CN205282479U - OLED (Organic light emitting diode) display panel - Google Patents
OLED (Organic light emitting diode) display panel Download PDFInfo
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Abstract
The utility model provides a OLED (Organic light emitting diode) display panel, include: base plate, OLED display element layer, encapsulated layer and separation substrate. The separation substrate is being close to encapsulated layer one side is provided with at least one deck barrier layer, is provided with the touch -control functional layer on separation substrate or the barrier layer. The utility model discloses a OLED (Organic light emitting diode) display panel has the touch -control sensor owing to integrated on separation substrate or barrier layer, therefore need additionally not set up the touch -sensitive screen again in the outside of OLED display screen, so can effectively reduce the integrated thickness that has the OLED (Organic light emitting diode) display panel of touch -control function, does benefit to display panel's frivolousization design, and simultaneously, OLED (Organic light emitting diode) display panel's light transmission also strengthens greatly.
Description
Technical field
The utility model relates to technique of display field, particularly relates to a kind of OLED display panel being integrated with touch controllable function.
Background technology
OLED (Organic Light Emitting Diode) technology since coming out, due to have luminous, frivolous, energy-conservation, wide viewing angle, high colour gamut, can the unique advantage such as Flexible Displays, receive the extensive concern of scientific and technological circle and industry member. OLED display has also been increasingly used in all kinds of display terminal, it is anticipated that, following OLED technique of display is expected to become the main flow of technique of display of future generation. Simultaneously along with people are for the demand of intelligent terminal, OLED display also needs integrated touch controllable function.
Fig. 1 show the structural representation of a kind of common OLED display screen, OLED display screen includes from bottom to top successively: substrate 100, OLED display element layer 110, encapsulated layer 120, barrier layer 130, obstruct substrate 140, in addition, the existing OLED display panel being integrated with touch controllable function is generally the outside that touch-screen 150 adheres to OLED display screen.
But, adopt the OLED display screen being integrated with touch controllable function of said structure, owing to needing to stick one piece of touch-screen 150 in the outside of OLED display screen, touch control display apparatus will be caused like this to have bigger thickness, it is unfavorable for the lightening of OLED display screen, meanwhile, the light transmission of OLED display screen also can be greatly affected.
Practical novel content
In view of this, the utility model provides a kind of OLED display panel, it is characterised in that, comprising:
Substrate;
OLED display element layer, is arranged on described substrate;
Encapsulated layer, is arranged at the side of described OLED display element layer away from described substrate;
Intercept substrate, attach to the side of described encapsulated layer away from described substrate by transparent adhesive tape material;
Described obstruct substrate, being provided with at least one layer of barrier layer near described encapsulated layer side, described obstruct substrate or described barrier layer is integrated with touch sensing, and described touch sensing comprises touch controllable function layer.
Compared with prior art, the utility model at least has one of following outstanding advantage:
OLED display panel of the present utility model owing to being integrated with touch sensing on obstruct substrate or barrier layer, thus extra additional touch screen is not needed in the outside of OLED display screen again, so the thickness of the OLED display panel being integrated with touch controllable function can be effectively reduced, it is beneficial to the lightening design of OLED display panel, meanwhile, the light transmission of OLED display panel also strengthens greatly.
Accompanying drawing explanation
Fig. 1 is the structural representation for a kind of common OLED display screen;
Fig. 2 is the side-view of the OLED display panel that embodiment of the present utility model provides;
To be the OLED display panel that provides of embodiment of the present utility model see the vertical view to substrate from encapsulated layer away from the face of substrate to Fig. 3;
Fig. 4 is that the OLED display panel that embodiment of the present utility model provides is seen to the vertical view intercepting substrate from barrier layer towards the face of substrate;
Fig. 5 is the side-view of the OLED display panel that an embodiment provides again of the present utility model;
Fig. 6 is the three-dimensional oblique drawing of the OLED display panel shown in Fig. 5;
Fig. 7 is the side-view of the OLED display panel that another embodiment of the present utility model provides;
Fig. 8 is the three-dimensional oblique drawing of the OLED display panel shown in Fig. 7;
Embodiment
For enabling above-mentioned purpose of the present utility model, feature and advantage more become apparent, below in conjunction with drawings and Examples, the utility model is described further.
It should be noted that, having set forth detail in the following description so that fully understanding the utility model. But the utility model can be different from alternate manner described here implement with multiple, and those skilled in the art can do similar popularization when not running counter to the utility model intension. Therefore the utility model is not by the restriction of following public embodiment.
Please refer to Fig. 2, Fig. 2 is the side-view of a kind of OLED display panel that embodiment of the present utility model provides.
