CN103730563A - LED support and electronic device using same - Google Patents
LED support and electronic device using same Download PDFInfo
- Publication number
- CN103730563A CN103730563A CN201310754701.XA CN201310754701A CN103730563A CN 103730563 A CN103730563 A CN 103730563A CN 201310754701 A CN201310754701 A CN 201310754701A CN 103730563 A CN103730563 A CN 103730563A
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- Prior art keywords
- catoptric arrangement
- pedestal
- black
- away
- led support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/483—Containers
- H01L33/486—Containers adapted for surface mounting
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/58—Optical field-shaping elements
- H01L33/60—Reflective elements
Abstract
An LED support comprises a base and a reflecting structure. The reflecting structure is arranged on the base, and is provided with a containing cavity which penetrates through the surface, far away from the base, of the reflecting structure and the surface, close to the base, of the reflecting structure. The height of the reflecting structure in the direction which is perpendicular to the surface, far away from the base, of the reflecting structure and the surface, close to the base, of the reflecting structure is H. The inner surface, from the end far away from the base to the end facing the base, of the reflecting structure is arranged to be black. The height of the black inner surface reflecting structure part in the direction which is perpendicular to the surface, far away from the base, of the reflecting structure and the surface, close to the base, of the reflecting structure is H0. The height of the white inner surface reflecting structure part in the direction which is perpendicular to the surface, far away from the base, of the reflecting structure and the surface, close to the base, of the reflecting structure is H-H0, and H0 is smaller than H. The LED support has high brightness and has a high contrast ratio when being applied to an LED display screen. The invention further provides an electronic device.
Description
Technical field
The present invention relates to LED technical field, particularly relate to a kind of LED support and adopt the electronic installation of this LED support.
Background technology
Full-color SMD (surface mount device, Surface Mounted Devices) LED device comprises SMD support and wafer, and SMD support is made into full-color SMD LED device through packaging technologies such as die bond, bonding wire, sealings.Full-color SMD LED device is mainly used in LED display field.
SMD support comprises pedestal and is located at the catoptric arrangement on pedestal, the color of the inner surface of SMD support directly affects the brightness of full-color SMD LED device, and the color of the outer surface of SMD support and the inner surface of catoptric arrangement directly affects the display effect of full-color SMD LED device application on LED display.
Traditional SMD support mainly adopts white PPA (poly-terephthalate p-phenylenediamine (PPD), polyphosphoric acid) injected plastics material, the outer surface of SMD support and the inner surface of catoptric arrangement are white in color, the brightness of lamp pearl is higher, but while being applied to LED display, contrast is not high, and display effect is bad.
The not high problem of contrast while being used for LED display for solving SMD support.The following method of available technology adopting: (1) is arranged to black (inner surface of catoptric arrangement is white) by catoptric arrangement away from the surface of pedestal.(2) outer surface of SMD support is all arranged to black (inner surface of catoptric arrangement is white).(3) adopt the injected plastics material of black to form SMD support, the outer surface of SMD support and the inner surface of catoptric arrangement are all black.Method (1) and (2) all raising in various degree the contrast applied on LED display of SMD LED device, but the inner surface of LED device catoptric arrangement is still white in color, the raising of contrast is lower, display effect is still not good.Method (3) is although significantly improved the contrast of SMD LED device application on LED display, effectively promote the display effect of LED display, but this kind of mode, the inner surface of catoptric arrangement is black, reflectance is poor, extinction is serious, under same drive current, and the LED device of the catoptric arrangement that brightness is white in color well below inner surface.While applying on LED display, need significantly improve drive current, to meet the brightness requirement of LED display, large driven current density will affect the useful life of LED device, cannot meet LED display instructions for use steady in a long-term.
Summary of the invention
Based on this, be necessary to provide a kind of and there is higher brightness and when being applied to LED display, there is the LED support of higher contrast and adopt the electronic installation of this LED support.
A LED support, comprising:
Pedestal; And
Catoptric arrangement, be located on described pedestal, have run through described catoptric arrangement away from the surface of described pedestal and described catoptric arrangement the surperficial containing cavity near described pedestal, described catoptric arrangement is along being H away from surface and the described catoptric arrangement of described pedestal near the height in the surperficial direction of described pedestal perpendicular to described catoptric arrangement;
Wherein, the inner surface of described catoptric arrangement is from being arranged to black away from one end of described pedestal towards one end of described pedestal, the catoptric arrangement part that inner surface is black is along being H0 away from surface and the described catoptric arrangement of described pedestal near the height in the surperficial direction of described pedestal perpendicular to described catoptric arrangement, H0 < H.
