CN204882925U - Light guiding board and backlight module - Google Patents
Light guiding board and backlight module Download PDFInfo
- Publication number
- CN204882925U CN204882925U CN201520605434.4U CN201520605434U CN204882925U CN 204882925 U CN204882925 U CN 204882925U CN 201520605434 U CN201520605434 U CN 201520605434U CN 204882925 U CN204882925 U CN 204882925U
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- Prior art keywords
- guide plate
- light guide
- breach
- layer
- ground floor
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Abstract
The utility model discloses a light guide plate and backlight unit, design the bilateral structure that constitutes by the first layer and the second floor with the income light side of light guide plate, be equipped with a plurality of breachs on the second floor, the first layer corresponds the breach and is equipped with a plurality of archs, light guide plate setting between the corresponding every double -phase neighbour's of LED lamp of backlight subassembly the breach, the backlight subassembly sends the light that comes and presents a face to get into from getting into the light guide plate between this two breach, improved in the prior art ramp type light guide plate, light gets into light guide plate time type and presents the hemisphere type, the dark space on the light guide plate is favorable to improving, loss with more effective land used application of light energy and reduction light energy, under the same condition, compare the light guide plate in ramp type, luminance can improve about 20%, the adoption is the comb -shaped double faced adhesive tape backlight subassembly that bonds, and the broach is kept away from comb somatic part end block and in the breach, is utilized this structure can realize preventing slow -witted effect, both can improve equipment speed, improves production efficiency, can guarantee the product quality again.
Description
Technical field
The utility model relates to technical field of liquid crystal display, particularly relates to a kind of light guide plate and applies the backlight module of this light guide plate.
Background technology
Liquid crystal indicator (LCD, LiquidCrystalDisplay) has that fuselage is thin, power saving, the many merits such as radiationless, be widely used.Liquid crystal indicator major part on existing market is backlight liquid crystal indicator, and it comprises liquid crystal panel and backlight module (backlightmodule).The principle of work of liquid crystal panel places liquid crystal molecule in the middle of the glass substrate that two panels is parallel, changes direction, the light refraction of backlight module is out produced picture by whether being energized to control liquid crystal molecule to glass substrate.Because liquid crystal panel itself is not luminous, the light source provided by backlight module is needed to carry out normal show image, therefore, one of backlight module key component becoming liquid crystal indicator.
Backlight module is generally main to be comprised: backboard, reflector plate, light guide plate, optical diaphragm group, backlight etc.At present, light guide plate 100 light inlet of backlight module is on the market all adopt ramp designs, and as shown in Figure 1, such product can solve general demand, is difficult to effectively produce effect that is guide-lighting and optically focused best, thus causes the loss of luminous energy.Under same configuration, adopting the backlight module brightness of this structure light guide plate 100 the highest is 12500nits, is difficult to meet the trend of people to the demand of high brightness product and current product giant-screen mobile phone development.Moreover, in prior art, in order to improving product effect, rated current often by improving backlight draws high the brightness of product, and this just not only easily causes backlight module (mobile phone) high temperature, also increases power consumption, shorten stand-by time, particularly now the function of smart mobile phone gets more and more, and quite a lot of part has been high power consumption, has not had unnecessary energy redistribution to use to backlight.
In addition, incorporated by reference to consulting Fig. 1 and Fig. 2, light guide plate 100 and backlight, after assembling, the light guide plate 100 between the LED 200 of backlight and LED 200 easily produces dark space 300.In order to sort this problem out, be all generally that the energy of loss light is to overcome visual effect.
Therefore, prior art existing defects, needs to improve.
Utility model content
The purpose of this utility model overcomes the deficiencies in the prior art, provides a kind of light guide plate and apply the backlight module of this light guide plate, with under the prerequisite not increasing power consumption and thermal value, and the brightness of improving product.
The technical solution of the utility model is as follows: the utility model provides a kind of light guide plate, comprise light guide plate main body and incident side, described incident side is bilateral structure, its second layer specifically comprising ground floor and be formed on described ground floor, the described second layer is provided with some breach, some breach on the corresponding described second layer of described ground floor are provided with some projections, and the light guide plate between the corresponding every two adjacent breach of the LED of backlight assembly is arranged.
Described ground floor and the second layer stretch out by light guide plate main body and are formed, and the length that described ground floor extends is greater than the length that the second layer extends.
Described breach is isosceles trapezoid shape.
The rectangular shape of described projection.
The utility model also provides a kind of backlight module, comprise: backboard, be located at the reflector plate in described backboard, be located at the light guide plate on described reflector plate, the optical diaphragm group be located at the backlight assembly in described light guide plate and be located in described light guide plate, described light guide plate comprises light guide plate main body and incident side, described incident side is bilateral structure, its second layer specifically comprising ground floor and be formed on described ground floor, the described second layer is provided with some breach, some breach on the corresponding described second layer of described ground floor are provided with some projections, light guide plate between the corresponding every two adjacent breach of the LED of described backlight assembly is arranged.
Described ground floor and the second layer stretch out by light guide plate main body and are formed, and the length that described ground floor extends is greater than the length that the second layer extends.
Described breach is isosceles trapezoid shape.
The rectangular shape of described projection.
Described backlight assembly comprises: flexible circuit board, the double faced adhesive tape being welded in the some LED in described flexible circuit board and described flexible circuit board and light guide plate being fitted, described double faced adhesive tape is pectination, and described double faced adhesive tape comprises: comb body portion and the some comb be located in described comb body portion.
Described some comb equidistantly distribute, and described comb is arranged away from the shape of the corresponding described breach of shape of comb body end.
Adopt such scheme, the light guide plate that the utility model provides, the incident side of light guide plate is designed to the bilateral structure be made up of ground floor and the second layer, the second layer is provided with some breach, some breach on the corresponding second layer of ground floor are provided with some projections, light guide plate between the corresponding every two adjacent breach of the LED of backlight assembly is arranged, the light that backlight assembly sends is present a face to enter from entering light guide plate between this two breach, improve in prior art ramp type light guide plate, when light enters light guide plate, light type presents dome-type, be conducive to the dark space of improving in light guide plate, more effective for luminous energy land used is used and reduces the loss of luminous energy, under equal conditions, compared to ramp type light guide plate, brightness can improve about 20%, the backlight module that the utility model provides, applying above-mentioned light guide plate can improve outside the brightness of product well, its double faced adhesive tape adopted is pectination, comb is sticked in the breach on the light guide plate second layer away from comb body end, utilize this structure can realize fool proof effect, both can improve equipment speed, enhance productivity, can product quality be ensured again.
Accompanying drawing explanation
Fig. 1 is the structural representation of light guide plate in prior art.
Fig. 2 is the schematic diagram producing dark space in prior art.
Fig. 3 is the structural representation of the utility model light guide plate.
Fig. 4 is the enlarged drawing at A place in Fig. 3.
Fig. 5 is the structural representation that in the utility model backlight module, light guide plate coordinates with backlight assembly.
Fig. 6 is the enlarged drawing at B place in Fig. 5.
Fig. 7 is the explosive view that in the utility model, double faced adhesive tape matches with lamp bar.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Refer to Fig. 3 and Fig. 4, the utility model provides a kind of light guide plate 2, comprises light guide plate main body 22 and incident side 24, and described incident side 24 is in bilateral structure, and it specifically comprises ground floor 26 and is formed at the second layer 28 on described ground floor 26.The described second layer 28 is provided with some breach 25, some breach 25 on the corresponding described second layer 28 of described ground floor 26 are provided with some protruding 27, light guide plate 2 between the corresponding every two adjacent breach 25 of the LED of backlight assembly is arranged, like this, the light that backlight assembly sends is present a face to enter from entering light guide plate main body 22 between this two breach 25, improve in prior art ramp type light guide plate, when light enters light guide plate, light type presents dome-type, be conducive to the dark space of improving in light guide plate, more effective for luminous energy land used is used and reduces the loss of luminous energy, under equal conditions, compared to ramp type light guide plate, brightness can improve about 20%.