The OLED display panel that the present embodiment provides, comprising: substrate 200, OLED display element layer 210, encapsulated layer 220, barrier layer 230 and obstruct substrate 240, wherein OLED display element layer 210, be arranged on substrate 200; Encapsulated layer 220, is arranged at the side of OLED display element layer 210 away from substrate 200; Intercept substrate 240, attach to the side of encapsulated layer 220 away from described substrate 200 by transparent adhesive tape material. Intercepting substrate 240 and encapsulated layer 220 side is being provided with at least one layer of barrier layer 230, intercept and be integrated with touch sensing on substrate 240 or described barrier layer 230, touch sensing comprises touch controllable function layer 250.
It should be noted that, the OLED display panel that the present embodiment provides can be the flexible OLED display panel being integrated with touch controllable function, it is also possible to be the non-flexible OLED display panel being integrated with touch controllable function. Accordingly, substrate 200 can be polyethylene terephthalate (PET) substrate or other flexible base boards, it is also possible to being glass substrate or other non-flexible substrate, the utility model embodiment is in this no limit.
OLED display element layer 210 comprises at least one OLED display element, at least one OLED display element described can be the OLED display element sending single colored light in array distribution, can also being the OLED display element of sending out multiple different color light alternately arranged in array, the utility model embodiment be in this no limit.
Encapsulated layer 220 is set to be covered on OLED display element layer 210, play the effect intercepting external water Oxygen permeation and entering OLED display element layer 210 inside and reduce the OLED display element life-span, the mode of encapsulation can be thin-film package, can also be other modes that those skilled in that art know, the present embodiment is preferably thin-film package mode, now, encapsulated layer 220 can be the inorganic material layer only comprising individual layer or multilayer, it is also possible to be that inorganic layer and organic layer hand over folded multilayered structure.
Intercept and substrate 240 deposits at least one layer of barrier layer 230, intercept substrate 240 is covered on OLED encapsulated layer 220 simultaneously, barrier layer 230 is at encapsulated layer 220 and intercepts between substrate 240, in addition the thickness of barrier layer 230 is 1-10 micron, the material of barrier layer 230 is silicon nitride or silicon oxide, thus barrier layer 230 is the individual layer or multilayer silicon nitride layer or silicon oxide layer that obstruct water oxygen ability is stronger, can also be that these silicon nitrides or silicon oxide layer and organic material layer hand over folded multilayered structure, here, the material intercepting substrate 240 can be polyethylene terephthalate (PET) or other flexible parent metals, can also be glass substrate or other transparent non-flexible substrate. thus, the obstruct water oxygen ability of OLED display panel is further enhanced, it is ensured that the life-span of OLED display panel and stability.
Touch controllable function layer 250 can be positioned at the side of barrier layer 230 towards substrate 200, or is intercepting between substrate 240 and barrier layer 230. The number of plies of the touch controllable function layer 250 that touch sensing comprises does not limit, it is possible to be single layer structure, it is also possible to be multilayered structure. Exemplary, embodiment of the present utility model is provided the touch controllable function layer 250 of OLED display panel to be at the single layer structure intercepted between substrate 240 and barrier layer 230.
Touch controllable function layer 250 can be positioned at the side of barrier layer 230 towards substrate 200, when touch sensing contains multilayer touch controllable function layer 250, between upper and lower two layers of touch controllable function layer 250, there is the effect that medium layer plays insulation arbitrarily, medium layer between above-mentioned upper and lower two layers of touch controllable function layer 250 can be barrier layer 230, it is also possible to be the inorganic of other transparent insulations or organic film.
Further, composition graphs 3 is with shown in Fig. 4, intercepting substrate 240 and have the first pin area 241 not being blocked layer 230 covering being positioned at and intercepting edges of substrate 240 towards described substrate 200 side, described touch controllable function layer 250 has the first pin 242 being positioned at the first pin area 241. OLED display element layer 210 comprises the 2nd pin area 201 that non-encapsulated layer 230 covers, 2nd pin area 201 has the 2nd pin 202, first pin 242 is electrically connected to the 2nd pin 202, and the mode that above-mentioned first pin 242 is electrically connected to the 2nd pin 202 can be, by ACF conductive resin, both are carried out contraposition bonding. Thus, the touch control electrode pin of touch controllable function layer 250 just leads to the 2nd pin area 201 of the OLED display element layer 210 of lower section, thus only need to bind (bonding) FPC in the 2nd pin area 201 and can realize the extraction of display element layer 210 and the electrode of touch controllable function layer 250, thus can effectively reduce the quantity of FPC, and simplify the module structure of touch-control display panel.
