CN1900794A - Light emitting unit and back light module - Google Patents
Light emitting unit and back light module Download PDFInfo
- Publication number
- CN1900794A CN1900794A CN 200610108107 CN200610108107A CN1900794A CN 1900794 A CN1900794 A CN 1900794A CN 200610108107 CN200610108107 CN 200610108107 CN 200610108107 A CN200610108107 A CN 200610108107A CN 1900794 A CN1900794 A CN 1900794A
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- Prior art keywords
- light
- emitting component
- packaging frame
- backlight module
- light emitting
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Abstract
Luminescence unit includes packaging framework, first luminous element, second luminous element, and first reflecting plate. The first luminous element and the second luminous element are setup inside framework. The first and the second luminous elements radiate lights in different directions. Being setup on framework, the first reflecting plate possesses reflection plane on surface far away from the framework. The invention also discloses backlight module.
Description
Technical field
The present invention relates to a kind of luminescence unit, particularly relate to a kind of luminescence unit with light emitting diode.
Background technology
LCD mainly is made up of display panels and backlight module.Display panels is made of two sheet glass substrates up and down, via various processes, with the formed arranged in matrix of thin film transistor (TFT) (TFT) on lower glass substrate, and irritate between the two sheet glass substrates up and down liquid crystal layer is arranged, direction by each thin film transistor (TFT) (TFT) control liquid crystal molecule reaches different transmittances, and light source is then provided by backlight module.Fig. 1 shows traditional light emitting diode (Light Emitting Diode that has; The side view of backlight module LED), its the Lights section is provided by a plurality of light emitting diode, and this light emitting diode LED1～LED4 is arranged on the substrate 101, above the light source luminescent diode, optical plate and various blooming piece 102 are set, to improve the quality of light source.Fig. 2 is the top view that shows traditional backlight module with light emitting diode, wherein the LED unit of each group is made up of the light emitting diode of red, green, blue three looks respectively, each apart distance P in group LED unit, when the brightness of light emitting diode promotes, cause is considered the homogeneity that backlight module is luminous, and can't strengthen LED distance between cells P.Therefore, the quantity of light emitting diode can't effectively reduce, and then has influence on the manufacturing cost of product.
Summary of the invention
Given this, the invention provides a kind of luminescence unit, comprising: packaging frame; First light-emitting component; Second light-emitting component, wherein this first, second light-emitting component is arranged in this packaging frame, and this first, second light-emitting component is luminous with different directions; With first reflector, be arranged on this packaging frame, on surface, have reflecting surface away from this packaging frame.
In addition, the invention provides a kind of backlight module, comprising: packaging frame; First light-emitting component; Second light-emitting component, wherein this first, second light-emitting component is arranged in this packaging frame, and this first, second light-emitting component is luminous with different directions; First reflector is arranged on this packaging frame, has first reflecting surface on the surface away from this packaging frame; With second reflector, be arranged at the below of this packaging frame, and have roughly second reflecting surface towards the top.
Description of drawings
Fig. 1 is the side view that shows traditional backlight module with light emitting diode.
Fig. 2 is the top view that shows traditional backlight module with light emitting diode.
Fig. 3 shows according to the described side view with backlight module of light emitting diode of the embodiment of the invention.
Fig. 4 has shown according to the described packaging frame of the embodiment of the invention.
Fig. 5 has shown according to the described another kind of packaging frame of the embodiment of the invention.
Fig. 6 has shown the backlight module of collocation Fig. 5 packaging frame.
Fig. 7 shows that light emitting diode is positioned at the top view on the printed circuit board (PCB).
Fig. 8 has shown the back light unit of liquid crystal panel.
The simple symbol explanation
101～substrate; 102～blooming piece;
301,302,403,404,503,504～light emitting diode;
303,307～reflector; 306～printed circuit board (PCB);
304,305,401,402,501,502～packaging frame;
308,805～optical element; 309,310～reflecting surface;
405,406～barrier; 407,408～reflective upper surface;
409,410～reflection bottom face; 801,802～backlight module;
804～framework;
LED1～LED4～light emitting diode;
Distance between P～light emitting diode.
Embodiment
For above and other objects of the present invention, feature and advantage can be become apparent, cited below particularlyly go out preferred embodiment, and in conjunction with the accompanying drawings, be described in detail below:
Fig. 3 shows that as shown in the figure, backlight module is made up of first light emitting diode 301, second light emitting diode 302, first reflector 303 and second reflector 307 according to the described side view with backlight module of light emitting diode of the embodiment of the invention.In the present embodiment, first light emitting diode 301 and second light emitting diode 302 are electrically connected on the printed circuit board (PCB) 306, and first light emitting diode 301 and second light emitting diode 302 are separately positioned in first packaging frame 304 and second packaging frame 305, in the application of reality, first light emitting diode 301, second light emitting diode 302 also can be enclosed in the same packaging frame.First reflector 303 places on the packaging frame, one side and at first reflecting surface 309 that has away from packaging frame, be used for being reflected into the light that is incident upon the encapsulating structure top.Second reflector 307 places between printed circuit board (PCB) 306 and the packaging frame, its upper surface has second reflecting surface 310, is used for reflecting the light by the light emitting diode emission, wherein, the direction of second reflecting surface is roughly towards the top, and its shape can be curved surface or polygon.Above backlight module, optical element 308 is set, make the light-emitting area of backlight module can launch the light of uniform luminance, wherein optical element can be optical plate and various blooming piece, as diffuser plate, blast sheet, prismatic lens etc.
Fig. 4 has shown according to the described packaging frame of the embodiment of the invention, wherein first packaging frame 401 and second packaging frame 402 have a light-emitting area respectively, and be provided with in the opposite direction, first packaging frame 401 and second packaging frame 402 are used for reflecting the light of first light emitting diode 403 and second light emitting diode 404 respectively toward the light-emitting area ejaculation except that the surface of light-emitting area, in order to separate the light of first light emitting diode 403 and second light emitting diode 404, first barrier 405 and second barrier, 406, the first encapsulating structures 401 and second encapsulating structure 402 are set in the centre of first light emitting diode 403 and second light emitting diode 404 have first reflective upper surface 407 and second reflective upper surface 408 and first reflection bottom face 409 and second reflection bottom face 410 respectively.
Fig. 5 has shown according to the described another kind of packaging frame of the embodiment of the invention, wherein first packaging frame 501 and second packaging frame 502, has a light-emitting area, in order to first light emitting diode 503 and second light emitting diode 504 to be set respectively, the light emitting diode 503 of winning is penetrated towards different directions with the light that second light emitting diode 504 sends, this light-emitting area can be curved surface or plane, first packaging frame 501 and second packaging frame, 502 other non-luminous surfaces are used for reflecting the light of first light emitting diode 503 and second light emitting diode 504 respectively toward the light-emitting area ejaculation.
Fig. 6 has shown the backlight module of collocation Fig. 5 packaging frame.Fig. 7 shows in the foregoing description, light emitting diode is positioned at the top view on the printed circuit board (PCB), as shown in the figure, the light-emitting area of first LED 1, second LED 2 is towards coplanar not, and its radiative color is respectively wherein two kinds of colors of red, green, blue (R, G, B).
Fig. 8 has shown the back light unit of liquid crystal panel, as shown in the figure, back light unit is made up of more than one backlight module 801,802, framework 804 and optical element 805, backlight module 801,802 places in the framework 804, and optical element 805 is positioned at framework 804 tops, with the white light that backlight module emitted, the light-emitting area that sees through back light unit can be launched the light of uniform luminance, and wherein optical element can be optical plate and various blooming piece, as diffuser plate, blast sheet, prismatic lens etc.
The back light unit of forming by backlight module by the present invention, can effectively reduce the back light unit colour cast problem that differs and caused because of the prior art light-emitting diode luminance, and do not need special lens design, framework is simpler than prior art, moreover backlight module of the present invention is made up of plural light emitting diode, bigger mixed light scope can be arranged, and also can effectively reduce the quantity of light emitting diode, and then reduce the cost of panel.
Though the present invention discloses as above with preferred embodiment; yet it is not in order to limit scope of the present invention; any those skilled in the art; without departing from the spirit and scope of the present invention; can carry out a little change and modification to it, so protection scope of the present invention is with being as the criterion that claims were defined.
Claims (13)
1. luminescence unit comprises:
Packaging frame;
First light-emitting component;
Second light-emitting component, wherein this first, second light-emitting component is arranged in this packaging frame, and this first, second light-emitting component is luminous with different directions; With
First reflector is arranged on this packaging frame, has reflecting surface on the surface away from this packaging frame.
2. luminescence unit as claimed in claim 1 wherein has barrier in the middle of this packaging frame, in order to separate the light of this first, second light-emitting component.
3. luminescence unit as claimed in claim 2, wherein this packaging frame also comprises reflection bottom face, is arranged at the below of this first, second light-emitting component.
4. luminescence unit as claimed in claim 3, wherein this packaging frame also comprises reflective upper surface, is arranged at the top of this first, second light-emitting component.
5. luminescence unit as claimed in claim 1, wherein this first light-emitting component and second light-emitting component are luminous to complete reverse direction.
6. luminescence unit as claimed in claim 1, wherein this first or second light-emitting component one of them comprise LED.
7. backlight module comprises:
Packaging frame;
First light-emitting component;
Second light-emitting component, wherein this first, second light-emitting component is arranged in this packaging frame, and this first, second light-emitting component is luminous with different directions;
First reflector is arranged on this packaging frame, has first reflecting surface on the surface away from this packaging frame; With
Second reflector is arranged at the below of this packaging frame, and has roughly second reflecting surface towards the top.
8. backlight module as claimed in claim 7 wherein has barrier in the middle of this packaging frame, in order to separate the light of this first, second light-emitting component.
9. backlight module as claimed in claim 8, wherein this packaging frame also comprises reflection bottom face, is arranged at the below of this first, second light-emitting component.
10. backlight module as claimed in claim 9, wherein this packaging frame also comprises reflective upper surface, is arranged at the top of this first, second light-emitting component.
11. backlight module as claimed in claim 7, wherein this first light-emitting component and second light-emitting component are luminous to complete reverse direction.
12. backlight module as claimed in claim 7, wherein this first or second light-emitting component one of them comprise LED.
13. backlight module as claimed in claim 7, wherein this second reflector comprises curved surface or polygon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610108107 CN1900794A (en) | 2006-07-27 | 2006-07-27 | Light emitting unit and back light module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610108107 CN1900794A (en) | 2006-07-27 | 2006-07-27 | Light emitting unit and back light module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1900794A true CN1900794A (en) | 2007-01-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610108107 Pending CN1900794A (en) | 2006-07-27 | 2006-07-27 | Light emitting unit and back light module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1900794A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102185080A (en) * | 2011-04-02 | 2011-09-14 | 深圳市宏啟光电有限公司 | Light emitting diode display device and light emitting diode component thereof |
| CN103047578A (en) * | 2012-10-10 | 2013-04-17 | 深圳市华星光电技术有限公司 | Direct-type backlight module structure |
| WO2013127248A1 (en) * | 2012-02-28 | 2013-09-06 | 天地融科技股份有限公司 | Electronic device |
| CN103851415A (en) * | 2012-12-04 | 2014-06-11 | 厦门天马微电子有限公司 | Laterally-incident-light backlight unit for liquid-crystal display device and liquid-crystal display device |
| CN103851415B (en) * | 2012-12-04 | 2016-11-30 | 厦门天马微电子有限公司 | Light back light unit and liquid crystal indicator is entered for the side of liquid crystal indicator |
-
2006
- 2006-07-27 CN CN 200610108107 patent/CN1900794A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102185080A (en) * | 2011-04-02 | 2011-09-14 | 深圳市宏啟光电有限公司 | Light emitting diode display device and light emitting diode component thereof |
| WO2013127248A1 (en) * | 2012-02-28 | 2013-09-06 | 天地融科技股份有限公司 | Electronic device |
| CN103047578A (en) * | 2012-10-10 | 2013-04-17 | 深圳市华星光电技术有限公司 | Direct-type backlight module structure |
| CN103047578B (en) * | 2012-10-10 | 2015-07-22 | 深圳市华星光电技术有限公司 | Direct-type backlight module structure |
| CN103851415A (en) * | 2012-12-04 | 2014-06-11 | 厦门天马微电子有限公司 | Laterally-incident-light backlight unit for liquid-crystal display device and liquid-crystal display device |
| CN103851415B (en) * | 2012-12-04 | 2016-11-30 | 厦门天马微电子有限公司 | Light back light unit and liquid crystal indicator is entered for the side of liquid crystal indicator |
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| PB01 | Publication | ||
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| C12 | Rejection of a patent application after its publication | ||
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Open date: 20070124 |