CN203615191U - Backlight module, display device and portable terminal equipment - Google Patents
Backlight module, display device and portable terminal equipment Download PDFInfo
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- CN203615191U CN203615191U CN201320825557.XU CN201320825557U CN203615191U CN 203615191 U CN203615191 U CN 203615191U CN 201320825557 U CN201320825557 U CN 201320825557U CN 203615191 U CN203615191 U CN 203615191U
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- light source
- backlight module
- flexible pcb
- entrance face
- light
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- XBBRGUHRZBZMPP-UHFFFAOYSA-N 1,2,3-trichloro-4-(2,4,6-trichlorophenyl)benzene Chemical compound ClC1=CC(Cl)=CC(Cl)=C1C1=CC=C(Cl)C(Cl)=C1Cl XBBRGUHRZBZMPP-UHFFFAOYSA-N 0.000 description 8
- RPPNJBZNXQNKNM-UHFFFAOYSA-N 1,2,4-trichloro-3-(2,4,6-trichlorophenyl)benzene Chemical compound ClC1=CC(Cl)=CC(Cl)=C1C1=C(Cl)C=CC(Cl)=C1Cl RPPNJBZNXQNKNM-UHFFFAOYSA-N 0.000 description 8
- JHJMZCXLJXRCHK-UHFFFAOYSA-N 1,2,3,4,5-pentachloro-6-(3-chlorophenyl)benzene Chemical compound ClC1=CC=CC(C=2C(=C(Cl)C(Cl)=C(Cl)C=2Cl)Cl)=C1 JHJMZCXLJXRCHK-UHFFFAOYSA-N 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
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- 238000012986 modification Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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Abstract
The utility model discloses a backlight module which comprises a light guide plate, a first light source and a second light source, wherein the light guide plate is provided with a light incident surface which is arranged on the side of the light guide plate, the light incident surface receives lights emitted by the first light source and the second light source, the first light source and the second light source are different in colorimetric characteristics and radiated alternately. The utility model further discloses a display device and portable terminal equipment using the backlight module. The backlight module has the advantages that it can simultaneously satisfy the luminance and chromaticity requirement of the screen and the colorific expression of the screen is improved.
Description
Technical field
The utility model relates to back light source technique field, particularly relates to a kind of backlight module, display unit and portable terminal.
Background technology
At existing TFT(Thin Film Transistor, TFT) in screen mobile phone, backlight is generally white light LEDs, and white light LEDs makes Mobile phone screen can realize higher brightness relatively, to adapt to outdoor highlighted environment for use.
Due to environment for use difference, make the colour gamut (NTSC) of mobile phone screen more much lower than the colour gamut of video screen.Generally, the colour gamut value of mobile phone screen is only 70% left and right, and the colour gamut value of video screen can reach 100%, even higher.Because colour gamut value is lower, make the color representation power of mobile phone screen poor.
In the prior art, in order to improve the colour gamut value of mobile phone screen, can improve in the following manner the colour gamut of mobile phone screen with the TFT screen of backlight: 1. the mode that uses the LED lamp of high colour gamut (general colour gamut value is higher than 70%); 2. the mode of thickening color blocking.But above-mentioned two kinds of modes all can make the brightness of mobile phone screen fall a lot, thereby make mobile phone screen cannot meet the requirement of high brightness, make mobile phone screen poor to the expressive force of color, cannot meet the demonstration demand of high image quality.
Therefore, how to provide a kind of backlight module, can meet the requirement of mobile phone screen to brightness and colourity simultaneously, become the problem that those skilled in the art need to solve.
Utility model content
The purpose of this utility model is, a kind of backlight module, display unit and portable terminal are provided, and can meet the requirement of screen to brightness and colourity simultaneously, improves the expressive force of display screen to color.
For solving the problems of the technologies described above, the utility model provides a kind of backlight module, comprising:
LGP, has light entrance face, and described light entrance face is arranged at the side of described LGP;
The first light source and secondary light source, described light entrance face receives the light that described the first light source and secondary light source send;
Wherein, the colorimetric characteristics of described the first light source is different from the colorimetric characteristics of secondary light source, and described the first light source and secondary light source are alternately luminous.
Further, in described backlight module, described light entrance face comprises the first light entrance face and the second light entrance face, and described the first light entrance face receives the light that described the first light source sends, and described the second light entrance face receives the light that described secondary light source sends.
Further, in described backlight module, described backlight module also comprises the first flexible PCB, the second flexible PCB and main flexible PCB, described the first light source connects described the first flexible PCB, described secondary light source connects described the second flexible PCB, and described the first flexible PCB is connected with described main flexible PCB respectively with the second flexible PCB.
Further, in described backlight module, described backlight module also comprises a main flexible PCB, and described main flexible PCB has the first link and the second link, and described the first link and the second link are connected with secondary light source with described the first light source respectively.
Further, in described backlight module, described LGP is square plate, two relative sides that described the first light entrance face and the second light entrance face are described square plate.
Further, in described backlight module, described the first light source is white light source, and described secondary light source is high colour gamut light source.
Further, in described backlight module, described the first light source and secondary light source are LED.
Further, in described backlight module, described the first light source is the LED that blue chip and yellow fluorescent powder form.
Further, in described backlight module, described secondary light source is the LED that blue chip, green emitting phosphor and red light chips form, or three look RGB LED, or all-colour LED.
According on the other hand of the present utility model, a kind of display unit is also provided, comprising:
Display floater and backlight module as above, described display floater is arranged at the emission side of described backlight module.
According on the other hand of the present utility model, a kind of portable terminal is also provided, comprising:
As above the display unit described in any;
For detection of the luminance sensor of ambient brightness, and send a luminance signal;
For selecting described the first light source luminescent or the luminous brightness setting unit of described secondary light source according to described luminance signal, described brightness setting unit is accepted described luminance signal, sends a selection signal;
Described the first light source and secondary light source are accepted described selection signal.
Compared with prior art, the utility model provides backlight module, display unit and portable terminal have the following advantages:
The utility model provides a kind of backlight module, display unit and portable terminal, this backlight module comprises LGP, the first light source and secondary light source, compared with prior art, the colorimetric characteristics of described the first light source is different from the colorimetric characteristics of secondary light source, described the first light source and secondary light source are alternately luminous, make display screen can different in the situation that, send different light, meet the requirement of display screen under different situations, improve the expressive force of display screen to color.
Accompanying drawing explanation
Fig. 1 is the top view of the backlight module of the utility model the first embodiment;
Fig. 2 is the profile of Fig. 1 along AA ' line;
Fig. 3 is the profile of Fig. 1 along BB ' line;
Fig. 4 is the generalized section of the display unit of the utility model the first embodiment;
Fig. 5 is the schematic diagram of the portable terminal of the utility model the first embodiment;
Fig. 6 is the top view of the backlight module of the utility model the second embodiment;
Fig. 7 is the profile of Fig. 6 along CC ' line;
Fig. 8 is the profile of Fig. 6 along DD ' line.
The specific embodiment
Below in conjunction with schematic diagram, backlight module of the present utility model, display unit and portable terminal are described in more detail, wherein represent preferred embodiment of the present utility model, should be appreciated that those skilled in the art can revise the utility model described here, and still realize advantageous effects of the present utility model.Therefore, following description is appreciated that extensively knowing for those skilled in the art, and not as to restriction of the present utility model.
In the following passage, with way of example, the utility model is more specifically described with reference to accompanying drawing.According to the following describes and claims, advantage of the present utility model and feature will be clearer.It should be noted that, accompanying drawing all adopts very the form of simplifying and all uses non-ratio accurately, only in order to convenient, the object of aid illustration the utility model embodiment lucidly.
Core concept of the present utility model is, the utility model provides a kind of backlight module, and this backlight module comprises: LGP, there is light entrance face, and described light entrance face is arranged at the side of described LGP; The first light source and secondary light source, described light entrance face receives the light that described the first light source and secondary light source send; Wherein, the colorimetric characteristics of described the first light source is different from the colorimetric characteristics of secondary light source, described the first light source and secondary light source are alternately luminous, thereby make display screen can different in the situation that, send different light, meet the requirement of display screen under different situations, improve the expressive force of display screen to color.
Further, in conjunction with above-mentioned backlight module, the utility model also provides a kind of display unit, comprises described backlight module and display floater, and described display floater is arranged at the emission side of described backlight module.
Further, in conjunction with above-mentioned display unit, the utility model also provides a kind of portable terminal, comprising: display unit as above; For selecting described the first light source luminescent or the luminous brightness setting unit of described secondary light source, described brightness setting unit is sent a selection signal; Luminance sensor, is connected with described the first light source, secondary light source and brightness setting unit signal respectively, and described luminance sensor receives described selection signal, and sends switching signal to described the first light source, secondary light source respectively.
Below enumerate several embodiment of described backlight module, display unit and portable terminal, to clearly demonstrate content of the present utility model, will be clear that, content of the present utility model is not restricted to following examples, and other improvement by those of ordinary skills' routine techniques means are also within thought range of the present utility model.
The first embodiment
Refer to Fig. 1-Fig. 3 and illustrate the first embodiment of the present utility model, wherein, Fig. 1 is the top view of the backlight module of the utility model the first embodiment; Fig. 2 is the profile of Fig. 1 along AA ' line; Fig. 3 is the profile of Fig. 1 along BB ' line.In this first embodiment, described light entrance face comprises first plane of incidence 111 and the second light entrance face 112, described the first light entrance face 111 receives the light that described the first light source 120 sends, described the second light entrance face 112 receives the light that described secondary light source 130 sends, and described backlight module 100 is realized the connection of circuit by the first flexible PCB 140, the second flexible PCB 150 and main flexible PCB 160.
As shown in Figure 1, described backlight module (Back Light Unit) 100 comprises LGP 110, the first light source 120 and secondary light source 130.Described LGP 110 has light entrance face, and described light entrance face is arranged at the side of described LGP 110.In the present embodiment, described light entrance face has the first light entrance face 111 and the second light entrance face 112.In the present embodiment, described LGP 110 is square plate, but described LGP 110 is not limited to as square plate, and described LGP 110 can also be circular slab, square plate or trapezoidal plate, specifically arranges as required.Wherein, two relative sides that described the first light entrance face 111 and the second light entrance face 112 are described square plate, in the present embodiment, described the first light entrance face 111 and the second light entrance face 112 are positioned at two short sides of described square plate, but described the first light entrance face 111 and the second light entrance face 112 can also be positioned at two long side faces of described square plate.And described the first light entrance face 111 and the second light entrance face 112 are not limited to the side relative into two of described square plate, can also be positioned at two adjacent sides of described square plate.
Wherein, described the first light source 120 is relative with described the first light entrance face 111, described light the first light entrance face 111 receives the light that described the first light source 120 sends, described secondary light source 130 is relative with described the second light entrance face 112, and described the second light entrance face 112 receives the light that described secondary light source 130 sends.But the implementation of described the first light source 120 and secondary light source 130 is not limited to aforesaid way.In other embodiment of the present utility model, described the first light source 120 and secondary light source 130 can also be at the described light entrance faces of the same side, described the first light source 120 and secondary light source 130 are spaced at described light entrance face successively, this is what it will be appreciated by those skilled in the art that, and therefore not to repeat here.
In the present embodiment, comprise respectively multiple described the first light sources 120 and multiple described secondary light source 130, but the quantity of described the first light source 120 and secondary light source 130 does not limit.Wherein, the colorimetric characteristics of described the first light source 120 is different from the colorimetric characteristics of secondary light source 130, in the present embodiment, described the first light source 120 is white light source, described secondary light source 130 is high colour gamut light source, make in the present embodiment, described backlight module 100 can send high brightness and two kinds of different light of high colour gamut, thereby meets the different needs.But, the colorimetric characteristics of described the first light source 120 can also be the different of alternate manner from the colorimetric characteristics of secondary light source 130, according to concrete demand, described the first light source 120 and secondary light source 130 can also be respectively white light source and red light source, red light source and blue-light source etc., specifically do not know restriction, as long as the colorimetric characteristics of described the first light source 120 is different from the colorimetric characteristics of secondary light source 130, also within thought range of the present utility model.
Preferably, described the first light source 120 and secondary light source 130 are LED, but described the first light source 120 and secondary light source 130 be not limited to as LED, can also be cold cathode (cold cathode fluorescent tube is called for short CCFL).In the present embodiment, described the first light source 120 can be the LED that blue chip and yellow fluorescent powder form, described secondary light source 130 can be the LED that blue chip, green emitting phosphor and red light chips form, or three look RGB LED, or all-colour LED, but described the first light source 120 and secondary light source 130 are not limited to above-mentioned LED, specifically can select as required.
In the present embodiment, described the first light source 120 and secondary light source 130 are alternately luminous, and when described the first light source 120 is when luminous, described secondary light source 130 is not luminous, thereby described backlight module 100 can send the white light of high brightness; When described secondary light source 130 is luminous, described the first light source 120 is not luminous, thereby described backlight module 100 can send the light of high colour gamut, make display screen can different in the situation that, send different light, meet the requirement of display screen under different situations, improve the expressive force of display screen to color.
Preferably, in the present embodiment, described backlight module 100 also comprises that the first flexible PCB 140, the second flexible PCB 150 and main flexible PCB 160 realize the connection of circuit, think that described the first light source 120 and secondary light source 130 switch on, control the luminous of described the first light source 120 and secondary light source 130.Described the first light source 120 connects described the first flexible PCB 140, described secondary light source 150 connects described the second flexible PCB 150, described the first flexible PCB 140 is connected with described main flexible PCB 160 respectively with the second flexible PCB 150, as shown in Figure 1.
In the present embodiment, described the first light source 120 is connected with described the first flexible PCB 140 and the second flexible PCB 150 by the mode of piece respectively with secondary light source 130, as shown in Figures 2 and 3, but described the first light source 120 and secondary light source 130 do not limit with the connected mode of described the first flexible PCB 140 and the second flexible PCB 150.In the present embodiment, described the first flexible PCB 140, the second flexible PCB 150 are bar shaped, realize and being connected of described main flexible PCB 160 to facilitate, but, the shape of described the first flexible PCB 140, the second flexible PCB 150 and main flexible PCB 160 is not also done concrete restriction, as long as can realize the conducting of circuit, also within thought range of the present utility model.
In the present embodiment, on the exiting surface (being upper surface) of described backlight module 100, a display floater 210 is set, can forms with display unit 200, as shown in Figure 4.In the present embodiment, described display unit 200 can also comprise some necessary parts such as framework, diffusion sheet, prismatic lens and brightening piece, this common practise that is this area, and therefore not to repeat here.
The display unit 200 of the present embodiment can be applied as portable terminal, such as the equipment such as mobile phone, PAD.As shown in Figure 5, described portable terminal 300 comprises described display unit 200, luminance sensor 310 and brightness setting unit 320.The described portable terminal 300 of clear expression for simplicity, not shown described display floater 210 in Fig. 5.
Wherein, described luminance sensor 310 is for detection of ambient brightness, and sends a luminance signal.Described brightness setting unit 310, according to described luminance signal, is sent a selection signal, described selection signal controlling select described the first light source luminescent or described secondary light source luminous.
The second embodiment
Refer to Fig. 6-Fig. 8, Fig. 6 is the top view of the backlight module of the utility model the second embodiment, and Fig. 7 is the profile of Fig. 1 along CC ' line, and Fig. 8 is the profile of Fig. 1 along DD ' line.In Fig. 6-Fig. 8, reference number represents the parts that the statement identical with Fig. 1-Fig. 3 is identical with the first embodiment.The backlight module 400 of described the second embodiment is basic identical with the backlight module 100 of described the first embodiment, its difference is: described backlight module 400 comprises a main flexible PCB 460, described main flexible PCB 460 has the first link 460A and the second link 460B, described the first link 460A and the second link 460B are connected with secondary light source 130 with described the first light source 120 respectively, as shown in Figure 7 and Figure 8, but described the first light source 120 and secondary light source 130 do not limit with the connected mode of described main flexible PCB 460.And the shape of described main flexible PCB 460 is not also done concrete restriction, as long as can realize the conducting of circuit, also within thought range of the present utility model.The described main flexible PCB 460 of the present embodiment can also be realized the conducting of circuit, also within thought range of the present utility model.
In sum, the utility model provides a kind of backlight module, and this backlight module comprises: a kind of backlight module, and this backlight module comprises: LGP, has the first light entrance face and the second light entrance face; The first light source is relative with described the first light entrance face; And secondary light source, relative with described the second light entrance face; Wherein, the colorimetric characteristics of described the first light source is different from the colorimetric characteristics of secondary light source, and described the first light source and secondary light source are alternately luminous.Further, in conjunction with above-mentioned backlight module, the utility model also provides a kind of display unit and portable terminal.Compared with prior art, the utility model provides backlight module, display unit and portable terminal have the following advantages:
The utility model provides a kind of backlight module, display unit and portable terminal, this backlight module comprises LGP, the first light source and secondary light source, compared with prior art, the colorimetric characteristics of described the first light source is different from the colorimetric characteristics of secondary light source, described the first light source and secondary light source are alternately luminous, make display screen can different in the situation that, send different light, meet the requirement of display screen under different situations, improve the expressive force of display screen to color.
Obviously, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model the utility model.Like this, if within of the present utility model these are revised and modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model is also intended to comprise these changes and modification interior.
Claims (10)
1. a backlight module, is characterized in that, comprising:
LGP, has light entrance face, and described light entrance face is arranged at the side of described LGP;
The first light source and secondary light source, described light entrance face receives the light that described the first light source and secondary light source send;
Wherein, the colorimetric characteristics of described the first light source is different from the colorimetric characteristics of secondary light source, and described the first light source and secondary light source are alternately luminous.
2. backlight module as claimed in claim 1, it is characterized in that, described light entrance face comprises the first light entrance face and the second light entrance face, and described the first light entrance face receives the light that described the first light source sends, and described the second light entrance face receives the light that described secondary light source sends.
3. backlight module as claimed in claim 2, it is characterized in that, described backlight module also comprises the first flexible PCB, the second flexible PCB and main flexible PCB, described the first light source connects described the first flexible PCB, described secondary light source connects described the second flexible PCB, and described the first flexible PCB and the second flexible PCB are electrically connected with described main flexible PCB respectively.
4. backlight module as claimed in claim 2, it is characterized in that, described backlight module also comprises a main flexible PCB, described main flexible PCB has the first link and the second link, and described the first link and the second link are electrically connected with described the first light source and secondary light source respectively.
5. backlight module as described in any one in claim 2-4, is characterized in that, being shaped as of described LGP is square, two relative sides that described the first light entrance face and the second light entrance face are described LGP.
6. backlight module as claimed in claim 1, is characterized in that, described the first light source is white light source, and described secondary light source is high colour gamut light source.
7. backlight module as claimed in claim 6, is characterized in that, described the first light source and secondary light source are LED.
8. backlight module as claimed in claim 7, is characterized in that, described the first light source is the LED that blue chip and yellow fluorescent powder form; Described secondary light source is the LED that blue chip, green emitting phosphor and red light chips form, or three look RGB LED, or all-colour LED.
9. a display unit, is characterized in that, comprises;
Display floater and the backlight module as described in any one in claim 1-8, described display floater is arranged at the emission side of described backlight module.
10. a portable terminal, is characterized in that, comprises;
Display unit as claimed in claim 9;
For detection of the luminance sensor of ambient brightness, and send a luminance signal;
For selecting described the first light source luminescent or the luminous brightness setting unit of described secondary light source according to described luminance signal, described brightness setting unit is accepted described luminance signal, sends a selection signal;
Described the first light source and secondary light source are accepted described selection signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320825557.XU CN203615191U (en) | 2013-12-13 | 2013-12-13 | Backlight module, display device and portable terminal equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320825557.XU CN203615191U (en) | 2013-12-13 | 2013-12-13 | Backlight module, display device and portable terminal equipment |
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| CN203615191U true CN203615191U (en) | 2014-05-28 |
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| CN201320825557.XU Expired - Lifetime CN203615191U (en) | 2013-12-13 | 2013-12-13 | Backlight module, display device and portable terminal equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114876A (en) * | 2015-09-21 | 2015-12-02 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN106597736A (en) * | 2016-11-22 | 2017-04-26 | 昆山龙腾光电有限公司 | Liquid crystal display module group and liquid crystal display device |
| CN107068070A (en) * | 2017-05-15 | 2017-08-18 | 盐城华星光电技术有限公司 | A kind of liquid crystal display device and backlight lamp control method |
| CN107728377A (en) * | 2017-10-31 | 2018-02-23 | 武汉华星光电技术有限公司 | The control method of backlight module and display |
| CN115236898A (en) * | 2022-08-09 | 2022-10-25 | 广州华星光电半导体显示技术有限公司 | Backlight module, installation method of backlight module and display device |
-
2013
- 2013-12-13 CN CN201320825557.XU patent/CN203615191U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114876A (en) * | 2015-09-21 | 2015-12-02 | 京东方科技集团股份有限公司 | Backlight module and display device |
| WO2017049882A1 (en) * | 2015-09-21 | 2017-03-30 | 京东方科技集团股份有限公司 | Backlight module and display device |
| US10139557B2 (en) | 2015-09-21 | 2018-11-27 | Boe Technology Group Co., Ltd. | Display device with backlight module using electrically conductive adhesive and grounding wire |
| CN106597736A (en) * | 2016-11-22 | 2017-04-26 | 昆山龙腾光电有限公司 | Liquid crystal display module group and liquid crystal display device |
| CN107068070A (en) * | 2017-05-15 | 2017-08-18 | 盐城华星光电技术有限公司 | A kind of liquid crystal display device and backlight lamp control method |
| CN107728377A (en) * | 2017-10-31 | 2018-02-23 | 武汉华星光电技术有限公司 | The control method of backlight module and display |
| WO2019085055A1 (en) * | 2017-10-31 | 2019-05-09 | 武汉华星光电技术有限公司 | Backlight module, and method for controlling display |
| US10629139B2 (en) | 2017-10-31 | 2020-04-21 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Backlight module and control method of display device |
| CN115236898A (en) * | 2022-08-09 | 2022-10-25 | 广州华星光电半导体显示技术有限公司 | Backlight module, installation method of backlight module and display device |
| CN115236898B (en) * | 2022-08-09 | 2024-03-22 | 广州华星光电半导体显示技术有限公司 | Backlight module, mounting method of backlight module and display device |
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