CN104566042A - Light bar structure, backlight module and display device - Google Patents
Light bar structure, backlight module and display device Download PDFInfo
- Publication number
- CN104566042A CN104566042A CN201510037301.6A CN201510037301A CN104566042A CN 104566042 A CN104566042 A CN 104566042A CN 201510037301 A CN201510037301 A CN 201510037301A CN 104566042 A CN104566042 A CN 104566042A
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- CN
- China
- Prior art keywords
- reflection unit
- bar structure
- lamp bar
- light emitting
- emitting diode
- 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
Links
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000005336 cracking Methods 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000004904 shortening Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 5
- 239000011521 glass Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241001025261 Neoraja caerulea Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
-
- 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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/0058—Reflectors for light sources adapted to cooperate with light sources of shapes different from point-like or linear, e.g. circular light sources
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
-
- 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
- F21Y2101/00—Point-like light sources
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention provides a light bar structure, a backlight module and a display device. The light bar structure comprises a circuit board, a plurality of LEDs and a plurality of quantum tubes; the LEDs are disposed on the circuit board according to a preset sequence; the quantum tubes are in one-to-one correspondence with the LEDs. The light bar structure, the backlight module and the display device according to the technical scheme have the advantages that the mechanical strength of the quantum tubes can be improved at the premise of meeting the requirement on high color gamut by shortening the quantum tubes, cracking or breakage of the quantum tubes is avoided and maintenance cost of light bars is decreased.
Description
Technical field
The present invention relates to Display Technique field, specifically can relate to a kind of lamp bar structure, backlight module and display unit.
Background technology
In order to improve the colour gamut of flat panel display product, in prior art, occurring in back light module unit structure, having adopted the technical solution that quanta point material realizes.
Fig. 1, quantum pipe light-emitting diode light bar (QD-LEDbar) structural representation for using in existing back light module unit structure, specifically can comprise in this QD-LED bar: strip quantum pipe 11 (glass tube of in-built quanta point material), reflector 12, blue-ray LED 13 and circuit board (PCB) 14.
Due in existing QD-LED bar structure, quantum pipe 11 covers in whole piece LED lamp bar, and single quantum pipe 11 longer dimension, therefore cause the mechanical strength of quantum pipe 11 poor, easily occur the problem such as slight crack, fracture, and quantum pipe 11 replacement cost is higher.
Summary of the invention
The invention provides a kind of lamp bar structure, backlight module and display unit, the mechanical strength of quantum pipe can be improved, avoid quantum pipe to occur the situation of slight crack, fracture, reduce lamp bar maintenance cost.
The invention provides scheme as follows:
Embodiments provide a kind of lamp bar structure, comprise circuit board, and be arranged at intervals at the multiple light emitting diodes on circuit board by preset order, also comprise:
Multiple quantum pipe;
Described light emitting diode and described quantum pipe one_to_one corresponding are arranged.
Preferably, described lamp bar structure also comprises:
At least one for light collection that light emitting diode is launched to the reflection unit of corresponding quantum pipe.
Preferably, when described reflection unit is multiple, multiple reflection unit and multiple quantum pipe one_to_one corresponding are arranged;
One quantum pipe is placed in corresponding reflection unit.
Preferably, the bottom of described reflection unit is provided with through hole, and described light emitting diode is placed in described through hole.
Preferably, the area of described through hole and shape are identical with shape with the area of described light emitting diode.
Preferably, be provided with Unidirectional transparent district bottom described reflection unit, described transparent area is injected in described reflection unit for the light making described light emitting diode and send.
Preferably, described reflection unit is provided with the fixing pin for fixing described reflection unit near the side of circuit board;
Described circuit board is provided with the fixing hole corresponding with described fixing pin.
Preferably, described light emitting diode is SMD blue light-emitting diode.
The embodiment of the present invention additionally provides a kind of backlight module, and this backlight module specifically can comprise the lamp bar structure that the invention described above embodiment provides.
The embodiment of the present invention additionally provides a kind of display unit, and this display unit specifically can comprise the backlight module that the invention described above embodiment provides.
As can be seen from the above, lamp bar structure provided by the invention, backlight module and display unit, specifically can comprise circuit board in this lamp bar structure, be arranged at intervals at the multiple light emitting diodes on circuit board by preset order, and multiple quantum pipe arranged with light emitting diode one_to_one corresponding.The technical scheme that the embodiment of the present invention provides, by reducing the length of quantum pipe, thus when meeting high colour gamut and requiring, can improve the mechanical strength of quantum pipe, avoiding quantum pipe to occur the situation of slight crack, fracture, reducing lamp bar maintenance cost.
Accompanying drawing explanation
Fig. 1 is prior art schematic diagram one;
The lamp bar structural representation one that Fig. 2 provides for the embodiment of the present invention;
The lamp bar structural representation two that Fig. 3 provides for the embodiment of the present invention;
The lamp bar structural representation three that Fig. 4 provides for the embodiment of the present invention;
The lamp bar structural representation four that Fig. 5 provides for the embodiment of the present invention;
The lamp bar structural representation five that Fig. 6 provides for the embodiment of the present invention.
Detailed description of the invention
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing of the embodiment of the present invention, the technical scheme of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is a part of embodiment of the present invention, instead of whole embodiments.Based on described embodiments of the invention, the every other embodiment that those of ordinary skill in the art obtain, all belongs to the scope of protection of the invention.
Unless otherwise defined, technical term used herein or scientific terminology should be in field belonging to the present invention the ordinary meaning that the personage with general technical ability understands." first ", " second " that use in patent application specification of the present invention and claims and similar word do not represent any order, quantity or importance, and are only used to distinguish different parts.Equally, the similar word such as " " or " " does not represent that quantity limits yet, but represents to there is at least one." connection " or " being connected " etc. similar word be not defined in physics or the connection of machinery, no matter but can comprise electrical connection, be direct or indirectly." on ", D score, "left", "right" etc. only for representing relative position relation, when be described object absolute position change after, then this relative position relation also correspondingly changes.
Embodiments provide a kind of lamp bar structure, as shown in Figure 2, this lamp bar structure specifically can comprise circuit board (PCB) 21, and is arranged at intervals at the multiple light emitting diodes (LED) 22 on circuit board 21 by preset order, also comprises:
Multiple quantum pipe 23;
Light emitting diode 22 and quantum pipe 23 one_to_one corresponding are arranged.
The lamp bar structure that the embodiment of the present invention provides, adopt many quantum pipes 23 (filling quanta point material in glass tube), to meet the high colour gamut requirement of display unit, the length of the quantum pipe 23 involved by the embodiment of the present invention is less, therefore, single quantum pipe 23 has higher mechanical strength, generation quantum pipe 23 can be avoided to occur the situation of slight crack or fracture, and when needs replacing problem quantum pipe 23, only need replace corresponding problem quantum pipe 23, therefore can reduce the maintenance cost of lamp bar.
In the embodiment of the present invention, lamp bar structure specifically can also comprise:
At least one for light collection that light emitting diode 22 is launched to the reflection unit 24 of corresponding quantum pipe 23.
As shown in Fig. 3 (side view), 4 (top views), in the lamp bar structure that the embodiment of the present invention provides, multiple reflection unit 24 can be set, in one embodiment, multiple reflection unit 24 is arranged with multiple quantum pipe 23 one_to_one corresponding, thus realize the light collection launched by the light emitting diode 22 quantum pipe 23 to this light emitting diode 22 correspondence, to meet the high colour gamut requirement to display unit.
Reflection unit 24 involved by the embodiment of the present invention specifically can have cup-shaped or bowl-shape contour structures, and the quantum pipe 23 involved by the embodiment of the present invention specifically can be placed in corresponding reflection unit 24, namely quantum pipe by reflection unit 24 around, to realize utilizing reflection unit 24 to realize the convergence of light.
In one embodiment, the height of the side of reflection unit 24 can higher than the height of quantum pipe 23, and namely quantum pipe 23 is arranged at the inside of reflection unit 24.And in other embodiments, the side height of reflection unit 24 also can be made to be equal to or less than the height of quantum pipe 23.
In addition, as shown in Figure 5, in the lamp bar structure that the embodiment of the present invention provides, a reflection unit 24 can be only set, namely many miniature quantum pipes 23 involved by the embodiment of the present invention are all placed in a reflection unit 24, thus reduce the magnitude setting of emitter 24, simplify the manufacture craft of lamp bar.
In the embodiment of the present invention, the bottom of reflection unit 24 can be provided with through hole 25, like this, light emitting diode 22 can be made to be placed in through hole 25, contact on circuit board 21 to make other regions, the bottom of reflection unit 24, namely in the embodiment of the present invention, emitter 24 can cover on light emitting diode 22, with the light collection realizing light emitting diode 22 to launch to the quantum pipe 23 be placed in reflection unit 24.
The area of the through hole 25 set by emitter 24 and shape, specifically can be identical with shape with the area of light emitting diode 22.Like this, when reflection unit 24 covers on light emitting diode 22, reflection unit 24 can be made to engage with light emitting diode 22, light emitting diode 22 involved by the embodiment of the present invention, specifically can be SMD blue light-emitting diode (model is not limit), and namely light emitting diode 22 is fitted on circuit board 21, therefore, by the snap action between reflection unit 24 and light emitting diode 22, reflection unit 24 is fixed, avoids reflection unit 24 that obscission occurs.
