CN100529516C - Lens for LED and led eisplay apparatus using same - Google Patents
Lens for LED and led eisplay apparatus using same Download PDFInfo
- Publication number
- CN100529516C CN100529516C CNB2007101431866A CN200710143186A CN100529516C CN 100529516 C CN100529516 C CN 100529516C CN B2007101431866 A CNB2007101431866 A CN B2007101431866A CN 200710143186 A CN200710143186 A CN 200710143186A CN 100529516 C CN100529516 C CN 100529516C
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- China
- Prior art keywords
- led
- lens
- slot part
- display unit
- panel
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/02—Simple or compound lenses with non-spherical faces
- G02B3/04—Simple or compound lenses with non-spherical faces with continuous faces that are rotationally symmetrical but deviate from a true sphere, e.g. so called "aspheric" lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/18—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical projection, e.g. combination of mirror and condenser and objective
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
- G02B6/0073—Light emitting diode [LED]
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133512—Light shielding layers, e.g. black matrix
Abstract
The invention relates to a lens for LED used for the display unit such as photoelectric board and a LED display unit using the lens for LED. The lens for LED comprises a transparent supporting element, which is hexahedron shaped; a depressed containing groove portion for containing LED on the bottom, which is cube shaped and is opening like at the lower terminal; a transparent lens portion having a half-drum type structure which is configured by cutting the drum horizontally along the length direction, at the upper terminal of the supporting portion.
Description
Technical field
The present invention relates to a kind of LED that is used for display unit such as luminous plate with lens and use the LED display unit of this lens.
Background technology
In general, luminous plate is a kind of by applying electric current and make it present the large-scale display device of desired picture to being arranged at red, green, blue look LED in a plurality of pixels with certain arrangement mode.This luminous plate is arranged on colosseum or arena, the roof of building, the displaying window of sales field, the positions such as inlet of building usually, thereby provides various images for the public.
The LED that is used for display unit utilizes in the PN junction injected minority carrier of being made by semi-conducting material (electronics or hole), and next luminous by their combination again, and LED is used widely as light-emitting component.
This LED is arranged on the LED panel that the printed circuit board (PCB) by a plurality of pixel regionizations constitutes, being provided with patterned way on this LED panel can ground connection and can apply the conducting film that drives signal, and each pixel of LED panel is provided with the red, green, blue look LED of 2 * 2 row/row.At this moment, be arranged at LED on the LED panel and can use among bulb type LED (lamp type LED) and the patch-type LED (chiptype LED) at least more than one.
These a plurality of LED by compartmentalization are adjacent and be installed on the LED panel, this LED panel that is provided with a plurality of LED are provided with the display unit that can manufacture desired size after one or more.In addition, the mutual interference of a plurality of LED when luminous that is arranged in the same pixel presents desirable color, and a plurality of pixels are assembled mutually and then presented an image.
In addition, the light emitting region of LED depends on its production process, and in general, LED is manufactured into light diffusion form.But, when being arranged on LED on the display unit, should make the light of launching from LED have direct projection, because only in this way just can make display effect distinct more, this is self-evident.
And in being provided with the display unit of a plurality of LED, because production process, the lighting angle of each LED is different, and therefore the difference that will have brightness between each key element of lighting device of LED is installed.
And then, for as outdoor luminous plate etc. can observe the display unit of image from afar, be necessary to be provided with the lens that can make the light that sends from LED have direct projection and the light of launching can be focused on general central part.
Summary of the invention
The object of the present invention is to provide a kind of LED lens that the dispersed light of launching from LED can be assembled.
Another object of the present invention is a kind of dispersed light of launching from LED can the gathering is provided and the LED lens that make it to have direct projection.
A further object of the present invention is to provide a kind of LED display unit of having used above-mentioned LED with lens.
LED provided by the invention is made by transparent material with lens, it has the diameter minimum with the left and right side, and the cylinder shape cylinder of the diameter maximum of central part cuts and the semi-cylindrical shaped structure that forms along its length direction level, and in order to hold LED on the bottom surface depression be formed with the square bodily form and lower end opening-like hold slot part.
Described LED also comprises the outside that is arranged on its left and right side with lens, and the reflection unit that can reflect the light of launching from LED.
