CN107300802A - Mirror face display equipment - Google Patents
Mirror face display equipment Download PDFInfo
- Publication number
- CN107300802A CN107300802A CN201710648510.3A CN201710648510A CN107300802A CN 107300802 A CN107300802 A CN 107300802A CN 201710648510 A CN201710648510 A CN 201710648510A CN 107300802 A CN107300802 A CN 107300802A
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- CN
- China
- Prior art keywords
- liquid crystal
- mirror face
- crystal display
- display equipment
- display panel
- 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.)
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Classifications
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- 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
- G02F1/133528—Polarisers
-
- 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
- G02F1/133528—Polarisers
- G02F1/133548—Wire-grid polarisers
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Polarising Elements (AREA)
Abstract
The present invention provides a kind of mirror face display equipment.The mirror face display equipment includes：Backlight module, the liquid crystal display panel on the backlight module, located at the liquid crystal display panel close to the polarizer of the side of the backlight module and the analyzer located at side of the liquid crystal display panel away from the backlight module；The analyzer is sub-wavelength metal film polarizers, and the analyzer includes：Underlay substrate on the liquid crystal display panel and the wire grating being formed on side of the underlay substrate away from the liquid crystal display panel, analyzing effect had both been can reach as analyzer by using sub-wavelength metal film polarizers, surrounding environment light can be reflected again, realize mirror effect, the wire grating can be lifted into the reflectivity of sub-wavelength metal film polarizers located at side of the underlay substrate away from the liquid crystal display panel simultaneously, improve specular quality.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of mirror face display equipment.
Background technology
With the development of Display Technique, the plane such as liquid crystal display (Liquid Crystal Display, LCD) display dress
Put because having the advantages that high image quality, power saving, fuselage is thin and has a wide range of application, and be widely used in mobile phone, TV, individual number
The various consumption electronic products such as word assistant, digital camera, notebook computer, desktop computer, as the master in display device
Stream.
Traditional liquid crystal display device is largely penetration liquid crystal display device, and it includes liquid crystal display panel and backlight
Module (Backlight Module).The operation principle of liquid crystal display panel is to place liquid among the parallel glass substrate of two panels
There are many tiny electric wires vertically and horizontally in the middle of brilliant molecule, two panels glass substrate, liquid crystal molecule is controlled by whether being powered
Change direction, the light of backlight module is reflected into generation picture through liquid crystal display panel.
Above-mentioned penetration liquid crystal display device, typically all only has simple display function, however as Display Technique
Continuous progress, various new display devices are developed, and each manufacturer all more energetically develops multifunctional display apparatus, tool
There is multi-functional display device also to have become one of target of consumer's pursuit, typical multifunctional display apparatus such as touch-control shows
Showing device and mirror face display equipment etc..
Mirror face display equipment is a kind of new display device, its both displayable image, can also reflected picture for use as
Mirror.In mirror face display equipment, it is however generally that, to reach mirror effect, reflecting layer is generally set on a display panel, reflected
Layer can not only launch external environmental light but also can project the light that part is sent from display panel, so as to reach two kinds of effects of mirror and display
Really.But under normal circumstances, the transmissivity of reflector plate is limited, and due to the interference of ambient light, display effect can have a greatly reduced quality；Separately
Outside, set one layer of reflector plate not only to increase display thickness more, the reliability of product can also have been influenceed.
Sub-wavelength metal film polarizers (Nano Wire Grids Polerizer, NWGP) be a kind of strip metal with
There is larger imaginary index in air or medium period alternating structure, wherein metal, it can pass through the light component of TM polarizations
(polarization direction is perpendicular to wiregrating direction, i.e. P light) and reflect TE polarization light component (polarization direction is parallel to wiregrating direction, i.e. S
Light).
The content of the invention
It is an object of the invention to provide a kind of mirror face display equipment, can the thickness for not increasing display device premise
Under realize mirror effect, and ensure specular quality.
To achieve the above object, the invention provides a kind of mirror face display equipment, including：Backlight module, located at the back of the body
Liquid crystal display panel in optical mode group, located at the liquid crystal display panel close to the side of the backlight module the polarizer, with
And the analyzer located at side of the liquid crystal display panel away from the backlight module；
The analyzer is sub-wavelength metal film polarizers, and the analyzer includes：Located at the liquid crystal display panel
On underlay substrate and the wire grating that is formed on side of the underlay substrate away from the liquid crystal display panel.
The polarizing axis of the polarizer is vertical with the polarizing axis of the analyzer.
