CN2864333Y - Flat source device for LED - Google Patents
Flat source device for LED Download PDFInfo
- Publication number
- CN2864333Y CN2864333Y CNU2005201278330U CN200520127833U CN2864333Y CN 2864333 Y CN2864333 Y CN 2864333Y CN U2005201278330 U CNU2005201278330 U CN U2005201278330U CN 200520127833 U CN200520127833 U CN 200520127833U CN 2864333 Y CN2864333 Y CN 2864333Y
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- CN
- China
- Prior art keywords
- pedestal
- zone
- supply apparatus
- light supply
- plane light
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Abstract
The utility model relates to a plane LED light source device. A base is designed to contain at least one luminescent bare crystal and provide the heat dissipation function. At least one implantation area containing luminescent crystal is formed on the upper end face of the base. Fluorescent sheets are basically arranged in the implantation areas. The fluorescent sheets are pre-fabricated (in advance), with high surface smoothness and not affecting the luminescent light evenness of luminescent bare crystals in the implantation areas. Moreover, the fluorescent sheets are made of fluorescent material, adjusting the luminescent color of luminescent bare crystals into a special light color, with the function of protecting the luminescent bare crystals, and the effect to allow the plane LED light source device to be high in light evenness.
Description
Technical field
The invention relates to a kind of LED plane light supply apparatus, especially about a kind of LED plane light supply apparatus with uniform planar light source.
Background technology
Light emitting diode is widely used on the light fixture at present, and various LED light lamps or module are also proposed successively, and adopt the device of light emitting diode at present as light source, at first the problem that will overcome is nothing but weak heat-dissipating and the not good shortcoming of outgoing light homogeneity.
The applicant also proposes the novel patent application (application number is 200520017779.4) of a group-wise led configurations at present to Patent Office of the People's Republic of China, a kind of structure of plane light source module is disclosed, the problem that overcomes low-light level, labyrinth and the weak heat-dissipating of traditional light-emitting diode (LED) module with minimum assembly is provided, please refer to shown in Figure 9, be the structural representation of this application file plane light source module (50), it mainly comprises:
One pedestal (51), its upper surface (511) are formed with at least one implantation zone (513);
At least one luminous naked crystalline substance (52) is that the correspondence that is contained in pedestal (51) is implanted in the zone (513);
One protective clear layer (53) is that involution is being implanted zone (513) and pedestal upper surface (513); And
One optical concentration assembly (54) is provided in a side of the upper surface (511) of pedestal (51).
The upper surface of above-mentioned led module base (51) is contained in wherein for luminous naked crystalline substance (52) because of being formed with at least one implantation zone (513), is formed with a plurality of projections (514) again in the lower surface, so can improve radiating effect by increasing area of dissipation.In addition, this pedestal (51) upper surface is equipped with an optical concentration assembly (54), then can be further each be implanted the light that penetrates in zone (513) and assemble, and strengthens the luminous intensity that goes out of the present invention.Therefore, these application documents can utilize minimum assembly to overcome the problems such as low-light level, labyrinth and weak heat-dissipating of light-emitting diode (LED) module really.
But; though this light-emitting diode (LED) module solves heat dissipation problem; improving the space but still have, promptly implanting protective clear layer on zone and the pedestal in order to involution, is liquid when making; after pouring into brilliant groove, wait for and solidifying; can reach the involution effect, but adopt the processing procedure of liquid curing involution, can't accurately control the flatness of this protective clear layer usually; make that the light uniformity of the light bar led module that actual fabrication is produced is not best, so be necessary further improvement.
The utility model content
Therefore, the invention provides and a kind ofly have the high light uniformity and with high light gathering, simple in structure, LED plane light supply apparatus that heat-sinking capability is good.
The employed major technique means of wanting to achieve the above object be make this LED plane light supply apparatus comprise a pedestal, with the heat radiation purposes be fixed on this pedestal with define a framework of implanting the zone, at least one is placed in luminous naked crystalline substance, a fluorescence thin section and an optical concentration assembly on this pedestal;
The definition of said base upper surface has one to implant the zone, be placed in wherein for luminous naked crystalline substance, and the lower surface can further be formed with a plurality of projections, and improving increases area of dissipation.This fluorescence thin section cooperates similar fixing means such as transparent resin to be arranged on respectively to implant in the zone, with the luminous naked crystalline substance in each brilliant cup of involution, this fluorescence thin section is that flatness is good so can guarantee its upper surface, and improves the uniformity that radiant because of moulding in advance again; And, by adding the fluorescence material, adjust luminous photochromicly, be to achieve many things at one stroke.In addition,, then can be further each be implanted the light that penetrates in the zone and assemble, strengthen the luminous intensity that goes out of the present invention because this pedestal upper surface is equipped with an optical concentration assembly.
Therefore, the present invention not only can utilize minimum assembly, overcomes the problems such as low-light level, labyrinth and weak heat-dissipating of light-emitting diode (LED) module, also passes through the fluorescence thin section of moulding in advance, with the outgoing light homogeneity raising of LED plane light supply apparatus.