Those skilled in that art are it is to be appreciated that above-mentioned first pin 242 can also carry out the extraction of touch control electrode by direct external FPC, and the 2nd pin 202 is also circumscribed with a FPC and is drawn by the electrode of display element layer simultaneously. Like this, the extraction being carried out electrode by two different FPC separately of display element layer 210 and touch controllable function layer 250.
In addition, the OLED display panel that the present embodiment provides can obtain by following preparation process:
S1: substrate 200 is provided;
S2: deposit OLED display element layer 210, OLED display original set layer 210 on substrate 200 and there is the 2nd pin 242 being positioned at the 2nd pin area 241;
S3: OLED display element layer 210 away from substrate 200 side deposition encapsulated layer 220, encapsulated layer 220 be thin-film encapsulation layer, while encapsulated layer 220 do not cover the 2nd pin area 241; In addition,
S4: provide and intercept substrate 240;
S5: deposit touch controllable function layer 250 and at least one layer of barrier layer 230 on obstruct substrate 240.
The sedimentary sequence of above-mentioned touch controllable function layer 250 and at least one layer of barrier layer 230 is deposit successively according to the concrete structure of device. In the present embodiment, concrete is first deposit touch controllable function layer 250 on obstruct substrate 240, then deposit at least one layer of barrier layer 230. It is to be noted, intercepting substrate 240 and have the first pin area 241 not being blocked layer 230 and covering at the edge of the side depositing above-mentioned touch controllable function layer 250 and at least one layer of barrier layer 230, described touch controllable function layer 250 has the first pin 242 being positioned at the first pin area 241;
S6: utilize transparent adhesive tape material that above-mentioned obstruct substrate 240 is attached to the side of encapsulated layer 220 away from described substrate, the side depositing touch controllable function layer 250 and at least one layer of barrier layer 230 wherein intercepting substrate 240 is towards substrate 200.
It is noted that encapsulated layer 220 or barrier layer 230 can be the inorganic material layers only comprising individual layer or multilayer, it is also possible to be that inorganic layer and organic layer hand over folded multilayered structure. For inorganic material layer, it is possible to adopting depositional modes such as steaming plating, PVD, CVD, plasma sputtering to obtain, and the depositional mode of organic material layer can be steam plating, printing, coating etc., specifically depends on the circumstances, this is not limited by the utility model embodiment.
In addition, for step S1-S3, it is possible to be, on big substrate, multiple OLED display panel of the distribution in array are carried out film deposition simultaneously, it is coated with at the encapsulated layer 220 of each above-mentioned OLED display panel afterwards and applies transparent adhesive tape material. Corresponding for step S4 and S5, it is also possible to be carry out film deposition big the corresponding position intercepting the OLED display panel corresponding to aforementioned big substrate on substrate, carry out the contraposition laminating of S6 step afterwards. Those skilled in that art should be understood that, in the process performing S6 step, big first S5 step obtained can also be comprised intercept a substrate and cut, and the same FPC of the 2nd pin 202 in the 2nd pin area 201 and/or the first pin 242 in the first pin area 241 is carried out the process bound. These concrete steps are not construed as limiting by the present embodiment, specifically depend on the circumstances.
Fig. 5 is the side-view of the OLED display panel that an embodiment provides again of the present utility model, and Fig. 6 is its three-dimensional oblique drawing. Below the part that the present embodiment is only different from previous embodiment is introduced, the something in common between different embodiment is not repeated them here.
The touch controllable function layer 350 of the OLED display panel that the present embodiment provides is positioned at the side of described obstruct substrate 240 away from described substrate 200.
Intercepting substrate 240 and have the 3rd pin area 341 being positioned at and intercepting substrate 240 edge and be not capped away from described substrate 200 side, touch controllable function layer 350 has the 3rd pin 342 being positioned at the 3rd pin area 341.
OLED display element layer 210 comprises non-encapsulated layer 220 and intercepts the 2nd pin area 301 of substrate 240 covering, and described 2nd pin area 301 has the 2nd pin 302, and described 3rd pin 342 is electrically connected to described 2nd pin 302 by silver slurry. Those skilled in that art should be appreciated that, above by silver slurry, the 3rd pin 342 is electrically connected to the step of the 2nd pin 302, can be after utilizing transparent adhesive tape material that obstruct substrate 240 is adhered to encapsulated layer 220, namely can complete the present embodiment provided OLED display panel preparation and assembling after, then carry out above by silver slurry the 3rd pin 342 is electrically connected with the 2nd pin 302.
