Thin film high-temperature-resistant detection device for flexible display

Abstract

The utility model relates to the technical field of polyimide film high temperature resistance detection, in particular to a film high temperature resistance detection device for flexible display, which comprises a vacuum box, a buckle cover assembly, a temperature sensor, an interface and a mounting frame, the vacuum box is connected with the cover buckling assembly. The buckle cover assembly comprises a cover body, the periphery of the cover body is connected with an edge block b, a lifting screw penetrates through the edge block b, the lifting screw is connected with a top plate, the top plate is connected with a supporting rod, the supporting rod is connected with a mounting block, the mounting block is connected with an aluminum buckle plate, the aluminum buckle plate is connected with an insertion rod and connected with a bearing device, and the bearing device is provided with a detection groove used for containing polyimide films. According to the thin film high-temperature-resistant detection device, the four groups of aluminum gusset plates and the bearing device are connected through the supporting rods and the mounting blocks, and the lifting screw rods are matched, so that a connecting structure of the aluminum gusset plates and the bearing device is conveniently and rapidly added, a plurality of aluminum gusset plates can be conveniently and synchronously operated and connected to the bearing device, the operation is simple, the use is convenient, and the practicability of the thin film high-temperature-resistant detection device for flexible display is improved.

Description

Technical Field

[0001] This utility model relates to the field of high temperature resistance testing technology for polyimide films, and in particular to a high temperature resistance testing device for flexible displays. Background Technology

[0002] Polyimide is a high-performance material with excellent thermal stability, chemical stability, and mechanical properties, and it has broad application prospects in high-tech fields such as aerospace, electrical and electronic engineering, and optoelectronics. In the mid-1960s, polyimide films began to be commercialized, marking the beginning of its rapid development in the field of high-performance materials. In fields such as flexible displays and flexible thin-film batteries, polyimide film materials, as flexible substrates, can well meet the application requirements.

[0003] Chinese Patent No. CN210243535U discloses a high-temperature resistance testing device for polyimide films used in flexible displays. The device includes a vacuum tank, a base fixed inside the bottom tank, a heater fixed on the base, and an annular platform fixed to the bottom of the inner sidewall of the middle tank. In this device, the polyimide film is placed in a testing groove within an aluminum base. An aluminum snap-on plate is engaged, and a pin is inserted into a socket. The aluminum snap-on plate descends and presses the polyimide film, stabilizing it within the testing groove of the aluminum base. Because both are made of aluminum, the polyimide film can be heated evenly. It also facilitates the replacement of the polyimide film to be tested, ensuring uniform heating, convenient installation and disassembly, and no impact on the subsequent use of the aluminum plate.

[0004] The existing device uses aluminum clips to stabilize the polyimide film to be tested in the testing tank. However, the operator needs to open the cover to operate multiple aluminum clips to connect with the carrier. This operation reduces the efficiency of high-temperature testing of polyimide films. The connection structure between the aluminum clips and the carrier is simple. When the device is unstable and shakes, it affects the stability of the polyimide film in the testing tank, reducing its practicality. Utility Model Content

[0005] To address the problems existing in the background technology, a high-temperature resistance testing device for thin films used in flexible displays is proposed.

[0006] This utility model proposes a high-temperature resistance testing device for thin films used in flexible displays, comprising: a vacuum chamber, a cover assembly, a temperature sensor, an interface, and a mounting bracket;

[0007] Vacuum box connection cover assembly; the cover assembly includes a cover body, an edge block b is connected to the periphery of the cover body and a lifting screw is provided through it, the lifting screw is connected to the top plate, the top plate is connected to the support rod, the support rod is connected to the mounting block, the mounting block is connected to the aluminum buckle plate, the aluminum buckle plate is connected to the insert rod and connected to the holder, and the holder is provided with a detection groove for placing polyimide film sheet.

[0008] The temperature sensor is connected to the cover, and the sensing end passes through the cover and is connected to the vacuum chamber.

[0009] Preferably, the vacuum chamber is connected to an edge block a, and edge block a and edge block b are connected by a mounting bracket and are detachably connected.

[0010] Preferably, the vacuum chamber is connected to a base inside and mounting rods are connected to both sides of the inner wall. The mounting rods are connected to aluminum plates and are detachably connected. The aluminum plates are provided with through holes and are connected to the top of the base.

[0011] Preferably, an interface is installed on one side of the vacuum chamber, the interface is connected to a wiring harness, and the wiring harness passes through the inside of the vacuum chamber and connects to the heater;

[0012] The heater is connected to the base plate to heat the vacuum chamber, enabling high-temperature testing of the polyimide film.

[0013] Preferably, the aluminum ceiling panel is provided with a mounting groove for connecting the mounting block, and the connection is detachable; the insert rod is connected in the slot, and the slot is set on the support.

[0014] Preferably, the mounting device is connected to the aluminum plate; the aluminum panel is movably connected inside the vacuum chamber.

