CN110224084A - A kind of applying method of the rotatory polarization piece of flexibility OLED display panel - Google Patents
A kind of applying method of the rotatory polarization piece of flexibility OLED display panel Download PDFInfo
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- CN110224084A CN110224084A CN201910383851.1A CN201910383851A CN110224084A CN 110224084 A CN110224084 A CN 110224084A CN 201910383851 A CN201910383851 A CN 201910383851A CN 110224084 A CN110224084 A CN 110224084A
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- display panel
- oled display
- rotatory polarization
- polarization piece
- cutting
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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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
- H10K50/868—Arrangements for polarized light emission
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
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- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
A kind of applying method of the rotatory polarization piece of flexible OLED display panel provided by the invention, it is aligned including the cutting of full wafer rotatory polarization piece, small pieces, fitting, the technique for being cut by laser correction of the flank shape again, compared to the prior art, now use the manufacturing process being once cut by laser, reduce in the past because contraposition is inaccurate, generates the dimensional discrepancy risk of cutting twice, improve the precision of product, product preparation time is shortened, especially suitable for the cutting to narrow frame display panel.Therefore, this improvement, the production for entire flexible OLED display panel is quite significant progress.
Description
Technical field
The invention belongs to OLED display panel manufacturing field, in particular to a kind of rotatory polarization piece of flexible OLED display panel
Applying method.
Background technique
Hyundai electronics development in science and technology is rapid, especially display screen technology, applies till now increasingly from mature LCD
Extensive OLED has had evolved to the OLED display panel of flexible at present.The preparation of flexible OLED display panel with
Common OLED display panel is different greatly, and the difficulty of production is higher, and process is also different greatly with common OLED display panel.
When preparing flexible OLED display panel, rotatory polarization piece is also indispensable element, the size cutting of rotatory polarization piece
Precise requirements it is very high, have become superior in quality important link.In the production technology of flexible OLED display panel, need
Use laser cutting device；In particular in the production of existing display panel narrow frame, it usually needs by rotatory polarization piece and flexibility
Panel is respectively cut into the shape (such as with poroid abnormity or other profiled shapes) of needs, then by the rotatory polarization of well cutting
Piece is bonded with flexible panel, sees Fig. 1, it usually needs flexible OLED display panel is more bigger than the size of rotatory polarization piece and guarantees to be bonded
Accuracy is very high, but high accuracy is extremely stringent to production equipment and manufacturing technique requirent, and product yield is lower,
Production cost is higher.
Summary of the invention
Technical problem: difficulty height, product are bonded with rotatory polarization piece in order to solve flexible OLED display panel in the prior art
The low problem of yields, the present invention provides a kind of rotatory polarization piece applying methods of flexible OLED display panel.
Technical solution: a kind of rotatory polarization piece applying method of flexible OLED display panel provided by the invention, specific steps
Are as follows:
Step 1: full wafer rotatory polarization piece is cut: the rotatory polarization piece of full wafer is cut into several small-sized rotatory polarization pieces, it is described small
The size of type rotatory polarization piece is slightly larger than or is equal to the size of flexible OLED display panel；The small-sized rotatory polarization piece is examined
It looks into, rejects defective products；
Step 2: alignment operation: by L-type card and mold, the small-sized rotatory polarization piece and the flexibility OLED being shown
One angle of panel is proofreaded, and realizes whole contraposition；
Step 3: fitting operation: the small-sized rotatory polarization piece after whole contraposition being fitted to the flexibility OLED and is shown
On panel；Form the OLED display panel with rotatory polarization piece；
Step 4: cutting correction of the flank shape: device is cut by laser in the OLED display panel with rotatory polarization piece and is cut
Finishing, is cut into the OLED display panel with rotatory polarization piece of target size and shape；The laser cutter is that UV laser is cut
Cutter.
Preferably, in step 1, the flexibility OLED display panel is rectangle；It is described with rotatory polarization piece in step 4
The target size of OLED display panel is profiled shape or regular shape or the combination with hole shape or various shapes.
Preferably, the small-sized rotatory polarization piece is 0.1-0.5mm longer than the side length of the flexible OLED display panel.
Preferably, in step 4, a workbench, the laser cutter are equipped under the flexible OLED display panel
The cutting path of the laser of transmitting is equipped with cooling groove, and the upper surface of workbench, laser penetration is arranged in the cooling groove
The OLED display panel with rotatory polarization piece, in cooling groove described in directive.
Preferably, the flexible OLED display panel is narrow frame flexibility OLED display panel.
The present invention also provides application of the above method in the cutting of narrow frame flexibility OLED display panel.
The utility model has the advantages that a kind of rotatory polarization piece applying method of flexible OLED display panel provided by the invention, cuts in sheet
It is improved after cutting technique, compared to the prior art, reduces in the past because contraposition is inaccurate, generate the deviation risk of fitting, mention
The high precision of product, shortens product preparation time, especially suitable for the cutting to narrow frame display panel.In addition, using
Die surface cooling groove, realize laser cutter cutting when, guarantee laser beam well penetrate, reduce to laser
To flexible OLED display panel damage risk.Therefore, this improvement, the production for entire flexible OLED display panel is suitable
Significant progress.