Therein in an embodiment, 1/3H≤H0≤2/3H.
In an embodiment, described containing cavity is truncated cone-shaped therein, and described containing cavity is greater than described containing cavity near the A/F of described pedestal one end away from the A/F of described pedestal one end.
In an embodiment, described catoptric arrangement is arranged to black away from the surface of described pedestal therein.
Therein in an embodiment, described pedestal comprises body and raised line, described catoptric arrangement is located on described body, and described raised line is located at described body away from the surperficial middle part of described catoptric arrangement, and the both ends of the surface of the described raised line both sides copline relative with described body respectively; Described body overlaps with the surperficial outer peripheral edges of described catoptric arrangement near described body near the surperficial outer peripheral edges of described catoptric arrangement.
In an embodiment, the sidewall of described LED support is arranged to black therein.
In an embodiment, the sidewall of described catoptric arrangement and the sidewall of described body are arranged to black therein.
In an embodiment, described catoptric arrangement comprises white inside casing and black housing therein, and described white inside casing and described black housing are located at respectively on described pedestal;
Described white inside casing is along being H1 away from surface and the described catoptric arrangement of described pedestal near the height in the surperficial direction of described pedestal perpendicular to described catoptric arrangement, described black housing is along being H away from surface and the described catoptric arrangement of described pedestal near the height in the surperficial direction of described pedestal perpendicular to described catoptric arrangement, H1 < H;
Described black housing is formed with draw-in groove on the surface near described pedestal, the sidewall of described draw-in groove and described white inside casing and described white inside casing are away from the Graphic Pattern Matching of the surface formation of described pedestal, described black housing is arranged on described white inside casing by described draw-in groove, wherein, and H0=H-H1.
Therein in an embodiment, described pedestal comprises white inner seat and black shell, described black shell has storage tank, and described white inner seat is placed in described storage tank, and described white inner seat and described black shell are near the surperficial copline of described catoptric arrangement; Described white inside casing overlaps with the outer peripheral edges of described white inner seat near the surperficial outer peripheral edges of described pedestal, and described black housing overlaps with the outer peripheral edges of described black shell near the surperficial outer peripheral edges of described pedestal.
The inner surface portion of the catoptric arrangement in above-mentioned LED support is black, and part is white in color, and the part that is black is positioned at catoptric arrangement away from one end of pedestal.Being positioned at the light that the LED wafer on pedestal emits can go out catoptric arrangement by the internal surface reflection being white in color, and with respect to the complete black catoptric arrangement of inner surface, has higher light emission rate, and luminance loss is little.And the inner surface that is black makes catoptric arrangement have black background, with respect to the complete white catoptric arrangement of inner surface, when being applied to LED display, there is higher contrast.Therefore, above-mentioned LED support has higher brightness and when being applied to LED display, has higher contrast, has taken into account brightness and contrast.
An electronic installation, comprises above-mentioned LED support.This electronic installation has higher brightness and when being applied to LED display, has higher contrast.
Accompanying drawing explanation
Fig. 1 is the attached view of the LED support of an execution mode;
Fig. 2 is the profile of the LED support in Fig. 1;
Fig. 3 is the profile of the LED support in another execution mode.
Embodiment
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.In accompanying drawing, provided preferred embodiment of the present invention.But the present invention can realize with multiple different form, is not limited to embodiment described herein.On the contrary, providing the object of these embodiment is to make to the understanding of disclosure of the present invention more thoroughly comprehensively.
It should be noted that, when unit is called as " being fixed on " another unit, can directly can there is unit placed in the middle in it on another unit or also.When a unit is considered to " connection " another unit, it can be directly connected to another unit or may have unit placed in the middle simultaneously.
Unless otherwise defined, all technology of using are herein identical with the implication that belongs to the common understanding of those skilled in the art of the present invention with scientific terminology.The term using in specification of the present invention herein, just in order to describe the object of specific embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
As shown in Figures 1 and 2, the LED support 10 of an execution mode, comprises pedestal 100, catoptric arrangement 200 and metal pins 300.In the present embodiment, LED support 10 is full-color SMD LED support.
