CN114156307A - Flexible OLED display panel with fluorescent light emitting layer - Google Patents

Flexible OLED display panel with fluorescent light emitting layer Download PDF

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Publication number
CN114156307A
CN114156307A CN202010930542.4A CN202010930542A CN114156307A CN 114156307 A CN114156307 A CN 114156307A CN 202010930542 A CN202010930542 A CN 202010930542A CN 114156307 A CN114156307 A CN 114156307A
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CN
China
Prior art keywords
layer
heat dissipation
fluorescent light
display panel
oled display
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Pending
Application number
CN202010930542.4A
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Chinese (zh)
Inventor
孔善右
张仕明
黄德云
葛栋
李丽咱
任军
韦华
朱崇芝
王国庆
王梓
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Jiangsu Shibang Flexible Electronics Research Institute Co ltd
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Jiangsu Shibang Flexible Electronics Research Institute Co ltd
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Application filed by Jiangsu Shibang Flexible Electronics Research Institute Co ltd filed Critical Jiangsu Shibang Flexible Electronics Research Institute Co ltd
Priority to CN202010930542.4A priority Critical patent/CN114156307A/en
Publication of CN114156307A publication Critical patent/CN114156307A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10OLED displays
    • H10K59/12Active-matrix OLED [AMOLED] displays
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating 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
    • G09F9/301Indicating 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
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00Organic light-emitting devices
    • H10K50/80Constructional details
    • H10K50/84Passivation; Containers; Encapsulations
    • H10K50/844Encapsulations
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00Organic light-emitting devices
    • H10K50/80Constructional details
    • H10K50/87Arrangements for heating or cooling

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Electroluminescent Light Sources (AREA)

Abstract

The invention belongs to the technical field of display, and particularly relates to a flexible OLED display panel with a fluorescent light-emitting layer, which comprises: a flexible substrate; the buffer layer is prepared on the flexible substrate; the thin film transistor layer is prepared on the buffer layer; the fluorescent light-emitting layer is prepared on the thin film transistor layer; the heat dissipation layer is prepared on the side surface of the periphery of the fluorescent light emitting layer, wherein a plurality of heat dissipation through holes are uniformly distributed in the heat dissipation layer, and a plurality of first silicone grease particles are uniformly and equivalently filled on two sides of each heat dissipation through hole respectively; the first packaging layer is prepared on the fluorescent light-emitting layer and covers the surfaces of the fluorescent light-emitting layer and the heat dissipation layer; the invention solves the problems of more heat production and poor heat dissipation of the OLED display panel and prolongs the service life of the OLED display panel.

