CN202613244U - Backlight module and display device comprising the same - Google Patents
Backlight module and display device comprising the same Download PDFInfo
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- CN202613244U CN202613244U CN 201220303064 CN201220303064U CN202613244U CN 202613244 U CN202613244 U CN 202613244U CN 201220303064 CN201220303064 CN 201220303064 CN 201220303064 U CN201220303064 U CN 201220303064U CN 202613244 U CN202613244 U CN 202613244U
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- side wall
- cell wall
- plane
- backboard
- framework
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Abstract
The utility model discloses a backlight module and a display device comprising the backlight module. The backlight module comprises a rear panel and a framework, wherein the rear panel comprises a rear panel side wall, the framework comprises a framework side wall, the rear panel side wall contacts the framework side wall, and the outer peripheral surface of the framework side wall parallel to the end portion of the rear panel side wall is provided with a groove. The display device comprises any type of the backlight module. The backlight module and the display device comprising the backlight module have the advantages that the groove in the outer peripheral surface of the framework side wall avoids the end portion of the rear panel side wall, so that the end portion of the rear panel side wall can not contact the framework side wall, friction is not generated, foreign matters falling off the framework are not generated, and therefore the phenomenon that the foreign matters enter a display area to affect visual effect is avoided.
Description
Technical field
The utility model relates to the display backlight field, relates in particular to module backlight and has the display unit of this module backlight.
Background technology
In the assembling process of LCD, need the framework of module backlight be positioned in the backboard, install frame additional in periphery at last.In the prior art, the end of framework and backboard sidewall is for directly to contact, and the end of backboard sidewall is comparatively sharp, in the process that framework is positioned over backboard, might framework be scratched.Simultaneously, because the squeezing action of periphery frame makes the contact force of backboard and framework bigger; Therefore be easy to occur falling down foreign matter from framework because of directly contacting; Foreign matter can cause hickie, stain, module scuffing backlight etc. bad after getting into the viewing area, has a strong impact on visual effect.The mechanical test of quality evaluation process as shake, beat, in the vibrations and impact process in impact and mobile product, the vehicle-mounted liquid crystal display product environment for use, the bad phenomenon incidence that above-mentioned reason causes is higher.
As shown in Figure 1, Fig. 1 is a kind of module sketch map backlight of the prior art, and said module backlight comprises framework 200, backboard 100 and frame 300; Said backboard sidewall 110 one sides directly contact with framework 200; Said backboard sidewall 110 another sides directly contact with frame 300, and chamfering and bending design are done in the end of said backboard sidewall 110, and said bending is designed to two-fold rib 130 (structure shown in the circle among the figure); This kind design has increased the bending resistance folding endurance of backboard; Reduced the end of backboard sidewall 110 and contacting of framework 200, but this kind method has increased backboard manufacturing process, reduced production capacity and increased cost; Simultaneously, the zone of bending is easy to generate damaging burr, and this burr and framework also can produce foreign matter after producing and interfering.
The utility model content
The utility model provides a kind of module backlight and has the display unit of this module backlight, directly contacts the foreign matter that causes from framework falls down in order to end and the framework that solves the backboard sidewall that exists in the prior art and gets into the problem that the viewing area influences visual effect.
For achieving the above object, the utility model provides following technical scheme:
A kind of module backlight comprises backboard and framework, and said backboard comprises the backboard sidewall, and said framework comprises frame side wall, and said backboard sidewall and frame side wall contact; Said frame side wall outer peripheral face is provided with groove with the parallel place of backboard side wall ends.
Preferably, said groove comprises bottom land; The A/F of said groove is greater than the width of bottom land.
Preferably, at the bottom of the bottom land of said groove is arc-shaped slot; Said groove also comprises the cell wall that is positioned at both sides at the bottom of the arc-shaped slot; On the direction parallel with frame side wall, the distance between the cell wall of both sides increases from the bottom land to the opening gradually.
Preferably, the cell wall of at the bottom of the deep-slotted chip breaker of said groove and both sides symmetry; One end of the cell wall of each side is connected with at the bottom of the arc-shaped slot, and the other end is connected with said frame side wall outer peripheral face.