Described ground floor 26 is one-body molded with the second layer 28 and described light guide plate main body 22, and preferably, described ground floor 26 stretches out by light guide plate main body 22 with the second layer 28 and formed, and the length that described ground floor 26 extends is greater than the length that the second layer 28 extends.It should be noted that in the present embodiment, described breach 25 is isosceles trapezoid shape, described protruding 27 rectangular shapes.
In addition, it is worth mentioning that: by carrying out empty avoiding design in light guide plate 2 incident side 24, breach 25 is set, when adopting double faced adhesive tape to fix backlight assembly, the waste of thickness can be reduced, while reduction thickness, increase bond area, bonding is more firm, and allows backlight assembly try one's best light guide plate.
Please refer to the drawing 3 to Fig. 6, the utility model also provides a kind of backlight module, comprise: backboard, the reflector plate be located in described backboard, the light guide plate 2 be located on described reflector plate, the optical diaphragm group be located at the backlight assembly 4 in described light guide plate 2 and be located in described light guide plate 2, described light guide plate 2 comprises light guide plate main body 22 and incident side 24, described incident side 24 is in bilateral structure, and it specifically comprises ground floor 26 and is formed at the second layer 28 on described ground floor 26.The described second layer 28 is provided with some breach 25, and the some breach 25 on the corresponding described second layer 28 of described ground floor 26 are provided with some protruding 27, and the light guide plate 2 between the corresponding every two adjacent breach 25 of the LED 44 of described backlight assembly 4 is arranged.Like this, the light that backlight assembly 4 sends is present a face to enter from entering light guide plate 2 between this two breach 25, to improve in prior art in ramp type light guide plate, when light enters light guide plate, light type presents dome-type, be conducive to the dark space of improving in light guide plate, more effective for luminous energy land used used and reduces the loss of luminous energy, under equal conditions, compared to ramp type light guide plate, brightness can improve about 20%.
Described ground floor 26 is one-body molded with the second layer 28 and described light guide plate main body 22, and preferably, described ground floor 26 stretches out by light guide plate main body 22 with the second layer 28 and formed, and the length that described ground floor 26 extends is greater than the length that the second layer 28 extends.It should be noted that in the present embodiment, described breach 25 is isosceles trapezoid shape, described protruding 27 rectangular shapes.
Refer to Fig. 7, described backlight assembly 4 comprises: flexible circuit board 42, the double faced adhesive tape 46 being welded in the some LED 44 in described flexible circuit board 42 and described flexible circuit board 42 being fitted with light guide plate 2.Described double faced adhesive tape 46 is in pectination, and described double faced adhesive tape 46 comprises: comb body portion 62 and the some comb 64 be located in described comb body portion 62.The utility model adopts double faced adhesive tape 46 to carry out clearance position design, in pectination, reduces thickness increase and sticks area, and allows luminous energy try one's best importing light guide plate 2, is conducive to promoting backlight module brightness, reduces the waste of thickness.Preferably, described some comb 64 equidistantly distribute, and described comb 64 is arranged away from the shape of the corresponding described breach 25 of shape of comb body end 66, is also specifically isosceles trapezoid shape.When flexible lamp strip is affixed in light guide plate 2 by double faced adhesive tape 46, comb 64 is sticked in the breach 25 on light guide plate 2 second layer 28 away from comb body end 66, utilizes this structure can realize fool proof effect, both can improve equipment speed, enhance productivity, can product quality be ensured again.