Description

Flexible OLED display panel with fluorescent light emitting layer
Technical Field
The invention belongs to the technical field of display, and particularly relates to a flexible OLED display panel with a fluorescent light emitting layer.
Background
Compared with many displays, the OLED display panel has many advantages of active light emission, high contrast ratio, no viewing angle limitation, and the like, and particularly, the advantages of the flexible OLED display panel are more obvious. The flexible OLED display panel is lighter and thinner in size, power consumption is lower than that of an original device, endurance capacity of equipment is improved, and meanwhile based on the characteristics of flexibility and good flexibility, the durability of the flexible OLED display panel is greatly higher than that of a conventional screen, and probability of accidental damage of the equipment is reduced. Therefore, the flexible OLED display panel is now widely used in the display technology field, and will become the mainstream of OLED display consumption in the future. The lifetime of the OLED elements in flexible OLED display panels is however a significant bottleneck in their development.
However, the lifetime of OLED elements in flexible OLED display panels is a significant bottleneck in their development: on one hand, in the process of developing a flexible OLED display technology, when a flexible OLED display panel is curled, the barrier layers have different bending stresses at different positions, and in areas with larger bending degrees, the barrier layers are easy to be cracked, so that the packaging effect is influenced; on the other hand, the OLED display panel generates much heat, which is a problem for the lifetime of the OLED display panel.
Disclosure of Invention
The invention provides a flexible OLED display panel with a fluorescent light-emitting layer, and aims to solve the problem that the service life of the OLED display panel is influenced because a barrier layer in the conventional flexible OLED display panel in the background art is easy to crack and generates more heat.
In order to achieve the purpose, the invention provides the following technical scheme: a flexible OLED display panel having a fluorescent light emitting layer includes:
a flexible substrate;
the buffer layer is prepared on the flexible substrate;
the thin film transistor layer is prepared on the buffer layer;
the fluorescent light-emitting layer is prepared on the thin film transistor layer;
the heat dissipation layer is prepared on the side surface of the periphery of the fluorescent light emitting layer, wherein a plurality of heat dissipation through holes are uniformly distributed in the heat dissipation layer, and a plurality of first silicone grease particles are uniformly and equivalently filled on two sides of each heat dissipation through hole respectively;
the first packaging layer is prepared on the fluorescent light-emitting layer and covers the surfaces of the fluorescent light-emitting layer and the heat dissipation layer;
the sealing heat dissipation glue is arranged on the side face of the periphery of the OLED display panel and comprises UV glue and second silicone grease particles uniformly distributed in the UV glue;
the barrier layer is prepared on the side face of the periphery of the first packaging layer and comprises a plurality of discontinuous barrier units, and the barrier units are arranged in a chain manner;
and the second packaging layer is prepared on the barrier layer and covers the first packaging layer and the surface of the barrier layer.
Preferably, the sealing heat dissipation glue comprises a first sealing heat dissipation glue layer and a second sealing heat dissipation glue layer which are distributed from one side close to the OLED display panel to the outer side, and the first sealing heat dissipation glue layer and the second sealing heat dissipation glue layer are filled with the second silicone grease particles with different concentrations.
Preferably, the number of the second silicone grease particles in the first sealing heat dissipation adhesive layer is less than the number of the second silicone grease particles in the second sealing heat dissipation adhesive layer.
Preferably, the sealing heat dissipation glue covers the flexible substrate, the buffer layer, the thin-film transistor layer and the side face of the fluorescent light emitting layer.
Preferably, the flexible substrate includes first polyimide layer and the second polyimide layer that sets gradually, first polyimide layer upper surface has the first protruding top surface that a plurality of is even, the equidistance sets up, second polyimide layer lower surface with on the first polyimide layer first protruding top surface forms unsmooth complex structure.
Preferably, the buffer layer is including the first buffer layer and the second buffer layer that set gradually, first buffer layer upper surface has the protruding top surface of the even, equidistance of second that a plurality of set up, second buffer layer lower surface have with the protruding top surface of the third that a plurality of that the mistake set up between the protruding top surface of second on the first buffer layer was even, the equidistance set up, the protruding top surface of second on the first buffer layer with second buffer layer lower surface forms unsmooth complex structure, the protruding top surface of third on the second buffer layer with first buffer layer upper surface forms unsmooth complex structure.