When arranging multiple reflection unit 24 in the embodiment of the present invention, the bottom of each reflection unit 24 all can be provided with through hole 25.And when only arranging a reflection unit 24 in the embodiment of the present invention, then the corresponding position of this reflection unit 24, can arrange multiple through hole 25, cover to make reflection unit 24 light emitting diode 22 that multiple circuit board 21 is arranged simultaneously.
In another specific embodiment, bottom the reflection unit 24 involved by the embodiment of the present invention, through hole 25 can not be set, and be provided with Unidirectional transparent district (accompanying drawing is not shown).Why be Unidirectional transparent district, be because the light that such vibrational power flow not only can make light emitting diode 22 send is injected in reflection unit 24, also do not affect the function of the light collection of emitter 24.
In order to realize being fixedly installed of reflection unit 24, as shown in Figure 6, in the embodiment of the present invention, also can be provided with fixing pin 26 for fixation reflex device 24 near the side of circuit board 21 at reflection unit 24, meanwhile, circuit board 21 corresponding position is provided with the fixing hole 27 corresponding with fixing pin 26, like this, by making fixing pin 26 insert in fixing hole 27, be fixedly installed on circuit board 21 to make reflection unit 24.
It should be noted that the cabling of circuit board 21 need be avoided fixing hole 27 and arrange, during to avoid forming fixing hole 27 on circuit board 21, destroy cabling.
In one embodiment, reflection unit 24 is arranged near the side of circuit board 21 specifically four fixing pins 26, and the material of fixing pin 26 specifically can be isolation material.
The embodiment of the present invention additionally provides a kind of backlight module, and this backlight module specifically can comprise the lamp bar structure that the invention described above embodiment provides.
The embodiment of the present invention additionally provides a kind of display unit, and this display unit specifically can comprise the backlight module that the invention described above embodiment provides.
As can be seen from the above, lamp bar structure provided by the invention, backlight module and display unit, specifically can comprise circuit board in this lamp bar structure, be arranged at intervals at the multiple light emitting diodes on circuit board by preset order, and multiple quantum pipe arranged with light emitting diode one_to_one corresponding.The technical scheme that the embodiment of the present invention provides, by reducing the length of quantum pipe, thus when meeting high colour gamut and requiring, can improve the mechanical strength of quantum pipe, avoiding quantum pipe to occur the situation of slight crack, fracture, reducing lamp bar maintenance cost.
The above is only embodiments of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a lamp bar structure, comprises circuit board, and is arranged at intervals at the multiple light emitting diodes on circuit board by preset order, it is characterized in that, also comprises:
Multiple quantum pipe;
Described light emitting diode and described quantum pipe one_to_one corresponding are arranged.
2. lamp bar structure as claimed in claim 1, is characterized in that, also comprise:
At least one for light collection that light emitting diode is launched to the reflection unit of corresponding quantum pipe.
3. lamp bar structure as claimed in claim 2, it is characterized in that, when described reflection unit is multiple, multiple reflection unit and multiple quantum pipe one_to_one corresponding are arranged;
One quantum pipe is placed in corresponding reflection unit.
4. lamp bar structure as claimed in claim 3, it is characterized in that, the bottom of described reflection unit is provided with through hole, and described light emitting diode is arranged in described through hole.
5. lamp bar structure as claimed in claim 4, is characterized in that, the area of described through hole and shape, identical with shape with the area of described light emitting diode.
6. lamp bar structure as claimed in claim 3, is characterized in that, be provided with Unidirectional transparent district bottom described reflection unit, and described transparent area is injected in described reflection unit for the light making described light emitting diode and send.
7. the lamp bar structure as described in any one of claim 1-6, is characterized in that, described reflection unit is provided with the fixing pin for fixing described reflection unit near the side of circuit board;
Described circuit board is provided with the fixing hole corresponding with described fixing pin.
8. lamp bar structure as claimed in claim 1, it is characterized in that, described light emitting diode is SMD blue light-emitting diode.
9. a backlight module, is characterized in that, comprises the lamp bar structure as described in any one of claim 1 to 8.
10. a display unit, is characterized in that, comprises backlight module as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510037301.6A CN104566042A (en) | 2015-01-23 | 2015-01-23 | Light bar structure, backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510037301.6A CN104566042A (en) | 2015-01-23 | 2015-01-23 | Light bar structure, backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104566042A true CN104566042A (en) | 2015-04-29 |
Family
ID=53082756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510037301.6A Pending CN104566042A (en) | 2015-01-23 | 2015-01-23 | Light bar structure, backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104566042A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105116610A (en) * | 2015-09-22 | 2015-12-02 | 深圳市华星光电技术有限公司 | Backlight module |
| CN113643624A (en) * | 2021-08-17 | 2021-11-12 | 吴敏君 | LED lamp bead and LED display screen |
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| CN204062961U (en) * | 2014-08-22 | 2014-12-31 | 深圳市友亿成照明有限公司 | LED wall wash lamp |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20150429 |