CN1942073A - Display device and its positioning mechanism - Google Patents
Display device and its positioning mechanism Download PDFInfo
- Publication number
- CN1942073A CN1942073A CN 200510108983 CN200510108983A CN1942073A CN 1942073 A CN1942073 A CN 1942073A CN 200510108983 CN200510108983 CN 200510108983 CN 200510108983 A CN200510108983 A CN 200510108983A CN 1942073 A CN1942073 A CN 1942073A
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- Prior art keywords
- keeper
- alignment pin
- pcb
- circuit board
- printed circuit
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Abstract
The invention is used in a display comprising a PCB and a backlight module. It comprises a first locationss and a second locationss. The first locationss sits on the backlight module, and the second locationss sits on the BCB. The second locationss is used to combine with the first locationss in order secure the PCB on the backlight module.
Description
[technical field]
The invention relates to a kind of display and detent mechanism thereof, and particularly relevant for a kind of display and detent mechanism thereof that printed circuit board (PCB) is positioned backlight module.
[background technology]
Fig. 1 is the structure chart of known display assembling printed circuit board (PCB) and backlight module.Please refer to Fig. 1, display 100 comprises backlight module 110, display floater 120, flexible PCB (Tape Carrier Package, TCP) 130 and printed circuit board (PCB) (Printed Circuit Board) 140.Display floater 120 is the top that is disposed at backlight module 110.Printed circuit board (PCB) 140 is to join with flexible PCB 130 and display floater 120.Because flexible PCB 130 is a flexible material, printed circuit board (PCB) 140 is to hang down to placing a side of backlight module 110.Printed circuit board (PCB) 140 tools second screw hole 164, and backlight module 110 sides have first screw hole 162 in order to aliging with second screw hole 164 of printed circuit board (PCB) 140, and locks printed circuit board (PCB) 140 and backlight module 110 with screw 166.
In the process of contraposition printed circuit board (PCB) 140 and backlight module 110, because printed circuit board (PCB) 140 can be sagging because of the weight of itself under the situation of not bestowing external force or support.Therefore, if lock printed circuit board (PCB) 140 and backlight module 110, when first screw hole, 162 contrapositions of second screw hole 164 that carries out printed circuit board (PCB) 140 and backlight module 110, be difficult for aliging with manual mode.In addition, in the prior art, also can second screw hole 164 of printed circuit board (PCB) 140 be done pre-contraposition with first screw hole 162 of backlight module 110 and seize on both sides by the arms, lock printed circuit board (PCB) 140 and backlight module 110 to make things convenient for screw 166 by an auxiliary holding structure.Treat that screw 166 locks and to assist holding structure to unclamp again after finishing.Because printed circuit board (PCB) 140 and backlight module 110 are located with the manual mode contraposition or with auxiliary holding structure by prior art system, need the long activity duration.In addition, owing to assist the cost height of holding structure, relatively improved the cost of manufacture of display.
[summary of the invention]
In view of this, purpose of the present invention is providing a kind of display and detent mechanism thereof exactly, be utilization in conjunction with first keeper on the backlight module and second keeper on the printed circuit board (PCB), printed circuit board (PCB) is positioned on the backlight module.So, can save the cost and the shortening activity duration of making auxiliary holding structure.
According to purpose of the present invention, a kind of detent mechanism is proposed, be used in a display.Display comprises printed circuit board (PCB) and backlight module.Detent mechanism comprises first keeper and second keeper.First keeper system is disposed on the backlight module.Second keeper system is disposed on the printed circuit board (PCB).And second keeper system uses that in order in conjunction with first keeper printed circuit board (PCB) is positioned on the backlight module.
According to purpose of the present invention, other proposes a kind of display, comprises backlight module and printed circuit board (PCB).Backlight module comprises first keeper.Printed circuit board (PCB) comprises second keeper.And second keeper system uses that in order in conjunction with first keeper printed circuit board (PCB) is positioned on the backlight module.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below:
[description of drawings]
Fig. 1 illustrates the structure chart of known display assembling printed circuit board (PCB) and backlight module.
Fig. 2 A illustrates display assembling printed circuit board (PCB) and the backlight modular structure figure according to a preferred embodiment of the present invention.
Fig. 2 B illustrates the structure side view that backlight module and printed circuit board (PCB) position among Fig. 2 A.
Fig. 3 A illustrates backlight module in the display of a preferred embodiment of the present invention and has the structure side view that alignment pin and printed circuit board (PCB) have location notch.
Fig. 3 B illustrates that backlight module in the display of a preferred embodiment of the present invention has that the location is colluded and printed circuit board (PCB) has the structure top view of locating ring.
Fig. 3 C illustrates in the display of a preferred embodiment of the present invention backlight module and has that collude first location and printed circuit board (PCB) has the structure top view that collude second location.
[embodiment]
Please refer to Fig. 2 A, it illustrates display assembling printed circuit board (PCB) and backlight modular structure figure according to a preferred embodiment of the present invention.Display 200 comprises backlight module 210, display floater 220, flexible PCB 230 and printed circuit board (PCB) 240.Display floater 220 is arranged at backlight module 210 tops.Printed circuit board (PCB) 240 couples display floater 220 by flexible PCB 230, and because flexible PCB 230 is a flexible material, printed circuit board (PCB) 240 is to hang down to placing a side of backlight module 210.The side of backlight module 210 has first screw hole 262, and printed circuit board (PCB) 240 has second screw hole 264.Second screw hole 264 of printed circuit board (PCB) 240 is in order to aliging with first screw hole 262 of backlight module 210, and locks printed circuit board (PCB) 240 and backlight module 210 with screw 266.In addition, backlight module 210 comprises alignment pin 252, and printed circuit board (PCB) 240 comprises location hole 254.Location hole 254 is in order to combine with alignment pin 252, so that printed circuit board (PCB) 240 is positioned on the backlight module 210.
Please be simultaneously with reference to Fig. 2 A and Fig. 2 B, Fig. 2 B illustrates the structure side view that backlight module 210 and printed circuit board (PCB) 240 position among Fig. 2 A.The shape of alignment pin 252 is pushing and drawing shape (taper), that is the cross section of alignment pin 252 system is dwindled gradually by bottom to top.Therefore, the top cross-section A of alignment pin 252 system less than and be contained in the bottom section B of alignment pin 252.With trapezoidal alignment pin 252 is example, and the side 256 of alignment pin 252 has a tilt angle theta with the vertical line L perpendicular to alignment pin 252 bottoms.This tilt angle theta is unsuitable excessive, makes location hole 254 can reach suitable locating effect when combining with alignment pin 252.In addition, the cross section C of the location hole 254 on the printed circuit board (PCB) 240 system greater than and comprise the top cross-section A of alignment pin 252, make location hole 254 be enough to be inserted in the alignment pin 252.And the cross section C of location hole 254 less than and be contained in the bottom section B of alignment pin 252, when avoiding location hole 254 to combine with alignment pin 252 bottoms because of the excessive locating effect that influences of cross section C.Because the top cross-section A of alignment pin 252 system is less than bottom section B, even the central point of location hole 254 is not aimed at the central point of alignment pin 252 fully, after as long as the top of alignment pin 252 enters location hole 254, location hole 254 just can be via the guiding of the side 256 of alignment pin 252 and is incorporated into alignment pin 252 bottoms, uses that printed circuit board (PCB) 240 is positioned on the backlight module 210.Thus, first screw hole 262 just can align with second screw hole 264, makes printed circuit board (PCB) 240 and backlight module 210 usefulness screws 266 lock together.
As mentioned above, though display 200 of the present invention has alignment pin 252 with backlight module 210, and printed circuit board (PCB) 240 has location hole 254 for example explains, and right display 200 of the present invention can also be that backlight module 210 has location hole, and printed circuit board (PCB) 240 has alignment pin.Perhaps as shown in Figure 3A, Fig. 3 A illustrates backlight module 210 in the display 200 of a preferred embodiment of the present invention and has the structure side view that alignment pin 258 and printed circuit board (PCB) 240 have location notch 270.Alignment pin 258 combines with location notch 270 with manner.Perhaps shown in Fig. 3 B, Fig. 3 B illustrate backlight module 210 in the display 200 of a preferred embodiment of the present invention have the location collude 272 and printed circuit board (PCB) 240 have the structure top view of locating ring 274.The location is colluded 272 and is combined with locating ring 274 to collude the mode of closing.Perhaps shown in Fig. 3 C, Fig. 3 C illustrate in the display 200 of a preferred embodiment of the present invention backlight module 210 have first location collude 276 and printed circuit board (PCB) 240 have second location and collude 278 structure top view.First location is colluded 276 and second and is located and to collude 278 and combine to collude the mode of closing.So long as second keeper of first keeper of backlight module 210 and printed circuit board (PCB) 240 has suitable size design to reach advantages of good positioning effect, conveniently lock printed circuit board (PCB) 240 and backlight module 210, neither disengaging technical scope of the present invention.
According to above-mentioned preferred embodiment, the advantage of display of the present invention is that backlight module has alignment pin, and printed circuit board (PCB) has location hole.When assembling backlight module and printed circuit board (PCB), only need make pre-determined bit in conjunction with alignment pin and location hole, can reach printed circuit board (PCB) is attached to purpose on the backlight module with screw, very easy in the operation.The process of location backlight module and printed circuit board (PCB) does not need to use traditional auxiliary holding structure.Therefore can reduce cost effectively, and can reduce the manpower burden simultaneously and shorten the activity duration.
In sum; though the present invention discloses as above with a preferred embodiment; right its is not in order to limit the present invention; anyly have the knack of this skill person; without departing from the spirit and scope of the present invention; when can being used for a variety of modifications and variations, so protection scope of the present invention is as the criterion when looking accompanying the claim person of defining.
Claims (15)
1. a detent mechanism is used in a display, and this display comprises a printed circuit board (PCB) and a backlight module, and this detent mechanism comprises:
One first keeper is to be disposed on this backlight module; And
One second keeper is to be disposed on this printed circuit board (PCB) (Printed Circuit Board), in order in conjunction with this first keeper, uses that this printed circuit board (PCB) is positioned on this backlight module.
2. detent mechanism according to claim 1, it is characterized in that this first keeper is an alignment pin, this second keeper system forms a location hole, and this alignment pin system uses that in order in conjunction with this location hole this printed circuit board (PCB) is positioned on this backlight module.
3. detent mechanism according to claim 1, it is characterized in that this first keeper system is formed at the location hole on this backlight module, this second keeper is an alignment pin, and this alignment pin system uses that in order in conjunction with this location hole this printed circuit board (PCB) is positioned on this backlight module.
4. according to claim 2 or the 3rd described detent mechanism, it is characterized in that, the shape of this alignment pin is pushing and drawing shape (taper), and after entering this location hole in this alignment pin top, this location hole is incorporated into this alignment pin bottom via the guiding of this alignment pin side.
5. detent mechanism according to claim 4 is characterized in that, the cross section system of this location hole comprises this alignment pin top cross-section, and is contained in this alignment pin bottom section.
6. detent mechanism according to claim 1 is characterized in that, this first keeper is an alignment pin, and this second keeper system forms a location notch, and this alignment pin system is in order in conjunction with this location notch.
7. detent mechanism according to claim 1 is characterized in that, this first keeper is that collude a location, and this second keeper system formation one locating ring, in order to collude in conjunction with this location.
8. detent mechanism according to claim 1 is characterized in that, this first keeper be one first the location collude, and this second keeper be one second the location collude, in order in conjunction with this first the location collude.
9. display comprises:
One backlight module comprises one first keeper; And
One printed circuit board (PCB) comprises one second keeper, and wherein this second keeper system uses that in order in conjunction with this first keeper this printed circuit board (PCB) is positioned on this backlight module.
10. display according to claim 9 is characterized in that, this first keeper is an alignment pin, and this second keeper is a location hole.
11. display according to claim 10 is characterized in that, this alignment pin is pushing and drawing shape (taper), and after entering this location hole in this alignment pin top, this location hole is incorporated into this alignment pin bottom via the guiding of this alignment pin side.
12. display according to claim 10 is characterized in that, the cross section system of this location hole comprises this alignment pin top cross-section, and is contained in this alignment pin bottom section.
13. display according to claim 9 is characterized in that, this first keeper is an alignment pin, and this second keeper system forms a location notch.
14. display according to claim 9 is characterized in that, this first keeper is that collude a location, and this second keeper system forms a locating ring.
15. display according to claim 9 is characterized in that, this first keeper is that collude one first location, and this second keeper is that collude one second location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510108983 CN1942073A (en) | 2005-09-29 | 2005-09-29 | Display device and its positioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510108983 CN1942073A (en) | 2005-09-29 | 2005-09-29 | Display device and its positioning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1942073A true CN1942073A (en) | 2007-04-04 |
Family
ID=37959728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510108983 Pending CN1942073A (en) | 2005-09-29 | 2005-09-29 | Display device and its positioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1942073A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101964160B (en) * | 2009-07-23 | 2014-03-12 | 群创光电股份有限公司 | Display device |
| CN103925517B (en) * | 2013-11-27 | 2018-07-10 | 上海中航光电子有限公司 | A kind of backlight module and liquid crystal display device |
-
2005
- 2005-09-29 CN CN 200510108983 patent/CN1942073A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101964160B (en) * | 2009-07-23 | 2014-03-12 | 群创光电股份有限公司 | Display device |
| CN103925517B (en) * | 2013-11-27 | 2018-07-10 | 上海中航光电子有限公司 | A kind of backlight module and liquid crystal display device |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20070404 |