CN217687815U - Multi-angle brightness attenuation measuring device - Google Patents
Multi-angle brightness attenuation measuring device Download PDFInfo
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- CN217687815U CN217687815U CN202221046098.0U CN202221046098U CN217687815U CN 217687815 U CN217687815 U CN 217687815U CN 202221046098 U CN202221046098 U CN 202221046098U CN 217687815 U CN217687815 U CN 217687815U
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Abstract
The utility model provides a multi-angle brightness attenuation measuring device for measure display screen luminance, including color analysis appearance, place the platform, angle regulator, display screen driver and the drive module that has optical probe, the display screen is fixed in place the platform is last, place the platform install in with the regulation on the angle regulator place the platform's inclination, color analysis appearance, display screen driver and drive module set up in the place the platform side, optical probe set up in just on the drive module optical probe suspension in place the platform top, the drive module is used for the drive optical probe's removal, the display screen driver with the display screen electricity is connected. The utility model discloses compare in artifical measurement, not only convenient operation to measuring effect is good.
Description
Technical Field
The utility model belongs to the technical field of measuring device technique and specifically relates to indicate a multi-angle luminance decay measuring device.
Background
The actual brightness of the display screen at different angles still has a large difference due to the difference of electronic components in the existing display screen. The current solution is to adjust the actual brightness of the display screen at different angles according to the visual perception of the debugging personnel, and then to retain the corresponding parameters. However, the disadvantage of this method is that the adjustment is performed by the subjective visual perception of the debugging personnel, and due to the difference of the subjective perception of the debugging personnel and various reasons such as the angle of viewing the screen, the distance, the brightness of the picture itself, and the non-uniformity of the indoor light, the actual brightness of the screen under different angles inevitably has a certain error, and this error will be highlighted under some special pictures, which will seriously affect the picture quality and the overall display effect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a multi-angle brightness attenuation measuring device solves above-mentioned technical problem to a certain extent at least.
The embodiment of the utility model provides a multi-angle brightness attenuation measuring device for measure display screen luminance, including color analysis appearance, place the platform, angle regulator, display screen driver and the drive module that has optical probe, the display screen is fixed in place the platform is last, place the platform install in with the regulation on the angle regulator place platform's inclination, color analysis appearance, display screen driver and drive module set up in the place the platform side, optical probe set up in drive module is last just optical probe suspension in place the platform top, the drive module is used for the drive optical probe's removal, the display screen driver with the display screen electricity is connected.
Further, the placing platform comprises a first side surface far away from the optical probe and a second side surface connected with the first side surface, and the first side surface and the second side surface are arranged perpendicularly;
the angle adjuster comprises an adjusting group and a scale display group, the adjusting group is arranged on the first side face, the adjusting group is arranged in parallel with the first side face, the scale display group is arranged on the second side, the scale display group is arranged in parallel with the second side, and the adjusting group is meshed with the scale display group.
Further, the placing platform further comprises a third side surface facing the optical probe, and the third side surface is connected with the second side;
the adjusting set comprises an angle adjusting handle, a first adjusting block, a second adjusting block and a positioning plate, the first adjusting block and the second adjusting block are sequentially arranged on the first side face at intervals, the positioning plate is arranged on the third side face close to one side of the second side face, the second adjusting block corresponds to the positioning plate, and the angle adjusting handle sequentially penetrates through the first adjusting block, the second adjusting block and the scale display set to be meshed.
Further, scale display group includes regulating plate, fixed plate, rotation adjustment handle and rotating-tube, the regulating plate with the fixed plate sets up relatively, place the platform set up in the regulating plate with between the fixed plate, it passes to rotate adjustment handle the regulating plate with place the platform is connected, the rotating-tube passes the fixed plate with place the platform is connected, rotate adjustment handle with the rotating-tube is connected and is rotated in step, rotate adjustment handle with the meshing of angle adjustment handle.
Furthermore, the angle adjusting and limiting device comprises an angle adjusting and limiting group, wherein a limiting groove is formed in the fixing plate, the angle adjusting and limiting group comprises an adjusting pressing block, an angle pulling handle, a first connecting piece and a second connecting piece, the adjusting pressing block is fixed at the top end of the fixing plate, one end of the angle pulling handle is connected with the rotating pipe, the angle pulling handle and the rotating pipe rotate synchronously, the first connecting piece penetrates through the limiting groove to be connected with the other end of the angle pulling handle, the first connecting piece and the angle pulling handle rotate synchronously, and the second connecting piece penetrates through the adjusting pressing block to be connected with the angle pulling handle.
Further, the rotation angle of the angle adjuster is 0-90 °.
Furthermore, the placing platform further comprises a third side surface facing the optical probe, a quick clamp and a plurality of positioning sheets, the quick clamp is arranged at one corner of the third side surface, the third side surface is provided with a plurality of sliding grooves, each positioning sheet is arranged in the corresponding sliding groove, and each positioning sheet is arranged on the periphery of the third side surface.
Further, the drive module includes driving piece, mount, horizontal support piece, vertical support piece and mounting panel, the mount set up in place the platform side, the driving piece horizontal support piece connect in on the mount, just the driving piece with horizontal support piece connects with the drive horizontal support piece removes, vertical support piece connect in on the horizontal support, the mounting panel both ends respectively with horizontal support piece vertical support piece connects, optical probe install in on the mounting panel.
Further, the display screen driving device further comprises an angle display, and the angle display is installed beside the display screen driver.
Furthermore, the device comprises a base and a supporting cushion block, wherein the supporting cushion block is arranged on the placing platform, the angle regulator is arranged on the display screen driver and the driving module is arranged on the base, the driving module and the display screen driver are oppositely arranged on two sides of the placing platform, the supporting cushion block is arranged below the placing platform, and the supporting cushion block is arranged on the placing platform and is far away from the angle regulator, so that the placing platform is abutted against the supporting cushion block, and the placing platform is arranged in parallel with the base.
The embodiment of the utility model provides a beneficial effect lies in: the embodiment of the utility model provides a multi-angle brightness attenuation measuring device for measure display screen luminance, including color analysis appearance, place the platform, angle regulator, display screen driver and the drive module that has optical probe, the display screen is fixed in place the platform is last, place the platform install in with the regulation on the angle regulator place platform's inclination, color analysis appearance, display screen driver and drive module set up in the place the platform side, optical probe set up in drive module is last just optical probe suspension in place the platform top, the drive module is used for the drive optical probe's removal, the display screen driver with the display screen electricity is connected. The utility model adjusts the inclination angle of the placing platform through the angle adjuster, so as to drive the inclination of the display screen, then the optical probe is utilized to collect and analyze the brightness and color of the display screen under different angles, and further the display quality of the display screen is measured, the driving module is matched to drive the movement of the optical probe to measure the brightness and color condition of the display screen under different angles, and the display screen driver is utilized to ensure the normal luminescence of the display screen; compared with manual measurement, the method is convenient to operate and good in measurement effect.
Drawings
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a multi-angle brightness attenuation measuring device according to an embodiment of the present invention;
fig. 2 is a first angle schematic diagram of the placing platform and the angle adjuster according to an embodiment of the present invention;
fig. 3 is a second angle schematic view of the placing platform and the angle adjuster according to the embodiment of the present invention;
fig. 4 is a third schematic angle diagram of the placing platform and the angle adjuster according to the embodiment of the present invention;
fig. 5 is a schematic structural diagram of a driving module according to an embodiment of the present invention;
fig. 6 is a schematic view of a viewing angle test provided by an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Please refer to fig. 1, the embodiment of the utility model provides a multi-angle brightness attenuation measuring device, be used for measuring 01 luminance of display screen, including the color analyzer 1 that has optical probe 11, place the platform 2, angle regulator 3, display screen driver 4 and drive module 5, display screen 01 is fixed in on the place the platform 2, place the platform 2 is installed in order to adjust place the platform 2's inclination on angle regulator 3, color analyzer 1, display screen driver 4 and drive module 5 set up in place the platform 2 side, optical probe 11 sets up on drive module 5 and optical probe 11 suspension place in place the platform 2 top, drive module 5 is used for driving optical probe 11's removal, display screen driver 4 is connected with 01 electricity of display screen.
The utility model discloses an inclination that placing platform 2 was adjusted to angle regulator 3 to this slope that drives display screen 01, then utilize optical probe 11 to carry out the collection analysis to the luminance color under the different angles of display screen 01, and then measure the display quality of display screen 01, cooperate the removal that drive module drove optical probe 11 to measure the luminance color condition of display screen 01 under the different angles, and utilize display screen driver 4 to ensure the normal luminescence of display screen 01; compared with manual measurement, the method is convenient to operate and good in measurement effect.
Further, referring to fig. 2 to 4, the placing platform 2 includes a first side 21 away from the optical probe 11 and a second side 22 connected to the first side 21, wherein the first side 21 and the second side 22 are disposed perpendicularly; the angle adjuster 3 includes an adjusting group 31 and a scale display group 32, the adjusting group 31 is disposed on the first side surface 21, the adjusting group 31 is disposed parallel to the first side surface 21, the scale display group 32 is disposed on the second side 22, the scale display group 32 is disposed parallel to the second side 22, and the adjusting group 31 is engaged with the scale display group 32.
In this embodiment, the adjusting group 31 is perpendicular to the scale display group 32, and the adjusting group 31 is engaged with the scale display group 32; the adjusting set 31 is disposed on the first side of the placing platform 2, the angle adjuster 3 is disposed on the second side 22, and the placing platform 2 can perform a turning motion with the angle adjuster 3 as a base, that is, a side of the placing platform 2 disposed opposite to the second side 22 can move toward a direction close to or away from the optical probe 11; the rotation that drives scale display group 32 through adjusting 31 angle regulation drives the upset that drives place the platform 2 with this to utilize scale display group 32 to show angle regulation, the convenient rotation angle of directly knowing.
Further, referring to fig. 2 and 3, the placing platform 2 further includes a third side 23 facing the optical probe 11, and the third side 23 is connected to the second side 22; the adjusting set 31 includes an angle adjusting handle 311, a first adjusting block 312, a second adjusting block 313 and a positioning plate 314, the first adjusting block 312 and the second adjusting block 313 are sequentially arranged on the first side 21 at intervals, the positioning plate 314 is arranged on one side of the third side 23 close to the second side 22, the second adjusting block 313 and the positioning plate 314 are correspondingly arranged, and the angle adjusting handle 311 sequentially passes through the first adjusting block 312 and the second adjusting block 313 to be engaged with the scale display set 32.
In this embodiment, the angle adjustment handle 311 is used to adjust the angle of the placing platform 2, in order to fix the angle adjustment handle 311, a first adjusting block 312 and a second adjusting block 313 are disposed on the first side surface 21 of the placing platform 2, the first adjusting block 312 is disposed at a position far away from the second side 22, the second adjusting block 313 is disposed at a position close to the second side 22, a positioning plate 314 is disposed on the first side surface 21 and corresponds to the second adjusting block 313, and the angle adjustment handle 311 sequentially passes through the first adjusting block 312 and the second adjusting block 313 to be engaged with the scale display set 32; in order to increase the stability between first adjusting block 312 and second adjusting block 313 and prevent first adjusting block 312 and second adjusting block 313 from moving due to rotation of angle adjusting handle 311, a guide tube is arranged between first adjusting block 312 and second adjusting block 313.
Further, referring to fig. 3 and 4, the scale display unit 32 includes an adjusting plate 321, a fixing plate 322, a rotation adjusting handle 323, and a rotation tube 324, wherein the adjusting plate 321 is disposed opposite to the fixing plate 322, the placing platform 2 is disposed between the adjusting plate 321 and the fixing plate 322, the rotation adjusting handle 323 passes through the adjusting plate 321 to be connected to the placing platform 2, the rotation tube 324 passes through the fixing plate 322 to be connected to the placing platform 2, the rotation adjusting handle 323 is connected to the rotation tube 324 and rotates synchronously, and the rotation adjusting handle 323 is engaged with the angle adjusting handle 311.
In this embodiment, the adjusting plate 321 and the fixing plate 322 are fixed on a plane to serve as a base; at this time, the second side 22 of the placing platform 2 is connected to the adjusting plate 321 and the fixing plate 322 through the rotating adjusting handle 323 and the rotating pipe 324, so that one side of the placing platform 2 has a rotating shaft to drive the other side to rotate; it should be noted that the adjusting plate 321 is provided with corresponding scale lines to facilitate reading, and the rotating adjusting handle 323 is provided with a pointer structure 325, and the pointer structure 325 rotates synchronously with the rotating adjusting handle 323 to indicate the rotating angle at this time.
Further, please refer to fig. 3 and 4, further comprising an angle adjusting and limiting group 6, the fixing plate 322 is provided with a limiting groove 3221, the angle adjusting and limiting group 6 comprises an adjusting press block 61, an angle pulling handle 62, a first connecting member 63 and a second connecting member 64, the adjusting press block 61 is fixed at the top end of the fixing plate 322, one end of the angle pulling handle 62 is connected with the rotating tube 324, the angle pulling handle 62 and the rotating tube 324 rotate synchronously, the first connecting member 63 passes through the limiting groove 3221 to be connected with the other end of the angle pulling handle 62, the first connecting member 63 and the angle pulling handle 62 rotate synchronously, and the second connecting member 64 passes through the adjusting press block 61 to be connected with the angle pulling handle 62; the angle adjuster 3 is rotated at an angle of 0 to 90 °.
In this embodiment, in order to avoid the rotation angle of the placing platform 2 exceeding the limit and affecting the measurement result, an angle adjustment limiting group 6 is disposed at the fixing plate 322 for preventing the rotation angle from being too large. Specifically, the angle adjusting and limiting group 6 includes an adjusting press block 61, an angle pulling handle 62, a first connecting member 63 and a second connecting member 64, a limiting groove 3221 is formed on the fixing plate 322, and the limiting groove 3221 is arc-shaped to match with the rotation radian of the first connecting member 63. The angle-pulling handle 62 is a cam structure, the fixing plate 322 is fixedly connected with the adjusting press block 61 to fix the second connecting member 64, the rotating tube 324 is used as a driving member to be connected with one end of the cam, and the first connecting member 63 passes through the limiting groove 3221 to be connected with the other end of the cam. At this time, the rotating tube 324 rotates to drive the cam to rotate, at this time, the first connecting piece 63 rotates along the shape of the limiting groove 3221 in the limiting groove 3221, and the other end of the cam abuts against the second connecting piece 64 along with the rotation, and then drives the second connecting piece 64 to ascend; when the cam rotates to a certain degree, the first connecting piece 63 cannot rotate continuously due to the limiting effect of the limiting groove 3221, the second connecting piece 64 also rises to the highest position to play a limiting effect, and meanwhile, damage to the device or measurement error caused by over-rotation is avoided. In the present embodiment, the rotation angle of the angle adjuster 3 is preferably 0 to 90 °.
Further, the placing platform 2 further includes a third side 23 facing the optical probe 11, a quick clamp 24 and a plurality of positioning pieces 25, the quick clamp 24 is disposed at a corner of the third side 23, the third side 23 has a plurality of sliding slots 231, each positioning piece 25 is mounted on the corresponding sliding slot 231, and each positioning piece 25 is disposed around the third side 23.
In this embodiment, in order to better fix and match the size of the display screen 01, the third side 23 is provided with a plurality of sliding grooves 231, the positioning plate 25 is used for positioning and limiting the display screen 01, the positioning plate 25 can slide and position an area matched with the size of the sliding groove 231 according to the size of different display screens 01, and meanwhile, the quick clamp 24 is used for pressing and fixing, and the fixing or taking-off is convenient and quick.
Further, referring to fig. 5, the driving module 5 includes a driving member, a fixing frame 51, a horizontal supporting member 52, a vertical supporting member 53 and a mounting plate 54, the fixing frame 51 is disposed beside the placing platform 2, the driving member and the horizontal supporting member 52 are connected to the fixing frame 51, the driving member is connected to the horizontal supporting member 52 to drive the horizontal supporting member 52 to move, the vertical supporting member 53 is connected to the horizontal bracket, two ends of the mounting plate 54 are respectively connected to the horizontal supporting member 52 and the vertical supporting member 53, and the optical probe 11 is mounted on the mounting plate 54.
