CN105954901B - A kind of display device, production method and display methods - Google Patents
A kind of display device, production method and display methods Download PDFInfo
- Publication number
- CN105954901B CN105954901B CN201610545754.4A CN201610545754A CN105954901B CN 105954901 B CN105954901 B CN 105954901B CN 201610545754 A CN201610545754 A CN 201610545754A CN 105954901 B CN105954901 B CN 105954901B
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- Prior art keywords
- display
- light transmission
- display area
- shading
- peep
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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
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/004—Optical devices or arrangements for the control of light using movable or deformable optical elements based on a displacement or a deformation of a fluid
- G02B26/005—Optical devices or arrangements for the control of light using movable or deformable optical elements based on a displacement or a deformation of a fluid based on electrowetting
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
Abstract
The present invention provides a kind of display device, production method and display methods, the display device include: display panel and be set to the display panel light emission side optical grating construction, the optical grating construction includes the transmission region being arranged alternately and shading/light transmission switchable regions, and the shading/light transmission switchable regions are provided with Electrowetting device；Control module, the Electrowetting device in predetermined display area for controlling the display panel is in light transmission state or shading status, so that the predetermined display area is in normal displaying mode or peep-proof display pattern, wherein, visual angle of the predetermined display area under the peep-proof display pattern is less than the visual angle under the normal displaying mode.Display device of the invention can easily switch between peep-proof display pattern and normal displaying mode.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of display devices, production method and display methods.
Background technique
With the development of society, abundant, miscellaneous electronic equipment such as mobile phone, computer, TV and the people of material conditions
Life and work combination between the two also become increasingly closer.However electronic equipment for people provide it is many easily
Simultaneously, it is also possible to bring the leakage problem of personal information.For example, the display of the prior art usually all has biggish
Visible angle, this is a big advantage for public display, however is for the secrecy of personal information security
Unfavorable.In order to protect the information privacy of user, it is proposed many peep-proofs in the market and shows product, most of is by aobvious
Show that the Grating Film of device surface docile peep-proof realizes the effect of peep-proof.Head is needed when user needs using peep-proof display pattern
Peep-proof film is attached on screen and realizes peep-proof effect, and needing to be removed after the completion of use could restore to normal displaying mode, make
It is very cumbersome with process, many inconvenience is brought to the use of user.
Summary of the invention
In view of this, the present invention provides a kind of display device, production method and display methods, it can be easily aobvious in peep-proof
Show and switches between mode and normal displaying mode.
In order to solve the above technical problems, the present invention provides a kind of display device, comprising:
Display panel and be set to the display panel light emission side optical grating construction, the optical grating construction include alternating
The transmission region of setting and shading/light transmission switchable regions, the shading/light transmission switchable regions are provided with Electrowetting device；
Control module, the Electrowetting device in predetermined display area for controlling the display panel are in light transmission
State or shading status, so that the predetermined display area is in normal displaying mode or peep-proof display pattern, wherein described
Visual angle of the predetermined display area under the peep-proof display pattern is less than the visual angle under the normal displaying mode.
Preferably, the predetermined display area is less than or equal to the entire effective display area domain of the display panel.
Preferably, the Electrowetting device includes the first transparency electrode and second transparency electrode being oppositely arranged, and is set to
Hydrophobic dielectric layer in the first transparency electrode, the barricade being set on the hydrophobic dielectric layer, and it is set to first thoroughly
Transparent polar solution and opaque non-polar solution between prescribed electrode and second transparency electrode.
Preferably, the control device includes power supply unit；
Wherein, the first transparency electrode of the Electrowetting device in each shading/light transmission switchable regions and a power supply
Unit is connected；Or
The first transparency electrode and a power supply of Electrowetting device in adjacent N number of shading/light transmission switchable regions
Unit is connected, and N is greater than 1 and is less than or equal to the shading/light transmission switchable regions sum.
Preferably, black matrix is provided on the display panel, when the Electrowetting device is in light transmission state, it is described not
Transparent non-polar solution rests on the black matrix corresponding position.
Preferably, it by the setting of the first transparency electrode and second transparency electrode, is in the Electrowetting device
When light transmission state, the opaque non-polar solution is rested on into the black matrix corresponding position.
