CN109541852A - Lamp bar component, backlight module and display device - Google Patents
Lamp bar component, backlight module and display device Download PDFInfo
- Publication number
- CN109541852A CN109541852A CN201910015227.6A CN201910015227A CN109541852A CN 109541852 A CN109541852 A CN 109541852A CN 201910015227 A CN201910015227 A CN 201910015227A CN 109541852 A CN109541852 A CN 109541852A
- Authority
- CN
- China
- Prior art keywords
- lamp bar
- printed circuit
- circuit board
- backlight module
- bar printed
- 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
-
- 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
-
- 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
- G02F1/133612—Electrical details
Abstract
The present invention provides a kind of lamp bar component, backlight module and display devices, belong to field of display technology.Wherein, lamp bar component, including multiple mutually nested lamp bar printed circuit boards, multiple mutually independent luminescence units are provided on each lamp bar printed circuit board, the luminescence unit of multiple lamp bar printed circuit boards is generally aligned in the same plane and is arranged in a row, and two adjacent luminescence units are located on different lamp bar printed circuit boards.Technical solution of the present invention can reduce the spacing between luminescence unit, and it is bad to improve hotspot.
Description
Technical field
The present invention relates to field of display technology, a kind of lamp bar component, backlight module and display device are particularly related to.
Background technique
In display module increasingly developed today, the frame of display module is more and more narrow, in this way for being carried on the back using side entering type
For the display module of light source, lamp bar constantly shortens at a distance from viewing area, and hotspot risk is increasing, improves hotspot
Bad generally there are two types of modes, first is that the site to light guide plate is adjusted, second is that shortening the spacing in lamp bar between LED.But
It is that cost of implementation that light guide plate mesh point is adjusted is very high, therefore, shortens the spacing between LED and LED, allow as far as possible a little
Light source becomes linear light source just into extremely urgent problem.Currently in order to reduce LED welding when company's tin risk, LED it
Between spacing be at least 0.9mm.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of lamp bar component, backlight module and display devices, can reduce
It is bad to improve hotspot for spacing between luminescence unit.
In order to solve the above technical problems, the embodiment of the present invention offer technical solution is as follows:
On the one hand, a kind of lamp bar component is provided, including multiple mutually nested lamp bar printed circuit boards, each lamp bar
Multiple mutually independent luminescence units are provided on printed circuit board, the luminescence unit of multiple lamp bar printed circuit boards is located at
It same plane and is arranged in a row, and two adjacent luminescence units are located on different lamp bar printed circuit boards.
Further, the lamp bar component includes the first lamp bar printed circuit board and the second lamp bar printed circuit board, described
First lamp bar printed circuit board includes the first printed circuit board ontology and positioned at the more of the first printed circuit board ontology side
A mutually independent first lug boss, luminescence unit and first lug boss on the first lamp bar printed circuit board are one by one
It corresponds to and is located on corresponding first lug boss, the second lamp bar printed circuit board includes the second printed circuit board ontology and position
Multiple mutually independent second concave parts in the second printed circuit board ontology side, first lug boss and described the
Two concave parts correspond, and each first boss is in corresponding second concave part.
Further, the spacing between the adjacent luminescence unit is not more than 0.4mm.
Further, the end of each lamp bar printed circuit board is provided with multiple connecting pins, each connecting pin
It is connect by connection cabling with the luminescence unit.
Further, in each lamp bar printed circuit board, the connecting pin includes that anode connection terminal is connected with cathode
End, the first electrode parallel connection of all luminescence units are connect with the anode connection terminal, and the second electrode of all luminescence units is in parallel
It is connect with the cathode connecting pin, the anode connection terminal of different lamp bar printed circuit boards is connected by conductive structure, and different lamps
The cathode connecting pin of printed circuit board passes through conductive structure and connects.
Further, the conductive structure is conducting resinl.
The embodiment of the invention also provides a kind of backlight modules, including above-mentioned lamp bar component.
Further, the backlight module further includes light guide plate, and plane where the lamp bar printed circuit board is led with described
Plane where tabula rasa is vertically arranged, lateral incidence surface of the light-emitting surface of the luminescence unit towards the light guide plate, the lamp bar
Printed circuit board is fixed on the lateral incidence surface of the light guide plate by lamp bar glue.
