CN104991365A - Liquid crystal display panel integrated with NFC antenna and manufacturing method of same - Google Patents
Liquid crystal display panel integrated with NFC antenna and manufacturing method of same Download PDFInfo
- Publication number
- CN104991365A CN104991365A CN201510375387.3A CN201510375387A CN104991365A CN 104991365 A CN104991365 A CN 104991365A CN 201510375387 A CN201510375387 A CN 201510375387A CN 104991365 A CN104991365 A CN 104991365A
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- Prior art keywords
- nfc antenna
- glass substrate
- display panels
- integrated
- cabling
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 239000004973 liquid crystal related substance Substances 0.000 title abstract description 10
- 239000000758 substrate Substances 0.000 claims abstract description 71
- 239000011521 glass Substances 0.000 claims abstract description 70
- 238000000034 method Methods 0.000 claims description 21
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 claims description 8
- 238000005240 physical vapour deposition Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000005229 chemical vapour deposition Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 10
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 2
- 230000003287 optical effect Effects 0.000 description 11
- 239000000203 mixture Substances 0.000 description 8
- 238000004891 communication Methods 0.000 description 7
- 230000035945 sensitivity Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- JPOPEORRMSDUIP-UHFFFAOYSA-N 1,2,4,5-tetrachloro-3-(2,3,5,6-tetrachlorophenyl)benzene Chemical compound ClC1=CC(Cl)=C(Cl)C(C=2C(=C(Cl)C=C(Cl)C=2Cl)Cl)=C1Cl JPOPEORRMSDUIP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004068 intracellular signaling Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention provides a liquid crystal display panel integrated with NFC antenna. The liquid crystal display panel comprises an upper glass substrate, a lower substrate opposite to the upper glass substrate and the NFC antenna, wherein the NFC antenna is a newly-added walking line or a present walking line on the upper glass substrate and/or the lower glass substrate. The antenna can be directly manufactured from the liquid crystal display panel, so extra cost and production technology complexity cannot be increased and large scale production can be facilitated; antenna functions can be realized via a present ITO line on the panel; and the NFC antenna can be realized without a change of the present panel.
Description
Technical field
The present invention relates to handheld device field, be specifically related to there is near field wireless communication function and there is the handheld device field of display panels.
Background technology
NFC(Near Field Communication) mean near field communication technology, be a kind of radiotelegraphy of short distance high frequency, run in tens cm distance in 13.56MHz frequency and realize wireless communication transmission.This technology is developed by non-contact radio-frequency identification (RFID), and jointly developed by Philips Semiconductors (Xian Enzhi Pu semiconductor company), Nokia and Sony, its basis is RFID and interconnection technique.Along with the smart mobile phone of the develop rapidly of mobile communication technology, particularly rising in recent years, make mobile phone not be simple communication tool, and have the function of mobile payment concurrently.Compared with other wireless communication technique, NFC can provide a kind of wireless connect technology communicated easily, safely, rapidly.Secondly, NFC and existing contactless smart card technology compatibility, become the official standard that more and more leading firm supports.Again, NFC or one closely connection protocol.Therefore, NFC, as the in-plant secret communication mode of one, is particularly suitable for mobile payment service.
In existing NFC technique, the implementation of NFC antenna has multiple choices.A kind of mode is produced on NFC antenna on the PCB mainboard of mobile phone, and shortcoming is that NFC antenna can take more PCB space, and if the device on antenna distance PCB mainboard is comparatively near, the sensitivity of antenna can be affected; Another kind of conventional mode is back side NFC antenna being fabricated into battery, fit on battery back-sheet, such as Chinese invention patent application, application number: in 200910223848.X, see Fig. 1, between the ferrite 103 of NFC antenna 102 on battery body 104 and label paper 101, the technical disadvantages of this way is: if phone housing adopts metal material, the sensitivity of antenna can be greatly affected.Also have in a kind of implementation, see Chinese utility model patent, application number: 200820150625.6, as shown in Figure 2, NFC antenna coil 201 is positioned on flexible PCB 202, and flexible PCB is fitted in the non-display area of display panels, thus the affected problem of sensitivity that solution conventional fabrication method brings, and the space of PCB mainboard can not be taken.The shortcoming of this mode is, needs to provide flexible PCB, increases cost; And in the production run of display panels, one attaching process need be increased, add process fabrication steps and bring possible yield issues.
