CN203298217U - Bearing structure of backlight module and liquid display device - Google Patents
Bearing structure of backlight module and liquid display device Download PDFInfo
- Publication number
- CN203298217U CN203298217U CN2013203113360U CN201320311336U CN203298217U CN 203298217 U CN203298217 U CN 203298217U CN 2013203113360 U CN2013203113360 U CN 2013203113360U CN 201320311336 U CN201320311336 U CN 201320311336U CN 203298217 U CN203298217 U CN 203298217U
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- China
- Prior art keywords
- backlight module
- light source
- bearing structure
- reflection lampshade
- liquid crystal
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Abstract
The utility model discloses a bearing structure of a backlight module and a liquid display device. The bearing structure of the backlight module comprises a backplane, and a reflector plate, a light guide plate and an optical membrane in the backlight module are sequentially stacked on the backplane. The bearing structure of the backlight module further comprises a reflection lampshade, a light source in the backlight module is attached to the lower surface of the backplane, the light source is arranged in the reflection lampshade, and light emitted by the light source is reflected to the light guide plate through the reflection lampshade. Due to the fact that the light source is attached to the lower surface of the backplane and the light emitted by the light source is reflected to the light guide plate by the reflection lampshade, the thickness of the light source will not affect the width of a frame of the liquid display device, and the bearing structure is favorable for obtaining a narrow frame. Moreover, after the light guide plate expands after suffering heat, the light guide plate will not make contact with the light source, and light source damage caused by expansion of the light guide plate is effectively avoided.
Description
Technical field
The utility model relates to technical field of liquid crystal display, particularly the bearing structure of backlight module and liquid crystal indicator.
Background technology
Along with the progress of lcd technology, liquid crystal indicator is towards the slimming future development, and then also more and more higher to the dimensional requirement of its liquid crystal indicator, and the particularly realization of single-sided illumination formula backlight module, further reduce the thickness of liquid crystal indicator.
The bearing structure of existing backlight module as shown in Figure 1, former frame 110 inside are provided with for the glue frame 130 of placing liquid crystal panel 120, glue frame 130 inboards are provided with backboard 140, be pasted with radiator 150 on the sidewall of backboard 140, light source 160 is attached on radiator 150, has also stacked successively reflector plate 170, LGP 180 and blooming piece 190 on backboard 140.For fear of LGP 180 because of expanded by heating conflict light source 160, leave larger space between LGP 180 and light source 160, increased the width of the bearing structure of backlight module, simultaneously, the thickness of radiator 150 also is unfavorable for realizing the liquid crystal indicator of narrow frame.
The utility model content
Main purpose of the present utility model is for providing a kind of bearing structure and liquid crystal indicator that significantly reduces the backlight module of border width.
The utility model proposes a kind of bearing structure of backlight module, comprise backboard, reflector plate in backlight module, LGP and blooming piece are stacked on described backboard successively, also comprise reflection lampshade, light source in described backlight module is attached at described backboard lower surface, and described light source is located in described reflection lampshade, and the light reflection that described reflection lampshade penetrates described light source is to described LGP.
Preferably, described reflection lampshade comprises the first reflecting part that is positioned at described LGP one side, and described the first reflecting part comprises at least one bending angle.
Preferably, the angle of described bending angle is less than 180 degree.
Preferably, described reflection lampshade also comprises the second reflecting part that is positioned at described light source below, and an end of described the second reflecting part and an end of described the first reflecting part join.
Preferably, the bearing structure of described backlight module, also comprise radiator, and described radiator is attached at described backboard lower surface, and a side laminating of described reflection lampshade dorsad in described radiator one side and described light source.
Preferably, described reflection lampshade is U-shaped groove, and described light source is arranged in described groove.
Preferably, the bearing structure of described backlight module, also comprise front frame, in described reflection lampshade dorsad a side of described LGP near described front frame inwall.
Preferably, the bearing structure of described backlight module, also comprise the glue frame in order to bearing liquid crystal display panel one side, and in described glue frame, a side of described liquid crystal panel is near described front frame inwall dorsad, and described reflection lampshade is positioned at described glue frame below.
Preferably, described light source is RGB three-color LED or white light LEDs.
The utility model also proposes a kind of liquid crystal indicator, comprise liquid crystal panel and backlight module, the bearing structure that also comprises backlight module, the bearing structure of described backlight module, comprise backboard, reflector plate in backlight module, LGP and blooming piece are stacked on described backboard successively, also comprise reflection lampshade, light source in described backlight module is attached at described backboard lower surface, and described light source is located in described reflection lampshade, and the light reflection that described reflection lampshade penetrates described light source is to described LGP.
The utility model is attached at the backboard lower surface with light source, rather than be arranged at a side of LGP, the light reflection that light source is penetrated by reflection lampshade is to LGP, light source thickness can not have influence on the border width of liquid crystal indicator, be conducive to the realization of narrow frame liquid crystal indicator, and LGP is after expanded by heating, and the LGP light source of can not conflicting, effectively avoided LGP to expand and damaged light source.
Description of drawings
Fig. 1 is the structural representation of the bearing structure of existing backlight module;
Fig. 2 is the structural representation of the first embodiment of the bearing structure of the utility model backlight module;
Fig. 3 is the structural representation of the second embodiment of the bearing structure of the utility model backlight module.
The realization of the utility model purpose, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
The specific embodiment
Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 2, Fig. 2 is the structural representation of the first embodiment of the bearing structure of the utility model backlight module.The bearing structure of the backlight module that this embodiment proposes, comprise front frame 210, glue frame 220, backboard 230, radiator 240 and reflection lampshade 250, wherein, glue frame 220 is in order to bearing liquid crystal display panel 301 1 sides, in glue frame 220 dorsad a side of liquid crystal panel 300 near front frame 210 inwalls, reflector plate 410 in backlight module, LGP 420 and blooming piece 430 are stacked on backboard 230 successively, and the light source 440 in backlight module is attached at backboard 230 lower surfaces.Reflection lampshade 250 is positioned at glue frame 220 side-lowers, light source 440 is located in reflection lampshade 250, one reflecting surface of reflection lampshade 250 is towards light source 440 1 sides, another reflecting surface of reflection lampshade 250 is towards LGP 420 1 sides, in reflection lampshade 250 side of face away from light guide 420 is near front frame 210 inwalls, and the light reflection that reflection lampshade 250 penetrates light source 440 is to LGP 420.
The concrete structure of reflection lampshade 250 is as follows, and reflection lampshade 250 comprises that the first reflecting part 251, the first reflecting parts 251 that are positioned at LGP 420 1 sides comprise at least one bending angle, and the angle of bending angle A is less than 180 degree.One reflecting surface of the first reflecting part 251 receives the light that light source 440 penetrates, and after Multi reflection, final reverberation is penetrated from another reflecting surface of the first reflecting part 251, makes final reverberation arrive LGP 420.First reflecting part 251 of the present embodiment has only adopted a bending angle, and the angle of bending angle A is 90 degree, can be with the light reflection of light source 440 ejaculations to LGP 420 through two secondary reflections.In addition, can an above bending angle be set according to actual conditions, the angle of bending angle also can be established according to actual needs, this is not restricted herein, when the quantity of bending angle is abundant, the smooth-out arcwall face of reflecting surface of reflection lampshade 250 inboards, the shape of reflection lampshade 250 can be U-shaped groove, and this moment, light source 440 was arranged in groove.Because the present embodiment is attached at backboard 230 lower surfaces with light source 440, rather than be arranged at a side of LGP 420, light source 440 thickness can not have influence on the border width of liquid crystal indicator, are conducive to the realization of narrow frame liquid crystal indicator.Simultaneously, LGP 420 is after expanded by heating, and LGP 420 light source 440 of can not conflicting, effectively avoided LGP 420 expand and damage light source 440.In addition; reflection lampshade 250 also comprises the second reflecting part 252 that is positioned at light source 440 belows; one end of one end of the second reflecting part 252 and the first reflecting part 251 joins; on the one hand; the second reflecting part 252 can play the effect identical with backboard 230, blocks and protect the internal structure of light source 440 and liquid crystal indicator, on the other hand; also can make the inner surface (side relative with LED440) of the second reflecting part 252 also be made as reflecting surface, be conducive to improve backlight intensity.If light source 440 is adopted RGB three-color LED or white light LEDs, adopt reflection lampshade 250 structures in the present embodiment that enough mixed light spaces can also be provided, can regulate arbitrarily the light mixing distance of RGB three-color LED or white light LEDs.
In addition, radiator 240 also is attached at backboard 230 lower surfaces, and in radiator 240 1 sides and light source 440, a side of back-reflection lampshade 250 is fitted.Thus, the thickness of radiator 240 also can not have influence on the border width of liquid crystal indicator, is conducive to the realization of narrow frame liquid crystal indicator.Simultaneously, radiator 240 is exposed to backboard 230 outsides, more be conducive to light source 440 heat radiations, and the size of radiator 240 also can not be subject to the restriction of liquid crystal indicator inner space.
As shown in Figure 3, Fig. 3 is the structural representation of the second embodiment of the bearing structure of the utility model backlight module.The present embodiment and difference embodiment illustrated in fig. 1 be, in reflection lampshade 250, the first reflecting part 251 has adopted two bending angles, and the angle of bending angle A is 135 degree.According to liquid crystal indicator internal structure and inner space size, can also arbitrarily adjust quantity and the angle of bending angle in the first reflecting part 251, the flexible structure of reflection lampshade 250 is adjustable, further is conducive to the realization of narrow frame liquid crystal indicator.
The utility model embodiment also proposes a kind of liquid crystal indicator, comprise liquid crystal panel and backlight module, the bearing structure that also comprises backlight module, the bearing structure of backlight module, comprise backboard, and the reflector plate in backlight module, LGP and blooming piece are stacked on backboard successively, also comprise reflection lampshade, light source in backlight module is attached at the backboard lower surface, and light source is located in reflection lampshade, and the light reflection that reflection lampshade penetrates light source is to LGP.
