CN217586256U - Display screen optical measurement device for multi-angle measurement - Google Patents
Display screen optical measurement device for multi-angle measurement Download PDFInfo
- Publication number
- CN217586256U CN217586256U CN202221276327.8U CN202221276327U CN217586256U CN 217586256 U CN217586256 U CN 217586256U CN 202221276327 U CN202221276327 U CN 202221276327U CN 217586256 U CN217586256 U CN 217586256U
- Authority
- CN
- China
- Prior art keywords
- fan
- motor
- shaped
- fixing frame
- display screen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Testing Of Optical Devices Or Fibers (AREA)
Abstract
The application discloses display screen optical measurement device that can be used to multi-angle measurement for improve and carry out optical measurement's measurement accuracy to the display screen that awaits measuring. The application includes: the device comprises a main body fixing frame, at least one fan-shaped motor, a fan-shaped fixing frame, at least one measuring assembly and a test platform; the fan-shaped fixing frame is arranged on the main body fixing frame, and the main body fixing frame is used for fixing the fan-shaped fixing frame; the fan-shaped motor is arranged on the fan-shaped fixing frame, and the fan-shaped fixing frame is used for fixing the fan-shaped motor; the measuring assembly is arranged below the fan-shaped motor, and the fan-shaped motor is used for adjusting the measuring angle of the measuring assembly; the test platform is arranged below the measuring component and used for fixing the display screen to be tested.
Description
Technical Field
The application relates to the field of display screen optical measurement, in particular to a display screen optical measurement device capable of being used for multi-angle measurement.
Background
During the actual use of the display screen, a user may view the display screen from a plurality of different angles, such as a front view angle, a front side angle, a rear side angle, a left side angle and a right side angle. Therefore, in order to improve the use effect of the display screen, a plurality of photoelectric characteristic parameters such as uniformity, contrast and color of the display screen at different viewing angles need to be tested in the production process of the display screen.
At present, in order to realize multi-angle optical measurement of a display screen, most of optical measurement devices adopt a novel integrated measuring instrument. However, the position of the measuring device in the arc-shaped hole needs to be manually adjusted to adjust the angle of the integrated measuring instrument, and the integrated measuring instrument is limited by the size and the structure of the instrument body, so that only fixed angles can be adjusted, all required measuring angles cannot be met, and the measuring precision is greatly reduced.
SUMMERY OF THE UTILITY MODEL
The application provides a display screen optical measurement device that can be used to multi-angle measurement can improve and carry out optical measurement's measurement accuracy to the display screen that awaits measuring.
The application provides a display screen optical measurement device that can be used to multi-angle measurement includes: the device comprises a main body fixing frame, at least one fan-shaped motor, a fan-shaped fixing frame, at least one measuring assembly and a test platform;
the fan-shaped fixing frame is arranged on the main body fixing frame, and the main body fixing frame is used for fixing the fan-shaped fixing frame;
the fan-shaped motor is arranged on the fan-shaped fixing frame, and the fan-shaped fixing frame is used for fixing the fan-shaped motor;
the measuring component is arranged below the fan-shaped motor, and the fan-shaped motor is used for adjusting the measuring angle of the measuring component;
the test platform is arranged below the measuring component and used for fixing a display screen to be tested.
Optionally, the display screen optical measurement apparatus further includes: a rotating electric machine;
the body of the rotating motor is fixed on the main body fixing frame;
and a rotating shaft of the rotating motor is connected with the top of the fan-shaped fixing frame.
Optionally, the display screen optical measurement apparatus further includes: a first axial motor and a movable device;
the body of the first axial motor is fixed on the main body fixing frame;
the movable device is movably connected with the main body fixing frame;
the fan-shaped fixing frame is fixed on the movable device;
the rotating shaft of the first axial motor is connected with the movable device, and the first axial motor is used for changing the position of the sector fixed frame on the Y axis by driving the movable device.
Optionally, the measuring assembly includes: an optical probe, an optical fiber and an analysis terminal;
the optical fiber is respectively connected with the optical probe and the analysis terminal;
the optical probe is fixed on the fan-shaped motor.
Optionally, the analysis terminal is a spectrometer.
Optionally, the analysis terminal is a colorimeter.