Preferably, the display panel is LCD display panel or OLED display panel.
The present invention also provides a kind of production methods of display device, for making above-mentioned display device.
The present invention also provides a kind of display methods, are applied to above-mentioned display device, and the display methods includes:
When the predetermined display area of the display device needs under normal displaying mode, the predetermined display region is controlled
The Electrowetting device in domain is in light transmission state；
When the predetermined display area needs under peep-proof display pattern, the electrowetting of the predetermined display area is controlled
Device is in shading status；
Wherein, visual angle of the predetermined display area under the peep-proof display pattern is less than in the normal displaying mode
Under visual angle.
The advantageous effects of the above technical solutions of the present invention are as follows:
Detailed description of the invention
Fig. 1 is that the structure that the predetermined display area of the display device of the embodiment of the present invention one is under normal displaying mode is shown
It is intended to；
Fig. 2 is that the structure that the predetermined display area of the display device of the embodiment of the present invention one is under peep-proof display pattern is shown
It is intended to；
Fig. 3 is that the Electrowetting device of the embodiment of the present invention is in the structural schematic diagram under shading status；
Fig. 4 is that the Electrowetting device of the embodiment of the present invention is in the structural schematic diagram under light transmission state；
Fig. 5 is the structural schematic diagram of the display device of the embodiment of the present invention two；
Fig. 6 is the structural schematic diagram of the display device of the embodiment of the present invention three；
Fig. 7 is the structural schematic diagram of the display device of the embodiment of the present invention four.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
Attached drawing, the technical solution of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is this hair
Bright a part of the embodiment, instead of all the embodiments.Based on described the embodiment of the present invention, ordinary skill
Personnel's every other embodiment obtained, shall fall within the protection scope of the present invention.
Unless otherwise defined, the technical term or scientific term used herein should be in fields of the present invention and has
The ordinary meaning that the personage of general technical ability is understood.Used in present patent application specification and claims " the
One ", " second " and similar word are not offered as any sequence, quantity or importance, and are used only to distinguish different
Component part.Equally, the similar word such as "one" or " one " does not indicate that quantity limits yet, but indicates that there are at least one.
" connection " either the similar word such as " connected " is not limited to physics or mechanical connection, but may include electrical
Connection, it is either direct or indirect."upper", "lower", "left", "right" etc. are only used for indicating relative positional relationship, work as quilt
After the absolute position of description object changes, then the relative positional relationship also correspondingly changes.
Fig. 1 and Fig. 2 are please referred to, the embodiment of the present invention one provides a kind of display device, which includes:
Display panel 100 and be set to the display panel 100 light emission side optical grating construction 200, the grating knot
Structure 200 includes that area can be switched in the transmission region 201 being arranged alternately and shading/light transmission switchable regions 202, the shading/light transmission
Domain 202 is provided with Electrowetting device 203；And
Control module 300, the Electrowetting device in predetermined display area for controlling the display panel 100
203 are in light transmission state or shading status, so that the predetermined display area is in normal displaying mode or peep-proof shows mould
Formula, wherein visual angle of the predetermined display area under the peep-proof display pattern is less than under the normal displaying mode
Visual angle.
In the embodiment of the present invention, referring to FIG. 1, working as the information that user needs to show the default display area of display device
When with data secrecy, peep-proof display pattern can be switched to, at this point, the Electrowetting device 203 of default display area is in shading shape
State, Electrowetting device 203 stop the light relayed in the lateral direction, and the light in relatively narrow angular field of view is only allowed to reach human eye, have than
Lesser display view angle, to prevent the people at side view angle from stealing while the user for front viewing provides display image
It peeps, individual privacy and business secret is effectively protected.Referring to FIG. 2, when user needs to share with other viewers display dress
When the display image set, normal displaying mode can switch to, the Electrowetting device 203 for presetting display area at this time is in light transmission shape
When state, user can be in multiple views to the display image of default display area.
That is, can be by controlling the Electrowetting device 203 of default display area in light transmission state and shading status
Between switch, switch between normal displaying mode and peep-proof display pattern to control default display area.Compared to tradition
Peep-proof display technology, the present invention have structure it is simple, fast response time does not influence the advantages such as display effect.
