CN117729795A - Packaging drainage vapor device, packaging method of display panel and display device - Google Patents

Abstract

The application discloses a packaging drainage vapor device, a display panel and a packaging method of the display panel, and relates to the technical field of display, wherein the display panel comprises a substrate, a pixel module and a cover plate, the pixel module is arranged on the substrate, the cover plate is arranged on one side, far away from the substrate, of the pixel module, a packaging drainage device is arranged on the side edge of the pixel module and is used for removing water vapor between the substrate and the cover plate, and after the water vapor is discharged, sealant is injected to seal two sides of the substrate and the cover plate so as to obtain the packaged display panel; through the design, the water vapor intrusion path is prolonged, and the packaging effect is improved.

Description

Packaging drainage vapor device, packaging method of display panel and display device

Technical Field

The application relates to the technical field of display, in particular to a packaging drainage vapor device, a packaging method of a display panel and a display device.

Background

An Organic Light-Emitting Diode (OLED) has characteristics of self-luminescence, high brightness, wide viewing angle, high contrast, flexibility, low energy consumption, etc., so OLED display technology is widely used in mobile phone screens, computer displays, full-color televisions, etc. The display area of the display panel of an OLED device generally includes: the display device comprises a substrate, an anode arranged on the substrate, a hole injection layer arranged on the anode, a hole transport layer arranged on the hole injection layer, a light-emitting layer arranged on the hole transport layer, an electron transport layer arranged on the light-emitting layer, an electron injection layer arranged on the electron transport layer and a plurality of sub-pixels formed by cathodes arranged on the electron injection layer. The light emitting principle of the OLED display panel is that a semiconductor material and an organic light emitting material emit light through carrier injection and recombination under the drive of an electric field.

The light-emitting layer material and the cathode material are sensitive to water and oxygen, and environmental impurities can affect the service life of the OLED device, so that the OLED device needs to be effectively sealed, especially in an environment with complicated air flow and water vapor working conditions, the packaging process of packaging material fluid is not well controlled in a vacuum state due to water vapor in air, and the problems of bubbles and the like can exist in a non-vacuum state. Therefore, the above problems are to be solved.

Disclosure of Invention

The application aims to provide a packaging drainage vapor device, a display panel and a packaging method of the display panel, wherein the packaging drainage vapor device is capable of prolonging a vapor intrusion path and improving a packaging effect.

The application discloses encapsulation drainage vapour device of display panel, display panel includes substrate, pixel module and apron, the pixel module sets up on the substrate, the apron sets up the pixel module is kept away from one side of substrate, the side of pixel module is provided with encapsulation drainage device, encapsulation drainage device is used for getting rid of substrate with steam between the apron, after steam is discharged, reinjection sealant seals substrate with the side of apron is in order to obtain the encapsulation to accomplish display panel.

Optionally, the packaging exhaust device comprises an air suction and exhaust device and a control mechanism, the air suction and exhaust device comprises a relay bin, an air inlet and an air outlet, the air inlet is arranged on one side of the relay bin, which is close to the pixel module, the air outlet is arranged on one side of the relay bin, which is far away from the air inlet, and the control mechanism is arranged on one side of the air suction and exhaust device and is in signal connection with the relay bin; when the air suction and exhaust device is in an air suction state, the control mechanism controls the relay bin to suck air from between the substrate base plate and the first cover plate through the air inlet; when the air suction and exhaust device is in an exhaust state, the control mechanism controls the relay bin to exhaust air with water vapor to the outer side of the air suction and exhaust device, which is far away from the display panel.

Optionally, the air suction and exhaust device includes a first matching switch and a second matching switch, a first flow channel and a second flow channel, the first matching switch is disposed on one side of the relay bin close to the pixel module, the first matching switch is communicated with the air inlet through the first flow channel, the second matching switch is disposed on one side of the relay bin away from the pixel module, and the second matching switch is communicated with the air outlet through the second flow channel; the control mechanism controls the relay bin to drive the first matched switch and the second matched switch to be opened or closed.

Optionally, the packaging and steam discharging device further comprises a fixed frame body, the fixed frame body comprises a first fixed frame body and a second fixed frame body, the first fixed frame body comprises a first fixed seat, a first frame body and a second fixed seat, the first frame body is arranged between the first fixed seat and the second fixed seat, one end of the first frame body is fixedly connected with the first fixed seat, and the other end of the first frame body is fixedly connected with the second fixed seat; the second fixed frame body comprises a third fixed seat, a second frame body and a fourth fixed seat, the second frame body is arranged between the third fixed seat and the fourth fixed seat, one end of the second frame body is fixedly connected with the third fixed seat, and the other end of the second frame body is fixedly connected with the fourth fixed seat; the first fixing seat and the third fixing seat are oppositely arranged to form an air suction channel, the second fixing seat and the fourth fixing seat are oppositely arranged to form an air discharge channel, and the first frame body and the second frame body are oppositely arranged to form a hollow placing cavity; the first matched switch, the relay bin and the second matched switch are arranged in the placing cavity, the first matched switch is matched and connected with the first fixed seat and the third fixed seat, and the air suction channel is communicated with the first flow channel through the first matched switch; the second matched switch is matched and connected with the second fixing seat and the fourth fixing seat, and the exhaust channel is communicated with the second flow channel through the second matched switch.

Optionally, the relay bin includes a first fixing frame, a second fixing frame, a first telescopic rod, a second telescopic rod, a third telescopic rod, a fourth telescopic rod, a telescopic rod connecting shaft, an electromagnet, a spring and a retraction structure, wherein the first fixing frame and the second fixing frame are oppositely arranged to form a hollow cavity, and the retraction structure is arranged in the cavity;

the retractable structure is a hollow sphere structure, the first telescopic rod, the second telescopic rod, the third telescopic rod and the fourth telescopic rod are arranged in the retractable structure in a cross shape, and the first telescopic rod, the second telescopic rod, the third telescopic rod and the fourth telescopic rod are respectively connected with the inner wall of the retractable structure;

the spring is arranged on the outer wall of the folding structure and surrounds the folding structure, the electromagnet is arranged on the outer wall of the folding structure, one end of the spring is connected with the S pole of the electromagnet, and the other end of the spring is connected with the N pole of the electromagnet;

the first matched switch is connected with the first fixing frame, the second fixing frame and the folding and pulling structure; the second matched switch is connected with the first fixing frame, the second fixing frame and the folding and pulling structure.