Detailed description of the invention
Fig. 1 is the flow diagram of comparative example.
Fig. 2 is the flow diagram of embodiment.
Fig. 3 is the structural schematic diagram of workbench.
In attached drawing: 1, workbench；2, suction hole；3, cooling groove；4, laser cutter；5, small-sized rotatory polarization piece；6, soft
Property OLED display panel.
Specific embodiment
The present invention is further illustrated below.
Comparative example
As shown in Figure 1, carrying out rotatory polarization piece, flexible OLED display panel by large stretch of cutting to small pieces, then carry out each
From abnormity cutting, cut to almost the same size shape, then by rotatory polarization piece, flexible OLED display panel contraposition, fitting, into
The whole cutting of row.
Embodiment
It as shown in Fig. 2, flexible OLED display panel is connected with each other after completing, but is not to connect completely
Together.When production, muti-piece flexibility OLED display panel is neatly arranged to be made together, and flexible OLED display panel is by very
What multilayer material laminated, every layer has respective function, but generally there was only protection/separation layer therein is adjacent several pieces of flexibilities
What OLED display panel was connected together.As long as so these are cut off with flexible base board, so that it may be formed separately individually
Flexible OLED display panel, but flexible OLED display panel at this moment is all rectangle, finished product is all special-shaped now, and also
Cutting correction of the flank shape in need or even borehole, such as the preceding camera hole of mobile phone, listening bore etc..
Large stretch of rotatory polarization piece is first cut into small-sized rotatory polarization piece, the general ruler of rotatory polarization piece of full wafer by the present invention, the first step
It is very little in 900mm × 700mm so that the size of small-sized rotatory polarization piece is slightly larger than or is equal to the size of flexible OLED display panel,
Here it is very high precision is not needed, because being all rectangle, cutting is convenient, and is only required to cover flexible OLED display surface
Plate.Then small-sized rotatory polarization piece is checked, rejects defective products.Flexible OLED display panel is also rectangle.In order to save material
Material and guarantee covering, small-sized rotatory polarization piece is 0.1-0.5mm longer than the side length of flexible OLED display panel can.
Second step, alignment operation: by L-type card and mold, by small-sized rotatory polarization piece and the one of flexible OLED display panel
A angle is proofreaded, and realizes whole contraposition；
Fitting operation: third step the small-sized rotatory polarization piece after whole contraposition is fitted in flexible OLED display panel；Shape
At the OLED display panel with rotatory polarization piece；Because of the small-sized rotatory polarization piece of this step of the invention and flexible OLED display panel
On be all rectangle, so fitting difficulty substantially reduce, substantially increase yields.
There are many kinds of the modes of fitting, such as rolling-type fitting, the fitting of manipulator plane, artificial fitting etc..
4th step, cuts correction of the flank shape again: device is cut by laser in the OLED display panel with rotatory polarization piece and is cut
Finishing, is cut into the OLED display panel with rotatory polarization piece of target size and shape；Laser cutter is UV laser cutter.
The target size of OLED display panel with rotatory polarization piece can be profiled shape or regular shape or with hole shape or a variety of shape
The combination of shape.Such as upper also earpiece aperture and the camera aperture of the Liu Haiping in current Mobile phone screen, Liu Haiping.Small-sized circle is inclined
Mating plate and OLED display panel are cut simultaneously, ensure that cutting after target shape the OLED display panel with rotatory polarization piece it is good
The all standing of product rate and rotatory polarization piece is particularly suitable for the preparation of narrow frame flexibility OLED display panel, and yields greatly improves,
Production efficiency also greatly improves.
In addition, it is anti-that reduction penetrates laser as shown in figure 3, guaranteeing that the laser beam penetrated well penetrates in order in cutting
It penetrates to flexible 6 damage risk of OLED display panel, the present invention is equipped with a workbench 1 under flexible OLED display panel 6, is swashing
The cutting path for the laser that light cutter 4 emits is equipped with cooling groove 3, and the upper surface of workbench 1 is arranged in cooling groove 3.
1 central location of workbench immediately below flexible OLED display panel 6 is intervally distributed with one group of air-breathing of upper and lower perforation workbench 1
Hole 2；When being cut, coolant liquid is placed in cooling groove 3.OLED display panel of the laser penetration with rotatory polarization piece, is penetrated
Into the cooling groove 3.
Through comparing, after the large stretch of cutting of flexible OLED display panel 6, simultaneously by small-sized rotatory polarization piece 5 and OLED display panel
Shape cutting greatly reduces the just not caused product quality fraction defective of the bring of shape cutting twice contraposition in comparative example.Separately
Outside, the quantity of suction hole can be multiple, and lower end is connect with asepwirator pump, when carrying out cutting panel using laser cutter,
Asepwirator pump is opened, panel is absorbed and fixed on workbench by suction hole.
