[go: up one dir, main page]

CN201526923U - Structure for improving lighting color rendering of LED lamp - Google Patents

Structure for improving lighting color rendering of LED lamp Download PDF

Info

Publication number
CN201526923U
CN201526923U CN2009203112249U CN200920311224U CN201526923U CN 201526923 U CN201526923 U CN 201526923U CN 2009203112249 U CN2009203112249 U CN 2009203112249U CN 200920311224 U CN200920311224 U CN 200920311224U CN 201526923 U CN201526923 U CN 201526923U
Authority
CN
China
Prior art keywords
color rendering
circuit board
printed circuit
led
led lighting
Prior art date
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.)
Expired - Fee Related
Application number
CN2009203112249U
Other languages
Chinese (zh)
Inventor
沈李豪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN2009203112249U priority Critical patent/CN201526923U/en
Application granted granted Critical
Publication of CN201526923U publication Critical patent/CN201526923U/en
Priority to PCT/CN2010/076222 priority patent/WO2011035668A1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • 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
    • F21V3/00—Globes; Bowls; Cover glasses
    • 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
    • F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • F21K9/232—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
    • 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
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/08—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing coloured light, e.g. monochromatic; for reducing intensity of light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Led Device Packages (AREA)

Abstract

A structure for improving the illumination color rendering of an LED lamp relates to the field of LED illumination lamps. The LED chip is assembled on the printed circuit board and is electrically connected with the printed circuit board; the printed circuit board is covered with a reflecting layer which can improve the color rendering of the LED illumination, or/and the printed circuit board is provided with a filter layer which reflects or filters the light source to improve the color rendering of the LED illumination. The material of the reflecting layer can be ink, resin, rubber or the like, and the color of the reflecting layer can be red, yellow, green or the like; the filter layer is a material capable of filtering light, such as glass, acryl, etc., and the color thereof may be red, yellow, green, etc. The beneficial effects are that: the effect of improving the color rendering of the LED illumination is good; the color rendering of the LED illumination is improved, and meanwhile, the lumen is not reduced; can be used in any LED lighting fixture.

