CN108012369A - A kind of LED light of backlight module supplies electric connection structure - Google Patents
A kind of LED light of backlight module supplies electric connection structure Download PDFInfo
- Publication number
- CN108012369A CN108012369A CN201710690847.0A CN201710690847A CN108012369A CN 108012369 A CN108012369 A CN 108012369A CN 201710690847 A CN201710690847 A CN 201710690847A CN 108012369 A CN108012369 A CN 108012369A
- Authority
- CN
- China
- Prior art keywords
- led light
- lamp unit
- lamp
- supply line
- backlight module
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/40—Details of LED load circuits
- H05B45/44—Details of LED load circuits with an active control inside an LED matrix
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
-
- 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]
Abstract
The invention discloses a kind of LED light of backlight module to supply electric connection structure, include a variety of LED light that can send different colours, described one group of lamp unit of LED light arrangement form, multigroup lamp unit is in tandem, a plurality of supply lines is further included, a plurality of supply lines alternately connects different lamp units.By carrying out the connection of overall circuit to lamp unit, when efficiently solving in the prior art because of the backlight high colour gamut of matching, the resistance value difference in different supply lines is larger, the hot spot and shadow of formation, improves the quality of backlight luminescence.
Description
Technical field
The present invention relates to design mobile phone backlight field, the LED light in more particularly to a kind of backlight module supplies electric connection structure.
Background technology
LED light in existing backlight, be typically rectangular arrangement, it is same it is horizontal on LED light because to light
Colour gamut requires difference, so can be according to the different photochromic LED light of certain order arrangement, and carried out periodically according to the order of arrangement
Arrangement, to reach corresponding lighting requirements, most commonly two kinds of different LED light is photochromic at present, it is same it is horizontal on alternately
Set, corresponding power supply is then the voltage using same point, draws two power supply circuits in parallel, two power supply circuit alternatings
Connect LED light, i.e., wherein one connection odd number LED light, another connection even number LED light, a power supply circuit connection one
The photochromic LED light of kind, so alternately connects, can ensure after a cluster of lamps, ornamental breaks down dead lamp, another string can also keep leading
It is logical, and can in whole backlight uniformly light-emitting.
But found according to actual use, because the LED light connected is because be different photochromic, the incomplete phase of internal resistance value
Together, this small gap has little to no effect when low colour gamut is matched, but when matching high colour gamut, will be because of relating to
And LED light it is more, the LED kind that is related to is different, so can cause in different supply lines, resistance value differs, and robs electric current
Phenomenon, cause a cluster of lamps, ornamental brighter, a cluster of lamps, ornamental is dark, that is, forms hot spot, seriously affects the luminous mass of backlight.
The content of the invention
The problem to be solved in the present invention is the hot spot how solved occurring to LED light during high colour gamut is matched
The problem of, there is provided a kind of electric power-feeding structure, which can either keep existing can keep uniformly light-emitting in the case of dead lamp,
Hot spot can be solved the problems, such as again.
To solve the above-mentioned problems, the present invention provides a kind of LED light of backlight module to supply electric connection structure, includes more
Kind can send the LED light of different colours, described one group of lamp unit of LED light arrangement form, and multigroup lamp unit in tandem, further includes
There is a plurality of supply lines, a plurality of supply lines alternately connects different lamp units.By to the structure connected will be replaced from list
A LED is transformed into lamp unit, can ensure that the lamp unit resistance value of connection is identical, has thoroughly prevented because connecting LED light resistance value not
Current problems are robbed with caused, and a string can also be maintained at either after more dead lamps of a cluster of lamps, ornamental, additionally it is possible to keep uniformly light-emitting.
Preferably, further including more than a kinds can send the LED light of different colours, and a is not less than 1, the different face
The LED light of color is arranged in one group of lamp unit, and the LED light quantity in each lamp unit has e, and the e is not less than a.Such energy
Enough according to actual needs, different photochromic LED light are arranged, to reach predetermined selection target.
Preferably, front and rear between lamp unit to be connected, the number consecutively from 1, shares k lamp unit, and the k is not less than 2,
It is characterized in that, having further included b bars supply line, the m articles supply line in the b articles of supply line, is connected in series b
(n-1)+m lamp units, the m are less than or equal to b, and the n is connection ordinal number, takes positive integer from 1 successively to select to connect
Lamp unit, the b (n-1)+m is less than or equal to k, and the m is less than k, and described b, k, m, n are positive integer.So into
The purpose that row limits, enables to there be not line transfer road to carry out different lamp unit connections in the rule of equal difference, can either ensure even
In termination process, same distance is kept between the lamp unit of connection, after ensureing the dead lamp of a cluster of lamps, ornamental, additionally it is possible to more uniformly light-emitting, separately
The outer lamp that can also ensure that connection is lamp unit, and the resistance value all same of series connection, ensures, when high colour gamut matches, to avoid robbing electric current
Phenomenon occur, ensure illumination effect.
Specifically, when the remainder c obtained by k/b is not zero, each bar supply line only alternately connects the quantity of the business obtained by k/b
A lamp unit, is numbered from 1 in remaining c lamp unit successively, each article of supply line continue successively alternately connection b (n-1)+
M LED light.When lamp unit averagely can not be allocated each bar supply line, then need to unnecessary lamp unit progress
Abdicate it is non-, in mean allocation LED light to different supply lines, to ensure to say that the LED light of load is average enough on every circuit because
Unnecessary LED lamp unit is not very very much, the resistance difference unobvious of single LED light, so being evenly distributed to different power supplies
The phenomenon for robbing electric current can't be produced on circuit, the lighting requirements being maintained in high colour gamut matching process.
Specifically, the LED light quantity e in each lamp unit is 2, the lamp element number k is not less than 4.Actually make
During, LED quantity e is 2 in lamp unit, and when lamp element number k is not less than 4, can in the case of dead lamp occurs
The effect of preferable uniformly light-emitting is provided.
It is to be connected in parallel between a plurality of supply lines.A plurality of lines in parallel, can guarantee that the voltage of circuit is all identical, protect
The luminous effect of card.
This electric power-feeding structure has following beneficial effect：
1. it can solve the problems, such as to match the hot spot in high colour gamut.Because it is to be attached according to lamp unit in connection procedure, each
The quantity of the LED light included in lamp unit and species are all identical, it can be ensured that every lamp unit resistance value all
It is consistent, therefore different supply lines is connecting the lamp unit of identical quantity, can ensure the resistance in every supply line
Resistance value is all identical, that is, is not in the phenomenon for robbing electric current so that the LED light luminous intensity on different circuits is identical, ensure that
Backlight luminescence, particularly in the light for matching high colour gamut, the problem of existing hot spot.
After 2. the dead lamp of an a few cluster of lamps, ornamental of the prior art can be kept, the requirement of uniformly light-emitting is integrally maintained to.
Different supply lines is to connect different lamp units at certain intervals, this can ensure in a string of either a few cluster of lamps, ornamental hairs
In the case of life and death lamp（I.e. lamp because fault there is a situation where open circuit or do not work）, it is full that remaining shinny lamp remains able to arrangement
The whole section interface for needing to shine, and the light sent can be uniform, because being shinny with the carry out of lamp unit, is maintained to
The lighting requirements of high colour gamut.
It is 3. cost-effective without changing existing LED light arrangement.Because being simply improved to electric power-feeding structure, it is not related to
Arrangement to existing lamp changes, its arrangement mode is still with the arrangement of different photochromic LED light, so need not be set to existing
Standby and process is changed, and ensure that the control of production cost.
Brief description of the drawings
Fig. 1 is 1 schematic diagram of embodiment that a kind of LED light of backlight module of the present invention supplies electric connection structure.
Fig. 2 is 2 schematic diagram of embodiment that a kind of LED light of backlight module of the present invention supplies electric connection structure.
Fig. 3 is 3 schematic diagram of embodiment that a kind of LED light of backlight module of the present invention supplies electric connection structure.
Brief description of the drawings：Numeral 1,2,3,4,5 represents the species of different photochromic LED light；Digital 11,22,33,44,55 tables
Show different supply lines.
