CN107559668A - A kind of down straight aphototropism mode set and display device - Google Patents

A kind of down straight aphototropism mode set and display device Download PDF

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Publication number
CN107559668A
CN107559668A CN201710722828.1A CN201710722828A CN107559668A CN 107559668 A CN107559668 A CN 107559668A CN 201710722828 A CN201710722828 A CN 201710722828A CN 107559668 A CN107559668 A CN 107559668A
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CN
China
Prior art keywords
plate
light source
down straight
mode set
cavity
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Pending
Application number
CN201710722828.1A
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Chinese (zh)
Inventor
刘欣
沈思宽
李霞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Skyworth RGB Electronics Co Ltd
Original Assignee
Shenzhen Skyworth RGB Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Shenzhen Skyworth RGB Electronics Co Ltd filed Critical Shenzhen Skyworth RGB Electronics Co Ltd
Priority to CN201710722828.1A priority Critical patent/CN107559668A/en
Publication of CN107559668A publication Critical patent/CN107559668A/en
Pending legal-status Critical Current

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Abstract

The present invention discloses a kind of down straight aphototropism mode set and display device, wherein, the down straight aphototropism mode set includes backboard, reflector plate, diffuser plate, some light sources and cover at the lens above the light source, the backboard includes bottom plate and the side plate set around the bottom plate, the first cavity is formed between the bottom plate and side plate, first cavity is encapsulated by the diffuser plate, the reflector plate is layed on the bottom plate and side plate, the light source and lens are located in first cavity and are arranged on the side plate, the lens include site portion and the smooth department being oppositely arranged with the site portion, the smooth department is close to the bottom plate.Light mixing distance of the light of light source of the present invention in the first cavity greatly increases, it is sufficiently mixed the luminous energy of each light source, uniform Energy distribution is finally formed on diffuser plate, avoids regional hot spot, so as to realize ultra-thin down straight aphototropism mode set on the premise of cost is not increased.

