at this time
As acquisition operations, you can take the dust granule 21 positioned at the upper surface of liquid-crystalline glasses screen 20；That is the dust granule 21 of upper surface
Source of parallel light can be reflected, is obtained in image so as to which the dust granule 21 of upper surface is stayed in shooting, similarly, lower surface
Dust is also to use above-mentioned principle.Then, two lower sources of parallel light 221 under lower source of parallel light component 220 start, and are put down under two
Line light source 221 launches lower source of parallel light, the direction of transfer of lower source of parallel light and liquid to be detected to the areas Liang Geguoguang 120 respectively
The light that the lower surface of crystal glass screen 20 is parallel and two lower sources of parallel light 221 are launched with liquid-crystalline glasses screen 20
Lower surface is parallel.It should be noted that the light that lower source of parallel light 221 is launched do not penetrate liquid-crystalline glasses screen 20 but close to
The lower surface of liquid-crystalline glasses screen 20, if in this way, the lower surface of liquid-crystalline glasses screen 20 is attached with dust granule 21, the lower directional light in part
Source can be irradiated to dust granule 21 and reflect, and thus light the dust granule 21 of the lower surface of liquid-crystalline glasses screen 20, this
When image camera 300 carry out Image Acquisition operation, you can take the dust granule 21 positioned at the lower surface of liquid-crystalline glasses screen 20.
It also needs to it is emphasized that since the region that upper and lower source of parallel light can irradiate is the upper and lower of liquid-crystalline glasses screen 20
Surface enables to the dust of upper and lower surface " to be lighted " respectively, still, will not penetrate to the inside of liquid-crystalline glasses screen 20, interior
Portion's foreign matter " will not then be lighted ", and therefore, the dust of upper and lower surface can be had by staying the target in image after acquisition only, without
There can be internal foreign matter, be mistaken for the inside foreign matter of liquid-crystalline glasses screen so as to solve automatic checkout equipment in the prior art
The problem of surface dirt.
It is able to detect that the dust granule 21 on 20 surface of liquid-crystalline glasses screen by aforesaid operations, and dust can be differentiated
Specific location of the grain 21 in liquid-crystalline glasses screen 20.Further, being detected using source of parallel light can prevent to liquid crystal glass
When glass screen 20 carries out polishing, light penetrates liquid-crystalline glasses screen 20 and lights the foreign particles 22 inside liquid-crystalline glasses screen 20,
Foreign particles 22 inside liquid-crystalline glasses screen 20 are shown in 300 acquired image of image camera, will be located at liquid crystal glass
The case where foreign particles 22 inside glass screen 20 are mistaken for dust granule 21.
Further, in order to ensure parallel rays that light source module group 200 is emitted and to penetrate liquid-crystalline glasses screen 20 flat
Row, to improve accuracy of detection, offers storage tank, two opposite madial walls of storage tank offer positioning respectively on positioning area 110
Slot, two locating slots are respectively used to place the opposite two sides of liquid-crystalline glasses screen 20, and the width of locating slot is slightly larger than liquid-crystalline glasses
The width of screen 20, the length of the locating slot is slightly larger than the length of liquid-crystalline glasses screen 20, in order to which liquid-crystalline glasses screen 20 to be put into
In locating slot.In this way, transparent liquid crystal glass screen 20 is placed on locating slot, with prevent when being detected transparent liquid crystal glass screen 20 because
External action and slide, influence detection result.Further, the both sides of storage tank open up jagged respectively, two notches
The areas Liang Geguoguang 120 are respectively formed, it is accommodating to be provided with gap between trench bottom and liquid-crystalline glasses screen 20.Lower source of parallel light component
The 220 lower sources of parallel light emitted are passed through the lower surface of liquid-crystalline glasses screen 20 by gap, to the following table of liquid-crystalline glasses screen 20
Face carries out polishing operation.Image camera 300 be used for towards bottom of the liquid-crystalline glasses screen 20 far from storage tank one side just
Side's setting improves image camera 300 so that image camera 300 can collect the image of clearly liquid-crystalline glasses screen 20
The quality of the image collected.
In one embodiment, two upper sources of parallel light 211 are axisymmetricly distributed with the central axis of liquid-crystalline glasses screen 20, and two
A lower source of parallel light 221 is axisymmetricly distributed with the central axis of liquid-crystalline glasses screen 20, and upper source of parallel light 211 includes shell, lamp
Pearl and circuit board, circuit board are set in shell, lamp bead and circuit board electrical connection, and lamp bead is used to send out to the areas Guo Guang 120 lower flat
Row light.By the upper source of parallel light 211 of two symmetrical two, in image camera 300 to the upper surface of liquid-crystalline glasses screen 20
It carries out providing more stable, sufficient illumination when Image Acquisition operation so that the liquid-crystalline glasses screen that image camera 300 collects
The image of 20 upper surface is more clear intuitively.Similarly, two lower sources of parallel light 221 use above-mentioned setting with liquid-crystalline glasses screen 20
Mode can obtain the image for being more clear the lower surface of intuitive liquid-crystalline glasses screen 20, thus improve 20 table of liquid-crystalline glasses screen
The accuracy of detection of face dust granule.