Further, the conducting resinl is a part of the lamp bar glue.
The embodiment of the invention also provides a kind of display devices, including above-mentioned backlight module.
The embodiment of the present invention has the advantages that
In above scheme, two adjacent luminescence units are located on different lamp bar printed circuit boards, due to different lamps
Printed circuit board is fabricated separately, therefore there is no even tin risk between two adjacent luminescence units, can will be adjacent
Two luminescence units between line space design it is smaller, the spacing between two adjacent luminescence units is reduced, to change
Kind hotspot is bad.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing lamp bar；
Fig. 2 is the schematic cross-section of existing lamp bar；
Fig. 3 is the structural schematic diagram of lamp bar of embodiment of the present invention component；
Fig. 4 is the schematic cross-section of lamp bar of embodiment of the present invention component；
Fig. 5 is the schematic diagram of lamp bar of embodiment of the present invention glue；
Fig. 6 is another schematic diagram of lamp bar of embodiment of the present invention component.
Appended drawing reference
1 lamp bar
11 LED
2 substrates
3 joint adhesives
4 cover films
5 green oils
6 pads
7 first lamp bar printed circuit boards
71 first luminescence units
8 second lamp bar printed circuit boards
81 second luminescence units
9 first lamp bar glue
10 second lamp bar glue
11 first connecting pins
12 second connection ends
Specific embodiment
To keep the embodiment of the present invention technical problems to be solved, technical solution and advantage clearer, below in conjunction with
Drawings and the specific embodiments are described in detail.
Fig. 1 is the structural schematic diagram of existing lamp bar, as shown in Figure 1, being provided in lamp bar 1 multiple be intervally arranged
LED11, adjacent LED cannot be apart from too closely, i.e., LED GAP cannot be arranged too small, and LED is otherwise being welded to lamp bar printing electricity
The company's of being easy to appear tin risk during the plate of road leads to lamp bar printed circuit board because short circuit can not work normally.
Fig. 2 is schematic cross-section of the existing lamp bar along extending direction, wherein 2 be the substrate of lamp bar printed circuit board, can be with
Conductive layer including two layers of dielectric base and between two layers of dielectric base, LED is for being welded on lamp bar printing electricity by 6
Pad on the plate of road connects tin in order to prevent, there is provision of insulation other than the green oil 5 of setting insulation between two pads 6
Cover film 4 guarantees the insulation between adjacent LED, wherein cover film 4 is pasted on a substrate 2 by joint adhesive 3.Such as Fig. 2 institute
Show, the minimum 0.5mm of forming width d1 of cover film 4, the minimum 0.2mm of width d2 of green oil 5, therefore between existing LED
Spacing is at least 0.5mm+0.2mm+0.2mm=0.9mm.
The embodiment of the present invention provides a kind of lamp bar component, backlight module and display device, can reduce luminescence unit it
Between spacing, improve hotspot it is bad.
The embodiment of the present invention provides a kind of lamp bar component, each including multiple mutually nested lamp bar printed circuit boards
Multiple mutually independent luminescence units are provided on the lamp bar printed circuit board, multiple lamp bar printed circuit boards shine
Unit is generally aligned in the same plane and is arranged in a row, and two adjacent luminescence units are located at different lamp bar printed circuit boards
On.
In the present embodiment, two adjacent luminescence units are located on different lamp bar printed circuit boards, due to different lamps
Printed circuit board is fabricated separately, therefore there is no even tin risk between two adjacent luminescence units, can will be adjacent
Two luminescence units between line space design it is smaller, the spacing between two adjacent luminescence units is reduced, to change
Kind hotspot is bad.
In one specific embodiment, as shown in figure 3, the lamp bar component includes the first lamp bar printed circuit board 7 and the second lamp
Printed circuit board 8, the first lamp bar printed circuit board 7 include the first printed circuit board ontology and are located at first printing
Multiple mutually independent first lug bosses of circuit board body side, the luminescence unit on the first lamp bar printed circuit board 7
71 correspond with first lug boss and are located on corresponding first lug boss, the first lamp bar printed circuit board 7
Be formed as the first concave part between adjacent first lug boss；The second lamp bar printed circuit board 8 includes the second printed circuit board
Ontology and multiple mutually independent second concave parts positioned at the second printed circuit board ontology side, the second lamp bar printing electricity
Be formed as the second lug boss between adjacent second concave part of road plate 8, the luminescence unit 81 on the second lamp bar printed circuit board 8 with
Second lug boss corresponds and is located on corresponding second lug boss.
As shown in figure 3, the second of the first lug boss of the first lamp bar printed circuit board 7 and the second lamp bar printed circuit board 8
Concave part corresponds, the second protrusion of the first concave part of the first lamp bar printed circuit board 7 and the second lamp bar printed circuit board 8
Portion corresponds.Every one first boss is in corresponding second concave part, and every one second boss is in corresponding first
In concave part, the hair that can make on the first lamp bar printed circuit board 7 is designed by the size to lug boss and concave part
Luminescence unit 81 in light unit 71 and the second lamp bar printed circuit board 8 is arranged on same row, is applied in this way in lamp bar aobvious
When showing mould group, uniform light can be provided for display module.
Specifically, luminescence unit can use LED.
Fig. 4 is in lamp bar of embodiment of the present invention component, the first lug boss of the first lamp bar printed circuit board 7 and adjacent the
Schematic cross-section of second concave part of two lamp bar printed circuit boards 8 on 7 extending direction of the first lamp bar printed circuit board.It is making
It is that LED is welded on the first lamp bar printed circuit board 7 and the second lamp bar printed circuit board 8 respectively, then when making lamp bar component
Lamp bar component is assembled into using the first lamp bar printed circuit board 7 and the second lamp bar printed circuit board 8.Due to two adjacent pads
6 are located on different lamp bar printed circuit boards, and therefore, there is no even tin phenomenons by two adjacent LED, therefore can save
Only green oil 5 is arranged in 6 two sides of pad in the cover film of 0.5mm width, therefore, can will be between two adjacent LED
Away from 0.2mm+0.2mm=0.4mm is foreshortened to, the spacing between two adjacent luminescence units is significantly reduced, so as to improve
Hotspot is bad.
Further, the size of green oil 5 can also be reduced, can be decreased to less than the spacing between adjacent LED in this way
0.4mm。
Further, the end of each lamp bar printed circuit board is provided with multiple connecting pins, each connecting pin
It is connect by connection cabling with the luminescence unit.Specifically, the conductive layer of substrate may include a plurality of connection cabling, Mei Yifa
Light unit passes through connection cabling respectively and connect with connecting pin.
Specifically, in each lamp bar printed circuit board, the connecting pin includes anode connection terminal and cathode connecting pin,
The first electrode parallel connection of all luminescence units is connect with the anode connection terminal, the second electrode parallel connection of all luminescence units and institute
The connection of cathode connecting pin is stated, it is luminous in order to realize while driving the luminescence unit on all lamp bar printed circuit boards to carry out, no
Anode connection terminal with lamp bar printed circuit board is connected by conductive structure, and the cathode connecting pin of different lamp bar printed circuit boards
It is connected by conductive structure.
Specifically, the conductive structure can use conducting resinl, and certainly, conductive structure is not limited to using conducting resinl,
It can also be using metal etc..
When lamp bar component is applied to backlight module, lamp bar printed circuit board is needed through lamp bar glue laminating in light guide plate
On incidence surface, in order to simplify the structure of backlight module, lamp bar glue can be designed as to conduction, connect difference using lamp bar glue
The anode connection terminal of the cathode connecting pin of lamp bar printed circuit board and different lamp bar printed circuit boards.