Optionally, the test platform includes: the device comprises a bearing platform and a crimping device;
the crimping device is arranged on the bearing platform, the bearing platform is used for placing the display screen to be tested, and the crimping device is used for fixing the display screen to be tested on the bearing platform.
Optionally, the crimping device comprises; the compression joint, the compression joint fixing platform, the second axial motor and the third axial motor are arranged on the compression joint;
the crimping head is connected with the second axial motor, and the second axial motor is used for driving the crimping head to move along the Z axis;
the second axial motor is fixed on the crimping fixing platform;
the third axial motor is connected with the crimping fixing platform and used for changing the position of the crimping head on the Y axis by driving the crimping fixing platform.
Optionally, the test platform further includes: a UVW motion platform;
the UVW motion platform is arranged below the bearing platform.
Optionally, the sector fixing frame includes: the connecting platform and the at least one fan-shaped supporting arm;
the fan-shaped motor is fixed on the fan-shaped supporting arm;
the connecting platform is respectively connected with the main body fixing frame and the fan-shaped supporting arm.
According to the technical scheme, the method has the following effects:
the fan-shaped fixing frame is arranged on the main body fixing frame, and the main body fixing frame is used for fixing the fan-shaped fixing frame; the fan-shaped motor is arranged on the fan-shaped fixing frame, and the fan-shaped fixing frame is used for fixing the fan-shaped motor; the measuring assembly is respectively arranged below the fan-shaped motor and the fan-shaped fixing frame, and the fan-shaped motor is used for adjusting the measuring angle of the measuring assembly; the test platform is arranged below the measuring component and used for fixing the display screen to be tested. Through like this, can carry out optical measurement to the display screen that awaits measuring by the last measuring component of fan-shaped motor, carry out automatic adjustment by fan-shaped motor to the angle of measuring the visual angle, need not artifical the participation in the measurement process and fan-shaped motor can provide all required measurement angles to can improve and carry out optical measurement's measurement accuracy to the display screen that awaits measuring.
Drawings
FIG. 1 is a schematic view of the overall structure of an optical measurement device of a display screen according to the present application;
FIG. 2 is a schematic side view of a display screen optical measuring device of the present application;
FIG. 3 is a schematic structural diagram of a test platform according to the present application;
fig. 4 is a schematic structural diagram of a sector fixing frame, a sector motor and a measuring assembly in the application.
Detailed Description
In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for explaining relative positional relationships between the respective members or components, and do not particularly limit specific mounting orientations of the respective members or components.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In addition, the structures, the proportions, the sizes, and the like, which are illustrated in the accompanying drawings and described in the present application, are intended to be considered illustrative and not restrictive, and therefore, not limiting, since those skilled in the art will understand and read the present application, it is understood that any modifications of the structures, changes in the proportions, or adjustments in the sizes, which are not necessarily essential to the practice of the present application, are intended to be within the scope of the present disclosure without affecting the efficacy and attainment of the same.
The application provides a display screen optical measurement device that can be used to multi-angle measurement for improve and carry out optical measurement's measurement accuracy to the display screen that awaits measuring.
The display screen optical measurement device capable of being used for multi-angle measurement is applied to the field of optical detection of display screens, and multi-angle and multi-direction optical measurement is carried out on the display screens in the production process of the display screens, so that the yield of the display screens is improved.
Referring to fig. 1, the display screen optical measuring device for multi-angle measurement in the present embodiment includes: the device comprises a main body fixing frame 1, at least one fan-shaped motor 2, a fan-shaped fixing frame 3, at least one measuring component 4 and a testing platform 5; the fan-shaped fixing frame 3 is arranged on the main body fixing frame 1, and the main body fixing frame 1 is used for fixing the fan-shaped fixing frame 3; the fan-shaped motor 2 is arranged on a fan-shaped fixing frame 3, and the fan-shaped fixing frame 3 is used for fixing the fan-shaped motor 2; the measuring component 4 is arranged below the fan-shaped motor 2, and the fan-shaped motor 2 is used for adjusting the measuring angle of the measuring component 4; the testing platform 5 is arranged below the measuring component 4, and the testing platform 5 is used for fixing the display screen to be tested.
