CN214747818U - Optical film laminating angle measuring system - Google Patents

Abstract

The utility model provides an optical film laminating angle measurement system, include: the device comprises a carrier device, a light source module, a light intensity detection module and a micro control module, wherein the carrier device is provided with a polaroid and is used for driving the optical film positioned below the polaroid to horizontally rotate; the light source module is positioned above the carrier equipment and used for irradiating light rays onto the polaroid at an inclined angle; the light intensity detection module is positioned above the stage equipment and used for detecting the light intensity reflected by the optical film, the micro control module is electrically connected with the stage equipment and the light intensity detection module and used for controlling the rotation of the stage equipment according to the light intensity detected by the light intensity detection module. The utility model discloses with the accurate, confirm fast that the PET membrane is to the decay condition of light signal under different screen angle to be convenient for confirm best screen angle.

Description

Optical film laminating angle measuring system

Technical Field

The utility model relates to a detection area especially relates to an blooming laminating angle measurement system.

Background

With the continuous development and progress of science and technology, the market of electronic products using optical fingerprint screens is expanding, such as mobile phones, tablets, smartwatches, and the like, and basically, everyone owns one or more mobile phones. In the smart phone, the fingerprint under the screen improves the screen occupation ratio, the use is convenient and safe, people use the fingerprint to identify and unlock the mobile phone, carry out financial payment, ensure the transaction safety and the like in daily life, and therefore, the film is pasted to protect the optical fingerprint screen.

The optical screen collects reflected light from the finger in the working process of fingerprint identification so as to acquire fingerprint information. The light emitted by the mobile phone is polarized light, the common mobile phone film can strongly attenuate the polarized light, the use of the optical screen lower fingerprints can be further influenced, and the screen using the optical fingerprints is usually protected by a PET film, so that the use experience of a user is improved. However, the PET film cannot be freely attached to the screen, and it can greatly attenuate polarized light at certain angles, and only at certain angles, the intensity of the polarized light is not affected. Therefore, before cutting the PET film into finished products, the PET film manufacturer must accurately measure the screen angle of the PET film to ensure that the PET film can be used normally.

The traditional method for determining the optimal fitting angle of the PET film screen is generally manual screen-pasting testing, a plurality of screen-pasting angles need to be measured, angle film pasting and film tearing are changed manually and continuously, the problems of low measurement precision and low efficiency exist, the film is easy to damage after being pasted with the screen for many times, a plurality of films are used for testing during screen-pasting experiments, measuring errors are increased, and the use requirement is difficult to meet.

SUMMERY OF THE UTILITY MODEL

The utility model provides an optical film laminating angle measurement system for there is the technical problem of precision low, inefficiency in the artifical test of pasting the screen at least to solve, confirm the PET membrane accurately, fast and to the decay condition of optical signal under different screen angles, thereby confirm best screen angle that pastes.

In order to achieve the above object, the utility model provides an optical film laminating angle measurement system for measure the laminating angle of optical film, include:

the stage equipment is provided with a polaroid and used for driving the optical film positioned below the polaroid to horizontally rotate;

the light source module is positioned above the carrier device and used for irradiating light rays onto the polaroid at an inclined angle;

the light intensity detection module is positioned above the stage equipment and is used for receiving the light reflected by the optical film and detecting the intensity of the light;

the micro-control module is electrically connected with the carrier equipment and the light intensity detection module and is used for controlling the carrier equipment to rotate according to the light intensity detected by the light intensity detection module.

The utility model provides an optical film laminating angle measurement system, reproducible optical film is at the working light path under the screen pasting state, and simulation optical film is at the screen pasting state of different angles, light source module provides light to with inclination shines light arrives on the polaroid, light passes through earlier the polaroid of microscope stage equipment, the rethread is located glass board under the polaroid with optical film, last by the light of optical film reflection successively through glass board with the polaroid upwards reflects to light intensity detection module, light intensity detection module detects the warp the light intensity data of optical film reflection can judge the best laminating angle of optical film according to the light intensity data that light intensity detection module detected.

The utility model provides an among the blooming laminating angle measurement system, little the control module basis the light control that light intensity detection module detected the microscope carrier equipment is rotatory, makes the continuous horizontal rotation of blooming carries out angle of adjustment, makes the light intensity detection module detects the blooming reflection light signal under the different rotation angle, thereby is convenient for the light intensity detection module detects the best laminating angle of blooming, for artifical manual continuous transform angle pad pasting dyestripping, has increased substantially measurement of efficiency.

