CN210072119U - Local non-light tight high light transmittance composite sheet - Google Patents
Local non-light tight high light transmittance composite sheet Download PDFInfo
- Publication number
- CN210072119U CN210072119U CN201920887249.7U CN201920887249U CN210072119U CN 210072119 U CN210072119 U CN 210072119U CN 201920887249 U CN201920887249 U CN 201920887249U CN 210072119 U CN210072119 U CN 210072119U
- Authority
- CN
- China
- Prior art keywords
- light
- base layer
- diffusion
- diffusion base
- layer
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Images
Abstract
The utility model discloses a local non-light tight high luminousness composite sheet from the incidenting outgoing direction of light, includes the three-layer altogether, is in proper order: the light-reflecting ink layer, the first diffusion base layer and the second diffusion base layer; the first diffusion base layer and the second diffusion base layer are of an integrally formed structure formed by uniformly mixing high-molecular optical modified materials; the reflective ink layer is arranged on the light incident surface of the first diffusion base layer in a dot printing mode; the light-emitting surface of the second diffusion base layer is provided with uneven rough surface structures in a mold hot-press molding or injection molding mode. The utility model discloses in set up reflection of light printing ink layer through the income plain noodles at first diffusion basic unit, realize that local area light can not directly see through, will reflect to the light reflex piece that corresponds via the printing ink site on reflection of light printing ink layer, and then again reflect the region of needs to light, and then reduced the waste of jet-out light, improved the transmissivity and the utilization ratio of light source.
Description
Technical Field
The utility model belongs to the photoelectric material field relates to the display device technique in a poor light, specifically is a local non-light tight high-transmittance composite sheet, can extensively be used for in liquid crystal display device, dull and stereotyped LED display device and the LED illumination structure.
Background
The diffusion plate is widely applied to systems such as liquid crystal display, LED illumination and imaging, mainly utilizes the light diffusion plate to convert a point light source or a line light source into a surface light source, and simultaneously uses various optical films at the front end of the diffusion plate in a matching manner to further diffuse and diffuse light, so that incident light is fully scattered, and a softer and more uniform irradiation effect is realized.
Along with the reduction of customer's module backlight lamp, reduction of manufacturing cost, all put forward higher requirements to the reflection of refraction, reflector plate of light source, and through the diffusion homogeneity of multi-functional composite sheet etc.: for example, in a liquid crystal display module, the module is not good in the similar light effects such as the bright light or the yellowing, the darkness of the bright light around and on the side, but the adjustment of the lamp beads, the reflector plate and the original multifunctional composite board can not be improved, and the phenomenon also causes the waste of the emitted light and the problem of low transmittance and utilization rate of the light source.
SUMMERY OF THE UTILITY MODEL
In view of the not enough of performances such as printing opacity that present use diffusion panel exists and light utilization ratio in the display device application that is shaded, the utility model aims to provide a local non-light tight high luminousness composite sheet sets up reflection of light printing ink layer through the income plain noodles at diffusion basic unit, realizes on light reflects the light reflection piece that corresponds by reflection of light printing ink layer, improves the transmissivity and the utilization ratio of the light source of this multi-functional composite sheet again to the region of needs.
In order to achieve the above purpose, the present invention is realized by the following technical solutions:
the utility model provides a local non-light tight high light transmittance composite sheet, incides the outgoing direction from light, includes the three-layer altogether, is in proper order: the light-reflecting ink layer, the first diffusion base layer and the second diffusion base layer;
the first diffusion base layer and the second diffusion base layer are of an integrally formed structure formed by uniformly mixing high-molecular optical modified materials;
the reflective ink layer is arranged on the light incident surface of the first diffusion base layer in a dot printing mode;
the light-emitting surface of the second diffusion base layer is provided with uneven rough surface structures in a mold hot-press molding or injection molding mode.
Further, the light diffusion degree of the first diffusion base layer is smaller than that of the second diffusion base layer. The first diffusion base layer and the second diffusion base layer which have progressive light ray diffusibility are adopted to realize effective diffusion of the emitted light rays, and the transmittance and the utilization rate of the light source are improved.
Set up reflection of light printing ink layer through the income plain noodles at first diffusion basic unit, adopt the mode of site printing to realize that local area light can not directly see through, will reflect to the region that needs again light on the reflection of light piece through the printing ink site on reflection of light printing ink layer, and then reduced the waste of penetrating light, improved the transmissivity and the utilization ratio of light source.
