CN200976055Y - Light conducting plate and backlight module - Google Patents
Light conducting plate and backlight module Download PDFInfo
- Publication number
- CN200976055Y CN200976055Y CN 200620156909 CN200620156909U CN200976055Y CN 200976055 Y CN200976055 Y CN 200976055Y CN 200620156909 CN200620156909 CN 200620156909 CN 200620156909 U CN200620156909 U CN 200620156909U CN 200976055 Y CN200976055 Y CN 200976055Y
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- guide plate
- light guide
- groove
- light
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Abstract
The utility model relates to a plurality of light-guiding plates and backlighting modules, comprising at least a light-into-surface which is used for receiving lights, a bottom surface which intersects to the light-into-surface, a light-out-surface which is opposite with the bottom surface. The light-out-surface or the bottom surface comprises the first and the second structures for regulating lights which are in the arrangement of specific angle. The first structures for regulating lights comprises a plurality of linear grooves, while the second structures for regulating lights a plurality of non-linear grooves, so as to make every light-out-surface and bottom surface comprise a plurality of structures for regulating lights, thus the shortcoming of unevenness of the brightness can be reduced and the luminance is increased.
Description
Technical field
The utility model relates to a kind of structure of light guide plate, aim to provide a kind of arbitrary face and be provided with the plural groups light modulation structure in exiting surface or bottom surface, improving the shortcoming of the bright dark inequality of light, and can promote briliancy, particularly be used in the light conducting plate structure of side-view light emitting device in the LCD.
Background technology
Generally be applied in the LCD of massaging device, can be according to the demand of actual design, and select to utilize the backlight module framework of straight-down negative or side-light type; As Figure 1A, shown in the B, be the structure of general side light type back light module, mainly by pointolite 11, light guide plate 12, plural number optics matrix 13 is formed, this light guide plate 12 comprises an incidence surface 121, one bottom surface 122 of intersecting with this incidence surface 121, an and exiting surface 123 relative with this bottom surface 122,11 of this pointolites are arranged at a side that should incidence surface 121, and the light that sends of acceptance point light source 11, the light reflection that its bottom surface 122 will import, scattering, formation is along the homodisperse scattered beam of all directions, this exiting surface 123 should be derived light guide plate 12 by homodisperse light, and the guiding display panels is to reach the effect that display panels shows.
Be respectively equipped with first on the bottom surface 122 of this light guide plate 12 and the exiting surface 123, two groups of V-grooves 141,142, this is first years old, two groups of V-grooves 141,142 become X respectively, the Y direction is arranged, for example be located at 141 one-tenth homeotropic alignments of first group of V-groove of bottom surface 122 and have angle, second group of V-groove 142 of exiting surface 123 then forms horizontal and has angle, allow the light that directly advances of pointolite 11 incidents convert to after the vertical plane light, pass through first of light guide plate 12 plate faces again through light guide plate 11, two groups of V-grooves 141,142 make light at X, Y direction light harvesting is also adjusted the divergence of beam angle; Yet this bottom surface 122 and exiting surface 123 all are provided with V-groove simultaneously, do not have the space that other light modulation structure is set again.
The utility model content
In view of this, the utility model is to provide a kind of arbitrary face in exiting surface or bottom surface to be provided with the plural groups light modulation structure, make another surface that the light modulation structure of other form can be set, and can improve the light conducting plate structure improvement that the bright dark inequality of light also can promote briliancy.
The solution of the utility model light guide plate and backlight module, this light guide plate include at least one in order to the incidence surface of accepting to go into to establish light, one with crossing bottom surface and the exiting surface relative of this incidence surface with this bottom surface; Wherein, this exiting surface or bottom surface are provided with first and second group light modulation structure of arranging with special angle, its first group of light modulation structure comprises plural straight-line groove, second group of light modulation structure then includes plural non-rectilinear groove, make arbitrary face of exiting surface or bottom surface be provided with the plural groups light modulation structure, improving the shortcoming of the bright dark inequality of light, and can promote briliancy.
The beneficial effects of the utility model are: can obtain a kind of arbitrary face in exiting surface or bottom surface and be provided with the plural groups light modulation structure, to improve the shortcoming of the bright dark inequality of light, and can promote briliancy, particularly be used in the light conducting plate structure of side-view light emitting device in the LCD.
