CN101923250A - Double-screen liquid crystal display module - Google Patents
Double-screen liquid crystal display module Download PDFInfo
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- CN101923250A CN101923250A CN2010102704063A CN201010270406A CN101923250A CN 101923250 A CN101923250 A CN 101923250A CN 2010102704063 A CN2010102704063 A CN 2010102704063A CN 201010270406 A CN201010270406 A CN 201010270406A CN 101923250 A CN101923250 A CN 101923250A
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Abstract
The invention discloses a double-screen liquid crystal display module which comprises a main screen, an auxiliary screen and a backlight baffle wall. A backlight module is arranged in the middle of the backlight baffle wall, screen accommodating cavities are respectively arrange on the front surface and the rear surface of the backlight baffle wall, the main screen and the auxiliary screen are respectively fixed in the screen accommodating cavities on the front surface and the rear surface of the backlight baffle wall, and positioning flanges for positioning the main screen and the auxiliary screen are respectively formed on the exterior margins of the front surface and the rear surface of the backlight baffle wall. The invention has the advantages of simple structure, low cost and smaller thickness and profile size and less occupied space due to the ultrathin positioning flanges on the periphery of the main screen and the auxiliary screen as well as higher positioning accuracy, simpler process, less materials, lower cost and smaller structure, saves the whole outer shell space and accords with the fashion requirement and the design development idea.
Description
Technical field
The present invention relates to the LCD MODULE technical field, refer in particular to a kind of double-screen liquid crystal display module.
Background technology
Along with LCD MODULE (Liquid Crystal Module, LCM) widespread use of every field in modern society, people have higher requirement to the thickness of original LCD MODULE, more exquisite in order to produce, small and exquisite and can bring more high-quality to the people, the product of the sensation of brand-new vision, require LCD MODULE to show on the two sides, thereby the design of double-screen liquid crystal display module appears, requirement according to various electronic products, need the display size of double-screen liquid crystal display module to have diversified design, the size of double-screen liquid crystal display module cooperates shell as far as possible.At present, double-screen liquid crystal display module mainly comprises the TFT screen of stacked setting, module backlight, flexible printed circuit board and the drive IC of stacked setting, wherein, module backlight is for the TFT screen provides the even brightness backlight, and the TFT screen of stacked setting is also being updated aspect resolution.But, in the prior art, two TFT screen 1 of double-screen liquid crystal display module is to be individually fixed in a printed circuit board (PCB) 2(PCB) front surface and rear surface, shown in Figure 1, because the structural limitations of printed circuit board (PCB) 2, two TFT screens 1 can only be fixed in the front surface and the rear surface zone line of printed circuit board (PCB) 2, retain the plate body of more printed circuit board (PCB) 2 around two TFT screens 1, double-screen liquid crystal display module takes up room bigger, the thickness of double-screen liquid crystal display module is bigger, physical dimension is bigger, and the location of two TFT screens 1 is inaccurate, can not satisfy the requirement of each electronic product to double-screen liquid crystal display module, therefore, the double-screen liquid crystal display module of prior art has improved needs.
Summary of the invention
The objective of the invention is to provides a kind of double-screen liquid crystal display module at the deficiencies in the prior art, and it is simple in structure, and thickness is little, and physical dimension is little, and two display screen location accurately.
For achieving the above object, the present invention is achieved by the following technical solutions: a kind of double-screen liquid crystal display module, comprise main screen, secondary screen and barricade backlight, be provided with module backlight in the middle of the barricade backlight, the front surface of barricade backlight and rear surface are respectively arranged with the screen host cavity, main screen and secondary screen are individually fixed in the shielding host cavity of barricade front surface backlight and rear surface, and the front surface of barricade backlight and the outer rim of rear surface form the location rib that is used to locate main screen and secondary screen respectively.
Described main screen and stacked respectively front surface and the rear surface that is arranged at module backlight of secondary screen.
Described location rib is arranged at the front surface of module backlight and the edge of rear surface respectively, and the location rib is the thin-walled body that stands on the edge of module backlight.
The positioning limit institute region of outer rim constitutes a described screen host cavity around the front surface of described module backlight and module backlight, and the positioning limit institute region of outer rim constitutes another screen host cavity around the rear surface of module backlight and module backlight.