In sum, the light guide plate that the utility model provides, the incident side of light guide plate is designed to the bilateral structure be made up of ground floor and the second layer, the second layer is provided with some breach, some breach on the corresponding second layer of ground floor are provided with some projections, light guide plate between the corresponding every two adjacent breach of the LED of backlight assembly is arranged, the light that backlight assembly sends is present a face to enter from entering light guide plate between this two breach, improve in prior art ramp type light guide plate, when light enters light guide plate, light type presents dome-type, be conducive to the dark space of improving in light guide plate, more effective for luminous energy land used is used and reduces the loss of luminous energy, under equal conditions, compared to ramp type light guide plate, brightness can improve about 20%, the backlight module that the utility model provides, applying above-mentioned light guide plate can improve outside the brightness of product well, its double faced adhesive tape adopted is pectination, comb is sticked in the breach on the light guide plate second layer away from comb body end, utilize this structure can realize fool proof effect, both can improve equipment speed, enhance productivity, can product quality be ensured again.
These are only preferred embodiment of the present utility model, be not limited to the utility model, all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a light guide plate, it is characterized in that, comprise light guide plate main body and incident side, described incident side is bilateral structure, its second layer specifically comprising ground floor and be formed on described ground floor, the described second layer is provided with some breach, and the some breach on the corresponding described second layer of described ground floor are provided with some projections, and the light guide plate between the corresponding every two adjacent breach of the LED of backlight assembly is arranged.
2. light guide plate according to claim 1, is characterized in that, described ground floor and the second layer stretch out by light guide plate main body and formed, and the length that described ground floor extends is greater than the length that the second layer extends.
3. light guide plate according to claim 1, is characterized in that, described breach is isosceles trapezoid shape.
4. light guide plate according to claim 1, is characterized in that, the rectangular shape of described projection.
5. a backlight module, it is characterized in that, comprise: backboard, be located at the reflector plate in described backboard, be located at the light guide plate on described reflector plate, the optical diaphragm group be located at the backlight assembly in described light guide plate and be located in described light guide plate, described light guide plate comprises light guide plate main body and incident side, described incident side is bilateral structure, its second layer specifically comprising ground floor and be formed on described ground floor, the described second layer is provided with some breach, some breach on the corresponding described second layer of described ground floor are provided with some projections, light guide plate between the corresponding every two adjacent breach of the LED of described backlight assembly is arranged.
6. backlight module according to claim 5, is characterized in that, described ground floor and the second layer stretch out by light guide plate main body and formed, and the length that described ground floor extends is greater than the length that the second layer extends.
7. backlight module according to claim 5, is characterized in that, described breach is isosceles trapezoid shape.
8. backlight module according to claim 5, is characterized in that, the rectangular shape of described projection.
9. backlight module according to claim 5, it is characterized in that, described backlight assembly comprises: flexible circuit board, the double faced adhesive tape being welded in the some LED in described flexible circuit board and described flexible circuit board and light guide plate being fitted, described double faced adhesive tape is pectination, and described double faced adhesive tape comprises: comb body portion and the some comb be located in described comb body portion.
10. backlight module according to claim 9, is characterized in that, described some comb equidistantly distribute, and described comb is arranged away from the shape of the corresponding described breach of shape of comb body end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520605434.4U CN204882925U (en) | 2015-08-13 | 2015-08-13 | Light guiding board and backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520605434.4U CN204882925U (en) | 2015-08-13 | 2015-08-13 | Light guiding board and backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204882925U true CN204882925U (en) | 2015-12-16 |
Family
ID=54827284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520605434.4U Expired - Fee Related CN204882925U (en) | 2015-08-13 | 2015-08-13 | Light guiding board and backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204882925U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105005112A (en) * | 2015-08-13 | 2015-10-28 | 深圳科利盟电子有限公司 | Light guide plate and backlight module set adopting the same |
-
2015
- 2015-08-13 CN CN201520605434.4U patent/CN204882925U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105005112A (en) * | 2015-08-13 | 2015-10-28 | 深圳科利盟电子有限公司 | Light guide plate and backlight module set adopting the same |
| CN105005112B (en) * | 2015-08-13 | 2016-08-17 | 深圳科利盟电子有限公司 | Light guide plate and apply the backlight module of this light guide plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20160813 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |