CN207381071U - A kind of LCD MODULE of ultralow temperature - Google Patents
A kind of LCD MODULE of ultralow temperature Download PDFInfo
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- CN207381071U CN207381071U CN201721395573.4U CN201721395573U CN207381071U CN 207381071 U CN207381071 U CN 207381071U CN 201721395573 U CN201721395573 U CN 201721395573U CN 207381071 U CN207381071 U CN 207381071U
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- kapton
- resistance
- capacitance
- heating film
- microcontroller
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Abstract
The utility model discloses a kind of LCD MODULE of ultralow temperature, main contents are：Including LCD glass, backlight, Kapton Electric radiant Heating Film, pcb board and temperature control circuit；The Kapton Electric radiant Heating Film is made of upper Kapton, conductive exothermal metal foil and lower Kapton, conductive exothermal metal foil is fixedly mounted on the top surface of lower Kapton, upper Kapton is mounted on the top surface of conductive exothermal metal foil, temperature control circuit is mounted on pcb board, pcb board is mounted on the bottom surface of the lower Kapton in Kapton Electric radiant Heating Film, backlight is mounted on the top surface of the upper Kapton in Kapton Electric radiant Heating Film, and LCD glass is mounted on the top surface of backlight.
Description
Technical field
The utility model is related to vehicle technical field of liquid crystal display, specifically, more particularly to a kind of liquid crystal of ultralow temperature
Show module.
Background technology
For black and white LCD because price is low, display content is widely used in various measuring instruments, instrument, in machinery equipment more, and
Black and white LCD screen also has its weakness, has the response time when low temperature is to less than -10 DEG C and is lengthened to 2 seconds, more than less than -20 DEG C
The Shi Huiyou response times are lengthened to 10 seconds, the phenomenon that delay in display data and word, cause to perplex to user, mesh
It is preceding using it is more be that LCD is heated using transparent heating film, this LCD MODULE be disadvantageous in that with
Descend some：
(1) transparent heating film is assembled between LCD glass and backlight, it is desirable that light transmittance is high, cleanliness factor is high, to ITO
Transparent heating film proposes high requirement so that production cost is high, and current application is not wide；
(2) ito film heating plate can have side effect to LCD when heating：The uneven glass that can allow LCD is heated to rupture；
(3) without solving climate control issues：It begins to heat less than how many degree, just stops heating higher than how many degree.
Utility model content
The technical problem to be solved by the utility model is to the deficiencies in for the above-mentioned prior art, disclose a kind of super
The LCD MODULE of low temperature, it is simple in structure, by increasing by one piece of Kapton Electric radiant Heating Film, the liquid for solving ultralow temperature
The response time problem of brilliant display module.
Technical solution is used by the utility model solves its technical problem：A kind of LCD MODULE of ultralow temperature,
Including LCD glass, backlight, Kapton Electric radiant Heating Film, pcb board and temperature control circuit；The Kapton Electric radiant Heating Film
It is made of upper Kapton, conductive exothermal metal foil and lower Kapton, the conductive exothermal metal foil fixes peace
On the top surface of lower Kapton, the upper Kapton is mounted on the top surface of conductive exothermal metal foil, institute
Temperature control circuit is stated on pcb board, the pcb board is mounted on the lower Kapton in Kapton Electric radiant Heating Film
On bottom surface, the backlight is mounted on the top surface of the upper Kapton in Kapton Electric radiant Heating Film, the LCD glass
Glass is mounted on the top surface of backlight.
As a kind of preferred embodiment of the utility model, the temperature control circuit is by microcontroller STC12C5A60S2, electricity
Hinder R1, resistance R2, resistance R3, resistance R4, thermistor RT, capacitance C1, capacitance C2, capacitance C3, triode Q1 and crystal oscillator Y1 groups
Into, the thermistor RT upper ends are connected with power pins VCC, the thermistor RT lower ends respectively with resistance R1 upper ends and list
The P1.6 pins connection of piece machine STC12C5A60S2, the resistance R1 lower ends ground connection, the resistance R4 lower ends ground connection, the resistance
R4 upper ends are connected with the RST pins of microcontroller STC12C5A60S2, the capacitance C1 right ends ground connection, the capacitance C1 left ends difference
It is connected with the VCC pin of power pins VCC and microcontroller STC12C5A60S2, the capacitance C2 lower ends and capacitance C3 lower ends all connect
Ground, the capacitance C2 upper ends and crystal oscillator Y1 left ends are all connected with the XTAL2 pins of microcontroller STC12C5A60S2, the capacitance C3
Upper end and crystal oscillator Y1 right ends are all connected with the XTAL1 pins of microcontroller STC12C5A60S2, the resistance R2 left ends and microcontroller
The P2.7 pins connection of STC12C5A60S2, the resistance R2 right ends are connected with the base stage of triode Q1, the triode Q1's
Emitter is connected with power pins VCC, and the collector of the triode Q1 is connected with resistance R3.
As a kind of preferred embodiment of the utility model, resistance R3 and Kapton on the temperature control circuit
Conductive exothermal metal foil connection in Electric radiant Heating Film.
As a kind of preferred embodiment of the utility model, the upper polyimides in the Kapton Electric radiant Heating Film
Film and lower Kapton are formed through high temperature and pressure heat seal.
The LCD MODULE of the ultralow temperature increases by one piece of Kapton at the back side of LCD MODULE backlight
Bulk temperature is improved 30 DEG C or higher by Electric radiant Heating Film, for example -40 DEG C of whens are improved to -10 DEG C, is increased to 0 DEG C at -30 DEG C, and -20
DEG C when be increased to 5 DEG C, it is possible to solve response time problem.
Kapton Electric radiant Heating Film is using Kapton as outer insulator；Using Jin Shu Bo ﹑ wires as interior conduction
Heater is formed through high temperature and pressure heat seal.Kapton Electric radiant Heating Film has excellent dielectric strength；Excellent anti-electricity is strong
Degree；Excellent heat conduction efficiency；Excellent resistance stability.This allows it to be widely applicable for heating art and can obtain
Obtain quite high temperature control precision.
In addition temperature survey and control circuit are formed by microprocessor and thermistor and triode, by temperature control circuit come
Temperature is controlled, is begun to warm up when the temperature is too low, stops heating when the temperature is excessively high.
The utility model has the following advantages compared with prior art：It is simple in structure, by LCD MODULE backlight
The back side in source increases by one piece of Kapton Electric radiant Heating Film, solves the response time problem of the LCD MODULE of ultralow temperature；
Kapton Electric radiant Heating Film has excellent dielectric strength, excellent dielectric strength, excellent heat conduction efficiency, excellent electricity
Hinder stability, stabilizing it property and better reliability.
Description of the drawings
Fig. 1 is a kind of structure diagram of specific embodiment of the utility model；
Fig. 2 is a kind of structure diagram of specific embodiment Kapton Electric radiant Heating Film of the utility model；
Fig. 3 is a kind of circuit diagram of specific embodiment temperature control circuit of the utility model.
Reference sign：
1：LCD glass, 2：Backlight, 3：Kapton Electric radiant Heating Film, 4：Pcb board, 5：Temperature control circuit；
31：Upper Kapton, 32：Conductive exothermal metal foil, 33：Lower Kapton；
R1、R2、R3、R4：Resistance, RT：Thermistor, C1, C2, C3：Capacitance, Q1：Triode.
Specific embodiment
Specific embodiment of the present invention is described with reference to the accompanying drawings and embodiments：
It should be noted that structure, ratio, size for illustrating in this specification institute attached drawing etc., only coordinating explanation
So that those skilled in the art understands and reads, it is enforceable to be not limited to the utility model for the revealed content of book
Qualifications, the modification of any structure, the change of proportionate relationship or the adjustment of size, can be generated not influencing the utility model
The effect of and the purpose that can reach under, should all still fall and obtain the scope that can cover in the revealed technology contents of the utility model
It is interior.
