CN201434339Y - Section light structure of light panel in backlight module - Google Patents
Section light structure of light panel in backlight module Download PDFInfo
- Publication number
- CN201434339Y CN201434339Y CN2009200691292U CN200920069129U CN201434339Y CN 201434339 Y CN201434339 Y CN 201434339Y CN 2009200691292 U CN2009200691292 U CN 2009200691292U CN 200920069129 U CN200920069129 U CN 200920069129U CN 201434339 Y CN201434339 Y CN 201434339Y
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- groove
- lgp
- section
- backlight module
- guide structure
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Abstract
The utility model relates to a section light structure of a light panel in a backlight module, which comprises a light panel. The light panel has the light conducting property and is provided with a first plane panel and a second plane panel which are arranged on two opposite sides. The first plane of the light panel is provided with at least one groove extending from one side to the opposite sidecontinuously, such that the first plane is divided into a plurality of sections. A plurality of light sources capable of projecting light into the light panel from the first groove are arranged in the first groove. The utility model has the beneficial effect that by arranging the light sources in the groove of the light panel, the project length of the light can be shortened, the light sources are prevented from being exposed, the size of the backlight module is smaller and the utility model is more applicable to being installed and used on thin, light and small electric products.
Description
Technical field
The utility model relates to a kind of backlight module, relates in particular to the section light guide structure of LGP in this backlight module.
Background technology
The backlight module that generally is used for LCD includes a LGP, first side of LGP is provided with a reflector plate, second side surface opposite then is provided with the plural blooming piece of being made up of diffusion sheet and prismatic lens etc., periphery at those assemblies surrounds with a housing again, the side of LGP then is provided with light source, the light that light source sent is entered by the side projection of LGP, and part light is reflected by reflector plate, penetrates by diffusion sheet and prismatic lens in regular turn again.
General LGP is the plate body of continuous morphology, therefore, light is to present continual conduction in LGP, that is the light that is presented on whole LGP is comparatively even, when being applied to the LCD panel, same meeting presents near identical brightness each picture of LCD panel.
Yet a LCD picture sometimes is not identical brightness in itself completely; For example, the building of the Hei An night sky and white just needs the contrast of light and shade; Therefore, in order to make the LCD picture obtain more beautiful, have more relief effect, present existing backlight module is designed to have some sections and the structure that can distinguish leaded light, the LGP side that each separates is separately installed with light source, it is by the picture of luminous sequential to cooperate LCD to manifest of those light sources of electronic circuit control, allow in essence should be dark picture darker, the picture that should become clear is more bright in essence.
The backlight module that has the segmentation leaded light in the prior art, its architectural feature is to adopt special technique that the LGP of some small sizes is connected together, and make its joint can't leaded light, thereby the light source that is located at each section LGP only can be conducted light in this section LGP.
Aforementioned LGP with section light guide effect, owing to being employing and connecing mode manufacturing that so processing procedure is more loaded down with trivial details, manufacturing cost is higher, therefore, the Taiwan M3200073 patent case before got permission of the company of applicant in the Taiwan, China's Mainland is to propose solution at aforesaid problem.
Taiwan M3200073 patent case provides a kind of LGP with section light guide effect, is primarily characterized in that the structure that forms several regions on the LGP via plural groove, does not relate to the laying structure of light source.Therefore, on the basis of this number patent case, in conjunction with the laying structure of light source, be the problem that the technical staff will solve again how to obtain better product.
Summary of the invention
The utility model technical issues that need to address have provided the section light guide structure of LGP in a kind of backlight module, are intended to solve the above problems.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:
The utility model comprises: the LGP with conducting light character has first plane that is positioned at relative both sides and the plate body on second plane, first plane of described LGP is provided with one at least from extending to first groove of relative another side on one side continuously, is separated out plural section at this first plane area; Be laid with the plural light source that can be in described first groove ray cast be entered in the LGP in described first groove.
Compared with prior art, the beneficial effects of the utility model are: by light source being arranged in the groove of LGP, except the projection length that can shorten light, can also avoid light source to expose, make that the volume of back of the body mould optical mode is littler, be more suitable for compact electronic product and install and use.
Description of drawings
Fig. 1 is for showing the stereogram of the utility model first embodiment;
Fig. 2 is the plan view of Fig. 1, and is presented at the interior side of each first groove of LGP, and a side of LGP is provided with the embodiment schematic diagram of light source;
Fig. 2 A is the plan cross-section schematic diagram along the A-A direction of Fig. 2;
Fig. 2 B is that the interior side of each first groove that is presented at LGP is provided with light source, and the both sides in first groove of the leftmost side then are provided with the embodiment schematic diagram of light source;
Fig. 3 can be provided with the embodiment of light source in the relative both sides in each groove of LGP for showing the utility model;
Fig. 3 A is the plan cross-section schematic diagram along the B-B direction of Fig. 3;
Fig. 4 is the shape of a hoof for the embodiment section that shows this first groove, and the side in first groove is provided with the embodiment of light source;
Fig. 4 A is the shape of a hoof for the embodiment section that shows this first groove, and the relative both sides in first groove are provided with the embodiment of light source;
Fig. 5 is for showing that the utility model is provided with the first staggered groove and the embodiment stereogram of second groove at LGP;
Fig. 5 A is the plan view of Fig. 5, and is presented at the interior side of each first groove of LGP, and a side of LGP is provided with the embodiment schematic diagram of light source;
Fig. 5 B is presented at light conducting plate structure shown in Figure 5, and the side in first groove is provided with light source, and the both sides in first groove of the leftmost side then are provided with the embodiment schematic diagram of light source;
Fig. 6 is provided with another embodiment stereogram of the first staggered groove and second groove for showing the utility model at LGP;
Fig. 6 A is the plan view of Fig. 6, and each the first groove both sides that is presented at LGP are equipped with the embodiment of light source;
Fig. 6 B is the plan view of Fig. 6, and is presented at each first groove of LGP and the embodiment that the second groove both sides are equipped with light source.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail:
A wherein feature of the present utility model, be to adopt one-body molded mode to be provided with one at least on first plane of a LGP from extending to first groove of relative another side on one side continuously, even be provided with again from extend to continuously on one side relative another side and with the second staggered groove of this first groove, be separated out some sections by first plane area with LGP, then be provided with light source in each first groove and/or second groove, by controlling the luminous sequential of this light source, and in those grooves, light source projects is entered in the LGP, get so that described each section is complied with predetermined sequential leaded light.
A feature more of the present utility model can be arranged on described light source a side or relative both sides in first groove and/or second groove, enters LGP by the one or both sides throw light from groove.
Another feature of the present utility model is the section of described first groove or second groove, can be the geometry of vertical plane at least one sides such as trapezoidal or the shapes of a hoof, and by the plane of incidence of this vertical plane as light.
Another feature of the present utility model is that the surface of described first groove and second groove can be in conjunction with the design of optical texture, to improve the optical uniformity of seam crossing.
Consult Fig. 1 to Fig. 2 A, preferred embodiment of the present utility model, be to adopt material to make described LGP 1 with good leaded light character, it is to have first plane 11 that is positioned at relative both sides and the plate body on second plane 12, and be provided with one at least on first plane 11 of described LGP 1 from extending to first groove 111 of relative another side on one side continuously, by separating out plural section on this first plane 11 in one-body molded mode.Described one-body molded, can in this LGP 1 of ejection formation, go out those first grooves 111 by straight forming, also LGP 1 can be shaped to a plane plate after, cut described first groove 111 on its first plane 11 in the secondary operations mode again.
Its preferred embodiment of the present utility model is to make those first grooves 111 parallel to each other, to separate out a plurality of rectangular section.First embodiment of described first groove 111 can be that section is trapezoidal (shown in Fig. 2 A) with a vertical plane, or both sides also have the shape of a hoof (as shown in Figure 4) of vertical plane, by the plane of incidence of this trapezoidal or horseshoe-shaped vertical plane as light.In addition, based on allowing more soft consideration behind the light penetration LGP, optical texture 13 can be set up in the surface of described first groove 111, for example laid a plurality of points in described first flute surfaces with processing modes such as sandblast, printing or non-printings, by those points constitute can reflective/refractive power optical texture, to improve the bad problem of groove place concealed wire and optical uniformity.2 of light sources of plural number are located at the side in each first groove 111 of LGP 1 shown in Fig. 2 and Fig. 2 A, enter LGP by the vertical plane from a side throw light from first groove 111; When the light source in first groove 111 only is located at a side, also must LGP fail by ray cast to section one side light source 2A (as shown in Figure 2) is set in addition, can allow light throw fully like this and enter each section; Or shown in Fig. 2 B, light source 2 being set in the both sides of first groove 111 of the leftmost side, other first groove 111 then only is provided with light source in a side.The utility model also can be arranged on light source 2 the relative both sides (shown in Fig. 3 and Fig. 3 A) in first groove 111, by simultaneously ray cast being entered in the LGP from both sides, and by the luminous sequential of controlling those light sources 2, so that described each section according to predetermined sequential leaded light, required with the thin portion brightness that cooperates the LCD picture; Only, when the both sides in first groove 111 all were provided with light source, the relative both sides of this first groove 111 all were necessary for vertical plane, that is the section of first groove 111 is ㄇ shape, entered LGP in order to do light can be throwed best.
Horseshoe-shaped first groove 111 shown in Figure 4 because its relative both sides are vertical plane, therefore, can be selected only in a side light source 2 to be set, or in both sides light source 2 (shown in Fig. 4 A) is set all.
Again as shown in Figure 5, the utility model also can be according to structure shown in Figure 1, and with aforesaid manufacturing or cooperation process technology, at least be provided with one from extending to relative another side on one side continuously on first plane 11 of LGP, and with the second staggered groove 112 of this first groove 111, to separate out plural section on this first plane 11.Preferred embodiment of the present utility model be to make those first grooves 111 parallel to each other, and second groove 112 is parallel to each other, to separate out a plurality of rectangular section.The section configuration of described second groove 112 can be identical with first groove 111, also can be different with first groove; When LGP is provided with first groove 111 and second groove 112 simultaneously, can only in first groove 111 or second groove 112, light source 2 be set, also can in first groove 111 and second groove 112, light source 2 be set all, in addition, be located at the light source in first groove 111 and/or second groove 112, can only be located at the side in this groove, also can be arranged on the both sides of groove; Moreover, there are first groove that light source is set and/or the surface of second groove can set up aforesaid optical texture.
For example, be that only the side in each first groove 111 of LGP 1 is provided with light source 2 shown in Fig. 5 A, make light enter LGP from the vertical plane throw light of first groove 111, second groove then is not provided with light source; Or can be only light source being set in a side of second groove, first groove then is not provided with the light source (not shown).When the light source in first groove 111 or second groove 112 only is located at a side, also must LGP fail by ray cast to section one side light source 2A (shown in Fig. 5 A) is set in addition, can allow light throw fully and enter each section; Or shown in Fig. 5 B, light source 2 being set in the both sides of first groove 111 (or second groove) of the leftmost side, other first groove 111 then only is provided with light source in a side.
Fig. 6, Fig. 6 A and Fig. 6 B show an embodiment more of the present utility model, the section of first groove 111 and second groove 112 can be made as ㄇ shape, and with relative both sides in second groove 112 light source 2 is set all at this first groove 111, by entering LGP from the both sides throw light, and by the luminous sequential of controlling those light sources 2, so that described each section according to predetermined sequential leaded light, required with the thin portion brightness that cooperates the LCD picture.
The above person in order to explain preferred embodiment of the present utility model, is not that attempt is done any pro forma restriction to the utility model according to this only.All have following of identical spirit do relevant any modification or change, all must be included in the category of the utility model intention protection.
Claims (23)
1, the section light guide structure of LGP in a kind of backlight module, comprise: the LGP with conducting light character has first plane that is positioned at relative both sides and the plate body on second plane, first plane of described LGP is provided with one at least from extending to first groove of relative another side on one side continuously, is separated out plural section at this first plane area; It is characterized in that: be laid with the plural light source that can be in described first groove ray cast be entered in the LGP in described first groove.
2, the section light guide structure of LGP in the backlight module according to claim 1 is characterized in that: described first groove is two when above, and those first grooves are parallel to each other.
3, the section light guide structure of LGP in the backlight module according to claim 1 and 2 is characterized in that: described light source is laid in the side in this first groove.
4, the section light guide structure of LGP in the backlight module according to claim 1 and 2 is characterized in that: described light source is laid in the relative both sides in this first groove.
5, the section light guide structure of LGP in the backlight module according to claim 1 and 2 is characterized in that: described light source is laid in the side in a part of first groove, and the relative both sides in another part first groove.
6, the section light guide structure of LGP in the backlight module according to claim 1 and 2, it is characterized in that: Yi Bian first plane of described LGP is provided with one at least from extending to relative another side continuously, and with the second staggered groove of this first groove, to be separated out plural section at this first plane area.
7, the section light guide structure of LGP in the backlight module according to claim 6 is characterized in that: described second groove is two when above, and those second grooves are parallel to each other.
8, the section light guide structure of LGP in the backlight module according to claim 6 is characterized in that: be laid with plural light source in described second groove.
9, the section light guide structure of LGP in the backlight module according to claim 7 is characterized in that: be laid with plural light source in described second groove.
10, the section light guide structure of LGP in the backlight module according to claim 8 is characterized in that: described light source is laid in the side in this second groove.
11, the section light guide structure of LGP in the backlight module according to claim 8 is characterized in that: described light source is laid in the relative both sides in this second groove.
12, the section light guide structure of LGP in the backlight module according to claim 8 is characterized in that: described light source is laid in the side in a part of second groove, and the relative both sides in another part second groove.
13, the section light guide structure of LGP in the backlight module according to claim 9 is characterized in that: described light source is laid in the side in this second groove.
14, the section light guide structure of LGP in the backlight module according to claim 9 is characterized in that: described light source is laid in the relative both sides in this second groove.
15, the section light guide structure of LGP in the backlight module according to claim 9 is characterized in that: described light source is laid in the side in a part of second groove, and the relative both sides in another part second groove.
16, the section light guide structure of LGP in the backlight module according to claim 1, it is characterized in that: the section of described first groove is have at least one vertical plane trapezoidal.
17, the section light guide structure of LGP in the backlight module according to claim 1, it is characterized in that: the section of described first groove is the shape of a hoof.
18, the section light guide structure of LGP in the backlight module according to claim 1 is characterized in that: the section of described first groove is that relative both sides all are necessary for vertical plane.
19, according to the section light guide structure of LGP in claim 16 or the 17 or 18 described backlight modules, it is characterized in that: the surface of described first groove is provided with optical texture.
20, the section light guide structure of LGP in the backlight module according to claim 6, it is characterized in that: the section of described second groove is have at least one vertical plane trapezoidal.
21, the section light guide structure of LGP in the backlight module according to claim 6, it is characterized in that: the section of described second groove is the shape of a hoof.
22, the section light guide structure of LGP in the backlight module according to claim 6 is characterized in that: the section of described second groove is that relative both sides all are necessary for vertical plane.
23, the section light guide structure of LGP in the backlight module according to claim 6, it is characterized in that: the surface of described first groove and second groove is provided with optical texture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200691292U CN201434339Y (en) | 2009-03-20 | 2009-03-20 | Section light structure of light panel in backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200691292U CN201434339Y (en) | 2009-03-20 | 2009-03-20 | Section light structure of light panel in backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201434339Y true CN201434339Y (en) | 2010-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200691292U Expired - Lifetime CN201434339Y (en) | 2009-03-20 | 2009-03-20 | Section light structure of light panel in backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201434339Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832522A (en) * | 2010-04-28 | 2010-09-15 | 海洋王照明科技股份有限公司 | Lamp transparent part and LED lamp |
| CN102518988A (en) * | 2011-11-10 | 2012-06-27 | 友达光电股份有限公司 | Backlight module |
| CN101839445B (en) * | 2009-03-20 | 2013-03-27 | 上海向隆电子科技有限公司 | Section light guide structure of light guide plate in back light module |
-
2009
- 2009-03-20 CN CN2009200691292U patent/CN201434339Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839445B (en) * | 2009-03-20 | 2013-03-27 | 上海向隆电子科技有限公司 | Section light guide structure of light guide plate in back light module |
| CN101832522A (en) * | 2010-04-28 | 2010-09-15 | 海洋王照明科技股份有限公司 | Lamp transparent part and LED lamp |
| CN102518988A (en) * | 2011-11-10 | 2012-06-27 | 友达光电股份有限公司 | Backlight module |
| CN102518988B (en) * | 2011-11-10 | 2013-11-27 | 友达光电股份有限公司 | Backlight module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100331 |