CN109041308A - A kind of electric heating function glass and display module - Google Patents

A kind of electric heating function glass and display module Download PDF

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Publication number
CN109041308A
CN109041308A CN201811105312.3A CN201811105312A CN109041308A CN 109041308 A CN109041308 A CN 109041308A CN 201811105312 A CN201811105312 A CN 201811105312A CN 109041308 A CN109041308 A CN 109041308A
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CN
China
Prior art keywords
electric heating
glass
metal lead
lead wire
conducting layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811105312.3A
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Chinese (zh)
Inventor
张兴国
毛新磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Benrui Photoelectric Technology Co Ltd
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Suzhou Benrui Photoelectric Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou Benrui Photoelectric Technology Co Ltd filed Critical Suzhou Benrui Photoelectric Technology Co Ltd
Priority to CN201811105312.3A priority Critical patent/CN109041308A/en
Publication of CN109041308A publication Critical patent/CN109041308A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00Ohmic-resistance heating
    • H05B3/84Heating arrangements specially adapted for transparent or reflecting areas, e.g. for demisting or de-icing windows, mirrors or vehicle windshields
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/133382Heating 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
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00Ohmic-resistance heating
    • H05B3/02Details

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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)
  • Surface Heating Bodies (AREA)

Abstract

The invention discloses a kind of electric heating function glass and its display modules, wherein electric heating function glass includes the transparency conducting layer (2) of glass (1) and setting on the glass (1), the transparency conducting layer (2) is divided into several electric heating units (2-1), and the opposite both ends of the electric heating unit (2-1) connect the first metal lead wire (4) through the first metal block (3) respectively.Electric heating function glass provided by the invention and its display module, can be evenly heated glass, so that display image quality is uniformly clear.

