CN200959039Y - Light guide plate, backlight module and liquid crystal display thereof - Google Patents
Light guide plate, backlight module and liquid crystal display thereof Download PDFInfo
- Publication number
- CN200959039Y CN200959039Y CN 200620013983 CN200620013983U CN200959039Y CN 200959039 Y CN200959039 Y CN 200959039Y CN 200620013983 CN200620013983 CN 200620013983 CN 200620013983 U CN200620013983 U CN 200620013983U CN 200959039 Y CN200959039 Y CN 200959039Y
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- Prior art keywords
- light source
- guide plate
- light
- light guide
- accommodating structure
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- 239000004973 liquid crystal related substance Substances 0.000 title claims description 22
- 239000000758 substrate Substances 0.000 claims description 16
- 230000010354 integration Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000011514 reflex Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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Abstract
The utility model discloses a light guide plate, it includes: the light guide plate comprises a light source accommodating structure and a light source, wherein the light source accommodating structure is used for accommodating a light source, is arranged close to the side surface and is used as a light incident surface for receiving the light incident from the light source. Because the utility model discloses an including the light source holding structure that can hold the light source in the light guide plate, consequently the light guide plate can become the integration with the light source to improve light source life. The utility model also provides an adopt backlight unit of above-mentioned light guide plate and LCD thereof.
Description
Technical field
The utility model relates to the flat-panel screens field, particularly a kind of light guide plate, adopts the module backlight and the LCD thereof of this light guide plate.
Background technology
At present, LCD (Liquid Crystal Display, LCD) because light, thin, reaction velocity is fast, display quality is good, advantage such as radiationless, is widely used in notebook, personal digital assistant, monitor etc.But, because liquid crystal itself does not have the characteristics of luminescence, therefore for reaching display effect, needing provides a planar light source device to display panels, as preceding optical mode group or module backlight, its function is to provide brightness fully and the panel source of illuminance distribution for display panels.
Please refer to Fig. 1, is a kind of liquid crystal display device structure synoptic diagram of prior art.This LCD 100 comprises liquid crystal panel 3 and the module backlight 5 that is oppositely arranged.This liquid crystal panel 3 comprise first substrate 31 and second substrate 33 that is oppositely arranged and be clipped in this first substrate 31 and second substrate 33 between liquid crystal layer 32.This module 5 backlight comprises light source 56, reflex housing 57 and the reflecting plate 51 that is cascading, light guide plate 52, diffuser plate 53, first prism plate 54 and second prism plate 55.This light source 56 is cold-cathode fluorescence lamp (Cold Cathode Fluorescent Lamps, CCFL), this light source 56 is positioned at the side of this light guide plate 52, coated by light source cover 67, this light source cover 67 is used for the light of light emitted is reflexed to light guide plate 52, this light guide plate 52 is used for guiding the direction of propagation of these light source 56 light, makes line source be converted into area source from these module 5 outgoing backlight, thereby provides even brightness light for this liquid crystal panel 3.
But, there is defective in above LCD 100, light source 56 is positioned at a side of light guide plate 52 in actual use, it does not have and light guide plate 52 becoming one, therefore be easy to damage light source 56 because of the friction between the element in use and transportation, the time of the actual use of light source 56 is shorter, needs often to change light source, so the reliability of light source is lower, thereby increase production cost.
The utility model content
The technical problems to be solved in the utility model provides a kind of light guide plate that is not easy to damage light source and improves the light source reliability with becoming one of light source, adopts the module backlight and the LCD thereof of this light guide plate.
A kind of light guide plate, it comprises: exiting surface and the side adjacent with this exiting surface, this exiting surface is used for the light that is incident to this light guide plate is dispersed from exiting surface, wherein, this light guide plate comprises that also a light source accommodating structure is used to hold light source, this light source accommodating structure closes on this side and is provided with, and it is as the light of incidence surface reception from light source incident.
First kind of improvement of the utility model light guide plate is: this light source accommodating structure is positioned on the exiting surface.
Second kind of improvement of the utility model light guide plate is: the integral body of this light source accommodating structure is linear, L shaped or U-shaped, is used to hold line source.
The third improvement of the utility model light guide plate is: the xsect of this light source accommodating structure is U-shaped or circle.
A kind of module backlight, it comprises: light guide plate and light source, this light guide plate comprises: exiting surface and the side adjacent with this exiting surface, this exiting surface is used for the light that is incident to this light guide plate is dispersed from exiting surface, wherein, this light guide plate comprises that also a light source accommodating structure is used to hold light source, and this light source accommodating structure closes on this side and is provided with, and it is as the light of incidence surface reception from light source incident.
First kind of improvement of the utility model module backlight is: this light source accommodating structure is positioned on the exiting surface.
Second kind of improvement of the utility model module backlight is: this light source accommodating structure shape matches with light source, and the xsect of this light source accommodating structure is U-shaped or circle.