Summary of the invention
The object of the invention is to the NFC technique being implemented in portable electron device, and the configuration NFC antenna optimized, improve the sensitivity of NFC antenna, Controlling Technology cost of manufacture.
The invention provides a kind of display panels being integrated with NFC antenna, comprising:
Top glass substrate respect to one another and lower glass substrate;
NFC antenna, described NFC antenna is be arranged at the newly-increased cabling of top glass substrate and/or lower glass substrate or existing cabling.
Preferably, described display panels also comprises the public electrode being arranged at top glass substrate lower surface; Described NFC antenna is the newly-increased cabling be looped around around described public electrode.
Preferably, described display panels also comprises the show electrode being arranged at lower glass substrate upper surface; Described NFC antenna is the existing cabling be looped around around described show electrode.
Preferably, described existing cabling is public electrode cabling.
Preferably, described display panels also comprises the show electrode being arranged at lower glass substrate upper surface; Described NFC antenna is the newly-increased cabling be looped around around described show electrode.
Preferably, the material of described NFC antenna is tin indium oxide.
The present invention also provides a kind of manufacture method being integrated with the display panels of NFC antenna, comprising:
Top glass substrate respect to one another and lower glass substrate are provided;
NFC antenna is formed by adding newly-increased cabling to described top glass substrate and/or lower glass substrate or sharing existing cabling.
Preferably, form public electrode in described top glass substrate lower surface and add the newly-increased cabling formation NFC antenna around described public electrode.
Preferably, described NFC antenna and described public electrode are formed at described top glass substrate lower surface by same processing step.
Preferably, the mode that described NFC antenna and described public electrode adopt physical vapour deposition (PVD) or chemical vapor deposition is formed.
Preferably, form show electrode in described lower glass substrate upper surface and share the existing cabling formation NFC antenna around described show electrode.
Preferably, described existing cabling is public electrode cabling.
Preferably, form show electrode in described lower glass substrate upper surface and add the newly-increased cabling formation NFC antenna around described show electrode.
Preferably, described NFC antenna is made up of tin indium oxide.
Invention proposes a kind of brand-new NFC antenna method for making, namely directly produces antenna on the lcd panel out, both can not increase extra cost, and also can not increase the complicacy of production technology, be very beneficial for large-scale production; Also can utilize existing ITO(tin indium oxide on panel) circuit to realize the function of antenna, NFC antenna can be realized on the basis not changing existing panel.
Accompanying drawing explanation
By Figure of description and subsequently together with Figure of description for illustration of the embodiment of some principle of the present invention, the further feature that the present invention has and advantage will become clear or more specifically be illustrated.
Fig. 1 is the structural representation of NFC antenna in portable electron device in prior art;
Fig. 2 is the structural representation of another kind of NFC antenna in portable electron device in prior art;
Fig. 3 is the side sectional view of the display panels composition structure of one embodiment of the invention;
Fig. 4 is the vertical view of the display panels part-structure of one embodiment of the invention;
Fig. 5 is the vertical view of the display panels part-structure of another embodiment of the present invention;
Fig. 6 is the vertical view of the LCD plate portion composition structure of yet another embodiment of the invention.
Embodiment
In order to be implemented in the NFC technique of portable electron device, and the configuration NFC antenna optimized, improve the sensitivity of NFC antenna, Controlling Technology cost of manufacture.The invention provides the display panels being integrated with NFC antenna, display panels comprises: top glass substrate respect to one another and lower glass substrate; NFC antenna, NFC antenna is the newly-increased cabling being arranged at top glass substrate and/or lower glass substrate, or is arranged at the existing cabling of top glass substrate and/or lower glass substrate.Below in conjunction with Figure of description, multiple embodiment is adopted to be specifically described this invention.