Optionally, the folding structure comprises a folding shell and a folding pull ring, the folding shell and the folding pull ring are both annular hollow structures, and the folding shell is sleeved outside the folding pull ring;

and one end of the first telescopic rod, one end of the second telescopic rod, one end of the third telescopic rod and one end of the fourth telescopic rod are connected with the inner wall of the folding and pulling shell.

Optionally, the first matching switch includes a first switch main body structure and a second switch main body structure, the second matching switch includes a third switch main body structure and a fourth switch main body structure, and the first switch main body structure is respectively connected with the first fixing seat and the first fixing frame in a sliding manner; the second switch main body structure is respectively connected with the third fixing seat and the second fixing frame part in a sliding way;

the third switch main body structure is respectively connected with the second fixing seat and the second fixing frame in a sliding way; the fourth switch main body structure is respectively connected with the fourth fixing seat and the second fixing frame in a sliding manner.

Optionally, the packaging drainage vapor device is in a cylindrical structure, a first fixed end is arranged on one side, close to the packaging drainage vapor device, of the substrate, a second fixed end is arranged on one side, close to the packaging drainage device, of the cover plate, an opening is formed between the first fixed end and the second fixed end, the packaging drainage vapor device is installed in the opening, the first fixed frame body is in butt joint with the first fixed end and is fixed, and the second fixed frame body is in butt joint with the second fixed end and is fixed;

The packaging drainage vapor device further comprises a first sealing part and a second sealing part, wherein the first sealing part is communicated with the second sealing part, the second fixing end comprises a fixing end body, a glue injection channel and a glue injection port, the glue injection port is arranged on one side, far away from the first sealing part, of the fixing end body, the glue injection channel penetrates through the fixing end body, and the glue injection port is communicated with the first sealing part through the glue injection channel.

The application also discloses a packaging method of the display panel, which adopts the packaging drainage vapor device as described above and comprises the following steps:

forming a pixel module on a substrate base plate;

forming an encapsulation layer on the pixel module;

covering a cover plate above the packaging layer;

mounting an encapsulation drainage vapor device to one side of the pixel module;

detecting by using a sensor;

if the sensor detects that water vapor exists between the substrate base plate and the cover plate, the driving module controls the pneumatic power bin to be opened for air suction, and the first matched switch is opened;

after the air suction is finished, the pneumatic power bin is opened to exhaust, the first matching switch is closed, and the second matching switch is opened;

After the exhaust is finished, when the sensor cannot detect water vapor, the first matched switch is permanently closed;

and injecting packaging glue from a glue injection port on the cover plate, and sealing the side edge of the display panel to obtain the packaged display panel.

The application also discloses a display device comprising the display panel.

Compared with the scheme that the packaging of the display panel in the prior art is only carried out in a vacuum state or a non-vacuum state, the packaging drainage device is arranged on the side edge of the pixel module of the display panel and used for removing water vapor between the substrate and the cover plate, so that after the inorganic material is packaged, the water vapor existing between the substrate and the cover plate can be discharged by the packaging drainage device, and the influence of the water vapor in the display panel on the pixel module is reduced; after the water vapor is discharged, the side edges of the substrate and the cover plate are sealed by the sealant to obtain the packaged display panel, so that a water vapor path possibly existing at the outer side of the display panel is sealed and isolated, and the overall packaging effect of the display panel is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. It is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained from these drawings without inventive faculty for a person skilled in the art. In the drawings:

Fig. 1 is a schematic cross-sectional structure of a display panel according to an embodiment of the present disclosure;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present application in a suction state of an encapsulated drain;

FIG. 3 is a schematic view of the partial enlarged structure of the area B in FIG. 2;

FIG. 4 is a schematic view of a partial enlarged structure of the region D in FIG. 3;

FIG. 5 is a schematic cross-sectional view of an exhaust state of a packaged exhaust device according to an embodiment of the present application;

FIG. 6 is a schematic view of a partial enlarged structure of the region C in FIG. 5;

FIG. 7 is a schematic view of the enlarged partial structure of the area E in FIG. 2;

FIG. 8 is a schematic view of a partial enlarged structure of the region F in FIG. 2;

FIG. 9 is a schematic view of a partial enlarged structure of the area A in FIG. 1;

fig. 10 is a step flow diagram of a method for packaging a display panel according to an embodiment of the present application;

fig. 11 is a block diagram schematically illustrating a structure of a display device according to an embodiment of the present application.

10, a display device; 100. a display panel; 110. a substrate base; 111. a first fixed end; 120. a pixel module; 130. a cover plate; 131. a second fixed end; 132. a fixed end body; 133. a glue injection channel; 134. a glue injection port; 200. packaging a drainage steam device; 210. an air suction and exhaust device; 220. a control mechanism; 230. a relay bin; 231. a first fixing frame; 232. the second fixing frame; 233. a first telescopic rod; 234. a second telescopic rod; 235. a third telescopic rod; 236. a fourth telescopic rod; 237. a telescopic rod connecting shaft; 238. an electromagnet; 239. a spring; 240. a retracting structure; 241. a first fixing portion; 242. a first connection frame; 243. a second fixing portion; 244. a third fixing portion; 245. a second connecting frame; 246. a fourth fixing portion; 250. an air inlet; 251. an exhaust port; 252. a first carrier; 253. a second carrier; 254. a first connection portion; 255. a second connecting portion; 260. a first mating switch; 261. a first switch body structure; 262. a first pulling structure; 263. a first fixed structure; 264. a first mating lever; 265. a second cooperating lever; 266. a first rotation shaft; 267. a second rotation shaft; 268. a first rotation fulcrum; 269. a second rotation fulcrum; 271. a second switch body structure; 272. a second pulling structure; 273. a second fixing structure; 274. a third cooperating lever; 275. a fourth cooperating lever; 276. a third rotation shaft; 277. a fourth rotation shaft; 278. a third rotation fulcrum; 279. a fourth pivot point; 280. a second mating switch; 281. a third switch body structure; 282. a third pulling structure; 283. a third fixing structure; 284. a fifth mating lever; 285. a fifth rotation shaft; 286. a fifth pivot point; 287. a fourth switch body structure; 288. a fourth pulling structure; 289. a fourth fixing structure; 290. a sixth mating lever; 291. a sixth rotation shaft; 292; a sixth pivot point; 293. a first flow passage; 294. a second flow passage; 300. fixing the frame; 310. a first fixed frame; 311. a first fixing seat; 312. a first frame; 313. the second fixing seat; 314. an air suction passage; 320. a second fixed frame; 321. a third fixing seat; 322. a second frame; 323. a fourth fixing base; 324. an exhaust passage; 325. a cavity; 400. a retractable shell; 410. a sub-housing; 420. The pull ring is retracted; 421. an annular portion; 427. A first engagement portion; 428. a first limit part; 429. a second engaging portion; 430. a second limit part; 500. a guide key; 510. a mating groove; 600. An opening; 700. a first sealing part; 710. a first seal post; 720. a first seal groove; 800. a second sealing part; 810. a second seal post; 820. a second seal groove; 900. an internal gas collection chamber; 910. a sensor; 920. the cavity is placed.

Detailed Description

It should be understood that the terminology, specific structural and functional details disclosed herein are merely representative for purposes of describing particular embodiments, but that the application may be embodied in many alternate forms and should not be construed as limited to only the embodiments set forth herein.

The present application is described in detail below with reference to the attached drawings and alternative embodiments.

Fig. 1 is a schematic cross-sectional structure diagram of a display panel 100 provided in an embodiment of the present application, which discloses a packaging drainage device 200 of a display panel 100, the display panel 100 includes a substrate 110, a pixel module 120 and a cover plate 130, the pixel module 120 is disposed on the substrate 110, the cover plate 130 is disposed on one side of the pixel module 120 away from the substrate 110, a packaging drainage device is disposed on a side edge of the pixel module 120, the packaging drainage device is used for removing water vapor between the substrate 110 and the cover plate 130, and after the water vapor is discharged, sealant is injected to seal two sides of the substrate 110 and the cover plate 130 so as to obtain the packaged display panel 100.

Compared with the scheme that the packaging of the display panel 100 in the prior art is only performed in a vacuum state or a non-vacuum state, the side edge of the pixel module 120 of the display panel 100 is provided with the packaging drainage device, and the packaging drainage device is used for removing water vapor between the substrate 110 and the cover plate 130, so that after the inorganic material packaging is performed, the water vapor existing between the substrate 110 and the cover plate 130 can be discharged by using the packaging drainage device, and the influence of the water vapor in the display panel 100 on the pixel module 120 is reduced; after the water vapor is discharged, the sealant is injected to seal the two sides of the substrate 110 and the cover plate 130 to obtain the display panel 100 after the encapsulation is completed, so that the water vapor paths possibly existing at the outer side of the display panel 100 are sealed and isolated, and the overall encapsulation effect of the display panel 100 is improved.

Fig. 2 is a schematic cross-sectional structure of an air-sucking state of the encapsulated drainage vapor device provided in the embodiment of the present application, fig. 3 is a schematic partial enlarged structure of a region B in fig. 2, fig. 4 is a schematic partial enlarged structure of a region D in fig. 3, fig. 5 is a schematic cross-sectional structure of an air-discharging state of the encapsulated drainage vapor device provided in the embodiment of the present application, as shown in fig. 2, the encapsulated drainage vapor device 200 includes an air-sucking and discharging device 210 and a control mechanism 220, the air-sucking and discharging device 210 includes a relay bin 230, an air inlet 250 and an air outlet 251, the air inlet 250 is disposed on a side of the relay bin 230 close to the pixel module 120, the air outlet 251 is disposed on a side of the relay bin 230 remote from the air inlet 250, and the control mechanism 220 is disposed on a side of the air-sucking and discharging device 210, and is in signal connection with the relay bin 230; wherein, when the suction and exhaust device 210 is in a suction state, the control mechanism 220 controls the relay bin 230 to suck air from between the substrate base plate 110 and the first cover plate 130 through the air inlet 250; when the air suction and exhaust device 210 is in the exhaust state, the control mechanism 220 controls the relay cabin 230 to exhaust the air with moisture to the outside of the air suction and exhaust device 210 away from the display panel 100.

As shown in fig. 1, the display panel 100 further includes an internal gas collecting cavity 900 and a sensor 910, the internal gas collecting cavity 900 is disposed between the pixel module 120 and the packaged exhaust device 200, the sensor 910 is disposed in the internal gas collecting cavity 900, the sensor 910 is in signal connection with the control mechanism 220, when the sensor 910 detects that the internal gas collecting cavity 900 has moisture, a signal is transmitted to the control mechanism 220, and the control mechanism 220 receives the signal to drive to open the packaged exhaust device 200. The presence of the internal gas collecting chamber 900 also prevents the packaging exhaust device 200 from sucking the two sides of the display panel 100 and blocking the flow of the air flow when the air is sucked.

