CN202216102U - Backlight module - Google Patents
Backlight module Download PDFInfo
- Publication number
- CN202216102U CN202216102U CN2011203156738U CN201120315673U CN202216102U CN 202216102 U CN202216102 U CN 202216102U CN 2011203156738 U CN2011203156738 U CN 2011203156738U CN 201120315673 U CN201120315673 U CN 201120315673U CN 202216102 U CN202216102 U CN 202216102U
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- China
- Prior art keywords
- led lamp
- backlight module
- lamp bar
- lgp
- light
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Abstract
The utility model discloses a backlight module, which includes a light guide plate, wherein an LED light bar is arranged on at least one side of the light guide plate. The backlight module is characterized in that LED lamp beads distributed at irregular intervals are arranged on the LED light bar. The backlight module provided by the utility model changes the scheme that in the original backlight module, the uniformity of light rays is adjusted only through optical dots, as the LED lamp beads are arranged at gradually-shortened intervals as per a certain rule, the incident point light sources of the light guide plate can be adjusted according to different intensity of light rays at different parts inside the light guide plate, in this way, the difficulty caused by completely depending on the optical dots to adjust the optical uniformity is reduced, so that the adjustment of the entire optical uniformity of the backlight module is much simplified, the requirement on integral consistency can be met easily, and both the design difficulty and the manufacturing cost are effectively controlled.
Description
Technical field
The utility model relates to a kind of module backlight, particularly relates to a kind of LED-backlit module.
Background technology
Module backlight often is applied in various LCDs or the display panels, so that the backlight of enough brightness to be provided.At present; Industry adopts side entering type LED-backlit module that back lighting is provided more; Its basic structure adopts shape size and the suitable LGP of display screen; And settle LED lamp bar along a side of LGP or many sides, convert the luminous area source of whole LGP into spot light or line source with LED lamp bar; Because the transmission meeting of light in LGP of LED lamp bar decays gradually, for addressing this problem, need set the optics site and come uniform light, the luminous uniformity of module backlight is unified adjustment; Yet side entering type light inlet mode is often had relatively high expectations to the optics site, makes the distribution design of optics site comparatively difficult, and the exploitation of module backlight and production cost are higher thereupon, therefore are necessary to make improvement.
The utility model content
The technical problem that the utility model will solve provides a kind of module backlight, only adjusts the luminous uniformity through the distribution of optics site, the problem that design that causes and production cost are higher to solve present module backlight.
The utility model solves the technical scheme that its technical problem adopted:
A kind of module backlight comprises LGP, and at least one side of LGP is provided with LED lamp bar, it is characterized in that: said LED lamp bar is provided with the LED lamp pearl that some non-equidistances distribute.
As the further improvement of such scheme, the spacing of said LED lamp pearl is increased gradually towards one or both sides by certain on the said LED lamp bar or reduces gradually.
In a kind of scheme of above-mentioned module backlight, a side of LGP is provided with LED lamp bar, and the distribute spacing of the LED lamp pearl on the said LED lamp bar is increased towards both sides by the middle part gradually.
In a kind of scheme of above-mentioned module backlight, the two opposite sides of LGP are provided with LED lamp bar, and the distribute spacing of the LED lamp pearl on the said LED lamp bar is increased towards both sides by the middle part gradually.
In a kind of scheme of above-mentioned module backlight, two sides adjacent of LGP are provided with LED lamp bar, and wherein the LED lamp pearl spacing of the mutual adjacent side of two LED lamp bars is all bigger, and are all less away from the LED lamp pearl spacing of side each other.
The beneficial effect of the utility model: the module backlight that the utility model provides; Break through original module backlight and only adjust the scheme of the light uniformity by the optics site; The spacing of its LED lamp pearl is gradual according to certain rules arranges, and makes the spot light of incident LGP adjust according to the different power property of the light of different parts in the LGP, can reduce the difficulty of reaching that relies on the optics site to adjust optical homogeneity fully like this; Thereby make the inhomogeneity adjustment of the whole optics of module backlight more become to oversimplifying, the requirement that more is prone to reach integral uniform property, design difficulty and production cost have all obtained effective control.
