CN105449117A - Ionization device, OLED module and preparation method and electronic equipment - Google Patents
Ionization device, OLED module and preparation method and electronic equipment Download PDFInfo
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- CN105449117A CN105449117A CN201511018829.5A CN201511018829A CN105449117A CN 105449117 A CN105449117 A CN 105449117A CN 201511018829 A CN201511018829 A CN 201511018829A CN 105449117 A CN105449117 A CN 105449117A
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
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Abstract
The invention discloses an ionization device, an OLED module and a preparation method and electronic equipment. The ionization device comprises a positive electrode and a negative electrode; the positive electrode is suitable to be electrically connected with the output end of a peripheral driving system; the negative electrode is suitable to be electrically connected the input end of the peripheral driving circuit. The ionization device further comprises a core active layer which is formed between the positive electrode and the negative electrode and is made of a conductive material added with an ionized water catalyst; therefore, the core active layer absorbs moisture from the external environment and ionizes the moisture. Finally, the problem that the existing water-oxygen barrier method cannot effectively solve the influence of moisture in the external environment on an MOLED module and electronic equipment, resulting in low reliability of the AMOLED module and the equipment, can be solved.
Description
Technical field
The present invention relates to electronics field, particularly relate to a kind of ionization device, OLED module and preparation method and electronic equipment.
Background technology
Along with the high speed development of electronic industry, social electronic equipment popularity rate is also more and more higher now, as: PC, mobile phone, server, GPS (GlobalPositioningSystem, global positioning system) guider etc., become the necessary article in people's daily life.Wherein, as a kind of novel package structure AMOLED (Active-matrixorganiclight-emittingdiode, active matrix organic light-emitting diode), because it has high chroma, high-contrast, wide viewing angle, high brightness, self-luminous, fast response time, can realize the features such as Flexible Displays, be widely used on the electronic equipment such as mobile phone and media player.
The requirement intercepted water oxygen due to AMOLED encapsulating structure is very high, and therefore industry usually adopts sealing, the mode shielded or adopts the modes such as optimization encapsulates, multilayer film encapsulates, increase is dry to realize the obstruct of water oxygen, to ensure the normal use of electronic equipment.But above-mentioned several mode all effectively can not solve the impact on AMOLED module and electronic equipment of aqueous vapor in external environment, thus makes the reliability of AMOLED module and electronic equipment lower.
Summary of the invention
Based on this, be necessary effectively to solve the impact on AMOLED module and electronic equipment of aqueous vapor in external environment for traditional water oxygen obstruct mode, thus cause the problem that the reliability of AMOLED module and electronic equipment is lower, a kind of ionization device, OLED module and preparation method and electronic equipment are provided.
For realizing a kind of ionization device that the object of the invention provides, comprise positive electrode and negative electrode;
Described positive electrode is applicable to the output being electrically connected peripheral driver system;
Described negative electrode is applicable to the input being electrically connected described peripheral driver system;
Also comprise the active layer of core;
The active layer of described core is formed between described positive electrode and described negative electrode; And
The material of the active layer of described core is conductive materials, and is added with ionizing water catalyst.
Wherein in an embodiment, the structure of the active layer of described core is hydrophilic-structure.
Wherein in an embodiment, the active layer of described core comprises cation transmission insulator layer, anion transmission insulator layer and core stratum reticulare;
Described core stratum reticulare is formed at described cation transmission insulator layer and described anion transmits between insulator layer; And
Described cation transmission insulator layer is formed between described negative electrode and described core stratum reticulare;
Described anion transmission insulator layer is formed between described core stratum reticulare and described positive electrode.
Wherein in an embodiment, the material of described core stratum reticulare is hydrophilic material.
Accordingly, present invention also offers a kind of OLED module, comprising:
Substrate;
OLED, described OLED is formed on described substrate;
Encapsulated layer, described encapsulated layer is arranged at the periphery of described OLED, surrounds described OLED;
As above arbitrary described ionization device, described ionization device adds and is attached to described encapsulated layer surface or is arranged between described substrate and described encapsulated layer.
Wherein in an embodiment, described OLED comprises TFT layer, anode, organic layer and negative electrode;
Described TFT layer is formed at described substrate surface;
Described anodic formation is between described TFT layer and described organic layer;
Described organic layer is formed between described anode and described negative electrode.
