CN105629553A - Composite glass structure used for liquid crystal display - Google Patents
Composite glass structure used for liquid crystal display Download PDFInfo
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- CN105629553A CN105629553A CN201610196712.4A CN201610196712A CN105629553A CN 105629553 A CN105629553 A CN 105629553A CN 201610196712 A CN201610196712 A CN 201610196712A CN 105629553 A CN105629553 A CN 105629553A
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- phase delay
- liquid
- crystal display
- delay chip
- composite glass
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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
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
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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
- G02F1/133382—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
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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
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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
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
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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
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
- G02F1/133331—Cover glasses
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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
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
- G02F1/133334—Electromagnetic shields
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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
- G02F1/133531—Polarisers characterised by the arrangement of polariser or analyser axes
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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 invention provides a composite glass structure used for a liquid crystal display. A functional layer of the composite glass structure comprises a single-face anti-reflection glass layer (2), a linear polaroid (3), a first lambda phase delay piece (4) and a second lambda phase delay piece (5); one face of the linear polaroid (3) is connected with the single-face anti-reflection glass layer (2), the other face of the linear polaroid (3) is connected with the first lambda phase delay piece (4), one face of the second lambda phase delay piece (5) is attached to the upper surface of a liquid crystal panel (1), and the other face of the second lambda phase delay piece (5) is attached to the other face of the first lambda phase delay piece (4). By means of the composite glass structure used for the liquid crystal display, work links and the manufacturing procedures are reduced while the anti-reflection performance, the electromagnetic shielding performance and heating performance of the liquid crystal display are guaranteed, and meanwhile chroma mura of the liquid crystal display and other display defects are avoided.
Description
Technical field
The invention belongs to LCD Technology field, more specifically, relate to a kind of composite glass structure for liquid-crystal display.
Background technology
The liquid crystal indicator of military aircraft passenger cabin or other outdoor uses, generally all has the requirement of high light temperature work visual, wide and electromagnetic shielding. in liquid-crystal display of the prior art, what the reinforcing of liquid crystal panel mainly adopted is that sandwich structure as shown in Figure 3 realizes. its structure mainly the upper surface of liquid crystal panel fitted one piece by liquid optical cement and have the electro-magnetic screen layer (electromagnetic shielding glass) of anti-reflection coating, fit one piece of transparent ITO conductive glass as low-temperature heat layer in the lower section of liquid crystal panel simultaneously. this electro-magnetic screen layer upper surface, by vacuum sputtering methods multi-layer optical thin film coating, reduces the reflection of upper surface visible ray by the interference effect of light, lower surface makes a conductive layer, and this conductive layer is fully contacted with hardware by copper-foil conducting electricity or additive method, it is achieved electro-magnetic screen function. described liquid crystal panel, electro-magnetic screen layer, low-temperature heat layer are installed in indicating meter and install in body. the conductive layer of this electromagnetic shielding glass has two kinds of implementation methods usually, a kind of ITO conductive layer being the method by vacuum sputtering and being coated with certain surface resistance, but owing to the refractive index of ITO material and glass and liquid optical cement is bigger, thickness and the visible wavelength of rete are close, therefore serious reflection can be caused, the interference effect by multilayer film is needed to reduce the reflection at interface, the electromagnetic shielding glass transmitance height (can accomplish that 95% is even higher) of this kind of method, display quality is good, but its effectiveness is more weak, and this technology is to the requirement height of equipment and process, difficulty is big, cost is also high, the external import of main dependence at present. another kind of vibrational power flow is the wire cloth using surface to do Darkening process, although the method can realize effective effectiveness, but the transmitance of wire cloth is generally lower than about 80%, and owing to its periodic grid matrix is easy and liquid crystal panel forms mole striped, affect display quality. meanwhile, well heater glass electrified regulation at low temperatures below liquid crystal panel, ensure liquid crystal panel (-45 DEG C) energy normal operation at low temperatures, but see according to knowhow, upper surface has been fitted the liquid crystal panel of electromagnetic shielding glass, it is easy to during one block of well heater glass if fitting again in lower section cause liquid crystal panel that the display defects such as display chroma uneven (mura) occur, this defect is at high temperature particularly evident, and when the lower section of liquid crystal panel laminating well heater glass, it is generally required to liquid crystal panel is reinforced from buying to split out the liquid crystal module come, what have even needs again to make the modules such as backlight, complex process, with high costs.
