CN103712127B - A kind of light source assembly, backlight module and display unit - Google Patents
A kind of light source assembly, backlight module and display unit Download PDFInfo
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- CN103712127B CN103712127B CN201310717615.1A CN201310717615A CN103712127B CN 103712127 B CN103712127 B CN 103712127B CN 201310717615 A CN201310717615 A CN 201310717615A CN 103712127 B CN103712127 B CN 103712127B
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Abstract
The invention provides a kind of light source assembly, backlight module and display unit, belong to Display Technique field, it can solve the problem of the emergent light brightness irregularities of existing backlight module. Light source assembly of the present invention, 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 the described spot light luminous to its opening, is provided with spot light described at least one outside the first holding part side. Backlight module of the present invention comprises above-mentioned light source assembly, and display unit comprises above-mentioned backlight module. The present invention can be used for the brightness uniformity of the emergent light that promotes backlight module and improves the display quality of display unit.
Description
Technical field
The invention belongs to Display Technique field, be specifically related to a kind of light source assembly, mould backlightGroup and display unit.
Background technology
Liquid crystal display obtains extensive use with its good quality, but due to liquid crystal itselfNot luminous, need a backlight module to provide image to show needed light. For making from respectivelyIndividual angle all has preferably viewing effect, and LCDs need to meet brightness homogeneityRequirement, require 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. But, forSide entrance back module, as shown in Figure 1, the multiple LED(Light of lamp bar 2 ' above haveEmittingDiode, light emitting diode) lamp 3 ', adjacent LED lamp 3 ' between betweenApart from being A, due to LED lamp 3 ' there is certain lighting angle α, so just causeThe unlapped region of utilizing emitted light of edge part 11 ' generation lamp bar of LGP 1, i.e. dark space4 ' (hotspot claims again firefly phenomenon), a little less than the brightness of dark space, thereby cause the back of the bodyThe emergent light brightness irregularities of optical mode group.
At present, be generally to solve the brightness of LGP dark space by the quantity of increase LED lampThereby the weak problem that causes the emergent light brightness irregularities of backlight module.
Inventor finds that in prior art, at least there are the following problems: narrow frame and super narrow limitFrame is following development trend of liquid crystal display product, and the light-emitting area of LED lamp is to effectively aobviousShow that the distance between region will be more and more less, and current SMT(surface installation technique)The restriction of manufacturing process ability, only can not be preferably by the quantity that increases LED lampAddress the above problem.
Summary of the invention
Technical problem to be solved by this invention comprises, for going out of existing backlight modulePenetrate the inhomogeneous problem of brightness, a kind of emergent light brightness light source group comparatively is uniformly providedPart, backlight module and display unit.
The technical scheme that solution the technology of the present invention problem adopts is a kind of light source assembly, bagDraw together for luminous spot light with for holding the holding part of described spot light, described accommodatingPortion 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 the described spot light luminous to its opening, instituteThe side outside of stating the first holding part is provided with spot light described at least one.
Preferably, two relative positions outside the side of described the first holding part all at leastBe provided with a described spot light.
Preferably, described light source assembly also comprises at least one second holding part, described inThe bottom surface of the second holding part is the side of the first holding part, and the side of the second holding part is located atOutside the side of the first holding part, the spot light of being located at outside the side of the first holding part is positioned atIn two holding parts.
Preferably, in described holding part, fill packaging plastic.
Further preferably, described spot light is color LED lamp, and described packaging plasticIn be included in described color LED lamp light excite down the fluorescent material or the fluorescence that send white lightPowder mixture.
Again preferably, described LED lamp is blue LED lamp, and described fluorescent material is yellowLook fluorescent material;
Or
Described LED lamp ultraviolet leds lamp, described fluorescent material is to comprise red, green, blueThe mixture of fluorescent material or comprise the mixture of indigo plant, yellow fluorescent material.
Preferably, the material of described holding part is the reflecting material with light reflection functionMaterial.
Preferably, described spot light is white LED lamp.
Preferably, described light source assembly comprises multiple the first holding parts, and each describedThe bottom surface of one holding part is all connected on same.
Light source assembly provided by the invention comprises the first holding part, and its bottom surface is provided with at least oneIndividual spot light, at least one position in the outside, side of the first holding part is provided with at least oneSpot light, the lighting angle of light source assembly has obtained raising by a relatively large margin, maximum like thisLighting angle can reach 180 degree. Therefore, adopt light source assembly of the present invention as light sourceBacklight module, 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, instituteState the light source assembly that backlight module comprises that at least one is above-mentioned.
Backlight module of the present invention comprises above-mentioned light source assembly, and therefore it has emergent lightThe more uniform advantage of brightness.
The technical scheme that solution the technology of the present invention problem adopts is a kind of display unit, instituteState display unit and comprise above-mentioned backlight module.
Display unit of the present invention comprises above-mentioned backlight module, thus the demonstration of display unitQuality is had been further upgraded.
Brief description of the drawings
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 2Figure;
Fig. 6 is the schematic diagram of the 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, pointLight source.
Detailed description of the invention
For making those skilled in the art understand better technical scheme of the present invention, knot belowClosing the drawings and specific embodiments is described in further detail the present invention.
Embodiment 1:
The present embodiment provides a kind of light source assembly, is mainly used as the backlight of liquid crystal indicatorThe light source of module. Light source assembly comprises for luminous spot light with for holding spot lightHolding part, holding part comprises the first holding part, holding part have opening, with opening phaseRight bottom surface and be connected to bottom surface and opening between side, wherein, the first holding partBottom surface is provided with the spot light luminous to its opening, and its outside, side is provided with at least one some lightSource.
Preferably, two relative positions outside the side of described the first holding part are all at least establishedThere is a spot light.
Preferably, described light source assembly also comprises at least one second holding part, described inThe bottom surface of the second holding part is the side of the first holding part, and the side of the second holding part is located atOutside the side of the first holding part, the spot light of being located at outside the side of the first holding part is positioned atIn two holding parts.
The light source assembly that the present embodiment provides comprises the first holding part, and its bottom surface is provided with at leastA spot light, at least one position outside the side of the first holding part is provided with at least oneSpot light, like this, the lighting angle of light source assembly has obtained raising by a relatively large margin, maximumLighting angle can reach 180 degree. Therefore, adopt light source assembly of the present invention as light sourceBacklight module, the brightness of its emergent light is more even.
Embodiment 2:
The present embodiment provides a kind of light source assembly, as shown in Figures 2 to 5, and itself and enforcementLight source assembly in example 1 is different, and the holding part in the present embodiment is die cavity, comprisesThe first die cavity 1, die cavity is rectangular-shaped cavity body structure, is also equivalent to one and has outThe rectangular-shaped box of mouth. Fig. 2 shows the first structure of light source assembly, the first typeThe wherein one side in chamber 1 is opening, and the plane relative with the one side of opening is bottom surface, bottom surfaceBe provided with at least one spot light 3, the light directive opening that spot light 3 sends, with firstOne of them vertical side of die cavity 1 bottom surface is the first side, and the first side is provided with at leastA spot light 3, spot light 3 is outside the first die cavity 1. Under this kind of situation, obviousThe side relative with the first side of one die cavity 1 also can be made as opening, and to a certain degreeOn can increase the lighting angle of light source assembly.
The second structure of light source assembly, preferred, as shown in Figure 3, the first die cavity 1The side relative with the first side be the second side, the second side is provided with at least one pointLight source 3, spot light 3 is outside the first die cavity 1. Be the light source assembly of this kind of situation, firstOutside the first side of die cavity 1 He outside the second side, be equipped with spot light 3, with respect to the firstThe structure of 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 at least one second die cavity 2, the secondThe bottom surface of die cavity 2 is the side of the first die cavity 1, and the side of the second die cavity 2 is located at firstOutside the side of die cavity 1, the spot light of being located at outside the side of die cavity 1 is positioned at the second die cavity 2In. Be under this kind of situation, spot light 1 is located on the bottom surface of the second die cavity, corresponding landformBecome to comprise the structure of 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, itsMiddle the second, the third, the lighting angle of the light source of the 4th kind of structure all can reach 180Spend, adopt the backlight module of one of above-mentioned four kinds of structures, the brightness of its emergent light is more equalEven.
Preferably, light source assembly comprises multiple the first die cavities 1, and each the first die cavity 1Bottom surface is all connected on a bar, and further, the bottom surface of the first die cavity 1 is all connected toOn a vertical bar, can form thus a line source.
Wherein, spot light 3 is preferably white LED lamp, and its white light sending can be directAs the light of backlight module.
Preferably, in first, second, and third die cavity, fill packaging plastic, packaging plasticMaterial is silica gel material or epoxide resin material. The effect of packaging plastic both can have been protected LEDLamp, can in packaging plastic, mix again different fluorescent material, thereby spot light 3 can be adoptedWith the LED lamp of more color types.
Particularly, further preferred, spot light 3 is color LED lamp, and packaging plasticIn be included in color LED lamp light excite down that to send fluorescent material or the fluorescent material of white light mixedCompound. 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 to comprise red, green, blue fluorescenceThe mixture of powder or comprise the mixture of indigo plant, yellow fluorescent material.
In the present embodiment, preferred, the material of first, second, and third die cavity adoptsHave the reflecting material of light reflection function, reflecting material can be plastic material or potteryMaterial. Like this, in the time that light source assembly is used as the light source of backlight module, can make moreIn the LGP of light entry of backlight module, and then make emergent light bright of backlight moduleSpend more even.
The light source assembly that the present embodiment provides comprises the first die cavity, and its bottom surface is provided with at leastA spot light, at least one position outside the side of the first die cavity is provided with at least one pointLight source. Like this, the lighting angle of light source assembly has obtained raising by a relatively large margin, maximumLighting angle can reach 180 degree. Therefore, adopt the light source assembly of the present embodiment as light sourceBacklight module, 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 at least one enforcementLight source assembly described in example 2, 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, at thisNo longer describe in detail.
The light source assembly providing in embodiment 2 is provided the backlight module of the present embodiment, shouldThe lighting angle of light source assembly can reach 180 degree, sends out thereby can effectively solve by LED lampThe LGP of light angle limits and the backlight module that causes the asking of the bright dark inequality of light inlet sideInscribe, 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, and therefore it has emergent lightThe more uniform advantage of brightness.
The present embodiment also provides a kind of display unit, and display unit comprises above-mentioned mould backlightGroup, also comprises the structure that known array base palte, color membrane substrates etc. are known, at this no longerFurther describe.
Display unit in the present embodiment can be liquid crystal indicator, in addition, shows dressPut and can also be: Electronic Paper, mobile phone, panel computer, television set, display, notesAny product or parts with Presentation Function such as this computer, DPF, navigator.
The display unit of the present embodiment comprises above-mentioned backlight module, thereby display unit is aobviousShow that quality has been further upgraded.
Be understandable that, above embodiment is only used to illustrate principle of the present inventionAnd the illustrative embodiments adopting, but the present invention is not limited thereto. For abilityThose of ordinary skill in territory, in the situation that does not depart from spirit of the present invention and essenceUnder, can make various modification and improvement, these modification and improvement are also considered as of the present inventionProtection domain.
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 the described spot light luminous to 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 the fluorescent material or the phosphor mixture that send 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 is ultraviolet leds lamp, and 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 multiple the first holding parts, and the bottom surface of each described 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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| 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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| CN103712127A CN103712127A (en) | 2014-04-09 |
| CN103712127B true CN103712127B (en) | 2016-05-11 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR102529717B1 (en) * | 2016-04-29 | 2023-05-04 | 엘지디스플레이 주식회사 | display device |
| US10802332B2 (en) | 2017-12-26 | 2020-10-13 | Huizhou China Star Optoelectronics Technology Co., Ltd. | Low cost backlight module and 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 |
| 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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