CN109445153A - A kind of special-shaped liquid crystal screen component for having low temperature and being evenly heated function - Google Patents
A kind of special-shaped liquid crystal screen component for having low temperature and being evenly heated function Download PDFInfo
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- CN109445153A CN109445153A CN201811397982.7A CN201811397982A CN109445153A CN 109445153 A CN109445153 A CN 109445153A CN 201811397982 A CN201811397982 A CN 201811397982A CN 109445153 A CN109445153 A CN 109445153A
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- special
- liquid crystal
- main electrode
- crystal screen
- shaped liquid
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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
Abstract
The invention discloses the special-shaped liquid crystal screen components for having low temperature and being evenly heated function, comprising: is connected to functional glass plate, special-shaped liquid crystal display and special-shaped heater in turn from top to bottom;Special-shaped heater includes: ito glass, main electrode and auxiliary electrode;Ito glass is in regular polygon, and the length of main electrode is equal with the side length of ito glass, the length of auxiliary electrode is the 1/6-1/4 of ito glass side length, every two main electrode forms main electrode group, every two auxiliary electrode forms auxiliary electrode group, and main electrode group and auxiliary electrode group are arranged at intervals on each turning of ito glass, are connected separately with aviation wire in the main electrode group that two of them are oppositely arranged, one aviation wire connects power supply, another aviation wire ground connection.The problem of abnormity liquid crystal screen component overcomes heater in the prior art, and when low-temperature heat will make the response speed of display module surrounding slower than intermediate region, and four side of picture is trailed, excessive temperature differentials.
Description
Technical field
The present invention relates to liquid crystal screen component fields, and in particular, to a kind of special-shaped liquid for having low temperature and being evenly heated function
Brilliant screen assembly.
Background technique
The harsh complexity of the working environment of airbome liquid crystal display module, therefore its desired operating temperature range is wider, due to
The physical characteristic of liquid crystal material itself limits, temperature be reduced to -20 DEG C it is even lower when, under the performance of electric field controls liquid crystal deflection
Drop, the response time is elongated, contrast decline, even fails so as to cause display function is abnormal.And extraordinary display field is to display
The ambient temperature requirements of module are higher, and low temperature limits may be down to -45 DEG C hereinafter, almost " solidifying " to this range Mesophase Liquid Crystals molecule
It is opaque in position.It is required in this environment in order to make display module still meet normal display function, it is necessary to
Active heating is carried out close to the place of liquid crystal display panel to reach in the short time so that liquid crystal layer temperature rises to normal range of operation
The purpose that can be used.
According to the contour structures of liquid crystal display, conventional display module mostly uses rectangular or square heater, and uses
A pair of of parallel pole control, to obtain ideal heating effect, but peripheral temperature can be lower than central temperature when its work, low
The response speed of display module surrounding will be made slower than intermediate region when temperature heating, four side of picture is trailed, excessive temperature differentials
And heater it is excessively thin when even will cause heater cracking.And for special-shaped LCD MODULE, currently without mature heating
Design can borrow, and need to carry out adaptability design according to the specific shape of liquid crystal display.
Therefore, the present invention devises a kind of special-shaped liquid crystal screen component for having low temperature and being evenly heated function, can be used for airborne
Special-shaped LCD MODULE, especially effective display area domain are that circular LCD MODULE is asking for urgent need to resolve of the present invention
Topic.
Summary of the invention
In view of the above technical problems, the purpose of the present invention is overcome in the prior art conventional display module mostly use rectangle
Or the heater of square, and using a pair of of parallel pole control, to obtain ideal heating effect, but it is all when its work
Side temperature can be lower than central temperature, and when low-temperature heat will make the response speed of display module surrounding slower than intermediate region, draw
The problem of four side of face is trailed, and even will cause heater cracking when excessive temperature differentials and excessively thin heater, to provide one kind
Have the special-shaped liquid crystal screen component that low temperature is evenly heated function, can be used for airborne special-shaped LCD MODULE, it is especially effectively aobvious
Show that region is circular LCD MODULE.
To achieve the goals above, the present invention provides a kind of special-shaped liquid crystal display groups for having low temperature and being evenly heated function
Part, the abnormity liquid crystal screen component include: to be connected to functional glass plate, special-shaped liquid crystal display and abnormity in turn from top to bottom to add
Hot device;Wherein,
The abnormity heater includes: ito glass, main electrode and auxiliary electrode;The ito glass is in regular polygon, and institute
The length for stating main electrode is equal with the side length of the ito glass, and the length of the auxiliary electrode is the 1/6- of the ito glass side length
1/4, main electrode described in every two forms main electrode group, and auxiliary electrode described in every two forms auxiliary electrode group, and the main electrode group
It is arranged at intervals on each turning of the ito glass with the auxiliary electrode group, divides in the main electrode group that two of them are oppositely arranged
It is not connected with aviation wire, an aviation wire connects power supply, another aviation wire ground connection.
Preferably, described to have low temperature to be evenly heated the special-shaped liquid crystal screen component of function further include compensating heating device, institute
State the lower surface that compensating heating device is fixed on the special-shaped heater.
Preferably, optical glue is provided between the functional glass plate and special-shaped liquid crystal display;The compensation heating
The first adhesive tape is provided between device and the special-shaped heater;Pass through second between special-shaped liquid crystal display and special-shaped heater
Adhesive tape is connected.
Preferably, the ito glass is in octagon, and the main electrode is at least arranged four, and the auxiliary electrode is at least
Setting four.
Preferably, conductive silver paste or conductive copper paste has been respectively coated on the main electrode and the auxiliary electrode.
Preferably, the length of the auxiliary electrode is the 1/5 of the ito glass side length.
Preferably, the width range of the main electrode and the auxiliary electrode is all 1mm-2mm.
Preferably, the geomery of the compensating heating device is identical as the special-shaped heater, and the compensation is heated
The middle section of device does cross cutting and hollows out processing, only retains marginal portion, and border width and electrode strip are of same size.
According to the above technical scheme, it is provided by the invention have low temperature and be evenly heated the special-shaped liquid crystal screen component of function make
Used time, it is circle that the advantage is that, which can provide low-temperature heat function, especially effective display area for the airborne display module of abnormity,
The LCD MODULE of shape.The heater of the liquid crystal screen component is designed using main and auxiliary two pairs of electrodes, and biggish heating may be implemented
Area coverage, while radiating also directed to liquid crystal screen component edge under the low in calories and low temperature of the heater electrode boundary position
Fast problem.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the special-shaped liquid crystal for having low temperature and being evenly heated function provided in a kind of preferred embodiment of the invention
The structural schematic diagram of screen assembly;
Fig. 2 is the special-shaped liquid crystal for having low temperature and being evenly heated function provided in a kind of preferred embodiment of the invention
The structural schematic diagram of special-shaped heater on screen assembly.
Fig. 3 is the compensating heating device for having low temperature and being evenly heated function provided in a kind of preferred embodiment of the invention
Structural schematic diagram.
Description of symbols
1 functional glass plate, 2 optical glue
34 second adhesive tapes of special-shaped liquid crystal display
56 first adhesive tapes of special-shaped heater
7 compensating heating device, 8 ito glass
9 main electrode, 10 auxiliary electrode
11 aviation wires
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
In the present invention, in the absence of explanation to the contrary, the noun of locality that " upper and lower, inside and outside " etc. is included in the term
Only represent orientation of the term under normal service condition, or be those skilled in the art understand that be commonly called as, and be not construed as pair
The limitation of the term.
As depicted in figs. 1 and 2, the present invention provides a kind of special-shaped liquid crystal screen component for having low temperature and being evenly heated function,
The abnormity liquid crystal screen component includes: to be connected to functional glass plate 1, special-shaped liquid crystal display 3 and abnormity in turn from top to bottom to add
Hot device 5;Wherein, the special-shaped heater 5 includes: ito glass 8, main electrode 9 and auxiliary electrode 10;The ito glass 8 is in just more
Side shape, and the length of the main electrode is equal with the side length of the ito glass 8, the length of the auxiliary electrode 10 is the ITO glass
The 1/6-1/4 of 8 side length of glass, main electrode 9 described in every two form main electrode group, and auxiliary electrode 10 described in every two forms auxiliary electrode
Group is connected separately with aviation wire 11 in the main electrode group that two of them are oppositely arranged, and an aviation wire 11 connects electricity
Source, another aviation wire 11 are grounded.
