CN103257731A - Touch display device and manufacturing method thereof - Google Patents
Touch display device and manufacturing method thereof Download PDFInfo
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- CN103257731A CN103257731A CN2012100382134A CN201210038213A CN103257731A CN 103257731 A CN103257731 A CN 103257731A CN 2012100382134 A CN2012100382134 A CN 2012100382134A CN 201210038213 A CN201210038213 A CN 201210038213A CN 103257731 A CN103257731 A CN 103257731A
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Abstract
The invention provides a touch display device which comprises a display panel and a touch panel. The display panel is provided with a display surface, and the touch panel is arranged on a display surface side. The touch panel comprises a first membrane, a second membrane and a plurality of sensing electrodes, wherein the sensing electrodes are arranged on at least one of the first membrane and the second membrane. The first membrane and the second membrane are made of double-refraction materials and respectively provided with a fast-axis axial direction, and the fast-axis axial direction angle difference of the first membrane and the second membrane ranges from 70 degrees to 110 degrees. The invention further provides a manufacturing method of the touch display device.
Description
Technical field
The invention relates to a kind of display device and manufacture method thereof, especially in regard to a kind of touch control display apparatus and manufacture method thereof.
Background technology
Touch control display apparatus miscellaneous has been indispensable articles for daily use in modern's life, and improves constantly in response to the cut-throat competition in market and consumer's requirement, and the display quality of touch control display apparatus also becomes one of important consideration of dealer's design.
In known technology, the contact panel body has upper and lower two PET diaphragms, and it utilizes the mode of roll extrusion stretching (roll-to-roll) to make respectively.Yet, utilize the PET diaphragm of roll extrusion stretching mode making to be (anisotropic) of optics is non-grade for phasic property, can influence the gait of march of light.Therefore, though be incident ray or from the light of display panels by behind the PET diaphragm, can produce the problem of phase delay, and then can have a phase differential after can making light penetrate linear polarizer.
When the element of wearing tool linear polarization effects such as sunglasses as the user is watched, the light that penetrates because of the external hanging type touch-control display panel has phase differential, linear polarizer by sunglasses again, then can produce constructive interference or destruction interference, and then cause the problem of rainbow line (Rainbow Fringes).
Moreover, for fear of the generation of rainbow line, the mode that known technology also has use casting mold (cell-cast) processing procedure to make the PET diaphragm.Yet the cost of casting mold processing procedure is higher, therefore, also can cause the cost of external hanging type touch-control display panel to improve.
Summary of the invention
Because above-mentioned problem, purpose of the present invention is for providing a kind of cost lower, and touch control display apparatus and the manufacture method thereof that can avoid the rainbow line to produce.
For achieving the above object, comprise a primary diaphragm, a secondary diaphragm and a plurality of sensing electrode according to a kind of contact panel of the present invention.The parallel primary diaphragm setting of secondary diaphragm, these sensing electrodes are arranged at primary diaphragm and secondary diaphragm at least on one of them.Wherein, primary diaphragm and secondary diaphragm are the birefringence material, and have a fast axle respectively axially, and the fast axle axial angle difference of primary diaphragm and secondary diaphragm is spent between 110 degree between 70 in fact.
For achieving the above object, comprise a display panel and a contact panel according to a kind of touch control display apparatus of the present invention.Display panel has a display surface, and contact panel is arranged at the display surface side.Contact panel comprises a primary diaphragm, a secondary diaphragm and a plurality of sensing electrode, and these sensing electrodes are to be arranged at primary diaphragm and secondary diaphragm at least on one of them.Wherein, primary diaphragm and secondary diaphragm are the birefringence material, and have a fast axle respectively axially, and the fast axle axial angle difference of primary diaphragm and secondary diaphragm is spent between 110 degree between 70 in fact.
In one embodiment, these sensing electrodes are to be positioned on the primary diaphragm.Perhaps, these sensing electrodes are to be positioned on the side of primary diaphragm.Perhaps, these sensing electrodes are to lay respectively on the relative two sides of primary diaphragm.Perhaps, these sensing electrodes are to lay respectively on primary diaphragm and the secondary diaphragm.Perhaps, these sensing electrodes are to lay respectively on the two sides relative between primary diaphragm and the secondary diaphragm.Perhaps, these sensing electrodes are to lay respectively on primary diaphragm and the unidirectional side of secondary diaphragm.Perhaps, these sensing electrodes are to lay respectively on the reverse side of primary diaphragm and secondary diaphragm.
In one embodiment, the fast axle axial angle difference of primary diaphragm and secondary diaphragm is essentially 90 degree.
In one embodiment, touch control display apparatus more comprises one first light polarization assembly and one second light polarization assembly.The first light polarization assembly is arranged at the opposite side of the relative display panel of contact panel, and the second light polarization assembly is arranged between contact panel and the display panel.The first light polarization assembly and the second light polarization assembly are the circular polarization assembly.Perhaps, the first light polarization assembly or the second light polarization assembly comprise a linear polarizer and a quarter wave plate.
In one embodiment, the material of primary diaphragm and secondary diaphragm is polyethylene terephthalate.
For achieving the above object, manufacture method according to a kind of touch control display apparatus of the present invention comprises: a primary diaphragm and a secondary diaphragm are provided, primary diaphragm and secondary diaphragm are a birefringence material, and have a fast axle respectively axially, fast axial direction of primary diaphragm and secondary diaphragm is different; A plurality of sensing electrodes are set in primary diaphragm and secondary diaphragm at least on one of them.
In one embodiment, provide the step of primary diaphragm and secondary diaphragm to comprise: roll extrusion stretches plastics to form a glued membrane, and glued membrane is the birefringence material and has fast axle axially; Cut glued membrane to form primary diaphragm along a first direction; Cut glued membrane to form secondary diaphragm along a second direction.Wherein, the differential seat angle of first direction and second direction is in fact between 70 degree are spent to 110.
In one embodiment, the step that cuts primary diaphragm and secondary diaphragm more comprises: cut element with one and cut glued membrane to form primary diaphragm along first direction; Rotation cuts element, cuts glued membrane to form secondary diaphragm to cut element along second direction.
In one embodiment, the step that cuts primary diaphragm and secondary diaphragm more comprises: cut element with one first and cut glued membrane to form primary diaphragm along first direction; Cut element with one second and cut glued membrane to form secondary diaphragm along second direction.Wherein, first cut the differential seat angle that differential seat angle that element and second cuts element equals first direction and second direction in fact.
Hold these, the manufacture method of touch control display apparatus of the present invention is by providing fast axle an axial different primary diaphragm and the secondary diaphragm of direction, producing to avoid the rainbow line.Therefore, the blooming piece manufacture method of contact panel of the present invention can utilize lower-cost continuous embossed mode to make, and for example if the axial direction of fast axle of primary diaphragm and secondary diaphragm is vertical in fact, then light passes the problem that primary diaphragm and secondary diaphragm namely can not produce phase delay, in other words, the light that touch control display apparatus can be avoided exporting has phase differential, and then can avoid producing the problem of rainbow line.
Description of drawings
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, below in conjunction with accompanying drawing the specific embodiment of the present invention is elaborated, wherein:
Fig. 1 is the process step figure of the manufacture method of a kind of touch control display apparatus of preferred embodiment of the present invention; And
Fig. 2 A to Fig. 2 E is the synoptic diagram of the manufacturing process of touch control display apparatus.
The main element symbol description:
1: contact panel
11: primary diaphragm
12: secondary diaphragm
13: sensing electrode
14: the first light polarization assemblies
141,31: linear polarizer
142,32:1/4 wave plate
15: the protection diaphragm
2: display panel
3: the second light polarization assemblies
4: touch control display apparatus
9: glued membrane
A: clearance
D: display panels
D1: first direction
D2: second direction
P1, P2: fast axle axially
S01～S02: the step of manufacturing flow process of touch control display apparatus of the present invention
Embodiment
Hereinafter with reference to relevant drawings, a kind of touch control display apparatus and manufacture method and contact panel according to preferred embodiment of the present invention are described, wherein components identical will be illustrated with identical reference marks.
Please refer to shown in Fig. 1 and Fig. 2 A to Fig. 2 D, wherein Fig. 1 is the process step synoptic diagram of the manufacture method of a kind of touch control display apparatus of preferred embodiment of the present invention, and Fig. 2 A to Fig. 2 E is the synoptic diagram of the manufacturing process of touch control display apparatus.The manufacture method of the blooming piece of present embodiment comprises step S01 to step S02.
Please be simultaneously with reference to shown in Fig. 1 and Fig. 2 A to Fig. 2 C, step S01 is for providing a primary diaphragm 11 and a secondary diaphragm 12, primary diaphragm 11 and secondary diaphragm 12 are a birefringence material, and have a fast axle axially P1, P2 respectively, the fast axle of primary diaphragm 11 and the secondary diaphragm 12 axially direction of P1, P2 is different.
Please in step S01, for primary diaphragm and secondary diaphragm are provided, be that roll extrusion stretches (roll-to-roll) plastics to form a glued membrane 9 simultaneously with reference to shown in Fig. 1 and Fig. 2 A, glued membrane 9 be for the birefringence material and have fast axle axially.Be the processing procedure that utilizes a plurality of rollers to carry out roll extrusion and stretching in this, since stretched, so glued membrane 9 is an anisotropic blooming.The material of glued membrane 9 can for example be that (Polyethylene terephthalate, PET), namely the material of primary diaphragm 11 and secondary diaphragm 12 is polyethylene terephthalate to polyethylene terephthalate.Then, glued membrane 9 need be cut into suitable size for successive process.
Please then can further cut according to the size requirements of product simultaneously with reference to shown in Fig. 1, Fig. 2 B and Fig. 2 C.Therefore, cut glued membrane 9 to form primary diaphragm 11 along a first direction D1; Cut glued membrane 9 to form secondary diaphragm 12 along a second direction D2.Wherein, the differential seat angle of first direction D1 and second direction D2 is in fact between 70 degree are spent to 110.In the present embodiment, with the long axis direction D1 of primary diaphragm 11 and its fast axle axially a P1 be all example mutually, it is non-limiting, but parallel or vertical preferable with the axial P1 of fast axle with long axis direction D1.In addition, then axially P2 is vertical with fast axle for the long axis direction D2 of secondary diaphragm 12, and to have rotated 90 degree with essence be example, and it is non-limiting.
Please be simultaneously with reference to shown in Fig. 2 B and Fig. 2 C, therefore, when primary diaphragm 11 and secondary diaphragm 12 were arranged with long axis direction D1, D2 equally, the fast axle of primary diaphragm 11 and secondary diaphragm 12 axially P1, P2 differential seat angle was spent between 110 degree between 70 in fact.In present embodiment, with the fast axle of primary diaphragm 11 axially P1 be with the fast axle of secondary diaphragm 12 axially P2 to be essentially 90 degree be example, it is non-limiting.Therefore, primary diaphragm 11 and the secondary diaphragm 12 of present embodiment can utilize lower-cost continuous roll extrusion mode to make, and if primary diaphragm 11 is vertical in fact with fast axle axial P1, the P2 of secondary diaphragm 12, then light passes the problem that primary diaphragm 11 and secondary diaphragm 12 namely can not produce phase delay, in other words, extraneous light can not have phase differential by primary diaphragm 11 and secondary diaphragm 12.
What deserves to be mentioned is, cut primary diaphragm 11 and secondary diaphragm 12 and can one cut the element (not shown) and cut glued membrane 9 to form at least one primary diaphragm 11 along first direction D1; Then, rotation cuts element, cuts glued membrane 9 to form secondary diaphragm 12 to cut element along second direction D2.In other words, cut primary diaphragm 11 and secondary diaphragm 12 with the identical element that cuts.
Perhaps, cut the element (not shown) with one first and cut glued membrane 9 to form primary diaphragm 11 along first direction D1, cut the element (not shown) with one second and cut glued membrane 9 to form secondary diaphragm 12 along second direction D2.Wherein, first cut the differential seat angle that differential seat angle that element and second cuts element equals first direction D1 and second direction D2 in fact.In other words, the element that cuts that can also be different cuts primary diaphragm 11 and secondary diaphragm 12.
Then, please refer to shown in Fig. 1 and Fig. 2 D, step S02 be arrange a plurality of sensing electrodes 13 in primary diaphragm 11 and secondary diaphragm 12 at least wherein one on.Whereby, to form a contact panel 1.Be noted that the pattern of sensing electrode 13 is non-limiting, and these sensing electrodes 13 can be positioned on the primary diaphragm 11, or on the side of primary diaphragm 11, perhaps lay respectively on the relative two sides of primary diaphragm 11.Perhaps, these sensing electrodes 13 also can lay respectively on primary diaphragm 11 and the secondary diaphragm 12, or lay respectively on the two sides relative between primary diaphragm 11 and the secondary diaphragm 12, or lay respectively on primary diaphragm 11 and the secondary diaphragm 12 unidirectional sides, or lay respectively on the reverse side of primary diaphragm 11 and secondary diaphragm 12.In this, being provided with sensing electrode 13 with primary diaphragm 11 is that example explains.The material of sensing electrode 13 for example be tin indium oxide (Indium Tin Oxide, ITO).
Shown in Fig. 2 E, it is the synoptic diagram of touch control display apparatus 4.The manufacture method of touch control display apparatus 4 also can comprise: one first light polarization assembly 14 is set in the opposite side of contact panel 1 relative display panel 2; And one second light polarization assembly 3 is set between contact panel 1 and display panel 2.Wherein, display panel 2 for example can be a display panels or an organic electroluminescence display panel.In present embodiment, display panel 2 is example with the display panels, and it is non-limiting.
In addition, the first light polarization assembly 14 and the second light polarization assembly 3 for example can be the circular polarization assembly.In present embodiment, comprise a linear polarizer 141 and a quarter wave plate 142, the second light polarization assemblies 3 with the first light polarization assembly 14 and comprise a linear polarizer 31 and a quarter wave plate 32 for example explains, it is non-limiting.Moreover contact panel 1 more can have a cover glass 15, be arranged at the first light polarization assembly 14 on, as the protection function.
Therefore; utilize linear polarizer 141 and quarter wave plate 42 to be arranged on primary diaphragm 11 and 15 on diaphragm of protection; and 32 of secondary diaphragm 12 and quarter wave plates also are provided with clearance A; whereby; light L1 from environment becomes linearly polarized light by linear polarizer 141 earlier; produce 1/4 phase delay through quarter wave plate 142 again and become rotatory polarization; and by behind primary diaphragm 11 and the secondary diaphragm 12; produce the difference of refractive index because of clearance A; so as to producing total reflections at secondary diaphragm 12, become linearly polarized light through behind the quarter wave plate 142 again, but because of phase place inequality; so can't penetration line polaroid 141, so as to producing antireflecting effect.And no matter light L1 or L2 pass the problem that primary diaphragm 11 and secondary diaphragm 12 can not produce phase delay, in other words, light can not have phase differential by primary diaphragm 11 and secondary diaphragm 12, and then can avoid producing the problem of rainbow line.
In addition, be noted that, if the structure of contact panel is the formation that a substrate cooperates a touch-control diaphragm, avoid producing the problem of rainbow line, also can utilize a diaphragm different with touch-control diaphragm polarization direction to avoid the generation of rainbow line.
In sum, the manufacture method of touch control display apparatus of the present invention is by providing fast axle an axial different primary diaphragm and the secondary diaphragm of direction, producing to avoid the rainbow line.Therefore, the blooming piece manufacture method of contact panel of the present invention can utilize lower-cost continuous embossed mode to make, and for example if the axial direction of fast axle of primary diaphragm and secondary diaphragm is vertical in fact, then light passes the problem that primary diaphragm and secondary diaphragm namely can not produce phase delay, in other words, the light that touch control display apparatus can be avoided exporting has phase differential, and then can avoid producing the problem of rainbow line.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limiting the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when can doing a little modification and perfect, so protection scope of the present invention is when with being as the criterion that claims were defined.
Claims (22)
1. contact panel comprises:
One primary diaphragm;
One secondary diaphragm, parallel this primary diaphragm arranges; And
A plurality of sensing electrodes are arranged at this primary diaphragm and this secondary diaphragm at least on one of them,
Wherein, this primary diaphragm and this secondary diaphragm are the birefringence material, and have a fast axle respectively axially, and the described fast axle axial angle difference of this primary diaphragm and this secondary diaphragm is spent between 110 degree between 70 in fact.
2. contact panel as claimed in claim 1 is characterized in that, described sensing electrode is to be positioned on this primary diaphragm.
3. contact panel as claimed in claim 2 is characterized in that, described sensing electrode is to be positioned on the side of this primary diaphragm.
4. contact panel as claimed in claim 2 is characterized in that, described sensing electrode is to lay respectively on the relative two sides of this primary diaphragm.
5. contact panel as claimed in claim 1 is characterized in that, described sensing electrode is to lay respectively on this primary diaphragm and this secondary diaphragm.
6. contact panel as claimed in claim 5 is characterized in that, described sensing electrode is to lay respectively on the two sides relative between this primary diaphragm and this secondary diaphragm.
7. contact panel as claimed in claim 5 is characterized in that, described sensing electrode is to lay respectively on this primary diaphragm and the unidirectional side of this secondary diaphragm.
8. contact panel as claimed in claim 5 is characterized in that, described sensing electrode is to lay respectively on the reverse side of this primary diaphragm and this secondary diaphragm.
9. contact panel as claimed in claim 1 is characterized in that, the described fast axle axial angle difference of this primary diaphragm and this secondary diaphragm is essentially 90 degree.
10. contact panel as claimed in claim 1 is characterized in that, the material of this primary diaphragm and this secondary diaphragm is polyethylene terephthalate.
11. a touch control display apparatus comprises:
One display panel has a display surface; And
One contact panel is arranged at this display surface side, comprises:
One primary diaphragm;
One secondary diaphragm, parallel this primary diaphragm arranges; And
A plurality of sensing electrodes are arranged at this primary diaphragm and this secondary diaphragm at least on one of them,
Wherein, this primary diaphragm and this secondary diaphragm are the birefringence material, and have a fast axle respectively axially, and the described fast axle axial angle difference of this primary diaphragm and this secondary diaphragm is spent between 110 degree between 70 in fact.
12. touch control display apparatus as claimed in claim 11 is characterized in that, the axial angle of the axle soon difference of this primary diaphragm and this secondary diaphragm be essentially 90 degree.
13. touch control display apparatus as claimed in claim 11 also comprises:
One first light polarization assembly is arranged at this contact panel opposite side of this display panel relatively; And
One second light polarization assembly is arranged between this contact panel and this display panel.
14. touch control display apparatus as claimed in claim 13 is characterized in that, this first light polarization assembly and this second light polarization assembly are the circular polarization assembly.
15. touch control display apparatus as claimed in claim 13 is characterized in that, this first light polarization assembly or this second light polarization assembly comprise a linear polarizer and a quarter wave plate.
16. touch control display apparatus as claimed in claim 11 is characterized in that, the material of this primary diaphragm and this secondary diaphragm is polyethylene terephthalate.
17. the manufacture method of a touch control display apparatus comprises:
One primary diaphragm and a secondary diaphragm are provided, and this primary diaphragm and this secondary diaphragm are a birefringence material, and have a fast axle respectively axially, and described fast axial direction of this primary diaphragm and this secondary diaphragm is different; And
A plurality of sensing electrodes are set in this primary diaphragm and this secondary diaphragm at least on one of them.
18. manufacture method as claimed in claim 17 is characterized in that, this provides the step of this primary diaphragm and this secondary diaphragm also to comprise:
Roll extrusion stretches plastics to form a glued membrane, and this glued membrane is for this birefringence material and have this fast axle axially;
Cut this glued membrane to form this primary diaphragm along a first direction; And
Cut this glued membrane forming this secondary diaphragm along a second direction,
Wherein, the differential seat angle of this first direction and this second direction is in fact between 70 degree are spent to 110.
19. manufacture method as claimed in claim 18 is characterized in that, the step that cuts this primary diaphragm and this secondary diaphragm also comprises:
Cut element with one and cut this glued membrane to form this primary diaphragm along this first direction; And
Rotate this and cut element, cut element with this and cut this glued membrane to form this secondary diaphragm along this second direction.
20. manufacture method as claimed in claim 18 is characterized in that, the step that cuts this primary diaphragm and this secondary diaphragm also comprises:
Cut element with one first and cut this glued membrane to form this primary diaphragm along this first direction; And
Cut element with one second and cut this glued membrane forming this secondary diaphragm along this second direction,
Wherein, this first cuts the differential seat angle that element and this second differential seat angle that cuts element equal this first direction and this second direction in fact.
21. manufacture method as claimed in claim 17 is characterized in that, is described sensing electrode to be set on this primary diaphragm.
22. manufacture method as claimed in claim 17 is characterized in that, is described sensing electrode to be set respectively on this primary diaphragm and this secondary diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210038213.4A CN103257731B (en) | 2012-02-20 | 2012-02-20 | Touch control display apparatus and manufacture method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210038213.4A CN103257731B (en) | 2012-02-20 | 2012-02-20 | Touch control display apparatus and manufacture method thereof |
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| CN103257731A true CN103257731A (en) | 2013-08-21 |
| CN103257731B CN103257731B (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210038213.4A Active CN103257731B (en) | 2012-02-20 | 2012-02-20 | Touch control display apparatus and manufacture method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374053A (en) * | 2016-11-22 | 2017-02-01 | 上海天马微电子有限公司 | OLED display panel and display device |
| CN108920001A (en) * | 2018-06-29 | 2018-11-30 | 信利光电股份有限公司 | A kind of touch-control display panel and display device |
| WO2022047945A1 (en) * | 2020-09-07 | 2022-03-10 | Tcl华星光电技术有限公司 | Display panel |
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| CN101135797A (en) * | 2007-09-30 | 2008-03-05 | 京东方科技集团股份有限公司 | Optical organic membrane structure of display apparatus and display apparatus |
| US20090185088A1 (en) * | 2008-01-21 | 2009-07-23 | Seiko Epson Corporation | Electro-optical device, method of manufacturing electro-optical device, and electronic apparatus |
| CN101681023A (en) * | 2007-06-01 | 2010-03-24 | 夏普株式会社 | Optical system and display |
| WO2010114056A1 (en) * | 2009-03-31 | 2010-10-07 | 帝人株式会社 | Transparent conductive laminate and transparent touch panel |
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| CN1360220A (en) * | 2000-12-22 | 2002-07-24 | 精工爱普生株式会社 | Liquid crystal display and electronic device |
| CN101681023A (en) * | 2007-06-01 | 2010-03-24 | 夏普株式会社 | Optical system and display |
| CN101135797A (en) * | 2007-09-30 | 2008-03-05 | 京东方科技集团股份有限公司 | Optical organic membrane structure of display apparatus and display apparatus |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374053A (en) * | 2016-11-22 | 2017-02-01 | 上海天马微电子有限公司 | OLED display panel and display device |
| CN106374053B (en) * | 2016-11-22 | 2018-05-25 | 上海天马微电子有限公司 | A kind of OLED display panel and display device |
| US11101332B2 (en) | 2016-11-22 | 2021-08-24 | Shanghai Tianma Micro-electronics Co., Ltd. | OLED display panel and display device |
| CN108920001A (en) * | 2018-06-29 | 2018-11-30 | 信利光电股份有限公司 | A kind of touch-control display panel and display device |
| WO2022047945A1 (en) * | 2020-09-07 | 2022-03-10 | Tcl华星光电技术有限公司 | Display panel |
| US11709389B2 (en) | 2020-09-07 | 2023-07-25 | Tcl China Star Optoelectronics Technology Co., Ltd. | Display panel |
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|---|---|
| CN103257731B (en) | 2016-06-15 |
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