CN102466157A - Lamp device capable of replacing chroma - Google Patents
Lamp device capable of replacing chroma Download PDFInfo
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- CN102466157A CN102466157A CN2011100835638A CN201110083563A CN102466157A CN 102466157 A CN102466157 A CN 102466157A CN 2011100835638 A CN2011100835638 A CN 2011100835638A CN 201110083563 A CN201110083563 A CN 201110083563A CN 102466157 A CN102466157 A CN 102466157A
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- light emitting
- emitting diode
- bracing frame
- lamp device
- light source
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Abstract
The invention discloses a lamp device capable of replacing chroma. The lamp device comprises a support, a light emitting diode array lihgt source, an optical filter, two end caps and two pairs of electrodes. The light emitting diode array lihgt source is arranged on the support. The optical filter is arc-shaped and combined with the support to be of a tube structure, and the arc surface of the optical filter serves as the light emitting surface of the light emitting diode array lihgt source. The optical filter is used for absorbing a beam with a specific wavelength in the emitted light of the light emitting diode array lihgt source. The two end caps are respectively arranged on the two ends of the tube structure. The two pairs of electrodes are respectively arranged on the two ends of the tube structure and the two end caps, and are electrically connected with the light emitting diode array lihgt source.
Description
Technical field
The present invention relates to a kind of light emitting diode (Light-emitting diode, LED) light fixture, and particularly relate to a kind of lamp device that absorbs specific wavelength.
Background technology
Generally speaking; The illumination that LED lamp source provides can be applicable on the fitting structure miscellaneous; Is flat lamp or tubular light fitting mostly, has LGP in the flat lamp, up reflect and produce planar light beam in order to the light that LED lamp source sent with side.Tubular light fitting is directly outwards luminous with the light-emitting area of LED lamp source, and the lampshade of tubular light fitting is curved surface, to replace traditional fluorescent tube.
Yet the driving power of existing special wavelength light fluorescent tube is big, and the life-span is short, and it is high therefore to change frequency height and cost.In addition, the special wavelength fluorescent tube is moulded the surface that diaphragm is coated on fluorescent tube with special, and the light that has the ultraviolet light wave band in the use produces, and causes the special diaphragm of moulding to receive UV-irradiation for a long time and wear out.Therefore, in manufacture craft, aging mould the wavelength that diaphragm can't filter the exposure reaction, cause photosensitive material to produce defective, influence the qualification rate of manufacture craft.
Summary of the invention
The present invention is relevant for a kind of lamp device, in order to absorbing the light of specific wavelength, and the traditional fluorescent tube of instead, overflows and influences the qualification rate of manufacture craft with the light of avoiding specific wavelength.
According to an aspect of the present invention, propose a kind of lamp device, comprise a bracing frame, a light emitting diode matrix light source, an optical filter, two end cap and two pairs of electrodes.The light emitting diode matrix light source is disposed on the bracing frame.It is circular-arc that optical filter is, and optical filter and supporting frame group are synthesized a tubular structure, and be the exiting surface of light emitting diode matrix light source with its arc-shaped surface.Optical filter is in order to the light of a specific wavelength in the emission light that absorbs the light emitting diode matrix light source.Two end cap is disposed at the two ends of tubular structure respectively.Two pairs of electrodes are disposed at respectively on the two ends and two end cap of tubular structure, and are electrically connected with the light emitting diode matrix light source.
According to a further aspect in the invention, propose a kind of lamp device, comprise a bracing frame, one first light emitting diode matrix light source, one second light emitting diode matrix light source, a reflector plate, a LGP and two optical filters.Bracing frame is tabular.Bracing frame has a upper surface and a lower surface, and four sides of bracing frame connect upper surface and lower surface.First side and the 3rd side of bracing frame are parallel, and second side and the 4th side are parallel, and bracing frame is up extended with the direction of vertical upper surface by first side and the 3rd side, form one first lampshade and one second lampshade with inwall respectively.The first light emitting diode matrix light source is arranged on the inwall of first lampshade.The second light emitting diode matrix light source is arranged on the inwall of second lampshade.Reflector plate is disposed at the upper surface of bracing frame.LGP is disposed on the reflector plate, and the incidence surface of the both sides of LGP is respectively towards first and second light emitting diode matrix light source, with the emission photoconduction of first and second light emitting diode matrix light source direction to the exiting surface of LGP.Two optical filters are arranged at respectively between the incidence surface of both sides of first and second light emitting diode matrix light source and LGP, in order to the light of a specific wavelength in the emission light that absorbs first and second light emitting diode matrix light source.
