CN205507299U - A composite glass structure for LCD - Google Patents
A composite glass structure for LCD Download PDFInfo
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- CN205507299U CN205507299U CN201620262312.4U CN201620262312U CN205507299U CN 205507299 U CN205507299 U CN 205507299U CN 201620262312 U CN201620262312 U CN 201620262312U CN 205507299 U CN205507299 U CN 205507299U
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Abstract
The utility model provides a composite glass structure for LCD, the functional layer of composite glass structure include that the single face subtracts anti - glass layer (2), the inclined to one side vibration -damping sheet of line (3), a lambda phase -delay piece (4), the 2nd lambda phase -delay piece (5), the inclined to one side vibration -damping sheet of line (3) one side subtracts anti - glass layer (2) with the single face and is connected, the inclined to one side vibration -damping sheet of line (3) another side is connected with a lambda phase -delay piece (4) one side, the 2nd lambda phase -delay piece (5) one side is laminated with liquid crystal display panel (1) upper surface, the 2nd lambda phase -delay piece (5) another side and lambda phase -delay piece (4) another side laminating, the utility model discloses a composite glass structure for LCD when guaranteeing the anti - performance of subtracting of LCD, electromagnetic shielding performance, heating performance, reduces work link and makes the flow, has avoided LCD demonstration defects such as display colourity inhomogeneous (mura) to appear simultaneously.
Description
Technical field
This utility model belongs to LCD Technology field, more specifically, relates to a kind of for liquid crystal
Show the composite glass structure of device.
Background technology
Military cockpit or the liquid crystal indicator of other outdoor uses, the most all have high light visual, wide
Temperature work and the requirement of electromagnetic shielding.In liquid crystal display of the prior art, the reinforcing of liquid crystal panel is main
Use sandwich structure as shown in Figure 3 to realize.The upper surface of its structure mainly liquid crystal panel passes through
Liquid optical cement is fitted one piece the electro-magnetic screen layer (electromagnetic shielding glass) of anti-reflection coating, simultaneously in liquid crystal surface
Lower section one piece of transparent ITO electro-conductive glass of laminating of plate is as low-temperature heat layer.This electro-magnetic screen layer upper surface leads to
Cross vacuum sputtering methods multi-layer optical thin film coating, reduce the anti-of upper surface visible ray by interference of light effect
Penetrate；Lower surface makes a conductive layer, and this conductive layer is filled with hardware by copper-foil conducting electricity or additive method
Tap is touched, it is achieved electro-magnetic screen function.Described liquid crystal panel, electro-magnetic screen layer, low-temperature heat layer are respectively mounted
At display, this is installed internal.The conductive layer of this electromagnetic shielding glass generally has two kinds of implementation methods, and one is logical
The method crossing vacuum sputtering is coated with the ITO conductive layer of certain surface resistance, but due to ITO material and glass and liquid
The refractive index of state optical cement is relatively big, and the thickness of film layer is close with visible wavelength, therefore can cause serious
Reflection, needs the interference effect by plural layers to reduce the reflection at interface, the electromagnetic shielding glass of this method
Glass transmitance high (can accomplish that 95% is the highest), display quality are good, but its effectiveness is more weak,
And this technology is high to the requirement of equipment and technique, difficulty is big, and cost is the highest, currently mainly relies on external import.
Another kind of structure arranges the metal gauze being to use surface to do Darkening process, although the method can realize effectively
Effectiveness, but the transmitance of metal gauze is generally below about 80%, and due to its periodic net
Lattice matrix is easily and liquid crystal panel forms Morie fringe, affects display quality.Meanwhile, below liquid crystal panel
Heater glass electrified regulation at low temperatures, it is ensured that liquid crystal panel (-45 DEG C) at low temperatures can normally work,
But seeing according to knowhow, upper surface has been fitted the liquid crystal panel of electromagnetic shielding glass, if pasting in lower section again
Easily lead to liquid crystal panel during unification block heater glass and the displays such as display chroma uneven (mura) occur
Defect, this defect is the most particularly evident, and when the lower section of liquid crystal panel laminating heater glass, one
As need liquid crystal panel is split out and reinforced from buying the liquid crystal module come, even needing of having makes again
The modules such as backlight, complex process, with high costs.
