CN105065994A - Lamp strip structure capable of forming rectangular and uniform luminous effect, backlight module and display device - Google Patents
Lamp strip structure capable of forming rectangular and uniform luminous effect, backlight module and display device Download PDFInfo
- Publication number
- CN105065994A CN105065994A CN201510492375.9A CN201510492375A CN105065994A CN 105065994 A CN105065994 A CN 105065994A CN 201510492375 A CN201510492375 A CN 201510492375A CN 105065994 A CN105065994 A CN 105065994A
- Authority
- CN
- China
- Prior art keywords
- lamp bar
- backlight module
- bar structure
- optics
- light efficiency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/02—Combinations of only two kinds of elements
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
Abstract
The invention discloses a lamp strip structure capable of forming a rectangular and uniform luminous effect, a backlight module and a display device. The lamp strip structure comprises an optical device, luminous bodies vertically arranged at the two ends of the optical device, and a reflection component horizontally arranged at the bottom of the optical device, wherein the light rays generated by the luminous bodies are refracted and reflected in the optical device, and reflected towards specified directions through the reflection component. With the adoption of the unique optical structure design, the use quantity of LEDs is reduced, thus achieving the purpose of reducing cost.
Description
Technical field
The present invention relates to lamp bar technical field of structures, in particular a kind of lamp bar structure, backlight module and display unit forming rectangular uniform light efficiency.
Background technology
At present, in television set down straight aphototropism mode set light source, need a fairly large number of LED lamp bar special optical lens of arranging in pairs or groups just can reach complete machine module optics and look effect, and single led lamp bar can be subject to laterally affect with longitudinal pitch, also need various manufacturing process just can complete LED lamp bar scheme to make simultaneously, directly have influence on cost, production capacity and quality.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the invention provides a kind of the lamp bar structure, backlight module and the display unit that form rectangular uniform light efficiency, adopt unique optical texture design, reduce the usage quantity of LED, reach the object reduced costs.
Technical scheme of the present invention is as follows:
Form a lamp bar structure for rectangular uniform light efficiency, comprising: optics, be vertically set on the illuminator at described optics two ends, and be horizontally set on the reflection part bottom described optics;
There is refraction and reflection in the light that described illuminator produces, and reflected to assigned direction by described reflection part in described optics.
The lamp bar structure of described formed rectangular uniform light efficiency, wherein, described optics is a column light-strip, and its cross section is half elliptic.
The lamp bar structure of described formed rectangular uniform light efficiency, wherein, described illuminator is LED lamp bead.
The lamp bar structure of described formed rectangular uniform light efficiency, wherein, the optical wavelength of described illuminator injection is 550nm.
The lamp bar structure of described formed rectangular uniform light efficiency, wherein, described reflection part is be attached at the reflector plate bottom described optics.
The lamp bar structure of described formed rectangular uniform light efficiency, wherein, described reflection part is the high reverse--bias ink layer be coated on bottom described optics.
A kind of backlight module, comprising: backboard, and the LED lamp bar be successively set on described backboard and optical module, and described LED lamp bar adopts the lamp bar structure of the formed rectangular uniform light efficiency as described in above-mentioned any one.
Described backlight module, wherein, described backlight module is down straight aphototropism mode set.
A kind of liquid crystal indicator, comprising: backlight module, described backlight module adopts backlight module as described above.
Described liquid crystal indicator, wherein, described liquid crystal indicator is LCD TV or liquid crystal display.
Beneficial effect of the present invention:
Compared with prior art, a kind of lamp bar structure, backlight module and display unit forming rectangular uniform light efficiency provided by the present invention, adopts unique optical texture design, reduces the usage quantity of LED, reach the object reduced costs.
Accompanying drawing explanation
Fig. 1 is the exploded view that the present invention can form the lamp bar structure of rectangular uniform light efficiency;
Fig. 2 is the profile of A-A in Fig. 1;
Fig. 3 is the using state figure that the present invention can form the lamp bar structure of rectangular uniform light efficiency.
Fig. 4 is the light path principle figure that the present invention can form the lamp bar structure of rectangular uniform light efficiency.
