CN103712127A - Light source assembly, backlight module and display device - Google Patents
Light source assembly, backlight module and display device Download PDFInfo
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- CN103712127A CN103712127A CN201310717615.1A CN201310717615A CN103712127A CN 103712127 A CN103712127 A CN 103712127A CN 201310717615 A CN201310717615 A CN 201310717615A CN 103712127 A CN103712127 A CN 103712127A
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Abstract
本发明提供一种光源组件、背光模组和显示装置，属于显示技术领域，其可解决现有的背光模组的出射光亮度不均匀的问题。本发明的光源组件，包括用于发光的点光源和用于容纳所述点光源的容置部，所述容置部具有开口、与开口相对的底面以及连接在底面和开口间的侧面，且所述容置部包括第一容置部，所述第一容置部的底面设有向其开口发光的所述点光源，第一容置部侧面外设有至少一个所述点光源。本发明的背光模组包括上述光源组件，显示装置包括上述背光模组。本发明可用于提升背光模组的出射光的亮度均匀性和改善显示装置的显示品质。
The invention provides a light source component, a backlight module and a display device, which belong to the technical field of display and can solve the problem of uneven brightness of the outgoing light of the existing backlight module. The light source assembly of the present invention includes a point light source for emitting light and an accommodating portion for accommodating the point light source, the accommodating portion has an opening, a bottom surface opposite to the opening, and a side surface connected between the bottom surface and the opening, and The accommodating portion includes a first accommodating portion, the bottom surface of the first accommodating portion is provided with the point light source emitting light toward its opening, and at least one of the point light sources is provided outside the side of the first accommodating portion. The backlight module of the present invention includes the above-mentioned light source assembly, and the display device includes the above-mentioned backlight module. The invention can be used to improve the brightness uniformity of the outgoing light of the backlight module and improve the display quality of the display device.
Description
Technical field
The invention belongs to Display Technique field, be specifically related to a kind of light source assembly, backlight module and display unit.
Background technology
Liquid crystal display obtains extensive use with its good quality, but because liquid crystal itself is not luminous, needs a backlight module to provide image to show needed light.For making all have preferably viewing effect from all angles, LCDs need to meet the requirement of brightness homogeneity, requires thus the brightness of the emergent light of backlight module must be evenly.
Side entrance back module has become the main flow of design of backlight module.Yet, for side entrance back module, as shown in Figure 1, a plurality of LED(Light Emitting Diode of lamp bar 2 ' above have, light emitting diode) lamp 3 ', adjacent LED lamp 3 ' between spacing be A, due to the certain lighting angle α of LED lamp 3 ' have, the unlapped region of utilizing emitted light that so just causes the edge part 11 ' generation lamp bar at LGP 1, be dark space 4 ' (hot spot, claim again firefly phenomenon), a little less than the brightness of dark space, thereby cause the emergent light brightness irregularities of backlight module.
At present, thus be generally to solve the weak problem that causes the emergent light brightness irregularities of backlight module of LGP dark space brightness by increasing the quantity of LED lamp.
Inventor finds that in prior art, at least there are the following problems: narrow frame and super narrow frame are following development trends of liquid crystal display product, the light-emitting area of LED lamp will be more and more less to the distance between territory, effective display area, and current SMT(surface installation technique) restriction of manufacturing process ability, only can not address the above problem preferably by increasing the quantity of LED lamp.
Summary of the invention
Technical problem to be solved by this invention comprises, the problem for the emergent light brightness irregularities of existing backlight module, provides a kind of emergent light brightness light source assembly, backlight module and display unit comparatively uniformly.
The technical scheme that solution the technology of the present invention problem adopts is a kind of light source assembly, comprise for luminous spot light with for holding the holding part of described spot light, described holding part there is opening, the bottom surface relative with opening and be connected to bottom surface and opening between side, and described holding part comprises the first holding part, wherein
The bottom surface of described the first holding part is provided with to the luminous described spot light of its opening, and the side of described the first holding part outside is provided with spot light described at least one.
Preferably, two relative positions outside the side of described the first holding part are all at least provided with a described spot light.
