CN100347653C - Transmitting touch control plate with fingerprint identifying function - Google Patents
Transmitting touch control plate with fingerprint identifying function Download PDFInfo
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- CN100347653C CN100347653C CNB2004100745858A CN200410074585A CN100347653C CN 100347653 C CN100347653 C CN 100347653C CN B2004100745858 A CNB2004100745858 A CN B2004100745858A CN 200410074585 A CN200410074585 A CN 200410074585A CN 100347653 C CN100347653 C CN 100347653C
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- film transistor
- tft
- pattern layer
- thin film
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Abstract
The present invention relates to a transparent touch-controlled plate with a fingerprint identifying function. The transparent touch-controlled plate is arranged on the surface of a display panel and is provided with at least one fingerprint identifying area, and the transparent touch-controlled plate comprises a film transistor array, a plurality of signal wires, a transparent conductive pattern layer, a separation pattern layer and a conductive elastic film layer, wherein the film transistor array is formed on the surface of the display panel in a fingerprint displaying area; the signal wires are positioned in the film transistor array and are connected with each film transistor; the transparent conductive pattern layer is formed above the signal wires and is connected with the film transistors; the separation pattern layer is positioned on the surface of the display panel and surrounds the fingerprint identifying area; the conductive elastic film layer is positioned above the separation pattern layer and is separated from the transparent conductive pattern layer.
Description
Technical field
The invention relates to a kind of transmitting touch control plate of being located at panel surface, especially a kind of transmitting touch control plate with finger print identification function.
Background technology
Along with science and technology progresses greatly day by day, the diversification that becomes of healing of the input media of electronic product.And in numerous input medias, Trackpad is that the function with input media and display integrates, except can save input media the space that must occupy, the characteristic that Trackpad allows the user directly to import on display panel also provides more humane selection.Therefore, in many electronic products, use Trackpad to replace keyboard gradually as main input media.
Please refer to shown in Figure 1ly, is the synoptic diagram of a typical resistances formula transmitting touch control plate (transparent touchpane1) 10.This transmitting touch control plate 10 is the surfaces that are made in display panel (not icon), and comprises a light transmission conductive layer (ITO Layer) 12, one transparency conducting film (ITO Film) 16 and a plurality of separations (spacer) 14.Wherein, light transmission conductive layer 12 is directly to be made in panel surface, and transparency conducting film 16 is the tops that are positioned at light transmission conductive layer 12, and, separation 14 is clampings in 16 of light transmission conductive layer 12 and transparency conducting films, and light transmission conductive layer 12 and transparency conducting film 16 are separated from each other.
The relative dual-side 12a and the 12b of light transmission conductive layer 12 are connected with different voltage level, and make the voltage gradient that produces on the light transmission conductive layer 12 perpendicular to Y direction among the figure.Simultaneously, the relative dual-side 16a and the 16b of this transparency conducting film 16 also are connected with different voltage level, and make the voltage gradient that produces on the transparency conducting film perpendicular to X-direction among the figure.When finger transparency conducting film 16 is exerted pressure, transparency conducting film 16 is contacted with light transmission conductive layer 12.To cause the voltage level distribution on light transmission conductive layer 12 and the transparency conducting film 16 to change.And see through the voltage level value of detecting 16 4 corner location of transparency conducting film, can infer that the pressure of finger is touched the position.It should be noted that this resistance-type transmitting touch control plate 10 only can detect the pressure of single fixed point and touch signal, touch signal and can't detect to press as fingerprint pattern multiple spots such as (finger print pattern).
Please refer to shown in Fig. 2 A and Fig. 2 B, is the vertical view and the sectional view of the transmitting touch control plate 20 of a typical tool finger print identification function.And Fig. 2 B is corresponding to the a-a profile line among Fig. 2 A.This transmitting touch control plate 20 is to be made on the display panel 30, and, comprise a plurality of thin film transistor (TFT) 22, a plurality of data line 24, a plurality of sweep trace 26, a printing opacity conductive pattern layer 27, electrically conductive elastic retes 28 and separation patterned layer 29 that are array distribution.Wherein, a plurality of data lines 24 are vertically to be arranged on the display panel 30, and a plurality of sweep trace 26 is transversely arranged on display panel 30, to mark off a plurality of grids.Each thin film transistor (TFT) 22 is to lay respectively in these grids, and its drain D is to be connected to adjacent data line 24, and grid G is to be connected to adjacent scanning lines 26.