Utility model content
Technical problem to be solved in the utility model is: for the deficiencies in the prior art, it is provided that a kind of
Technique manufacturing process is simple, it is possible to guaranteeing the anti-reflection performance of liquid crystal display, capability of electromagnetic shielding, heating property
While energy, it is not necessary to liquid crystal panel is split out from liquid crystal module and reinforces, thus decrease working link and
Manufacturing process, the liquid crystal panel simultaneously avoiding liquid crystal display of the prior art occurs display in use
The composite glass structure for liquid crystal display of the display defects such as colourity uneven (mura).
Techniques discussed above problem to be solved, the technical scheme that this utility model is taked is:
This utility model is that a kind of described liquid crystal display includes liquid crystal panel, described for liquid crystal display
Composite glass structure fit in the upper surface of liquid crystal panel, the functional layer of described composite glass structure includes list
Face anti-reflection glassy layer, linear polarizer, a λ phase delay chip, the 2nd λ phase delay chip, described line is inclined
Sheet one side of shaking is connected with one side anti-reflection glassy layer, and linear polarizer another side and λ phase delay chip one side connect
Connect, the 2nd λ phase delay chip one side with liquid crystal panel upper surface fit, the 2nd λ phase delay chip another side with
Oneth λ phase delay chip another side laminating.
The functional layer of described composite glass structure also includes electro-magnetic screen function layer and low-temperature heat functional layer, institute
The electro-magnetic screen function stated is laminated with a λ phase delay chip another side laminating, electro-magnetic screen function layer another
Face and the one side laminating of low-temperature heat functional layer, the 2nd λ phase delay chip one side and the laminating of liquid crystal panel upper surface,
2nd λ phase delay chip another side is fitted with low-temperature heat functional layer another side.
Fit together by optical cement respectively between each functional layer of described composite glass structure.
It is provided with antireflection film layer on the one side surface that described one side anti-reflection glassy layer is not connected with linear polarizer.
Described linear polarizer is iodine system high-polarization polaroid.
The polarization of the fast axle of the 2nd described λ phase delay chip and the upper polarizer of liquid crystal panel is through between axle
Angle be 45° angle or-45° angle, the λ numerical range of the 2nd λ phase delay chip be arranged on 550nm ±
In the range of 100nm.
The polarization of described linear polarizer through the angle between axle and the fast axle of a λ phase delay chip is
45° angle or-45° angle, the polarization of described linear polarizer passes through through the polarized light of axle with liquid crystal panel outgoing
Polarization direction after 2nd λ phase delay chip and a λ phase delay chip is consistent.
Composite glass structure is arranged on the display of hollow structure and installs the most internal, and display is installed body bottom portion and set
Put display circuit panel, display light guide plate, display backlight, display blooming, display light
Film is between liquid crystal panel and display light guide plate, and display backlight is positioned at light guide plate side.
Described electro-magnetic screen function layer is metal gauze or ITO conductive layer or other are isotropic
Bright conductive layer, described electro-magnetic screen function layer arranges attachment base material, and attachment base material is set to a λ phase place and prolongs
The structure that sheet or glass or other isotropism effect free of birefringence material are made late.
Described low-temperature heat functional layer surface configuration attachment base material, attachment basic unit is set to by glass, PMMA
Or the structure that other isotropism effect free of birefringence material is made, low-temperature heat functional layer is arranged and passes through Copper Foil
Pasting or print conductive silver paste and make the conductive electrode bar that system is made, conductive electrode bar is connected with power supply.
Use the technical solution of the utility model, can obtain following beneficial effect:
Composite glass structure for liquid crystal display of the present utility model is installed when working on a liquid crystal display,
It is luminous that display circuit panel controls display liquid crystal panel backlight lamp, and light is led through display liquid crystal panel
Liquid crystal panel, simultaneously display circuit control is entered after tabula rasa and the even light of display liquid crystal panel blooming and blast
The image information that main frame inputs is inputed to liquid crystal panel by making sheet, thus shows corresponding image information, from liquid crystal
The light of panel outgoing is assumed to be the polarized light that polarization angle is 0 °, and this polarized light passes through the 2nd λ Phase delay
Circularly polarized light it is changed into after sheet, then by being changed into after a λ phase delay chip with linear polarizer polarization through axle
The line polarized light that direction is consistent, through polaroid outgoing, transmitance is up to more than 85%.And when ambient shines
After being mapped to liquid crystal display, the upper surface at one side anti-reflection glassy layer produces the reflection of 0.3%, in internal all circles
The reflection light that face (including electro-magnetic screen layer surface, low-temperature heat functional layer surface) produces due to line polarized light with
The effect of the oneth λ phase delay chip is little to outgoing, such that it is able to the total surface of liquid crystal display is reflected control
System below 1%, even if thus ensure that also have under display strong light environment out of doors good display performance and
Readable.If display starts under low temperature (such as-45 DEG C), then display circuit panel control low temperature adds
Hot merit ergosphere electrified regulation, makes the temperature of liquid crystal display rise to normally to work, and a λ Phase delay
The electro-magnetic screen layer of sheet lower surface is installed body by the display of copper-foil conducting electricity with metal material and is turned on, and is formed good
Good electromagnetic shielding, it is possible to ensure that display normally works in complicated electromagnetic interference environment.This utility model
Composite glass structure, it is provided that a kind of composite glass structure being applicable to reinforced liquid-crystal display front end and use
The liquid crystal display of this composite glass structure, this liquid crystal display is having sandwich structure enhancement mode liquid crystal display concurrently
On the basis of the anti-reflection of device, electromagnetic shielding and heating function, manufacturing cost is lower, and material is easy to get, technological operation
Simply, display defect less, overall performance is obviously improved.
Accompanying drawing explanation
Content expressed by accompanying drawing each to this specification and the labelling in figure make brief description below:
Fig. 1 is the sectional structure signal of the composite glass structure for liquid crystal display described in the utility model
Figure；
Fig. 2 is the sectional structure schematic diagram of liquid crystal display described in the utility model；
Fig. 3 is the sectional structure schematic diagram of liquid crystal display of the prior art；
Reference is: 1, liquid crystal panel；2, one side anti-reflection glassy layer；3, linear polarizer；4, a λ
Phase delay chip；5, the 2nd λ phase delay chip；6, electro-magnetic screen function layer；7, low-temperature heat functional layer；
8, antireflection film layer；9, display installs body；10, display circuit panel；11, display liquid crystal
Panel light guide plate；12, display liquid crystal panel backlight lamp；13, display liquid crystal panel blooming.
Detailed description of the invention
Below against accompanying drawing, by the description to embodiment, the most involved to detailed description of the invention of the present utility model
And the shape of each component, structure, mutual alignment between each several part and annexation, the effect of each several part and
Operation principles etc. are described in further detail:
As shown in accompanying drawing 1, accompanying drawing 2, this utility model is that a kind of described liquid crystal display includes liquid crystal panel
1, the described composite glass structure for liquid crystal display fits in the upper surface of liquid crystal panel 1, described
The functional layer of composite glass structure includes one side anti-reflection glassy layer 2, linear polarizer the 3, the oneth λ phase delay chip
4, the 2nd λ phase delay chip 5, linear polarizer 3 one side is connected with one side anti-reflection glassy layer 2, linear polarizer 3
Another side and a λ phase delay chip 4 one side connect, the 2nd λ phase delay chip 5 one side and liquid crystal panel 1
Upper surface is fitted, the 2nd λ phase delay chip 5 another side and λ phase delay chip 4 another side laminating.