Description of drawings
Fig. 1 is the three-dimensional exploded view of the present invention's first preferred embodiment.
Fig. 2 is the part section enlarged drawing of the present invention's first preferred embodiment.
Fig. 3 is the three-dimensional exploded view of the present invention's second preferred embodiment.
Fig. 4 is the profile of the present invention's the 3rd preferred embodiment.
Fig. 5 is the exploded view of the present invention's the 4th preferred embodiment.
Fig. 6 is the stereo appearance figure of the present invention's the 5th preferred embodiment.
Fig. 7 is the stereo appearance figure of the present invention's the 6th preferred embodiment.
Fig. 8 is the stereo appearance figure of the present invention's the 7th preferred embodiment.
Fig. 9 is the structural representation of a plane light source module.
The primary clustering symbol description
(10) LED plane light supply apparatus
(11) pedestal (11a) pedestal
(111) lower surface, upper surface (112)
(113) implant zone (114) projection
(114a) projection (114b) projection
(115) framework (115a) protuberance
(12) luminous naked crystalline substance (13) fluorescence thin section
(14) optical concentration assembly (15) adhesive agent
(50) LED plane light source module
(51) pedestal (511) upper surface
(512) lower surface (513) implant the zone
(514) the luminous naked crystalline substance of projection (52)
(53) protective clear layer (54) optical concentration assembly
The specific embodiment
At first please refer to Figure 1 and Figure 2, be the present invention's first preferred embodiment, it comprises:
One pedestal (11), it includes a upper surface (111) and lower surface (112);
One framework (115), it is fixed on this pedestal (111) upper surface, makes this pedestal upper surface (111) define one and implants zone (113), and be formed with power circuit on implantation zone (113);
A plurality of luminous naked crystalline substances (12), it is fixed in this implantation zone, and is electrically connected with power circuit;
One fluorescence thin section (13), it is fixed in the implantation zone (113) of this pedestal (11); And
One optical concentration assembly (14), it cooperates adhesive agent (15) to paste on this framework (115), and optical concentration assembly (14) can be lens.
Above-mentioned LED plane light supply apparatus (10) adopts ccontaining pedestal and the heat abstractor of pedestal (11) while as luminous naked crystalline substance (12), and for the light source that disperses to be arranged on the last luminous naked crystalline substance (12) of pedestal (11) is effectively assembled, in pedestal (11) upper surface one optical concentration assembly (14) is set especially, make each implant luminous naked crystalline substance (12) sends in the zone (113) light through optical concentration assembly (14), can concentrate, to strengthen luminous intensity of the present invention.
In addition, the present invention adopts the fluorescence thin section (13) of moulding in advance especially, be arranged on each corresponding implantation in the zone (113), with the luminous naked crystalline substance of involution (12), because fluorescence thin section (13) moulding in advance, so can guarantee its optimum flatness, so, can guarantee that each implantation zone (113) goes out the radiant uniformity for best.And, because this fluorescence thin section (13) has the fluorescence material, so the light source light tone that luminous naked crystalline substance (12) sends can be made into different photochromic.
Please refer to shown in Figure 3ly, it is second preferred embodiment of the present invention, and it is identical with the foregoing description structure major part, but this pedestal (11) area is bigger, and a plurality of naked crystalline substance (12) is several and is arranged in parallel within and implants in the zone (113).
Please refer to shown in Figure 4ly, be the 3rd preferred embodiment of the present invention, it includes:
One pedestal (11), it comprises upper surface (111) and lower surface (112), and this upper surface (111) directly are arranged with one downwards and implant zone (113), and projection is called protuberance (115a) relatively; And this lower surface (112) can further be formed with a plurality of projections (114) or groove, to increase the following table area, help the effect of quickening to dispel the heat; And pedestal of the present invention (11) can adopt metal material (as aluminium, copper etc.) or high thermal conductivity coefficient material (as pottery, alloy etc.);
A plurality of luminous naked crystalline substances (12), it is contained in the implantation zone (113) of pedestal upper surface (111);
One fluorescence thin section (13), it is arranged on implants in the zone (113), is positioned at the naked crystalline substance (12) in territory, implantation region (113) with protection, is to be formed with transparent resin between the wherein luminous naked crystalline substance (12), implants in regional (113) so that fluorescence thin section is fixed on;
One optical concentration assembly (14), the upper surface (111) that it is located at this pedestal (11) can cooperate adhesive agent (15) to be coated on the protuberance (115a) of pedestal (11), and optical concentration assembly (14) is binded in pedestal upper surface (111).
Please refer to shown in Figure 5ly, it is the 4th preferred embodiment of the present invention, and it is mainly gone up direct indent at pedestal (11) and is formed with a plurality of implantation zones (113), and each is implanted in regional (113) and is equipped with a plurality of luminous naked crystalline substances (12) and a plurality of fluorescence thin section (13).