Description

A kind of electric heating function glass and display module
Technical field
The present invention relates to display equipment technical field, in particular to a kind of electric heating function glass and display module.
Background technique
Liquid crystal display has been substituted traditional CRT TV applications in various industries because its is frivolous, image quality is clear at present, Its temperature range used is generally -30 DEG C~80 DEG C, and humidity is more than this range, display screen cannot be just within 90% Often display.Simultaneously when liquid crystal display, which is used in, is easy the occasion being impacted, when as on equipment, aircraft, it usually needs in liquid crystal Glass surface is further added by one or more cover-plate glass and is protected.Because liquid crystal display has electromagnetic radiation, in military project application Occasion, it is also necessary to be electromagnetically shielded in display screen front.
Fig. 1 (a) is the front view of electrically heated glass in the prior art, has transparent metal layer 200 on 100 surface of glass, There are two strip electrodes 400 outside display area 300, electrode 400 is connect with metal lead wire 500, by applying voltage or electric current to metal 500 both ends of lead form an electric field, are heating of the thermal energy realization to glass 100 by electrotransformation.Electrically heated glass has two at present Kind mode, as shown in Fig. 1 (b), one is wire mesh 700 is pressed from both sides between two glass 100,600, as shown in Fig. 1 (c), separately One is transparent transparent metal layer 200 is plated on 100 surface of glass.The mode that wire is pressed from both sides between glass, because of wire Naked eyes see that transmitance is low, and more and more modes for using transparent metal coating, also have using transparent nano silver wire at present Mode.But no matter which kind of mode, entire heating zone is an entirety, from lead end apply voltage to different location lead end When, the voltage at both ends can be variant, and entire metal layer or coating can not accomplish completely the same thickness because of technique limitation Degree, causes different blocks sheet resistance to have very big difference (block A and block B in such as Fig. 1 (a)), so leads to the heating of different location Unevenly, the display quality of display screen is influenced.
Summary of the invention
It is an object of the present invention to provide a kind of electric heating function glass and display modules, can be accurately controlled each region Temperature realizes uniform display.
Based on the above issues, technical solution provided by the invention first is that:
A kind of electric heating function glass, it is described transparent to lead including glass and the transparency conducting layer that is arranged on the glass Electric layer is divided into several electric heating units, and the opposite both ends of the electric heating unit connect the first gold medal through the first metal block respectively Belong to lead.
In some embodiments wherein, the electric heating unit is elongated, and the electric heating unit is along the glass The width direction of glass arranges that several electric heating units are sequentially arranged along the glass length direction.
In some embodiments wherein, several described electric heating units are divided into along glass width direction center The width of two groups of electric heating units that line is arranged symmetrically, each group of electric heating unit gradually subtracts from the glass outer edge to middle part Small, one end of first metal lead wire is connected to the first metal block and the other end extends to glass width direction outer edge Middle part, the resistance in each electric heating unit circuit is equal.
In some embodiments wherein, first metal lead wire is connected to positive electrode or negative electrode.
In some embodiments wherein, Transparent shielding unit, the transparent screen are equipped between the electric heating unit The second metal block of both ends for covering unit is connected to the second metal lead wire, the second metal lead wire ground connection.
Based on the above issues, technical solution provided by the invention second is that:
A kind of electric heating function glass, it is described transparent to lead including glass and the transparency conducting layer that is arranged on the glass Electric layer includes the first transparency conducting layer and the second transparency conducting layer arranged from bottom to top, first transparency conducting layer with it is described Transparent insulating layer is equipped between second transparency conducting layer;First transparency conducting layer is divided into along the glass first direction cloth Draw through third metal block connection third metal at the both ends of several first electric heating units set, first electric heating unit Line, second transparency conducting layer is divided into several second electric heating units along glass second direction arrangement, described Second electric heating unit connects the 4th metal lead wire through the 4th metal block, and the second direction and the first direction mutually hang down Directly.
In some embodiments wherein, first electric heating unit, the second electric heating unit are strip, institute It states the first electric heating unit to arrange along the glass width direction, second electric heating unit is along glass length direction cloth It sets.
In some embodiments wherein, the third metal lead wire is extended in the extension of the glass width direction Portion or non-display area any position, the 4th metal lead wire extend to the middle part or non-display of glass length direction extension Area's any position.
In some embodiments wherein, the first Transparent shielding unit, institute are equipped between first electric heating unit The both ends for stating the first Transparent shielding unit connect fifth metal lead, the fifth metal wire ground through fifth metal block;Institute It states and is equipped with the second Transparent shielding unit, the 6th metal of both ends of the second Transparent shielding unit between the second electric heating unit Block connects the 6th metal lead wire, the 6th metal lead wire ground connection.
The present invention also provides technical solutions below:
A kind of display module, with electric heating function glass described in above-mentioned any one.
Compared with prior art, the invention has the advantages that
Using technical solution of the present invention, it is in multiple electric heating units by separating transparency conducting layer, can individually applies Voltage or electric current.Keep sheet resistance, the driving voltage of different location consistent, the temperature of each region can be accurately controlled, realizes equal Even display.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment Attached drawing be briefly described, drawings in the following description are only some embodiments of the invention, skill common for this field For art personnel, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 (a) is the structural schematic diagram of electrically heated glass in the prior art;
Fig. 1 (b) is a kind of side view of electrically heated glass in the prior art;
Fig. 1 (c) is the surveys view of another electrically heated glass in the prior art;
Fig. 2 is the structural schematic diagram of electric heating function Glazing example 1 of the present invention;
Fig. 3 is the structural schematic diagram of the embodiment of the present invention 2;
Fig. 4 is the structural schematic diagram of the embodiment of the present invention 3;
Fig. 5 is the structural schematic diagram of the embodiment of the present invention 4;
Fig. 6 is the structural schematic diagram in 4 another direction of the embodiment of the present invention;
Fig. 7 is the structural schematic diagram of the first transparency conducting layer in the embodiment of the present invention 4;
Fig. 8 is the structural schematic diagram of the second transparency conducting layer in the embodiment of the present invention 4;
Fig. 9 is the structural schematic diagram of the embodiment of the present invention 5;
Wherein:
