CN102221928A - Touch display device, touch panel and manufacturing method thereof - Google Patents
Touch display device, touch panel and manufacturing method thereof Download PDFInfo
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- CN102221928A CN102221928A CN2011101518264A CN201110151826A CN102221928A CN 102221928 A CN102221928 A CN 102221928A CN 2011101518264 A CN2011101518264 A CN 2011101518264A CN 201110151826 A CN201110151826 A CN 201110151826A CN 102221928 A CN102221928 A CN 102221928A
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- touch
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- 239000000758 substrate Substances 0.000 claims abstract description 34
- 230000002093 peripheral effect Effects 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims 1
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- 230000001681 protective effect Effects 0.000 description 5
- 239000002390 adhesive tape Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 239000000969 carrier Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 108010010803 Gelatin Proteins 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
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- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a touch display device, a touch panel and a manufacturing method thereof, wherein the touch panel comprises a transparent substrate, a shading layer and a circuit module. The transparent substrate has a display area and a peripheral area surrounding the display area. The light shielding layer is located in the peripheral region and has a light shielding portion and at least two alignment portions. Each alignment part is connected with the shading part and protrudes towards the display area. The circuit module is arranged on one side of the shading layer.
Description
Technical field
The invention relates to a kind of touch control display apparatus, contact panel with and preparation method thereof, refer to especially a kind of use monolithic glass touch-control scheme (one glass solution, external hanging type touch control display apparatus OGS), contact panel with and preparation method thereof.
Background technology
In all types of consumption electronic products now, portable electronic products such as flat computer, PDA(Personal Digital Assistant), mobile phone (mobile phone), satellite navigation system (GPS) and audio and video player use contact panel (touch panel) widely, as the communication interface of people's machine data, save the volume of electronic product by this.
In the framework of external hanging type touch control display apparatus, contact panel is to separate independent the making with display panel, and contact panel is the surface that is attached to display panel.In traditional external hanging type contact panel, touch control electrode layer is made in earlier on the transparency carrier, and forming a touch-control sensing substrate, and then a protective substrate that will have a light shield layer is attached on the touch-control sensing substrate, with protection touch-control electrode.
Please refer to Fig. 1, Fig. 1 is the diagrammatic cross-section of existing touch-control sensing substrate.As shown in Figure 1, existing touch-control sensing substrate 10 comprises a transparency carrier 12, a touch control electrode layer 14, driving circuit chip 16 and a flexible circuit board 18.Wherein, transparency carrier 12 has a viewing area 12a and an external zones 12b, and the light shield layer of protective substrate is corresponding to external zones 12b, to be used to cover the circuit component of external zones 12b.Touch control electrode layer 14 is located on the transparency carrier 12, and drive circuit chip 16 is located on the touch control electrode layer 14 with flexible circuit board 18, is sent to display panel with the signal that touch control electrode layer 14 is responded to.In existing touch-control sensing substrate 10, the touch control electrode layer 14 that is positioned at external zones 12b is provided with one first pair of bit patterns 20, and orienting the position of weld pad, and the lower surface of drive circuit chip 16 also has one second pair of bit patterns.By this, in with drive circuit chip 16 solid brilliant operations on touch control electrode layer 14, be positioned at the image sensering device 22 of transparency carrier 12 belows and can be in regular turn pick out the position of weld pad and pick out the position of drive circuit chip 1, then drive circuit chip 16 is fixed on the weld pad by second pair of bit patterns by first pair of bit patterns 20.
Lightening along with touch control display apparatus; the existing contact panel that monolithic glass touch-control scheme that develops; it mainly is directly to be made in touch control electrode layer on the protective substrate; to omit the weight of transparency carrier; and then alleviate the weight of contact panel, and can avoid too much reducing the display brightness of touch control display apparatus because of substrate.Yet; light shield layer on the protective substrate is corresponding to drive circuit chip on the touch control electrode layer and flexible circuit board; to be used to cover drive circuit chip and flexible circuit board; and light shield layer also can cover first pair of bit patterns of touch control electrode layer; therefore when crystalline substance is on weld pad admittedly with drive circuit chip; the image sensering device that is positioned at the protective substrate below can't pick out first pair of bit patterns of touch control electrode layer, causes drive circuit chip accurately to be fixed on the weld pad.
Summary of the invention
One of fundamental purpose of the present invention be to provide a kind of touch control display apparatus, contact panel with and preparation method thereof, can't accurately be fixed in problem on the weld pad to solve drive circuit chip.
In order to achieve the above object, the invention provides a kind of contact panel.Contact panel comprises a transparency carrier, a light shield layer and a circuit module.The external zones that transparency carrier has a viewing area and centers on the viewing area.Light shield layer is positioned at external zones, and light shield layer has a light shielding part and at least two contraposition parts, and wherein each contraposition part is connected with light shielding part, and outstanding towards the viewing area.Circuit module is located at a side of light shield layer.
In order to achieve the above object, the invention provides a kind of touch control display apparatus.Touch control display apparatus comprises a display panel and a contact panel.The external zones that display panel has a viewing area and centers on the viewing area.Contact panel is located at a side of display panel, and corresponding display panel setting.Contact panel comprises a transparency carrier, a light shield layer and a circuit module.Light shield layer is positioned at external zones, and light shield layer has a light shielding part and at least two contraposition parts, and wherein each contraposition part is connected with light shielding part, and outstanding towards the viewing area.Circuit module is located between transparency carrier and the display panel.
In order to achieve the above object, the invention provides a kind of method for making of contact panel.At first, provide a circuit module, the walking circuit module is to the top of at least two image sensering devices then, and image sensering device positioning circuit module such as utilization.Then, one touch base plate is provided, touch base plate comprises a transparency carrier and a light shield layer, and the external zones that transparency carrier has a viewing area and centers on the viewing area, wherein light shield layer is positioned at external zones, and have a light shielding part and at least two contraposition parts, and each contraposition part is connected with light shielding part, and outstanding towards the viewing area.Subsequently, mobile touch base plate is between this circuit module and these image sensering devices, and utilizes these image sensering devices to locate this touch base plate.
The present invention can be positioned at touch base plate to orient, and then circuit module accurately can be welded on the touch base plate contraposition part respectively by the image sensering device identification in light shield layer setting at least two contraposition parts of contact panel when the touch base plate of location.
Description of drawings
Fig. 1 is the diagrammatic cross-section of existing touch-control sensing substrate;
Fig. 2 to Fig. 4 is the method for making synoptic diagram of the contact panel of a preferred embodiment of the present invention;
Fig. 5 is for looking synoptic diagram on the contact panel of the present invention's first preferred embodiment;
Fig. 6 is the diagrammatic cross-section of the contact panel of the present invention's second preferred embodiment;
Fig. 7 is the diagrammatic cross-section of the touch control display apparatus of a preferred embodiment of the present invention.
[main element symbol description]
10 touch-control sensing substrates, 12 transparency carriers
12a viewing area 12b external zones
14 touch control electrode layers, 16 drive circuit chips
20 first pairs of bit patterns of 18 flexible circuit boards
22 image sensering devices, 100 contact panels
102 circuit module 102a are to bit patterns
102b first nodal point 104 image sensering devices
106 touch base plates, 108 transparency carriers
110 light shield layer 110a light shielding parts
112 electrode layer 112a weld pads
114 circuit boards, 116 inner side edges
The short inner side edge of the long inner side edge 116b of 116a
118 outer side edges, 120 first directions
122 second directions, 124 long limits
126 minor faces 128 the 3rd central point
200 contact panels, 202 light shield layers
300 touch control display apparatus, 302 display panels
304 transparent adhesive tapes, 306 colored filter substrates
308 array base paltes, 310 liquid crystal layers
Embodiment
Please refer to Fig. 2 to Fig. 4, Fig. 2 to Fig. 4 is the method for making synoptic diagram of the contact panel of a preferred embodiment of the present invention, and wherein Fig. 4 is the diagrammatic cross-section of the contact panel of the present invention's first preferred embodiment.Fig. 2 to Fig. 4 is only for illustrating that its detailed ratio can be adjusted according to the demand of design to be easier to understand the present invention.As shown in Figure 2, provide circuit module 102, and circuit module 102 has at least two couples of bit patterns 102a, be positioned at the lower surface of circuit module 102.And, bit patterns 102a is had first nodal point 102b.Then, the top of walking circuit module 102 at least two image sensering devices 104, make bit patterns 102a in the face of image sensering device 104, and utilize each image sensering device 104 to detect each respectively to bit patterns 102a, to orient first nodal point 102b, the position of orienting circuit module 102 by this to bit patterns 102a.In present embodiment, circuit module 102 is a drive circuit chip, but is not limited thereto.Circuit module of the present invention also can be circuit board.