A kind of LCD, it comprises: liquid crystal panel that is oppositely arranged and module backlight, this liquid crystal panel comprises first substrate and second substrate that is oppositely arranged and is clipped in liquid crystal layer between this first substrate and second substrate, this module backlight comprises light guide plate and light source, this light guide plate comprises exiting surface and the side adjacent with this exiting surface, this exiting surface is used for the light that is incident to this light guide plate is dispersed from exiting surface, it is characterized in that: this light guide plate also comprises a light source accommodating structure, this light source accommodating structure closes on this side and is provided with, this light source is positioned at this light source accommodating structure, and this light source accommodating structure is as the light of incidence surface reception from light source incident.
First kind of improvement of the utility model LCD is: this light source accommodating structure is positioned on the exiting surface.
Second kind of improvement of the utility model LCD is: this light source accommodating structure shape matches with light source, and the xsect of this light source accommodating structure is U-shaped or circle.
Compared to prior art, comprise the light source accommodating structure that can hold light source in the utility model light guide plate, module backlight and the LCD, therefore in use and transportation, can not damage light source because of the friction between the element, thereby can improve the reliability of light source, the integrated design of light source light guide plate can be enhanced productivity, and reduces production costs then.
Description of drawings
Fig. 1 is a kind of liquid crystal display device structure synoptic diagram of prior art.
Fig. 2 is the utility model liquid crystal display device structure synoptic diagram.
Fig. 3 is the structural representation of first kind of embodiment of light guide plate 502 among Fig. 2.
Fig. 4 is the structural representation of second kind of embodiment of light guide plate 502 among Fig. 2.
Fig. 5 is the structural representation of the third embodiment of light guide plate 502 among Fig. 2.
Fig. 6 is the structural representation of the 4th kind of embodiment of light guide plate 502 among Fig. 2.
Fig. 7 is the structural representation of the 5th kind of embodiment of light guide plate 502 among Fig. 2.
Fig. 8 is the structural representation of the 6th kind of embodiment of light guide plate 502 among Fig. 2.
Fig. 9 is the structural representation of the 7th kind of embodiment of light guide plate 502 among Fig. 2.
Embodiment
Below in conjunction with the drawings and specific embodiments, further specify the utility model.
Please refer to Fig. 2, is the utility model liquid crystal display device structure synoptic diagram.This LCD 200 comprises liquid crystal panel 30 and the module backlight 50 that is oppositely arranged.This liquid crystal panel 30 comprise first substrate 301 and second substrate 303 that is oppositely arranged and be clipped in this first substrate 301 and second substrate 303 between liquid crystal layer 302.This module 50 backlight comprises light source 506 and the reflecting plate 501, light guide plate 502, diffuser plate 503, first prism plate 504 and second prism plate 505 that are cascading.
This light guide plate 502 is light guide plate of taper structure, it comprise exiting surface 5021, with exiting surface 5021 opposed bottom surface 5022, side 5024 and a light source accommodating structure 5023 adjacent with exiting surface 5021.This light source accommodating structure 5023 is positioned on this exiting surface 5021 and closes on side 5024 and is provided with, and its xsect is used to hold light source 506 for the U-shaped groove structure, and this light source accommodating structure 5023 matches with this light source 506, and this light source 506 is cold-cathode fluorescence lamps.Be incident to this light guide plate 502 from the light of light source 506 emissions via this light source accommodating structure 5023, this light guide plate 502 is dispersed the back from exiting surface 5021 outgoing with the light of incident.This reflecting plate 501 is incident to the light reflected back light guide plate 502 of bottom surface 5022 of light guide plate 502 to avoid producing the light leak situation with part.The direct of travel that this diffuser plate 503 is used to improve from light guide plate 502 emergent lights makes equalizing light rays.This first prism plate 504 and second prism plate 505 are used to improve the course from the light of diffuser plate 503 outgoing, make from the vertical outgoing of light of diffuser plate 503 receptions and give this liquid crystal panel 30.Therefore, light source 506 is converted into behind the area source by these module 50 outgoing backlight from line source, thereby provides even brightness light for this liquid crystal panel 30.
Please refer to Fig. 3, is the structural representation of first kind of embodiment of light guide plate 502 among Fig. 2.This light source accommodating structure 5023 is positioned on this exiting surface 5021, and these light source accommodating structure 5023 integral body are linear, are used to hold the linear light source.Wherein, this light guide plate 502 is wedge types.
Please refer to Fig. 4, is the structural representation of second kind of embodiment of light guide plate 502 among Fig. 2.This light source accommodating structure 5023 is positioned on this exiting surface 5021, and these light source accommodating structure 5023 integral body are L shaped, are used to hold L shaped light source.Wherein, this light guide plate 502 is wedge types.
Please refer to Fig. 5, is the structural representation of the third embodiment of light guide plate 502 among Fig. 2.This light source accommodating structure 5023 is positioned on this exiting surface 5021, and this light source accommodating structure 5023 comprises two light source accommodating structure unit, is respectively linear.Wherein, this light guide plate is plate.
Please refer to Fig. 6, is the structural representation of the 4th kind of embodiment of light guide plate 502 among Fig. 2.This light source accommodating structure 5023 is positioned on this bottom surface 5022, and integral body is linear, is used to hold the linear light source.Wherein, this light guide plate 502 is wedge types.