In the embodiment of the present invention, the preset display mode can be the entire effective display area domain of display panel, that is, can
It is switched to peep-proof display pattern from normal displaying mode with the entire effective display area domain controlled the display panel, alternatively, from peep-proof
Display pattern is switched to normal displaying mode.The preset display mode may be the part display area of display panel, that is,
The part display area that can control display panel is switched to peep-proof display pattern from normal displaying mode, alternatively, aobvious from peep-proof
Show pattern switching to normal displaying mode.
The structure of Electrowetting device is illustrated below.
Fig. 3 and Fig. 4 are please referred to, the Electrowetting device of the embodiment of the present invention includes: the first transparency electrode being oppositely arranged
2031 and second transparency electrode 2032, the hydrophobic dielectric layer 2033 being set in the first transparency electrode 2031 be set to institute
The barricade 2034 on hydrophobic dielectric layer 2033 is stated, and is set between first transparency electrode 2031 and second transparency electrode 2032
Transparent polar solution 2035 and opaque non-polar solution 2036.
Referring to FIG. 3, when no applied voltage is when first transparency electrode 2031 and second transparency electrode 2032, it is opaque non-
Polar solvent 2036 is greater than transparent polar solution 2035 to the affinity of hydrophobic dielectric layer 2033, and makes opaque non-polar solution
2036 are laid in 2033 surface of hydrophobicity dielectric layer.
Referring to FIG. 4, when applying voltage to first transparency electrode 2031 and second transparency electrode 2032, hydrophobicity dielectric
The distribution of charges generated on layer 2033, which will increase it, drives opaque nonpolarity molten the affinity of transparent polar solution 2035
Liquid 2036 is extruded to predetermined position, such as close to the position of barricade.
It is mentioned in above content, can control the entire effective display area domain of display panel in normal displaying mode and peep-proof
Switch between display pattern.Also it can control the part display area of display panel in normal displaying mode and peep-proof display pattern
Between switch.
When the entire effective display area domain for only needing to control the display panel normal displaying mode and peep-proof display pattern it
Between when switching, control device can all Electrowetting devices in the entire effective display area domain of display panel pixel electrode
(i.e. above-mentioned first transparency electrode 2031) provides identical voltage signal.Control device can only include that a power supply is single at this time
Member, for providing identical voltage signal to the pixel electrode of all Electrowetting devices.
When the part display area for needing to control the display panel is between normal displaying mode switching and peep-proof display pattern
When switching, control device needs the pixel electrode of the individually Electrowetting device on the part display area to provide voltage signal.
That is, the control device needs to include at least two power supply units, so as to be individually on the display area of part
The pixel electrode of Electrowetting device provides voltage signal.
To reach the part display area controlled the display panel between normal displaying mode switching and peep-proof display pattern
Switching purpose, in one embodiment of this invention, it is preferable that the electrowetting device in each shading/light transmission switchable regions
The first transparency electrode of part is connected with a said supply unit, that is to say, that the electricity profit in each shading/light transmission switchable regions
Wet device can be controlled individually.
In another preferred embodiment of the invention, the electricity that is also possible in adjacent N number of shading/light transmission switchable regions
The first transparency electrode of wetting device is connected with a said supply unit, and N is greater than 1 and is less than the shading/light transmission switchable regions
Sum.That is, the Electrowetting device in adjacent N number of shading/light transmission switchable regions can control together, further
Preferably, the first transparency electrode of the Electrowetting device in above-mentioned predetermined display area is connected with a said supply unit.
In the embodiment of the present invention, it is preferable that can be by the stop place of the opaque non-polar solution 2036 of control, to mention
The aperture opening ratio of high display device.Referring to FIG. 5, when the Electrowetting device 203 is in light transmission state, in order to improve display device
Aperture opening ratio, can control the corresponding position of black matrix 101 that the opaque non-polar solution 2036 rests on the display device
It sets.
Specifically, can be by the setting of the first transparency electrode 2031 and second transparency electrode 2032, in the electricity
When wetting device is in light transmission state, the opaque non-polar solution is rested on into the black matrix corresponding position.
For example, as shown in figure 5, first transparency electrode 2031 is divided into two strip shaped electric poles, by opaque nonpolarity
Solution 2036 rests on the central region of Electrowetting device 203.
Display panel in above-described embodiment can be LCD display panel, or OLED display panel, alternatively, its
The display panel of his type.
In above-described embodiment, the size of Electrowetting device, which can according to need, to be configured, for example, can be with an electrowetting
Device corresponds to a pixel region of display panel, an Electrowetting device or corresponding multiple pixel regions etc., alternatively, multiple
Electrowetting device or a corresponding pixel region etc..
Referring to FIG. 6, Fig. 6 is a kind of display device of the embodiment of the present invention three, which is LCD display device,
The display device includes:
LCD display panel 100A, LCD display panel 100A generally include basic, lower substrate and be located at upper substrate and under
Liquid crystal layer between substrate.
It is set to the upper polaroid 400 of LCD display panel 100A light emission side；
The optical grating construction 200 being set in upper polaroid 400, the optical grating construction 200 include the transparent area being arranged alternately
Domain 201 and shading/light transmission switchable regions 202, the shading/light transmission switchable regions 202 are provided with Electrowetting device 203；
It is set to the down polaroid 500 of LCD display panel 100A incident side；
It is set to the backlight module 600 of 500 other side of down polaroid；
Control module (figure non-crucial point), in the predetermined display area for controlling the LCD display panel 100A described in
Electrowetting device 203 is in light transmission state or shading status so that the predetermined display area be in normal displaying mode or
Peep-proof display pattern, wherein visual angle of the predetermined display area under the peep-proof display pattern is less than described normal aobvious
Show the visual angle under mode.
Referring to FIG. 7, Fig. 7 is a kind of display device of the embodiment of the present invention three, which is OLED display,
The display device includes:
OLED display panel 100B；
The optical grating construction 200 being set on OLED display panel 100B, the optical grating construction 200 are saturating including being arranged alternately
Light region 201 and shading/light transmission switchable regions 202, the shading/light transmission switchable regions 202 are provided with Electrowetting device
203；
Control module (figure non-crucial point), in the predetermined display area for controlling the LCD display panel 100A described in
Electrowetting device 203 is in light transmission state or shading status so that the predetermined display area be in normal displaying mode or
Peep-proof display pattern, wherein visual angle of the predetermined display area under the peep-proof display pattern is less than described normal aobvious
Show the visual angle under mode.
The embodiment of the present invention also provides a kind of production method of display device, aobvious in any of the above-described embodiment for making
Showing device.
The embodiment of the present invention also provides a kind of display methods, shows applied to described in the display device in any of the above-described embodiment
Show that method includes:
Step 1: it when the predetermined display area of the display device needs under normal displaying mode, controls described pre-
The Electrowetting device for determining display area is in light transmission state；
Step 2: when the predetermined display area needs under peep-proof display pattern, the predetermined display area is controlled
Electrowetting device be in shading status；
Wherein, visual angle of the predetermined display area under the peep-proof display pattern is less than in the normal displaying mode
Under visual angle.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of display device characterized by comprising
Display panel and be set to the display panel light emission side optical grating construction, the optical grating construction include be arranged alternately
Transmission region and shading/light transmission switchable regions, the shading/light transmission switchable regions be provided with Electrowetting device；
Control module, the Electrowetting device in predetermined display area for controlling the display panel are in light transmission state
Or shading status, so that the predetermined display area is in normal displaying mode or peep-proof display pattern, wherein described predetermined
Visual angle of the display area under the peep-proof display pattern is less than the visual angle under the normal displaying mode.
2. display device according to claim 1, which is characterized in that the predetermined display area is less than or equal to described aobvious
Show the entire effective display area domain of panel.
3. display device according to claim 2, which is characterized in that the Electrowetting device includes first be oppositely arranged
Transparent electrode and second transparency electrode, the hydrophobic dielectric layer being set in the first transparency electrode are set to hydrophobic Jie
Barricade in electric layer, and the transparent polar solution that is set between first transparency electrode and second transparency electrode and opaque non-
Polar solvent.
4. display device according to claim 3, which is characterized in that
The control device includes power supply unit；
Wherein, the first transparency electrode Yu a said supply unit of the Electrowetting device in each shading/light transmission switchable regions
It is connected；Or
The first transparency electrode and a said supply unit of Electrowetting device in adjacent N number of shading/light transmission switchable regions
It is connected, N is greater than 1 and is less than or equal to the shading/light transmission switchable regions sum.