Preferably, described light source assembly also comprises at least one second holding part, the bottom surface of described the second holding part is the side of the first holding part, and the side of the second holding part is located at outside the side of the first holding part, and the spot light of being located at outside the side of the first holding part is positioned at the second holding part.
Preferably, in described holding part, fill packaging plastic.
Further preferably, described spot light is color LED lamp, and the light that is included in described color LED lamp in described packaging plastic excites down fluorescent material or the phosphor mixture that sends white light.
Again preferably, described LED lamp is blue LED lamp, and described fluorescent material is yellow fluorescent powder;
Or
Described LED lamp ultraviolet leds lamp, described fluorescent material is the mixture that comprises the mixture of red, green, blue fluorescent material or comprise indigo plant, yellow fluorescent material.
Preferably, the material of described holding part is the reflecting material with light reflection function.
Preferably, described spot light is white LED lamp.
Preferably, described light source assembly comprises a plurality of the first holding parts, and described in each, bottom surface of the first holding part is all connected on same.
Light source assembly provided by the invention comprises the first holding part, its bottom surface is provided with at least one spot light, at least one position in the outside, side of the first holding part is provided with at least one spot light, and the lighting angle of light source assembly has obtained raising by a relatively large margin like this, and maximum lighting angle can reach 180 degree.Therefore, adopt light source assembly of the present invention as the backlight module of light source, the brightness of its emergent light is more even.
The technical scheme that solution the technology of the present invention problem adopts is a kind of backlight module, and described backlight module comprises the light source assembly that at least one is above-mentioned.
Backlight module of the present invention comprises above-mentioned light source assembly, so it has the more uniform advantage of brightness of emergent light.
The technical scheme that solution the technology of the present invention problem adopts is a kind of display unit, and described display unit comprises above-mentioned backlight module.
Display unit of the present invention comprises above-mentioned backlight module, thereby the display quality of display unit is had been further upgraded.
Accompanying drawing explanation
Fig. 1 is that the dark space on the LGP of existing backlight module forms schematic diagram;
Fig. 2 to Fig. 5 is the structural representation of four kinds of light source assemblies of embodiments of the invention 2;
Fig. 6 is the schematic diagram of lighting angle of the light source assembly of embodiments of the invention 2.
Wherein Reference numeral is: 1 ', LGP; 2 ', lamp bar; 3 ', LED lamp; 4 ', dark space; 11 ', edge part; 1, the first die cavity; 2, the second die cavity; 3, spot light.
The specific embodiment
For making those skilled in the art understand better technical scheme of the present invention, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Embodiment 1:
The present embodiment provides a kind of light source assembly, is mainly used as the light source of the backlight module of liquid crystal indicator.Light source assembly comprises for luminous spot light with for holding the holding part of spot light, holding part comprises the first holding part, holding part there is opening, the bottom surface relative with opening and be connected to bottom surface and opening between side, wherein, the bottom surface of the first holding part is provided with to the luminous spot light of its opening, and its outside, side is provided with at least one spot light.
Preferably, two relative positions outside the side of described the first holding part are all at least provided with a spot light.
Preferably, described light source assembly also comprises at least one second holding part, the bottom surface of described the second holding part is the side of the first holding part, and the side of the second holding part is located at outside the side of the first holding part, and the spot light of being located at outside the side of the first holding part is positioned at the second holding part.
The light source assembly that the present embodiment provides comprises the first holding part, its bottom surface is provided with at least one spot light, at least one position outside the side of the first holding part is provided with at least one spot light, like this, the lighting angle of light source assembly has obtained raising by a relatively large margin, and maximum lighting angle can reach 180 degree.Therefore, adopt light source assembly of the present invention as the backlight module of light source, the brightness of its emergent light is more even.
Embodiment 2:
The present embodiment provides a kind of light source assembly, and as shown in Figures 2 to 5, what they were different from light source assembly in embodiment 1 is, holding part in the present embodiment is die cavity, comprise the first die cavity 1, die cavity is rectangular-shaped cavity body structure, is also equivalent to a rectangular-shaped box with opening.Fig. 2 shows the first structure of light source assembly, the wherein one side of the first die cavity 1 is opening, the plane relative with the one side of opening is bottom surface, bottom surface is provided with at least one spot light 3, the light directive opening that spot light 3 sends, one of them side vertical with the first die cavity 1 bottom surface is the first side, and the first side is provided with at least one spot light 3, and spot light 3 is outside the first die cavity 1.Under this kind of situation, the side relative with the first side of obvious the first die cavity 1 also can be made as opening, and can increase to a certain extent the lighting angle of light source assembly.
The second structure of light source assembly, preferred, as shown in Figure 3, the side relative with the first side of the first die cavity 1 is the second side, and the second side is provided with at least one spot light 3, and spot light 3 is outside the first die cavity 1.Be the light source assembly of this kind of situation, outside the first side of the first die cavity 1 He outside the second side, be equipped with spot light 3, with respect to the structure of the first light source assembly, it is large that the lighting angle of the second light source assembly further becomes.
Further preferred, light source assembly also comprises that the bottom surface of at least one the second die cavity 2, the second die cavity 2 is the side of the first die cavity 1, and the side of the second die cavity 2 is located at outside the side of the first die cavity 1, and the spot light of being located at outside the side of die cavity 1 is positioned at the second die cavity 2.Be under this kind of situation, spot light 1 is located on the bottom surface of the second die cavity, correspondingly forms the structure comprise the third and the 4th kind of light source assembly as shown in Figure 4 and Figure 5.
Be understandable that, four kinds of structures of above-mentioned light source assembly, with reference to accompanying drawing 6, wherein the second, the third, the lighting angle of the light source of the 4th kind of structure all can reach 180 degree, adopt the backlight module of one of above-mentioned four kinds of structures, the brightness of its emergent light is more even.
Preferably, light source assembly comprises a plurality of the first die cavities 1, and respectively the bottom surface of first die cavity 1 is all connected on a bar, and further, the bottom surface of the first die cavity 1 is all connected on a vertical bar, can form thus a line source.
Wherein, spot light 3 is preferably white LED lamp, and its white light sending can directly be used as the light of backlight module.
Preferably, in first, second, and third die cavity, fill packaging plastic, the material of packaging plastic is silica gel material or epoxide resin material.The effect of packaging plastic both can be protected LED lamp, can in packaging plastic, mix different fluorescent material again, thereby spot light 3 can adopt the LED lamp of more color types.
Particularly, further preferred, spot light 3 is color LED lamp, and the light that is included in color LED lamp in packaging plastic excites down fluorescent material or the phosphor mixture that sends white light.Preferred again, when LED lamp is blue LED lamp, fluorescent material is yellow fluorescent powder; Or when LED lamp is ultraviolet leds lamp, fluorescent material is the mixture that comprises the mixture of red, green, blue fluorescent material or comprise indigo plant, yellow fluorescent material.
In the present embodiment, preferred, the material of first, second, and third die cavity adopts the reflecting material with light reflection function, and reflecting material can be plastic material or ceramic material.Like this, when light source assembly is during as the light source of backlight module, can make in the LGP of more light entry of backlight module, and then make the brightness of emergent light of backlight module more even.
The light source assembly that the present embodiment provides comprises the first die cavity, and its bottom surface is provided with at least one spot light, and at least one position outside the side of the first die cavity is provided with at least one spot light.Like this, the lighting angle of light source assembly has obtained raising by a relatively large margin, and maximum lighting angle can reach 180 degree.Therefore, adopt the light source assembly of the present embodiment as the backlight module of light source, the brightness of its emergent light is more even.
Embodiment 3:
The present embodiment provides a kind of backlight module, and this backlight module comprises the light source assembly described at least one embodiment 2, and this light source assembly is arranged in a linear to form line source.Certainly, the backlight module of the present embodiment also comprises as known structures such as LGPs, is not described in detail in this.
The light source assembly providing in embodiment 2 is provided the backlight module of the present embodiment, the lighting angle of this light source assembly can reach 180 degree, thereby can effectively solve the backlight module being caused by LED lamp lighting angle restriction LGP the problem of the bright dark inequality of light inlet side, be specially adapted to the narrow frame liquid crystal display product of current very main flow.
The backlight module of the present embodiment comprises above-mentioned light source assembly, so it has the more uniform advantage of brightness of emergent light.
The present embodiment also provides a kind of display unit, and display unit comprises above-mentioned backlight module, also comprises the known structures such as known array base palte, color membrane substrates, at this, is not described further.
Display unit in the present embodiment can be liquid crystal indicator, in addition, display unit can also be: any product or parts with Presentation Function such as Electronic Paper, mobile phone, panel computer, television set, display, notebook computer, DPF, navigator.
The display unit of the present embodiment comprises above-mentioned backlight module, thereby the display quality of display unit is had been further upgraded.
Be understandable that, above embodiment is only used to principle of the present invention is described and the illustrative embodiments that adopts, yet the present invention is not limited thereto.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (11)
1. a light source assembly, comprise for luminous spot light with for holding the holding part of described spot light, described holding part there is opening, the bottom surface relative with opening and be connected to bottom surface and opening between side, and described holding part comprises the first holding part, the bottom surface of described the first holding part is provided with to the luminous described spot light of its opening, it is characterized in that, the first holding part side outside is provided with spot light described at least one.
2. light source assembly according to claim 1, is characterized in that, two relative positions outside the side of described the first holding part are all at least provided with a described spot light.
3. light source assembly according to claim 1 and 2, it is characterized in that, described light source assembly also comprises at least one second holding part, the bottom surface of described the second holding part is the side of the first holding part, the side of the second holding part is located at outside the side of the first holding part, and the spot light of being located at outside the side of the first holding part is positioned at the second holding part.
4. light source assembly according to claim 1 and 2, is characterized in that, in described holding part, fills packaging plastic.
5. light source assembly according to claim 4, is characterized in that, described spot light is color LED lamp, and the light that is included in described color LED lamp in described packaging plastic excites down fluorescent material or the phosphor mixture that sends white light.
6. light source assembly according to claim 5, is characterized in that, described LED lamp is blue LED lamp, and described fluorescent material is yellow fluorescent powder;
Or
Described LED lamp ultraviolet leds lamp, described fluorescent material is the mixture that comprises the mixture of red, green, blue fluorescent material or comprise indigo plant, yellow fluorescent material.
7. light source assembly according to claim 1, is characterized in that, described spot light is white LED lamp.
8. light source assembly according to claim 1, is characterized in that, the material of described holding part is the reflecting material with light reflection function.
9. light source assembly according to claim 1, is characterized in that, described light source assembly comprises a plurality of the first holding parts, and described in each, bottom surface of the first holding part is all connected on same.
10. a backlight module, is characterized in that, described backlight module comprises at least one light source assembly as in one of claimed in any of claims 1 to 9.
11. 1 kinds of display unit, is characterized in that, described display unit comprises backlight module as claimed in claim 10.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310717615.1A CN103712127B (en) | 2013-12-23 | 2013-12-23 | A kind of light source assembly, backlight module and display unit |
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| CN201310717615.1A CN103712127B (en) | 2013-12-23 | 2013-12-23 | A kind of light source assembly, backlight module and display unit |
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| CN103712127B CN103712127B (en) | 2016-05-11 |
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| CN107340629A (en) * | 2016-04-29 | 2017-11-10 | 乐金显示有限公司 | Display device |
| CN107884992A (en) * | 2017-12-26 | 2018-04-06 | 惠州市华星光电技术有限公司 | The backlight module and display device of low cost |
| US10802332B2 (en) | 2017-12-26 | 2020-10-13 | Huizhou China Star Optoelectronics Technology Co., Ltd. | Low cost backlight module and display device |
| CN111968507A (en) * | 2020-08-14 | 2020-11-20 | Oppo（重庆）智能科技有限公司 | Backlight module, display screen assembly and electronic equipment |
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|---|---|
| CN103712127B (en) | 2016-05-11 |
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