According to the above technical scheme, it is provided by the invention have low temperature and be evenly heated the special-shaped liquid crystal screen component of function make
Used time, it is circle that the advantage is that, which can provide low-temperature heat function, especially effective display area for the airborne display module of abnormity,
The LCD MODULE of shape.The heater of the liquid crystal screen component is designed using main and auxiliary two pairs of electrodes, and biggish heating may be implemented
Area coverage, while can solve liquid crystal screen component edge under the low in calories and low temperature of heater electrode boundary position and radiating
Fast problem.
When in use, the boundary position temperature of main and auxiliary electrode is lower, and due to liquid crystal display in the heating process of liquid crystal display
Edge is contacted with the hardware of display module, and the edge heat dissipation for causing liquid crystal display is very fast, and central temperature is higher, to lead
Cause the response speed of liquid crystal display fringe region under low temperature slower.In a preferred embodiment of the invention, described to have
The special-shaped liquid crystal screen component that low temperature is evenly heated function further includes compensating heating device 7, and the compensating heating device 7 is fixed on institute
The lower surface of special-shaped heater 5 is stated, the compensating heating device 7 is tied to the back side of heater by adhesive tape, compensation heating
Device 7 is the wire of thin-film package, and wire generates Joule heat and provides heat compensation for the edge of liquid crystal display after energization.
In a preferred embodiment of the invention, it is set between the functional glass plate 1 and special-shaped liquid crystal display 3
It is equipped with optical glue 2;The first adhesive tape 6 is provided between the compensating heating device 7 and the special-shaped heater 5;Special-shaped liquid crystal
The second adhesive tape 4 or optical glue 2 are provided between display screen 3 and special-shaped heater 5.
In a preferred embodiment of the invention, the ito glass 8 be in octagon, and the main electrode 9 to
Four are arranged less, the auxiliary electrode 10 is at least arranged four.
In a preferred embodiment of the invention, it has been respectively coated on the main electrode 9 and the auxiliary electrode 10
Conductive silver paste or conductive copper paste.
In a preferred embodiment of the invention, the length of the auxiliary electrode 10 is 8 side length of ITO glass
1/5.
In a preferred embodiment of the invention, the width range of the main electrode 9 and the auxiliary electrode 10 is all
It is 1mm-2mm.
In a preferred embodiment of the invention, the geomery of the compensating heating device 7 and the abnormity
Heater 5 is identical, and the middle section of the compensating heating device 7 does cross cutting and hollows out processing, only retains marginal portion, and edge
Width is of same size with electrode strip.As shown in figure 3, the length of the position A, B, C, D, E, F, G, H is 7 side of compensating heating device
Long half, resistance value are one times of other each section of resistance value.The position that two sides where B and C have a common boundary is also connected with aviation and leads
Line.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical solution of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (8)
1. a kind of special-shaped liquid crystal screen component for having low temperature and being evenly heated function, which is characterized in that the abnormity liquid crystal screen component
It include: to be connected to functional glass plate (1), special-shaped liquid crystal display (3) and special-shaped heater (5) in turn from top to bottom;Wherein,
The abnormity heater (5) includes: ito glass (8), main electrode (9) and auxiliary electrode (10);The ito glass (8) is in just
Polygon, and the length of the main electrode is equal with the side length of the ito glass (8), the length of the auxiliary electrode (10) is institute
The 1/6-1/4 of ito glass (8) side length is stated, main electrode (9) described in every two forms main electrode group, auxiliary electrode described in every two
(10) auxiliary electrode group is formed, and the main electrode group and the auxiliary electrode group are arranged at intervals on each the turning of the ito glass (8)
Angle is connected separately with aviation wire (11) in the main electrode group that two of them are oppositely arranged, and an aviation wire (11) is even
Connect power supply, another aviation wire (11) ground connection.
2. the special-shaped liquid crystal screen component according to claim 1 for having low temperature and being evenly heated function, which is characterized in that described
Having low temperature to be evenly heated the special-shaped liquid crystal screen component of function further includes compensating heating device (7), the compensating heating device (7)
It is fixed on the lower surface of the special-shaped heater (5).
3. the special-shaped liquid crystal screen component according to claim 2 for having low temperature and being evenly heated function, which is characterized in that described
Optical glue (2) are provided between functional glass plate (1) and special-shaped liquid crystal display (3);The compensating heating device (7) and institute
It states and is provided with the first adhesive tape (6) between special-shaped heater (5);Pass through between special-shaped liquid crystal display (3) and special-shaped heater (5)
Second adhesive tape (4) is connected.