Embodiment
Presently preferred embodiments of the present invention is described in detail below in conjunction with the accompanying drawings so that the present invention a little with feature more
Easily it is readily appreciated by one skilled in the art, so as to make apparent define to protection scope of the present invention.
Embodiment 1
In the present embodiment, using 2 kinds of different photochromic LED light, 2 supply lines, as shown in Figure 1, the embodiment are shared
In, supply line 11 and supply line 22 are parallel-connection structure, and different photochromic LED light are equidistantly alternately arranged, and every 2 LED light are made
For a lamp unit, 6 lamp units are shared in the present embodiment, supply line 11 replaces connection lamp unit with supply line 22, i.e.,
Supply line 11 connects the 1st, the 3rd, the 5th lamp unit, and supply line 22 connects the 2nd, the 4th, the 6th lamp unit, every power supply
Averagely it is furnished with the LED light of identical photochromic and identical quantity on circuit, the negative terminal of last supply line links together, completes to one
The power supply mechanism design of horizontally-arranged LED light.
It is powered according to the electric power-feeding structure in the present embodiment, because loaded in supply line 11 and supply line 22
The quantity of LED light, and the quantity of various photochromic LED light are all identical, so the load in every supply line is all identical,
It is not in the situation of hot spot and shadow in actual power.In addition in the case where short circuit occurs, wherein a supply line is not
Shine, when dead lamp phenomenon occurs, because the lamp unit in another supply line is equidistant arrangement, and each lamp unit can
Ensure the matching of high colour gamut light, so after the problem of one cluster of lamps, ornamental of generation dead lamp, an another cluster of lamps, ornamental is maintained to uniformly send out
Light and the matching for keeping high colour gamut.
Embodiment 2
In the present embodiment, using 3 kinds of different photochromic LED light, 5 supply lines are shared, wherein lamp unit shares 5 integer
A again, as shown in Fig. 2, because the relation of LED light matching colour gamut design, the lamp unit in the present embodiment is arranged as 12321, shared
There is photochromic LED light different in 3, but the number of the LED light included in every group of lamp unit is 5.5 supply line alternately connects
Connect different lamp units, the connection of supply line 11 the 1st, the 6th, 11st etc.（That is the 5n+1 lamp unit, n round numbers）, with this
Analogize, supply line 22 then connects the 5n+2 lamp unit, and supply line 33 connects the 5n+3 lamp unit, and supply line connects 44
Connect the 5n+4 lamp unit, the connection of supply line 55 the 5th（n+1）A lamp unit.Because the lamp unit in this implementation share 5 it is whole
Several times, so the lamp unit of identical quantity can be averagely assigned in each bar supply line, so and can solve existing
The problem of matching high colour gamut hot spot.
In the case of dead lamp occurs, in the case where a string of dead lamps occur, the position of dead lamp is equidistant, so overall
Shine and be maintained to certain uniformity, and normal luminous is shone with lamp unit, remains able to ensure matching colour gamut
Effect.
Embodiment 3
It is similar with embodiment 2 in the present embodiment, except that the quantity of lamp unit has 5 integer extraordinarily 2, because most
Latter two lamp unit can not be assigned to averagely in each bar supply line, so being split to the LED light in two lamp units, two
Share 10 LED light in a lamp unit, alternately connection LED light, specific connection mode are for 5 supply lines, and 10 LED light are from 1
Rise numbering, supply line 11 connection the 1st, the 6th,（That is the 5n+1 LED light, n round numbers）, and so on, supply line 22 is then
The 5n+2 LED light is connected, supply line 33 connects the 5n+3 LED light, and supply line connects 44 and connects the 5n+4 LED light, supplies
The connection of electric line 55 the 5th（n+1）A LED light.Unnecessary lamp unit is dismantled so that distribution in different supply lines
LED light is average, in the case of all circuit normal luminous, can keep normal illumination effect, will not be not collinear
Road produces the phenomenon generation for robbing electric current because load difference is larger.
Because the quantity for the lamp unit broken is few, that is, the different photochromic LED light numbers that are assigned in different supply lines
Amount is few, and the resistance value of difference is little, is maintained to illumination effect.
Embodiments of the present invention are explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned implementation
Mode, within the knowledge of a person skilled in the art, can also be on the premise of present inventive concept not be departed from
Various changes can be made.
Claims (6)
1. a kind of LED light of backlight module supplies electric connection structure, include a variety of LED light that can send different colours, the LED
One group of lamp unit of lamp arrangement form, multigroup lamp unit is in tandem, it is characterised in that a plurality of supply lines has been further included, it is described
A plurality of supply lines alternately connects different lamp units.
2. a kind of LED light of backlight module according to claim 1 supplies electric connection structure, it is characterised in that including a kinds with
On can send the LED light of different colours, a is not less than 1, and the LED light of the different colours is arranged in one group of lamp unit,
LED light quantity in each lamp unit has e, and the e is not less than a.
3. a kind of LED light of backlight module according to claim 1 supplies electric connection structure, it is characterised in that the lamp
Front and rear between unit to be connected, the number consecutively from 1 shares k lamp unit, and the k is not less than 2, it is characterised in that further includes
There is a b bars supply line, the m articles supply line in the b articles of supply line, is connected in series b (n-1)+m lamp units,
The m is less than or equal to b, and the n is connection ordinal number, takes positive integer from 1 successively to select the lamp unit of connection, the b
(n-1)+m is less than or equal to k, and the m is less than k, and described b, k, m, n are positive integer.
4. a kind of LED light of backlight module according to claim 3 supplies electric connection structure, it is characterised in that the k/b
When the remainder c of gained is not zero, only alternately the quantity lamp unit of the business obtained by connection k/b, remaining c are a for each bar supply line
Numbered successively from 1 in lamp unit, each article of supply line continues b (n-1)+m LED light of alternately connection successively.
5. a kind of LED light of backlight module according to claim 3 supplies electric connection structure, it is characterised in that described each
LED light quantity e in lamp unit is 2, and the lamp element number k is not less than 4.
6. the LED light of any backlight module according to claim 1-4 supplies electric connection structure, it is characterised in that described
A plurality of supply lines between to be connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710690847.0A CN108012369A (en) | 2017-08-14 | 2017-08-14 | A kind of LED light of backlight module supplies electric connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710690847.0A CN108012369A (en) | 2017-08-14 | 2017-08-14 | A kind of LED light of backlight module supplies electric connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108012369A true CN108012369A (en) | 2018-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710690847.0A Pending CN108012369A (en) | 2017-08-14 | 2017-08-14 | A kind of LED light of backlight module supplies electric connection structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN108012369A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013100733A1 (en) * | 2011-12-29 | 2013-07-04 | Seoul Semiconductor Co., Ltd | Backlight driving apparatus |
| CN105096842A (en) * | 2015-08-18 | 2015-11-25 | 京东方科技集团股份有限公司 | LED lamp bar drive circuit and dimming method thereof, backlight module and display device |
-
2017
- 2017-08-14 CN CN201710690847.0A patent/CN108012369A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013100733A1 (en) * | 2011-12-29 | 2013-07-04 | Seoul Semiconductor Co., Ltd | Backlight driving apparatus |
| CN105096842A (en) * | 2015-08-18 | 2015-11-25 | 京东方科技集团股份有限公司 | LED lamp bar drive circuit and dimming method thereof, backlight module and display device |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: SHENZHEN BAOMING TECHNOLOGY Ltd. Document name: Notification of Passing Examination on Formalities |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 518000 room 3001, building 2, Huilong business center, North Station community, Minzhi street, Longhua District, Shenzhen City, Guangdong Province Applicant after: SHENZHEN BAOMING TECHNOLOGY Ltd. Address before: 518110 building F, baoyunda workshop, B District, dashuitian Industrial Zone, dashuitian community, Guanlan street, Longhua New District, Shenzhen City, Guangdong Province Applicant before: SHENZHEN BAOMING TECHNOLOGY Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180508 |