Embodiment one
Refer to Fig. 3, Fig. 4, Fig. 3 is the side sectional view of the display panels composition structure of one embodiment of the invention; Fig. 4 is the vertical view of the LCD plate portion composition structure of one embodiment of the invention.In Fig. 3, display panels comprises: upper polaroid 301, be arranged at the top glass substrate 302 of polaroid bottom, be arranged at the optical filter 303 of top glass substrate 302, be arranged at the public electrode 304 of optical filter 303 bottom, display panels also comprises show electrode 306, is arranged at the lower glass substrate 307 of show electrode 306 bottom, is arranged at the lower polaroid 308 of lower glass substrate, between public electrode 304 and show electrode 306, be wherein also provided with liquid crystal layer 305 and some TFT transistors (not indicating), be positioned at 308 of lower polaroid in the outside of display panels and be arranged with some backing structures, light source many employings light emitting diode (LED) or the cold-cathode fluorescence lamp (CCFL) of backlight provide light source by backing structure, light is by lower polaroid 308, lower glass substrate 307 to show electrode 306 and public electrode 304, the shape of liquid crystal is changed by the TFT transistor controlling to correspond to pixel cell, structure control image is shown on show electrode 306, optical filter 303 corresponds to each pixel cell, simultaneously see Fig. 3, Fig. 4, optical filter 303 and public electrode 304 please be set in the lower surface first area of top glass substrate 302, and the position of optical filter 303 and public electrode 304, region are corresponding, the NFC antenna coil 309 of annular coupling is provided with at the lower surface second area of top glass substrate 302, be suitable for as NFC antenna, this NFC antenna is be looped around the newly-increased cabling around public electrode 304 second area, the position of first area periphery, this part is clear area in the prior art, in the processing step of reality, in the step forming public electrode 304, form NFC antenna coil 309 simultaneously, can according to the actual requirements and the position of clear area make the NFC antenna coil 309 of respective shapes.Public electrode 304 is tin indium oxide (ITO, Indium Tin Oxide) with the material of NFC antenna coil 309, and the width of NFC antenna coil 309 can adjust according to the requirement of the impedance in parameter specification.
Embodiment two
Refer to Fig. 3, Fig. 5, Fig. 3 is the side sectional view of the display panels composition structure of one embodiment of the invention; Fig. 5 is the vertical view of the LCD plate portion composition structure of another embodiment of the present invention.In Fig. 3, display panels comprises: upper polaroid 301, be arranged at the top glass substrate 302 of polaroid bottom, be arranged at the optical filter 303 of top glass substrate 302, be arranged at the public electrode 304 of optical filter 303 bottom, display panels also comprises show electrode 306, is arranged at the lower glass substrate 307 of show electrode 306 bottom, is arranged at the lower polaroid 308 of lower glass substrate, between public electrode 304 and show electrode 306, be wherein also provided with liquid crystal layer 305 and some TFT transistors (not indicating), be positioned at 308 of lower polaroid in the outside of display panels and be arranged with some backing structures, light source many employings light emitting diode (LED) or the cold-cathode fluorescence lamp (CCFL) of backlight provide light source by backing structure, light is by lower polaroid 308, lower glass substrate 307 to show electrode 306 and public electrode 304, the shape of liquid crystal is changed by the TFT transistor controlling to correspond to pixel cell, structure control image is shown on show electrode 306, optical filter 303 corresponds to each pixel cell, please simultaneously see Fig. 3, Fig. 5, in the upper surface first area of lower glass substrate 307, show electrode 306 is set, the upper surface second area of lower glass substrate 307 is provided with existing coil 309 ', these existing coils 309 ' are used as public electrode cabling Vcom and those public electrode cablings are annular, adopt the toroid winding compatibility of existing public electrode cabling Vcom to make NFC antenna coil can realize sharing, improve the space availability ratio of portable electron device, in specific implementation, the mode of time-division processing can be adopted to realize sharing, the intracellular signaling of public electrode is used at this toroid winding of first time period, as NFC antenna coil coupling and transmission NFC signal in the second time period.
