CN109459887B - Method for manufacturing light source component and light source component - Google Patents
Method for manufacturing light source component and light source component Download PDFInfo
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- CN109459887B CN109459887B CN201811314149.1A CN201811314149A CN109459887B CN 109459887 B CN109459887 B CN 109459887B CN 201811314149 A CN201811314149 A CN 201811314149A CN 109459887 B CN109459887 B CN 109459887B
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- light source
- optical film
- film
- roll film
- source roll
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133608—Direct backlight including particular frames or supporting means
Abstract
The application provides a method for manufacturing a light source component and a light source component, which comprises the following steps: providing a flexible substrate, and forming a plurality of light sources on the surface of the flexible substrate to obtain a light source plate; arranging the light source plate on a base film to obtain a light source roll film; forming a viscous material on the light source roll film; and attaching the optical film to the light source roll film through the viscous material to obtain the light source assembly. And (3) attaching the optical film to the light source roll film through the viscous material so as to obtain the light source assembly. The thickness of the backlight module can be reduced, thereby achieving the purpose of realizing a thinned liquid crystal display.
Description
Technical Field
The application relates to the technical field of display, in particular to a manufacturing method of a light source assembly and the light source assembly.
Background
With the development of the optoelectronic and semiconductor technologies, the development of flat panel displays has been increased, and among the flat panel displays, Liquid Crystal Displays (LCDs) have been applied to various aspects of production and living due to their excellent characteristics, such as high space utilization efficiency, low power consumption, no radiation, and low electromagnetic interference.
The thinning of the liquid crystal display is the mainstream direction of the development of the liquid crystal display products at present, and how to further reduce the thickness of the liquid crystal display is the main direction of the development of the manufacturers.
Disclosure of Invention
The embodiment of the application provides a manufacturing method of a light source assembly and the light source assembly, which can realize a thin liquid crystal display.
In a first aspect, the present application provides a method of making a light source assembly, comprising:
providing a flexible substrate, and forming a plurality of light sources on the surface of the flexible substrate to obtain a light source plate;
arranging the light source plate on a base film to obtain a light source roll film;
forming a viscous material on the light source roll film;
and attaching the optical film to the light source roll film through the viscous material to obtain the light source assembly.
In the method for manufacturing a light source module described in the present application, the step of attaching an optical film to the light source roll film by using the adhesive material to obtain the light source module includes:
placing an optical film on the adhesive material;
and attaching the optical film to the light source roll film through the viscous material by adopting an attaching process to obtain the light source assembly.
In the method for manufacturing a light source module described in the present application, the step of obtaining the light source module by applying the adhesive material to the optical film by using the application process includes:
pressing the optical film to enable the surfaces of the light sources to be in contact with the optical film;
curing the viscous material to enable the optical film to be attached to the light source roll film, so that the light source roll film with the optical film is obtained;
and cutting the light source roll film formed with the optical film to obtain the light source assembly.
In the method for manufacturing a light source module described in the present application, before the step of cutting the light source roll film on which the optical film is formed to obtain the light source module, after the step of processing the viscous material to attach the optical film to the light source roll film to obtain the light source roll film on which the optical film is formed, the method further includes:
marking a preset cutting point on the optical film;
the step of cutting the light source roll film formed with the optical film to obtain the light source assembly includes: and cutting the light source roll film formed with the optical film according to the preset cutting point to obtain the light source assembly.
In the method for manufacturing a light source module described herein, the adhesive material includes a first adhesive material and a second adhesive material, and the step of attaching the optical film to the light source roll film by the adhesive material to obtain the light source module includes:
coating a first adhesive material on the light source roll film to form a first adhesive layer on the light source roll film;
applying a second adhesive material on the first adhesive layer;
placing an optical film on the second adhesive material;
pressing the optical film to enable the optical film to be in contact with the surface of the first bonding layer;
and curing the second viscous material to enable the optical film to be attached to the light source roll film so as to obtain the light source assembly.
In a second aspect, the present application provides a light source assembly comprising:
a flexible substrate comprising first and second oppositely disposed surfaces;
a plurality of light sources spaced apart on the first surface;
a first adhesive layer disposed on the first surface and covering the plurality of light sources;
a base film disposed on the second surface;
an optical film disposed on the first adhesive layer.
In the light source module described herein, the surfaces of the plurality of light sources are each in contact with the optical film.
In the light source module described herein, the light source module further comprises: and the second bonding layer is arranged between the first bonding layer and the optical film, one surface of the second bonding layer is connected with the first bonding layer, and the other surface of the second bonding layer is connected with the optical film.
In the light source module described herein, the refractive index of the first adhesive layer is different from the refractive index of the second adhesive layer.
In the light source assembly described herein, a projection of the first bonding layer on the flexible substrate coincides with a projection of the second bonding layer on the flexible substrate.
The application provides a method for manufacturing a light source component and a light source component, which comprises the following steps: providing a flexible substrate, and forming a plurality of light sources on the surface of the flexible substrate to obtain a light source plate; arranging the light source plate on a base film to obtain a light source roll film; forming a viscous material on the light source roll film; and attaching the optical film to the light source roll film through the viscous material to obtain the light source assembly. And (3) attaching the optical film to the light source roll film through the viscous material so as to obtain the light source assembly. The thickness of the backlight module can be reduced, thereby achieving the purpose of realizing a thinned liquid crystal display.
Drawings
In order to illustrate the embodiments or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the application, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic flow chart illustrating a method for manufacturing a light source module provided herein;
FIG. 2 is a first schematic fabrication diagram of a method of fabricating a light source module provided herein;
FIG. 3 is a second schematic fabrication view of a method of fabricating a light source module provided herein;
FIG. 4 is a third schematic process diagram illustrating a method of fabricating a light source module according to the present disclosure;
FIG. 5 is a fourth process diagram illustrating a method of fabricating a light source module according to the present disclosure;
FIG. 6 is a schematic structural view of a first embodiment of a light source module provided herein;
fig. 7 is a schematic structural diagram of a second embodiment of a light source module provided in the present application.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and are only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
Referring to fig. 1, fig. 1 is a schematic flow chart illustrating a method for manufacturing a light source module provided in the present application.
The embodiment of the application provides a method for manufacturing a light source assembly, which includes:
110. providing a flexible substrate, and forming a plurality of light sources on the surface of the flexible substrate to obtain the light source plate.
Referring to fig. 2 and 3, fig. 2 is a first process diagram of a method for manufacturing a light source module provided by the present application, and fig. 3 is a second process diagram of the method for manufacturing the light source module provided by the present application.
The plurality of light sources 20 may be bound to the surface of the flexible substrate 10 by a binding technique, resulting in a light source board. The Flexible substrate 10 may include a plurality of Flexible Printed Circuits (FPCs) connected to each other, and the Light source 20 may be a Light Emitting Diode (LED). The interconnection of the plurality of light sources 20 with the flexible substrate 10 may be achieved by means of heat and pressure. Here, the interconnection means that the plurality of light sources 20 are firmly and reliably mechanically or electrically connected to the flexible substrate 10, and are not merely fixedly disposed on the flexible substrate 10.
In the method for manufacturing a light source module provided in the present application, the plurality of light sources 20 may be moved to a plurality of preset regions on the surface of the flexible substrate, where each light source corresponds to one preset region. And then, binding each light source on the corresponding preset area to obtain the light source plate.
That is, "forming a plurality of light sources on a surface of a flexible substrate, resulting in a light source board" specifically includes:
and respectively moving the light sources to a plurality of preset areas on the surface of the flexible substrate.
And binding each light source on the corresponding preset area to obtain the light source plate.
For example, five light sources are moved onto five predefined areas of the surface of the flexible substrate, one predefined area for each light source. Then, the five light source modules can be bound to the corresponding preset regions at one time to obtain the light source board. Alternatively, a light source may be bound to a predetermined area. And after the light source is bound, binding the next light source until all the light sources are bound.
120. And arranging the light source plate on the base film to obtain the light source roll film.
Referring to fig. 4, fig. 4 is a third process schematic view of a method for manufacturing a light source module according to the present disclosure.
Transfer the light source board to on the base film 40 to adopt attached mode, realize the laminating of light source board and base film 40, thereby obtain the light source and roll up the membrane. The base film 40 is made of Polyethylene terephthalate (PET). The PET film has excellent mechanical performance, the toughness of the PET film is the best of all thermoplastics, the tensile strength and the impact strength of the PET film are much higher than those of common films, and the PET film has good stiffness and stable dimension. In addition, the PET film has excellent heat resistance, cold resistance, chemical resistance and oil resistance.
130. And forming a viscous material on the light source roll film.
Referring to fig. 5, fig. 5 is a fourth process schematic view illustrating a method for manufacturing a light source module according to the present disclosure.
The adhesive material 31 may be coated on one side of the light source roll film on which the plurality of light sources 20 are formed by a coating process. The adhesive material may be used to protect the plurality of light sources 20 from damage during subsequent processing. Wherein the adhesive material 31 is silicone or ultraviolet curing glue.
140. And adhering the optical film to the light source roll film through the viscous material to obtain the light source component.
The optical film 50 is one or more of a prism film, a reflective polarizer, and a high emissivity emissive sheet. And after the adhesive material is coated on the light source roll film, the optical film is attached to the optical roll film by adopting an attaching process to obtain the light source assembly.
That is, the step of "attaching the optical film to the light source roll film by using an adhesive material to obtain the light source module" specifically includes:
an optical film is placed over the adhesive material.
And (3) attaching the optical film to the light source roll film through the adhesive material by adopting an attaching process to obtain the light source component.
In addition, when the Mini-LED is used for the LCD backlight, the distance between two adjacent light sources in the light source component is small because of the small size of the Mini-LED. Therefore, when the light source assembly is applied to the Mini-LED, only the light source assembly is required to be guaranteed to have the light mixing height. That is, the light mixing height may be equal to the distance between the optical film and the light source. In order to achieve the purpose, in the process of attaching the optical film and the light source rolling film, the optical film can be pressed, so that the surfaces of the plurality of light sources are all contacted with the optical film. Then, the adhesive material is cured, and the position of the optical film on the light source roll film is fixed, so that the light source roll film with the optical film formed thereon is obtained. Therefore, the thickness of the light source component can be reduced, and the aim of realizing a thin liquid crystal display is fulfilled. In some cases, the diffusion plate can be omitted, so that the production cost of the light source assembly is reduced, and the production efficiency of the light source assembly is improved.
That is, the step of "attaching an optical film sheet to a light source roll film via an adhesive material to obtain a light source module" includes:
and pressing the optical film to enable the surfaces of the light sources to be in contact with the optical film.
And curing the viscous material to enable the optical film to be attached to the light source roll film, so as to obtain the light source roll film with the optical film.
And cutting the light source roll film with the optical film to obtain the light source component.
The method for curing the viscous material can be an ultraviolet curing method, and the viscous material can be ultraviolet curing glue. If the adhesive material is silicone, the adhesive material may be cured by a high temperature curing method. Of course, the viscous material may also be other types of materials, and is specifically selected according to actual needs, and is not limited herein. The structure of the resulting light source module is shown in fig. 6.
It should be noted that the step of "cutting the light source roll film formed with the optical film to obtain the light source assembly" is specifically determined according to actual requirements. For example, in the light source film winding process using the optical film, the light source film roll having the optical film needs to be cut to obtain three light source assemblies. And before cutting, a plurality of preset cutting points can be marked on the optical film so as to facilitate the process of subsequent cutting.
That is, before the step of "cutting the light source roll film on which the optical film is formed to obtain the light source assembly", the step of "curing the adhesive material to bond the optical film to the light source roll film to obtain the light source roll film on which the optical film is formed" further includes:
and marking a preset cutting point on the optical film.
Cutting the light source roll film formed with the optical film to obtain a light source assembly, comprising: and cutting the light source roll film with the optical film according to a preset cutting point to obtain the light source assembly.
This preset cutting point can mark through modes such as laser, only mark preset cutting point on the position of cutting, can not cause the damage to optical film 50, can also improve the efficiency of cutting to improve the production efficiency of light source subassembly.
In addition, the viscous material may include a first viscous material and a second viscous material, and the refractive index of the first viscous material and the refractive index of the second viscous material are different. The first adhesive material is mainly used for protecting the light sources and preventing the light sources from being damaged in the manufacturing process. The second viscous material is mainly used for building the light mixing height.
For example, a first adhesive material is first coated on the light source roll film, and then the first adhesive material is cured by a curing process to form the first adhesive layer 31 on the light source roll film. Wherein the first adhesive layer 31 covers at least the plurality of light sources. Next, a second adhesive material is applied on the first adhesive layer. Then, the optical film is placed on the second adhesive material, and the optical film is pressed so that the light source film is in contact with the surface of the first adhesive layer. Therefore, the bonding property of the optical film and the light source rolling film can be improved, and the light mixing height can be reduced, so that the thickness of the backlight module is reduced, and the aim of thinning the liquid crystal display panel is fulfilled. Finally, the second adhesive material is cured to obtain the light source assembly, as shown in fig. 7.
That is, the step of "attaching the optical film to the light source roll film by using an adhesive material to obtain the light source assembly" specifically includes:
a first adhesive material is coated on the light source roll film to form a first adhesive layer on the light source roll film.
A second adhesive material is applied over the first adhesive layer.
An optical film is placed onto the second adhesive material.
And pressing the optical film to make the optical film contact with the surface of the first bonding layer.
And curing the second viscous material to enable the optical film to be attached to the light source roll film so as to obtain the light source component.
According to the manufacturing method of the light source assembly, the optical film is attached to the light source roll film through the viscous material, and therefore the light source assembly is obtained. The thickness of the backlight module can be reduced, thereby achieving the purpose of realizing a thinned liquid crystal display.
Referring to fig. 6, the present application further provides a light source assembly 1, which includes a flexible substrate 10, a plurality of light sources 20, a first adhesive layer 31, a base film 40, and an optical film 50.
The flexible substrate 10 includes a first surface 101 and a second surface 102 disposed opposite to each other, and the plurality of light sources 20 are disposed on the first surface 101 at intervals. The first adhesive layer 31 is disposed on the first surface 102, and the first adhesive layer 31 covers the plurality of light sources 20. The base film 40 is disposed on the second surface 102. The optical film 50 is disposed on the first adhesive layer 31.
The flexible substrate 10 includes at least one flexible wiring board. For example, when the flexible substrate 10 includes a flexible wiring board, the plurality of light sources 20 are disposed on the flexible wiring board. For another example, the flexible substrate 10 includes three flexible circuit boards, and each of the flexible circuit boards is provided with a plurality of light sources 20. That is, each of the flexible wiring boards corresponds to a plurality of light sources 20. Please refer to the foregoing embodiments for specific setting methods, which are not described herein.
In the light source module provided herein, the surfaces of the plurality of light sources 20 are each in contact with the optical film 103. This is advantageous for reducing the thickness of the light source module 1, thereby achieving the purpose of a thin liquid crystal display.
Referring to fig. 7, fig. 7 is a schematic structural diagram of a light source module according to a second embodiment of the present disclosure.
Compared to the first embodiment of the present application, the difference is that the light source module 2 further comprises: and a second adhesive layer 32, wherein the second adhesive layer 32 is disposed between the first adhesive layer 31 and the optical film 50, one surface of the second adhesive layer 32 is connected to the first adhesive layer 31, and the other surface of the second adhesive layer 32 is connected to the optical film 50. Wherein the refractive index of the first adhesive layer 31 is different from the refractive index of the second adhesive layer 32. For example, the refractive index of first adhesive layer 31 is greater than the refractive index of second adhesive layer 32.
In the light source assembly provided herein, the projection of the first adhesive layer 31 on the flexible substrate 10 coincides with the projection of said second adhesive layer on the flexible substrate 10.
In the light source module provided by the present application, the optical film 50 is attached to the first adhesive layer 31 to reduce the thickness of the backlight module, thereby achieving the purpose of implementing the thinned liquid crystal display.
The above detailed description of the method for manufacturing a light source module and the light source module provided in the embodiments of the present application, and the specific examples applied herein have been provided to explain the principles and embodiments of the present application, and the above description of the embodiments is only provided to help understanding the present application. Meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (5)
1. A method of making a light source module, comprising:
providing a flexible substrate, and forming a plurality of light sources on the surface of the flexible substrate to obtain a light source plate;
arranging the light source plate on a base film to obtain a light source roll film;
forming a viscous material on the light source roll film;
and adhering an optical film to the light source roll film through the viscous material to obtain a light source assembly, wherein the surfaces of the light sources are in contact with the optical film.
2. The method for manufacturing a light source module according to claim 1, wherein the step of attaching the optical film sheet to the light source roll film by the adhesive material to obtain the light source module comprises:
placing an optical film on the adhesive material;
and attaching the optical film to the light source roll film through the viscous material by adopting an attaching process to obtain the light source assembly.
3. The manufacturing method of claim 2, wherein the step of attaching the optical film to the light source roll film through the adhesive material by using an attaching process to obtain the light source module comprises:
pressing the optical film;
curing the viscous material to enable the optical film to be attached to the light source roll film, so that the light source roll film with the optical film is obtained;
and cutting the light source roll film formed with the optical film to obtain the light source assembly.
4. The method according to claim 3, wherein before the step of cutting the optical film sheet-formed light source roll film to obtain the light source assembly, the method further comprises, after the step of processing the adhesive material to bond the optical film sheet to the light source roll film to obtain the optical film sheet-formed light source roll film:
marking a preset cutting point on the optical film;
the step of cutting the light source roll film formed with the optical film to obtain the light source assembly includes: and cutting the light source roll film formed with the optical film according to the preset cutting point to obtain the light source assembly.
5. A light source assembly, comprising:
a flexible substrate comprising first and second oppositely disposed surfaces;
a plurality of light sources spaced apart on the first surface;
a first adhesive layer disposed on the first surface and covering the plurality of light sources;
a base film disposed on the second surface;
an optical film disposed on the first adhesive layer, surfaces of the plurality of light sources each being in contact with the optical film.
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| CN201811314149.1A CN109459887B (en) | 2018-11-06 | 2018-11-06 | Method for manufacturing light source component and light source component |
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| CN201811314149.1A CN109459887B (en) | 2018-11-06 | 2018-11-06 | Method for manufacturing light source component and light source component |
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| CN109459887B true CN109459887B (en) | 2021-11-02 |
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| WO2011019050A1 (en) * | 2009-08-13 | 2011-02-17 | 株式会社タイカ | Gel member for optical use, method for assembling optical device using same, and optical device |
| CN206610054U (en) * | 2016-09-30 | 2017-11-03 | 深圳市玲涛光电科技有限公司 | Light source assembly and its display device |
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| CN101707030A (en) * | 2009-11-16 | 2010-05-12 | 东莞市邦臣光电有限公司 | Outdoor LED display screen |
| CN102222752A (en) * | 2010-04-15 | 2011-10-19 | 珠海市力丰光电实业有限公司 | Light emitting diode and manufacturing method thereof |
| JP2012253223A (en) * | 2011-06-03 | 2012-12-20 | Citizen Holdings Co Ltd | Method for manufacturing semiconductor light-emitting element |
| CN105006511A (en) * | 2015-07-29 | 2015-10-28 | 广州市鸿利光电股份有限公司 | LED package method |
| CN108089376A (en) * | 2017-12-29 | 2018-05-29 | 宁波东辉光电科技有限公司 | A kind of direct-type backlight diaphragm structure |
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