Preferably, said backboard also comprises backboard; Said framework also comprises the framework diapire; Said backboard side wall ends equates from the height h of framework diapire apart from the distance of center circle of the height H of backboard inner surface with the circle at circular arc at the bottom of said arc-shaped slot place.
Preferably, said cell wall is the plane cell wall.
Preferably, the angle on said plane cell wall plane, place and plane, the inboard place of said frame side wall is 130 °～140 °; The length of said plane cell wall on cross section is 0.5 millimeter～0.7 millimeter.
Preferably, the angle on said plane cell wall plane, place and plane, said frame side wall outer peripheral face place is 135 °; The length of said plane cell wall on cross section is 0.6 millimeter.
Preferably, the diameter of a circle R=(3L * sin α)/2 at the place of the circular arc at the bottom of the said arc-shaped slot; Wherein, the angle on plane cell wall plane, place and plane, said frame side wall outer peripheral face place is α, and the length of said plane cell wall on cross section is L; Surround at the bottom of the said arc-shaped slot and form the circular arc space, said cell wall surrounds the formation cushion space; The degree of depth of said cushion space is 2:1 with the ratio of the degree of depth in said circular arc space.
The display unit of the utility model comprises described any module backlight.
The module backlight of the utility model and to have a beneficial effect of display unit of this module backlight following: the groove of avoiding module dorsulum side wall ends backlight on the said frame side wall outer peripheral face makes the end of backboard sidewall can directly not contact with frame side wall; And then can not rub, can not produce the foreign matter that falls down from framework; Avoid foreign matter to get into the viewing area and influenced visual effect.
Description of drawings
Fig. 1 is a kind of module backlight of the prior art;
Fig. 2 is the structural representation of an embodiment of the module backlight of the utility model;
Fig. 3 is the partial enlarged drawing of A structure among Fig. 2.
The main element symbol description:
100: backboard; 110: the backboard sidewall; 120: backboard; 130: the two-fold rib;
200: framework; 210: frame side wall; 211: groove; 220: the framework diapire;
300: frame.
The specific embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 2, the module backlight of an embodiment of the utility model comprises backboard 100, framework 200 and frame 300.In the assembling process of LCD, need the framework 200 of module backlight be positioned in the backboard 100, install frame 300 additional in periphery at last.
Said backboard 100 comprises backboard sidewall 110, and said framework 200 comprises frame side wall 210; Said backboard sidewall 110 contacts with frame side wall 210; The groove 211 that said frame side wall 210 outer peripheral faces and backboard sidewall 110 end parts parallel places are provided with.After the assembling of LCD was accomplished, said framework 200 was positioned in the backboard 100, and said frame side wall 210 contacts with backboard sidewall 110.Because the existence of backboard sidewall 210 outer peripheral face upper grooves 211; Make the end of backboard sidewall 110 can directly not contact with frame side wall 210; And then can not rub, can not produce foreign matter from framework, the viewing area of having avoided foreign matter to get into LCD influences visual effect.
Preferably, said groove 211 comprises bottom land; The A/F of said groove is greater than the width of bottom land.Like this, the space that groove surrounded is bigger.
Preferably, as shown in Figure 3, at the bottom of the bottom land of said groove is arc-shaped slot; Said groove also comprises the cell wall that is positioned at both sides at the bottom of the arc-shaped slot; On the direction parallel with frame side wall, the distance between the cell wall of both sides increases from the bottom land to the opening gradually.Like this, the space that groove surrounded is bigger.
Preferably, the cell wall of at the bottom of the deep-slotted chip breaker of said groove and both sides symmetry; One end of the cell wall of each side is connected with at the bottom of the arc-shaped slot, and the other end is connected with said frame side wall 210 outer peripheral faces.
Make at the bottom of the arc-shaped slot that bottom land is level and smooth, make said framework 200 be not easy to bend when frame 300 receives external force installing additional.Compare with the groove that is defined by a radius fully by the groove that is combined to form with cell wall at the bottom of the arc-shaped slot, under the identical situation of arc length, bigger by the space that groove surrounded that is combined to form with cell wall at the bottom of the arc-shaped slot; Make that the end of backboard sidewall 110 can be not bigger with the space that frame side wall 210 directly contacts, and then can not rub, can not produce foreign matter from framework, the viewing area of having avoided foreign matter to get into LCD influences visual effect.