In this embodiment, the horizontal supporting member 52 is connected to the fixing frame 51 through a supporting block 55, the horizontal supporting member 52 is connected to the supporting block 55 through a sliding block 56, meanwhile, the horizontal supporting member 52 passes through the fixing frame 51 and the sliding block 56 and is connected to the mounting plate 54, the vertical supporting member 53 passes through a locking head 57 and is connected to the sliding block 56, the locking head 57 is connected to the mounting plate 54 towards one side of the optical probe 11, the optical probe 11 is mounted on the mounting plate 54, the supporting block 55 is driven by the driving member to move so as to drive the horizontal supporting member 52 to move in the horizontal direction, and then the optical probe 11 moves along with the movement. In some embodiments, the slider 56 and the locking head 57 are each provided with a locking member 58 for adjusting the protruding length of the horizontal support 52 and the vertical support 53. The driving member is mounted in the fixed frame 51. The driving piece can be an air cylinder, a motor or a screw rod structure.
Further, please refer to fig. 1, further comprising an angle display 7, wherein the angle display 7 is installed beside the display screen driver 4.
In this embodiment, in order to determine the rotation angle of the angle adjuster 3 more accurately and conveniently, the angle display 7 is used to display the rotation angle, an angle sensor is installed at the angle display 7 to sense the rotation angle, and the angle sensor is electrically connected to the angle display 7 to acquire information and display the information.
Further, please refer to fig. 1, further including a base 8 and a supporting cushion block 9, the placing platform 2, the angle adjuster 3, the display screen driver 4 and the driving module 5 are installed on the base 8, the driving module 5 and the display screen driver 4 are relatively disposed at two sides of the placing platform 2, the supporting cushion block 9 is disposed below the placing platform 2, and the supporting cushion block 9 is disposed at a side of the placing platform 2 away from the angle adjuster 3 so that the placing platform 2 abuts against the supporting cushion block 9, and the placing platform 2 and the base 8 are disposed in parallel.
In this embodiment, be provided with base 8 and be used for installing lip block 9, place platform 2, angle regulator 3, display screen driver 4 and drive module 5, in order to make place platform 2 rotate 0 when, can be in the horizontality simultaneously, and avoid rocking, utilize lip block 9 to support it fixedly. Note that the color analyzer 1 is a CA310 model, and the display driver 4 is a GX03A cartridge.
The specific test steps are as follows:
s110, calibrating an instrument;
s120, setting a view angle parameter: in order to measure optical data at different angles, the values of theta and phi are set according to specification requirements, and brightness measurement is carried out on white and black measurement graphs in four methods of 3, 6, 9 and 12 o' clock (namely, relative theta angle when phi = 0) (as shown in figure 6, wherein the test angle is calculated according to the specification requirement test);
s130, outputting the measurement data, and placing the measurement data in the following data processing formula:
wherein, contrast Ratio is Contrast Ratio, contrast definition Ratio is Contrast Ratio, and Luminance is Luminance.
And S140, judging whether the result is qualified or not.
The qualification criterion is set in the specification according to the corresponding specifications, and the ranges of the view angle, the contrast attenuation and the brightness attenuation are set.
To sum up, the utility model provides a multi-angle brightness attenuation measuring device adjusts the inclination of place the platform through the angle adjuster to this slope that drives the display screen, then utilizes the optical probe to carry out the collection analysis to the luminance color under the different angles of display screen, and then measures the display quality of display screen, cooperates the removal that drive module drove the optical probe to measure the luminance color condition of display screen under the different angles, and utilizes the normal luminescence of display screen driver to ensure the display screen; compared with manual measurement, the method is convenient to operate and good in measurement effect.
The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a multi-angle luminance decay measuring device for measure display screen luminance, its characterized in that, including color analysis appearance, place the platform, angle regulator, display screen driver and the drive module that has optical probe, the display screen is fixed in on the place the platform, place the platform install in with the regulation on the angle regulator place the platform's inclination, color analysis appearance, display screen driver and drive module set up in the place the platform side, optical probe set up in on the drive module just optical probe suspension in place the platform top, the drive module is used for the drive optical probe's removal, the display screen driver with the display screen electricity is connected.
2. The multi-angle luminance attenuation measurement device of claim 1, wherein the placement stage includes a first side remote from the optical probe and a second side connected to the first side, the first side being disposed perpendicular to the second side;
the angle adjuster comprises an adjusting group and a scale display group, the adjusting group is arranged on the first side face, the adjusting group is arranged in parallel with the first side face, the scale display group is arranged on the second side, the scale display group is arranged in parallel with the second side, and the adjusting group is meshed with the scale display group.