In one possible implementation, the stage apparatus includes:

a support table;

the upper rotary table is horizontally and rotatably arranged on the support table, and the polaroid is arranged on the upper rotary table;

the lower rotary table is positioned at the lower side of the upper rotary table and is used for bearing the optical film;

the rotary driving piece is arranged on the supporting table, the micro control module is electrically connected with the rotary driving piece, and the rotary driving piece drives the lower rotary table and the optical film borne by the lower rotary table to horizontally rotate.

In a possible implementation, the upper turret comprises:

the upper rotating pedestal is arranged on the supporting platform, and a sunken rotating cavity is formed in the upper surface of the upper rotating pedestal;

the upper rotary table is horizontally and rotatably arranged in the rotating cavity, a connecting disc is arranged on the upper rotary table, an upper bearing table board is connected to the connecting disc, a glass plate is arranged on the upper bearing table board, and the polaroid is arranged on the glass plate.

In a possible embodiment, the upper turntable base and the center of the upper turntable have a through hole integrally formed therethrough.

In one possible implementation, the lower turntable comprises a lower turntable and a lower bearing table disposed on the lower turntable, the lower turntable is located in the through hole, and the lower bearing table is used for bearing the optical film.

In a possible implementation mode, an adjusting sleeve is movably arranged on the upper rotating table seat, the adjusting sleeve is detachably arranged on the periphery of the upper rotating table, and an adjusting block is arranged on one side of the adjusting sleeve;

it is provided with the mount pad to go up one side of rotating the pedestal, the mount pad includes the mounting panel and connects a pair of otic placode of mounting panel one side, the regulating block passes the mounting panel extends to between a pair of otic placode.

In a possible implementation manner, the stage device further includes a fine adjustment mechanism, the fine adjustment mechanism includes a first angle adjustment screw and a second angle adjustment screw, the first angle adjustment screw and the second angle adjustment screw are respectively disposed in a pair of ear plates, and the first angle adjustment screw and the second angle adjustment screw respectively abut against two side surfaces of the adjustment block.

In one possible embodiment, the upper and lower carrying mesas have a spacing therebetween.

In a possible implementation manner, the utility model provides an optical film laminating angle measurement system further includes a light shield, and the light shield covers on the stage device.

In a possible implementation manner, the optical film attachment angle measuring system provided by the present invention further includes a converter, wherein the converter is electrically connected to the micro control module and the light intensity detection module;

the light intensity analog signal detected by the light intensity detection module is converted into a digital signal through the converter and transmitted to the micro control module, and the micro control module controls the carrier equipment to rotate.

In a possible implementation manner, an included angle between a direction of light irradiated onto the polarizer by the light source module and a normal direction of the polarizer is 25 ° to 35 °.

In a possible implementation manner, the light intensity detection module has a light receiving surface, and the light receiving surface of the light intensity detection module is obliquely arranged, so that the light reflected by the optical film is perpendicularly incident to the light receiving surface, which is beneficial for the light intensity detection module to receive the light reflected by the optical film to the maximum extent.

The utility model provides an among the blooming laminating angle measurement system, the artifical manual rotation that goes up of revolving stage accessible of microscope carrier equipment, the drive of rotary driving piece the revolving stage and the blooming horizontal rotation that the revolving stage bore down to realize the horizontal angle of nimble adjustment blooming, increased substantially measurement of efficiency.

In addition to the technical problems, technical features constituting technical aspects, and advantageous effects brought by the technical features of the above-described embodiments of the present invention, other technical problems that can be solved by an optical film attachment angle measuring system, other technical features included in the technical aspects, and advantageous effects brought by the technical features of the present invention will be described in further detail in specific embodiments.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are 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 view showing the polarization direction of a PET film;

FIG. 2 is a schematic view of the polarization direction of an OLED screen;

FIG. 3 is a schematic diagram showing the relative positions of the polarization direction of the PET film and the polarization direction of the OLED screen when the PET film is attached to the screen;

FIG. 4 shows the intensity of the screen fingerprint signal without PET film;

FIG. 5 shows the intensity of the fingerprint signal of the OLED screen when the PET film is adhered and the polarization direction of the PET film is consistent with that of the OLED screen;

FIG. 6 shows the intensity of the fingerprint signal of the OLED screen when the polarization direction of the PET film is not the same as that of the OLED screen in the case of sticking the PET film;

FIG. 7 shows an actual light path during the screen fingerprint signal recognition process after a PET film is attached to the OLED screen in the actual use process;

fig. 8 is a light path of the optical film attachment angle measuring system according to the embodiment of the present invention when measuring a PET film;

fig. 9 is a schematic diagram of an optical film attachment angle measuring system according to an embodiment of the present invention;

fig. 10 is a schematic rotation diagram of a micro-control module controlled stage device of an optical film attachment angle measuring system according to an embodiment of the present invention;

fig. 11 is a control schematic diagram of an optical film attachment angle measuring system according to an embodiment of the present invention;

fig. 12 is a three-dimensional structure diagram of an optical film attachment angle measuring system according to an embodiment of the present invention;

fig. 13 is a partial structure view of an optical film bonding angle measuring system according to an embodiment of the present invention;

fig. 14 is a partial structure view of fig. 13 of an optical film bonding angle measuring system according to an embodiment of the present invention;

fig. 15 is a front view of fig. 13 of an optical film attachment angle measurement system according to an embodiment of the present invention;

fig. 16 is a top view of fig. 13 of an optical film attachment angle measurement system in accordance with an embodiment of the present invention;

fig. 17 is a cross-sectional view of fig. 13 of an optical film attachment angle measurement system in accordance with an embodiment of the present invention;

fig. 18 is a perspective view of a lower turntable and a rotary driving member of an optical film bonding angle measuring system according to an embodiment of the present invention;

fig. 19 is a partial perspective view of an optical film attachment angle measuring system according to an embodiment of the present invention;

fig. 20 is a partial three-dimensional structure diagram of an upper turntable and a fine adjustment mechanism of an optical film bonding angle measuring system according to an embodiment of the present invention;

fig. 21 is a perspective view of an upper rotation pedestal of an optical film lamination angle measuring system according to an embodiment of the present invention.

Description of reference numerals:

10-stage equipment;

11-a support table;

111-a support panel;

1111-upright post;

112-a first mounting post;

113-a second mounting post;

114-a first mounting head;

115-a second mounting head;

116-a lower chamber;

117-support floor;

118-a riser;

119-a handle;

12-an upper turntable;

121-an upper rotation pedestal;

1211-a rotation chamber;

1212-a via hole;

1213-adjusting sleeve;

1214-an adjusting block;

1215-tightening the set screw;

122-upper turntable;

1221-a drive shank;

123-connecting disc;

124-upper bearing table;

125-a polarizer;

126-a pin shaft;

127-a mounting seat;

1271-mounting plate;

1272-ear plate;

13-lower turntable;

131-a lower turntable;

132-a lower load table;

14-a rotary drive;

20-a light source module;

30-a light intensity detection module;

31-light intensity detection plate;

a 32-converter;

40-a photomask;

41-door leaf;

50-a micro-control module;

60-fine adjustment mechanism;

61-a first angle adjusting screw;

62-a second angle adjusting screw rod;

70-the polarization direction of the PET film;

80-polarization direction of the OLED screen;

91-an OLED light emitting layer;

92-1/4 wave plates;

93-a glass plate;

94-PET film.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The light emitted by the mobile phone is polarized light, and the mobile phone screen stuck with a common optical film can cause strong attenuation to the polarized light, so that the use of optical fingerprints under the screen can be influenced. Screens that use optical fingerprints will generally be recommended to protect the screen using PET film 94. Wherein, polyester resin (PET) is a material for manufacturing the mobile phone film.

Fig. 1 is a schematic view showing polarization directions of a PET film, and referring to fig. 1, the polarization directions 70 of the PET film are two polarization directions perpendicular to each other, an included angle Φ between the two polarization directions is 90 °, and the two polarization directions 70 of the PET film may present different angles according to different cutting directions of a PET film material during processing, but still remain perpendicular;

fig. 2 is a schematic view showing the polarization direction of an Organic Light-Emitting Diode (OLED) screen, and it can be easily understood that the angle θ of the polarization direction of the OLED screens manufactured by different manufacturers is 45 ° clockwise or 45 ° counterclockwise;

FIG. 3 is a schematic diagram showing the relative positions of the polarization direction 70 of the PET film and the polarization direction 80 of the OLED screen when the PET film 94 is attached to the screen, wherein the polarization direction 80 of the OLED screen and the polarization direction 70 of the PET film are overlapped;

FIG. 4 shows the intensity of the fingerprint signal of the OLED screen without the PET film 94;

FIG. 5 shows the intensity of the fingerprint signal of the OLED screen when the PET film 94 is applied and the polarization direction 70 of the PET film is aligned with the polarization direction 80 of the OLED screen;