The described slot part that holds offsets to one side and forms from the bottom center of LED lens.
The described slot part that holds forms in the bottom center of LED lens.
Described reflection unit comprises attached to the speculum on the LED usefulness lens left and right side.
Described reflection unit is that the left and right side of LED lens is painted and form.
Described reflection unit is to carry out transparent processing with lens and form to the LED between the left and right side from the slot part that holds that is holding LED.
Use LED provided by the invention comprises the LED that can launch bright dipping with the LED display unit of lens; The LED lens of making by transparent material, has diameter minimum with the left and right side, and the cylinder shape cylinder of the diameter maximum of central part cuts and the semi-cylindrical shaped structure that forms along its length direction level, and in order to hold LED on the bottom surface depression be formed with the square bodily form and lower end opening-like hold slot part; And panel, LED is installed on it, and can combines with lens with LED.
Also be provided with photomask on the described panel.
The described slot part that holds offsets to one side and forms from the bottom center of LED lens.
When being installed in the LED lens on the panel, the described slot part that holds is partial to upside from the center of LED lens and is formed.
Therefore LED provided by the invention can be refracted to the place ahead by cylindrical lens portion with the dispersed light of launching from LED with lens, is provided with this LED and can provides the picture of distinctness more with the display unit of lens.In addition, the present invention can utilize and be arranged on LED and reflex to central part with the light that the reflection unit of lens left and right sides will lose, and not only can prevent that like this loss from appearring in light, and can guarantee stable brightness.In addition, because the LED that is arranged on the panel is provided with photomask with the lens top, thereby can prevent ultraviolet injury LED lens, therefore can prolong the service life of LED with lens, and the luminance difference that can avoid sunshine to cause, therefore can provide distinct more picture.
Description of drawings
Fig. 1 is the LED provided by the invention lens first example structure stereogram.
Fig. 2 a is the lens forward structure schematic diagram of the LED shown in Fig. 1.
Fig. 2 b is a kind of structure side schematic view of lens of the LED shown in Fig. 1.
Fig. 2 c is the another kind of structure side schematic view of lens of the LED shown in Fig. 1.
Fig. 3 is LED and LED provided by the invention lens bonding state and the partial structurtes cutaway view that is installed on the LED panel.
The light accumulation process schematic diagram that Fig. 4 a to Fig. 4 c radiates with the LED the lens for the LED that provides from first embodiment of the invention.
Fig. 5 is the LED provided by the invention lens second example structure stereogram.
Fig. 6 a is the lens forward structure schematic diagram of the LED shown in Fig. 5.
Fig. 6 b is a kind of structure side schematic view of lens of the LED shown in Fig. 5.
Fig. 6 c is the another kind of structure side schematic view of lens of the LED shown in Fig. 5.
The light accumulation process schematic diagram that Fig. 7 a to Fig. 7 c radiates with the LED the lens for the LED that provides from second embodiment of the invention.
* * description of reference numerals * * *
100,300:LED lens 101: support portion
102: lens section 103,301: hold slot part
104,302: reflection unit 200:LED
201: panel 202: photomask
The specific embodiment
Below in conjunction with accompanying drawing to LED provided by the invention with lens and use the LED display unit of this lens to be elaborated.At first, it should be noted that in the inscape to each accompanying drawing and add in the process of Reference numeral, also is to use same mark as far as possible even if appear in the different accompanying drawings for identical inscape.In addition, to mention the specific factors such as composed component in many physical circuits in the following description, but this is just in order to help to understand on the whole the present invention, even if do not use these specific factors also can implement the present invention, this is self-evident for those skilled in the art.In addition, in explanation process of the present invention,, then will omit the detailed description that it is carried out to the function of related known common-sense or specifying of structure if feeling to be an impediment to understands main points of the present invention.
