CN101673502B - Bistable display - Google Patents
Bistable display Download PDFInfo
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- CN101673502B CN101673502B CN2008101495491A CN200810149549A CN101673502B CN 101673502 B CN101673502 B CN 101673502B CN 2008101495491 A CN2008101495491 A CN 2008101495491A CN 200810149549 A CN200810149549 A CN 200810149549A CN 101673502 B CN101673502 B CN 101673502B
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- bistable display
- splicing ear
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Abstract
The invention relates to a bistable display, which comprises a driving circuit having a plurality of circuit connecting terminals, wherein the potential difference between any two adjacent circuit connecting terminals is less than 10 volts. The bistable display can avoid electric breakdown caused by high potential difference and short distance between the circuit connecting terminals, thereby being more suitable for use.
Description
Technical field
The present invention relates to a kind of bistable display, particularly relate to a kind of design of circuit connecting terminals of bistable display.
Background technology
At present along with the application of various inventions, open air, reflective display is more and more many; And most of device all is applied to hold formula device (Portable Device); Therefore compact demand promotes a lot, and under such background, it is lighter how to design weight; The display device of thinner thickness becomes more and more important.
Traditional LCD such as Thin Film Transistor-LCD (TFT-LCD); Technical development is ripe; Its thickness has been attained in the limit, and more difficult have a breakthrough part, for certain some demonstration demand; Product such as e-book, Electronic Paper for example; Many manufacturers new technical products that begins one's study, further to meet the consumer for the needs that can hold the formula device, bistable display (Bistable Display) becomes the emphasis of research and development and one of desired main product is arranged on market thus.
Existing bistable display; Generally all be connected with extraneous electric signal or Circuits System with drive integrated circult (Driver IC); It includes source electrode driven integrated circuit (Source IC), grid-driving integrated circuit (Gate IC;) and flexible circuit board (Flexible Printed Circuit, FPC).According to different modules (module) processing procedure or design, can be subdivided into COG (Chip On Glass) again, TAB/TCP (Tape Automatic Bonding), COF (Chip On Film) or the like.The design that these are different has the relative position difference between integrated circuit, electronic component and the display device.When various Plug Actions take place, between FPC and substrate, be easy to comprise electrically and the destruction of mechanical force because pull and contraposition and cause various destructions, therefore be difficult for having preferable behaviour in service or reliability.Especially electrical part; Because the potential difference (PD) of the required use of bistable display is than higher (the generally about 3-5V of potential difference (PD) that thin-film transistor LCD device uses of general thin-film transistor LCD device; Maximum about about 6-8V), if moreover the distance between the terminals of adjacent keep with thin-film transistor LCD device and use the same distance, so when the potential difference (PD) of terminals of adjacent than greatly the time; Like potential difference (PD) more than or equal to 10 volts; Make the electrostatic influence between the terminal very serious, can directly cause the drive circuit works state labile of bistable display like this, the quality of influence imaging.What is more, and the material between the adjacent circuit splicing ear is electrically punctured, and may cause short circuit, thereby burn entire circuit, and how head it off becomes an important topic in the bistable display designing for manufacturing.
Because the defective that above-mentioned existing bistable display exists; The inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge; And cooperate the utilization of studying the science, actively study innovation, in the hope of founding a kind of new bistable display; Can improve general existing bistable display, make it have more practicality.Through constantly research, design, and after studying repeatedly and improving, found out the present invention of true tool practical value finally.
Summary of the invention
The objective of the invention is to; Overcome the defective that existing bistable display exists; And a kind of new bistable display is provided; Technical matters to be solved is to make it avoid the electrical punch-through that produces than big and close together because of potential difference (PD) between the circuit connecting terminals, thereby is suitable for practicality more.
The object of the invention and solve its technical matters and adopt following technical scheme to realize.A kind of bistable display according to the present invention's proposition; It comprises one drive circuit; Have a plurality of circuit connecting terminals groups on this driving circuit; Wherein each this circuit connecting terminals group comprises one first circuit connecting terminals, a second circuit splicing ear and a tertiary circuit splicing ear; This second circuit splicing ear is between this first circuit connecting terminals and this tertiary circuit splicing ear, and this second circuit splicing ear is floating or is electrically connected at a specific voltage level, makes arbitrarily the potential difference (PD) between adjacent two circuit connecting terminals less than 10 volts.
The object of the invention and solve its technical matters and also can adopt following technical measures further to realize.
Aforesaid bistable display, wherein the circuit connecting terminals between any two adjacent circuit splicing ears is a floating.
Aforesaid bistable display, wherein the circuit connecting terminals between any two adjacent circuit splicing ears is electrically connected at a specific voltage level.
Aforesaid bistable display, wherein bistable display is a cholesterin liquid-crystal display.
Aforesaid bistable display, wherein bistable display is an electrophoresis type display.
Aforesaid bistable display, wherein bistable display is an electronic ink display.
The present invention compared with prior art has tangible advantage and beneficial effect.Know by above; In order to achieve the above object; The invention provides a kind of bistable display, it comprises one drive circuit, has a plurality of circuit connecting terminals groups on the driving circuit; Wherein each this circuit connecting terminals group comprises one first circuit connecting terminals, a second circuit splicing ear and a tertiary circuit splicing ear; This second circuit splicing ear is between this first circuit connecting terminals and this tertiary circuit splicing ear, and this second circuit splicing ear is floating or is electrically connected at a specific voltage level, makes arbitrarily the potential difference (PD) between adjacent two circuit connecting terminals less than 10 volts.
According to above-mentioned conception, a circuit connecting terminals between any two circuit connecting terminals system is floating, or makes circuit connecting terminals system between any two adjacent circuit splicing ears be electrically connected at a specific voltage level.
By technique scheme, bistable display of the present invention has the following advantages at least:
Compare with prior art; The present invention discloses a kind of circuit connecting terminals structure of driving circuit of bistable display, makes arbitrarily the potential difference (PD) between adjacent two circuit connecting terminals less than 10 volts, so can effectively improve the problem that the circuit connecting terminals electrostatic breakdown of bistable display is produced; Improve and produce yield; And the electrostatic protection ability that acquires a certain degree for final products, and be difficult for because improper plug causes on the various qualities or the problem on the reliability, make to comprise bistable display; The drive integrated circult of external circuits system, the part of flexible circuit board are able to not receive the electrostatic breakdown influence.
Above-mentioned explanation only is the general introduction of technical scheme of the present invention; Understand technological means of the present invention in order can more to know; And can implement according to the content of instructions, and for let of the present invention above-mentioned with other purposes, feature and advantage can be more obviously understandable, below special act preferred embodiment; And conjunction with figs., specify as follows.
Description of drawings
Fig. 1 illustrates the synoptic diagram of the driving circuit 1 of the bistable display that provides for embodiment of the present invention.
Fig. 2 illustrates the enlarged drawing into connecting portion among Fig. 1 10.
1: driving circuit
10: connecting portion
11: circuit connecting terminals
11a: first circuit connecting terminals
11b: second circuit splicing ear
11c: tertiary circuit splicing ear
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention; Below in conjunction with accompanying drawing and preferred embodiment; To its embodiment of bistable display, step, characteristic and the effect thereof that proposes according to the present invention, specify as after.
See also shown in Figure 1, the synoptic diagram of the driving circuit 1 of the bistable display that provides for embodiment of the present invention.
Said driving circuit 1 is used to drive said bistable display work, display image information.This driving circuit has the end 10 of connection, is used for and the external circuit communication.
Be appreciated that; Said driving circuit 1 can be applied to multiple bistable display; For example electrophoresis type display (Electrophoretic Display) and cholesterin liquid-crystal display (Chiral Nematic Liquid Crystal Display) etc., electrophoresis type display can for example be an electronic ink display (E-ink Display).
Please consult shown in Figure 2ly in the lump, be the enlarged drawing of said connecting portion 10.Be provided with a plurality of circuit connecting terminals 11 in said connecting portion 10.When said connecting portion 10 is connected with external circuit, electrically connect with outside through said circuit connecting terminals 11, and under the normal condition operating potential difference between 10 volts to 40 volts.According to this embodiment, the potential difference (PD) between adjacent two circuit connecting terminals is less than 10 volts arbitrarily.
More specifically one of aspect is implemented in explanation; In these a plurality of circuit connecting terminals 11, include one first circuit connecting terminals 11a, a second circuit splicing ear 11b and a tertiary circuit splicing ear 11c; Wherein the second circuit splicing ear 11b between the first circuit connecting terminals 11a and tertiary circuit splicing ear 11c is floating (floating); The second circuit splicing ear 11b of so-called floating is meant that second circuit splicing ear 11b does not connect any circuit, and such design can be avoided and electrical punch-through that distance too closely produce excessive because of potential difference (PD) between the first circuit connecting terminals 11a and the said tertiary circuit splicing ear 11c.
It is understandable that, the second circuit splicing ear 11b of a plurality of floatings can also be set between the first circuit connecting terminals 11a and the tertiary circuit splicing ear 11c, can also arrive identical effect.
Another is implemented aspect and is described below; Pattern includes one first circuit connecting terminals 11a, a second circuit splicing ear 11b and a tertiary circuit splicing ear 11c in these a plurality of circuit connecting terminals 11; Wherein for example the voltage difference between the first circuit connecting terminals 11a and the tertiary circuit splicing ear 11c is 15 volts; Present embodiment is arranged the specific voltage level (not shown) that is connected between the second circuit splicing ear 11b between the first circuit connecting terminals 11a and the tertiary circuit splicing ear 11c; Make the potential difference (PD) of guaranteeing any adjacent circuit splicing ear all less than 10 volts; That is to say; Between the first circuit connecting terminals 11a and the adjacent second circuit splicing ear 11b and the voltage difference between second circuit splicing ear 11b and the adjacent tertiary circuit splicing ear 11c all less than 10 volts, all have and avoid the electrical punch-through that adjacent two circuit connecting terminals are excessive because of potential difference (PD) and distance too closely produces.
Compare with prior art; The present invention discloses a kind of circuit connecting terminals structure of driving circuit of bistable display, makes the potential difference (PD) of any adjacent circuit splicing ear less than 10 volts, so can effectively improve bistable display to prevent electrically to puncture the problem that is produced; Improve and produce yield; And the electrostatic protection ability that acquires a certain degree for final products, and be difficult for because improper plug causes on the various qualities or the problem on the reliability, make to comprise bistable display; The drive integrated circult of external circuits system, the part of flexible circuit board are able to not receive electrical puncture influence.
The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction; Though the present invention discloses as above with preferred embodiment; Yet be not in order to limiting the present invention, anyly be familiar with the professional and technical personnel, in not breaking away from technical scheme scope of the present invention; When the technology contents of above-mentioned announcement capable of using is made a little change or is modified to the equivalent embodiment of equivalent variations; In every case be not break away from technical scheme content of the present invention, to any simple modification, equivalent variations and modification that above embodiment did, all still belong in the scope of technical scheme of the present invention according to technical spirit of the present invention.
Claims (6)
1. bistable display, it comprises one drive circuit, it is characterized in that:
Have a plurality of circuit connecting terminals groups on this driving circuit; Wherein each this circuit connecting terminals group comprises one first circuit connecting terminals, a second circuit splicing ear and a tertiary circuit splicing ear; This second circuit splicing ear is between this first circuit connecting terminals and this tertiary circuit splicing ear; This second circuit splicing ear is floating or is electrically connected at a specific voltage level, makes arbitrarily the potential difference (PD) between adjacent two circuit connecting terminals less than 10 volts.
2. bistable display according to claim 1 is characterized in that wherein the circuit connecting terminals between any two adjacent circuit splicing ears is a floating.
3. bistable display according to claim 1 is characterized in that the circuit connecting terminals between any two adjacent circuit splicing ears wherein is electrically connected at a specific voltage level.
4. according to claim 2 or 3 described bistable displays, it is characterized in that described bistable display is a cholesterin liquid-crystal display.
5. according to claim 2 or 3 described bistable displays, it is characterized in that described bistable display is an electrophoresis type display.
6. bistable display according to claim 5 is characterized in that described bistable display is an electronic ink display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101495491A CN101673502B (en) | 2008-09-10 | 2008-09-10 | Bistable display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101495491A CN101673502B (en) | 2008-09-10 | 2008-09-10 | Bistable display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101673502A CN101673502A (en) | 2010-03-17 |
| CN101673502B true CN101673502B (en) | 2012-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101495491A Active CN101673502B (en) | 2008-09-10 | 2008-09-10 | Bistable display |
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| CN (1) | CN101673502B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102243144A (en) * | 2010-05-10 | 2011-11-16 | 元太科技工业股份有限公司 | Vehicle detection system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1604297A (en) * | 2003-09-30 | 2005-04-06 | 松下电器产业株式会社 | Semiconductor device and method for producing the same |
| CN1928975A (en) * | 2005-09-06 | 2007-03-14 | 中华映管股份有限公司 | Driving device |
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2008
- 2008-09-10 CN CN2008101495491A patent/CN101673502B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1604297A (en) * | 2003-09-30 | 2005-04-06 | 松下电器产业株式会社 | Semiconductor device and method for producing the same |
| CN1928975A (en) * | 2005-09-06 | 2007-03-14 | 中华映管股份有限公司 | Driving device |
Also Published As
| Publication number | Publication date |
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| CN101673502A (en) | 2010-03-17 |
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