In this embodiment, the sector motor 2 is an arc motor that can repeatedly swing within a limited angle, and the rotating part of the sector motor 2 is composed of a coil and a magnetic track, and the connecting structure of the coil and the magnetic track can be flexibly selected in the actual use process, so that the output torque can be improved by the multi-coil structure, and the stroke range can be increased by the multi-magnetic track structure. Because the measuring component 4 that looks sideways at the angle measurement is fixed in fan-shaped motor 2 to the display screen that awaits measuring, consequently fan-shaped motor 2's stroke scope can directly influence the angle of adjustability that looks sideways at the angle, can select the stroke scope that corresponds fan-shaped motor 2 according to the measurement demand of difference in the measurement process, and specific fan-shaped motor 2's stroke scope here does not do the restriction, for example: the user usually looks at the angle between positive viewing angle and 75 degrees relative to positive viewing angle in the process of using the display screen, so that the fan-shaped motor 2 can select the stroke range of 75 degrees, and the measuring component 4 can measure the optical data of the display screen to be tested at the side viewing angle of 0-75 degrees, wherein 0 degree is the direction of the positive viewing angle.
The number of the fan motors 2 and the measuring assemblies 4 can be configured according to actual measurement requirements, for example: the quantity that can select sector motor 2 is four, measuring component 4 is five, sector motor 2 is fixed on fan-shaped mount 3 with the crossing mode of cross, measuring component 4 on the fan-shaped mount 3 is used for carrying out the measurement at positive visual angle, measuring component 4 on four sector motor 2 is used for carrying out the front side visual angle respectively, the back looks at the angle, the measurement at left side visual angle and right side visual angle, can adjust the angle at multiple side visual angle when carrying out the measurement at multiple visual angles like this in real time, can greatly improve measurement of efficiency when guaranteeing measurement accuracy.
In this embodiment, can carry out optical measurement to the display screen that awaits measuring by measuring component 4 on the fan-shaped motor 2, carry out automatic adjustment by fan-shaped motor 2 to the angle of measuring the visual angle, need not artifical the participation and fan-shaped motor 2 can provide all required measurement angles in the measurement process to can improve and carry out optical measurement's measurement accuracy to the display screen that awaits measuring.
Optionally, referring to fig. 1, the display screen optical measuring device for multi-angle measurement in this embodiment further includes: a rotating electrical machine 6; the body of the rotating motor 6 is fixed on the main body fixing frame 1; the rotating shaft of the rotating motor 6 is connected with the top of the fan-shaped fixing frame 3.
In this embodiment, can set up rotating electrical machines 6 and be connected with the rotation mount, when rotating electrical machines 6 began to operate, rotating electrical machines 6's rotation axis area fan-shaped mount 3 was rotatory, was fixed in measuring component 4 on fan-shaped mount 3 and was fixed in measuring component 4 on fan-shaped motor 2 and also followed the rotation this moment. When the rotating shaft of the rotating motor 6 runs for one circle, the measuring component 4 on the fan-shaped motor 2 can complete the measurement of any side visual angle in the direction of 0-360 degrees, so that the measuring precision and the measuring efficiency can be improved.
Optionally, referring to fig. 1, the display screen optical measuring device for multi-angle measurement in this embodiment further includes: a first axial motor 7 and a movable device 8; the body of the first axial motor 7 is fixed on the main body fixing frame 1; the movable device 8 is movably connected with the main body fixing frame 1; the fan-shaped fixing frame 3 is fixed on the movable device 8; the rotation shaft of the first axial motor 7 is connected to the movable device 8, and the first axial motor 7 is used to change the position of the sector-shaped fixing frame 3 on the Y-axis by driving the movable device 8.
In this embodiment, the first axial motor 7 and the movable device 8 may be connected to the sector fixing frame 3, when the first axial motor 7 starts to operate, the rotation shaft of the first axial motor 7 starts to operate and drives the movable device 8 to move on the main body fixing frame 1, because the sector fixing frame 3 is fixed to the movable device 8, the sector fixing frame 3 also moves along with the movable device 8, and at this time, the measuring component 4 fixed to the sector fixing frame 3 and the measuring component 4 fixed to the sector motor 2 move along with the sector fixing frame 3 in the Y-axis direction. Therefore, the measuring component 4 can move freely in the Y-axis direction, and the measuring point on the display screen to be tested can be replaced conveniently.