Fig. 1 is the LED provided by the invention lens first example structure stereogram.Fig. 2 a is the lens forward structure schematic diagram of the LED shown in Fig. 1.Fig. 2 b is a kind of structure side schematic view of lens of the LED shown in Fig. 1.Fig. 2 c is the another kind of structure side schematic view of lens of the LED shown in Fig. 1.Fig. 3 is LED and LED provided by the invention lens bonding state and the partial structurtes cutaway view that is installed on the LED panel.The light accumulation process schematic diagram that Fig. 4 a to Fig. 4 c radiates with the LED the lens for the LED that provides from first embodiment of the invention.Fig. 5 is the LED provided by the invention lens second example structure stereogram.Fig. 6 a is the lens forward structure schematic diagram of the LED shown in Fig. 5.Fig. 6 b is a kind of structure side schematic view of lens of the LED shown in Fig. 5.Fig. 6 c is the another kind of structure side schematic view of lens of the LED shown in Fig. 5.The light accumulation process schematic diagram that Fig. 7 a to Fig. 7 c radiates with the LED the lens for the LED that provides from second embodiment of the invention.
Below with reference to Fig. 1 to Fig. 4 LED provided by the invention is elaborated with lens first embodiment.
As shown in Figures 1 to 4, the LED that provides of first embodiment of the invention is had the support portion 101 of opening by shape with regular hexahedron or lineal hexahedral and front end with lens 100; With the open upper end that is formed on support portion 101, and have cylinder is cut and the lens section 102 of the semi-cylindrical shaped structure that forms constitutes along its length direction level.
Support portion 101 and lens section 102 are integrally formed, and support portion 101 has identical length and width with lens section 102.For having direct projection after the anaclasis that LED200 is sent transparent configuration is made in support portion 101 and lens section 102.
In order to hold patch-type LED in the support portion 101 inside form have a general square body structure hold slot part 103.This downside that holds slot part 103 is opening-like, and has certain degree of depth, and its size and the degree of depth corresponding to the LED200 size of being held.In the present embodiment, the degree of depth of holding slot part 103 equals the height of support portion 101.
And, hold slot part 103 and should be partial to the bottom surface of LED lens 100 and form.
The outside is the plane about support portion 101, and which is provided with and can reflect the reflection of light device of launching from LED200 104.At this moment, to make the reflection unit 104 that light reflects by the method for adhering to speculum or painted and prism and this plane treatment is become pellucidity in order to utilize.
That is, as shown in Figure 3, be installed in and be respectively equipped with LED lens 100 on a plurality of LED200 on the panel 201.At this moment, each LED200 combines with lens 100 with LED to be contained in the mode of holding in the slot part 103, and the length direction along continuous straight runs of semi-cylindrical shaped lens section 102 is provided with.After in LED200 being placed on LED usefulness lens 100, can LED is bonding with lens 100 and panel 201, certainly, can also carry out combination with other mode.In addition, the mode that also can vertically be provided with the length direction with semi-cylindrical shaped lens section 102 is combined in LED on the panel 201 with lens 100.
As mentioned above, under panel 201 and state that LED combines with lens 100, LED200 is connected power supply, so shown in Fig. 4 a and Fig. 4 b, to be gathered the inside of LED by the reflection unit 104 that is arranged on 101 outsides, support portion by LED200 emission and the light that is radiated on the support portion 101, will reflect then and forwards shine and be radiated at light on the lens section 102 with lens 100.
At this moment, owing to hold slot part 103 bottom surface near LED lens 100, therefore when be installed to LED lens 100 on the panel 201, the light of being launched by LED200 will be to user's visual direction, promptly to the lower side of panel 201 to gathering more.
Below, with reference to Fig. 5 to Fig. 7 another embodiment of the present invention is described.
To shown in Figure 6, the LED that present embodiment provides has diameter minimum with the left and right side with lens 300 as Fig. 5, and the diameter maximum of central part, and the cylinder with cylinder shape cuts and the semi-cylindrical shaped structure of formation along its length direction level.
What LED was formed with the general square bodily form that can hold patch-type LED with the bottom surface of lens 300 holds slot part 301, and this downside that holds slot part 301 is opening shape, and has certain degree of depth, and its size and the degree of depth are corresponding to the size of LED200.
In addition, holding slot part 301 should be partial to the bottom surface of LED lens 300 and form.
LED with lens 300 about the outside be the plane, and which is provided with and can reflect the reflection of light device of launching from LED200 302.At this moment, to make the reflection unit 302 that light reflects by the method for adhering to speculum or painted and prism and this plane treatment is become pellucidity in order to utilize.
That is, shown in Fig. 6 a and Fig. 6 b, be installed in and be respectively equipped with LED lens 300 on a plurality of LED200 on the panel 201.At this moment, each LED200 combines with lens 300 with LED to be contained in the mode of holding in the slot part 301, and semi-cylindrical shaped LED uses the length direction along continuous straight runs of lens 300 to be provided with.After in LED200 being placed on LED usefulness lens 300, can LED is bonding with lens 300 and panel 201.Certainly, can also carry out combination with other mode.In addition, also can be with semi-cylindrical shaped LED is combined in LED on the panel 201 with lens 300 with the mode that the length direction of lens 300 vertically is provided with.
As mentioned above, under panel 201 and state that LED combines with lens 300, LED200 is connected power supply, so shown in Fig. 7 a and Fig. 7 b, to be gathered the inside of LED owing to the effect of reflection unit 302 by LED200 emission and the light that is radiated on the reflection unit 302, will reflect then and forwards shine and be radiated at other regional light beyond the reflection unit 302 with lens 300.
At this moment, owing to hold slot part 301 bottom surface near LED lens 300, therefore when be installed to LED lens 300 on the panel 201, the light of being launched by LED200 will be to user's visual direction, promptly to the lower side of panel 201 to gathering more.
And then, will be assembled with the effect of lens 100,300 owing to LED from the light that LED200 launches, shine the place ahead then, LED is installed thus can provides distinct more picture with the display unit of lens 100,300.
In addition, be positioned at LED and be provided with photomask 202, thereby can prevent that ultraviolet injury LED from lens 100,300, can avoid the luminance difference that causes owing to sunshine simultaneously with the panel 201 of lens 100,300 tops.This photomask 202 can be separately positioned on the top of each LED with lens 100,300, also whole piece setting along its length one by one.In addition, this photomask 202 is to be to repeat in the cycle to be provided with LED with the spacing that is provided with of lens 100,300.
In the present embodiment, LED200 can use patch-type LED and bulb type LED.
As mentioned above, only describe the present invention here, but multiple other improvement structure can be arranged without departing from the scope of the invention with the foregoing description.Therefore, protection scope of the present invention is not confined on the above-mentioned embodiment that had illustrated, will claims described later and be equal within the scope of these claims but should be limited to.
Claims (11)
1, a kind of LED lens, make by transparent material, it has the diameter minimum with the left and right side, and the cylinder shape cylinder of the diameter maximum of central part cuts and the semi-cylindrical shaped structure that forms along its length direction level, and in order to hold LED on the bottom surface depression be formed with the square bodily form and lower end opening-like hold slot part.
2, LED lens according to claim 1, it is characterized in that: described LED also comprises the outside that is arranged on its left and right side with lens, and the reflection unit that can reflect the light of launching from LED.
3, LED lens according to claim 1 is characterized in that: the described slot part that holds offsets to one side and forms from the bottom center of LED lens.
4, LED lens according to claim 3 is characterized in that: the described slot part that holds forms in the bottom center of LED lens.
5, LED lens according to claim 2 is characterized in that: described reflection unit comprises attached to the speculum on the LED usefulness lens left and right side.
6, LED lens according to claim 2 is characterized in that: described reflection unit is that the left and right side of LED lens is painted and form.
7, LED lens according to claim 2 is characterized in that: described reflection unit is to carry out transparent processing with lens and form to the LED between the left and right side from the slot part that holds that is holding LED.
8, a kind of LED display unit of using LED with lens comprises the LED that can launch bright dipping; The LED lens of making by transparent material, has diameter minimum with the left and right side, and the cylinder shape cylinder of the diameter maximum of central part cuts and the semi-cylindrical shaped structure that forms along its length direction level, and in order to hold LED on the bottom surface depression be formed with the square bodily form and lower end opening-like hold slot part; And panel, LED is installed on it, and can combines with lens with LED.
9, use LED according to claim 8 is characterized in that: also be provided with photomask on the described panel with the LED display unit of lens.
10, use according to claim 8 LED is characterized in that with the LED display unit of lens: the described slot part that holds offsets to one side and forms from the bottom center of LED lens.
11, use according to claim 10 LED is characterized in that with the LED display unit of lens: when being installed in the LED lens on the panel, the described slot part that holds is partial to upside from the center of LED lens and is formed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020070063436A KR100809658B1 (en) | 2007-06-27 | 2007-06-27 | Lens for led and led display device using thereof it |
| KR1020070063436 | 2007-06-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101093067A CN101093067A (en) | 2007-12-26 |
| CN100529516C true CN100529516C (en) | 2009-08-19 |
Family
ID=38991452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101431866A Active CN100529516C (en) | 2007-06-27 | 2007-08-07 | Lens for LED and led eisplay apparatus using same |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100809658B1 (en) |
| CN (1) | CN100529516C (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8449150B2 (en) * | 2009-02-03 | 2013-05-28 | Osram Sylvania Inc. | Tir lens for light emitting diodes |
| US20120081618A1 (en) * | 2009-06-15 | 2012-04-05 | Sharp Kabushiki Kaisha | Light emitting module, illuminating device, display device, and television receiving device |
| DE102009035370A1 (en) | 2009-07-30 | 2011-02-03 | Osram Gesellschaft mit beschränkter Haftung | lamp |
| CN101639199B (en) * | 2009-08-24 | 2012-06-06 | 深圳市九拓光电有限公司 | Light-emitting diode lens and lighting device |
| CN102192469A (en) * | 2010-03-16 | 2011-09-21 | 北京奥尔环境艺术有限公司 | Optical lens and illumination lamp |
| ES2351501B1 (en) * | 2010-08-11 | 2011-12-12 | Industrias De Iluminacion Roura, S.A. | OPTICAL GROUP FOR LIGHTING OF PUBLIC LIGHTING. |
| US10147853B2 (en) | 2011-03-18 | 2018-12-04 | Cree, Inc. | Encapsulant with index matched thixotropic agent |
| US9887327B2 (en) | 2012-06-11 | 2018-02-06 | Cree, Inc. | LED package with encapsulant having curved and planar surfaces |
| US10424702B2 (en) | 2012-06-11 | 2019-09-24 | Cree, Inc. | Compact LED package with reflectivity layer |
| US10468565B2 (en) | 2012-06-11 | 2019-11-05 | Cree, Inc. | LED package with multiple element light source and encapsulant having curved and/or planar surfaces |
| US9818919B2 (en) | 2012-06-11 | 2017-11-14 | Cree, Inc. | LED package with multiple element light source and encapsulant having planar surfaces |
| US9461024B2 (en) | 2013-08-01 | 2016-10-04 | Cree, Inc. | Light emitter devices and methods for light emitting diode (LED) chips |
| WO2015017091A1 (en) * | 2013-08-01 | 2015-02-05 | Cree, Inc. | Light emitting diode package with encapsulant having curved and planar surfaces |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61113290A (en) | 1984-11-08 | 1986-05-31 | Sanyo Electric Co Ltd | Linear light source |
| US5013144A (en) | 1988-10-15 | 1991-05-07 | Hewlett-Packard Company | Light source having a multiply conic lens |
| JP2001291901A (en) | 2000-04-07 | 2001-10-19 | Yamada Shomei Kk | Lighting fitting and its manufacturing method |
| JP2004172806A (en) | 2002-11-19 | 2004-06-17 | Canon Inc | Image reader |
| KR100405453B1 (en) | 2003-07-25 | 2003-11-12 | Seoul Semiconductor Co Ltd | Chip light emitting diode(led) and manufacturing method thereof |
| KR100586968B1 (en) * | 2004-05-28 | 2006-06-08 | 삼성전기주식회사 | Led package and backlight assembly for lcd device comprising the same |
| KR100638611B1 (en) * | 2004-08-12 | 2006-10-26 | 삼성전기주식회사 | Light emitting diode having multiple lenses |
-
2007
- 2007-06-27 KR KR1020070063436A patent/KR100809658B1/en active IP Right Grant
- 2007-08-07 CN CNB2007101431866A patent/CN100529516C/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| KR100809658B1 (en) | 2008-03-05 |
| CN101093067A (en) | 2007-12-26 |
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