According to a further aspect in the invention, propose a kind of lamp device, comprise a bracing frame, one first light emitting diode matrix light source, one second light emitting diode matrix light source, a reflector plate, a LGP and an optical filter.Bracing frame is tabular.Bracing frame has a upper surface and a lower surface, and four sides of bracing frame connect upper surface and lower surface.First side and the 3rd side of bracing frame are parallel, and second side and the 4th side are parallel, and bracing frame is up extended with the direction of vertical upper surface by first side and the 3rd side, form one first lampshade and one second lampshade with inwall respectively.The first light emitting diode matrix light source is arranged on the inwall of first lampshade.The second light emitting diode matrix light source is arranged on the inwall of second lampshade.Reflector plate is disposed at the upper surface of bracing frame.LGP is disposed on the reflector plate, and the incidence surface of the both sides of LGP is respectively towards first and second light emitting diode matrix light source, with the emission photoconduction of first and second light emitting diode matrix light source direction to the exiting surface of LGP.Optical filter is arranged on the exiting surface of LGP, in order to the light of a specific wavelength in the emission light that absorbs first and second light emitting diode matrix light source.
For there is better understanding above-mentioned and other aspects of the present invention, hereinafter is special lifts preferred embodiment, and cooperates appended accompanying drawing, elaborates as follows:
Description of drawings
Fig. 1 is the sketch map of the lamp device of first embodiment of the invention;
Fig. 2 A is the sketch map of the lamp device of second embodiment of the invention;
Fig. 2 B is the generalized section of the lamp device of second embodiment of the invention;
Fig. 3 A is the sketch map of the lamp device of third embodiment of the invention;
Fig. 3 B is the generalized section of the lamp device of third embodiment of the invention;
Fig. 4 is the light flux distribution figure after the optical filter of one embodiment of the invention absorbs specific wavelength.
The main element symbol description
100,200a, 200b: lamp device
108: tubular structure
110,210: bracing frame
120,220a, 220b: light emitting diode matrix light source
122,222: substrate
124,224: light emitting diode
125: the anode connection end
126: the cathode connection end
128,228,230: optical filter
128a, 228a: curved surface
130: end cap
140: electrode
141: positive electrode
142: negative electrode
210a: upper surface
210b: lower surface
211: the first lampshades
213: the second lampshades
225: reflector plate
226: LGP
226a: incidence surface
226b: exiting surface
227: blooming piece
L1, L2: long limit
S1, S2: minor face
T1, T2: strip groove
W1: first side
W2: second side
W3: the 3rd side
W4: the 4th side
The specific embodiment
First embodiment: tubular light fitting
Please with reference to Fig. 1, it illustrates the sketch map according to the lamp device of first embodiment.Lamp device 100 comprises a bracing frame 110, a light emitting diode matrix light source 120, an optical filter 128, two end caps 130 and two pairs of electrodes 140.Light emitting diode matrix light source 120 is disposed on the bracing frame 110.Optical filter 128 is circular-arc, and optical filter 128 is combined into a tubular structure 108 with bracing frame 110, and is the exiting surface of light emitting diode matrix light source 120 with its arc-shaped surface.Optical filter 128 is in order to the light of a specific wavelength in the emission light that absorbs light emitting diode matrix light source 120.Two end cap 130 is disposed at the two ends of tubular structure 108 respectively.Two pairs of electrodes 140 are disposed at respectively on the two ends and two end cap 130 of tubular structure 108, and are electrically connected with light emitting diode matrix light source 120.
In one embodiment, optical filter 128 has two long limit L1, L2 and two minor face S1, S2.The long limit of optical filter 128 is fixed on the both sides of bracing frame 110, and optical filter 128 is grown limit L1, L2 to crimped, so that two minor face S1, the S2 of optical filter 128 form a C shape curved surface 128a along two.Therefore, the long limit L1 of optical filter 128, L2 extend along the horizontal direction of curved surface 128a, and the minor face S1 of optical filter 128, S2 extend along the tangential direction of curved surface 128a.
In one embodiment, optical filter 128 contains optical absorbing agent or sensitising agent, in order to absorb the light of a specific wavelength.Optical absorbing agent can be organic compound, and it can be coated on the optical filter 128 or when making optical filter 128 and directly be entrained in the optical filter 128.Because optical filter 128 directly makes the shape of lampshade in the arc-shaped, and can absorb the light of specific wavelength, so the surface of lamp device 100 does not need to coat again and moulds diaphragm.
In addition, when making optical filter 128, optical filter 128 can form two groove T1, the T2 of strip along the relative both sides on long limit, so that optical filter 128 can be fixed on the bracing frame 110 via two groove T1, T2, to be combined into a tubular structure 108.
Please refer to Fig. 1, in one embodiment, bracing frame 110 is for example constituted by heat radiating metal, has enough intensity and thickness.Bracing frame 110 is a strip; In order to light emitting diode matrix light source 120 is fixed in the tubular structure 108 along horizontal direction (long limit L1, L2); And absorb the heat that light emitting diode 124 is produced, influence its luminous efficiency to avoid heat to concentrate in the light emitting diode 124.
Light emitting diode matrix light source 120 is disposed on the bracing frame 110.Light emitting diode matrix light source 120 comprises a substrate 122 and most light emitting diodes 124.Substrate 122 for example is an aluminium base, and it can be made up of a plurality of substrates that vertically link to each other.Substrate 122 is in order to fix these a little light emitting diodes 124 on bracing frame 110.The short side of substrate 122 has an anode connection end 125 and a cathode connection end 126 respectively, is positioned at two electrodes 140 of the same side in order to connection.In one embodiment, the substrate 122 of light emitting diode matrix light source 120 can be fixed on the bracing frame 110 through glue.Light emitting diode 124 is arranged on the substrate 122 with array way, to form an array spot light.In addition, also equal mating plate or diffusion sheet can be set in the tubular structure 108, so that the emission luminous energy of light emitting diode matrix light source 120 evenly disperses.
In addition, end cap 130 is disposed at the two ends of tubular structure 108, so that the two ends of tubular structure 108 are closed.In one embodiment, for example dispose a starter in the end cap 130, in order to supply direct current and light emitting diode 124 electricity in the tubular structure 108 are caused and luminous (electroluminescence).In another embodiment, starter is also configurable below bracing frame 110.
In addition, every pair of electrode 140 comprises a positive electrode 141 and a negative electrode 142.Every pair of electrode 140 is disposed on the end and end cap 130 of tubular structure 108, in order to connecting external power source, and is electrically connected with the substrate 122 of light emitting diode matrix light source 120, so that required electric power to be provided.One end of every pair of electrode 140 protrudes in outside the end cap 130 along horizontal direction (long limit L1, L2), and can be plugged on the lamp socket of fluorescent tube.Therefore, the traditional fluorescent tube of fitting structure 100 instead of present embodiment, and the life-span of light emitting diode 124 more than traditional fluorescent lamp pipe range, do not take normal replacing, and luminous efficiency is higher, so can reach effect of saving energy.
Second embodiment: tabular light fixture
Please with reference to Fig. 2 A and Fig. 2 B, wherein Fig. 2 A illustrates the sketch map according to the lamp device of second embodiment, and Fig. 2 B illustrates the generalized section according to the lamp device of second embodiment.Lamp device 200a comprises a bracing frame 210, one first light emitting diode matrix light source 220a, one second light emitting diode matrix light source 220b, a reflector plate 225, a LGP 226 and two optical filters 228.Bracing frame 210 is tabular.Bracing frame 210 has a upper surface 210a and a lower surface 210b, and four sides of bracing frame 210 connect upper surface 210a and lower surface 210b.The first side W1 and the 3rd side W3 of bracing frame 210 are parallel, and the second side W2 and the 4th side W4 are parallel.Bracing frame 210 is up extended with the direction of vertical upper surface 210a by the first side W1 and the 3rd side W3, forms one first lampshade 211 and one second lampshade 213 with inwall respectively.The first light emitting diode matrix light source 220a is arranged on the inwall of first lampshade 211.The second light emitting diode matrix light source 220b is arranged on the inwall of second lampshade 213.Reflector plate 225 is disposed at the upper surface 210a of bracing frame 210.LGP 226 is disposed on the reflector plate 225.The incidence surface 226a of the both sides of LGP 226 is respectively towards first and second light emitting diode matrix light source 220a, 220b, with the emission photoconduction of first and second light emitting diode matrix light source 220a, the 220b direction to the exiting surface 226b of LGP 226.Two optical filters 228 are arranged at respectively between the incidence surface 226a of both sides of first and second light emitting diode matrix light source 220a, 220b and LGP 226, in order to the light of a specific wavelength in the emission light that absorbs first and second light emitting diode matrix light source 220a, 220b.
In one embodiment, optical filter 228 contains optical absorbing agent or sensitising agent, in order to absorb the light of a specific wavelength.Optical absorbing agent can be organic compound, and it can be coated on the optical filter 228 or when making optical filter 228 and directly be entrained in the optical filter 228.The emission light of first and second light emitting diode matrix light source 220a, 220b is earlier after the light via optical filter 228 filter specific wavelengths, reenters to be incident upon in the LGP 226.The exiting surface 226b of LGP 226 up, and the bottom surface of LGP 226 disposes reflector plate 225, the direction towards exiting surface 226b penetrates via reflection in order to the light with side incident.In addition, the exiting surface 226b of LGP 226 also can be provided with a blooming piece 227.The diaphragm that blooming piece 227 is for example formed for diffusion sheet, prismatic lens or said two devices is so that the emission luminous energy of first and second light emitting diode matrix light source 220a, 220b evenly disperses.
In one embodiment, bracing frame 210 is for example constituted by heat radiating metal, has enough intensity and thickness.Bracing frame 210 is a tabular; And both sides form first lampshade 211 and second lampshade 213 of ㄇ font; In order to first and second light emitting diode matrix light source 220a, 220b are disposed at the both sides of LGP 226 along horizontal direction; And be fixed in first lampshade 211 and second lampshade 213, and absorb the heat that light emitting diode 224 is produced, influence its luminous efficiency to avoid heat to concentrate in the light emitting diode 224.
Please refer to Fig. 2 B, first and second light emitting diode matrix light source 220a, 220b comprise a substrate 222 and most light emitting diodes 224 respectively.Substrate 222 in order to fixing light emitting diode 224 on the inwall of first lampshade 211 and second lampshade 213.In one embodiment, the substrate 222 of first and second light emitting diode matrix light source 220a, 220b can be fixed on the inwall of first lampshade 211 and second lampshade 213 through glue.Substrate 222 can and cause light emitting diode 224 electricity and luminous through starter supply direct current.Because the life-span of light emitting diode 224 is long more than traditional fluorescent lamp, do not take normal replacing, and luminous efficiency is higher, so can reach effect of saving energy.
The 3rd embodiment: tabular light fixture
Please with reference to Fig. 3 A and Fig. 3 B, wherein Fig. 3 A illustrates the sketch map according to the lamp device of the 3rd embodiment, and Fig. 3 B illustrates the generalized section according to the lamp device of the 3rd embodiment.What the lamp device 200b of present embodiment was different with second embodiment is that optical filter 230 is arranged on the exiting surface 226b of LGP 226, in order to the light of a specific wavelength in the emission light that absorbs first and second light emitting diode matrix light source 220a, 220b.
In one embodiment, optical filter 230 contains optical absorbing agent or sensitising agent, in order to absorb the light of a specific wavelength.Optical absorbing agent can be organic compound, and it can be coated on the optical filter 230 or when making optical filter 230 and be formed directly in the optical filter 230.Optical filter 230 is a tabular, and it can be fixed between first lampshade 211 and second lampshade 213, and keeps certain spacing with the upper surface 210a of bracing frame 210, so that LGP 226 correspondences are between optical filter 230 and bracing frame 210.
In addition, the bottom surface of LGP 226 disposes reflector plate 225.The emission light of first and second light emitting diode matrix light source 220a, 220b can be incident in the LGP 226 earlier; Via reflector plate 225 reflection of the light of side incident is penetrated towards the direction of exiting surface 226b again, afterwards again via the light of optical filter 230 filter specific wavelengths.
Please refer to Fig. 4, it illustrates according to the light flux distribution figure behind the optical filter absorption specific wavelength of an embodiment.Can know that by Fig. 4 the absorbable wave-length coverage of optical filter is the wavelength below the 500nm, contain the wave band (280nm～400nm) and the wave band of the visible light of the part (400nm～500nm) of black light.Therefore, the optical filter of present embodiment can absorb the light of specific wavelength, causes the wavelength of photosensitive material exposure reaction with filtration, and then improves the qualification rate of photoetching making technology.In addition, the characteristic that optical filter can change extinction through the optical absorbing agent or the sensitising agent of different formulations to absorb the light of specific wavelength, is not defined as ultraviolet light.
The lamp device that the above embodiment of the present invention disclosed has following characteristics at least:
(1) utilizes optical filter to absorb the light of specific wavelength, need not use traditional specific wavelength fluorescent tube, overflow and influence the qualification rate of manufacture craft with the light of avoiding specific wavelength.
(2) in one embodiment, optical filter can be formed a tubular structure with circular-arc bracing frame, to replace traditional fluorescent tube.
(3) in one embodiment, optical filter and light emitting diode matrix light source can be arranged on the incidence surface of side of LGP, so that emission luminous energy is equably towards the directional divergence of the exiting surface of LGP.
(4) in one embodiment, optical filter can be formed a tabular light fixture with flat bracing frame, and directly absorbs the light of specific wavelength with optical filter, to save the time and the cost of assembling.
In sum, though combine the foregoing description to disclose the present invention, it is not in order to limit the present invention.Be familiar with this operator in the technical field under the present invention, do not breaking away from the spirit and scope of the present invention, can do various changes and retouching.Therefore, protection scope of the present invention should with enclose claim was defined is as the criterion.
Claims (19)
1. lamp device comprises:
Bracing frame;
The light emitting diode matrix light source is disposed on this bracing frame;
Optical filter; Be circular-arc; This optical filter and this supporting frame group are synthesized a tubular structure, and are the exiting surface of this light emitting diode matrix light source with its arc-shaped surface, and this optical filter is in order to the light of a specific wavelength in the emission light that absorbs this light emitting diode matrix light source;
Two end cap is disposed at the two ends of this tubular structure respectively; And
Two pairs of electrodes are disposed at respectively on the two ends and this two end cap of this tubular structure, and are electrically connected with this light emitting diode matrix light source.
2. lamp device as claimed in claim 1, wherein this light emitting diode matrix light source comprises substrate and a plurality of light emitting diode, this substrate is in order to fix those light emitting diodes on this bracing frame.
3. lamp device as claimed in claim 2, wherein those light emitting diodes are arranged on this substrate with array way.
4. lamp device as claimed in claim 1, wherein this bracing frame is made up of heat radiating metal.
5. lamp device as claimed in claim 1, wherein the light of this specific wavelength is ultraviolet light.
6. lamp device comprises:
Bracing frame; Be tabular, this bracing frame has upper surface and lower surface, and four sides of this bracing frame connect this upper surface and this lower surface; Wherein first side of this bracing frame and the 3rd side are parallel; Second side and the 4th side are parallel, and this bracing frame is up extended with the direction of vertical this upper surface by this first side and the 3rd side, form one first lampshade and one second lampshade with inwall respectively;
The first light emitting diode matrix light source is arranged on the inwall of this first lampshade;
The second light emitting diode matrix light source is arranged on the inwall of this second lampshade;
Reflector plate is disposed at this upper surface of this bracing frame;
LGP; Be disposed on this reflector plate; And the incidence surface of the both sides of this LGP respectively towards this first and this second light emitting diode matrix light source, with this first and the emission photoconduction of this second light emitting diode matrix light source to the direction of the exiting surface of this LGP; And
Two optical filters, be arranged at respectively this first and the incidence surface of the both sides of this second light emitting diode matrix light source and this LGP between, in order to absorb this first and the emission light of this second light emitting diode matrix light source in the light of a specific wavelength.
7. lamp device as claimed in claim 1, wherein this first and this second light emitting diode matrix light source comprise a substrate and a plurality of light emitting diode respectively, this substrate in order to fixing those light emitting diodes on the inwall of this first lampshade and this second lampshade.
8. lamp device as claimed in claim 7, wherein those light emitting diodes are arranged on this substrate with array way.
9. lamp device as claimed in claim 6, wherein this bracing frame is made up of heat radiating metal.
10. lamp device as claimed in claim 6, wherein the light of this specific wavelength is ultraviolet light.
11. lamp device as claimed in claim 6 also comprises a blooming, is arranged on this LGP.
12. lamp device as claimed in claim 11, wherein this blooming is diffusion sheet, prismatic lens or its combination.
13. a lamp device comprises:
Bracing frame; Be tabular, this bracing frame has upper surface and lower surface, and four sides of this bracing frame connect this upper surface and this lower surface; Wherein first side of this bracing frame and the 3rd side are parallel; Second side and the 4th side are parallel, and this bracing frame is up extended with the direction of vertical this upper surface by this first side and the 3rd side, form one first lampshade and one second lampshade with inwall respectively;
The first light emitting diode matrix light source is arranged on the inwall of this first lampshade;
The second light emitting diode matrix light source is arranged on the inwall of this second lampshade;
Reflector plate is disposed at this upper surface of this bracing frame;
LGP; Be disposed on this reflector plate; And the incidence surface of the both sides of this LGP respectively towards this first and this second light emitting diode matrix light source, with this first and the emission photoconduction of this second light emitting diode matrix light source to the direction of the exiting surface of this LGP; And
Optical filter is arranged on the exiting surface of this LGP, in order to absorb this first and the emission light of this second light emitting diode matrix light source in the light of a specific wavelength.
14. lamp device as claimed in claim 13, wherein this first and this second light emitting diode matrix light source comprise a substrate and a plurality of light emitting diode respectively, this substrate in order to fixing those light emitting diodes on this bracing frame.
15. lamp device as claimed in claim 14, wherein those light emitting diodes are arranged on this substrate with array way.
16. lamp device as claimed in claim 13, wherein this bracing frame is made up of heat radiating metal.
17. lamp device as claimed in claim 13, wherein the light of this specific wavelength is ultraviolet light.
18. lamp device as claimed in claim 13 also comprises blooming piece, is arranged on this LGP.
19. lamp device as claimed in claim 18, wherein this blooming piece is diffusion sheet, prismatic lens or its combination.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US41051110P | 2010-11-05 | 2010-11-05 | |
| US61/410,511 | 2010-11-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102466157A true CN102466157A (en) | 2012-05-23 |
Family
ID=46070113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100835638A Pending CN102466157A (en) | 2010-11-05 | 2011-04-02 | Lamp device capable of replacing chroma |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102466157A (en) |
| TW (2) | TWI493140B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102759035A (en) * | 2012-06-25 | 2012-10-31 | 达亮电子（苏州）有限公司 | Lamp-tube-replaceable lamp |
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| US20050083696A1 (en) * | 2003-10-20 | 2005-04-21 | Po-Liang Chiang | Structure of LED illuminating apparatus |
| FR2881844B1 (en) * | 2005-02-09 | 2007-04-13 | Saint Gobain | DIFFUSING STRUCTURE WITH ABSORPTION PROPERTIES IN ULTRAVIOLET |
| KR101362729B1 (en) * | 2007-05-08 | 2014-02-12 | 삼성디스플레이 주식회사 | Optical sheet, method of manufacturing the same and display apparatus having the same |
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| JP5221267B2 (en) * | 2008-10-03 | 2013-06-26 | ローム株式会社 | Manufacturing system using LED, LED lighting tube and lighting fixture |
| JP4379750B1 (en) * | 2009-02-17 | 2009-12-09 | 株式会社東穂 | Light transmission diffuser filter for lighting |
| KR100919840B1 (en) * | 2009-03-23 | 2009-09-30 | 주식회사 포지티브 | Tube type led lighting device |
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- 2011-02-09 TW TW103123915A patent/TWI493140B/en not_active IP Right Cessation
- 2011-02-09 TW TW100104340A patent/TWI472704B/en not_active IP Right Cessation
- 2011-04-02 CN CN2011100835638A patent/CN102466157A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2320884Y (en) * | 1998-01-09 | 1999-05-26 | 倪庆县 | Anti-fogging light |
| CN2432438Y (en) * | 2000-06-22 | 2001-05-30 | 上海冠盛科技发展有限公司 | Light-filtering eye-protective reading lamp |
| DE10201052A1 (en) * | 2001-01-16 | 2002-08-01 | Visteon Global Tech Inc | LED backlighting |
| US20070133193A1 (en) * | 2005-12-12 | 2007-06-14 | Led Folio Corporation | Low-clearance lighting |
| US20090161340A1 (en) * | 2007-12-19 | 2009-06-25 | Fu Zhun Precision Industry (Shen Zhen) Co., Ltd. | White light illuminator and reading lamp using the same |
| CN201599655U (en) * | 2009-12-05 | 2010-10-06 | 佛山市顺德区汉达精密电子科技有限公司 | Side reflecting type backlight component |
| DE202010001098U1 (en) * | 2010-01-18 | 2010-07-29 | Asmetec Gmbh | Yellow light tube on LED basis |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102759035A (en) * | 2012-06-25 | 2012-10-31 | 达亮电子（苏州）有限公司 | Lamp-tube-replaceable lamp |
| TWI493136B (en) * | 2012-06-25 | 2015-07-21 | Lextar Electronics Suzhou Corp | Lamp device with light-tube switching function |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI472704B (en) | 2015-02-11 |
| TW201502436A (en) | 2015-01-16 |
| TW201219719A (en) | 2012-05-16 |
| TWI493140B (en) | 2015-07-21 |
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Application publication date: 20120523 |