CN203442606U - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
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- CN203442606U CN203442606U CN201320548294.2U CN201320548294U CN203442606U CN 203442606 U CN203442606 U CN 203442606U CN 201320548294 U CN201320548294 U CN 201320548294U CN 203442606 U CN203442606 U CN 203442606U
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- colour gamut
- illuminator
- backlight module
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- luminous group
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Abstract
The utility model provides a backlight module and a display device, and relates to the technical field of displaying. The problem that an existing backlight module only has one color gamut displaying mode is solved. The backlight module comprises a back panel and a light emitting body, a plurality of light emitting sets are formed by the light emitting body, each light emitting set comprises at least one high-color gamut light emitting body and at least one low-color gamut light emitting body, and the light emitting sets are arranged into at least one row. According to the backlight module, various color gamut displaying modes can be formed, and different demands of users in different scenes can be met.
Description
Technical field
The utility model relates to Display Technique field, relates in particular to a kind of backlight module and display unit.
Background technology
For liquid crystal display, colour gamut is the summation of the technological system color that can produce.Colour gamut is wider, and display effect is better, and therefore, it is the common pursuit of current display device that high colour gamut shows.
User is when utilizing display device watch film or play games, and high colour gamut can make it have outstanding demonstration and appreciation effect, but simultaneously high colour gamut shows that meeting increases power consumption.Background color territory display effect is general but low in energy consumption, and being applicable to user is not very high situation at color domain display requirements such as office or browsing pages.
Existing display device only has a kind of colour gamut expression mode, and it can not meet the different demands of user under different application scene.
Utility model content
Embodiment of the present utility model provides a kind of backlight module and display unit, and described backlight module can convert colour gamut expression mode according to need for environment.
For achieving the above object, embodiment of the present utility model adopts following technical scheme:
The utility model embodiment provides a kind of backlight module, comprise: backboard and illuminator, described illuminator is arranged on described backboard, wherein, described illuminator forms a plurality of luminous group, described in each, luminous group comprises at least one high colour gamut illuminator and at least one low colour gamut illuminator, and a plurality of described luminous group forms at least one row.
Optionally, be positioned at a plurality of luminous group of same row identical.
Optionally, described luminous group comprises a high colour gamut illuminator and a low colour gamut illuminator, and a plurality of described luminous group of shapes are in a row, and described high colour gamut illuminator is parallel with the arragement direction of low colour gamut illuminator and described row's direction.
Optionally, described luminous group comprises a high colour gamut illuminator and a low colour gamut illuminator, and a plurality of described luminous group of shapes are in a row, and described high colour gamut illuminator is vertical with the arragement direction of low colour gamut illuminator and described row's direction.
Optionally, described luminous group comprises two high colour gamut illuminators and two low colour gamut illuminators, and described two high colour gamut illuminators and two low colour gamut illuminator circumference array arrange, wherein, high colour gamut illuminator and low colour gamut luminaire spacing arrange, and a plurality of described luminous group of shapes are in a row.
Optionally, the arragement direction of spaced two high colour gamut illuminators and described row's direction are vertical in described luminous group, and the arragement direction of two low colour gamut illuminators is parallel with described row's direction.
Optionally, described backlight module also comprises: control circuit, high colour gamut illuminator control module, low colour gamut illuminator control module, and control circuit is connected with high colour gamut illuminator control module and low colour gamut illuminator control module respectively; High colour gamut illuminator control module, for controlling the opening and closing of each high colour gamut illuminator; Low colour gamut illuminator control module, for controlling the opening and closing of each low colour gamut illuminator.
Optionally, described high colour gamut illuminator and described low colour gamut illuminator are LED.
The utility model embodiment provides a kind of display unit, comprises arbitrary described backlight module that the utility model embodiment provides.
Optionally, described backlight module is straight lower backlight module or side entrance back module.