100, glass;200, transparent metal layer;300, display area;400, electrode;500, metal lead wire;600, glass; 700, wire mesh;
1, glass;1-1, display area;2, transparency conducting layer;2-1, electric heating unit;2-2, the first transparency conducting layer;2- 3, the second transparency conducting layer;2-3, transparent insulating layer;3, the first metal block;4, the first metal lead wire;5, positive electrode;6, negative electricity Pole;7, Transparent shielding unit;8, the second metal block;9, the second metal lead wire;10, it is grounded;11, the first electric heating unit;12, Three metal blocks;13, third metal lead wire;14, the second electric heating unit;15, the 4th metal block;16, the 4th metal lead wire;17, First Transparent shielding unit;18, fifth metal block;19, fifth metal lead;20, the second Transparent shielding unit;21, the 6th gold medal Belong to block;22, the 6th metal lead wire.
Specific embodiment
Above scheme is described further below in conjunction with specific embodiment.It should be understood that these embodiments are for illustrating The present invention and be not limited to limit the scope of the invention.Implementation condition used in the examples can be done according to the condition of specific producer Further adjustment, the implementation condition being not specified is usually the condition in routine experiment.
Referring to fig. 2, it is structural schematic diagram of the invention, a kind of electric heating function glass is provided, including glass and setting exists Transparency conducting layer 2 on glass 1, the transparency conducting layer 2 are divided into several electric heating units 2-1, and the two of electric heating unit 2-1 End is connected to the first metal lead wire 4 through the first metal block 3 respectively.In this example, electric heating unit 2-1 is rectangle, and along glass 1 Width direction arrangement, several electric heating units 2-1 is sequentially arranged along 1 length direction of glass, and arranged in parallel, first Metal lead wire 4 extends to the middle part of 1 width direction extension of glass.In implementation, electric heating unit 2-1's is preferably shaped to strip Shape can be the rectangle of rule, can also can also extend to for rule or irregular polygon, the first metal lead wire 4 Non-display area any position.
Voltage V can be applied by the first metal lead wire 4 at both ends, in the first metal lead wire 4, electrode, electric heating unit A loop current I is formed before first 2-1, the resistance of the first metal lead wire of both ends 4 is indicated with R1 and R3 respectively, each electric heating The resistance of unit 2-1 indicates that all-in resistance R=R1+R2+R3, then the calorific value Q of each electric heating unit 2-1 applies with it with R2 Electrical power W=V*I it is directly proportional, i.e. Q=K*V*I or Q=K*1^2R.Each electric heating unit 2-1 can be operated alone, by All-in resistance in each circuit is different, different voltages or different electric current drivings can be used, on condition that the electricity of each electric heating unit Power W is identical.
It is the structural schematic diagram of the embodiment of the present invention 2 referring to Fig. 3, in order to save cost, convenient for each electric heating unit 2-1 is controlled simultaneously, and difference from Example 1 is, several electric heating units 2-1 points is along 1 width direction centers of glass The width of two groups of electric heating units 2-1, each group of electric heating unit 2-1 that line is arranged symmetrically from 1 outer edge of glass to middle part by Decrescence small, one end of the first metal lead wire 4 is connected to the first metal block 3 and the other end extends to 1 width direction outer edge of glass Middle part, if the width of the first metal lead wire 4 is all, according to the law of resistance, that corresponding resistance R1L1> R1L2> ... > R1LN, R3L1> R3L2> ... > R3LNCorresponding electric heating unit 2-1 width from high to low, corresponding resistance R2L1< R2L2< ... < R2LN
It can set identical for the all-in resistance in the circuit each electric heating unit 2-1, i.e. R1L1+R2L1+R3L1=R1L2+R2L2+ R3L2=...=R1LN+R2LN+R3LN.It can be by the way that each first metal lead wire 4 be made into an electrode, by 1 width direction of glass First metal lead wire 4 of two sides is respectively connected to positive electrode 5, negative electrode 6, it is only necessary to apply identical voltage or electric current, It can not need to save cost using driving circuit.
Referring to fig. 4, it is to realize function of shielding with 1 difference of embodiment for the structural schematic diagram of inventive embodiments 3, Transparent shielding unit 7 is equipped between electric heating unit 2, the second metal block of both ends 8 of Transparent shielding unit 7 is connected to second Metal lead wire 9, second metal lead wire 9 ground connection 10.
It is the structural schematic diagram of inventive embodiments 4 referring to Fig. 5-8, in order to be suitable for large scale display screen, transparency conducting layer 2 include the first transparency conducting layer 2-2 for arranging from bottom to top and the second transparency conducting layer 2-3, the first transparency conducting layer 2-2 and the Transparent insulating layer 2-4 is equipped between two transparency conducting layer 2-3, the first transparency conducting layer 2-2 is divided into along 1 first direction cloth of glass Several first electric heating units 11 set, the both ends of the first electric heating unit 11 connect third metal through third metal block 12 and draw Line 13, the second transparency conducting layer 2-3 be divided into along 1 second direction of glass arrangement several second electric heating units 14, second Electric heating unit 14 connects the 4th metal lead wire 16 through the 4th metal block 15, and second direction is mutually perpendicular to first direction.
In this example, the first electric heating unit 11, the second electric heating unit 14 are strip, can be the rectangular of rule Shape can also be rule or irregular polygon, and the first electric heating unit 11 is arranged along 1 width direction of glass, several the One electric heating unit 11 is sequentially arranged and is parallel to each other along 1 length direction of glass;Second electric heating unit 14 is along 1 length side of glass To arrangement, several second electric heating units 14 are sequentially arranged and are parallel to each other along 1 width direction of glass.Third metal lead wire 13 The middle part of 1 width direction extension of glass is extended to, the 4th metal lead wire 16 extends to the middle part or non-of 1 length direction extension of glass Viewing area any position.
Above structure can make two layers of transparency conducting layer independent control, and large scale display screen usually has temperature imaging instrument, When temperature imaging instrument monitors that a certain block temperature is especially low, signal coordinates can be fed back to control circuit corresponding channel, Corresponding control circuit channel output voltage or electric current heat corresponding block.Such as R4T3 block in Fig. 5 front view.
It is the structural schematic diagram of the embodiment of the present invention 5 referring to Fig. 9, it is transparent to be equipped with first between the first electric heating unit 11 The both ends of screen unit 17, the first Transparent shielding unit 17 connect fifth metal lead 19, fifth metal through fifth metal block 18 Lead 19 is grounded;Between second electric heating unit 14 be equipped with the second Transparent shielding unit 20, the two of the second Transparent shielding unit 20 End connects the 6th metal lead wire 22, the 6th metal lead wire 22 ground connection, to play the role of shielding through the 6th metal block 21.
The foregoing examples are merely illustrative of the technical concept and features of the invention, its object is to allow the person skilled in the art to be It cans understand the content of the present invention and implement it accordingly, it is not intended to limit the scope of the present invention.It is all smart according to the present invention The equivalent transformation or modification that refreshing essence is done, should be covered by the protection scope of the present invention.