Printing opacity conductive pattern layer 27 includes a plurality of block 27a, riddles respectively in these grids.And each block 27a is the source S that connects the thin film transistor (TFT) 22 in the grid so far.Electrically conductive elastic rete 28 is the tops that are positioned at printing opacity conductive pattern layer 27.Separating patterned layer 29 is to be positioned on the display panel 30, and be surrounded on transmitting touch control plate 20 around, make with printing opacity conductive pattern layer 27 and be separated from each other to support electrically conductive elastic rete 28.
When finger this transmitting touch control plate 20 being exerted pressure, be subjected to pressing the partially conductive layers of elastomeric film of touching 28, is corresponding block 27a in the contact printing opacity conductive pattern layer 27.And make the electric signal that feeds electrically conductive elastic rete 28, and seen through these blocks 27a, be passed to the source S of corresponding thin film transistor (TFT) 22.At the same time, sweep signal is to see through sweep trace 26, and the electric signal that feeds each thin film transistor (TFT) 22 by the row sampling, and by the position of the pairing thin film transistor (TFT) 22 of this electric signal of data line 24 interpretations, is touched the position to differentiate to press.
Under the situation of using traditional transmitting touch control plate 20, the light that backlight produced must penetrate display panel 30, printing opacity conductive pattern layer 27 and electrically conductive elastic rete 28 in regular turn, the picture of display panel could be sent to the external world.Even and the indium tin oxide (ITO) or the indium-zinc oxide (IZO) of employing high transmission rate are made printing opacity conductive pattern layer 27, light is in penetrating into extraneous process, also have part light by these printing opacity conductive pattern layer 27 absorptions, and influence the luminescence efficiency of display.In addition, if printing opacity conductive pattern layer 27 only covers the part surface of display panel 30, so that the function of fingerprint input to be provided, then be coated with printing opacity conductive pattern layer 27 places, the picture brightness of display panel 30 will be starkly lower than other part that is covered, and cause the uneven display effect that influences of picture brightness.
So, how to improve the transmittance of printing opacity conductive pattern layer, will very significant effects be arranged for the picture quality of display panel.
Summary of the invention
Fundamental purpose of the present invention is to improve the transmittance of the transmitting touch control plate of tool finger print identification function.
The present invention provides a kind of transmitting touch control plate with finger print identification function, is located at a panel surface.This transmitting touch control plate has at least one identification of fingerprint zone, comprises a thin film transistor (TFT) array, many signal line, a printing opacity conductive pattern layer, a separation patterned layer and an electrically conductive elastic rete.Wherein, thin film transistor (TFT) array is the panel surface that is formed at place, fingerprint viewing area.Many signal line are to be arranged in thin film transistor (TFT) array, and, be connected to each thin film transistor (TFT).The printing opacity conductive pattern layer is the top that is formed at signal wire, and is connected with thin film transistor (TFT).Separating patterned layer is to be positioned at panel surface, and around the identification of fingerprint zone.The electrically conductive elastic rete is to be positioned at the top of separating patterned layer, and is subjected to separating the patterned layer support, makes with the printing opacity conductive pattern layer to be separated from each other.When electrically conductive elastic rete pressurized contacts with the printing opacity conductive pattern layer, an electrical signals is to import thin film transistor (TFT) into, and sees through signal wire and outwards transmit, and presses the position for induction.
The present invention provides a kind of flat-panel screens in addition, at least have a display panel and a transmitting touch control plate, this transmitting touch control plate is the surface that is attached at this display panel, and, this transmitting touch control plate has at least one identification of fingerprint zone, it is characterized in that described transmitting touch control plate comprises: a thin film transistor (TFT) array is the panel surface that is formed at this place, fingerprint viewing area; Many signal line crisscross in this thin film transistor (TFT) array with checkerboard, and the grid of each thin film transistor (TFT) is connected with this signal wire respectively with drain electrode; One printing opacity conductive pattern layer is the top that is formed at this signal wire, and is connected with the source electrode of this thin film transistor (TFT); One separates patterned layer, is positioned at this panel surface, and around this identification of fingerprint zone; One electrically conductive elastic rete is positioned at the top of this separation patterned layer, and is subjected to this separation patterned layer and supports to make with this printing opacity conductive pattern layer and be separated from each other; When this electrically conductive elastic rete pressurized contacts with this printing opacity conductive pattern layer, an electrical signals is the electrode that imports this thin film transistor (TFT) into, and sees through this signal wire and outwards transmit, and presses the position for induction.
The present invention also provides a kind of fingerprint identification system, is arranged at the surface of a display panel, it is characterized in that described fingerprint identification system comprises: a thin film transistor (TFT) array is to be formed at this panel surface; Many signal line crisscross in this thin film transistor (TFT) array with checkerboard, and the grid of each thin film transistor (TFT) is connected with this signal wire respectively with drain electrode; One printing opacity conductive pattern layer is the top that is formed at this signal wire, and is connected with the source electrode of this thin film transistor (TFT); One separates patterned layer, is positioned at this panel surface; One electrically conductive elastic rete is positioned at the top of this separation patterned layer, and is subjected to this separation patterned layer and supports to make with this printing opacity conductive pattern layer and be separated from each other; One detecting unit electrically connects this electrically conductive elastic rete and this signal wire respectively, with the detecting fingerprint pattern; When this electrically conductive elastic rete pressurized contacts with this printing opacity conductive pattern layer, an electrical signals is the electrode that imports this thin film transistor (TFT) into, and sees through this signal wire and be passed to this detecting unit, presses the position for induction.
Description of drawings
Fig. 1 is the synoptic diagram of a typical resistances formula transmitting touch control plate;
Fig. 2 A and Fig. 2 B are the sectional view and the vertical views of the transmitting touch control plate of a typical tool finger print identification function;
Fig. 3 is the synoptic diagram of the present invention's one flat-panel screens preferred embodiment;
Fig. 4 A and Fig. 4 B are the sectional view and the vertical views of identification of fingerprint zone one preferred embodiment of Fig. 3;
Fig. 5 is the block of printing opacity conductive pattern layer, the amplification plan view of another embodiment;
Fig. 6 is the block of printing opacity conductive pattern layer, the amplification plan view of another embodiment.
Symbol description:
Transmitting touch control plate～10,20,40 light transmission conductive layer～12
Transparency conducting film 16 separations～14
Thin film transistor (TFT)～22,42 data lines～24,44
Sweep trace～26,46 printing opacity conductive pattern layer～27,47,57,67
Block～27a, 47a, 57a, 67a electrically conductive elastic rete～28,48
Separate patterned layer～29,49 display panels～30,50
Elastic insulated substrate～482 conductive coatings～484
First extension～472 second extension～474
The 3rd extension～572 the 4th extension～574
The 5th extension～576
Embodiment
Can be about the advantages and spirit of the present invention by following detailed Description Of The Invention and appended graphic being further understood.
Please refer to shown in Figure 3ly, is the synoptic diagram of the present invention's one flat-panel screens preferred embodiment.As shown in FIG., this flat-panel screens has a display panel 50 and a transmitting touch control plate (transparent touch panel) 40.Wherein, transmitting touch control plate 40 is the surfaces that are attached at display panel 50, and, have identification of fingerprint zone F in the lower left corner of transmitting touch control plate 40.
Please refer to Fig. 4 A with shown in the figure B, is the vertical view and the sectional view of identification of fingerprint zone F one preferred embodiment of Fig. 3.And Fig. 4 B is corresponding to the b-b profile line among Fig. 4 A.This transmitting touch control plate 40 comprises a plurality of thin film transistor (TFT)s 42, a plurality of signal wire 44 and 46, a printing opacity conductive pattern layer 47, a separation patterned layer 49 and an electrically conductive elastic rete 48 at F place, identification of fingerprint zone.Wherein, a plurality of thin film transistor (TFT)s 42 are with the upper surface of array distribution in the display panel at F place, identification of fingerprint zone, to form a thin film transistor (TFT) array.Above-mentioned signal wire is to comprise a plurality of data lines 44 of upper surface that are parallel to each other and vertically are arranged in the display panel 50 at F place, identification of fingerprint zone, is parallel to each other and the sweep trace 46 of the upper surface of transversely arranged display panel 50 in the regional F of identification of fingerprint place with a plurality of.These data lines 44 are to present checkerboard to crisscross in the above-mentioned thin film transistor (TFT) array with sweep trace 46.And the drain D of each thin film transistor (TFT) 42 is to be connected to adjacent data line 44, and grid G is to be connected to adjacent scanning lines 46.