A kind of backlight module and display unit that the utility model embodiment provides, the illuminator of described backlight module forms a plurality of luminous group, described in each, luminous group comprises at least one high colour gamut illuminator and at least one low colour gamut illuminator, a plurality of described luminous group forms at least one row, described backlight module can pass through the control to high colour gamut illuminator and low colour gamut illuminator, realize different colour gamut expression modes, to meet the different demands under user's varying environment.
Accompanying drawing explanation
Fig. 1 is existing down straight aphototropism mode set schematic diagram;
Fig. 2 be the backlight module in Fig. 1 illuminator schematic diagram is set;
Fig. 3 is existing side entrance back module schematic diagram;
Fig. 4 be the backlight module in Fig. 3 illuminator schematic diagram is set;
Fig. 5 arranges schematic diagram for the illuminator of a kind of backlight module that the utility model embodiment provides;
Fig. 6 arranges schematic diagram for the illuminator of the another kind of backlight module that the utility model embodiment provides;
Fig. 7 arranges schematic diagram for the illuminator of the another kind of backlight module that the utility model embodiment provides;
Fig. 8 arranges schematic diagram for the illuminator of the another kind of backlight module that the utility model embodiment provides;
Fig. 9 arranges schematic diagram for the illuminator of the another kind of backlight module that the utility model embodiment provides;
A kind of illuminator driver element schematic diagram that Figure 10 provides for the utility model embodiment;
Reference numeral:
10) illuminator; 11) backboard; 12) row's illuminator; 13) LGP; 14) blooming piece; 15) reflecting plate; 20) control circuit; 21) high colour gamut illuminator control module; 22) low colour gamut illuminator control module; 120) luminous group; 121) high colour gamut LED; 122) low colour gamut LED.
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.
The utility model embodiment provides a kind of backlight module, comprise: backboard and illuminator, described illuminator is arranged on described backboard, wherein, described illuminator forms a plurality of luminous group, described in each, luminous group comprises at least one high colour gamut illuminator and a low colour gamut illuminator, and a plurality of described luminous group forms at least one row.
It should be noted that, existing backlight module comprises outside backboard and illuminator, also comprise LGP, reflecting plate and blooming piece (comprising diffusion sheet and prismatic lens) etc., the utility model is only enumerated to put relevant part to utility model of the present utility model and is described to illustrate utility model point of the present utility model.
Existing backlight module comprises a kind of illuminator, it can be cathode fluorescent tube (Cold Cathode Fluorescent Lamp, CCFL) or light emitting diode (Light Emitting Diode, LED), it all only has a kind of colour gamut expression mode.
As Fig. 5) as shown in Fig. 9, the illuminator of backlight module described in the utility model forms a plurality of luminous group 120, described in each, luminous group 120 comprises at least one high colour gamut illuminator 121 and at least one low colour gamut illuminator 122, and a plurality of described luminous group 120 forms at least one row.Concrete, existing backlight module generally comprises row's illuminator, certainly, also can comprise many row's illuminators, to meet the demand of brightness.The utility model embodiment be take described backlight module and is comprised that row's illuminator describes as example, and as shown in Figure 5, described in the utility model, row's illuminator 12 comprises a plurality of luminous group 120, and a plurality of luminous group of 120 shapes are in a row.Certainly, described backlight module can also comprise many row's illuminators, as shown in Figure 6, the backlight module of take comprises that two row's illuminators are example, described backlight module comprises two row's illuminators 12, wherein, each row's illuminator 12 includes a plurality of luminous group 120, and described luminous group 120 comprises a high colour gamut LED121 and a low colour gamut LED122.
A kind of backlight module that the utility model embodiment provides, the illuminator of described backlight module forms a plurality of luminous group, described in each, luminous group comprises at least one high colour gamut illuminator and at least one low colour gamut illuminator, a plurality of described luminous group forms at least one row, described backlight module can pass through the control to high colour gamut illuminator and low colour gamut illuminator, realize different colour gamut expression modes, backlight module can carry out according to user's different demands the switching of different colour gamut expression modes, to meet the different demands under different scenes.
Optionally, as shown in figure 10, described backlight module also comprises: control circuit 20, high colour gamut illuminator control module 21, low colour gamut illuminator control module 22, and control circuit 20 is connected with high colour gamut illuminator control module 21 and low colour gamut illuminator control module 22 respectively; High colour gamut illuminator control module 21, for controlling the opening and closing of each high colour gamut illuminator; Low colour gamut illuminator control module 22, for controlling the opening and closing of each low colour gamut illuminator.
Concrete, high colour gamut illuminator control module is controlled separately each high colour gamut illuminator, low colour gamut illuminator control module is controlled separately each low colour gamut illuminator, control circuit is controlled the opening and closing of each illuminator according to user's demand by high colour gamut illuminator control module and low colour gamut illuminator control module, and then can realize different colour gamut expression modes.For example, the paramount colour gamut display mode of the current switching of user, control circuit is controlled high colour gamut illuminator control module, each high colour gamut illuminator is opened, control circuit is controlled low colour gamut illuminator control module simultaneously, each low colour gamut illuminator is closed, and current display mode is high colour gamut display mode.Low colour gamut display mode is contrary with high colour gamut display mode, control circuit is controlled low colour gamut illuminator control module, and each low colour gamut illuminator is opened, and control circuit is controlled high colour gamut illuminator control module simultaneously, each high colour gamut illuminator is closed, realize low colour gamut display mode.Certainly, control circuit can also be opened the high colour gamut illuminator of part and the low colour gamut illuminator of part according to for demand by high colour gamut illuminator control module and low colour gamut illuminator control module, the colour gamut expression mode needing to reach user simultaneously.
Optionally, described high colour gamut illuminator and described low colour gamut illuminator are evenly arranged.To guarantee the uniformity of luminance of backlight module.
Optionally, described high colour gamut illuminator and described low colour gamut illuminator are LED.Be that described high colour gamut illuminator is high colour gamut LED, described low colour gamut illuminator is low colour gamut LED.Certainly, described high colour gamut illuminator and low colour gamut illuminator can also be other illuminators, and the utility model embodiment be take described high colour gamut illuminator and described low colour gamut illuminator and is LED and is elaborated as example.
Optionally, be positioned at a plurality of luminous group of same row identical.As Fig. 5) as shown in Fig. 9, each luminous group 120 is all identical.
Optionally, described backlight module comprises a plurality of luminous group, and described luminous group comprises a high colour gamut LED and a low colour gamut LED, and a plurality of described luminous group of shapes are in a row, and described high colour gamut LED is parallel with the arragement direction of low colour gamut LED and described row's direction.Concrete, as shown in Figure 5, described backlight module comprises row's illuminator 12, described row's illuminator comprises a plurality of luminous group 120, wherein, described luminous group 120 arragement direction that comprises a high colour gamut LED121 and low colour gamut LED122(and described high colour gamut LED121 and described low colour gamut LED122 is 101, and it is parallel with described row's direction.
Optionally, described luminous group comprises a high colour gamut LED and a low colour gamut LED, and a plurality of described luminous group of shapes are in a row, and described high colour gamut LED is vertical with the arragement direction of low colour gamut LED and described row's direction.Concrete, as shown in Figure 7, described backlight module comprises row's illuminator 12, described row's illuminator comprises a plurality of luminous group 120, wherein, described luminous group 120 arragement direction that comprises a high colour gamut LED121 and low colour gamut LED122(and described high colour gamut LED121 and described low colour gamut LED122 is 102, and described row's direction is 101, and described direction 101 is vertical with direction 102.
Optionally, described luminous group comprises two high colour gamut LED and two low colour gamut LED, and described two high colour gamut LED and two low colour gamut LED circumference array arrange, and wherein, high colour gamut LED and low colour gamut LED interval arrange, and a plurality of described luminous group of shapes are in a row.Concrete, as shown in Figure 8, described backlight module comprises row's illuminator 12, described row's illuminator comprises a plurality of luminous group 120, wherein, described luminous group 120 comprises that two high colour gamut LED121 and two low colour gamut LED122(and described two high colour gamut LED121 and two low colour gamut LED122 circumference array arrange, and wherein, high colour gamut LED121 and low colour gamut LED122 interval arrange.
Certainly, described luminous group can also comprise four above illuminators, and the utility model embodiment only be take part and described as example, and arranging of each illuminator can also be carried out different settings according to different demands.
Optionally, the arragement direction of spaced two high colour gamut LED and described row's direction are vertical in described luminous group, and the arragement direction of two low colour gamut LED is parallel with described row's direction.As shown in Figure 8, the arragement direction of two high colour gamut LED121 at interval is 102 directions, and described row's direction is 101 directions, and described 101 directions are vertical with described 102 directions.Comprise four illuminators due to described luminous group, and described four illuminators are arranged with circumference array, the arragement direction as described two high colour gamut LED121 is 102 directions, the arragement direction of described two low colour gamut LED122 and the arragement direction of described two high colour gamut LED121 are 102 vertical, and the arragement direction of described two low colour gamut LED122 and described row's direction are parallel.Like this, described high colour gamut LED and low colour gamut LED's is luminous even, has further guaranteed the uniformity of luminance of backlight module.
Optionally, described LED is rhombus, and wherein a diagonal is parallel with described row.And further preferred, described LED is square.Certainly, described LED can also be circular other shapes that wait, and the described LED of take in the utility model accompanying drawing carries out detailed description as square as example.Concrete, as shown in Figure 9, a wherein diagonal of each LED is that 101 directions are parallel with described row's direction, its another diagonal is vertical with described row's direction.The LED compactness of arranging like this, the utilization rate of light is high.
It should be noted that, backlight module of the present utility model can be that side entrance back module can be also down straight aphototropism mode set, the utility model embodiment and accompanying drawing only be take side entering type and are described as example, down straight aphototropism mode set comprises many row's illuminators, its each row can be identical with row's illuminator of side entrance back module in the utility model embodiment, does not here just repeat.
The utility model embodiment provides a kind of display unit, comprises arbitrary described backlight module that the utility model embodiment provides.Described display unit can be the display devices such as liquid crystal display, electric paper display and any product or the parts with Presentation Function such as TV, digital camera, mobile phone, panel computer that comprise these display devices.
Optionally, described backlight module is down straight aphototropism mode set or side entrance back module.
It should be noted that, existing backlight module is divided into side entrance back module and down straight aphototropism mode set according to the position difference of light source.Down straight aphototropism mode set directly illuminator be placed in exiting surface below, the light that illuminator sends becomes area source and sends after the mixing of the diffusion of one section of space length and diffuser plate and blooming piece etc.As shown in Figure 1 and Figure 2, illuminator 10 is arranged on described backboard 11, illuminator 10 be arranged on exiting surface below, the light that illuminator sends is through diffuser plate 13 diffusion, then after blooming piece 14 mixes, becomes area source and send.The illuminator of side entrance back module is arranged on the side of backlight module, and the light transmission baffle reflection that illuminator produces, to LGP, converts area source to through LGP and sends.As shown in Figure 3, Figure 4, illuminator 10 is arranged on described backboard 11, and illuminator 10 is arranged on the side of exiting surface, and the light transmission reflecting plate 15 that illuminator 10 produces reflexes in LGP 13, converts area source to send through LGP 13 and blooming piece 14.The described backlight module that the utility model embodiment provides, can be down straight aphototropism mode set, can be also side entrance back module.
The above; it is only the specific embodiment of the present utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (10)
1. a backlight module, comprise: backboard and illuminator, described illuminator is arranged on described backboard, it is characterized in that, described illuminator forms a plurality of luminous group, described in each, luminous group comprises at least one high colour gamut illuminator and at least one low colour gamut illuminator, and a plurality of described luminous group forms at least one row.
2. backlight module according to claim 1, is characterized in that, a plurality of luminous group of being positioned at same row is identical.
3. backlight module according to claim 2, it is characterized in that, described luminous group comprises a high colour gamut illuminator and a low colour gamut illuminator, and a plurality of described luminous group of shapes are in a row, and described high colour gamut illuminator is parallel with the arragement direction of low colour gamut illuminator and described row's direction.
4. backlight module according to claim 2, it is characterized in that, described luminous group comprises a high colour gamut illuminator and a low colour gamut illuminator, and a plurality of described luminous group of shapes are in a row, and described high colour gamut illuminator is vertical with the arragement direction of low colour gamut illuminator and described row's direction.
5. backlight module according to claim 2, it is characterized in that, described luminous group comprises two high colour gamut illuminators and two low colour gamut illuminators, and described two high colour gamut illuminators and two low colour gamut illuminator circumference array are arranged, wherein, high colour gamut illuminator and low colour gamut luminaire spacing arrange, and a plurality of described luminous group of shapes are in a row.
6. backlight module according to claim 5, is characterized in that, the arragement direction of spaced two high colour gamut illuminators and described row's direction are vertical in described luminous group, and the arragement direction of two low colour gamut illuminators is parallel with described row's direction.
7. backlight module according to claim 1, is characterized in that, also comprises: control circuit, high colour gamut illuminator control module, low colour gamut illuminator control module,
Control circuit is connected with high colour gamut illuminator control module and low colour gamut illuminator control module respectively;
High colour gamut illuminator control module, for controlling the opening and closing of each high colour gamut illuminator;
Low colour gamut illuminator control module, for controlling the opening and closing of each low colour gamut illuminator.
8. according to the backlight module described in claim 1-7 any one, it is characterized in that, described high colour gamut illuminator and described low colour gamut illuminator are LED.
9. a display unit, is characterized in that, comprises the backlight module described in claim 1-8 any one.
10. display unit according to claim 9, is characterized in that, described backlight module is down straight aphototropism mode set or side entrance back module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320548294.2U CN203442606U (en) | 2013-09-04 | 2013-09-04 | Backlight module and display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320548294.2U CN203442606U (en) | 2013-09-04 | 2013-09-04 | Backlight module and display device |
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| CN203442606U true CN203442606U (en) | 2014-02-19 |
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| CN201320548294.2U Expired - Lifetime CN203442606U (en) | 2013-09-04 | 2013-09-04 | Backlight module and display device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016127609A1 (en) * | 2015-02-13 | 2016-08-18 | 京东方科技集团股份有限公司 | Adjustable backlight source device, display device and usage method therefor |
| CN106019705A (en) * | 2016-06-15 | 2016-10-12 | 芜湖聚飞光电科技有限公司 | Direct type backlight bar set, manufacturing method thereof, spliced screen unit and spliced screen |
| CN113156701A (en) * | 2021-03-09 | 2021-07-23 | 睿合科技有限公司 | High-brightness and high-color-gamut method based on direct type backlight and driving method |
-
2013
- 2013-09-04 CN CN201320548294.2U patent/CN203442606U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016127609A1 (en) * | 2015-02-13 | 2016-08-18 | 京东方科技集团股份有限公司 | Adjustable backlight source device, display device and usage method therefor |
| US10210819B2 (en) | 2015-02-13 | 2019-02-19 | Boe Technology Group Co., Ltd. | Tunable backlight device, a display device and a method of driving the same |
| CN106019705A (en) * | 2016-06-15 | 2016-10-12 | 芜湖聚飞光电科技有限公司 | Direct type backlight bar set, manufacturing method thereof, spliced screen unit and spliced screen |
| CN113156701A (en) * | 2021-03-09 | 2021-07-23 | 睿合科技有限公司 | High-brightness and high-color-gamut method based on direct type backlight and driving method |
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Granted publication date: 20140219 |