Described double-screen liquid crystal display module also comprises main screen flexible printed circuit board and secondary screen flexible printed circuit board, and main screen connects the main screen flexible printed circuit board, and the main screen flexible printed circuit board stretches out from the lower end of barricade backlight; Secondary screen auxiliary connection screen flexible printed circuit board, secondary screen flexible printed circuit board stretches out from the lower end of barricade backlight.
Described double-screen liquid crystal display module also comprises main screen chip for driving and secondary screen chip for driving, and the main screen chip for driving electrically is welded in the main screen flexible printed circuit board, and secondary screen chip for driving electrically is welded in secondary screen flexible printed circuit board.
Described main screen is 2.4 cun main screens that the QVGA LCD MODULE is made, and secondary screen is the pair screen that 2.4 cun QVGA LCD MODULE are made, and main screen and secondary screen are symmetrical arranged.
The outside surface of described main screen has been sticked and has gone up polaroid, and the outside surface of secondary screen has been sticked and has gone up polaroid.
The bottom surface of the described main screen polaroid that has been sticked down, the bottom surface of the secondary screen polaroid that has been sticked down.
Described main screen flexible printed circuit board is arranged to the main screen flexible printed circuit board that 17PIN is welded to connect, and secondary screen flexible printed circuit board is arranged to the pair screen flexible printed circuit board that 26PIN is welded to connect.
Beneficial effect of the present invention: the present invention includes main screen, secondary screen and barricade backlight, be provided with module backlight in the middle of the barricade backlight, the front surface of barricade backlight and rear surface are respectively arranged with the screen host cavity, main screen and secondary screen are individually fixed in the shielding host cavity of barricade front surface backlight and rear surface, the front surface of barricade backlight and the outer rim of rear surface form the location rib that is used to locate main screen and secondary screen respectively, the present invention is simple in structure, cost is low, outer rim has only thickness location rib as thin as a wafer around main screen and the secondary screen, and the thickness of double-screen liquid crystal display module is littler, and physical dimension is littler, it is littler to take up room, and bearing accuracy is higher, and technology is also simpler, and material is less, cost is lower, structure is smaller and more exquisite simultaneously, saves the machine shell space, meets the idea of development of the requirement and the design of fashion.
Description of drawings
Fig. 1 is the structural representation of the double-screen liquid crystal display module of prior art.
Fig. 2 is the structural representation of double-screen liquid crystal display module of the present invention.
Fig. 3 is the left view of double-screen liquid crystal display module of the present invention.
Fig. 4 is the cut-open view in AA cross section among Fig. 2.
Fig. 5 is the rear view of double-screen liquid crystal display module of the present invention.
---main screen, 2---secondary screen, 3---barricade backlight, 4---module backlight, 5---location rib, 6---main screen flexible printed circuit board, 7---the secondary screen of secondary screen flexible printed circuit board, 8---main screen chip for driving, 9---chip for driving among the figure: 1.
Embodiment
The embodiment of a kind of double-screen liquid crystal display module of the present invention is shown in Fig. 2 to 5, comprise main screen 1, secondary screen 2 and barricade backlight 3, be provided with module 4 backlight in the middle of the barricade 3 backlight, the front surface of barricade 3 backlight and rear surface are respectively arranged with the screen host cavity, main screen 1 and secondary screen 2 are individually fixed in the shielding host cavity of barricade 3 front surfaces backlight and rear surface, and the front surface of barricade 3 backlight and the outer rim of rear surface form the location rib 5 that is used to locate main screen 1 and secondary screen 2 respectively.
Double-screen liquid crystal display module of the present invention is simple in structure, and outer rim has only thickness location rib 5 as thin as a wafer around main screen 1 and the secondary screen 2, and the thickness of double-screen liquid crystal display module is littler, physical dimension is littler, it is littler to take up room, and bearing accuracy is higher, and technology is also simpler, material is less, cost is lower, and structure is smaller and more exquisite simultaneously, takies enclosure space littler in the electronic product, save the machine shell space of electronic product, meet the idea of development of the requirement and the design of fashion.
The positioning limit institute region of outer rim constitutes a described screen host cavity around the front surface of module 4 backlight and module backlight 4, and the positioning limit institute region of outer rim constitutes another screen host cavity around the rear surface of module 4 backlight and module backlight 4.
