CN102622117A - Display device, parallax barrier touch panel and manufacturing method thereof - Google Patents
Display device, parallax barrier touch panel and manufacturing method thereof Download PDFInfo
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- CN102622117A CN102622117A CN201110034032XA CN201110034032A CN102622117A CN 102622117 A CN102622117 A CN 102622117A CN 201110034032X A CN201110034032X A CN 201110034032XA CN 201110034032 A CN201110034032 A CN 201110034032A CN 102622117 A CN102622117 A CN 102622117A
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Abstract
The invention provides a display device, a parallax barrier touch panel and a manufacturing method thereof. The display device comprises a display panel and a parallax barrier touch panel. The manufacturing method of the parallax barrier touch panel comprises the following steps of: forming a first sensing electrode layer on a first substrate; forming an insulating layer on the first sensing electrode layer; forming a second sensing electrode layer on the insulating layer; forming a barrier layer electrode layer on a second substrate; and forming a liquid crystal layer between the second sensing electrode layer and the barrier layer electrode layer. In the invention, the thickness and the weight of the display device can be reduced.
Description
Technical field
The present invention relates to a kind of display device, disparity barrier Trackpad and manufacturing approach thereof, particularly relate to a kind of have touch controllable function and solid (three-dimensional, 3D) display device of image Presentation Function, disparity barrier Trackpad and manufacturing approach thereof.
Background technology
At present, display device can have multiple function simultaneously, for example Presentation Function, touch controllable function and solid (Three-Dimensional, 3D) image Presentation Function.Generally, this multi-functional display device need increase the additional functionality panel and reach different functions property, for example need set up contact panel or disparity barrier (Parallax Barrier) panel and reach touch controllable function and 3D image Presentation Function.
For example, when general LCD had Presentation Function, touch controllable function and 3D image Presentation Function simultaneously, this display need be provided with display panels, contact panel and disparity barrier panel.
Yet at this moment, above-mentioned multi-functional LCD need use 6 sheet glass substrates, and needs three times applying step to advance assembling.Therefore, existing multifunction display structure increases overall weight, built-up time and manpower easily.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of disparity barrier Trackpad, and said disparity barrier Trackpad comprises:
First substrate;
The first sensing electrode layer is formed on said first substrate;
Insulation course is formed on the said first sensing electrode layer;
The second sensing electrode layer is formed on the said insulation course;
Second substrate;
The barrier layer electrode layer is formed on said second substrate; And
Liquid crystal layer is formed between said second sensing electrode layer and the said barrier layer electrode layer.
Another object of the present invention is to provide a kind of display device, said display device comprises:
Display panel; And
The disparity barrier Trackpad comprises:
First substrate;
The first sensing electrode layer is formed on said first substrate;
Insulation course is formed on the said first sensing electrode layer;
The second sensing electrode layer is formed on the said insulation course;
Second substrate;
The barrier layer electrode layer is formed on said second substrate; And
Liquid crystal layer is formed between said second sensing electrode layer and the said barrier layer electrode layer.
Another purpose of the present invention is to provide a kind of manufacturing approach of disparity barrier Trackpad, and said manufacturing approach comprises the steps:
Form the first sensing electrode layer on first substrate;
Form insulation course on the said first sensing electrode layer;
Form the second sensing electrode layer on said insulation course;
Form the barrier layer electrode layer on second substrate; And
Form liquid crystal layer between said second sensing electrode layer and said barrier layer electrode layer.
In one embodiment of this invention, the said second sensing electrode layer comprises a plurality of second sensor pads.
In one embodiment of this invention, the said second sensing electrode layer is a community electrode, and it is coupled to a common voltage.
In one embodiment of this invention, said first sensing electrode layer and the said second sensing electrode layer are to form a projected capacitive sense line.
In one embodiment of this invention, said first sensing electrode layer and the said second sensing electrode layer are to form a resistance-type sense line.
In one embodiment of this invention, said barrier electrode layer comprises a plurality of disparity barrier electrodes, and it is periodically arranged, and the spacing between the per two adjacent said disparity barrier electrodes is less than or equal to 300 μ m.
In one embodiment of this invention, the said second sensing electrode layer has a plurality of sensor pads, and the gap between the per two adjacent said sensor pads is to be less than or equal to 50 μ m, and the width of each said sensor pad is less than or equal to 10mm.
In one embodiment of this invention, said disparity barrier Trackpad is to utilize optical cement to be combined on the said display panel.
In one embodiment of this invention, said display device also comprises protective sheet, and it is arranged on the said disparity barrier Trackpad.
The disparity barrier Trackpad of display device of the present invention can be integrated touch controllable function and 2D/3D image Presentation Function simultaneously; Thereby can reduce the use of glass substrate; To reduce overall weight, thickness and the cost of display device; And can reduce the simplification number of assembling steps, to reduce the built-up time and the manpower of display device.
For letting the foregoing of the present invention can be more obviously understandable, hereinafter is special lifts preferred embodiment, and cooperates appended graphicly, elaborates as follows.
Description of drawings
Fig. 1 shows the synoptic diagram according to the display device of one embodiment of the invention.
Fig. 2 shows the cut-away section synoptic diagram according to the disparity barrier Trackpad of one embodiment of the invention.
Fig. 3 A shows the synoptic diagram according to the first sensing electrode layer of one embodiment of the invention.
Fig. 3 B shows the synoptic diagram according to the second sensing electrode layer of one embodiment of the invention.
Fig. 3 C shows the synoptic diagram according to first and second sensing electrode layer of one embodiment of the invention.
Fig. 4 shows the synoptic diagram according to the barrier electrode layer of one embodiment of the invention.
Fig. 5 shows the process flow diagram according to the manufacturing approach of the disparity barrier Trackpad of one embodiment of the invention.
Embodiment
Please with reference to Fig. 1, it shows the synoptic diagram according to the display device of one embodiment of the invention.The display device 100 of present embodiment can have touch controllable function and 3D image Presentation Function simultaneously, but that is the touching of display device 100 sensing fingers or object come corresponding output signal, and can show the 3D image.This display device 100 comprises display panel 110 and disparity barrier Trackpad 120, and this disparity barrier Trackpad 120 can be arranged on the display panel 110, in order to form the touching of 3D image effect and sensing finger or object.
As shown in Figure 1; This display panel 110 can for example show (Field Emission Display) panel for liquid crystal display (LCD) panel, Organic Light Emitting Diode show (OLED) panel, plasma panel (PDP) or field-causing electron emission; In order to display plane (two-dimensional, 2D) image.In the present embodiment, display panel 110 for example is the LCD panel, and at this moment, display device 100 can more comprise backlight module 130, in order to provide backlight to display panel 110 (LCD panel).
Please see figures.1.and.2, Fig. 2 shows the cut-away section synoptic diagram according to the disparity barrier Trackpad of one embodiment of the invention.The disparity barrier Trackpad 120 of present embodiment comprises first substrate 121, second substrate 122, the first sensing electrode layer 123, insulation course 124, the second sensing electrode layer 125, barrier electrode layer 126, liquid crystal layer 127, bay unit (Spacer) 128 and frame glue (sealant) 129.The first sensing electrode layer 123, insulation course 124 and the second sensing electrode layer 125 are to be formed in order on first substrate 121; Barrier electrode layer 126 is to be formed on second substrate 122, and liquid crystal layer 127 is sealed between first substrate 121 and second substrate 122 by frame glue 129.Bay unit 128 is to be arranged between first substrate 121 and second substrate 122, and in order to adjustment gap (Gap) between the two, the material of bay unit 128 for example is: silicon, macromolecular material or photoresist, it can for example spherical in shape or cylindricality.
As shown in Figure 2; First substrate 121 and second substrate 1221 of present embodiment can be glass substrate or pliability transparency carrier, its material can be glass, polycarbonate (Polycarbonate, PC), polyester (Polythylene terephthalate; PET), polymethylmethacrylate (Polymethylmethacrylate; PMMA), the cycloolefin co-polymer (Cyclic Olefin Copolymer, COC) or polyethersulfone (Polyether sulfone, PES).In the present embodiment; Second substrate 122 is between first substrate 121 and display panel 110; And first substrate 121 is to be positioned at the opposite side of second substrate 122 with respect to display panel; First substrate 121 can preferably have high strength, to protect disparity barrier Trackpad 120 and display panel 110 to avoid external injury as the protection substrate.
In one embodiment, display device 100 can more comprise protective sheet (not illustrating), and it is arranged on the disparity barrier Trackpad 120, in order to further protection disparity barrier Trackpad 120.The material of this protective sheet is preferably has high-intensity glass or plastic material, and its for example optical cement capable of using is combined on the disparity barrier Trackpad 120.
Please with reference to Fig. 2 to Fig. 3 C; Fig. 3 A shows the synoptic diagram according to the first sensing electrode layer of one embodiment of the invention; Fig. 3 B shows the synoptic diagram according to the second sensing electrode layer of one embodiment of the invention, and Fig. 3 C shows the synoptic diagram according to first and second sensing electrode layer of one embodiment of the invention.The first sensing electrode layer 123 of present embodiment and the second sensing electrode layer 125 can form for example projected capacitive sensing circuit (projected capacitive sensing circuit), in order to the touching of sensing finger or object or move.The first sensing electrode layer 123 and the second sensing electrode layer 125 are made with transparent conductive material, for example ITO, IZO, AZO, ATO, GZO, TCO, ZnO or gather enedioxy thiophene (PEDOT).The first sensing electrode layer 123 can have a plurality of first sensor pads 101; The second sensing electrode layer 125 can have a plurality of second sensor pads 102; First sensor pad 101 and second sensor pad 102 are difference arranged; In order to the touching of object sensing or move, wherein sensor pad 101 and 102 shape can be rhombus or polygon.Insulation course 124 is made with transparent insulation material; It is formed between the first sensing electrode layer 123 and the second sensing electrode layer 125; In order to the sensor pad on the electrical isolation different directions 101,102; But for example make sensor pad 101 electrical isolation on first direction in the sensor pad 102 on second direction (second direction is to be different from first direction, for example perpendicular to first direction).Wherein, Second sensor pad 102 of the second sensing electrode layer 125 preferably is disposed on the insulation course 124 thick and fast; Gap between the per two adjacent sensor pads 102 is to be less than or equal to 50 μ m (for example 25 μ m), the reducible 10mm (for example 5mm) that is less than or equal to of the width of each sensor pad 102.
In the present embodiment, but the touching of the first sensing electrode layer 123 and the second sensing electrode layer, 125 object sensing or mobile, and transmit sensing signal.This sensing signal can be sent to the circuit board 103 on second substrate 122, for example flexible printed wiring board (Flexible Printed Circuits, FPC).
In one embodiment, the first sensing electrode layer 123 and the second sensing electrode layer 125 also can form for example resistance-type sensing circuit (resistive sensing circuit).At this moment, the insulation course 124 between the first sensing electrode layer 123 and the second sensing electrode layer 125 can comprise a plurality of distance pieces (not illustrating), with spaced-apart electrodes layer 123 and 125.
Please with reference to Fig. 2 and Fig. 4, Fig. 4 shows the synoptic diagram according to the barrier electrode layer of one embodiment of the invention.The barrier electrode layer 126 of present embodiment is to be formed on second substrate 122, comes shield lights in order to optionally to form disparity barrier, and can form the 3D image effect.Barrier electrode layer 126 is made with transparent conductive material, for example ITO, IZO, AZO, ATO, GZO, TCO, ZnO or PEDOT.Barrier electrode layer 126 can comprise a plurality of disparity barrier electrodes 104, in order to optionally to form the 3D image effect.These a little disparity barrier electrodes 104 are preferably periodically arranged; And has a preset spacing between the per two adjacent disparity barrier electrodes 104; Its reducible 300 μ m (for example 100 μ m) that are less than or equal to, the also reducible 300 μ m (for example 100 μ m) that are less than or equal to of the width of each disparity barrier electrode 104.
Because the width (about 5mm) of the sensor pad 102 of the second sensing electrode layer 125 is width and spacing (about 100 μ m) much larger than the disparity barrier electrode 104 of barrier electrode layer 126; And the gap between the sensor pad 102 is less relatively; Therefore; Disparity barrier electrode 104, the second sensing electrode layers 125 with respect to barrier electrode layer 126 can be considered community electrode, and it can be coupled to a common voltage.Therefore, when voltage is applied in the second sensing electrode layer 125 and barrier electrode layer 126, can form electric field, carry out deflection with the liquid crystal molecule of selective control liquid crystal layer 127 in electrode layer 125, between 126.By reversing of the liquid crystal molecule of liquid crystal layer 127, disparity barrier Trackpad 120 can allow light to pass through or interdicted between the second sensing electrode layer 125 and disparity barrier electrode 104.When light passed through liquid crystal layer 127 fully, the user can directly see the 2D image of display panel 110.When light was interdicted by the liquid crystal molecule between the second sensing electrode layer 125 and the disparity barrier electrode 104, the grating (Barrier) that can form setting at interval was between the second sensing electrode layer 125 and disparity barrier electrode 104.At this moment, user's eyes can be seen the pixel on the diverse location of display panel 110 respectively, thereby can form the visual effect of 3D image.Therefore, by by the liquid crystal molecule between the second sensing electrode layer 125 and the disparity barrier electrode 104, disparity barrier Trackpad 120 optionally switches to the visual effect of 2D or 3D image.
Please with reference to Fig. 5, it shows the process flow diagram according to the manufacturing approach of the disparity barrier Trackpad of one embodiment of the invention.When making the disparity barrier Trackpad 120 of present embodiment, at first, form the first sensing electrode layer 123 on first substrate 121 (step S201); Then; Form insulation course 124 on the first sensing electrode layer 123 (step S202), then, form the second sensing electrode layer 125 (step S203) on insulation course 124; Then; Form barrier layer electrode layer 126 on second substrate 122 (step S204), then, form liquid crystal layer 127 between the second sensing electrode layer 125 and barrier layer electrode layer 126 (step S205).When being formed at liquid crystal layer 127 between electrode layer 125 and 126 time; Mode (one drop filling under liquid crystal injection mode capable of using (vacuum injection method) or the liquid crystal drop; ODF) form liquid crystal layer 127 between electrode layer 125 and 126; And salable, thereby form this disparity barrier Trackpad 120 in frame glue 129.When assembling the display device 100 of present embodiment; Disparity barrier Trackpad 120 for example optical cements 140 capable of using are combined on the display panel 110; With the touching of sensing finger or object or move, and optionally form disparity barrier and produce the stereopsis effect.
Therefore, the display device 100 of present embodiment can utilize this disparity barrier Trackpad 120 to reach touch controllable function and 3D image Presentation Function simultaneously.When display device 100 is carried out touch controllable function; Finger or object can be touched on first substrate 121 of disparity barrier Trackpad 120; And come the touching of sensing finger or object or move by sensing electrode layer 123 and 125 formed sensing circuits, to reach the touch-control effect.When display device 100 is optionally carried out 3D image Presentation Function; Utilize the second sensing electrode layer 125 and barrier electrode layer 126 formed disparity barriers; User's eyes can be watched different images respectively, have the stereopsis effect of depth perception and form.
Embodiment by the invention described above can know that display device of the present invention disparity barrier Trackpad capable of using reaches simultaneously touch controllable function and 3D image Presentation Function.Because the disparity barrier Trackpad of the display device of present embodiment can be integrated touch controllable function and 2D/3D image Presentation Function simultaneously, thereby display device can reduce the use of glass substrate, to reduce overall weight, thickness and the cost of display device.And the disparity barrier Trackpad of present embodiment can reduce the simplification number of assembling steps, to reduce the built-up time and the manpower of display device.
In sum; Though the present invention discloses as above with preferred embodiment; But above-mentioned preferred embodiment is not that those of ordinary skill in the art is not breaking away from the spirit and scope of the present invention in order to restriction the present invention; All can do various changes and retouching, so protection scope of the present invention is as the criterion with the scope that claim defines.
Claims (11)
1. disparity barrier Trackpad, it is characterized in that: said disparity barrier Trackpad comprises:
First substrate;
The first sensing electrode layer is formed on said first substrate;
Insulation course is formed on the said first sensing electrode layer;
The second sensing electrode layer is formed on the said insulation course;
Second substrate;
The barrier layer electrode layer is formed on said second substrate; And
Liquid crystal layer is formed between said second sensing electrode layer and the said barrier layer electrode layer.
2. disparity barrier Trackpad according to claim 1 is characterized in that: the said second sensing electrode layer comprises a plurality of second sensor pads.
3. disparity barrier Trackpad according to claim 1 is characterized in that: the said second sensing electrode layer is a community electrode, and it is coupled to a common voltage.
4. disparity barrier Trackpad according to claim 1 is characterized in that: said first sensing electrode layer and the said second sensing electrode layer are to form a projected capacitive sense line.
5. disparity barrier Trackpad according to claim 1 is characterized in that: said first sensing electrode layer and the said second sensing electrode layer are to form a resistance-type sense line.
6. disparity barrier Trackpad according to claim 4 is characterized in that: said barrier electrode layer comprises a plurality of disparity barrier electrodes, and it is periodically arranged, and the spacing between the per two adjacent said disparity barrier electrodes is less than or equal to 300 μ m.
7. disparity barrier Trackpad according to claim 1; It is characterized in that: the said second sensing electrode layer has a plurality of sensor pads; Gap between the per two adjacent said sensor pads is to be less than or equal to 50 μ m, and the width of each said sensor pad is less than or equal to 10mm.
8. display device, it is characterized in that: said display device comprises:
Display panel; And
The disparity barrier Trackpad comprises:
First substrate;
The first sensing electrode layer is formed on said first substrate;
Insulation course is formed on the said first sensing electrode layer;
The second sensing electrode layer is formed on the said insulation course;
Second substrate;
The barrier layer electrode layer is formed on said second substrate; And
Liquid crystal layer is formed between said second sensing electrode layer and the said barrier layer electrode layer.
9. display device according to claim 8 is characterized in that: said disparity barrier Trackpad is to utilize optical cement to be combined on the said display panel.
10. display device according to claim 8 is characterized in that: also comprise protective sheet, it is arranged on the said disparity barrier Trackpad.
11. the manufacturing approach of a disparity barrier Trackpad is characterized in that: said manufacturing approach comprises the steps:
Form the first sensing electrode layer on first substrate;
Form insulation course on the said first sensing electrode layer;
Form the second sensing electrode layer on said insulation course;
Form the barrier layer electrode layer on second substrate; And
Form liquid crystal layer between said second sensing electrode layer and said barrier layer electrode layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110034032XA CN102622117A (en) | 2011-02-01 | 2011-02-01 | Display device, parallax barrier touch panel and manufacturing method thereof |
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| CN201110034032XA CN102622117A (en) | 2011-02-01 | 2011-02-01 | Display device, parallax barrier touch panel and manufacturing method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103235659A (en) * | 2013-04-12 | 2013-08-07 | 京东方科技集团股份有限公司 | Touch panel and manufacturing method and display device thereof |
| CN103576324A (en) * | 2012-08-10 | 2014-02-12 | 联胜（中国）科技有限公司 | Touch control stereo display device |
| WO2016086591A1 (en) * | 2014-12-03 | 2016-06-09 | 京东方科技集团股份有限公司 | Display panel and display device |
| TWI575436B (en) * | 2016-03-22 | 2017-03-21 | 友達光電股份有限公司 | Touch sensing display apparatus and method for fabricating the same |
| CN106707527A (en) * | 2015-07-27 | 2017-05-24 | 南京瀚宇彩欣科技有限责任公司 | Touch type stereoscopic display device and manufacturing method thereof |
| CN106778122A (en) * | 2016-11-23 | 2017-05-31 | 北京小米移动软件有限公司 | Display methods and device, electronic equipment |
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| CN101821704A (en) * | 2007-11-29 | 2010-09-01 | 夏普株式会社 | Display device |
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| CN101218534A (en) * | 2005-07-11 | 2008-07-09 | 夏普株式会社 | Display device |
| CN101821704A (en) * | 2007-11-29 | 2010-09-01 | 夏普株式会社 | Display device |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103576324A (en) * | 2012-08-10 | 2014-02-12 | 联胜（中国）科技有限公司 | Touch control stereo display device |
| CN103235659A (en) * | 2013-04-12 | 2013-08-07 | 京东方科技集团股份有限公司 | Touch panel and manufacturing method and display device thereof |
| US9626017B2 (en) | 2013-04-12 | 2017-04-18 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Touch panel and manufacturing method thereof, display device |
| CN103235659B (en) * | 2013-04-12 | 2018-06-05 | 京东方科技集团股份有限公司 | A kind of touch panel and preparation method thereof, display device |
| WO2016086591A1 (en) * | 2014-12-03 | 2016-06-09 | 京东方科技集团股份有限公司 | Display panel and display device |
| US9895860B2 (en) | 2014-12-03 | 2018-02-20 | Boe Technology Group Co., Ltd. | Display panel and display device |
| CN106707527A (en) * | 2015-07-27 | 2017-05-24 | 南京瀚宇彩欣科技有限责任公司 | Touch type stereoscopic display device and manufacturing method thereof |
| TWI575436B (en) * | 2016-03-22 | 2017-03-21 | 友達光電股份有限公司 | Touch sensing display apparatus and method for fabricating the same |
| CN106778122A (en) * | 2016-11-23 | 2017-05-31 | 北京小米移动软件有限公司 | Display methods and device, electronic equipment |
| CN106778122B (en) * | 2016-11-23 | 2020-06-02 | 北京小米移动软件有限公司 | Display method and device and electronic equipment |
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Application publication date: 20120801 |