Printing opacity conductive pattern layer 47 generally is made of indium tin oxide (ITO), is display panel 50 tops that are covered in F place, fingerprint viewing area.And this printing opacity conductive pattern layer 47 is to divide into a plurality of blocks that are separated from each other (islet) 47a, corresponds to each thin film transistor (TFT) 42 respectively, and is connected to the source S of pairing thin film transistor (TFT) 42.Shown in Fig. 4 A, each block 47a of printing opacity conductive pattern layer 47 has one first extension 472 and one second extension 474 respectively, and presents the outward appearance of L type.And first extension 472 and second extension 474 are by the crossover location of data line 44 with sweep trace 46, respectively along the move towards extension of data line 44 with sweep trace 46.In addition, be subjected to covering of each block 47a for fear of the light that passes display panel 50, the width of aforementioned first extension 472 and second extension 474 is to be subjected to limiting in the width of data line 44 with sweep trace 46.With regard to a preferred embodiment, the live width of first extension 472 is 1 to 1.5 times of data line 44 live widths, and the live width of second extension 474 is 1 to 1.5 times of sweep trace 46 live widths.
Electrically conductive elastic rete 48 is to be positioned on the printing opacity conductive pattern layer 47, and comprises an elastic insulated substrate 482 and a conductive coating 484.Wherein, conductive coating 484 is the lower surfaces that are positioned at elastic insulated substrate 482.Basically, this conductive coating 484 can be an indium oxide layer of tin or a metal level.Separating patterned layer 49 is to be positioned on the display panel 50, and be surrounded on transmitting touch control plate 40 around, to support electrically conductive elastic rete 48, make with printing opacity conductive pattern layer 47 to be separated from each other.
In order to detect fingerprint signal, a detecting unit (not icon) is to be electrically connected electrically conductive elastic rete 48 and each data line 44.When finger electrically conductive elastic rete 48 being exerted pressure, be subjected to pressing the partially conductive layers of elastomeric film of touching 48, is corresponding block 47a in the contact printing opacity conductive pattern layer 47.Whereby, feed the electric signal of electrically conductive elastic rete 48, be passed to the source S of the thin film transistor (TFT) 42 of corresponding aforementioned block 47a.Simultaneously, sweep signal by sweep trace 46 inputs is to open thin film transistor (TFT) 42 by row, make this electric signal be seen through data line 44 and outwards be passed to detecting unit,, and then differentiate to press and touch the position for the position of the pairing thin film transistor (TFT) 42 of detecting unit interpretation electric signal.
Though it should be noted that the thin film transistor (TFT) described in Fig. 4 A and Fig. 4 B, be the thin film transistor (TFT) that belongs to bottom-gate (bottom gate), yet, be not limited to this.Thin film transistor (TFT) used in the present invention is the usefulness as switch, to present the function of identification of fingerprint.Thereby being not limited to use bottom gate thin film transistor, top grid (top gate) thin film transistor (TFT) also can be applicable among the present invention.
Please refer to Fig. 5, is the amplification plan view of another embodiment of block 57a of printing opacity conductive pattern layer.As shown in FIG., this block 57a has one the 3rd extension 572, one the 4th extension 574 and one the 5th extension 576, and presents the outward appearance of T type.Wherein, the 3rd extension 572 and the 4th extension 574 are by the crossover location of data line 44 with sweep trace 46, along the trend of data line 44, extend toward the both sides of sweep trace 46 respectively.And the 5th extension 576 is by the crossover location of data line 44 with sweep trace 46, along the extension of moving towards of sweep trace 46.The 3rd extension 572 and the 4th extension 574 that it should be noted that adjacent two block 57a must keep a preset distance, touch the identification capability of signal for pressure to guarantee printing opacity conductive pattern layer 57.
Please refer to Fig. 6, is the amplification plan view of the another embodiment of block 67a of printing opacity conductive pattern layer.As shown in FIG., this block 67a is by data line 44 crossover location with sweep trace 46, along sweep trace 46 move towards extend, and present the outward appearance of I type.Width that it should be noted that this I type block 67a is greater than second extension 474 among the 4th figure, so that enough contacts area to be provided, prevents that detection signal is too faint.And with regard to a preferred embodiment, the live width of this I shape block 67a can increase to the octuple of the live width of sweep trace 46, and is unlikely to the transmittance in identification of fingerprint zone is caused too much influence.
Basically, the width of fingerprint is between 400 microns and 500 microns, therefore, in order to provide enough resolution with the detecting fingerprint, with regard to a preferred embodiment, in the transmitting touch control plate of the present invention, the distance of adjacent two data lines 44 must be less than 100 microns, and the distance of adjacent two sweep traces 46 also must be less than 100 microns.
Basically, the light that backlight produced covers data line, sweep trace, the thin film transistor (TFT) array that is subjected to display panel 50 in the process that passes display panel 50.And the light that passes display panel 50 is when passing transmitting touch control plate 40 of the present invention, and data line 44, the sweep trace 46 that will be subjected to again in the transmitting touch control plate 40 cover with thin film transistor (TFT) 42.Therefore, with regard to a preferred embodiment, data line 44 in the transmitting touch control plate 40, sweep trace 46 and thin film transistor (TFT) 42, be data line, sweep trace and the thin film transistor (TFT) array of being located at display panel 50 respectively directly over, with the luminescence efficiency of raising backlight.
Though it should be noted that in Fig. 3 to have only the lower right-hand corner of transmitting touch control plate 40 to provide finger print identification function.But if the electrically conductive elastic rete in the transmitting touch control plate 40 48 extends the whole display surfaces that cover display panel 50, and printing opacity conductive pattern layer 47 is also extended the whole display surfaces that cover display panel 48.The other parts of transmitting touch control plate 40 then, the function of the single-point input that also provides general Trackpad and had.
Compared to the transmitting touch control plate of traditional tool finger print identification function, the present invention has following advantage:
One, shown in Fig. 4 A and 4B, in the printing opacity conductive pattern layer 47 of the present invention, each block 47a comprises one first extension 472 and one second extension 474, lays respectively at directly over data line 44 and the sweep trace 46.And because the light that backlight produced when passing transmitting touch control plate 40, will inevitably be covered by data line 44 and sweep trace 46, therefore, printing opacity conductive pattern layer 47 of the present invention obviously can improve the aperture opening ratio of transmitting touch control plate 40, to promote luminosity.
Two, because the present invention sees through having or not of data line 44 detecting electric signal, touch the position to differentiate to press.And, can produce electric signal as long as electrically conductive elastic rete 48 contacts with block 47a, as for the size of contact area, non-its asked.Therefore, transmitting touch control plate 40 of the present invention can't impact the generation of touching signals.Otherwise, owing to the size that appropriateness of the present invention has been dwindled block 47a, can improve the distance of adjacent block 47a, to improve the identification capability of fingerprint.
Claims (20)
1. the transmitting touch control plate with finger print identification function is located at a panel surface, has at least one identification of fingerprint zone, it is characterized in that described transmitting touch control plate comprises:
One thin film transistor (TFT) array is the panel surface that is formed at this identification of fingerprint location;
Many signal line are arranged in this thin film transistor (TFT) array, and, be connected to each thin film transistor (TFT);
One printing opacity conductive pattern layer is the top that is formed at this signal wire, and is connected with this thin film transistor (TFT);
One separates patterned layer, is positioned at this panel surface, and around this identification of fingerprint zone;
One electrically conductive elastic rete is positioned at the top of this separation patterned layer, and is subjected to this separation patterned layer and supports to make with this printing opacity conductive pattern layer and be separated from each other;
When this electrically conductive elastic rete pressurized contacts with this printing opacity conductive pattern layer, an electrical signals is to import this thin film transistor (TFT) into, and sees through this signal wire and outwards transmit, and presses the position for induction.
2. the transmitting touch control plate with finger print identification function according to claim 1 is characterized in that: this printing opacity conductive pattern layer is to divide into a plurality of blocks that are separated from each other.
3. the transmitting touch control plate with finger print identification function according to claim 2 is characterized in that: this printing opacity conductive pattern layer is to electrically connect with the source electrode of thin film transistor (TFT).
4. the transmitting touch control plate with finger print identification function according to claim 1 is characterized in that: this signal wire comprises that horizontal sweep trace reaches data line longitudinally.
5. the transmitting touch control plate with finger print identification function according to claim 4 is characterized in that: this printing opacity conductive pattern layer is the top that is formed at sweep trace top, data line top or is positioned at sweep trace and data line simultaneously.
6. the transmitting touch control plate with finger print identification function according to claim 1 is characterized in that: the live width of this printing opacity conductive pattern layer is below the octuple of live width of this signal wire.
7. the transmitting touch control plate with finger print identification function according to claim 1 is characterized in that: this printing opacity conductive pattern layer is made of indium tin oxide.
8. the transmitting touch control plate with finger print identification function according to claim 1 is characterized in that: this electrically conductive elastic rete comprises an elastic insulated substrate and a conductive coating, and this conductive coating is the lower surface that is positioned at this elastic insulated substrate.
9. the transmitting touch control plate with finger print identification function according to claim 8 is characterized in that: this conductive coating is an indium tin oxide layer.
10. the transmitting touch control plate with finger print identification function according to claim 1 is characterized in that: this electrically conductive elastic rete is to extend the whole display surfaces that cover this display panel.
11. the transmitting touch control plate with finger print identification function according to claim 1 is characterized in that: this signal wire is to electrically connect with the grid of membrane transistor and drain electrode respectively.
12. a flat-panel screens has a display panel and a transmitting touch control plate at least, this transmitting touch control plate is the surface that is attached at this display panel, and this transmitting touch control plate has at least one identification of fingerprint zone, it is characterized in that described transmitting touch control plate comprises:
One thin film transistor (TFT) array is the panel surface that is formed at this place, fingerprint viewing area;
Many signal line crisscross in this thin film transistor (TFT) array with checkerboard, and the grid of each thin film transistor (TFT) is connected with this signal wire respectively with drain electrode;
One printing opacity conductive pattern layer is the top that is formed at this signal wire, and is connected with the source electrode of this thin film transistor (TFT);
One separates patterned layer, is positioned at this panel surface, and around this identification of fingerprint zone;
One electrically conductive elastic rete is positioned at the top of this separation patterned layer, and is subjected to this separation patterned layer and supports to make with this printing opacity conductive pattern layer and be separated from each other;
When this electrically conductive elastic rete pressurized contacts with this printing opacity conductive pattern layer, an electrical signals is the electrode that imports this thin film transistor (TFT) into, and sees through this signal wire and outwards transmit, and presses the position for induction.
13. flat-panel screens according to claim 12 is characterized in that: this printing opacity conductive pattern layer is to divide into a plurality of blocks that are separated from each other, and is corresponding respectively and be connected to each thin film transistor (TFT).
14. flat-panel screens according to claim 12 is characterized in that: this signal wire comprises that horizontal sweep trace reaches data line longitudinally.
15. flat-panel screens according to claim 14 is characterized in that: this printing opacity conductive pattern layer is the top that is formed at sweep trace top, data line top or is positioned at sweep trace and data line simultaneously.
16. flat-panel screens according to claim 12 is characterized in that: the live width of this printing opacity conductive pattern layer is below the octuple of live width of this signal wire.
17. flat-panel screens according to claim 12 is characterized in that: this printing opacity conductive pattern layer is made of indium tin oxide.
18. flat-panel screens according to claim 12 is characterized in that: this electrically conductive elastic rete comprises an elastic insulated substrate and a conductive coating, and this conductive coating is the lower surface that is positioned at this elastic insulated substrate.
19. flat-panel screens according to claim 18 is characterized in that: this conductive coating is an indium tin oxide layer.
20. a fingerprint identification system is arranged at the surface of a display panel, it is characterized in that described fingerprint identification system comprises:
One thin film transistor (TFT) array is to be formed at this panel surface;
Many signal line crisscross in this thin film transistor (TFT) array with checkerboard, and the grid of each thin film transistor (TFT) is connected with this signal wire respectively with drain electrode;
One printing opacity conductive pattern layer is the top that is formed at this signal wire, and is connected with the source electrode of this thin film transistor (TFT);
One separates patterned layer, is positioned at this panel surface;
One electrically conductive elastic rete is positioned at the top of this separation patterned layer, and is subjected to this separation patterned layer and supports to make with this printing opacity conductive pattern layer and be separated from each other;
One detecting unit electrically connects this electrically conductive elastic rete and this signal wire respectively, with the detecting fingerprint pattern;
When this electrically conductive elastic rete pressurized contacts with this printing opacity conductive pattern layer, an electrical signals is the electrode that imports this thin film transistor (TFT) into, and sees through this signal wire and be passed to this detecting unit, presses the position for induction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100745858A CN100347653C (en) | 2004-09-07 | 2004-09-07 | Transmitting touch control plate with fingerprint identifying function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100745858A CN100347653C (en) | 2004-09-07 | 2004-09-07 | Transmitting touch control plate with fingerprint identifying function |
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| CN1588432A CN1588432A (en) | 2005-03-02 |
| CN100347653C true CN100347653C (en) | 2007-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2004100745858A Expired - Fee Related CN100347653C (en) | 2004-09-07 | 2004-09-07 | Transmitting touch control plate with fingerprint identifying function |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7800592B2 (en) * | 2005-03-04 | 2010-09-21 | Apple Inc. | Hand held electronic device with multiple touch sensing devices |
| US7808479B1 (en) | 2003-09-02 | 2010-10-05 | Apple Inc. | Ambidextrous mouse |
| US11275405B2 (en) | 2005-03-04 | 2022-03-15 | Apple Inc. | Multi-functional hand-held device |
| US7656393B2 (en) | 2005-03-04 | 2010-02-02 | Apple Inc. | Electronic device having display and surrounding touch sensitive bezel for user interface and control |
| CN101807127B (en) * | 2009-02-17 | 2012-05-30 | 胜华科技股份有限公司 | Touch control type display panel |
| CN101587254B (en) * | 2009-05-19 | 2011-09-14 | 香港应用科技研究院有限公司 | Touch induction liquid crystal display |
| KR20150073539A (en) * | 2013-12-23 | 2015-07-01 | 삼성전자주식회사 | Apparatus and method for sensing a touch input in electronic device |
| CN105528568B (en) * | 2015-06-19 | 2017-07-07 | 宸鸿科技(厦门)有限公司 | Fingeprint distinguisher and its manufacture method |
| CN108334825A (en) * | 2018-01-22 | 2018-07-27 | 上海天马微电子有限公司 | Display panel and display device |
| CN108169943B (en) * | 2018-01-30 | 2020-09-01 | 武汉华星光电技术有限公司 | Liquid crystal display device with a light guide plate |
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|---|---|---|---|---|
| JPH0854985A (en) * | 1994-08-09 | 1996-02-27 | Hitachi Aic Inc | Transparent touch panel |
| JPH09101854A (en) * | 1995-10-06 | 1997-04-15 | Nippon Paint Co Ltd | Transparent touch panel |
| JP2002229737A (en) * | 2001-01-30 | 2002-08-16 | Fujikura Ltd | Transparent touch panel and manufacturing method therefor |
| CN1510479A (en) * | 2002-12-24 | 2004-07-07 | Lg.������Lcd����˾ | Touch board integrating with liquid crystal displaying device |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0854985A (en) * | 1994-08-09 | 1996-02-27 | Hitachi Aic Inc | Transparent touch panel |
| JPH09101854A (en) * | 1995-10-06 | 1997-04-15 | Nippon Paint Co Ltd | Transparent touch panel |
| JP2002229737A (en) * | 2001-01-30 | 2002-08-16 | Fujikura Ltd | Transparent touch panel and manufacturing method therefor |
| CN1510479A (en) * | 2002-12-24 | 2004-07-07 | Lg.������Lcd����˾ | Touch board integrating with liquid crystal displaying device |
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|---|---|
| CN1588432A (en) | 2005-03-02 |
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