WO2015109547A1 - 一种用于制造oled显示屏的封装装置及方法 - Google Patents
一种用于制造oled显示屏的封装装置及方法 Download PDFInfo
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- WO2015109547A1 WO2015109547A1 PCT/CN2014/071428 CN2014071428W WO2015109547A1 WO 2015109547 A1 WO2015109547 A1 WO 2015109547A1 CN 2014071428 W CN2014071428 W CN 2014071428W WO 2015109547 A1 WO2015109547 A1 WO 2015109547A1
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- WIPO (PCT)
- Prior art keywords
- filling
- cover
- transition
- cavity
- oled display
- Prior art date
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 34
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims description 17
- 230000007704 transition Effects 0.000 claims abstract description 93
- 238000002955 isolation Methods 0.000 claims abstract description 46
- 239000001301 oxygen Substances 0.000 claims abstract description 31
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 31
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 17
- 239000011261 inert gas Substances 0.000 claims description 18
- 239000003292 glue Substances 0.000 claims description 14
- 230000001681 protective effect Effects 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 9
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000005429 filling process Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000005693 optoelectronics Effects 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67126—Apparatus for sealing, encapsulating, glassing, decapsulating or the like
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/844—Encapsulations
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
- H10K59/87—Passivation; Containers; Encapsulations
- H10K59/873—Encapsulations
-
- 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
Definitions
- the present invention relates to a packaging device and method for a liquid crystal display, and more particularly to a packaging device and method for manufacturing an OLED display.
- the special optoelectronic properties of OLED materials need to be maintained in a lower water oxygen environment, especially in the coating and coating process of the package, such as filling the cavity machine for step casting and glue filling process, it needs to be strict Under the water and oxygen environment (generally below 10PPM), the machine can not open the chamber frequently. First, it is difficult to recover from the water and oxygen environment. Second, it will cause waste of the filling material. Third, it consumes protective gas. Therefore, It is necessary to carry out the cooperation of the glove box and the transition chamber in the case of opening the cavity.
- the transition chamber is a transition chamber that connects the filling chamber to the atmospheric environment. It is used to pick up and place the rubber and other items without opening the filling chamber. It needs to be completed with the glove box. However, because the line of sight in the filling chamber is easily blocked, the operation of the glove box is not dexterous, and it is often prone to misoperation such as the glue material and the like being caught by the isolation cover of the transition chamber. Once this condition occurs, it is necessary to open the cavity check. However, due to the continuous pumping of the transition chamber, the negative pressure in the filling chamber causes the machine to crash, which affects the development and production progress. Therefore, it is necessary to improve the structural components of the transition chamber.
- the main object of the present invention is to provide an OLED display for effectively reducing water oxygen value, avoiding interference to the filling cavity due to misoperation of the transition cavity, and improving filling precision and efficiency of the glue material.
- Screen packaging device and method is to provide an OLED display for effectively reducing water oxygen value, avoiding interference to the filling cavity due to misoperation of the transition cavity, and improving filling precision and efficiency of the glue material.
- the invention provides a packaging device for manufacturing an OLED display screen, which comprises a filling cavity, a transition cavity and a glove box.
- the glove box is built in a filling cavity, filled with an OLED glue, and built in the transition cavity for filling glue a rubber hose, the transition chamber and the filling chamber are separated by an isolation cover, wherein a safety cover is added in the transition cavity, the safety cover is located under the isolation cover, and the filling hose is placed in safety Inside the transition chamber under the protective cover.
- the distance between the safety cover and the isolation cover is 4-8 cm.
- a touch sensor is disposed on the safety cover for determining whether the safety cover is tightly closed; a plurality of pressure sensors and a water oxygen sensor are disposed on the inner wall of the transition cavity and the filling cavity for measuring the transition cavity and filling The pressure value of the cavity and the water oxygen value determine whether the safety cover can be opened according to the pressure difference between the two chambers and the difference in water and oxygen.
- the side wall of the transition chamber is provided with a boss, and the safety cover is placed on the boss. The safety cover is supported by the boss so that it can be opened and closed smoothly.
- a communication tube is disposed between the transition chamber and the filling chamber, and a sidewall of the transition chamber is provided with a vacuum valve and an inlet and outlet valve, and the chamber of the transition chamber and the filling chamber is evacuated through the vacuum valve.
- An inert gas is charged through the inlet and outlet valves.
