WO2015165183A1 - 一种蒸镀装置 - Google Patents
一种蒸镀装置 Download PDFInfo
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- WO2015165183A1 WO2015165183A1 PCT/CN2014/085383 CN2014085383W WO2015165183A1 WO 2015165183 A1 WO2015165183 A1 WO 2015165183A1 CN 2014085383 W CN2014085383 W CN 2014085383W WO 2015165183 A1 WO2015165183 A1 WO 2015165183A1
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- WIPO (PCT)
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- vapor deposition
- magnetic
- substrate
- magnetic block
- support frame
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/04—Coating on selected surface areas, e.g. using masks
- C23C16/042—Coating on selected surface areas, e.g. using masks using masks
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/04—Coating on selected surface areas, e.g. using masks
- C23C14/042—Coating on selected surface areas, e.g. using masks using masks
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/24—Vacuum evaporation
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/458—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for supporting substrates in the reaction chamber
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/10—Deposition of organic active material
- H10K71/16—Deposition of organic active material using physical vapour deposition [PVD], e.g. vacuum deposition or sputtering
- H10K71/164—Deposition of organic active material using physical vapour deposition [PVD], e.g. vacuum deposition or sputtering using vacuum deposition
Definitions
- the present invention relates to a manufacturing apparatus in the field of display technology, and more particularly to an evaporation apparatus.
- OLED organic light emitting diode
- the full color display of the OLED generally includes R (red) G (green) B (blue) sub-pixel independent illumination, or white OLED combined with color filter film.
- the RGB sub-pixel independent illumination is the most widely used color mode, which is independent illumination by using the organic light-emitting material in the sub-pixel unit.
- the organic light-emitting material layer is generally formed by vacuum evaporation coating of an organic material.
- the organic luminescent layer of the RGB sub-pixel unit needs to be separately vapor-deposited, and a metal mask is generally used in the process.
- the open area is aligned with the sub-pixel area to evaporate different colors of luminescent material in different sub-pixel areas.
- the metal mask is relatively thin, it is generally only a few tens of micrometers thick, and it is easy to be deformed, so that in practical use, it is inevitably caused to be inconsistent with the substrate to be vapor-deposited, thereby causing organic light emission in the vapor deposition.
- the correct pattern cannot be formed.
- an evaporation apparatus comprising: an evaporation chamber, an evaporation source disposed in the evaporation chamber, a mask support frame, and a substrate support frame, wherein the mask support frame is used for carrying a metal mask, the substrate support is used to carry the substrate to be evaporated, and the metal mask is disposed between the evaporation source and the substrate to be evaporated; the evaporation device further includes: an adsorption device disposed in the evaporation chamber, The adsorption device comprises: a plurality of magnetic blocks arranged in a matrix disposed on a side of the substrate to be vapor-deposited away from the metal mask, and a traction device for adjusting the upward movement of each of the magnetic blocks relative to the substrate to be vapor-deposited.
- the vapor deposition apparatus achieves the following technical effects by introducing an adsorption device into the vapor deposition chamber: first, a magnetic field generated by the plurality of magnetic blocks disposed on the side of the substrate to be vapor-deposited away from the metal mask, which is included in the adsorption device , the metal mask can be closely adhered to the substrate to be vapor-deposited thereon to form a correct pattern when the sub-pixel unit is vapor-deposited; secondly, on the basis of the traction device included in the adsorption device The height of the magnetic blocks is controlled relative to the height of the substrate to be vapor-deposited, so that the magnetic fields of all the magnetic blocks tend to be uniform, and the metal mask is prevented from being deformed due to the magnetic field unevenness, thereby avoiding the influence on the above pattern.
- the traction device includes a plurality of adjustment bars disposed above the magnetic block and in one-to-one correspondence with the magnetic blocks for driving the magnetic blocks to move up and down.
