CN101373305A - Electric paper display - Google Patents
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- CN101373305A CN101373305A CNA200710076547XA CN200710076547A CN101373305A CN 101373305 A CN101373305 A CN 101373305A CN A200710076547X A CNA200710076547X A CN A200710076547XA CN 200710076547 A CN200710076547 A CN 200710076547A CN 101373305 A CN101373305 A CN 101373305A
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Abstract
The invention discloses an electronic paper display including an electronic paper display screen. The electronic paper display is characterized in that the electronic paper display further includes a touch screen and a drive circuit; the touch screen is fixed above the electronic paper display screen; and the drive circuit detects the touched position of the touch screen and drives the electronic paper display screen to display correspondingly. The invention adopts the touch screen as the man-machine communication interface of the electronic paper display, thereby dispensing with an electronic pen, simplifying the input equipment of the electronic paper display, and facilitating carrying. A user can input on the touch screen by hand and can also use a common object to operate on the touch screen, so that the invention can be used whenever and wherever possible. The electronic paper display is more convenient to use, more visual to operate and wider to apply. The invention can further avoid scuffing the electronic paper display screen by the neb of the electronic pen and prolong the service life of the electronic paper display.
Description
Technical field
The present invention relates to a kind of electric paper display (Electronic Paper Display is called for short EPD).
Background technology
Owing to have advantages such as low-power, flexible, thin thickness, electric paper display extensively is being used as the display screen of electronic communication products such as mobile phone, e-book, computer, PDA(Personal Digital Assistant).
Present most Electronic Paper display device all is to adopt the input equipment of electronic pen as display, and a tail of electronic pen has a lead to link to each other with electronic-paper display screen, and this can cause the inconvenience of using and carrying.In addition, in writing process,, be easy to cause electronic-paper display screen to be scratched because the nib of electronic pen part contacts with electronic-paper display screen.
Summary of the invention
The present invention is exactly in order to overcome above deficiency, to have proposed a kind of electric paper display easy to use and carry.
Technical matters of the present invention is solved by following technical scheme: a kind of electric paper display, comprise electronic-paper display screen, also comprise touch-screen and driving circuit, described touch-screen is fixed on the electronic-paper display screen top, and the position that described driving circuit senses touch screen is touched drives electronic-paper display screen and carries out corresponding demonstration.
Preferably, described driving circuit comprises the coordinate acquisition module, drives conversion and control module and electronic-paper display screen driver module, described coordinate acquisition module is connected touch-screen and drives between the modular converter, and described electronic-paper display screen driver module is connected and drives between modular converter and the electronic-paper display screen; Described coordinate acquisition module is gathered out the coordinate signal that touch-screen is touched and is exported to and drives the conversion and control module, described driving conversion and control module is converted to corresponding control signal with coordinate signal and exports the electronic-paper display screen driver module to, and described electronic-paper display screen driver module is converted to the drive signal that electronic-paper display screen can discern with control signal and carries out display operation to drive electronic-paper display screen.
Described driving conversion and control module comprises signal converter, controller and interface unit, is provided with the data transmission judging unit in the described controller, and described electronic-paper display screen driver module comprises controlled processing unit and data processing unit; Described signal converter is connected between controller and the coordinate acquisition module, to be used for the analog coordinate conversion of signals that described coordinate acquisition module is gathered out be the discernible digital coordinates signal of controller and export controller to, described controller is control signal with the digital coordinates conversion of signals and exports controlled processing unit to, and described controlled processing unit is converted to control signal the drive signal that electronic-paper display screen can discern and exports to the driving electronic-paper display screen; Described data transmission judging unit compares digital coordinates signal and preset value, if the digital coordinates signal is in the preset value scope, then controller also exports viewdata signal and address data signal to data processing unit by interface unit, and described data processing unit is converted to viewdata signal and address data signal electronic-paper display screen energy recognition data signal and exports to the driving electronic-paper display screen.
Fix with glue by bonding between described touch-screen and the electronic-paper display screen.