[0015] Compared with the prior art, the present invention has the following beneficial technical effects:

[0016] This invention features a cover that connects to a lifting screw. One end of the lifting screw is connected to a top plate, which is connected to four support rods. Each support rod is connected to a mounting block, which is detachably connected to a mounting groove. The mounting groove is located on an aluminum panel, which is then connected to a support. The support has a detection groove for placing a polyimide film to be tested for high-temperature resistance. This facilitates the high-temperature resistance testing of the polyimide film. The support rods and mounting blocks connect four sets of aluminum panels and the support. With the lifting screw, multiple aluminum panels can be simultaneously connected to the support. The operation is simple and easy to use, improving the connection structure between the aluminum panels and the support. The lifting screw facilitates tightening and adjusting the connection between the aluminum panels and the support. In the event of instability or shaking, this prevents interference with the testing of the polyimide film placed in the detection groove, thus significantly improving the practicality of the high-temperature resistance testing device for flexible displays. Attached Figure Description

[0017] Figure 1This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the cover assembly structure in this utility model;

[0019] Figure 3 This is a schematic diagram of the mounting component structure in this utility model;

[0020] Figure 4 This is a schematic diagram of the aluminum plate and heater structure in this utility model.

[0021] Reference numerals: 1. Vacuum chamber; 101. Base; 102. Mounting rod; 103. Aluminum plate; 2. Cover assembly; 201. Cover body; 202. Edge block b; 203. Lifting screw; 204. Top plate; 205. Support rod; 206. Mounting block; 207. Aluminum cover plate; 208. Insert rod; 209. Receiver; 3. Temperature sensor; 4. Interface; 401. Wiring harness; 402. Heater; 5. Mounting bracket. Detailed Implementation

[0022] The specific embodiments of this disclosure will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for illustration and explanation only and are not intended to limit this disclosure.

[0023] Example 1

[0024] like Figure 1 - Figure 4As shown, this utility model proposes a high-temperature resistance testing device for flexible displays, comprising: a vacuum chamber 1, a cover assembly 2, a temperature sensor 3, an interface 4, and a mounting bracket 5; the vacuum chamber 1 is connected to the cover assembly 2; the cover assembly 2 includes a cover body 201, an edge block b202 connected to the periphery of the cover body 201 and a lifting screw 203 passing through it, the lifting screw 203 being connected to a top plate 204, the top plate 204 being connected to a support rod 205, the support rod 205 being connected to a mounting block 206, the mounting block 206 being connected to an aluminum clip plate 207, the aluminum clip plate 207 being connected to an insert rod 208 and a mounting device 209, and the mounting device 209 being provided with a detection groove for placing a polyimide film sheet; the temperature sensor 3 is connected to the cover body 201 and its detection end passes through the cover body 201 and is connected inside the vacuum chamber 1. By placing the polyimide film to be tested for high temperature resistance into the testing slot of the holder 209, which is connected to the aluminum plate 103, the holder 209 is connected to the vacuum chamber 1, making the holder 209 and the aluminum plate 207 movably connected. After the polyimide film is placed, the cover assembly 2 is connected to the vacuum chamber 1, so that the polyimide film is placed inside the vacuum chamber 1. The heater 402 heats the vacuum chamber 1, and the heat is transferred to the holder 209 to achieve the high temperature resistance test of the polyimide film. The cover assembly 2 uses a lifting screw 203 and a top plate 204. Each component is connected to one of four support rods 205, which are connected to the other two via mounting blocks 206 and aluminum clip plates 207. The aluminum clip plates 207 are connected to the mounting devices 209, facilitating the vacuum chamber 1 to perform high-temperature resistance testing on four polyimide films at a time. This improves the efficiency of the high-temperature resistance testing of polyimide films. The mounting blocks 206 and aluminum clip plates 207 are movably connected, allowing for single-mounted-device high-temperature resistance testing of polyimide films based on the number of tests. This improves the usability of the high-temperature resistance testing device for flexible displays and enhances its practicality.

[0025] Further explanation: The aluminum ceiling panel 207 is provided with a mounting groove for connecting the mounting block 206, and the connection is detachable; the insert rod 208 is connected to the slot, which is located on the mounting bracket 209; the mounting bracket 209 is connected to the aluminum plate 103; the aluminum ceiling panel 207 is connected to the vacuum box 1 via the cover 201, allowing it to be movably connected within the vacuum box 1. The insert rod 208 is used synchronously with the aluminum ceiling panel 207, allowing it to be inserted into the slot, facilitating the connection and use of the aluminum ceiling panel 207 and the mounting bracket 209.

[0026] Example 2

[0027] like Figure 1 and Figure 2 As shown, this utility model proposes a high-temperature resistance testing device for flexible displays. Based on the above embodiments, this embodiment also details the specific components such as the vacuum chamber 1 and the interface 4, as well as their cooperation method.

[0028] Further explanation: The vacuum chamber 1 is externally connected to edge block a, and edge block a and edge block b202 are connected by a mounting bracket 5 and are detachably connected. Inside the vacuum chamber 1 is a base 101, and mounting rods 102 are connected to both sides of the inner wall. The mounting rods 102 are connected to aluminum plates 103 and are detachably connected. The aluminum plates 103 have through holes and are connected above the base 101. Edge blocks a and b202 are connected, and the mounting bracket 5 is U-shaped. The mounting bracket 5 engages with edge blocks a and b202, using bolts to connect the vacuum chamber 1 and the cover 201. This simple operation and ease of use, combined with the through holes in the aluminum plates 103, improves heat transfer efficiency and enhances the efficiency of high-temperature testing.

[0029] Further explanation: An interface 4 is installed on one side of the vacuum chamber 1. Interface 4 is connected to a wiring harness 401, which passes through the interior of the vacuum chamber 1 and connects to heaters 402. Heaters 402 are connected to the base 101 and are used to heat the interior of the vacuum chamber 1 for high-temperature resistance testing of the polyimide film. Four heaters 402 are connected via wiring harness 401, and interface 4 is connected to a power supply, facilitating power supply to the four heaters 402. The heaters 402 are infrared lamps, which are easy to operate and facilitate heating within the vacuum chamber 1, thus improving the usability of the high-temperature resistance testing device for flexible displays.

[0030] The working principle of this utility model is as follows: When the device is in use, the cover 201 and the vacuum chamber 1 are in the open state. The cover 201 drives the top plate 204 through the lifting screw 203. The top plate 204 drives the support rod 205. The support rod 205 drives the mounting block 206. The mounting block 206 drives the aluminum buckle plate 207. The aluminum buckle plate 207 and the holder 209 are separated, and the holder 209 is in the open state. The operator places the polyimide film to be tested for high temperature resistance into the test groove of the holder 209. Then, the operator moves the cover 201 vertically downward onto the vacuum chamber 1. The mounting bracket 5 is used to connect the cover 201 and the vacuum chamber 1, so that the vacuum chamber 1 is in a sealed chamber. The heater 402 is started, and the heat is transferred through... The aluminum plate 103 is transferred to the holder 209, where the polyimide film is heated evenly to achieve high-temperature resistance testing of the polyimide film in the testing slot. When using the device according to the number of polyimide films to be tested, the operator disassembles the mounting block 206 and the smart mounting slot, rotates the lifting screw 203 to move the top plate 204 to the inner wall of the cover 201, and connects the aluminum buckle plate 207 and the holder 209 separately. The insertion rod 208 is inserted into the slot, facilitating the connection between the aluminum buckle plate 207 and the holder 209. The heater 402 works in conjunction to achieve high-temperature resistance testing of the polyimide film, conveniently increasing the usage methods of the high-temperature resistance testing device for flexible displays and improving the usage effect.

[0031] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited thereto. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the spirit of the present invention.

Claims

1. A thin film high temperature resistant detection device for flexible display, characterized in that, Include: Vacuum box (1); vacuum box (1) is connected with cover assembly (2); cover assembly (2) includes cover (201), cover (201) is connected with edge block b (202) periphery and is provided with lifting screw (203) penetratingly, lifting screw (203) is connected with top plate (204), top plate (204) is connected with support rod (205), support rod (205) is connected with mounting block (206), mounting block (206) is connected with aluminum buckle plate (207), aluminum buckle plate (207) is connected with plug rod (208) and is connected with container (209), and container (209) is provided with detection groove for placing polyimide film sheet; And temperature sensor (3) is connected on cover (201) and detection end is connected in vacuum box (1) penetratingly through cover (201). 2.The thin film high-temperature-resistant detection device for flexible display of claim 1, wherein, Vacuum box (1) is connected with edge block a periphery, and edge block a and edge block b (202) are connected through mounting frame (5) and can be detachably connected. 3.The thin film high-temperature-resistant detection device for flexible display of claim 2, wherein, Vacuum box (1) is connected with base (101) inside and is connected with mounting rod (102) on both sides of inner wall, mounting rod (102) is connected with aluminum plate (103) and can be detachably connected; aluminum plate (103) is provided with through hole and is connected above base (101). 4.The thin film high-temperature-resistant detection device for flexible display of claim 3, wherein, Vacuum box (1) is provided with interface (4) on one side, interface (4) is connected with wire harness (401), wire harness (401) is connected with heater (402) penetratingly through inside of vacuum box (1); Heater (402) is connected on base (101), for heating in vacuum box (1), so as to detect high temperature resistance of polyimide film sheet. 5.The thin film high-temperature resistant detection device for flexible display of claim 1, wherein, Aluminum buckle plate (207) is provided with mounting groove for connecting mounting block (206) and can be detachably connected; plug rod (208) is connected in plug groove provided on container (209). 6.The thin film high-temperature resistant detection device for flexible display of claim 5, wherein, Container (209) is connected on aluminum plate (103); aluminum buckle plate (207) is movably connected in vacuum box (1).

Images