In one embodiment, upper source of parallel light 211 is bonded with lower source of parallel light 221.Launch preventing light source module group 200
Upper parallel rays penetrate liquid-crystalline glasses screen 20 and light the inside of liquid-crystalline glasses screen 20 there are foreign particles 22, cause the same of erroneous judgement
When, it can ensure that upper directional light that upper source of parallel light 211 and lower source of parallel light 221 are launched and lower directional light being capable of more adjunctions
The surface of nearly liquid-crystalline glasses screen, with ensure will not missing inspection be attached to the dust granule 21 on 20 surface of liquid-crystalline glasses screen.
In one embodiment, liquid-crystalline glasses screen surfaces dust and the imaging mechanism that internal foreign matter is distinguished further include that operation is flat
Platform, operating platform are used for placement positioning jig.Thus the imager that liquid-crystalline glasses screen surfaces dust is distinguished with internal foreign matter is improved
The structural stability of structure prevents exterior vibration Interference Detection from operating.
Compared with prior art, the utility model has at least the following advantages：
The imaging mechanism that above-mentioned liquid-crystalline glasses screen surfaces dust is distinguished with internal foreign matter is by being arranged localization tool, light source die
Group 200 and image camera 300.The parallel rays that light source module group 200 emits passes through the liquid-crystalline glasses screen being placed on localization tool
20 surfaces are attached to the dust on 20 surface of liquid-crystalline glasses screen and can reflect, to by image camera 300 when parallel rays encounters
It detected, while avoiding on the foreign matter that the light that light source module group 200 is launched is irradiated to inside liquid-crystalline glasses screen 20, effectively
Ground avoids the phenomenon that foreign matter inside liquid-crystalline glasses screen 20 is mistaken for liquid-crystalline glasses 20 surface dirt of screen.
Above example only expresses the several embodiments of the utility model, the description thereof is more specific and detailed, but simultaneously
Cannot the limitation to utility model patent range therefore be interpreted as.It should be pointed out that for the ordinary skill people of this field
For member, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this reality
With novel protection domain.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. the imaging mechanism that a kind of liquid-crystalline glasses screen surfaces dust is distinguished with internal foreign matter, which is characterized in that including localization tool,
Light source module group and image camera；
Positioning area is provided on the localization tool, the positioning area for being positioned to liquid-crystalline glasses screen, control by the positioning
Tool is respectively arranged with the areas Guo Guang positioned at the both sides of the positioning area；
The light source module group includes upper source of parallel light component and lower source of parallel light component, and the upper source of parallel light component includes two
Upper source of parallel light, two upper sources of parallel light are located at the oblique upper of the both sides of positioning area, and two upper directional lights
Source is respectively used to send out upper directional light to two areas Guo Guang；The lower source of parallel light component includes two lower sources of parallel light,
Two lower sources of parallel light are located at the obliquely downward of the both sides of positioning area, and two lower sources of parallel light be respectively used to
Two areas Guo Guang send out lower directional light；
The image camera is used to be arranged towards liquid-crystalline glasses screen.
2. the imaging mechanism that liquid-crystalline glasses screen surfaces dust according to claim 1 is distinguished with internal foreign matter, feature exist
In offering storage tank on the positioning area, two opposite madial walls of the storage tank offer locating slot respectively, described in two
Locating slot is respectively used to place the opposite two sides of liquid-crystalline glasses screen.
3. the imaging mechanism that liquid-crystalline glasses screen surfaces dust according to claim 2 is distinguished with internal foreign matter, feature exist
Opened up respectively in the both sides of, the storage tank jagged, two notches are respectively formed two areas Guo Guang, storage tank bottom
It is provided with gap between portion and liquid-crystalline glasses screen.
4. the imaging mechanism that liquid-crystalline glasses screen surfaces dust according to claim 3 is distinguished with internal foreign matter, feature exist
In the image camera is used for being arranged above towards the one side of bottom of the liquid-crystalline glasses screen far from the storage tank.