5. display device according to claim 3, which is characterized in that black matrix is provided on the display panel, it is described
When Electrowetting device is in light transmission state, the opaque non-polar solution rests on the black matrix corresponding position.
6. display device according to claim 5, which is characterized in that pass through the first transparency electrode and the second transparent electricity
The opaque non-polar solution is rested on the black square when the Electrowetting device is in light transmission state by the setting of pole
Battle array corresponding position.
7. display device according to claim 1, which is characterized in that the display panel is LCD display panel or OLED
Display panel.
8. a kind of production method of display device, which is characterized in that for making such as the described in any item displays of claim 1-7
Device.
9. a kind of display methods, which is characterized in that it is applied to such as display device of any of claims 1-7, it is described
Display methods includes:
When the predetermined display area of the display device needs under normal displaying mode, the predetermined display area is controlled
Electrowetting device is in light transmission state；
When the predetermined display area needs under peep-proof display pattern, the Electrowetting device of the predetermined display area is controlled
In shading status；
Wherein, visual angle of the predetermined display area under the peep-proof display pattern is less than under the normal displaying mode
Visual angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610545754.4A CN105954901B (en) | 2016-07-12 | 2016-07-12 | A kind of display device, production method and display methods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610545754.4A CN105954901B (en) | 2016-07-12 | 2016-07-12 | A kind of display device, production method and display methods |
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| Publication Number | Publication Date |
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| CN105954901A CN105954901A (en) | 2016-09-21 |
| CN105954901B true CN105954901B (en) | 2019-06-04 |
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| CN201610545754.4A Expired - Fee Related CN105954901B (en) | 2016-07-12 | 2016-07-12 | A kind of display device, production method and display methods |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106773156B (en) * | 2016-11-23 | 2020-03-17 | 北京小米移动软件有限公司 | Display method and device and electronic equipment |
| CN106409209A (en) * | 2016-11-24 | 2017-02-15 | 北京小米移动软件有限公司 | Display method, display device and display equipment |
| CN106646955A (en) | 2017-03-07 | 2017-05-10 | 京东方科技集团股份有限公司 | Peep-proof display device and peep-proof display method |
| CN106773444B (en) * | 2017-03-22 | 2020-04-21 | 京东方科技集团股份有限公司 | Peep-proof device, peep-proof method thereof and display device |
| CN106997120B (en) * | 2017-06-07 | 2019-09-24 | 京东方科技集团股份有限公司 | A kind of dot structure, display device and driving method |
| CN109445225B (en) * | 2017-08-24 | 2020-07-14 | 京东方科技集团股份有限公司 | Display device and display device |
| CN107863450A (en) * | 2017-10-30 | 2018-03-30 | 武汉华星光电技术有限公司 | A kind of OLED display and preparation method thereof |
| CN107833556B (en) * | 2017-12-01 | 2023-10-24 | 京东方科技集团股份有限公司 | Viewing angle switching structure, display device and viewing angle switching method of display device |
| CN108549166B (en) | 2018-04-17 | 2021-11-02 | 京东方科技集团股份有限公司 | Peep-proof sub-pixel unit and manufacturing method thereof, and display device and driving method thereof |
| CN109814248B (en) * | 2019-04-01 | 2021-01-26 | 京东方科技集团股份有限公司 | Display device and control method thereof |
| WO2020256712A1 (en) * | 2019-06-19 | 2020-12-24 | Hewlett-Packard Development Company, L.P. | Privacy displays with piezo electric layers |
| CN110349509A (en) * | 2019-06-21 | 2019-10-18 | 深圳市华星光电技术有限公司 | Changeable peep-proof display device |
| CN110412809A (en) * | 2019-08-01 | 2019-11-05 | 京东方科技集团股份有限公司 | A kind of peep-proof device, display device and anti-peeping method |
| CN112363345A (en) * | 2020-11-10 | 2021-02-12 | 京东方科技集团股份有限公司 | Color film substrate, display module, display panel and display device |
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| CN105954901A (en) | 2016-09-21 |
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