CN209446929U - A kind of downward back photo structure of large scale display screen - Google Patents
A kind of downward back photo structure of large scale display screen Download PDFInfo
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- CN209446929U CN209446929U CN201920234885.XU CN201920234885U CN209446929U CN 209446929 U CN209446929 U CN 209446929U CN 201920234885 U CN201920234885 U CN 201920234885U CN 209446929 U CN209446929 U CN 209446929U
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- display screen
- diffusion
- optical cement
- large scale
- light source
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Abstract
The utility model provides a kind of downward back photo structure of large scale display screen, including backlight module, the backlight module includes reflector plate, light source is equipped on the upside of the reflector plate, diffusion component is equipped on the upside of the light source, the diffusion component includes successively folding the diffusion sheet set, the first OCA optical cement, diffusion particle layer, the 2nd OCA optical cement, ultrawhite glass, the 3rd OCA optical cement, optical enhancement film from top to bottom.The problem of downward back photo structure of the utility model has good light source shielding, is able to solve dazzling LED point light source, dazzle.
Description
Technical field
The utility model relates to display screen technology fields, and in particular to a kind of direct-type backlight knot of large scale display screen
Structure.
Background technique
Guide-lighting structure is carried out using side entering type light source and light guide plate, when being used for large-sized monitor, side entering type knot
Structure can not take advantage in weight, consumption electricity and brightness, thus without light guide plate and light source be placed in immediately below it is straight
Formula is just developed.Direct-lighting backlight, part is few, and whole luminous efficiency is also compared with side-light type height.Its brightness,
Uniformity, color saturation etc. substantially meet requirement.The bigger panel of size is higher to the uniformity requirement of light, it is therefore desirable to increase
Diffuser plate, to improve the diffusion effect of light.In traditional structure, increase by one piece of diffuser plate, diffuser plate top above light source
For liquid crystal display panel, which has that light source is dazzling, dazzle.
Utility model content
In view of the above problems, the utility model provides a kind of downward back photo structure of large scale display screen, have good
Light source shielding, the problem of being able to solve dazzling LED point light source, dazzle.
To achieve the above object, the utility model solves by the following technical programs:
A kind of downward back photo structure of large scale display screen, including backlight module, the backlight module include reflector plate,
It is equipped with light source on the upside of the reflector plate, is equipped with diffusion component on the upside of the light source, the diffusion component includes from top to bottom successively
Folded diffusion sheet, the first OCA optical cement, diffusion particle layer, the 2nd OCA optical cement, ultrawhite glass, the 3rd OCA optical cement, optics set
Enhance film.
Specifically, the optical enhancement film is bright enhancement film or diffusion barrier.
Specifically, the light source is made of the LED that several rectangular arrays are arranged.
Specifically, the diffusion particle layer is made of the organosilicon photo-diffusion particle of several irregular distributions.
Specifically, the refractive index of the first OCA optical cement, the 2nd OCA optical cement, the 3rd OCA optical cement is 1.27.
Specifically, the refractive index of the ultrawhite glass is 1.49.
The beneficial effects of the utility model are:
The backing structure of the utility model increases diffusion particle layer, ultrawhite glass, optical enhancement film above diffusion sheet,
The OCA optics glue bond for being 1.27 by refractive index between each layer, improves the illumination effect of display screen, makes it have high diffusivity
Degree, haze, the optical signature of high transparency effectively can convert soft uniform area source for point or linear light source, and
Under the premise of reaching good transmitance, while there is excellent light source dot matrix shielding.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the downward back photo structure of large scale display screen of the utility model.
Fig. 2 is a kind of light schematic diagram of the downward back photo structure of large scale display screen of the utility model.
Appended drawing reference are as follows: reflector plate 1, diffusion component 2, diffusion sheet 21, the first OCA optical cement 22, diffusion particle layer 23,
Two OCA optical cements 24, ultrawhite glass 25, the 3rd OCA optical cement 26, optical enhancement film 27, LED3.
Specific embodiment
The utility model is described in further detail below with reference to embodiment and attached drawing, but the implementation of the utility model
Mode is without being limited thereto.
It is as shown in Figs. 1-2:
A kind of downward back photo structure of large scale display screen, including backlight module, backlight module include reflector plate 1, instead
It penetrates and is equipped with light source on the upside of piece 1, diffusion component 2 is equipped on the upside of light source, diffusion component 2 includes successively folding the diffusion sheet set from top to bottom
21, the first OCA optical cement 22, diffusion particle layer 23, the 2nd OCA optical cement 24, ultrawhite glass 25, the 3rd OCA optical cement 26, optics
Enhance film 27, the light that light source issues is radiated on diffusion sheet 21, and light a part passes through diffusion sheet 21, and another part is rolled over
It penetrates and is radiated on reflector plate 1, be radiated on diffusion sheet 21 again, the light across diffusion sheet successively passes through the first OCA optics
Glue 22, diffusion particle layer 23, the 2nd OCA optical cement 24, ultrawhite glass 25, the 3rd OCA optical cement 26, optical enhancement film 27, finally
Light small with shooting angle, soft is emitted from 27 upper end of optical enhancement film.
Preferably, in order to promote display brightness, optical enhancement film 27 is bright enhancement film.
Preferably, light source is made of the LED3 that several rectangular arrays are arranged.
Preferably, diffusion particle layer 23 is made of the organosilicon photo-diffusion particle of several irregular distributions, into diffusion
The light of particle layer 23 repeatedly passes through penetrating, reflecting for organosilicon photo-diffusion particle, finally with a plurality of beam projecting, by dividing
Light makes emergent light softer.
Preferably, the first OCA optical cement 22, the 2nd OCA optical cement 24, the 3rd OCA optical cement 26 refractive index be
1.27。
Preferably, the refractive index of ultrawhite glass 25 is 1.49.
Above embodiments only express a kind of embodiment of the utility model, and the description thereof is more specific and detailed, but simultaneously
Therefore it cannot be interpreted as that a limitation on the scope of the patent of the present invention.It should be pointed out that for the ordinary skill of this field
For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this
The protection scope of utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (6)
1. a kind of downward back photo structure of large scale display screen, including backlight module, which is characterized in that the backlight module packet
It includes reflector plate (1), light source is equipped on the upside of the reflector plate (1), is equipped with diffusion component (2) on the upside of the light source, the diffusion group
Part (2) includes successively folding the diffusion sheet (21) set, the first OCA optical cement (22), diffusion particle layer (23), second from top to bottom
OCA optical cement (24), ultrawhite glass (25), the 3rd OCA optical cement (26), optical enhancement film (27).
2. a kind of downward back photo structure of large scale display screen according to claim 1, which is characterized in that the optics
Enhancing film (27) is bright enhancement film or diffusion barrier.
3. a kind of downward back photo structure of large scale display screen according to claim 1, which is characterized in that the light source
The LED (3) to be arranged by several rectangular arrays is constituted.
4. a kind of downward back photo structure of large scale display screen according to claim 1, which is characterized in that the diffusion
Particle layer (23) is made of the organosilicon photo-diffusion particle of several irregular distributions.
5. a kind of downward back photo structure of large scale display screen according to claim 1, which is characterized in that described first
OCA optical cement (22), the 2nd OCA optical cement (24), the 3rd OCA optical cement (26) refractive index be 1.27.
6. a kind of downward back photo structure of large scale display screen according to claim 1, which is characterized in that the ultrawhite
The refractive index of glass (25) is 1.49.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920234885.XU CN209446929U (en) | 2019-02-25 | 2019-02-25 | A kind of downward back photo structure of large scale display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920234885.XU CN209446929U (en) | 2019-02-25 | 2019-02-25 | A kind of downward back photo structure of large scale display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209446929U true CN209446929U (en) | 2019-09-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920234885.XU Active CN209446929U (en) | 2019-02-25 | 2019-02-25 | A kind of downward back photo structure of large scale display screen |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114935851A (en) * | 2022-04-27 | 2022-08-23 | 深圳市南极光电子科技股份有限公司 | Generation process of reflector plate of MiniMicroLED backlight source module |
-
2019
- 2019-02-25 CN CN201920234885.XU patent/CN209446929U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114935851A (en) * | 2022-04-27 | 2022-08-23 | 深圳市南极光电子科技股份有限公司 | Generation process of reflector plate of MiniMicroLED backlight source module |
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