CN107863368A - A kind of double-side display device - Google Patents
A kind of double-side display device Download PDFInfo
- Publication number
- CN107863368A CN107863368A CN201710839267.3A CN201710839267A CN107863368A CN 107863368 A CN107863368 A CN 107863368A CN 201710839267 A CN201710839267 A CN 201710839267A CN 107863368 A CN107863368 A CN 107863368A
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- substrate
- insulating barrier
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- double
- display device
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- 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
- H10K59/128—Active-matrix OLED [AMOLED] displays comprising two independent displays, e.g. for emitting information from two major sides of the display
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The present invention relates to display technology field, more particularly to a kind of double-side display device.A kind of double-side display device of the present invention, the driving thin film transistor (TFT) of Organic Light Emitting Diode on Organic Light Emitting Diode and second surface on first surface is shared a grid by the double-side display device, and grid is embedded in substrate, the thickness of double-side display device can be reduced while double-sided display is realized, lifts the portability of double-side display device.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of double-side display device.
Background technology
ORGANIC ELECTROLUMINESCENCE DISPLAYS (Organic Light Emitting Display, OLED) device not only has very
Excellent display performance, also with self-luminous, simple in construction, ultra-thin, fast response time, wide viewing angle, low-power consumption and it can realize
The characteristics such as Flexible Displays, " dreamlike display " is described as, has obtained the favor of major display producer, it has also become Display Technique is led
The main force of third generation display device in domain.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of double-side display device, can realize double-sided display, and reduce
The thickness of double-side display device.Meanwhile present invention also offers a kind of organic light emission layer assembly of double-side display device and its add
Work technique.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of double-side display device, including：Substrate,
It is formed at the first surface of the first via on the substrate, the grid in first via, the covering substrate
First insulating barrier, located at first insulating barrier away from the first active layer on the substrate side, located at described first insulation
Drained respectively with the first source electrode of two end in contact of first active layer and first on the remote substrate side of layer, covering institute
State the first source electrode, the first drain electrode, the second insulating barrier of the first insulating barrier, located at one of second insulating barrier away from the substrate
The first anode on side, the first pixel defining layer of the covering first anode and the second insulating barrier, located at the first anode
Away from the substrate side on the first pixel defining layer on the first pixel definition groove, located at the first pixel definition groove
In the first organic luminous layer, on the side of first pixel layer away from the substrate with first organic light emission
First negative electrode of layer contact, the 3rd insulating barrier of the covering substrate second surface, located at the 3rd insulating barrier away from described
The second active layer on the side of substrate, on the side of the 3rd insulating barrier away from the substrate respectively with described second
Second source electrode of two end in contact of active layer and the second drain electrode, cover second source electrode, the second drain electrode, the of the second insulating barrier
Two insulating barriers, the second plate on second insulating barrier, the second picture for covering the second plate and the second insulating barrier
Plain definition layer, the second pixel definition groove in the second pixel defining layer on the second plate, located at second picture
Element defines the second organic luminous layer in groove and being contacted with second organic luminous layer on second pixel layer
The second negative electrode.
The substrate is flexible substrate.
The material of the substrate is polyimides.
A kind of organic light emission layer assembly of double-side display device, including stack gradually hole transport functional layer, luminescent layer,
And electric transmission functional layer.
A kind of processing technology of the organic light emission layer assembly of double-side display device, step are as follows：
1), structure and process respectively
Organic light emission layer assembly, including hole transport functional layer, luminescent layer and the electric transmission functional layer stacked gradually；
Hole transport functional layer, luminescent layer and electric transmission functional layer are prepared according to prior art, and are answered by prior art
Close；
2), pre-treatment
To the surface spraying pretreatment liquid of the organic light emission layer assembly after compound, spraying terminates to do using vacuum drier
Dry, drying temperature is 35 DEG C；
The component of pretreatment liquid is：It is 5 parts of sodium sulphate, 5.5 parts of titanium dioxide, 15 parts of isopropanol, 15 parts of epoxy acrylate, big
0.5 part of beans flavones；
The processing method of pretreatment liquid is：In kettle is prepared, raw material is sequentially added, 55 DEG C is then heated to, is stirred 1
Hour is made；
3), subsequent treatment
Pretreated organic light emission layer assembly is placed in closed container, holding more than 5 hours is vacuumized, then recovers
Normal pressure further takes out；Finally put it into air dry oven and dry 1 hour, temperature is 40 DEG C.
Advantage for present invention is with effect：
1) a kind of, double-side display device of the invention, the double-side display device is by the organic light-emitting diodes on first surface
The driving thin film transistor (TFT) of Organic Light Emitting Diode on pipe and second surface shares a grid, and grid is embedded in into substrate
In, the thickness of double-side display device can be reduced while double-sided display is realized, lifts the portability of double-side display device.
2), the organic light emission layer assembly and its processing technology of a kind of double-side display device of the invention, by pre-treatment with
And subsequent treatment makes the luminescent properties of organic light emission layer assembly be significantly improved.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is a kind of structure chart of double-side display device of the present invention；
In figure：Substrate 1, the first via 12, grid 2, the first insulating barrier 3, the first active layer 4, the leakage of the first source electrode 5, first
Pole 6, the second insulating barrier 7, the first anode 8, the first pixel defining layer 9, the first pixel definition groove 91, the first organic luminous layer 10,
First negative electrode 11, the 3rd insulating barrier 13, the second active layer 14, the second source electrode 15, second the 16, second insulating barrier 17, second of drain electrode
Anode 18, the second pixel defining layer 19, the second pixel definition groove 191, the second organic luminous layer 20, the second negative electrode 21.
Embodiment
Embodiment 1
Referring to Fig. 1, the present invention provides a kind of double-side display device, including：Substrate 1, be formed on the substrate
One via 12, the grid 2 in first via 12, the covering substrate 1 first surface the first insulating barrier 3, set
In first insulating barrier 3 away from the first active layer 4 on the side of substrate 1, located at first insulating barrier 3 away from described
On substrate side respectively with the first source electrode 5 of two end in contact of first active layer 4 and the first drain electrode 6, covering described first
Source electrode 5, first drain the 6, first insulating barrier 3 the second insulating barrier 7, located at one of second insulating barrier 7 away from the substrate
The first anode 8 on side, the first pixel defining layer 9 of the covering insulating barrier 7 of the first anode 8 and second, located at described first
The first pixel definition groove 91 in the first pixel defining layer 9 on side of the anode 8 away from the substrate 1, located at described first
The first organic luminous layer 10 in pixel definition groove 91, on the side of the first pixel layer 9 away from the substrate with
First negative electrode 11 of the contact of the first organic luminous layer 10, the 3rd insulating barrier 13 of the covering second surface of substrate 1, it is located at
It is the second active layer 14 on the side of 3rd insulating barrier 13 away from the substrate 1, remote located at the 3rd insulating barrier 13
On the side of the substrate respectively with the second source electrode 15 of two end in contact of second active layer 14 and the second drain electrode 16, covering
Second source electrode 15, second drain the 16, second insulating barrier 13 the second insulating barrier 17, on second insulating barrier 17
Second plate 18, the second pixel defining layer 19 of the covering insulating barrier 17 of second plate 18 and second, located at the described second sun
The second pixel definition groove 191 in the second pixel defining layer 19 on pole 18, in the second pixel definition groove 191
Two organic luminous layers 20 and contacted with second organic luminous layer 20 second the moon on second pixel layer 19
Pole 21.
Specifically, the substrate 1 is flexible substrate, it is preferable that the material of the substrate is polyimides.
Specifically, double-side display device of the invention is by the Organic Light Emitting Diode and second surface on first surface
The driving thin film transistor (TFT) of Organic Light Emitting Diode shares a grid, and grid is embedded in substrate, can realize it is two-sided
The thickness of double-side display device is reduced while display, lifts the portability of double-side display device.
Embodiment 2
A kind of processing technology of the organic light emission layer assembly of double-side display device, step are as follows：
1), structure and process respectively
Organic light emission layer assembly, including hole transport functional layer, luminescent layer and the electric transmission functional layer stacked gradually；
Hole transport functional layer, luminescent layer and electric transmission functional layer are prepared according to prior art, and are answered by prior art
Close；
2), pre-treatment
To the surface spraying pretreatment liquid of the organic light emission layer assembly after compound, spraying terminates to do using vacuum drier
Dry, drying temperature is 35 DEG C；
The component of pretreatment liquid is：It is 5 parts of sodium sulphate, 5.5 parts of titanium dioxide, 15 parts of isopropanol, 15 parts of epoxy acrylate, big
0.5 part of beans flavones；
The processing method of pretreatment liquid is：In kettle is prepared, raw material is sequentially added, 55 DEG C is then heated to, is stirred 1
Hour is made；
3), subsequent treatment
Pretreated organic light emission layer assembly is placed in closed container, holding more than 5 hours is vacuumized, then recovers
Normal pressure further takes out；Finally put it into air dry oven and dry 1 hour, temperature is 40 DEG C.
The present invention is not limited to above-described embodiment, and embodiment is exemplary, it is intended to for explaining the present invention, and can not
It is interpreted as limitation of the present invention.