Description

A kind of structure that improves LED lamp illumination color rendering
Technical field
The utility model relates to the LED field of illuminating lamps, particularly comes the reflection Red light source according to red material and improve the structure of LED illumination color rendering in the LED light fixture about a kind of.
Background technology
So-called color rendering (CRI) is meant after the light source irradiation photographed object, makes the ability of the correct perception photographed object of human eye color.Color rendering can be used " general color rendering index " (general color rendering index, Ra) represent, this kind method for expressing is as reference light source (Ra=100) with sunshine, and the difference between quantification light source more to be measured and reference light source, the more little person of difference, the Ra value is high more, that is to say that color that photographed object presents is more near natural reality.From consumer's angle, be in the high light source of color rendering, need the color of institute's perception comparatively natural, so the high color rendering light structures have the high market demand.Light emitting diode (LED) is a kind of semiconductor subassembly, at the beginning indicator lamp, display boards etc. of being used as more; Along with the appearance of white light LEDs, also be used as illumination; Since its have efficient height, life-span long, can recycling, well conventional light source such as the cracky advantage that can't compare with it not of anti-seismic performance, and be extensive use of by multi-field.Tradition LED light fixture (as shown in Figure 1), light source employing blue-light LED chip 70 adds 80 pairs of sharp looks of yellow fluorescent powder and becomes white light 90, its color rendering is generally not high, especially lack red, green light in the white light, the more difficult raising of its color rendering when hanging down colour temperature, in LED makes, often be trapped in order to improve CRI and but reduced in the facing a difficult choice of lumen.Color rendering (color rendering) is one of key property of lighting apparatus, and in the commercial market, can reach about 20,000 hours the service life of general LED lamp at present, but its color rendering is all not enough, therefore, how to improve the color rendering of LED light, the method or the structure that do not reduce its lumen again become challenge.
The utility model content
Technical problem to be solved in the utility model be to overcome the LED lamp illumination color rendering of prior art on the low side, and improve the deficiency that color rendering makes lumen reduce again, a kind of structure of the LED of raising lamp illumination color rendering is provided.
To achieve these goals, a kind of structure that improves LED lamp illumination color rendering of the utility model, comprise at least one led chip and at least one printed circuit board, described led chip is assemblied on the described printed circuit board, and described led chip is electrically connected with described printed circuit board; On described printed circuit board, cover the reflecting layer that to improve LED illumination color rendering, or/and on described printed circuit board, assembled reflection or filtered light source to improve the filter layer of LED illumination color rendering.
The material that can improve the described reflecting layer of LED illumination color rendering is printing ink or resin or rubber, also can be the material of other materials; Their color is red or yellow or green, wherein the most difficult realization be red.
On described printed circuit board, assembled reflection or filtered material the material for can filter of light source with the described filter layer of raising LED illumination color rendering, as acryl, glass or the like, their color is red or yellow or green, same, wherein the most difficult realization be red.
The redness of described reflecting layer or described filter layer can be dark red or pale red or pink or is arbitrarily red or the like; Its red kind changes according to the colour temperature of LED and changes, thereby improves whole color rendering (being CRI).
It is different yellow that the yellow of described reflecting layer and described filter layer can be, as the colour of loess, deep yellow, cream-coloured or the like; It is different green that the green of described reflecting layer and described filter layer can be, as dark green, medium green, light green or the like.
The described reflecting layer that can improve LED illumination color rendering is to coat on the printed circuit board of LED lamp and be positioned at the bottom of led chip by modes such as spraying or printing or brushings.
On described printed circuit board, assembled reflection or filtration light source and be assemblied on the described printed circuit board by modes such as plug-in unit or welding, comprising the side of led chip with the described filter layer that improves LED illumination color rendering.
The color of described reflecting layer and described filter layer can be mated the different colours of only Wavelength-converting according to the demand of different LED colour temperature, and improves color rendering (being CRI) or change the colour temperature of LED.
Described printed circuit board is to be used for the various circuit boards that design of electronic circuits connects, and can be rigid plate, flex plate or rigid and flexibility board.
The utility model is compared with prior art, and its beneficial effect is: one, improve the effective of LED illumination color rendering.Very clear, mechanism of the present utility model is based on mainly reflecting with red material in any LED light fixture or filter red light source and improve LED illumination color rendering, during the utility model work, be subjected to the effect of the drive circuit of described printed circuit board, described led chip can send the light beam of single wavelength, under the effect of high sealing lampshade, a part of light beam can reflect away, and another partly light beam can be reflected to the described reflecting layer that can improve LED illumination color rendering of described printed circuit board or/and throw light on raising LED on the described filter layer of color rendering assemble reflection on the described printed circuit board or filtering light source, again through the described reflecting layer that can improve LED illumination color rendering or/and on described