As shown in Figure 3, then, provide touch base plate 106, wherein touch base plate 106 comprises transparency carrier 108, light shield layer 110 and electrode layer 112, and transparency carrier 108 has viewing area 108a and around the external zones 108b of viewing area 108a.In present embodiment, light shield layer 110 is located on the transparency carrier 108 of external zones 108b, and has light shielding part 110a and at least two contraposition part 110b.Each contraposition part 110b is connected with light shielding part 110a, and outstanding towards viewing area 108a, and contraposition part 110b has the second central point 110c.In addition, electrode layer 112 is located on the light shield layer 110, and electrode layer 112 comprises a plurality of weld pads.Then, mobile touch base plate 106 is between circuit module 102 and the image sensering device 104, make light shield layer 110 between image sensering device 104 and electrode layer 112, utilize each image sensering device 104 to detect each contraposition part 110b respectively then, to orient the second central point 110c of contraposition part 110b, the position of orienting touch base plate 106 by this.At this moment, the second central point 110c of contraposition part 110b is between first nodal point 102b and image sensering device 104 to bit patterns 102a.And owing to each weld pad has been fixed on the light shield layer 110, so the spacing of the second central point 110c of contraposition part 110b and each weld pad is for fixing.By this, when orienting the second central point 110c of contraposition part 110b, can by between the second central point 110c that calculates contraposition part 110b and each weld pad apart from the position of orienting each weld pad, to help circuit module 102 accurately is welded on each weld pad.In addition, light shield layer 110 of the present invention is not limited to be located between electrode layer 112 and the transparency carrier 108, and transparency carrier of the present invention 108 also can be located between electrode layer 112 and the light shield layer 110.
As shown in Figure 4, then, walking circuit module 102 is to the weld pad top, and circuit module 102 is welded on the weld pad of touch base plate 106.Subsequently, circuit board 114 is engaged on the electrode layer 112 of touch base plate 106, makes circuit board 114 be electrically connected to circuit module 102 and electrode layer 114.So far finished the contact panel 100 of present embodiment.It should be noted that because light shield layer 110 has at least two contraposition part 110b, can be respectively by image sensering device 104 identifications, so touch base plate 106 can be by behind the contraposition part 110b that orients light shield layer 110 and be positioned out.By this, when the step of location touch base plate 106, light shield layer 110 can avoid because of alignment mark being arranged on the situation that electrode layer 112 can't detect alignment mark image sensering device 104 between electrode layer 112 and image sensering device 104.
In order to clearly demonstrate the touch panel structure provided of present embodiment, please refer to Fig. 5, and in the lump with reference to figure 4.Fig. 5 is for looking synoptic diagram on the contact panel of the present invention's first preferred embodiment.As Fig. 4 and shown in Figure 5, contact panel 100 comprises transparency carrier 108, light shield layer 110, electrode layer 112, circuit module 102 and circuit board 114, and wherein transparency carrier 108 has viewing area 108a and around the external zones 108b of viewing area 108a.Transparency carrier 108 is the substrates as the circuit component of making contact panel 100, and in order to have good translucent effect, transparency carrier 108 can be made of for example transparent material such as glass or plastics, but is not limited thereto.In present embodiment, light shield layer 110 is located at a side of the transparency carrier 108 of external zones 108b, and circuit module 102 is located at the opposite side of the light shield layer 110 of external zones 108b with respect to transparency carrier 108.Electrode layer 112 is located between the light shield layer 110 and circuit module 102 of external zones 108b, and may extend on the transparency carrier 108 of viewing area 108a, to be used for the contact panel 100 that sensing one object touches viewing area 108b, touches signal and produce one.And circuit module 102 electrically connects electrode layers 112, and circuit board 114 is located on the electrode layer 112, and is electrically connected to circuit module 102, to be used for that the touching signals that electrode layer 112 is sensed is passed to a display panel or a control module.
In addition, the light shielding part 110a of light shield layer 110 is around viewing area 108a, and being used to cover the circuit module 102 that is positioned at external zones 108b, and light shielding part 110a has an inner side edge 116 and an outer side edges 118.In order to make light shielding part 110b cover the display panel of external zones 108b and the circuit component of contact panel 100 effectively, the outer side edges 118 preferable sides with transparency carrier 108 of light shielding part 100b trim mutually.In addition, each contraposition part 110b is connected with the inner side edge 116 of light shielding part 110, to be used to locate the position of light shield layer 110.In other words, each contraposition part 110b is outstanding towards viewing area 108a from the inner side edge 116 of light shielding part 110a, contraposition part 110b can be detected by image sensering device 104 respectively, and see through the position that detects contraposition part 110b, the position of orienting the electrode layer of being located on the light shield layer 110 112.In present embodiment, this two contraposition part 110b arranges along first direction 120, and has the second central point 110c, and first nodal point 102 is positioned on the second direction 122 of vertical first direction 120 with the second central point 110c.But the quantity of contraposition part 110b of the present invention is not limited to two, also can be a plurality ofly, and is one group in twos, and each organizes contraposition part 110b is corresponding to each weld pad 112a.In addition, light shield layer 110 can be made of opaque materials such as for example black photoresistances, but is not limited thereto, and the shape of each contraposition part 110b can be for example geometric configuratioies such as rectangle, triangle, circle or waveform, is beneficial to image sensering device 104 identifications.
In present embodiment, the weld pad 112a of electrode layer 112 arranges along first direction 120, and each weld pad 112a has two long limit 124 and two minor faces 126, and has the 3rd central point 128.Wherein, minor face 126 is parallel to first direction 120, and long limit 124 is parallel to second direction 122, and the long limit 124 that makes each weld pad 112a is perpendicular to first direction 120.But second direction 122 of the present invention is not limited to perpendicular to first direction 120, and minor face of the present invention 126 also is not limited to be parallel to first direction 120, that is the minor face 126 of each weld pad 112a is not limited to be parallel to the orientation of contraposition part 110b.It should be noted that, second central point 110c of present embodiment and the 3rd central point 128 are arranged along second direction 122, make circuit module 102 after the location is to the second central point 110c of the first nodal point 102b of bit patterns 102a and contraposition part 110b only the distance on the mobile second direction 122 of need can be welded on the weld pad 112a, can reduce the error of walking circuit module 102 by this, and then more accurately circuit module 102 is welded on the weld pad 112a.And, owing to be parallel to the long limit 124 of second direction 122 greater than the minor face 126 that is parallel to first direction 120, therefore the width tolerable circuit module 102 of each weld pad 112a on second direction 122 has bigger displacement error, can reduce by this circuit module 102 is welded in fraction defective on the weld pad 112a.In addition, the electrode layer 112 of present embodiment can be made of for example transparent conductive material such as indium zinc oxide or tin indium oxide, but not as limit.The circuit module 102 of present embodiment is a drive circuit chip, and bit patterns 102a is positioned at the surface of circuit module 102 in the face of light shield layer 110, that is the lower surface of circuit module 102, make the image sensering device 104 can be by detecting the position that circuit module 102 is oriented in the position of bit patterns 102a.Circuit module 102 of the present invention is not limited to drive circuit chip, also can be circuit board, is used for the signal that electrode layer 112 is sensed is passed to the external world.In addition, the inner side edge 116 of light shielding part 110a can be divided into long inner side edge 116a that is parallel to first direction 120 and the short inner side edge 116b that is parallel to second direction 122.And, contraposition part 110b is connected in the long inner side edge 116a of light shielding part 110a, and but contraposition part 110b of the present invention is not limited to be connected in long inner side edge 116a, also can be connected in short inner side edge 116b, and arrange along second direction 122, perhaps be located at arbitrary place of the inner side edge 116 of light shielding part 110a.Long inner side edge 116a of the present invention and short inner side edge 116b are not limited to be parallel to respectively first direction 120 and second direction 122, and vice versa.
From the above, because when the step of location touch base plate 106, light shield layer 110 can be between electrode layer 112 and image sensering device 104, make image sensering device 104 can't detect the alignment mark that is arranged on electrode layer 112, therefore the light shield layer 110 of present embodiment contact panel 100 protrudes in light shielding part 110a because of having at least two contraposition part 110b, makes the contraposition part 110b can be respectively by image sensering device 104 identifications.By this, each weld pad 112a can be by behind the contraposition part 110b that orients light shield layer 110 and be positioned out, further circuit module 102 is welded on the weld pad 112a.
Contact panel of the present invention does not exceed with the foregoing description.Hereinafter will continue to disclose other embodiments of the invention or change shape, so for the purpose of simplifying the description and highlight each embodiment or change difference between the shape hereinafter use same numeral mark similar elements, and no longer counterweight again part give unnecessary details.
Please refer to Fig. 6, Fig. 6 is the diagrammatic cross-section of the contact panel of the present invention's second preferred embodiment.As shown in Figure 6, compared to first embodiment, the light shield layer 202 of the contact panel 200 of present embodiment is located at the opposite side of the transparency carrier 108 of external zones 108b with respect to circuit module 102, make transparency carrier 108 between light shield layer 202 and circuit module 102, and electrode layer 112 directly contact with transparency carrier 108.
According to the contact panel of the foregoing description, the invention provides a kind of touch control display apparatus.Please refer to Fig. 7, Fig. 7 is the diagrammatic cross-section of the touch control display apparatus of a preferred embodiment of the present invention.As shown in Figure 7, touch control display apparatus 300 comprises display panel 302, contact panel 100 and transparent adhesive tape 304.The external zones 302b that display panel 302 has viewing area 302a and centers on viewing area 302a, and the viewing area 302a of display panel 302 is corresponding to the viewing area 108a of contact panel 100, and the external zones 302b of display panel 302 is corresponding to the external zones 108b of contact panel 100, make the light shield layer 110 of contact panel 100 can cover the peripheral circuit of display panel 302, and the circuit component that display panel 302 shown pictures can not be subjected to contact panel 100 cover.Wherein display panel 302 comprises colored filter substrate 306, array base palte 308 and liquid crystal layer 310, and colored filter substrate 306 is oppositely arranged with array base palte 308, and liquid crystal layer 310 is located between colored filter substrate 306 and the array base palte 308.Contact panel 100 is located at a side of display panel 302; and corresponding display panel 302 is provided with; wherein the light shield layer 110 of contact panel 100, electrode layer 112, circuit module 102 and circuit board 114 are located between transparency carrier 108 and the display panel 302, make transparency carrier 108 can be used as the substrate of light shield layer 110, electrode layer 112, circuit module 102 and the circuit board 114 of protection contact panel 100.And transparent adhesive tape 304 is located between contact panel 100 and the display panel 302, in order to combination of touch control panel 100 and display panel 302.Transparent adhesive tape 304 can be the optical lens gelatin, and (optical clear adhesive OCA), is affected to avoid display panel 302 shown picture brightness, but is not limited thereto.In addition, the contact panel of touch control display apparatus of the present invention is not limited to the contact panel 100 of above-mentioned first embodiment, also can be the contact panel 200 of above-mentioned second embodiment.
In sum, the present invention is in light shield layer setting at least two contraposition parts of contact panel, make the contraposition part can be during touch base plate respectively by the image sensering device identification in the location, and then orient and be positioned at light shield layer each weld pad with respect to the opposite side of image sensering device, further circuit module accurately is welded on the weld pad.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; 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 (15)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW100109412A TWI452386B (en) | 2011-03-18 | 2011-03-18 | Touch display device, touch panel and manufacturing method thereof |
| TW100109412 | 2011-03-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102221928A true CN102221928A (en) | 2011-10-19 |
| CN102221928B CN102221928B (en) | 2013-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110151826 Expired - Fee Related CN102221928B (en) | 2011-03-18 | 2011-05-30 | Touch display device, touch panel and manufacturing method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102221928B (en) |
| TW (1) | TWI452386B (en) |
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| CN102681726A (en) * | 2012-02-29 | 2012-09-19 | 友达光电股份有限公司 | Touch panel, touch display and assembling method thereof |
| CN103064572A (en) * | 2012-12-31 | 2013-04-24 | 深圳莱宝高科技股份有限公司 | Touch display panel and manufacturing method thereof |
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| CN104345946A (en) * | 2013-08-06 | 2015-02-11 | 群创光电股份有限公司 | Touch display device and alignment method thereof |
| TWI476459B (en) * | 2012-05-03 | 2015-03-11 | Innocom Tech Shenzhen Co Ltd | A color filter substrate, and a touch screen display device |
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| CN103064572A (en) * | 2012-12-31 | 2013-04-24 | 深圳莱宝高科技股份有限公司 | Touch display panel and manufacturing method thereof |
| CN104345946A (en) * | 2013-08-06 | 2015-02-11 | 群创光电股份有限公司 | Touch display device and alignment method thereof |
| CN104345946B (en) * | 2013-08-06 | 2017-08-29 | 群创光电股份有限公司 | Touch display device and alignment method thereof |
| CN107256102A (en) * | 2013-08-06 | 2017-10-17 | 群创光电股份有限公司 | Touch control display device |
| CN104423666A (en) * | 2013-08-30 | 2015-03-18 | 宸鸿科技(厦门)有限公司 | Touch panel |
| CN111489656A (en) * | 2020-04-26 | 2020-08-04 | 上海天马微电子有限公司 | Display device alignment method and display device |
| CN111489656B (en) * | 2020-04-26 | 2022-07-05 | 上海天马微电子有限公司 | Display device alignment method and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI452386B (en) | 2014-09-11 |
| TW201239464A (en) | 2012-10-01 |
| CN102221928B (en) | 2013-01-30 |
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