KR102026090B1 - A protection film providing protection function of privacy - Google Patents
A protection film providing protection function of privacy Download PDFInfo
- Publication number
- KR102026090B1 KR102026090B1 KR1020180047012A KR20180047012A KR102026090B1 KR 102026090 B1 KR102026090 B1 KR 102026090B1 KR 1020180047012 A KR1020180047012 A KR 1020180047012A KR 20180047012 A KR20180047012 A KR 20180047012A KR 102026090 B1 KR102026090 B1 KR 102026090B1
- Authority
- KR
- South Korea
- Prior art keywords
- protective film
- screen
- lcd
- image
- lens sheet
- Prior art date
Links
- 239000010408 films Substances 0 abstract claims description title 123
- 230000004224 protection Effects 0 abstract claims description title 43
- 230000001681 protective Effects 0 abstract claims description 118
- 239000010410 layers Substances 0 abstract claims description 51
- 239000011247 coating layers Substances 0 abstract claims description 19
- 239000000463 materials Substances 0 abstract claims description 15
- 230000001070 adhesive Effects 0 abstract claims description 10
- 239000000853 adhesives Substances 0 abstract claims description 10
- 230000000875 corresponding Effects 0 abstract claims description 4
- 229920001296 polysiloxanes Polymers 0 abstract description 6
- 230000002633 protecting Effects 0 abstract description 6
- 230000036651 mood Effects 0 abstract description 5
- 230000014860 sensory perception of taste Effects 0 abstract description 5
- 230000035917 taste Effects 0 abstract description 5
- 235000019640 taste Nutrition 0 abstract description 5
- 230000001976 improved Effects 0 abstract description 3
- 230000004044 response Effects 0 claims description 2
- 239000002210 silicon-based materials Substances 0 claims 1
- 230000000694 effects Effects 0 description 4
- 238000010276 construction Methods 0 description 2
- 239000000047 products Substances 0 description 2
- 239000003826 tablets Substances 0 description 2
- 230000003796 beauty Effects 0 description 1
- 230000001965 increased Effects 0 description 1
- 238000000034 methods Methods 0 description 1
- 230000003405 preventing Effects 0 description 1
- 230000002265 prevention Effects 0 description 1
- 238000010010 raising Methods 0 description 1
- 230000035939 shock Effects 0 description 1
- 230000007958 sleep Effects 0 description 1
- 238000002834 transmittance Methods 0 description 1
- 238000007514 turning Methods 0 description 1
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
- G02B5/0215—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having a regular structure
-
- 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 material as adhesives
- C09J183/00—Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Adhesives based on derivatives of such polymers
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/14—Protective coatings, e.g. hard coatings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0037—Arrays characterized by the distribution or form of lenses
- G02B3/005—Arrays characterized by the distribution or form of lenses arranged along a single direction only, e.g. lenticular sheets
Abstract
According to the protective film for providing a privacy protection function proposed in the present invention, by configuring a specific image layer formed with a specific image to be formed on one end of the protective film lens sheet, the image displayed on the LCD when the user views the screen from the front Is displayed normally, and when the user views the screen from the side or the top and bottom, the image of a certain image layer is overlaid with the screen image displayed on the LCD to protect the privacy through the screen security function, and when the LCD screen is turned off, By making the image visible, the LCD screen with the screen turned off can look more colorful, which can be enjoyed by consumers who value fashion and can be used as a new fashion item according to consumer needs.
In addition, according to the present invention, by further comprising a flat coating layer on the protective film lens sheet and the protective film on which a specific image layer is formed, to prevent the deterioration of the touch feeling of the user device, the configuration of the hard material of the flat coating layer Surface scratch protection and LCD screen protection can be enabled through.
In addition, the present invention, by further comprising an adhesive layer of a detachable silicone material, which can be detachably attached to the LCD of the user device, the user can change the protective film formed with a different specific image according to the mood of the day It can be used while going, and can be used as a fashion item that suits the interest and user's taste that can increase the user's fun accordingly can be further improved.
