CN114464752A - OLED panel and dispensing method thereof - Google Patents
OLED panel and dispensing method thereof Download PDFInfo
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- CN114464752A CN114464752A CN202011241168.3A CN202011241168A CN114464752A CN 114464752 A CN114464752 A CN 114464752A CN 202011241168 A CN202011241168 A CN 202011241168A CN 114464752 A CN114464752 A CN 114464752A
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- glue
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000003292 glue Substances 0.000 claims abstract description 120
- 230000000903 blocking effect Effects 0.000 claims abstract description 29
- 239000000758 substrate Substances 0.000 claims abstract description 17
- 239000010410 layer Substances 0.000 claims description 19
- 239000005357 flat glass Substances 0.000 claims description 16
- 230000004888 barrier function Effects 0.000 claims description 11
- 230000003287 optical effect Effects 0.000 claims description 11
- 239000012790 adhesive layer Substances 0.000 claims description 4
- 239000004568 cement Substances 0.000 claims description 2
- 239000006059 cover glass Substances 0.000 description 10
- 239000000853 adhesive Substances 0.000 description 9
- 230000001070 adhesive effect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 239000006260 foam Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/842—Containers
- H10K50/8426—Peripheral sealing arrangements, e.g. adhesives, sealants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/26—Processes for applying liquids or other fluent materials performed by applying the liquid or other fluent material from an outlet device in contact with, or almost in contact with, the surface
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/1201—Manufacture or treatment
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/60—OLEDs integrated with inorganic light-sensitive elements, e.g. with inorganic solar cells or inorganic photodiodes
- H10K59/65—OLEDs integrated with inorganic image sensors
-
- 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
Abstract
The invention relates to the technical field of display equipment, and provides an OLED panel and a dispensing method thereof. The OLED panel is including locating the display area on the array substrate and locating blind hole district in the display area, the blind hole district includes: a hole region; a routing area surrounding the hole area; and the blocking piece is arranged on the wiring area and comprises a first annular blocking piece surrounding the hole area and provided with a glue overflow outlet and a second blocking piece at least surrounding the glue overflow outlet, the height of at least the second blocking piece is equal to that of the display area, and a glue overflow space is formed between the first annular blocking piece and the second blocking piece. According to the invention, the overflow glue outlet and the overflow glue space are formed through the structural design of the blocking piece, so that the filling glue overflows from the overflow glue outlet to the overflow glue space when the OLED panel is subjected to glue dispensing, the glue filling amount is ensured, the overflow glue is controlled within a controllable range, and the failure risk in the dispensing process of the OLED panel is avoided.
Description
Technical Field
The invention relates to the technical field of display equipment, in particular to an OLED panel and a dispensing method thereof.
Background
A camera of an OLED (Organic Light-Emitting Diode) display screen is usually disposed in a display area with a blind hole, and the camera is disposed below the blind hole.
Fig. 1 shows a main structure of an existing OLED display, and referring to fig. 1, a camera 11 is disposed corresponding to a blind hole 12, and an area of the blind hole 12 is filled with filling glue 13 to implement encapsulation. At the periphery of the blind hole 12, a ring of columns 14 is arranged to block the filling glue 13 from overflowing.
The existing structure for blocking the overflow of the filling adhesive 13 through a circle of column 14 has the following problems:
on the one hand, due to the height H of the pillars 14 from the substrate 151And the in-plane height H2That is, the height of the display area 16 is consistent, if the filling amount of the filling adhesive 13 exceeds, the excess filling adhesive 13 will overflow the range defined by the column 14 during the pressing process of the cover plate 17, and the overflow width is difficult to control; if the filling paste 13 overflows into the display area 16, display abnormality may be caused.
On the other hand, if the filling amount of the filling adhesive 13 is insufficient, bubbles may appear in the area of the blind hole 12 during the pressing process of the cover plate 17, which affects the packaging performance of the OLED display.
It is to be noted that the information disclosed in the above background section is only for enhancement of understanding of the background of the invention and therefore may include information that does not constitute prior art that is already known to a person of ordinary skill in the art.
Disclosure of Invention
In view of the above, the present invention provides an OLED panel and a dispensing method thereof, in which an overflow outlet and an overflow space are formed by a structural design of a blocking member, so that when dispensing is performed on the OLED panel, the filling glue overflows from the overflow outlet to the overflow space, the filling amount is ensured, the overflow is controlled within a controllable range, and the failure risk in the dispensing process of the OLED panel is avoided.