Accordingly, for realizing any one OLED module above-mentioned, present invention also offers a kind of OLED module preparation method, comprising the steps:
OLED prepared by substrate;
The ionization device described in any one of Claims 1-4 is prepared at the marginal position place that described OLED do not prepared by described substrate;
Encapsulated layer is prepared on described ionization device surface and described OLED periphery.
Wherein in an embodiment, the ionization device described in described any one of preparation Claims 1-4, comprises the steps:
Positive electrode and negative electrode are prepared by the marginal position place of not preparing described OLED at described substrate, and between described positive electrode and described negative electrode, fill the active layer of preparation core; Or
Described positive electrode is prepared at the marginal position place of not preparing described OLED at described substrate, prepares the active layer of core in described positive electrode surface, and at the described negative electrode of described core active layer surface preparation; Or
Described negative electrode is prepared at the marginal position place of not preparing described OLED at described substrate, prepares the active layer of core at described negative electrode surface, and at the described positive electrode of described core active layer surface preparation.
Wherein in an embodiment, prepare the active layer of described core, comprise the steps:
Anion transmission insulator layer is prepared in described positive electrode surface;
At described anion transmission insulator layer surface preparation core stratum reticulare;
Between described core stratum reticulare surface and described negative electrode, prepare cation transmit insulator layer.
Accordingly, present invention also offers a kind of electronic equipment, comprise as above arbitrary described OLED module; And
Wherein in an embodiment, described drive circuit is the supply unit of described electronic equipment.
The beneficial effect of above-mentioned ionization device:
It by forming the active layer of core between positive electrode and negative electrode, and adopt conductive materials as the main material of the active layer of core, and add ionizing water catalyst, thus after positive electrode and negative electrode are electrically connected with the output of peripheral driver system and input respectively, the active layer of core absorbs the aqueous vapor in external environment and ionizes aqueous vapor, thus the aqueous vapor avoided in external environment enters into the phenomenon of AMOLED module or electronic equipment, this also just improves the reliability of AMOLED module or electronic equipment.Finally efficiently solve existing water oxygen obstruct mode and effectively can not solve the impact on AMOLED module and electronic equipment of aqueous vapor in external environment, thus cause the problem that the reliability of AMOLED module and electronic equipment is lower.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of a specific embodiment of ionization device of the present invention;
Fig. 2 is the cross-sectional view of another specific embodiment of ionization device of the present invention;
Fig. 3 is the structural representation of a specific embodiment of OLED module of the present invention;
Fig. 4 is the structural representation of another specific embodiment of OLED module of the present invention;
Fig. 5 is the cross-sectional view of another specific embodiment of OLED module of the present invention;
Fig. 6 is the schematic diagram of a specific embodiment of OLED module preparation method of the present invention.
Embodiment
For making technical solution of the present invention clearly, below in conjunction with drawings and the specific embodiments, the present invention is described in further details.
See Fig. 1, as a specific embodiment of ionization device 100 of the present invention, it comprises positive electrode 110 and negative electrode 120.Wherein, positive electrode 110 is applicable to the output being electrically connected peripheral driver system (not shown).Negative electrode 120 is applicable to the input being electrically connected peripheral driver system.Further, it also comprises the active layer 130 of core.The active layer 130 of core is formed between positive electrode 110 and negative electrode 120; And the material of the active layer 130 of core is conductive materials, and be added with ionizing water catalyst.
It by forming the active layer 130 of core between positive electrode 110 and negative electrode 120, adopt conductive materials as the material of the active layer 130 of core, and add ionizing water catalyst, thus after positive electrode 110 and negative electrode 120 are electrically connected with the output of peripheral driver system and input respectively, the active layer 130 of core effectively can absorb the aqueous vapor of its exterior ambient environment, and the aqueous vapor absorbed is ionized into hydrogen ion (H
+) and hydroxide ion (OH
-), simultaneously under the driving of peripheral drive system, the cation produce ionization and anion discharge ionization device 100, enter into AMOLED module or electronic equipment to stop aqueous vapor.Its mode replacing existing water oxygen to intercept by adopting the mode of ionizing water molecule, more effectively avoids aqueous vapor and enters phenomenon in AMOLED module or electronic equipment, thus improve the reliability of AMOLED module and electronic equipment.
It should be noted that conductive materials can be active metalloid when the material adopting conductive materials as the active layer 130 of core, as: the good materials of conductivity such as silver, copper, gold or aluminium.Its ionizing water catalyst added specifically can adopt and have hydrophilic material simultaneously, as: crome metal, aluminium, zinc etc.
Further, in order to make ionization device 100 of the present invention more fully the hydrone of surrounding outer environment can be ionized into ionic state, as a specific embodiment of ionization device 100 of the present invention, the structure of the active layer 130 of its core is preferably hydrophilic-structure.See Fig. 1, hydrophilic-structure herein specifically refers to by having hydrophilic material, as: the hydrophilic structure that crome metal, aluminium, zinc etc. are formed.It is by being preferentially set to hydrophilic-structure by the structure of active for core layer 130, make the active layer 130 of the core in ionization device 100 can absorb the hydrone of surrounding environment fully, and contribute to the ionization of hydrone, what finally make hydrone ionize is more abundant.This also just improves the ionization performance of ionization device 100 further, thus further increases the reliability of AMOLED module or electronic equipment.
See Fig. 2, as another specific embodiment of ionization device 100 of the present invention, the active layer 130 of its core can comprise cation transmission insulator layer 131, anion transmission insulator layer 132 and core stratum reticulare 133.Wherein, core stratum reticulare 133 be formed at cation transmission insulator layer 131 and anion transmit between insulator layer 132.Further, cation transmission insulator layer 131 is formed between negative electrode 120 and core stratum reticulare 133, and anion transmission insulator layer 132 is formed between core stratum reticulare 133 and positive electrode 110.
By active for core layer 130 being set to the sandwich structure that cation tunnel dielectric layer 131, core stratum reticulare 133 and anion transmission insulator layer 132 is formed, positive electrode 110 and negative electrode 120 are electrically connected output and the input of peripheral driver system respectively.After the hydrone of ionization device 100 surrounding outer environment enters the net region of the core stratum reticulare 133 of the active layer 130 of core, cation transmission insulator layer 131 and the anion transmission insulator layer 132 of corresponding position become conducting state, and ionization device 100 starts and hydrone ionization is become the hydrogen ion of positively charged and electronegative hydroxide ion thus.Due to the sucking action of positive and negative electrode 120, electronegative hydroxide ion and other micro-anions are near positive electrode 110 part, enter cation transmission insulator layer 131, transmit insulator layer 131 by cation and the anions such as hydroxide ion are transported out ionization device 100; The hydrogen ion of positively charged and other micro-cations, then near negative electrode 120 part, enter anion transmission insulator layer 132, transmit insulator layer 132 cations such as hydrogen ion are transported out ionization device 100 by anion; Finally achieve the ionization of hydrone.Structure is simple, is easy to realize.
Simultaneously, it is to be noted, the material of core stratum reticulare 133 is preferably hydrophilic material, thus make core stratum reticulare 133 can absorb the hydrone of surrounding outer environment more fully, to guarantee whole or most hydrone of ionization device 100 surrounding outer environment absorb and ionize, thus further promote the ionization performance of ionization device 100, to improve the reliability of AMOLED module and electronic equipment.
Preferably, hydrophilic material can be chromium, aluminium or zinc etc., also can be the hydroxide of chromium, aluminium or zinc etc.
Further, as a specific embodiment of ionization device 100 of the present invention, its positive electrode 110 and negative electrode 120 part all can adopt evaporation process to be prepared from, core stratum reticulare 133 in the active layer 130 of its core also can adopt evaporation process to be prepared, and the cation transmission insulator layer 131 in the active layer 130 of core and anion transmission insulator layer 132 can adopt coating process or sputtering technology to be prepared.Technique is simple, is easy to operation.
Accordingly, based on same inventive concept, present invention also offers a kind of OLED (OrganicLight-EmittingDiode, Organic Light Emitting Diode is also called Organic Electricity laser display) module 200, it comprises as above arbitrary described ionization device 100.