Summary of the invention
Technical problem to be solved by this invention is: for the deficiencies in the prior art, there is provided a kind of technique making processes simple, can while guaranteeing the anti-reflection performance of liquid-crystal display, capability of electromagnetic shielding, heating properties, do not need to split out liquid crystal panel from liquid crystal module to reinforce, thus decreasing working link and manufacturing process, the liquid crystal panel simultaneously avoiding liquid-crystal display of the prior art occurs the composite glass structure for liquid-crystal display of the display defects such as display chroma uneven (mura) in use.
Solving above-described technical problem, the technical scheme that the present invention takes is:
The present invention is that a kind of described liquid-crystal display comprises liquid crystal panel, the described composite glass structure for liquid-crystal display fits in the upper surface of liquid crystal panel, the functional layer of described composite glass structure comprises one side anti-reflection glass coating, linear polarizer, one �� phase delay chip, 2nd �� phase delay chip, described linear polarizer one side is connected with one side anti-reflection glass coating, linear polarizer another side is connected with a �� phase delay chip one side, 2nd �� phase delay chip one side is fitted with liquid crystal panel upper surface, 2nd �� phase delay chip another side and �� phase delay chip another side laminating.
The functional layer of described composite glass structure also comprises electro-magnetic screen function layer and low-temperature heat functional layer, described electro-magnetic screen function is laminated fits with a �� phase delay chip another side, electro-magnetic screen function layer another side and the one side laminating of low-temperature heat functional layer, 2nd �� phase delay chip one side and the laminating of liquid crystal panel upper surface, the 2nd �� phase delay chip another side and the laminating of low-temperature heat functional layer another side.
Fit together by optical cement respectively between each functional layer of described composite glass structure.
The one side that described one side anti-reflection glass coating is not connected with linear polarizer is provided with antireflective rete on the surface.
Described linear polarizer is iodine system high-polarization polaroid.
The described fast axle of the 2nd �� phase delay chip and the polarization of the upper polarizer of liquid crystal panel are 45�� angle or-45�� angle through the angle between axle, and the �� numerical range of the 2nd �� phase delay chip is arranged within the scope of 550nm �� 100nm.
The polarization of described linear polarizer is 45�� angle or-45�� angle through angle between axle and the fast axle of a �� phase delay chip, and the polarization of described linear polarizer is consistent through polarization direction after the 2nd �� phase delay chip and a �� phase delay chip of the polarized light of axle and liquid crystal panel outgoing.
The indicating meter that composite glass structure is arranged on hollow structure is installed in body, indicating meter is installed and is arranged display circuit switchboard, indicating meter light guiding plate, display backlight, indicating meter blooming bottom body, indicating meter blooming is between liquid crystal panel and indicating meter light guiding plate, and display backlight is positioned at light guiding plate side.
Described electro-magnetic screen function layer is wire cloth or ITO conductive layer or other isotropic transparency conducting layers, described electro-magnetic screen function layer arranges attachment base material, and attachment base material is set to the structure that a �� phase delay chip or glass or other isotropy free of birefringence effect materials are made.
Described low-temperature heat functional layer surface arranges attachment base material, attachment basic unit is set to the structure being made up of glass, PMMA or other isotropy free of birefringence effect materials, being arranged through the conductive electrode bar that Copper Foil pasted or printed conductive silver paste and makes system and do in low-temperature heat functional layer, conductive electrode bar is connected with power supply.