Description
The present invention relates to a protective film that provides a privacy protection function, and more particularly, attached to an LCD of a user device including a mobile phone, a smartphone, and a tablet PC, and displayed on the LCD when the user views the screen of the user device from the front. Protection that provides a privacy feature that ensures that the displayed image is normal, and that when the user views the screen of the user's device from the side or top and bottom, the image of a certain image layer overlaps with the screen image displayed on the LCD. It is about a film.
In general, a user device is a user device that performs various functions while being carried by a user, such as a mobile phone, a smartphone, a tablet PC, and the like. In most of these user devices, the screen may be easily damaged due to collision or friction during use. It is generally used with a protective case. In this case, the protective case is used to protect the user device from damage caused by external impact or friction, and is mainly configured to cover a case having a size corresponding to the shape of the target user device. Conventional protective cases are being developed with an emphasis on the function of storing a portable terminal and protecting it from external shocks (see Utility Model Application No. 20-2012-0003656).
On the other hand, the screen of a general user device, i.e., a portable terminal, uses an LCD or an organic EL, and constitutes a display screen of the user device. Korean Patent Laid-Open No. 10-2014-0103234 discloses a portable terminal case including a three-dimensional viewing window as a prior art document. This prior art document is a portable terminal case including a three-dimensional viewing window, it is only present a function to give a three-dimensional stereoscopic or image change effect to the image displayed through the display window of the terminal by adding a three-dimensional film to the simple mobile phone case. Accordingly, when a user views an image or an image displayed through the display window, even if people located nearby look at the user's screen together, the user's screen is the same as the user's privacy, thereby causing a violation of the user's privacy. .
The present invention has been proposed to solve the above problems of the conventionally proposed methods, by configuring a specific image layer on which a specific image is formed to be formed at one end of the protective film lens sheet, when the user views the screen from the front When the image displayed on the screen is displayed normally, and the user views the screen from the side or the top and bottom, the image of a certain image layer is overlapped with the screen image displayed on the LCD to protect the privacy through the screen security function. In the off state, certain images can be seen so that the LCD screen with the screen turned off can look more colorful, which can be enjoyed by consumers who value fashion and can be used as a new fashion item that meets consumer needs. Protective film that provides protection Its purpose is to provide.
In addition, the present invention further comprises a flat coating layer on the protective film on which the protective film lens sheet and the specific image layer are formed, thereby preventing deterioration of the touch feeling of the user device, and the construction of the hard material of the flat coating layer. It is another object of the present invention to provide a protective film that provides privacy protection, which enables surface scratch prevention and protection of the LCD screen.
In addition, the present invention, by further comprising an adhesive layer of a detachable silicone material, which can be detachably attached to the LCD of the user device, the user can change the protective film formed with a different specific image according to the mood of the day Another feature is to provide a protective film that provides privacy features that can be used on the go and that can be used as a fashion item that fits the user's taste and interest to increase the user's fun. The purpose.
Protective film for providing a privacy protection function according to the features of the present invention for achieving the above object,
As a protection film to provide a privacy function,
A protective film lens sheet having a lens structure in which a plurality of semi-circular convex lenses are arranged in parallel and allowing a user to view an image displayed on an LCD of the user device; And
Corresponding to the shape of the protective film lens sheet, including a specific image layer formed on one end of the protective film lens sheet,
The protective film,
When the user views the screen of the user device from the front, the image displayed on the LCD is displayed normally. When the user views the screen of the user device from the side or the upper and lower sides, the image of a certain layer of image overlaps the screen image displayed on the LCD. To have a screen security function.
Preferably, the protective film lens sheet,
It may be configured as a lenticular lens, or may have a lens structure similar to the lenticular lens.
More preferably, the specific image layer is
A plurality of images may be repeatedly arranged in order so that different images may be displayed and displayed according to an angle viewed by a person.
Even more preferably, the particular image layer is
The area visible from the front surface of the protective film lens sheet of the protective film may be transparent, and a specific image may be formed in the remaining areas.
Preferably, the specific image layer is
In response to the protective film lens sheet, a specific image may be printed or formed in a sheet form and attached.
More preferably, the protective film,
Since the upper surface of the protective film lens sheet is curved so that the touch feeling is poor when touched on the top of the protective film, the upper surface of the protective film may further comprise a flat coating layer formed on the upper portion of the protective film lens sheet. Can be.
Even more preferably, the planar coating layer is
Although the protective film lens sheet and the material having a different refractive index may be used, it may be made of a hard hard material to prevent surface scratches according to the user's touch.
Even more preferably, the protective film,
Removable to the LCD of the user device, it can be configured to further include a silicone adhesive layer that can be used repeatedly.
According to the protective film for providing a privacy protection function proposed in the present invention, by configuring a specific image layer formed with a specific image to be formed on one end of the protective film lens sheet, the image displayed on the LCD when the user views the screen from the front Is displayed normally, and when the user views the screen from the side or the top and bottom, the image of a certain image layer is overlaid with the screen image displayed on the LCD to protect the privacy through the screen security function, and when the LCD screen is turned off, By making the image visible, the LCD screen with the screen turned off can look more colorful, which can be enjoyed by consumers who value fashion and can be used as a new fashion item according to consumer needs.
In addition, according to the present invention, by further comprising a flat coating layer on the protective film lens sheet and the protective film on which a specific image layer is formed, to prevent the deterioration of the touch feeling of the user device, the configuration of the hard material of the flat coating layer Surface scratch protection and LCD screen protection can be enabled through.
In addition, the present invention, by further comprising an adhesive layer of a detachable silicone material, which can be detachably attached to the LCD of the user device, the user can change the protective film formed with a different specific image according to the mood of the day It can be used while going, and can be used as a fashion item that suits the interest and user's taste that can increase the user's fun accordingly can be further improved.
1 is a schematic view showing a protective film applied to a user device providing a privacy protection function according to an embodiment of the present invention.
Figure 2 is a diagram showing the configuration of a protective film for providing a privacy protection function according to an embodiment of the present invention as a functional block.
Figure 3 is a view showing the side configuration of the protective film to provide a privacy protection function according to an embodiment of the present invention.
4 is a view showing a configuration of an example of an implementation of a specific image layer applied to a protective film for providing a privacy protection function according to an embodiment of the present invention.
5 is a view showing an example of a configuration in which a specific image layer is attached to a protective film lens sheet applied to a protective film providing a privacy protection function according to an embodiment of the present invention.
Figure 6 is a view showing for explaining the principle of viewing a different image according to the angle of the person viewing the protective film for providing a privacy protection function according to an embodiment of the present invention.
Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. However, in describing the preferred embodiment of the present invention in detail, if it is determined that the detailed description of the related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted. In addition, the same reference numerals are used throughout the drawings for parts having similar functions and functions.
In addition, in the specification, when a part is 'connected' to another part, it is not only 'directly connected' but also 'indirectly connected' with another element in between. Include. In addition, the term 'comprising' of an element means that the element may further include other elements, not to exclude other elements unless specifically stated otherwise.
1 is a view showing a schematic configuration in which a protective film providing a privacy protection function according to an embodiment of the present invention is applied to a user device, Figure 2 provides a privacy protection function according to an embodiment of the present invention Figure 3 is a view showing the configuration of the protective film to the functional block, Figure 3 is a view showing the side configuration of the protective film providing a privacy protection function according to an embodiment of the present invention, Figure 4 is an embodiment of the present invention FIG. 5 is a view illustrating a configuration of an example of an implementation of a specific image layer applied to a protective film providing a privacy protection function according to an example, and FIG. 5 is applied to a protection film providing a privacy protection function according to an embodiment of the present invention. FIG. 6 is a diagram illustrating an example in which a specific image layer is attached to a protective film lens sheet, and FIG. 6 is a protection providing a privacy protection function according to an embodiment of the present invention. It is a figure for demonstrating the principle which an image shows according to the angle which a person of a film sees. As shown in FIGS. 1 to 6, the protective film 100 that provides a privacy protection function according to an embodiment of the present invention includes a protective film lens sheet 110 and a specific image layer 120. It may be configured to include, and may further comprise any one or both of the planar coating layer 130, and the adhesive layer 140.