Preferably, the first silicone grease particles and the second silicone grease particles are the same heat absorbing particulate matter.
Preferably, the barrier layer comprises a plurality of first barrier units and a plurality of second barrier units, the first barrier units and the second barrier units are both C-shaped, and the adjacent first barrier units and the adjacent second barrier units are connected end to end.
Preferably, one end of the sealing heat dissipation adhesive at least extends to the lower surface of the flexible substrate, and the other end of the sealing heat dissipation adhesive at least extends to the side surface of the first packaging layer.
Compared with the prior art, the invention has the beneficial effects that: the heat generated in the luminescent process of the fluorescent luminescent layer is guided into the sealing heat dissipation glue through the heat dissipation through holes in the heat dissipation layer, the first silicone grease particles in the heat dissipation layer also absorb heat into the sealing heat dissipation glue, and the second silicone grease particles in the sealing heat dissipation glue absorb and dissipate the heat to the outside, so that the problems of more heat generation and poor heat dissipation of the OLED display panel are solved, and the service life of the OLED display panel is prolonged; the concave-convex matched structure is formed between the first polyimide layer and the second polyimide layer through the top surface of the first protrusion, and the concave-convex matched structure is formed between the first buffer layer and the second buffer layer, so that the area of a contact surface between the first polyimide layer and the second polyimide layer is increased, the area of a contact surface between the first buffer layer and the second buffer layer is also increased, the stress generated by each film layer in the bending process is eliminated and dispersed, and the bending and folding characteristics of the flexible OLED display panel are realized; effectively block first encapsulation layer diffusion through the barrier layer, make first encapsulation layer play the effect of separation water oxygen to the periphery of OLED device to when flexible OLED display panel curls, the stress on the first encapsulation layer that contacts with the barrier layer has the space of release, is favorable to eliminating stress, prevents to cause droing or being damaged of first encapsulation layer because of flexible OLED display panel curls.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic structural diagram of a barrier layer according to the present invention;
in the figure: 1-flexible substrate, 11-first polyimide layer, 111-first protrusion top surface, 12-second polyimide layer, 2-buffer layer, 21-first buffer layer, 211-second protrusion top surface, 22-second buffer layer, 221-third protrusion top surface, 3-thin film transistor layer, 4-fluorescent light-emitting layer, 5-heat dissipation layer, 51-heat dissipation through hole, 52-first silicone grease particle, 6-first packaging layer, 7-sealing heat dissipation adhesive, 71-first sealing heat dissipation adhesive layer, 72-second sealing heat dissipation adhesive layer, 73-second silicone grease particle, 8-barrier layer, 81-first barrier unit, 82-second barrier unit and 9-second packaging layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a flexible OLED display panel having a fluorescent light emitting layer, comprising:
a flexible substrate 1;
the buffer layer 2 is prepared on the flexible substrate 1;
the thin film transistor layer 3 is prepared on the buffer layer 2;
the fluorescent light-emitting layer 4 is prepared on the thin film transistor layer 3;
the heat dissipation layer 5 and the heat dissipation layer 6 are prepared on the side surfaces of the periphery of the fluorescent light emitting layer 4, wherein a plurality of heat dissipation through holes 51 are uniformly distributed in the heat dissipation layer 5, and a plurality of first silicone grease particles 52 are uniformly and equivalently filled on two sides of each heat dissipation through hole 51;
the first packaging layer 6 is prepared on the fluorescent light-emitting layer 4, and the first packaging layer 6 covers the surfaces of the fluorescent light-emitting layer 4 and the heat dissipation layer 5;
the sealing heat dissipation glue 7 is arranged on the side face of the periphery of the OLED display panel, and the sealing heat dissipation glue 7 comprises UV glue and second silicone grease particles 73 uniformly distributed in the UV glue;
the barrier layer 8 is prepared on the side face of the periphery of the first packaging layer 6, the barrier layer 8 comprises a plurality of discontinuous barrier units, and the barrier units are arranged in a chain manner;
and a second packaging layer 9, wherein the second packaging layer 9 is prepared on the barrier layer 8, and the second packaging layer 9 covers the surfaces of the first packaging layer 6 and the barrier layer 8.