FIG. 6 shows the intensity of the fingerprint signal of the OLED screen when the PET film 94 is applied and the polarization direction 70 of the PET film is not the same as the polarization direction 80 of the OLED screen;

comparing fig. 4 and 5, it can be seen that the PET film 94 has a small effect on the intensity of the fingerprint signal of the OLED screen. As can be seen from a comparison between fig. 5 and 6, in the case of the PET film 94, when the polarization direction 70 of the PET film is identical to the polarization direction 80 of the OLED screen, the signal attenuation is small and the signal amount of the fingerprint is slightly affected, but when the polarization direction 70 of the PET film is not identical to the polarization direction 80 of the screen, the signal amount of the fingerprint is greatly attenuated.

Fig. 7 shows an actual light path during the screen fingerprint signal recognition process after the OLED screen is pasted with the PET film 94 in the actual use process, and light rays sequentially pass through the OLED light-emitting layer 91, 1/4 wave plate 92, Polarizer (POL) 125, glass plate (cover lens)93, and PET film 94, and then pass through the PET film 94, cover93, Polarizer 125, 1/4 wave plate 92, and OLED light-emitting layer 91 after being reflected.

In view of the above-mentioned condition, in order to reappear the light path of PET membrane 94 under the condition of the screen pasting, the utility model provides a pair of optical film laminating angle measurement system, refer to the light path when FIG. 8 shows for measuring PET membrane 94, light loops through behind polaroid 125, glass board 93, PET membrane 94 successively, loops through PET membrane 94, glass board 93, polaroid 125 after the reflection again to simulation PET membrane 94 pastes the light path in the cell-phone screen.

Fig. 9 is shown as the utility model provides a pair of blooming laminating angle measurement system's schematic diagram, because when the best screen angle of test PET film 94, need measure a plurality of screen angles, test PET film 94 is at the optical characteristic of different screen angles, refer to fig. 9, light slope that light source module 20 sent shines, light loops through polaroid 125, glass plate 93, after PET film 94, loop through PET film 94 again after the reflection, glass plate 93 and polaroid 125, light intensity detection module 30 receives the light intensity of reflection back, and with signal transmission for micro control module 50, micro control module 50 is used for rotatory according to light control microscope carrier equipment 10 that light intensity detection module 30 detected, simulate the optical characteristic of test PET film 94 at different screen angles.

Fig. 10 is a schematic diagram illustrating that the micro control module 50 of the optical film attachment angle measuring system according to the present invention controls the rotation of the stage device 10, and the direction indicated by the dotted line in fig. 10 represents the rotation direction of the PET film 94.

The utility model provides a pair of blooming laminating angle measurement system is applicable to the measurement of PET membrane 94, can be fast, accurately rotate PET membrane 94, can record PET membrane 94 under the rotation angle condition of difference, to the decrement of light signal, has promoted efficiency and the precision of the best screen angle of pasting of test PET membrane 94 to satisfy the test requirement.

Fig. 11 shows that the utility model provides a pair of blooming laminating angle measurement system's control schematic diagram, light intensity detection module 30 transmits the light signal that detects for light intensity detection board 31, light intensity detection board 31 is used for converting the light intensity signal into analog signal, light intensity detection board 31 transmits analog signal for converter 32 again, converter 32 is used for converting analog signal into digital signal and transmits for little control module 50, little control module 50 rotates according to received signal control microscope carrier equipment 10.

Fig. 12 shows is the utility model provides a pair of blooming laminating angle measurement system's structure chart, the utility model provides a pair of blooming laminating angle measurement system for measure the laminating angle of blooming, especially the measurement of PET film 94 laminating angle, it is shown with reference to fig. 13, include: the stage device 10, the light source module 20, the light intensity detection module 30 and the micro control module 50.

Referring to fig. 16 and 17, a polarizer 125 is provided on stage apparatus 10, and stage apparatus 10 is configured to drive an optical film located right below polarizer 125 to rotate horizontally, so that the horizontal angle of the optical film can be flexibly changed by the horizontal rotation of the optical film.

Referring to fig. 14, the light source module 20 is located above the stage device 10, and the light source module 20 is used for irradiating light onto the polarizer 125 at an oblique angle.

The light intensity detecting module 30 is located above the stage device 10, and the light intensity detecting module 30 is configured to receive the light reflected by the optical film and detect the light intensity of the light emitted by the light source module 20 after being reflected by the optical film.

