CN204808292U - Touch -sensitive display device and pressure touch -control unit - Google Patents
Touch -sensitive display device and pressure touch -control unit Download PDFInfo
- Publication number
- CN204808292U CN204808292U CN201520464131.5U CN201520464131U CN204808292U CN 204808292 U CN204808292 U CN 204808292U CN 201520464131 U CN201520464131 U CN 201520464131U CN 204808292 U CN204808292 U CN 204808292U
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- line layer
- folding
- areal coverage
- flexible pcb
- pressure touch
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- 239000012528 membrane Substances 0.000 claims abstract description 36
- 239000000463 material Substances 0.000 claims description 16
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 230000008054 signal transmission Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 4
- 238000004804 winding Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 abstract 1
- 239000010408 film Substances 0.000 description 43
- IYZWUWBAFUBNCH-UHFFFAOYSA-N 2,6-dichlorobiphenyl Chemical compound ClC1=CC=CC(Cl)=C1C1=CC=CC=C1 IYZWUWBAFUBNCH-UHFFFAOYSA-N 0.000 description 17
- 238000010586 diagram Methods 0.000 description 8
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- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 description 4
- 229920001721 polyimide Polymers 0.000 description 4
- 239000002033 PVDF binder Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
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- 239000011810 insulating material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229960001296 zinc oxide Drugs 0.000 description 1
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Abstract
The utility model relates to a pressure touch -control unit and adopt the touch -sensitive display device of this pressure touch -control unit. Pressure touch -control unit includes the flexible circuit board and sets up the piezoelectric film sensor on the flexible circuit board, wherein the flexible circuit board covers the membrane including the first surface that sets gradually, the the first line layer, the substrate, the second line layer and second surface cover membrane, set up fold domain and non - fold domain on the flexible circuit board, the fold domain is used for installing piezoelectric film sensor, the fold domain includes first folding overlay region, the folding overlay region of second is first with the connection, the district of buckling of the folding overlay region of second, piezoelectric film sensor includes the piezoelectric membrane, and the piezoelectric membrane setting is in the fold domain, and adheres with the first line layer first, the folding overlay region of second respectively in upper and lower surface. It is integrated with the flexible circuit board with piezoelectric film sensor, can simplify the winding displacement design, do benefit to the equipment of pressure touch -control unit in touch -sensitive display device.
Description
Technical field
The utility model belongs to touch-control display field, relates to a kind of touch control display apparatus, particularly relates to a kind of touch control display apparatus with pressure sensing effect.
Background technology
At present, there is the electronic products such as the mobile phone of touch controllable function, panel computer, TV and adopt capacitance touching control scheme more and more.But capacitance type touch control screen also exists many defects, such as, when the palm of larger area or conductor to cause the erroneous judgement of capacitance type touch control screen near capacitance type touch control screen instead of when touching; In a humid environment or capacitance touching control screen surfaces there is water droplet, spot time, also can cause the maloperation of capacitance type touch control screen or operate insensitive; In addition, the hand of band gloves can not be adopted or hold nonconducting object and carry out normal running capacitance type touch control screen.
The maloperation problem of capacitance type touch control screen can be caused for capacitance type touch control screen surface moisture or when depositing spot, not yet occur that gratifying scheme can be solved at present.Part manufacturer is had to improve touch control operation effect when being with gloves by modes such as the sensitivity of raising capacitance type touch control screen, but this scheme can make the capacitance type touch control screen when not being with gloves to operate too sensitive and produce maloperation, and this scheme can not solve the touch control operation of nonconducting object in addition.
Also have part manufacturer by being combined the touch scheme of pressure transducer, such as, adopt piezoelectric membrane.When piezoelectric membrane is under the condition of pressurized or tension, because material has the self-characteristic of piezoelectric effect, the contrary induced charge of symbol can be produced in the both sides of piezoelectric membrane.The force snesor prepared by piezoelectric membrane is widely used in the pressure test field in various commercial production.Existing piezoelectric film sensor needs to prepare an electrode respectively in piezoelectric membrane upper and lower surface; need to increase by an electromagnetic shielding conductive layer more respectively outward at upper/lower electrode to resist electromagnetic interference (EMI) simultaneously; and need between electromagnetic shielding conductive layer and electrode to encapsulate with insulating material, the outside surface of both sides is also protected by two insulating base material.So cause thickness very large, simultaneously because the many preparation process of the number of plies are lengthy and jumbled, be unfavorable for being applied to microelectronic, particularly the mobile terminal device such as mobile phone, flat board.In addition, when needs adopt multiple piezoelectric film sensor to carry out Test Application, piezoelectric film sensor can be connected to determinand surface by the mode of pasting or weld, and it is comparatively complicated that the circuit between piezoelectric film sensor connects winding displacement, installs inconvenient.