In this embodiment, the heat generated by the light emission of the fluorescent light emitting layer 4 is dissipated to the periphery, other devices in the OLED display panel also generate heat when operating, a part of the generated total heat can be dissipated to the sealed heat dissipating adhesive 7 through the heat dissipating through holes 51 in the heat dissipating layer 5, the heat dissipating layer 5 is a film layer surrounding the peripheral side of the fluorescent light emitting layer 4 for dissipating heat, the heat dissipating through holes 51 are uniformly distributed around the heat dissipating layer 5, which is beneficial to uniformly dissipating heat through the heat dissipating through holes 51, and the first silicone grease particles 52 are disposed on both sides of each heat dissipating through hole 51, the first silicone grease particles 52 can absorb another part of the heat, the first silicone grease particles 52 conduct the absorbed heat to the sealed heat dissipating adhesive 7, the second silicone grease particles 73 mixed in the UV adhesive in the sealed heat dissipating adhesive 7 can absorb and dissipate the conducted heat to the outside, and can dissipate the heat generated in the OLED display panel, the service life of OLED display panel has been prolonged, barrier layer 8 is used for OLED display panel when curling, effectively block first encapsulation layer 6 diffusion through barrier layer 8, make first encapsulation layer play the effect of separation water oxygen to the periphery of OLED device, be a plurality of discontinuous that the chain set up and block the unit, make the space that has the release with the stress on the first encapsulation layer 6 of barrier layer 8 contact, be favorable to eliminating stress, prevent to curl because of flexible OLED display panel and cause the coming off or being damaged of first encapsulation layer 6.
Further, the sealing heat dissipation adhesive 7 includes a first sealing heat dissipation adhesive layer 71 and a second sealing heat dissipation adhesive layer 72 which are distributed from one side close to the OLED display panel to the outside, and second silicone grease particles 73 with different concentrations are filled in the first sealing heat dissipation adhesive layer 71 and the second sealing heat dissipation adhesive layer 72.
In the present embodiment, heat is absorbed by the second silicone grease particles 73 in the first sealing heat dissipation adhesive layer 71 through the heat dissipation layer 5, and the second silicone grease particles 73 in the second sealing heat dissipation adhesive layer 72 absorb the heat in the first sealing heat dissipation adhesive layer 71 and finally dissipate the heat to the outside.
Further, the number of the second silicone grease particles 73 in the first sealing heat dissipation adhesive layer 71 is smaller than the number of the second silicone grease particles 73 in the second sealing heat dissipation adhesive layer 72.
In the present embodiment, the number of the second silicone grease particles 73 in the first sealing heat dissipation adhesive layer 71 is small, the number of the second silicone grease particles 73 in the second sealing heat dissipation adhesive layer 72 is large, and the heat absorption capacity of the first sealing heat dissipation adhesive layer 71 is weaker than that of the second sealing heat dissipation adhesive layer 72, so that heat can be absorbed into the second sealing heat dissipation adhesive layer 72 as much as possible.
Further, a sealing heat dissipation adhesive 7 covers the sides of the flexible substrate 1, the buffer layer 2, the thin-film transistor layer 3, and the fluorescent light emitting layer 4.
In the embodiment, the phenomenon that water vapor enters the OLED display panel from the side surfaces of the flexible substrate 1, the buffer layer 2, the thin film transistor layer 3 and the fluorescent light-emitting layer 4 due to poor water vapor recombination among the layers is avoided.
Further, the flexible substrate 1 includes a first polyimide layer 11 and a second polyimide layer 12 which are sequentially arranged, the upper surface of the first polyimide layer 11 is provided with a plurality of first protruding top surfaces 111 which are uniformly and equidistantly arranged, and the lower surface of the second polyimide layer 12 and the first protruding top surfaces 111 on the first polyimide layer 11 form a concave-convex matched structure.
In this embodiment, the lower surface of the second polyimide layer 12 and the first protrusion top surface 111 on the first polyimide layer 11 form a concave-convex matching structure, which increases the contact area between the second polyimide layer 12 and the first polyimide layer 11, and is beneficial to dispersing and eliminating the stress generated in the bending process.
Further, buffer layer 2 is including the first buffer layer 21 and the second buffer layer 22 that set gradually, first buffer layer 21 upper surface has that a plurality of is even, the protruding top surface 211 of second that the equidistance set up, second buffer layer 22 lower surface have with the protruding top surface 211 of second on the first buffer layer 21 between the wrong a plurality of that sets up even, the protruding top surface 221 of third that the equidistance set up, protruding top surface 211 of second on the first buffer layer 21 forms unsmooth complex structure with second buffer layer 22 lower surface, the protruding top surface 221 of third on the second buffer layer 22 forms unsmooth protruding complex structure with first buffer layer 21 upper surface.