The micro control module 50 is electrically connected to the stage device 10 and the light intensity detection module 30, and the micro control module 50 is configured to control the stage device 10 to rotate according to the light detected by the light intensity detection module 30.

The utility model provides an optical film laminating angle measurement system, microscope carrier equipment 10 drive are located the optical film level rotation under polaroid 125 to transform the horizontal angle of optical film, light intensity detection module 30 gathers the light intensity variation condition of PET membrane 94 in rotatory in-process in real time, and the user can assess the working property of cell-phone membrane at different laminating angles according to final light intensity data, selects the best screen pasting angle of taking out PET membrane 94.

The utility model provides an optical film laminating angle measurement system need not trade the membrane test in the testing process, also need not artifical transform angle screen pasting many times, improves measuring precision and measurement of efficiency, and its measurement accuracy is far above the precision of manual measurement. The automation of measuring the laminating angle of the optical film is realized, time and labor are saved, and the error caused by inaccurate manual adjustment of the laminating angle is greatly reduced.

The useful signal passing through the PET film 94 is substantially collimated light, so the light source module 20 uses a collimated light source, and the light source module 20 can be connected to an external power source through a power line.

The micro control module 50 may be a single chip microcomputer.

Referring to fig. 13, the stage device 10 includes: the device comprises a support table 11, an upper rotary table 12, a lower rotary table 13 and a rotary driving piece 14, wherein the upper rotary table 12 is horizontally and rotatably arranged on the support table 11, and a polarizer 125 is arranged on the upper rotary table 12; the lower rotary table 13 is positioned at the lower side of the upper rotary table 12, and the lower rotary table 13 is used for bearing an optical film;

the rotary driving part 14 is arranged on the supporting platform 11, the micro control module 50 is electrically connected with the rotary driving part 14, the rotary driving part 14 drives the lower rotary table 13 and the optical film borne by the lower rotary table 13 to rotate horizontally, and the PET film 94 can be rotated quickly and accurately to simulate various angles of the PET attached to the mobile phone screen.

In one possible embodiment, the rotary drive 14 may be an electric motor.

Referring to fig. 17, the upper rotary table 12 includes: an upper turntable base 121 and an upper turntable 122, the upper turntable base 121 being disposed on the support base 11, and as shown in fig. 20 and 21, an upper surface of the upper turntable base 121 having a recessed rotation chamber 1211; the bottom of the upper turntable 122 is adapted to the rotating cavity 1211, the upper turntable 122 is horizontally and rotatably disposed in the rotating cavity 1211, as shown in fig. 16 and 17, a connecting disc 123 is disposed on the upper turntable 122, an upper bearing table 124 is connected to the connecting disc 123, a glass plate 93 is disposed on the upper bearing table 124, and a polarizer 125 is disposed on the glass plate 93.

The utility model provides an among the optical film laminating angle measurement system, the light that light source module 20 provided shines polaroid 125 earlier on, sees through polaroid 125 again and shines in proper order on glass board 93 and the optical film under polaroid 125, and the light after the reflection via optical film is earlier through glass board 93, and rethread polaroid 125 upwards reflects, and the working light path of simulation optical film under the screen state.

In one possible embodiment, a glass plate 93 is embedded in the center of the upper stage 124, and the polarizer 125 is attached to the glass plate 93.

Referring to fig. 20, a driving handle 1221 is disposed on a side surface of the upper rotating disc 122, the driving handle 1221 is manually pushed to drive the upper rotating disc 122 to horizontally rotate in the rotating cavity 1211, and the upper rotating disc 122 drives the polarizer 125 to rotate to adjust the horizontal angle of the polarizer 125.

In a possible implementation manner, referring to fig. 20, the upper turntable 122 has a plurality of pins 126, the pins 126 are provided, the connecting disc 123 has pin holes adapted to the pins 126, and the connecting disc 123 is provided on the upper turntable 122 by the cooperation of the pins 126 and the pin holes.

The upper bearing table top 124 is provided with a blind hole matched with the pin shaft 126, and the upper end of the pin shaft 126 is inserted into the blind hole, so that the upper bearing table top 124 is connected to the connecting disc 123.

Referring to fig. 20, the upper turntable base 121 and the upper turntable 122 have a through hole 1212 integrally formed at the center thereof, and it is easily understood that the through hole 1212 is a circular hole.

Referring to fig. 18, the lower turntable 13 includes a lower turntable 131 and a lower bearing table 132 disposed on the lower turntable 131, the lower turntable 131 is located in the through hole 1212, the lower bearing table 132 is used for bearing the optical film, and the glass plate 93 embedded in the center of the upper bearing table 124 is located right above the through hole 1212.