Described bonding be ultraviolet light polymerization glue with glue, described ultraviolet cured adhesive hydromining is coated on electronic-paper display screen and/or the touch-screen with the silk-screen mode.
Described touch-screen comprises first upper substrate, first infrabasal plate, and the described first upper substrate lower surface is provided with top electrode, and the described first infrabasal plate upper surface is provided with bottom electrode, described touch-screen be touched when being touched the zone top electrode and bottom electrode conducting.
Described touch-screen also comprises isolating points, and described isolating points is between described first top electrode and first bottom electrode.
Described electronic-paper display screen comprises second upper substrate, second infrabasal plate, microcapsules, the described second upper substrate lower surface is provided with public electrode, the described second infrabasal plate upper surface is provided with pixel electrode, described microcapsules fit tightly between public electrode and pixel electrode, when being added with voltage between described public electrode and the pixel electrode, microcapsules show under electric field action.
Described microcapsules comprise capsule wall, dispersion liquid and electrophoresis particle, and described dispersion liquid and electrophoresis particle are wrapped in the capsule wall, and described dispersion liquid is suitable with electrophoresis particle proportion.
The beneficial effect that the present invention is compared with the prior art is: the present invention can save electronic pen by adopting the alternating interface between man and computer of touch-screen as electric paper display, has simplified the input equipment of electric paper display, is convenient for carrying.The user can handwriting input on touch-screen, also can use common object at the enterprising line operate of touch-screen, make the user can use the present invention whenever and wherever possible, electric paper display use of the present invention is convenient, operation is more intuitively three-dimensional, it is more extensive to use.The present invention also can avoid the nib of electronic pen to scratch electronic-paper display screen, prolongs the serviceable life of electric paper display.
Description of drawings
Fig. 1 is the structural representation of electric paper display of the present invention;
Fig. 2 is the structural representation of the touch-screen of electric paper display of the present invention;
Fig. 3 is the structural representation of the electronic-paper display screen of electric paper display of the present invention;
Fig. 4 is the structural representation of the microcapsules of electronic-paper display screen of the present invention.
Fig. 5 is the circuit diagram of electric paper display of the present invention;
Embodiment
Also in conjunction with the accompanying drawings the present invention is described in further details below by concrete embodiment.
As shown in Figure 1, a kind of electric paper display, comprise electronic-paper display screen 1, touch-screen 2 and driving circuit (not drawing among Fig. 1), described touch-screen 2 is fixed on electronic-paper display screen 1 top, and the position that described driving circuit senses touch screen 2 is touched drives electronic-paper display screen 1 and carries out corresponding demonstration.Fix with glue 6 by bonding between described touch-screen 2 and the electronic-paper display screen 1.Described bonding usefulness glue 6 is ultraviolet (UV) photocuring glue, and described ultraviolet cured adhesive hydromining is coated on electronic-paper display screen 1 and/or the touch-screen 2 with the silk-screen mode.Described bonding size with glue 6 adjusts accordingly according to size, the model of touch-screen and electronic-paper display screen, and preferably, bonding width with glue 6 can be made as 0.3mm.
As shown in Figure 2, described touch-screen 2 comprises first upper substrate 21, first infrabasal plate 22, isolating points (spacer) 23.Described first upper substrate 21 can adopt indium tin oxide (Indium Tin Oxides is called for short ITO) film (Film), and it is made up of polyethylene terephthalate (PET) basement membrane and last ITO electrode 21a, and the described ITO electrode of going up is positioned at described PET basement membrane inside surface.Described first infrabasal plate 22 can be coated with on glass substrate or polyester (PC) base material and plant ITO electrode 22a formation, described ITO electrode 22a down is positioned at described glass substrate or polyester (PC) base material inside surface, when the user touches touch-screen 2 by hand or other objects, the last ITO electrode 21a of the position that is touched and following ITO electrode 22a conducting.Between ITO electrode 21a and the following ITO electrode 22a, described isolating points 23 plays a supportive role described isolating points 23 on described.Described isolating points 23 can prevent that the user from going up ITO electrode 21a when touch-screen 2 being touched and forming maloperation with following ITO electrode 22a conducting.Described isolating points 23 can also when the user touches touch-screen 2, support around the touch point on ITO electrode 21a and following ITO electrode 22a, make be touched extra-regional ITO electrode 21a of going up and not conducting of following ITO electrode 22a.
