CN205987474U - Circuit and display module assembly that is shaded are shaded - Google Patents
Circuit and display module assembly that is shaded are shaded Download PDFInfo
- Publication number
- CN205987474U CN205987474U CN201620973741.2U CN201620973741U CN205987474U CN 205987474 U CN205987474 U CN 205987474U CN 201620973741 U CN201620973741 U CN 201620973741U CN 205987474 U CN205987474 U CN 205987474U
- Authority
- CN
- China
- Prior art keywords
- mouth
- fpc
- led line
- backlight
- circuit
- 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.)
- Withdrawn - After Issue
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Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The utility model discloses a circuit and display module assembly that is shaded are shaded wherein is shaded the circuit including setting up the LED circuit on the board that is shaded and set up the mode drive circuit on FPC, the LED circuit includes a mutually independent LED line and the 2nd LED line, mode drive circuit includes series connection drive circuit and parallelly connected drive circuit, be shaded the display module assembly including board and the FPC of being shaded, FPC has two kinds, and the branch maybe a FPC and the 2nd FPC, the board that is shaded from the sun is connected with a FPC or the 2nd FPC electricity, LED line arrangement is on the board that is shaded, a FPC goes up the integrated parallelly connected drive circuit that has, the 2nd FPC goes up the integrated series connection drive circuit that has.
Description
Technical field
This utility model is related to a kind of circuit, especially relates to a kind of backlight circuit and backlight display module.
Background technology
Backlight display module includes backlight and FPC, is provided with LED 1 ', on FPC and this backlight in backlight
Golden finger binds together, and FPC drives LED 1 ' to light.LED 1 ' in existing backlight display module, in backlight
Have series connection and two kinds of connected modes in parallel, as shown in Figure 1, 2, for light have on the FPC of LED just in highest terms with negative pole mouth.According to
When design needs from series LED or parallel connection LED, need to select the backlight display module of different line modes, backlight shows
The commonality of module is poor, and backlight series LED and parallel connection LED select high cost.
Utility model content
The technical problems to be solved in the utility model is the present situation for prior art, provides a kind of backlight circuit, improves
The commonality of backlight display module, reduces backlight series LED and selects cost with parallel connection LED.
This utility model solves the technical scheme that adopted of above-mentioned technical problem:A kind of backlight circuit it is characterised in that:
Including the LED line road being arranged in backlight and be arranged at mode activated circuit, described mode activated circuit and institute on FPC
State the electrical connection of LED line road, described LED line road includes the first separate LED line and the second LED line, described first LED line bag
Include as first LED line positive pole input LEDA1 mouth and as first LED line negative pole output LEDK1 mouth, described second
LED line includes the LEDA2 mouth as the second LED line positive pole input and the LEDK2 mouth as the second LED line negative pole output,
It is connected in series with multiple LED, described pattern between LEDA1 mouth and LEDK1 mouth and between LEDA2 mouth and LEDK2 mouth respectively
Driver circuit has four ports, and described mode activated circuit includes so that the first LED line and the second LED line are connected in series
Tandem drive circuit and make the parallel drive circuit that the first LED line and the second LED line are connected in parallel, described parallel connection
Four ports of driver circuit are respectively the A1 mouth as positive pole, the K1 mouth as negative pole, the first connection jaws and the second connection jaws,
In LED line road is electrically connected with parallel drive circuit, the first connection jaws are electrically connected with LEDA1 mouth, LEDA2 mouth respectively, A1 mouth with
First connection jaws electrical connection, the second connection jaws are electrically connected with LEDK1 mouth, LEDK2 mouth respectively, and K1 mouth is electrically connected with the second connection jaws
Connect, four ports of described tandem drive circuit are respectively the A2 mouth as positive pole, the K2 mouth as negative pole, the 3rd connection jaws and
4th connection jaws, in LED line road is electrically connected with tandem drive circuit, A2 mouth is electrically connected with LEDA1 mouth, the 3rd connection jaws with
LEDK1 mouth electrically connects, and the 3rd connection jaws electrically connect with the 4th connection jaws, and the 4th connection jaws are electrically connected with LEDA2 mouth, K2 and
LEDK2 mouth electrically connects.
Preferably, the LED being connected in series between LEDA1 mouth and LEDK1 mouth and between LEDA2 mouth and LEDK2 mouth
Quantity is identical.
In addition, this utility model provides a kind of backlight display module, including backlight and FPC it is characterised in that:Described
FPC has two types, is a FPC and the 2nd FPC respectively, and described backlight is electrically connected with a FPC or the 2nd FPC, institute
State LED line road to be arranged in backlight, a described FPC is integrated with parallel drive circuit, described 2nd FPC is integrated with string
Connection driver circuit.
Compared with prior art, due to the utility model has the advantage of:This utility model designs two in backlight
The first independent LED line and the second LED line, design four ports, four port the first LED line and the 2nd LED respectively on FPC
Line two ends electrically connect, and the mode activated circuit being integrated on FPC are divided into tandem drive circuit and parallel drive circuit, according to mould
FPC is made two types by the difference of formula driver circuit, when being arranged in pairs or groups from a FPC and backlight, a FPC and backlight
The backlight display module that combination is formed realizes the LED Parallel Design in backlight, when being arranged in pairs or groups with backlight from the 2nd FPC,
The backlight display module that 2nd FPC and backlight sheet combination are formed realizes the LED strip connection design in backlight, this utility model according to
When design needs to selecting between backlight series LED and parallel connection LED, only need to be equipped with different FPC to backlight, carry
The high commonality of backlight display module, greatly reduces and selects cost.
Brief description
Fig. 1 is LED strip connection schematic diagram in existing backlight;
Fig. 2 is LED parallel connection schematic diagram in existing backlight;
Fig. 3 is the design diagram on LED line road in backlight in this utility model embodiment;
Fig. 4 is a backlight conspectus when FPC is arranged in pairs or groups with backlight in this utility model embodiment;
Fig. 5 is backlight conspectus when the 2nd FPC is arranged in pairs or groups with backlight in this utility model embodiment.
Specific embodiment
Below in conjunction with accompanying drawing embodiment, this utility model is described in further detail.
As shown in Fig. 3 is to 5, backlight circuit in this enforcement, including the LED line road being arranged in backlight and be arranged at
Mode activated circuit on FPC, described mode activated circuit is electrically connected with described LED line road, and described LED line road includes mutually only
The first vertical LED line 101 and the second LED line 102, described first LED line 101 is included as the input of the first LED line 101 positive pole
LEDA1 mouth and the LEDK1 mouth as the output of the first LED line 101 negative pole, described second LED line 102 is included as the 2nd LED
The LEDA2 mouth of line 102 positive pole input and the LEDK2 mouth as the output of the second LED line 102 negative pole, in LEDA1 mouth and LEDK1
It is connected in series with LEDA2 mouth and LEDK2 mouth between mouthful and respectively multiple LED5, described mode activated circuit has four
Individual port, described mode activated circuit includes so that the series connection that the first LED line 101 and the second LED line 102 are connected in series is driven
Moving-wire road and make the parallel drive circuit that the first LED line 101 and the second LED line 102 are connected in parallel, described in parallel drives
Four ports on moving-wire road are respectively the A1 mouth as positive pole, the K1 mouth as negative pole, the first connection jaws 1 and the second connection jaws 2,
In LED line road is electrically connected with parallel drive circuit, the first connection jaws 1 are electrically connected with LEDA1 mouth, LEDA2 mouth respectively, A1 mouth with
First connection jaws 1 electrically connect, and the second connection jaws 2 are electrically connected with LEDK1 mouth, LEDK2 mouth respectively, and K1 mouth and the second connection jaws 2 are electric
Connect, four ports of described tandem drive circuit are respectively the A2 mouth as positive pole, the K2 mouth as negative pole, the 3rd connection jaws
3 and the 4th connection jaws 4, in LED line road is electrically connected with tandem drive circuit, A2 mouth is electrically connected with LEDA1 mouth, the 3rd connection jaws
3 are electrically connected with LEDK1 mouth, and the 3rd connection jaws 3 are electrically connected with the 4th connection jaws 4, and the 4th connection jaws 4 are electrically connected with LEDA2 mouth, K2
Electrically connect with LEDK2 mouth.
Preferably, the LED being connected in series between LEDA1 mouth and LEDK1 mouth and between LEDA2 mouth and LEDK2 mouth
Quantity is identical.
In addition, this utility model provides a kind of backlight display module, including backlight and FPC, FPC has two species
Type, is a FPC and the 2nd FPC respectively, and described backlight is electrically connected with a FPC or the 2nd FPC, described LED line road arrangement
In backlight, a described FPC is integrated with parallel drive circuit, described 2nd FPC is integrated with tandem drive circuit.
To sum up, this utility model designs two the first independent LED line 101 and the second LED line 102 in backlight,
Four ports, four port the first LED line 101 and electrical connections of the second LED line 102 two ends respectively are designed on FPC, will be integrated in
Mode activated circuit on FPC is divided into tandem drive circuit and parallel drive circuit, and the difference according to mode activated circuit is by FPC
Make two types, when being arranged in pairs or groups with backlight from a FPC, the backlight display mould that a FPC is formed with backlight sheet combination
Group realizes the LED5 Parallel Design in backlight, when being arranged in pairs or groups from the 2nd FPC and backlight, the 2nd FPC and backlight sheet combination
The backlight display module being formed realizes the LED5 series design in backlight, and this utility model needs backlight is connected according to design
When being selected between LED5 and parallel connection LED 5, only need to be equipped with different FPC to backlight, improve backlight display module
Commonality, greatly reduce and select cost.
Claims (3)
1. a kind of backlight circuit it is characterised in that:Including the LED line road being arranged in backlight and be arranged at the mould on FPC
Formula driver circuit, described mode activated circuit is electrically connected with described LED line road, and described LED line road includes separate first
LED line (101) and the second LED line (102), described first LED line (101) is included as the input of the first LED line (101) positive pole
LEDA1 mouth and the LEDK1 mouth as the output of the first LED line (101) negative pole, described second LED line (102) is included as second
The LEDA2 mouth of LED line (102) positive pole input and the LEDK2 mouth as the output of the second LED line (102) negative pole, in LEDA1 mouth
It is connected in series with multiple LED (5), described mode activated respectively and LEDK1 mouth between and between LEDA2 mouth and LEDK2 mouth
Circuit has four ports, and described mode activated circuit includes so that the first LED line (101) and the second LED line (102) are gone here and there
Join the tandem drive circuit connecting and make the parallel connection that the first LED line (101) and the second LED line (102) are connected in parallel
Driver circuit, four ports of described parallel drive circuit are respectively the A1 mouth as positive pole, the K1 mouth as negative pole, first connect
Line mouth (1) and the second connection jaws (2), in LED line road is electrically connected with parallel drive circuit, the first connection jaws (1) respectively with
LEDA1 mouth, the electrical connection of LEDA2 mouth, A1 mouth electrically connected with the first connection jaws (1), the second connection jaws (2) respectively with LEDK1 mouth,
LEDK2 mouth electrically connects, and K1 mouth is electrically connected with the second connection jaws (2), and four ports of described tandem drive circuit are respectively conduct
The A2 mouth of positive pole, the K2 mouth as negative pole, the 3rd connection jaws (3) and the 4th connection jaws (4), in LED line road and tandem drive line
In the electrical connection of road, A2 mouth electrically connects with LEDA1 mouth, and the 3rd connection jaws (3) are electrically connected with LEDK1 mouth, the 3rd connection jaws (3) and the
Four connection jaws (4) electrically connect, and the 4th connection jaws (4) are electrically connected with LEDA2 mouth, and K2 is electrically connected with LEDK2 mouth.
2. backlight circuit according to claim 1 it is characterised in that:Between LEDA1 mouth and LEDK1 mouth and
LED (5) quantity being connected in series between LEDA2 mouth and LEDK2 mouth is identical.
3. a kind of backlight display module containing backlight circuit described in claim 1, including backlight and FPC it is characterised in that:
Described FPC has two types, is a FPC and the 2nd FPC respectively, and described backlight is electrically connected with a FPC or the 2nd FPC
Connect, described LED line road is arranged in backlight, a described FPC is integrated with parallel drive circuit, described 2nd FPC collects
Become to have tandem drive circuit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620973741.2U CN205987474U (en) | 2016-08-28 | 2016-08-28 | Circuit and display module assembly that is shaded are shaded |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620973741.2U CN205987474U (en) | 2016-08-28 | 2016-08-28 | Circuit and display module assembly that is shaded are shaded |
Publications (1)
Publication Number | Publication Date |
---|---|
CN205987474U true CN205987474U (en) | 2017-02-22 |
Family
ID=58038329
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201620973741.2U Withdrawn - After Issue CN205987474U (en) | 2016-08-28 | 2016-08-28 | Circuit and display module assembly that is shaded are shaded |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN205987474U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106455195A (en) * | 2016-08-28 | 2017-02-22 | 江西合力泰科技有限公司 | Backlight circuit, backlight display module and series-parallel selection method |
-
2016
- 2016-08-28 CN CN201620973741.2U patent/CN205987474U/en not_active Withdrawn - After Issue
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106455195A (en) * | 2016-08-28 | 2017-02-22 | 江西合力泰科技有限公司 | Backlight circuit, backlight display module and series-parallel selection method |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20170222 Effective date of abandoning: 20180216 |
|
AV01 | Patent right actively abandoned |
Granted publication date: 20170222 Effective date of abandoning: 20180216 |