Double-screen liquid crystal display module also comprises main screen flexible printed circuit board 6 and secondary screen flexible printed circuit board 7, and main screen 1 connects main screen flexible printed circuit board 6, and main screen flexible printed circuit board 6 stretches out from the lower end of barricade 3 backlight; Secondary screen 2 auxiliary connections screen flexible printed circuit board 7, secondary screen flexible printed circuit board 7 stretches out from the lower end of barricade 3 backlight.
Main screen flexible printed circuit board 6 and secondary screen flexible printed circuit board 7 need not reflexeds, and the extension elongation of main screen flexible printed circuit board 6 is 10.70 ± 0.5 mm, and the extension elongation of secondary screen flexible printed circuit board 7 is 10.89 ± 0.5 mm.
Double-screen liquid crystal display module also comprises main screen chip for driving 8 and secondary screen chip for driving 9, and main screen chip for driving 8 electrically is welded in main screen flexible printed circuit board 6, and main screen chip for driving 8 is electrically connected main screen 1 by main screen chip for driving 8; Secondary screen chip for driving 9 electrically is welded in secondary screen flexible printed circuit board 7, and secondary screen chip for driving 9 is electrically connected secondary screen 2 by secondary screen chip for driving 9.
2.4 the display size of very little QVGA LCD MODULE is 2.40 inches, the length of its viewing area * wide is: 48.96 * 36.72mm.
2.4 the display pixel of very little QVGA LCD MODULE is: 320 * 240 pixels, each pixel size: 0.153 * 0.153mm.
The outside surface of main screen 1 has been sticked and has gone up polaroid, and the outside surface of secondary screen 2 has been sticked and has gone up polaroid.
The bottom surface of main screen 1 polaroid that has been sticked down, the bottom surface of secondary screen 2 polaroid that has been sticked down.
Main screen flexible printed circuit board 6 is arranged to the main screen flexible printed circuit board 6 that 17PIN is welded to connect, and secondary screen flexible printed circuit board 7 is arranged to the pair screen flexible printed circuit board 7 that 26PIN is welded to connect.The contour structures of main screen 1 and secondary screen 2 is symmetrical arranged, and the contour structures of main screen 1 and secondary screen 2 is of a size of: length * wide * thickness: 47.62 ± 0.2 * 53.00 ± 0.2 * 3.81max mm.
Above content is preferred embodiment of the present invention only, and for those of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, this description should not be construed as limitation of the present invention.
Claims (10)
1. double-screen liquid crystal display module, comprise main screen (1) and secondary screen (2), it is characterized in that: also comprise barricade backlight (3), be provided with module backlight (4) in the middle of the barricade backlight (3), the front surface and the rear surface of barricade backlight (3) are respectively arranged with the screen host cavity, main screen (1) and secondary screen (2) are individually fixed in the shielding host cavity of barricade backlight (3) front surface and rear surface, and the front surface of barricade backlight (3) and the outer rim of rear surface form the location rib (5) that is used to locate main screen (1) and secondary screen (2) respectively.
2. a kind of double-screen liquid crystal display module according to claim 1 is characterized in that: described main screen (1) and secondary screen (2) stacked respectively front surface and rear surface that is arranged at module backlight (4).
3. a kind of double-screen liquid crystal display module according to claim 2, it is characterized in that: described location rib (5) is arranged at the front surface of module backlight (4) and the edge of rear surface respectively, and location rib (5) is the thin-walled body that stands on the edge of module backlight (4).
4. a kind of double-screen liquid crystal display module according to claim 3, it is characterized in that: positioning limit (5) the institute region of outer rim constitutes a described screen host cavity around the front surface of described module backlight (4) and module backlight (4), and positioning limit (5) the institute region of outer rim constitutes another described screen host cavity around the rear surface of module backlight (4) and module backlight (4).
5. according to the described a kind of double-screen liquid crystal display module of one of claim 1 to 4, it is characterized in that: described double-screen liquid crystal display module also comprises main screen flexible printed circuit board (6) and secondary screen flexible printed circuit board (7), main screen (1) connects main screen flexible printed circuit board (6), and main screen flexible printed circuit board (6) stretches out from the lower end of barricade backlight (3); Secondary screen (2) auxiliary connection screen flexible printed circuit board (7), secondary screen flexible printed circuit board (7) stretches out from the lower end of barricade backlight (3).