Preferably, said backboard 100 also comprises backboard 120; Said framework 200 also comprises framework diapire 220; Said backboard sidewall 110 ends equate from the height h of framework diapire 220 apart from the distance of center circle of the height H of backboard 120 inner surfaces with the circle at circular arc at the bottom of said arc-shaped slot place.After the LCD assembling is accomplished; Framework diapire 220 contacts with backboard 120 inner surfaces; Said backboard sidewall 110 ends equate from the height h of framework diapire 220 apart from the distance of center circle of the height H of backboard 120 inner surfaces with the circle at circular arc at the bottom of said arc-shaped slot place; Make the end and the groove of backboard sidewall 110 parallel, the end of backboard sidewall 110 can directly not contact with frame side wall 210, and then can not rub; Can not produce foreign matter, the viewing area of having avoided foreign matter to get into LCD influences visual effect.
Preferably, as shown in Figure 3, said cell wall is the plane cell wall.
Preferably, the angle on said plane cell wall plane, place and plane, the inboard place of said frame side wall is 130 degree～140 degree;
The length L of said plane cell wall on cross section is 0.5 millimeter～0.7 millimeter.
Preferably, the angle on said plane cell wall plane, place and plane, said frame side wall outer peripheral face place is 135 °; The length of said plane cell wall on cross section is 0.6 millimeter.
On the cross section of said groove, said cell wall surrounds the formation cushion space.After the angle of the length L on the cross section and plane cell wall and said frame side wall was confirmed, cushion space was being confirmed along the length of the direction of frame side wall with in the degree of depth perpendicular to the direction of frame side wall at said plane cell wall.The qualification of above-mentioned angle to length L and plane cell wall and the said frame side wall of said plane cell wall on cross section is in order to form enough big cushion space.Enough big cushion space makes the end and the frame side wall 210 of backboard sidewall 110, even if during frame during backboard generation deformation, can not cause the direct contact of the two in the generation deformation of assembling process middle frame and assembling; Simultaneously, in the vibrations process of mechanical test and environment for use, the two deformation and the cushion space that directly contacts are very big, also can not cause the scuffing of framework to produce foreign matter.
Preferably, the diameter of a circle R=(3L * sin α)/2 at the place of the circular arc at the bottom of the said arc-shaped slot; Surround at the bottom of the said arc-shaped slot and form the circular arc space, said cell wall surrounds the formation cushion space; The degree of depth of said cushion space is 2:1 with the ratio of the degree of depth in said circular arc space; Wherein, L is the length of plane cell wall on cross section; α is the angle of plane cell wall and said frame side wall; The degree of depth of said cushion space is the plane cell wall in the projection perpendicular to the direction of frame side wall, and the degree of depth in said circular arc space is said circular arc in the projection perpendicular to the direction of frame side wall.At the plane cell wall after the angle of the length L on the cross section and plane cell wall and said frame side wall is confirmed, the diameter of a circle R at the circular arc place at the bottom of the said arc-shaped slot that calculates according to above-mentioned formula; And the position at the circular arc place at the bottom of the ratio of the degree of depth of said cushion space and the degree of depth in said circular arc space to be 2:1 the confirmed said arc-shaped slot; Realized at the bottom of the arc-shaped slot and the smooth connection of plane cell wall, made said framework 200 be not easy to bend when frame 300 receives external force installing additional.
Need to prove: the foregoing description is that example describes with the LCD.
Preferably, the utility model also provides a kind of display unit, and this display unit comprises aforesaid module backlight.Said display unit can show any product or parts with Presentation Function such as (Organic Electroluminesence Display is abbreviated as OELD) panel, LCD TV, LCD, DPF, mobile phone, panel computer for: liquid crystal panel, Electronic Paper, organic electric laser.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from the spirit and the scope of the utility model.Like this, belong within the scope of the utility model claim and equivalent technologies thereof if these of the utility model are revised with modification, then the utility model also is intended to comprise these changes and modification interior.
