CN100523952C - Backlight module and planar display - Google Patents
Backlight module and planar display Download PDFInfo
- Publication number
- CN100523952C CN100523952C CNB2006101540286A CN200610154028A CN100523952C CN 100523952 C CN100523952 C CN 100523952C CN B2006101540286 A CNB2006101540286 A CN B2006101540286A CN 200610154028 A CN200610154028 A CN 200610154028A CN 100523952 C CN100523952 C CN 100523952C
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- bracing frame
- blooming piece
- flat
- backlight module
- angle
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Abstract
The present invention discloses a backlighting module and a flat-panel display thereof. A frame between the reverse face of the backlighting module and a flat-panel display shell is made into a supporting bracket with an oblique tangent plane, and the oblique tangent plane ensures that the supporting bracket can increase the stress contacting area with the flat-panel display backlighting module when receiving the stress transmitted by the flat-panel display shell, therefore, the pressure exerted on the unit area of the flat-panel display backlighting module can be reduced due to the increase of the contact area, and the display quality of the flat-panel display can be improved.
Description
Technical field
Relevant a kind of backlight module of the present invention and flat-panel screens, particularly a kind of backlight module and flat-panel screens with glue frame support.
Background technology
General on the mechanism design of flat-panel screens, can place casing plastic plate (Polycarbonate Board at the back side of backlight module, PCB) to support the backlight module one-piece construction, the surface of contact between flat-panel screens backlight module and casing plastic plate also is provided with the panel module of glue frame with the supporting plane display.
Under said structure, when the shell on the flat-panel screens is exerted pressure test, the shell of flat-panel screens is subjected to acting force can produce metaboly, and continuous deformation is when touching the flat-panel screens backlight module, acting force just can be passed to the back side of flat-panel screens backlight module, be illustrated in figure 1 as the diagrammatic cross-section of existing glue frame and each parts, stress F is sent to glue frame 14 again via reflector plate 13, the light guide plate 12 and blooming piece 11 of backlight module by a shell 15, is passed to panel module 10 at last.Because glue frame 14 is attached on the reflector plate 13 fully, when stress during at glue frame 13, be subjected to the stress area little, relative will cause the 13 stressed changes of glue frame big, and when this Stress Transfer to LCD panel module 10, will make flat-panel screens on display quality, produce stain or other display quality bad phenomenon, also might cause panel ruptures when serious.
Summary of the invention
In order to solve the problem of flat-panel screens display quality, one embodiment of the invention provides a kind of backlight module.It utilizes the structural change of glue frame support to make the surface of contact of glue frame support and backlight module that one angle be arranged, and the area that can provide bigger stress to bear produces to lower the bad problem of display quality.
Be subjected to stress to cause the problem of mechanism collapse in order to solve panel module, one embodiment of the invention provides a kind of flat-panel screens.It, makes the backlight module outside can fit tightly and absorb the two-d display panel back side with the two-d display panel back side and is subjected to the stress that external force produces as stress buffer mechanism by the glue frame.
For achieving the above object, one embodiment of the invention provides a kind of backlight module, comprise a blooming piece, one framework and a backboard, its middle frame has at least one bracing frame that can be out of shape along with the external force change, and bracing frame has an inclined-plane, has an angle between the surface of contact of this inclined-plane and this bracing frame and blooming piece, so that the bracing frame and first blooming piece keep certain distance.The inboard connection of backboard also contacts this bracing frame, wherein said bracing frame bears the acting force that is come by the backboard transmission makes bracing frame be out of shape, and when external force increases,, the angle between the surface of contact of the bracing frame and first blooming piece increases contact area so that the whole inclined-plane of support frame as described above contacts described first blooming piece thereby producing the variation of angle.
When above-mentioned backlight module was applied to a kind of flat-panel screens, described flat-panel screens comprised a display casing; One backlight module is positioned at display casing and a panel module is positioned on the backlight module.Wherein, backlight module comprises one first blooming piece and a framework.This framework has at least one bracing frame that can be out of shape along with the external force change, the inboard one side that connects and contact bracing frame of display casing, the another side of bracing frame contacts with first blooming piece and has a surface of contact, and bracing frame has an inclined-plane, has an angle between this inclined-plane and this surface of contact, so that the bracing frame and first blooming piece keep certain distance.The inboard connection of backboard also contacts this bracing frame, wherein said bracing frame bears the acting force that is come by the backboard transmission makes bracing frame be out of shape, and when external force increases,, the angle between the surface of contact of the bracing frame and first blooming piece increases contact area so that the whole inclined-plane of support frame as described above contacts described first blooming piece thereby producing the variation of angle.
