CN205960025U - Get rid of LED and LED lighting device of harmful blue light - Google Patents
Get rid of LED and LED lighting device of harmful blue light Download PDFInfo
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- CN205960025U CN205960025U CN201620975528.5U CN201620975528U CN205960025U CN 205960025 U CN205960025 U CN 205960025U CN 201620975528 U CN201620975528 U CN 201620975528U CN 205960025 U CN205960025 U CN 205960025U
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- blue light
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Abstract
The utility model discloses a get rid of LED and LED lighting device of harmful blue light. LED lighting device's first party case includes low color temperature white -LEDs (8), gets rid of the LED (four to six -tenehs) of harmful blue light, and the two luminous white light that forms the colour temperature and be 3000~5000K that mixes, the LED (four to six -tenehs) of getting rid of harmful blue light are including blue LED unpacked chip (1), lenses (5), and high -pass filter (2) that are used for the following shortwave blue light of filtering 460nm are fixed in the laminating on the inside wall of lenses (5) or the lateral wall. LED lighting device's second scheme includes blue light LED unpacked chip (1), lens (5) including the LED who gets rid of harmful blue light, the LED that should get rid of harmful blue light, in the peripheral yellow fluorescent powder (3) that covers of blue light LED unpacked chip (1) in lens (5), makes the LED who gets rid of harmful blue light send the white light, fixed high -pass filter (2) that are used for the following shortwave blue light of filtering 460nm of laminating on the inside wall of lens (5) or the lateral wall. The utility model discloses but wide application in the LED field of throwing light on.
Description
Technical field
The utility model is related to remove the LED of harmful blue light；In addition, the utility model further relates to LED light device.
Background technology
At present, light emitting diode (i.e. LED) is used for illuminating modal mode is to be swashed using the blue light that blue chip sends
The powder that fluoresces sends gold-tinted and becomes white light with the remaining blue light of chip again.Such luminous mechanism has light efficiency height and environmental protection etc.
Many advantages, but because blue light ratio compared with conventional light source height also under cover safety issue lead to blue light harm.Correlative study shows,
The blue light of different wave length is different for the occurrence situation of human eye, especially the shortwave between 435 nanometers to 440 nanometers of wavelength
Blue light is maximum to the occurrence situation of eyes, and this effect with the increase of wavelength or is successively decreased and is gradually reduced.
In addition, in the case of high correlated colour temperature (rich blue light), to human eye most probable in high brightness and long-time use environment
Harm can be produced；Low related color temperature white light LEDs (<Although 2700K) blue light quantity of radiation is very low, blue light harm very little,
Correlated colour temperature and colour rendering index too low be unfavorable for read.
Utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, provides a kind of removal harmful blue light
LED.
In addition, the utility model also provides a kind of LED light device with the described LED removing harmful blue light.
Of the present utility model remove harmful blue light the first technical scheme of being adopted of LED be：Of the present utility model go
Except the LED of harmful blue light includes blue-ray LED bare chip, lens, described lens are by described blue-ray LED bare chip ladle cover in interior, institute
State laminating on the madial wall of lens or lateral wall to be fixed for filtering the high-pass filter of below 460nm shortwave blue light.
Of the present utility model remove harmful blue light the second technical scheme that adopted of LED be：Of the present utility model go
Except the LED of harmful blue light includes blue-ray LED bare chip, lens, described lens are by described blue-ray LED bare chip ladle cover in interior, institute
State the periphery in described blue-ray LED bare chip in lens and cover yellow fluorescent powder, so that the described LED removing harmful blue light sends
White light, laminating on the madial wall of described lens or lateral wall is fixed for filtering the high-pass filter of below 460nm shortwave blue light.
Described remove harmful blue light LED be high color temperature white light LEDs, the colour temperature of the LED of described removal harmful blue light >=
5000K.
The LED of described removal harmful blue light is the white light LEDs of high color rendering index (CRI), and the LED's of described removal harmful blue light is aobvious
Colour index >=90.
