TWI574441B - Oled continuously processing device - Google Patents

Description

Continuous processing device for flexible light-emitting diode

The invention relates to a processing device for a light-emitting diode, in particular to a continuous processing device for a flexible light-emitting diode.

The vapor deposition machine is an important device for the organic light-emitting diode (OLED) process, and the current organic light-emitting diodes have entered the era of flexible soft boards from the hard skin era. The moisture and oxygen in the air can seriously damage the organic light-emitting diode small molecule film in the vapor deposition process of the organic light-emitting diode. Therefore, the general organic coating equipment is often equipped with a nitrogen glove box which is airtightly connected with the vapor deposition machine, and the vapor deposition machine and the nitrogen glove box form a closed space, in which the operator replaces the material covering, the cloth point and the component package. Thereby, the organic light-emitting diode is prevented from contacting the air during the processing process conversion, and the organic light-emitting diode small molecule film can be protected.

The flexible organic light-emitting diode is mainly made of PET plastic as a substrate, and the plastic substrate itself has water permeability and permeability. The flexible organic light-emitting diode has the characteristics of bendable crimping, so it is not suitable for the conventional hard-plate light-emitting diode packaging technology, and it is necessary to use a packaging method on which an aluminum oxide film is deposited to generate a water-repellent layer to block steam. The nitrogen glove box can also be used in the packaging process for alumina film deposition.

A disadvantage of the prior art is that the cost of the glove box itself, its consumables and maintenance is quite high, and the process of entering and exiting the vaporizer from the flexible organic light-emitting diode semi-finished product may cause damage thereto and cause a decrease in process yield.

In view of this, the inventors of the present invention have devoted themselves to research and cooperation in view of the above prior art. The use of the theory, trying to solve the above problems, has become the goal of the inventor's improvement.

The main object of the present invention is to provide a continuous processing device for a flexible light-emitting diode which can integrate the vapor deposition and packaging process of the flexible light-emitting diode and can be continuously processed automatically.

In order to achieve the above object, the present invention provides a continuous processing apparatus for a flexible light-emitting diode for vapor deposition and encapsulation of a base material strip. It comprises an airtight box, a feed wheel, a roll of material, an evaporation system and a packaging system. The feed wheel is disposed in the airtight box for winding one end of the base material strip. The reel is disposed in the airtight case for winding the other end of the base material strip to extend the base material strip between the feed wheel and the reel. The evaporation system is disposed in the airtight box and corresponding to the position of the base material strip in the airtight box. The packaging system is disposed in the airtight box and corresponding to the position of the base material strip in the airtight box.

Preferably, in the above-mentioned continuous processing device of the flexible light-emitting diode, the airtight box comprises an evaporation chamber and a package cavity, and the package cavity and the vapor deposition chamber are airtight by a channel In connection, the feed wheel and the vapor deposition system are disposed in the vapor deposition chamber, the coil wheel and the packaging system are disposed in the package cavity, and the base material strip extends through the channel at the feed wheel and the roll Between the wheels.

Preferably, the foregoing continuous processing device for a flexible light-emitting diode, wherein the vapor deposition system comprises a mask jig corresponding to a position of the base material strip to cover a portion of the base material strip Share.

Preferably, the foregoing continuous processing device for a flexible light-emitting diode, wherein the vapor deposition system comprises an airtight cover disposed opposite to the mask fixture and respectively corresponding to two sides of the base material strip, the gas The cover is configured to move a portion of the base material strip between the airtight cover and the mask fixture relative to the mask fixture.

Preferably, in the above-mentioned continuous processing device for a flexible light-emitting diode, the mask fixture is provided with at least one vapor deposition hole for exposing the base material strip to the vapor deposition.

Preferably, the foregoing flexible processing device for a flexible light-emitting diode, wherein the cover The cover fixture comprises a loading platform, and the plurality of through holes are defined in the loading platform, and each of the through holes is respectively covered with a shielding plate, and the vapor deposition hole is opened in one of the shielding plates.

Preferably, the foregoing flexible processing device for a flexible light emitting diode, wherein the packaging system comprises a deposition tank having an opening and the opening is configured to cover the base material corresponding to the base material strip Take one part.

Preferably, the above-mentioned continuous processing device for a flexible light-emitting diode, wherein the packaging system comprises an airtight cover opposite to the opening and corresponding to two sides of the base material strip, respectively, the airtight cover can be opposite The opening is moved to seal the opening to hermetically seal the deposit box and seal a portion of the base material strip within the deposition tank.

The continuous processing device for the flexible organic light-emitting diode of the present invention integrates the vapor deposition and packaging processes in a gas-tight box by a coiling method to simultaneously improve the yield and shorten the processing time.

10‧‧‧Base material belt

11‧‧‧ Feeding end

12‧‧‧Roll end

100‧‧‧ airtight box

110‧‧‧vapor plating chamber

120‧‧‧Package cavity

130‧‧‧ channel

210‧‧‧feeding wheel

220‧‧‧Roller

300‧‧‧Evaporation system

310‧‧‧Mask fixture

311‧‧‧

312‧‧‧through hole

313‧‧‧ visor

314‧‧‧ evaporated holes

320‧‧‧ airtight cover

330‧‧‧Electric positioning mechanism

331‧‧‧rails

332‧‧‧ Positioning motor

340‧‧‧vapor deposition source

350‧‧ ‧ partition

400‧‧‧Package system

410‧‧‧Sedimentation box

411‧‧‧ openings

420‧‧‧ airtight cover

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic view of a continuous processing apparatus for a flexible organic light-emitting diode according to a preferred embodiment of the present invention.

The second drawing is a schematic view of an evaporation system in a preferred embodiment of the invention.

Referring to the first to second embodiments, a preferred embodiment of the present invention provides a continuous processing device for a flexible organic light emitting diode (OLED) for performing vapor deposition and packaging of a substrate strip 10. machining. The base material strip 10 is a flexible strip of plastic film, and one of the base material strips 10 is pre-wired with a plurality of light emitting diodes, and the two ends of the base material strip 10 are respectively a feeding end 11 And a roll end 12. At least one organic layer or a metal layer can be formed on the light-emitting diode by the evaporation process; by the packaging process, a thin aluminum oxide can be deposited on the light-emitting diode for waterproofing. In the present embodiment, the continuous processing device for the flexible light-emitting diode of the present invention comprises an airtight box 100, a feed wheel 210, a winding wheel 220, an evaporation system 300 and a packaging system 400.

An evaporation chamber 110 and a package cavity 120 are formed in the airtight box 100, and the package cavity 120 is A channel 130 is formed between the vapor deposition chambers 110 to be hermetically connected. It is capable of maintaining a vacuum state within the package chamber 120 and the vapor deposition chamber 110 by extracting air from the airtight container 100.

The feed wheel 210 is pivotally mounted on the inner side wall of the evaporation chamber 110, and the feed wheel 210 is used to feed the unprocessed feed end 11 of the aforementioned base material strip 10 thereon. A reeling wheel 220 is disposed within the package cavity 120 for winding the web end 12 from which the base material strip 10 has been machined to recover the finished base material strip 10. The base material strip 10 extends between the feed wheel 210 and the reel 220 through the passage 130 to vapor-deposit and enclose the LEDs in the vapor deposition chamber 110 and the package chamber 120, respectively. Preferably, the light-emitting diodes that are rolled out onto the base material strip 10 between the feed wheel 210 and the reeling wheel 220 are disposed downwardly to facilitate processing.

The vapor deposition system 300 is disposed in the vapor deposition chamber 110 and disposed corresponding to the base material strip 10 in the package cavity 120. The vapor deposition system 300 includes a mask fixture 310, an airtight cover 320, and an electric positioning mechanism 330. The mask jig 310 is disposed at a position within the vapor deposition chamber 110 corresponding to a portion of the base material strip 10 to cover a portion of the base material strip 10. The mask fixture 310 includes a loading platform 311. The mounting base 311 defines a plurality of through holes 312. Each of the through holes 312 is respectively covered with a shielding plate 313. At least one of the shielding plates 313 is provided with at least one vapor deposition hole. 314 is vapor-deposited by exposing the base material tape 10 to the vapor deposition hole 314. The airtight cover 320 is disposed opposite to the mask jig 310 and respectively corresponds to two sides of the base material strip 10, and the airtight cover 320 can move relative to the mask jig 310 to clamp a portion of the base material strip 10 to the gas. The cover 320 is disposed between the cover 320 and the mask jig 310. The electric positioning mechanism 330 includes a pair of slide rails 331 and a positioning motor 332. The stage 311 is disposed on the slide rails 331 and drives the stage 311 to move on the slide rails 331 by the positioning motor 332, thereby adjusting the alignment of the shutter 313. The block to be processed on the base material strip 10. Preferably, a plurality of evaporation sources 340 are disposed on the bottom surface of the vapor deposition chamber 110, and each of the evaporation sources 340 is connected to a heating source. The evaporation source 340 may be an organic evaporation source 340 or a metal evaporation source 340. For example, the vapor deposition chamber 110 is provided with two metal evaporation sources 340 and four organic evaporation sources 340 to provide different colors. The flexible light-emitting diodes are separated from each other by a separator 350 between the vapor deposition sources 340. The evaporation source 340 is heated by the heat source to enable the vapor deposition source 340 to be vaporized. Evaporation onto the light-emitting diode.

The packaging system 400 is disposed in the package cavity 120 and corresponding to the position of the base material strip 10 in the package cavity 120. The package system 400 includes a deposition box 410 and an airtight cover 420. The deposition tank 410 is preferably disposed on a low surface within the package cavity 120 having an opening 411 and the opening 411 is preferably disposed upwardly corresponding to the position of the base material strip 10, thereby masking the base material strip 10 The block to be processed. The airtight cover 420 is disposed opposite to the opening 411 and respectively corresponds to two sides of the base material strip 10, and the airtight cover 420 is movable relative to the deposition tank 410 to hermetically deposit the tank 410 and seal the block portion processed by the base material strip 10 Within the deposition tank 410 is deposited alumina over the block.

After the evaporation process is completed, the block to be processed on the base material strip 10 can be moved into the package cavity 120 by the feed wheel 210 and the reel 220 and rolled to perform a packaging process, and the next block to be processed can also be simultaneously wound. The vapor deposition system 300 is moved to the vapor deposition system 300.

In summary, the continuous processing device for the flexible organic light-emitting diode of the present invention can integrate the evaporation and packaging process into a gas-tight container 100, which can reduce the chance of manual movement to avoid damage, and can borrow The vapor deposition and packaging processes are simultaneously performed by the coiling method to shorten the processing time.

The above is only the preferred embodiment of the present invention, and is not intended to limit the scope of the invention, and other equivalent variations of the patent spirit of the present invention are all within the scope of the invention.

10‧‧‧Base material belt

11‧‧‧ Feeding end

12‧‧‧Roll end

100‧‧‧ airtight box

110‧‧‧vapor plating chamber

120‧‧‧Package cavity

130‧‧‧ channel

210‧‧‧feeding wheel

220‧‧‧Roller

300‧‧‧Evaporation system

310‧‧‧Mask fixture

320‧‧‧ airtight cover

330‧‧‧Electric positioning mechanism

340‧‧‧vapor deposition source

350‧‧ ‧ partition

400‧‧‧Package system

410‧‧‧Sedimentation box

411‧‧‧ openings

420‧‧‧ airtight cover

Claims (7)

A continuous processing device for a flexible light-emitting diode for vapor deposition and encapsulation of a base material strip, comprising: an airtight box; a feed wheel disposed in the airtight box for the base One end of the material strip is wound; a reel is disposed in the airtight box for winding the other end of the base material strip to extend the base material strip between the feed wheel and the reel An evaporation system disposed in the airtight box and corresponding to the position of the base material strip in the airtight box; and a packaging system disposed in the airtight box and corresponding to the base material strip Positioning in the airtight box; wherein the airtight box includes an evaporation chamber and a package cavity, the package cavity and the vapor deposition chamber are hermetically connected by a passage, the feed wheel and the An evaporation system is disposed in the evaporation chamber, the winding wheel and the packaging system are disposed in the package cavity, and the base material strip extends between the feed wheel and the winding wheel through the passage. The continuous processing device for a flexible light-emitting diode according to claim 1, wherein the vapor deposition system comprises a mask jig corresponding to a position of the base material strip to mask one of the base material strips Part. The continuous processing device for a flexible light-emitting diode according to claim 2, wherein the vapor deposition system comprises an airtight cover opposite to the mask fixture and respectively corresponding to two sides of the base material strip, The airtight cover is configured to move a portion of the base material strip between the airtight cover and the mask fixture relative to the mask fixture. The continuous processing device for a flexible light-emitting diode according to claim 2, wherein the mask fixture is provided with at least one vapor deposition hole for exposing the base material strip to the vapor deposition. The continuous processing device for a flexible light-emitting diode according to claim 4, wherein the mask fixture comprises a stage on which a plurality of through holes are opened, each of the through holes being separately covered a shutter, the vapor deposition hole is formed in one of the shutters. A continuous processing device for a flexible light-emitting diode according to claim 1, wherein the packaging system comprises a deposition tank having an opening and the opening is configured to cover the base corresponding to the base material strip One part of the material strip. The continuous processing device for a flexible light-emitting diode according to claim 6, wherein the packaging system comprises an airtight cover disposed opposite to the opening and respectively corresponding to two sides of the base material strip, the airtight cover capable of The opening is moved relative to the mask fixture to hermetically seal the deposit box and seal a portion of the base material strip within the deposition tank.