CN108829295A - Touch panel - Google Patents
Touch panel Download PDFInfo
- Publication number
- CN108829295A CN108829295A CN201810601812.XA CN201810601812A CN108829295A CN 108829295 A CN108829295 A CN 108829295A CN 201810601812 A CN201810601812 A CN 201810601812A CN 108829295 A CN108829295 A CN 108829295A
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- CN
- China
- Prior art keywords
- layer
- transparent
- touch panel
- transparent electrode
- those
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04104—Multi-touch detection in digitiser, i.e. details about the simultaneous detection of a plurality of touching locations, e.g. multiple fingers or pen and finger
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04113—Peripheral electrode pattern in resistive digitisers, i.e. electrodes at the periphery of the resistive sheet are shaped in patterns enhancing linearity of induced field
Abstract
System of the present invention discloses a kind of touch panel, includes a transparent substrate, a pixel control layer, a transparent protective layer and a rotatory polarization layer.Pixel control layer is set on transparent substrate, and the top of pixel control layer has plural groove.Transparent protective layer is set in pixel control layer, and fills up groove, and the top surface of transparent protective layer is flat surface.Rotatory polarization layer is set on the flat surface of transparent protective layer.The present invention fills up the groove of pixel control layer using transparent protective layer, to promote rotatory polarization effect.
Description
Technical field
The present disclosure generally relates to a kind of touch panels, and promote the touching of rotatory polarization efficiency in a manner of planarizing especially in regard to one kind
Control panel.
Background technique
In recent years, touch panel (Touch Panel) has been widely used into all kinds of electronic products, such as：
Global positioning system (GPS), personal digital assistant (PDA), mobile phone (cellular phone) and palm PC (Hand-
Held PC) etc., to replace the input equipment of tradition (such as：Keyboard and mouse etc.).Substantially changing in this design, not only mentions
The man-machine interface compatibility for having risen the grade electronic devices, more vacates more spaces because conventional input device is omitted, for installation
Larger sized display panel facilitates user to browse data.In existing touch panel, because of mono-layer oxidized indium tin (SITO)
Structure on there is the transparent photoresist of plural number to form plural groove, lead to structure offset, and then influence display effect.
Therefore, the present invention is tied up to for above-mentioned puzzlement, proposes a kind of touch panel, with solve it is known caused by ask
Topic.
Summary of the invention
The main object of the present invention is to provide a kind of touch panel, is to fill up touch-control sensing using transparent protective layer
The groove of layer, to promote rotatory polarization effect.
In order to achieve the above object, the present invention provides a kind of touch panel, be comprising a transparent substrate, a pixel control layer,
One transparent protective layer and a rotatory polarization layer.For example, the material of transparent substrate is polyethylene terephthalate (PET), nothing
Machine clear polyimides (CPI), glass, cyclic olefin polymer (COP), polyvinylidene chloride (HPVDF), cyclic block copolymer
(CBC) or polycarbonate (PC), transparent protective layer is polymer resin layer or acryl coating layer, transparent protective layer with a thickness of
3-8 microns.Pixel control layer is set on transparent substrate, and the top of pixel control layer has plural groove.Transparent protective layer is set to
In pixel control layer, and groove is filled up, the top surface of transparent protective layer is flat surface.Rotatory polarization layer is set to the flat of transparent protective layer
On face.
In one of present invention embodiment, rotatory polarization layer further includes a quarter wavelength plate and a line polarisation layer, four/
One wave plate is set on the flat surface of transparent protective layer, and line polarisation layer is set in quarter wavelength plate.For example, quarter-wave
Plate with a thickness of 1-3 microns (μm), line polarisation layer with a thickness of 1-3 microns.
In one of present invention embodiment, it is exhausted that pixel control layer further includes plural transparent electrode block, a patterned transparent
Edge layer and a transparent electrode layer.For example, transparent electrode block is the metal grill (metal mesh) or nanometer of copper or silver
Silver wire (AgNWs), the material of transparent electrode block can be tin indium oxide (ITO), poly- (3,4- ethylenedioxythiophene) (PEDOT)
Or carbon nanotubes (CNT), the material of patterned transparent insulating layer are transparent photoresist.Transparent electrode block is set on transparent substrate,
And it is separated by.Patterned transparent insulating layer is set on transparent electrode block, and fills up the gap between transparent electrode block, is schemed
Case transparent insulating layer has the plural number pothole through itself, to expose transparent electrode block respectively.Transparent electrode layer is set to figure
On case transparent insulating layer, and via pothole covering transparent electrode block, the top surface of the transparent electrode layer in pothole has
Groove, transparent protective layer are set on transparent electrode layer.
Hereby to make your juror to structure feature of the invention and the effect of being reached more has and further understand and recognize
Know, careful assistant is illustrated as after with an implementation example figure and cooperation detailed description：
Detailed description of the invention
Fig. 1 is the structure sectional view of one of the touch panel of present invention embodiment.
Fig. 2 is the structure sectional view of one of the touch control display device of present invention embodiment.
Appended drawing reference：
36 transparent substrate, 38 pixel control layer
40 transparent protective layer, 41 rotatory polarization layer
42 quarter wavelength plate, 44 line polarisation layer
46 groove, 48 transparent electrode block
50 patterned transparent insulating layer, 52 transparent electrode layer
54 gap, 56 pothole
58 illuminating module, 60 optical adhesive layer
62 optical adhesive layer, 64 light shield layer
66 glass cover-plates
Specific embodiment
Embodiments of the present invention will be by hereafter cooperating correlative type further to be explained.As far as possible, in schema with
In specification, identical label system represents same or similar component.In schema, based on simplification and facilitate mark, shape and thickness
It may be by exaggerating expression.It is understood that it is not expressly shown in schema or the element that is described in specification, it is affiliated
With the form that usual operator is known in technical field.The usual operator of this field can content according to the present invention and carry out
A variety of changes and modification.
Below referring to Fig. 1, to introduce the touch panel of the present invention.Touch panel includes a transparent substrate 36, a touch-control
Sensed layer 38, a transparent protective layer 40 and a rotatory polarization layer 41.Pixel control layer 38 can be multi-point touch control sensed layer.Citing comes
It says, birefringence material may be selected in transparent substrate 36, i.e. deceleration (Re, Retardation) is greater than 5 material, when incidence
When polarised light generates orthogonal two beams tool dephased polarisation, this phase difference system is defined as Re.This birefringence material
For polyethylene terephthalate (PET) or inorganic transparent polyimides (CPI).In addition, transparent substrate 36 also may be selected it is unparalleled
Index materials, i.e., Re is less than 5.This rate material free of birefringence is glass, cyclic olefin polymer (COP), polyvinylidene chloride
(HPVDF), cyclic block copolymer (CBC) or polycarbonate (PC).Transparent protective layer 40 is polymer resin layer or acryl
Coating layer, polymer resin layer can be eurymeric photoresist or minus photoresist.The thickness h of transparent protective layer 40 is 3-8 microns, penetrance
Greater than 80%, surface tension is greater than 40 dynes (dyne), and contact angle is less than 40 degree.Pixel control layer 38 is set to transparent substrate 36
On, the top of pixel control layer 38 has plural groove 46.Transparent protective layer 40 is set in pixel control layer 38, and fills up groove
46, the top surface of transparent protective layer 40 is flat surface.Rotatory polarization layer 41 is set on the flat surface of transparent protective layer 40.Rotatory polarization layer 41
Further include a quarter wavelength plate 42 and a line polarisation layer 44.Quarter wavelength plate 42 with a thickness of 1-3 microns (μm), four/
One wave plate 42 is coated with by rotation optically active polymer.Line polarisation layer 44 with a thickness of 1-3 microns, line polarisation layer 44 is that liquid crystal applies
Cloth constitutes grating.The polarizing angle of quarter wavelength plate 42 and line polarisation layer 44 is 45 degree, and inclined brightness is worn up to 80%~99.5%
Saturating rate is 33%~45%.Quarter wavelength plate 42 is set on the flat surface of transparent protective layer 40, and line polarisation layer 44 is set to four points
One of on wave plate 42.Since the thickness of quarter wavelength plate 42 and line polarisation layer 44 is all uniform, and it is arranged in transparent protective layer
On 40 flat surface, therefore the top surface of the line polarisation layer 44 of top layer is also flat surface, and rotatory polarization efficiency thereby can be improved.
Pixel control layer 38 further includes plural transparent electrode block 48, a patterned transparent insulating layer 50 and a transparent electrode
Layer 52.For example, transparent electrode block 48 can be copper or the metal grill (metal mesh) or nano-silver thread of silver
(AgNWs), alternatively, the material of transparent electrode block 48 can be tin indium oxide (ITO), poly- (3,4- ethylenedioxythiophene)
(PEDOT) or carbon nanotubes (CNT), the material of patterned transparent insulating layer 50 are transparent photoresist.Transparent electrode block 48 is set to
On transparent substrate 36, and it is separated by.Patterned transparent insulating layer 50 is set on transparent electrode block 48, and fills up transparent electrode
Gap 54 between block 48, patterned transparent insulating layer 50 has the plural number pothole 56 through itself, transparent to expose respectively
Electrode block 48.Transparent electrode layer 52 is set on patterned transparent insulating layer 50, and via 56 covering transparent electrode block of pothole
48, the top surface of the transparent electrode layer 52 in pothole 56 has groove 46, and transparent protective layer 40 is set on transparent electrode layer 52.
Below referring to Fig. 2, with introduce the present invention touch control display device, from bottom to top include an illuminating module 58,
One optical adhesive layer 60, transparent substrate 36, multi-point touch sensed layer 38, transparent protective layer 40, quarter wavelength plate 42, line polarisation layer
44, an optical adhesive layer 62, a light shield layer 64 and a glass cover-plate 66.Because the relationship of transparent protective layer 40, causes touch-control to show
Equipment has good display effect.
In conclusion the present invention fills up the groove of pixel control layer using transparent protective layer, to promote rotatory polarization effect.
As described above, only a preferred embodiment of the present invention is not used to limit the range of implementation of the invention, therefore
Such as it according to shape, construction described in scope of the present invention patent, feature and spirit institute equivalent changes and modifications for it, should all wrap
It includes in the claim of the present invention.
Claims (9)
1. a kind of touch panel, which is characterized in that include：
One transparent substrate；
One pixel control layer is set on the transparent substrate, and the top of the pixel control layer has plural groove；
One transparent protective layer is set in the pixel control layer, and fills up those grooves, and the top surface of the transparent protective layer is flat
Face；And
One rotatory polarization layer is set on the flat surface of the transparent protective layer.
2. touch panel as described in claim 1, wherein the pixel control layer is further included：
Plural transparent electrode block is set on the transparent substrate, and is separated by；
One patterned transparent insulating layer is set on those transparent electrode blocks, and between filling up between those transparent electrode blocks
Gap, which has the plural number pothole through itself, to expose those transparent electrode blocks respectively；And
One transparent electrode layer is set on the patterned transparent insulating layer, and covers those transparent electrode blocks via those potholes,
The top surface of the transparent electrode layer in those potholes has those grooves, which is set to the transparent electrode layer
On.
3. touch panel as claimed in claim 2, wherein the material of those transparent electrode blocks is tin indium oxide, poly- (3,4-
Ethylenedioxythiophene) or carbon nanotubes.
4. touch panel as described in claim 1, wherein the material of the transparent substrate be polyethylene terephthalate, it is inorganic
Clear polyimides, glass, cyclic olefin polymer, polyvinylidene chloride, cyclic block copolymer or polycarbonate.
5. touch panel as described in claim 1, wherein the rotatory polarization layer is further included：
One quarter wavelength plate is set on the flat surface of the transparent protective layer；And
One line polarisation layer is set in the quarter wavelength plate.
6. touch panel as claimed in claim 5, wherein the quarter wavelength plate with a thickness of 1-3 microns.
7. touch panel as claimed in claim 5, wherein the line polarisation layer with a thickness of 1-3 microns.
8. touch panel as described in claim 1, wherein the transparent protective layer is polymer resin layer or acryl coating layer.
9. touch panel as described in claim 1, wherein the transparent protective layer with a thickness of 3-8 microns.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810601812.XA CN108829295B (en) | 2018-06-12 | 2018-06-12 | Touch panel |
| TW107122406A TWI682311B (en) | 2018-06-12 | 2018-06-28 | Touch panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810601812.XA CN108829295B (en) | 2018-06-12 | 2018-06-12 | Touch panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108829295A true CN108829295A (en) | 2018-11-16 |
| CN108829295B CN108829295B (en) | 2021-04-13 |
Family
ID=64144657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810601812.XA Active CN108829295B (en) | 2018-06-12 | 2018-06-12 | Touch panel |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108829295B (en) |
| TW (1) | TWI682311B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110211494A (en) * | 2019-05-07 | 2019-09-06 | 和仪科技股份有限公司 | The manufacturing method of functional membrane and functional membrane |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI792243B (en) * | 2021-03-26 | 2023-02-11 | 大陸商宸鴻科技（廈門）有限公司 | Touch element and display device containing the same |
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| CN103257748B (en) * | 2013-05-10 | 2016-12-28 | 苏州欧菲光科技有限公司 | Contact panel and manufacture method |
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| CN106796769B (en) * | 2014-10-08 | 2019-08-20 | 株式会社半导体能源研究所 | Display device |
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| US20070145889A1 (en) * | 2005-12-22 | 2007-06-28 | Canon Kabushiki Kaisha | Light-emitting device |
| CN101021630A (en) * | 2006-02-15 | 2007-08-22 | 奇美电子股份有限公司 | Display panel and liquid crystal display device |
| US20080129701A1 (en) * | 2006-12-01 | 2008-06-05 | Takahiro Murakami | Input device equipped with illumination mechanism |
| US20140184933A1 (en) * | 2012-12-27 | 2014-07-03 | Samsung Electro-Mechanics Co., Ltd | Touch panel and producing method for via electrode |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108829295B (en) | 2021-04-13 |
| TW202001520A (en) | 2020-01-01 |
| TWI682311B (en) | 2020-01-11 |
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