CN101909404A - Shape memory circuit board, liquid crystal display device applying shape memory circuit board and assembly method - Google Patents
Shape memory circuit board, liquid crystal display device applying shape memory circuit board and assembly method Download PDFInfo
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- CN101909404A CN101909404A CN2010102393026A CN201010239302A CN101909404A CN 101909404 A CN101909404 A CN 101909404A CN 2010102393026 A CN2010102393026 A CN 2010102393026A CN 201010239302 A CN201010239302 A CN 201010239302A CN 101909404 A CN101909404 A CN 101909404A
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- shape memory
- circuit board
- memory circuit
- guide plate
- light guide
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Abstract
The invention relates to a shape memory circuit board, a liquid crystal display device and an assembly method. The liquid crystal display device comprises a middle frame, a light guide plate, a display panel and a shape memory circuit board, wherein the light guide plate is arranged in the middle frame and comprises an incident side; the display panel is arranged in the middle frame; the shape memory circuit board comprises a plurality of LEDs and is compressed into a compressing area of the display panel; a shape memory layer of the shape memory circuit board is heated or frozen, the shape memory circuit board is bent to cover the light guide plate, and the LEDs are abutted against the incident side of the light guide plate; and when restoring to normal temperature, the shape memory circuit board keeps to be bent. Compared with the traditional liquid crystal display device and the assembly method, the liquid crystal display device and the assembly method of the invention have the advantages of automatic assembly of machines, high production efficiency, stable assembly of the liquid crystal display device, higher optical stability, and the like.
Description
Technical field
The present invention relates to a kind of shape memory circuit board and liquid crystal indicator, particularly about the liquid crystal indicator of applying shape memory circuit board and the assemble method of this liquid crystal indicator.
Background technology
In the past, in the liquid crystal indicator of transmission-type or Semitransmissive, its structure comprised display panels and the backlight of transmitted light was provided to display panels.
Usually, backlight is made up of light source, light guide plate and multi-layer optical membrane, can use CCFL (cathode fluorescent tube) as light source.The exiting surface of light guide plate cooperates with the viewing area of LCDs.The CCFL light source is configured in the light inlet end face of light guide plate, from the CCFL light of the light inlet surface feeding sputtering of light guide plate, penetrates from exiting surface after light guide plate, is utilized with regard to the light source that can be used as liquid crystal indicator like this.
On the other hand, as new light source, LED is widely used.The existing LED of use occurs as the backlight of light source.Along with reduction and the raising of luminous efficiency and the restriction on the environment of price, utilize the backlight of led light source, also obtain gradually having popularized as the backlight of LCDs.
At present, the LED that backlight is used is arranged on the flexible circuit board (FPC), and FPC one end is pressed on the display floater, and an end reflexed that will be provided with LED afterwards makes the LED light-emitting area be connected to the light inlet side of light guide plate in the back side of backlight.In actual production, the manual reflexed circuit board of workman efficient is lower, simultaneously, and problem such as manually the reflexed circuit board circuit board folding takes place easily makes LED and light guide plate spacing on the circuit board irregular partially, causes projection inequality backlight, and luminance uniformity is on the low side.
Summary of the invention
In view of this, the invention provides a kind of shape memory circuit board, it comprises substrate, many signal line and shape memory layer.Those holding wires are arranged at a side of this substrate, are used to transmit the signal of telecommunication; This shape memory layer is arranged at the opposite side of this substrate, and the material of this shape memory layer is a marmem.
As optional technical scheme, this shape memory circuit board comprises the bending district, and this shape memory floor is positioned at this bending district.
As optional technical scheme, this marmem is copper base or Ti-based shape memory alloy.
As optional technical scheme, heat this shape memory layer, this shape memory circuit board can bend, and this shape memory circuit board can keep this bending when returning to normal temperature; Perhaps freezing this shape memory layer, this shape memory circuit board can bend, and this shape memory circuit board can keep this bending when returning to normal temperature.
According to another embodiment, the invention provides a kind of liquid crystal indicator, it comprises center, light guide plate, display floater and above-mentioned shape memory circuit board.This light guide plate is arranged in this center, and this light guide plate comprises the light inlet side; This display floater is arranged in this center; This shape memory circuit board comprises a plurality of LED, and this shape memory circuit board is pressed on the pressing district of this display floater; Wherein, heating or freezing this shape memory layer make the bending of this shape memory circuit board be covered on this light guide plate and those LED are connected to the light inlet side of this light guide plate, and this shape memory circuit board keeps this bending when returning to normal temperature.
As optional technical scheme, this shape memory circuit board further comprises adhesive tape, and this adhesive tape sticks on this light guide plate to fix this shape memory circuit board.
As optional technical scheme, this liquid crystal indicator further comprises lower frame, and this lower frame is coated on the outside of this shape memory circuit board, and this lower frame and this light guide plate grip this shape memory circuit board.
According to an embodiment again, the invention provides a kind of assemble method of liquid crystal indicator, it comprises: display floater is provided; Above-mentioned shape memory circuit board is provided, and this shape memory circuit board comprises a plurality of LED; This shape memory circuit board is pressed on the pressing district of this display floater; Center and light guide plate are provided, this light guide plate is arranged in this center, this light guide plate comprises the light inlet side; This display floater is arranged in this center; Heating or freezing this shape memory layer make the bending of this shape memory circuit board be covered on this light guide plate and those LED are connected to the light inlet side of this light guide plate; Make this shape memory circuit board return to normal temperature, this shape memory circuit board keeps this bending.
As optional technical scheme, this shape memory circuit board further comprises adhesive tape, and this adhesive tape is sticked on this light guide plate to fix this shape memory circuit board.
As optional technical scheme, this liquid crystal indicator further comprises lower frame, and this lower frame is coated on the outside of this shape memory circuit board, makes this lower frame and this light guide plate grip this shape memory circuit board.
Compared to traditional liquid crystal indicator and assemble method, liquid crystal indicator of the present invention and assemble method can realize that board assembles automatically, production efficiency height, advantage such as the assemble stable of liquid crystal indicator and optical stability are better.
Can be further understood by following description of drawings and embodiment detailed description in the advantages and spirit of the present invention.
Description of drawings
Schematic diagram when Fig. 1 is the straightened condition of shape memory circuit board of the present invention.
Fig. 2 is the cutaway view of Fig. 1 along HH.
Schematic diagram when Fig. 3 is the bending state of shape memory circuit board of the present invention.
Fig. 4 is the schematic diagram before liquid crystal indicator of the present invention is finished the assembling of shape memory circuit board.
Fig. 5 is the schematic diagram after liquid crystal indicator of the present invention is finished the assembling of shape memory circuit board.
Embodiment
Please be simultaneously with reference to Fig. 1, Fig. 2 and Fig. 3, the schematic diagram when Fig. 1 is the straightened condition of shape memory circuit board of the present invention, Fig. 2 is the cutaway view of Fig. 1 along HH, the schematic diagram when Fig. 3 is the bending state of shape memory circuit board of the present invention.As shown in the figure, this embodiment provides a kind of shape memory circuit board 10, and it comprises substrate 2, many signal line 4 and shape memory layer 6.Those holding wires 4 are arranged at a side of this substrate 2, are used to transmit the signal of telecommunication.This shape memory layer 6 is arranged at the opposite side of this substrate, the material of this shape memory layer is a marmem, marmem of the present invention can be high-temperature shape memory alloy or low temperature marmem, high-temperature shape memory alloy can be out of shape when having heating, shape after keeping it to be out of shape when recovering normal temperature, and the low temperature marmem can be out of shape when cryogenic freezing, can keep the shape after its distortion when recovering normal temperature.As a kind of embodiment, low temperature marmem of the present invention can be copper base or Ti-based shape memory alloy.
As shown in Figure 1, as optional technical scheme, preferred embodiment comprises bending district 8 for this shape memory circuit board 10, this shape memory floor 6 is positioned at this bending district 8, satisfy the bending characteristic of this shape memory circuit board 10 and can reduce cost with this, this shape memory layer 6 can be covered with the whole plane of this shape memory circuit board 10 under the prerequisite of not considering cost.
As shown in Figure 3, if marmem is a high-temperature shape memory alloy, when this shape memory layer 6 of heating, this shape memory circuit board 10 can bend, and this shape memory circuit board can keep this bending when returning to normal temperature.If marmem is the low temperature marmem, when freezing this shape memory layer 6, this shape memory circuit board 10 can bend, and this shape memory circuit board 10 can keep bending shape as shown in Figure 3 when returning to normal temperature.
Please be simultaneously with reference to Fig. 4 and Fig. 5, Fig. 4 is the schematic diagram before liquid crystal indicator of the present invention is finished the assembling of shape memory circuit board, Fig. 5 is the schematic diagram after liquid crystal indicator of the present invention is finished the assembling of shape memory circuit board.According to another embodiment, the invention provides a kind of liquid crystal indicator 100, it comprises elements such as above-mentioned shape memory circuit board 10, display floater 20, center 30 and light guide plate 40.This shape memory circuit board 10 comprises a plurality of LED12, and this shape memory circuit board 10 is pressed on the pressing district of this display floater 20.This display floater 20 is arranged in this center 30.This light guide plate 40 comprises light inlet side 42, and this light guide plate 40 is arranged in this center 30.Wherein, if the marmem of shape memory circuit board 10 is a high-temperature shape memory alloy, heat this shape memory layer 6, make 10 bendings of this shape memory circuit board be covered on this light guide plate 40 and those LED12 are connected to the light inlet side 42 of this light guide plate 40, this shape memory circuit board 10 keeps these bendings when returning to normal temperature.If the marmem of shape memory circuit board 10 is the low temperature marmem, freezing this shape memory layer 6, this shape memory circuit board 10 can be bent be covered on this light guide plate 40 and those LED12 are connected to the light inlet side 42 of this light guide plate 40, this shape memory circuit board 10 keeps these bendings when returning to normal temperature.The liquid crystal indicator 100 of this embodiment can further comprise reflector plate 50 and stick on light guide plate 40.
In order to strengthen solid shape memory circuit plate 10, as optional technical scheme, this shape memory circuit board 10 further comprises the adhesive tape (not shown), this adhesive tape is arranged at the surface that this shape memory circuit board 10 has LED12, after finishing the bending assembling of shape memory circuit board 10, this adhesive tape is sticked the effect of on this light guide plate 40, fixing this shape memory circuit board 10 with enhancing.
In order to strengthen solid shape memory circuit plate 10, as optional technical scheme, this liquid crystal indicator 100 also can further comprise the lower frame (not shown), after finishing the bending assembling of shape memory circuit board 10, this lower frame is coated on the outside of this shape memory circuit board 10, and this lower frame and this light guide plate 40 grip this shape memory circuit board 10.
According to an embodiment again, the invention provides a kind of assemble method of liquid crystal indicator, it comprises: display floater 20 is provided; Above-mentioned shape memory circuit board 10 is provided, and this shape memory circuit board 10 comprises a plurality of LED12; This shape memory circuit board 10 is pressed on the pressing district of this display floater 20; Center 30 and light guide plate 40 are provided, this light guide plate 40 is arranged in this center 30, this light guide plate 40 comprises light inlet side 42; This display floater 20 is arranged in this center 3; If the marmem of shape memory circuit board 10 is a high-temperature shape memory alloy, heat this shape memory layer 6, make 10 bendings of this shape memory circuit board be covered on this light guide plate 40 and those LED12 are connected to the light inlet side 42 of this light guide plate 40, this shape memory circuit board 10 keeps these bendings when returning to normal temperature.If the marmem of shape memory circuit board 10 is the low temperature marmem, freezing this shape memory layer 6, this shape memory circuit board 10 can be bent be covered on this light guide plate 40 and those LED12 are connected to the light inlet side 42 of this light guide plate 40, this shape memory circuit board 10 keeps these bendings when returning to normal temperature.
As optional technical scheme, this shape memory circuit board 10 further comprises adhesive tape, and this adhesive tape is sticked on this light guide plate 40 to fix this shape memory circuit board 10.
As optional technical scheme, this liquid crystal indicator 100 further comprises lower frame, and this lower frame is coated on the outside of this shape memory circuit board 10, makes this lower frame and this light guide plate 40 grip this shape memory circuit board 10.
Compared to traditional liquid crystal indicator and assemble method, liquid crystal indicator of the present invention and assemble method can realize that board assembles automatically, production efficiency height, advantage such as the assemble stable of liquid crystal indicator and optical stability are better.
According to the detailed description of above embodiment, hope can be known description feature of the present invention and spirit more, and is not to come the present invention is limited with above-mentioned disclosed embodiment.
Claims (10)
1. a shape memory circuit board is characterized in that, comprising:
Substrate;
Many signal line are arranged at a side of this substrate, are used to transmit the signal of telecommunication;
The shape memory layer is arranged at the opposite side of this substrate, and the material of this shape memory layer is a marmem.
2. shape memory circuit board according to claim 1 is characterized in that: this shape memory circuit board comprises the bending district, and this shape memory floor is positioned at this bending district.
3. shape memory circuit board according to claim 1 is characterized in that: this marmem is copper base or Ti-based shape memory alloy.
4. shape memory circuit board according to claim 1 is characterized in that:
Heat this shape memory layer, this shape memory circuit board can bend, and this shape memory circuit board can keep this bending when returning to normal temperature; Perhaps
Freezing this shape memory layer, this shape memory circuit board can bend, and this shape memory circuit board can keep this bending when returning to normal temperature.
5. a liquid crystal indicator is characterized in that, comprises:
Center;
Light guide plate is arranged in this center, and this light guide plate comprises the light inlet side;
Display floater is arranged in this center; And
As the described shape memory circuit board of any claim in the claim 1 to 4, this shape memory circuit board comprises a plurality of LED, and this shape memory circuit board is pressed on the pressing district of this display floater;
Wherein, heating or freezing this shape memory layer make the bending of this shape memory circuit board be covered on this light guide plate and those LED are connected to the light inlet side of this light guide plate, and this shape memory circuit board keeps this bending when returning to normal temperature.
6. liquid crystal indicator according to claim 5 is characterized in that: this shape memory circuit board further comprises adhesive tape, and this adhesive tape sticks on this light guide plate to fix this shape memory circuit board.
7. liquid crystal indicator according to claim 5 is characterized in that: this liquid crystal indicator further comprises lower frame, and this lower frame is coated on the outside of this shape memory circuit board, and this lower frame and this light guide plate grip this shape memory circuit board.
8. the assemble method of a liquid crystal indicator is characterized in that, comprising:
Display floater is provided;
Provide as the described shape memory circuit board of any claim in the claim 1 to 4, this shape memory circuit board comprises a plurality of LED;
This shape memory circuit board is pressed on the pressing district of this display floater;
Center and light guide plate are provided, this light guide plate is arranged in this center, this light guide plate comprises the light inlet side;
This display floater is arranged in this center;
Heating or freezing this shape memory layer make the bending of this shape memory circuit board be covered on this light guide plate and those LED are connected to the light inlet side of this light guide plate;
Make this shape memory circuit board return to normal temperature, this shape memory circuit board keeps this bending.
9. assemble method according to claim 8 is characterized in that: this shape memory circuit board further comprises adhesive tape, and this adhesive tape is sticked on this light guide plate to fix this shape memory circuit board.
10. assemble method according to claim 8 is characterized in that: this liquid crystal indicator further comprises lower frame, and this lower frame is coated on the outside of this shape memory circuit board, makes this lower frame and this light guide plate grip this shape memory circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102393026A CN101909404A (en) | 2010-07-19 | 2010-07-19 | Shape memory circuit board, liquid crystal display device applying shape memory circuit board and assembly method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102393026A CN101909404A (en) | 2010-07-19 | 2010-07-19 | Shape memory circuit board, liquid crystal display device applying shape memory circuit board and assembly method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101909404A true CN101909404A (en) | 2010-12-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102393026A Pending CN101909404A (en) | 2010-07-19 | 2010-07-19 | Shape memory circuit board, liquid crystal display device applying shape memory circuit board and assembly method |
Country Status (1)
| Country | Link |
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| CN (1) | CN101909404A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI482537B (en) * | 2011-11-18 | 2015-04-21 | Ind Tech Res Inst | Electronic apparatus and display apparatus |
| CN105228335A (en) * | 2015-08-26 | 2016-01-06 | 昆山工研院新型平板显示技术中心有限公司 | Flexible circuit board and manufacture method thereof and display unit |
| CN107249254A (en) * | 2017-04-25 | 2017-10-13 | 广东工业大学 | A kind of stretchable or bending compound circuit system and preparation method thereof |
| CN111328182A (en) * | 2018-12-13 | 2020-06-23 | 哈尔滨工业大学 | Deformed circuit board based on shape memory polymer composite material |
| CN113038712A (en) * | 2021-03-05 | 2021-06-25 | 深圳市宏申工业智能有限公司 | LED screen FPC reverse-folding equipment |
-
2010
- 2010-07-19 CN CN2010102393026A patent/CN101909404A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI482537B (en) * | 2011-11-18 | 2015-04-21 | Ind Tech Res Inst | Electronic apparatus and display apparatus |
| CN105228335A (en) * | 2015-08-26 | 2016-01-06 | 昆山工研院新型平板显示技术中心有限公司 | Flexible circuit board and manufacture method thereof and display unit |
| CN105228335B (en) * | 2015-08-26 | 2018-05-01 | 昆山工研院新型平板显示技术中心有限公司 | Flexible circuit board and its manufacture method and display device |
| CN107249254A (en) * | 2017-04-25 | 2017-10-13 | 广东工业大学 | A kind of stretchable or bending compound circuit system and preparation method thereof |
| CN107249254B (en) * | 2017-04-25 | 2019-08-27 | 广东工业大学 | A kind of stretchable or bending compound circuit system and preparation method thereof |
| CN111328182A (en) * | 2018-12-13 | 2020-06-23 | 哈尔滨工业大学 | Deformed circuit board based on shape memory polymer composite material |
| CN113038712A (en) * | 2021-03-05 | 2021-06-25 | 深圳市宏申工业智能有限公司 | LED screen FPC reverse-folding equipment |
| CN113038712B (en) * | 2021-03-05 | 2022-05-03 | 深圳市宏申工业智能有限公司 | LED screen FPC reverse-folding equipment |
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Legal Events
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20101208 |
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| WD01 | Invention patent application deemed withdrawn after publication |