Claims (10)
1. a module backlight comprises backboard and framework, and said backboard comprises the backboard sidewall, and said framework comprises frame side wall, and said backboard sidewall and frame side wall contact; It is characterized in that,
Said frame side wall outer peripheral face is provided with groove with the parallel place of backboard side wall ends.
2. module backlight as claimed in claim 1 is characterized in that,
Said groove comprises bottom land; The A/F of said groove is greater than the width of bottom land.
3. module backlight as claimed in claim 2 is characterized in that,
At the bottom of the bottom land of said groove is arc-shaped slot; Said groove also comprises the cell wall that is positioned at both sides at the bottom of the arc-shaped slot; On the direction parallel with frame side wall, the distance between the cell wall of both sides increases from the bottom land to the opening gradually.
4. module backlight as claimed in claim 3 is characterized in that,
At the bottom of the deep-slotted chip breaker of said groove and the cell wall of both sides symmetry; One end of the cell wall of each side is connected with at the bottom of the arc-shaped slot, and the other end is connected with said frame side wall outer peripheral face.
5. module backlight as claimed in claim 3 is characterized in that,
Said backboard also comprises backboard; Said framework also comprises the framework diapire; Said backboard side wall ends equates from the height of framework diapire with the distance of center circle of the circle at circular arc at the bottom of said arc-shaped slot place apart from the height of backboard inner surface.
6. module backlight as claimed in claim 3 is characterized in that, said cell wall is the plane cell wall.
7. module backlight as claimed in claim 6 is characterized in that, the angle on said plane cell wall plane, place and plane, the inboard place of said frame side wall is 130 °～140 °;
The length of said plane cell wall on cross section is 0.5 millimeter～0.7 millimeter.
8. module backlight as claimed in claim 7 is characterized in that, the angle on said plane cell wall plane, place and plane, said frame side wall outer peripheral face place is 135 °; The length of said plane cell wall on cross section is 0.6 millimeter.
9. like claim 7 or 8 described modules backlight, it is characterized in that,
The diameter of a circle R=(3L * sin α)/2 at the circular arc place at the bottom of the said arc-shaped slot; Wherein, the angle on plane cell wall plane, place and plane, said frame side wall outer peripheral face place is α, and the length of said plane cell wall on cross section is L; Surround at the bottom of the said arc-shaped slot and form the circular arc space, said cell wall surrounds the formation cushion space; The degree of depth of said cushion space is 2:1 with the ratio of the degree of depth in said circular arc space.
10. a display unit is characterized in that, comprises described any module backlight of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220303064 CN202613244U (en) | 2012-06-25 | 2012-06-25 | Backlight module and display device comprising the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220303064 CN202613244U (en) | 2012-06-25 | 2012-06-25 | Backlight module and display device comprising the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202613244U true CN202613244U (en) | 2012-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220303064 Expired - Lifetime CN202613244U (en) | 2012-06-25 | 2012-06-25 | Backlight module and display device comprising the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202613244U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109087583A (en) * | 2018-10-09 | 2018-12-25 | 合肥惠科金扬科技有限公司 | A kind of backboard assembling structure and display device |
-
2012
- 2012-06-25 CN CN 201220303064 patent/CN202613244U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109087583A (en) * | 2018-10-09 | 2018-12-25 | 合肥惠科金扬科技有限公司 | A kind of backboard assembling structure and display device |
| CN109087583B (en) * | 2018-10-09 | 2024-02-13 | 合肥惠科金扬科技有限公司 | Backboard assembly structure and display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY Effective date: 20150707 Owner name: JINGDONGFANG SCIENCE AND TECHNOLOGY GROUP CO., LTD Free format text: FORMER OWNER: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20150707 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150707 Address after: 100015 Jiuxianqiao Road, Beijing, No. 10, No. Patentee after: BOE TECHNOLOGY GROUP Co.,Ltd. Patentee after: BEIJING BOE OPTOELECTRONICS TECHNOLOGY Co.,Ltd. Address before: 100176 Beijing city in Western Daxing District economic and Technological Development Zone, Road No. 8 Patentee before: BEIJING BOE OPTOELECTRONICS TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121219 |