CN202082834U - Mold frame, backlight source unit and liquid crystal display - Google Patents
Mold frame, backlight source unit and liquid crystal display Download PDFInfo
- Publication number
- CN202082834U CN202082834U CN2011201606631U CN201120160663U CN202082834U CN 202082834 U CN202082834 U CN 202082834U CN 2011201606631 U CN2011201606631 U CN 2011201606631U CN 201120160663 U CN201120160663 U CN 201120160663U CN 202082834 U CN202082834 U CN 202082834U
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- China
- Prior art keywords
- glue frame
- hole
- boss
- liquid crystal
- stripe shape
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses a mold frame (104) provided with guides (201), wherein a T-shaped area (402) of the mold frame (104) includes through holes (403) and blocking parts (404); inner outlets of the through holes (403) face to a liquid crystal display panel (105) and close to the guides (201), and outer outlets face to the outer side of the mold frame (104) relative to a light guide plate; and the blocking parts (404) are arranged in the through holes (403), and are used for blocking partial outer outlet of the through holes (403).
Description
Technical field
The utility model relates to electronic technology field and field of liquid crystal display, particularly relates to glue frame, backlight unit and LCD.
Background technology
Characteristics such as radiation is low because of having for LCD, thin thickness and power consumption are low have been widely used in equipment such as computer monitor, notebook computer, PDA(Personal Digital Assistant), mobile phone and LCD TV.Because liquid crystal panel (panel) is non-luminiferous display unit, therefore for reaching display effect, needing provides light source to realize Presentation Function, as backlight unit (or claiming module backlight) to liquid crystal panel.The function of backlight unit is to provide the area source that brightness is abundant and be evenly distributed to liquid crystal panel.
Referring to shown in Figure 1, backlight unit comprises LGP (LGP) 101, blooming group (optical sheet) 102, backboard (back cover) 103, glue frame (mold frame) 104 and lamp group (not shown).Glue frame 104 is used for fixing LGP 101, blooming group 102 and backboard 103.Liquid crystal panel 105 is positioned at blooming group 102 tops, and part contacts with glue frame 104.Liquid crystal panel 105 and backlight unit are fixing by chase (bezel) 106.Because the edge of liquid crystal panel 105 contacts with glue frame 104, the particle (particle) that in processes such as assembling, transportation, can produce a little (being glue frame 104 bits) because of rubbing.These particles can enter central display area by LGP 101 sides when being subjected to outside impact or vibrations, influence image quality.
For addressing this problem, prior art has increased boss (guide on glue frame 104, or claim to lead) 201, referring to shown in Figure 2, this boss 201 is between the side of the inner side edge of glue frame 104 and liquid crystal panel 105, and the place, four angles of liquid crystal panel 105 all contacts with boss 201, with the contact area of minimizing glue frame 104 and liquid crystal panel 105, thereby reduce the generation of particle, but still can produce particle.Prior art enters central display area in order to prevent particle, adhesive tape (rubber) 301 is set, referring to shown in Figure 3 between liquid crystal panel 105 and glue frame 104.Because the pasting by manually finishing of adhesive tape 301 for the success rate that guarantees to paste, must be left than high tolerance, the space (gap) between covering liquid crystal panel 105 and the glue frame 104 fully, this just causes adhesive tape 301 can't stop entering of particle fully.And pasting of adhesive tape 301 increased technological process and realized difficulty, reduced operating efficiency.
The utility model content
The utility model embodiment provides a kind of glue frame, backlight unit and LCD, is used to realize the discharge of foreign matter in the backlight unit, reduces the influence of foreign matter to liquid crystal panel 105 devices such as grade, improves display effect.
A kind of glue frame 104 that has boss 201:
Comprise through hole 403 and stop member 404 in the transverse area in the T font zone 402 of glue frame 104;
The inner outlet of through hole 403 is towards liquid crystal panel 105 and near boss 201, outer vent is towards the outside of glue frame 104 with respect to LGP;
Stop member (404) is positioned at through hole (403), and blocks the part outer vent of through hole (403).
Stop member (404) is the funnel type parts, and the major diameter outlet is consistent with the inner outlet direction of through hole (403), and the minor diameter outlet is consistent with the outer vent direction of through hole (403); Perhaps
Stop member (404) is the stripe shape parts, and the madial wall of these stripe shape parts and through hole (403) acutangulates, and the opening direction of acute angle is consistent with the outer vent direction of through hole (403).
Comprise two funnel type parts (404) in the transverse area in the T font zone (402) of glue frame (104), the bearing of trend of two funnel type parts (404) in a through hole (403) arranged in proper order; Perhaps
Comprise a plurality of stripe shape parts in the transverse area in the T font zone (402) of glue frame (104), not parallel between at least two stripe shape parts in a plurality of stripe shape parts.
The quantity of through hole 403 is consistent with the quantity of boss 201.
Also comprise raceway groove 405 in the transverse area in the T font zone 402 of glue frame 104, this raceway groove 405 is positioned at the below of boss 201, and communicates with through hole 403.
The width of raceway groove 405 is not less than the width of boss 201.
The material of glue frame 104 is plastics.
A kind of backlight unit comprises glue frame 104 as the aforementioned.
A kind of LCD comprises backlight unit as the aforementioned.
Through hole 403 is set on glue frame 104 among the utility model embodiment, fricative particle can be flowed out by this through hole 403,, improve display quality in order to avoid enter central display area.Preferable, at four jiaos of places one through hole 403 is set respectively with respect to liquid crystal panel 105, perhaps the quantity of through hole 403 is consistent with boss 201 quantity, promptly on each boss 201 next door through hole 403 is set all, is convenient to the smooth discharge of particle.In order to prevent the backflow of particle, stop member 404 is arranged in the through hole 403, preferable, two stop members 404 are arranged in each through hole 403, under the situation that does not influence the particle discharge substantially, the more effective backflow of particles that prevents.The utility model embodiment also is provided with raceway groove 405 on glue frame 104, be used for collecting granules, and guide particle into through hole 403.
Description of drawings
Fig. 1 is the partial cross-sectional side-elevation view of LCD in the prior art;
Fig. 2 is for having the schematic diagram of the LCD of boss 201 in the prior art;
Fig. 3 is for having the partial cross-sectional side-elevation view of the LCD of adhesive tape 301 in the prior art;
Fig. 4 A is the partial cross-sectional side-elevation view of backlight unit among the utility model embodiment;
Fig. 4 B is the partial cross-sectional side-elevation view of glue frame 104 among the utility model embodiment;
Fig. 5 is the schematic diagram that particle is discharged among the utility model embodiment;
Fig. 6 is for preventing the schematic diagram of backflow of particles among the utility model embodiment;
Fig. 7 is the schematic diagram of the LCD of band raceway groove 405 among the utility model embodiment.
The specific embodiment
Through hole 403 is set on glue frame 104 among the utility model embodiment, fricative particle can be flowed out by this through hole 403,, improve display quality in order to avoid enter central display area.
Referring to Fig. 4 A, backlight unit comprises LGP 101, blooming group 102, backboard 103, glue frame 104 and lamp group (not shown) in the present embodiment.
The bottom surface of LGP 101 is covered on the backboard 103.Blooming group 102 is positioned at exiting surface one side of LGP 101.The lamp group is positioned at the side edge of backboard 103.Glue frame 104 is centered around the side edge of LGP 101, blooming group 102 and backboard 103, is used for fixing LGP 101, blooming group 102 and backboard 103.
The material of glue frame 104 is plastics etc.
In order to reduce and the contacting of liquid crystal panel 105, and then reduce the generation of particle, glue frame 104 comprises boss 201.This boss 201 between the side of the inner side edge of glue frame 104 and liquid crystal panel 105, and with glue frame 104 one.For the ease of fixing and protection liquid crystal panel 105, the place, four angles of liquid crystal panel 105 all contacts with boss 201, and Fig. 2 only shows place's boss 201, and other boss 201 is not shown.
Referring to the sectional side view of the glue frame 104 shown in Fig. 4 B, glue frame 104 comprises L zone 401 and T font zone 402, and L zone 401 horizontal components overlap with the horizontal component in T font zone 402.The vertical component in T font zone 402 is inboard to be contacted with backboard 103 with LGP 101.The horizontal component in T font zone 402 is inboard to be contacted with blooming group 102.The inner side edge one in boss 201 and L zone 401, but do not contact with L zone 401 horizontal components.
Present embodiment is provided with through hole 403 and stop member 404 for the ease of discharging particle in the transverse area in the T of glue frame 104 font zone.The inner outlet of through hole 403 is towards liquid crystal panel 105 and near boss 201, and outer vent is towards the outside of glue frame 104 with respect to LGP 101, and promptly outer vent is towards the vertical component outside in T font zone 402.Stop member (404) is positioned at through hole (403), and blocks the part outer vent of through hole (403).Stop member (404) can have multiple structure, helps the discharge of particle, can also prevent that the particle of discharging from flowing back to glue frame 104 inboard getting final product, referring to Fig. 5 and shown in Figure 6.For example, stop member (404) is the funnel type parts, and the major diameter outlet is consistent with the inner outlet direction of through hole (403), and the minor diameter outlet is consistent with the outer vent direction of through hole (403).Preferable, comprise in the transverse area in the T font zone of glue frame 104 that 404, two funnel type parts 404 of two funnel type parts arrange in proper order at the bearing of trend of through hole 403.Under the situation that does not influence the particle discharge, stop the backflow of particle.If the quantity of funnel type parts 404 is too much, will increases considerably technology difficulty, and influence the discharge of particle.
Perhaps, stop member (404) is the stripe shape parts, and the madial wall of these stripe shape parts and through hole (403) acutangulates, and the opening direction of acute angle is consistent with the outer vent direction of through hole (403).Preferable, comprise a plurality of stripe shape parts in the transverse area in the T font zone (402) of glue frame (104), not parallel between at least two stripe shape parts in a plurality of stripe shape parts.
