CN101900917A - Bistable display and detection method thereof - Google Patents
Bistable display and detection method thereof Download PDFInfo
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- CN101900917A CN101900917A CN 201010227500 CN201010227500A CN101900917A CN 101900917 A CN101900917 A CN 101900917A CN 201010227500 CN201010227500 CN 201010227500 CN 201010227500 A CN201010227500 A CN 201010227500A CN 101900917 A CN101900917 A CN 101900917A
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Abstract
The invention relates to a bistable display which comprises a first substrate, a pixel array, a mark pattern, a second substrate, an electrode layer and a bistable display medium, wherein the first substrate is provided with a display area and a non-display area; the pixel array is arranged in the display area of the first substrate, and the mark pattern is arranged in the non-display area of the first substrate; the second substrate is opposite to the first substrate; the electrode layer is arranged on the second substrate; and the bistable display medium is positioned between the first substrate and the second substrate, wherein voltage difference exists between the mark pattern on the first substrate and an electrode layer on the second substrate so that the bistable display medium between the mark pattern and the electrode layer shows the same pattern as the mark pattern. The invention also discloses a detection method of the bistable display.
Description
Technical field
The present invention relates to a kind of display, and particularly relevant for a kind of bistable display and detection method thereof.
Background technology
Bistable display is a kind of display that uses the bistable state medium to show, comprise electric ink (electronic ink and will reach the bistable state technique for displaying, E-Ink) demonstration, cholesterol liquid crystal show (cholesteric liquid crystal display, ChLCD), electrophoresis showed (electro-phoretic display, EPD), electric moistening demonstration (electrowetting display, EWD) or fast respond liquid powder and show (quickresponse-liquid powder display, display technique such as QR-LPD).
(E-Ink) is shown as example with electric ink, and the electric ink in the pixel can be as the bistable state display medium with the white particles of positively charged and electronegative black particles.When applying enough big positive electric field, the black particles in the pixel can sink to bottom, and white particles will move to the upper strata and form the point of white on display panel, and this moment, pixel just was in " bright attitude ".On the contrary, if when applying enough big negative electric field, black particles will move on to the upper strata and cause the effect of stain on display panel, and this moment, pixel just was in " secretly attitude ".Particularly, under the situation that does not apply voltage (electric field), pixel can stably maintain " bright attitude " or " dark attitude " and have " bistable state " characteristic.
In general, bistable display still can keep original memory picture under the situation that does not apply voltage, thereby can effectively reduce the electric weight consume.Therefore, bistable display has advantages such as bistable state, low power consumption, manufacturing process are simple, low cost, has the market competitiveness.
Summary of the invention
The invention provides a kind of bistable display, have better finished product ratio.
The present invention provides a kind of detection method of bistable display in addition, can promote the production efficiency and the yield rate of bistable display.
The present invention proposes a kind of bistable display, and it comprises one first substrate, a pel array, an indicia patterns, one second substrate, an electrode layer and a bistable state display medium.First substrate has a viewing area and a non-display area.Pel array is arranged in the viewing area of first substrate.Indicia patterns is arranged in the non-display area of first substrate.Second substrate is positioned at the subtend of first substrate.Electrode layer is arranged on second substrate.The bistable state display medium is between first substrate and second substrate, wherein has a voltage difference between indicia patterns on first substrate and the electrode layer on second substrate, so that indicia patterns demonstrates the pattern identical with indicia patterns with bistable state display medium between the electrode layer.
The present invention proposes a kind of detection method of bistable display in addition.One bistable state display is provided, and it as mentioned before.Between indicia patterns and electrode layer, produce a voltage difference, so that indicia patterns demonstrates the pattern identical with indicia patterns with bistable state display medium between the electrode layer, with as a certification mark.After voltage difference between indicia patterns and the electrode layer disappeared, certification mark still showed described identical pattern.Utilize certification mark as alignment mark, to carry out a subsequent processing steps.
Based on above-mentioned, the present invention is provided with indicia patterns in the non-display area of bistable display, and indicia patterns can demonstrate the pattern identical with indicia patterns with bistable state display medium between the electrode layer.Thus, in the detection method of bistable display, pattern that can the bistable state display medium is shown is beneficial to carry out steps such as contraposition or inspection as certification mark, and then significantly promotes the production efficiency and the yield of bistable display.