Utility model content
Based on this, be necessary for the problems referred to above, a kind of pressure touch unit be provided and adopt the touch control display apparatus of this pressure touch unit.
A kind of pressure touch unit, comprises flexible PCB and is combined the piezoelectric film sensor arranged with flexible PCB, wherein:
Described flexible PCB comprises the first surface coverlay, first line layer, base material, the second line layer and the second surface coverlay that set gradually, described flexible PCB is arranged fold domain and non-collapsible region, described fold domain is for installing described piezoelectric film sensor, described fold domain comprises the first folding areal coverage, the second folding areal coverage and the bent area being connected first, second folding areal coverage, there is opening in the part of the first surface coverlay of the correspondence on first, second folding areal coverage, thus exposed first line layer;
Described piezoelectric film sensor comprises piezoelectric membrane, described piezoelectric membrane is arranged on the fold domain of flexible PCB, and the first line layer of the lower surface of piezoelectric membrane and the first folding areal coverage bonds, the first line layer of the upper surface of piezoelectric membrane and the second folding areal coverage bonds.
Above-mentioned pressure touch unit by piezoelectric film sensor and flexible PCB integrated, can solve winding displacement when using multiple pressure transducer complicated, the problems such as inconvenience are installed, and the detection of power of curved surface or multi-surface object can also be applied to.The utility model adopts fold design simultaneously, can reduce the thickness in flexible PCB non-collapsible region, be more suitable for being applied in various types of touch control display apparatus.
Wherein in an embodiment, described piezoelectric film sensor also comprises the top electrode and bottom electrode that lay respectively at the upper and lower surface of piezoelectric membrane, the first line layer of described top electrode and the second folding areal coverage bonds, and the first line layer of described bottom electrode and the first folding areal coverage bonds.
Wherein in an embodiment, the upper and lower electrode of described piezoelectric film sensor is conducting resinl, and directly the first line layer of folding areal coverage bonds described top electrode with second, and directly the first line layer of folding areal coverage bonds described bottom electrode with first.
Wherein in an embodiment, described lower surface is bonded by the first line layer of conducting resinl and the first folding areal coverage, and described upper surface is bonded by the first line layer of another conducting resinl and the second folding areal coverage.
Wherein in an embodiment, described lower surface is bonded by the first line layer of non-conductive adhesive and the first folding areal coverage, and described upper surface is bonded by the first line layer of another non-conductive adhesive and the second folding areal coverage.
Wherein in an embodiment, described second line layer is as electro-magnetic screen layer, described first line layer is as the electric signal transmission layer of piezoelectric film sensor, and first line layer also comprises the circuit for ground connection, described base material arranges through hole, makes the connection for ground connection in the second line layer and first line layer.
Wherein in an embodiment, in the non-collapsible region of described flexible PCB, conductive shielding layer is set on first surface coverlay, and first surface coverlay offers window, make the connection for ground connection in conductive shielding layer and first line layer.
Wherein in an embodiment, described first line layer draws signal feeler in the interface end of flexible PCB, for drawing ground connection feeler in the interface end of flexible PCB after the connection of ground connection in described second line layer and first line layer, described signal feeler and ground connection feeler are positioned at same plane.
Wherein in an embodiment, the thickness of described piezoelectric membrane is 0.05-2 μm.
The utility model also provides a kind of touch control display apparatus, comprises any one pressure touch unit above-mentioned.
Accompanying drawing explanation
The flexible PCB contour structures schematic diagram before being folded adopted in the pressure touch unit that Fig. 1 provides for the utility model one embodiment;
Fig. 2 is part structure for amplifying schematic diagram in Fig. 1 circle; The flexible PCB contour structures schematic diagram before being folded adopted in the pressure touch unit that the utility model one embodiment provides;
Fig. 3 for flexible PCB shown in Fig. 3 be combined with piezoelectric film sensor after contour structures schematic diagram;
The flexible PCB adopted in the pressure touch unit that Fig. 4 provides for the utility model one embodiment before being folded with the cross section structure schematic diagram of piezoelectric film sensor junction;
Fig. 5 for flexible PCB shown in Fig. 3 be combined with piezoelectric film sensor after cross section structure schematic diagram;
Fig. 6 is for flexible PCB shown in Fig. 1 is at the Facad structure schematic diagram of interface end;
Fig. 7 is for flexible PCB shown in Fig. 1 is at the cross section structure schematic diagram of interface end.
Embodiment
As shown in Figure 1, Figure 2 with shown in Fig. 5, a kind of pressure touch unit that the utility model one embodiment provides, comprises flexible PCB 10 and is combined the piezoelectric film sensor 20 arranged with flexible PCB 10.
As shown in Figure 4, flexible PCB 10 comprises the first surface coverlay 11, first line layer 12, base material 13, second line layer 14 and the second surface coverlay 15 that set gradually.Wherein the material of first surface coverlay 11, base material 13 and second surface coverlay 15 is organic film, such as polyimide (PI) film or PET (PET) film.First line layer 12, second line layer 14 can be layers of copper.
In one embodiment, second line layer 14 is as electro-magnetic screen layer, described first line layer 12 is as the charge signal transport layer of piezoelectric film sensor 20, and first line layer 12 also comprises the circuit for ground connection, described base material 13 arranges through hole, makes the connection for ground connection in the second line layer 14 and first line layer 12.
As shown in Figure 1 and Figure 2, described flexible PCB 10 is arranged fold domain 101 and non-collapsible region 105, described fold domain 101 is for installing described piezoelectric film sensor 20.Described fold domain 100 comprises the first folding areal coverage 103, folding areal coverage 102, second and the bent area 104 being connected first, second folding areal coverage 102,103.Along bent area 104, first, second folding areal coverage 102,103 doubling can be made.There is opening in the part of the first surface coverlay 11 of the correspondence on first, second folding areal coverage 102,103, thus exposed first line layer 12, be electrically connected or non-electric connection for being formed with piezoelectric film sensor 20.The contour structures of first, second the folding areal coverage 102,103 after doubling as shown in Figure 3.
Further, as shown in Figure 4, in certain embodiments, in the non-collapsible region 105 of described flexible PCB 10, conductive shielding layer 17 is set on first surface coverlay 11, and first surface coverlay 11 offers window (not shown), make the connection for ground connection in conductive shielding layer 17 and first line layer 11.Acting as of second line layer 14 and conductive shielding layer 17, when in this pressure touch unit application to the touch control display apparatus such as smart mobile phone, by carrying out grounding to the second line layer 14 and conductive shielding layer 17, the electromagnetic interference (EMI) of the signal of outer bound pair piezoelectric film sensor 20 can be reduced.
In the fold domain 101 of described flexible PCB 10, conducting resinl 16 is set on exposed first line layer 11, for bonding piezoelectric film sensor 20.
For reducing the cost of pressure touch unit, improve the utilization factor of flexible PCB 10, the flexible PCB 10 of its integrated piezoelectric thin film sensor 20 can be as a whole, or comprise two or more flexible PCB, such as zero insertion force (ZeroInsertionForce by syndeton between multiple flexible PCB, ZIF) connected structure or plate reach connection to plate (BoardToBoard, BTB) snap arrangement.In addition, as shown in fig. 1, flexible PCB 10 can be arranged multiple fold domain 101, then the multiple piezoelectric film sensor 20 of accessible site.When in this pressure touch unit application to touch control display apparatus, multiple piezoelectric film sensors 20 can be positioned at the diverse location of touch control display apparatus, can obtain the pressure sensitive signal of the diverse location of touch control display apparatus simultaneously.
As shown in Figure 4, in one embodiment, described piezoelectric film sensor 20 comprises piezoelectric membrane 201 and lays respectively at top electrode 202 and the bottom electrode 203 of piezoelectric membrane 201 both sides, described piezoelectric film sensor 20 is arranged on the fold domain 101 of flexible PCB 10, and utilize conducting resinl or non-conductive adhesive to be bonded by the first line layer 12 of described bottom electrode 203 and the first folding areal coverage 102, the first line layer 12 of described top electrode 202 and the second folding areal coverage 103 is bonded.
In another embodiment, piezoelectric membrane 201 upper and lower surface of described piezoelectric film sensor 20 does not establish electrode, and directly the first line layer 12 of the upper surface of piezoelectric membrane 201 and the first folding areal coverage 102 is bonded by conducting resinl or non-conductive adhesive, the first line layer 12 of the lower surface of piezoelectric membrane 201 and the second folding areal coverage 103 is bonded.
The material of piezoelectric membrane 201 comprises inorganic piezoelectric membraneous material, organic piezoelectric film material, wherein inorganic piezoelectric membraneous material can be zinc-oxide film, Al-Doped ZnO film, PLZT ceramics (PLZT) piezoelectric membrane and other piezoceramic material, and organic piezoelectric film can be other polyesters piezoelectric membranes such as polyvinylidene fluoride (PVDF), porous polypropylene piezoelectric membrane, PLA piezoelectric membrane.Wherein piezoelectric membrane 201 is very thin, and thickness is 0.05-2 μm.
When piezoelectric film sensor 20 is integrated be arranged in this flexible PCB 10 time, the second line layer 14 in flexible PCB 10 and conductive shielding layer 17 act as the screen layer of piezoelectric film sensor 310, due to the grounding of screen layer, the electric signal of external electrical field and influence of magnetic field piezoelectric film sensor 20 can not be made.
Be appreciated that this piezoelectric film sensor 20 is by other configuration components and parts such as operational amplifier (comprising electric charge one-level and voltage second amplifying circuit) and single-chip microcomputer etc., completes pressure sensitive function jointly.Operational amplifier, single-chip microcomputer can integratedly be arranged on flexible PCB 10, also can be arranged on the mainboard of touch control display apparatus.
When the piezoelectric membrane 201 of piezoelectric film sensor 20 is stressed, its upper and lower surface can produce induced charge, when adopting the first line layer 12 in conducting resinl bonding piezoelectric membrane 201 and flexible PCB 10, by the first line layer 12 in flexible PCB 10, charge signal is transferred to operational amplifier.Transfer to single-chip microcomputer through operational amplifier amplifying signal to carry out analog to digital conversion and become digital signal, set up the corresponding relation of touch pressure and signal, thus detect touch-control pressure by detecting charge signal.Be appreciated that, when the piezoelectric membrane 201 of piezoelectric film sensor 20 is stressed, its upper and lower surface can produce induced charge, and produce electric capacity between corresponding upper and lower surface, the size of electric capacity is relevant to pressure size, therefore, in another embodiment, also can transmit capacitance signal by first line layer 12, then carry out analog to digital conversion from single-chip microcomputer and become digital signal, set up the corresponding relation of touch pressure and capacitance signal, thus detecting capacitance signal detects touch-control pressure.
When adopting non-conductive adhesive to connect first line layer 12 with piezoelectric sensor 20, when piezoelectric membrane pressurized and upper and lower surface produce electric charge, produce electric capacity between the first line layer 12 of upper surface and the first folding areal coverage 102, between the first line layer 12 of lower surface and the second folding areal coverage 103, also produce electric capacity.By detecting these capacitance signals, also touch-control pressure can be detected.
When user's finger or other conductor carry out touch operation to touch control display apparatus, because touch control display apparatus is stressed, this power is transmitted to pressure touch unit, pressure touch unit can detect point force information of each piezoelectric film sensor 20 present position, the position residing for the size of component and piezoelectric film sensor 20 can Obtaining Accurate touch point positional information and by force information.
As shown in Figure 6 and Figure 7, be front view (FV) and the sectional view of the interface end 100 of flexible PCB 10.At interface end place, the first line layer 12 of the electrode of each piezoelectric film sensor 20 of the connection on flexible PCB 10 is drawn and is formed multiple signal feeler 121.In addition, the second line layer 14 and conductive shielding layer 17 are by extending to form ground connection feeler 122, for grounding for the line conduction of ground connection in corresponding passage (through hole, window) and first line layer 11.Ground connection feeler 122 and signal feeler 121 are all in same plane, thus can be connected with the connector of outside.There is stiffening plate 18 in the below of second surface coverlay 15, stiffening plate 18 can be made up of materials such as polyimide (PI) or polyethylene terephthalates (PET).
The utility model also provides a kind of touch control display apparatus comprising above-mentioned pressure touch unit.This touch control display apparatus can comprise the existing structures such as cover sheet, display unit, capacitive touch control unit.The utility model by by mode integrated to piezoelectric film sensor and flexible PCB, can solve winding displacement when using multiple pressure transducer complicated, the problems such as inconvenient are installed, and the detection of power of curved surface or multi-surface object can also be applied to.Adopt the mode of folded flexible circuitry plate to be integrated on flexible PCB by piezoelectric film sensor simultaneously, the effect of the electromagnetic screen that the flexible PCB that the flexible PCB of thin layer can be utilized to reach have sandwich construction is same, thus can reduce the thickness of pressure touch unit while there is better Signal transmissions effect, make pressure touch unit be more suitable for being applied in the mobile terminal device such as mobile phone, flat board.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this instructions is recorded.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. a pressure touch unit, is characterized in that comprising flexible PCB and being combined the piezoelectric film sensor arranged with flexible PCB, wherein:
Described flexible PCB comprises the first surface coverlay, first line layer, base material, the second line layer and the second surface coverlay that set gradually, described flexible PCB is arranged fold domain and non-collapsible region, described fold domain is for installing described piezoelectric film sensor, described fold domain comprises the first folding areal coverage, the second folding areal coverage and the bent area being connected first, second folding areal coverage, there is opening in the part of the first surface coverlay of the correspondence on first, second folding areal coverage, thus exposed first line layer;
Described piezoelectric film sensor comprises piezoelectric membrane, described piezoelectric membrane is arranged on the fold domain of flexible PCB, and the first line layer of the lower surface of piezoelectric membrane and the first folding areal coverage bonds, the first line layer of the upper surface of piezoelectric membrane and the second folding areal coverage bonds.
2. pressure touch unit according to claim 1, it is characterized in that, described piezoelectric film sensor also comprises the top electrode and bottom electrode that lay respectively at the upper and lower surface of piezoelectric membrane, the first line layer of described top electrode and the second folding areal coverage bonds, and the first line layer of described bottom electrode and the first folding areal coverage bonds.
3. pressure touch unit according to claim 2, it is characterized in that, the upper and lower electrode of described piezoelectric film sensor is conducting resinl, directly the first line layer of folding areal coverage bonds described top electrode with second, and directly the first line layer of folding areal coverage bonds described bottom electrode with first.
4. pressure touch unit according to claim 1, is characterized in that, described lower surface is bonded by the first line layer of conducting resinl and the first folding areal coverage, and described upper surface is bonded by the first line layer of another conducting resinl and the second folding areal coverage.
5. pressure touch unit according to claim 1, it is characterized in that, described lower surface is bonded by the first line layer of non-conductive adhesive and the first folding areal coverage, and described upper surface is bonded by the first line layer of another non-conductive adhesive and the second folding areal coverage.
6. pressure touch unit according to claim 1, it is characterized in that, described second line layer is as electro-magnetic screen layer, described first line layer is as the electric signal transmission layer of piezoelectric film sensor, and first line layer also comprises the circuit for ground connection, described base material arranges through hole, makes the connection for ground connection in the second line layer and first line layer.
7. pressure touch unit according to claim 6, it is characterized in that, in the non-collapsible region of described flexible PCB, on first surface coverlay, conductive shielding layer is set, and first surface coverlay offers window, make the connection for ground connection in conductive shielding layer and first line layer.
8. pressure touch unit according to claim 6, it is characterized in that, described first line layer draws signal feeler in the interface end of flexible PCB, for drawing ground connection feeler in the interface end of flexible PCB after the connection of ground connection in described second line layer and first line layer, described signal feeler and ground connection feeler are positioned at same plane.