Description of drawings
Figure 1A is the structural representation of general backlight module;
Figure 1B is a structural perspective of commonly using light guide plate;
Fig. 2 A, B are the structural perspective of light guide plate first embodiment in the utility model;
Fig. 3 is the structural perspective of light guide plate second embodiment in the utility model;
Fig. 4 is the structural perspective of light guide plate the 3rd embodiment in the utility model;
Fig. 5 is the structural perspective of light guide plate the 4th embodiment in the utility model;
Fig. 6 A, B are the structural perspective of light guide plate the 5th embodiment in the utility model;
Fig. 7 A, B, C, D are the structural representation of light guide plate the 6th embodiment in the utility model;
Fig. 8 is the structural representation of light guide plate the 7th embodiment in the utility model;
Fig. 9 is the structural representation of groove first embodiment in the utility model;
Figure 10 is the structural representation of groove second embodiment in the utility model;
Figure 11 A, B are the structural representation of groove the 3rd embodiment in the utility model;
Figure 12 is the structural representation of groove the 4th embodiment in the utility model;
Figure 13 is the structural perspective of light guide plate the 8th embodiment in the utility model.
[figure number explanation]
11 pointolites, 12 light guide plate
121 incidence surfaces, 122 bottom surfaces
123 exiting surfaces, 13 optics matrixs
142 second groups of V-grooves of 141 first groups of V-grooves
21 light guide plate, 211 incidence surfaces
212 bottom surfaces, 213 exiting surfaces
31 first groups of light modulation structures of 22 pointolites
32 second groups of light modulation structures of 311 straight-line grooves
321 non-rectilinear grooves, 33 first hypotenuses
34 second hypotenuses, 351 first angles
352 second angles 353 the 3rd angle
36 the 3rd groups of light modulation structure 361 concentric grooves
Embodiment
For the clear structure of the present utility model of your auditor is formed, and the overall operation mode, cooperate graphic being described as follows now:
The utility model light guide plate and backlight module, be primarily aimed at that light guide plate is improved in the side light type back light module framework, among first embodiment of its light guide plate 21 structures shown in Fig. 2 A, its light guide plate 21 includes an incidence surface 211 at least, one bottom surface 212 of intersecting with this incidence surface 211, an and exiting surface 213 relative with this bottom surface 212, and complex points light source 22 is arranged at a example that should incidence surface 211, its pointolite 22 can be light emitting diode, make light be able to inject from this incidence surface 211, exiting surface 213 by light guide plate 21 fronts penetrates again, to reach the effect that light source shows.
Focusing on of this case: this exiting surface or bottom surface are provided with first of special angle arrangement, two groups of light modulation structures, shown in the embodiment of Fig. 2 A, its exiting surface 213 is provided with first of homeotropic alignment, two groups of light modulation structures 31,32, its first group of light modulation structure 31 comprises plural straight-line groove 311 (can be V-groove), second group of light modulation structure 32 then includes plural non-rectilinear groove 321 (can be V-groove), can be provided with light modulation structure more than a kind of form by single exiting surface 213, make 212 light modulation structures that different types can be set in another bottom surface, to increase the light modulation effect, and then improve the shortcoming of the bright dark inequality of light, and can promote briliancy.
Wherein, the structure that is provided with of each straight line or non-rectilinear groove has following embodiment at least:
1, among first embodiment shown in Fig. 2 A, each straight line or non-rectilinear groove 311,321 are V-groove, has uniform distances between each groove, and have the same widths or the degree of depth between each groove, each straight-line groove 311 is parallel to the long limit X of light guide plate 21, and each non-rectilinear groove 321 is a shaped form, and the tangential angle of this curve is less, and be parallel to the long limit Y of light guide plate 21, and each straight line or non-rectilinear groove 311,321 uniform full exiting surfaces 213; Certainly, each straight line or non-rectilinear groove 311,321 also can be arranged at bottom surface 212, shown in Fig. 2 B.
2, among second embodiment as shown in Figure 3, each straight line or non-rectilinear groove 311,321 are V-groove, do not have spacing between each groove, and have the same widths or the degree of depth between each groove, each straight-line groove 311 is parallel to the long limit X of light guide plate 21, and each non-rectilinear groove 321 is a shaped form, and the tangential angle of this curve is bigger, and be parallel to the long limit Y of light guide plate 21, and each straight line or non-rectilinear groove 311,321 uniform full exiting surfaces 213.
3, among the 3rd embodiment as shown in Figure 4, each straight line or non-rectilinear groove 311,321 are V-groove, has uniform distances between each groove, and have the same widths or the degree of depth between each groove, each straight-line groove 311 is parallel to the long limit X of light guide plate 21, each non-rectilinear groove 321 is a sawtooth pattern, and the tangential angle of this curve is bigger, and be parallel to the long limit Y of light guide plate 21, and each straight-line groove 311 uniform full exiting surface 213, and each non-rectilinear groove 321 is arranged at part exiting surface 213 near pointolite 22 places.
4, among the 4th embodiment as shown in Figure 5, each straight line or non-rectilinear groove 311,321 are V-groove, has uniform distances between each groove, and have the same widths or the degree of depth between each groove, each straight-line groove 311 is parallel to the long limit Y of light guide plate 21, each non-rectilinear groove 321 is a shaped form, and is parallel to the long limit X of light guide plate 21, and each straight line or non-rectilinear groove 311,321 uniform full exiting surfaces 213.
5, among the 5th embodiment as shown in Figure 6A, each straight line or non-rectilinear groove 311,321 are V-groove, 311 of each straight-line grooves have uniform distances, each non-rectilinear groove 321 has gradually little spacing near pointolite 22 places, and have the same widths or the degree of depth between each groove, each straight-line groove 311 is parallel to the long limit X of light guide plate 21, each non-rectilinear groove 321 is a shaped form, and be parallel to the long limit Y of light guide plate 21, the crest A of its curve is over against pointolite 22, and each straight line or non-rectilinear groove 311,321 uniform full exiting surfaces 213; Certainly, each non-rectilinear groove 321 also can be sawtooth pattern, shown in Fig. 6 B.
6, among the 6th embodiment shown in Fig. 7 A, its pointolite 22 forms light inlet by arbitrary corner of light guide plate 21, and straight angle C is cut in this corner and formation, 311,321 of each straight-line groove and non-rectilinear grooves have uniform distances, each straight-line groove 311 is parallel to the long limit X of light guide plate 21, each non-rectilinear groove 321 is formed centrally the concentric circles arrangement in this pointolite 22 being, and each straight line or non-rectilinear groove 311,321 uniform full exiting surface or bottom surfaces 213,212; Certainly, the corner also forms circle of contact angle R, shown in Fig. 7 B; Certainly, each straight-line groove 311 can also pointolite 22 for the center is radial arrangement, shown in Fig. 7 C, D.
7, among the 7th embodiment as shown in Figure 8, its pointolite 22 forms light inlet by light guide plate incidence surface 211 centers, 311 of each straight-line grooves have uniform distances, each non-rectilinear groove 321 has gradually little spacing near pointolite 22 places, each straight-line groove 311 is parallel to the long limit X of light guide plate 21, each non-rectilinear groove 321 is formed centrally the concentric circles arrangement in this pointolite 22 being, and each straight line or non-rectilinear groove 311,321 uniform full exiting surfaces 213.
Moreover the structure of this V-groove also can be as shown in Figure 9, and 3 11,321 of each grooves have spacing P, and each spacing P formula in gradient changes; And the width W of each groove 311,321 or depth H formula in gradient change, as shown in figure 10; And each groove 311,321 has towards first and second hypotenuse 33,34 that tilts of different directions in opposite directions, shown in Figure 11 A, and first and second hypotenuse 33,34 and exiting surface 213 or bottom surface 212 are formed with first and second angle 351,352, and first and second hypotenuse 33,34 intersects formation the 3rd angle 353, its the 3rd angle 353 is between 90 degree are spent to 120, and the angle of first and second angle 351,352 is identical, or angle is inequality shown in Figure 11 B; Certainly, each straight line or non-rectilinear groove 311,321 also can be U type groove, as shown in figure 12.
In addition, this exiting surface or bottom surface also further are provided with one group of above light modulation structure, its light modulation structure and first, two groups of light modulation structures are arranged with special angle, among the 8th embodiment as shown in figure 13, it is provided with first in exiting surface 213, two, three groups of light modulation structures 31,32,36, it is first years old, three groups of light modulation structures 31,36 is straight-line groove 311,361, second group of light modulation structure 32 then is non-rectilinear groove 312, each straight line or non-rectilinear groove 311,321,361 is V-groove, has uniform distances between each groove, and have the same widths or the degree of depth between each groove, each straight-line groove 311 of first group of light modulation structure is parallel to the long limit X of light guide plate 21, each non-rectilinear groove 321 of second group of light modulation structure is a shaped form, and be parallel to the long limit Y of light guide plate 21, and each straight-line groove 311 of each straight-line groove 361 of the 3rd group of light modulation structure and first group of light modulation structure forms non-perpendicular arrangement, and each straight line or non-rectilinear groove 311,321,361 uniform full exiting surfaces 213.
As mentioned above, the utility model provides side light type back light module another preferable feasible light conducting plate structure, so offer the application of novel patent in accordance with the law; Yet, above implementation and graphic shown in, be the utility model preferred embodiment, be not to limit to the utility model with this, be with, approximate with structure of the present utility model, device, feature etc., identical such as, all should belong to of the present utility model founding within purpose and the claim.