For above-mentioned feature and advantage of the present invention can be become apparent, embodiment cited below particularly, and cooperate appended accompanying drawing to be described in detail below.
Description of drawings
Figure 1A is the diagrammatic cross-section of a kind of bistable display of one embodiment of the invention;
Figure 1B is the schematic top plan view of first substrate among Figure 1A;
Fig. 1 C is the schematic top plan view of the bistable display of Figure 1A;
Fig. 2 A is the schematic top plan view of a kind of bistable display of one embodiment of the invention;
Fig. 2 B is the schematic top plan view of a kind of bistable display of one embodiment of the invention;
Fig. 3 A is the synoptic diagram that the circuit of indicia patterns of a kind of bistable display of one embodiment of the invention connects;
Fig. 3 B is the synoptic diagram that the circuit of indicia patterns of a kind of bistable display of one embodiment of the invention connects;
Fig. 4 is the schematic flow sheet of detection method of a kind of bistable display of one embodiment of the invention;
Fig. 5 A to Fig. 5 B is the flow process diagrammatic cross-section of detection method of a kind of bistable display of one embodiment of the invention;
Fig. 6 A to Fig. 6 C is the flow process schematic top plan view of detection method of a kind of bistable display of one embodiment of the invention;
Fig. 7 is the schematic top plan view of a kind of bistable display of another embodiment of the present invention;
Fig. 8 A and Fig. 8 B are respectively the diagrammatic cross-section and the schematic top plan view of a kind of bistable display of another embodiment of the present invention;
Fig. 9 is the schematic top plan view of a kind of bistable display of an embodiment more of the present invention.
Wherein, Reference numeral
100,100a, 100b: bistable display 110,140: substrate
112: viewing area 114: non-display area
120: pel array 122: sweep trace
124: data line 126: pixel cell
126a: active member 126b: pixel electrode
130: indicia patterns 130a, 130b, 162a, 162b: edge
132: input pad 134: lead
136: short bar 150: electrode layer
160: bistable state display medium 162: pattern
170: glue frame 180: waterproof membrane
D, d1, d2, D: apart from M: certification mark
S200～S230: step
Embodiment
Figure 1A is the diagrammatic cross-section of a kind of bistable display of one embodiment of the invention, Figure 1B is the schematic top plan view of first substrate among Figure 1A, and Fig. 1 C is the schematic top plan view of the bistable display of Figure 1A, and wherein the indicia patterns among Figure 1B 130 in fact can be overlapping with the pattern 162 that bistable state display medium 160 demonstrates.Please be simultaneously with reference to Figure 1A to Fig. 1 C, bistable display 100 comprises one first substrate 110, a pel array 120, an indicia patterns 130, one second substrate 140, an electrode layer 150 and a bistable state display medium 160.Please refer to Figure 1B, first substrate 110 has a viewing area 112 and a non-display area 114.In the present embodiment, viewing area 112 is that the dotted line among Figure 1B crosses next interior zone, and dotted line to the zone at edge then is a non-display area 114, and just non-display area 114 for example is around viewing area 112.Pel array 120 is arranged in the viewing area 112 of first substrate 110.Pel array 120 comprises multi-strip scanning line 122, many data lines 124 and a plurality of pixel cell 126, each pixel cell 126 for example is to comprise an active member 126a and the pixel electrode 126b that electrically connects with active member 126a, and pixel cell 126 electrically connects with data line 124 by active member 126a and corresponding scanning line 122.In general, sweep trace 122 extends to non-display area 114 with data line 124 meetings by viewing area 112 and electrically connects with driving circuit (not illustrating), but, in Figure 1B, omit and illustrate the sweep trace 122 and data line 124 that extends to non-display area 114 for drawings clear.
Please refer to Figure 1A and Fig. 1 C, second substrate 140 is positioned at the subtend of first substrate 110.Electrode layer 150 is arranged on second substrate 140, and the material of electrode layer 150 for example is an indium tin oxide.Bistable state display medium 160 is between first substrate 110 and second substrate 140.Bistable state display medium 160 for example is to comprise an electronic ink material layer, a bistable state liquid crystal material layer, an electrophoresis showed layer or other bistable state display mediums.