One aspect of the present invention provides an OLED panel including a display area disposed on an array substrate and a blind via area disposed in the display area, the blind via area including: a hole region; a routing area surrounding the hole area; and the blocking piece is arranged on the wiring area and comprises a first annular blocking piece surrounding the hole area and provided with a glue overflow outlet and a second blocking piece at least surrounding the glue overflow outlet, the height of at least the second blocking piece is equal to that of the display area, and a glue overflow space is formed between the first annular blocking piece and the second blocking piece.
In some embodiments, the second stopper is a second annular stopper surrounding the first annular stopper, the height of the first annular stopper is lower than that of the second annular stopper, and the height difference between the first annular stopper and the second annular stopper forms the overflow outlet.
In some embodiments, the height of the first annular stopper is equal to the height of the second stopper, the first annular stopper is provided with a plurality of first open grooves distributed at regular intervals, and at least the first open grooves form the overflow outlet.
In some embodiments, the second stop is a second annular stop that surrounds the first annular stop; alternatively, the second stopper includes a plurality of arc-shaped stoppers that respectively surround the plurality of first open grooves.
In some embodiments, the second stopper includes a plurality of layers of annular stoppers surrounding the first annular stopper, wherein each intermediate layer of annular stopper located between the outermost layer of annular stopper and the first annular stopper is provided with a plurality of second open grooves distributed at regular intervals, and the first open grooves and the second open grooves together form the glue overflow outlet.
In some embodiments, the second stopper is concentric with the first annular stopper, each second opening groove and each first opening groove are staggered in a circumferential direction, and a reciprocating bent glue overflow path is formed between the first annular stopper and the outermost annular stopper.
In some embodiments, the open slot is opened from the top along the height direction, and the open slot is a slot structure opened through or a slot structure opened partially.
In some embodiments, the OLED panel further comprises: the frame surrounds the display area, and the height of at least the second stopper is equal to that of the frame; and the cover plate glass is covered above the array substrate and supported by the frame and the at least second stopper together, the cover plate glass faces the first surface of the blind hole area, and a glue overflow groove is arranged in a glue filling area surrounded by the first annular stopper.
In some embodiments, the OLED panel further comprises: the light shading piece is embedded in the second surface of the cover plate glass, which is far away from the blind hole area, and the position of the light shading piece corresponds to the position of the wiring area; the polarizing layer covers the cover plate glass, and transparent optical cement is arranged in the polarizing layer corresponding to the hole area; and the cover plate layer is adhered to the polarizing layer through a transparent optical adhesive layer.
Another aspect of the present invention provides a dispensing method for an OLED panel, including: providing an OLED panel as described in any of the above embodiments; filling glue into a glue filling area surrounded by the first annular stopper until the glue filling area is filled with the filling glue and the filling height is higher than the height of the first annular stopper; and pressing cover plate glass above the array substrate until at least the second stopper supports the cover plate glass, and after the filling glue fills the pressing area of the cover plate glass relative to the glue filling area, the cover plate glass overflows from the glue overflow outlet to the glue overflow space.
Compared with the prior art, the invention has the beneficial effects that at least:
through the structural design of the blocking piece, an overflow glue outlet positioned on the first annular blocking piece and an overflow glue space positioned between the first annular blocking piece and the second blocking piece are formed, so that the situation that the filling glue overflows from the overflow glue outlet to the overflow glue space when the dispensing of the OLED panel is carried out is realized, and the sufficient filling amount is ensured; and the height of at least the second stopper is equal to the height of the display area, so that the overflowing glue is controlled within a controllable range, the filling glue is prevented from overflowing to the display area, and the failure risk in the dispensing process of the OLED panel is avoided.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic diagram of a prior art OLED display screen;
FIG. 2 is a schematic top view of an OLED panel according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional structural view of an OLED panel in an embodiment of the present invention;
FIGS. 4 to 7 are schematic top views of the barrier according to the embodiment of the present invention;
FIG. 8 is a schematic view illustrating the structure of the open slot of the first annular stop in an embodiment of the present invention;
FIG. 9 is a schematic diagram illustrating a process of a method for dispensing an OLED panel according to an embodiment of the present invention; and
fig. 10 is a schematic diagram illustrating a structure of an OLED panel after dispensing in an embodiment of the invention.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art.
Furthermore, the drawings are merely schematic illustrations of the invention and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted. The use of "first," "second," and similar terms in the detailed description is not intended to imply any order, quantity, or importance, but rather is used to distinguish one element from another. It should be noted that features of the embodiments of the invention and of the different embodiments may be combined with each other without conflict.
Fig. 2 shows a top view structure of the OLED panel, fig. 3 shows a cross-sectional structure of the OLED panel, and with reference to fig. 2 and fig. 3, the OLED panel in this embodiment includes a display area 21 disposed on the array substrate 2 and a blind via area 22 disposed in the display area 21, where the blind via area 22 includes: a hole region 221; a trace region 222 surrounding the hole region 221; anda barrier disposed on the routing region 222, the barrier including a first annular barrier 31 surrounding the hole region 221 and having an overflow outlet 310, a second barrier 32 surrounding at least the overflow outlet 310, and a height H of at least the second barrier 323(referring to the height of the top of the second stopper 32 from the array substrate 2) is equal to the height H of the display area 214(referring to the in-plane height of the display area 21), an overflow space 33 is formed between the first annular stopper 31 and the second stopper 32.
The blind hole area 22 shown in fig. 2 is disposed in the upper middle area of the display area 21, and in other embodiments, the position of the blind hole area 22 may be adjusted according to the installation requirement of the camera.
The OLED panel of the above embodiment forms the glue overflow outlet 310 located on the first annular stopper 31 and the glue overflow space 33 located between the first annular stopper 31 and the second stopper 32 through the structural design of the stopper, so that the filled glue overflows from the glue overflow outlet 310 to the glue overflow space 33 when the dispensing of the OLED panel is performed, and a sufficient glue filling amount is ensured; and at least the height H of the second stopper 323Equal to the height H of the display area 214Therefore, the overflow glue is controlled within a controllable range, the overflow of the filling glue to the display area 21 is avoided, and the failure risk in the dispensing process of the OLED panel is prevented.
In one embodiment, referring to fig. 3, the second stopper 32 is a second annular stopper surrounding the first annular stopper 31, and the height H of the first annular stopper 315(refer to the height of the top of the first annular stopper 31 from the array substrate 2) is lower than the height H of the second annular stopper3The height difference between the first annular stopper 31 and the second annular stopper forms the overflow outlet 310.
In the above embodiment, when the glue filling area 220 surrounded by the first annular stopper 31 is filled with glue, if the filling glue overflows, the filling glue overflows from the glue overflow outlet 310 of the first annular stopper 31 into the glue overflow space 33 between the first annular stopper 31 and the second annular stopper, the glue overflow range is controlled while the glue filling amount is ensured, and the glue overflow outlet 310 is located at the top of the first annular stopper 31, so as to ensure that the filling glue overflows into the glue overflow space 33 after filling the glue filling area 220, thereby improving the packaging performance of the OLED panel.
In another embodiment, the height of the first annular stopper 31 is equal to the height of the second stopper 32, the first annular stopper 31 is provided with a plurality of first opening grooves 311 distributed at intervals, and at least the first opening grooves 311 form an overflow outlet.
As shown in fig. 4, fig. 5 and fig. 8, in the routing area 222, the first annular blocking member 31 is provided with a plurality of first open grooves 311 along the height direction "Y" from the top thereof, and the first open grooves 311 serve as glue overflow outlets, and a glue overflow space 33 is formed in a region between the first open grooves 311 and the second blocking member 32. The first open grooves 311 distributed at even intervals can ensure that the glue overflow at each position is equal, and local impact caused by glue overflow is avoided.
Referring to fig. 4, the second stopper 32 is embodied as a second annular stopper surrounding the first annular stopper 31, or referring to fig. 5, the second stopper 32 includes a plurality of arc-shaped stoppers surrounding the plurality of first open grooves 311, respectively.
Referring to fig. 8, the first opening groove 311 is a groove structure formed through or partially formed, so that the height of the first annular stopper 31 is lower than that of the second stopper 32 at the first opening groove 311, thereby forming an overflow outlet.
In the above embodiment, when the glue filling area surrounded by the first annular stopper 31 is filled with glue, if the filling glue 4 overflows, the filling glue overflows from the first opening groove 311 of the first annular stopper 31 into the glue overflow space 33 between the first annular stopper 31 and the second annular stopper 32, so as to ensure the glue filling amount, so that the filling glue 4 overflows into the glue overflow space 33 after filling the glue filling area, and at the same time, the glue overflow range is controlled, thereby improving the packaging performance of the OLED panel.