- the invention also provides a packaging method for manufacturing an OLED display screen, comprising the following steps:
- Step 1) Open the outer cover of the transition chamber, take out the hose to be replaced, place the new hose into the transition chamber, and close the safety cover and isolation cover of the transition chamber;
- Step 2) Vacuuming the transition chamber and the filling chamber by a vacuum valve, and then filling the transition chamber with an inert gas through the inlet and outlet valves, and the inert gas is charged into the filling chamber through the communication tube, and the pressure difference between the transition chamber and the filling chamber If the difference between water and oxygen is less than 10ppm, the safety cover and the isolation cover are opened, and the glove box is replenished with rubber through the hose; Step 3) After filling, close the isolation cover and safety cover, and fill the rubber to manufacture OLED Display.
- the packaging device for manufacturing an OLED display screen adds a safety protection cover in the filling cavity, and the filling rubber pipe is built in between the safety protection cover and the outer cover, and the safety protection cover and the isolation cover are With a certain distance between each other, the position of the filling hose is sensed by the touch sensor of the safety cover. If the filling hose is clamped by the safety cover, the position of the filling hose is re-adjusted by the alarm prompt, so that the filling of the rubber can be avoided. If it is not properly placed, it is caught by the isolation cover, causing the phenomenon that the filling cavity is not tightly closed, and the safety protection cover has double protection.
- the isolation cover When the filler is replaced, it is sandwiched by the isolation cover, effectively preventing the isolation cover. If the shutdown is not strict, the phenomenon of continuous vacuuming, alarm, air leakage, water vapor and oxygen increase will be avoided, and the pollution caused by the water and oxygen value will be avoided, and the water oxygen value environment in the filling chamber can be effectively controlled. It has a certain protective effect on the filled rubber and internal precision equipment.
- FIG. 1 is a schematic structural view of a packaging device for manufacturing an OLED display panel according to the present invention
- FIG. 2 is a schematic view of a security cover for a package device for manufacturing an OLED display panel of the present invention.
- the OLED display Since the special optoelectronic properties of OLED materials need to be maintained in a low water oxygen environment, especially in the coating and coating process of the package, such as the multi-chamber dispenser machine, the OLED display is stepped and In the process of filling the rubber material, the requirement for the water and oxygen environment is higher, and it needs to be controlled below 10 ppm.
- the present invention has been applied to the packaging device for manufacturing the OLED display. The improvement provides a packaging device that prevents the isolation cover from being properly opened and closed to cause a decrease in water oxygen value.
- a packaging device for manufacturing an OLED display screen includes a transition chamber 1 , a filling chamber 2 and a glove box 3 .
- the glove box 3 is built in the filling chamber 2 and passes through the transition chamber 1 .
- An OLED glue is blown into the glove box 3.
- a filling rubber tube 10 is built in the transition chamber 1 , and the transition chamber 1 and the filling chamber 2 are separated by a separating cover 12 , and a safety protective cover 14 is added in the transition chamber 1 , and the safety protective cover 14 is located in the isolation Below the cover 12, the filling hose 10 is placed in the transition chamber 1 below the safety shield 14.
- the transition chamber 1 is a closable cavity having an isolation cover 12, a safety cover 14 and an outer cover 16, and the isolation cover 12 is disposed between the transition chamber 1 and the filling chamber 2 for the transition chamber 1 and the filling chamber 2 are isolated from each other, and the water oxygen environment in the filling chamber 2 is controlled to prevent the outside air from entering the filling chamber 2.
- the safety cover 14 is disposed under the isolation cover 12 and disposed in the transition chamber 1 and parallel to the safety cover 14 and has a width corresponding to the width of the isolation cover 12, and a gap is provided between the isolation cover 12 and the isolation cover 12.
- the distance between the safety cover 14 and the isolation cover 12 is 4-8 cm. In the embodiment, the gap is 5 cm.
- the outer cover 16 is disposed on the opposite side of the isolation cover 12.
- the filling hose 10 is placed between the safety cover 14 and the outer cover 16, that is, placed in the transition chamber 1 under the safety cover 14, to prevent the isolation cover 12 from being caught when the isolation cover 12 is closed. Alarm, even downtime.
- a touch sensor 140 is disposed on the safety cover 14 and is disposed under the two sides of the safety cover 14 .
- the safety cover 14 When the safety cover 14 is closed, if it is clamped with the rubber hose 10 or other items, it is safe. The protective cover 14 cannot be closed. At this time, the touch sensor 140 drives the alarm device to alert the operator that the safety cover 14 is not closed, and the position of the filling hose 10 is readjusted, and the safety cover 14 is closed again.