Please be simultaneously with reference to Figure 1A to Fig. 1 C, indicia patterns 130 is arranged in the non-display area 114 of first substrate 110, wherein has a voltage difference delta V between indicia patterns 130 on first substrate 110 and the electrode layer 150 on second substrate 140, so that indicia patterns 130 and bistable state display medium 160 between the electrode layer 150 demonstrate the pattern 162 identical with indicia patterns 130.In detail, in the present embodiment, indicia patterns 130 for example is centered around around the viewing area 112 with closing form (such as rectangle or other shapes).Indicia patterns 130 for example is to be electrically connected to an input pad 132, and input pad 132 for example is to electrically connect by a lead 134 and a control circuit (not illustrating).Thus, when control circuit, lead 134 and 132 pairs of indicia patterns 130 of input pad apply a voltage, can have a voltage difference delta V between the electrode layer 150 on the indicia patterns 130 and second substrate 140, this voltage difference delta V makes indicia patterns 130 and bistable state display medium 160 between the electrode layer 150 demonstrate the pattern 162 identical with indicia patterns 130.In addition, because bistable state display medium 160 has bistable characteristic, therefore after the voltage difference delta V between indicia patterns 130 and electrode layer 150 disappeared, the bistable state display medium 160 between indicia patterns 130 and the electrode layer 150 still remained on previous pattern 162.
What pay special attention to is, be to serve as that the sealing rectangle is an example with indicia patterns 130 in the above-described embodiment, but indicia patterns 130 also can have other shapes.For instance, shown in Fig. 2 A, in another embodiment, indicia patterns 130 also can be a flexure type pattern, the flexure type pattern has an outer ledge 130a and an inside edge 130b, outer ledge 130a and viewing area 112 be at a distance of one first apart from d1, and inside edge 130b and viewing area 112 be a second distance d2 apart.Therefore, when forming a voltage difference delta V between the electrode layer 150 on the indicia patterns 130 and second substrate 140, this voltage difference delta V makes indicia patterns 130 and bistable state display medium 160 between the electrode layer 150 demonstrate the pattern 162 identical with indicia patterns 130, and this pattern 162 also has outer ledge 162a and inside edge 162b.Moreover, shown in Fig. 2 B, indicia patterns 130 also can opening mode be centered around viewing area 112 around.In other words, the present invention is not limited the shape and the form of indicia patterns 130.In addition, in the above-described embodiment, be that to electrically connect and give input pad 132 signals by separate conductors 134 with input pad 132 with indicia patterns 130 be example, but in other embodiments, indicia patterns 130 also can be connected with short bar (shortingbar) 136 by lead 134, and short bar (shorting bar) 136 for example is and data line 124 (as shown in Figure 3A), sweep trace 122 (shown in Fig. 3 B), bridging line (not illustrating) or other leads connect, in other words, indicia patterns 130 for example is by lead 134 and short bar 136 and data line 124 (as shown in Figure 3A), sweep trace 122 (shown in Fig. 3 B), bridging line (not illustrating) or other leads electrically connect.
In the present embodiment, indicia patterns 130 and bistable state display medium 160 between the electrode layer 150 can demonstrate the pattern 162 identical with indicia patterns 130, and after the voltage difference delta V between indicia patterns 130 and electrode layer 150 disappeared, the bistable state display medium 160 between indicia patterns 130 and the electrode layer 150 still remained on previous pattern 162.Therefore, in the subsequent treatment of bistable display 100, bistable state display medium 160 shown patterns 162 can be used as the certification mark of bistable display 100, are beneficial to carry out steps such as contraposition or inspection, and then significantly promote the production efficiency and the yield rate of bistable display.In addition, the shown pattern 162 of bistable state display medium 160 also can be as shows signal such as battery capacity, Load Games in the finished product of bistable display 100, or as decorative pattern to increase the attractive in appearance and moulding of bistable display 100.