printed circuit board, assemble reflection or has filtered light source and reflected with the throw light on described filter layer of color rendering of raising LED, convert the light beam of single wavelength to the multi-wavelength light beam and reflect away by the high sealing lampshade, thousands upon thousands light beams mix by this kind mode, thereby reach the effect that improves its color rendering.Its two, when improving LED illumination color rendering, lumen (brightness) is unaffected, and lumen is not reduced, and has finely solved that prior art improves color rendering and contradiction that lumen is reduced.Its three, simple and easy be suitable for, this structure and related method are simple, easy operating need not complicated control, helps reducing product cost, the raising market competitiveness.Its four, applicability is wide, this structure can be used in any LED lighting.Five, can utilize the reflection or/and the filter red light source changes the colour temperature of LED lamp, also can utilize the reflection or/and yellow light sources, can also utilize the reflection or/and green light source changes the colour temperature of LED lamp.
Description of drawings
Fig. 1 is traditional LED light fixture schematic diagram;
Fig. 2 is the utility model decomposing schematic representation;
Fig. 3 is the utility model printed circuit board, reflecting layer and led chip schematic diagram;
Fig. 4 is the schematic diagram that the utility model printed circuit board, reflecting layer and filter layer are assembled into strip;
Fig. 5 be the utility model printed circuit board, reflecting layer, and filter layer be assembled into the schematic diagram of ring-type;
Fig. 6 is the principle schematic of the utility model;
Fig. 7 is one of luminous action schematic diagram of the utility model;
Fig. 8 is two of the luminous action schematic diagram of the utility model.
Among the figure: 101, led chip; 102, printed circuit board; 103, reflecting layer; 104, filter layer; 105, lampshade; 106, lamp socket; 107, single wavelength light beam; 108, multi-wavelength light beam; 109, fluorescent material.
The specific embodiment
Below, introduce the specific embodiment of the present utility model in conjunction with the accompanying drawings.
Shown in Fig. 2,3,4 and 5, a kind of structure that improves LED lamp illumination color rendering of the utility model, comprise at least one led chip 101 and at least one printed circuit board 102, described led chip 101 is assemblied on the described printed circuit board 102, and described led chip 101 is electrically connected with described printed circuit board 102; On described printed circuit board 102, cover the reflecting layer 103 that to improve LED illumination color rendering, or/and on described printed circuit board 102, assembled reflection or filtered light source to improve the filter layer 104 of LED illumination color rendering.
The material that can improve the described reflecting layer 103 of LED illumination color rendering is printing ink or resin or rubber, also can be the material of other materials; Their color is red or yellow or green.
Assembled reflection or filter material the material for can filter of light source with the described filter layer 104 of raising LED illumination color rendering on described printed circuit board 102, as acryl, glass or the like, their color is red or yellow or green.
The redness of described reflecting layer 103 or described filter layer 104 can be dark red or pale red or pink or is arbitrarily red or the like; Its red kind changes according to the colour temperature of LED and changes, thereby improves whole color rendering (being CRI).
It is different yellow that the yellow of described reflecting layer 103 and described filter layer 104 can be, as the colour of loess, deep yellow, cream-coloured or the like; It is different green that the green of described reflecting layer 103 and described filter layer 104 can be, as dark green, medium green, light green or the like.
The described reflecting layer 103 that can improve LED illumination color rendering is to coat on the described printed circuit board 102 of LED lamp and be positioned at the bottom of led chip 101 by modes such as spraying or printing or brushings.
On described printed circuit board 102, assembled reflection or filtration light source and be assemblied on the described printed circuit board 102 by modes such as plug-in unit or welding, and be positioned at the side of described led chip 101 with the described filter layer 104 that improves LED illumination color rendering.Described filter layer 104 is assemblied in moulding on the described printed circuit board 102 and depends on actual need and decide, and as shown in Figure 4, described filter layer 104 is strip; As shown in Figure 5, described filter layer 104 in the form of a ring.
The color of described reflecting layer 103 and described filter layer 104 can be mated the different colours of only Wavelength-converting according to the demand of different LED colour temperature, and improves color rendering (being CRI) or change the colour temperature of LED.
Described printed circuit board 102 is to be used for the various circuit boards that design of electronic circuits connects, and can be rigid plate, flex plate or rigid and flexibility board.
Described led chip 101 of the present utility model, described printed circuit board 102, and described lampshade 105 be assemblied in lamp socket 106.
As Fig. 6, shown in 7 and 8, when the LED light fixture operates, led chip 101 can send the light beam 107 of single wavelength, under the effect of high sealing lampshade 105, a part of light beam can reflect away, another part light beam can be reflected to the described reflecting layer 103 that can improve LED illumination color rendering of printed circuit board 102 or/and on the described filter layer 104, the described reflecting layer 103 of LED illumination color rendering of can improving of process is or/and 104 reflections of described filter layer again, convert single wavelength light beam 107 to multi-wavelength light beam 108 and reflect away by high sealing lampshade 105, thousands upon thousands light beams mix by this kind mode, thereby reach the effect that improves its color rendering.
The foregoing description only is preferable scheme in the utility model is implemented, and non-limiting exhaustive, under the prerequisite that does not break away from its inventive concept, any small variation or modification all should be considered as within the utility model protection domain.

Claims (10)

1.一种提高LED灯照明演色性的结构，包括至少一LED芯片及至少一印制电路板，所述LED芯片装配在所述印制电路板上，并且所述LED芯片与所述印制电路板电连接；其特征在于：在所述印制电路板上覆盖可以提高LED照明演色性的反射层，或/和在所述印制电路板上装配起反射或过滤光源以提高LED照明演色性的过滤层。1. A structure for improving the color rendering of LED lighting, comprising at least one LED chip and at least one printed circuit board, the LED chip is assembled on the printed circuit board, and the LED chip and the printed circuit board Circuit board electrical connection; characterized in that: the printed circuit board is covered with a reflective layer that can improve the color rendering of LED lighting, or/and a reflective or filtered light source is assembled on the printed circuit board to improve the color rendering of LED lighting Sexual filter layer. 2.根据权利要求1所述的一种提高LED灯照明演色性的结构，其特征在于：可以提高LED照明演色性的所述反射层为油墨、或树脂、或橡胶，它们的颜色为红色、或黄色、或绿色。2. A structure for improving the color rendering of LED lighting according to claim 1, characterized in that: the reflective layer that can improve the color rendering of LED lighting is ink, or resin, or rubber, and their colors are red, Or yellow, or green. 3.根据权利要求1所述的一种提高LED灯照明演色性的结构，其特征在于：在所述印制电路板上装配起反射或过滤光源以提高LED照明演色性的所述过滤层为可滤光的材料，其颜色为红色、或黄色、或绿色。3. A structure for improving the color rendering of LED lighting according to claim 1, wherein the filter layer is assembled on the printed circuit board to reflect or filter the light source to improve the color rendering of LED lighting. A light-filtering material whose color is red, or yellow, or green. 4.根据权利要求3所述的一种提高LED灯照明演色性的结构，其特征在于：在所述印制电路板上装配起反射或过滤光源以提高LED照明演色性的所述过滤层的可滤光的材料为压克力、或玻璃。4. A structure for improving the color rendering of LED lighting according to claim 3, characterized in that: the printed circuit board is equipped with a filter layer that reflects or filters the light source to improve the color rendering of LED lighting The filterable material is acrylic or glass. 5.根据权利要求2所述的一种提高LED灯照明演色性的结构，其特征在于：可以提高LED照明演色性的所述反射层的油墨、或树脂、或橡胶的红色，依LED之色温而改变，匹配合适的转换波长的红色，可为深红、或浅红、或粉红；可以提高LED照明演色性的所述反射层的油墨、或树脂、或橡胶的黄色，依LED之色温而改变，匹配合适的转换波长的黄色，可为土黄、深黄、米黄；可以提高LED照明演色性的所述反射层的油墨、或树脂、或橡胶的绿色，依LED之色温而改变，匹配合适的转换波长的绿色，可为深绿、中绿、浅绿。5. A structure for improving the color rendering of LED lighting according to claim 2, characterized in that: the red color of the ink, resin, or rubber of the reflective layer that can improve the color rendering of LED lighting depends on the color temperature of the LED And change, match the red of the appropriate conversion wavelength, it can be deep red, or light red, or pink; the ink, or resin, or yellow of the rubber of the reflective layer that can improve the color rendering of LED lighting depends on the color temperature of the LED. Change and match the yellow of the appropriate conversion wavelength, which can be khaki, dark yellow, beige; the green of the ink, resin, or rubber of the reflective layer that can improve the color rendering of LED lighting can be changed according to the color temperature of the LED, and the matching is suitable The green of the converted wavelength can be dark green, medium green, or light green. 6.根据权利要求3所述的一种提高LED灯照明演色性的结构，其特征在于：在所述印制电路板上装配起反射或过滤光源以提高LED照明演色性的所述过滤层的可滤光的材料的红色，依LED之色温而改变，匹配合适的转换波长的红色，可为深红、或浅红、或粉红；在所述印制电路板上装配起反射或过滤光源以提高LED照明演色性的所述过滤层的可滤光的材料的黄色，依LED之色温而改变，匹配合适的转换波长的黄色，可为土黄、深黄、米黄；在所述印制电路板上装配起反射或过滤光线以提高LED照明演色性的所述过滤层的可滤光的材料的绿色，依LED之色温而改变，匹配合适的转换波长的绿色，可为深绿、中绿、浅绿。