The bearing structure of the backlight module that the liquid crystal indicator in the present embodiment adopts can with reference to Fig. 2 and embodiment illustrated in fig. 3 in all technical schemes, its concrete structure and operation principle, with reference to above-described embodiment, are not done and are repeated at this.Liquid crystal indicator in the present embodiment is compared to traditional liquid crystal indicator, the border width of liquid crystal indicator can not be subject to the impact of light source or radiator, be conducive to the realization of narrow frame liquid crystal indicator, and LGP is after expanded by heating, the LGP light source of can not conflicting, effectively avoided LGP to expand and damaged light source.
These are only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present utility model.
Claims (10)
1. the bearing structure of a backlight module, comprise backboard, reflector plate in backlight module, LGP and blooming piece are stacked on described backboard successively, it is characterized in that, also comprise reflection lampshade, light source in described backlight module is attached at described backboard lower surface, and described light source is located in described reflection lampshade, and the light reflection that described reflection lampshade penetrates described light source is to described LGP.
2. the bearing structure of backlight module according to claim 1, is characterized in that, described reflection lampshade comprises the first reflecting part that is positioned at described LGP one side, and described the first reflecting part comprises at least one bending angle.
3. the bearing structure of backlight module according to claim 2, is characterized in that, the angle of described bending angle is less than 180 degree.
4. the bearing structure of backlight module according to claim 2, is characterized in that, described reflection lampshade also comprises the second reflecting part that is positioned at described light source below, and an end of described the second reflecting part and an end of described the first reflecting part join.
5. the bearing structure of backlight module according to claim 1, is characterized in that, also comprises radiator, and described radiator is attached at described backboard lower surface, and a side laminating of described reflection lampshade dorsad in described radiator one side and described light source.
6. the bearing structure of backlight module according to claim 1, is characterized in that, described reflection lampshade is U-shaped groove, and described light source is arranged in described groove.
7. the bearing structure of the described backlight module of according to claim 1 to 6 any one, is characterized in that, also comprises front frame, in described reflection lampshade dorsad a side of described LGP near described front frame inwall.
8. the bearing structure of backlight module according to claim 7, it is characterized in that, also comprise the glue frame in order to bearing liquid crystal display panel one side, in described glue frame, a side of described liquid crystal panel is near described front frame inwall dorsad, and described reflection lampshade is positioned at described glue frame below.
9. the bearing structure of backlight module according to claim 7, is characterized in that, described light source is RGB three-color LED or white light LEDs.
10. a liquid crystal indicator, comprise liquid crystal panel and backlight module, it is characterized in that, also comprises the bearing structure as the described backlight module of claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203113360U CN203298217U (en) | 2013-05-31 | 2013-05-31 | Bearing structure of backlight module and liquid display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203113360U CN203298217U (en) | 2013-05-31 | 2013-05-31 | Bearing structure of backlight module and liquid display device |
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| Publication Number | Publication Date |
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| CN203298217U true CN203298217U (en) | 2013-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013203113360U Expired - Lifetime CN203298217U (en) | 2013-05-31 | 2013-05-31 | Bearing structure of backlight module and liquid display device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI648578B (en) * | 2017-12-29 | 2019-01-21 | 揚昇照明股份有限公司 | monitor |
| CN109683398A (en) * | 2019-02-22 | 2019-04-26 | 惠州市华星光电技术有限公司 | Backlight module and display device |
| CN112578591A (en) * | 2019-09-29 | 2021-03-30 | 高创(苏州)电子有限公司 | Reflector plate and backlight module |
| CN114200715A (en) * | 2021-12-13 | 2022-03-18 | 武汉华星光电技术有限公司 | Backlight module and display panel |
| US11982829B2 (en) | 2021-12-13 | 2024-05-14 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Backlight module and display panel |
-
2013
- 2013-05-31 CN CN2013203113360U patent/CN203298217U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI648578B (en) * | 2017-12-29 | 2019-01-21 | 揚昇照明股份有限公司 | monitor |
| US10634841B2 (en) | 2017-12-29 | 2020-04-28 | Coretronic Corporation | Display with movable support of light guide plate |
| CN109683398A (en) * | 2019-02-22 | 2019-04-26 | 惠州市华星光电技术有限公司 | Backlight module and display device |
| CN112578591A (en) * | 2019-09-29 | 2021-03-30 | 高创(苏州)电子有限公司 | Reflector plate and backlight module |
| CN112578591B (en) * | 2019-09-29 | 2024-06-04 | 高创(苏州)电子有限公司 | Reflecting sheet and backlight module |
| CN114200715A (en) * | 2021-12-13 | 2022-03-18 | 武汉华星光电技术有限公司 | Backlight module and display panel |
| US11982829B2 (en) | 2021-12-13 | 2024-05-14 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Backlight module and display panel |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131120 |