Specifically, as shown in fig. 2, the air intake and exhaust device 210 includes a first mating switch 260 and a second mating switch 280, a first flow channel 293 and a second flow channel 294, wherein the first mating switch 260 is disposed on a side of the relay bin 230 near the pixel module 120, the first mating switch 260 is communicated with the air intake 250 through the first flow channel 293, the second mating switch 280 is disposed on a side of the relay bin 230 far from the pixel module 120, and the second mating switch 280 is communicated with the air exhaust 251 through the second flow channel 294; the control mechanism 220 controls the relay bin 230 to drive the first matching switch 260 and the second matching switch 280 to be turned on or off so as to perform air suction or air exhaust.

For fixing installation, the encapsulated vapor drainage device 200 further includes a fixed frame 300, the fixed frame 300 includes a first fixed frame 310 and a second fixed frame 320, the first fixed frame 310 includes a first fixing base 311, a first frame 312 and a second fixing base 313, the first frame 312 is disposed between the first fixing base 311 and the second fixing base 313, one end of the first frame 312 is fixedly connected with the first fixing base 311, and the other end of the first frame 312 is fixedly connected with the second fixing base 313; the second fixed frame 320 includes a third fixed seat 321, a second frame 322 and a fourth fixed seat 323, the second frame 322 is disposed between the third fixed seat 321 and the fourth fixed seat 323, one end of the second frame 322 is fixedly connected with the third fixed seat 321, and the other end of the second frame 322 is fixedly connected with the fourth fixed seat 323; the first fixing base 311 and the third fixing base 321 are disposed opposite to each other to form an air suction channel 314, the second fixing base 313 and the fourth fixing base 323 are disposed opposite to each other to form an air discharge channel 324, and the first frame 312 and the second frame 322 are disposed opposite to each other to form a hollow placement cavity 920 for accommodating the first matching switch 260, the relay bin 230 and the second matching switch 280, and limiting and fixing the first matching switch 260, the relay bin 230 and the second matching switch 280.

The first matching switch 260, the relay bin 230 and the second matching switch 280 are disposed in the placement cavity 920, the first matching switch 260 is connected with the first fixing seat 311 and the third fixing seat 321 in a matching manner, and the air suction channel 314 is communicated with the first flow channel 293 through the first matching switch 260; the second matching switch 280 is connected to the second fixing base 313 and the fourth fixing base 323 in a matching manner, and the exhaust passage 324 is communicated with the second flow passage 294 through the second matching switch 280.

As can be seen from fig. 2-3, the relay bin 230 includes a first fixing frame 231, a second fixing frame 232, a first telescopic rod 233, a second telescopic rod 234, a third telescopic rod 235, a fourth telescopic rod 236, a telescopic rod connecting shaft 237, an electromagnet 238, a spring 239 and a retraction structure 240, wherein the first fixing frame 231 and the second fixing frame 232 are oppositely arranged to form a hollow cavity 325, and the retraction structure 240 is arranged in the cavity 325.

The winding and pulling structure 240 is a hollow sphere structure, the springs 239 are arranged on the outer wall of the winding and pulling structure 240 and encircle the winding and pulling structure 240, the electromagnets 238 are arranged on the outer wall of the winding and pulling structure 240, one ends of the springs 239 are connected with the S poles of the electromagnets 238, the other ends of the springs 239 are connected with the N poles of the electromagnets 238, a plurality of electromagnets 238 can be arranged at intervals, adjacent electromagnets 238 are connected through the springs 239 and encircle the outer wall of the winding and pulling structure 240, and after the electromagnets 238 are electrified with currents in different directions, the electromagnets 238 are tightened or extended through the springs 239 to drive the winding and pulling structure 240 to be tightened or opened.

Specifically, the pull-out structure 240 includes a pull-out housing 400 and a pull-out ring 420, where the pull-out housing 400 and the pull-out ring 420 are both annular hollow structures, and the pull-out housing 400 is sleeved outside the pull-out ring 420; the pull-up case 400 includes a plurality of sub-cases 410, the pull-up ring 420 includes a plurality of annular portions 421, and each sub-case 410 is sleeved outside each annular portion 421 in a one-to-one correspondence manner, specifically, two adjacent sub-cases 410 and annular portions 421 are taken as an example for illustration: as shown in fig. 4, a first limiting portion 428 is disposed on an inner wall of the first sub-housing 410 near one end of the second five-housing, a first engaging portion 427 is disposed on an end of the first annular portion 421 near the second annular portion 421, the first engaging portion 427 is engaged with the first limiting portion 428, the first engaging portion 427 is limited by the first limiting portion 428, a second engaging portion 429 is disposed on an end of the second annular portion 421 connected with the first annular portion 421, a second limiting portion 430 is disposed on an inner wall of an end of the first annular portion 421 mated with the second annular portion 421, the second annular portion 421 is mated with the second limiting portion 430 by the second engaging portion 429, an end of the second annular portion 421 mated with the first annular portion 421 is capable of performing a drawing motion in the first annular portion 421, and a mating between the other sub-housing 410 and the corresponding annular portion 421 is also not repeated, thereby realizing a retracting and opening structure by the above-mentioned mating. Of course, other mating means are possible.

As shown in fig. 3, the first telescopic rod 233 and the second telescopic rod 234 are disposed opposite to each other, and the ends close to each other are all connected by the telescopic rod connecting shaft 237, the third telescopic rod 235 and the fourth telescopic rod 236 are disposed opposite to each other, and the ends close to each other are all connected by the telescopic rod connecting shaft 237, the end of the first telescopic rod 233 away from the telescopic rod connecting shaft 237 is connected with the inner wall of the retraction housing 400, the end of the third telescopic rod 235 away from the telescopic rod connecting shaft 237 is respectively connected with the inner wall of the retraction housing 400, the end of the second telescopic rod 234 away from the telescopic rod connecting shaft 237 is connected with the inner wall of the retraction housing 400, and the end of the fourth telescopic rod 236 away from the telescopic rod connecting shaft 237 is connected with the inner wall of the retraction housing 400;

the first fixing frame 231 includes a first fixing portion 241, a first connecting frame 242 and a second fixing portion 243, the second fixing frame 232 includes a third fixing portion 244, a second connecting frame 245 and a fourth fixing portion 246, one end of the first connecting frame 242 is fixedly connected with the first fixing portion 241, the other end of the second connecting frame 245 is fixedly connected with the second fixing portion 243, one end of the second connecting frame 245 is fixedly connected with the third fixing portion 244, and the other end of the second connecting frame 245 is fixedly connected with the fourth fixing portion 246; the first fixing portion 241 and the third fixing portion 244 form the first flow channel 293 in a corresponding fit, and the second fixing portion 243 and the fourth fixing portion 246 form the second flow channel 294 in a corresponding fit.