In the present embodiment, containing cavity 220 is truncated cone-shaped, and containing cavity 220 is greater than containing cavity 220 near the A/F of pedestal 100 one end away from the A/F of pedestal 100 one end.The inner surface that is appreciated that catoptric arrangement 200 need to reflect light, so that catoptric arrangement 200 has higher light emission rate.Containing cavity 220 can be also other shapes, can make catoptric arrangement 200 have higher light emission rate.
Wherein, the inner surface of catoptric arrangement 200 is from being arranged to black away from one end of pedestal 100 towards one end of pedestal 100, and the catoptric arrangement part 230 that inner surface is black is along being H0 away from surface and the catoptric arrangement 200 of pedestal 100 near the height in the surperficial direction of pedestal 100 perpendicular to catoptric arrangement 200.The catoptric arrangement part 240 that inner surface is white in color is along being H-H0 away from surface and the catoptric arrangement 200 of pedestal 100 near the height in the surperficial direction of pedestal 100 perpendicular to catoptric arrangement 200, H0 < H.
In the present embodiment, pedestal 100 is formed by white PPA injected plastics material injection moulding with catoptric arrangement 200.On inner surface by the catoptric arrangement 200 white, apply black ink layer, the part inner surface of catoptric arrangement 200 can be arranged to black.
Further, in the present embodiment, catoptric arrangement 200 is arranged to black away from the surface 210 of pedestal 100.Further increase the black background of LED support 10, to improve its contrast when being applied to LED display.
Further, in the present embodiment, body 110 overlaps with the surperficial outer peripheral edges of catoptric arrangement 200 near body 110 near the surperficial outer peripheral edges of catoptric arrangement 200.The sidewall of LED support 10 is arranged to black.Further increase the black background of LED support 10, to improve its contrast when being applied to LED display.Be appreciated that in other embodiments, body 110 can not overlap with the surperficial outer peripheral edges of catoptric arrangement 200 near body 110 near the surperficial outer peripheral edges of catoptric arrangement 200 yet.When catoptric arrangement 200 near the surperficial outer peripheral edges of body 110, be positioned at body 110 near the surface of catoptric arrangement 200 on time, body 110 can be arranged to black near surperficial outer peripheral edges and the catoptric arrangement 200 of catoptric arrangement 200 near the part surface between the surperficial outer peripheral edges of body 110 at body 110.
Further, based on material cost and processing cost, in the present embodiment, the sidewall of the sidewall of catoptric arrangement 200 and body 110 is arranged to black, and the both ends of the surface of raised line 120 is not arranged to black.Be appreciated that in other embodiments, also the diapire of pedestal 100 can be arranged to black.
As shown in Figure 3, in other embodiments, also can adopt double-shot moulding technology to prepare LED support 10.
White inside casing 250 is along being H1 with catoptric arrangement 200 near the height in the surperficial direction of pedestal 100 away from the surface 210 of pedestal 100 perpendicular to catoptric arrangement 200, black housing 260 is along being H with catoptric arrangement 200 near the height in the surperficial direction of pedestal 100 away from the surface 210 of pedestal 100 perpendicular to catoptric arrangement 200, H1 < H.
On the surface of black housing 260 near pedestal 100, be formed with draw-in groove (figure is mark not), the sidewall of draw-in groove and white inside casing 250 and white inside casing 250 are away from the surface matching of pedestal 100.Black housing 260 is arranged on white inside casing 250 by draw-in groove, wherein, and H0=H-H1.
Further, in the present embodiment, pedestal 100 comprises white inner seat 130 and black shell 140.Black shell 140 has storage tank, and white inner seat 130 is placed in storage tank, and white inner seat 130 and the surperficial copline of black shell 140 near catoptric arrangement 200.White inside casing 250 overlaps with the outer peripheral edges of white inner seat 130 near the surperficial outer peripheral edges of pedestal 100, and black housing 260 overlaps with the outer peripheral edges of black shell 140 near the surperficial outer peripheral edges of pedestal 100.
In the present embodiment, white inside casing 250 is formed by white PPA injected plastics material injection moulding with white inner seat 130.Black housing 260 and the PVC(polyvinyl chloride of black shell 140 by black, Polyvinyl chloride polymer) injected plastics material injection moulding formation.
Further, in this enforcement side, when H0 and H meet following relation: during 1/3H≤H0≤2/3H, above-mentioned LED support 10 can better be taken into account brightness and contrast.
The inner surface portion of the catoptric arrangement 200 in above-mentioned LED support 10 is black, and part is white in color, and the part that is black is positioned at catoptric arrangement 200 away from one end of pedestal 100.Be positioned at the light that the LED wafer on pedestal 100 emits and can go out by the internal surface reflection being white in color catoptric arrangement 200, with respect to the complete black catoptric arrangement of inner surface, have higher light emission rate, luminance loss is little.And the inner surface that is black makes catoptric arrangement 200 have black background, with respect to the complete white catoptric arrangement of inner surface, when being applied to LED display, there is higher contrast.Therefore, above-mentioned LED support 10 has higher brightness and when being applied to LED display, has higher contrast, has taken into account brightness and contrast.
In the present embodiment, also provide a kind of electronic installation that comprises above-mentioned LED support 10.This electronic installation has higher brightness and when being applied to LED display, has higher contrast.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a LED support, is characterized in that, comprising:
Pedestal; And
Catoptric arrangement, be located on described pedestal, have run through described catoptric arrangement away from the surface of described pedestal and described catoptric arrangement the surperficial containing cavity near described pedestal, described catoptric arrangement is along being H away from surface and the described catoptric arrangement of described pedestal near the height in the surperficial direction of described pedestal perpendicular to described catoptric arrangement;
Wherein, the inner surface of described catoptric arrangement is from being arranged to black away from one end of described pedestal towards one end of described pedestal, the catoptric arrangement part that inner surface is black is along being H0 away from surface and the described catoptric arrangement of described pedestal near the height in the surperficial direction of described pedestal perpendicular to described catoptric arrangement, catoptric arrangement that inner surface is white in color part is along being H-H0 away from surface and the described catoptric arrangement of described pedestal near the height in the surperficial direction of described pedestal perpendicular to described catoptric arrangement, H0 < H.
2. LED support according to claim 1, is characterized in that, 1/3H≤H0≤2/3H.
3. LED support according to claim 1, is characterized in that, described containing cavity is truncated cone-shaped, and described containing cavity is greater than described containing cavity near the A/F of described pedestal one end away from the A/F of described pedestal one end.
4. LED support according to claim 1, is characterized in that, described catoptric arrangement is arranged to black away from the surface of described pedestal.
5. LED support according to claim 1, it is characterized in that, described pedestal comprises body and raised line, described catoptric arrangement is located on described body, described raised line is located at described body away from the surperficial middle part of described catoptric arrangement, and the both ends of the surface of the described raised line both sides copline relative with described body respectively; Described body overlaps with the surperficial outer peripheral edges of described catoptric arrangement near described body near the surperficial outer peripheral edges of described catoptric arrangement.
6. LED support according to claim 5, is characterized in that, the sidewall of described LED support is arranged to black.
7. LED support according to claim 5, is characterized in that, the sidewall of described catoptric arrangement and the sidewall of described body are arranged to black.
8. LED support according to claim 1, is characterized in that, described catoptric arrangement comprises white inside casing and black housing, and described white inside casing and described black housing are located at respectively on described pedestal;
Described white inside casing is along being H1 away from surface and the described catoptric arrangement of described pedestal near the height in the surperficial direction of described pedestal perpendicular to described catoptric arrangement, described black housing is along being H away from surface and the described catoptric arrangement of described pedestal near the height in the surperficial direction of described pedestal perpendicular to described catoptric arrangement, H1 < H;
Described black housing is formed with draw-in groove on the surface near described pedestal, the sidewall of described draw-in groove and described white inside casing and described white inside casing are away from the Graphic Pattern Matching of the surface formation of described pedestal, described black housing is arranged on described white inside casing by described draw-in groove, wherein, and H0=H-H1.
9. LED support according to claim 8, it is characterized in that, described pedestal comprises white inner seat and black shell, described black shell has storage tank, described white inner seat is placed in described storage tank, and described white inner seat and described black shell are near the surperficial copline of described catoptric arrangement; Described white inside casing overlaps with the outer peripheral edges of described white inner seat near the surperficial outer peripheral edges of described pedestal, and described black housing overlaps with the outer peripheral edges of described black shell near the surperficial outer peripheral edges of described pedestal.
10. an electronic installation, is characterized in that, comprises LED support as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310754701.XA CN103730563B (en) | 2013-12-31 | 2013-12-31 | LED support and the electronic installation using the LED support |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310754701.XA CN103730563B (en) | 2013-12-31 | 2013-12-31 | LED support and the electronic installation using the LED support |
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| Publication Number | Publication Date |
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| CN103730563A true CN103730563A (en) | 2014-04-16 |
| CN103730563B CN103730563B (en) | 2017-04-05 |
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| CN201310754701.XA Active CN103730563B (en) | 2013-12-31 | 2013-12-31 | LED support and the electronic installation using the LED support |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10373535B2 (en) | 2013-12-31 | 2019-08-06 | Ultravision Technologies, Llc | Modular display panel |
| US10706770B2 (en) | 2014-07-16 | 2020-07-07 | Ultravision Technologies, Llc | Display system having module display panel with circuitry for bidirectional communication |
| US10871932B2 (en) | 2013-12-31 | 2020-12-22 | Ultravision Technologies, Llc | Modular display panels |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201715392U (en) * | 2010-08-20 | 2011-01-19 | 深圳路升光电科技有限公司 | All-color surface mounting component with external black and internal white square cup style |
| CN201804915U (en) * | 2010-12-17 | 2011-04-20 | 深圳雷曼光电科技股份有限公司 | LED and LED support |
| CN201975420U (en) * | 2011-01-13 | 2011-09-14 | 苏州泰嘉电子有限公司 | Bracket structure of surface mounted device (SMD) light-emitting diode |
| CN102655190A (en) * | 2012-03-23 | 2012-09-05 | 广东长盈精密技术有限公司 | LED (light-emitting diode) support manufacturing method |
| CN102779926A (en) * | 2012-08-02 | 2012-11-14 | 慧明光电(深圳)有限公司 | Waterproof watch patch LED (light emitting diode) lamp with high-contract ratio |
| CN203690339U (en) * | 2013-12-31 | 2014-07-02 | 深圳雷曼光电科技股份有限公司 | LED support and electronic device using same |
-
2013
- 2013-12-31 CN CN201310754701.XA patent/CN103730563B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201715392U (en) * | 2010-08-20 | 2011-01-19 | 深圳路升光电科技有限公司 | All-color surface mounting component with external black and internal white square cup style |
| CN201804915U (en) * | 2010-12-17 | 2011-04-20 | 深圳雷曼光电科技股份有限公司 | LED and LED support |
| CN201975420U (en) * | 2011-01-13 | 2011-09-14 | 苏州泰嘉电子有限公司 | Bracket structure of surface mounted device (SMD) light-emitting diode |
| CN102655190A (en) * | 2012-03-23 | 2012-09-05 | 广东长盈精密技术有限公司 | LED (light-emitting diode) support manufacturing method |
| CN102779926A (en) * | 2012-08-02 | 2012-11-14 | 慧明光电(深圳)有限公司 | Waterproof watch patch LED (light emitting diode) lamp with high-contract ratio |
| CN203690339U (en) * | 2013-12-31 | 2014-07-02 | 深圳雷曼光电科技股份有限公司 | LED support and electronic device using same |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10373535B2 (en) | 2013-12-31 | 2019-08-06 | Ultravision Technologies, Llc | Modular display panel |
| US10380925B2 (en) | 2013-12-31 | 2019-08-13 | Ultravision Technologies, Llc | Modular display panel |
| US10410552B2 (en) | 2013-12-31 | 2019-09-10 | Ultravision Technologies, Llc | Modular display panel |
| US10540917B2 (en) | 2013-12-31 | 2020-01-21 | Ultravision Technologies, Llc | Modular display panel |
| US10871932B2 (en) | 2013-12-31 | 2020-12-22 | Ultravision Technologies, Llc | Modular display panels |
| US10706770B2 (en) | 2014-07-16 | 2020-07-07 | Ultravision Technologies, Llc | Display system having module display panel with circuitry for bidirectional communication |
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| CN103730563B (en) | 2017-04-05 |
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