CN209821565U - Louver frame film and display device - Google Patents
Louver frame film and display device Download PDFInfo
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- CN209821565U CN209821565U CN201920787862.1U CN201920787862U CN209821565U CN 209821565 U CN209821565 U CN 209821565U CN 201920787862 U CN201920787862 U CN 201920787862U CN 209821565 U CN209821565 U CN 209821565U
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Abstract
A shutter framework film comprises a first electrode layer, a second electrode layer and a plurality of blades arranged at intervals, wherein a light-transmitting gap is formed between the blades, each blade is arranged between the first electrode layer and the second electrode layer and made of a light-tight material, one end of each blade is connected to the first electrode layer, the other end of each blade extends towards the direction close to the second electrode layer, and a mixture formed by liquid crystal particles and high molecular polymers is arranged between the first electrode layer and the second electrode layer; when no voltage is applied to the mixture, the mixture is in a fog shape; when a voltage was applied to the mixture, the mixture was transparent. The utility model discloses a shutter framework membrane can realize wide, narrow visual angle free switching, and the peep-proof effect is better. The utility model discloses still relate to a display device.
Description
Technical Field
The utility model relates to a liquid crystal display technology field, in particular to shutter framework membrane and display device.
Background
Liquid Crystal Display (LCD) devices have the advantages of good picture quality, small size, light weight, low driving voltage, low power consumption, no radiation and relatively low manufacturing cost, and are dominant in the field of flat panel displays.
Liquid crystal display devices are now gradually developed toward wide viewing angles, and wide viewing angles can be realized by using liquid crystal display devices of an in-plane switching mode (IPS) or a fringe field switching mode (FFS). The wide viewing angle design enables the user to see a complete and undistorted picture from all directions. However, in the current society, people pay more and more attention to protecting their privacy, and do not like to take out and share with people. In public places, the content is always expected to be kept secret when the user watches a mobile phone or browses a computer. Therefore, the display with single viewing angle mode has not been able to satisfy the user's requirement. In addition to the requirement of a wide viewing angle, there is also a need to be able to switch or adjust the display device to a narrow viewing angle mode where privacy is required. However, the switching between the wide and narrow viewing angles of the existing display device requires the addition of devices, which increases the production cost, for example, a PDLC film is disposed between the display panel and the backlight module to realize the switching between the wide and narrow viewing angles of the display device, but the light is redistributed when passing through the display panel, which causes the poor peeping prevention effect and fails to meet the user's requirements.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a shutter framework membrane can realize wide, narrow visual angle and freely switch, and the peep-proof effect is better.
A shutter framework film comprises a first electrode layer, a second electrode layer and a plurality of blades arranged at intervals, wherein a light-transmitting gap is formed between the blades, each blade is arranged between the first electrode layer and the second electrode layer and made of a light-tight material, one end of each blade is connected to the first electrode layer, the other end of each blade extends towards the direction close to the second electrode layer, and a mixture formed by liquid crystal particles and high molecular polymers is arranged between the first electrode layer and the second electrode layer; when no voltage is applied to the mixture, the mixture is in a fog shape; when a voltage was applied to the mixture, the mixture was transparent.
In an embodiment of the present invention, the above-mentioned louver frame film further includes a first diaphragm and a second diaphragm, the first diaphragm and the second diaphragm are disposed in parallel and oppositely, the first electrode layer is disposed on the first diaphragm, and the second electrode layer is disposed on the second diaphragm.
In an embodiment of the present invention, the first diaphragm and the second diaphragm are made of transparent soft or hard material; the first electrode layer and the second electrode layer are made of a transparent conductive material.
The utility model also provides a shutter framework membrane, including a plurality of blades that set up at intervals each other, form the printing opacity clearance between each this blade, each this blade includes first transparent electrode, second transparent electrode and electron ink, this first transparent electrode is parallel and relative setting along vertical direction with this second transparent electrode, this electron ink sets up between this first transparent electrode and this second transparent electrode; when voltage is applied to each blade, the electronic ink is adsorbed on the first transparent electrode or the second transparent electrode.
In an embodiment of the present invention, the above-mentioned louver frame film further includes a first diaphragm and a second diaphragm, the first diaphragm and the second diaphragm are disposed opposite to each other, each of the blades is disposed between the first diaphragm and the second diaphragm, and both ends of the first transparent electrode and the second transparent electrode are respectively connected to the first diaphragm and the second base film.
In the embodiment of the present invention, the first diaphragm is provided with a plurality of first adsorption electrodes, and the first adsorption electrodes are disposed on both sides of each of the blades; when a voltage is applied to the first adsorption electrode, the electronic ink is adsorbed at the corner between the first membrane and the blade.
In an embodiment of the present invention, a plurality of second adsorption electrodes are disposed on the second diaphragm, and the second adsorption electrodes are disposed on two sides of each of the blades; when voltage is applied to the second adsorption electrode, the electronic ink is adsorbed at the corner between the second membrane and the blade.
The utility model also provides a display device, including display panel and backlight unit, this display panel sets up on this backlight unit, and this display device still includes foretell shutter framework membrane, and this shutter framework membrane sets up on this display panel.
The utility model discloses an in the embodiment, above-mentioned display panel includes various membrane base plate, array substrate and liquid crystal layer, and this liquid crystal layer sets up between this various membrane base plate and this array substrate, and this shutter framework membrane sets up on this various membrane base plate.
In an embodiment of the present invention, the display panel further includes a control panel, and the control panel is electrically connected to the display panel, the backlight module and the louver frame respectively.
The utility model discloses a shutter framework membrane simple structure need not to increase the device, and low in manufacturing cost can realize wide, narrow visual angle and freely switch.
Drawings
Fig. 1 is a schematic cross-sectional view of a display device according to a first embodiment of the present invention.
Fig. 2 is a schematic diagram of a display device according to a first embodiment of the invention for realizing wide viewing angle display.
Fig. 3 is a schematic cross-sectional view of a display device according to a second embodiment of the present invention.
Fig. 4 is a schematic diagram of a display device according to a second embodiment of the present invention for realizing wide viewing angle display.
Fig. 5 is a schematic cross-sectional view of a display device according to a third embodiment of the present invention.
Fig. 6 is a schematic diagram of a display device according to a third embodiment of the present invention for implementing narrow viewing angle display.
Fig. 7 is a schematic sectional view of a display device according to a fourth embodiment of the present invention.
Detailed Description
First embodiment
Fig. 1 is a schematic cross-sectional view of a display device according to a first embodiment of the present invention, and as shown in fig. 1, the display device 100 includes a display panel 10, a backlight module 20, a louver frame film 30, and a control panel (not shown). The display panel 10 is disposed above the backlight module 20, the louver frame film 30 is disposed on the display panel 10, and the control panel is electrically connected to the display panel 10, the backlight module 20, and the louver frame film 30. In the embodiment, the control panel is used for controlling the display panel 10 to display images, the brightness of the backlight module 20 and applying a control voltage to the louver frame film 30, when the backlight emitted from the backlight module 20 passes through the display panel 10, the display panel 10 can display images, and the control panel applies the control voltage to the louver frame film 30, so that the display device 100 can be freely switched between the wide viewing angle display and the narrow viewing angle display.
As shown in fig. 1, the display panel 10 includes a color filter substrate 12, an array substrate 13, and a liquid crystal layer 14, where the color filter substrate 12 is disposed opposite to the array substrate 13, and the liquid crystal layer 14 is disposed between the color filter substrate 12 and the array substrate 13. For the specific structures of the color filter substrate 12 and the array substrate 14, please refer to the prior art, which is not described herein again. In the present embodiment, the louver frame film 30 is disposed on the color film substrate 12.
The backlight module 20 includes a bottom frame, a light source, a plastic frame, a reflective sheet, a light guide plate, an optical film, and the like, and for the specific structure of the backlight module 20, reference is made to the prior art, and details are not repeated here.
As shown in fig. 1, the louver frame film 30 includes a first film sheet 31, a second film sheet 32, a first electrode layer 33, a second electrode layer 34, and a plurality of vanes 35 disposed to be spaced apart from each other. The first film 31 and the second film 32 are parallel and opposite to each other, the first film 31 and the second film 32 are made of transparent soft or hard materials, and the first film 31 is disposed on the color film substrate 12. The first electrode layer 33 is disposed parallel to and opposite to the second electrode layer 34, the first electrode layer 33 and the second electrode layer 34 are made of a transparent conductive material, such as Indium Tin Oxide (ITO), the first electrode layer 33 is disposed on the first membrane 31, and the second electrode layer 34 is disposed on the second membrane 32. A light-transmitting gap 101 is formed between each of the blades 35, and light perpendicular to the louver frame film 30 can be emitted through the light-transmitting gap 101; each of the vanes 35 is provided between the first electrode layer 33 and the second electrode layer 34. In the present embodiment, each of the vanes 35 is a mixture of Liquid Crystal particles and a Polymer (PDLC).
Fig. 2 is a schematic view of the display device according to the first embodiment of the present invention, as shown in fig. 1 and fig. 2, when a voltage is applied to the mixture, the mixture is in a transparent state, that is, each of the vanes 35 is transparent, and the display device 100 implements wide viewing angle display, as shown in fig. 2; when no voltage is applied to the mixture, the mixture is in a mist shape, the blades 35 are opaque, and the display device 100 realizes a narrow viewing angle display, as shown in fig. 1.
Second embodiment
Fig. 3 is a schematic cross-sectional view of a display device according to a second embodiment of the present invention, and as shown in fig. 3, the display device 100 of the present embodiment has substantially the same structure as the display device 100 of the first embodiment, except that the structure of the louver frame film 30 is different.
Specifically, as shown in fig. 3, the louver frame film 30 includes a first membrane 31, a second membrane 32, a first electrode layer 33, a second electrode layer 34, and a plurality of vanes 35 disposed to be spaced apart from each other. The first film 31 and the second film 32 are parallel and opposite to each other, the first film 31 and the second film 32 are made of transparent soft or hard materials, and the first film 31 is disposed on the color film substrate 12. The first electrode layer 33 and the second electrode layer 34 are disposed in parallel and opposite to each other in a vertical direction, the first electrode layer 33 and the second electrode layer 34 are made of a transparent conductive material, such as Indium Tin Oxide (ITO), the first electrode layer 33 is disposed on the first film 31, and the second electrode layer 34 is disposed on the second film 32. A light-transmitting gap 101 is formed between each of the blades 35, each of the blades 35 is made of a light-proof material, light obliquely incident on the blade 35 is blocked, and light perpendicular to the louver frame film 30 can be emitted through the light-transmitting gap 101; each of the vanes 35 is provided between the first electrode layer 33 and the second electrode layer 34, one end of each of the vanes 35 is connected to the first electrode layer 33, and the other end of each of the vanes 35 extends in a direction toward the second electrode layer 34. In this embodiment, a mixture (PDLC) of Liquid Crystal particles and a Polymer is provided between the first electrode layer 33 and the second electrode layer 34.
Fig. 4 is a schematic view of a display device according to a second embodiment of the invention, which is shown in fig. 3 and 4, and when no voltage is applied to the mixture, the mixture is in a fog shape, light entering the mixture is scattered, and the display device 100 realizes wide-viewing-angle display, as shown in fig. 4; when a voltage is applied to the mixture, the mixture is in a transparent state, and each of the vanes 35 blocks light, so that the display device 100 realizes a narrow viewing angle display, as shown in fig. 3.
Third embodiment
Fig. 5 is a schematic cross-sectional view of a display device according to a third embodiment of the present invention, and as shown in fig. 5, the display device 100 of the present embodiment has substantially the same structure as the display device 100 of the first embodiment or the second embodiment, except that the structure of the louver frame film 30 is different.
Specifically, as shown in fig. 5, the louver frame film 30 includes a first diaphragm 31, a second diaphragm 32, and a plurality of vanes 35 disposed to be spaced apart from each other. The first film 31 and the second film 32 are parallel and opposite to each other, the first film 31 and the second film 32 are made of transparent soft or hard materials, and the first film 31 is disposed on the color film substrate 12.
Light-transmitting gaps 101 are formed between the vanes 35, and light perpendicular to the louver frame film 30 can be emitted through the light-transmitting gaps 101. Each of the blades 35 includes a first transparent electrode 351, a second transparent electrode 352, and an electronic ink 353, the first transparent electrode 351 is disposed opposite to the second transparent electrode 352, the first transparent electrode 351 and the second transparent electrode 352 are made of a transparent conductive material, such as Indium Tin Oxide (ITO), both ends of the first transparent electrode 351 and the second transparent electrode 352 are respectively connected to the first film 31 and the second film 32 perpendicularly, and the electronic ink 353 is disposed between the first transparent electrode 351 and the second transparent electrode 352.
Fig. 6 is a schematic view of a display device according to a third embodiment of the invention, as shown in fig. 5 and 6, when a voltage is applied to each of the vanes 35, the electronic ink 353 is adsorbed on the first transparent electrode 351 or the second transparent electrode 352, each of the vanes 35 appears opaque, and the display device 100 implements narrow viewing angle display, as shown in fig. 6; when no voltage is applied to each of the vanes 35, the electronic ink 353 is in a free state, and the display device 100 realizes wide viewing angle display, as shown in fig. 5.
Fourth embodiment
Fig. 7 is a schematic cross-sectional view of a display device according to a fourth embodiment of the present invention, and as shown in fig. 7, the display device 100 of the present embodiment has substantially the same structure as the display device 100 of the third embodiment, except that the structure of the louver frame film 30 is different.
Specifically, as shown in fig. 7, a plurality of first adsorption electrodes 36 are provided on the first membrane 31, and the first adsorption electrodes 36 are provided on both sides of each of the blades 35; when no voltage is applied to each of the blades 35, the display device 100 performs wide viewing angle display, and at this time, a voltage is applied to the first adsorption electrode 36, so that the electronic ink 353 is adsorbed at a corner between the first film 31 and the blade 35, thereby preventing the electronic ink 353 from being adsorbed on the first transparent electrode 351 or the second transparent electrode 352, and enabling the louver frame film 30 to have better light transmittance.
In another preferred embodiment, a plurality of second absorbing electrodes 37 are disposed on the second diaphragm 32, and a second absorbing electrode 37 is disposed on both sides of each blade 35; when no voltage is applied to each of the blades 35, the display device 100 performs wide viewing angle display, and at this time, a voltage is applied to the second adsorption electrode 37, so that the electronic ink 353 is adsorbed at a corner between the second film 32 and the blade 35, thereby preventing the electronic ink 353 from being adsorbed on the first transparent electrode 351 or the second transparent electrode 352, and improving the light transmittance of the louver frame film 30. In this embodiment, the voltages can be alternately applied to the first and second attraction electrodes 36 and 37 to prevent the electronic ink 353 from accumulating in a certain corner, thereby increasing the response speed of the electronic ink 353.
The utility model discloses a display device 100 simple structure need not to increase the device, and low in manufacturing cost can realize wide, narrow visual angle and freely switch. Moreover, the utility model discloses a shutter framework membrane 30 sets up on display panel 10, and the light that jets out from display panel 10 realizes wide visual angle or narrow visual angle after shutter framework membrane 30 and shows that the peep-proof effect is better.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention. The various features described in the foregoing detailed description may be combined in any suitable manner without departing from the scope of the invention. The invention is not described in detail in order to avoid unnecessary repetition.
Claims (10)
1. A shutter framework film is characterized by comprising a first electrode layer, a second electrode layer and a plurality of blades arranged at intervals, wherein a light-transmitting gap is formed between the blades, each blade is arranged between the first electrode layer and the second electrode layer, each blade is made of a light-tight material, one end of each blade is connected to the first electrode layer, the other end of each blade extends towards the direction close to the second electrode layer, and a mixture formed by liquid crystal particles and high polymer is arranged between the first electrode layer and the second electrode layer; when no voltage is applied to the mixture, the mixture is in a mist shape; when a voltage is applied to the mixture, the mixture is transparent.
2. The window shade film of claim 1, further comprising a first membrane disposed parallel to and opposite a second membrane, the first electrode layer disposed on the first membrane arrangement, the second electrode layer disposed on the second membrane arrangement.
3. The window shade framework film of claim 2, wherein the first membrane and the second membrane are made of transparent soft or hard materials; the first electrode layer and the second electrode layer are made of a transparent conductive material.
4. A shutter framework film is characterized by comprising a plurality of blades which are arranged at intervals, wherein a light-transmitting gap is formed between the blades, each blade comprises a first transparent electrode, a second transparent electrode and electronic ink, the first transparent electrode and the second transparent electrode are parallel and oppositely arranged along the vertical direction, and the electronic ink is arranged between the first transparent electrode and the second transparent electrode; when voltage is applied to each blade, the electronic ink is adsorbed on the first transparent electrode or the second transparent electrode.
5. The window shade film as claimed in claim 4, further comprising a first film and a second film, the first film and the second film being disposed opposite to each other, each of the vanes being disposed between the first film and the second film, both ends of the first transparent electrode and the second transparent electrode being connected to the first film and the second film, respectively.
6. The window shade framework film of claim 5, wherein the first film sheet is provided with a plurality of first adsorption electrodes, and both sides of each of the vanes are provided with the first adsorption electrodes; when a voltage is applied to the first adsorption electrode, the electronic ink is adsorbed at the corner between the first membrane and the blade.
7. The window shutter frame film as claimed in claim 6, wherein the second film sheet is provided with a plurality of second adsorption electrodes, and both sides of each of the blades are provided with the second adsorption electrodes; when voltage is applied to the second adsorption electrode, the electronic ink is adsorbed at the corner between the second membrane and the blade.
8. A display device comprising a display panel and a backlight module, the display panel being disposed on the backlight module, characterized in that the display device further comprises the louver frame film of any one of claims 1 to 7, the louver frame film being disposed on the display panel.
9. The display device according to claim 8, wherein the display panel comprises a color film substrate, an array substrate and a liquid crystal layer, the liquid crystal layer is disposed between the color film substrate and the array substrate, and the louver frame film is disposed on the color film substrate.
10. The display device of claim 8, wherein the display panel further comprises a control panel electrically connected to the display panel, the backlight module and the louver frame film, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920787862.1U CN209821565U (en) | 2019-05-28 | 2019-05-28 | Louver frame film and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920787862.1U CN209821565U (en) | 2019-05-28 | 2019-05-28 | Louver frame film and display device |
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| CN209821565U true CN209821565U (en) | 2019-12-20 |
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| CN201920787862.1U Active CN209821565U (en) | 2019-05-28 | 2019-05-28 | Louver frame film and display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111999953A (en) * | 2020-07-29 | 2020-11-27 | 江西沃格光电股份有限公司 | Electrochromic window |
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- 2019-05-28 CN CN201920787862.1U patent/CN209821565U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111999953A (en) * | 2020-07-29 | 2020-11-27 | 江西沃格光电股份有限公司 | Electrochromic window |
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Address after: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou Patentee after: Kunshan Longteng Au Optronics Co Address before: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou Patentee before: Kunshan Longteng Optronics Co., Ltd. |