Description of drawings
Fig. 1 is the diagrammatic cross-section of existing glue frame support and each parts.
Fig. 2 is for illustrating the structural representation of a flat-panel screens according to one embodiment of the invention.
Fig. 3 is the structural representation according to explanation backlight module shown in Figure 2.
Fig. 4 is according to explanation shown in Figure 3 structure top view of the present invention.
Fig. 5 A is according to the diagrammatic cross-section of one embodiment of the invention explanation along the bracing frame shown in the AA ' line of Fig. 4.
Fig. 5 B is depicted as the diagrammatic cross-section after Fig. 5 A is subjected to stress.
Embodiment
Fig. 2 is according to one embodiment of the invention, and the structural representation of a flat-panel screens is described.One flat-panel screens comprises that a backlight module 20 provides flat-panel screens required display light source; One panel module 30 is handled light source and is demonstrated various images; One fixed frame 40 can be with panel module 30 and backlight module 20 secure bond together.
Fig. 3 is the structural representation according to explanation backlight module shown in Figure 2.Backlight module 20 bottoms are a light source 21, and a light guide plate 23 is arranged on the light source 21, and fixedly backlight module of a framework 27 is then arranged on the light guide plate 23.Wherein, light guide plate then has several blooming pieces 22,24,25 and 26 in both sides about in the of 23.
Fig. 4 is the structure top view according to explanation shown in Figure 3 backlight module of the present invention.One has 222 of geometric frameworks, and the another side of framework 222 then is backboard (or shell) the (not shown) inboard of flat-panel screens on the back side of blooming piece 22, below will be with the structure of framework 222 explanation bracing frames 223.
See also Fig. 5 A for the diagrammatic cross-section along the bracing frame shown in the AA ' line of Fig. 4 is described according to one embodiment of the invention, bracing frame 223 is one to have the part of geometric framework 222, the backboard 50 (or shell) of flat-panel screens is inboard to be connected and contact bracing frame 223, the another side of bracing frame 223 contacts with blooming piece 22, and bracing frame 223 has the inclined-plane, have angle theta between the surface of contact of this inclined-plane and bracing frame 223 and blooming piece 22, angle theta makes bracing frame 223 and blooming piece 22 keep a fixed range; Wherein the preferable scope of angle theta is spent to 45 degree from 1.In addition, blooming piece 22 opposite sides are light guide plate 23, blooming piece 24,25 and 26, and backmost plate module 30 contacts with blooming piece 26.Wherein, blooming piece 22 is a reflector plate.
According to said structure, when backboard 50 is subjected to a stress F, be depicted as diagrammatic cross-section after Fig. 5 A is subjected to stress as Fig. 5 B, bracing frame 223 bears by backboard 50 and transmits and next acting force, make bracing frame 223 be out of shape, whole inclined-plane contact optical diaphragm 22 and increase the area of contact can reduce the pressure that unit area is born on blooming piece 22; So, the bracing frame 223 with angle theta can increase the area that stress bears, and reduces the stress value that is passed to panel 30, can avoid the display quality of flat-panel screens to have problems.
Moreover, bracing frame 223 is constituted by the rubber-like material, it is engineering plastics, as polycarbonate (Polycarbonate, PC), polycarbonate adds glass (Glass Fiber, GF) or polycarbonate add acrylonitrile-butadiene-phenylethylene multipolymer (Acrylonitrile-Butadiene-Styrene copolymer, ABS), utilize it as stress buffer mechanism, make the backlight module outside can fit tightly and absorb display panel enclosure and be subjected to the stress that external force is transmitted with two-d display panel shell inboard, module in the whole flat-panel screens can be firmer, can avoid panel module to cause the problem of mechanism collapse when being subjected to stress.
When said structure is used in LCD, its backlight module can be cold-cathode tube or light emitting diode (Light Emitting Diode, LED) as illuminating source, and the present invention also can be applicable to Plasmia indicating panel, and (Plasma Display Panel, the buffer gear of external force is born in conduct between back side PDP) and the shell.
According to above-mentioned, one of feature of the present invention is to provide has the glue frame support that is out of shape with external force, and when external force increased, angle theta produced the variation of angle to increase contact area, can protect the panel of flat-panel screens, guarantees display quality.
The embodiment of the above only is explanation technological thought of the present invention and characteristics, its purpose makes those of ordinary skills can understand content of the present invention and is implementing according to this, can not limit claim of the present invention with this, be that every equalization of doing according to disclosed spirit changes or modification, must be encompassed in the claim of the present invention.
Claims (14)
1. backlight module comprises:
One first blooming piece; And
One framework, it has at least one bracing frame that can be out of shape along with the external force change, and this bracing frame has an inclined-plane, has an angle between the surface of contact of this inclined-plane and this bracing frame and this first blooming piece, so that this bracing frame and this first blooming piece keep certain distance; And
One backboard, the inboard connection of this backboard also contacts this bracing frame, wherein said bracing frame bears the acting force that is come by this backboard transmission makes bracing frame be out of shape, and when external force increases,, the angle between the surface of contact of this bracing frame and this first blooming piece increases contact area so that the whole inclined-plane of support frame as described above contacts described first blooming piece thereby producing the variation of angle.
2. backlight module as claimed in claim 1 is characterized in that, also comprises:
One light guide plate, it is disposed on this first blooming piece; And
One second blooming piece, it is disposed on this light guide plate.
3. backlight module as claimed in claim 1 is characterized in that, this first blooming piece comprises a reflector plate.
4. backlight module as claimed in claim 1 is characterized in that, this framework comprises a glue frame.
5. backlight module as claimed in claim 1 is characterized in that, this angle is that 1 degree is between 45 degree.
6. backlight module as claimed in claim 1 is characterized in that this bracing frame is made up of an elastic material.
7. backlight module as claimed in claim 6 is characterized in that, this elastic material is engineering plastics.
8. flat-panel screens comprises:
One display casing;
One backlight module, it is positioned at this display casing, comprising:
One first blooming piece; And
One framework, it has at least one bracing frame that can be out of shape along with the external force change, the inboard one side that connects and contact this bracing frame of this display casing, the another side of this bracing frame contacts with this first blooming piece and has a surface of contact, and this bracing frame has an inclined-plane, has an angle between this inclined-plane and this surface of contact, so that this bracing frame and this first blooming piece keep certain distance; And
One backboard, the inboard connection of this backboard also contacts this bracing frame, wherein said bracing frame bears the acting force that is come by this backboard transmission makes bracing frame be out of shape, and when external force increases,, the angle between the surface of contact of this bracing frame and this first blooming piece increases contact area so that the whole inclined-plane of support frame as described above contacts described first blooming piece thereby producing the variation of angle; And
One panel module, it is arranged on this backlight module, to demonstrate various images.
9. flat-panel screens as claimed in claim 8 is characterized in that, also comprises:
One light guide plate, it is disposed on this first blooming piece; And
One second blooming piece, it is disposed on this light guide plate.
10. flat-panel screens as claimed in claim 8 is characterized in that, this first blooming piece comprises a reflector plate.
11. flat-panel screens as claimed in claim 8 is characterized in that, this framework system comprises a glue frame.
12. flat-panel screens as claimed in claim 8 is characterized in that, this angle is that 1 degree is between 45 degree.
13. flat-panel screens as claimed in claim 8 is characterized in that, this bracing frame is made up of an elastic material.
14. flat-panel screens as claimed in claim 13 is characterized in that, this elastic material is engineering plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101540286A CN100523952C (en) | 2006-09-12 | 2006-09-12 | Backlight module and planar display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101540286A CN100523952C (en) | 2006-09-12 | 2006-09-12 | Backlight module and planar display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101144935A CN101144935A (en) | 2008-03-19 |
| CN100523952C true CN100523952C (en) | 2009-08-05 |
Family
ID=39207531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101540286A Expired - Fee Related CN100523952C (en) | 2006-09-12 | 2006-09-12 | Backlight module and planar display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100523952C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5367124B2 (en) * | 2012-05-21 | 2013-12-11 | シャープ株式会社 | Display device and television receiver |
| CN113516914B (en) * | 2021-04-13 | 2023-08-22 | 武汉华星光电半导体显示技术有限公司 | Display module, manufacturing method thereof and display device |
-
2006
- 2006-09-12 CN CNB2006101540286A patent/CN100523952C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101144935A (en) | 2008-03-19 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090805 Termination date: 20160912 |