Fig. 7 is a schematic view of a partially enlarged structure of the area E in fig. 2, fig. 8 is a schematic view of a partially enlarged structure of the area F in fig. 2, and as shown in fig. 7-8, in combination with fig. 2 and 5, the first engaging switch 260 includes a first switch main structure 261, a first pulling structure 262, a second switch main structure 271, and a second pulling structure 272, the first pulling structure 262 includes a first fixing structure 263, a first engaging lever 264, a second engaging lever 265, a first rotating shaft 266, a second rotating shaft 267, a first rotating fulcrum 268, and a second rotating fulcrum 269, and the second pulling structure 272 includes a second fixing structure 273, a third engaging lever 274, a fourth engaging lever 275, a third rotating shaft 276, a fourth rotating shaft 277, a third rotating fulcrum 278, and a fourth rotating fulcrum 279;

the first switch main body structure 261 is disposed opposite to the second switch main body structure 271, the first fixed structure 263 is fixedly disposed on one side of the first switch main body structure 261 away from the second switch main body structure 271, one end of the first mating action lever 264 is movably connected with the first fixed structure 263 through the first rotating shaft 266, the other end of the first mating action lever 264 is movably connected with one end of the second mating action lever 265 through the second rotating shaft 267, the first rotating fulcrum 268 is disposed on the first fixed portion 241 and is in mating connection with the first mating action lever 264, the second rotating fulcrum 269 is fixedly disposed on an inner wall of the placement cavity 920 and is in mating connection with the second mating action lever 265, the second fixed structure 273 is fixedly disposed on one side of the second switch main body structure 271 away from the first switch main body structure 261, one end of the third mating action lever 274 is movably connected with the second fixed structure 273 through the third rotating shaft 276, the other end of the third mating action lever 274 is in mating connection with the third rotating shaft 274 through the fourth rotating shaft 277 and is in mating connection with the fourth rotating fulcrum 274, and is disposed on the fourth rotating fulcrum 274 and is in mating connection with the fourth rotating fulcrum portion 274; and the first switch main body structure 261 is respectively engaged with the first fixing base 311 and the first fixing portion 241, and the second switch main body structure 271 is respectively engaged with the third fixing base 321 and the third fixing portion 244 to be opened or closed.

The second mating switch 280 includes a third switch main body structure 281, a third pulling structure 282, a fourth switch main body structure 287 and a fourth pulling structure 288, the third pulling structure 282 includes a third fixing structure 283, a fifth mating action rod 284, a fifth rotating shaft 285 and a fifth rotating fulcrum 286, the fourth pulling structure 288 includes a fourth fixing structure 289, a sixth mating action rod 290, a sixth rotating shaft 291 and a sixth rotating fulcrum 292, the third switch main body structure 281 and the fourth switch main body structure 287 are oppositely arranged, the third fixing structure 283 is arranged at one side of the third switch main body structure 281 far away from the fourth switch main body structure 287, one end of the fifth mating action rod 284 is connected with the third fixing structure 283 through the fifth rotating shaft 285, and the other end of the fifth mating action rod 284 is fixedly connected with the other end of the second mating action rod 265 to form a first connecting portion 254; the fifth rotation fulcrum 286 is disposed on the second fixing portion 243 and is cooperatively connected with the fifth cooperation lever 284;

the fourth fixing structure 289 is disposed on a side of the fourth switch main body structure 287 away from the third switch main body structure 281, one end of the sixth mating action lever 290 is connected to the fourth fixing structure 289 through the sixth rotation shaft 291, and the other end of the sixth mating action lever 290 is fixedly connected to the other end of the fourth mating action lever 275 to form a second connecting portion 255; the sixth pivot 292 is disposed on the fourth fixed portion 246 and is coupled to the sixth mating lever 290; the third switch main body structure 281 is respectively engaged with the second fixing base 313 and the second fixing portion 243, and the fourth switch main body structure 287 is respectively engaged with the fourth fixing base 323 and the fourth fixing portion 246 to be opened or closed;

As shown in fig. 3 and 6, the relay bin 230 further includes a first carrier 252 and a second carrier 253, where the first carrier 252 and the second carrier 253 are oppositely disposed on an outer wall of the retracting structure 240, one end of the first carrier 252 is connected with one side of the retracting structure 240 away from the second carrier 253 in a matching manner, and the other end of the first carrier 252 is fixedly connected with the first connecting portion 254; one end of the second carrier 253 is cooperatively connected with a side of the retracting structure 240 away from the first carrier 252, the other end of the second carrier 253 is fixedly connected with the second connecting portion 255, and the first carrier 252 and the second carrier 253 are used for being cooperatively retracted and opened by the retracting structure 240.