Adopt the technical scheme of the present invention, following useful effect can be obtained:
The composite glass structure for liquid-crystal display of the present invention is installed when working on a liquid crystal display, display circuit switchboard control indicating meter liquid crystal panel backlight lamp is luminous, light enters liquid crystal panel after the even light and blast of indicating meter liquid crystal panel light guiding plate and indicating meter liquid crystal panel blooming, the graphic information that main frame inputs is inputed to liquid crystal panel by display circuit switchboard simultaneously, thus show corresponding graphic information, it is assumed to be the polarized light that polarization angle is 0 �� from the light of liquid crystal panel outgoing, this polarized light is by being changed into circularly polarized light after the 2nd �� phase delay chip, the consistent line polarized light of direction of principal axis is passed through with linear polarizer polarization again by being changed into after a �� phase delay chip, through polaroid outgoing, transmitance can reach more than 85%. and after ambient is irradiated to liquid-crystal display, upper surface at one side anti-reflection glass coating produces the reflection of 0.3%, in inside, each interface (comprises electro-magnetic screen layer surface, low-temperature heat functional layer surface) reflected light that produces due to the effect of line polarized light and a �� phase delay chip almost can not outgoing, such that it is able to by the total surface reflex control of liquid-crystal display below 1%, even if thus ensure that indicating meter also has good display performance and readability under outdoor strong light environment. if indicating meter starts under low temperature (such as-45 DEG C), then display circuit switchboard control low-temperature heat functional layer electrified regulation, make the rise in temperature of liquid-crystal display to energy normal operation, and the electro-magnetic screen layer of a �� phase delay chip lower surface installs body conducting by the indicating meter of copper-foil conducting electricity and metallic substance, form good electromagnetic shielding, it is possible to ensure indicating meter normal operation in the electromagnetic interference environment of complexity. the composite glass structure of the present invention, there is provided a kind of be applicable to the composite glass structure of reinforced liquid crystal display front end and use the liquid-crystal display of this composite glass structure, this liquid-crystal display is on the basis having the anti-reflection of sandwich structure enhancement type liquid-crystal display, electromagnetic shielding and heating function concurrently, manufacturing cost is lower, material is easy to get, technological operation is simple, display defect is less, and overall performance obtains obvious lifting.
Accompanying drawing explanation
Content expressed by each accompanying drawing of this specification sheets and the mark in figure are made brief description below:
Fig. 1 is the sectional structure schematic diagram of the composite glass structure for liquid-crystal display of the present invention;
Fig. 2 is the sectional structure schematic diagram of liquid-crystal display of the present invention;
Fig. 3 is the sectional structure schematic diagram of liquid-crystal display of the prior art;
Reference numeral is: 1, liquid crystal panel; 2, one side anti-reflection glass coating; 3, linear polarizer; 4, a �� phase delay chip; 5, the 2nd �� phase delay chip; 6, electro-magnetic screen function layer; 7, low-temperature heat functional layer; 8, antireflective rete; 9, indicating meter installs body; 10, display circuit switchboard; 11, indicating meter liquid crystal panel light guiding plate; 12, indicating meter liquid crystal panel backlight lamp; 13, indicating meter liquid crystal panel blooming.
Embodiment
Compare accompanying drawing below, by the description to embodiment, to the specific embodiment of the present invention as the effect and principle of work etc. of the mutual position between the shape of involved each component, structure, each several part and connection relation, each several part are described in further detail:
Such as accompanying drawing 1, shown in accompanying drawing 2, the present invention is that a kind of described liquid-crystal display comprises liquid crystal panel 1, the described composite glass structure for liquid-crystal display fits in the upper surface of liquid crystal panel 1, the functional layer of described composite glass structure comprises one side anti-reflection glass coating 2, linear polarizer 3, one �� phase delay chip 4, 2nd �� phase delay chip 5, linear polarizer 3 one side is connected with one side anti-reflection glass coating 2, linear polarizer 3 another side is connected with �� phase delay chip 4 one side, 2nd �� phase delay chip 5 one side is fitted with liquid crystal panel 1 upper surface, 2nd �� phase delay chip 5 another side and �� phase delay chip 4 another side laminating.
Said structure arrange in one side anti-reflection glass coating be optical plate glass one side make antireflective coating, the reflection of glass surface can be down to less than 0.3% by this antireflective coating. This anti-reflection glass coating is by the multilayer optical film of vacuum sputtering or additive method deposition, these optical thin films are alternately made up of multilayer high refractive index film and multilayer low refractive index film usually, by the design to its refractive index and film thickness, the interference principle of light is utilized to realize the efficient anti-reflection in visible light wave range scope. Above-mentioned linear polarizer is iodine system polaroid. It is that polyvinyl alcohol (PVA) material after soaking and dyeing, is coated to cellulosetri-acetate respectively and is made in iodine liquid in top and bottom. The polarization of the fast axle of the 2nd �� phase delay chip 5 and the upper polarizer of liquid crystal panel is 45�� angle or-45�� angle through the angle between axle, and the �� numerical range of the 2nd �� phase delay chip 5 is arranged within the scope of 550nm �� 100nm. The polarization of described linear polarizer 3 is 45�� angle or-45�� angle through angle between axle and the fast axle of a �� phase delay chip 4, and the polarization of described linear polarizer 3 is consistent through polarization direction after the 2nd �� phase delay chip 5 and a �� phase delay chip 4 of the polarized light of axle and liquid crystal panel outgoing.
