CN108219696B - Protective film for protecting optical hole of cover glass - Google Patents
Protective film for protecting optical hole of cover glass Download PDFInfo
- Publication number
- CN108219696B CN108219696B CN201810017806.XA CN201810017806A CN108219696B CN 108219696 B CN108219696 B CN 108219696B CN 201810017806 A CN201810017806 A CN 201810017806A CN 108219696 B CN108219696 B CN 108219696B
- Authority
- CN
- China
- Prior art keywords
- layer
- film
- cover glass
- adhesive
- adhesive layer
- 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.)
- Expired - Fee Related
Links
- 239000006059 cover glass Substances 0.000 title claims abstract description 48
- 230000001681 protective effect Effects 0.000 title claims abstract description 40
- 230000003287 optical effect Effects 0.000 title abstract description 70
- 239000010410 layer Substances 0.000 claims abstract description 82
- 239000012790 adhesive layer Substances 0.000 claims abstract description 45
- 239000011521 glass Substances 0.000 claims abstract description 20
- 230000002093 peripheral effect Effects 0.000 claims abstract description 9
- 239000000758 substrate Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 abstract description 15
- 239000000853 adhesive Substances 0.000 abstract description 14
- 230000001070 adhesive effect Effects 0.000 abstract description 14
- 238000004140 cleaning Methods 0.000 abstract description 10
- 239000003292 glue Substances 0.000 description 9
- 239000004642 Polyimide Substances 0.000 description 2
- 239000002313 adhesive film Substances 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- -1 Polyethylene Terephthalate Polymers 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000011112 polyethylene naphthalate Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
- C09J2203/326—Applications of adhesives in processes or use of adhesives in the form of films or foils for bonding electronic components such as wafers, chips or semiconductors
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/20—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself
- C09J2301/204—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself the adhesive coating being discontinuous
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2433/00—Presence of (meth)acrylic polymer
- C09J2433/006—Presence of (meth)acrylic polymer in the substrate
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2467/00—Presence of polyester
- C09J2467/006—Presence of polyester in the substrate
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2479/00—Presence of polyamine or polyimide
- C09J2479/08—Presence of polyamine or polyimide polyimide
- C09J2479/086—Presence of polyamine or polyimide polyimide in the substrate
Landscapes
- Laminated Bodies (AREA)
- Surface Treatment Of Glass (AREA)
- Surface Treatment Of Optical Elements (AREA)
Abstract
A protective film for protecting an optical hole of a cover glass, comprising: a first film layer having an optical aperture protection region and a peripheral region surrounding the optical aperture protection region; and the first adhesive layer is arranged above the peripheral area of the first film layer, is used between the covering glass and the first film layer and does not contact with the optical hole of the covering glass. Because the first adhesive layer does not contact the optical hole, the problem that the optical hole is polluted by the adhesive can not occur, and an additional cleaning process is not needed in the follow-up process.
Description
Technical Field
The invention relates to a protective film for protecting an optical hole of cover glass.
Background
In order to protect the optical hole of the cover glass, a protective film is generally attached to the optical hole. However, the protective film has an adhesive thereon, which may contaminate the optical aperture, thereby requiring an additional cleaning process to remove the adhesive.
Disclosure of Invention
The invention aims to provide a protective film for protecting an optical hole of a cover glass, which comprises a first film layer and a first adhesive layer, wherein the first adhesive layer is not in contact with the optical hole, so that the problem that the optical hole is polluted by adhesive can be avoided. Therefore, no additional cleaning process is required to be performed subsequently.
The present invention provides a protective film for protecting an optical hole of a cover glass, comprising: a first film layer having an optical aperture protection region and a peripheral region surrounding the optical aperture protection region; and the first adhesive layer is arranged above the peripheral area of the first film layer, is used between the covering glass and the first film layer and does not contact with the optical hole of the covering glass.
According to some embodiments of the present invention, the cover glass includes a glass substrate and a printed layer disposed on the glass substrate, the printed layer having an opening defined as an optical hole.
According to some embodiments of the present invention, the first adhesive layer is not disposed over the optical hole protection region of the first film layer.
According to several embodiments of the present invention, the protective film further comprises: the release film or the adhesive-free film is arranged above the optical hole protection area of the first film layer and is used for facing the optical hole.
According to some embodiments of the present invention, the first adhesive layer is further disposed above the optical hole protection region of the first film layer, and the protection film further comprises: the second film layer is arranged above the optical hole protection area of the first adhesive layer; and the second adhesive layer is arranged above the periphery of the second film layer, is used between the covering glass and the second film layer and does not contact with the optical hole of the covering glass.
According to several embodiments of the present invention, the second layer contacts the optical aperture protection area of the first layer.
According to some embodiments of the present invention, the cover glass includes a glass substrate and a printed layer disposed on the glass substrate, the printed layer having an opening defined as an optical hole.
According to some embodiments of the present invention, the second adhesive layer is disposed to contact the printed layer.
According to some embodiments of the present invention, the bonding strength between the second adhesive layer and the printing layer is greater than the bonding strength between the first adhesive layer and the second film layer.
According to some embodiments of the present invention, the bonding strength between the second adhesive layer and the second film layer is greater than the bonding strength between the first adhesive layer and the second film layer.
Drawings
In order to make the aforementioned and other objects, features, advantages and embodiments of the invention more comprehensible, the following description is given:
FIG. 1 is a schematic top view of a cover glass according to several embodiments of the present invention.
FIG. 2 is a schematic cross-sectional view of a cover glass taken along line 2-2' of FIG. 1 according to several embodiments of the present invention.
FIG. 3 is a schematic top view of a first film layer and a first glue layer of a protective film according to several embodiments of the invention.
FIG. 4 is a schematic cross-sectional view of a protective film for protecting an optical aperture of a cover glass according to several embodiments of the present invention.
FIG. 5 is a schematic cross-sectional view of a protective film and a cover glass according to several embodiments of the present invention.
FIG. 6 is a cross-sectional view of a protective film for protecting an optical aperture of a cover glass according to several embodiments of the present invention.
FIG. 7 is a schematic cross-sectional view of a protective film and a cover glass according to several embodiments of the present invention.
FIG. 8 is a cross-sectional view of a protective film for protecting an optical aperture of a cover glass according to several embodiments of the present invention.
FIG. 9 is a cross-sectional view of a protective film for protecting an optical aperture of a cover glass according to several embodiments of the present invention.
FIG. 10 is a schematic cross-sectional view of a protective film and a cover glass according to several embodiments of the present invention.
FIG. 11 is a schematic cross-sectional view of a protective film and a cover glass according to several embodiments of the present invention.
FIG. 12 is a schematic cross-sectional view of a protective film and a cover glass according to several embodiments of the invention.
Reference numerals:
100: covering glass
110: glass substrate
120: printing layer
122: optical aperture
200A, 200B, 200C, 200D: protective film
210: first film layer
212: optical aperture protection zone
214: peripheral region
220: first adhesive layer
230: from type film or do not have glued membrane
240: second film layer
250: second adhesive layer
Detailed Description
Various embodiments or examples of the disclosure are provided below to achieve various technical features of the provided subject matter. The components and design of the following embodiments are presented to simplify the present disclosure. These are, of course, merely examples and are not intended to limit the disclosure. For example, the description discloses forming a first feature over a second feature, including embodiments in which the first feature and the second feature are formed in direct contact, and also including embodiments in which additional features are formed between the first feature and the second feature, i.e., the first feature and the second feature are not in direct contact. In addition, repeated reference characters and/or letters may be used in various examples of the disclosure. These repeated symbols or words are provided for simplicity and clarity and are not intended to limit the relationship of the various embodiments and/or structures described.
Spatially relative terms, such as "lower" and "upper," are used herein to describe one element or feature's relationship to another element or feature in the figures. These spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may be otherwise oriented (e.g., rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
The cover glass is cleaned prior to attaching the cover glass to a sensor or liquid crystal display module (LCM). Then, a protective film is attached to the back surface (i.e. the surface provided with the printing layer) of the cover glass to avoid the adverse effect caused by the subsequent process. However, the protective film is also attached to the optical hole, and the adhesive may contaminate the optical hole, which may require an additional cleaning process to remove the adhesive.
Accordingly, the present invention provides a protective film for protecting an optical hole of a cover glass, which comprises a first film layer and a first adhesive layer, wherein the first adhesive layer does not contact the optical hole, and therefore, the problem that the optical hole is polluted by adhesive can not occur. Therefore, additional cleaning process is not needed in the subsequent process, and the cost of the cleaning process is saved. Several embodiments of the protective film will be described in detail below.
FIG. 1 is a schematic top view of a cover glass according to several embodiments of the present invention. FIG. 2 is a schematic cross-sectional view of a cover glass taken along line 2-2' of FIG. 1 according to several embodiments of the present invention. As shown in fig. 1 and 2, the cover glass 100 includes a glass substrate 110 and a printed layer 120. The printing layer 120 is disposed above the glass substrate 110. In some embodiments, as shown in fig. 1, the print layer 120 is disposed over the periphery of the glass substrate 110. In some embodiments, the print layer 120 is a black ink layer or layer. In some embodiments, the printed layer 120 has an opening, which is defined as an optical aperture 122 (or a camera aperture).
FIG. 3 is a schematic top view of a first film layer and a first glue layer of a protective film according to several embodiments of the invention. As shown in fig. 3, the protection film 200A includes a first film layer 210 and a first glue layer 220. The first layer 210 has an optical aperture protection area 212 and a peripheral area 214. The perimeter region 214 surrounds the optical aperture protection region 212. In some embodiments, the first film layer 210 includes a plastic substrate, such as Polyimide (Polyimide), Polyethylene Terephthalate (PET), Polyethylene Naphthalate (PEN), or polymethyl methacrylate (PMMA). In some embodiments, the first adhesive layer 220 has an opening corresponding to the optical hole protection area 212 of the first film layer 210, as shown in fig. 3.
FIG. 4 is a schematic cross-sectional view of a protective film for protecting an optical aperture of a cover glass according to several embodiments of the present invention. As shown in fig. 4, the first adhesive layer 220 is disposed on the peripheral region 214 of the first film layer 210. In some embodiments, as shown in fig. 4, the first glue layer 220 is not disposed over the optical hole protection area 212 of the first film layer 210.
FIG. 5 is a schematic cross-sectional view of a protective film and a cover glass according to several embodiments of the present invention. As shown in fig. 5, the protective film 200A is attached to the cover glass 100 such that the first adhesive layer 220 is disposed between the cover glass 100 and the first film layer 210, but does not contact the optical holes 122 (e.g., the bottom surface and the side surfaces of the optical holes 122) of the cover glass 100. Therefore, the problem that the optical hole is polluted by the adhesive can not occur, and the subsequent cleaning process is not required to be additionally carried out.
FIG. 6 is a cross-sectional view of a protective film for protecting an optical aperture of a cover glass according to several embodiments of the present invention. The difference between fig. 6 and fig. 4 is that the protection film 200B of fig. 6 further includes a release film or a non-adhesive film 230 disposed above the optical hole protection region 212 of the first film layer 210. In some embodiments, the release or adhesive-free film 230 contacts the optical aperture-protecting region 212 of the first film layer 210. In some embodiments, a release film or adhesive-free film 230 is secured over the optical aperture-protecting region 212 of the first film layer 210. In some embodiments, the outwardly facing surface of the release or adhesive-free film 230 is either release adhesive or adhesive-free.
FIG. 7 is a schematic cross-sectional view of a protective film and a cover glass according to several embodiments of the present invention. As shown in fig. 7, the protective film 200B is attached to the cover glass 100 such that the release film or adhesive-free film 230 faces the optical holes 122 of the cover glass 100. Since the surface of the release film or the adhesive-free film 230 facing the optical holes 122 has only release adhesive or no adhesive, it will not contaminate the optical holes, and thus no additional cleaning process is required.
FIG. 8 is a cross-sectional view of a protective film for protecting an optical aperture of a cover glass according to several embodiments of the present invention. The difference between fig. 8 and fig. 6 is that the first glue layer 220 of the protection film 200C of fig. 8 is further disposed above the optical hole protection area 212 of the first film layer 210. The release film or adhesive-free film 230 is disposed above the optical hole protection area 212 of the first adhesive layer 220. In some embodiments, the release film or adhesive-free film 230 contacts the optical aperture protection area 212 of the first adhesive layer 220. In some embodiments, a release film or adhesive-free film 230 is secured over the optical aperture protection area 212 of the first adhesive layer 220.
FIG. 9 is a schematic cross-sectional view of a protective film and a cover glass according to several embodiments of the present invention. As shown in fig. 9, the protective film 200C is attached to the cover glass 100 such that the release film or adhesive-free film 230 faces the optical holes 122 of the cover glass 100. Since the release film or the non-adhesive film 230 has the release adhesive or does not contain the adhesive on the surface facing the optical holes 122, it does not contaminate the optical holes, and thus, no additional cleaning process is required to be performed subsequently.
FIG. 10 is a cross-sectional view of a protective film for protecting an optical aperture of a cover glass according to several embodiments of the present invention. The difference between fig. 10 and fig. 4 is that the first glue layer 220 of the protection film 200D of fig. 10 is further disposed above the optical hole protection area 212 of the first film layer 210.
In addition, another difference between fig. 10 and fig. 4 is that the protection film 200D of fig. 10 further includes a second film layer 240 and a second glue layer 250. As shown in fig. 10, the second film layer 240 is disposed on the optical hole protection region 212 of the first adhesive layer 220. The second adhesive layer 250 is disposed above the periphery of the second film layer 240. In some embodiments, the second adhesive layer 250 forms a closed shape. In some embodiments, the second film layer 240 contacts the optical aperture protection region 212 of the first glue layer 220.
FIG. 11 is a schematic cross-sectional view of a protective film and a cover glass according to several embodiments of the present invention. As shown in fig. 11, the protective film 200D is attached to the cover glass 100 such that the second adhesive layer 250 is interposed between the cover glass 100 and the second film layer 240, but does not contact the optical holes 122 of the cover glass 100. Therefore, the problem that the optical hole is polluted by the adhesive can not occur, and the subsequent cleaning process is not required to be additionally carried out.
In some embodiments, as shown in fig. 11, a second glue layer 250 is provided to contact the printed layer 120. In some embodiments, the bonding strength between the second adhesive layer 250 and the printed layer 120 is greater than the bonding strength between the first adhesive layer 220 and the second film layer 240. In some embodiments, the bonding strength between the second adhesive layer 250 and the second film 240 is greater than the bonding strength between the first adhesive layer 220 and the second film 240. As a result, in the subsequent processes, the first film 210 and the first adhesive layer 220 can be removed, and the second film 240 and the second adhesive layer 250 are left to continuously protect the optical holes 122, as shown in fig. 11 and 12. Finally, the second film 240 and the second adhesive layer 250 are removed.
The foregoing briefly describes the features of various embodiments so that others skilled in the art may better understand the aspects of the present disclosure. Those skilled in the art should appreciate that they may readily use the present disclosure as a basis for designing or modifying other processes and structures for carrying out the same purposes and/or achieving the same advantages of the embodiments introduced herein. Those skilled in the art should also realize that such equivalent constructions do not depart from the spirit and scope of the present disclosure, and that they may make various changes, substitutions, and alterations herein without departing from the spirit and scope of the present disclosure.
Claims (4)
1. The utility model provides a be used for protecting protection film that covers glass's hole of making a video recording, its characterized in that, should cover glass and include a glass substrate and a printing layer and set up on this glass substrate, this printing layer has an opening to define and is this hole of making a video recording, and this protection film contains:
the first film layer is provided with a camera hole protection area and a peripheral area surrounding the camera hole protection area;
the first adhesive layer is arranged above the camera hole protection area and the peripheral area of the first film layer, and the first adhesive layer is arranged between the cover glass and the first film layer and does not contact the camera hole of the printing layer of the cover glass;
the second film layer is arranged above the camera hole protection area of the first adhesive layer; and
and the second adhesive layer is arranged above the periphery of the second film layer, is used between the covering glass and the second film layer and does not contact the camera hole of the covering glass, and the bonding strength of the second adhesive layer and the printing layer is greater than that of the first adhesive layer and the second film layer.
2. The protective film according to claim 1, wherein the second film layer contacts the camera hole protection area of the first adhesive layer.
3. The protective film of claim 1, wherein the second adhesive layer is disposed to contact the printed layer.
4. The protective film according to claim 1, wherein the adhesion strength between the second adhesive layer and the second film layer is greater than the adhesion strength between the first adhesive layer and the second film layer.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810017806.XA CN108219696B (en) | 2018-01-09 | 2018-01-09 | Protective film for protecting optical hole of cover glass |
| TW107101316A TWI658942B (en) | 2018-01-09 | 2018-01-12 | Protective film for protecting optical hole of cover glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810017806.XA CN108219696B (en) | 2018-01-09 | 2018-01-09 | Protective film for protecting optical hole of cover glass |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108219696A CN108219696A (en) | 2018-06-29 |
| CN108219696B true CN108219696B (en) | 2021-03-16 |
Family
ID=62640353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810017806.XA Expired - Fee Related CN108219696B (en) | 2018-01-09 | 2018-01-09 | Protective film for protecting optical hole of cover glass |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108219696B (en) |
| TW (1) | TWI658942B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202258156U (en) * | 2011-10-08 | 2012-05-30 | 鹿明科技股份有限公司 | Protective sheets for electronic devices |
| US20130230680A1 (en) * | 2012-03-02 | 2013-09-05 | Shen-Hsin CHENG | Protective film for a portable electronic device |
| CN204143402U (en) * | 2014-09-29 | 2015-02-04 | 惠州比亚迪实业有限公司 | A kind of touch-screen and display device thereof |
| CN106155391A (en) * | 2015-04-15 | 2016-11-23 | 深圳市骏达光电股份有限公司 | A kind of ink hole protecting film and touch panel assembly |
| CN206589413U (en) * | 2017-01-10 | 2017-10-27 | 深圳捷尔信电子有限公司 | A kind of safety glass diaphragm with silk-screen |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8940122B2 (en) * | 2010-03-12 | 2015-01-27 | Wrapsol Acquisition, Llc | Protective adhesive film, method of adhering protective adhesive film to a device, and device comprising protective adhesive film |
| TW201431698A (en) * | 2013-02-06 | 2014-08-16 | Crimson Design Co Ltd | Protective film structure and method of application thereof |
| CN204498184U (en) * | 2015-04-17 | 2015-07-22 | 深圳辉烨通讯技术有限公司 | Smartphone with camera head protection structure |
-
2018
- 2018-01-09 CN CN201810017806.XA patent/CN108219696B/en not_active Expired - Fee Related
- 2018-01-12 TW TW107101316A patent/TWI658942B/en active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202258156U (en) * | 2011-10-08 | 2012-05-30 | 鹿明科技股份有限公司 | Protective sheets for electronic devices |
| US20130230680A1 (en) * | 2012-03-02 | 2013-09-05 | Shen-Hsin CHENG | Protective film for a portable electronic device |
| CN204143402U (en) * | 2014-09-29 | 2015-02-04 | 惠州比亚迪实业有限公司 | A kind of touch-screen and display device thereof |
| CN106155391A (en) * | 2015-04-15 | 2016-11-23 | 深圳市骏达光电股份有限公司 | A kind of ink hole protecting film and touch panel assembly |
| CN206589413U (en) * | 2017-01-10 | 2017-10-27 | 深圳捷尔信电子有限公司 | A kind of safety glass diaphragm with silk-screen |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI658942B (en) | 2019-05-11 |
| TW201930067A (en) | 2019-08-01 |
| CN108219696A (en) | 2018-06-29 |
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Granted publication date: 20210316 |