Referring to fig. 18 and 19, in order to stably place the optical film on the lower carrying table 132, a positioning cavity recessed downward is provided on the lower carrying table 132, so as to prevent the optical film from wobbling and shifting on the lower carrying table 132 during the rotation of the lower rotary table 13.

Referring to fig. 20 and 21, an adjusting sleeve 1213 is movably disposed on the upper rotating table 121, the adjusting sleeve 1213 is detachably disposed on the outer circumference of the upper rotating table 122, and an adjusting block 1214 is disposed on one side of the adjusting sleeve 1213.

In a possible embodiment, referring to fig. 20 and 21, a set screw 1215 is provided on the other side of the adjusting sleeve 1213, one end of the set screw 1215 abuts on the outer circumference of the upper dial 122, the set screw 1215 is tightened, the adjusting sleeve 1213 is connected to the upper dial 122, and the adjusting sleeve 1213 and the upper dial 122 are rotatable in synchronization; on the contrary, the set screw 1215 is loosened, the adjusting sleeve 1213 is separated from the upper rotary plate 122, the adjusting sleeve 1213 does not rotate when the upper rotary plate 122 rotates, and the connection and separation of the adjusting sleeve 1213 and the upper rotary plate 122 can be easily controlled by adjusting the set screw 1215.

Referring to fig. 20 and 21, the upper rotation base 121 is provided at one side thereof with a mounting base 127, the mounting base 127 includes a mounting plate 1271 and a pair of ear plates 1272 connected to one side of the mounting plate 1271, the pair of ear plates 1272 are respectively located at both end positions of one side of the mounting plate 1271, and the adjustment block 1214 extends through the mounting plate 1271 to between the pair of ear plates 1272.

It will be readily appreciated that the mounting plate 1271 has adjustment holes therein through which the adjustment blocks 1214 pass.

In order to facilitate fine adjustment of the angle of the polarizer 125, the optical film attachment angle measurement system further includes a fine adjustment mechanism 60, the fine adjustment mechanism 60 includes a first angle adjustment screw 61 and a second angle adjustment screw 62, the first angle adjustment screw 61 and the second angle adjustment screw 62 are respectively disposed in the pair of ear plates 1272, and the first angle adjustment screw 61 and the second angle adjustment screw 62 respectively abut against two side surfaces of the adjusting block 1214.

It is easy to understand that, threaded holes are opened on the pair of ear plates 1272, the first angle adjusting screw 61 and the second angle adjusting screw 62 are respectively in threaded connection with the threaded holes of the pair of ear plates 1272, the adjusting block 1214 can be pushed by rotating the first angle adjusting screw 61 to drive the adjusting sleeve 1213 to rotate clockwise or counterclockwise in the horizontal direction, and the adjusting block 1214 can be pushed by rotating the second angle adjusting screw 62 to drive the adjusting sleeve 1213 to rotate in the opposite direction.

The adjusting block 1214 may have a rectangular structure, so that the first angle adjusting screw 61 and the second angle adjusting screw 62 push the adjusting block 1214.

The upper and lower carrying mesas 124 and 132 have a spacing therebetween, for example, the distance between the upper and lower carrying mesas 124 and 132 is greater than 0.

In one possible implementation, the upper load table 124 is spaced 1.5cm from the lower load table 132.

In one possible embodiment, the upper and lower supporting mesas 124, 132 are made of black opaque material.

In one possible embodiment, referring to fig. 13, the support 11 is in the shape of a cube, the support 11 includes a support panel 111, a support bottom plate 117 parallel to the support panel 111, and a plurality of vertical plates 118 connected to the edges of the support panel 111 and the support bottom plate 117, and a lower cavity 116 is formed in the support 11. A plurality of support legs are arranged at the lower end of the supporting base plate 117, the number of the support legs can be 4, and the support legs are respectively located at four corner positions of the supporting base plate 117, so that the placing stability of the stage device 10 is improved. Handles 119 are arranged on the vertical plates 118 on the two sides, so that the stage device 10 can be lifted conveniently.

The rotary driving member 14 is located in the lower cavity 116, and the rotary driving member 14 is fixed on the lower surface of the supporting panel 111. There are 4 uprights 1111 disposed on the upper surface of the support panel 111, and the upper rotating base 121 is horizontally disposed on the support panel 111 through the uprights 1111, which is beneficial to ensure that the upper rotating base 121 is in a horizontal state.