Please refer to Fig. 7, is the structural representation of the 5th kind of embodiment of light guide plate 502 among Fig. 2.This light source accommodating structure 5023 is positioned on this bottom surface 5022, and integral body is L shaped, is used to hold L shaped light source.Wherein, this light guide plate 502 is wedge types.
Please refer to Fig. 8, is the structural representation of the 6th kind of embodiment of light guide plate 502 among Fig. 2.This light source accommodating structure 5023 is positioned on this bottom surface 5022, comprises two light source accommodating structure unit, is respectively linear.Wherein, this light guide plate is plate light guide plate.
Please refer to Fig. 9, is the structural representation of the 7th kind of embodiment of light guide plate 502 among Fig. 2.This light source accommodating structure 5023 is positioned on this exiting surface 5021, and this light source accommodating structure 5023 comprises a plurality of structural units, its for the some formation be used to hold pointolite, for example light emitting diode (Light Emitting Diode, LED).Wherein, this light guide plate 502 is wedge type light guide plate.
Compared with prior art, light guide plate 502 inside in the utility model LCD 200 comprise light source accommodating structure 5023, make light source 506 and light guide plate 502 becoming one, thereby make light source 506 more firm, be not easy to make light source to damage, improve light source serviceable life, and the utility model do not adopt reflex housing because of friction, therefore reduce production costs, enhance productivity.
More than LCD provided by the utility model is described in detail, used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.
Claims (10)
1. light guide plate, it comprises: exiting surface and the side adjacent with this exiting surface, this exiting surface is used for the light that is incident to this light guide plate is dispersed from exiting surface, it is characterized in that: this light guide plate comprises that also a light source accommodating structure is used to hold light source, this light source accommodating structure closes on this side and is provided with, and it is as the light of incidence surface reception from light source incident.
2. light guide plate as claimed in claim 1 is characterized in that: this light source accommodating structure is positioned on the exiting surface.
3. light guide plate as claimed in claim 1 or 2 is characterized in that: the integral body of this light source accommodating structure is linear, L shaped or U-shaped, is used to hold line source.
4. light guide plate as claimed in claim 1 is characterized in that: the xsect of this light source accommodating structure is U-shaped or circle.
5. module backlight, it comprises: light guide plate and light source, this light guide plate comprises: exiting surface and the side adjacent with this exiting surface, this exiting surface is used for the light that is incident to this light guide plate is dispersed from exiting surface, it is characterized in that: this light guide plate comprises that also a light source accommodating structure is used to hold light source, this light source accommodating structure closes on this side and is provided with, and it is as the light of incidence surface reception from light source incident.
6. module backlight as claimed in claim 5 is characterized in that: this light source accommodating structure is positioned on the exiting surface.
7. as claim 8,9 or 10 described modules backlight, it is characterized in that: this light source accommodating structure shape matches with light source, and the xsect of this light source accommodating structure is U-shaped or circle.
8. LCD, it comprises: liquid crystal panel that is oppositely arranged and module backlight, this liquid crystal panel comprises first substrate and second substrate that is oppositely arranged and is clipped in liquid crystal layer between this first substrate and second substrate, this module backlight comprises light guide plate and light source, this light guide plate comprises exiting surface and the side adjacent with this exiting surface, this exiting surface is used for the light that is incident to this light guide plate is dispersed from exiting surface, it is characterized in that: this light guide plate also comprises a light source accommodating structure, this light source accommodating structure closes on this side and is provided with, this light source is positioned at this light source accommodating structure, and this light source accommodating structure is as the light of incidence surface reception from light source incident.
9. LCD as claimed in claim 8 is characterized in that: this light source accommodating structure is positioned on the exiting surface.
10. LCD as claimed in claim 8 or 9, it is characterized in that: this light source accommodating structure shape matches with light source, and the xsect of this light source accommodating structure is U-shaped or circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620013983 CN200959039Y (en) | 2006-05-18 | 2006-05-18 | Light guide plate, backlight module and liquid crystal display thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620013983 CN200959039Y (en) | 2006-05-18 | 2006-05-18 | Light guide plate, backlight module and liquid crystal display thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200959039Y true CN200959039Y (en) | 2007-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620013983 Expired - Fee Related CN200959039Y (en) | 2006-05-18 | 2006-05-18 | Light guide plate, backlight module and liquid crystal display thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200959039Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103792726A (en) * | 2012-10-30 | 2014-05-14 | 联想(北京)有限公司 | Liquid crystal display device, liquid crystal display and electronic equipment |
| CN104238189A (en) * | 2014-09-10 | 2014-12-24 | 合肥鑫晟光电科技有限公司 | Backlight source and assembling method thereof, display panel and display device |
-
2006
- 2006-05-18 CN CN 200620013983 patent/CN200959039Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103792726A (en) * | 2012-10-30 | 2014-05-14 | 联想(北京)有限公司 | Liquid crystal display device, liquid crystal display and electronic equipment |
| CN104238189A (en) * | 2014-09-10 | 2014-12-24 | 合肥鑫晟光电科技有限公司 | Backlight source and assembling method thereof, display panel and display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071010 Termination date: 20110518 |