CN103531694B - Down straight aphototropism mode set back light and light source light mixing method - Google Patents
Down straight aphototropism mode set back light and light source light mixing method Download PDFInfo
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- CN103531694B CN103531694B CN201310500853.7A CN201310500853A CN103531694B CN 103531694 B CN103531694 B CN 103531694B CN 201310500853 A CN201310500853 A CN 201310500853A CN 103531694 B CN103531694 B CN 103531694B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/50—Wavelength conversion elements
- H01L33/501—Wavelength conversion elements characterised by the materials, e.g. binder
- H01L33/502—Wavelength conversion materials
- H01L33/504—Elements with two or more wavelength conversion materials
Abstract
The invention discloses a kind of down straight aphototropism mode set back light and light source light mixing method, comprise blue-light LED chip, PCB lamp board, lens cap; Described blue-light LED chip is arranged in PCB lamp board, and described lens cap is encapsulated on described blue-light LED chip; Fluorescent material is mixed with in described lens cap.Does the present invention adopt the LENS being mixed with fluorescent material? does CAP (lens case) coordinate light mixing way with blue-light LED chip, at LENS? mixed light is carried out, synthesize white light, for backlight module provides light source in CAP; When dialogue photochromism adjusts, only need the mixed proportion adjusting different fluorescent material, change LENS? CAP reaches the object of adjustment colourity; There is adjustment colourity simple, save blue-light LED chip.
Description
Technical field
The present invention relates to a kind of backlight module back light, be specifically related to a kind of down straight aphototropism mode set back light and light source light mixing method.
Background technology
The backlight module of oversize, side-light type structure cannot take advantage in weight, consumption electric power and brightness, and the full run-down type structure immediately below not therefore being positioned over containing light guide plate and light source is just developed.Light source is penetrated by after baffle reflection by spontaneous light source (such as fluorescent tube, light-emittingdiode etc.), upwards penetrate in front after diffuser plate is dispersed, because accommodation space becomes large, fluorescent tube can according to TFT panel size use 2 tubes at the most, but too increase the thickness of module simultaneously, weight, power consumption, its advantage be high briliancy, good bright dipping visual angle, light utilization ratio are high, simple structure etc., thus be applicable to portability and the more not fastidious LCD display of space requirement and LCD TV, its high consumption electric power (use cold-cathode tube).The abbreviation of LCD(LiquidCrystalDisplay) liquid crystal display.The structure of LCD places liquid crystal cell in the middle of the glass substrate that two panels is parallel, lower baseplate glass is arranged TFT(thin-film transistor), upper substrate glass arranges colored filter, change by the signal on TFT and voltage the rotation direction controlling liquid crystal molecule, thus reach and control each pixel polarised light outgoing and whether reach display object.Fluorescent material, is also referred to as luminescent powder, is a kind of material causing luminescence under ultraviolet, visible radiation and electric field action.20 beginning of the century people find fluorescent material in research electric discharge phenomena process, have multiple color, are mainly used in weak illumination light source and luminescent material.Existing back light adopts LED fluorescent powder encapsulation, and light-emitting diode is referred to as LED.Due to the unsteadiness of encapsulation, after having encapsulated, cannot regulate colourity, easily cause LED chip to scrap.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, a kind of down straight aphototropism mode set back light and light source light mixing method are provided, LED fluorescent powder encapsulation is adopted to back light in prior art to be solved, due to the unsteadiness of encapsulation, after having encapsulated, cannot regulate colourity, easily cause LED chip to scrap; When carrying out colourity adjustment to light source, need to change LED blue chip to cause the problems such as waste.
For solving above-mentioned technical problem, the present invention by the following technical solutions:
A kind of down straight aphototropism mode set back light, comprises blue-light LED chip, PCB lamp board, lens cap; Described blue-light LED chip is arranged in PCB lamp board, and described lens cap is encapsulated on described blue-light LED chip; Fluorescent material is mixed with in described lens cap.
Further technical scheme is that fluorescent material comprises: send the fluorescent material of gold-tinted, send the fluorescent material of ruddiness.
Further technical scheme is that fluorescent material comprises yellow fluorescent powder.
Further technical scheme be fluorescent material also comprise in green emitting phosphor and red fluorescence powder one or both.
Further technical scheme is the light source light mixing method of down straight aphototropism mode set back light, comprises the following steps:
Blue-light LED chip is arranged in PCB lamp board;
Be mixed with yellow fluorescent powder by lens cap, and be encapsulated on blue-light LED chip;
In lens cap, add red fluorescence powder or add green emitting phosphor and red fluorescence powder simultaneously;
When regulating Illuminant chromaticity, in adjustment lens case, the ratio of yellow fluorescent powder, red fluorescence powder, green emitting phosphor, is encapsulated in the lens case regulating fluorescent material ratio on blue-light LED chip.
Compared with prior art, the invention has the beneficial effects as follows: the present invention adopts the LENSCAP (lens case) being mixed with fluorescent material to coordinate light mixing way with blue-light LED chip, carries out mixed light, synthesize white light, for backlight module provides light source in LENSCAP; When dialogue photochromism adjusts, only need the mixed proportion adjusting different fluorescent material, change the object that LENSCAP reaches adjustment colourity; There is adjustment colourity simple, save blue-light LED chip.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further elaborated.
As shown in Figure 1, Fig. 1 shows the structural representation of one embodiment of the invention.The present embodiment down straight aphototropism mode set back light, comprises blue-light LED chip 2, PCB lamp board 1, lens cap 3; Blue-light LED chip 2 is arranged in PCB lamp board 1, and lens cap 3 is encapsulated on blue-light LED chip 2; Preferred embodiment is, is mixed with fluorescent material in the present embodiment in lens cap 3.The present embodiment adopts blue-ray LED particle to be the lens cap encapsulated by optical cement with the LENSCAP(LENSCAP being mixed with fluorescent material) match, realize the white light source of mixed light as backlight; Can ensure the photochromic uniformity of LED under the prerequisite reduced costs, save blue-light LED chip resource, colourity regulates easy, safe and reliable.
As preferred embodiment, the present embodiment adopts blue-light LED chip as light emitting host, fluorescent material is mixed with in LESCAP, while LESCAP divergent light source, blue-light excited yellow fluorescent powder sends green-yellow light, blue light and green-yellow light synthesize white light, for a change color developing, the present embodiment also can add a small amount of red fluorescence powder or add appropriate green, red fluorescence powder simultaneously in lens case.
The light source light mixing method of down straight aphototropism mode set back light according to another embodiment of the invention, comprises the following steps: be arranged on by blue-light LED chip in PCB lamp board; Be mixed with yellow fluorescent powder by lens cap, and be encapsulated on blue-light LED chip; In lens cap, add red fluorescence powder or add green emitting phosphor and red fluorescence powder simultaneously; When regulating Illuminant chromaticity, in adjustment lens case, the ratio of yellow fluorescent powder, red fluorescence powder, green emitting phosphor, is encapsulated in the lens case regulating fluorescent material ratio on blue-light LED chip.Fluorescent material is mixed with in LESCAP, when needing to carry out colourity adjustment to light source, the ratio of yellow fluorescent powder and green emitting phosphor or red fluorescence powder in adjustment LESCAP, replace original LESCAP, do not need to change LED blue chip, LED chip resource can be saved greatly, and then play cost-saving object.
Spoken of in this manual " embodiment ", " another embodiment ", " embodiment ", etc., refer to the specific features, structure or the feature that describe in conjunction with this embodiment and be included at least one embodiment of the application's generality description.Multiple place occurs that statement of the same race is not necessarily refer to same embodiment in the description.Furthermore, when describing specific features, structure or a feature in conjunction with any one embodiment, what advocate is also fall within the scope of the invention to realize this feature, structure or feature in conjunction with other embodiments.
Although with reference to the multiple explanatory embodiment of inventing, invention has been described here, but, should be appreciated that, those skilled in the art can design a lot of other amendment and execution mode, these amendments and execution mode will drop within spirit disclosed in the present application and spirit.More particularly, in the scope of the open claim of the application, multiple modification and improvement can be carried out to the building block of subject combination layout and/or layout.Except the modification of carrying out building block and/or layout is with except improvement, to those skilled in the art, other purposes also will be obvious.
Claims (2)
1. a light source light mixing method for down straight aphototropism mode set back light, is characterized in that described light source light mixing method comprises the following steps:
Blue-light LED chip is arranged in PCB lamp board;
Be mixed with yellow fluorescent powder by lens cap, and be encapsulated on blue-light LED chip;
In lens cap, add red fluorescence powder or add green emitting phosphor and red fluorescence powder simultaneously;
When regulating Illuminant chromaticity, in adjustment lens case, the ratio of yellow fluorescent powder, red fluorescence powder, green emitting phosphor, is encapsulated in the lens case regulating fluorescent material ratio on blue-light LED chip.
2. the light source light mixing method of down straight aphototropism mode set back light according to claim 1, is characterized in that described down straight aphototropism mode set back light comprises blue-light LED chip, PCB lamp board, lens cap; Described blue-light LED chip is arranged in PCB lamp board, and described lens cap is encapsulated on described blue-light LED chip; Fluorescent material is mixed with in described lens cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310500853.7A CN103531694B (en) | 2013-10-22 | 2013-10-22 | Down straight aphototropism mode set back light and light source light mixing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310500853.7A CN103531694B (en) | 2013-10-22 | 2013-10-22 | Down straight aphototropism mode set back light and light source light mixing method |
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| Publication Number | Publication Date |
|---|---|
| CN103531694A CN103531694A (en) | 2014-01-22 |
| CN103531694B true CN103531694B (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310500853.7A Active CN103531694B (en) | 2013-10-22 | 2013-10-22 | Down straight aphototropism mode set back light and light source light mixing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111240087A (en) * | 2018-11-28 | 2020-06-05 | 深圳Tcl新技术有限公司 | Backlight module light source component |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007080872A (en) * | 2005-09-09 | 2007-03-29 | Matsushita Electric Works Ltd | Light emitting device |
| CN202817024U (en) * | 2012-09-06 | 2013-03-20 | 深圳市灏天光电有限公司 | LED packaging structure using double-layer lens |
| CN103090319A (en) * | 2012-12-20 | 2013-05-08 | 康佳集团股份有限公司 | Lamp bar of liquid crystal display (LCD) television and directly-down type backlight module |
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2013
- 2013-10-22 CN CN201310500853.7A patent/CN103531694B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007080872A (en) * | 2005-09-09 | 2007-03-29 | Matsushita Electric Works Ltd | Light emitting device |
| CN202817024U (en) * | 2012-09-06 | 2013-03-20 | 深圳市灏天光电有限公司 | LED packaging structure using double-layer lens |
| CN103090319A (en) * | 2012-12-20 | 2013-05-08 | 康佳集团股份有限公司 | Lamp bar of liquid crystal display (LCD) television and directly-down type backlight module |
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| CN103531694A (en) | 2014-01-22 |
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Effective date of registration: 20190611 Address after: 621000, No. 35 Mian Xing Dong Road, hi tech Zone, Sichuan, Mianyang Patentee after: Sichuan Changhong Electrical Appliance Co., Ltd. Address before: 621000 Mianyang High-tech Zone, Sichuan Province Patentee before: Long wisdom photoelectric (Sichuan) Co., Ltd. |
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