In this embodiment, the second protrusion top surface 211 staggered with the second buffer layer 22 through the interval between the first buffer layer 21 and the second buffer layer 22 forms a concave-convex matching structure, and the third protrusion top surface 221 forms a concave-convex matching structure with the first buffer layer 21, so that the contact area between the first buffer layer 21 and the second buffer layer 22 is increased, and the stress generated in the bending process is favorably dispersed and eliminated.
Further, the first silicone grease particles 52 and the second silicone grease particles 73 are the same heat absorbing particulate matter.
In the present embodiment, the first silicone grease particles 52 and the second silicone grease particles 73 have the same heat absorbing capacity.
Further, the blocking layer 8 comprises a plurality of first blocking units 81 and a plurality of second blocking units 82, the first blocking units 81 and the second blocking units 82 are both in a C shape, and the adjacent first blocking units 81 and the adjacent second blocking units 82 are connected end to end.
In this embodiment, when the flexible OLED display panel is rolled, the first barrier units 81 and the second barrier units 82 may be bent relative to each other, so that there is a space for releasing stress on the first encapsulation layer 3 contacting the barrier layer 8 due to the rolling of the flexible OLED display panel, and the barrier layer 4 has a better degree of resistance to bending stress, thereby enhancing the roll-up property of the flexible OLED display panel.
Further, one end of the sealing heat dissipation adhesive 7 at least extends to the lower surface of the flexible substrate 1, and the other end of the sealing heat dissipation adhesive 7 at least extends to the side surface of the first packaging layer 6.
In this embodiment, the moisture is prevented from entering the OLED display panel from the gap between the fluorescent light emitting layer 4 and the first encapsulation layer after poor recombination.
The working principle and the using process of the invention are as follows: after the OLED display panel is installed, heat generated by light emission of the fluorescent light-emitting layer 4 is dissipated to the periphery, other devices in the OLED display panel also generate heat when working, part of the generated total heat can be dissipated to the sealed heat dissipation adhesive 7 through the heat dissipation through holes 51 in the heat dissipation layer 5, the heat dissipation layer 5 is a film layer which is used for heat dissipation and surrounds the peripheral side surfaces of the fluorescent light-emitting layer 4, the heat dissipation through holes 51 are uniformly distributed around the heat dissipation layer 5, the heat can be uniformly dissipated through the heat dissipation through holes 51, the first silicone grease particles 52 are arranged on two sides of each heat dissipation through hole 51, the other part of the heat can be absorbed by the first silicone grease particles 52, the absorbed heat is conducted to the sealed heat dissipation adhesive 7 through the first silicone grease particles 52, the conducted heat can be absorbed and dissipated to the outside through the second silicone grease particles 73 mixed in the UV adhesive in the sealed heat dissipation adhesive 7, and the heat generated in the OLED display panel can be dissipated, the service life of OLED display panel has been prolonged, barrier layer 8 is used for OLED display panel when curling, effectively block first encapsulation layer 6 diffusion through barrier layer 8, make first encapsulation layer play the effect of separation water oxygen to the periphery of OLED device, be a plurality of discontinuous that the chain set up and block the unit, make the space that has the release with the stress on the first encapsulation layer 6 of barrier layer 8 contact, be favorable to eliminating stress, prevent to curl because of flexible OLED display panel and cause the coming off or being damaged of first encapsulation layer 6.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. A flexible OLED display panel having a fluorescent light-emitting layer, comprising:
a flexible substrate (1);
a buffer layer (2), wherein the buffer layer (2) is prepared on the flexible substrate (1);
the thin film transistor layer (3), the thin film transistor layer (3) is prepared on the buffer layer (2);
the fluorescent light-emitting layer (4), the fluorescent light-emitting layer (4) is prepared on the thin film transistor layer (3);
the heat dissipation layer (5) is prepared on the side face of the periphery of the fluorescent light emitting layer (4), wherein a plurality of heat dissipation through holes (51) are uniformly distributed in the heat dissipation layer (5), and a plurality of first silicone grease particles (52) are uniformly and equivalently filled on two sides of each heat dissipation through hole (51) respectively;
the first packaging layer (6), the first packaging layer (6) is prepared on the fluorescent light-emitting layer (4), and the first packaging layer (6) covers the surfaces of the fluorescent light-emitting layer (4) and the heat dissipation layer (5);
