CN103336613A - Panel structure and manufacturing method thereof - Google Patents
Panel structure and manufacturing method thereof Download PDFInfo
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- CN103336613A CN103336613A CN2013102558925A CN201310255892A CN103336613A CN 103336613 A CN103336613 A CN 103336613A CN 2013102558925 A CN2013102558925 A CN 2013102558925A CN 201310255892 A CN201310255892 A CN 201310255892A CN 103336613 A CN103336613 A CN 103336613A
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Abstract
The invention discloses a panel structure and a manufacturing method of the panel structure. The panel structure at least comprises a base plate, a first functional layer, a second functional layer and a third functional layer, wherein the base plate is at least provided with a first surface and a second surface, the first surface and the second surface are adjacently arranged at the same side of the base plate, the first functional layer is formed on the base plate and totally covers the first surface, the third functional layer is arranged on the first functional layer, the second functional layer is arranged on the third functional layer, and the projection of the third functional layer on the first surface covers the projection of the second functional layer on the first surface; and the first functional layer is at least made from a material with a shielding function, the second functional layer is at least made from a material with the excellent conductivity, and the third functional layer is at least made from a material with the excellent bonding property.
Description
Technical field
The present invention relates to technical field of flat panel display, relate in particular to a kind of panel construction and preparation method thereof.
Background technology
Present display panel is generally display panels, or is the panel that comprises touch-screen and display screen.Display screen (or display panels) is used for showing image or numeral, and touch-screen is equivalent to the keyboard of external application as a kind of input equipment.Wherein, the capacitance touch panel is owing to have advantages such as multi-point touch, transmitance height, long service life, replace traditional resistive touch panel day by day, and be extensive use of at electronic products such as mobile phone, player, e-book, net book, personal digital assistant, panel computers.
Traditional capacitance touch panel comprises the glass substrate with visible area and non-visible area.Described capacitance touch panel also comprises barrier bed, electrode layer and metal lead wire layer.Described barrier bed is arranged at the glass baseplate surface of non-visible area, and described electrode layer is arranged on the interior glass substrate of visible area, and it is intersected by many X-axis stitchings that are parallel to each other and many Y-axis stitchings that are parallel to each other forms.Described metal lead wire layer directly is arranged on the described barrier bed, and it comprises the metal lead wire that many described X-axis stitching and the Y-axis stitchings that are used for electrode layer are connected to ppu.
Yet, directly the metal lead wire layer being arranged on the described barrier bed, the big physical difference that exists between the material because of metal and making barrier bed causes metal lead wire to come off easily, and then reduces the yield of product.
Summary of the invention
In view of this, the invention provides a kind of can prevent from going between come off, improve the panel construction of product yield.
In addition, also be necessary to provide a kind of method for making of above-mentioned panel construction.
A kind of panel construction comprises that at least one has the substrate of a first surface and a second surface at least, one first functional layer, one second functional layer and one the 3rd functional layer, the adjacent the same side that is arranged at described substrate of described first surface and second surface, described first functional layer is formed on the described substrate, and cover described first surface fully, described the 3rd functional layer is arranged on described first functional layer, described second functional layer is arranged on described the 3rd functional layer, and described second functional layer is covered by the projection of described the 3rd functional layer on described first surface in the projection on the described first surface, described first functional layer is made by having the materials with function of blocking at least, described second functional layer is made by the material with excellent conductive performance at least, and described the 3rd functional layer is made of the material with good combination performance at least.
In the described panel construction provided by the invention, described second surface is positioned at the central authorities of described substrate, described first surface be positioned at described substrate around, described first surface and second surface can be the plane, or are curved surface, perhaps one is that plane, is for curved surface; Can be continuous transition between described first surface and the second surface, or form a ledge structure between described first surface and the second surface.
In the described panel construction provided by the invention, described second functional layer comprises the second subfunction layer of a plurality of spaced sets, described panel construction also comprises many first function traces and a plurality of collets that are formed on the described second surface at least, described a plurality of second subfunction layer is respectively applied to connect described many first function traces, and respectively described many first function traces are connected to ppu, described a plurality of collets are covered on many described first function traces of institute, and described a plurality of collets and described a plurality of second subfunction layer are made in same technology in the lump.
In the described panel construction provided by the invention, described the 3rd functional layer comprises the 3rd subfunction layer of a plurality of spaced sets, described a plurality of second subfunction layer is arranged on described a plurality of the 3rd subfunction layer, a plurality of described second subfunction layers have equal span, a plurality of described the 3rd subfunction layers have equal span, a plurality of described second subfunction layers are covered by a plurality of described the 3rd projection of subfunction layer on first surface in the projection on the first surface, and the quantity of the 3rd subfunction layer on described the 3rd functional layer is more than or equal to the quantity of the second subfunction layer on the described second subfunction layer.
In the described panel construction provided by the invention, the second subfunction layer that is arranged on described the 3rd subfunction layer overlaps with the 3rd projection of subfunction layer on described first surface in the projection on the described first surface, and described first surface and second surface constitute a continuous and smooth plane.
A kind of method for making of panel construction comprises the steps: to provide a substrate that has a first surface and a second surface at least, the adjacent the same side that is arranged at described substrate of described first surface and second surface; Adopt to have the materials with function of blocking at least in described first surface formation one first functional layer, described first functional layer covers described first surface fully; Adopt the material that has the good combination performance at least to form one the 3rd functional layer in described first functional layer, and described the 3rd functional layer is covered by the projection of described first functional layer on described first surface in the projection on the described first surface; Adopt the material that has excellent conductive performance at least to form one second functional layer in described the 3rd functional layer, and described second functional layer is covered by the projection of described the 3rd functional layer on described first surface in the projection on the described first surface.
In the described panel construction method for making provided by the invention, described panel making method is further comprising the steps of, make described the 3rd functional layer form a plurality of the 3rd subfunction layers through coating and photoetching process, and make a plurality of described the 3rd subfunction layer spaced set on described first functional layer, a plurality of described the 3rd subfunction layers have equal span; Make described second functional layer form a plurality of second subfunction layers through coating and photoetching process, and a plurality of described second subfunction layers are arranged on a plurality of described the 3rd subfunction layers, a plurality of described second subfunction layers have equal span, a plurality of described second subfunction layers are covered by a plurality of described the 3rd projection of subfunction layer on first surface in the projection on the first surface, and the quantity of the 3rd subfunction layer on described the 3rd functional layer is more than or equal to the quantity of the second subfunction layer on the described second subfunction layer.
In the described panel construction method for making provided by the invention, described second surface is positioned at the central authorities of described substrate, described first surface be positioned at described substrate around, described first surface and second surface can be the plane, or be curved surface, perhaps one is that plane, is curved surface; Can be continuous transition between first surface and the second surface, or form a ledge structure between first surface and the second surface.
In the described panel construction method for making provided by the invention, described panel construction also comprises many first function traces and a plurality of collets that are formed on the described second surface at least, described a plurality of second subfunction layer is respectively applied to connect described many first function traces, and respectively described many first function traces are connected to ppu, described a plurality of collets are covered on many described first function traces of institute, and described a plurality of collets and described a plurality of second subfunction layer are made in same technology in the lump.
In the described panel construction method for making provided by the invention, the second subfunction layer that is arranged on described the 3rd subfunction layer overlaps with the 3rd projection of subfunction layer on described first surface in the projection on the described first surface, and first surface and second surface constitute a continuous and smooth plane.
In described panel construction provided by the invention and preparation method thereof, because first functional layer is made by having the materials with function of blocking at least, second functional layer is made by metal material at least, the 3rd functional layer is made by having the electrically conducting transparent materials with function at least, the 3rd functional layer is not very big with first functional layer, second functional layer physical difference between the two respectively, therefore the 3rd functional layer is better with the tack of first functional layer, second functional layer respectively, can prevent coming off of second functional layer, improve the yield of product.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the synoptic diagram of the panel construction of a preferred embodiment provided by the invention;
Fig. 2 is that panel construction shown in Figure 1 is along a schematic cross-section of A-A direction;
Fig. 3 is the schematic flow sheet of the method for making of panel construction shown in Figure 1;
Fig. 4 is that panel construction shown in Figure 1 is along the schematic cross-section of another preferred embodiment of A-A direction;
Fig. 5 is the schematic flow sheet of the method for making of the described panel construction of Fig. 4.
Embodiment
For panel construction provided by the invention and preparation method thereof is described, be described in detail below in conjunction with Figure of description and explanatory note.
The panel that the present invention relates to can be liquid crystal panel, also can be touch panel, includes but not limited to one chip touch panel (OGS), can also be the integrated panel of touch-screen and liquid crystal display, comprises In-cell panel or On-cell panel etc.
Embodiment 1
Be example with the capacitance type touch-control panel, please consult Fig. 1 and Fig. 2 simultaneously, it is that the structural representation of capacitance type touch-control panel 10 of a preferred embodiments provided by the invention and described capacitance type touch-control panel are along the schematic cross-section of A-A direction.
Described capacitance type touch-control panel 10 comprises a substrate 11, and described substrate 11 comprises a first surface 11a and second surface 11b at least, and described first surface 11a and second surface 11b are arranged at the same side of described substrate 11.Described first surface 11a is occlusion area, described second surface 11b is the viewing area, described first surface 11a in abutting connection with and around described second surface 11b, the area that described second surface 11b occupies described substrate 11 occupies the area of described substrate 11 greater than described first surface 11a.In the present embodiment, described second surface 11b is a rectangle, and described first surface 11a is a straight-flanked ring; In other embodiments, described second surface 11b also can be regular figures such as pentagon, hexagon, circle, ellipse, and is corresponding, and described first surface 11a be regular circular patterns such as the pentagon ring, hexagonal rings, annulus, elliptical ring around it.In this implementation column, described first surface 11a and second surface 11b constitute continuous, a smooth and smooth plane.In other embodiments, described first surface 11a and second surface 11b can be the plane or be curved surface, perhaps one is that plane, is curved surface, can be continuous transition between described first surface 11a and the second surface 11b, perhaps form a ledge structure (not shown) between described first surface 11a and the second surface 11b.
Described capacitance type touch-control panel 10 also comprises first functional layer 12, second functional layer 14, the 3rd functional layer 13 and touch controllable function layer (not shown).Described first functional layer 12 covers described first surface 11a fully, described the 3rd functional layer 13 is arranged on described first functional layer 12, described second functional layer 14 is arranged on described the 3rd functional layer 13, and described second functional layer 14 is covered by the projection of described the 3rd functional layer 13 on described first surface 11a in the projection on the first surface 11a.Described touch controllable function layer is arranged on the described second surface 11b.
Described touch controllable function layer comprises many first function trace (not shown)s, many second function trace (not shown)s and a plurality of collets (not shown).Be parallel to each other between described many first function traces and spaced set on described second surface 11b, be parallel to each other between described many second function traces and spaced set on described second surface 11b; And described many first function traces intersect respectively with between described many second function traces mutually, form a plurality of point of crossing.Described a plurality of collets are arranged at described a plurality of each place, point of crossing respectively, and are covered on the described first function trace, are used for described many first function traces and many second function trace insulation.In other embodiments, described touch controllable function layer is not limited thereto at the arrangement mode of second surface 11b.
Described first functional layer 12 is made by having the materials with function of blocking at least, for example the optical cement of being made by organic resin (acrylic resin, silane resin etc.).The material that constitutes described first functional layer 12 in the present embodiment is black, and in other embodiments, the material of described first functional layer 12 of described formation can also be that other colors are as redness, yellow, blueness, green etc.Described first functional layer 12 is through coating and photoetching or silk screen printing process is formed on the described first surface 11a.
Described the 3rd functional layer 13 is at least by the material with good combination performance such as tin indium oxide (indiumtin oxide, ITO) make, in the present embodiment, described the 3rd functional layer 13 comprises a plurality of the 3rd subfunction layers 133, and described a plurality of the 3rd subfunction layers 133 equidistantly are distributed on described first functional layer 12.Described a plurality of the 3rd subfunction layer is formed on described first functional layer 12 through coating and photoetching process or through silk-screen technology.The setting of the span such as equidistant of a plurality of described the 3rd subfunction layers 133 makes described capacitance type touch-control panel more attractive in appearance.In other embodiments, described electrically conducting transparent materials with function can also be indium zinc oxide (indium zinc oxide, IZO), cadmium tin (cadmium tin oxide, CTO), aluminum zinc oxide (aluminum zinc oxide, AZO), indium oxide zinc-tin (indium tin zinc oxide, ITZO), (Carbon nanotubes CNT) etc., but is not limited thereto for Graphene (Graphene) or carbon nano-tube; Described a plurality of the 3rd subfunction layer 133 can also non-equidistance or span mode such as non-be arranged on described first functional layer 12.
Described second functional layer 14 is made by the material with excellent conductive performance at least, for example the potpourri of copper, aluminium, silver or its alloy or its potpourri, its alloy.Described second functional layer 14 comprises a plurality of second subfunction layers 144, be many strip metal lead-in wires in the present embodiment, it electrically connects with many first function stitchings and many second function stitchings of being arranged on the described second surface 11b respectively, and is connected to ppu.A plurality of described second subfunction layers 144 are separately positioned on a plurality of described the 3rd functional layers 13, have equal span between a plurality of described second subfunction layers 144.The quantity of the 3rd subfunction layer 133 on described the 3rd functional layer 13 is more than or equal to the quantity of the second subfunction layer 144 on described second functional layer 14, and is provided with second a subfunction layer 144 at the most on each described the 3rd subfunction layer 133.In the present embodiment, the quantity of the described second subfunction layer 144 equates with the quantity of described the 3rd functional layer 133.In other embodiments, under the prerequisite that the 3rd subfunction layer 133 non-equidistance or span such as non-arrange, the second subfunction layer 144 also can non-equidistance or span setting such as non-.
In the present embodiment, a plurality of described second subfunction layers 144 are covered by the projection of a plurality of described the 3rd subfunction layer 133 on described first surface 11a in the projection on the described first surface 11a, be that a plurality of described second subfunction layers 144 all are positioned on a plurality of described the 3rd subfunction layers 133, a plurality of described second subfunction layers 144 in the projected area on the described first surface 11a less than the projected area of a plurality of described the 3rd subfunction layers 133 on described first surface 11a.
As shown in Figure 3, be the schematic flow sheet of the method for making of panel construction shown in Figure 1, described method for making step comprises:
S01: provide a substrate that has a first surface and a second surface at least, the adjacent the same side that is arranged at described substrate of described first surface and second surface.
S02: adopt to have the materials with function of blocking at least in first surface formation one first functional layer, described first functional layer covers described first surface fully.
S03: adopt the material that has the good combination performance at least to form one the 3rd functional layer in described first functional layer.In the present embodiment, also make described the 3rd functional layer form a plurality of the 3rd subfunction layers through coating and photoetching process, and make a plurality of described the 3rd subfunction layer spaced set on described first functional layer.
S04: adopt to have the good conductive materials with function at least in described the 3rd functional layer formation one second functional layer.In the present embodiment, described second functional layer comprises a plurality of second subfunction layers, and a plurality of described second subfunction layers are arranged at respectively on described the 3rd subfunction layer.
In other embodiments, block except having respectively in the making material of first functional layer, second functional layer and the 3rd functional layer, conduction and the transparent conductive material, can also comprise that some have the material of other physical characteristicss, as reflection, antireflection, anti-fingerprint, anti-dazzle etc.
In the described panel construction that present embodiment provides, because first functional layer is made by having the materials with function of blocking, second functional layer is made by metal material, make between both material and have bigger physical difference, therefore one the 3rd functional layer that has the electrically conducting transparent characteristic at least is set between first functional layer and second functional layer, owing to all have good tack between the 3rd functional layer and first functional layer, second functional layer, it can effectively prevent coming off of second functional layer, has improved the yield of product.
Embodiment 2
Still be example with the capacitance type touch-control panel, please refer to Fig. 4, it is that panel construction shown in Figure 1 is along the schematic cross-section of another preferred embodiments of A-A direction, described panel construction comprises a substrate 21, described substrate comprises first surface 21a and second surface 21b, and described substrate 21 also comprises one first functional layer 22, one second functional layer 24 and one the 3rd functional layer 23.
As shown in Figure 4, described second functional layer 24 comprises the second subfunction layer 244 of a plurality of spaced sets, and described the 3rd functional layer 23 comprises the 3rd subfunction layer 233 of a plurality of spaced sets.A plurality of described second subfunction layers 244 have identical span with a plurality of the 3rd subfunction layers 233 at first direction 25.
On panel construction, present embodiment as different from Example 1, a plurality of described the 3rd subfunction layers 23 overlap with the projection of a plurality of described second subfunction layer 244 on described first surface 21a fully in the projection on the described first surface 21a, and namely a plurality of described the 3rd subfunction layers 23 equate with the projected area of a plurality of described second subfunction layers 244 on described first surface 21a in the projected area on the described first surface 21a.
Accordingly, on the method for making of panel construction, as shown in Figure 5, present embodiment in the S13 step, forms after the 3rd functional layer as different from Example 1, do not form a plurality of the 3rd subfunction layers through other technologies immediately, but after in the S14 step, forming second functional layer, in step S15, through with photoetching process, on described first functional layer, form a plurality of the 3rd subfunction layers and the second subfunction layer.Described step S15 is specially: through photoetching and exposure technology, make described the 3rd functional layer and second functional layer comprise the second subfunction layer and the 3rd subfunction layer of a plurality of spaced sets simultaneously respectively, a plurality of described second subfunction layers and a plurality of described the 3rd subfunction layer have equal span along first direction 25.The method has been simplified manufacture craft.In addition, because the second subfunction layer is made by metal material, the 3rd subfunction layer is made by transparent conductive material, not only can improve the adhesion of metal wire, can also effectively guarantee quality of connection (in case the metal wire fracture of described metal wire, transparent conductive material under it can guarantee its conducting), namely the 3rd subfunction layer has herein played the effect of " dual fail-safe ", has reduced the fraction defective of product.Step S11, S12 are identical with step S01, S02 among the embodiment 1.
Need to prove, for clarity, in Figure of description, simplified the bar number of line, layer, and exaggerated the thickness of layer, panel etc.
It more than is the preferred embodiments of capacitance type touch-control panel provided by the invention and preparation method thereof; can not be interpreted as the restriction to rights protection scope of the present invention; those skilled in the art should know; without departing from the inventive concept of the premise; also can do multiple improvement or replacement; these all improvement or replacement all should be in the scope of the present invention, and namely the scope of the present invention should be as the criterion with claim.
Claims (10)
1. panel construction, at least comprise that one has the substrate of a first surface and a second surface at least, one first functional layer, one second functional layer and one the 3rd functional layer, the adjacent the same side that is arranged at described substrate of described first surface and second surface, described first functional layer is formed on the described substrate, and cover described first surface fully, described the 3rd functional layer is arranged on described first functional layer, described second functional layer is arranged on described the 3rd functional layer, and described second functional layer is covered by the projection of described the 3rd functional layer on described first surface in the projection on the described first surface, described first functional layer is made by having the materials with function of blocking at least, described second functional layer is made by the material with excellent conductive performance at least, and described the 3rd functional layer is made of the material with good combination performance at least.
2. panel construction as claimed in claim 1, it is characterized in that: described second surface is positioned at the central authorities of described substrate, described first surface be positioned at described substrate around, described first surface and second surface can be the plane, or be curved surface, perhaps one is that plane, is curved surface; Can be continuous transition between described first surface and the second surface, or form a ledge structure between described first surface and the second surface.
3. panel construction as claimed in claim 2, it is characterized in that: described second functional layer comprises the second subfunction layer of a plurality of spaced sets, described panel construction also comprises many first function traces and a plurality of collets that are formed on the described second surface at least, described a plurality of second subfunction layer is respectively applied to connect described many first function traces, and respectively described many first function traces are connected to ppu, described a plurality of collets are covered on many described first function traces of institute, and described a plurality of collets and described a plurality of second subfunction layer are made in same technology in the lump.
4. panel construction as claimed in claim 3, it is characterized in that: described the 3rd functional layer comprises the 3rd subfunction layer of a plurality of spaced sets, described a plurality of second subfunction layer is arranged on described a plurality of the 3rd subfunction layer, a plurality of described second subfunction layers have equal span, a plurality of described the 3rd subfunction layers have equal span, a plurality of described second subfunction layers are covered by a plurality of described the 3rd projection of subfunction layer on first surface in the projection on the first surface, and the quantity of the 3rd subfunction layer on described the 3rd functional layer is more than or equal to the quantity of the second subfunction layer on the described second subfunction layer.
5. panel construction as claimed in claim 4, it is characterized in that: the second subfunction layer that is arranged on described the 3rd subfunction layer overlaps with the 3rd projection of subfunction layer on described first surface in the projection on the described first surface, and described first surface and second surface constitute a continuous and smooth plane.
6. the method for making of a panel construction is characterized in that, comprises the steps:
Provide a substrate that has a first surface and a second surface at least, the adjacent the same side that is arranged at described substrate of described first surface and second surface;
Adopt to have the materials with function of blocking at least in described first surface formation one first functional layer, described first functional layer covers described first surface fully;
Adopt the material that has the good combination performance at least to form one the 3rd functional layer in described first functional layer, and described the 3rd functional layer is covered by the projection of described first functional layer on described first surface in the projection on the described first surface;
Adopt the material that has excellent conductive performance at least to form one second functional layer in described the 3rd functional layer, and described second functional layer is covered by the projection of described the 3rd functional layer on described first surface in the projection on the described first surface.
7. panel construction method for making as claimed in claim 6, it is characterized in that: described panel making method is further comprising the steps of, make described the 3rd functional layer form a plurality of the 3rd subfunction layers through coating and photoetching process, and make a plurality of described the 3rd subfunction layer spaced set on described first functional layer, a plurality of described the 3rd subfunction layers have equal span; Make described second functional layer form a plurality of second subfunction layers through coating and photoetching process, and a plurality of described second subfunction layers are arranged on a plurality of described the 3rd subfunction layers, a plurality of described second subfunction layers have equal span, a plurality of described second subfunction layers are covered by a plurality of described the 3rd projection of subfunction layer on first surface in the projection on the first surface, and the quantity of the 3rd subfunction layer on described the 3rd functional layer is more than or equal to the quantity of the second subfunction layer on the described second subfunction layer.
8. panel construction method for making as claimed in claim 7, it is characterized in that: described second surface is positioned at the central authorities of described substrate, described first surface be positioned at described substrate around, described first surface and second surface can be the plane, or be curved surface, perhaps one is that plane, is curved surface; Can be continuous transition between first surface and the second surface, or form a ledge structure between first surface and the second surface.
9. panel construction method for making as claimed in claim 8, it is characterized in that: described panel construction also comprises many first function traces and a plurality of collets that are formed on the described second surface at least, described a plurality of second subfunction layer is respectively applied to connect described many first function traces, and respectively described many first function traces are connected to ppu, described a plurality of collets are covered on many described first function traces of institute, and described a plurality of collets and described a plurality of second subfunction layer are made in same technology in the lump.
10. panel construction method for making as claimed in claim 9, it is characterized in that: the second subfunction layer that is arranged on described second functional layer overlaps with the 3rd projection of subfunction layer on described first surface in the projection on the described first surface, and first surface and second surface constitute a continuous and smooth plane.
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| CN2013102558925A CN103336613A (en) | 2013-06-19 | 2013-06-19 | Panel structure and manufacturing method thereof |
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| CN2013102558925A CN103336613A (en) | 2013-06-19 | 2013-06-19 | Panel structure and manufacturing method thereof |
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| CN103336613A true CN103336613A (en) | 2013-10-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110503039A (en) * | 2019-08-22 | 2019-11-26 | Oppo广东移动通信有限公司 | Fingerprint sensor, display component device and electronic equipment |
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| CN103116426A (en) * | 2012-11-20 | 2013-05-22 | 漳州宝发光电科技有限公司 | Composite material type touch screen and production technology thereof |
| CN203299799U (en) * | 2013-06-19 | 2013-11-20 | 深圳莱宝高科技股份有限公司 | Faceplate structure |
| JP5638322B2 (en) * | 2010-09-03 | 2014-12-10 | 京セラ株式会社 | Touch panel and portable communication terminal |
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| JP5638322B2 (en) * | 2010-09-03 | 2014-12-10 | 京セラ株式会社 | Touch panel and portable communication terminal |
| CN102830831A (en) * | 2011-06-17 | 2012-12-19 | 深圳莱宝高科技股份有限公司 | Production method of panel structures |
| CN102520831A (en) * | 2011-11-16 | 2012-06-27 | 浙江金徕镀膜有限公司 | Shielding structure and capacitive touch panel adopting same |
| CN103116426A (en) * | 2012-11-20 | 2013-05-22 | 漳州宝发光电科技有限公司 | Composite material type touch screen and production technology thereof |
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| CN110503039A (en) * | 2019-08-22 | 2019-11-26 | Oppo广东移动通信有限公司 | Fingerprint sensor, display component device and electronic equipment |
| CN110503039B (en) * | 2019-08-22 | 2022-11-15 | Oppo广东移动通信有限公司 | Fingerprint sensor, display module device and electronic equipment |
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Application publication date: 20131002 |