Meanwhile cited such as " on ", " under " in this specification, "left", "right", the term of " centre " and " one ", also
Only understanding rather than to limit the enforceable scope of the utility model for ease of narration, relativeness is altered or modified,
In the case where changing technology contents without essence, when being also considered as the enforceable scope of the utility model.
As shown in FIG. 1 to 3, it illustrates specific embodiment of the present utility model；As shown in the figure, the utility model is public
The LCD MODULE for a kind of ultralow temperature opened, including LCD glass 1, backlight 2, Kapton Electric radiant Heating Film 3, pcb board 4
With temperature control circuit 5；The Kapton Electric radiant Heating Film 3 is by upper Kapton 31, conductive exothermal metal foil 32 and lower poly-
Imide membrane 33 forms, and the conductive exothermal metal foil 32 is fixedly mounted on the top surface of lower Kapton 33, described
Upper Kapton 31 is mounted on the top surface of conductive exothermal metal foil 32, and the temperature control circuit 5 is mounted on pcb board 4, institute
On the bottom surface for stating lower Kapton 33 of the pcb board 4 in Kapton Electric radiant Heating Film 3, the backlight 2 is installed
On the top surface of upper Kapton 31 in Kapton Electric radiant Heating Film 3, the LCD glass 1 is mounted on backlight 2
On top surface.
Preferably, the temperature control circuit 5 by microcontroller STC12C5A60S2, resistance R1, resistance R2, resistance R3, resistance R4,
Thermistor RT, capacitance C1, capacitance C2, capacitance C3, triode Q1 and crystal oscillator Y1 compositions, the thermistor RT upper ends and power supply
Pin VCC connections, the thermistor RT lower ends respectively with resistance R1 upper ends and the P1.6 pins of microcontroller STC12C5A60S2
Connection, the resistance R1 lower ends ground connection, the resistance R4 lower ends ground connection, the resistance R4 upper ends and microcontroller STC12C5A60S2
The connection of RST pins, capacitance C1 right ends ground connection, the capacitance C1 left ends respectively with power pins VCC and microcontroller
The VCC pin connection of STC12C5A60S2, the capacitance C2 lower ends and capacitance C3 lower ends are all grounded, the capacitance C2 upper ends and crystalline substance
The Y1 left ends that shake all are connected with the XTAL2 pins of microcontroller STC12C5A60S2, the capacitance C3 upper ends and crystal oscillator Y1 right ends all with
The XTAL1 pins connection of microcontroller STC12C5A60S2, the P2.7 of the resistance R2 left ends and microcontroller STC12C5A60S2 draw
Foot connects, and the resistance R2 right ends are connected with the base stage of triode Q1, and emitter and the power pins VCC of the triode Q1 connect
It connects, the collector of the triode Q1 is connected with resistance R3.
Preferably, the resistance R3 on the temperature control circuit 5 and the conductive exothermal metal foil in Kapton Electric radiant Heating Film 3
32 connections.It allows it to be widely applicable for heating art can simultaneously to obtain quite high temperature control precision.
Preferably, the upper Kapton 31 in the Kapton Electric radiant Heating Film 3 and lower Kapton 32
It is formed through high temperature and pressure heat seal.Kapton Electric radiant Heating Film has excellent dielectric strength, and excellent dielectric strength is excellent
Heat conduction efficiency, excellent resistance stability.
The utility model preferred embodiment is explained in detail above in conjunction with attached drawing, but the utility model is not limited to
The above embodiment within the knowledge of a person skilled in the art, can also not depart from the utility model
It is made a variety of changes on the premise of objective.