Embodiment 1
According to the working principle of above-described embodiment, invention additionally discloses another embodiments:
The first step does not need the flexible OLED display surface for cut into connected flexible OLED display panel monolithic
Plate, the flexible OLED display panel that full wafer is connected, stock size are that 900mm × 700mm is placed into panel microscope carrier.It does not need yet
Small-sized rotatory polarization piece is cut into the rotatory polarization piece of large stretch of full wafer；Stock size is also 900mm × 700mm, also be can choose than this
Size slightly larger dimensions.
The flexible OLED display panel that full wafer is connected is carried out keeping to the side to align by second step, will be big by L-type card and mold
One angle of the flexible OLED display panel that piece rotatory polarization piece is connected with full wafer is proofreaded, and realizes whole contraposition；
Fitting operation: large stretch of rotatory polarization piece after whole contraposition is fitted to the connected flexible OLED of full wafer and shown by third step
Show on panel；Form large stretch of OLED display panel with rotatory polarization piece；
4th step cuts correction of the flank shape, device is cut by laser with the OLED display panel of rotatory polarization piece in sheet and is cut
Finishing, is cut into the target size of one piece of one piece of monolithic and the OLED display panel with rotatory polarization piece of shape.
In order to guarantee that the laser beam penetrated is well penetrated in cutting, reflection laser is reduced to flexible OLED display surface
Plate damage risk can be arranged one and keep up with one on corresponding position below each OLED display panel with rotatory polarization piece
Identical workbench described in a embodiment.
The present embodiment 1 does not need to be split the flexible OLED display panel that large stretch of rotatory polarization piece is connected with full wafer, and
It is laser cutting correction of the flank shape directly to be carried out, at the monolithic of multiple target shapes with the OLED of rotatory polarization piece after sheet contraposition fitting
Display panel.Whole flow process speed greatly improves, and substantially increases cutting efficiency.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of applying method of the rotatory polarization piece of flexibility OLED display panel, which is characterized in that specific steps are as follows:
Step 1: full wafer rotatory polarization piece is cut: the rotatory polarization piece of full wafer is cut into several small-sized rotatory polarization pieces, the small-sized circle
The size of polaroid is slightly larger than or is equal to the size of flexible OLED display panel；The small-sized rotatory polarization piece is checked,
Reject defective products；
Step 2: alignment operation: by L-type card and mold, by the small-sized rotatory polarization piece and the flexible OLED display panel
An angle proofreaded, realize whole contraposition；
Step 3: fitting operation: the small-sized rotatory polarization piece after whole contraposition is fitted to the flexible OLED display panel
On；Form the OLED display panel with rotatory polarization piece；
Step 4: cutting correction of the flank shape: device is cut by laser in the OLED display panel with rotatory polarization piece and carries out cutting finishing,
It is cut into the OLED display panel with rotatory polarization piece of target size and shape；The laser cutter is UV laser cutter.
2. applying method according to claim 1, it is characterised in that: in step 1, the flexibility OLED display panel is
Rectangle；In step 4, the target size of the OLED display panel with rotatory polarization piece is profiled shape or regular shape or band
The combination of hole shape or various shapes.
3. applying method according to claim 1, it is characterised in that: in step 1, described in the small-sized rotatory polarization piece ratio
The long 0.1-0.5mm of the side length of flexible OLED display panel.
4. applying method according to claim 1, it is characterised in that: in step 4, in the flexible OLED display panel
Under be equipped with a workbench, the cutting path of the laser of the laser cutter transmitting is equipped with cooling groove, and the cooling is recessed
Slot is arranged in the upper surface of workbench, the OLED display panel with rotatory polarization piece described in laser penetration, cooling groove described in directive.
5. applying method according to claim 1, it is characterised in that: the flexibility OLED display panel is that narrow frame is flexible
OLED display panel.
6. applying method described in any one of claim 1 to 5 is applied in the cutting of narrow frame flexibility OLED display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910383851.1A CN110224084B (en) | 2019-05-09 | 2019-05-09 | Method for attaching circular polarizer of flexible OLED display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910383851.1A CN110224084B (en) | 2019-05-09 | 2019-05-09 | Method for attaching circular polarizer of flexible OLED display panel |
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| Publication Number | Publication Date |
|---|---|
| CN110224084A true CN110224084A (en) | 2019-09-10 |
| CN110224084B CN110224084B (en) | 2021-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910383851.1A Active CN110224084B (en) | 2019-05-09 | 2019-05-09 | Method for attaching circular polarizer of flexible OLED display panel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021184210A1 (en) * | 2020-03-17 | 2021-09-23 | 京东方科技集团股份有限公司 | Display panel, display device and fabrication method for display panel |
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