Alternatively, referring to fig. 1, the measuring assembly 4 in the present embodiment includes: an optical probe 41, an optical fiber 42, and an analysis terminal 43; the optical fiber 42 is connected to the optical probe 41 and the analysis terminal 43; the optical probe 41 is fixed to the sector motor 2.
In this embodiment, the optical probe 41 may perform optical radiation detection on the display screen to be tested, and transmit the detected optical radiation to the analysis terminal 43 through the optical fiber 42, so that the analysis terminal 43 performs data analysis. Since the transmission distance of the optical fiber 42 is long, the analysis terminal 43 can be placed outside the display screen optical measurement device, and the optical measurement can be completed only by fixing the optical probe 41 to the sector motor 2. Thus, the problem of structural interference of the analysis terminal 43 with other components of the display screen optical measurement device can be reduced, and optical data measurement under conditions of good ambient temperature and relative ambient humidity can be realized.
Alternatively, referring to fig. 1, the analysis terminal 43 in this embodiment is a spectrometer.
Optionally, referring to fig. 1, the analysis terminal 43 in this embodiment is a colorimeter.
In this embodiment, the analysis terminal 43 may use a spectrometer to analyze the photoelectric characteristic data, where the spectrometer is a scientific instrument that decomposes light with complex components into spectral lines, and is composed of a prism or a diffraction grating. The spectrometer is used for observing, analyzing and processing the structure and the components of a substance by applying an optical principle, and has the advantages of high analysis precision, large measurement range, high speed, small sample consumption and the like. The analysis terminal 43 may analyze the photoelectric characteristic data by using a colorimeter, which is a device for measuring the tristimulus values or chromaticity coordinates of the object color, and may measure and analyze the color, hue, and color value of the sample to be measured. The colorimeter adopts the mode of imitating human eyes to perceive colors, incident light irradiates from a light source of the colorimeter and is emitted to the surface of a measured sample, after light is absorbed by the sample, the light is reflected back to the surface and is filtered by a three-color filter, and the tristimulus values are extracted through the color filter. The specific structure of the analysis terminal 43 is not limited herein.
Optionally, referring to fig. 1, the test platform 5 in the embodiment includes: a load-bearing platform 51 and a crimping device 52; the crimping device 52 is disposed on the bearing platform 51, the bearing platform 51 is used for placing a display screen to be tested, and the crimping device 52 is used for fixing the display screen to be tested on the bearing platform 51.
In this embodiment, when the display screen to be tested needs to be optically measured, the display screen to be tested can be placed in the designated test area on the bearing platform 51 through manual placement or an automatic gripping device, and the display screen to be tested is fixed on the designated test area through the crimping device 52, so that the situation that the display screen to be tested deviates in the test process can be reduced.
Optionally, referring to fig. 1, the crimping apparatus 52 in this embodiment includes; a crimping head 521, a crimping fixing platform 522, a second axial motor 523 and a third axial motor 524; the crimping head 521 is connected with a second axial motor 523, and the second axial motor 523 is used for driving the crimping head 521 to move along the Z axis; the second axial motor 523 is fixed to the crimping fixing platform 522; a third axial motor 524 is connected to the crimp fixing platform 522, and the third axial motor 524 is used to change the position of the crimp head 521 on the Y-axis by driving the crimp fixing platform 522.
In this embodiment, when the second axial motor 523 starts to operate, the rotation shaft of the second axial motor 523 starts to operate and drives the press contact 521 to move along the Z-axis direction, so that the pressing and releasing operations of the press contact 521 can be accurately controlled, and the press tightness of the press contact 521 can be adjusted. When the third axial motor 524 starts to operate, the rotation shaft of the third axial motor 524 starts to act and drives the pressing and fixing platform 522 to move along the Y-axis direction, and since the second axial motor 523 connected to the pressing and connecting head 521 is fixed to the pressing and fixing platform 522, the pressing and connecting head 521 also moves along the Y-axis direction along with the pressing and fixing platform 522, so that the pressing and connecting position of the pressing and connecting head 521 can be adjusted in real time to adapt to the actual placing position of the display screen to be tested.
Optionally, referring to fig. 1, the test platform 5 in this embodiment further includes: a UVW motion stage 53; the UVW motion platform 53 is disposed below the carrying platform 51.
In this embodiment, the UVW motion platform 53 may be connected to the carrying platform 51, the UVW motion platform 53 includes a U-axis motor, a V-axis motor and a W-axis motor, the UVW motion platform 53 may rotate around any point of the working plane in the X direction, the Y direction and the central point, so as to satisfy motion in the XY θ three-axis direction, and the UVW motion platform 53 has characteristics of simple structure, flexible motion and high motion precision. When only the W-axis motor acts, the W-axis motor drives the UVW motion platform 53 to move along the X-axis direction; when the U-axis motor and the V-axis motor act simultaneously, the U-axis motor and the V-axis motor drive the UVW motion platform 53 to move along the Y-axis direction; when the U-axis motor, the V-axis motor, and the W-axis motor are simultaneously operated, the U-axis motor, the V-axis motor, and the W-axis motor drive the UVW moving platform 53 to simultaneously move along the X-axis and Y-axis directions or rotate by an angle θ along the central point. In this way, the fine alignment adjustment of the carrying platform 51 can be performed by adjusting the position of the UVW moving platform 53 in the XY θ direction.
Optionally, referring to fig. 1, the fan-shaped fixing frame 3 in the present embodiment includes: a connecting platform 31 and at least one sector-shaped supporting arm 32; the fan-shaped motor 2 is fixed on the fan-shaped supporting arm 32; the connecting platform 31 is connected to the main body mount 1 and the fan-shaped support arm 32.
In this embodiment, the number of the fan-shaped supporting arms 32 may be configured according to the actual number of the fan-shaped motors 2, and the specific number of the fan-shaped supporting arms 32 is not limited herein, for example: the quantity that can select sector motor 2 is four, and measuring unit 4 is five, and on sector support arm 32 was fixed in connection platform 31 with the crossing mode of cross, sector motor 2 was fixed in respectively on sector support arm 32, and measuring unit 4 on the fan-shaped mount 3 was used for carrying out the measurement of positive visual angle, and measuring unit 4 on four sector motor 2 was used for carrying out the measurement of front side visual angle, back side visual angle, left side visual angle and right side visual angle respectively.
It should be noted that the above-mentioned disclosure and specific embodiments are intended to demonstrate the practical application of the technical solutions provided in the present application, and should not be construed as limiting the scope of protection of the present application. Various modifications, equivalent substitutions, or improvements may be made by those skilled in the art within the spirit and principles of the present application. The protection scope of this application is subject to the appended claims.
Claims (10)
1. A can be used to multi-angle measuring display screen optical measurement device which characterized in that includes: the device comprises a main body fixing frame, at least one fan-shaped motor, a fan-shaped fixing frame, at least one measuring assembly and a test platform;
the fan-shaped fixing frame is arranged on the main body fixing frame, and the main body fixing frame is used for fixing the fan-shaped fixing frame;
the fan-shaped motor is arranged on the fan-shaped fixing frame, and the fan-shaped fixing frame is used for fixing the fan-shaped motor;
the measuring assembly is arranged below the fan-shaped motor, and the fan-shaped motor is used for adjusting the measuring angle of the measuring assembly;
the test platform is arranged below the measuring component and used for fixing a display screen to be tested.
2. A screen optical measuring device according to claim 1, wherein the screen optical measuring device further comprises: a rotating electric machine;
the body of the rotating motor is fixed on the main body fixing frame;
and a rotating shaft of the rotating motor is connected with the top of the fan-shaped fixing frame.
3. A screen optical measuring device according to claim 1, wherein the screen optical measuring device further comprises: a first axial motor and a movable device;
the body of the first axial motor is fixed on the main body fixing frame;
the movable device is movably connected with the main body fixing frame;
the fan-shaped fixing frame is fixed on the movable device;
the rotating shaft of the first axial motor is connected with the movable device, and the first axial motor is used for changing the position of the sector fixed frame on the Y axis by driving the movable device.