Described touch-screen 2 also comprises conductive silver paste 24a, following conductive silver paste 24b, conduction silver point 25, dielectric ink 26, frame adhesive 29 and conductive lead wire, (any limit of choosing substrate is a directions X to described upward conductive silver paste 24a silk-screen at the directions X of first upper substrate, 21 housings, then perpendicular limit then is the Y direction) on, and be electrically connected with last ITO electrode 21a.Described conductive silver paste 24b silk-screen down is electrically connected with following ITO electrode 22a at the following conductive silver paste 24b on the directions X and Y direction of housing on first infrabasal plate 22, on the described Y direction.Be electrically connected by conduction silver point 25 between following conductive silver paste 24b on the described directions X and the last conductive silver paste 24a.Following conductive silver paste 24b by conductive lead wire (for example: FPC) be electrically connected to coordinate acquisition module 3, coordinate acquisition module 3 just can obtain the position at ITO electrode conduction place by the voltage of gathering, the analysis conductive lead wire is drawn, thereby can gather out the position that touch-screen 2 is touched.Described dielectric ink 26 coating conduction silver points 25 both sides are used for insulation.Described frame adhesive 29 is used for first upper substrate 21, first infrabasal plate 22 are binded, and these frame adhesive 29 preferred double faced adhesive tapes, this double faced adhesive tape are positioned at the inside surface of conductive silver paste 24a and following conductive silver paste 24b.
Described touch-screen 2 can be resistive touch screen or capacitive touch screen.Described touch-screen 2 can directly touch handwriting input when importing, and also can make object (as pointer) submit a written statement to a higher authority to write at touch-screen and import.
As shown in Figure 3, described electronic-paper display screen 1 comprises second upper substrate 11, second infrabasal plate 12, microcapsules 13, described second upper substrate, 11 lower surfaces are provided with public electrode (ITO electrode), the described second infrabasal plate upper surface is provided with pixel electrode (ITO electrode), described microcapsules 13 fit tightly between public electrode and pixel electrode, when being added with voltage between described public electrode and the pixel electrode, microcapsules show under electric field action.Described second upper substrate 11, second infrabasal plate 12 can be glass substrate, also can be film substrate.Described microcapsules 13 fit tightly between the pixel electrode of the public electrode of second upper substrate 11 and second infrabasal plate 12 by bonding agent, can not be between substrate and bonding agent in the applying process and the inner bubble that produces of bonding agent.
As shown in Figure 4, described microcapsules comprise capsule wall 14, dispersion liquid 16 and electrophoresis particle 15, and described dispersion liquid 16 and electrophoresis particle 15 are wrapped in the capsule wall 14, and described dispersion liquid 16 is suitable with electrophoresis particle 15 proportions.Described electrophoresis particle has electric charge, under electric field action electric charge can produce mobile, thereby display image.When electronic-paper display screen 1 needs display image, electronic-paper display screen driver module 5 just adds voltage between pixel electrode and public electrode, can produce electric field this moment between second upper substrate 11, second infrabasal plate 12, microcapsules 13 can display image under electric field action, by changing the variation that voltage between pixel electrode and the public electrode can the control chart picture.
Described electronic-paper display screen can be black and white electronic-paper display screen or color electric paper display screen.Electronic-paper display screen of the present invention can realize that bistable state shows to displaying contents, promptly when power down, also can keep displaying contents during not to touch screen operation.