Specifically, as shown in figure 5, lamp bar component further includes the first lamp bar glue 9 and the second lamp bar glue 10, the first lamp bar glue 9
The first lamp bar printed circuit board 7 to be fitted on the incidence surface of light guide plate, the second lamp bar glue 10 is to print the second lamp bar
Printed circuit board 8 is fitted on the incidence surface of light guide plate.Wherein, the ontology of the first lamp bar glue 9 including strip and it is located at body end
The protrusion in portion, wherein the ontology of strip is used to for the first lamp bar printed circuit board 7 being fitted in the incidence surface of light guide plate, convex
Play the cathode connecting pin to connect different lamp bar printed circuit boards；Second lamp bar glue 10 includes the ontology of strip and is located at this
The protrusion in body end portion, wherein the ontology of strip is used to for the second lamp bar printed circuit board 8 being fitted in the incidence surface of light guide plate
On, anode connection terminal of the protrusion to connect different lamp bar printed circuit boards.Alternatively, the first lamp bar glue 9 includes the sheet of strip
Body and protrusion positioned at body end, wherein the ontology of strip is used to the first lamp bar printed circuit board 7 being fitted in light guide plate
Incidence surface on, protrusion is to connect the anode connection terminals of different lamp bar printed circuit boards；Second lamp bar glue 10 includes strip
Ontology and protrusion positioned at body end, wherein the ontology of strip is led for the second lamp bar printed circuit board 8 to be fitted in
On the incidence surface of tabula rasa, cathode connecting pin of the protrusion to connect different lamp bar printed circuit boards.
As shown in fig. 6, being provided with first in the end of the first lamp bar printed circuit board 7 and the second lamp bar printed circuit board 8
Connecting pin 11 is provided with second connection end 12 in the end of the first lamp bar printed circuit board 7 and the second lamp bar printed circuit board 8,
Wherein, the first connecting pin 11 can be one in anode connection terminal and cathode connecting pin, and second connection end 12 can be anode
Another in connecting pin and cathode connecting pin.
After the first lamp bar printed circuit board 7 and the second lamp bar printed circuit board 8 are combined, by the first lamp bar glue 9
It is fitted on the first lamp bar printed circuit board 7, the position for adjusting the first lamp bar glue 9 is paid attention to, so that the raised energy of the first lamp bar glue 9
Enough connect two the first connecting pins 11；Second lamp bar glue 10 is fitted on the second lamp bar printed circuit board 8, pays attention to adjustment second
The position of lamp bar glue 10 enables the protrusion of the second lamp bar glue 10 to connect two second connection ends 12.It is worth noting that, being
To keep insulation between LED, the second lamp bar glue 10 and the first lamp bar glue 9 are insulated from each other, be mutually not connected to.
The embodiment of the invention also provides a kind of backlight modules, including above-mentioned lamp bar component.The lamp bar group of the present embodiment
In part, two adjacent luminescence units are located on different lamp bar printed circuit boards, since different lamp bar printed circuit boards is
It is fabricated separately, therefore there is no even tin risk between two adjacent luminescence units, it can be by two adjacent luminescence units
Between line space design it is smaller, reduce the spacing between two adjacent luminescence units, it is bad so as to improve hotspot.
Further, the backlight module is side entrance back module, and backlight module further includes light guide plate, the lamp bar print
Plane where printed circuit board and light guide plate place plane are vertically arranged, and the light-emitting surface of the luminescence unit is towards the leaded light
The lateral incidence surface of plate, the lamp bar printed circuit board are fixed on the lateral incidence surface of the light guide plate by lamp bar glue.
Further, the end of each lamp bar printed circuit board is provided with multiple connecting pins, each connecting pin
It is connect by connection cabling with the luminescence unit.Specifically, the conductive layer of substrate may include a plurality of connection cabling, Mei Yifa
Light unit passes through connection cabling respectively and connect with connecting pin.
Specifically, in each lamp bar printed circuit board, the connecting pin includes anode connection terminal and cathode connecting pin,
The first electrode parallel connection of all luminescence units is connect with the anode connection terminal, the second electrode parallel connection of all luminescence units and institute
The connection of cathode connecting pin is stated, it is luminous in order to realize while driving the luminescence unit on all lamp bar printed circuit boards to carry out, no
Anode connection terminal with lamp bar printed circuit board is connected by conductive structure, and the cathode connecting pin of different lamp bar printed circuit boards
It is connected by conductive structure.
Specifically, the conductive structure can use conducting resinl, and certainly, conductive structure is not limited to using conducting resinl,
It can also be using metal etc..
When lamp bar component is applied to backlight module, lamp bar printed circuit board is needed through lamp bar glue laminating in light guide plate
On incidence surface, in order to simplify the structure of backlight module, lamp bar glue can be designed as to conduction, connect difference using lamp bar glue
The anode connection terminal of the cathode connecting pin of lamp bar printed circuit board and different lamp bar printed circuit boards.
Specifically, as shown in figure 5, lamp bar component further includes the first lamp bar glue 9 and the second lamp bar glue 10, the first lamp bar glue 9
The first lamp bar printed circuit board 7 to be fitted on the incidence surface of light guide plate, the second lamp bar glue 10 is to print the second lamp bar
Printed circuit board 8 is fitted on the incidence surface of light guide plate.Wherein, the ontology of the first lamp bar glue 9 including strip and it is located at body end
The protrusion in portion, wherein the ontology of strip is used to for the first lamp bar printed circuit board 7 being fitted in the incidence surface of light guide plate, convex
Play the cathode connecting pin to connect different lamp bar printed circuit boards；Second lamp bar glue 10 includes the ontology of strip and is located at this
The protrusion in body end portion, wherein the ontology of strip is used to for the second lamp bar printed circuit board 8 being fitted in the incidence surface of light guide plate
On, anode connection terminal of the protrusion to connect different lamp bar printed circuit boards.Alternatively, the first lamp bar glue 9 includes the sheet of strip
Body and protrusion positioned at body end, wherein the ontology of strip is used to the first lamp bar printed circuit board 7 being fitted in light guide plate
Incidence surface on, protrusion is to connect the anode connection terminals of different lamp bar printed circuit boards；Second lamp bar glue 10 includes strip
Ontology and protrusion positioned at body end, wherein the ontology of strip is led for the second lamp bar printed circuit board 8 to be fitted in
On the incidence surface of tabula rasa, cathode connecting pin of the protrusion to connect different lamp bar printed circuit boards.
As shown in fig. 6, being provided with first in the end of the first lamp bar printed circuit board 7 and the second lamp bar printed circuit board 8
Connecting pin 11 is provided with second connection end 12 in the end of the first lamp bar printed circuit board 7 and the second lamp bar printed circuit board 8,
Wherein, the first connecting pin 11 can be one in anode connection terminal and cathode connecting pin, and second connection end 12 can be anode
Another in connecting pin and cathode connecting pin.
After the first lamp bar printed circuit board 7 and the second lamp bar printed circuit board 8 are combined, by the first lamp bar glue 9
It is fitted on the first lamp bar printed circuit board 7, the position for adjusting the first lamp bar glue 9 is paid attention to, so that the raised energy of the first lamp bar glue 9
Enough connect two the first connecting pins 11；Second lamp bar glue 10 is fitted on the second lamp bar printed circuit board 8, pays attention to adjustment second
The position of lamp bar glue 10 enables the protrusion of the second lamp bar glue 10 to connect two second connection ends 12.It is worth noting that, being
To keep insulation between LED, the second lamp bar glue 10 and the first lamp bar glue 9 are insulated from each other, be mutually not connected to.
The embodiment of the invention also provides a kind of display devices, including above-mentioned backlight module.The display device can be with
Are as follows: any products or components having a display function such as LCD TV, liquid crystal display, Digital Frame, mobile phone, tablet computer,
Wherein, the display device further includes flexible circuit board, printed circuit board and backboard.
Unless otherwise defined, the technical term or scientific term that the disclosure uses should be tool in fields of the present invention
The ordinary meaning for thering is the personage of general technical ability to be understood." first ", " second " used in the disclosure and similar word are simultaneously
Any sequence, quantity or importance are not indicated, and are used only to distinguish different component parts." comprising " or "comprising" etc.
Similar word means that the element or object before the word occur covers the element or object for appearing in the word presented hereinafter
And its it is equivalent, and it is not excluded for other elements or object.The similar word such as " connection " or " connected " is not limited to physics
Or mechanical connection, but may include electrical connection, it is either direct or indirectly."upper", "lower",
"left", "right" etc. is only used for indicating relative positional relationship, and after the absolute position for being described object changes, then the relative position is closed
System may also correspondingly change.
It is appreciated that ought such as layer, film, region or substrate etc element be referred to as be located at another element "above" or "below"
When, which " direct " can be located at "above" or "below" another element, or may exist intermediary element.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of lamp bar component, which is characterized in that including multiple mutually nested lamp bar printed circuit boards, each lamp bar print
Multiple mutually independent luminescence units are provided on printed circuit board, the luminescence unit of multiple lamp bar printed circuit boards is located at same
It one plane and is arranged in a row, and two adjacent luminescence units are located on different lamp bar printed circuit boards.
2. lamp bar component according to claim 1, which is characterized in that the lamp bar component includes the first lamp bar printed circuit
Plate and the second lamp bar printed circuit board, the first lamp bar printed circuit board include the first printed circuit board ontology and are located at described
Multiple mutually independent first lug bosses of first printed circuit board ontology side, the hair on the first lamp bar printed circuit board
Light unit corresponds and is located on corresponding first lug boss, the second lamp bar printed circuit board with first lug boss
Including the second printed circuit board ontology and positioned at the multiple mutually independent second recessed of the second printed circuit board ontology side
Groove portion, first lug boss and second concave part correspond, and each first boss is in corresponding institute
It states in the second concave part.
3. lamp bar component according to claim 1, which is characterized in that the spacing between the adjacent luminescence unit is not more than
0.4mm。
4. lamp bar component according to claim 1, which is characterized in that the end of each lamp bar printed circuit board is arranged
There are multiple connecting pins, each connecting pin is connect by connecting cabling with the luminescence unit.
5. lamp bar component according to claim 4, which is characterized in that in each lamp bar printed circuit board, the company
Connecing end includes anode connection terminal and cathode connecting pin, and the first electrode parallel connection of all luminescence units and the anode connection terminal connect
It connects, the second electrode parallel connection of all luminescence units is connect with the cathode connecting pin, and the anode of different lamp bar printed circuit boards is even
It connects end to connect by conductive structure, and the cathode connecting pin of different lamp bar printed circuit boards is connected by conductive structure.
6. lamp bar component according to claim 5, which is characterized in that the conductive structure is conducting resinl.
7. a kind of backlight module, which is characterized in that including lamp bar component described in any one of claims 1-6.
8. backlight module according to claim 7, which is characterized in that the backlight module further includes light guide plate, the lamp
Plane where plane where printed circuit board and the light guide plate is vertically arranged, described in the light-emitting surface direction of the luminescence unit
The lateral incidence surface of light guide plate, the lamp bar printed circuit board are fixed on the lateral incidence surface of the light guide plate by lamp bar glue.
9. backlight module according to claim 8, which is characterized in that including lamp bar component as claimed in claim 6, institute
State a part that conducting resinl is the lamp bar glue.
10. a kind of display device, which is characterized in that including backlight module described in any one of claim 7-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910015227.6A CN109541852A (en) | 2019-01-08 | 2019-01-08 | Lamp bar component, backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910015227.6A CN109541852A (en) | 2019-01-08 | 2019-01-08 | Lamp bar component, backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109541852A true CN109541852A (en) | 2019-03-29 |
Family
ID=65834511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910015227.6A Pending CN109541852A (en) | 2019-01-08 | 2019-01-08 | Lamp bar component, backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109541852A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203533453U (en) * | 2013-09-23 | 2014-04-09 | Tcl光电科技(惠州)有限公司 | PCB and lamp strip with same |
| CN105258027A (en) * | 2015-10-30 | 2016-01-20 | 北京京东方茶谷电子有限公司 | Backlight module and display device |
| CN205174112U (en) * | 2015-10-30 | 2016-04-20 | 北京京东方茶谷电子有限公司 | Backlight module and display device |
| CN108317437A (en) * | 2018-02-12 | 2018-07-24 | 京东方科技集团股份有限公司 | Backlight, backlight module and display device |
-
2019
- 2019-01-08 CN CN201910015227.6A patent/CN109541852A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203533453U (en) * | 2013-09-23 | 2014-04-09 | Tcl光电科技(惠州)有限公司 | PCB and lamp strip with same |
| CN105258027A (en) * | 2015-10-30 | 2016-01-20 | 北京京东方茶谷电子有限公司 | Backlight module and display device |
| CN205174112U (en) * | 2015-10-30 | 2016-04-20 | 北京京东方茶谷电子有限公司 | Backlight module and display device |
| CN108317437A (en) * | 2018-02-12 | 2018-07-24 | 京东方科技集团股份有限公司 | Backlight, backlight module and display device |
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