Organic luminescent material purification device with window

Abstract

The utility model discloses an organic light-emitting material purifying device with a window, which comprises a vacuum chamber, a heating unit is arranged below the vacuum chamber, an OLED (Organic Light Emitting Diode) placing device is fixedly arranged in the vacuum chamber and on the heating unit, and substrate clamping units are arranged on the top side in the vacuum chamber. The OLED placing device is installed, the placing plates are arranged on the stand columns, OLED materials can be placed in a suspended mode, the hot-dip purification efficiency is improved, all the stand columns can be adjusted and moved under the action of the screw rods, the placing range of the placing plates is enlarged, the OLED hot-dip purification device can be suitable for OLED materials of different sizes, and the OLED hot-dip purification efficiency is improved. In addition, the substrate clamping unit is fixed to the top side of the interior of the vacuum chamber through a suction cup, a solid thin film of an OLED material can be formed on the substrate through deposition, condensation and solidification, taking is convenient, hot air enters a heating pipe through an air heater and a heating plate, the hot air flows into a heating box again through flowing, then heat can be recycled, and the heat utilization efficiency is improved. And the heat consumption is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of OLED purification, in particular to an organic light-emitting material purification device with a window. Background Art

[0002] OLED is also known as organic electric laser display and organic light-emitting semiconductor. OLED is a current-type organic light-emitting device. It is a phenomenon of luminescence caused by the injection and recombination of carriers. With the development of organic light-emitting diode technology, the research and development of OLED materials has received widespread attention. OLED material is an organic compound that is purified by vacuum sublimation.

[0003] When purifying OLED materials, the OLED materials need to be placed in a vacuum chamber for heating. The temperature in the vacuum chamber is raised by hot air, but the heat cannot be recovered for secondary heating after being discharged, resulting in high heat consumption. In addition, the OLED materials are placed directly on the ground in the vacuum chamber, which affects the purification efficiency of the OLED materials. Utility Model Content

[0004] The purpose of the utility model is to provide an organic light-emitting material purification device with a window to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: an organic light-emitting material purification device with a window, comprising a vacuum chamber, a heating unit is installed below the vacuum chamber, an OLED placement device is fixedly installed inside the vacuum chamber and on the heating unit, and a substrate clamping unit is arranged on the top side of the vacuum chamber.

[0006] The heating unit comprises a mounting box, which is arranged at the bottom side of the vacuum chamber. A heating tube is coiled in the mounting box, and a heating source is fixedly installed at the inlet and outlet ends of the heating tube.

[0007] The OLED placement device comprises a base, the base is fixedly connected to the installation box, and a placement frame assembly is installed on the base in a circumferential direction.

[0008] As a further preferred embodiment of the present technical solution, the vacuum chamber comprises a vacuum cavity, a sealing door is movably connected to the front side of the vacuum cavity, and an observation window is embedded in the left through hole of the vacuum cavity.

[0009] In the above technical solution, the internal purification status can be observed through the observation window during the process.

[0010] As a further preferred embodiment of the present technical solution, the heating source includes a heating box, the inlet and outlet of the heating tube both extend into the heating box, a hot air blower is installed in the heating box, a heating plate is installed on the inner wall of the heating box, and the heating plate is connected to an external power supply via a power cord.

[0011] In the above technical solution, the hot air blower and the heating plate allow the hot air to enter the heating tube and then flow back into the heating box, thereby allowing the heat to be recycled and reducing heat consumption.

[0012] As a further preferred embodiment of the present technical solution, the substrate clamping unit includes a suction cup, which is sucked on the top side of the vacuum chamber, and the bottom side of the suction cup is fixedly connected to a fixing frame, and the front and rear sides of the fixing frame are fixedly connected to a limiting frame, and two groups of the limiting frames limit the substrate.

[0013] In the above technical solution, the substrate clamping unit is fixed to the top side of the vacuum chamber by the suction cup, and can be deposited, condensed and solidified on the substrate to form a solid film of OLED material, which is convenient to take.

[0014] As a further preferred embodiment of the present technical solution, the placement rack assembly includes a screw rod, which is arranged in a base mounting groove through a bearing, a handle is fixedly connected to one end of the outer side of the screw rod, and a moving block is threadedly connected to the outer wall of the screw rod.

[0015] In the above technical solution, each column can be adjusted and moved under the action of the screw rod, thereby increasing the placement range of the placement plate and being suitable for OLED materials of different sizes.