6. a kind of double-screen liquid crystal display module according to claim 5, it is characterized in that: described double-screen liquid crystal display module also comprises main screen chip for driving (8) and secondary screen chip for driving (9), main screen chip for driving (8) electrically is welded in main screen flexible printed circuit board (6), and secondary screen chip for driving (9) electrically is welded in secondary screen flexible printed circuit board (7).
7. a kind of double-screen liquid crystal display module according to claim 6, it is characterized in that: described main screen (1) is the main screen (1) that 2.4 cun QVGA LCD MODULE are made, secondary screen (2) is the pair screen (2) that 2.4 cun QVGA LCD MODULE are made, and main screen (1) and secondary screen (2) are symmetrical arranged.
8. a kind of double-screen liquid crystal display module according to claim 7 is characterized in that: the outside surface of described main screen (1) has been sticked and has gone up polaroid, and the outside surface of secondary screen (2) has been sticked and has gone up polaroid.
9. a kind of double-screen liquid crystal display module according to claim 8 is characterized in that: the bottom surface of described main screen (1) polaroid that has been sticked down, the bottom surface of secondary screen (2) polaroid that has been sticked down.
10. a kind of double-screen liquid crystal display module according to claim 9, it is characterized in that: described main screen flexible printed circuit board (6) is arranged to the main screen flexible printed circuit board (6) that 17PIN is welded to connect, and secondary screen flexible printed circuit board (7) is arranged to the pair screen flexible printed circuit board (7) that 26PIN is welded to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102704063A CN101923250A (en) | 2010-09-02 | 2010-09-02 | Double-screen liquid crystal display module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102704063A CN101923250A (en) | 2010-09-02 | 2010-09-02 | Double-screen liquid crystal display module |
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| Publication Number | Publication Date |
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| CN101923250A true CN101923250A (en) | 2010-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010102704063A Pending CN101923250A (en) | 2010-09-02 | 2010-09-02 | Double-screen liquid crystal display module |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106094302A (en) * | 2016-06-15 | 2016-11-09 | 苏州众显电子科技有限公司 | A kind of double-screen liquid crystal display module |
| CN108965514A (en) * | 2018-06-29 | 2018-12-07 | 努比亚技术有限公司 | A kind of the display screen FPC structure and its mobile terminal of double screen terminal |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201184943Y (en) * | 2008-03-21 | 2009-01-21 | 富港电子（东莞）有限公司 | LCD device with double screens |
| CN201364569Y (en) * | 2009-03-13 | 2009-12-16 | 深圳帝光电子有限公司 | Dual-screen display |
| CN201425669Y (en) * | 2009-04-17 | 2010-03-17 | 东莞市飞尔液晶显示器有限公司 | Liquid crystal display module |
| CN201425671Y (en) * | 2009-04-17 | 2010-03-17 | 东莞市飞尔液晶显示器有限公司 | Double-screen display module |
-
2010
- 2010-09-02 CN CN2010102704063A patent/CN101923250A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201184943Y (en) * | 2008-03-21 | 2009-01-21 | 富港电子（东莞）有限公司 | LCD device with double screens |
| CN201364569Y (en) * | 2009-03-13 | 2009-12-16 | 深圳帝光电子有限公司 | Dual-screen display |
| CN201425669Y (en) * | 2009-04-17 | 2010-03-17 | 东莞市飞尔液晶显示器有限公司 | Liquid crystal display module |
| CN201425671Y (en) * | 2009-04-17 | 2010-03-17 | 东莞市飞尔液晶显示器有限公司 | Double-screen display module |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106094302A (en) * | 2016-06-15 | 2016-11-09 | 苏州众显电子科技有限公司 | A kind of double-screen liquid crystal display module |
| CN108965514A (en) * | 2018-06-29 | 2018-12-07 | 努比亚技术有限公司 | A kind of the display screen FPC structure and its mobile terminal of double screen terminal |
| CN108965514B (en) * | 2018-06-29 | 2021-05-21 | 努比亚技术有限公司 | Display screen FPC structure of double screen terminal and mobile terminal thereof |
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Application publication date: 20101222 |