CN201916870U - LED backlight lamp line, LED liquid crystal module and display device thereof - Google Patents
LED backlight lamp line, LED liquid crystal module and display device thereof Download PDFInfo
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- CN201916870U CN201916870U CN2010205790507U CN201020579050U CN201916870U CN 201916870 U CN201916870 U CN 201916870U CN 2010205790507 U CN2010205790507 U CN 2010205790507U CN 201020579050 U CN201020579050 U CN 201020579050U CN 201916870 U CN201916870 U CN 201916870U
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Abstract
The utility model is suitable for the field of backlight lamps, which provides an LED backlight lamp line, an LED liquid crystal module and a display device thereof.The LED backlight lamp line comprises a plurality of LED lamp strips in parallel with each other.Each of the lamp strips is equipped with a plurality of LED lamps.The LED lamps in the plurality of the lamp strips are in a mutual interpenetration arrangement in the LED backlight lamp line at a fixed ratio and a fixed position relationship.The uniform brightness and temperature of the backlight is realized by changing the arrangement of the LED lamps in the LED backlight lamp line.Meanwhile, the display effect is enhanced and the service life of products is prolonged.
Description
Technical field
The utility model belongs to the backlight field, relates in particular to a kind of LED-backlit lamp driver, LED liquid crystal module and display device.
Background technology
Along with the development of LED, its application in our life more and more widely.Particularly be directed to the demonstration field, LED relies on characteristics such as its energy-saving and environmental protection, high-contrast and high gamut range, more and more is employed.A main aspect of using about LED in the demonstration field be form with LED lamp bar as backlight, Fig. 1 shows the traditional circuit of this LED-backlit lamp driver.In Fig. 1, a lamp bar is formed in several LED lamp series connection backs, and several lamp bars are connected in parallel.After the parallel connection, several LED lamps on the same lamp bar are in the same block.These lamp bars are powered by VCC, and respectively have one to drive the control access interface.
The problem that this traditional circuit exists is and since adopt between each lamp bar many strings many and methods, the error that is produced by resistance can be added on the LED lamp bar, this has just increased the error of electric current between each LED lamp bar.This error will directly cause the LED lamp on each lamp bar to be compared with the LED lamp on other lamp bars, and ambient humidity, light and temperature is all inequality.Because the LED lamp on each lamp bar all is in the same block separately, the difference of each LED lamp can be applied, amplify, and the difference of the ambient humidity, light and temperature between each block becomes more obvious.The difference of brightness will influence the display effect of display device, and the difference of temperature will cause shorten the service life of product.
The utility model content
The purpose of this utility model is to provide a kind of LED-backlit lamp driver, is intended to solve problems such as brightness between the block that exists in the existing LED-backlit lamp driver, non-uniform temperature.
The utility model is to realize like this, a kind of LED-backlit lamp driver comprises the LED lamp bar that several are connected in parallel, and is distributed with a plurality of LED lamps on each lamp bar, LED lamp on the different lamp bars is with fixing ratio and position relation, and mutual interting is distributed in described LED-backlit lamp driver.
Another purpose of the present utility model provides a kind of LED liquid crystal module, comprise the LED-backlit lamp driver, described LED-backlit lamp driver comprises the LED lamp bar that several are connected in parallel, be distributed with a plurality of LED lamps on each lamp bar, LED lamp on the different lamp bars is with fixing ratio and position relation, and mutual interting is distributed in described LED-backlit lamp driver.
Further, described LED liquid crystal module also comprises:
The light that the LED lamp is sent carries out the diaphragm that fuzziness is handled;
The line source of LED lamp is converted to the LGP of area source, perhaps improves the diffuser plate of the uniformity of backlight light source.。
Another purpose of the present utility model provides a kind of display device, comprise the LED liquid crystal module, described LED liquid crystal module comprises the LED-backlit lamp driver, described LED-backlit lamp driver comprises the LED lamp bar that several are connected in parallel, be distributed with a plurality of LED lamps on each lamp bar, LED lamp on the different lamp bars is with fixing ratio and position relation, and mutual interting is distributed in described LED-backlit lamp driver.