Embodiment three
Refer to Fig. 3, Fig. 6, Fig. 3 is the side sectional view of the display panels composition structure of one embodiment of the invention; Fig. 6 is the vertical view of the LCD plate portion composition structure of yet another embodiment of the invention.In Fig. 3, display panels comprises: upper polaroid 301, be arranged at the top glass substrate 302 of polaroid bottom, be arranged at the optical filter 303 of top glass substrate 302, be arranged at the public electrode 304 of optical filter 303 bottom, display panels also comprises show electrode 306, is arranged at the lower glass substrate 307 of show electrode 306 bottom, is arranged at the lower polaroid 308 of lower glass substrate, between public electrode 304 and show electrode 306, be wherein also provided with liquid crystal layer 305 and some TFT transistors (not indicating), be positioned at 308 of lower polaroid in the outside of display panels and be arranged with some backing structures, light source many employings light emitting diode (LED) or the cold-cathode fluorescence lamp (CCFL) of backlight provide light source by backing structure, light is by lower polaroid 308, lower glass substrate 307 to show electrode 306 and public electrode 304, the shape of liquid crystal is changed by the TFT transistor controlling to correspond to pixel cell, structure control image is shown on show electrode 306, optical filter 303 corresponds to each pixel cell, please simultaneously see Fig. 3, Fig. 6, in the upper surface first area of lower glass substrate 307, show electrode 306 is set, the upper surface second area of lower glass substrate 307 is provided with existing coil 309 ', these existing coils 309 ' are used as public electrode coil Vcom, the perimeter being surrounded on public electrode coil Vcom at second area increases coil 309 ' newly ', this newly-increased coil 309 ' ' be used for as NFC antenna coil, in the processing step of reality, public electrode coil and newly-increased NFC antenna coil is formed while forming show electrode 306, the newly-increased NFC antenna coil of respective shapes can be made according to the actual requirements.The material of NFC antenna coil is tin indium oxide (ITO, Indium Tin Oxide), and the width of NFC antenna coil can adjust according to the requirement of the impedance in parameter specification.
Also provide a kind of method for making being integrated with the display panels of NFC antenna in the present invention, the method comprises: provide top glass substrate respect to one another and lower glass substrate; NFC antenna is formed by adding newly-increased cabling to described top glass substrate and/or lower glass substrate or sharing existing cabling.
In one embodiment, top glass substrate lower surface forms public electrode and the newly-increased cabling added around described public electrode forms NFC antenna, preferably, described NFC antenna and described public electrode are formed at described top glass substrate lower surface by same processing step, such as, described NFC antenna and described public electrode adopt the mode of physical vapour deposition (PVD) or chemical vapor deposition to be together formed at described top glass substrate lower surface.
In another embodiment, lower glass substrate upper surface forms show electrode and the existing cabling shared around described show electrode forms NFC antenna, and existing cabling is public electrode cabling.
In an embodiment again, described lower glass substrate upper surface forms show electrode and the newly-increased cabling added around described show electrode forms NFC antenna, and described NFC antenna is made up of tin indium oxide.
Although the present invention discloses as above, the present invention is not defined in this.Any those skilled in the art, without departing from the spirit and scope of the present invention, all can make various amendment, and therefore protection scope of the present invention should be as the criterion with claim limited range.
Claims (14)
1. be integrated with a display panels for NFC antenna, it is characterized in that, comprising:
Top glass substrate respect to one another and lower glass substrate;
NFC antenna, described NFC antenna is be arranged at the newly-increased cabling of top glass substrate and/or lower glass substrate or existing cabling.
2. be integrated with the display panels of NFC antenna as claimed in claim 1, it is characterized in that, described display panels also comprises the public electrode being arranged at top glass substrate lower surface; Described NFC antenna is the newly-increased cabling be looped around around described public electrode.
3. be integrated with the display panels of NFC antenna as claimed in claim 1, it is characterized in that, described display panels also comprises the show electrode being arranged at lower glass substrate upper surface; Described NFC antenna is the existing cabling be looped around around described show electrode.
4. be integrated with the display panels of NFC antenna as claimed in claim 1, it is characterized in that, described existing cabling is public electrode cabling.
5. be integrated with the display panels of NFC antenna as claimed in claim 1, it is characterized in that, described display panels also comprises the show electrode being arranged at lower glass substrate upper surface; Described NFC antenna is the newly-increased cabling be looped around around described show electrode.
6. be integrated with the display panels of NFC antenna as claimed in claim 1, it is characterized in that, the material of described NFC antenna is tin indium oxide.
7. be integrated with a manufacture method for the display panels of NFC antenna, it is characterized in that, comprising:
Top glass substrate respect to one another and lower glass substrate are provided;
NFC antenna is formed by adding newly-increased cabling to described top glass substrate and/or lower glass substrate or sharing existing cabling.