- each of the adjustment rods is connected to the corresponding magnetic block by a screw connection, wherein the surface of the adjustment rod has a thread, and the surface of the magnetic block has a screw hole, a screw hole and an adjustment with respect to the surface of the adjustment rod
- the threads of the rod surface match to form a threaded joint.
- the adjusting rod and the magnetic block can also be connected by other means, such as snapping and bonding.
- the traction device further includes a fixing plate for fixing the adjusting rod; wherein the fixing plate has a number of through holes corresponding to the adjusting rod for the adjusting rod to penetrate and the surface of the through hole has two Opposing grooves; and the surface of the adjusting rod has a plurality of pairs of elastic protrusions, each pair of protrusions matching the groove on the surface of the through hole for fixing the adjusting rod when the adjusting rod penetrates the through hole of the fixing plate live.
- the fixing plate is connected to the lifting mechanism fixed to the bottom surface of the vapor deposition chamber, and the lifting mechanism is used to drive the fixing plate to move downward.
- the traction apparatus further includes a controller that controls the movement of any of the adjustment bars up and down.
- the vapor deposition device further includes a telescopic support frame disposed on the sidewall of the vapor deposition chamber and an opening disposed at a position where the telescopic support frame contacts the vapor deposition chamber, wherein the telescopic support The frame is telescopic in the direction of the vertical vapor deposition chamber sidewalls and is used to carry the separated or replaced magnetic blocks by stretching and transporting the separated or replaced magnetic blocks through the openings out of the evaporation chamber.
- the vapor deposition device further includes a driving device disposed on the outdoor side of the vapor deposition chamber and connected to the telescopic support frame; wherein the driving device is used to control the expansion and contraction of the telescopic support frame.
- the adsorption apparatus further includes a magnet block support plate for carrying the magnet block
- the magnet block support plate may include a plurality of movable blocks, wherein a surface area of any one of the movable blocks is larger than the activity The surface area of the magnetic block carried by the block, and the pulling device is used to adjust the up and down movement of the magnetic block carried by the movable block relative to the substrate to be evaporated by moving the moving block up and down.
- the traction means includes a drawbar disposed at four corners of each of the movable blocks for driving the movable block to move up and down.
- All the magnetic blocks in the adsorption device are placed on the same horizontal plane by using the traction device, that is, the distances of all the magnetic blocks to the substrate to be evaporated are equal;
- the distance between the magnetic block larger than the reference value or smaller than the reference value to the substrate to be vapor-deposited is respectively adjusted by the pulling device, so that the magnetic fields of all the magnetic blocks tend to be the reference values.
- FIG. 1 is a schematic structural view of an evaporation apparatus according to a first embodiment of the present invention
- FIG. 2 is a schematic structural view of an adsorption device according to an embodiment of the present invention.
- FIG. 3 is a schematic structural view showing an adjustment rod and a magnetic block in an adsorption device according to an embodiment of the present invention
- Figure 4 is a schematic view showing the structure of a traction device according to an embodiment of the present invention.
- Figure 5 is a schematic view showing the structure of an evaporation apparatus according to a second embodiment of the present invention.
- Figure 6 is a view showing the structure of an evaporation apparatus according to a third embodiment of the present invention.
- Figure 7 is a block diagram showing the structure of an evaporation apparatus according to a fourth embodiment of the present invention.
- Fig. 8 is a view showing the structure of an adsorption device according to another embodiment of the present invention.
- 01-vapor deposition device 10-vapor deposition chamber; 20-vapor deposition source; 30-mask support frame; 40-substrate support frame; 50-metal mask plate; 60-substrate to be evaporated; 70-adsorption device; 701-magnetic block; 702-traction device; 702a-adjusting rod; 702b-fixing plate; 702a1-protrusion; 702b1-through hole; 702c-traction rod; 703-lifting mechanism; 80- telescopic support frame; 90-drive device; 100-magnetic block support plate; 100a-active block.
- Fig. 1 shows a schematic structural view of an evaporation apparatus 01 according to a first embodiment of the present invention.