Claims (3)
- A kind of 1. double-side display device, it is characterised in that including：Substrate, the first via being formed on the substrate, located at institute State grid in the first via, the covering substrate first surface the first insulating barrier, remote located at first insulating barrier The first active layer on the substrate side, located at first insulating barrier away from the substrate side respectively with described first First source electrode of two end in contact of active layer and the first drain electrode, cover first source electrode, the first drain electrode, the of the first insulating barrier Two insulating barriers, the first anode on the side of second insulating barrier away from the substrate, the covering first anode and First pixel defining layer of the second insulating barrier, the first pixel definition on side of the first anode away from the substrate The first pixel definition groove on layer, the first organic luminous layer in the first pixel definition groove, located at first picture The first negative electrode contacted with first organic luminous layer, the covering substrate second on side of the plain layer away from the substrate 3rd insulating barrier on surface, the second active layer on the side of the 3rd insulating barrier away from the substrate, located at described The second source electrode and second with two end in contact of second active layer respectively on 3rd side of the insulating barrier away from the substrate Drain, cover second source electrode, the second drain electrode, the second insulating barrier of the second insulating barrier, on second insulating barrier Second plate, the second pixel defining layer of the covering second plate and the second insulating barrier, the on the second plate The second pixel definition groove in two pixel defining layers, the second organic luminous layer in the second pixel definition groove and The second negative electrode contacted with second organic luminous layer on second pixel layer.
- 2. double-side display device as claimed in claim 1, it is characterised in that the substrate is flexible substrate.
- 3. double-side display device as claimed in claim 2, it is characterised in that the material of the substrate is polyimides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710839267.3A CN107863368B (en) | 2017-09-18 | 2017-09-18 | Double-sided display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710839267.3A CN107863368B (en) | 2017-09-18 | 2017-09-18 | Double-sided display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107863368A true CN107863368A (en) | 2018-03-30 |
| CN107863368B CN107863368B (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710839267.3A Active CN107863368B (en) | 2017-09-18 | 2017-09-18 | Double-sided display device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111092077A (en) * | 2018-10-23 | 2020-05-01 | 广东聚华印刷显示技术有限公司 | Double-thin-film transistor, preparation method thereof and display panel |
| CN115568250A (en) * | 2022-08-30 | 2023-01-03 | 惠科股份有限公司 | In-screen fingerprint display screen, manufacturing method thereof and display device |
| WO2024000653A1 (en) * | 2022-06-28 | 2024-01-04 | 武汉华星光电半导体显示技术有限公司 | Display panel |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103730485A (en) * | 2013-12-27 | 2014-04-16 | 京东方科技集团股份有限公司 | Two-side displaying OLED array substrate, manufacturing method thereof, and display device |
| CN105140260A (en) * | 2015-07-23 | 2015-12-09 | 京东方科技集团股份有限公司 | Organic light-emitting diode array substrate and manufacturing method thereof and display device |
-
2017
- 2017-09-18 CN CN201710839267.3A patent/CN107863368B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103730485A (en) * | 2013-12-27 | 2014-04-16 | 京东方科技集团股份有限公司 | Two-side displaying OLED array substrate, manufacturing method thereof, and display device |
| CN105140260A (en) * | 2015-07-23 | 2015-12-09 | 京东方科技集团股份有限公司 | Organic light-emitting diode array substrate and manufacturing method thereof and display device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111092077A (en) * | 2018-10-23 | 2020-05-01 | 广东聚华印刷显示技术有限公司 | Double-thin-film transistor, preparation method thereof and display panel |
| WO2024000653A1 (en) * | 2022-06-28 | 2024-01-04 | 武汉华星光电半导体显示技术有限公司 | Display panel |
| CN115568250A (en) * | 2022-08-30 | 2023-01-03 | 惠科股份有限公司 | In-screen fingerprint display screen, manufacturing method thereof and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107863368B (en) | 2020-03-24 |
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Effective date of registration: 20201111 Address after: Room 101, building B2, phase III, Changsha E center, south of Kangtian road and east of Xiangtai Road, Liuyang economic and Technological Development Zone, Changsha City, Hunan Province Patentee after: Changsha Huike Jinyang New display device Co.,Ltd. Address before: The New District of Hefei City, Anhui province 230000 nine Top Road and intersection of the northeast corner of Kui he Lu Patentee before: HEFEI HUIKE JINYANG TECHNOLOGY Co.,Ltd. |
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Address after: 410000 No. 101, building B2, phase III, Changsha E center, south of Kangtian road and east of Xiangtai Road, Liuyang economic and Technological Development Zone, Changsha City, Hunan Province Patentee after: Changsha Huike Jinyang Technology Co.,Ltd. Address before: 410000 No. 101, building B2, phase III, Changsha E center, south of Kangtian road and east of Xiangtai Road, Liuyang economic and Technological Development Zone, Changsha City, Hunan Province Patentee before: Changsha Huike Jinyang New display device Co.,Ltd. |
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