6. A structure for improving the color rendering of LED lighting according to claim 3, characterized in that: the printed circuit board is equipped with a filter layer that reflects or filters the light source to improve the color rendering of LED lighting The red color of the material that can be filtered changes according to the color temperature of the LED, and the red color that matches the appropriate conversion wavelength can be dark red, light red, or pink; reflective or filtered light sources are assembled on the printed circuit board to The yellow color of the filterable material of the filter layer that improves the color rendering of LED lighting changes according to the color temperature of the LED, and the yellow color that matches the appropriate conversion wavelength can be earthy yellow, deep yellow, beige; on the printed circuit board The green color of the filterable material of the filter layer that reflects or filters light to improve the color rendering of LED lighting changes according to the color temperature of the LED, and the green color that matches the appropriate conversion wavelength can be dark green, medium green, or green. light green. 7.根据权利要求1所述的一种提高LED灯照明演色性的结构，其特征在于：可以提高LED照明演色性的所述反射层通过喷涂、或印刷或涂刷方式涂布于所述印制电路板上并位于LED芯片的下部。7. A structure for improving the color rendering of LED lighting according to claim 1, characterized in that: the reflective layer that can improve the color rendering of LED lighting is coated on the printing surface by spraying, printing or brushing. printed circuit board and located under the LED chip. 8.根据权利要求1所述的一种提高LED灯照明演色性的结构，其特征在于：在所述印制电路板上装配起反射或过滤光源以提高LED照明演色性的所述过滤层，通过插件或焊接方式装配于所述印制电路板上，并位于LED芯片的侧面。8. A structure for improving the color rendering of LED lighting according to claim 1, characterized in that: the filter layer is assembled on the printed circuit board to reflect or filter the light source to improve the color rendering of LED lighting, It is assembled on the printed circuit board by means of plug-in or welding, and is located on the side of the LED chip. 9.根据权利要求1或8所述的一种提高LED灯照明演色性的结构，其特征在于：所述过滤层呈条状或环状装配在所述印制电路板上。9 . The structure for improving the color rendering of LED lighting according to claim 1 or 8 , wherein the filter layer is assembled on the printed circuit board in a strip shape or a ring shape. 10 . 10.根据权利要求1所述的一种提高LED灯照明演色性的结构，其特征在于：所述印制电路板可为刚性板、或挠性板、或刚挠性结合板。10 . The structure for improving the color rendering of LED lighting according to claim 1 , wherein the printed circuit board can be a rigid board, a flexible board, or a rigid-flex board. 11 .
CN2009203112249U 2009-09-24 2009-09-24 Structure for improving lighting color rendering of LED lamp Expired - Fee Related CN201526923U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2009203112249U CN201526923U (en) 2009-09-24 2009-09-24 Structure for improving lighting color rendering of LED lamp
PCT/CN2010/076222 WO2011035668A1 (en) 2009-09-24 2010-08-21 Structure for improving illumination color rendering property of led lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009203112249U CN201526923U (en) 2009-09-24 2009-09-24 Structure for improving lighting color rendering of LED lamp

Publications (1)

Publication Number Publication Date
CN201526923U true CN201526923U (en) 2010-07-14

Family

ID=42518209

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009203112249U Expired - Fee Related CN201526923U (en) 2009-09-24 2009-09-24 Structure for improving lighting color rendering of LED lamp

Country Status (2)

Country Link
CN (1) CN201526923U (en)
WO (1) WO2011035668A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011035668A1 (en) * 2009-09-24 2011-03-31 Shen Lihao Structure for improving illumination color rendering property of led lamp
CN102313158A (en) * 2010-07-07 2012-01-11 陈清山 LED lighting bulb assembly
EP2596283A4 (en) * 2010-07-23 2017-11-29 Biological Illumination LLC Led lamp for producing biologically-corrected light
CN108758570A (en) * 2018-06-21 2018-11-06 广东凌想实业发展有限公司 L ED lamp circuit board

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9612002B2 (en) 2012-10-18 2017-04-04 GE Lighting Solutions, LLC LED lamp with Nd-glass bulb

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100622209B1 (en) * 2002-08-30 2006-09-19 젤코어 엘엘씨 Coated led with improved efficiency
CN100352069C (en) * 2002-11-25 2007-11-28 松下电器产业株式会社 LED lighting source
CN1641897A (en) * 2004-01-14 2005-07-20 诠兴开发科技股份有限公司 Improvement method of white light LED
CN100428512C (en) * 2005-01-31 2008-10-22 东芝照明技术株式会社 LED device
WO2009016604A1 (en) * 2007-08-02 2009-02-05 Koninklijke Philips Electronics N.V. Etendue conserving, color-mixed, and high brightness led light source
CN201526923U (en) * 2009-09-24 2010-07-14 沈李豪 Structure for improving lighting color rendering of LED lamp

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011035668A1 (en) * 2009-09-24 2011-03-31 Shen Lihao Structure for improving illumination color rendering property of led lamp
CN102313158A (en) * 2010-07-07 2012-01-11 陈清山 LED lighting bulb assembly
EP2596283A4 (en) * 2010-07-23 2017-11-29 Biological Illumination LLC Led lamp for producing biologically-corrected light
CN108758570A (en) * 2018-06-21 2018-11-06 广东凌想实业发展有限公司 L ED lamp circuit board

Also Published As

Publication number Publication date
WO2011035668A1 (en) 2011-03-31

Similar Documents

Publication Publication Date Title
EP3653924B1 (en) Lighting device
US8643287B2 (en) Lighting device with switchable day/night illumination mode
US20060250792A1 (en) LED light bulb
CN201526923U (en) Structure for improving lighting color rendering of LED lamp
CN204829749U (en) Hi -lite LED spotlight cover
CN203718670U (en) Full-spectrum LED luminous structure for desk lamp
CN201944767U (en) Novel quinquangular light emitting diode (LED) energy-saving color decoration lamp
CN202040624U (en) High-color rendering index LED lamp
CN201437974U (en) LED light source and power supply interface combination structure
CN201934932U (en) LED (light-emitting diode) bulb
CN201885031U (en) Yellow light emitting diode (LED) fluorescent lamp
CN201916725U (en) LED (light-emitting diode) area illuminant
TWM391726U (en) LED lamp with high color rendering structure
CN201149202Y (en) Ornamental type light bulb
CN215674857U (en) Mirror surface reflection lamp area
CN204785707U (en) Can simulate luminous LED lamps and lanterns of tungsten lamp
CN205065594U (en) LED down lamp of adjustable bright colour
CN104279445B (en) LED lights
CN201992371U (en) LED grating lighting
CN207762820U (en) The automobile OLED screen body structure of anti-solar irradiation
CN201190968Y (en) Lighting device of multi-gun integrated LED wafer seat
CN104251405A (en) Novel LED bulb lamp
CN202812972U (en) Inserting connection type light emitting diode (LED)-red-green-blue (RGB) lamp bead
CN202032334U (en) Yellow LED fluorescent lamp
CN201281237Y (en) LED lamp structure with anti-glare function

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100714

Termination date: 20120924