Of course, the upper rotating base 121 may be directly mounted on the upper surface of the support panel 111 by means of screw connection.

Referring to fig. 14 and 15, a first mounting post 112 and a second mounting post 113 are provided on the support panel 111, the first mounting post 112 has a first mounting head 114 at an upper end thereof, the light source module 20 is provided on the first mounting head 114, the second mounting post 113 has a second mounting head 115 at an upper end thereof, and the light intensity detecting module 30 is provided on the second mounting head 115.

Referring to fig. 15, an included angle between the direction of the light emitted by the light source module 20 and the normal of the polarizer 125 is 25 ° to 35 °, that is, the incident angle α of the light from the light source module 20 and the polarizer 125 is 25 ° to 35 °.

In one possible implementation, it is preferable that the incident angle α of the light irradiated by the light source module 20 onto the polarizer 125 is 30 °, and it is easily understood that, after the light irradiated by the light source module 20 onto the polarizer 125 is reflected by the polarizer 125, the included angle β between the direction of the reflected light and the normal of the polarizer 125 is 30 °.

In one possible embodiment, the light intensity detecting module 30 has a light receiving surface, and the light receiving surface of the light intensity detecting module 30 is disposed obliquely so that the light reflected by the optical film is incident perpendicularly to the light receiving surface.

It is easy to understand that the plane where the light receiving surface of the light intensity detecting module 30 is located is perpendicular to the direction of the light reflected by the optical film, and the light receiving surface of the light intensity detecting module 30 can receive the light reflected by the optical film to the maximum extent, so as to ensure the detection result of the light intensity detecting module 30.

The utility model provides an optical film laminating angle measurement system can place and use in the environment of dark.

In a possible implementation manner, referring to fig. 12, the optical film attachment angle measuring system provided by the present invention further includes a light shield 40, wherein the light shield 40 covers the stage device 10, and the light shield 40 is made of opaque material, so as to effectively isolate the external light and avoid the external light from interfering with the measurement effect.

The front side of the light shield 40 is provided with a door leaf 41, and the door leaf 41 can be hinged on the side plate of the light shield 40 through a hinge.

In a possible embodiment, the micro-control module 50 may be arranged on the support 11, and a power line is arranged on one side of the support 11 for external power supply, and the power line is connected to the micro-control module 50 and to the rotary drive 14.

Referring to fig. 11, the optical film bonding angle measuring system provided by the present invention further includes a converter 32, wherein the converter 32 is electrically connected to the micro control module 50 and the light intensity detecting module 30; the light intensity analog signal detected by the light intensity detection module 30 is converted into a digital signal by the converter 32 and transmitted to the micro control module 50, and the micro control module 50 controls the carrier apparatus 10 to rotate.

The light intensity detection module 30 comprises a light intensity detection plate 31, adopts a digital light module, realizes a light intensity detection function by detecting illumination intensity, can directly convert light intensity information into a digital signal through a converter 32, and outputs the digital signal, so that subsequent complex calculation is omitted, and subsequent signal processing is facilitated.

The micro control module 50 can record the attenuation of the PET film 94 to the optical signal under different conditions, so that the user can evaluate the working performance of the mobile phone film at different attachment angles according to the finally recorded light intensity data, and select the best attachment angle of the PET film 94.

The rotation of motor can be controlled through the micro control module 50, the horizontal rotation of the optical film borne by the lower turntable 13 is realized, the PET film 94 is rotated rapidly and accurately, and the optical characteristics of the PET film 94 at different screen pasting angles can be conveniently measured, so that the test requirements are met.

It should be noted that the numerical values and numerical ranges referred to in this application are approximate values, and there may be some error due to the manufacturing process, and the error may be considered to be negligible by those skilled in the art.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "top", "bottom", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", "axial", "circumferential", and the like, which are used to indicate the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, and do not indicate or imply that the position or element referred to must have a particular orientation, be of particular construction and operation, and therefore should not be construed as limiting 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 at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; either directly or indirectly through intervening media, such as through internal communication or through an interaction between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (12)

1. An optical film attachment angle measurement system for measuring an attachment angle of an optical film, comprising:

the stage device (10) is provided with a polarizer (125), and the stage device (10) is used for driving the optical film positioned right below the polarizer (125) to rotate horizontally;

a light source module (20), wherein the light source module (20) is located above the stage device (10), and the light source module (20) is used for irradiating light onto the polarizer (125) at an inclined angle;

the light intensity detection module (30), the light intensity detection module (30) is located above the stage device (10), and the light intensity detection module (30) is used for receiving the light reflected by the optical film and detecting the intensity of the light;

the micro-control module (50) is electrically connected with the carrier device (10) and the light intensity detection module (30), and the micro-control module (50) is used for controlling the carrier device (10) to rotate according to the light intensity detected by the light intensity detection module (30).