The first technical scheme that LED light device of the present utility model is adopted is：LED illumination dress of the present utility model
Put the LED including at least one removal harmful blue light, the LED of described removal harmful blue light includes blue-ray LED bare chip, lens,
Described blue-ray LED bare chip ladle cover in interior, is covered Huang in the peripheral of described blue-ray LED bare chip in described lens by described lens
Color fluorescent material, so that the described LED removing harmful blue light sends white light, laminating on the madial wall of described lens or lateral wall is fixed
For filtering the high-pass filter of below 460nm shortwave blue light, it is 3000～5000K's that described LED light device sends colour temperature
White light.
Described remove harmful blue light LED be high color temperature white light LEDs, the colour temperature of the LED of described removal harmful blue light >=
5000K.
The LED of described removal harmful blue light is the white light LEDs of high color rendering index (CRI), and the LED's of described removal harmful blue light is aobvious
Colour index >=90.
The second technical scheme that LED light device of the present utility model is adopted is：LED illumination dress of the present utility model
Put at least one low color temperature white light LED, and at least one removes the LED of harmful blue light, the LED bag of described removal harmful blue light
Include blue-ray LED bare chip, lens, described lens are by described blue-ray LED bare chip ladle cover in interior, the madial wall of described lens or outer
On the wall of side, laminating is fixed for filtering the high-pass filter of below 460nm shortwave blue light, and described low color temperature white light LED is gone with described
After the light mixing sending except the LED of harmful blue light, form the white light that colour temperature is 3000～5000K.
Colour temperature≤the 2700K of described low color temperature white light LED.
Described low color temperature white light LED is the white light LEDs of high color rendering index (CRI), the colour rendering index of described low color temperature white light LED >=
90.
Multiple described low color temperature white light LEDs are cascaded formation the first current channel on circuit boards, multiple described go
Except the LED of harmful blue light is cascaded formation the second current channel on circuit boards, described first current channel and described the
Two current channels are each independently-powered.
Described low color temperature white light LED is linear in proportion on circuit boards with the described LED removing harmful blue light or matrix
Or annular array laying.
The beneficial effects of the utility model are：The utility model passes through to encapsulate in LED to be set up for filtering 460nm on chip
The high-pass filter of following shortwave blue light, effectively reduces the blue ray radiation dosage of low wavelength, reduces potential blue light harm, is suitable for
As the light source part of the eye-protecting lamp of no blue light harm, it is more suitable for writing, reads occasion use, therefore the utility model can be effective
Remove harmful blue light.
Brief description
Fig. 1 is the structural representation of the LED of removal harmful blue light of the utility model embodiment one；
Fig. 2 is the structural representation of the LED of removal harmful blue light of the utility model embodiment two；
Fig. 3 is the structural representation of the LED light device of the utility model embodiment three；
Fig. 4 is the structural representation of the LED light device of the utility model example IV；
Fig. 5 is that the LED of the removal harmful blue light of the utility model embodiment two uses the contrast light before and after high-pass filter
Spectrogram；
Fig. 6 is the transmittance function curve map of the high-pass filter that the utility model embodiment one to five is adopted；
Fig. 7 is the synthetic spectrum figure of the LED light device of the utility model embodiment three.
Specific embodiment
Embodiment one：
As shown in Fig. 1, Fig. 6, the LED of the removal harmful blue light of the present embodiment is a kind of blue-ray LED, naked including blue-ray LED
Chip 1, lens 5, described lens 5 are by described blue-ray LED bare chip 1 ladle cover in interior, laminating fixation on the madial wall of described lens 5
For filtering the high-pass filter 2 of below 460nm shortwave blue light, the present embodiment be one kind eliminate below 460nm shortwave be harmful to
The blue-ray LED of blue light.Knowable to the transmittance function curve map of the high-pass filter of Fig. 6, the utility model is short by below 460nm
The rejection rate of ripple harmful blue light is very high.
Embodiment two：
As shown in Fig. 2, Fig. 5, Fig. 6, the LED of the removal harmful blue light of the present embodiment is a kind of synthesis white light LEDs, including blue
Light LED bare chip 1, lens 5, described lens 5 by described blue-ray LED bare chip 1 ladle cover in interior, in described indigo plant in described lens 5
The periphery of light LED bare chip 1 covers yellow fluorescent powder 3, so that the described LED removing harmful blue light sends white light, described lens 5
Lateral wall on laminating be fixed for filtering the high-pass filter 2 of below 460nm shortwave blue light, the removal of the present embodiment is harmful to indigo plant
The LED of light is a kind of white light LEDs of high color temperature, its colour temperature >=5000K, and the LED of the removal harmful blue light of the present embodiment is high aobvious
The white light LEDs of colour index, its colour rendering index >=90, the present embodiment is a kind of to eliminate the white of below 460nm shortwave harmful blue light
Light LED.The present embodiment is on the basis of existing white light LEDs, increased described high-pass filter 2, from the contrast spectrum of Fig. 5
Figure understands, the present embodiment, after using described high-pass filter 2, the shortwave harmful blue light overwhelming majority of 430nm～460nm is given
To filter.The shortwave harmful blue light overwhelming majority is filtered by the LED due to the present embodiment, and the therefore harm to human eye is dropped significantly
Low, correlated colour temperature and colour rendering index are higher simultaneously, and the light source that the LED of therefore the present embodiment is particularly suitable as illuminating is used.
Embodiment three：
As shown in Fig. 1, Fig. 3, Fig. 6, Fig. 7, the present embodiment is a kind of LED light device, including six low color temperature white lights
LED6, the colour temperature≤2700K of described low color temperature white light LED 8 of the removal harmful blue light in LED8, and six embodiments one,
Described low color temperature white light LED 8 is the white light LEDs of high color rendering index (CRI), its colour rendering index >=90, described low color temperature white light LED 8 and institute
State remove harmful blue light LED6 send light mixing after, form the white light that colour temperature is 3000～5000K, multiple described low colour temperatures
White light LEDs 8 are cascaded on circuit boards and form the first current channel, and multiple described LED6 removing harmful blue light are in circuit
Be cascaded on plate formation the second current channel, and described first current channel is each independently supplied with described second current channel
Electricity, described low color temperature white light LED 8 presses 1 on circuit boards with the described LED6 removing harmful blue light：1 quantitative proportion is linear
Array is laid naturally it is also possible to lay in matrix array, the circuit board of the present embodiment is adapted to therewith in strip, is adapted as electricity
The light source part of lamp uses.Knowable to the synthetic spectrum figure of Fig. 7, the present embodiment, will after using described high-pass filter 2
The shortwave harmful blue light overwhelming majority of 430nm～460nm is filtered.Shortwave is had by the LED light device due to the present embodiment
The evil blue light overwhelming majority is filtered, and the therefore harm to human eye substantially reduces, and correlated colour temperature and colour rendering index are higher simultaneously, light
Spectrum more preferably, had both eliminated harmful blue light, protection force, had had suitable colour temperature and higher colour rendering index, for reading lamp again
As especially suitable in desk lamp, eye-protecting lamp.
Example IV：
As shown in Fig. 1, Fig. 4, Fig. 7, the present embodiment is a kind of LED light device, and it is existed with the distinguishing characteristics of embodiment three
In：In the present embodiment, including the LED6 of the removal harmful blue light in ten low color temperature white light LEDs 8, and five embodiments one,
Described low color temperature white light LED 8 presses 2 on circuit boards with the described LED6 removing harmful blue light：1 quantitative proportion circular array
Lay, the circuit board of the present embodiment is adapted to rounded therewith, is suitable for using as light source part in LED bulb.
Remaining feature of the present embodiment is with embodiment three.
Embodiment five：
As shown in Fig. 2, Fig. 5, Fig. 6, the present embodiment is a kind of LED light device, including at least one embodiment two
Remove the LED of harmful blue light, described LED light device sends the white light that colour temperature is 3000～5000K.The present embodiment is using enforcement
One or more of example two LED is as light source, simple and practical, has both eliminated harmful blue light, protection force, to have suitable again
Colour temperature and higher colour rendering index, especially suitable for reading lamp such as desk lamp.
The utility model not only effectively reduces the blue ray radiation dosage of low wavelength, reduces potential blue light harm, and will
Guarantee colour rendering index and light efficiency, be suitable as the light source part of the no eye-protecting lamp of blue light harm, simultaneously photochromic, light efficiency meets illumination
The standard of light source and needs, are more suitable for writing, read occasion and use, that is, the utility model taken into account simultaneously correlated colour temperature >=
3000K and high color rendering index (CRI) Ra >=90, and remove short wavelength's blue light of 435nm～440nm.
The utility model can be widely applied to field of LED illumination.
Claims (10)
1. a kind of remove harmful blue light LED it is characterised in that：Including blue-ray LED bare chip (1), lens (5), described lens
(5) by described blue-ray LED bare chip (1) ladle cover in interior, the madial wall of described lens (5) or lateral wall are fitted and is fixed for filtering
High-pass filter (2) except below 460nm shortwave blue light.
2. a kind of remove harmful blue light LED it is characterised in that：Including blue-ray LED bare chip (1), lens (5), described lens
(5) by described blue-ray LED bare chip (1) ladle cover in interior, in described lens (5), the periphery in described blue-ray LED bare chip (1) is covered
Lid yellow fluorescent powder (3), so that the described LED removing harmful blue light sends white light, the madial wall of described lens (5) or lateral wall
Upper laminating is fixed for filtering the high-pass filter (2) of below 460nm shortwave blue light.
3. according to claim 2 remove harmful blue light LED it is characterised in that：Described remove harmful blue light LED be
The white light LEDs of high color temperature, the colour temperature >=5000K of the LED of described removal harmful blue light.
4. according to claim 3 remove harmful blue light LED it is characterised in that：Described remove harmful blue light LED be
The white light LEDs of high color rendering index (CRI), colour rendering index >=90 of the LED of described removal harmful blue light.
5. a kind of LED light device it is characterised in that：Have including the removal described at least one claim 2～4 any one
The LED of evil blue light, described LED light device sends the white light that colour temperature is 3000～5000K.
6. a kind of LED light device it is characterised in that：Including at least one low color temperature white light LED (8), and at least one power
Profit requires the LED (6) of the removal harmful blue light described in 1, described low color temperature white light LED (8) and the described LED removing harmful blue light
(6), after the light mixing sending, form the white light that colour temperature is 3000～5000K.
7. LED light device according to claim 6 it is characterised in that：The colour temperature of described low color temperature white light LED (8)≤
2700K.
8. LED light device according to claim 6 it is characterised in that：Described low color temperature white light LED (8) is high colour developing
The white light LEDs of index, colour rendering index >=90 of described low color temperature white light LED (8).
9. LED light device according to claim 6 it is characterised in that：Multiple described low color temperature white light LEDs (8) are in electricity
Be cascaded on the plate of road formation the first current channel, and multiple described LED (6) removing harmful blue light are connected on circuit boards
Form the second current channel together, described first current channel is each independently-powered with described second current channel.
10. LED light device according to claim 6 it is characterised in that：Described low color temperature white light LED (8) is gone with described
Except the LED (6) of harmful blue light is linear in proportion on circuit boards or matrix or annular array laying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620975528.5U CN205960025U (en) | 2016-08-29 | 2016-08-29 | Get rid of LED and LED lighting device of harmful blue light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620975528.5U CN205960025U (en) | 2016-08-29 | 2016-08-29 | Get rid of LED and LED lighting device of harmful blue light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205960025U true CN205960025U (en) | 2017-02-15 |
Family
ID=57980521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620975528.5U Expired - Fee Related CN205960025U (en) | 2016-08-29 | 2016-08-29 | Get rid of LED and LED lighting device of harmful blue light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205960025U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106206909A (en) * | 2016-08-29 | 2016-12-07 | 深圳市兴灯业电子有限公司 | Remove LED and the LED light device of harmful blue light |
-
2016
- 2016-08-29 CN CN201620975528.5U patent/CN205960025U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106206909A (en) * | 2016-08-29 | 2016-12-07 | 深圳市兴灯业电子有限公司 | Remove LED and the LED light device of harmful blue light |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170215 Termination date: 20190829 |
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| CF01 | Termination of patent right due to non-payment of annual fee |