Many other changes and remodeling can be made by not departing from the spirit and scope of the utility model.It should be appreciated that this reality
Specific embodiment is not limited to new, the scope of the utility model is defined by the following claims.
Claims (4)
1. a kind of LCD MODULE of ultralow temperature, it is characterised in that：Including LCD glass, backlight, Kapton electric heating
Film, pcb board and temperature control circuit；The Kapton Electric radiant Heating Film by upper Kapton, conductive exothermal metal foil and under
Kapton forms, and the conductive exothermal metal foil is fixedly mounted on the top surface of lower Kapton, described poly-
Imide membrane is mounted on the top surface of conductive exothermal metal foil, and the temperature control circuit is mounted on pcb board, the pcb board peace
On the bottom surface of lower Kapton in Kapton Electric radiant Heating Film, the backlight is mounted on Kapton
On the top surface of upper Kapton in Electric radiant Heating Film, the LCD glass is mounted on the top surface of backlight.
2. a kind of LCD MODULE of ultralow temperature as described in claim 1, it is characterised in that：The temperature control circuit is by monolithic
Machine STC12C5A60S2, resistance R1, resistance R2, resistance R3, resistance R4, thermistor RT, capacitance C1, capacitance C2, capacitance C3, three
Pole pipe Q1 and crystal oscillator Y1 compositions, the thermistor RT upper ends are connected with power pins VCC, the thermistor RT lower ends difference
It is connected with the P1.6 pins of resistance R1 upper ends and microcontroller STC12C5A60S2, the resistance R1 lower ends ground connection, the resistance R4
Lower end is grounded, and the resistance R4 upper ends are connected with the RST pins of microcontroller STC12C5A60S2, the capacitance C1 right ends ground connection,
VCC pin of the capacitance C1 left ends respectively with power pins VCC and microcontroller STC12C5A60S2 is connected, under the capacitance C2
End and capacitance C3 lower ends are all grounded, the XTAL2 of the capacitance C2 upper ends and crystal oscillator Y1 left ends all with microcontroller STC12C5A60S2
Pin connects, and the capacitance C3 upper ends and crystal oscillator Y1 right ends are all connected with the XTAL1 pins of microcontroller STC12C5A60S2, described
Resistance R2 left ends are connected with the P2.7 pins of microcontroller STC12C5A60S2, and the base stage of the resistance R2 right ends and triode Q1 connects
It connects, the emitter of the triode Q1 is connected with power pins VCC, and the collector of the triode Q1 is connected with resistance R3.
3. a kind of LCD MODULE of ultralow temperature as claimed in claim 2, it is characterised in that：Electricity on the temperature control circuit
Resistance R3 is connected with the conductive exothermal metal foil in Kapton Electric radiant Heating Film.
4. a kind of LCD MODULE of ultralow temperature as described in claim 1, it is characterised in that：The Kapton electricity
Upper Kapton and lower Kapton on hotting mask are formed through high temperature and pressure heat seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721395573.4U CN207381071U (en) | 2017-10-25 | 2017-10-25 | A kind of LCD MODULE of ultralow temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721395573.4U CN207381071U (en) | 2017-10-25 | 2017-10-25 | A kind of LCD MODULE of ultralow temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207381071U true CN207381071U (en) | 2018-05-18 |
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ID=62336391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721395573.4U Active CN207381071U (en) | 2017-10-25 | 2017-10-25 | A kind of LCD MODULE of ultralow temperature |
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| Country | Link |
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| CN (1) | CN207381071U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109212807A (en) * | 2018-10-11 | 2019-01-15 | 深圳市晶联讯电子有限公司 | A kind of outdoor liquid crystal display screen |
-
2017
- 2017-10-25 CN CN201721395573.4U patent/CN207381071U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109212807A (en) * | 2018-10-11 | 2019-01-15 | 深圳市晶联讯电子有限公司 | A kind of outdoor liquid crystal display screen |
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