- the vapor deposition apparatus 01 includes a vapor deposition chamber 10, an evaporation source 20 disposed in the vapor deposition chamber, a mask support frame 30, and a substrate support frame 40.
- the mask support frame 30 is used to carry the metal mask 50, and the substrate
- the support frame 40 is configured to carry the substrate 60 to be vapor-deposited, and the metal mask 50 is disposed between the evaporation source 20 and the substrate 60 to be evaporated; further, the evaporation device 01 further includes: disposed in the evaporation chamber 10 Adsorption device 70.
- the adsorption device 70 includes a plurality of magnetic blocks 701 arranged in a matrix on the side of the substrate 60 to be vapor-deposited away from the metal mask 50, and a traction device for adjusting the movement of each magnetic block relative to the substrate 60 to be vapor-deposited. 702.
- the purpose of providing the magnetic block 701 on the side of the substrate 60 to be vapor-deposited away from the metal mask 50 is to closely match the metal mask 50 to the substrate 60 to be vapor-deposited thereon by the magnetic field generated by the magnetic block, thereby The correct pattern is formed when the pixel unit is vapor deposited.
- the purpose of the traction device 702 is that the magnetic field unevenness may occur when the magnetic blocks 701 are in the same horizontal plane. Therefore, the distance between the magnetic blocks 701 and the substrate 60 to be vapor-deposited is adjusted by the traction device 702.
- the magnetic field of these magnetic blocks 701 can be changed, so that the magnetic fields of all the magnetic blocks 701 tend to be uniform, and the metal mask 50 is prevented from being deformed due to the magnetic field unevenness, thereby avoiding the influence on the vapor deposition pattern.
- the vapor deposition source 20 is disposed at a lower portion of the vapor deposition chamber 10 and is used to output a vapor deposition material such as a red light-emitting material, a green light-emitting material, or a blue light-emitting material.
- a vapor deposition material such as a red light-emitting material, a green light-emitting material, or a blue light-emitting material.
- each sub-pixel unit of the OLED display in addition to the light-emitting layer, it generally includes a hole transport layer disposed between the anode and the light-emitting layer, and an electron transport layer disposed between the cathode and the light-emitting layer; It may further include a hole injection layer disposed between the anode and the hole transport layer, an electron injection layer disposed between the cathode and the electron transport layer, and the like; each of the functional layers may be steamed by the evaporation source 20 to output a corresponding material. Plated to get the corresponding pattern.
- the substrate support frame 40 is disposed on the upper portion of the vapor deposition chamber 10, and the edge of the substrate to be vapor-deposited 60 is located on the substrate support frame 40; wherein the substrate 60 to be evaporated may include a glass substrate substrate, and is disposed on the glass substrate substrate. And a thin film transistor or the like located in each sub-pixel unit, depending on the function of the display to be formed.
- the vapor-deposited substrate or the substrate 60 to be vapor-deposited is exchanged through an opening (not shown) provided on the side wall of the vapor deposition chamber 10, and the opening can be opened and closed by a shutter.
- the mask support frame 30 is disposed below the substrate support frame 40, and the edge of the metal mask 50 is located on the mask support frame 40.
- the traction device 702 can adjust the up and down movement of the magnetic block relative to the substrate to be vapor-deposited 60 as follows: all the magnetic blocks 701 can be first placed on the same horizontal surface, that is, the distances of all the magnetic blocks 701 to the substrate 60 to be vapor-deposited are equal; The magnetic field of each magnetic block 701 can be measured by a magnetometer to obtain an initial magnetic field size distribution; and the magnetic value larger than the reference value or smaller than the reference value is respectively adjusted according to the measured value of the measured magnetic field size and the set reference value.
- the distance of the block 701 from the substrate 60 to be vapor-deposited if the measured result is less than the reference value, the distance between the magnetic block 701 and the substrate 60 to be vapor-deposited can be reduced, and if the measured result is greater than the reference value, the adjustment can be adjusted.
- the distance from the magnet block 701 to the substrate 60 to be vapor-deposited is large.
- the reference value set above is generally an empirical value, or may be determined based on the vapor deposition result.
- all of the magnetic blocks 701 are equal in size.
- the adsorption device 70 includes a plurality of magnetic blocks 701 and a traction device 702.
- the traction device 702 includes a plurality of adjustment bars 702a disposed above the magnetic block 701 and corresponding to the magnetic block 701, for driving the magnetic block 701 to move up and down.
- the specific manner of the pulling device 702 to move the magnetic block 701 by the adjusting rod 702a is as follows: the lengths of the plurality of adjusting rods 702a are preferably the same, and the initial state of the plurality of adjusting rods 702a may be set at the same height. And all the magnetic blocks 701 connected to the plurality of adjustment bars 702a are also at the same height, so that the initial measurement can be obtained according to the measurement.
- the initial magnetic field size distribution selectively adjusts the height of the magnetic block 701 whose magnetic field is higher or lower than the reference value by the corresponding adjustment rod 701, and the height of the magnetic block 701 equal to the reference value does not need to be adjusted.
- the number of the magnetic blocks 701 is 135 in 27 rows and 5 columns.
- the magnetic field sizes of the magnetic blocks 701 of the first 10 rows measured by the magnetometer are as follows:
- the height of each of the magnetic blocks 701 greater than 80T and less than 80T or the distance from the substrate 60 to be vapor-deposited can be adjusted by the adjustment rod 701 to make all the magnetic blocks
- the magnetic field size tends to 80T.
- the traction device 702 can also include a controller that controls the movement of either of the adjustment bars 702a up and down. That is, the external force applied to the adjusting rod 702a by the controller can drive the adjusting rod 702a to move up and down relative to the substrate to be vapor-deposited 60, thereby achieving the purpose of moving the magnetic block 701 connected to the adjusting rod 702a.
- FIG. 3 is a block diagram showing the structure of the adjustment bar 702a connected to the magnetic block 701 according to an embodiment of the present invention.
- the adjustment rod 702a and the magnetic block 701 can be connected by screwing.
- the surface of the adjusting rod 702a has a thread
- the magnetic block 701 has a screw hole with respect to the surface of the adjusting rod 702a, and the screw hole matches the thread of the surface of the adjusting rod 702a.
- the two can form a screw joint.
- they can also be connected in any other suitable way, such as snap-fit connections, bonding, and the like.
- the adjusting rod 702a can be easily connected to the corresponding magnetic block 701 by rotating each of the adjusting rods 702a.
- each adjusting rod 702a can be controlled to rotate the same number of turns, so that each of the magnetic blocks 701 can also be at the same height, on the basis of which When the height of a certain magnetic block 701 is adjusted, the adjustment rod 702a may be directly raised or lowered by a certain height.
- FIG. 4 shows a schematic structural view of a traction device 702 in accordance with another embodiment of the present invention.
- the traction device 702 shown in Figure 4 also includes a fixed plate 702b for securing the adjustment rod 702a.
- the fixing plate 702b has a number of through holes 702b1 corresponding to the adjusting bars 702a, and the surface of the through holes 702b1 has two opposite grooves (not shown); the adjusting bar 702a can pass through the through holes 702b1.
- the surface of the adjustment rod 702a has a plurality of pairs of elastic protrusions 702a1, each pair of protrusions 702a1 matching the grooves on the surface of the through hole 702b1.
- the protrusion 702a1 is elastic, when the adjustment rod 702a is pushed and pulled by an external force, the pair of protrusions 702a1 originally located in the groove can move upward or downward relative to the groove as the external force acts. When the adjustment rod 702a is moved to a certain position, the position of the adjustment rod 702a at this time can be fixed by the other pair of projections 702a1 at the same position as the groove.
- a part of the elastic protrusion 702a1 here may be embedded in the adjusting rod 702a, and when the external force is pressed, the elastic protrusion 702a1 may be squeezed into the adjusting rod 702a, thereby ensuring that the adjusting rod 702a can be opposite The through hole 702b1 of the fixed plate 702b moves.
