CN212515292U

CN212515292U - Structure of multifunctional electronic paper front light module

Info

Publication number: CN212515292U
Application number: CN202021780525.9U
Authority: CN
Inventors: 何志; 陈伟岸; 林上斌; 刘世杰; 田永波; 高启仁
Original assignee: Chengdu Jyflex Technology Co ltd
Current assignee: Chengdu Jyflex Technology Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-02-09
Anticipated expiration: 2030-08-24

Abstract

The utility model discloses a structure of optical module before multi-functional electronic paper, including transparent substrate, diffusion layer, filter layer and protective layer, transparent substrate's one side sets up a plurality of astigmatism point and constitutes diffusion layer, filter layer or protective layer cover in diffusion layer top or transparent substrate's another side, the filter layer covers in protective layer top or protective layer cover in the filter layer top. The structure is pasted to the multilayer in having avoided traditional technology, has reduced the loss of the light refraction that multilayer material leads to and transmissivity, has improved the bright degree of color and greatly reduced the overall thickness, is convenient for make lighter thinner, the better colored electronic book display screen of color.

Description

Structure of multifunctional electronic paper front light module

Technical Field

The utility model belongs to the technical field of the electronic ink display screen, a structure of optical module before multi-functional electronic paper is related to.

Background

The existing color electronic paper display screen structure is manufactured in a way of sequentially overlapping a plurality of layers: firstly, a driving circuit dot matrix substrate is manufactured, an electronic ink membrane is attached to a driving pixel of the dot matrix substrate, and the black-and-white electronic paper display module is completed. The colorization process is to superpose the color filter on the electronic ink film and then to manufacture the waterproof layer to obtain the color electronic paper display screen. Because the electronic paper is a reflective screen, in order to facilitate reading under the condition of poor light, a front light assembly needs to be added, and the middle part needs to be adhered by an optical transparent adhesive tape, so that the thickness of the screen is higher due to the multi-layer adhered structure, and a certain display effect is influenced due to poor transmittance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the structure of the multifunctional electronic paper front light module is provided, and the problems that the thickness of a screen is high due to the multi-layer pasting structure of the traditional electronic ink diaphragm, and certain display effect is influenced due to poor transmittance are solved.

The utility model adopts the technical scheme as follows:

a structure of a multifunctional electronic paper front light module comprises a transparent substrate, a light scattering layer, a filter layer and a protective layer, wherein one surface of the transparent substrate is provided with a plurality of light scattering points to form the light scattering layer, the filter layer or the protective layer covers the light scattering layer or the other surface of the transparent substrate, and the filter layer covers the protective layer or the protective layer covers the filter layer.

Further, the transparent substrate is made of a transparent material with high transmittance, including but not limited to PMMA or flexible glass or PC or TAC or PET or PEN.

Further, the transparent substrate adopts a soft board structure.

Further, a flat layer disposed on the light diffusion layer is also included.

Further, the LED lamp also comprises a light source component, wherein the light source component is attached to the transparent substrate.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

the utility model relates to a structure of optical module before multi-functional electronic paper, the preparation of astigmatism layer is accomplished in the one side of the transparent substrate of high transmissivity, make protective layer and filtering structure in astigmatism layer top or transparent substrate's another side again, realize leaded light function, the integration of waterproof protection function and filtering function, the multilayer in the traditional handicraft has been avoided and the structure is pasted, the light refraction that has reduced multilayer material and the loss of transmissivity, the bright degree of color has been improved and greatly reduced the thickness of totality, be convenient for make lighter and thinner, the better color electronic book display screen of color.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that for those skilled in the art, other relevant drawings can be obtained according to the drawings without inventive effort, wherein:

fig. 1 is a schematic structural diagram of a front optical module of the present invention;

fig. 2 is another schematic structural diagram of the front optical module of the present invention;

fig. 3 is a packaging structure of the color electronic paper display screen with the front light module of the present invention;

the labels in the figure are: 1-front light module, 2-light source module, 3-array substrate, 4-electronic ink sheet, 5-waterproof sealant, 100-transparent substrate, 200-light scattering layer, 300-flat layer, 400-filter layer and 500-protective layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Example 1

The utility model provides a pair of optical module's before multi-functional electronic paper structure, including transparent substrate 100, astigmatism layer 200, filter layer 400 and protective layer 500, transparent substrate 100's one side sets up a plurality of astigmatism point and constitutes astigmatism layer 200, filter layer 400 or protective layer 500 cover in astigmatism layer 200 top or transparent substrate 100's another side, filter layer 400 covers in protective layer 500 top or protective layer 500 covers in filter layer 400 top.

In the present embodiment, as shown in fig. 1, it is preferable that the light scattering layer 200, the filter layer 400 and the protection layer 500 are disposed in sequence and located on the same side of the transparent substrate 100; as shown in fig. 2, the filter layer 400 and the protection layer 500 may be disposed on different sides of the transparent substrate 100, respectively, using the same light scattering layer 200. In addition, the protection layer 500 may be interchanged with the filter layer 400. The manufacturing of the light diffusion layer 200 is completed on one surface of the transparent substrate 100 with high transmittance, and then the protective layer 500 and the light filtering structure are manufactured on the light diffusion layer 200 or on the other surface of the transparent substrate 100, so that the integration of the light guiding function, the waterproof protection function and the light filtering function is realized, the multi-layer pasting structure in the traditional process is avoided, the light refraction and transmittance loss caused by multi-layer materials is reduced, the brightness degree of colors is improved, the overall thickness is greatly reduced, and the color electronic book display screen with better colors can be conveniently manufactured.

Example 2

On the basis of embodiment 1, the transparent substrate 100 is made of a transparent material with high transmittance, including but not limited to PMMA, flexible glass, PC, TAC, PET or PEN.

Example 3

On the basis of embodiment 1, the transparent substrate 100 adopts a flexible board structure. The transparent substrate 100 is of a flexible board structure, which facilitates roll-to-roll processing during manufacturing. The transparent substrate 100 may have a hard plate structure, and the structure of the substrate 3 is not particularly limited.

Example 4

On the basis of embodiment 1, a flat layer 300 is further included, which is disposed on the light diffusion layer. When implemented, the planarization layer 300 can be used for filling and leveling, so that the subsequent process can be performed smoothly. For example, after the planarization layer 300 is manufactured, if the filter layer 400 and the protection layer 500 are located on the same side of the transparent substrate 100 as the light-scattering layer 200, the filter layer 400 or the protection layer 500 is coated on the planarization layer 300, and if the filter layer 400 and the protection layer 500 are located on different sides of the transparent substrate 100 from the light-scattering layer 200, other components are coated on the planarization layer 300.

Example 5

In addition to embodiment 1, as shown in fig. 1, the liquid crystal display further includes a light source module 2, and the light source module 2 is attached to the transparent substrate 100. In practice, the light source module 2 is attached to a set position of the transparent substrate 100, and the entire screen can be lit when the power is turned on. The light source assembly 2 can be attached after being manufactured, or can be attached after the optical module 1 is aligned and attached with the bottom plate before being manufactured.

Example 6

As shown in fig. 1, a method for manufacturing a multifunctional electronic paper front-light module includes the following steps:

s1: selecting a transparent substrate;

s2: manufacturing a plurality of light scattering points on one surface of a transparent substrate to form a light scattering layer;

s3: making a filter layer or a protective layer on the light scattering layer or on the other surface of the transparent substrate, if the filter layer is made first, performing S4, otherwise, performing S5;

s4: manufacturing an RGB (red, green and blue) filtering unit above the light scattering layer or on the other surface of the transparent substrate to form a filtering layer, and uniformly spraying a layer of water-blocking material above the filtering layer to form a protective layer;

s5: and a layer of water-blocking material is uniformly sprayed on the light scattering layer or the other surface of the transparent substrate to form a protective layer, and the RGB filter units are manufactured on the protective layer to form a filter layer.

It should be noted that, the RGB filter units in steps S4 and S5 may form an RGB three-color filter structure, or may form an RGBW four-color filter structure.

Example 7

On the basis of the embodiment 6, the scattered light spot is manufactured by adopting the processes including but not limited to laser, engraving and ink printing.

Example 8

Based on the embodiment 6, the light scattering point is manufactured by coating a layer of photoresist material on the transparent substrate and performing exposure and development.

Example 9

On the basis of the embodiment 6, the filter layer is manufactured by using a method including, but not limited to, ink printing, spraying, and exposure and development.

Example 10

On the basis of example 6, a flat layer was formed on the light diffusion layer.

As shown in fig. 3, in a method for manufacturing a color electronic ink display screen, a light source module 2 is first attached to a transparent substrate 100 of a front light module 1, and the whole screen can be lit up when power is turned on. And manufacturing an electronic ink sheet 4 on the array substrate 3, aligning and attaching the manufactured front light source module and the array substrate 3 on the electrophoretic display layer, so that R, G, B of the filter layer 400 and the four transparent sub-pixels are all in one-to-one correspondence with the array driving units of the array substrate 3, and thus, the attachment of the whole color display module is completed. And (3) coating and curing the waterproof sealant 5 on the periphery of the front light module 1 to complete the manufacture of the whole color display module. It should be noted that, if the electrophoretic display layer itself is a three-color electronic paper or a full-color electronic paper, the filter layer 400 can be omitted, and the front optical module 1 includes only the transparent substrate 100, the light-scattering layer 200 and the passivation layer 500. If the front light module 1 is only a black-and-white electronic paper, the filter layer 400 may be omitted, and the front light module 1 includes only the transparent substrate 100, the light-scattering layer 200, and the protective layer 500.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, and any modifications, equivalents and improvements made by those skilled in the art within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The structure of the front optical module of the multifunctional electronic paper is characterized in that: the light scattering layer is formed by arranging a plurality of light scattering points on one surface of the transparent substrate, the light scattering layer or the protective layer covers the light scattering layer or the other surface of the transparent substrate, and the light filtering layer covers the protective layer or the protective layer covers the light filtering layer.

2. The structure of a multifunctional electronic paper front light module as claimed in claim 1, wherein: the transparent substrate is made of a transparent material with high transmittance, including but not limited to PMMA or flexible glass or PC or TAC or PET or PEN.

3. The structure of a multifunctional electronic paper front light module as claimed in claim 1, wherein: the transparent substrate adopts a soft board structure.

4. The structure of a multifunctional electronic paper front light module as claimed in claim 1, wherein: further comprising a planar layer disposed on the light diffusing layer.

5. The structure of a multifunctional electronic paper front light module as claimed in claim 1, wherein: the LED lamp also comprises a light source assembly, wherein the light source assembly is attached to the transparent substrate.