A detection device for improving utilization of an OLED polarizing screen

By designing a testing device to improve the utilization rate of OLED polarized screens, and employing multi-point support and limiting clamping technology, the problem of easy damage to curved screens during testing was solved, achieving stable support and accurate testing.

CN116773143BActive Publication Date: 2026-04-10JIANGXI WIN POLARIZER OPTOELECTRONICS TECH CO LTD
View PDF 3 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-05-12
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing OLED screen utilization testing equipment is not very effective at protecting curved screens and is prone to causing screen damage during the testing process.

Method used

A testing device for improving the utilization rate of OLED polarized screens was designed, including a stabilizer, a tooling frame assembly, a photosensitive detection frame assembly, a heat dissipation drive device, an edge limiting assembly, and a linkage adjustment device. Through multi-point support and limiting clamping of the support components, the stability and protection of the curved screen are ensured.

Benefits of technology

It provides stable support and protection for curved screens, improving the accuracy of testing and extending the lifespan of the screen.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN116773143B_ABST
    Figure CN116773143B_ABST
Patent Text Reader

Abstract

The application relates to the field of OLED screens, and particularly discloses a detection equipment for improving utilization of an OLED polarizing screen, which comprises a stabilizing seat, a tool rack assembly connected with the stabilizing seat, a photosensitive detection rack assembly connected with the tool rack assembly, a heat dissipation driving device connected with the stabilizing seat, an edge limiting assembly connected with the stabilizing seat, a linkage adjusting device connected with the heat dissipation driving device, a supporting assembly connected with the heat dissipation driving device, wherein the supporting assembly comprises a first limiting assembly connected with the heat dissipation driving device and a second limiting assembly connected with the heat dissipation driving device. The supporting assembly can stably support the bottom of a curved screen, can be adaptively adjusted according to the screen specifications, can simultaneously perform heat dissipation on the screen, can also realize multi-point clamping of the periphery of the curved screen, and further improves the stability during the checking of the curved screen.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The present application relates to the OLED screen industry, and in particular to a detection equipment for improving the utilization rate of an OLED polarizing screen. BACKGROUND

[0002] OLED is also known as the third generation display technology, and has the advantages of lightness, low energy consumption, high brightness, good luminous efficiency, and the ability to display pure black. A circular polarizing sheet is used in an OLED screen, which can correct light. When the light is too dark or too bright, the polarizing sheet can adjust the light to a degree suitable for the user's eyes.

[0003] To improve the backlight utilization rate of the OLED screen, various films such as prism film, TAC film, PVA film, and release film can be added to the OLED polarizing screen. The finished OLED screen needs to be detected for utilization rate, but the existing OLED screen utilization rate detection equipment has poor protection effect on curved screens, and the screens are easily damaged during detection. Therefore, we propose a detection equipment for improving the utilization rate of an OLED polarizing screen. SUMMARY

[0004] The present application aims to provide a detection equipment for improving the utilization rate of an OLED polarizing screen to solve the problems raised in the background art.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions:

[0006] A detection equipment for improving the utilization rate of an OLED polarizing screen, comprising:

[0007] a stabilizing seat;

[0008] a tool holder assembly connected to the stabilizing seat;

[0009] a photosensitive detection frame assembly connected to the tool holder assembly for screen backlight detection;

[0010] a heat dissipation driving device connected to the stabilizing seat for detecting the heat dissipation of the screen;

[0011] an edge limiting assembly connected to the stabilizing seat for limiting the outer side of the screen;

[0012] a linkage adjustment device connected to the heat dissipation driving device for moving and driving the edge limiting assembly;

[0013] a support assembly connected to the heat dissipation driving device;

[0014] The support assembly comprises:

[0015] The first limiting assembly is connected with the heat dissipation driving device.

[0016] The second limiting assembly is connected with the heat dissipation driving device, and is used for cooperating with the first limiting assembly to complete the bottom support of the screen.

[0017] Compared with the prior art, the device has the advantages that: the device is rationally designed, the first limiting assembly cooperates with the second limiting assembly, the bottom of the curved screen can be stably supported, and adaptive adjustment can be performed according to the screen specifications, while the screen is cooled, the linkage adjusting device cooperates with the edge limiting assembly to realize multi-point clamping of the periphery of the curved screen, the stability of the curved screen during inspection is further improved, the protection of the curved screen is effectively realized, and the device has high practicability and market prospect. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is an internal structure schematic diagram of a detection equipment for improving utilization rate of an OLED polarizing screen in an embodiment of the present application.

[0019] Figure 2 It is an external structure schematic diagram of a detection equipment for improving utilization rate of an OLED polarizing screen in an embodiment of the present application.

[0020] Figure 3 It is a top view of a tooling table in a detection equipment for improving utilization rate of an OLED polarizing screen in an embodiment of the present application.

[0021] Figure 4 It is an internal structure schematic diagram of an arc-shaped light collecting frame in a detection equipment for improving utilization rate of an OLED polarizing screen in an embodiment of the present application.

[0022] Figure 5 It is a structure schematic diagram of an exhaust frame bin in a detection equipment for improving utilization rate of an OLED polarizing screen in an embodiment of the present application.

[0023] Figure 6 It is a structure schematic diagram of a limiting groove frame in a detection equipment for improving utilization rate of an OLED polarizing screen in an embodiment of the present application.

[0024] Figure 7 It is a structure schematic diagram of a positioning frame in a detection equipment for improving utilization rate of an OLED polarizing screen in an embodiment of the present application.

[0025] In the figure: 1-stable seat, 2-frock frame assembly, 3-photographic detection frame assembly, 4-heat dissipation driving device, 5-linkage adjusting device, 6-edge limiting assembly, 7-supporting assembly, 8-first limiting assembly, 9-second limiting assembly, 201-support, 202-frock table, 203-first through slot, 204-second through slot, 205-first elastic piece, 301-first driving piece, 302-connection frame, 303-arc-shaped light collecting frame, 304-photosensitive piece, 401-wind warehouse, 402-blowing piece, 403-communication pipe, 404-first control piece, 405-exhaust frame warehouse, 501-pressurized groove warehouse, 502-second control piece, 503-second elastic piece, 504-piston frame, 505-connection plate frame, 506-limiting groove frame, 507-inclined surface frame, 601-positioning frame, 602-first positioning groove, 603-sleeve frame, 604-threaded knob, 605-anti-slip clamping plate, 606-positioning rod, 607-transmission frame, 801-fixed rod frame, 802-movable sleeve frame, 803-second driving piece, 804-linkage frame, 805-first supporting frame, 806-first connection roller, 901-third elastic piece, 902-second supporting frame, 903-second connection roller, 904-second positioning groove. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0027] A kind of OLED polarizing screen utilization rate improves detection equipment, in an embodiment of the present application, as shown in Figure 1 And Figure 2 Shown, including: stable seat 1;Frock frame assembly 2, the frock frame assembly 2 is connected with stable seat 1;Photographic detection frame assembly 3, the photographic detection assembly 3 is connected with frock frame assembly 2, for screen backlight detection;Heat dissipation driving device 4, the heat dissipation driving device 4 is connected with stable seat 1, for detecting the heat dissipation of screen;Edge limiting assembly 6, the edge limiting assembly 6 is connected with stable seat 1, for the lateral limiting of screen;Linkage adjusting device 5, the linkage adjusting device 5 is connected with heat dissipation driving device 4, for the movement driving of edge limiting assembly 6;Supporting assembly 7, the supporting assembly 7 is connected with heat dissipation driving device 4;Wherein, the supporting assembly 7 includes: first limiting assembly 8, the first limiting assembly 8 is connected with heat dissipation driving device 4;Second limiting assembly 9, the second limiting assembly 9 is connected with heat dissipation driving device 4, for cooperating first limiting assembly 8, complete the bottom support of screen.

[0028] In one embodiment of the present invention:

[0029] like Figures 1 to 3 As shown, the tooling frame assembly 2 includes: at least two supports 201 connected to the stabilizer 1; a tooling table 202 connected to the end of the supports 201 away from the stabilizer 1; at least two first through slots 203 disposed inside the top side of the tooling table 202; at least two sets of second through slots 204 disposed inside the top side of the tooling table 202; and a first elastic member 205 connected inside the second through slots 204; the first elastic member 205 is selected as an elastic telescopic rod.

[0030] A housing is installed on the outside of the stabilizing base 1. The curved screen to be tested is placed on top of the support component 7 with the curved screen facing upwards. The support component 7 provides bottom support for the curved screen. The heat dissipation drive device 4 operates to blow air to the bottom of the curved screen, accelerating the heat dissipation speed. At the same time, the linkage adjustment device 5 and the edge limiting component 6 work together to achieve limiting clamping of the curved screen, further improving the stability of the curved screen. Then, the photosensitive detection frame component 3 is rotated to the top side of the curved screen for backlight detection.

[0031] In one embodiment of the present invention:

[0032] like Figure 1 and Figure 4 As shown, the photosensitive detection frame assembly 3 includes: at least two first driving members 301, which are connected to the tooling table 202; the first driving members 301 are selected as electric rollers; a connecting frame 302, which is connected to the first driving members 301; an arc-shaped light-collecting frame 303, which is connected to the end of the connecting frame 302 away from the first driving members 301; and a plurality of photosensitive elements 304, which are connected to the arc-shaped light-collecting frame 303; the photosensitive elements 304 are selected as photosensitive sensors.

[0033] In its initial state, the arc-shaped light-collecting frame 303 is positioned on the back side of the tooling table 202, facilitating the placement of the curved screen. Once the curved screen is placed and fixed, under the drive of the first driving component 301, the arc-shaped light-collecting frame 303 can be rotated and adjusted to the top side of the curved screen in conjunction with the connecting frame 302. Then, the curved screen is powered on, and the curved screen illuminates the arc-shaped light-collecting frame 303 with backlight. Multi-point backlight detection is performed through several photosensitive elements 304. The several photosensitive elements 304 are electrically connected to the detection host (not shown in the figure), and the backlight utilization rate analysis of the OLED polarized screen can be completed through the detection host.

[0034] In the application, the first driving member 301 is not limited to an electric roller shaft device, but can also be a linear motor, an electric cylinder or a pneumatic cylinder driving device, etc., as long as it can cooperate with the connecting frame 302 to complete the rotation adjustment of the arc-shaped light collecting frame 303.

[0035] In one embodiment of the application:

[0036] As shown in Figure 1 and Figure 2 , the heat dissipation driving device 4 comprises: a wind bin 401 connected with the stabilizing seat 1; a blowing member 402 connected with the wind bin 401; the blowing member 402 is selected from a blower; at least two communication pipes 403 connected with the wind bin 401; a first control member 404 arranged inside the communication pipe 403, used for the communication control of the communication pipe 403 and the wind bin 401; the first control member 404 is selected from an electromagnetic valve; an exhaust frame bin 405 connected with one end of the communication pipe 403 away from the wind bin 401;

[0037] When the blowing member 402 is opened and the two side first control members 404 are closed, the pressure inside the linkage adjustment device 5 is increased, which can drive the two side edge limiting assemblies 6 to move oppositely, complete the clamping and limiting of the curved screen, and after the screen limiting and fixing are completed, the first control member 404 is opened, the blowing gas enters the inside of the two side communication pipes 403, and then is discharged through the middle web frame position of the exhaust frame bin 405, which can improve the heat dissipation effect of the screen and further ensure the detection accuracy of the screen.

[0038] In one embodiment of the application:

[0039] As shown in Figure 1 and Figure 6 , the linkage adjustment device 5 comprises: a pressurizing groove bin 501 connected with the wind bin 401; a second control member 502 connected with the pressurizing groove bin 501; the second control member 502 is selected from an electromagnetic valve; a second elastic member 503 connected with the pressurizing groove bin 501; the second elastic member 503 is selected from a spring; a piston frame 504 connected with one end of the second elastic member 503 and the other end of the pressurizing groove bin 501; a connecting plate frame 505 connected with one end of the piston frame 504 away from the second elastic member 503; at least two limiting groove frames 506 connected with the connecting plate frame 505; and a bevel frame 507 connected with the inside of the limiting groove frame 506.

[0040] When the moving drive of the edge limiting assembly 6 is carried out, the two-side first control members 404 are closed, the second control members 502 are opened in time, the gas generated by the air blowing members 402 is introduced into the pressurizing groove 501 in a fixed amount, the piston frame 504 drives the connecting plate frame 505 and the limiting groove frame 506 to move to the side close to the tool table 202, in cooperation with the inclined surface frame 507, the two-side edge limiting assemblies 6 can be driven to move oppositely, and the clamping of the outer side of the screen is completed.

[0041] In an embodiment of the present application:

[0042] As shown in Figure 1 and Figure 7 , the edge limiting assembly 6 comprises: a positioning frame 601 connected with the first elastic member 205 through the second through groove 204; a plurality of first positioning grooves 602 arranged inside the positioning frame 601; a sleeve frame 603 movably connected with the positioning frame 601; a threaded knob 604 connected with the sleeve frame 603; an anti-skid clamping plate 605 connected with the side of the sleeve frame 603 away from the threaded knob 604; a positioning rod 606 connected with the positioning frame 601; and a transmission frame 607 connected with the positioning frame 601 and abutting against the inclined surface frame 507.

[0043] According to the specifications of the curved screen and the height position of the curved screen, the longitudinal height of the sleeve frame 603 and the anti-skid clamping plate 605 is adjusted, then the threaded knob 604 is rotated, and the locking and fixing of the sleeve frame 603 and the anti-skid clamping plate 605 are completed in cooperation with the first positioning grooves 602; when the limiting groove frame 506 moves upward, the inclined surface frame 507 drives the two-side positioning frames 601 to move oppositely in cooperation with the transmission frame 607 abutting against it, and the clamping of the outer side of the curved screen is completed through the two-side anti-skid clamping plates 605.

[0044] In an embodiment of the present application:

[0045] As shown in Figure 1 and Figure 2As shown, the first limiting component 8 includes: a fixed rod frame 801 connected to the exhaust frame compartment 405; a movable sleeve frame 802 movably connected to the fixed rod frame 801; a second driving member 803, one end of which is connected to the exhaust frame compartment 405 and the other end of which is connected to the movable sleeve frame 802; the second driving member 803 is an electric telescopic rod; at least two sets of linkage frames 804 movably connected to the movable sleeve frame 802; a first support frame 805 movably connected to the exhaust frame compartment 405 and movably connected to the end of the linkage frame 804 away from the movable sleeve frame 802; and a first connecting roller 806 connected to the end of the first support frame 805 away from the exhaust frame compartment 405.

[0046] According to the specifications of the curved screen, under the drive of the second drive component 803, the movable sleeve 802 can be moved and adjusted longitudinally along the fixed rod frame 801. In conjunction with the two side linkage frames 804, the position of the two side first support frames 805 can be adjusted. After the two side first support frames 805 are adjusted, the curved screen can be placed on the two side first support frames 805. The bottom side of the curved screen abuts against the two side first connecting rollers 806, completing the initial support of the curved screen.

[0047] In this application, the second driving component 803 is not limited to an electric telescopic rod. It can also be driven by a linear motor, electric cylinder, or pneumatic cylinder, etc., as long as it can realize the movement and adjustment of the movable sleeve 802. No specific limitation is made here.

[0048] In one embodiment of the present invention:

[0049] like Figure 1 and Figure 2 As shown, the second limiting component 9 includes: at least two sets of third elastic members 901, the third elastic members 901 being movably connected to the exhaust frame compartment 405; the third elastic members 901 are elastic telescopic rods; a second support frame 902, the second support frame 902 being movably connected to the exhaust frame compartment 405 and movably connected to the end of the third elastic members 901 away from the exhaust frame compartment 405; a second connecting roller 903, the second connecting roller 903 being connected to the end of the second support frame 902 away from the exhaust frame compartment 405; and a plurality of second positioning grooves 904, the second positioning grooves 904 being disposed inside the second support frame 902;

[0050] When the curved screen is preliminarily supported by the first limiting assembly 8, the bottom side of the curved screen can also abut against the second connecting rollers 903 on both sides, and the second supporting frame 902 cooperates with the third elastic member 901 to complete the elastic auxiliary support of the curved screen, further improving the support stability of the curved screen.

[0051] The working principle of the present application is that: a shell is installed outside the stable seat 1, the curved screen to be detected faces upward, the curved screen to be detected is placed above the supporting assembly 7, the supporting assembly 7 supports the bottom of the curved screen, the heat dissipation driving device 4 operates to blow air on the bottom of the curved screen to accelerate the heat dissipation speed of the curved screen, at the same time, the linkage adjusting device 5 and the edge limiting assembly 6 cooperate to realize the limiting clamping of the curved screen, further improving the stability of the curved screen, then the photosensitive detection frame assembly 3 is rotated to the top side of the curved screen for backlight detection, the arc light collecting frame 303 is in the position on the back side of the tooling table 202 in the initial state, facilitating the placement of the curved screen, when the curved screen is placed and fixed, the arc light collecting frame 303 is rotated and adjusted to the top side of the curved screen under the drive of the first driving member 301 in cooperation with the connecting frame 302, then the curved screen is connected to the power supply, the curved screen irradiates the arc light collecting frame 303 with backlight, and the plurality of photosensitive members 304 perform multi-point backlight detection, the plurality of photosensitive members 304 are electrically connected with the detection host (not shown in the figure), and the detection host can complete the analysis of the backlight utilization rate of the OLED polarizing screen, when the air blowing member 402 is opened and the two first control members 404 are closed, the pressure in the linkage adjusting device 5 is increased, which drives the two edge limiting assemblies 6 to move oppositely to complete the clamping and limiting of the curved screen, after the screen is limited and fixed, the first control member 404 is opened, the air blowing gas enters the inside of the two communication pipes 403, and then is discharged through the net rack position in the middle of the exhaust frame bin 405, which can improve the heat dissipation effect of the screen and further ensure the detection accuracy of the screen, when the edge limiting assembly 6 is driven to move, the two first control members 404 are closed, and the second control member 502 is opened at a certain time, the gas generated by the air blowing member 402 is quantitatively introduced into the inside of the pressurizing groove bin 501, drives the piston frame 504 to drive the connecting plate frame 505 and the limiting groove frame 506 to move towards the side close to the tooling table 202, cooperates with the inclined surface frame 507, and drives the two edge limiting assemblies 6 to move oppositely to complete the clamping of the outside of the screen.

[0052] According to the curved screen specification and the height position of the curved screen, the longitudinal height of the sleeve frame 603 and the anti-skid clamping plate 605 is adjusted, and then the threaded knob 604 is rotated to cooperate with the first positioning groove 602 to complete the locking and fixing of the sleeve frame 603 and the anti-skid clamping plate 605; when the limiting groove frame 506 moves upward, the inclined surface frame 507 cooperates with the transmission frame 607 abutting thereagainst, which can drive the two side positioning frames 601 to move oppositely, and the clamping of the outer side of the curved screen is completed through the two anti-skid clamping plates 605; according to the curved screen specification, the movable sleeve frame 802 can be driven to move longitudinally along the fixed rod frame 801 for adjustment under the driving of the second driving member 803, and the positions of the two first support frames 805 can be adjusted in cooperation with the two linkage frames 804; after the adjustment of the two first support frames 805 is completed, the curved screen can be placed on the two first support frames 805, and the bottom side of the curved screen abuts against the two first connecting rollers 806 to complete the preliminary support of the curved screen; when the preliminary support of the curved screen is completed through the first limiting assembly 8, the bottom side of the curved screen can also abut against the two second connecting rollers 903, and the second support frame 902 cooperates with the third elastic member 901 to complete the elastic auxiliary support of the curved screen, which further improves the support stability of the curved screen; after the position of the second support frame 902 is determined, when the two side positioning frames 601 move oppositely, the positioning rod 606 outside the positioning frame 601 can be inserted into the second positioning groove 904 outside the corresponding position of the second support frame 902 to complete the locking and fixing of the second support frame 902.

[0053] In summary, the first limiting assembly 8 cooperates with the second limiting assembly 9 to realize the stable support of the bottom of the curved screen, and can be adaptively adjusted according to the screen specification; while radiating the screen, the linkage adjustment device 5 cooperates with the edge limiting assembly 6 to realize the multi-point clamping of the periphery of the curved screen, which further improves the stability of the curved screen during inspection and effectively protects the curved screen.

[0054] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. An OLED polarizing screen utilization improvement detection device, characterized in that, The utility model relates to a screen testing device, including: Stable seat; Tool rest assembly, the tool rest assembly is connected with stable seat; Photosensitive detection frame assembly, the photosensitive detection assembly is connected with tool rest assembly, is used for screen backlight detection; Heat dissipation driving device, the heat dissipation driving device is connected with stable seat, is used for detecting the heat dissipation of screen; Edge limiting assembly, the edge limiting assembly is connected with stable seat, is used for screen's outside limiting; Linkage adjusting device, the linkage adjusting device is connected with heat dissipation driving device, is used for the movement drive of edge limiting assembly; Support assembly, the support assembly is connected with heat dissipation driving device; Wherein, the support assembly includes: First limiting assembly, the first limiting assembly is connected with heat dissipation driving device; Second limiting assembly, the second limiting assembly is connected with heat dissipation driving device, is used for cooperation first limiting assembly, completes the bottom support of screen; The photosensitive detection frame assembly includes: At least two first driving members, the first driving member is connected with tool rest; Connecting frame, the connecting frame is connected with first driving member; Arc light collection frame, the arc light collection frame is connected with the end of connecting frame away from first driving member; Several photosensitive members, the photosensitive member is connected with arc light collection frame; The linkage adjusting device includes: Pressurized groove bin, the pressurized groove bin is connected with wind bin intercommunication; Second control member, the second control member is connected with pressurized groove bin; Second elastic member, the second elastic member is connected with pressurized groove bin; Piston frame, one end of piston frame is connected with second elastic member, the other end is connected with pressurized groove bin through; Connecting plate frame, the connecting plate frame is connected with the end of piston frame away from second elastic member; At least two limiting groove frames, the limiting groove frame is connected with connecting plate frame; Inclined surface frame, the inclined surface frame is connected with the inside of limiting groove frame; The edge limiting assembly includes: Positioning frame, the positioning frame is connected with first elastic member through second through groove; Several first positioning grooves, the first positioning groove is arranged in the inside of positioning frame; Sleeve frame, the sleeve frame is movably connected with positioning frame; Threaded knob, the threaded knob is connected with sleeve frame; Anti -skid clamping plate, the anti -skid clamping plate is connected with the side of sleeve frame away from threaded knob; Positioning rod, the positioning rod is connected with positioning frame; Transmission frame, the transmission frame is connected with positioning frame, and is abutted with inclined surface frame.

2. The OLED polarizing screen utilization improvement detection device according to claim 1, characterized in that, The tool rest assembly includes: At least two supports, the support is connected with stable seat; Tool rest, the tool rest is connected with the end of support away from stable seat; At least two first through grooves, the first through groove is arranged in the inside of tool rest top side; At least two groups of second through grooves, the second through groove is arranged in the inside of tool rest top side; First elastic member, the first elastic member is connected with the inside of second through groove.

3. The OLED polarizing screen utilization improvement detection device according to claim 2, characterized in that, The heat dissipation driving device includes: Wind bin, the wind bin is connected with stable seat; Air blower, the air blower is connected with wind bin; At least two communication pipes, the communication pipe is connected with wind bin intercommunication; First control member, the first control member is arranged in the inside of communication pipe, is used for the intercommunication control of communication pipe and wind bin; Exhaust frame bin, the exhaust frame bin is connected with the end of communication pipe away from wind bin intercommunication.

4. The OLED polarizing screen utilization improvement detection device according to claim 3, characterized in that, The first limiting assembly includes: Fixed rod frame, the fixed rod frame is connected with exhaust frame bin; The movable sleeve frame is movably connected with the fixed rod frame; The second driving member is movably connected with the air exhaust frame bin at one end and with the movable sleeve frame at the other end; The linkage frame is movably connected with the movable sleeve frame; The first support frame is movably connected with the air exhaust frame bin and with the linkage frame away from the movable sleeve frame at one end; The first connecting roller is connected with the first support frame away from the air exhaust frame bin at one end.

5. The OLED polarizing screen utilization improvement detection device according to claim 3, characterized in that, The second limiting assembly comprises: The third elastic member is movably connected with the air exhaust frame bin; The second support frame is movably connected with the air exhaust frame bin and with the third elastic member away from the air exhaust frame bin at one end; The second connecting roller is connected with the second support frame away from the air exhaust frame bin at one end; The second positioning groove is arranged in the second support frame.

Citation Information

Patent Citations

  • Lens thickness detector

    CN114777716A

  • Screen bearing device and screen detection equipment

    CN213635128U

  • Optical detector for optical inspection of LED display screen

    CN218066976U