4. A display screen optical measurement device as claimed in claim 1 wherein the measurement assembly comprises: an optical probe, an optical fiber and an analysis terminal;
the optical fiber is respectively connected with the optical probe and the analysis terminal;
the optical probe is fixed on the fan-shaped motor.
5. The display screen optical measurement device of claim 4, wherein the analysis terminal is a spectrometer.
6. The display screen optical measurement device of claim 4, wherein the analysis terminal is a colorimeter.
7. The display screen optical measurement device of claim 1, wherein the test platform comprises: the device comprises a bearing platform and a crimping device;
the crimping device is arranged on the bearing platform, the bearing platform is used for placing the display screen to be tested, and the crimping device is used for fixing the display screen to be tested on the bearing platform.
8. The display screen optical measurement device of claim 7, wherein the crimping means comprises; the compression joint, the compression joint fixing platform, the second axial motor and the third axial motor are arranged on the compression joint;
the crimping head is connected with the second axial motor, and the second axial motor is used for driving the crimping head to move along the Z axis;
the second axial motor is fixed on the crimping fixing platform;
the third axial motor is connected with the crimping fixing platform and used for changing the position of the crimping head on the Y axis by driving the crimping fixing platform.
9. The display screen optical measurement device of claim 7, wherein the test platform further comprises: a UVW motion platform;
the UVW motion platform is arranged below the bearing platform.
10. A display screen optical measurement device in accordance with any one of claims 1 to 9, wherein the fan mount comprises: the connecting platform and the at least one fan-shaped supporting arm;
the fan-shaped motor is fixed on the fan-shaped supporting arm;
the connecting platform is respectively connected with the main body fixing frame and the fan-shaped supporting arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221276327.8U CN217586256U (en) | 2022-05-25 | 2022-05-25 | Display screen optical measurement device for multi-angle measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221276327.8U CN217586256U (en) | 2022-05-25 | 2022-05-25 | Display screen optical measurement device for multi-angle measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217586256U true CN217586256U (en) | 2022-10-14 |
Family
ID=83554870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221276327.8U Active CN217586256U (en) | 2022-05-25 | 2022-05-25 | Display screen optical measurement device for multi-angle measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217586256U (en) |
-
2022
- 2022-05-25 CN CN202221276327.8U patent/CN217586256U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107664478B (en) | Vertical non-contact gyrosome high-precision measuring device and measuring method thereof | |
| CN101144766B (en) | Full-automatic microhardness measuring system | |
| CN209459871U (en) | A kind of multi-functional endoscope detecting device | |
| CN208476801U (en) | A kind of robot vision identification and detection device | |
| CN111076855A (en) | Glass stress detection device | |
| CN110333051A (en) | A kind of test equipment and method of semiconductor laser chip | |
| CN112871725A (en) | Automatic test marking system and method for semiconductor laser | |
| CN109855796A (en) | A kind of testing machine force value automated calibration system and method | |
| CN112596165A (en) | Automatic coupling device for optical fiber waveguide array | |
| CN217586256U (en) | Display screen optical measurement device for multi-angle measurement | |
| CN115014715A (en) | Display screen optical measurement device for multi-angle measurement | |
| CN108519337A (en) | A kind of farm product tissue optical property parameter detection device based on simple integral ball | |
| CN215178522U (en) | HUD testing arrangement | |
| CN208316896U (en) | A kind of 3D camera detecting device | |
| CN208420338U (en) | A kind of 3D camera automatic checkout equipment | |
| CN207964249U (en) | A kind of measurement jig of virtual reality head-mounted display equipment | |
| JPH05157790A (en) | Device for inspecting probe card | |
| CN207133167U (en) | A kind of novel multi-channel cell counter and multichannel cell count system | |
| CN214621467U (en) | Optical measurement device with double rotating shafts | |
| CN212432490U (en) | Tool jig for testing multidirectional adjustment of curve angle of optical product | |
| CN221826757U (en) | Contrast tester | |
| CN201561741U (en) | Object three-dimensional contour measuring apparatus with laser ranging probe | |
| CN209296218U (en) | A kind of testing machine force value automated calibration system | |
| CN210293621U (en) | Photochromic testing device | |
| CN218584315U (en) | Test bench for vehicle head-up display system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |