CN108919534A - A kind of display device - Google Patents
A kind of display device Download PDFInfo
- Publication number
- CN108919534A CN108919534A CN201810896781.5A CN201810896781A CN108919534A CN 108919534 A CN108919534 A CN 108919534A CN 201810896781 A CN201810896781 A CN 201810896781A CN 108919534 A CN108919534 A CN 108919534A
- Authority
- CN
- China
- Prior art keywords
- optical diffraction
- display screen
- visual angle
- display
- display device
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 70
- 230000000007 visual effect Effects 0.000 claims abstract description 35
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 19
- 239000000758 substrate Substances 0.000 claims description 12
- 239000004568 cement Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 239000010408 film Substances 0.000 description 28
- 238000010586 diagram Methods 0.000 description 9
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 description 5
- 239000011112 polyethylene naphthalate Substances 0.000 description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 description 5
- 239000005020 polyethylene terephthalate Substances 0.000 description 5
- -1 polyethylene terephthalate Polymers 0.000 description 2
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 1
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- BAZVSMNPJJMILC-UHFFFAOYSA-N triadimenol Chemical compound C1=NC=NN1C(C(O)C(C)(C)C)OC1=CC=C(Cl)C=C1 BAZVSMNPJJMILC-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1323—Arrangements for providing a switchable viewing angle
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Mathematical Physics (AREA)
Abstract
The invention discloses a kind of display device, which includes display screen and the optical diffraction film being set on display screen, which includes optical diffraction device, for changing the visual angle of the display screen.Different patterns is arranged in optical diffraction film upper surface in optical diffraction device, thus it is possible to vary the transmission direction of light, to change the visual angle of display screen.With it is existing in such a way that display device and polaroid change the visual angle of liquid crystal display compared with, the embodiment of the present invention is using liquid crystal display as area source, an optical diffraction film is pasted in the area source upper surface, pass through the optical diffraction device of the optical diffraction film different pattern, achieve the purpose that the visual angle for changing display screen, complex manufacturing technology degree is simplified, while reducing production cost.
Description
Technical field
The present invention relates to field of display technology, relate more specifically to a kind of display device.
Background technique
Existing liquid crystal display is widely applied in life and work, and because of demand difference, the visual angle needed is also different.Example
Such as, when using portable notebook in public, need lesser visual angle with peep-proof, more people use portable notebook in the family
When watching video, need the liquid crystal display of notebook that there is biggish visual angle to facilitate more people to use.
Based on this demand, usually change the visual angle of liquid crystal display by display device and polaroid in the prior art,
However, this will increase complex manufacturing technology degree, higher cost.
Summary of the invention
In order to solve the deficiencies in the prior art, the present invention provides a kind of display devices.
Present invention technical effect to be achieved is realized by following scheme：
A kind of display device, including：Display screen；And optical diffraction film, it is set on the display screen, the optical diffraction film
Including optical diffraction device, for changing the visual angle of the display screen.
Preferably, the optical diffraction film is provided with pattern, and the pattern is set to institute by the optical diffraction device
State optical diffraction film upper surface.
Preferably, the pattern is arranged according to the visual angle of the display screen.
Preferably, the optical diffraction film includes substrate, the optical diffraction device for being set to the substrate upper surface, and
It is set to the optical cement of the substrate lower surface.
Preferably, the material of the substrate includes one of TAC, PET, COP or PEN.
Preferably, the optical cement is OCA or PSA.
Preferably, the display screen is liquid crystal display.
The present invention provides a kind of display device, which includes display screen and the optical diffraction that is set on display screen
Film, which includes optical diffraction device, which is arranged different patterns table on optical diffraction film
Face, thus it is possible to vary the transmission direction of light, to change the visual angle of display screen.Liquid is changed by display device and polaroid with existing
The mode at the visual angle of crystal display screen is compared, and the present invention pastes one using liquid crystal display as area source, in the area source upper surface
Optical diffraction film achievees the purpose that the visual angle for changing display screen by the optical diffraction device of the optical diffraction film different pattern,
Complex manufacturing technology degree is simplified, while reducing production cost.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of display device provided in an embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram of optical diffraction film provided in an embodiment of the present invention；
Fig. 3 is a kind of schematic diagram at visual angle for increasing display screen provided in an embodiment of the present invention；
Fig. 4 is a kind of schematic diagram at the visual angle of narrowed display screen provided in an embodiment of the present invention；
Fig. 5 is the schematic diagram at the visual angle of another narrowed display screen provided in an embodiment of the present invention.
Specific embodiment
The present invention will be described in detail with reference to the accompanying drawings and examples, and the examples of the embodiments are shown in the accompanying drawings
Out, in which the same or similar labels are throughly indicated same or similar element or members with the same or similar functions
Part.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to be used to explain the present invention, and should not be understood as to this
The limitation of invention.
In the description of the present invention, it is to be understood that, term " length ", " width ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.
In addition, term " first ", " second ", " third " are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic." first ", " second ", " third " are defined as a result,
Feature can explicitly or implicitly include one or more this feature.In the description of the present invention, the meaning of " plurality " is
Two or more, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation ",
Terms such as " settings " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be with
It is mechanical connection, is also possible to be electrically connected；It can be directly connected, can also can also be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside two elements.It for the ordinary skill in the art, can be with
The concrete meaning of above-mentioned term in the present invention is understood as the case may be.
Display device described in the embodiment of the present invention is the electronic equipments such as smart phone, tablet computer, audio and video products
Component part, and above-mentioned electronic equipment, using display device provided by the embodiment of the present invention, which includes display screen
And it is set to the optical diffraction film on display screen, which includes optical diffraction device, for changing the display screen
Visual angle.Different patterns is arranged in optical diffraction film upper surface in optical diffraction device, thus it is possible to vary the transmission direction of light, thus
Change the visual angle of display screen.With it is existing in such a way that display device and polaroid change the visual angle of liquid crystal display compared with, this
Invention pastes an optical diffraction film using liquid crystal display as area source, in the area source upper surface, passes through the optical diffraction film
The optical diffraction device of different pattern achievees the purpose that the visual angle for changing display screen, simplifies complex manufacturing technology degree, drop simultaneously
Low production cost.
It is as shown in Figure 1 a kind of structural schematic diagram of display device provided in an embodiment of the present invention, the display device 100 packet
Display screen 1 and optical diffraction film 2 are included, which is set on the display screen 1, which spreads out including optics
Emitter part, for changing the visual angle of the display screen.
In embodiments of the present invention, the display screen is liquid crystal display, the liquid crystal display（Liquid Crystal
Display, LCD）Screen for one kind of flat-panel screens, for electronic equipments such as tablet computer, smart phone, intelligent TV sets
Curtain display is used with the liquid crystal display panel of voltage high speed control bright and dark light degree.The image being made of liquid crystal display, through turn as
Lens group is imaged on the focal plane of hololens.Any point on the image of composition can all regard a point light source as, to outgoing
Spherical wave is penetrated, then turns to be irradiated on hologram through wedge reflector, a branch of directional light is obtained by the diffraction of light.Corresponding to figure
As upper every bit, the image for having a branch of directional light corresponding, therefore liquid crystal display being constituted, again by hololens
Reveal and comes and project infinity.Using liquid crystal display as area source, in the one optical diffraction film of surface mount of area source,
Exactly optical diffraction film is set on display screen, which includes substrate 21, is set to the substrate upper surface
Optical diffraction device DOE22 and the optical cement 23 for being set to the substrate lower surface, are illustrated in figure 2 the embodiment of the present invention
A kind of structural schematic diagram of optical diffraction film, the material of the substrate include Triafol T TAC, polyethylene terephthalate
One of ester PET, cyclic olefin polymer COP or polyethylene naphthalate PEN, above-mentioned TAC, PET, COP and PEN are to have
Machine plastic film, the optical cement are OCA optical cement or pressure sensitive adhesive PSA.
In the embodiment of the present invention, the optical diffraction film is provided with different patterns, and the pattern is spread out by the optics
Emitter part is set to optical diffraction film upper surface, it is, pasting optical diffraction film, the optical diffraction film on a display screen
Including figuratum optical diffraction device, applied on TAC, PET, COP or PEN etc. transparent optical thin film using UV material
Cloth, later, roll-in, irradiation, solidification etc. are fabricated to pattern, which is configured using optical diffraction device, to prevent and show
Moire fringe and interference are generated between display screen, the transmission direction of light can be changed in different patterns, that is, can increase display screen
Visual angle or the visual angle of narrowed display screen, i.e. pattern need to be arranged according to the visual requirement of display screen.It is illustrated in figure 3 implementation of the present invention
A kind of schematic diagram at the visual angle for increase display screen that example provides, it includes figuratum optical diffraction device that one is arranged on a display screen
Optical diffraction film, change the direction of propagation of light, it is possible to increase the visual angle of display screen.It is as shown in Figure 4 and Figure 5 the embodiment of the present invention
A kind of schematic diagram at the visual angle of the narrowed display screen provided, it includes figuratum optical diffraction device that one is arranged on a display screen
Optical diffraction film changes the direction of propagation of light, can narrow the visual angle of display screen, it should be noted that light in Fig. 3, Fig. 4 and Fig. 5
The pattern for learning diffractive optical element is different, the pattern need to the visual requirement according to required for display screen be configured.
It should be appreciated that the size of optical diffraction device should be greater than the size of display screen, it is preferable that the ruler of optical diffraction device
Very little big 0.2mm more unilateral than the size of display screen.
A kind of display device is provided in the embodiment of the present invention, which includes display screen and be set on display screen
Optical diffraction film, which includes optical diffraction device, for changing the visual angle of the display screen.Optical diffraction device
Different patterns is set in optical diffraction film upper surface, thus it is possible to vary the transmission direction of light, to change the visual angle of display screen.With
Existing to compare in such a way that display device and polaroid change the visual angle of liquid crystal display, the embodiment of the present invention is by liquid crystal display
Screen is used as area source, pastes an optical diffraction film in the area source upper surface, passes through the optics of the optical diffraction film different pattern
Diffractive optical element achievees the purpose that the visual angle for changing display screen, simplifies complex manufacturing technology degree, while reducing production cost.
Finally, it should be noted that above embodiments be only to illustrate the technical solution of the embodiment of the present invention rather than to its into
Row limitation, although the embodiment of the present invention is described in detail referring to preferred embodiment, those skilled in the art
It should be understood that the technical solution of the embodiment of the present invention can be still modified or replaced equivalently, and these are modified or wait
The range of modified technical solution disengaging technical solution of the embodiment of the present invention cannot also be made with replacement.
Claims (7)
1. a kind of display device, which is characterized in that the display device includes：
Display screen；And
Optical diffraction film is set on the display screen, and the optical diffraction film includes optical diffraction device, for changing described
The visual angle of display screen.
2. display device as described in claim 1, which is characterized in that the optical diffraction film is provided with pattern, the pattern
Optical diffraction film upper surface is set to by the optical diffraction device.
3. display device as claimed in claim 1 or 2, which is characterized in that the pattern is set according to the visual angle of the display screen
It sets.
4. display device as described in claim 1, which is characterized in that the optical diffraction film include substrate, be set to it is described
The optical diffraction device of substrate upper surface, and it is set to the optical cement of the substrate lower surface.
5. display device as claimed in claim 4, which is characterized in that the material of the substrate includes TAC, PET, COP or PEN
One of.
6. display device as claimed in claim 4, which is characterized in that the optical cement is OCA or PSA.
7. display device as described in claim 1, which is characterized in that the display screen is liquid crystal display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810896781.5A CN108919534A (en) | 2018-08-08 | 2018-08-08 | A kind of display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810896781.5A CN108919534A (en) | 2018-08-08 | 2018-08-08 | A kind of display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108919534A true CN108919534A (en) | 2018-11-30 |
Family
ID=64394533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810896781.5A Pending CN108919534A (en) | 2018-08-08 | 2018-08-08 | A kind of display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108919534A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020036731A1 (en) * | 2000-08-31 | 2002-03-28 | Toppan Printing Co. | Optical film using diffraction grating and display device using the same |
| CN1425945A (en) * | 2001-12-06 | 2003-06-25 | 日本电气株式会社 | Semi transmission-type liquid crystal display device |
| JP2010243698A (en) * | 2009-04-03 | 2010-10-28 | Toppan Printing Co Ltd | Peep-preventing medium and method of manufacturing the same, and information display and method of manufacturing the same |
| CN105891926A (en) * | 2016-06-24 | 2016-08-24 | 北京京东方光电科技有限公司 | Light diffraction device, display substrate, touch substrate and manufacturing method of touch substrate |
| CN106094342A (en) * | 2016-08-22 | 2016-11-09 | 京东方科技集团股份有限公司 | A kind of backlight module, display device and display packing |
-
2018
- 2018-08-08 CN CN201810896781.5A patent/CN108919534A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020036731A1 (en) * | 2000-08-31 | 2002-03-28 | Toppan Printing Co. | Optical film using diffraction grating and display device using the same |
| CN1425945A (en) * | 2001-12-06 | 2003-06-25 | 日本电气株式会社 | Semi transmission-type liquid crystal display device |
| JP2010243698A (en) * | 2009-04-03 | 2010-10-28 | Toppan Printing Co Ltd | Peep-preventing medium and method of manufacturing the same, and information display and method of manufacturing the same |
| CN105891926A (en) * | 2016-06-24 | 2016-08-24 | 北京京东方光电科技有限公司 | Light diffraction device, display substrate, touch substrate and manufacturing method of touch substrate |
| CN106094342A (en) * | 2016-08-22 | 2016-11-09 | 京东方科技集团股份有限公司 | A kind of backlight module, display device and display packing |
Non-Patent Citations (1)
| Title |
|---|
| 魏炳鑫;: "衍射光学平视显示器及其工作原理", 火力与指挥控制, no. 03, pages 1 - 2 * |
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