Detailed description of the invention
The invention provides a kind of the lamp bar structure, backlight module and the display unit that form rectangular uniform light efficiency, for making object of the present invention, technical scheme and effect clearly, clearly, referring to accompanying drawing examples, the present invention is described in more detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Refer to Fig. 1, Fig. 1 is the exploded view that the present invention can form the lamp bar structure of rectangular uniform light efficiency, the described lamp bar structure forming rectangular uniform light efficiency, and it comprises:
Optics 100, is vertically set on the illuminator 200 at described optics 100 two ends, and is horizontally set on the reflection part 300 bottom described optics 100.Particularly, there is refraction and reflection in the light that described illuminator 200 produces, and reflected to assigned direction by described reflection part 300 in described optics 100.
The present invention adopts unique optical texture design, while minimizing illuminator 200 usage quantity, can also increase the light-emitting area of lamp bar, reach the object reduced costs.Be widely used in television set down straight aphototropism mode set light source or other needs to be formed the field of rectangular uniform light efficiency, as: street lamp, billboard etc.
Shown in composition graphs 1 and Fig. 2, Fig. 2 is the profile of A-A in Fig. 1, and described optics 100 is a column light-strip, and its cross section is half elliptic.The light sent when illuminator 200 is injected from the two ends of optics 100, and refraction and reflection in optics 100, thus form the light of rectangular uniform light efficiency.
In the present embodiment, optics 100 is in conjunction with the refraction of light and principle of reflection, and the optical element of optical characteristics design, specifically carries out injection mo(u)lding, extrusion moulding or CNC by materials such as PMMA, PC machining.
In the present embodiment, described illuminator 200 is mainly optics 100 and provides light source, is preferably LED lamp bead.
Further, the optical wavelength that described illuminator 200 penetrates is 550nm.
As shown in Figure 2, reflection part 300 is a reflective body, is mainly reflected by this reflective body by the light that optics 100 receives, require higher reflectivity, himself is not luminous, and require that it is when optical wavelength is 550nm, reflectivity reaches more than 90%.Particularly, the light that illuminator 200 sends is by the refraction of optics 100 and reflection, the light injected by described illuminator 200 forms the light of rectangular uniform light efficiency, and is reflected to assigned direction by the light of this rectangular uniform light efficiency of reflection part 300, improves the efficiency of light energy utilization.Described reflection part 300 is preferably attached at the reflector plate bottom described optics 100, or for being coated on the high reverse--bias ink layer bottom described optics 100.
As shown in Figure 3, Fig. 3 is the using state figure that the present invention can form the lamp bar structure of rectangular uniform light efficiency.Wherein, the material of described optics 100 includes but not limited to optical grade PMMA or transparent PC, and the moulding process of described optics 100 can select injection mo(u)lding or squeeze technology for forming according to lamp bar stability.
Based on the above-mentioned embodiment forming the lamp bar structure of rectangular uniform light efficiency, the present invention also provides a kind of embodiment of backlight module.
Described backlight module, it comprises: backboard (not shown), and the LED lamp bar be successively set on described backboard and optical module 400(are namely: diffuser plate and blooming piece), described LED lamp bar adopts the lamp bar structure of the formed rectangular uniform light efficiency as described in above-mentioned any one, specifically as described above.Refer to Fig. 4, arrow is depicted as the propagation path of light.Described backlight module operationally, owing to have employed the above-mentioned lamp bar structure forming rectangular uniform light efficiency, the light that illuminator 200 sends through reflection part 300 reflect and optics 100 refraction after, optical module 400 is injected with approximately perpendicular angle, the light not only making illuminator 200 send is even, and decrease the scattering of light, improve the utilization rate of backlight module to light.
Wherein, described backlight module is preferably down straight aphototropism mode set, when 32 cun of straight-down negative modules carry out contrast test, adopts the lamp bar structure of the present embodiment, and its subjectivity is better than adopting the subjectivity of conventional lights bar structure to look effect depending on effect.
Based on the embodiment of above-mentioned backlight module, the present invention also provides a kind of embodiment of liquid crystal indicator.
Described liquid crystal indicator, it comprises: backlight module, and described backlight module adopts backlight module as described above, as detailed above.Wherein, described liquid crystal indicator is preferably LCD TV or liquid crystal display.
In sum, a kind of lamp bar structure, backlight module and display unit forming rectangular uniform light efficiency provided by the present invention, adopts unique optical texture design, reduces the usage quantity of LED, reach the object reduced costs.