- Fig. 5 is a view showing the configuration of an evaporation apparatus 01 according to a second embodiment of the present invention.
- the vapor deposition apparatus 01 shown in Fig. 5 is similar to the vapor deposition apparatus 01 shown in Fig. 1, except that the vapor deposition apparatus 01 shown in Fig. 5 includes a fixing plate 702b as shown in Fig. 4, which is fixed by The lifting mechanism 703 of the upper surface of the vapor deposition chamber 10 is connected, and the lifting mechanism 703 is used to drive the fixing plate 702b to move up and down. Therefore, the fixing plate 702b can be driven by the lifting mechanism 703 in a proper position to connect with the adjusting rod 702a fixed on the fixing plate 702b. All of the magnetic blocks 701 that are connected are in an appropriate initial position. On this basis, the height of the magnet block 701 is adjusted by adjusting the height of the adjustment rod 702a.
- Fig. 6 is a view showing the configuration of a vapor deposition apparatus 01 according to a third embodiment of the present invention.
- the vapor deposition apparatus 01 shown in FIG. 6 further includes a telescopic support frame 80 disposed on the sidewall of the vapor deposition chamber 10, and the telescopic support frame 80 can be along the sidewall of the vertical vapor deposition chamber 10. The direction is flexible.
- the separated or replaced magnet block 701 can be carried by controlling the telescopic support frame 80 to extend to reach the corresponding position. Then, the opening 801 at the position where the telescopic support frame 80 is in contact with the vapor deposition chamber 10 can be disposed, so that the separated or replaced magnetic block 701 can be transported out of the evaporation chamber through the opening 801 by controlling the contraction of the telescopic support frame 80. Room 10.
- the opening 801 can be opened and closed by a shutter.
- Fig. 7 is a view showing the configuration of an evaporation apparatus 01 according to a fourth embodiment of the present invention.
- the vapor deposition apparatus 01 shown in FIG. 7 further includes a driving device 90 disposed outside the vapor deposition chamber 10 and connected to the telescopic support frame 80, and the driving device 90 is used to control the telescopic support frame 80. Telescopic.
- FIG. 8 shows a schematic structural view of an adsorption device 70 according to another embodiment of the present invention. Similar to FIG. 2, the adsorption device shown in FIG. 8 also includes a traction device 702 and a magnetic block 701. In addition, the adsorption device 70 shown in FIG. 8 further includes a magnet block support plate 100 for carrying the magnet block 701, wherein the magnet block support plate 100 includes a plurality of movable blocks 100a, and the surface area of any of the movable blocks 100a is larger than the movable block. The surface area of the magnetic block 701 carried.
- the traction device 702 can pull any one of the movable blocks 100a to move up and down relative to the substrate to be vapor-deposited 60, so that the magnetic block 701 carried by the movable block 100a moves up and down relative to the substrate 60 to be vapor-deposited.
- the initial magnetic field size distribution is obtained by measuring the magnitude of the magnetic field of all the magnetic blocks 701 in this state, and then the control of each movable block 100a by the pulling device 702 is selectively selected.
- the height of the magnetic block 701 above or below the reference value is adjusted, and the height of the magnetic block 701 equal to the reference value does not need to be adjusted.
- the traction device 702 may include a traction bar 702c disposed at four corners of each of the movable blocks 100a for driving the movable block 100a to move up and down.
- the evaporation apparatus 01 may further include a control device (not shown) coupled to the drawbar 702c to control the movement of the drawbar 702c.
- a control device (not shown) coupled to the drawbar 702c to control the movement of the drawbar 702c.
- the magnetic block 701 can be moved up and down by the movement of the movable block 100a.
- the adsorption device 70 in the embodiment shown in FIG. 8 is changed to one by adding the magnet block support plate 100, the movable block 100a, and an adjustment bar 702b corresponding to one magnetic block.