5. the imaging mechanism that liquid-crystalline glasses screen surfaces dust according to claim 3 is distinguished with internal foreign matter, feature exist
In the width of the locating slot is slightly larger than the width of liquid-crystalline glasses screen, and the length of the locating slot is slightly larger than liquid-crystalline glasses screen
Length.
6. the imaging mechanism that liquid-crystalline glasses screen surfaces dust according to claim 1 is distinguished with internal foreign matter, feature exist
In two upper sources of parallel light are axisymmetricly distributed with the central axis of the liquid-crystalline glasses screen.
7. the imaging mechanism that liquid-crystalline glasses screen surfaces dust according to claim 1 is distinguished with internal foreign matter, feature exist
In two lower sources of parallel light are axisymmetricly distributed with the central axis of the liquid-crystalline glasses screen.
8. the imaging mechanism that liquid-crystalline glasses screen surfaces dust according to claim 1 is distinguished with internal foreign matter, feature exist
In, the upper source of parallel light includes shell, lamp bead and circuit board, and the circuit board is set in the shell, the lamp bead with
The circuit board electrical connection, the lamp bead are used to send out lower directional light to the areas Guo Guang.
9. the imaging mechanism that liquid-crystalline glasses screen surfaces dust according to claim 1 is distinguished with internal foreign matter, feature exist
In the upper source of parallel light is bonded with the lower source of parallel light.
10. the imaging mechanism that liquid-crystalline glasses screen surfaces dust according to claim 1 is distinguished with internal foreign matter, feature exist
In the imaging mechanism that the liquid-crystalline glasses screen surfaces dust is distinguished with internal foreign matter further includes operating platform, the operating platform
For placing the localization tool.
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| CN110186937A (en) * | 2019-06-26 | 2019-08-30 | 电子科技大学 | Reject mirror article surface two-dimensional defect detection method and system that dust influences |
| CN112798613A (en) * | 2021-03-31 | 2021-05-14 | 惠州高视科技有限公司 | LCD foreign matter defect color imaging detection method, electronic equipment and storage medium |
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| CN113916854A (en) * | 2021-09-29 | 2022-01-11 | 深圳市壹倍科技有限公司 | Equipment and method for distinguishing surface defects and dust of precision component |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109765183A (en) * | 2019-03-28 | 2019-05-17 | 青岛海鼎通讯技术有限公司 | A kind of Mobile phone screen detection device and its application method |
| CN109765183B (en) * | 2019-03-28 | 2023-11-24 | 青岛海鼎通讯技术有限公司 | Mobile phone screen detection device and application method thereof |
| CN110186937A (en) * | 2019-06-26 | 2019-08-30 | 电子科技大学 | Reject mirror article surface two-dimensional defect detection method and system that dust influences |
| CN113125343A (en) * | 2019-12-31 | 2021-07-16 | 由田新技股份有限公司 | Optical detection device and optical detection method |
| CN113008898A (en) * | 2021-02-25 | 2021-06-22 | 四川兆纪光电科技有限公司 | Detection device and detection method for backlight source module |
| CN112798613A (en) * | 2021-03-31 | 2021-05-14 | 惠州高视科技有限公司 | LCD foreign matter defect color imaging detection method, electronic equipment and storage medium |
| CN113916854A (en) * | 2021-09-29 | 2022-01-11 | 深圳市壹倍科技有限公司 | Equipment and method for distinguishing surface defects and dust of precision component |
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Address after: 215011 rooms 101, 102, 901 and 902, floor 1, building 11, 198 Jialingjiang Road, high tech Zone, Suzhou, Jiangsu Province Patentee after: Gaoshi Technology (Suzhou) Co.,Ltd. Address before: 516006 District 75, Zhongkai high tech Industrial Development Zone, Huizhou City, Guangdong Province Patentee before: HUIZHOU GOVION TECHNOLOGY Co.,Ltd. |
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Assignee: Suzhou Gaoshi Semiconductor Technology Co.,Ltd. Assignor: Gaoshi Technology (Suzhou) Co.,Ltd. Contract record no.: X2021990000430 Denomination of utility model: Imaging mechanism for distinguishing surface dust and internal foreign matter of liquid crystal glass screen Granted publication date: 20181019 License type: Common License Record date: 20210722 |
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Address after: 215129 Rooms 101, 102, 901, 902, Floor 9, Building 11, No. 198, Jialing River Road, High tech Zone, Suzhou City, Jiangsu Province Patentee after: Gaoshi Technology (Suzhou) Co.,Ltd. Address before: 215011 rooms 101, 102, 901 and 902, floor 1, building 11, 198 Jialingjiang Road, high tech Zone, Suzhou, Jiangsu Province Patentee before: Gaoshi Technology (Suzhou) Co.,Ltd. |