The formation of particle is because the friction of boss 201 and liquid crystal panel 105 so for more effective discharge particle, preferable mode is that the quantity of through hole 403 is consistent with the quantity of boss 201, promptly all is provided with a through hole 403 near each boss 201.The inner outlet of each through hole 403 is towards liquid crystal panel 105 and near boss 201, and outer vent is towards the outside of glue frame 104 with respect to LGP 101, and promptly outer vent is towards the vertical component outside in T font zone 402.
For the ease of collecting granules, and make particle flow to through hole 403 smoothly, present embodiment also is provided with raceway groove 405 in the transverse area in the T of glue frame 104 font zone, and referring to shown in Figure 7, this raceway groove 405 is positioned at the below of boss 201, and communicates with through hole 403.Preferable, the width of raceway groove 405 is not less than the width of boss 201.
The backlight unit that present embodiment provides can be applicable in the LCD.LCD comprises backlight unit and liquid crystal panel 105 at least.Liquid crystal panel 105 is positioned at the opposite side of blooming group 102 with respect to LGP 101.LCD in the present embodiment can be applied to equipment such as the display of LCD TV, computer and mobile phone.
Through hole 403 is set on glue frame 104 among the utility model embodiment, fricative particle can be flowed out by this through hole 403,, improve display quality in order to avoid enter central display area.Preferable, at four jiaos of places one through hole 403 is set respectively with respect to liquid crystal panel 105, perhaps the quantity of through hole 403 is consistent with boss 201 quantity, promptly on each boss 201 next door through hole 403 is set all, is convenient to the smooth discharge of particle.In order to prevent the backflow of particle, stop member 404 is arranged in the through hole 403, preferable, a plurality of stop members 404 are arranged in each through hole 403, under the situation that does not influence the particle discharge substantially, the more effective backflow of particles that prevents.The utility model embodiment also is provided with raceway groove 405 on glue frame 104, be used for collecting granules, and guide particle into through hole 403.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (9)
1. a glue frame has boss, it is characterized in that,
Comprise through hole (403) and stop member (404) in the transverse area in the T font zone (402) of glue frame (104);
The inner outlet of through hole (403) is towards liquid crystal panel (105) and near boss (201), outer vent is towards the outside of glue frame (104) with respect to LGP;
Stop member (404) is positioned at through hole (403), and blocks the part outer vent of through hole (403).
2. glue frame as claimed in claim 1 is characterized in that, stop member (404) is the funnel type parts, and the major diameter outlet is consistent with the inner outlet direction of through hole (403), and the minor diameter outlet is consistent with the outer vent direction of through hole (403); Perhaps
Stop member (404) is the stripe shape parts, and the madial wall of these stripe shape parts and through hole (403) acutangulates, and the opening direction of acute angle is consistent with the outer vent direction of through hole (403).
3. glue frame as claimed in claim 2 is characterized in that, comprises two funnel type parts (404) in the transverse area in the T font zone (402) of glue frame (104), and the bearing of trend of two funnel type parts (404) in a through hole (403) arranged in proper order; Perhaps
Comprise a plurality of stripe shape parts in the transverse area in the T font zone (402) of glue frame (104), not parallel between at least two stripe shape parts in a plurality of stripe shape parts.
4. glue frame as claimed in claim 1 is characterized in that, the quantity of through hole (403) is consistent with the quantity of boss (201).
5. as each described glue frame in the claim 1 to 4, it is characterized in that also comprise raceway groove (405) in the transverse area in the T font zone (402) of glue frame (104), this raceway groove (405) is positioned at the below of boss (201), and communicates with through hole (403).
6. glue frame as claimed in claim 5 (104) is characterized in that, the width of raceway groove (405) is not less than the width of boss (201).
7. glue frame as claimed in claim 1 is characterized in that, the material of glue frame (104) is plastics.
8. a backlight unit is characterized in that, comprises as each described glue frame (104) in the claim 1 to 7.
9. a LCD is characterized in that, comprises backlight unit as claimed in claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201606631U CN202082834U (en) | 2011-05-19 | 2011-05-19 | Mold frame, backlight source unit and liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201606631U CN202082834U (en) | 2011-05-19 | 2011-05-19 | Mold frame, backlight source unit and liquid crystal display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202082834U true CN202082834U (en) | 2011-12-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201606631U Expired - Lifetime CN202082834U (en) | 2011-05-19 | 2011-05-19 | Mold frame, backlight source unit and liquid crystal display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202082834U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798094A (en) * | 2012-04-25 | 2012-11-28 | 友达光电股份有限公司 | Rubber frame structure of backlight module and backlight module thereof |
-
2011
- 2011-05-19 CN CN2011201606631U patent/CN202082834U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798094A (en) * | 2012-04-25 | 2012-11-28 | 友达光电股份有限公司 | Rubber frame structure of backlight module and backlight module thereof |
| CN102798094B (en) * | 2012-04-25 | 2013-12-18 | 友达光电股份有限公司 | Rubber frame structure of backlight module and backlight module thereof |
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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 Photoelectricity Science & Technology Co., Ltd. Address before: 100176 Beijing city in Western Daxing District economic and Technological Development Zone, Road No. 8 Patentee before: Beijing BOE Photoelectricity Science & Technology Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20111221 |
|
| CX01 | Expiry of patent term |