Description of drawings
In order to be illustrated more clearly in the technical scheme among the utility model embodiment, the accompanying drawing of required use is done simple declaration in will describing embodiment below.Obviously, described accompanying drawing is a part of embodiment of the utility model, rather than whole embodiment, those skilled in the art under the prerequisite of not paying creative work, other designs and the accompanying drawing that can also obtain according to these accompanying drawings:
Fig. 1 is the structural representation of first kind of embodiment of the utility model;
Fig. 2 is the structural representation of second kind of embodiment of the utility model;
Fig. 3 is the structural representation of the third embodiment of the utility model.
The specific embodiment
Below will combine embodiment and accompanying drawing that the technique effect of design, concrete structure and the generation of the utility model is carried out clear, intactly description, with purpose, characteristic and the effect of understanding the utility model fully.Obviously; Described embodiment is a part of embodiment of the utility model, rather than whole embodiment, based on the embodiment of the utility model; Other embodiment that those skilled in the art is obtained under the prerequisite of not paying creative work all belong to the scope that the utility model is protected.
The module backlight that the utility model provides, structure comprises LGP 1, and LGP 1 at least one side is provided with LED lamp bar 2, and LED lamp bar 2 is provided with some LED lamp pearls 3, and these LED lamp pearls 3 are that expense equidistantly distributes; Special, the spacing of these LED lamp pearls 3 is begun by certain on the LED lamp bar 2, increases gradually towards one or both sides or reduces gradually, forms a unidirectional or two-way increasing or decreasing relation.Embodiment with practical application describes below:
Referring to Fig. 1, be the one-sided incident type back light module unit structure sketch map that the utility model provides, this module backlight is one-sided LGP 1; Promptly normally longer side is provided with LED lamp bar 2; Row establishes some LED lamp pearls 3 is installed on the LED lamp bar 2, and wherein LED lamp pearl 3 is the center with LED lamp bar 2 middle parts, the symmetry in the left and right sides of LED lamp bar 2; The spacing of corresponding its symmetric position two adjacent LED lamp pearls 3 is also just identical, with P
1Expression LED lamp bar 2 is the spacing of the two adjacent LED lamp pearls 3 at middle part, and is followed successively by P towards both sides
2P
n, P is then arranged
1＜P
2＜...＜P
n, promptly the distribute spacing of the LED lamp pearl 3 on this LED lamp bar 2 is increased towards both sides by the middle part gradually.Because in the design of module backlight; The brightest with the subjective taste of entire module central point is design principle; And the arrangement of LED lamp pearl 3 is directly connected to the distribution of energy of light source; Therefore this embodiment can guarantee that the light on the LGP 1 is roughly even after cooperating rational optics site, and guarantees the light effects of central part.
With reference to Fig. 2; It is the structural representation of two pairs of avris incident type modules backlight providing of the utility model; This backing structure is provided with LED lamp bar 2 respectively in the two opposite sides, the left and right sides of LGP 1; The distribution of LED lamp pearl 3 on the two LED lamp bars 2 also is identical simultaneously, is that spacing is increased towards both sides by the middle part gradually equally, is the vertically linear relationship of increasing spacing arrangement from the centre to two.Same, this embodiment can guarantee that the light on the LGP 1 is roughly even, and guarantees the light effects of central part.
With reference to Fig. 3; It is the adjacent both sides of the LED incident type back light module unit structure sketch map that the utility model provides; This module backlight respectively is provided with a LED lamp bar 2 in two sides adjacent of LGP 1, two LED lamp bars, 2 mutual adjacent side wherein, and the spacing of its LED lamp pearl 3 is all bigger; Two each other away from side, and LED lamp pearl 3 spacings are all less.For making things convenient for description can be expressed as LED lamp bar 2 and horizontal LED lamp bar 2 longitudinally; LED lamp bar 2 longitudinally then; Its LED lamp pearl 3 is the increasing linear relationship of spacing from top to bottom arranges, and horizontal LED lamp bar 2 is the more and more littler linear relationship of spacing from left to right and arranges.Be reacted to like this on the LGP 1; From two LED lamp bars, 2 nearer positions, near it LED lamp pearl 3 distribute comparatively sparse, and from LED lamp bar 2 position far away; Distribute closeer near the LED lamp pearl of locating 3; In order to offset that light is propagated and successively decreasing of causing, guarantee at LGP 1 glazed thread on a rough averagely like this, and the light effects of central part is better.