Should be understood that, application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (10)
1. can form a lamp bar structure for rectangular uniform light efficiency, it is characterized in that, comprising: optics, be vertically set on the illuminator at described optics two ends, and be horizontally set on the reflection part bottom described optics;
There is refraction and reflection in the light that described illuminator produces, and reflected to assigned direction by described reflection part in described optics.
2. the lamp bar structure forming rectangular uniform light efficiency according to claim 1, is characterized in that, described optics is a column light-strip, and its cross section is half elliptic.
3. the lamp bar structure forming rectangular uniform light efficiency according to claim 1, it is characterized in that, described illuminator is LED lamp bead.
4. the lamp bar structure of the formed rectangular uniform light efficiency according to claim 1 or 3, is characterized in that, the optical wavelength of described illuminator injection is 550nm.
5. according to claim 1ly form rectangular light beam and light efficiency uniform lamp bar structure, it is characterized in that, described reflection part is be attached at the reflector plate bottom described optics.
6. according to claim 1ly form rectangular light beam and light efficiency uniform lamp bar structure, it is characterized in that, described reflection part is the high reverse--bias ink layer be coated on bottom described optics.
7. a backlight module, comprising: backboard, and the LED lamp bar be successively set on described backboard and optical module, it is characterized in that, described LED lamp bar adopts the lamp bar structure of the formed rectangular uniform light efficiency as described in any one of claim 1 to 6.
8. backlight module according to claim 7, is characterized in that, described backlight module is down straight aphototropism mode set.
9. a liquid crystal indicator, comprising: backlight module, it is characterized in that, described backlight module adopts backlight module as claimed in claim 7 or 8.
10. liquid crystal indicator according to claim 9, is characterized in that, described liquid crystal indicator is LCD TV or liquid crystal display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510492375.9A CN105065994A (en) | 2015-08-12 | 2015-08-12 | Lamp strip structure capable of forming rectangular and uniform luminous effect, backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510492375.9A CN105065994A (en) | 2015-08-12 | 2015-08-12 | Lamp strip structure capable of forming rectangular and uniform luminous effect, backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105065994A true CN105065994A (en) | 2015-11-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510492375.9A Pending CN105065994A (en) | 2015-08-12 | 2015-08-12 | Lamp strip structure capable of forming rectangular and uniform luminous effect, backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105065994A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106322243A (en) * | 2016-10-13 | 2017-01-11 | 惠科股份有限公司 | Display device and backlight module |
| CN109859620A (en) * | 2019-03-11 | 2019-06-07 | 京东方科技集团股份有限公司 | Backlight module and display device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201858599U (en) * | 2010-10-11 | 2011-06-08 | 英飞特光电（杭州）有限公司 | Light guide pipe and light source |
| WO2012111867A1 (en) * | 2011-02-17 | 2012-08-23 | Oh Se-Young | Lighting using optical fiber |
| CN203718635U (en) * | 2014-01-21 | 2014-07-16 | 同方光电（沈阳）有限公司 | LED (light emitting diode) backlight direct-lighting type luminous source device |
| CN104728668A (en) * | 2013-12-19 | 2015-06-24 | 三星显示有限公司 | Backlight unit and display apparatus having the same |
-
2015
- 2015-08-12 CN CN201510492375.9A patent/CN105065994A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201858599U (en) * | 2010-10-11 | 2011-06-08 | 英飞特光电（杭州）有限公司 | Light guide pipe and light source |
| WO2012111867A1 (en) * | 2011-02-17 | 2012-08-23 | Oh Se-Young | Lighting using optical fiber |
| CN104728668A (en) * | 2013-12-19 | 2015-06-24 | 三星显示有限公司 | Backlight unit and display apparatus having the same |
| CN203718635U (en) * | 2014-01-21 | 2014-07-16 | 同方光电（沈阳）有限公司 | LED (light emitting diode) backlight direct-lighting type luminous source device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106322243A (en) * | 2016-10-13 | 2017-01-11 | 惠科股份有限公司 | Display device and backlight module |
| CN106322243B (en) * | 2016-10-13 | 2019-06-18 | 惠科股份有限公司 | Display device and backlight module |
| CN109859620A (en) * | 2019-03-11 | 2019-06-07 | 京东方科技集团股份有限公司 | Backlight module and display device |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151118 |
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| RJ01 | Rejection of invention patent application after publication |