As shown in Figure 5, described driving circuit comprises coordinate acquisition module 3, drives conversion and control module 4 and electronic-paper display screen driver module 5, described coordinate acquisition module 3 is connected touch-screen 2 and drives between the modular converter 4, and described electronic-paper display screen driver module 5 is connected and drives between modular converter 4 and the electronic-paper display screen 1.When the user touched touch-screen 2 passing through hand or other objects, coordinate acquisition module 3 was just gathered out the coordinate signal (coordinate that comprises touch-screen directions X and Y direction) at this place of being touched and is exported to and drives conversion and control module 4.Described driving conversion and control module 4 is converted to corresponding control signal with coordinate signal and exports electronic-paper display screen driver module 5 to, and described electronic-paper display screen driver module 5 is converted to the drive signal (for example: the pixel electrode of electronic-paper display screen and the voltage between the public electrode) that electronic-paper display screen 1 can discern with control signal and carries out display operation to drive electronic-paper display screen 1.Obviously, when the user changes the position that is touched, the also corresponding change of the coordinate signal that coordinate acquisition module 3 is gathered out, drive the control signal that conversion and control module 4 changes out and the also corresponding adjustment of drive signal of electronic-paper display screen driver module 5 outputs, make the shown also corresponding change of image of electronic-paper display screen 1.When the user writes on touch-screen, coordinate acquisition module 3 continuous acquisition position signallings, electronic-paper display screen driver module 5 is also exported the corresponding driving signal continuously, and electronic-paper display screen just shows user institute content written in the relevant position.
As shown in Figure 5, described driving conversion and control module 4 comprises signal converter 41, controller 42 and interface unit 43, is provided with data transmission judging unit (not drawing among the figure) in the described controller 42; Described electronic-paper display screen driver module 5 comprises controlled processing unit 51 and data processing unit 52.Described signal converter 41 is connected between controller 42 and the coordinate acquisition module 3, be used to carry out analog/digital (A/D) conversion, being about to the analog coordinate conversion of signals that described coordinate acquisition module 3 gathers out is controller 42 discernible digital coordinates signals and exports controller 42 to, described controller 42 is control signal with the digital coordinates conversion of signals and exports controlled processing unit 51 to, described controlled processing unit 51 is converted to control signal the drive signal that electronic-paper display screen 1 can discern and exports to electronic-paper display screen 1, shows thereby drive electronic-paper display screen 1.Described data transmission judging unit compares digital coordinates signal and preset value, if the digital coordinates signal is in the preset value scope, then controller also exports viewdata signal and address data signal to data processing unit 52 by interface unit 43, and described data processing unit 52 is converted to electronic-paper display screen 1 with viewdata signal and address data signal can the recognition data signal and export to and drive electronic-paper display screen and carry out picture and show.Described address data signal is used for addressing, and described viewdata signal is used for display image, so just can demonstrate the pre-stored image of the desired demonstration of user on electronic-paper display screen 1.
The present invention can save electronic pen by adopting the alternating interface between man and computer of touch-screen as electronic-paper display screen, and is easy to use, operates more directly perceived.The present invention also can avoid the nib of electronic pen to scratch electronic-paper display screen, prolongs the serviceable life of electric paper display.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (9)
1. electric paper display, comprise electronic-paper display screen, it is characterized in that: also comprise touch-screen and driving circuit, described touch-screen is fixed on the electronic-paper display screen top, and the position that described driving circuit senses touch screen is touched drives electronic-paper display screen and carries out corresponding demonstration.
2. electric paper display according to claim 1, it is characterized in that: described driving circuit comprises the coordinate acquisition module, drives conversion and control module and electronic-paper display screen driver module, described coordinate acquisition module is connected touch-screen and drives between the modular converter, and described electronic-paper display screen driver module is connected and drives between modular converter and the electronic-paper display screen; Described coordinate acquisition module is gathered out the coordinate signal that touch-screen is touched and is exported to and drives the conversion and control module, described driving conversion and control module is converted to corresponding control signal with coordinate signal and exports the electronic-paper display screen driver module to, and described electronic-paper display screen driver module is converted to the drive signal that electronic-paper display screen can discern with control signal and carries out display operation to drive electronic-paper display screen.
3. electric paper display according to claim 2, it is characterized in that: described driving conversion and control module comprises signal converter, controller and interface unit, be provided with the data transmission judging unit in the described controller, described electronic-paper display screen driver module comprises controlled processing unit and data processing unit; Described signal converter is connected between controller and the coordinate acquisition module, to be used for the analog coordinate conversion of signals that described coordinate acquisition module is gathered out be the discernible digital coordinates signal of controller and export controller to, described controller is control signal with the digital coordinates conversion of signals and exports controlled processing unit to, and described controlled processing unit is converted to control signal the drive signal that electronic-paper display screen can discern and exports to the driving electronic-paper display screen; Described data transmission judging unit compares digital coordinates signal and preset value, if the digital coordinates signal is in the preset value scope, then controller also exports viewdata signal and address data signal to data processing unit by interface unit, and described data processing unit is converted to viewdata signal and address data signal electronic-paper display screen energy recognition data signal and exports to the driving electronic-paper display screen.
4. according to the arbitrary described electric paper display of claim 1-3, it is characterized in that: fix with glue by bonding between described touch-screen and the electronic-paper display screen.
5. electric paper display according to claim 4 is characterized in that: described bonding be ultraviolet light polymerization glue with glue, described ultraviolet cured adhesive hydromining is coated on electronic-paper display screen and/or the touch-screen with the silk-screen mode.
6. according to the arbitrary described electric paper display of claim 1-3, it is characterized in that: described touch-screen comprises first upper substrate, first infrabasal plate, the described first upper substrate lower surface is provided with top electrode, the described first infrabasal plate upper surface is provided with bottom electrode, described touch-screen be touched when being touched the zone top electrode and bottom electrode conducting.
7. electric paper display according to claim 6 is characterized in that: described touch-screen also comprises isolating points, and described isolating points is between described first top electrode and first bottom electrode.
8. electric paper display according to claim 7, it is characterized in that: described electronic-paper display screen comprises second upper substrate, second infrabasal plate, microcapsules, the described second upper substrate lower surface is provided with public electrode, the described second infrabasal plate upper surface is provided with pixel electrode, described microcapsules fit tightly between public electrode and pixel electrode, when being added with voltage between described public electrode and the pixel electrode, microcapsules show under electric field action.
9. electric paper display according to claim 8 is characterized in that: described microcapsules comprise capsule wall, dispersion liquid and electrophoresis particle, and described dispersion liquid and electrophoresis particle are wrapped in the capsule wall, and described dispersion liquid is suitable with electrophoresis particle proportion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710076547XA CN101373305B (en) | 2007-08-22 | 2007-08-22 | Electric paper display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710076547XA CN101373305B (en) | 2007-08-22 | 2007-08-22 | Electric paper display |
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| CN101373305A true CN101373305A (en) | 2009-02-25 |
| CN101373305B CN101373305B (en) | 2010-06-16 |
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| CN200710076547XA Active CN101373305B (en) | 2007-08-22 | 2007-08-22 | Electric paper display |
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| CN101866236A (en) * | 2010-03-26 | 2010-10-20 | 鸿富锦精密工业（深圳）有限公司 | Electronic paper display device with touch function |
| CN102074173A (en) * | 2011-01-10 | 2011-05-25 | 苏州佳世达电通有限公司 | Display device and power control method thereof |
| CN102566814A (en) * | 2010-11-10 | 2012-07-11 | 乐金显示有限公司 | Electrophoresis display having touch screen and method for driving the touch screen |
| CN102736345A (en) * | 2011-04-01 | 2012-10-17 | 元太科技工业股份有限公司 | Touch control display |
| CN102800286A (en) * | 2012-08-09 | 2012-11-28 | 施国樑 | Electronic paper display system for getting electric energy from data interfaces |
| CN102841476A (en) * | 2012-09-12 | 2012-12-26 | 信利半导体有限公司 | Electronic paper with integrated touch function, display panel, and manufacturing methods of electronic paper and display panel |
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| CN102141712B (en) * | 2010-01-28 | 2013-06-05 | 鸿富锦精密工业（深圳）有限公司 | Electronic paper device |
| CN102141713B (en) * | 2010-01-28 | 2013-07-03 | 鸿富锦精密工业（深圳）有限公司 | Electronic paper device |
| US8599471B2 (en) | 2011-09-02 | 2013-12-03 | Shih Hua Technology, Ltd. | Electronic paper display device |
| CN103424946A (en) * | 2012-05-15 | 2013-12-04 | 广州奥翼电子科技有限公司 | Electronic paper and hand-writing electronic paper device |
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| CN2507203Y (en) * | 2001-09-05 | 2002-08-21 | 北京恒基伟业电子产品有限公司 | Mobile telephone set with full screen hand write input function |
| CN2521659Y (en) * | 2001-11-28 | 2002-11-20 | 深圳市云海通讯股份有限公司 | Resistance type large size contact screen |
| KR101133759B1 (en) * | 2004-12-28 | 2012-04-09 | 삼성전자주식회사 | Electrophoretic indication Display and Method for Manufacturing the same |
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| CN102141712B (en) * | 2010-01-28 | 2013-06-05 | 鸿富锦精密工业（深圳）有限公司 | Electronic paper device |
| CN101866236A (en) * | 2010-03-26 | 2010-10-20 | 鸿富锦精密工业（深圳）有限公司 | Electronic paper display device with touch function |
| CN102566814A (en) * | 2010-11-10 | 2012-07-11 | 乐金显示有限公司 | Electrophoresis display having touch screen and method for driving the touch screen |
| CN102074173A (en) * | 2011-01-10 | 2011-05-25 | 苏州佳世达电通有限公司 | Display device and power control method thereof |
| US8634127B2 (en) | 2011-03-18 | 2014-01-21 | Shih Hua Technology Ltd. | Electronic paper display device |
| CN102736345A (en) * | 2011-04-01 | 2012-10-17 | 元太科技工业股份有限公司 | Touch control display |
| US8599471B2 (en) | 2011-09-02 | 2013-12-03 | Shih Hua Technology, Ltd. | Electronic paper display device |
| CN102981657A (en) * | 2011-09-05 | 2013-03-20 | 天津富纳源创科技有限公司 | Touch type electronic paper displayer |
| CN102981657B (en) * | 2011-09-05 | 2016-03-02 | 天津富纳源创科技有限公司 | Touch type electronic paper display |
| CN103424946A (en) * | 2012-05-15 | 2013-12-04 | 广州奥翼电子科技有限公司 | Electronic paper and hand-writing electronic paper device |
| CN102800286A (en) * | 2012-08-09 | 2012-11-28 | 施国樑 | Electronic paper display system for getting electric energy from data interfaces |
| CN102841476A (en) * | 2012-09-12 | 2012-12-26 | 信利半导体有限公司 | Electronic paper with integrated touch function, display panel, and manufacturing methods of electronic paper and display panel |
| CN104808279A (en) * | 2014-01-24 | 2015-07-29 | 元太科技工业股份有限公司 | Light guide module and bistable display device with same |
| CN107577101A (en) * | 2017-08-21 | 2018-01-12 | 武汉天马微电子有限公司 | Electrophoretic display panel and manufacturing method thereof |
| CN107577101B (en) * | 2017-08-21 | 2021-01-15 | 武汉天马微电子有限公司 | Electrophoretic display panel and manufacturing method thereof |
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| CN101373305B (en) | 2010-06-16 |
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Effective date of registration: 20150901 Address after: 518119 Guangdong province Shenzhen City Dapeng new Kwai town Yanan Road No. 1 building experimental Byd Co Patentee after: Shenzhen BYD Electronic Component Co., Ltd. Address before: Kwai Chung town Yanan Road, BYD Industrial Park in Longgang District of Shenzhen City, Guangdong province 518119 Patentee before: Biyadi Co., Ltd. |
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Address after: 518119 Guangdong province Shenzhen City Dapeng new Kwai town Yanan Road No. 1 building experimental Byd Co Patentee after: Shenzhen helitai photoelectric Co., Ltd Address before: 518119 Guangdong province Shenzhen City Dapeng new Kwai town Yanan Road No. 1 building experimental Byd Co Patentee before: SHENZHEN BYD ELECTRONIC COMPONENT Co.,Ltd. |