2. The optical film attachment angle measurement system according to claim 1, wherein the stage device (10) includes:

a support table (11);

the upper rotary table (12), the upper rotary table (12) is horizontally and rotatably arranged on the support table (11), and the polaroid (125) is arranged on the upper rotary table (12);

a lower turntable (13), the lower turntable (13) being located at a lower side of the upper turntable (12), the lower turntable (13) being for carrying the optical film;

the rotary driving piece (14), the rotary driving piece (14) is arranged on the supporting table (11), the micro-control module (50) is electrically connected with the rotary driving piece (14), and the rotary driving piece (14) drives the lower rotary table (13) and the optical film borne by the lower rotary table (13) to horizontally rotate.

3. The optical film attachment angle measuring system according to claim 2, wherein the upper turn table (12) includes:

an upper rotating pedestal (121), wherein the upper rotating pedestal (121) is arranged on the support platform (11), and the upper surface of the upper rotating pedestal (121) is provided with a concave rotating cavity (1211);

the upper rotating disc (122) is horizontally and rotatably arranged in the rotating cavity (1211), a connecting disc (123) is arranged on the upper rotating disc (122), an upper bearing table board (124) is connected to the connecting disc (123), a glass plate (93) is arranged on the upper bearing table board (124), and the polaroid (125) is arranged on the glass plate (93).

4. The system for measuring the attaching angle of an optical film according to claim 3, wherein the upper turntable base (121) and the upper turntable (122) have a through hole (1212) formed therethrough at the center thereof.

5. The optical film attachment angle measuring system according to claim 4, wherein the lower turntable (13) comprises a lower turntable (131) and a lower bearing table (132) disposed on the lower turntable (131), the lower turntable (131) is located in the through hole (1212), and the lower bearing table (132) is used for bearing the optical film.

6. The system for measuring the attaching angle of the optical film according to any one of claims 3 to 5, wherein the upper rotating table (121) is movably provided with an adjusting sleeve (1213), the adjusting sleeve (1213) is detachably disposed on the outer circumference of the upper rotating table (122), and one side of the adjusting sleeve (1213) is provided with an adjusting block (1214);

go up one side of rotary table seat (121) and be provided with mount pad (127), mount pad (127) include mounting plate (1271) and connect in mounting plate (1271) one side a pair of otic placode (1272), regulating block (1214) pass mounting plate (1271) extend to between a pair of otic placode (1272).

7. The system for measuring the bonding angle of an optical film according to claim 6, wherein the stage device (10) further comprises a fine adjustment mechanism (60), the fine adjustment mechanism (60) comprises a first angle adjustment screw (61) and a second angle adjustment screw (62), the first angle adjustment screw (61) and the second angle adjustment screw (62) are respectively disposed in a pair of ear plates (1272), and the first angle adjustment screw (61) and the second angle adjustment screw (62) respectively abut against two side surfaces of the adjustment block (1214).

8. The optical film application angle measurement system of claim 5, wherein the upper carrier mesa (124) and the lower carrier mesa (132) have a spacing therebetween.

9. The system for measuring the angle of attachment of an optical film according to any one of claims 1 to 5, further comprising a light shield (40), wherein the light shield (40) covers the stage device (10).

10. The optical film attachment angle measuring system of claim 9, further comprising a converter (32), wherein the converter (32) is electrically connected to the micro control module (50) and the light intensity detection module (30);

the light intensity analog signal detected by the light intensity detection module (30) is converted into a digital signal through the converter (32) and transmitted to the micro control module (50), and the micro control module (50) controls the carrier device (10) to rotate.

11. The system for measuring the attachment angle of an optical film according to claim 10, wherein an included angle between the direction of the light irradiated from the light source module (20) to the polarizer (125) and the normal direction of the polarizer (125) is 25 ° to 35 °.

12. The system for measuring the sticking angle of an optical film according to claim 1, wherein the light intensity detecting module (30) has a light receiving surface, and the light receiving surface of the light intensity detecting module (30) is disposed obliquely so that the light reflected by the optical film is perpendicularly incident to the light receiving surface.

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