Description

A kind of down straight aphototropism mode set and display device
Technical field
The present invention relates to appliance field, more particularly to a kind of down straight aphototropism mode set and display device.
Background technology
Referring to Fig. 1 to Fig. 3, in traditional down straight aphototropism mode set, the light source such as LED is fixed on the bottom surface of backboard cavity On, reflector plate 2 is provided with backboard cavity, diffuser plate 1 is placed on the top platform of backboard cavity and supported by support column 7, LED The light of transmitting is indirectly projected on diffuser plate 3 directly or by reflector plate 2.LED light-emitting area is to the lower surface of diffuser plate 3 Distance referred to as mixed light is away from h, and this mixed light is bigger away from h, and the space that the luminous energy that each LED is sent has affluence mixes in backboard cavity to be dissipated Penetrate, uniform light distribution will be formed on final diffuser plate 3.As the development of technology, tv product more and more thinner are too small Mixed light makes luminous energy not be thoroughly mixed just arrival diffuser plate 3 away from h, forms obvious regional hot spot 8 as shown in Figure 3, this area Domain property hot spot 8 includes lamp shadow, dark frame and dark angle etc..It is preferably subjective depending on imitating, it is necessary to increase LED in backlight module in order to ensure Number, and be adapted to the diffuser plate, reflector plate and blooming piece of high cost, cost is higher.
The content of the invention
The main object of the present invention is to provide a kind of down straight aphototropism mode set and display device, it is intended to solve it is traditional it is straight under In formula backlight module because mixed light away from it is too small so that luminous energy is not thoroughly mixed and the problem of forming region hot spot.
To achieve the above object, down straight aphototropism mode set proposed by the present invention includes backboard, reflector plate, diffuser plate, some Light source and cover at the lens above the light source, the backboard includes bottom plate and the side plate set around the bottom plate, described The first cavity is formed between bottom plate and side plate, first cavity is encapsulated by the diffuser plate, and the reflector plate is layed in described On bottom plate and side plate, the light source and lens are located in first cavity and are arranged on the side plate, and the lens include Site portion and the smooth department being oppositely arranged with the site portion, the smooth department is close to the bottom plate.
Preferably, the second cavity is provided between the site portion and the smooth department, the light source is located at second chamber In vivo.
Preferably, the site portion include close to second cavity the first dot surface and with the first dot surface phase To the second dot surface of setting, equal some sites of projection are raised on first dot surface and the second dot surface, and each site is raised Towards second cavity.
Preferably, the site projection is hemispherical, and first dot surface and the second dot surface are arc surface.
Preferably, the lens are rotary structure, and smoothly transit connection between the site portion and the smooth department.
Preferably, the site portion and the smooth department are set relative to the source symmetric.
Preferably, the light source is the LED being arranged on the pcb board, and the reflector plate on the side plate is covered on institute State on pcb board, through the reflector plate on the side plate, the lens are fixed by several lens fixed feets pacifies the LED Loaded on being corresponded on the pcb board and with the light source, some light source arranged for interval form lamp bar.
Preferably, the side plate, which is obliquely installed between the side of the bottom plate, the bottom plate and the side plate, forms ladder First cavity of shape.
Preferably, blooming piece is equipped with the diffuser plate, is set between the diffuser plate and the reflector plate of the bottom plate Put some support columns.
The present invention also provides a kind of display device, is provided with down straight aphototropism mode set as described above.
In technical solution of the present invention, lens cap is on light source, and lens and light source are respectively positioned on side plate, to same light source For corresponding lens, site portion away from reflector plate upward, smooth department close to reflector plate down.This structure causes light source The preferential directive of luminous energy launched after lens is located at the reflector plate on bottom plate, then diffusion is reached after the diffusing reflection of reflector plate Plate, light mixing distance of the light in the first cavity greatly increase, and are sufficiently mixed the luminous energy of each light source, finally the shape on diffuser plate Into uniform Energy distribution, regional hot spot is avoided, so as to realize ultra-thin straight-down negative on the premise of cost is not increased Backlight module.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Structure according to these accompanying drawings obtains other accompanying drawings.
Fig. 1 is the mounting structure schematic diagram of the embodiment of down straight aphototropism mode set one of prior art;
Fig. 2 is the light path schematic diagram of light source in Fig. 1;
Fig. 3 be prior art down straight aphototropism mode set because mixed light away from smaller and forming region hot spot regard effect signal Figure;
Fig. 4 is the local scheme of installation of the embodiment of down straight aphototropism mode set one of the present invention;
Fig. 5 is the light path schematic diagram of single lens and light source in the embodiment of down straight aphototropism mode set one of the present invention;
Fig. 6 is the structural representation of single lens in the embodiment of down straight aphototropism mode set one of the present invention.
Drawing reference numeral explanation:
Label Title Label Title
1 Backboard 2 Reflector plate
3 Diffuser plate 5 Lens
6 Light source 7 Support column
8 Regional hot spot 11 Bottom plate
12 Side plate 13 First cavity
52 Site portion 53 Smooth department
54 Second cavity 55 Site is raised
56 Lens fixed feet 521 First dot surface
522 Second dot surface
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, rather than whole embodiments.Base Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its His embodiment, belongs to the scope of protection of the invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention In explaining the relative position relation under a certain particular pose (as shown in drawings) between each part, motion conditions etc., if should When particular pose changes, then directionality instruction also correspondingly changes therewith.
In addition, in the present invention such as relating to the description of " first ", " second " etc. be only used for describe purpose, and it is not intended that Indicate or imply its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", At least one this feature can be expressed or be implicitly included to the feature of " second ".In the description of the invention, " multiple " contain Justice is at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " connection ", " fixation " etc. should be interpreted broadly, For example, " fixation " can be fixedly connected or be detachably connected, or integrally;Can be mechanically connect or Electrical connection;Can be joined directly together, can also be indirectly connected by intermediary, can be the connection or two of two element internals The interaction relationship of individual element, limited unless otherwise clear and definite.For the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In addition, the technical scheme between each embodiment of the present invention can be combined with each other, but must be general with this area Logical technical staff can be implemented as basis, will be understood that when the combination appearance of technical scheme is conflicting or can not realize this The combination of technical scheme is not present, also not within the protection domain of application claims.
The present invention proposes a kind of down straight aphototropism mode set.
Fig. 4 is refer to, in an embodiment of the present invention, the down straight aphototropism mode set includes backboard 1, reflector plate 2, diffuser plate 3rd, some light sources 6 and the lens 5 covered above light source 6, backboard 1 include bottom plate 11 and the side plate 12 set around bottom plate 11, The first cavity 13 is formed between bottom plate 11 and side plate 12, the first cavity 13 is encapsulated by diffuser plate 3, and reflector plate 2 is layed in bottom plate 11 On side plate 12, light source 6 and lens 5 are in the first cavity 13 and are arranged on side plate 12 and (and are specifically arranged at side plate 12 On reflector plate 2), lens 5 include site portion 52 and the smooth department 53 being oppositely arranged with site portion 52, and smooth department 53 is close to bottom plate 11.The light that site portion 52 launches light source 6 has very strong interception function and the light back of interception can go back.This In embodiment, light source 6 corresponds with lens 5.
During down straight aphototropism mode set normal work, light source 6 launches light R1, and light R1 a part of light R11 is projected to Site portion 52, another part light R12 are projected to smooth department 53.Light R11 is after site portion 52 reflects or reflected along different Path is projected back to again to be come, and is projected back to the light come again after the reflector plate on side plate projects again, sub-fraction is again heavy It is new to be projected to site portion 52, and most directive smooth departments 53, so move in circles so that most luminous energy in light source 6 Direct or indirect is projected to smooth department 53, and the light almost all for being projected to smooth department 53 is refracted in the first cavity 13.Thoroughly Mirror 5 is covered on light source 6, and lens 5 and light source 6 are arranged on side plate 12, to same light source 6 and corresponding lens 5 For, reflector plate 2 of the site portion 52 away from bottom plate upward, smooth department 53 close to bottom plate reflector plate 2 down, this structure causes light The preferential directive of luminous energy that source 6 is launched after lens 5 is located at the reflector plate 2 on bottom plate 11, then is arrived after the diffusing reflection of reflector plate 2 Up to diffuser plate 3 so that light mixing distance of the light in the first cavity 13 is greatly increased, and the luminous energy of each light source 6 is sufficiently mixed, finally Uniform Energy distribution is formed on diffuser plate 3, avoids regional hot spot, so as to be realized on the premise of cost is not increased Ultra-thin down straight aphototropism mode set.
In the present embodiment, the second cavity 54 is provided between site portion 52 and smooth department 53, light source 6 is located at the second cavity 54 It is interior.Between site portion 52 and smooth department 53, being advantageous to the light of light source 6 can be sufficiently mixed light source 6.Preferably, light source 6 with Appropriate gap between second cavity 54 be present, the optical energy charging that this gap is advantageous to light source 6 disperses to penetrate or reflect.
Further, refer to Fig. 4 and Fig. 5, site portion 52 include close to the second cavity 54 the first dot surface 521 and with Equal projection is some on the second dot surface 522 that first dot surface 521 is oppositely arranged, the first dot surface 521 and the second dot surface 522 Site projection 55, each site projection 55 is towards the second cavity 54.This site 55 pairs of light of projection have very strong scattering process, Most luminous energy are eventually emitted from the smooth domain of lens 5.Preferably, raised 55 hemispherical, the first dot surfaces in site 521 and second dot surface 522 be arc surface, can increase light reflection or refraction path, so as to increase light mixing distance, make The luminous energy for obtaining light source 6 is sufficiently mixed.
Preferably, lens 5 are rotary structure, and smoothly transit connection between site portion 52 and smooth department 53, and this structure makes The light for obtaining light source 6 can be in an orderly manner along certain path conduct.Preferably, site portion 52 and smooth department 53 are right relative to light source 6 Claim to set so that the light of light source 6 is advanced along certain path more in an orderly manner, and the lens 5 of this structure are also easy to add Work.
It refer to Fig. 6, light source 6 is the LED being arranged on pcb board, and the reflector plate on side plate is covered on pcb board, LED Lamp is fixedly installed on pcb board through the reflector plate on side plate, lens 5 by several lens fixed feets 56, each light source 6 A corresponding lens 5, some arranged for interval of light source 6 form lamp bar.Pcb board is circuit board, is electrically connected with LED.The present embodiment In, the graphite paint for being used for strengthening reflection function is coated with reflector plate 2.The light part that light source 6 is launched is by site portion 52 Or smooth department 53 reflects, and is reflected away again after being projected on reflector plate, and so on so that most in light source 6 Luminous energy it is direct or indirect be projected to smooth department 53, scattered through smooth department 53 to the first cavity 13.
In the present embodiment, side plate 12 be obliquely installed formed between the side of bottom plate 11, bottom plate 11 and side plate 12 it is trapezoidal First cavity 13.Biside plate 12 is symmetrical arranged relative to bottom plate 11, and light source 6 and lens 5 corresponding with light source 6 are respectively arranged in side On plate 12, the luminous energy of each light source 6 is further sufficiently mixed, avoid regional hot spot, finally formed on diffuser plate 3 uniform Energy distribution, ultra-thin down straight aphototropism mode set is realized on the premise of cost is not increased.
In addition, being equipped with blooming piece on diffuser plate 3, some support columns are set between the reflector plate 2 of diffuser plate 3 and bottom plate 7, for being supported to diffuser plate 3, to prevent diffuser plate 3 from deforming.Wherein, blooming piece includes the upper diffusion set gradually Piece, 0 ° of brightening piece, 90 ° of brightening pieces and lower diffusion sheet, under certain light source output, it will improved by blooming piece aobvious The positive brightness or axial brightness of showing device.
The present invention also proposes a kind of display device, and the display device sets backlight module as described above.The display fills The concrete structure reference above-described embodiment put, because this display device employs whole technical schemes of above-mentioned all embodiments, Therefore all beneficial effects at least caused by the technical scheme with above-described embodiment, this is no longer going to repeat them.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every at this Under the design of invention, the equivalent structure transformation made using description of the invention and accompanying drawing content, or directly/it is used in indirectly He is included in the scope of patent protection of the present invention related technical field.

Claims (10)

1. a kind of down straight aphototropism mode set, including backboard, reflector plate, diffuser plate, some light sources and cover above the light source Lens, the backboard include bottom plate and around the bottom plate set side plate, form the first chamber between the bottom plate and side plate Body, first cavity are encapsulated by the diffuser plate, it is characterised in that and the reflector plate is layed on the bottom plate and side plate, The light source and lens are located in first cavity and are arranged on the side plate, the lens include site portion and with it is described The smooth department that site portion is oppositely arranged, the smooth department is close to the bottom plate.
2. down straight aphototropism mode set as claimed in claim 1, it is characterised in that set between the site portion and the smooth department There is the second cavity, the light source is located in second cavity.
3. down straight aphototropism mode set as claimed in claim 2, it is characterised in that the site portion is included close to second chamber First dot surface of body and the second dot surface being oppositely arranged with first dot surface, first dot surface and the second site Equal some sites of projection are raised on face, and each site projection is towards second cavity.
4. down straight aphototropism mode set as claimed in claim 3, it is characterised in that the site projection is hemispherical, and described One dot surface and the second dot surface are arc surface.
5. the down straight aphototropism mode set as described in any one in Claims 1-4, it is characterised in that the lens are revolution Body structure, smoothly transit connection between the site portion and the smooth department.
6. down straight aphototropism mode set as claimed in claim 5, it is characterised in that the site portion and the smooth department relative to The source symmetric is set.
7. the down straight aphototropism mode set as described in any one in Claims 1-4, it is characterised in that the light source is setting LED on the pcb board, the reflector plate on the side plate are covered on the pcb board, and the LED passes through the side Reflector plate on plate, the lens be fixedly installed in by several lens fixed feets on the pcb board and with the light source one One correspondence, some light source arranged for interval form lamp bar.
8. the down straight aphototropism mode set as described in any one in Claims 1-4, it is characterised in that the side plate is tilted and set The side of the bottom plate is placed in, the first trapezoidal cavity is formed between the bottom plate and the side plate.
9. down straight aphototropism mode set as claimed in claim 1, it is characterised in that blooming piece is equipped with the diffuser plate, Some support columns are set between the reflector plate of the diffuser plate and the bottom plate.
10. a kind of display device, it is characterised in that backlight module as in one of claimed in any of claims 1 to 9 is set.
CN201710722828.1A 2017-08-21 2017-08-21 A kind of down straight aphototropism mode set and display device Pending CN107559668A (en)

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Application Number Priority Date Filing Date Title
CN201710722828.1A CN107559668A (en) 2017-08-21 2017-08-21 A kind of down straight aphototropism mode set and display device

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Application Number Priority Date Filing Date Title
CN201710722828.1A CN107559668A (en) 2017-08-21 2017-08-21 A kind of down straight aphototropism mode set and display device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109407400A (en) * 2018-11-23 2019-03-01 深圳Tcl新技术有限公司 Down straight aphototropism mode set and display equipment
CN110441963A (en) * 2019-09-03 2019-11-12 王汉锋 A kind of backlight module, display and imaging method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103388776A (en) * 2012-05-11 2013-11-13 扬升照明股份有限公司 Backlight module
CN203404678U (en) * 2013-08-16 2014-01-22 深圳Tcl新技术有限公司 Backlight module and liquid crystal display device
CN203404659U (en) * 2013-08-27 2014-01-22 深圳Tcl新技术有限公司 Secondary lens and LED direct type backlight module
CN204086757U (en) * 2014-08-04 2015-01-07 Tcl海外电子(惠州)有限公司 Backlight assembly and liquid crystal display
CN206282065U (en) * 2016-12-09 2017-06-27 康佳集团股份有限公司 A kind of LED-backlit module lamp bar radiator, backlight module and TV

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103388776A (en) * 2012-05-11 2013-11-13 扬升照明股份有限公司 Backlight module
CN203404678U (en) * 2013-08-16 2014-01-22 深圳Tcl新技术有限公司 Backlight module and liquid crystal display device
CN203404659U (en) * 2013-08-27 2014-01-22 深圳Tcl新技术有限公司 Secondary lens and LED direct type backlight module
CN204086757U (en) * 2014-08-04 2015-01-07 Tcl海外电子(惠州)有限公司 Backlight assembly and liquid crystal display
CN206282065U (en) * 2016-12-09 2017-06-27 康佳集团股份有限公司 A kind of LED-backlit module lamp bar radiator, backlight module and TV

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109407400A (en) * 2018-11-23 2019-03-01 深圳Tcl新技术有限公司 Down straight aphototropism mode set and display equipment
CN110441963A (en) * 2019-09-03 2019-11-12 王汉锋 A kind of backlight module, display and imaging method

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Application publication date: 20180109

RJ01 Rejection of invention patent application after publication