The polarizer is iodine polarizing piece or dyestuff system polaroid.
The underlay substrate is transparent glass substrate.
The wire grating includes：Slit is formed between multiple bonding jumpers arranged in parallel, two adjacent bonding jumpers.
The material of the wire grating is aluminium, silver, gold and copper.
The thickness of the bonding jumper is 100~300nm, and the width of the bonding jumper is 20~100nm, the width of the slit
Spend 20~100nm.
It is equal that the mirror face display equipment also includes backlight module, liquid crystal display panel, the polarizer and analyzer described in housing
Located at the outer inframe.
Infrared detector, the infrared detector and the backlight module and liquid crystal display panel are additionally provided with the housing
It is electrically connected with；
The infrared detector is used to detecting the distance between user and described mirror face display equipment, and user with it is described
The distance between mirror face display equipment controls the backlight module and liquid crystal display panel to close when being less than default distance threshold.
The wire grating is made using nano-imprint process.
Beneficial effects of the present invention：The present invention provides a kind of mirror face display equipment, including：Backlight module, located at the back of the body
Liquid crystal display panel in optical mode group, located at the liquid crystal display panel close to the side of the backlight module the polarizer, with
And the analyzer located at side of the liquid crystal display panel away from the backlight module；The analyzer is that sub-wavelength metal is thin
Film polaroid, the analyzer includes：Underlay substrate on the liquid crystal display panel and it is formed at the substrate base
Wire grating on side of the plate away from the liquid crystal display panel, analyzing is used as by using sub-wavelength metal film polarizers
Device both can reach analyzing effect, and surrounding environment light can be reflected again, mirror effect is realized, while by the wire grating located at described
Side of the underlay substrate away from the liquid crystal display panel can lift the reflectivity of sub-wavelength metal film polarizers, improve mirror
Face quality.
Brief description of the drawings
In order to be able to be further understood that the feature and technology contents of the present invention, refer to below in connection with the detailed of the present invention
Illustrate and accompanying drawing, however accompanying drawing only provide with reference to and explanation use, not for being any limitation as to the present invention.
In accompanying drawing,
Fig. 1 is the structure chart of the mirror face display equipment of the present invention；
Fig. 2 is sub-wavelength metal film polarizers TE light reflectivities comparison diagram at different conditions.
Embodiment
Further to illustrate the technological means and its effect of the invention taken, below in conjunction with being preferable to carry out for the present invention
Example and its accompanying drawing are described in detail.
Referring to Fig. 1, the present invention provides a kind of mirror face display equipment, including：Backlight module 1, located at the backlight module 1
On liquid crystal display panel 2, located at the liquid crystal display panel 2 close to the polarizer 3 of the side of the backlight module 1 and
Analyzer 4 located at side of the liquid crystal display panel 2 away from the backlight module 1；
Wherein, the analyzer 4 is sub-wavelength metal film polarizers, and the analyzer 4 includes：Located at the liquid crystal
Show the underlay substrate 41 on panel 2 and be formed on side of the underlay substrate 41 away from the liquid crystal display panel 2
Wire grating 42.
Specifically, the polarizing axis of the polarizer 3 is vertical with the polarizing axis of the analyzer 4.Preferably, the polarizer
3 be iodine polarizing piece or dyestuff system polaroid.
Preferably, the underlay substrate 41 is transparent glass substrate.
Specifically, the wire grating 42 includes：Multiple bonding jumpers 421 arranged in parallel, two adjacent bonding jumpers 421
Between be formed with slit 422.
Wherein, aluminium, silver, gold and copper, preferably aluminium may be selected in the material of the wire grating 42；The thickness of the bonding jumper 421
Spend for 100~300nm, the width of the bonding jumper 421 is 20~100nm, 20~100nm of width of the slit 422, enters one
Step ground, the preferred 200nm of thickness of the bonding jumper 421, the preferred 50nm of width of the bonding jumper 421, the width of the slit 422
Spend preferred 50nm.
Further, in order to lift the minute surface control effect of the mirror face display equipment, the mirror face display equipment is also wrapped
Housing 5 is included, the backlight module 1, liquid crystal display panel 2, the polarizer 3 and analyzer 4 are located in the housing 5, and
Infrared detector 6, the infrared detector 6 and the backlight module 1 and the electricity of liquid crystal display panel 2 are additionally provided with the housing 5
Property connection.
Specifically, the infrared detector 6 is examined in the case where the liquid crystal display panel 2 and backlight module 1 are in opening
The distance between user and described mirror face display equipment are surveyed, the distance between user and the mirror face display equipment is less than default
Distance threshold when control the backlight module 1 and liquid crystal display panel 2 to close, between user and the mirror face display equipment
Distance control the backlight module 1 and liquid crystal display panel 2 to maintain opening when being more than or equal to default distance threshold
Or reopen, such as when someone is close to the mirror face display equipment infrared detector 6 control the backlight module 1 and
Liquid crystal display panel 2 is closed, and the mirror face display equipment is used as mirror, and the infrared detector 6 is controlled after people leaves
The backlight module 1 and liquid crystal display panel 2 are reopened, and the mirror face display equipment re-starts picture and shown.
Preferably, the wire grating 42 is made using nano-imprint process.
It should be noted that as shown in Fig. 2 the use finite time-domain difference method of the present invention simulates light from the sub- ripple
The wire grating 42 of the side of underlay substrate 41 incidence of long metallic film polaroid 4 and light from sub-wavelength metal film polarizers 4
When side is incident, sub-wavelength metal film polarizers 4 specifically, enter to the transmissivity of incident light and the changing rule of reflectivity
Light source is penetrated for plane wave, a curves are light from the side of wire grating 42 in the incident light source wavelength scope 380~780nm, Fig. 2
The reflectance curve of TE light when incident, b curves are reflectance curve of the light from the side of underlay substrate 41 TE light when incident, by mould
Intend understanding, light from the side of wire grating 42, compared with from the side incidence of underlay substrate 41 compare by incidence, and light enters from the side of wire grating 42
Penetrate and lift 6% or so compared with from the reflectivity of the side of underlay substrate 41 incidence TE light, therefore wire grating 42 is located at the substrate
Side of the substrate 41 away from the liquid crystal display panel, it is close described located at the underlay substrate 41 compared to by wire grating 42
The side of liquid crystal display panel, can lift its reflectivity, increase mirror effect.
In summary, the present invention provides a kind of mirror face display equipment, including：Backlight module, on the backlight module
Liquid crystal display panel, located at the liquid crystal display panel close to the polarizer of the side of the backlight module and located at institute
State the analyzer of side of the liquid crystal display panel away from the backlight module；The analyzer is sub-wavelength metal film polarisation
Piece, the analyzer includes：Underlay substrate on the liquid crystal display panel and to be formed at the underlay substrate remote
Wire grating on the side of the liquid crystal display panel, both may be used by using sub-wavelength metal film polarizers as analyzer
Reach that analyzing is acted on, surrounding environment light can be reflected again, mirror effect is realized, while the wire grating is located at into the substrate base
Side of the plate away from the liquid crystal display panel can lift the reflectivity of sub-wavelength metal film polarizers, improve minute surface product
Matter.
It is described above, for the person of ordinary skill of the art, can be with technique according to the invention scheme and technology
Other various corresponding changes and deformation are made in design, and all these changes and deformation should all belong to the claims in the present invention
Protection domain.
Claims (10)
1. a kind of mirror face display equipment, it is characterised in that including：Backlight module (1), the liquid on the backlight module (1)
LCD panel (2), located at the liquid crystal display panel (2) close to the backlight module (1) side the polarizer (3), with
And the analyzer (4) located at side of the liquid crystal display panel (2) away from the backlight module (1)；
The analyzer (4) is sub-wavelength metal film polarizers, and the analyzer (4) includes：Located at the LCD
Underlay substrate (41) on plate (2) and it is formed at side of the underlay substrate (41) away from the liquid crystal display panel (2)
On wire grating (42).
2. mirror face display equipment as claimed in claim 1, it is characterised in that the polarizing axis of the polarizer (3) and the inspection
The polarizing axis of inclined device (4) is vertical.
3. mirror face display equipment as claimed in claim 1, it is characterised in that the polarizer (3) is iodine polarizing piece or dye
Material system polaroid.
4. mirror face display equipment as claimed in claim 1, it is characterised in that the underlay substrate (41) is clear glass base
Plate.
5. mirror face display equipment as claimed in claim 1, it is characterised in that the wire grating (42) includes：It is multiple parallel
Slit (422) is formed between the bonding jumper (421) of arrangement, two adjacent bonding jumpers (421).
6. mirror face display equipment as claimed in claim 5, it is characterised in that the material of the wire grating (42) be aluminium, silver,
Gold or copper.
7. mirror face display equipment as claimed in claim 5, it is characterised in that the thickness of the bonding jumper (421) is 100~
300nm, the width of the bonding jumper (421) is 20~100nm, 20~100nm of width of the slit (422).
8. mirror face display equipment as claimed in claim 1, it is characterised in that also including housing (5), the backlight module (1),
Liquid crystal display panel (2), the polarizer (3) and analyzer (4) are in the housing (5).
9. mirror face display equipment as claimed in claim 8, it is characterised in that be additionally provided with infrared detector on the housing (5)
(6), the infrared detector (6) is electrically connected with the backlight module (1) and liquid crystal display panel (2)；
The infrared detector (6) is used to detecting the distance between user and described mirror face display equipment, and user with it is described
The distance between mirror face display equipment controls the backlight module (1) and liquid crystal display panel when being less than default distance threshold
(2) close.
10. mirror face display equipment as claimed in claim 1, it is characterised in that the wire grating (42) uses nano impression
Technique makes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710648510.3A CN107300802B (en) | 2017-08-01 | 2017-08-01 | Mirror display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710648510.3A CN107300802B (en) | 2017-08-01 | 2017-08-01 | Mirror display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107300802A true CN107300802A (en) | 2017-10-27 |
| CN107300802B CN107300802B (en) | 2020-09-01 |
Family
ID=60133593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710648510.3A Active CN107300802B (en) | 2017-08-01 | 2017-08-01 | Mirror display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107300802B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108803124A (en) * | 2018-06-27 | 2018-11-13 | 武汉华星光电技术有限公司 | Curved surface liquid crystal display and its manufacturing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1643558A (en) * | 2002-03-18 | 2005-07-20 | 皇家飞利浦电子股份有限公司 | Reflector with built-in display |
| WO2007062409A2 (en) * | 2005-11-23 | 2007-05-31 | Electric Mirror, L.L.C. | Back lit mirror with media display device |
| CN101290371A (en) * | 2008-05-30 | 2008-10-22 | 苏州大学 | A sub-wavelength grating structure polarizer and its manufacturing method |
| CN101377555A (en) * | 2008-09-26 | 2009-03-04 | 苏州大学 | Sub-wave length embedded type grating structure polarizing sheet and manufacturing method thereof |
| CN101405645A (en) * | 2006-05-31 | 2009-04-08 | 夏普株式会社 | Display system |
| CN201689648U (en) * | 2010-04-01 | 2010-12-29 | 上海纽银实业有限公司 | Mirror display system |
| CN103072420A (en) * | 2011-10-26 | 2013-05-01 | 安徽新境传媒股份有限公司 | Mirror animation fresco machine |
| CN104919364A (en) * | 2013-01-16 | 2015-09-16 | 夏普株式会社 | Mirror display, half mirror plate, and electronic apparatus |
-
2017
- 2017-08-01 CN CN201710648510.3A patent/CN107300802B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1643558A (en) * | 2002-03-18 | 2005-07-20 | 皇家飞利浦电子股份有限公司 | Reflector with built-in display |
| WO2007062409A2 (en) * | 2005-11-23 | 2007-05-31 | Electric Mirror, L.L.C. | Back lit mirror with media display device |
| CN101405645A (en) * | 2006-05-31 | 2009-04-08 | 夏普株式会社 | Display system |
| CN101290371A (en) * | 2008-05-30 | 2008-10-22 | 苏州大学 | A sub-wavelength grating structure polarizer and its manufacturing method |
| CN101377555A (en) * | 2008-09-26 | 2009-03-04 | 苏州大学 | Sub-wave length embedded type grating structure polarizing sheet and manufacturing method thereof |
| CN201689648U (en) * | 2010-04-01 | 2010-12-29 | 上海纽银实业有限公司 | Mirror display system |
| CN103072420A (en) * | 2011-10-26 | 2013-05-01 | 安徽新境传媒股份有限公司 | Mirror animation fresco machine |
| CN104919364A (en) * | 2013-01-16 | 2015-09-16 | 夏普株式会社 | Mirror display, half mirror plate, and electronic apparatus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108803124A (en) * | 2018-06-27 | 2018-11-13 | 武汉华星光电技术有限公司 | Curved surface liquid crystal display and its manufacturing method |
| CN108803124B (en) * | 2018-06-27 | 2021-05-28 | 武汉华星光电技术有限公司 | Curved liquid crystal display screen and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107300802B (en) | 2020-09-01 |
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Address after: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Patentee after: TCL China Star Optoelectronics Technology Co.,Ltd. Address before: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Patentee before: Shenzhen China Star Optoelectronics Technology Co.,Ltd. |