8. be integrated with the manufacture method of the display panels of NFC antenna as claimed in claim 7, it is characterized in that, form public electrode in described top glass substrate lower surface and add the newly-increased cabling formation NFC antenna around described public electrode.
9. be integrated with the manufacture method of the display panels of NFC antenna as claimed in claim 8, it is characterized in that, described NFC antenna and described public electrode are formed at described top glass substrate lower surface by same processing step.
10. be integrated with the manufacture method of the display panels of NFC antenna as claimed in claim 9, it is characterized in that, form the mode that described NFC antenna and described public electrode adopt physical vapour deposition (PVD) or chemical vapor deposition.
11. manufacture methods being integrated with the display panels of NFC antenna as claimed in claim 7, is characterized in that, form show electrode and the existing cabling shared around described show electrode forms NFC antenna in described lower glass substrate upper surface.
12. manufacture methods being integrated with the display panels of NFC antenna as claimed in claim 7, it is characterized in that, described existing cabling is public electrode cabling.
13. manufacture methods being integrated with the display panels of NFC antenna as claimed in claim 7, is characterized in that, form show electrode and the newly-increased cabling added around described show electrode forms NFC antenna in described lower glass substrate upper surface.
14. manufacture methods being integrated with the display panels of NFC antenna as claimed in claim 7, it is characterized in that, described NFC antenna is made up of tin indium oxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510375387.3A CN104991365A (en) | 2015-07-01 | 2015-07-01 | Liquid crystal display panel integrated with NFC antenna and manufacturing method of same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510375387.3A CN104991365A (en) | 2015-07-01 | 2015-07-01 | Liquid crystal display panel integrated with NFC antenna and manufacturing method of same |
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| Publication Number | Publication Date |
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| CN104991365A true CN104991365A (en) | 2015-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510375387.3A Pending CN104991365A (en) | 2015-07-01 | 2015-07-01 | Liquid crystal display panel integrated with NFC antenna and manufacturing method of same |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106896549A (en) * | 2015-12-18 | 2017-06-27 | 株式会社日本显示器 | Display device |
| WO2017152780A1 (en) * | 2016-03-10 | 2017-09-14 | 昆山维信诺科技有限公司 | Display device having nfc communication function |
| CN109791452A (en) * | 2016-09-29 | 2019-05-21 | 夏普株式会社 | Touch panel display with antenna |
| CN110401905A (en) * | 2019-07-30 | 2019-11-01 | Oppo广东移动通信有限公司 | Electronic equipment, display panel and its sounding device |
| CN110716334A (en) * | 2019-03-15 | 2020-01-21 | 友达光电股份有限公司 | Display device |
| CN110941113A (en) * | 2019-11-27 | 2020-03-31 | 上海天马微电子有限公司 | Display device and manufacturing method thereof |
| CN111430370A (en) * | 2020-03-31 | 2020-07-17 | 厦门天马微电子有限公司 | Display panel and display device |
| CN111463245A (en) * | 2020-04-10 | 2020-07-28 | 京东方科技集团股份有限公司 | Display substrate, manufacturing method thereof and display device |
| CN112421222A (en) * | 2020-04-10 | 2021-02-26 | 友达光电股份有限公司 | Antenna device |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106896549A (en) * | 2015-12-18 | 2017-06-27 | 株式会社日本显示器 | Display device |
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| CN109791452A (en) * | 2016-09-29 | 2019-05-21 | 夏普株式会社 | Touch panel display with antenna |
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| CN111430370A (en) * | 2020-03-31 | 2020-07-17 | 厦门天马微电子有限公司 | Display panel and display device |
| CN111430370B (en) * | 2020-03-31 | 2023-03-21 | 厦门天马微电子有限公司 | Display panel and display device |
| CN111463245A (en) * | 2020-04-10 | 2020-07-28 | 京东方科技集团股份有限公司 | Display substrate, manufacturing method thereof and display device |
| CN112421222A (en) * | 2020-04-10 | 2021-02-26 | 友达光电股份有限公司 | Antenna device |
| CN112421222B (en) * | 2020-04-10 | 2023-12-22 | 友达光电股份有限公司 | Antenna device |
| CN111463245B (en) * | 2020-04-10 | 2024-03-08 | 京东方科技集团股份有限公司 | Display substrate, manufacturing method thereof and display device |
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Application publication date: 20151021 |
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