Furthermore, the rough surface structure is one of a V-shaped structure, a worm structure, a frosted structure or a prism structure, a corresponding rough surface structure is arranged on the light-emitting surface of the second diffusion base layer, and the rough surface structure on the surface diffuses and emits light rays through the light rays emitted into the composite board at various angles, so that the emergent light is uniform and soft, and the utilization rate of a light source is improved.
Further, the thickness range of the first diffusion base layer is 0.5-1.0 mm; the thickness range of the second diffusion base layer is 1.0-1.5 mm; the thickness range of the reflective ink layer is 0.1-0.5 mm.
Compared with the prior art, the utility model following advantage and beneficial effect have:
1. the light reflection ink layer is arranged on the light incident surface of the first diffusion base layer, so that light rays in a local area cannot directly penetrate through the light reflection ink layer, and the light rays are reflected to the corresponding light reflection sheet through ink dots of the light reflection ink layer, and then the light rays are reflected to a required area again, the waste of the emitted light rays is reduced, and the transmittance and the utilization rate of a light source are improved;
2. the light-emitting surface of the second diffusion base layer is provided with a corresponding rough surface structure, and the rough surface structure on the surface diffuses and emits light rays which are emitted into the composite board at various angles, so that the emergent light is uniform and soft, and the utilization rate of a light source is improved;
3. the combined structure of the first diffusion base layer and the second diffusion base layer with progressive light ray diffusibility is adopted, so that the emitted light rays are effectively diffused, and the transmittance and the utilization rate of a light source are improved;
4. the first diffusion base layer and the second diffusion base layer are manufactured by injection molding and integral molding of high-molecular optical modified materials, the optical performance is excellent, the loss of light passing through the composite board can be reduced, and the luminance of backlight illumination is improved.
Drawings
Fig. 1 is a schematic structural view of a high transmittance composite board with local light transmittance according to the present invention.
Fig. 2 is a schematic diagram of the local intensive amplification effect of the printing dots of the reflective ink layer of the composite board with partially transparent high transmittance according to the present invention;
fig. 3 is a schematic diagram illustrating a directional gradual change type amplification effect of printing dots of a reflective ink layer of a composite board with a high transmittance and a local transmittance;
FIG. 4 is an enlarged effect diagram of the V-shaped structure of the rough surface structure of the present invention;
FIG. 5 is an enlarged effect diagram of the worm structure of the rough surface structure of the present invention;
fig. 6 is an enlarged effect diagram of the frosted structure of the rough surface structure of the present invention;
fig. 7 is an enlarged effect diagram of the prism structure of the rough surface structure in the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.
Examples
As shown in fig. 1, the composite plate with high transmittance and partial light transmittance comprises three layers in sequence from the incident direction of light to the emergent direction: the light-reflecting ink comprises a light-reflecting ink layer 1, a first diffusion base layer 2 and a second diffusion base layer 3;
the first diffusion base layer and the second diffusion base layer are of an integrally formed structure formed by uniformly mixing high-molecular optical modified materials;
the reflective ink layer 1 is arranged on the light incident surface of the first diffusion base layer 2 in a dot printing mode;
the light-emitting surface of the second diffusion base layer 3 is provided with uneven rough surface structures 31 in a mold hot press molding or injection molding mode.
As shown in fig. 2-3, the reflective ink layer 1 prints dots 11 on the light incident surface by means of dot printing, and the pattern of the dots 11 has a regional dense pattern, a directional gradual change pattern, and the like.
The light diffusion degree of the first diffusion base layer 2 is smaller than that of the second diffusion base layer 3, the first diffusion base layer 2 and the second diffusion base layer 3 are in a combined structure with progressive light diffusion degrees, effective diffusion of emitted light is achieved, and the transmittance and the utilization rate of a light source are improved.
As shown in fig. 4-7, the rough surface structure 31 is one of a V-shaped structure, a worm, a frosted structure or a prism structure, a light-emitting surface of the second diffusion base layer 3 is provided with a corresponding rough surface structure 31, and the rough surface structure 31 on the surface diffuses and emits light rays passing through the composite board to various angles, so that the emergent light is uniform and soft, and the utilization rate of the light source is improved.
The thickness range of the reflective ink layer 1 is 0.1-0.5 mm; the thickness range of the first diffusion base layer 2 is 0.5-1.0 mm; the thickness range of the second diffusion base layer 3 is 1.0-1.5 mm.
Set up reflection of light printing ink layer 1 through the income plain noodles at first diffusion basic unit 2, adopt the mode of dot printing to print site 11 on the income plain noodles, realize that the printing has in the local area of site 11 light can not directly see through, light reflects the regional of needs to see through light again on the light reflex piece that corresponds via the printing ink site 11 on reflection of light printing ink layer 1, and then has reduced the waste of jet-out light, has improved the transmissivity and the utilization ratio of light source.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (6)
1. The utility model provides a local non-light tight high light transmittance composite sheet which characterized in that: the incidence and emergence directions of the light rays comprise three layers in sequence: the light-reflecting ink layer, the first diffusion base layer and the second diffusion base layer;
the first diffusion base layer and the second diffusion base layer are of an integrally formed structure formed by uniformly mixing high-molecular optical modified materials;
the reflective ink layer is arranged on the light incident surface of the first diffusion base layer in a dot printing mode;
the light-emitting surface of the second diffusion base layer is provided with uneven rough surface structures in a mold hot-press molding or injection molding mode.
2. The composite plate of claim 1, wherein the composite plate has a high transmittance and is partially transparent: the light diffusion degree of the first diffusion base layer is smaller than that of the second diffusion base layer, and the first diffusion base layer and the second diffusion base layer are in a combined structure with progressive light diffusion degrees.
3. The composite plate of claim 1 or 2, which has a high transmittance and is partially transparent, wherein: the rough surface structure is one or two of a V-shaped structure, a worm structure, a frosted structure or a prism structure.
4. The composite plate of claim 3, wherein the composite plate has a high transmittance and is partially transparent: the thickness range of the reflective ink layer is 0.1-0.5 mm.
5. The composite plate of claim 3, wherein the composite plate has a high transmittance and is partially transparent: the thickness range of the first diffusion basal layer is 0.5-1.0 mm.
6. The composite plate of claim 3, wherein the composite plate has a high transmittance and is partially transparent: the thickness range of the second diffusion basal layer is 1.0-1.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920887249.7U CN210072119U (en) | 2019-06-13 | 2019-06-13 | Local non-light tight high light transmittance composite sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920887249.7U CN210072119U (en) | 2019-06-13 | 2019-06-13 | Local non-light tight high light transmittance composite sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210072119U true CN210072119U (en) | 2020-02-14 |
Family
ID=69457640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920887249.7U Active CN210072119U (en) | 2019-06-13 | 2019-06-13 | Local non-light tight high light transmittance composite sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210072119U (en) |
-
2019
- 2019-06-13 CN CN201920887249.7U patent/CN210072119U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7255462B2 (en) | Dimmer device for backlight module | |
| CN109031512B (en) | Light guide film assembly, front light source and reflective display device | |
| CN100405165C (en) | Backlight system and reflecting shade for same | |
| KR20140135188A (en) | Backlight device | |
| TW417035B (en) | Lighting device and a liquid crystal display using such a device | |
| JP2004022344A (en) | Surface light source device and liquid crystal display device | |
| CN202253374U (en) | Optical film, direct-type back light module and display device | |
| JPH04191704A (en) | Surface luminous device and its manufacture | |
| TWI406057B (en) | Backlight module | |
| TWI343489B (en) | Optical plate and backlight module using the same | |
| CN210072119U (en) | Local non-light tight high light transmittance composite sheet | |
| JPH036525A (en) | Backlighting device | |
| CN111580211A (en) | Light guide plate and planar light source having the same | |
| TWI258036B (en) | A direct backlight module | |
| JPH10188636A (en) | Electronic apparatus, portable telephone, watch camera, and data terminal apparatus | |
| CN102859264A (en) | Backlight device and liquid crystal display device | |
| JP4848511B2 (en) | Backlight unit for LCD | |
| CN214586326U (en) | Liquid crystal display backlight module | |
| WO2023284239A1 (en) | Light-splitting plate | |
| CN210401731U (en) | Side income formula glass light guide plate structure | |
| CN201017055Y (en) | Light conducting plate structure | |
| JPH03214191A (en) | Plane light emitting device | |
| JP2002258022A (en) | Light reflection sheet and surface light source device and liquid crystal display both using the light reflection sheet | |
| CN201062761Y (en) | Backlight module | |
| CN212647046U (en) | Light guide plate and backlight module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |