CN111336413A - Novel lamp pearl and have lamp strip and backlight unit of novel lamp pearl - Google Patents
Novel lamp pearl and have lamp strip and backlight unit of novel lamp pearl Download PDFInfo
- Publication number
- CN111336413A CN111336413A CN202010232614.8A CN202010232614A CN111336413A CN 111336413 A CN111336413 A CN 111336413A CN 202010232614 A CN202010232614 A CN 202010232614A CN 111336413 A CN111336413 A CN 111336413A
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- China
- Prior art keywords
- diffusion
- substrate
- lamp bead
- novel
- novel lamp
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/68—Details of reflectors forming part of the light source
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
-
- 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
- G02F1/133603—Direct backlight with LEDs
-
- 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
- G02F1/133605—Direct backlight including specially adapted reflectors
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- Optics & Photonics (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a novel lamp bead, which comprises a bracket, wherein the bracket comprises a substrate; the substrate is provided with an insulating piece, the insulating piece divides the substrate into a positive plate and a negative plate, and the positive plate and the negative plate are both provided with light-emitting chips; the side edges of the substrate extend upwards to form reflecting bodies, the substrate and the reflecting bodies are enclosed to form a support, and the top of the support is provided with a light outlet; be equipped with the diffusion colloid in the support, the diffusion colloid includes that the equipartition sets up the diffusion powder in the diffusion colloid, and the diffusion colloid is including distributing the phosphor powder of the internal lower part of diffusion colloid. The invention also discloses a lamp strip with the novel lamp bead and a backlight module; the novel lamp beads are arranged on the lamp strip and the backlight module, so that the lamp strip and the backlight module have better light emitting effects, and the taste picture of the novel backlight module in application is improved.
Description
Technical Field
The invention relates to a lamp bead, in particular to a novel lamp bead, a lamp bar with the novel lamp bead and a backlight module.
Background
LED light sources have been used in the lighting and backlighting markets. In the LED illumination market, as lamps with high brightness, high lighting effect and low cost are main products required by the future market, in the backlight market, the rapid increase of the requirements of LED liquid crystal televisions and display screens is benefited, and the LED bracket has the characteristics of miniaturization, medium and high power.
From PPA (thermoplastic) of the first generation to ceramic substrates of the second generation, PCT (polyhexamethylene terephthalate) of the third generation, EMC (thermosetting epoxy resin material) of the fourth generation. LED packages have undergone numerous technological upgrades and product generations.
①, the power of the LED is limited to 0.5W due to the plastic property of PPA as the packaging material.
②, the ceramic substrate used as the LED packaging bracket has excellent corrosion resistance, low thermal expansion coefficient and good UV resistance and heat resistance, but the material cost is greatly increased.
③, PCT as packaging material, the LED power is limited to 1W due to its thermal expansion coefficient and UV resistance characteristics.
Therefore, in recent years, EMC brackets suitable for medium and high power are actively introduced in LED packaging factories, and EMC bracket processes are greatly different from conventional PPA and PCT, but the excellent performances such as heat resistance, UV resistance, and light reflectivity are gradually substituted for the change of products with power within PPA and PCT 1W to 2W. However, with the market demands for low cost and high performance of LEDs, SMC (thermosetting silicone composite) is now adopted for LED support packaging to achieve a power of 2W or more and a light reflectance of 90% or more.
However, in the prior art, the SMC packaging support is formed by dividing the positive electrode and the negative electrode from the middle region, so that a concentrated point light source is not easily generated due to a relatively large distance between the two chips, and the two chips cannot provide a lens after emitting light and then are uniformly dispersed, and therefore, improvement on related structures is needed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a novel lamp bead, a lamp bar with the novel lamp bead and a backlight module.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
the invention provides a novel lamp bead, which comprises a bracket, wherein the bracket comprises a substrate; the substrate is provided with an insulating piece, the insulating piece divides the substrate into a positive plate and a negative plate, light-emitting chips are arranged on the positive plate and the negative plate, the light-emitting chips on the positive plate are respectively connected with the positive plate and the negative plate through leads, and the light-emitting chips on the negative plate are respectively connected with the positive plate and the negative plate through leads;
the side edges of the substrate extend upwards to form reflecting bodies, the substrate and the reflecting bodies are enclosed to form the support, and the top of the support is provided with a light outlet; the support is internally provided with a diffusion colloid, the diffusion colloid comprises diffusion powder which is uniformly distributed in the diffusion colloid, and the diffusion colloid comprises fluorescent powder which is distributed at the lower part in the diffusion colloid.
In one preferable embodiment of the present invention, the insulating member equally divides the substrate.
One preferable scheme of the invention is that the diffusion colloid further comprises glue, and the diffusion colloid is prepared from the diffusion powder, the fluorescent powder and the glue.
In one preferable scheme of the invention, the support is in the shape of a reflective cup.
In one preferable embodiment of the present invention, the wire is a gold wire.
In one preferred embodiment of the present invention, the light emitting chip is fixedly disposed on the substrate through a die attach adhesive.
The invention also provides a novel lamp strip which comprises the novel lamp beads, the lamp beads are arranged on the lamp strip at intervals, and lenses are covered on the novel lamp beads.
The invention also provides a backlight module which comprises the novel lamp strip and a back shell, wherein the lamp strip is arranged on the front side of the back shell, a reflecting plate is covered on the front side of the back shell, a through hole matched with a lamp bead on the lamp strip is formed in the reflecting plate, and the lamp bead penetrates through the through hole.
In one preferable embodiment of the present invention, the reflector is
The front upper cover is provided with a diffusion plate.
One preferable scheme of the invention is that the front side of the reflector is provided with a top column.
Compared with the prior art, the invention has the advantages that: the novel lamp strip and the novel lamp bead are arranged on the backlight module, so that the light emitting effect of the lamp strip and the backlight module is better through the novel lamp bead, and the taste picture of the novel backlight module in application is improved.
Drawings
FIG. 1 is a longitudinal cross-sectional illustration of the inventive stent;
FIG. 2 is a schematic top view of the stand of the present invention;
FIG. 3 is a schematic view of the structure of a lamp bead and a lens according to the present invention;
FIG. 4 is a schematic view of a light bar according to the present invention;
FIG. 5 is a schematic view of a backlight module according to the present invention;
illustration of the drawings: 1-bracket, 2-substrate, 3-insulator, 4-light emitting chip, 5-reflector, 6-diffusion colloid, 8-die bond, 9-lens, 10-back shell, 11-reflector, 12-through hole, 13-diffuser plate and 14-top column.
Detailed Description
In order to facilitate an understanding of the present invention, the present invention will be described more fully and in detail with reference to the preferred embodiments, but the scope of the present invention is not limited to the specific embodiments described below.
It should be particularly noted that when an element is referred to as being "fixed to, connected to or communicated with" another element, it can be directly fixed to, connected to or communicated with the other element or indirectly fixed to, connected to or communicated with the other element through other intermediate connecting components.
Unless otherwise defined, all terms of art used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present invention.
Examples
Referring to fig. 1 to 5;
the embodiment provides a novel lamp bead, which comprises a bracket 1, wherein the bracket 1 is an SMC bracket and is made of a thermosetting silica gel composite material;
the holder 1 comprises a substrate 2; the substrate 2 is provided with an insulating piece 3, the insulating piece 3 divides the substrate 2 into a positive plate and a negative plate, the insulating piece 3 is made of an insulating porcelain body or an insulating silica gel body, the insulating piece 3 divides the substrate 2 into the positive plate and the negative plate which are not electrified with each other, and the insulating piece 3 is equally divided into the substrate 2, so that the areas of the positive plate and the negative plate are the same; the positive plate and the negative plate are respectively provided with a light-emitting chip 4, the light-emitting chips on the positive plate are respectively connected with the positive plate and the negative plate through leads, and the light-emitting chips on the negative plate are respectively connected with the positive plate and the negative plate through leads;
the side edges of the substrate 2 are provided with reflectors 5 in an upward extending manner, the reflectors 5 are made of insulating materials in the prior art, such as insulating porcelain, the substrate 2 and the reflectors 5 enclose the support 1, so that the support 1 is in a reflective cup structure, and the top of the support 1 is provided with a light outlet;
the support is internally provided with a diffusion colloid, the diffusion colloid comprises diffusion powder which is uniformly distributed in the diffusion colloid, and the diffusion colloid comprises fluorescent powder which is distributed at the lower part in the diffusion colloid. Referring to fig. 3, in the embodiment, the light of the light emitting chip 4 is further scattered in the colloid layer penetrating through the diffusion colloid, so that the light of the light emitting chip 4 is better emitted and scattered, thereby improving the non-concentration of the light emission of the LED, and improving the quality picture of the LED bead of the SMC bracket in the application of the backlight module.
In this embodiment, the diffusion colloid still includes glue, the diffusion colloid passes through diffusion powder, phosphor powder and glue are made, form the colloid layer through the diffusion colloid in support 1 and spread luminous chip 4 for novel lamp pearl is luminous more concentrated, and the light-emitting of the luminous chip 4 of this embodiment is the blue light, consequently, subsides in the diffusion colloid in the lower part and is equipped with phosphor powder, makes the lamp pearl send out white light.
Preferably, in this embodiment, the wire is a gold wire.
In one preferred embodiment of the present invention, the light emitting chip 4 is fixedly disposed on the substrate 2 through a die attach adhesive 8.
This embodiment still provides a novel lamp strip, including above-mentioned novel lamp pearl, the interval is equipped with on the lamp strip the lamp pearl, novel lamp pearl upper cover is equipped with lens 9.
This embodiment still provides a backlight unit, including above-mentioned novel lamp strip, still include dorsal scale 10, be equipped with on the 10 front sides of dorsal scale the lamp strip, 10 front sides upper cover of dorsal scale is equipped with reflector panel 11, be equipped with on the reflector panel 11 with the through-hole 12 that the lamp pearl matches on the lamp strip, the lamp pearl runs through-hole 12.
In one preferred embodiment, a diffusion plate 13 is disposed on the front upper cover of the light reflection plate 11.
In the backlight module of this embodiment, the front side of the light reflection plate 11 is provided with the top pillar 14, and the top pillar 14 is used for supporting the diffusion plate 13.
Compared with the prior art, the embodiment has the advantages that: the lamp strip and the backlight module are provided with the novel lamp beads, the light emitting effect of the lamp strip and the backlight module is better through the novel lamp beads, and the taste picture of the novel backlight module in application is improved.
Claims (10)
1. A novel lamp bead comprises a bracket, wherein the bracket comprises a substrate; the method is characterized in that: the substrate is provided with an insulating piece, the insulating piece divides the substrate into a positive plate and a negative plate, light-emitting chips are arranged on the positive plate and the negative plate, the light-emitting chips on the positive plate are respectively connected with the positive plate and the negative plate through leads, and the light-emitting chips on the negative plate are respectively connected with the positive plate and the negative plate through leads;
the side edges of the substrate extend upwards to form reflecting bodies, the substrate and the reflecting bodies are enclosed to form the support, and the top of the support is provided with a light outlet; the support is internally provided with a diffusion colloid, the diffusion colloid comprises diffusion powder which is uniformly distributed in the diffusion colloid, and the diffusion colloid comprises fluorescent powder which is distributed at the lower part in the diffusion colloid.
2. The novel lamp bead of claim 1, characterized in that: the insulating member equally divides the substrate.
3. The novel lamp bead of claim 1, characterized in that: the diffusion colloid further comprises glue, and the diffusion colloid is made of the diffusion powder, the fluorescent powder and the glue.
4. The novel lamp bead of claim 1, characterized in that: the support is in the shape of a reflective cup.
5. The novel lamp bead of claim 1, characterized in that: the wires are all gold wires.
6. The novel lamp bead of claim 1, characterized in that: the light-emitting chip is fixedly arranged on the substrate through the die bond adhesive.
7. The utility model provides a novel lamp strip, its characterized in that: the novel lamp bead comprises the novel lamp bead as claimed in any one of claims 1 to 6, wherein the lamp bead is arranged on the lamp strip at intervals, and a lens is arranged on the novel lamp bead in a covering manner.
8. A backlight module is characterized in that: the novel lamp strip of claim 7, further comprising a back shell, wherein the lamp strip is arranged on the front side of the back shell, a reflector is arranged on the upper cover on the front side of the back shell, a through hole matched with a lamp bead on the lamp strip is formed in the reflector, and the lamp bead penetrates through the through hole.
9. A backlight module according to claim 8, wherein: and a diffusion plate is arranged on the upper cover on the front side of the light reflecting plate.
10. A backlight module according to claim 9, wherein: and the front side of the reflector is provided with a top column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010232614.8A CN111336413A (en) | 2020-03-28 | 2020-03-28 | Novel lamp pearl and have lamp strip and backlight unit of novel lamp pearl |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010232614.8A CN111336413A (en) | 2020-03-28 | 2020-03-28 | Novel lamp pearl and have lamp strip and backlight unit of novel lamp pearl |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111336413A true CN111336413A (en) | 2020-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010232614.8A Pending CN111336413A (en) | 2020-03-28 | 2020-03-28 | Novel lamp pearl and have lamp strip and backlight unit of novel lamp pearl |
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|---|---|
| CN (1) | CN111336413A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115728992A (en) * | 2022-11-24 | 2023-03-03 | 深圳创维－Rgb电子有限公司 | Backlight module and display device |
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| CN205428917U (en) * | 2015-12-22 | 2016-08-03 | 深圳市聚飞光电股份有限公司 | LED PACKER MODULE and have this LED PACKER MODULE's straight following formula LED lamp strip |
| CN207718119U (en) * | 2018-01-24 | 2018-08-10 | 广州市鸿利智显科技有限公司 | A kind of quantum dot lens, lamp bar and backlight module |
| CN108954201A (en) * | 2018-09-12 | 2018-12-07 | Tcl华瑞照明科技（惠州）有限公司 | LED lamp bead and LED illumination lamp |
| CN208521956U (en) * | 2018-07-16 | 2019-02-19 | 安徽芯瑞达科技股份有限公司 | A kind of moisture-proof LED lamp bead |
| CN208538903U (en) * | 2018-05-15 | 2019-02-22 | 江西鸿利光电有限公司 | A kind of encapsulating structure of high-luminous-efficiency LED wafer |
| CN110471221A (en) * | 2019-08-14 | 2019-11-19 | 安徽芯瑞达科技股份有限公司 | A kind of high colour gamut down straight aphototropism mode set of uniform mixed light |
-
2020
- 2020-03-28 CN CN202010232614.8A patent/CN111336413A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205428917U (en) * | 2015-12-22 | 2016-08-03 | 深圳市聚飞光电股份有限公司 | LED PACKER MODULE and have this LED PACKER MODULE's straight following formula LED lamp strip |
| CN207718119U (en) * | 2018-01-24 | 2018-08-10 | 广州市鸿利智显科技有限公司 | A kind of quantum dot lens, lamp bar and backlight module |
| CN208538903U (en) * | 2018-05-15 | 2019-02-22 | 江西鸿利光电有限公司 | A kind of encapsulating structure of high-luminous-efficiency LED wafer |
| CN208521956U (en) * | 2018-07-16 | 2019-02-19 | 安徽芯瑞达科技股份有限公司 | A kind of moisture-proof LED lamp bead |
| CN108954201A (en) * | 2018-09-12 | 2018-12-07 | Tcl华瑞照明科技（惠州）有限公司 | LED lamp bead and LED illumination lamp |
| CN110471221A (en) * | 2019-08-14 | 2019-11-19 | 安徽芯瑞达科技股份有限公司 | A kind of high colour gamut down straight aphototropism mode set of uniform mixed light |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115728992A (en) * | 2022-11-24 | 2023-03-03 | 深圳创维－Rgb电子有限公司 | Backlight module and display device |
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Application publication date: 20200626 |