With reference to figure 3 and Fig. 4, as a specific embodiment of OLED module 200 of the present invention, it comprises substrate 210, the OLED 220 be formed on substrate 210, and it is peripheral to be arranged on OLED 220, for surrounding the encapsulated layer 230 of OLED.It also comprises as above arbitrary described ionization device 100.Ionization device 100 directly adds the surface being attached to encapsulated layer 230, or is arranged between substrate 210 and encapsulated layer 230.Namely the structure that ionization device 100 and substrate 210, OLED 220 and encapsulated layer 230 are formed can be divided into and add formula two kinds in mounted and structure.
Wherein, see Fig. 3, Fig. 4, add mounted structure and be specially: ionization device 100 is directly added and is attached to encapsulated layer 230 surface, and by coated for encapsulated layer 230, structure is simple, be easy to realize.Wherein, positive electrode 110 extension that "+" is ionization device 100, negative electrode 120 extension that "-" is ionization device 100.
See Fig. 4, in its structure, formula is then: be arranged between substrate 210 and encapsulated layer 230 by ionization device 100, and ionization device 100 is along the edge of substrate 210 around setting.Namely ionization device 100 is adopted all to be filled up in the gap between substrate 210 and encapsulated layer 230.Thus when the hydrone of OLED module 200 exterior ambient environment enters in OLED module 200, absorbed by ionization device 100 and ionize.In like manner, positive electrode 110 extension that "+" is ionization device 100, negative electrode 120 extension that "-" is ionization device 100.
It should be pointed out that see Fig. 5, as a specific embodiment of OLED module 200 of the present invention, its OLED 220 comprises TFT (ThinFilmTransistor, thin-film transistor) layer 221, anode 222, organic layer 223 and negative electrode 224.Wherein, TFT layer 221 is formed at substrate 210 surface; Anode 222 is formed between TFT layer 221 and organic layer 223; Organic layer 223 is formed at encapsulated layer 230 between anode 222 and negative electrode 224.Wherein, organic layer 223 specifically can comprise the cavitation layer 2230 being formed at anode 222 surface, is formed at the luminescent layer 2231 on cavitation layer 2230 surface and is formed at the electronic shell 2232 on luminescent layer 2231 surface.That is, as OLED module of the present invention, it is preferably AMOLED module.
Accordingly, see Fig. 6, for realizing any one OLED module above-mentioned, present invention also offers a kind of OLED module preparation method.First it specifically comprise the steps:, by performing step S100, OLED prepared by substrate.And then perform step S200, marginal position place preparation as above arbitrary described ionization device of OLED is not prepared at substrate.Finally, perform step S300, prepare encapsulated layer on ionization device surface and OLED periphery.
When OLED module is AMOLED module, step S100, substrate is prepared OLED specifically by realizing with under type: first, by step S110, substrate is prepared TFT layer.Wherein, the technique preparing TFT layer can be CVD (chemical vapour deposition (CVD)) technique, (Sputter) sputtering process, etching technics etc.Further, TFT layer not can be 9 layers, 10 layers or 12 layers not etc.And then by step S120, TFT layer prepares anode.After TFT layer has prepared anode, then by step S130, anode prepares organic layer.Wherein, organic layer comprises cavitation layer, luminescent layer and electronic shell successively.After organic layer to be done, and then by step S140, organic layer prepares negative electrode.Thus finally complete the preparation of OLED.
It should be noted that, in preparation OLED process, the preparation of anode, organic layer and negative electrode all can adopt evaporation process to realize.
After the preparation of OLED to be done, before the packaging, the preparation carrying out ionization device 100 is needed.Concrete, the preparation method of ionization device 100 is by realizing with under type:
One is, positive electrode 110 and negative electrode 120 are prepared by the marginal position place of not preparing OLED at substrate 210, and between positive electrode 110 and negative electrode 120, fill the active layer 130 of preparation core.Its concrete structure can be shown in Figure 5.
Another kind is, positive electrode 110 is prepared at the marginal position place of not preparing OLED at substrate 210, at the active layer 130 of positive electrode 110 surface preparation core, and prepares negative electrode 120 on core active layer 130 surface.