Further, as shown in fig. 6 and 7, the second stopper 32 may include a plurality of annular stoppers surrounding the first annular stopper 31, wherein each of the intermediate annular stoppers 321 located between the outermost annular stopper 322 and the first annular stopper 31 is provided with a plurality of second open grooves 320 distributed at intervals, and the first open groove 311 and the second open grooves 320 together form an overflow outlet.
The second opening groove 320 has a structure similar to that of the first opening groove 311, and is formed along the height direction from the top of the middle-layer annular stopper 321 to form a through groove structure or a partially formed groove structure, thereby providing a multi-layer flash buffer.
Further, with continued reference to fig. 7, the second stopper 32, including the respective intermediate-layer annular stoppers 321 (not limited by the number shown) and the outermost-layer annular stopper 322, is concentric with the first annular stopper 3. Moreover, the second opening grooves 320 and the first opening grooves 311 are staggered along the circumferential direction, so that a reciprocating bent glue overflow path P is formed between the first annular stopper 31 and the outermost annular stopper 322. Therefore, the glue overflow at each position of the routing area 222 is uniform, and the glue overflow space 33 is fully utilized, thereby avoiding the risk of failure caused by direct impact on the outermost annular stopper 322 during glue overflow.
Of course, the structural design of the blocking member recited in the above embodiments is only an example, and based on the inventive concept of forming the glue overflow outlet and the glue overflow space of the present invention, other diversified designs may be performed on the structure of the blocking member to achieve that the filling glue overflows from the glue overflow outlet to the glue overflow space when dispensing the OLED panel, so as to ensure the glue filling amount, and the glue overflow is controlled within a controllable range, thereby avoiding the failure risk of the filling process.
In the above embodiments, referring to fig. 3, the first annular barrier 31 is preferably disposed in the middle of the routing region 222, and the second barrier 32 is preferably disposed at the edge of the routing region 222 close to the display region 21. The camera 5 is disposed under the array substrate 2, corresponding to the hole region 221. Under the array substrate 2, a foam structure 51 is disposed at the periphery of the blind via region 22, and the aperture of the foam structure is slightly larger than that of the blind via region 22.
In one specific example, the array substrate 2 is an LTPS (Low Temperature polysilicon) substrate.
Further, as shown in fig. 2 and 3, the OLED panel further includes: the frame 20, surrounding the display area 21, at least the height H of the second stopper 323Equal to the height H of the frame6(ii) a And a cover glass 6 covering the array substrate 2 and supported by the frame 20 and at least the second stopper 32. The cover glass 6 faces the first surface of the blind hole region 22, and an adhesive overflow groove 60 is formed corresponding to the adhesive filling region 220 surrounded by the first annular stopper 31. The glue overflow groove 60 can further control the filling glueAnd (6) overflowing.
The light shielding piece 61 is embedded in the second surface of the cover glass 6 away from the blind hole region 22, and the position of the light shielding piece 61 corresponds to the position of the routing region 222. In one specific example, the light-shielding member 61 is metal molybdenum (Mo).
And a polarizing layer 7 covering the cover glass 6, wherein the transparent optical adhesive 71 is disposed on the polarizing layer 7 corresponding to the hole region 221. In one specific example, the transparent optical glue 71 is an optically Clear resin ocr (optical Clear resin). And a cover plate layer 9 adhered to the polarizing layer 7 through a transparent optical adhesive layer 8. In one specific example, transparent optical Adhesive layer 8 is an OCA optical Adhesive (optical Clear Adhesive).
The embodiment of the invention further provides a dispensing method of an OLED panel, fig. 9 shows main steps of the dispensing method of the OLED panel, and referring to fig. 9, the dispensing method of the OLED panel in the embodiment includes: in step S110, an OLED panel is provided, and the structure of the OLED panel is as described in any of the above embodiments, for example, with reference to fig. 3; in step S120, a glue filling area surrounded by the first annular stopper is filled with glue until the glue filling area is filled with the glue filling height higher than the height of the first annular stopper; and in step S130, pressing the cover glass on the array substrate until at least the second stopper supports the cover glass, and after the filling glue fills the pressing area of the cover glass corresponding to the glue filling area, the cover glass overflows from the glue overflow outlet to the glue overflow space.
Fig. 10 shows the structure of the OLED panel after dispensing, and referring to fig. 3 and 10, the glue filling region 220 surrounded by the first annular stopper 31 is filled with glue, and the cover glass 6 is pressed, the glue filling region 220 surrounded by the first annular stopper 31 and the pressing region (located in the region where the glue overflow groove 60 is located) of the cover glass 6 relative to the glue filling region 220 are filled with the glue filling (shown by dot-shaped hatching in fig. 10), so as to eliminate air bubbles, and the excess glue filling overflows from the glue overflow outlet 310 to the glue overflow space 33.
In summary, the invention forms the glue overflow outlet 310 located on the first annular stopper 31 and the glue overflow space 33 located between the first annular stopper 31 and the second annular stopper 32 through the structural design of the stopper, so as to realize that the filling glue overflows from the glue overflow outlet 310 to the glue overflow space 33 when dispensing the OLED panel, thereby ensuring a sufficient glue filling amount; and the height of at least the second stopper 32 is equal to the height of the display area 21, so that the overflowing glue is controlled within a controllable range, the filling glue is prevented from overflowing to the display area 21, and the failure risk in the dispensing process of the OLED panel is prevented.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (10)
1. An OLED panel comprising a display area disposed on an array substrate and a blind hole area disposed in the display area, wherein the blind hole area comprises:
a hole region;
a routing area surrounding the hole area; and
the blocking piece is arranged on the wiring area and comprises a first annular blocking piece surrounding the hole area and provided with a glue overflow outlet, and a second blocking piece at least surrounding the glue overflow outlet, wherein the height of the second blocking piece is equal to that of the display area, and a glue overflow space is formed between the first annular blocking piece and the second blocking piece.
2. The OLED panel of claim 1, wherein the second stopper is a second annular stopper surrounding the first annular stopper, the first annular stopper has a height lower than the second annular stopper, and the difference in height between the first annular stopper and the second annular stopper forms the flash outlet.
3. The OLED panel of claim 1, wherein the first annular barrier has a height equal to that of the second barrier, the first annular barrier is provided with a plurality of first open grooves uniformly spaced apart, and at least the first open grooves form the flash outlets.
4. The OLED panel of claim 3, wherein the second stop is a second annular stop that surrounds the first annular stop; or
The second stopper includes a plurality of arc-shaped stoppers that respectively surround the plurality of first open grooves.
5. The OLED panel of claim 3, wherein the second stop comprises a plurality of annular stops surrounding the first annular stop, wherein each intermediate annular stop between the outermost annular stop and the first annular stop is provided with a plurality of second open slots evenly spaced apart, the first open slots and the second open slots collectively forming the flash outlets.
6. The OLED panel of claim 5, wherein the second stopper is concentric with the first annular stopper, each second opening groove is circumferentially staggered from each first opening groove, and a reciprocating bent flash path is formed between the first annular stopper and the outermost annular stopper.
7. The OLED panel of any one of claims 3 to 6, wherein the open trench is open in a height direction from a top portion, and the open trench is a through-opened trench structure or a partially opened trench structure.
8. The OLED panel of claim 1, further comprising:
the frame surrounds the display area, and the height of at least the second stopper is equal to that of the frame; and
the cover plate glass covers the array substrate and is supported by the frame and the at least second stopper together, the cover plate glass faces the first surface of the blind hole area, and a glue overflow groove is formed in a glue filling area surrounded by the first annular stopper correspondingly.
9. The OLED panel of claim 8, further comprising:
the light shading piece is embedded in the second surface of the cover plate glass, which is far away from the blind hole area, and the position of the light shading piece corresponds to the position of the wiring area;
the polarizing layer covers the cover plate glass, and transparent optical cement is arranged in the polarizing layer corresponding to the hole area; and
and the cover plate layer is adhered to the polarizing layer through a transparent optical adhesive layer.
10. A dispensing method of an OLED panel is characterized by comprising the following steps:
providing an OLED panel according to any one of claims 1-9;
filling glue into a glue filling area surrounded by the first annular stopper until the glue filling area is filled with the filling glue and the filling height is higher than the height of the first annular stopper; and
and pressing cover plate glass above the array substrate until at least the second stopper supports the cover plate glass, and after the cover plate glass is filled in a pressing area corresponding to the glue filling area, the cover plate glass overflows from the glue overflow outlet to the glue overflow space.
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| CN202011241168.3A CN114464752A (en) | 2020-11-09 | 2020-11-09 | OLED panel and dispensing method thereof |
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| CN202011241168.3A CN114464752A (en) | 2020-11-09 | 2020-11-09 | OLED panel and dispensing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116393340A (en) * | 2023-03-20 | 2023-07-07 | 厦门微亚智能科技有限公司 | Method, system and storage medium for improving bubbles in blind holes of full screen |
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