- the side wall 102 of the transition chamber 1 is provided with a boss 102a, and the safety cover 14 is laid flat on the boss 102a.
- the safety cover 14 is supported and supported by the boss 102a.
- a communication tube 40 is provided between the transition chamber 1 and the filling chamber 2, and gas communication is realized through the communication tube 40, and the transition chamber 1 can be introduced into the filling chamber 2.
- the side wall of the transition chamber 1 is provided with an evacuation valve 42 and an inlet and outlet valve 44.
- the chambers of the transition chamber 1 and the filling chamber 2 are evacuated through the vacuum valve 42, and the inert gas is introduced through the inlet and outlet valve 44. Fill it in.
- the inert gas is preferably a mixture of nitrogen and hydrogen, wherein the mixed gas contains 5% of nitrogen and 95% of hydrogen.
- a plurality of pressure sensors and a water-oxygen sensor are disposed on the inner wall of the transition chamber 1 and the filling chamber 2, and the gas pressure value in the chamber is measured in a multi-directional manner by the pressure sensor, and the water oxygen value in the chamber is measured in multiple directions by the water-oxygen sensor.
- the isolation cover 12 between the transition chamber 1 and the filling chamber 2 can be opened, two chambers.
- the filling hose 10 can be inserted into the glove box 3 to fill the rubber.
- the invention provides a packaging method for manufacturing an OLED display screen, which comprises the following steps:
- Step 1) Open the outer cover of the transition chamber, take out the hose to be replaced, place the new hose into the transition chamber, and close the safety cover and isolation cover of the transition chamber;
- Step 2) Vacuuming the transition chamber and the filling chamber by a vacuum valve, and then filling the transition gas with an inert gas through the inlet and outlet valves, and the inert gas is charged into the filling chamber through the communication tube, when the pressure difference between the transition chamber and the filling chamber is less than 3000pa, and When the difference of water and oxygen is less than 10 ppm, the safety cover and the isolation cover are opened, and the glove box is replenished with glue; when the safety cover is closed during closing, the touch sensor on the safety cover issues an alarm. ;
- Step 3 After filling, close the isolation cover and the safety cover, and fill the adhesive to make the OLED display.
- the outer cover of the transition chamber is opened, a new filling hose is placed, the outer cover is closed, the transition chamber is evacuated by a vacuum valve, and the air in the cavity is filled through the connecting tube.
- the transition chamber and the filling chamber are both in a vacuum state; then, an inert gas is blown into the transition chamber through the inlet and outlet valves, and the inert gas is introduced into the filling chamber through the communication tube, so that the transition chamber and the filling chamber are filled with an inert gas;
- the secondary vacuum and the filling operation of the inert gas control the water oxygen value in the two chambers.
- the safety cover and the isolation cover are activated, and the filling material is introduced into the glove box to replenish the glue.
- the filler such as the filling hose or the non-woven fabric during the replacement process due to the mis-clamping of the isolation cover.
- the replacement and position adjustment of the consumables in the transition chamber will not affect the environment of the filling chamber, reduce the number of cavities in the filling chamber, effectively reduce the loss of inert gas, and the precision instruments in the filled rubber and glove box. Play a certain protective role.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
- Packages (AREA)
Abstract
一种用于制造OLED显示屏的封装装置，包括填充腔（2）、过渡腔（1）和手套箱（3），所述手套箱（3）内置于填充腔（2）中，填充OLED胶材，在过渡腔（1）中内置用于填充胶材的胶管（10），所述过渡腔（1）和填充腔（2）之间通过隔离盖（12）相阻隔，其中，在过渡腔（1）内增设有安全防护盖（14），所述安全防护盖（14）位于所述隔离盖（12）下方，所述胶管（10）置于安全防护盖（14）下的过渡腔（1）内。所述封装装置增设安全防护盖（14），将胶管（10）内置于安全防护盖（14）与外盖（16）之间，安全防护盖（14）与隔离盖（12）之间具有一定间距，通过安全防护盖（14）的触碰传感器（140）对胶管（10）的位置进行感测，若胶管（10）被安全防护盖（14）夹住时，通过报警提示重新调整胶管（10）的位置，安全防护盖（14）起到双重防护，有效防止隔离盖（12）关闭不严现象，避免因水氧值过高而对填充胶材造成的污染。
Description
一种用于制造 0LED显示屏的封装装置和方法 技术领域
本发明涉及一种液晶显示屏的封装装置和方法， 尤其是指一种用于制造 0LED显示屏的 封装装置和方法。
背景技术
近些年， 0LED技术发展迅猛， 大有取代传统 LCD之势， 大量科研人员围绕 0LED相关 技术进行研发， 而作为 OLED技术关键技术之一的封装技术也成为研究热点之一。
因为 0LED材料的特殊光电性能需要在维持在较低水氧环境之下， 尤其在封装的涂布贴 合工艺环节， 如填充腔机台进行台阶铸型和胶材填充过程中， 需要在严格的水氧环境下进行 (一般在 10PPM以下）， 而机台不能经常开腔作业， 一是破坏了水氧环境不易恢复， 二是会 造成填充材料的浪费， 三是耗费了保护气体， 因此， 在不开腔情况下而进行手套箱和过渡腔 的配合操作显得十分必要。