[0016] As a further preferred embodiment of the present technical solution, the top sides of the moving blocks are fixedly connected with columns, the outer walls on the sides facing the columns are fixedly connected with placement plates, the placement plates are vertically arranged, and OLED materials are arranged on the placement plates.

[0017] In the above technical solution, a placement plate is provided on the column, so that the OLED material can be suspended in the air, thereby improving the efficiency of hot-dip purification.

[0018] As a further preferred embodiment of the present technical solution, the top of the vacuum chamber is arranged to be arc-shaped.

[0019] The utility model provides an organic light-emitting material purification device with a window, which has the following beneficial effects:

[0020] (1) The utility model installs an OLED placement device and arranges a placement plate on a column, so that the OLED material can be suspended and placed, thereby improving the efficiency of hot-dip purification. Each column can be adjusted and moved under the action of a screw rod, thereby increasing the placement range of the placement plate and being suitable for OLED materials of different sizes. In addition, the substrate clamping unit is fixed to the top side of the vacuum chamber through a suction cup, so that the OLED material can be deposited, condensed, and solidified on the substrate to form a solid film, which is convenient for taking.

[0021] (2) The utility model installs a heating unit, and allows hot air to enter the heating tube through a hot air blower and a heating plate, and then flow back into the heating box from the other end of the heating tube, thereby allowing heat to be recycled and reducing heat consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall structure of the organic light-emitting material purification device of the utility model;

[0023] Figure 2 The utility model is Figure 1 Schematic diagram of the internal structure;

[0024] Figure 3 The utility model is Figure 2 A cross-sectional view of a heating unit;

[0025] Figure 4 The utility model is Figure 2 A schematic structural diagram of an OLED placement device;

[0026] Figure 5 The utility model is Figure 2 A magnified view of Figure A;

[0027] In the figure: 1. vacuum chamber; 2. heating unit; 3. substrate clamping unit; 4. OLED placement device; 11. vacuum chamber; 12. sealing door; 13. observation window; 21. installation box; 22. heating tube; 23. heating source; b1. heating box; b2. hot air blower; b3. heating plate; 31. suction cup; 32. fixing frame; 33. limiting frame; 41. base; 42. placement frame assembly; a1. screw; a2. handle; a3. moving block; a4. column; a5. placement plate. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0029] The utility model provides a technical solution: Figure 1As shown, in this embodiment, an organic light-emitting material purification device with a window includes a vacuum chamber 1, a heating unit 2 is installed below the vacuum chamber 1, an OLED placement device 4 is fixedly installed inside the vacuum chamber 1 and on the heating unit 2, a substrate clamping unit 3 is arranged and installed on the top side of the vacuum chamber 1, the vacuum chamber 1 includes a vacuum cavity 11, a sealing door 12 is movably connected to the front side of the vacuum cavity 11, an observation window 13 is embedded in the left through hole of the vacuum cavity 11, and the top of the vacuum cavity 11 is arranged to be arc-shaped.

[0030] like Figure 2 and Figure 3 As shown, the heating unit 2 includes a mounting box 21, which is arranged on the bottom side of the vacuum chamber 1, and a heating tube 22 is coiled in the mounting box 21. A heating source 23 is fixedly installed at the inlet and outlet ends of the heating tube 22. The heating source 23 includes a heating box b1, and the inlet and outlet of the heating tube 22 both extend into the heating box b1. A hot air blower b2 is installed in the heating box b1, and a heating plate b3 is installed on the inner wall of the heating box b1. The heating plate b3 is connected to an external power supply through a power cord. By installing the heating unit 2, hot air enters the heating tube 22 through the hot air blower b2 and the heating plate b3, and flows back into the heating box b1 from the other end of the heating tube 22, thereby allowing the heat to be recycled and reducing heat consumption.

[0031] like Figure 2 and Figure 5 As shown, the substrate clamping unit 3 includes a suction cup 31, which is sucked on the top side of the vacuum chamber 11, and a fixing frame 32 is fixedly connected to the bottom side of the suction cup 31. The front and rear sides of the fixing frame 32 are fixedly connected to limit frames 33. The two sets of limit frames 33 limit the substrate. The substrate clamping unit 3 is fixed to the top side of the vacuum chamber 1 through the suction cup 31, and can be deposited, condensed, and solidified on the substrate to form a solid film of OLED material, which is convenient for taking.

[0032] like Figure 2 and Figure 4As shown, the OLED placement device 4 includes a base 41, which is fixedly connected to the installation box 21, and a placement frame assembly 42 is installed on the base 41 in a circumferential direction. The placement frame assembly 42 includes a screw a1, and the screw a1 is set in the installation groove of the base 41 through a bearing. A handle a2 is fixedly connected to one end of the outer side of the screw a1, and a moving block a3 is threadedly connected to the outer wall of the screw a1, and a column a4 is fixedly connected to the top side of the moving block a3. The outer wall of the column a4 facing the side is fixedly connected with a placement plate a5, and the placement plates a5 are vertically arranged and distributed. OLED materials are set on the placement plates a5, and the OLED placement device 4 is installed. The placement plates a5 are arranged on the columns a4, so that multiple OLED materials of the same size can be placed, so that multiple OLED materials can be hot-dip purified at one time, and each column a4 can be adjusted and moved under the action of the screw a1, so as to increase the placement range of the placement plate a5, and can be suitable for OLED materials of different sizes.

[0033] The utility model provides an organic light-emitting material purification device with a window, and the specific working principle is as follows: when purifying OLED materials, firstly, the position of each placement plate a5 can be adjusted according to the area of ​​the OLED material, and the user can rotate the handle a2 to drive the screw a1 to rotate, so that the moving block a3 moves on the screw a1, and then the placement plate a5 can be adjusted, and the user can place the OLED material on the placement plate a5, and insert the substrate into the limit frame 33, and close the sealing door 12; when purifying, the internal vacuum degree is increased by a vacuum pump, and at the same time, the hot air blower b2 is started and the heating plate b3 is powered, so that the hot air enters the heating tube 22 and flows back into the heating box b1 from the other end of the heating tube 22, and the OLED material is sublimated without being divided as the temperature rises, and then the OLED material is completely sublimated by lowering the temperature, and is deposited, condensed, and solidified on the substrate to form a solid film of the OLED material, during which the internal purification status can be observed through the observation window 13.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An organic light-emitting material purification device with a window, comprising a vacuum chamber (1), characterized in that: A heating unit (2) is installed below the vacuum chamber (1), an OLED placement device (4) is fixedly installed inside the vacuum chamber (1) and on the heating unit (2), and a substrate clamping unit (3) is arranged and installed on the top side of the vacuum chamber (1); The heating unit (2) comprises a mounting box (21), the mounting box (21) being arranged at the bottom side of the vacuum chamber (1), a heating tube (22) being arranged in a coil in the mounting box (21), and a heating source (23) being fixedly mounted at the inlet and outlet ends of the heating tube (22); The OLED placement device (4) comprises a base (41), the base (41) is fixedly connected to the installation box (21), and a placement frame assembly (42) is mounted on the base (41) in a circumferential direction.

2. The organic light-emitting material purification device with a window according to claim 1, characterized in that: The vacuum chamber (1) comprises a vacuum cavity (11), a sealing door (12) is movably connected to the front side of the vacuum cavity (11), and an observation window (13) is embedded in the left through hole of the vacuum cavity (11).

3. The organic light-emitting material purification device with a window according to claim 1, characterized in that: The heating source (23) comprises a heating box (b1), the inlet and outlet of the heating tube (22) both extend into the heating box (b1), a hot air blower (b2) is installed in the heating box (b1), a heating plate (b3) is installed on the inner wall of the heating box (b1), and the heating plate (b3) is connected to an external power source via a power cord.

4. The organic light-emitting material purification device with a window according to claim 1, characterized in that: The substrate clamping unit (3) comprises a suction cup (31), the suction cup (31) is sucked on the top side of the vacuum chamber (11), the bottom side of the suction cup (31) is fixedly connected to a fixing frame (32), the front and rear sides of the fixing frame (32) are fixedly connected to limiting frames (33), and two groups of limiting frames (33) limit the substrate.

5. The organic light-emitting material purification device with a window according to claim 1, characterized in that: The placement rack assembly (42) includes a screw rod (a1), which is arranged in a mounting groove of a base (41) via a bearing, a handle (a2) is fixedly connected to one end of the outer side of the screw rod (a1), and a moving block (a3) ​​is threadedly connected to the outer wall of the screw rod (a1).

6. The organic light-emitting material purification device with a window according to claim 5, characterized in that: The top side of the moving block (a3) ​​is fixedly connected with a column (a4), and the outer wall on the side facing the column (a4) is fixedly connected with a placement plate (a5), the placement plates (a5) are vertically arranged, and OLED materials are arranged on the placement plates (a5).

7. The organic light-emitting material purification device with a window according to claim 2, characterized in that: The top end of the vacuum chamber (11) is arranged in an arc shape.

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