TWI636278B - Brightening film structure with quantum dots and manufacturing method thereof - Google Patents

Abstract

A brightness enhancement film structure with quantum dots and a manufacturing method thereof, comprising: uniformly coating a photocurable coating on a substrate; the photocurable coating is fully mixed with a photosensitive resin and a quantum dot or a quantum rod, and the photocurable coating and the substrate are The light-cured light-cured microstructure is formed on the substrate, and the 稜鏡 microstructure is a continuous peak and a valley shape; the photo-curable coating and the substrate are pressed and cured by light to form a quantum dot structure. The brightness enhancement film can achieve the backlight module of the invention without using a conventional quantum dot film, that is, has a high saturation light source and high color rendering and power saving, and the brightness enhancement film of the invention can reduce the generation of blue light or eliminate blue light. Eye hurter.

Description

Brightening film structure with quantum dots and manufacturing method thereof

The invention provides a technical field of a backlight module, in particular to a technology for providing a brightness-enhancing film structure with quantum dots and a manufacturing method thereof, wherein the photo-curing coating with internal content points or quantum rods and the substrate are pressed and illuminated. Curing, it has a brightness enhancement film with a quantum dot structure.

According to the conventional conventional backlight panel having a quantum dot structure, as shown in the first figure, most of the light source 11 has a reflector 12 on the upper layer, and the first and second lower diffusion sheets 13 and 14 are disposed on the upper layer of the reflector 12, first. And a layer of quantum dot film 15 is laid over the second lower diffusion sheets 13 and 14, and then the light collecting film 16 (or brightness enhancement film) is laid on the upper layer, and the upper layer is the upper diffusion sheet 17 to form a conventional quantum. Point backlight module 10.

Or as shown in the second figure, another conventional quantum dot backlight module is the same as the conventional quantum dot backlight module 10 having the light source 11, the reflector 12, the first and the second a diffusion sheet 13, 14 , a light-concentrating film 16 (or brightness-increasing film) and an upper diffusion sheet 17, wherein the light-concentrating film 16 (or brightness-increasing film) is provided as a substrate 161A twisted microstructure 16A, and The accommodation space 19A formed between the crucible and the crucible is filled with the quantum dot 151A, and is in the micro-junction A water blocking film 18A is disposed above the structure 16A.

The above two methods not only have a very high cost in the construction of quantum dots, but also require more structures, longer manufacturing time, and no environmental benefits in materials, and need to pay for material costs, working hours, and environmental burdens. Quite a price. And its conventional quantum dot film is very expensive.

Therefore, in view of the problems existing in the above-mentioned conventional structure, how to develop an innovative structure that is more ideal and practical, the consumers are eagerly awaiting, and the relevant industry must strive to develop the goal and direction of breakthrough.

In view of this, the inventor has been engaged in the manufacturing development and design experience of related products for many years. After detailed design and careful evaluation, the inventor has finally obtained the practical invention.

The main object of the present invention is to provide a brightness-enhancing film structure with quantum dots and a manufacturing method thereof, which can cure a photocurable coating material and a substrate with a content of a sub-dots or a quantum rod, and obtain a quantum dot micro-defect. The structure of the brightness enhancement film; it brings innovative methods to the application of materials, but also saves man-hours, saves materials, and at the same time reduces the use of materials and brings greater environmental benefits.

The main object of the present invention is to provide a brightness enhancement film structure with quantum dots and a manufacturing method thereof, which comprises uniformly coating a photocurable coating on a substrate; the photocurable coating is fully mixed with a photosensitive resin and quantum dots or quantum rods. , light-curing coating and substrate pressure-light curing molding 稜鏡 microstructure In the foregoing substrate, the 稜鏡 microstructure is a shape of a continuous peak and a valley; and the substrate and the photocurable coating are combined by a pressure light to form a brightness enhancement film having a quantum dot structure and a microstructure. The invention of the backlight module does not need to use a conventional quantum dot film, that is, has a high saturation light source and high color rendering and power saving, and the brightness enhancement film of the invention can reduce the generation of blue light or eliminate the damage of blue light to the human eye.

The main object of the present invention is to provide a brightness enhancement film structure with quantum dots and a manufacturing method thereof, which introduces a quantum dot material into a photocurable coating of a brightness enhancement film, so that the brightness enhancement film has both brightness enhancement and quantum dot high color rendering. The effect of the optimization of the light of the light; the high-saturation light source that can be obtained by the backlight module without using the conventional quantum dot film, and the backlight module with high color rendering, the backlight module can achieve the effect of power saving.

The above-mentioned objects, structures and features of the present invention will be described in detail with reference to the preferred embodiments of the present invention. .

[study]

10‧‧‧Knowledge with quantum dot backlight module

11‧‧‧Light source

12‧‧‧reflector

13‧‧‧First diffuser

14‧‧‧Second lower diffuser

15‧‧‧Quantum dot film

151A‧‧·Quantum points

16‧‧‧Photo film

16A‧‧‧稜鏡Microstructure

161A‧‧‧ substrates

17‧‧‧Upper diffuser

18A‧‧‧Water-resistance sealing film

19A‧‧‧ accommodating space

〔this invention〕

21‧‧‧ substrates

22‧‧‧稜鏡Microstructure

221‧‧‧Photosensitive resin

222‧‧‧Quantum dots or quantum rods

223‧‧‧稜鏡峰

224‧‧‧稜鏡谷

30‧‧‧Brightness film with quantum dots and microstructures

40‧‧‧Water barrier

51‧‧‧Rolling continuous mode

52‧‧‧Pressure wheel

60‧‧‧UV illumination heater

70‧‧‧with quantum dot backlight module

71‧‧‧Light source

72‧‧‧reflector

73‧‧‧First diffuser

74‧‧‧Second lower diffuser

77‧‧‧Upper diffusion film

A‧‧‧Light curing coating

P‧‧‧ Pressurization

H‧‧‧The distance between the peak and the valley

L‧‧‧The distance between the two peaks

The first figure is a schematic diagram of a conventional quantum dot backlight module.

The second figure is a partial schematic view of another quantum dot backlight module.

The third figure is a schematic diagram of a production process of the present invention.

The fourth A diagram is a schematic diagram of an embodiment of the brightening mode of the present invention.

Figure 4B is a schematic view of another embodiment of the brightening mode of the present invention

The fifth figure is a schematic diagram of an embodiment of the present invention having a quantum dot backlight module.

The invention provides a designer of a brightness enhancement film structure with quantum dots and a manufacturing method thereof.

In order to enable the reviewing committee to have a better understanding and understanding of the purpose, features and effects of the present invention, the embodiments and the drawings are described in detail as follows: Referring to the third figure, the present invention provides an increase in quantum dots. The method for producing a bright film comprises the steps of: preparing a photocurable coating (A), mixing the photosensitive resin 221 with a quantum dot or a quantum rod 222 to form a photocurable coating (A); and step 2: a coating step, That is, the photocurable coating (A) is uniformly coated on a substrate 21; Step 3: is a pressing step, that is, pressing (P) of the pressing roller 52 by rolling the continuous mold 51, and curing by light, A brightness enhancement film 30 having a quantum dot structure and a microstructure is obtained. More specifically, a rolling continuous mold 51 is placed on one side of the photocurable coating material (A) to contact the photocurable coating material (A), and a pressure roller 52 is placed on one side of the substrate 21 to contact the substrate. The sheet 21, and the rolling continuous mold 51 and the pressure roller 52 are simultaneously pressurized with the photocurable coating (A) from the opposite sides of the photocurable coating material (A).

Referring to FIG. 4A, the present invention provides a quantum dot The brightness enhancing film structure comprises: a substrate 21; and a photocurable coating (A), wherein the photocurable coating (A) is sufficiently mixed with the photosensitive resin 221 and the quantum dots or quantum rods 222, and the photocurable coating ( A) uniformly coated on the substrate 21, and then cured by pressure (P) to form a brightness enhancement film 30 having a quantum dot structure, wherein the brightness enhancement film 30 having the quantum dot structure The ruthenium microstructures 22 are formed on the substrate 21, and the ruthenium microstructures 22 include a plurality of consecutively arranged peaks 223 and valleys 224.

The brightness enhancing film structure of the quantum dot, wherein the photosensitive resin 221 is a high light transmissive plastic photocurable resin.

The brightness enhancement film structure of the quantum dot, wherein the photosensitive resin 221 can be a water-blocking gas resin.

The brightness enhancement film structure of the quantum dot, wherein a vertical distance (H) between the peak 223 of the germanium microstructure 22 and the valley 224 is 1 to 40 μm.

The brightness enhancement film structure of the quantum dots, wherein the horizontal distance (L) of the two adjacent peaks 223 of the germanium microstructure 22 is 2 to 80 μm.

Referring to FIG. 4B, the brightness enhancement film structure of the quantum dots is further provided, wherein a surface of the germanium microstructure 22 is further provided with a water blocking layer 40.

The brightness enhancement film structure of the quantum dot, wherein the quantum dot or the quantum rod 222 occupies 0.0001~10% of the volume of the 稜鏡 microstructure.

As shown in the fifth figure, the quantum dot backlight module 70 of the present invention comprises a light source 71 having a reflector 72 on the upper layer, and the reflector 72 is provided with first and second lower diffusion sheets 73, 74 on the upper layer, first and second lower A brightness enhancement film 30 having a quantum dot structure and a microstructure is disposed on the diffusion sheets 73 and 74, and the upper layer is an upper diffusion film 77 to constitute the quantum dot backlight module 70 of the present invention. In the present invention, the photo-curing coating (A) and the substrate 21 of the inner content sub-point or the quantum rod 222 are pressed and cured (P) to obtain a brightness-enhancing film 30 having a quantum dot structure and a microstructure; The application brings innovative methods, which can save man-hours, save materials, and reduce the use of materials, and bring greater environmental benefits. The present invention is photocuring of the brightness enhancement film 30 with quantum dots and microstructures. The quantum dot material is introduced into the coating (A), so that the brightness enhancement film 30 with the quantum dot 稜鏡 microstructure has the effect of light optimization of brightening and high color rendering of the quantum dots; the backlight module does not need to use the conventional quantum The high saturation light source which can be obtained by the dot film and the quantum dot backlight module 70 with high color rendering property further enable the quantum dot backlight module 70 to achieve power saving effect.

It can be seen from the above that the brightness-increasing film structure with quantum dots of the present invention and the manufacturing method thereof are indeed the first in the industry and meet the novel requirements of the invention patent, and the comprehensive and innovative design conforms to the progressiveness of the invention patent. Essentially, and the photocurable coating and substrate plus the content of the sub-dots or quantum rods It is cured by pressure light and has a brightness enhancement film with a quantum dot structure and a micro structure, which is in line with better industrial utilization.

The present invention has been described with reference to the preferred embodiments of the present invention. However, those skilled in the art can change and modify the present invention without departing from the spirit and scope of the invention. Such changes and modifications shall be covered in the scope defined by the following patent application.

In summary, the present invention provides a brightness enhancement film structure with quantum dots and a method for fabricating the same, which have indeed achieved all the objects of the present invention, and the spatial pattern of the combined structure is not found in the same product, nor has it been disclosed in Before the application, it has complied with the provisions of the Patent Law and submitted an application in accordance with the law.

Claims (9)

A method for fabricating a brightness enhancement film structure with quantum dots, comprising: Step 1: preparing a photocurable coating (A), fully mixing the photosensitive resin with a quantum dot or a quantum rod to form a photocurable coating (A); Step 2: a coating step of uniformly coating the photocurable coating on a substrate; Step 3: a pressing step of placing a rolling continuous mold on one side of the photocurable coating to contact the photocurable coating, One of the substrates is placed on the side of the substrate to contact the substrate, and the rolling continuous mold and the pressing wheel are simultaneously pressurized by the two sides of the photocurable coating to the photocurable coating, and the light curing is performed. It is a brightness enhancement film with a quantum dot structure and a microstructure. The method for fabricating a brightness enhancement film structure with quantum dots according to claim 1, wherein the light curing is performed by a UV illumination heater. A brightness enhancement film structure with quantum dots prepared by the method of claim 1 of the patent, comprising: a substrate; and a photocurable coating (A), the photocurable coating (A) consisting of a photosensitive resin and a quantum dot Or the quantum rod is fully mixed, and the photocurable coating (A) is uniformly coated on the substrate, and then cured by pressing (P) light to form a quantum dot micro A brightness enhancing film of the structure, wherein the ruthenium microstructure is formed on the substrate and comprises a plurality of consecutively arranged peaks and valleys. The brightness enhancement film structure with quantum dots according to claim 3, wherein the photosensitive resin is a high light transmittance curable resin. The brightness enhancement film structure with quantum dots according to claim 3, wherein the photosensitive resin is a water-blocking resin. The brightness enhancement film structure with quantum dots according to claim 3, wherein a vertical distance (H) between the peak of the 稜鏡 microstructure and the 稜鏡 valley is 1 to 40 μm. The brightness enhancement film structure with quantum dots according to claim 3, wherein the horizontal distance (L) of the two adjacent peaks of the 稜鏡 microstructure is 2 to 80 μm. The brightness enhancement film structure with quantum dots according to claim 3, wherein a surface of the germanium microstructure is further provided with a water blocking layer. The brightness enhancement film structure with quantum dots according to claim 3, wherein the quantum dot or the quantum rod occupies 0.0001 to 10% of the volume of the 稜鏡 microstructure.