CN202017952U - Glare-free desk lamp - Google Patents
Glare-free desk lamp Download PDFInfo
- Publication number
- CN202017952U CN202017952U CN2011200449578U CN201120044957U CN202017952U CN 202017952 U CN202017952 U CN 202017952U CN 2011200449578 U CN2011200449578 U CN 2011200449578U CN 201120044957 U CN201120044957 U CN 201120044957U CN 202017952 U CN202017952 U CN 202017952U
- Authority
- CN
- China
- Prior art keywords
- desk lamp
- lgp
- free
- lamp according
- glare
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S6/00—Lighting devices intended to be free-standing
- F21S6/002—Table lamps, e.g. for ambient lighting
- F21S6/003—Table lamps, e.g. for ambient lighting for task lighting, e.g. for reading or desk work, e.g. angle poise lamps
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- 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]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model provides a glare-free desk lamp, and relates to a desk lamp taking an LED as a light source. The desk lamp is glare-free, and overcomes the defect that the traditional desk lamp is harmful to human eyes. The desk lamp includes an LED circuit module and a light guide plate; the light guide plate includes an emergent light surface, a back surface opposite to the emergent light surface, and side surfaces taken as side incident light surfaces; a sunk groove is arranged on the back surface of the light guide plate and has the trend identical with the side surface; the back surface is completely coated with reflectorized paint; and the LED circuit module is light guide plate side incident light sources arranged on the two side surfaces of the light guide plate.
Description
Technical field
The utility model relates to a kind of desk lamp, particularly relates to the desk lamp as light source with LED.
Background technology
The structure of existing LED desk lamp is that the led circuit module is directly installed on the radiator, and LED is arranged on the back of lampshade.Such desk lamp is owing to the desk lamp of light by spot light sends, and it is very dazzling dazzling.Prior art can adopt the structure that lampshade is designed to lenslet array usually in order to reduce the stimulation of LED to human eye, perhaps uses frosted glass to make lens.
The utility model content
Technical problem to be solved in the utility model is: a kind of LED desk lamp is provided, and this not dazzle of desk lamp overcomes the injury defective of traditional desk lamp to human eye.
In order to solve above-mentioned technical problem, the utility model proposes a kind of free from glare desk lamp, comprise the led circuit module, and LGP; Described LGP comprises exiting surface, with the exiting surface opposing backside surface with as the side of side entering type incidence surface; The groove of a depression is arranged on the back side of described LGP, and the trend of this groove is consistent with described side; Integral body scribbles reflectorised paint on the described back side; Described led circuit module is described LGP side entering type light source, is located at described two sides of LGP.
Preferably: described groove is positioned at the centre position at the described LGP back side.When the LGP two sides were provided with light source, this structure can make luminous even.If groove is not located in the middle of the LGP back side, the axis is offset to some extent relatively, then more is applicable to asymmetric luminous situation.
Preferably: described reflectorised paint is the milky reflectorised paint.If LGP is applied on the decorative light-source, reflectorised paint can also be a color such as silvery white, yellow, pink, so that different illumination and decoration effects to be provided.
Preferably: the V-shaped shape in the cross section of described groove.The near more then light by this V-arrangement reflection of the most advanced and sophisticated distance from bottom exiting surface of this V-arrangement is many more, but the intensity of LGP is weakened, middle easily fractureing.
Preferably: the limit of the V-arrangement in described cross section and described side are 45 ° of angles.Under the exiting surface of the LGP situation parallel with the back side, incident ray can just in time vertically be penetrated by exiting surface in place, the limit reflection of V-arrangement, has reduced the loss of light in LGP, has increased light emission rate.
Preferably: described reflectorised paint is multilayer coated structure.
Preferably: the zones of different at the described back side is coated with the reflectorised paint of different colours.
Preferably: the material of described LGP is an acrylic material.
Preferably: described led circuit module is fixed on the aluminium radiator.When the power of desk lamp is bigger, must use radiator.Usually radiator is that aluminium gets final product.
Preferably: above the described LGP back side, radiator fan is installed.
The beneficial effects of the utility model:
Compared to existing technology, the light that the important technology characteristics just are to use LGP to disperse led light source to send of the present utility model.Light conducting plate structure of the present utility model is more special, directly having increased reflective enamelled coating at the back side of LGP exactly is used for reflective, the reflective membrane that is located at the catheter plate back or the mirror construction of prior art have been substituted, in order to strengthen light emission rate, make LGP more practical, also designed a kind of groove structure at the LGP back side, the wall of this groove can reflex to exiting surface with the light of side, a part of directive opposite, penetrate by exiting surface, thereby improved the light emission rate of LGP.The utility model is the reflective light conducting plate structure of a kind of straight-down negative, it can substitute the structure of existing LGP in conjunction with reflectance coating, speculum fully, and meet or exceed the light emission rate of prior art, compared to existing technology, also has thinner design, therefore simpler structure can be saved cost and be reduced to use the thickness of the lighting device of this LGP.The light that desk lamp of the present utility model sends is bright soft, not dazzling dazzling, helps the health of human eye, health environment-friendly.
Description of drawings
Fig. 1 is the three-dimensional structure diagram of LGP of the present utility model.
Fig. 2 is cross-sectional structure figure of the present utility model.
The specific embodiment
The utility model proposes a kind of free from glare desk lamp, it comprises the led circuit module, and LGP; LGP comprises exiting surface, with the exiting surface opposing backside surface with as the side of side entering type incidence surface; The groove of a depression is arranged on the back side of LGP, and the trend of this groove is consistent with the side; Go up integral body overleaf and scribble reflectorised paint; The led circuit module is a LGP side entering type light source, is located at two sides of LGP.
An embodiment of the present utility model as depicted in figs. 1 and 2.4 places, two sides of LGP 1 are provided with led circuit module 6, the aluminium radiator are installed can for led circuit module 6, to strengthen heat radiation, prolong the service life of lamp.LGP 1 is an important feature of the present utility model.
This LGP 1 is used LGP for illumination, also can be characterized in light utilization efficiency height, ultra-thin and simple structure as the LGP of backlight.
This LGP 1 comprises exiting surface 2, with exiting surface 2 opposing backside surface 3 with as the side 4 of side entering type incidence surface, and the groove 5 that a depression is arranged on the back side 3 of LGP, the trend of this groove 5 is consistent with side 4.Integral body scribbles reflectorised paint 7 on 3 overleaf
Groove 5 is positioned at the centre position at the LGP back side 3.When LGP two sides 4 were provided with light source, this structure can make luminous even.If groove 5 is not located at the centre at the LGP back side 3, axis 8 is offset to some extent relatively, then more is applicable to asymmetric luminous situation.Other flexible designs are as designing the deep mixed groove structure in the of many overleaf, also in protection domain of the present utility model.
The V-shaped shape in the cross section of groove 5.The near more then light by this V-arrangement reflection of the most advanced and sophisticated distance from bottom exiting surface of this V-arrangement is many more, but the intensity of LGP is weakened, middle easily fractureing.The bottom of V-shaped groove is preferably arc and connects but not the pointed end, V-shaped groove limit and catheter plate back side arc transition.The limit 500 and the side 4 of V-arrangement are 45 ° of angles.Under the parallel situation in the exiting surface 2 of LGP and the back side 3, incident ray can just in time vertically be penetrated by exiting surface in place, the limit reflection of V-arrangement, reduce the loss of light in LGP, has increased light emission rate.Arrow line is expressed as the route of light 9 among Fig. 2.The embodiment of Fig. 1 and Fig. 2 is the cuboid case for profile, and the contour shape of LGP also can be designed to other shapes such as wedge shape as required, can make different change designs according to the application of LGP.
As the desk lamp of reading and writing, this example can be used the bigger white LED lamp of power.Therefore, need to be equipped with the radiator of big area of dissipation.If desk lamp is as just night illumination usefulness, and it goes without doing reading and writing, it also can use the LED of smaller power, and color LED, and at this moment, LED can be integrated on the FPC, can not need radiator simultaneously.
Because above-mentioned LGP, led circuit module all are arranged in the shell of desk lamp, therefore, above the LGP back side radiator fan are installed, be used for strengthening heat radiation.
Claims (10)
1. a free from glare desk lamp comprises the led circuit module, it is characterized in that also comprising LGP; Described LGP comprises exiting surface, with the exiting surface opposing backside surface with as the side of side entering type incidence surface; The groove of a depression is arranged on the back side of described LGP, and the trend of this groove is consistent with described side; Integral body scribbles reflectorised paint on the described back side;
Described led circuit module is described LGP side entering type light source, is located at described two sides of LGP.
2. free from glare desk lamp according to claim 1 is characterized in that: described groove is positioned at the centre position at the described LGP back side.
3. free from glare desk lamp according to claim 1 is characterized in that: described reflectorised paint is the milky reflectorised paint.
4. free from glare desk lamp according to claim 1 is characterized in that: the V-shaped shape in the cross section of described groove.
5. free from glare desk lamp according to claim 4 is characterized in that: the limit of the V-arrangement in described cross section and described side are 45 ° of angles.
6. free from glare desk lamp according to claim 1 is characterized in that: described reflectorised paint is multilayer coated structure.
7. free from glare desk lamp according to claim 1 is characterized in that: the zones of different at the described back side is coated with the reflectorised paint of different colours.
8. free from glare desk lamp according to claim 1 is characterized in that: the material of described LGP is an acrylic material.
9. free from glare desk lamp according to claim 1 is characterized in that: described led circuit module is fixed on the aluminium radiator.
10. free from glare desk lamp according to claim 1 is characterized in that: above the described LGP back side radiator fan is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200449578U CN202017952U (en) | 2011-02-23 | 2011-02-23 | Glare-free desk lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200449578U CN202017952U (en) | 2011-02-23 | 2011-02-23 | Glare-free desk lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202017952U true CN202017952U (en) | 2011-10-26 |
Family
ID=44811622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200449578U Expired - Fee Related CN202017952U (en) | 2011-02-23 | 2011-02-23 | Glare-free desk lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202017952U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434812A (en) * | 2012-01-13 | 2012-05-02 | 苏州茂立光电科技有限公司 | Light source module |
| CN103388752A (en) * | 2012-07-31 | 2013-11-13 | 厦门伟然科技有限公司 | Light guide bar-type LED (light emitting diode) daylight lamp |
| CN104977650A (en) * | 2015-06-30 | 2015-10-14 | 欧普照明股份有限公司 | Optical switching device and straight-down type LED lamp with same |
-
2011
- 2011-02-23 CN CN2011200449578U patent/CN202017952U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434812A (en) * | 2012-01-13 | 2012-05-02 | 苏州茂立光电科技有限公司 | Light source module |
| CN103388752A (en) * | 2012-07-31 | 2013-11-13 | 厦门伟然科技有限公司 | Light guide bar-type LED (light emitting diode) daylight lamp |
| CN104977650A (en) * | 2015-06-30 | 2015-10-14 | 欧普照明股份有限公司 | Optical switching device and straight-down type LED lamp with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20111026 Termination date: 20150223 |
|
| EXPY | Termination of patent right or utility model |