9. pressure touch unit according to claim 1, is characterized in that, the thickness of described piezoelectric membrane is 0.05-2 μm.
10. a touch control display apparatus, comprises the pressure touch unit in claim 1-9 item described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520464131.5U CN204808292U (en) | 2015-07-01 | 2015-07-01 | Touch -sensitive display device and pressure touch -control unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520464131.5U CN204808292U (en) | 2015-07-01 | 2015-07-01 | Touch -sensitive display device and pressure touch -control unit |
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| Publication Number | Publication Date |
|---|---|
| CN204808292U true CN204808292U (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520464131.5U Withdrawn - After Issue CN204808292U (en) | 2015-07-01 | 2015-07-01 | Touch -sensitive display device and pressure touch -control unit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106125976A (en) * | 2016-06-20 | 2016-11-16 | 厦门天马微电子有限公司 | Integrated touch control display apparatus |
| CN106325626A (en) * | 2015-07-01 | 2017-01-11 | 南昌欧菲光科技有限公司 | Touch display device and pressure touch unit |
| CN109600461A (en) * | 2017-09-30 | 2019-04-09 | 南昌欧菲生物识别技术有限公司 | Housing unit and electronic device |
| CN110265457A (en) * | 2019-06-27 | 2019-09-20 | 京东方科技集团股份有限公司 | Organic light emitting display panel and preparation method |
-
2015
- 2015-07-01 CN CN201520464131.5U patent/CN204808292U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106325626A (en) * | 2015-07-01 | 2017-01-11 | 南昌欧菲光科技有限公司 | Touch display device and pressure touch unit |
| CN106325626B (en) * | 2015-07-01 | 2024-03-15 | 安徽精卓光显技术有限责任公司 | Touch display device and pressure touch unit |
| CN106125976A (en) * | 2016-06-20 | 2016-11-16 | 厦门天马微电子有限公司 | Integrated touch control display apparatus |
| CN109600461A (en) * | 2017-09-30 | 2019-04-09 | 南昌欧菲生物识别技术有限公司 | Housing unit and electronic device |
| CN110265457A (en) * | 2019-06-27 | 2019-09-20 | 京东方科技集团股份有限公司 | Organic light emitting display panel and preparation method |
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| C14 | Grant of patent or utility model | ||
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Address after: 330000 Jiangxi city of Nanchang province Huangjiahu road Nanchang economic and Technological Development Zone Patentee after: Nanchang OFilm Tech. Co.,Ltd. Patentee after: Ophiguang Group Co.,Ltd. Patentee after: SUZHOU OFILM TECH Co.,Ltd. Address before: 330000 Jiangxi city of Nanchang province Huangjiahu road Nanchang economic and Technological Development Zone Patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: OFilm Tech Co.,Ltd. Patentee before: SUZHOU OFILM TECH Co.,Ltd. Address after: 330000 Jiangxi city of Nanchang province Huangjiahu road Nanchang economic and Technological Development Zone Patentee after: Nanchang OFilm Tech. Co.,Ltd. Patentee after: OFilm Tech Co.,Ltd. Patentee after: SUZHOU OFILM TECH Co.,Ltd. Address before: 330000 Jiangxi city of Nanchang province Huangjiahu road Nanchang economic and Technological Development Zone Patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: Shenzhen OFilm Tech Co.,Ltd. Patentee before: SUZHOU OFILM TECH Co.,Ltd. |
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Effective date of registration: 20210420 Address after: 231323 Building 1, precision electronics industrial park, Hangbu Town, Shucheng County, Lu'an City, Anhui Province Patentee after: Anhui jingzhuo optical display technology Co.,Ltd. Address before: 330000 Jiangxi city of Nanchang province Huangjiahu road Nanchang economic and Technological Development Zone Patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: Ophiguang Group Co.,Ltd. Patentee before: SUZHOU OFILM TECH Co.,Ltd. |
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Granted publication date: 20151125 Effective date of abandoning: 20240315 |
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Granted publication date: 20151125 Effective date of abandoning: 20240315 |
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