As Fig. 4 and shown in Figure 6, the lower end of pedestal of the present invention (11) and (111) a plurality of projections (114) are arranged side by side, and be a long rectangle strip, again as shown in Figure 7, be another preferred embodiment of the present invention, its pedestal (11) is similarly an elongate in shape, but a plurality of projections (114a) and coming on its lower surface (112), and it is a wavy strip.Please refer to shown in Figure 8ly again, be the another preferred embodiment of the present invention, its pedestal (11a) is that a larger area is long rectangular-shaped, and a plurality of projections (114b) of its lower surface then are the sawtooth strip.Disclosed a plurality of embodiment disclosures as can be known thus, pedestal of the present invention (11) and lower surface projection (114) thereof (114a) (114b) are not restricted to given shape, and a plurality of projections of preceding each embodiment also can be interconnected with one another, and constitute a mesh shape.
As shown in the above description, pedestal of the present invention is with ccontaining luminous naked crystalline substance and heat radiation purposes, cooperate the optical concentration assembly then the naked brilliant light that is interspersed on the pedestal can be assembled, and reinforcement bright dipping briliancy, so the present invention can provide a kind of with high brightness, the simple in structure and good light-emitting diode (LED) module that dispels the heat really, particularly the present invention more helps to improve outgoing light homogeneity by the fluorescence thin section of moulding in advance, and it is photochromic to adjust bright dipping.
Claims (10)
1. LED plane light supply apparatus, it includes:
One pedestal, it includes a upper surface and a lower surface;
One framework, it is fixed on this pedestal upper surface, makes this pedestal upper surface define one and implants the zone, and be formed with power circuit on this implantation zone;
A plurality of luminous naked crystalline substances, it is fixed in this implantation zone, and is electrically connected with power circuit;
One fluorescence thin section, it is moulding in advance, and is fixed in the implantation zone of this pedestal; And
One optical concentration assembly, it cooperates adhesive agent to paste on this framework.
2. LED plane light supply apparatus as claimed in claim 1, the lower surface of this pedestal is formed with a plurality of projections.
3. LED plane light supply apparatus as claimed in claim 1, this optical concentration assembly is lens.
4. LED plane light supply apparatus as claimed in claim 1, each is implanted between the interior luminous naked crystalline substance in zone and is formed with transparent resin, implants in the zone so that fluorescence thin section is fixed on.
5. as each described LED plane light supply apparatus of claim 1 to 4, this pedestal is the high thermal conductivity coefficient material.
6. LED plane light supply apparatus, it comprises:
One pedestal, it includes a upper surface and a lower surface, and this upper surface is concaved with at least one implantation zone, and the relative salient position in upper surface is a protuberance;
At least one luminous naked crystalline substance, its correspondence that is contained in pedestal is implanted in the zone;
At least one fluorescence thin section, it is contained in each corresponding implantation in the zone, and each implants a plurality of luminous naked crystalline substance in zone with involution;
One optical concentration assembly, it is located at the upper surface of pedestal; And
One adhesive agent, it carries out combination with both between the protuberance on optical concentration assembly and the pedestal.
7. LED plane light supply apparatus as claimed in claim 6, the lower surface of this pedestal is formed with a plurality of projections.
8. LED plane light supply apparatus as claimed in claim 6, this optical concentration assembly is lens.
9. be formed with transparent resin between the luminous naked crystalline substance in the LED plane light supply apparatus as claimed in claim 6, each chip groove, so that fluorescence thin section is fixed in the chip groove.
10. as each described LED plane light supply apparatus of claim 6 to 9, this pedestal is the high thermal conductivity coefficient material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201278330U CN2864333Y (en) | 2005-11-03 | 2005-11-03 | Flat source device for LED |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201278330U CN2864333Y (en) | 2005-11-03 | 2005-11-03 | Flat source device for LED |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2864333Y true CN2864333Y (en) | 2007-01-31 |
Family
ID=37676784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005201278330U Expired - Fee Related CN2864333Y (en) | 2005-11-03 | 2005-11-03 | Flat source device for LED |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2864333Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108803149A (en) * | 2018-07-20 | 2018-11-13 | 京东方科技集团股份有限公司 | Area source and preparation method thereof and liquid crystal display device |
-
2005
- 2005-11-03 CN CNU2005201278330U patent/CN2864333Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108803149A (en) * | 2018-07-20 | 2018-11-13 | 京东方科技集团股份有限公司 | Area source and preparation method thereof and liquid crystal display device |
| CN108803149B (en) * | 2018-07-20 | 2021-05-25 | 京东方科技集团股份有限公司 | Surface light source, manufacturing method thereof and liquid crystal display device |
| US11454845B2 (en) | 2018-07-20 | 2022-09-27 | Beijing Boe Display Technology Co., Ltd. | Surface light source, manufacturing method thereof and liquid crystal display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070131 Termination date: 20131103 |