Certainly, the structure of the utility model cooperates the optics site again, more can promote the light source efficiency of utilizing LED lamp pearl 3 to greatest extent, reaches better effect backlight.
The invention is not limited to above-mentioned embodiment; Those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite of the utility model spirit, modification that these are equal to or replacement all are included in the application's claim institute restricted portion.
Claims (5)
1. a module backlight comprises LGP, and at least one side of LGP is provided with LED lamp bar, it is characterized in that: said LED lamp bar is provided with the LED lamp pearl that some non-equidistances distribute.
2. a kind of module backlight according to claim 1 is characterized in that: the spacing of said LED lamp pearl is increased gradually towards one or both sides by certain on the said LED lamp bar or reduces gradually.
3. a kind of module backlight according to claim 1 and 2 is characterized in that: a side of said LGP is provided with LED lamp bar, and the spacing of the LED lamp pearl on the said LED lamp bar is increased towards both sides by the middle part gradually.
4. a kind of module backlight according to claim 1 and 2 is characterized in that: the two opposite sides of said LGP are provided with LED lamp bar, and the spacing of the LED lamp pearl on the said LED lamp bar is increased towards both sides by the middle part gradually.
5. a kind of module backlight according to claim 1 and 2 is characterized in that: two sides adjacent of said LGP are provided with LED lamp bar, and wherein the LED lamp pearl spacing of the mutual adjacent side of two LED lamp bars is all bigger, and are all less away from the LED lamp pearl spacing of side each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203156738U CN202216102U (en) | 2011-08-26 | 2011-08-26 | Backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203156738U CN202216102U (en) | 2011-08-26 | 2011-08-26 | Backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202216102U true CN202216102U (en) | 2012-05-09 |
Family
ID=46015355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203156738U Expired - Fee Related CN202216102U (en) | 2011-08-26 | 2011-08-26 | Backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202216102U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705744A (en) * | 2012-06-15 | 2012-10-03 | 深圳市华星光电技术有限公司 | Light emitting diode (LED) lamp strip and lateral-entering type backlight module using same |
| CN105546393A (en) * | 2016-01-06 | 2016-05-04 | 深圳创维－Rgb电子有限公司 | Light bar capable of reducing shadow of cushion blocks, backlight module, displayer and television |
-
2011
- 2011-08-26 CN CN2011203156738U patent/CN202216102U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705744A (en) * | 2012-06-15 | 2012-10-03 | 深圳市华星光电技术有限公司 | Light emitting diode (LED) lamp strip and lateral-entering type backlight module using same |
| WO2013185395A1 (en) * | 2012-06-15 | 2013-12-19 | 深圳市华星光电技术有限公司 | Led light strip and side-type backlight module using same |
| CN102705744B (en) * | 2012-06-15 | 2014-10-15 | 深圳市华星光电技术有限公司 | Light emitting diode (LED) lamp strip and lateral-entering type backlight module using same |
| CN105546393A (en) * | 2016-01-06 | 2016-05-04 | 深圳创维－Rgb电子有限公司 | Light bar capable of reducing shadow of cushion blocks, backlight module, displayer and television |
| CN105546393B (en) * | 2016-01-06 | 2018-06-19 | 深圳创维－Rgb电子有限公司 | A kind of lamp bar for reducing cushion block shadow, backlight module, display and TV |
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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: 20120509 Termination date: 20140826 |
|
| EXPY | Termination of patent right or utility model |