The functional layer of described composite glass structure also comprises electro-magnetic screen function layer 6 and low-temperature heat functional layer 7, electro-magnetic screen function layer 6 one side and a �� 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 �� phase delay chip 5 one side and the laminating of liquid crystal panel 1 upper surface, the 2nd �� phase delay chip 5 another side and the laminating of low-temperature heat functional layer 7 another side.
Described electro-magnetic screen function layer 6 is wire cloth or ITO conductive layer or other isotropic transparency conducting layers, described electro-magnetic screen function layer 6 surface arranges attachment base material, and attachment base material is set to the structure being made up of �� phase delay chip or glass or other isotropy free of birefringence effect materials.
Described low-temperature heat functional layer 7 surface arranges attachment base material, attachment basic unit is set to the structure being made up of glass, PMMA or other isotropy free of birefringence effect materials, being arranged through the conductive electrode bar that Copper Foil pasted or printed conductive silver paste and makes system and do in low-temperature heat functional layer 7, conductive electrode bar is connected with power supply. The setting of described low-temperature heat functional layer 7, at low ambient temperatures (such as-45 DEG C), display circuit switchboard control low-temperature heat functional layer 7 electrified regulation, ensures that liquid-crystal display can normal operation.
Pasted by optical cement respectively between each functional layer of described composite glass structure and link together. Optical cement can reliably realize the setting between each functional layer, can not lose efficacy because of temperature variation, it is to increase uses the performance and used life of the liquid-crystal display of the composite glass structure for liquid-crystal display of the present invention.
In the liquid-crystal display of the present invention; it is that each parts in inside play protection and supporting role that indicating meter installs the main effect of body; with fixing of external agency; conducting good in the electro-magnetic screen layer of multi-functional compound glass simultaneously; thus realize the electro-magnetic screen function of whole indicating meter, ensure the normal display of liquid-crystal display.
After described composite glass structure laminating and liquid crystal panel 1 upper surface, the indicating meter being arranged on hollow structure together is installed in body 9, indicating meter is installed and is arranged display circuit switchboard 10, light guiding plate 11, backlight 12, blooming 13 bottom body 9, blooming 13 is between light guiding plate 11 and liquid crystal panel 1, and backlight 12 is positioned at the side of light guiding plate 11.
Liquid-crystal display of the present invention is operationally, it is luminous that display circuit switchboard 10 controls indicating meter liquid crystal panel backlight lamp 12, light enters liquid crystal panel 1 after the even light and blast of indicating meter liquid crystal panel light guiding plate 11 and indicating meter liquid crystal panel blooming 13, the graphic information that main frame inputs is inputted each liquid crystal panel 1 by display circuit switchboard 9 simultaneously, thus show corresponding graphic information, be polarization angle from the light of liquid crystal panel 1 outgoing it is the polarized light of 0 ��, this polarized light is by being changed into circularly polarized light after the 2nd �� phase delay chip 5, the consistent line polarized light of direction of principal axis is passed through with linear polarizer 3 polarization again by being changed into after a �� phase delay chip 4, all through polaroid outgoing, outgoing brightness can up to more than 1000nit. and after ambient is irradiated to liquid-crystal display, upper surface at one side anti-reflection glass coating 2 produces the reflection of 0.3%, in inside, each interface (comprises electro-magnetic screen layer surface, low-temperature heat functional layer surface) reflected light that produces due to the effect of line polarized light and a �� phase delay chip 4 almost can not outgoing, such that it is able to by the total surface reflex control of liquid-crystal display below 1%, even if thus ensure that indicating meter also has good display performance in open air. if indicating meter starts at low temperature-45 DEG C, then display circuit switchboard 10 controls low-temperature heat functional layer 7 electrified regulation, make the rise in temperature of liquid-crystal display to energy normal operation, and the electro-magnetic screen layer 6 of the 2nd �� phase delay chip 5 lower surface installs body 9 conducting by the indicating meter of copper-foil conducting electricity and metallic substance, form good electromagnetic shielding, it is possible to ensure indicating meter normal operation in the electromagnetic interference environment of complexity.
The composite glass structure for liquid-crystal display of the present invention is used in liquid crystal display front end, the specular reflection of liquid crystal display surface can control within 1%, and the light of liquid crystal panel outgoing had the transmitance of more than 85%, simultaneously by the setting of electro-magnetic screen function layer and low-temperature heat functional layer, it is possible to realize electromagnetic shielding and preposition heating function. Relative to the structure of sandwich structure of the prior art, composite glass structure for liquid-crystal display of the present invention, do not need from module, split out liquid crystal panel, decrease working link, reduce manufacturing cost, material is easy to get, technological operation is simple, the glass that avoids the liquid crystal panel of liquid-crystal display in sandwich structure because upper and lower surface is fitted simultaneously and the display defects such as the MURA that causes, and overall performance obtains obvious lifting.
Above in conjunction with accompanying drawing to invention has been exemplary description; the concrete realization of obvious the present invention is not subject to the restrictions described above; as long as have employed the various improvement that the design of the method for the present invention carries out with technical scheme; or without improving, the design of the present invention and technical scheme directly applied to other occasions, all in protection scope of the present invention.
Claims (10)
1. the composite glass structure for liquid-crystal display, described liquid-crystal display comprises 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 comprises one side anti-reflection glass coating (2), linear polarizer (3), one �� phase delay chip (4), 2nd �� phase delay chip (5), described linear polarizer (3) one side is connected with one side anti-reflection glass coating (2), linear polarizer (3) another side is connected with �� phase delay chip (4) one side, 2nd �� phase delay chip (5) one side is fitted with liquid crystal panel (1) upper surface, 2nd �� phase delay chip (5) another side and �� phase delay chip (4) another side laminating.
2. the composite glass structure for liquid-crystal display according to claim 1, it is characterized in that: the functional layer of described composite glass structure also comprises electro-magnetic screen function layer (6) and low-temperature heat functional layer (7), described electro-magnetic screen function layer (6) one side and �� 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 �� phase delay chip (5) one side is fitted with liquid crystal panel (1) upper surface, 2nd �� phase delay chip (5) another side and the laminating of low-temperature heat functional layer (7) another side.
3. the composite glass structure for liquid-crystal display according to claim 2, it is characterised in that: fit together by optical cement respectively between each functional layer of described composite glass structure.
4. the composite glass structure for liquid-crystal display according to claim 1, it is characterised in that: the one side that described one side anti-reflection glass coating (1) is not connected with linear polarizer (3) is coated with highly effective antireflection film layer (8) on the surface.
5. the composite glass structure for liquid-crystal display according to claim 1, it is characterised in that: described linear polarizer (3) is height iodine system polaroid.
6. the composite glass structure for liquid-crystal display according to claim 2, it is characterized in that: the polarization of the upper polarizer of the fast axle of the 2nd described �� phase delay chip (5) and liquid crystal panel (1) is 45�� angle or-45�� angle through axle angle, and the �� numerical range of the 2nd �� phase delay chip (5) is arranged within the scope of 550nm �� 100nm.
7. the composite glass structure for liquid-crystal display according to claim 2, it is characterized in that: the polarization of described linear polarizer (3) is 45�� angle or-45�� angle through angle between axle and the fast axle of a �� phase delay chip (4), the polarization direction of the polarized light that the polarization of described linear polarizer (3) passes through axle and liquid-crystal display after the 2nd �� phase delay chip (5) and a �� phase delay chip (4) is consistent.
8. the composite glass structure for liquid-crystal display according to claim 2, it is characterized in that: the indicating meter that described composite glass structure is arranged on hollow structure is installed in body (9), indicating meter is installed body (9) bottom and is arranged display circuit switchboard (10), indicating meter light guiding plate (11), display backlight (12), indicating meter blooming (13), indicating meter blooming (13) is positioned between liquid crystal panel (1) and light guiding plate (11), display backlight (12) is positioned at light guiding plate (11) side.
9. the composite glass structure for liquid-crystal display according to claim 2, it is characterized in that: described electro-magnetic screen function layer (6) is wire cloth or ITO conductive layer or other isotropic transparency conducting layers, described electro-magnetic screen function layer (6) arranges attachment base material, and attachment base material is set to the structure that a �� phase delay chip (4) or glass or other isotropy free of birefringence effect materials are made.
10. the composite glass structure for liquid-crystal display 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 isotropy free of birefringence effect materials are made, being arranged through the conductive electrode bar that Copper Foil pasted or printed conductive silver paste and makes system and do in low-temperature heat functional layer (7), conductive electrode bar is connected with power supply.
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Application publication date: 20160601 |