WO2018027920A1

WO2018027920A1 - Nanomaterial light-emitting device and packaging method for nanomaterial light-emitting device

Info

Publication number: WO2018027920A1
Application number: PCT/CN2016/094923
Authority: WO
Inventors: 伍燕锋; 张建兵; 何江
Original assignee: 深圳通感微电子有限公司
Priority date: 2016-08-12
Filing date: 2016-08-12
Publication date: 2018-02-15
Also published as: CN107004750A

Abstract

Disclosed are a nanomaterial light-emitting device and a packaging method for the nanomaterial light-emitting device. The nanomaterial light-emitting device comprises a base (10), a light-emitting member (20) arranged on the base (10) and a tube cap (30) mounted on the base (10). A light emergent hole (31) is provided on the tube cap, an optical device (32) is mounted on the light emergent hole (31), a light-filtering coating is arranged on the optical device (32), and the light-filtering coating is a nanomaterial coating. In the nanomaterial light-emitting device and the packaging method for the nanomaterial light-emitting device, the optical device (32) being mounted on the light emergent hole (31) provided on the tube cap (30) and the nanomaterial coating on the optical device (32) have the advantages of a good light-filtering effect and a high light energy utilization rate.

Description

Description: Inventive name: nano material light-emitting device and nano material light-emitting device packaging method

[0001] The present invention relates to the field of light-emitting devices, and in particular, to a method for packaging a nano material light-emitting device and a nano material light-emitting device.

Background technique

[0002] In the prior art, the caps in the products of the light-emitting device are often integrally formed, and the process cost is high and the filtering and concentrating efficiency are not good. In addition, the light-transmissive part of the cap is mostly filtered by a coating of a common material, so that the light energy utilization rate of the LED is very low.

technical problem

[0003] In the prior art, the caps in the products of the light-emitting device are often integrally formed, and the process cost is high and the filtering and concentrating efficiency are not good. In addition, the light-transmissive part of the cap is mostly filtered by a coating of a common material, so that the light energy utilization rate of the LED is very low.

Problem solution

Technical solution

The technical problem to be solved by the present invention is to provide an improved nano material light-emitting device and a nano material light-emitting device packaging method.

[0005] The technical solution adopted by the present invention to solve the technical problem thereof is: providing a nano material light-emitting device, comprising: a base, a light-emitting member disposed on the base, and a cap mounted on the base The light pipe is disposed on the light-emitting hole, and an optical device is disposed on the light-emitting hole, and the optical device is provided with a filter coating, and the filter coating is a nano material coating.

[0006] Preferably, the optical device comprises a glass substrate, and the glass substrate is provided with a nano material coating sheet formed by drying a nano material liquid, the filter coating comprising the nano material Coated sheet

[0007] Preferably, the optical device comprises a glass substrate, the glass substrate is provided with the filter coating, and the filter coating is disposed on the glass substrate by coating a nano material coating liquid It is formed by drying under high temperature or ultraviolet light. [0008] Preferably, the cap and the base are sealed and sealed in a nitrogen protection or vacuum environment; the light emitting member is disposed opposite to the optical device, and a space between the two is filled with nitrogen or Vacuum state.

[0009] Preferably, the nano material coating liquid is made of a nano material solution and/or powder mixed with AB glue and/or UV glue.

[0010] Preferably, the nanomaterial solution and/or powder is a quantum dot solution and/or a powder.

[0011] A method for packaging a nano material light-emitting device is further provided, comprising the steps of:

[0012] encapsulating the illuminating member to the pedestal;

[0013] a light hole is formed on the cap, and an optical device is mounted on the light exit hole, the optical device is coated with a filter coating, and the filter coating is a nano material coating;

[0014] sealing the cap and the base with a package.

[0015] Preferably, in the step of forming a light hole on the cap and mounting an optical device on the light exit hole, the method comprises:

[0016] coating the nano material liquid on a glass substrate using a suspension coating process;

[0017] the glass substrate is subjected to high temperature or ultraviolet drying to form the optical device;

[0018] The optical device is cut and embedded into the cap.

[0019] Preferably, in the step of forming a light hole on the cap and mounting an optical device on the light exit hole, the method comprises:

[0020] drying the nano material liquid to form a nano material coated sheet;

[0021] The nanomaterial coated sheet is attached to the cap having a glass substrate, and the glass substrate covers the light exit hole.

[0022] Preferably, in the step of forming a light hole on the cap and mounting an optical device on the light exit hole, the method includes:

[0023] the nano material coating liquid is spotted onto the glass flat window of the cap, the glass substrate covering the light exit hole;

[0024] The nanomaterial coating liquid is subjected to high temperature or ultraviolet drying together with the cap.

[0025] Preferably, in the step of forming a light hole on the cap and mounting an optical device on the light exit hole, the method comprises:

[0026] coating the nano material liquid on a glass substrate using a suspension coating process; [0027] the glass substrate is subjected to high temperature or ultraviolet drying to form a unitary piece;

[0028] cutting the monolith into a plurality of the optical devices;

[0029] The optical device is inserted into the cap.

Advantageous effects of the invention

Beneficial effect

[0030] The beneficial effects of the implementation of the present invention are: In the nano material light-emitting device and the nano material light-emitting device packaging method of the present invention, an optical device is mounted on the light exit hole of the upper cap of the cap, and the nano material coating on the optical device has a filter. The advantages of good light effect and high utilization of light energy.

Brief description of the drawing

DRAWINGS

[0031] The present invention will be further described below in conjunction with the accompanying drawings and embodiments, in which:

1 is a schematic structural view of a nano material light-emitting device according to some embodiments of the present invention;

2 is a flow chart of a method of packaging a nanomaterial light emitting device in some embodiments of the present invention.

BEST MODE FOR CARRYING OUT THE INVENTION

[0034] In order to more clearly understand the technical features, objects and advantages of the present invention, the embodiments of the present invention are described in detail with reference to the accompanying drawings.

1 shows a nanomaterial light-emitting device in some embodiments of the present invention, which enables an infrared (800-2000 nM) emission function of a blue LED chip by using a nano material and a specific structure. The nanomaterial light-emitting device in some embodiments of the present invention includes a base 10, a light-emitting member 20, and a cap 30. The light-emitting member 20 is disposed on the base 10, and the cap 30 is mounted on the base 10.

[0036] wherein the base 10 can be made of a common base 10 material. The cap 30 and the base 10 are preferably hermetically sealed in a nitrogen protected or vacuum environment.

[0037] The illuminating member 20 can be a common, any illuminating device, and the illuminating member 20 can realize its illuminating spectrum through the optical device 32, and only corresponding infrared light is emitted. Preferably, the illuminating member 20 is a nano material infrared LED. Alternatively, a 440 nM-460 nM blue LED chip can be packaged to the susceptor 10.

[0038] A light hole 31 is formed in the cap 30, and an optical device 32 is mounted on the light exit hole 31. Light emitting member 20 and optics The devices 32 are oppositely disposed, and the space between the two is filled with nitrogen or in a vacuum state.

[0039] The optical device 32 is provided with a filter coating, and the filter coating is a nano material coating. The nano-material coating level on the optical device 32 has the advantages of light level conversion, good filtering effect and high utilization of light energy. The nanomaterial coating liquid is prepared by mixing a nanomaterial solution and/or powder with AB glue and/or UV glue, and the proportion of each part of the mixed crucible can be set according to specific needs as long as the relevant functions can be realized. Preferably, the nanomaterial solution and/or powder is a quantum dot solution and/or a powder.

[0040] The optical device 32 is formed in various manners. In the first embodiment, the optical device 32 includes a glass substrate, and the glass substrate is provided with a nano material coated sheet formed by drying the nano material liquid. The filter coating comprises a nanomaterial coated sheet.

[0041] In a second embodiment, the optical device 32 includes a glass substrate on which a filter coating is disposed, and the filter coating is disposed on the glass substrate via a high temperature Or UV drying to form. Alternatively, the order in which the nanomaterial coating liquid is disposed on the glass substrate may not be limited. For example, the nano material liquid can be first applied to a glass substrate by a suspension coating process; then, the glass substrate is subjected to high temperature or ultraviolet drying to form the optical device 32; finally, the optical device 32 is cut and then embedded into the cap 30. . Alternatively, the nano material coating liquid may be spotted onto the glass flat window of the cap 30, and the glass substrate is covered on the light exit hole 31; and the nano material coating liquid and the cap 30 are further Start with high temperature or UV drying.

[0042] In a third embodiment, the nanomaterial liquid is first applied to a glass substrate using a suspension coating process. The glass substrate is then dried at a high temperature or by ultraviolet to form a monolith. It will be understood that the glass substrate in this embodiment differs from the other embodiments in that the glass substrate is bulky and the monolith is a larger piece of glass. The monolith is then cut into a number of optics 32. In this way, multiple filters can be made in batches with high efficiency. Finally, the optical device 32 is inlaid into the cap 30.

[0043] The packaging principle of the nano material light-emitting device in the embodiment of the present invention will be described below with reference to FIG. 1, FIG. 2 and a packaging method of the nano material light-emitting device in some embodiments of the present invention.

[0044] In the packaging method of the nano material light-emitting device in some embodiments of the present invention, the light-emitting member 20 is first packaged to the susceptor ₁₀ . The illuminating member 20 can be a common luminescent material, preferably a nano material infrared LED. Alternatively, a 440 nM-460 nM blue LED chip can be packaged to the susceptor 10.

[0045] Next, a light hole 31 is formed on the cap 30, and an optical device 32 is mounted on the light exit hole 31, the optical device The member 32 is coated with a filter coating, and the filter coating is a nanomaterial coating. The nano material coating liquid is prepared by mixing nano material solution and/or powder with AB glue and/or UV glue, and the proportion of each part of the mixed mash can be set according to specific needs, as long as the relevant functions can be realized. Preferably, the nanomaterial solution and/or powder is a quantum dot solution and/or powder.

[0046] In this step, various embodiments may be implemented to implement related functions, as described in the following embodiments 1 to 4.

[0047] In Example 1, the nanomaterial liquid was first applied to a glass substrate using a suspension coating process. The glass substrate is then dried at a high temperature or ultraviolet to form an optical device 32. Finally, the optical device 32 is cut and inserted into the cap 30.

[0048] In Embodiment 2, the nano material liquid is first dried separately to form a nano material coated sheet. The nano-material coated sheet is then attached to a cap 30 having a glass substrate which is overlaid on the light-emitting aperture 31.

[0049] In the third embodiment, the nano material coating liquid is first dispensed onto the glass substrate of the cap 30, and the glass substrate is covered on the light exit hole 31; High temperature or ultraviolet drying is performed together with the cap 30.

[0050] In Example 4, the nanomaterial liquid was first applied to a glass substrate using a suspension coating process. The glass substrate is then dried at elevated temperature or ultraviolet to form a unitary piece. It is to be understood that the glass substrate of Example 4 is different from that of Examples 1 to 3, wherein the glass substrate is bulky and the monolith is a larger glass sheet. The monolith is then cut into a number of optics 32. In this way, multiple filters can be made in batches with high efficiency. The optic 32 is then inlaid into the cap 30.

[0051] After the above steps, the cap 30 and the base 10 are finally sealed and packaged. Among them, the base 10 can be made of a material of a common base 10. The cap 30 and the base 10 are preferably hermetically sealed in a nitrogen protected or vacuum environment.

The above description is only a preferred embodiment of the present invention, and the scope of protection of the present invention is not limited to the above embodiments, and all the technical solutions under the inventive concept belong to the protection scope of the present invention. It should be noted that those skilled in the art should be considered as the scope of protection of the present invention without departing from the principles of the invention.

Claims

Claim

A nano material light-emitting device, comprising: a base (10), a light-emitting member (20) disposed on the base (10), and a cap mounted on the base (10) ( 30); a light hole (31) is mounted on the cap (30), and an optical device (32) is mounted on the light exit hole (31), and the optical device (32) is provided with a filter coating The filter coating is a nano material coating.

The nano material light-emitting device according to claim 1, wherein the optical device (32) comprises a glass substrate, and the glass substrate is provided with a nano material coating formed by drying the nano material liquid. a filter, the filter coating comprising the nanomaterial coated sheet.

The nano material light-emitting device according to claim 1, wherein the optical device (32) comprises a glass substrate, the glass substrate is provided with the filter coating, and the filter coating passes A nanomaterial coating liquid is disposed on the glass substrate and formed by high temperature or ultraviolet drying.

The nano material light-emitting device according to any one of claims 1 to 3, wherein the cap (30) and the base (10) are hermetically sealed in a nitrogen atmosphere or a vacuum environment; The member (20) is disposed opposite to the optical device (32), and a space between the two is filled with nitrogen or in a vacuum state.

The nano material light-emitting device according to claim 2 or 3, wherein the nano material coating liquid is made of a nano material solution and/or powder mixed with AB glue and/or UV glue.

[Claim 6] The nanomaterial light-emitting device according to claim 5, wherein the nanomaterial solution and/or powder is a quantum dot solution and/or a powder.

[Claim 7] A method for packaging a nano material light-emitting device, comprising the steps of: packaging a light-emitting member (20) to a susceptor (10);

a light hole (31) is formed on the cap (30), and an optical device (32) is mounted on the light exit hole (31), and the optical device (32) is coated with a filter coating layer. The filter coating is a nano material coating; The cap (30) and the base (10) are hermetically sealed.

[Claim 8] The packaging method according to claim 7, wherein a light hole (31) is formed on the cap (30), and an optical is mounted on the light exit hole (31). The steps of the device (32) include:

The nano material liquid is applied to a glass substrate by a suspension coating process; the glass substrate is subjected to high temperature or ultraviolet drying to form the optical device (32); the optical device (32) is cut and embedded The cap (30).

[Claim 9] The packaging method according to claim 7, wherein a light hole (31) is formed on the cap (30), and an optical is mounted on the light exit hole (31) The steps of the device (32) include:

Drying the nano material liquid to form a nano material coated sheet; attaching the nano material coated sheet to the cap (30) having a glass substrate, the glass substrate covering the light exit hole (31) Upper.

[Claim 10] The packaging method according to claim 7, wherein a light hole (31) is formed on the cap (30), and an optical is mounted on the light exit hole (31). The steps of the device (32) include:

Disposing the nano material coating liquid on the glass flat window of the cap (30) by means of dispensing, the glass substrate covering the light exit hole (31); coating the nano material The liquid is subjected to high temperature or ultraviolet drying together with the cap (30).

[Claim 11] The packaging method according to claim 7, wherein a light hole (31) is formed on the cap (30), and an optical is mounted on the light exit hole (31). The steps of the device (32) include:

Applying the nano material liquid to a glass substrate by using a suspension coating process; drying the glass substrate at a high temperature or ultraviolet to form a monolithic member;

The monolith is cut into a plurality of the optical devices (32); the optical device (32) is inlaid into the cap (30).