4. the special-shaped liquid crystal screen component according to claim 1 for having low temperature and being evenly heated function, which is characterized in that described
Ito glass (8) is in octagon, and the main electrode (9) is at least arranged four, and the auxiliary electrode (10) is at least arranged four.
5. the special-shaped liquid crystal screen component according to claim 4 for having low temperature and being evenly heated function, which is characterized in that described
Conductive silver paste or conductive copper paste has been respectively coated on main electrode (9) and the auxiliary electrode (10).
6. the special-shaped liquid crystal screen component according to claim 5 for having low temperature and being evenly heated function, which is characterized in that described
The length of auxiliary electrode (10) is the 1/5 of the ito glass (8) side length.
7. the special-shaped liquid crystal screen component according to claim 5 for having low temperature and being evenly heated function, which is characterized in that described
The width range of main electrode (9) and the auxiliary electrode (10) is all 1mm-2mm.
8. the special-shaped liquid crystal screen component according to claim 2 for having low temperature and being evenly heated function, which is characterized in that described
The geomery of compensating heating device (7) is identical as special-shaped heater (5), and the centre of the compensating heating device (7)
Part does cross cutting and hollows out processing, only retains marginal portion, and border width and electrode strip are of same size.
Priority Applications (1)
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CN201811397982.7A CN109445153B (en) | 2018-11-22 | 2018-11-22 | Special-shaped liquid crystal screen assembly with low-temperature uniform heating function |
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CN201811397982.7A CN109445153B (en) | 2018-11-22 | 2018-11-22 | Special-shaped liquid crystal screen assembly with low-temperature uniform heating function |
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CN109445153A true CN109445153A (en) | 2019-03-08 |
CN109445153B CN109445153B (en) | 2022-03-25 |
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Citations (7)
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US20100033654A1 (en) * | 2008-08-07 | 2010-02-11 | Denso Corporation | Liquid crystal display device |
CN102879936A (en) * | 2012-10-15 | 2013-01-16 | 中航华东光电有限公司 | Uniform heating device applied to liquid crystal display and liquid crystal display |
CN102879933A (en) * | 2012-10-15 | 2013-01-16 | 中航华东光电有限公司 | Heater as well as shaped liquid crystal display with same and heating method thereof |
CN103018943A (en) * | 2012-11-29 | 2013-04-03 | 中国电子科技集团公司第五十五研究所 | Liquid crystal display with auxiliary heating electrodes and electrode manufacturing method |
CN103605230A (en) * | 2013-12-04 | 2014-02-26 | 中航华东光电有限公司 | Liquid crystal screen component with temperature compensation and heating function and liquid crystal display |
CN204422916U (en) * | 2015-01-14 | 2015-06-24 | 江苏华宁电子系统工程有限公司 | A kind of ultra-thin wide temperature LCD MODULE |
CN208044240U (en) * | 2018-02-12 | 2018-11-02 | 中航华东光电有限公司 | Circular shape heater |
-
2018
- 2018-11-22 CN CN201811397982.7A patent/CN109445153B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100033654A1 (en) * | 2008-08-07 | 2010-02-11 | Denso Corporation | Liquid crystal display device |
CN102879936A (en) * | 2012-10-15 | 2013-01-16 | 中航华东光电有限公司 | Uniform heating device applied to liquid crystal display and liquid crystal display |
CN102879933A (en) * | 2012-10-15 | 2013-01-16 | 中航华东光电有限公司 | Heater as well as shaped liquid crystal display with same and heating method thereof |
CN103018943A (en) * | 2012-11-29 | 2013-04-03 | 中国电子科技集团公司第五十五研究所 | Liquid crystal display with auxiliary heating electrodes and electrode manufacturing method |
CN103605230A (en) * | 2013-12-04 | 2014-02-26 | 中航华东光电有限公司 | Liquid crystal screen component with temperature compensation and heating function and liquid crystal display |
CN204422916U (en) * | 2015-01-14 | 2015-06-24 | 江苏华宁电子系统工程有限公司 | A kind of ultra-thin wide temperature LCD MODULE |
CN208044240U (en) * | 2018-02-12 | 2018-11-02 | 中航华东光电有限公司 | Circular shape heater |
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