- the magnetic block corresponds to the four traction bars 702c, so that the process of moving the magnetic block up and down by the traction device 702 is more stable and more accurate.
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Abstract
Description
Claims (11)
- 一种蒸镀装置,包括蒸镀腔室、设置于蒸镀腔室内的蒸镀源、掩模板支撑架和基板支撑架,其中所述掩模板支撑架用于承载金属掩模板,所述基板支撑架用于承载待蒸镀基板,且所述金属掩模板设置于所述蒸镀源和所述待蒸镀基板之间,其特征在于,所述蒸镀装置还包括设置于所述蒸镀腔室内的吸附装置,所述吸附装置包括:设置于所述待蒸镀基板远离所述金属掩模板一侧的多个呈矩阵排列的磁块,以及用于调节每个所述磁块相对所述待蒸镀基板上下移动的牵引装置。
- 根据权利要求1所述的蒸镀装置,其特征在于,所述牵引装置包括设置于所述磁块上方且与所述磁块一一对应的多个调节棒,其用于带动所述磁块上下移动。
- 根据权利要求2所述的蒸镀装置,其特征在于,各个调节棒与对应的磁块通过螺纹或卡扣连接方式进行连接。
- 根据权利要求2所述的蒸镀装置,其特征在于,所述牵引装置还包括用于固定所述调节棒的固定板,其中所述固定板具有与所述调节棒对应个数的贯穿孔以供调节棒贯穿且所述贯穿孔的表面具有两个相对的凹槽;并且所述调节棒的表面具有多对弹性凸起,每对凸起与位于所述贯穿孔表面的所述凹槽相匹配以用于在调节棒贯穿固定板的贯穿孔时将该调节棒固定住。
- 根据权利要求4所述的蒸镀装置,其特征在于,所述吸附装置还包括固定在所述蒸镀腔室上底面的升降机构,其用于通过与所述固定板连接带动所述固定板上下移动。
- 根据权利要求2所述的蒸镀装置,其特征在于,所述牵引装置还包括控制所述调节棒上下移动的控制器。
- 根据权利要求2至6任一项所述的蒸镀装置,其特征在于,所述蒸镀装置还包括:设置于所述蒸镀腔室侧壁上的伸缩支撑架和设置在伸缩支撑架与蒸镀腔室接触位置处的开口,其中所述伸缩支撑架沿垂直所述蒸镀腔室侧壁的方向可伸缩并且用于通过伸展承载分离或替换下来的磁块并通过收缩将所述分离或替换下来的磁块经开口运送出蒸镀腔室。
- 根据权利要求7所述的蒸镀装置,其特征在于,所述蒸镀装置还包括设置于所述蒸镀腔室外侧且与所述伸缩支撑架相连的驱动装置,所述驱动装置用于控制所述伸缩支撑架的伸缩。
- 根据权利要求1所述的蒸镀装置,其特征在于,所述吸附装置还包括用于承载所述磁块的磁块支撑板,所述磁块支撑板包括多个活动块,其中任一个活动块的表面积大于与该活动块承载的磁块的表面积,并且所述牵引装置用于通过牵引所述活动块上下移动来调节该活动块所承载的磁块相对所述待蒸镀基板上下移动。
- 根据权利要求9所述的蒸镀装置,其特征在于,所述牵引装置包括设置于每个所述活动块四个角的牵引棒,用于带动所述活动块上下移动。
- 根据权利要求1的蒸镀装置中的吸附装置的工作方法,该方法包括以下步骤:利用牵引装置将吸附装置中的所有磁块置于同一个水平面上,即所有磁块到待蒸镀基板的距离相等;通过磁力计测量每个磁块的磁场大小,得到初始磁场大小分布;根据磁力计测得的结果和设定的基准值,利用牵引装置分别调整大于基准值或小于基准值的磁块到待蒸镀基板的距离,以使得所有磁块的磁场都趋于基准值。
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