the OLED display panel comprises a sealing heat dissipation glue (7), wherein the sealing heat dissipation glue (7) is arranged on the side face of the periphery of the OLED display panel, and the sealing heat dissipation glue (7) comprises UV glue and second silicone grease particles (73) uniformly distributed in the UV glue;
the barrier layer (8) is prepared on the side face of the periphery of the first packaging layer (6), the barrier layer (8) comprises a plurality of discontinuous barrier units, and the barrier units are arranged in a chain manner;
a second encapsulation layer (9), wherein the second encapsulation layer (9) is prepared on the barrier layer (8), and the second encapsulation layer (9) covers the surfaces of the first encapsulation layer (6) and the barrier layer (8).
2. A flexible OLED display panel having a fluorescent light-emitting layer as claimed in claim 1 wherein: the sealing heat dissipation glue (7) comprises a first sealing heat dissipation glue layer (71) and a second sealing heat dissipation glue layer (72) which are distributed from one side close to the OLED display panel to the outer side, and the first sealing heat dissipation glue layer (71) and the second sealing heat dissipation glue layer (72) are filled with second silicone grease particles (73) with different concentrations.
3. A flexible OLED display panel having a fluorescent light-emitting layer as claimed in claim 2 wherein: the number of the second silicone grease particles (73) in the first sealing heat dissipation adhesive layer (71) is less than the number of the second silicone grease particles (73) in the second sealing heat dissipation adhesive layer (72).
4. A flexible OLED display panel having a fluorescent light-emitting layer as claimed in claim 1 wherein: the sealing heat dissipation glue (7) covers the flexible substrate (1), the buffer layer (2), the thin film transistor layer (3) and the side face of the fluorescent light emitting layer (4).
5. A flexible OLED display panel having a fluorescent light-emitting layer as claimed in claim 1 wherein: flexible substrate (1) is including first polyimide layer (11) and second polyimide layer (12) that set gradually, first polyimide layer (11) upper surface has first protruding top surface (111) that a plurality of is even, the equidistance sets up, second polyimide layer (12) lower surface with on first polyimide layer (11) first protruding top surface (111) form unsmooth complex structure.
6. A flexible OLED display panel having a fluorescent light-emitting layer as claimed in claim 1 wherein: buffer layer (2) are including first buffer layer (21) and second buffer layer (22) that set gradually, first buffer layer (21) upper surface has the protruding top surface of second (211) that a plurality of is even, the equidistance sets up, second buffer layer (22) lower surface have with the protruding top surface of third (221) that a plurality of that the protruding top surface of second (211) mistake on first buffer layer (21) set up is even, the equidistance sets up, the protruding top surface of second (211) on first buffer layer (21) with second buffer layer (22) lower surface forms unsmooth complex structure, the protruding top surface of third (221) on second buffer layer (22) with first buffer layer (21) upper surface forms concave-convex complex structure.
7. A flexible OLED display panel having a fluorescent light-emitting layer as claimed in claim 1 wherein: the first silicone grease particles (52) and the second silicone grease particles (73) are the same heat absorbing particulate matter.
8. A flexible OLED display panel having a fluorescent light-emitting layer as claimed in claim 1 wherein: the barrier layer (8) comprises a plurality of first barrier units (81) and a plurality of second barrier units (82), the first barrier units (81) and the second barrier units (82) are C-shaped, and the first barrier units (81) and the second barrier units (82) are adjacent to each other in an end-to-end mode.
9. A flexible OLED display panel having a fluorescent light-emitting layer as claimed in claim 1 wherein: one end of the sealing heat dissipation glue (7) at least extends to the lower surface of the flexible substrate (1), and the other end of the sealing heat dissipation glue (7) at least extends to the side face of the first packaging layer (6).
CN202010930542.4A 2020-09-07 2020-09-07 Flexible OLED display panel with fluorescent light emitting layer Pending CN114156307A (en)

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CN202010930542.4A CN114156307A (en) 2020-09-07 2020-09-07 Flexible OLED display panel with fluorescent light emitting layer

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Application Number Priority Date Filing Date Title
CN202010930542.4A CN114156307A (en) 2020-09-07 2020-09-07 Flexible OLED display panel with fluorescent light emitting layer

Publications (1)

Publication Number Publication Date
CN114156307A true CN114156307A (en) 2022-03-08

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114937415A (en) * 2022-05-27 2022-08-23 昆山国显光电有限公司 Display device, display module and middle frame

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114937415A (en) * 2022-05-27 2022-08-23 昆山国显光电有限公司 Display device, display module and middle frame
CN114937415B (en) * 2022-05-27 2023-11-24 昆山国显光电有限公司 Display device, display module and middle frame

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