Claims (10)

1. a kind of electric heating function glass, special including glass (1) and the transparency conducting layer (2) being arranged on the glass (1) Sign is: the transparency conducting layer (2) is divided into several electric heating units (2-1), and the electric heating unit (2-1) is opposite Both ends connect the first metal lead wire (4) through the first metal block (3) respectively.
2. electric heating function glass according to claim 1, it is characterised in that: the electric heating unit (2-1) is in strip Shape, and along the width direction of the glass (1) arrange, several electric heating units (2-1) along the glass (1) length direction according to Secondary arrangement.
3. electric heating function glass according to claim 2, it is characterised in that: several described electric heating units (2-1) It is divided into two groups of electric heating units (2-1) being arranged symmetrically along the glass (1) width direction center line, each group of electric heating unit The width of (2-1) is gradually reduced from the glass (1) outer edge to middle part, and one end of first metal lead wire (4) is connected to First metal block (3) and the other end extend to the middle part of the glass (1) width direction outer edge, each electric heating unit The resistance in the circuit (2-1) is equal.
4. electric heating function glass according to claim 3, it is characterised in that: first metal lead wire (4) is connected to Positive electrode (5) or negative electrode (6).
5. electric heating function glass according to claim 1, it is characterised in that: set between the electric heating unit (2-1) Have Transparent shielding unit (7), the second metal block of both ends (8) of the Transparent shielding unit (7) is connected to the second metal lead wire (9), the second metal lead wire (9) ground connection (10).
6. a kind of electric heating function glass, special including glass (1) and the transparency conducting layer (2) being arranged on the glass (1) Sign is: the transparency conducting layer (2) includes the first transparency conducting layer (2-2) and the second transparency conducting layer arranged from bottom to top (2-3) is equipped with transparent insulating layer between first transparency conducting layer (2-2) and second transparency conducting layer (2-3);
First transparency conducting layer (2-2) is divided into several first electric heating along the glass (1) first direction arrangement The both ends of unit (11), first electric heating unit (11) connect third metal lead wire (13) through third metal block (12), institute It states the second transparency conducting layer (2-3) and is divided into several second electric heating units along the glass (1) second direction arrangement (14), the 4th metal block (15) of both ends of second electric heating unit (14) connects the 4th metal lead wire (16), and described the Two directions are mutually perpendicular to the first direction.
7. electric heating function glass according to claim 6, it is characterised in that: first electric heating unit (11), Two electric heating units (14) are strip, and first electric heating unit (11) is arranged along the glass (1) width direction, institute The second electric heating unit (14) is stated to arrange along the glass (1) length direction.
8. electric heating function glass according to claim 7, it is characterised in that: the third metal lead wire (13) extends to The middle part of glass (1) the width direction extension or non-display area any position, the 4th metal lead wire (16) extend to institute State the middle part or non-display area any position of glass (1) length direction extension.
9. electric heating function glass according to claim 7, it is characterised in that: between first electric heating unit (11) Equipped with the first Transparent shielding unit (17), the both ends of the first Transparent shielding unit (17) are through fifth metal block (18) connection the Five metal lead wires (19), the fifth metal lead (19) are grounded (10);The is equipped between second electric heating unit (14) The 6th metal block (21) of both ends of two Transparent shielding units (20), the second Transparent shielding unit (20) connects the 6th metal Lead (22), the 6th metal lead wire (22) are grounded (10).
10. a kind of display module, it is characterised in that: have electric heating function glass described in any one of claim 1-9.
CN201811105312.3A 2018-09-21 2018-09-21 A kind of electric heating function glass and display module Pending CN109041308A (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

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CN111694181A (en) * 2020-07-07 2020-09-22 中航华东光电有限公司 Method for uniformly heating liquid crystal screen assembly at low temperature
CN112198688A (en) * 2019-07-08 2021-01-08 群创光电股份有限公司 Liquid crystal device having a plurality of liquid crystal cells
CN112346269A (en) * 2020-11-10 2021-02-09 厦门天马微电子有限公司 Display panel, heating driving method thereof and display device

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