One side anti-reflection glassy layer during said structure is arranged is the one side making antireflective coating at optical plate glass,
The reflection of glass surface can be down to less than 0.3% by this antireflective coating.This anti-reflection glassy layer is to pass through vacuum sputtering
Or the multilayer optical film of additive method deposition, these optical thin films are generally by multilamellar high refractive index film and multilamellar
Low refractive index film alternately composition, by the design to its refractive index and film thickness, utilizes interference of light principle to realize
Efficient anti-reflection at visible light wave segment limit.Above-mentioned linear polarizer is iodine system polaroid.It is polyvinyl alcohol (PVA)
Material after soaking and dyeing, is coated to Triafol T respectively and is made in iodine liquid in top and bottom.2nd λ phase
The polarization of the upper polarizer of the position fast axle of retardation plate 5 and liquid crystal panel through the angle between axle be 45° angle or
-45° angle, in the range of the λ numerical range of the 2nd λ phase delay chip 5 is arranged on 550nm ± 100nm.Described
The polarization of linear polarizer 3 be 45° angle through angle between axle and the fast axle of a λ phase delay chip 4
Or-45° angle, the polarization of described linear polarizer 3 passes through the axle polarized light with liquid crystal panel outgoing through second
λ phase delay chip 5 is consistent with the polarization direction after a λ phase delay chip 4.
The functional layer of described composite glass structure also includes electro-magnetic screen function layer 6 and low-temperature heat functional layer
7, electro-magnetic screen function layer 6 one side and a λ phase delay chip 4 another side laminating, electro-magnetic screen function layer
6 another sides and low-temperature heat functional layer 7 one side laminating, the 2nd λ phase delay chip 5 one side and liquid crystal panel 1
Upper surface is fitted, and the 2nd λ phase delay chip 5 another side is fitted with low-temperature heat functional layer 7 another side.
Described electro-magnetic screen function layer 6 is metal gauze or ITO conductive layer or other are isotropic
Bright conductive layer, described electro-magnetic screen function layer 6 surface configuration attachment base material, attachment base material is set to by λ phase
The structure that position retardation plate or glass or other isotropism effect free of birefringence material are made.
Described low-temperature heat functional layer 7 surface configuration attachment base material, attachment basic unit is set to by glass, PMMA
Or the structure that other isotropism effect free of birefringence material is made, low-temperature heat functional layer 7 is arranged and passes through copper
Paper tinsel pastes or prints conductive silver paste and makes the conductive electrode bar that system is made, and conductive electrode bar is connected with power supply.Described
The setting of low-temperature heat functional layer 7, at low ambient temperatures (such as-45 DEG C), display circuit panel control
Low-temperature heat functional layer 7 electrified regulation processed, it is ensured that liquid crystal display can normally work.
Pasted by optical cement respectively between each functional layer of described composite glass structure and link together.Optics
Glue can be reliably achieved the setting between each functional layer, will not lose efficacy because of variations in temperature, improves use originally
The performance and used life of the liquid crystal display of the composite glass structure for liquid crystal display of utility model.
In liquid crystal display of the present utility model, it is to play internal each parts that display installs the Main Function of body
To protection and supporting role, fixing with external agency, the best with the electro-magnetic screen layer of multi-functional compound glass
Good conducting, thus realize the electro-magnetic screen function of whole display, it is ensured that the normal display of liquid crystal display.
After described composite glass structure laminating and liquid crystal panel 1 upper surface, it is installed along with the aobvious of hollow structure
Showing that device is installed in body 9, display is installed and is arranged display circuit panel 10, light guide plate bottom body 9
11, backlight 12, blooming 13, blooming 13 between light guide plate 11 and liquid crystal panel 1, backlight
Lamp 12 is positioned at the side of light guide plate 11.
Operationally, display circuit panel 10 controls display to liquid crystal display described in the utility model
Liquid crystal panel backlight lamp 12 is luminous, and light is through display liquid crystal panel light guide plate 11 and display liquid crystal panel
Entering liquid crystal panel 1 after the even light of blooming 13 and blast, display circuit panel 9 is defeated by main frame simultaneously
The image information entered inputs each liquid crystal panel 1, thus shows corresponding image information, from liquid crystal panel 1 outgoing
Light be polarization angle be the polarized light of 0 °, this polarized light is by being changed into after the 2nd λ phase delay chip 5
Circularly polarized light, then by being changed into after a λ phase delay chip 4 with linear polarizer 3 polarization through direction of principal axis one
The line polarized light caused, all through polaroid outgoing, outgoing brightness can be up to more than 1000nit.And ought be outward
After boundary's light is irradiated to liquid crystal display, the upper surface at one side anti-reflection glassy layer 2 produces the reflection of 0.3%,
The reflection light produced at internal each interface (including electro-magnetic screen layer surface, low-temperature heat functional layer surface) due to
The effect of line polarized light and a λ phase delay chip 4 is little to outgoing, such that it is able to by liquid crystal display
Total surface reflex control is below 1%, even if thus ensure that display the most also has good display performance.
If display starts at low temperature-45 DEG C, then display circuit panel 10 controls low-temperature heat functional layer 7 and leads to
Electrical heating, makes the temperature of liquid crystal display rise to normally to work, and the 2nd λ phase delay chip 5 lower surface
Electro-magnetic screen layer 6 turned on by the display installation body 9 of copper-foil conducting electricity with metal material, formed good
Electromagnetic shielding, it is possible to ensure that display normally works in complicated electromagnetic interference environment.
Composite glass structure for liquid crystal display of the present utility model uses at liquid crystal display front end, liquid crystal
The direct reflection of display surface can control within 1%, and the light of liquid crystal panel outgoing is had more than 85%
Transmitance, simultaneously by electro-magnetic screen function layer and the setting of low-temperature heat functional layer, it is possible to achieve electromagnetic screen
Cover and front-mounted heating function.Relative to the structure of sandwich structure of the prior art, described in the utility model
Composite glass structure for liquid crystal display, it is not necessary to split out from module by liquid crystal panel, decreases work
Link, reduces manufacturing cost, and material is easy to get, technological operation simple, avoid liquid crystal in sandwich structure
The display defects such as the MURA showing the liquid crystal panel of device and causing because upper and lower surface fits glass simultaneously, globality
Can be obviously improved.
Above in conjunction with accompanying drawing, this utility model is carried out exemplary description, it is clear that the reality that this utility model is concrete
Now it is not subject to the restrictions described above, as long as have employed method of the present utility model design and technical scheme is carried out
Various improvement, or the most improved design of the present utility model and technical scheme are directly applied to other occasions,
All in protection domain of the present utility model.
Claims (10)
1. the composite glass structure for liquid crystal display, described liquid crystal display includes liquid crystal panel (1), the described composite glass structure for liquid crystal display fits in the upper surface of liquid crystal panel (1), it is characterized in that: the functional layer of described composite glass structure includes one side anti-reflection glassy layer (2), linear polarizer (3), oneth λ phase delay chip (4), 2nd λ phase delay chip (5), described linear polarizer (3) one side is connected with one side anti-reflection glassy layer (2), linear polarizer (3) another side and a λ phase delay chip (4) one side connect, 2nd λ phase delay chip (5) one side is fitted with liquid crystal panel (1) upper surface, 2nd λ phase delay chip (5) another side and λ phase delay chip (4) another side laminating.
Composite glass structure for liquid crystal display the most according to claim 1, it is characterized in that: the functional layer of described composite glass structure also includes electro-magnetic screen function layer (6) and low-temperature heat functional layer (7), described electro-magnetic screen function layer (6) one side and λ phase delay chip (4) another side laminating, electro-magnetic screen function layer (6) another side and low-temperature heat functional layer (7) one side laminating, 2nd λ phase delay chip (5) one side is fitted with liquid crystal panel (1) upper surface, 2nd λ phase delay chip (5) another side is fitted with low-temperature heat functional layer (7) another side.
Composite glass structure for liquid crystal display the most according to claim 2, it is characterised in that: fit together by optical cement respectively between each functional layer of described composite glass structure.
Composite glass structure for liquid crystal display the most according to claim 1, it is characterised in that: it is coated with antireflection film layer (8) on the one side surface that described one side anti-reflection glassy layer (2) is not connected with linear polarizer (3).
Composite glass structure for liquid crystal display the most according to claim 1, it is characterised in that: described linear polarizer (3) is iodine system high-polarization polaroid.
Composite glass structure for liquid crystal display the most according to claim 2, it is characterized in that: the polarization of the upper polarizer of the fast axle of the 2nd described λ phase delay chip (5) and liquid crystal panel (1) is 45° angle or-45° angle through axle clamp angle, in the range of the λ numerical range of the 2nd λ phase delay chip (5) is arranged on 550nm ± 100nm.
Composite glass structure for liquid crystal display the most according to claim 2, it is characterized in that: the polarization of described linear polarizer (3) is 45° angle or-45° angle through the angle between axle and the fast axle of a λ phase delay chip (4), the polarization of described linear polarizer (3) is consistent with the polarized light of liquid crystal display polarization direction after the 2nd λ phase delay chip (5) and a λ phase delay chip (4) through axle.
Composite glass structure for liquid crystal display the most according to claim 2, it is characterized in that: described composite glass structure is arranged on the display of hollow structure and installs in body (9), display is installed body (9) bottom and is arranged display circuit panel (10), display light guide plate (11), display backlight (12), display blooming (13), display blooming (13) is positioned between liquid crystal panel (1) and light guide plate (11), and display backlight (12) is positioned at light guide plate (11) side.
Composite glass structure for liquid crystal display the most according to claim 2, it is characterized in that: described electro-magnetic screen function layer (6) is metal gauze or ITO conductive layer or other isotropic transparency conducting layers, described electro-magnetic screen function layer (6) arranges attachment base material, the structure that attachment base material is set to a λ phase delay chip (4) or glass or other isotropism effect free of birefringence material is made.
Composite glass structure for liquid crystal display the most according to claim 2, it is characterized in that: described low-temperature heat functional layer (7) arranges attachment base material, the structure that attachment base material is set to glass or other isotropism effect free of birefringence material is made, the upper setting of low-temperature heat functional layer (7) pastes or prints the conductive electrode bar that conductive silver paste making system is made by Copper Foil, and conductive electrode bar is connected with power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620262312.4U CN205507299U (en) | 2016-03-31 | 2016-03-31 | A composite glass structure for LCD |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620262312.4U CN205507299U (en) | 2016-03-31 | 2016-03-31 | A composite glass structure for LCD |
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| Publication Number | Publication Date |
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| CN205507299U true CN205507299U (en) | 2016-08-24 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105629553A (en) * | 2016-03-31 | 2016-06-01 | 中航华东光电有限公司 | Composite glass structure used for liquid crystal display |
| CN108901191A (en) * | 2018-07-17 | 2018-11-27 | 京东方科技集团股份有限公司 | Electromagnetic shielding component and display device |
| CN109375400A (en) * | 2018-10-12 | 2019-02-22 | 中航华东光电有限公司 | Novel optical heater and preparation method thereof |
| CN109862639A (en) * | 2019-03-26 | 2019-06-07 | 北京航天发射技术研究所 | A kind of glass with electric heating and function of shielding |
| TWI795147B (en) * | 2021-12-27 | 2023-03-01 | 大陸商鴻通科技（廈門）有限公司 | Display apparatus |
-
2016
- 2016-03-31 CN CN201620262312.4U patent/CN205507299U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105629553A (en) * | 2016-03-31 | 2016-06-01 | 中航华东光电有限公司 | Composite glass structure used for liquid crystal display |
| CN108901191A (en) * | 2018-07-17 | 2018-11-27 | 京东方科技集团股份有限公司 | Electromagnetic shielding component and display device |
| US10660247B2 (en) | 2018-07-17 | 2020-05-19 | Boe Technology Group Co., Ltd. | Electromagnetic shielding module and display device |
| CN109375400A (en) * | 2018-10-12 | 2019-02-22 | 中航华东光电有限公司 | Novel optical heater and preparation method thereof |
| CN109862639A (en) * | 2019-03-26 | 2019-06-07 | 北京航天发射技术研究所 | A kind of glass with electric heating and function of shielding |
| CN109862639B (en) * | 2019-03-26 | 2021-12-07 | 北京航天发射技术研究所 | Glass with electric heating and shielding functions |
| TWI795147B (en) * | 2021-12-27 | 2023-03-01 | 大陸商鴻通科技（廈門）有限公司 | Display apparatus |
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