Specifically, referring to fig. 2 to fig. 6, when the electromagnet 238 is energized in the first direction, the plurality of springs 239 perform an extending motion, the pull-up housing 400 is expanded in a direction away from the center of the circle, so as to drive the pull-up ring 420 to be expanded and stretched, that is, the pull-up housing 400 and the pull-up ring 420 are both expanded and opened in a direction away from the center of the circle, so as to drive the first telescopic link 233, the second telescopic link 234, the third telescopic link 235 and the fourth telescopic link 236 to perform an extending motion, so that the whole pull-up structure 240 is expanded outwards, the first connecting portion 254 and the second connecting portion 255 are moved to abut against the cavity wall of the placement cavity 920, the second engaging link 265 is partially abutted against the second rotating fulcrum 269, under the action of force, the second engaging link 265 is tightened in a direction close to the pull-up structure 240, and the acting force on the second engaging link 264 is transferred to the first engaging link 264 through the second rotating shaft 267, and at this time, the force acting on the first engaging link 264 makes the first engaging link 264 partially abut against the first rotating fulcrum 268, and the first engaging link 264 moves down structure 263, thereby moving up the first engaging structure 263 and moving up the first end structure 263; in addition, the fourth engaging lever 275 partially abuts against the fourth pivot point 279, under the action of force, the fourth engaging lever 275 tightens in a direction approaching to the retracting structure 240, and at the same time, the force acting on the fourth engaging lever is transferred to the third engaging lever 274 through the fourth rotating shaft 277, at this time, the force acting on the third engaging lever 274 makes the third engaging lever 274 partially abut against the third pivot point 278, the end of the third engaging lever 274 connected to the fourth engaging lever moves upward, and the end of the third engaging lever 274 connected to the second fixing structure 273 moves downward, so as to drive the second fixing structure 273 to move downward with the second switch main structure 271, thereby opening the first engaging switch 260 and exposing the air suction channel 314, so that the first flow channel 293, the air suction channel 314 and the air inlet 250 are communicated, and at this time, the air in the display panel 100 enters the relay chamber 230 through the first flow channel 293, the air suction channel 314 and the air inlet 250.

Conversely, when the electromagnet 238 is energized in the second direction, the plurality of springs 239 perform a contraction movement, the pull-up housing 400 tightens up in the direction close to the center of the circle, and drives the pull-up ring 420 to contract in the direction close to the center of the circle, that is, the pull-up housing 400 and the pull-up ring 420 tighten up in the direction close to the center of the circle, and drives the first telescopic rod 233, the second telescopic rod 234, the third telescopic rod 235 and the fourth telescopic rod 236 to perform a contraction movement, so that the whole pull-up structure 240 tightens up inwards, and further the first supporting body 252 and the second supporting body move in the direction close to each other, the first supporting body 252 drives the second supporting body 265 to move downwards, and meanwhile, the force acting on the second supporting body is transferred to the first supporting body 264 through the second rotating shaft 267, at this time, the force acting on the first supporting body 264 partially butts against the first rotating pivot 268, and one end of the first supporting body 264 connected with the second supporting body 264 moves downwards, so that the first supporting body 263 moves downwards along the first supporting body 263 moves downwards; in addition, the second carrier 253 drives the fourth engaging rod 275 to move upward, and at the same time, the force applied to the fourth engaging rod is transferred to the third engaging rod 274 through the fourth rotating shaft 277, at this time, the force applied to the third engaging rod 274 makes the third engaging rod 274 partially prop against the third rotating pivot 278, the end of the third engaging rod 274 connected to the fourth engaging rod moves downward, and the end of the third engaging rod 274 connected to the second fixing structure 273 moves upward, so as to drive the second fixing structure 273 to move upward with the second switch main structure 271, thereby closing the first engaging switch 260 and cutting off the channel between the display panel 100 and the air inlet 250. Meanwhile, when the first carrier 252 moves downward, the end of the fifth mating action rod 284 connected to the second mating action rod 265 is driven to move downward, and the fifth mating action rod 284 is mated with the fifth rotation fulcrum 286, so that the end of the fifth mating action rod 284 connected to the third fixing structure 283 moves upward; meanwhile, when the second carrier 253 moves upward, the end of the sixth mating action rod 290 connected to the fourth mating action rod 275 is driven to move upward, and the sixth mating action rod 290 is mated with the sixth rotating fulcrum 292, so that the end of the sixth mating action rod 290 connected to the fourth fixing structure 289 moves downward, thereby opening the second mating switch 280 and exposing the exhaust channel 324, so that the second flow channel 294, the exhaust channel 324 and the exhaust port 251 are communicated, and at this time, the relay bin 230 is in an exhaust state, and the gas absorbed into the relay bin 230 is exhausted to the outside far away from the display panel 100 through the second flow channel 294, the exhaust channel 324 and the exhaust port 251.

As shown in fig. 7-8, the first switch main body structure 261 is slidably connected with the first fixing seat 311 and the first fixing frame 231, respectively; the second switch main body structure 271 is slidably connected with the third fixing base 321 and the second fixing frame 232, and the third switch main body structure 281 is slidably connected with the second fixing base 313 and the second fixing frame 232; the fourth switch main structure 287 is slidably connected to the fourth fixing base 323 and the second fixing frame 232. Wherein, the first fixing seat 311 may be provided with a matching groove 510, the first switch main body structure 261 may be provided with a guide key 500, and the first switch main body structure 261 and the matching groove 510 may be matched to slide up and down, and in the same way, the second fixing seat 313, the third fixing seat 321 and the fourth fixing seat 323 may also be provided with a matching groove 510, and the third switch main body structure 281, the second switch main body structure 271 and the fourth switch main body structure 287 may be provided with a guide key 500, and the guide key 500 and the matching groove 510 may be matched to slide. Of course, the positions of the engaging groove 510 and the guide key 500 may be appropriately adjusted, or other engaging sliding structures may be provided, which is not limited herein.

In addition, since the second matching switch 280 is in the exhaust state when being opened, if the exhaust passage 324 opened by the second matching switch 280 is too large, although the internal gas is exhausted at a higher speed during the exhaust, at the same time, a part of external gas is allowed to enter the inside of the encapsulated exhaust device 200 through the exhaust passage 324, so that a plurality of small springs 239 may be disposed between the third switch main body structure 281 and the third fixing structure 283 for connection, and a plurality of small springs 239 may be disposed between the fourth switch main body structure 287 and the fourth fixing structure 289 for connection, so that the third fixing structure 283 has a longer stroke when driving the third switch main body structure 281 and the fourth fixing structure 289 has a longer stroke when driving the fourth switch main body structure 287, and the opened exhaust passage 324 is also relatively smaller, so that the internal gas is exhausted to the outside of the display panel 100 more intensively.

Fig. 9 is a schematic view of a partial enlarged structure of the area a in fig. 1, as shown in fig. 9, and in combination with fig. 1, for convenience of installation, the encapsulated drainage device 200 may have a cylindrical structure, a first fixing end 111 is disposed on a side of the substrate close to the encapsulated drainage device 200, a second fixing end 131 is disposed on a side of the cover 130 close to the encapsulated drainage device, an opening 600 is formed between the first fixing end 111 and the second fixing end 131, screw grooves are respectively disposed in the opening 600, a screw structure matched with the screw grooves is correspondingly disposed on an outer wall of the encapsulated drainage device 200, the encapsulated drainage device 200 may be installed in the opening 600, the first fixing frame 310 is fixed in abutment with the first fixing end 111, and the second fixing frame 320 is fixed in abutment with the second fixing end 131; a first sealing part 700 is disposed on a side of the second fixing base 313 abutting against the second fixing end 131, a second sealing part 800 is disposed on a side of the fourth fixing base 323 abutting against the first fixing end 111, and the first sealing part 700 and the second sealing part 800 are both far away from the pixel module; the first sealing part 700 includes a plurality of first sealing columns 710 disposed at intervals, the second sealing part 800 includes a plurality of second sealing columns 810 disposed at intervals, a first sealing groove 720 is formed between two adjacent first sealing columns 710, and a second sealing groove 820 is formed between two adjacent second sealing columns 810;

Wherein, each first seal groove 720 communicates each other, each second seal groove 820 communicates each other, first seal groove 720 with second seal groove 820 communicates, second stiff end 131 includes stiff end body 132, injecting glue passageway 133 and injecting glue mouth 134, injecting glue mouth 134 sets up stiff end body 132 keeps away from one side of first sealing part 700, injecting glue passageway 133 runs through stiff end body 132, just injecting glue mouth 134 passes through injecting glue passageway 133 with first seal groove 720 communicates, like this after injecting the packing glue into injecting glue mouth 134, the packing glue can reach each first seal groove 720 and each second seal groove 820 through injecting glue passageway 133, and then seals the air inlet channel between packing drainage device 200 and the opening 600, avoids outside steam to get into inside the display panel 100 through the air inlet channel between packing drainage device 200 and the opening 600, causes the influence to the display panel 100.

Fig. 10 is a schematic step flow diagram of a method for packaging a display panel provided in the present application, and as shown in fig. 10, the present application further discloses a method for packaging a display panel, including the steps of:

s1: forming a pixel module on a substrate base plate;

S2: forming an encapsulation layer on the pixel module;

s3: covering a cover plate above the packaging layer;

s4: mounting an encapsulation drainage vapor device to one side of the pixel module;

s5: detecting by using a sensor;

s6: if the sensor detects that water vapor exists between the pixel module and the cover plate, the control mechanism controls the pneumatic power bin to open a first matched switch for air suction;

s7: after the air suction is finished, the pneumatic power bin closes the first matching switch, and opens the second matching switch to exhaust;

s8: after the exhaust is finished, when the sensor cannot detect water vapor, the first matched switch is permanently closed;

s9: and injecting packaging glue from a glue injection port on the cover plate, and sealing two sides of the display panel to obtain the packaged display panel.

By adopting the packaging method to package the display panel, the water vapor in the display panel can be discharged, the possibility of the water vapor in the display panel is reduced, and the pixel module is further protected.

Fig. 11 is a block diagram structural schematic diagram of a display device provided in an embodiment of the present application, and as shown in fig. 9, the present application further discloses a display device, and the display device assembled by adopting the display panel as described above reduces the intrusion influence of water vapor on a pixel module, and can ensure a display effect and prolong the service life.

It should be noted that, the limitation of each step in the present solution is not to be considered as limiting the sequence of steps on the premise of not affecting the implementation of the specific solution, and the steps written in the previous step may be executed before, may be executed after, or may even be executed simultaneously, so long as the implementation of the present solution is possible, all should be considered as falling within the protection scope of the present application.

It should be noted that, the inventive concept of the present application may form a very large number of embodiments, but the application documents have limited space and cannot be listed one by one, so that on the premise of no conflict, the above-described embodiments or technical features may be arbitrarily combined to form new embodiments, and after the embodiments or technical features are combined, the original technical effects will be enhanced.

The foregoing is a further detailed description of the present application in connection with specific alternative embodiments, and it is not intended that the practice of the present application be limited to such descriptions. It should be understood that those skilled in the art to which the present application pertains may make several simple deductions or substitutions without departing from the spirit of the present application, and all such deductions or substitutions should be considered to be within the scope of the present application.

Claims (10)

1. The encapsulation vapor drainage device of the display panel comprises a substrate base plate, a pixel module and a cover plate, wherein the pixel module is arranged on the substrate base plate, the cover plate is arranged on one side of the pixel module far away from the substrate base plate, and the encapsulation vapor drainage device is characterized in that,

and the side edge of the pixel module is provided with a packaging drainage device which is used for removing water vapor between the substrate and the cover plate, and after the water vapor is discharged, sealant is injected to seal the side edges of the substrate and the cover plate so as to obtain the packaged display panel.

2. The encapsulated drain of claim 1, wherein the encapsulated drain comprises an air intake and exhaust device and a control mechanism, the air intake and exhaust device comprises a relay bin, an air inlet and an air outlet, the air inlet is arranged on one side of the relay bin close to the pixel module, the air outlet is arranged on one side of the relay bin far from the air inlet, and the control mechanism is arranged on one side of the air intake and exhaust device and is in signal connection with the relay bin;

when the air suction and exhaust device is in an air suction state, the control mechanism controls the relay bin to suck air from between the substrate base plate and the first cover plate through the air inlet;

When the air suction and exhaust device is in an exhaust state, the control mechanism controls the relay bin to exhaust air with water vapor to the outer side of the air suction and exhaust device, which is far away from the display panel.

3. The packaged drain vapor device of claim 2, wherein the suction and exhaust means comprises a first mating switch and a second mating switch, a first flow channel and a second flow channel, the first mating switch being disposed on a side of the relay bin adjacent the pixel module, the first mating switch being in communication with the air inlet via the first flow channel, the second mating switch being disposed on a side of the relay bin remote from the pixel module, the second mating switch being in communication with the air outlet via the second flow channel; the control mechanism controls the relay bin to drive the first matched switch and the second matched switch to be opened or closed.

4. The packaged vapor displacement device of claim 3, further comprising a fixed frame comprising a first fixed frame and a second fixed frame, the first fixed frame comprising a first fixed seat, a first frame and a second fixed seat, the first frame being disposed between the first fixed seat and the second fixed seat, one end of the first frame being fixedly connected to the first fixed seat, the other end of the first frame being fixedly connected to the second fixed seat;

The second fixed frame body comprises a third fixed seat, a second frame body and a fourth fixed seat, the second frame body is arranged between the third fixed seat and the fourth fixed seat, one end of the second frame body is fixedly connected with the third fixed seat, and the other end of the second frame body is fixedly connected with the fourth fixed seat;

the first fixing seat and the third fixing seat are oppositely arranged to form an air suction channel, the second fixing seat and the fourth fixing seat are oppositely arranged to form an air discharge channel, and the first frame body and the second frame body are oppositely arranged to form a hollow placing cavity;

the first matched switch, the relay bin and the second matched switch are arranged in the placing cavity, the first matched switch is matched and connected with the first fixed seat and the third fixed seat, and the air suction channel is communicated with the first flow channel through the first matched switch; the second matched switch is matched and connected with the second fixing seat and the fourth fixing seat, and the exhaust channel is communicated with the second flow channel through the second matched switch.

5. The packaged vapor drainage device of claim 4, wherein the relay bin comprises a first fixed frame, a second fixed frame, a first telescopic rod, a second telescopic rod, a third telescopic rod, a fourth telescopic rod, a telescopic rod connecting shaft, an electromagnet, a spring and a retraction structure, wherein the first fixed frame and the second fixed frame are oppositely arranged to form a hollow cavity, and the retraction structure is arranged in the cavity;

The retractable structure is a hollow sphere structure, the first telescopic rod, the second telescopic rod, the third telescopic rod and the fourth telescopic rod are arranged in the retractable structure in a cross shape, and the first telescopic rod, the second telescopic rod, the third telescopic rod and the fourth telescopic rod are respectively connected with the inner wall of the retractable structure;

the spring is arranged on the outer wall of the folding structure and surrounds the folding structure, the electromagnet is arranged on the outer wall of the folding structure, one end of the spring is connected with the S pole of the electromagnet, and the other end of the spring is connected with the N pole of the electromagnet;

the first matched switch is connected with the first fixing frame, the second fixing frame and the folding and pulling structure;

the second matched switch is connected with the first fixing frame, the second fixing frame and the folding and pulling structure.

6. The packaged vapor drainage device of claim 5, wherein the pull-out structure comprises a pull-out shell and a pull-out ring, the pull-out shell and the pull-out ring are of annular hollow structures, and the pull-out shell is sleeved outside the pull-out ring;

and one end of the first telescopic rod, one end of the second telescopic rod, one end of the third telescopic rod and one end of the fourth telescopic rod are connected with the inner wall of the folding and pulling shell.

7. The packaged drain vapor device of claim 6, wherein the first mating switch comprises a first switch body structure and a second switch body structure, the second mating switch comprises a third switch body structure and a fourth switch body structure; the first switch main body structure is respectively connected with the first fixing seat and the first fixing frame in a sliding manner; the second switch main body structure is respectively connected with the third fixing seat and the first fixing frame in a sliding manner;

the third switch main body structure is respectively connected with the second fixing seat and the second fixing frame in a sliding way; the fourth switch main body structure is respectively connected with the fourth fixing seat and the second fixing frame in a sliding manner.

8. The encapsulated drainage vapor device of claim 1, wherein the encapsulated drainage vapor device is of a cylindrical structure, a first fixed end is arranged on one side, close to the encapsulated drainage vapor device, of the base plate, a second fixed end is arranged on one side, close to the encapsulated drainage device, of the cover plate, an opening is formed between the first fixed end and the second fixed end, the encapsulated drainage vapor device is installed in the opening, the first fixed frame body is in butt joint with the first fixed end, and the second fixed frame body is in butt joint with the second fixed end;

The packaging drainage vapor device further comprises a first sealing part and a second sealing part, wherein the first sealing part is communicated with the second sealing part, the second fixing end comprises a fixing end body, a glue injection channel and a glue injection port, the glue injection port is arranged on one side, far away from the first sealing part, of the fixing end body, the glue injection channel penetrates through the fixing end body, and the glue injection port is communicated with the first sealing part through the glue injection channel.

9. A packaging method of a display panel, employing the packaged vapor drainage device according to any one of claims 1 to 8, comprising the steps of:

forming a pixel module on a substrate base plate;

forming an encapsulation layer on the pixel module;

covering a cover plate above the packaging layer;

mounting an encapsulation drainage vapor device to one side of the pixel module;

detecting by using a sensor;

if the sensor detects that water vapor exists between the substrate base plate and the cover plate, the control mechanism controls the pneumatic power bin to open a first matched switch for air suction;

after the air suction is finished, the pneumatic power bin closes the first matching switch, and opens the second matching switch to exhaust;

After the exhaust is finished, when the sensor cannot detect water vapor, the first matched switch is permanently closed;

and injecting packaging glue from a glue injection port on the cover plate, and sealing the side edge of the display panel to obtain the packaged display panel.

10. A display device comprising the display panel of claim 9.