3. The multi-angle luminance attenuation measuring device of claim 2, wherein the placement stage further comprises a third side facing the optical probe, and the third side is connected to the second side;
the adjusting group comprises an angle adjusting handle, a first adjusting block, a second adjusting block and a positioning plate, wherein the first adjusting block and the second adjusting block are sequentially arranged on the first side face at intervals, the positioning plate is arranged on the third side face close to one side of the second side, the second adjusting block corresponds to the positioning plate, and the angle adjusting handle sequentially penetrates through the first adjusting block, the second adjusting block and the scale display group.
4. The multi-angle luminance attenuation measuring device of claim 3, wherein the scale display set comprises an adjusting plate, a fixing plate, a rotation adjusting handle and a rotation tube, the adjusting plate is disposed opposite to the fixing plate, the placing platform is disposed between the adjusting plate and the fixing plate, the rotation adjusting handle passes through the adjusting plate and is connected with the placing platform, the rotation tube passes through the fixing plate and is connected with the placing platform, the rotation adjusting handle is connected with the rotation tube and rotates synchronously, and the rotation adjusting handle is engaged with the angle adjusting handle.
5. The multi-angle luminance attenuation measuring device of claim 4, further comprising an angle adjustment limiting group, wherein the fixed plate is provided with a limiting groove, the angle adjustment limiting group comprises an adjusting press block, an angle pulling handle, a first connecting member and a second connecting member, the adjusting press block is fixed at the top end of the fixed plate, one end of the angle pulling handle is connected with the rotating tube and the angle pulling handle rotates synchronously with the rotating tube, the first connecting member passes through the limiting groove to be connected with the other end of the angle pulling handle and the first connecting member rotates synchronously with the angle pulling handle, and the second connecting member passes through the adjusting press block to be connected with the angle pulling handle.
6. The multi-angle luminance degradation measuring device of claim 1, wherein the angle adjuster has a rotation angle of 0-90 °.
7. The device for measuring luminance attenuation from multiple angles according to claim 1, wherein the placement platform further includes a third side facing the optical probe, a quick clamp disposed at a corner of the third side, and a plurality of positioning plates, the quick clamp has a plurality of sliding slots on the third side, each positioning plate is mounted on the corresponding sliding slot, and each positioning plate is disposed around the third side.
8. The device as claimed in claim 1, wherein the driving module comprises a driving member, a fixing frame, a horizontal supporting member, a vertical supporting member and a mounting plate, the fixing frame is disposed beside the platform, the driving member and the horizontal supporting member are connected to the fixing frame, the driving member is connected to the horizontal supporting member to drive the horizontal supporting member to move, the vertical supporting member is connected to the horizontal bracket, two ends of the mounting plate are respectively connected to the horizontal supporting member and the vertical supporting member, and the optical probe is mounted on the mounting plate.
9. The multi-angle luminance attenuation measurement device of claim 1, further comprising an angle display mounted beside the display screen driver.
10. The device according to claim 1, further comprising a base and a spacer, wherein the spacer, the placing platform, the angle adjuster, the display driver and the driving module are mounted on the base, the driving module and the display driver are disposed on two sides of the placing platform opposite to each other, the spacer is disposed under the placing platform, and the spacer is disposed on a side of the placing platform away from the angle adjuster, such that when the placing platform abuts against the spacer, the placing platform is disposed parallel to the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221046098.0U CN217687815U (en) | 2022-04-29 | 2022-04-29 | Multi-angle brightness attenuation measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221046098.0U CN217687815U (en) | 2022-04-29 | 2022-04-29 | Multi-angle brightness attenuation measuring device |
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| Publication Number | Publication Date |
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| CN217687815U true CN217687815U (en) | 2022-10-28 |
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| CN202221046098.0U Active CN217687815U (en) | 2022-04-29 | 2022-04-29 | Multi-angle brightness attenuation measuring device |
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| CN (1) | CN217687815U (en) |
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- 2022-04-29 CN CN202221046098.0U patent/CN217687815U/en active Active
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