过渡腔是连接填充腔与大气环境的过渡腔， 在不需要开启填充腔的条件下， 用来进行胶 材等物品的取放操作， 需配合手套箱完成。 但因填充腔内视线容易被阻挡， 手套箱操作也不 够灵巧， 常易于发生胶材等物品被过渡腔的隔离盖夹住等误操作。 一旦发生该状况， 轻则需 开腔检查， 重则因过渡腔不断抽气致使填充腔内出现负压而导致宕机， 从而影响研发及生产 进度。 因此， 对过渡腔的结构配件进行改进显得极为必要。
发明内容
基于现有技术的不足， 本发明的主要目的在于提供一种可有效降低水氧值、 避免因过渡 腔的误操作对填充腔的干扰， 提高胶材的填充精度和效率的用于制造 OLED显示屏的封装装 置和方法。
本发明提供了一种用于制造 OLED显示屏的封装装置， 包括填充腔、 过渡腔和手套箱， 所述手套箱内置于填充腔中， 填充 OLED胶材， 在过渡腔中内置用于填充胶材的胶管， 所述 过渡腔和填充腔之间通过隔离盖相阻隔， 其中， 在过渡腔内增设有安全防护盖， 所述安全防 护盖位于所述隔离盖下方， 所述填充胶管置于安全防护盖下的过渡腔内。
优选地， 所述安全防护盖与隔离盖之间的间距为 4-8cm。 在所述安全防护盖上设有触碰 传感器， 用于测定安全防护盖的关闭是否紧密； 在过渡腔和填充腔内壁上布设有若干个压力 传感器和水氧传感器， 用于测定过渡腔和填充腔的压力值和水氧值， 根据两腔之间的压力差 值和水氧差值来判定安全防护盖是否可开启。
优选地， 所述过渡腔的侧壁设有凸台， 所述安全防护盖置放于凸台上。 通过凸台支撑安 全防护盖， 使其可顺畅地开启和关闭。
优选地， 在过渡腔和填充腔之间设有连通管， 所述过渡腔的侧壁设有抽真空阀门和进出 气阀门， 通过抽真空阀门对过渡腔和填充腔的腔室进行抽真空， 通过进出气阀门将惰性气体 充入其中。
本发明还提供了一种用于制造 OLED显示屏的封装方法， 其包括以下步骤：
步骤 1 ) 打开过渡腔的外盖， 将待更换的胶管取出， 将新胶管置入过渡腔中， 关闭过渡 腔的安全防护盖和隔离盖；
步骤 2) 通过抽真空阀门对过渡腔和填充腔抽真空， 然后通过进出气阀门向过渡腔充入 惰性气体， 惰性气体通过连通管充入填充腔中， 当过渡腔和填充腔中的压力差小于 3000pa， 且水氧差值小于 lOppm时， 则开启安全防护盖和隔离盖， 通过胶管向手套箱补充胶材； 步骤 3 ) 填充完毕后， 关闭隔离盖和安全防护盖， 填充胶材制造 OLED显示屏。
与现有技术相比， 本发明一种用于制造 OLED显示屏的封装装置在填充腔内增设安全防 护盖， 将填充胶管内置于安全防护盖与外盖之间， 安全防护盖与隔离盖之间具有一定间距， 通过安全防护盖的触碰传感器对填充胶管的位置进行感测，若填充胶管被安全防护盖夹住时， 通过报警提示重新调整填充胶管的位置， 这样， 可避免填充胶管摆放不正， 而被隔离盖所夹 住， 造成填充腔关闭不严而产生的宕机等现象， 安全防护盖起到双重防护， 防止更换填充胶 管时， 其被隔离盖所夹， 有效防止隔离盖关闭不严而产生持续抽真空、 报警、 漏气、 水气和 氧气增加等现象， 避免因水氧值过高而对填充胶材造成的污染， 有效地控制填充腔中的水氧 值环境， 对所填充的胶材和内部精密设备起到一定的保护作用。
附图说明
图 1为本发明一种用于制造 OLED显示屏的封装装置的结构示意图；
图 2为本发明一种用于制造 OLED显示屏的封装装置的安全防护盖的示意图。
具体实施方式
由于 OLED材料的特殊光电性能需要维持在较低的水氧环境下， 尤其在封装的涂布贴合 工艺环节时， 如采用多腔室分注器的机台对 OLED显示屏进行台阶铸型和胶材填充过程中， 对水氧环境的要求精度更高， 需要控制在 lOppm以下， 为了控制 OLED显示屏制造时的水氧 值， 提高工艺精度， 本发明对制造 OLED显示屏的封装装置进行了改良， 提供了一种可防止 隔离盖不能正常开合而造成水氧值降低的封装装置。
参照图 1所示， 本发明一种用于制造 OLED显示屏的封装装置， 包括过渡腔 1、 填充腔 2 和手套箱 3， 所述手套箱 3内置于填充腔 2中， 通过过渡腔 1向手套箱 3中鼓入 OLED胶材。
在过渡腔 1中内置填充胶管 10， 所述过渡腔 1和填充腔 2之间通过隔离盖 12相阻隔， 在过 渡腔 1中增设有安全防护盖 14， 所述安全防护盖 14位于所述隔离盖 12下方， 所述填充胶管 10置于安全防护盖 14下的过渡腔 1内。
其中， 过渡腔 1为一个可闭合的腔体， 其具有隔离盖 12、 安全防护盖 14和外盖 16， 所 述隔离盖 12设于过渡腔 1和填充腔 2之间， 用于将过渡腔 1和填充腔 2之间相互隔离， 控制 填充腔 2中的水氧环境， 避免外部空气进入对填充腔 2造成干扰。安全防护盖 14设置于隔离 盖 12的下方， 置于过渡腔 1之中， 与安全防护盖 14相互平行， 其宽度与隔离盖 12的宽度相 当， 其与隔离盖 12之间设有一定的间隙， 优选地， 所述安全防护盖 14与隔离盖 12之间的间 距为 4-8cm， 在本实施例中， 所述间隙为 5cm。 所述外盖 16设于隔离盖 12相对的另一侧。 所述填充胶管 10置于安全防护盖 14与外盖 16之间，即置于安全防护盖 14下的过渡腔 1内， 以防止在关闭隔离盖 12时， 被隔离盖 12所夹住而造成报警， 甚至宕机的状况。
在所述安全防护盖 14上设有触碰传感器 140， 其设于安全防护盖 14的两侧下方， 当安全 防护盖 14在关闭过程中， 若其夹住填充胶管 10或其他物品时， 安全防护盖 14无法紧闭， 这 时触碰传感器 140驱动报警装置报警， 以向操作人员提示安全防护盖 14未紧闭， 并重新调整 填充胶管 10的位置， 将安全防护盖 14重新关闭。
参照图 2所示， 所述过渡腔 1的侧壁 102设有凸台 102a， 所述安全防护盖 14平放于凸 台 102a上。 通过凸台 102a支撑和托起安全防护盖 14。 在过渡腔 1和填充腔 2之间设有连通 管 40， 通过连通管 40实现气体流通， 可将过渡腔 1导入填充腔 2中。 另外， 所述过渡腔 1 的侧壁设有抽真空阀门 42和进出气阀门 44， 通过抽真空阀门 42对过渡腔 1和填充腔 2的腔 室进行抽真空， 通过进出气阀门 44将惰性气体充入其中。所述惰性气体优选为氮气和氢气的 混合气， 其中， 混合气中含有 5%的氮气和 95%的氢气。
在过渡腔 1和填充腔 2内壁上布设有若干个压力传感器和水氧传感器， 通过压力传感器 多方位地测定腔室内的气体压力值， 通过水氧传感器多方位地测定腔室内的水氧值。 在本发 明中， 当过渡腔 1和填充腔 2之间的压力差小于 3000pa， 且水氧差值小于 lOppm时， 过渡腔 1和填充腔 2之间的隔离盖 12可打开相通， 两个腔室之间的压力条件和水氧值相当时， 填充 胶管 10可伸入手套箱 3中进行胶材填充。
本发明提供了一种用于制造 OLED显示屏的封装方法， 其包括以下步骤：
步骤 1 ) 打开过渡腔的外盖， 将待更换的胶管取出， 将新胶管置入过渡腔中， 关闭过渡 腔的安全防护盖和隔离盖；
步骤 2) 通过抽真空阀门对过渡腔和填充腔抽真空， 然后通过进出气阀门向过渡充入惰 性气体， 惰性气体通过连通管充入填充腔中， 当过渡腔和填充腔中的压力差小于 3000pa， 且
水氧差值小于 lOppm时， 则开启安全防护盖和隔离盖， 通过胶管向手套箱补充胶材； 当安全 防护盖关闭过程中未能合拢闭合时， 则安全防护盖上的触碰传感器发出警报；
步骤 3 ) 填充完毕后， 关闭隔离盖和安全防护盖， 填充胶材制造 OLED显示屏。
在 OLED胶材填充过程中， 首先， 将过渡腔的外盖开启， 放入新的填充胶管， 关闭外盖， 通过抽真空阀门对过渡腔抽真空处理， 通过连通管填充腔中的空气导出， 使得过渡腔和填充 腔都处于真空状态； 然后， 通过进出气阀门向过渡腔鼓入惰性气体， 惰性气体通过连通管导 入填充腔中， 使得过渡腔和填充腔中均充满了惰性气体； 经过多次抽真空和惰性气体的充入 操作， 控制两腔室内的水氧值。 当两腔室之间的压力差值和水氧差值小于一定值时， 启动安 全防护盖和隔离盖， 将填充胶材引入手套箱中， 对胶材进行补充。 这样， 既可避免填充胶管 或无纺布等耗材在更换过程中， 因隔离盖的误夹而造成漏气等现象。 在过渡腔中的耗材的更 换和位置调整， 不会对填充腔的环境造成影响， 减少填充腔的开腔次数， 有效地减少惰性气 体的损耗， 对所填充的胶材和手套箱中的精密仪器起到一定的保护作用。
Claims
1、 一种用于制造 OLED显示屏的封装装置， 包括填充腔、 过渡腔和手套箱， 所述手套箱内置 于填充腔中， 填充 OLED胶材， 在过渡腔中内置用于填充胶材的胶管， 所述过渡腔和填充
腔之间通过隔离盖相阻隔， 其中： 在过渡腔内增设有安全防护盖， 所述安全防护盖位于所述 隔离盖下方， 所述填充胶管置于安全防护盖下的过渡腔内。
、 根据权利要求 11所述的用于制造 OLED显示屏的封装装置， 其中： 在所述安全防护盖上设 有触碰传感器。
、 根据权利要求 12所述的用于制造 OLED显示屏的封装装置， 其中： 所述过渡腔的侧壁设有 凸台， 所述安全防护盖置放于凸台上。
、 根据权利要求 11所述的用于制造 OLED显示屏的封装装置， 其中： 所述安全防护盖与隔离 盖之间的间距为 4-8cm。
、 根据权利要求 12所述的用于制造 OLED显示屏的封装装置， 其中： 在过渡腔和填充腔之间 设有连通管。
、 根据权利要求 15所述的用于制造 OLED显示屏的封装装置， 其中： 所述过渡腔的侧壁设有 抽真空阀门和进出气阀门，通过抽真空阀门对过渡腔和填充腔进行抽真空，通过进出气阀门 将惰性气体充入其中。
、 根据权利要求 11所述的用于制造 OLED显示屏的封装装置， 其中： 在过渡腔和填充腔内壁 上布设有若干个压力传感器和水氧传感器。
、 一种用于制造 OLED显示屏的封装方法， 其中包括以下步骤：
步骤 1 ) 打开过渡腔的外盖， 将待更换的胶管取出， 将新胶管置入过渡腔中， 关闭过渡腔的 安全防护盖和隔离盖；
步骤 2) 通过抽真空阀门对过渡腔和填充腔抽真空， 然后通过进出气阀门向过渡腔充入惰性 气体，惰性气体通过连通管充入填充腔中，当过渡腔和填充腔中的压力差小于设定压力值时， 且水氧差值小于设定水氧值时， 则开启安全防护盖和隔离盖， 通过胶管向手套箱补充胶材； 步骤 3 ) 填充完毕后， 关闭隔离盖和安全防护盖， 填充胶材制造 OLED显示屏。
、 根据权利要求 18所述的用于制造 OLED显示屏的封装方法， 其中： 设定压力值为 3000pa; 设定水氧值为 10ppm。
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