Another is then that negative electrode 120 is prepared at the marginal position place of not preparing OLED at substrate 210, at the active layer 130 of negative electrode 120 surface preparation core, and prepares positive electrode 110 on core active layer 130 surface.
Wherein, 130, preparation core active layer can be especially by: first, prepare anion transmission insulator layer 132 on positive electrode 110 surface; And then at anion transmission insulator layer 132 surface preparation core stratum reticulare 133; Finally, between core stratum reticulare 133 surface and negative electrode 120, prepare cation to transmit insulator layer 131 and realize.
It should be pointed out that positive electrode 110 in ionization device 100 and negative electrode 120 all can adopt evaporation process to be prepared, core stratum reticulare 133 also can adopt evaporation process to prepare.Cation transmission insulator layer 131 and anion transmission insulator layer 132 all can adopt coating process or sputtering technology preparation.
Further, based on same inventive concept, present invention also offers a kind of electronic equipment, it comprises any one OLED module 200 above-mentioned.Wherein, between the input that the ionization device 100 in OLED module 200 is connected electrically in the drive circuit of electronic equipment and output.Namely pass through using the drive circuit of electronic equipment as peripheral driver system, for providing driving-energy for ionization device 100.In addition, drive circuit can be preferably the supply unit of electronic equipment.Further, electronic equipment can be the various mobile electronic products such as mobile phone, computer and panel computer.
In order to clearer explanation technical solution of the present invention, be mobile phone below with electronic equipment be example, specific works flow process of the present invention is described in further details.
Wherein, the display screen of mobile phone adopts OLED module 200 of the present invention as display screen, and is provided with ionization device 100 in OLED module 200.The positive electrode 110 of ionization device 100 is electrically connected negative pole (the i.e. output of drive circuit of the supply unit of mobile phone, the namely output of peripheral driver system), the negative electrode 120 of ionization device 100 is electrically connected the positive pole (i.e. the input of drive circuit, the namely input of peripheral driver system) of the supply unit of mobile phone.
When mobile phone exterior ambient environment has aqueous vapor, and while in OLED module 200 display screen that aqueous vapor enters mobile phone, the active layer 130 of core being arranged in the ionization device 100 of OLED module 200 structure absorbs aqueous vapor, thus the cation transmission insulator layer 131 in the active layer 130 of core transmits insulator layer 132 conducting with anion, ionization device 100 starts ionization work.
Now, the aqueous vapor absorbed is ionized into cation and anion by the core stratum reticulare 133 in the active layer 130 of the core in ionization device 100.And after ionization terminates, after the aqueous vapor namely absorbed all is ionized to cation and anion, ionization terminates, and aqueous vapor is decomposed, and ionization device 100 terminates ionization work.
After ionization work stops, the cation be now decomposed out and anion, under the effect of positive and negative attraction, are adsorbed to anion transmission insulator layer 132 and cation transmission insulator layer 131 respectively.
Now, whether the supply unit of mobile phone is in ionized state by perception ionization device 100, and perceiving after ionized state terminates, starting ion transportation, entering ion transfer and go out OLED module 200 state.That is, the supply unit of mobile phone is after detecting that ionization device 100 terminates ionized state, opens the electrophorevis waveform structure of positive electrode 110, negative electrode 120.Wherein, the electrophoresis that Wave crest and wave trough is different, produces the impetus to ion, thus the negative ions being less than hydrone is all gone out OLED module 200 internal structure of mobile phone.It intercepts by adopting this active mode of ionizing water molecule to realize water oxygen, to substitute traditional passive mode such as encapsulation, shielding, make water oxygen barriering effect stronger, the aqueous vapor that finally effectively prevent in external environment enters the phenomenon in electronic product and OLED module 200, ensure that the reliability of electronic equipment and OLED module 200.
Simultaneously, it should be noted that, carry out in ionization process at ionization device 100 to the hydrone absorbed, the heat that Absorbable rod is a large amount of, and then can directly lower the temperature to electronic equipment and OLED module 200, it not only effectively improves the environment for use of electronic equipment and OLED module 200, ensure that the reliability of electronic equipment and OLED module 200, also achieve the cooling to electronic equipment and OLED module 200 simultaneously, further increase the reliability of electronic equipment and OLED module 200.
The above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. an ionization device, is characterized in that, comprises positive electrode and negative electrode;
Described positive electrode is applicable to the output being electrically connected peripheral driver system;
Described negative electrode is applicable to the input being electrically connected described peripheral driver system;
Also comprise the active layer of core;
The active layer of described core is formed between described positive electrode and described negative electrode; And
The material of the active layer of described core is conductive materials, and is added with ionizing water catalyst.
2. ionization device according to claim 1, is characterized in that, the structure of the active layer of described core is hydrophilic-structure.
3. ionization device according to claim 1, is characterized in that, the active layer of described core comprises cation transmission insulator layer, anion transmission insulator layer and core stratum reticulare;
Described core stratum reticulare is formed at described cation transmission insulator layer and described anion transmits between insulator layer; And
Described cation transmission insulator layer is formed between described negative electrode and described core stratum reticulare;
Described anion transmission insulator layer is formed between described core stratum reticulare and described positive electrode.
4. ionization device according to claim 3, is characterized in that, the material of described core stratum reticulare is hydrophilic material.
5. an OLED module, is characterized in that, comprising:
Substrate;
OLED, described OLED is formed on described substrate;
Encapsulated layer, described encapsulated layer is arranged at the periphery of described OLED, surrounds described OLED;
Ionization device described in any one of Claims 1-4, described ionization device add be attached to described encapsulated layer surface or be arranged between described substrate and described encapsulated layer.
6. OLED module according to claim 5, is characterized in that, described OLED comprises TFT layer, anode, organic layer and negative electrode;
Described TFT layer is formed at described substrate surface;
Described anodic formation is between described TFT layer and described organic layer;
Described organic layer is formed between described anode and described negative electrode.
7. an OLED module preparation method, is characterized in that, comprises the steps:
OLED prepared by substrate;
The ionization device described in any one of claim 1 to 5 is prepared at the marginal position place that described OLED do not prepared by described substrate;
Encapsulated layer is prepared on described ionization device surface and described OLED periphery.
8. OLED module preparation method according to claim 7, is characterized in that, the ionization device described in described any one of preparation Claims 1-4, comprises the steps:
Positive electrode and negative electrode are prepared by the marginal position place of not preparing described OLED at described substrate, and between described positive electrode and described negative electrode, fill the active layer of preparation core; Or
Described positive electrode is prepared at the marginal position place of not preparing described OLED at described substrate, prepares the active layer of core in described positive electrode surface, and at the described negative electrode of described core active layer surface preparation; Or
Described negative electrode is prepared at the marginal position place of not preparing described OLED at described substrate, prepares the active layer of core at described negative electrode surface, and at the described positive electrode of described core active layer surface preparation.
9. OLED module preparation method according to claim 8, is characterized in that, prepares the active layer of described core, comprises the steps:
Anion transmission insulator layer is prepared in described positive electrode surface;
At described anion transmission insulator layer surface preparation core stratum reticulare;
Between described core stratum reticulare surface and described negative electrode, prepare cation transmit insulator layer.
10. an electronic equipment, is characterized in that, comprises the OLED module described in claim 5 or 6; And between the input that is connected electrically in the drive circuit of described electronic equipment of the ionization device in described OLED module and output.
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| US20090057133A1 (en) * | 2003-11-24 | 2009-03-05 | Vladimir Kouznetsov | Method and Apparatus for Reactive Solid-Gas Plasma Deposition |
| CN201042665Y (en) * | 2007-05-22 | 2008-04-02 | 方华 | Plasma ionization reaction equipment for both water treatment and oil treatment |
| US20130167724A1 (en) * | 2011-12-21 | 2013-07-04 | Industrial Technology Research Institute | Device for desorption and dehumidification and system using the same |
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Effective date of registration: 20201202 Address after: No.146 Tianying Road, high tech Zone, Chengdu, Sichuan Province Patentee after: Chengdu CHENXIAN photoelectric Co.,Ltd. Address before: 215300, 188, Feng Feng Road, Kunshan hi tech Zone, Suzhou, Jiangsu, Kunshan Patentee before: Kunshan New Flat Panel Display Technology Center Co.,Ltd. |