Fig. 4 is the schematic flow sheet of detection method of a kind of bistable display of one embodiment of the invention, Fig. 5 A to Fig. 5 B is the flow process diagrammatic cross-section of detection method of a kind of bistable display of one embodiment of the invention, and Fig. 6 A to Fig. 6 C is the flow process schematic top plan view of detection method of a kind of bistable display of one embodiment of the invention.Please at first, carry out step S200 simultaneously with reference to Fig. 4, Fig. 5 A and Fig. 6 A, bistable display 100 is provided.Bistable display 100 in the present embodiment is roughly the same with the bistable display 100 shown in Figure 1A and Fig. 1 C, its main difference is in not producing a voltage difference delta V between the indicia patterns 130 of the bistable display 100 of Fig. 5 A and Fig. 6 A and electrode layer 150, so bistable state display medium 160 does not demonstrate the pattern 162 corresponding to indicia patterns 130.In the present embodiment, the shape of indicia patterns 130 for example is the sealing rectangle, but not as limit.
Please be simultaneously with reference to Fig. 4, Fig. 5 A and Fig. 6 B, then, carry out step S210, between indicia patterns 130 and electrode layer 150, produce a voltage difference delta V, so that indicia patterns 130 and bistable state display medium 160 between the electrode layer 150 demonstrate the pattern 162 identical with indicia patterns 130, with as a certification mark M.In other words, in the present embodiment, certification mark M is the sealing rectangle corresponding to indicia patterns 130.
Then, carry out step S220, after the voltage difference delta V between indicia patterns 130 and the electrode layer 150 disappeared, certification mark M still remained on previous pattern 162.
Please then, carry out step S230 simultaneously with reference to Fig. 4, Fig. 5 B and Fig. 6 C, utilize certification mark M as alignment mark, to carry out a subsequent processing steps.In the present embodiment, subsequent processing steps for example is to comprise the setting of glue frame 170 and the detection of glue frame 170 positions.At first, on first substrate 110 and second substrate 140, a frame glue 170 is set, makes frame glue 170 be arranged in the non-display area 114 of first substrate 110.Frame glue 170 can make bistable state display medium 160 be sealed between first substrate 110 and second substrate 140.In this step, can certification mark M as the benchmark that frame glue 170 is set, surpass certification mark M and too near viewing area 112 with the coating of avoiding frame glue 170.Then, whether inspect the edge of frame glue 170 and the distance D between the certification mark M in a critical field.In this step, because bistable state display medium 160 shown certification mark M are visual visible pattern, therefore can directly inspect the edge of frame glue 170 and the distance D between the certification mark M with visual type, whether in predetermined specification, this critical field and specification can be different according to the requirement of each product and each company with the setting of decision box glue 170; Be that D must be greater than certain positive number, or D is so long as human eye can be distinguished a distance of looking gets final product.In addition,, also can use measuring instrument, definitely why predicting distance D, whether in critical field and specification for more rigorous specification requirement.
In the present embodiment, after carrying out step S230, the bistable display 100a of formation shown in Fig. 5 B and Fig. 6 C, bistable display 100a comprises frame glue 170, frame glue 170 for example is arranged on first substrate 110 and second substrate 140, and be arranged in the non-display area 114 of first substrate 110, keep one between the edge of its center glue 170 and the indicia patterns 130, too surpass Dimensions near viewing area 112 to avoid frame glue 170 apart from d.Wherein, be equal to the edge of frame glue 170 and the distance D between the certification mark M in fact apart from d between the edge of frame glue 170 and the indicia patterns 130.In other words, in the present embodiment, by being that benchmark is coated with glue frame 170 with certification mark M, can avoid the coating of glue frame 170 to exceed predetermined dimension, and in the present embodiment, can directly judge the position of glue frame 170 and need not to use other measuring instruments to carry out complicated measurement, so can significantly promote production efficiency and the yield rate of bistable display 100a in visual mode.It should be noted that the present invention does not limit the use of measuring instrument in order to try to achieve more accurate contraposition.
What deserves to be mentioned is, the above embodiments are to be example so that the bistable display 100 with the certification mark M shown in Fig. 6 B is carried out the setting of glue frame 170 and the detection of glue frame 170 positions, but along with the different of the certification mark M of bistable display 100 or with other member engages, the subsequent processing steps that step S230 carried out also can be different.For instance, in another embodiment, can carry out the setting of glue frame 170 and the detection of glue frame 170 positions to the bistable display shown in Fig. 2 A 100 by step S230, wherein the indicia patterns 130 of bistable display 100 is flexure type pattern and an outer ledge 130a and an inside edge 130b, outer ledge 130a and viewing area 112 be at a distance of one first apart from d1, and inside edge 130b and viewing area 112 be a second distance d2 apart.In detail, please be simultaneously with reference to Fig. 4 and Fig. 7, in the present embodiment, step S230 may further comprise the steps.At first, on first substrate 110 shown in Fig. 2 A and second substrate 140, a frame glue 170 is set.In this step, outer ledge 162a that can certification mark M and the coating scope that inside edge 162b limits frame glue 170, guaranteeing that frame glue 170 is coated between outer ledge 162a and the inside edge 162b at least, and avoid frame glue 170 too near viewing area 112.Then, inspect the edge of frame glue 170 and the distance D between the viewing area 112 whether between first apart from d1 and second distance d2 between.In this step, because bistable state display medium 160 shown certification mark M are visual visible pattern, therefore can be directly inspect frame glue 170 whether between outer ledge 162a and inside edge 162b with visual type, with the setting of decision box glue 170 whether in the specification of being scheduled to.The present invention also can use measuring instrument, to obtain more accurate distance D.
Please refer to Fig. 7, in the present embodiment, after carrying out step S230, form bistable display 100a, bistable display 100a comprises frame glue 170, frame glue 170 for example is arranged on first substrate 110 and second substrate 140, and be arranged in the non-display area 114 of first substrate 110, the inside edge 130b that its center glue 170 covers the outer ledge 130a of flexure type indicia patterns 130 and exposes flexure type indicia patterns 130 too exceeds Dimensions to avoid frame glue 170 near viewing area 112.In other words, in the present embodiment, by being that benchmark is coated with glue frame 170 with certification mark M, can avoid the coating of glue frame 170 to exceed predetermined dimension, and can directly judge the position of glue frame 170 and need not to use other measuring instruments to carry out complicated measurement, so can significantly promote production efficiency and the yield rate of bistable display 100a in visual mode.The present invention also can use measuring instrument to carry out more accurate measurement.
Be to be example to the subsequent processing steps that bistable display 100 carries out the detection of the setting of glue frame 170 and glue frame 170 positions in the above-described embodiment, make bistable display 100 and other member engages but step S230 also can carry out other subsequent processing steps to bistable display 100 with step S230.For instance, in another embodiment, the subsequent processing steps that step S230 carried out for example is that bistable display is carried out the setting of waterproof membrane and the detection of waterproof membrane position.In detail, please be simultaneously with reference to Fig. 4, Fig. 8 A and Fig. 8 B, in the present embodiment, certification mark M is the sealing rectangle corresponding to indicia patterns 130, but not as limit, step S230 may further comprise the steps.At first, on second substrate 140, attach a waterproof membrane 180.In this step, for example be that waterproof membrane 180 is attached in the scope that certification mark M centered on, cover viewing areas 112 to guarantee waterproof membrane 180.Then, whether inspect the edge of waterproof membrane 180 and the distance D between the certification mark M in a critical field.In this step, because bistable state display medium 160 shown certification mark M are visual visible pattern, therefore can directly inspect the edge of waterproof membrane 180 and the distance D between the certification mark M with visual type, with the attaching of judgement waterproof membrane 180 whether in the specification of being scheduled to.This critical field and specification can be different according to the requirement of each product and each company; Be that D must be greater than certain positive number, or D is so long as human eye can be distinguished a distance of looking gets final product.In addition,, also can use measuring instrument, definitely why predicting distance D, whether in critical field and specification for more rigorous specification requirement.
In the present embodiment, after carrying out step S230, the bistable display 100b of formation shown in Fig. 8 A and Fig. 8 B, bistable display 100b comprises waterproof membrane 180, waterproof membrane 180 for example is to be covered on second substrate 140, and keep one between the edge of waterproof membrane 180 and the indicia patterns 130 apart from d, do not surpass specification to guarantee waterproof membrane 180 sticking positions.Wherein, be equal to the edge of waterproof membrane 180 and the distance D between the certification mark M in fact apart from d between the edge of waterproof membrane 180 and the indicia patterns 130.In other words, in the present embodiment, by being that benchmark attaches waterproof membrane 180 with certification mark M, can avoid the setting of waterproof membrane 180 to exceed predetermined dimension, and can directly judge the position of waterproof membrane 180 and need not to use other measuring instruments to carry out complicated measurement, so can significantly promote production efficiency and the yield rate of bistable display 100b in visual mode.The present invention also can use measuring instrument to carry out more accurate measurement.
In an embodiment again, the subsequent processing steps that step S230 carried out for example is that the bistable display shown in Fig. 2 A 100 is carried out the setting of waterproof membrane 180 and the detection of waterproof membrane 180 positions.In detail, please be simultaneously with reference to Fig. 4 and Fig. 9, in the present embodiment, the indicia patterns 130 of bistable display 100 is flexure type pattern and an outer ledge 130a and an inside edge 130b, outer ledge 130a and viewing area 112 at a distance of one first apart from d1, inside edge 130b and viewing area 112 are at a distance of a second distance d2, and step S230 may further comprise the steps.At first, on second substrate 140 shown in Fig. 2 A, attach a waterproof membrane 180.In this step, for example be that the edge with waterproof membrane 180 is attached between the outer ledge 130a and inside edge 130b of certification mark M, cover viewing areas 112 to guarantee waterproof membrane 180.Then, inspect the edge of waterproof membrane 180 and the distance D between the viewing area 112 whether between first apart from d1 and second distance d2 between.In this step,, therefore can be directly inspect the attaching of waterproof membrane 180 whether in the specification of being scheduled to visual type because bistable state display medium 160 shown certification mark M are visual visible pattern.The present invention also can use measuring instrument to carry out more accurate measurement.
In the present embodiment, after carrying out step S230, form bistable display 100b as shown in Figure 9, bistable display 100b comprises waterproof membrane 180, waterproof membrane 180 for example is to be covered on second substrate 140, wherein waterproof membrane 180 covers the inside edge 130b of flexure type indicia patterns 130 and exposes the outer ledge 130a of flexure type indicia patterns 130, covers viewing areas 112 to guarantee waterproof membrane 180.In other words, in the present embodiment, by being that benchmark attaches waterproof membrane 180 with certification mark M, can avoid the setting of waterproof membrane 180 to exceed predetermined dimension, and can directly judge the position of waterproof membrane 180 and need not to use other measuring instruments to carry out complicated measurement, so can significantly promote production efficiency and the yield rate of bistable display 100b in visual mode.The present invention also can use measuring instrument to carry out more accurate measurement.
Special one carry be, behind completed knocked down products, just form after bistable display 100a, the 100b, if do not think to drive again indicia patterns 130, then can cut off the lead that offers indicia patterns 130 signals (shown in the lead 134 shown in Figure 1B, Fig. 3 A at the lead between input pad 132 and sweep trace 122 shown in the lead between input pad 132 and the data line 124 or Fig. 3 B), to simplify the circuit arrangement at this place.
By the above embodiments as can be known, the bistable state display medium 160 of bistable display 100 can demonstrate the pattern 162 identical with indicia patterns 130, with as certification mark M.Therefore, when the subsequent processing steps such as attaching of the coating of bistable display 100 being carried out glue frame 170 and waterproof membrane 180, position that can certification mark M is that alignment mark forms members such as frame glue 170, waterproof membrane 180, is beneficial to carry out contraposition.In addition, at members such as frame glue 170, waterproof membranes 180 with after bistable display 100 engages, again can be directly with the edge and the distance between the certification mark M of members such as range estimation mode decision block glue 170, waterproof membrane 180, with the setting of inspecting these members whether in the specification of being scheduled to and need not to use other measuring instruments to carry out complicated measurement.Therefore, the detection method of above-mentioned bistable display can significantly promote the production efficiency and the yield rate of bistable display.It should be noted that the present invention also can use measuring instrument to carry out more accurate measurement.
Special one carry be, in an embodiment (not illustrating), after finishing above-mentioned subsequent processing steps, if in the finished product of bistable display 100, can not drive indicia patterns 130 again, then can cut off the control circuit that gives indicia patterns 130 signals and the binding between the indicia patterns 130, promptly can no longer give indicia patterns 130 signals, for instance, lead 134 shown in Fig. 3 A and Fig. 3 B and the binding between the short bar 136 can be cut off, moreover, also can be simultaneously with between data line 124 and the short bar 136 (as shown in Figure 3A) and the binding between sweep trace 122 and the short bar 136 (shown in Fig. 3 B) cut off.
In sum, the present invention is provided with indicia patterns in the non-display area of bistable display, when having a voltage difference between indicia patterns and the electrode layer, indicia patterns can demonstrate the pattern identical with indicia patterns with bistable state display medium between the electrode layer, and the voltage difference of this pattern between indicia patterns and electrode layer still keeps previous pattern when disappearing.Therefore, the shown pattern of bistable state display medium also can be as shows signal such as battery capacity, Load Games in the finished product of bistable display, or as decorative pattern to increase the attractive in appearance and moulding of bistable display.In addition, in the subsequent processing steps of bistable display, the shown pattern of bistable state display medium can be used as certification mark, be beneficial to carry out steps such as the setting of glue frame, waterproof membrane and other members and position probing, and then significantly promote the production efficiency and the yield rate of bistable display.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (19)
1. a bistable display is characterized in that, comprising:
One first substrate, it has a viewing area and a non-display area;
One pel array is arranged in this viewing area of this first substrate;
One indicia patterns is arranged in this non-display area of this first substrate;
One second substrate is positioned at the subtend of this first substrate;
One electrode layer is arranged on this second substrate; And
One bistable state display medium, between this first substrate and this second substrate,
Wherein has a voltage difference between this indicia patterns on this first substrate and this electrode layer on this second substrate, so that this indicia patterns demonstrates the pattern identical with this indicia patterns with this bistable state display medium between this electrode layer.
2. bistable display according to claim 1 is characterized in that, this bistable state display medium comprises an electronic ink material layer or a bistable state liquid crystal material layer.
3. bistable display according to claim 1, it is characterized in that, more comprise a frame glue, on this first substrate and this second substrate, a frame glue is set, and be arranged in this non-display area of this first substrate, wherein keep a distance between the edge of this frame glue and this indicia patterns.
4. bistable display according to claim 1, it is characterized in that, more comprise a frame glue, on this first substrate and this second substrate, a frame glue is set, and be arranged in this non-display area of this first substrate, wherein this indicia patterns is a flexure type pattern, and this flexure type pattern has an outer ledge and an inside edge, and this frame glue covers this outer ledge and exposes this inside edge.
5. bistable display according to claim 1 is characterized in that, more comprises a waterproof membrane, is covered on this second substrate, and keeps a distance between the edge of this waterproof membrane and this indicia patterns.
6. bistable display according to claim 1, it is characterized in that, more comprise a waterproof membrane, be covered on this second substrate, wherein this indicia patterns is a flexure type pattern, this flexure type pattern has an outer ledge and an inside edge, and this waterproof membrane covers this inside edge and exposes this outer ledge.
7. bistable display according to claim 1 is characterized in that, this indicia patterns with closing form be centered around this viewing area around.
8. bistable display according to claim 1 is characterized in that, this indicia patterns with opening mode be centered around this viewing area around.
9. bistable display according to claim 1 is characterized in that this indicia patterns is electrically connected to an input pad.
10. bistable display according to claim 1, it is characterized in that, this pel array comprises multi-strip scanning line, many data lines and a plurality of pixel cells that electrically connect with these sweep traces and these data lines, and this indicia patterns is electrically connected to wherein a sweep trace or data line wherein.
11. the detection method of a bistable display is characterized in that, comprising:
One bistable state display is provided, and it according to claim 1;
Between this indicia patterns and this electrode layer, produce a voltage difference, so that this indicia patterns demonstrates the pattern identical with this indicia patterns with this bistable state display medium between this electrode layer, with as a certification mark;
After this voltage difference between this indicia patterns and this electrode layer disappeared, this certification mark still showed the pattern that this is identical; And
Utilize this certification mark as alignment mark, to carry out a subsequent processing steps.
12. the detection method of bistable display according to claim 11 is characterized in that, this subsequent processing steps comprises:
On this first substrate and this second substrate, a frame glue is set; And
Whether inspect the edge of this frame glue and the distance between this certification mark in a critical field.
13. the detection method of bistable display according to claim 11, it is characterized in that, this indicia patterns is a flexure type pattern, this flexure type pattern has an outer ledge and an inside edge, this outer ledge and this viewing area are at a distance of one first distance, this inside edge and this viewing area be a second distance apart, and utilizes this certification mark to comprise to carry out this subsequent processing steps as alignment mark:
On this first substrate and this second substrate, a frame glue is set; And
Inspect the edge of this frame glue and the distance between this viewing area whether between this first distance and this second distance.
14. the detection method of bistable display according to claim 11 is characterized in that, this subsequent processing steps comprises:
On this second substrate, attach a waterproof membrane; And
Whether inspect the edge of this waterproof membrane and the distance between this certification mark in a critical field.
15. the detection method of bistable display according to claim 11, it is characterized in that, this indicia patterns is a flexure type pattern, this flexure type pattern has an outer ledge and an inside edge, this outer ledge and this viewing area are at a distance of one first distance, this inside edge and this viewing area be second distance apart, and utilizes this certification mark to comprise to carry out this subsequent processing steps as alignment mark:
On this second substrate, attach a waterproof membrane; And
Inspect the edge of this waterproof membrane and the distance between this viewing area whether between this first distance and this second distance.
16. the detection method of bistable display according to claim 11 is characterized in that, this indicia patterns is electrically connected to an input pad.
17. the detection method of bistable display according to claim 16 is characterized in that, utilize this certification mark as alignment mark with after carrying out this subsequent processing steps, more comprise making between this indicia patterns and this input pad being electrically insulated.
18. the detection method of bistable display according to claim 11, it is characterized in that, this pel array comprises multi-strip scanning line, many data lines and a plurality of pixel cells that electrically connect with these sweep traces and these data lines, and this indicia patterns is electrically connected to wherein a sweep trace or data line wherein.
19. the detection method of bistable display according to claim 18, it is characterized in that, utilize this certification mark as alignment mark with after carrying out this subsequent processing steps, more comprise making between this indicia patterns and this sweep trace or this data line being electrically insulated.
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| CN2010102275000A CN101900917B (en) | 2010-07-12 | 2010-07-12 | Bistable display and detection method thereof |
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| CN2010102275000A CN101900917B (en) | 2010-07-12 | 2010-07-12 | Bistable display and detection method thereof |
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| CN101900917A true CN101900917A (en) | 2010-12-01 |
| CN101900917B CN101900917B (en) | 2011-12-14 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102736289A (en) * | 2011-04-13 | 2012-10-17 | 华映视讯（吴江）有限公司 | Display panel |
| CN108732792A (en) * | 2017-04-14 | 2018-11-02 | 施耐德电器工业公司 | Bistable display and its driving method |
| CN109742065A (en) * | 2018-12-25 | 2019-05-10 | 惠科股份有限公司 | A kind of display panel and the method and display device for cutting its mother substrate |
| CN110221495A (en) * | 2018-11-26 | 2019-09-10 | 友达光电股份有限公司 | Display panel |
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| EP1170624A1 (en) * | 2000-07-05 | 2002-01-09 | Rolic AG | Nematic liquid crystal electrooptical element and device |
| US20070146562A1 (en) * | 2000-12-28 | 2007-06-28 | Optrex Corporation | Liquid crystal optical element and test method for its boundary layer |
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| EP1170624A1 (en) * | 2000-07-05 | 2002-01-09 | Rolic AG | Nematic liquid crystal electrooptical element and device |
| US20070146562A1 (en) * | 2000-12-28 | 2007-06-28 | Optrex Corporation | Liquid crystal optical element and test method for its boundary layer |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102736289A (en) * | 2011-04-13 | 2012-10-17 | 华映视讯（吴江）有限公司 | Display panel |
| CN102736289B (en) * | 2011-04-13 | 2014-11-19 | 华映视讯（吴江）有限公司 | Display panel |
| CN108732792A (en) * | 2017-04-14 | 2018-11-02 | 施耐德电器工业公司 | Bistable display and its driving method |
| CN108732792B (en) * | 2017-04-14 | 2021-07-23 | 施耐德电器工业公司 | Bistable display and driving method thereof |
| CN110221495A (en) * | 2018-11-26 | 2019-09-10 | 友达光电股份有限公司 | Display panel |
| CN109742065A (en) * | 2018-12-25 | 2019-05-10 | 惠科股份有限公司 | A kind of display panel and the method and display device for cutting its mother substrate |
| CN109742065B (en) * | 2018-12-25 | 2020-10-16 | 惠科股份有限公司 | Display panel, method for cutting mother substrate of display panel and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101900917B (en) | 2011-12-14 |
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