The side-view of the OLED display panel that Fig. 7 provides for another embodiment of the present utility model, Fig. 8 is its three-dimensional oblique drawing. Below the part that the present embodiment is only different from previous embodiment is introduced, the something in common between different embodiment is not repeated them here.
The touch controllable function layer of the OLED display panel that the present embodiment provides comprises the first sub-touch controllable function layer 452 and the 2nd sub-touch controllable function layer 451, first sub-touch controllable function layer 452 is positioned at the side of at least one layer of barrier layer 230 near substrate 200, and the 2nd sub-touch controllable function layer 451 is positioned at the side of described obstruct substrate 240 away from described substrate 200; Or, the first sub-touch controllable function layer 452 is intercepting between substrate 240 and at least one layer of barrier layer 230, and the 2nd sub-touch controllable function layer 451 is positioned at the side intercepting substrate 240 away from described substrate 200. Exemplary, the present embodiment is provided the first of OLED display panel the sub-touch controllable function layer 452 to be positioned at the side of at least one layer of barrier layer 230 near substrate 200, and the 2nd sub-touch controllable function layer 451 is positioned at the side of described obstruct substrate 240 away from described substrate 200.
Intercept substrate 240 and there is towards substrate 200 side the first pin area (the first pin area 241 with reference to Fig. 2) not covered by described barrier layer 230 being arranged in described obstruct substrate 240 edge, first sub-touch controllable function layer 452 has the first sub-pin 443 being positioned at the first pin area, intercept substrate 240 to have away from substrate 200 side to be positioned at and intercept substrate 240 edge and the 3rd capped sub-touch controllable function layer 451 in pin area the 441, two has the 3rd sub-pin 442 being positioned at the 3rd pin area 441.
OLED display element layer 210 comprises the 2nd pin area 401, pin area the 401, two that non-encapsulated layer 220 covers to be had the 2nd sub-pin 442 of pin 402, first and is electrically connected to the 2nd pin 402.
3rd sub-pin 442 is electrically connected to the 2nd pin 402 by silver slurry.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations. For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, it is also possible to make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (13)
1. an OLED display panel, it is characterised in that, comprising:
Substrate;
OLED display element layer, is arranged on described substrate;
Encapsulated layer, is arranged at the side of described OLED display element layer away from described substrate;
Intercept substrate, attach to the side of described encapsulated layer away from described substrate by transparent adhesive tape material;
Described obstruct substrate, being provided with at least one layer of barrier layer near described encapsulated layer side, described obstruct substrate or described barrier layer is integrated with touch sensing, and described touch sensing comprises touch controllable function layer.
2. OLED display panel as claimed in claim 1, it is characterised in that, the material of described barrier layer is silicon nitride or silicon oxide.
3. OLED display panel as claimed in claim 1, it is characterised in that, the thickness of described at least one layer of barrier layer is 1-10 micron.
4. OLED display panel as claimed in claim 1, it is characterised in that, described touch controllable function layer is positioned at the side of described at least one layer of barrier layer towards described substrate, or between described obstruct substrate and described at least one layer of barrier layer.
5. OLED display panel as claimed in claim 4, it is characterized in that, described obstruct substrate has the first pin area not covered by described barrier layer being positioned at described obstruct edges of substrate towards described substrate side, and described touch controllable function layer has the first pin being positioned at described first pin area.
6. OLED display panel as claimed in claim 5, it is characterised in that, described OLED display element layer comprises the 2nd pin area not covered by described encapsulated layer, and described 2nd pin area has the 2nd pin, and described first pin is electrically connected to described 2nd pin.
7. OLED display panel as claimed in claim 1, it is characterised in that, described touch controllable function layer is positioned at the side of described obstruct substrate away from described substrate.
8. OLED display panel as claimed in claim 7, it is characterized in that, described obstruct substrate has away from described substrate side and is positioned at described obstruct edges of substrate and the 3rd capped pin area, and described touch controllable function layer has the 3rd pin being positioned at described 3rd pin area.
9. OLED display panel as claimed in claim 8, it is characterized in that, described OLED display element layer comprises the 2nd pin area not covered by described encapsulated layer and described obstruct substrate, and described 2nd pin area has the 2nd pin, and described 3rd pin is electrically connected to described 2nd pin by silver slurry.
10. OLED display panel as claimed in claim 1, it is characterized in that, described touch controllable function layer comprises the first sub-touch controllable function layer and the 2nd sub-touch controllable function layer, described first sub-touch controllable function layer is positioned at described at least one layer of barrier layer near the side of described substrate, and described 2nd sub-touch controllable function layer is positioned at the side of described obstruct substrate away from described substrate;
Or, described first sub-touch controllable function layer is between described obstruct substrate and described at least one layer of barrier layer, and described 2nd sub-touch controllable function layer is positioned at the side of described obstruct substrate away from described substrate.
11. OLED display panel as claimed in claim 10, it is characterized in that, described obstruct substrate has the first pin area not covered by described barrier layer being positioned at described obstruct edges of substrate towards described substrate side, described first sub-touch controllable function layer has the first sub-pin being positioned at described first pin area, described obstruct substrate has away from described substrate side and is positioned at described obstruct edges of substrate and the 3rd capped pin area, and described 2nd sub-touch controllable function layer has the 3rd sub-pin being positioned at described 3rd pin area.
12. OLED display panel as claimed in claim 11, it is characterized in that, described OLED display element layer comprises the 2nd pin area not covered by described encapsulated layer, and described 2nd pin area has the 2nd pin, and described first sub-pin is electrically connected to described 2nd pin.
13. OLED display panel as claimed in claim 12, it is characterised in that, described 3rd sub-pin is electrically connected to described 2nd pin by silver slurry.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201521135483.2U CN205282479U (en) | 2015-12-31 | 2015-12-31 | OLED (Organic light emitting diode) display panel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201521135483.2U CN205282479U (en) | 2015-12-31 | 2015-12-31 | OLED (Organic light emitting diode) display panel |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106024840A (en) * | 2016-07-12 | 2016-10-12 | 上海天马微电子有限公司 | Flexible OLED display panel, manufacturing method thereof and flexible OLED display device |
| CN106373981A (en) * | 2016-08-29 | 2017-02-01 | 上海天马微电子有限公司 | Flexible display panel and manufacturing method therefor |
| CN106648209A (en) * | 2016-10-19 | 2017-05-10 | 武汉华星光电技术有限公司 | Flexible touch screen and its manufacturing method and touch device |
| WO2018137589A1 (en) * | 2017-01-25 | 2018-08-02 | 昆山工研院新型平板显示技术中心有限公司 | Touch control display panel and method for manufacturing same, and touch control display device |
| CN109411524A (en) * | 2018-12-04 | 2019-03-01 | 武汉华星光电半导体显示技术有限公司 | Display module and display device |
| CN109817089A (en) * | 2019-01-29 | 2019-05-28 | 信利光电股份有限公司 | A kind of manufacturing method of display device, electronic device and display device |
| CN114822298A (en) * | 2022-06-27 | 2022-07-29 | 季华实验室 | Manufacturing method of display unit based on glass substrate and display unit |
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2015
- 2015-12-31 CN CN201521135483.2U patent/CN205282479U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106024840A (en) * | 2016-07-12 | 2016-10-12 | 上海天马微电子有限公司 | Flexible OLED display panel, manufacturing method thereof and flexible OLED display device |
| CN106373981A (en) * | 2016-08-29 | 2017-02-01 | 上海天马微电子有限公司 | Flexible display panel and manufacturing method therefor |
| CN106373981B (en) * | 2016-08-29 | 2024-04-16 | 上海天马微电子有限公司 | Flexible display panel and manufacturing method thereof |
| CN106648209A (en) * | 2016-10-19 | 2017-05-10 | 武汉华星光电技术有限公司 | Flexible touch screen and its manufacturing method and touch device |
| WO2018072266A1 (en) * | 2016-10-19 | 2018-04-26 | 武汉华星光电技术有限公司 | Flexible touch screen, manufacturing method therefor, and touch device |
| CN106648209B (en) * | 2016-10-19 | 2019-10-25 | 武汉华星光电技术有限公司 | Flexible touch screen and preparation method thereof, touching device |
| WO2018137589A1 (en) * | 2017-01-25 | 2018-08-02 | 昆山工研院新型平板显示技术中心有限公司 | Touch control display panel and method for manufacturing same, and touch control display device |
| US10719156B2 (en) | 2017-01-25 | 2020-07-21 | Kunshan New Flat Panel Display Technology Center Co., Ltd. | Touch display panel, manufacturing method thereof and touch display device |
| CN109411524A (en) * | 2018-12-04 | 2019-03-01 | 武汉华星光电半导体显示技术有限公司 | Display module and display device |
| CN109817089A (en) * | 2019-01-29 | 2019-05-28 | 信利光电股份有限公司 | A kind of manufacturing method of display device, electronic device and display device |
| CN114822298A (en) * | 2022-06-27 | 2022-07-29 | 季华实验室 | Manufacturing method of display unit based on glass substrate and display unit |
| CN114822298B (en) * | 2022-06-27 | 2022-09-30 | 季华实验室 | Manufacturing method of display unit based on glass substrate and display unit |
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