Further, described display device also comprises:
The light that the LED lamp is sent carries out the diaphragm that fuzziness is handled;
The line source of LED lamp is converted to the LGP of area source, perhaps improves the diffuser plate of the uniformity of backlight light source.
The utility model makes ambient humidity, light and temperature backlight even by changing the configuration mode of each LED lamp in the LED-backlit lamp driver, has strengthened display effect, and has increased the service life of product.
Description of drawings
Fig. 1 is the line map of existing LED-backlit lamp driver;
Fig. 2 is the line map of the LED-backlit lamp driver that provides of the utility model embodiment;
Fig. 3 is the line map of another LED-backlit lamp driver of providing of the utility model embodiment;
Fig. 4 is the line map of the third LED-backlit lamp driver of providing of the utility model embodiment;
Fig. 5 is the line map of the 4th kind of LED-backlit lamp driver providing of the utility model embodiment.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
The utility model embodiment provides a kind of LED-backlit lamp driver, comprise the LED lamp bar that several are connected in parallel, be distributed with a plurality of LED lamps on each lamp bar, the LED lamp on the different lamp bars is with fixing ratio and position relation, and mutual interting is distributed in described LED-backlit lamp driver.
The utility model embodiment makes ambient humidity, light and temperature backlight even by changing the configuration mode of each LED lamp in the LED-backlit lamp driver, has strengthened display effect, and has increased the service life of product.
Embodiment one:
Fig. 2 shows the LED-backlit lamp driver that the utility model embodiment provides, and only shows the part relevant with the utility model embodiment for convenience of explanation.
Wherein, D01, D02, D03, with D11, D12, D13, and D21, D22, D23 be for being connected on three groups of LED lamps on three lamp bars respectively, and three lamp bars are connected in parallel.
LED lamp on the different lamp bars is with fixing ratio and position relation, and mutual interting is distributed in the LED-backlit lamp driver.Particularly, with D01, D11, the interspersed configuration of D21; With D02, D12, the interspersed configuration of D22; With D03, D13, the interspersed configuration of D23.Wherein, all be 1: 1: 1 from the ratio of the LED lamp of three lamp bars, and also also identical from the front and back position relation of the LED lamp of three lamp bars.
In real work, the LED lamp configuring condition of each block is identical.The LED lamp is a spot light, handle through the fuzziness of diaphragm, again through the line source of LED lamp being become the LGP of area source, perhaps improve the processing of diffuser plate of the back light uniformity after, the brightness of each block is identical, so each block has also formed an even brightness integral body.
In addition, because the LED lamp configuring condition on each block is identical, so the temperature of each lamp bar is roughly suitable, this also helps improving the reliability and the service life of LED-backlit lamp driver.
Embodiment two:
Fig. 3 shows another LED-backlit lamp driver that the utility model embodiment provides, and only shows the part relevant with the utility model embodiment for convenience of explanation.
Wherein, D01, D02, D03, with D11, D12, D13, and D21, D22, D23 be for being connected on three groups of LED lamps on three lamp bars respectively, and three lamp bars are connected in parallel.
LED lamp on the different lamp bars is with fixing ratio and position relation, and mutual interting is distributed in the LED-backlit lamp driver.Particularly, with D01, D11, the interspersed configuration of D21; With D02, D12, the interspersed configuration of D22; With D03, D13, the interspersed configuration of D23.Wherein, all be 1: 1: 1 from the ratio of the LED lamp on three lamp bars, and also also identical from the relative position relation of the LED lamp on three each lamp bars.
In real work, the LED lamp configuring condition of each block is identical.The LED lamp is a spot light, handle through the fuzziness of diaphragm, again through the line source of LED lamp being become the LGP of area source, perhaps improve the processing of diffuser plate of the back light uniformity after, the brightness of each block is identical, so each block has also formed an even brightness integral body.
In addition, because the LED lamp configuring condition on each block is identical, so the temperature of each lamp bar is roughly suitable, this also helps improving the reliability and the service life of LED-backlit lamp driver.
Embodiment three:
Fig. 4 shows the third LED-backlit lamp driver that the utility model embodiment provides, and only shows the part relevant with the utility model embodiment for convenience of explanation.
Wherein, D01, D02, D03, D04, D05, D06, with D11, D12, D13, and D21, D22, D23 be respectively three groups of LED lamps that are connected on three lamp bars, and three lamp bars are connected in parallel.
LED lamp on the different lamp bars is with fixing ratio and position relation, and mutual interting is distributed in the LED-backlit lamp driver.Particularly, with D01, D02, the interspersed configuration of D11, D21; With D03, D04, the interspersed configuration of D12, D22; With D05, D06, the interspersed configuration of D13, D23.Wherein, all be 2: 1: 1 from the ratio of the LED lamp on three lamp bars, and also also identical from the relative position relation of the LED lamp on three lamp bars.
In real work, the LED lamp configuring condition of each block is identical.The LED lamp is a spot light, handle through the fuzziness of diaphragm, again through the line source of LED lamp being become the LGP of area source, perhaps improve the processing of diffuser plate of the back light uniformity after, the brightness of each block is identical, so each block has also formed an even brightness integral body.
In addition, because the LED lamp configuring condition on each block is identical, so the temperature of each lamp bar is roughly suitable, this also helps improving the reliability and the service life of LED-backlit lamp driver.
Embodiment four:
Fig. 5 shows the 4th kind of LED-backlit lamp driver that the utility model embodiment provides, and only shows the part relevant with the utility model embodiment for convenience of explanation.
Wherein, D01, D02, D03, with D11, D12, D13, and D21, D22, D23, and D31, D32, D33 be for being connected on four groups of LED lamps on four lamp bars respectively, and four lamp bars are connected in parallel.
LED lamp on the different lamp bars is with fixing ratio and position relation, and mutual interting is distributed in the LED-backlit lamp driver.Particularly, with D01, D11, the interspersed configuration of D21, D31; With D02, D12, the interspersed configuration of D22, D32; With D03, D13, the interspersed configuration of D23, D33.Wherein, all be 1: 1: 1 from the ratio of LED lamp on four lamp bars: 1, and also also identical from the relative position relation of the LED lamp on four lamp bars.
In real work, the LED lamp configuring condition of each block is identical.The LED lamp is a spot light, handle through the fuzziness of diaphragm, again through the line source of LED lamp being become the LGP of area source, perhaps improve the processing of diffuser plate of the back light uniformity after, the brightness of each block is identical, so each block has also formed an even brightness integral body.
In addition, because the LED lamp configuring condition on each block is identical, so the temperature of each lamp bar is roughly suitable, this also helps improving the reliability and the service life of LED-backlit lamp driver.
Embodiment five:
As an embodiment of the present utility model, above-mentioned LED-backlit lamp driver can also be used for the LED liquid crystal module.This LED liquid crystal module comprises that also the light that the LED lamp is sent carries out the diaphragm that fuzziness is handled, and the LGP that the line source of LED lamp is converted to area source.
Embodiment six:
As an embodiment of the present utility model, above-mentioned LED-backlit lamp driver can also be used for the LED liquid crystal module.This LED liquid crystal module comprises that also the light that the LED lamp is sent carries out the diaphragm that fuzziness is handled, and the diffuser plate that improves the uniformity of back light.
Embodiment seven:
The utility model embodiment provides a kind of display device of the LED of comprising liquid crystal module, and this LED liquid crystal module comprises above-mentioned LED-backlit lamp driver.In addition, this display device comprises that also the light that the LED lamp is sent carries out the diaphragm that fuzziness is handled, and the LGP that the line source of LED lamp is converted to area source.
Embodiment eight:
The utility model embodiment provides a kind of display device of the LED of comprising liquid crystal module, and this LED liquid crystal module comprises above-mentioned LED-backlit lamp driver.In addition, this display device comprises that also the light that the LED lamp is sent carries out the diaphragm that fuzziness is handled, and the diffuser plate that improves the uniformity of back light.
The utility model embodiment makes ambient humidity, light and temperature backlight even by changing the configuration mode of each LED lamp in the LED-backlit lamp driver, has strengthened display effect, and has increased the service life of product.
The above only is preferred embodiment of the present utility model; the quantity of the LED lamp bar among the embodiment, quantity, proportionate relationship and the arrangement mode etc. of LED lamp; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (5)
1. a LED-backlit lamp driver comprises the LED lamp bar that several are connected in parallel, and is distributed with a plurality of LED lamps on each lamp bar, it is characterized in that, the LED lamp on the different lamp bars is with fixing ratio and position relation, and mutual interting is distributed in described LED-backlit lamp driver.
2. LED liquid crystal module, comprise the LED-backlit lamp driver, described LED-backlit lamp driver comprises the LED lamp bar that several are connected in parallel, be distributed with a plurality of LED lamps on each lamp bar, it is characterized in that, LED lamp on the different lamp bars is with fixing ratio and position relation, and mutual interting is distributed in described LED-backlit lamp driver.
3. LED liquid crystal module as claimed in claim 2 is characterized in that, described LED liquid crystal module also comprises:
The light that the LED lamp is sent carries out the diaphragm that fuzziness is handled;
The line source of LED lamp is converted to the LGP of area source, perhaps improves the diffuser plate of the uniformity of backlight light source.
4. display device, comprise the LED liquid crystal module, described LED liquid crystal module comprises the LED-backlit lamp driver, described LED-backlit lamp driver comprises the LED lamp bar that several are connected in parallel, be distributed with a plurality of LED lamps on each lamp bar, it is characterized in that the LED lamp on the different lamp bars is with fixing ratio and position relation, mutual interting is distributed in described LED-backlit lamp driver.
5. display device as claimed in claim 4 is characterized in that, described display device also comprises:
The light that the LED lamp is sent carries out the diaphragm that fuzziness is handled;
The line source of LED lamp is converted to the LGP of area source, perhaps improves the diffuser plate of the uniformity of backlight light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205790507U CN201916870U (en) | 2010-10-27 | 2010-10-27 | LED backlight lamp line, LED liquid crystal module and display device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205790507U CN201916870U (en) | 2010-10-27 | 2010-10-27 | LED backlight lamp line, LED liquid crystal module and display device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201916870U true CN201916870U (en) | 2011-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205790507U Expired - Fee Related CN201916870U (en) | 2010-10-27 | 2010-10-27 | LED backlight lamp line, LED liquid crystal module and display device thereof |
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| CN (1) | CN201916870U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989987A (en) * | 2015-06-19 | 2015-10-21 | 武汉华星光电技术有限公司 | LED light bar, backlight module and liquid crystal display |
| CN112967689A (en) * | 2021-03-22 | 2021-06-15 | 上海辅汇显示器件有限公司 | Method for distributing LED backlight lamp bars of liquid crystal screen panel on light-emitting circuit board in balanced manner |
-
2010
- 2010-10-27 CN CN2010205790507U patent/CN201916870U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989987A (en) * | 2015-06-19 | 2015-10-21 | 武汉华星光电技术有限公司 | LED light bar, backlight module and liquid crystal display |
| CN112967689A (en) * | 2021-03-22 | 2021-06-15 | 上海辅汇显示器件有限公司 | Method for distributing LED backlight lamp bars of liquid crystal screen panel on light-emitting circuit board in balanced manner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110803 Termination date: 20161027 |
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| CF01 | Termination of patent right due to non-payment of annual fee |