In the protective film 100 that provides a privacy protection function according to an embodiment of the present invention, as shown in FIG. 1, in a state where the user is attached to the LCD of the user device 10 that the user uses, When viewing the screen of the user device 10 to which the protective film 100 is attached, the image displayed on the LCD of the user device 10 can be normally viewed, and the display of the LCD of the user device 10 on the side or the top and bottom surfaces thereof. If you see the image is pre-printed on the protective film 100 is overlaid with the LCD screen image so that the information displayed on the LCD screen is not seen clean, so that it can have a screen security function. In addition, when the display screen of the LCD of the user device 10 is turned off and turned off, the information displayed on the LCD disappears, so only the information printed on the protective film 100 can be viewed. By turning off the display, the LCD screen with the screen turned off can look more colorful, which can be enjoyed according to the needs of consumers who value fashion. Hereinafter, the configuration of the protective film 100 according to the present invention will be described in detail.
The protective film lens sheet 110 of the protective film 100 has a lens structure in which a plurality of semi-circular convex lenses are arranged in parallel, as shown in FIGS. 3 and 5, respectively, and the user device 10. This is the configuration to allow the user to see the image displayed on the LCD. The protective film lens sheet 110 may be configured of a lenticular lens, or may have a lens structure similar to the lenticular lens. Here, the lens structure similar to the lenticular lens may be understood to mean a lenticular modified lens having the same or similar function as the lenticular lens.
The specific image layer 120 corresponds to the shape of the protective film lens sheet 110 and is formed at one end of the protective film lens sheet 110. The specific image layer 120 may be arranged in a plurality of images in sequence so that different images are displayed according to the viewing angle of the person. In this case, as shown in FIG. 4, the specific image layer 120 may be configured such that different images are divided into strips and arranged into interlaced images.
In addition, as shown in FIG. 4, the specific image layer 120 may be repeatedly printed with the A, B, C, D, and E images sequentially, and as shown in FIG. 5, the protective film lens sheet 110 may be used. If the specific image layer 120 is attached to the), as shown in FIG. 6, the A, C, and E images appear differently according to the angle at which the person views the lens. That is, when different images are seen according to the angle shown in FIG. 6, the C region seen from the front of the protective film lens sheet 110 is transparently processed, and a specific image is printed on the A and C regions. If you put it on the screen, the image displayed on the LCD screen is normally displayed when the user views the screen from the front, and the information displayed on the LCD overlaps with the image displayed on the LCD. The image displayed on the LCD is not clearly seen from the side, so it can have a security function. In addition, as an example, when an image having a certain degree of transmission is also printed in the area B, when the LCD is turned on and the bright image is displayed on the LCD, the image printed in the area B is slightly disturbed by the image displayed on the LCD. Although the light transmittance of the protective film 100 is increased, the image displayed on the LCD can be clearly seen. In addition, when the screen of the LCD is turned off, the images printed on A, C, and E are shown so that the LCD display window displays a specific image instead of just a black screen, and thus the user device 10 having such a protective film 100 attached thereto. In the case of billboards, it is possible to express extraordinary beauty.
In addition, the specific image layer 120 may be configured to transparently process an area visible from the front surface of the protective film lens sheet 110 of the protective film 100 and to form a specific image in the remaining areas. The specific image layer 120 may be formed in a form in which a specific image is printed or configured in a sheet form and attached to the protective film lens sheet 110.
Since the upper surface of the protective film lens sheet 110 is curved, the flat coating layer 130 has a poor touch feeling when the upper surface of the protective film lens 100 is touched, so that the upper surface of the protective film 100 is flat. It is a structure formed in the upper part of 110. The planar coating layer 130 may be made of a material having a different refractive index than that of the protective film lens sheet 110, and may be made of a hard material to prevent surface scratches according to a user's touch. Here, the planar coating layer 130 may use a product having a larger refractive index than the lenticular lens of the protective film lens sheet 110.
In addition, as shown in FIG. 3, when the lens structure of the protective film lens sheet 110 is a lenticular lens structure, the flat coating layer 130 may be attached to an LCD screen such as a mobile phone. In order to solve the problem that the surface is not flat and the touch feeling is dropped, it may be formed by raising a flat lens on the lens surface. When used in a typical billboard or the like, the configuration of the flat coating layer 130 may be omitted.
The adhesive layer 140 may be detachable to the LCD of the user device 10 and may be formed of a silicone material that may be repeatedly used. Once a conventional protective film is pasted on a mobile phone, it is generally not replaced until the protective film is damaged. However, in the case of the protective film 100 of the present invention in which a specific image is printed or attached, the same image is always seen, and thus becomes less interesting over time. In this case, if the protective film 100 is attached and detached freely, the mobile phone can be replaced with a protective film according to the mood of the day. Accordingly, the protective film 100 of the present invention can be attached to and detached from the LCD of the user device 10 by using the adhesive layer 140, thereby attaching the protective film 100 having various images printed to the user's taste. It is possible to, and can increase the fun of the user by the use of such a removable protective film 100.
On the other hand, the protective film 100 according to the present invention when the user sees the screen of the user device 10 in front of the image is normally displayed on the LCD, when the user sees the screen of the user device from the side or the upper and lower sides When the image of the image layer 120 overlaps the screen image displayed on the LCD so as to have a screen security function, but to implement an image that can give a 3D effect to the LCD screen of the user device 10, a protective film Through 100, the 3D effect may be applied to the image displayed on the LCD. That is, when the user device 10 such as a mobile phone enters the sleep mode, the general screen is turned on, and only an image such as a watch may be displayed. In this case, if the LCD display screen is implemented to give a 3D effect, a more stylish screen can be realized, which can make the product look different and satisfy various user's fashion needs.
As described above, the protective film for providing a privacy protection function according to an embodiment of the present invention, by configuring a specific image layer formed with a specific image to be formed on one end of the protective film lens sheet, the user can see the screen from the front When the image displayed on the LCD is displayed normally, and when the user views the screen from the side or the top and bottom, the image of a certain layer of image is overlapped with the screen image displayed on the LCD to protect the privacy through the screen security function. When the screen is turned off, a specific image can be seen so that the LCD screen with the screen turned off can be more colorful, which can be enjoyed by consumers who value fashion and can be used as a new fashion item according to consumer needs. . In addition, by further comprising a flat coating layer on the protective film lens sheet and the protective film on which a specific image layer is formed, to prevent the deterioration of the touch feeling of the user device, and to prevent surface scratch through the construction of the hard material of the flat coating layer And a protection layer of the LCD screen, and in particular, by further comprising an adhesive layer of a detachable silicone material that can be detachably attached to the LCD of the user device, thereby allowing the user to have different specific characteristics to suit the mood of the day. The protective film formed with the image can be used while changing, and thus, the usability can be further improved as a fashion item suitable for the user's taste and interest that can increase the user's fun.
The present invention described above may be variously modified or applied by those skilled in the art, and the scope of the technical idea according to the present invention should be defined by the following claims.
100: protective film providing a privacy protection function according to an embodiment of the present invention
110: protective film lens sheet
120: specific image layer
130: flat coating layer
140: adhesive layer
Claims (8)
- As a protective film 100 that provides a privacy protection function,
A protective film lens sheet 110 having a lens structure in which a plurality of semi-circular convex lenses are arranged in parallel and allowing a user to view an image displayed on an LCD of the user device 10; And
Corresponding to the shape of the protective film lens sheet 110, including an image layer 120 formed on one end of the protective film lens sheet 110,
The protective film 100,
When the user views the screen of the user device 10 from the front, the image displayed on the LCD through the image layer 120 and the protective film lens sheet 110 is normally seen, and the user device 10 is viewed from the side or the top and bottom surfaces thereof. When viewing the screen of the image layer 120 to have the screen security function by overlapping the screen image displayed on the LCD,
The image layer 120,
The plurality of images are arranged in order repeatedly, but a plurality of different images are divided into strips and arranged in an interlaced image,
The image layer 120,
The area visible from the front of the protective film lens sheet 110 of the protective film 100 is transparent, and the remaining area is configured to form a specific image,
The image layer 120,
In response to the protective film lens sheet 110, a specific image is printed or formed in a sheet form and attached.
The protective film 100,
Since the upper surface of the protective film lens sheet 110 is bent and the touch feeling is not good when the upper surface of the protective film 100 is touched, the upper portion of the protective film lens sheet 110 is flat so that the upper end of the protective film 100 is flat. A protective film for providing a privacy protection, characterized in that it further comprises a planar coating layer 130 is formed on.
- The method of claim 1, wherein the protective film lens sheet 110,
The protective film which provides a privacy function characterized by comprising with a lenticular lens.
- delete
- delete
- delete
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- The method of claim 1, wherein the flat coating layer 130,
The protective film lens sheet 110, but using a material that is different in refractive index, characterized in that consisting of a hard hard material to prevent surface scratches according to the user's touch, a protective film providing a privacy protection function.
- The method of claim 1, wherein the protective film 100,
Removable to the LCD of the user device 10, characterized in that it further comprises an adhesive layer 140 of a silicon material that can be used repeatedly, the protective film providing a privacy protection function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020180047012A KR102026090B1 (en) | 2018-04-23 | 2018-04-23 | A protection film providing protection function of privacy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020180047012A KR102026090B1 (en) | 2018-04-23 | 2018-04-23 | A protection film providing protection function of privacy |
Publications (1)
| Publication Number | Publication Date |
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| KR102026090B1 true KR102026090B1 (en) | 2019-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020180047012A KR102026090B1 (en) | 2018-04-23 | 2018-04-23 | A protection film providing protection function of privacy |
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| KR (1) | KR102026090B1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005221619A (en) * | 2004-02-04 | 2005-08-18 | Toppan Printing Co Ltd | Optical sheet, back-light, and liquid crystal display device |
| KR20060121216A (en) * | 2003-11-21 | 2006-11-28 | 나노벤션스 인코포레이션 | Micro-optic security and image presentation system |
| KR101336344B1 (en) * | 2013-02-15 | 2013-12-06 | 안재광 | Planar solid film comprising multiple layers with different refractive indices |
| JP2016192228A (en) * | 2011-10-05 | 2016-11-10 | 富士フイルム株式会社 | Conductive sheet, touch panel, and display |
| KR20170105272A (en) * | 2016-03-09 | 2017-09-19 | 삼성전자주식회사 | Display including sensing function and electronic device having the same |
-
2018
- 2018-04-23 KR KR1020180047012A patent/KR102026090B1/en active IP Right Grant
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060121216A (en) * | 2003-11-21 | 2006-11-28 | 나노벤션스 인코포레이션 | Micro-optic security and image presentation system |
| JP2005221619A (en) * | 2004-02-04 | 2005-08-18 | Toppan Printing Co Ltd | Optical sheet, back-light, and liquid crystal display device |
| JP2016192228A (en) * | 2011-10-05 | 2016-11-10 | 富士フイルム株式会社 | Conductive sheet, touch panel, and display |
| KR101336344B1 (en) * | 2013-02-15 | 2013-12-06 | 안재광 | Planar solid film comprising multiple layers with different refractive indices |
| KR20170105272A (en) * | 2016-03-09 | 2017-09-19 | 삼성전자주식회사 | Display including sensing function and electronic device having the same |
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