Claims (26)
1, a kind of light guide plate, its light guide plate include at least one in order to the incidence surface of accepting to go into to establish light, one with crossing bottom surface and the exiting surface relative of this incidence surface with this bottom surface; It is characterized in that:
This exiting surface or bottom surface are provided with first and second group light modulation structure, and its first group of light modulation structure comprises plural straight-line groove, and second group of light modulation structure then includes plural non-rectilinear groove.
2, light guide plate according to claim 1 is characterized in that each straight line or non-rectilinear groove are V-groove or U type groove.
3, light guide plate according to claim 1 is characterized in that, each non-rectilinear groove has gradually little spacing near the pointolite place.
4, light guide plate according to claim 1 is characterized in that, the width of each straight line or non-rectilinear groove or the degree of depth formula in gradient change.
5, light guide plate according to claim 1 is characterized in that, each straight line or non-rectilinear groove have towards first and second hypotenuse that tilts of different directions in opposite directions, and first and second hypotenuse and exiting surface or bottom surface form first and second angle.
As light guide plate as described in the claim 5, it is characterized in that 6, this first and second hypotenuse intersects and forms the 3rd angle, its 3rd angle between 90 degree between 120 degree.
7, light guide plate according to claim 1 is characterized in that, this first and second group light modulation structure is a homeotropic alignment.
8, light guide plate according to claim 1 is characterized in that each straight-line groove is parallel to the long limit or the minor face of light guide plate.
9, light guide plate according to claim 1 is characterized in that each non-rectilinear groove is shaped form or sawtooth pattern.
10, light guide plate according to claim 1 is characterized in that, this exiting surface or bottom surface also further are provided with one group of the 3rd group of above light modulation structure.
11, as light guide plate as described in the claim 10, it is characterized in that the 3rd group of light modulation structure is plural groove.
12, light guide plate according to claim 1 is characterized in that this pointolite forms light inlet by arbitrary corner of light guide plate, and each non-rectilinear groove is formed centrally concentric circles in this pointolite being and arranges.
13, light guide plate according to claim 1 is characterized in that this pointolite forms light inlet by arbitrary corner of light guide plate, and each straight-line groove is formed centrally radial arrangement in this pointolite being.
As light guide plate as described in the claim 12, it is characterized in that 14, this corner forms cuts the straight angle or circle of contact angle.
15, light guide plate according to claim 1 is characterized in that this its pointolite forms light inlet by light guide plate incidence surface center, and each non-rectilinear groove has gradually little spacing near the pointolite place.
16, a kind of utilization backlight module of light guide plate according to claim 1, its light guide plate include at least one in order to the incidence surface of accepting to go into to establish light, one with crossing bottom surface and the exiting surface relative of this incidence surface with this bottom surface, and the complex points light source is arranged at a side that should incidence surface; It is characterized in that:
This exiting surface or bottom surface are provided with first and second group light modulation structure, and its first group of light modulation structure comprises plural straight-line groove, and second group of light modulation structure then includes plural non-rectilinear groove.
17, as backlight module as described in the claim 16, it is characterized in that each straight line or non-rectilinear groove are V-groove or U type groove.
As backlight module as described in the claim 16, it is characterized in that 18, each non-rectilinear groove has gradually little spacing near the pointolite place.
As backlight module as described in the claim 16, it is characterized in that 19, the width of each straight line or non-rectilinear groove or the degree of depth formula in gradient change.
20, as backlight module as described in the claim 16, it is characterized in that each straight line or non-rectilinear groove have towards first and second hypotenuse of phase inclined in opposite directions, and first and second hypotenuse and exiting surface or bottom surface form first and second angle.
As backlight module as described in the claim 20, it is characterized in that 21, this first and second hypotenuse intersects and forms the 3rd angle, its 3rd angle between 90 degree between 120 degree.
As backlight module as described in the claim 16, it is characterized in that 22, this first and second group light modulation structure is a homeotropic alignment.
23, as backlight module as described in the claim 16, it is characterized in that each straight-line groove is parallel to the long limit or the minor face of light guide plate.
24, as backlight module as described in the claim 16, it is characterized in that each non-rectilinear groove is shaped form or sawtooth pattern.
As backlight module as described in the claim 16, it is characterized in that 25, this exiting surface or bottom surface further are provided with one group of the 3rd group of above light modulation structure.
26, as backlight module as described in the claim 25, it is characterized in that the 3rd group of light modulation structure is plural straight-line groove or non-rectilinear groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620156909 CN200976055Y (en) | 2006-10-18 | 2006-10-18 | Light conducting plate and backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620156909 CN200976055Y (en) | 2006-10-18 | 2006-10-18 | Light conducting plate and backlight module |
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| Publication Number | Publication Date |
|---|---|
| CN200976055Y true CN200976055Y (en) | 2007-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620156909 Expired - Fee Related CN200976055Y (en) | 2006-10-18 | 2006-10-18 | Light conducting plate and backlight module |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102245960B (en) * | 2008-12-10 | 2014-03-19 | 夏普株式会社 | Light guide, backlight and display |
| CN103901527A (en) * | 2012-12-27 | 2014-07-02 | 奇美实业股份有限公司 | Light guide plate |
| CN104808280A (en) * | 2015-04-28 | 2015-07-29 | 深圳市华星光电技术有限公司 | Light guide plate and backlight module with same |
| CN106501895A (en) * | 2015-09-04 | 2017-03-15 | 扬升照明股份有限公司 | Light guide plate and light source module |
| CN107272107A (en) * | 2016-04-04 | 2017-10-20 | 美蓓亚株式会社 | Planar illuminating device |
| CN107870468A (en) * | 2017-11-30 | 2018-04-03 | 盛天誉 | Study display device |
| CN109116633A (en) * | 2018-11-05 | 2019-01-01 | 维沃移动通信有限公司 | Backlight module and display device |
| CN110646869A (en) * | 2018-06-27 | 2020-01-03 | 星鋭安应用材料股份有限公司 | Optical film with decorative effect and multilayer structure thereof |
-
2006
- 2006-10-18 CN CN 200620156909 patent/CN200976055Y/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102245960B (en) * | 2008-12-10 | 2014-03-19 | 夏普株式会社 | Light guide, backlight and display |
| CN103901527A (en) * | 2012-12-27 | 2014-07-02 | 奇美实业股份有限公司 | Light guide plate |
| TWI479209B (en) * | 2012-12-27 | 2015-04-01 | Chi Mei Corp | Light guide plate |
| US9798065B2 (en) * | 2015-04-28 | 2017-10-24 | Shenzhen China Star Optoelectronics Technology Co., Ltd | Light guide plate and backlight module using the light guide plate |
| US20160320544A1 (en) * | 2015-04-28 | 2016-11-03 | Shenzhen China Star Optoelectronics Technology Co., Ltd | Light guide plate and backlight module using the light guide plate |
| WO2016173085A1 (en) * | 2015-04-28 | 2016-11-03 | 深圳市华星光电技术有限公司 | Light guide plate and backlight module using same |
| CN104808280A (en) * | 2015-04-28 | 2015-07-29 | 深圳市华星光电技术有限公司 | Light guide plate and backlight module with same |
| CN104808280B (en) * | 2015-04-28 | 2019-02-12 | 深圳市华星光电技术有限公司 | Light guide plate and the backlight module for using the light guide plate |
| CN106501895A (en) * | 2015-09-04 | 2017-03-15 | 扬升照明股份有限公司 | Light guide plate and light source module |
| CN106501895B (en) * | 2015-09-04 | 2020-04-17 | 台湾扬昕股份有限公司 | Light guide plate and light source module |
| CN107272107A (en) * | 2016-04-04 | 2017-10-20 | 美蓓亚株式会社 | Planar illuminating device |
| CN107870468A (en) * | 2017-11-30 | 2018-04-03 | 盛天誉 | Study display device |
| CN107870468B (en) * | 2017-11-30 | 2020-10-02 | 盛天誉 | Display device for learning |
| CN110646869A (en) * | 2018-06-27 | 2020-01-03 | 星鋭安应用材料股份有限公司 | Optical film with decorative effect and multilayer structure thereof |
| CN109116633A (en) * | 2018-11-05 | 2019-01-01 | 维沃移动通信有限公司 | Backlight module and display device |
| WO2020093892A1 (en) * | 2018-11-05 | 2020-05-14 | 维沃移动通信有限公司 | Backlight module and display device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: FUXIANG INDUSTRIAL CO., LTD. Free format text: FORMER OWNER: NAIPU PHOTOELECTRIC SCIENCE-TECHNOLOGY CO., LTD., TAIWAN Effective date: 20101103 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: NO.16, DONGYUAN ROAD, ZHONGLI CITY, TAOYUAN COUNTY, TAIWAN, CHINA TO: TAICHUNG COUNTY, TAIWAN PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20101103 Address after: Taichung County, Taiwan Patentee after: Fuxiang Industrial Co., Ltd. Address before: China Taiwan Taoyuan County of Zhongli City, East Road No. 16 Patentee before: Taiwan Nano Elector-Optical Technology Co., Ltd. |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071114 Termination date: 20121018 |