CN202209598U - LED backlight source with partitioned display - Google Patents
LED backlight source with partitioned display Download PDFInfo
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- CN202209598U CN202209598U CN201120348334XU CN201120348334U CN202209598U CN 202209598 U CN202209598 U CN 202209598U CN 201120348334X U CN201120348334X U CN 201120348334XU CN 201120348334 U CN201120348334 U CN 201120348334U CN 202209598 U CN202209598 U CN 202209598U
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- display panels
- light emitting
- emitting diode
- led light
- control device
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Abstract
The utility model discloses a partition display LED backlight source, which comprises a liquid crystal display panel, a backlight source control device, a subsection power supply system, a plastic frame, a lamp set and a light guide set, wherein the plastic frame comprises a U-shaped part and a linear part; the utility model discloses be favorable to reducing the cost of backlight to make the backlight structure based on this plastics frame equipment formation compacter.
Description
Technical field
The utility model relates to a kind of lcd technology, and in particular, a kind of subregion shows the LED-backlit source.
Background technology
Along with developing rapidly of Display Technique, many electrical equipment that need demonstration have all adopted LCD like PC (PC), PDA(Personal Digital Assistant) and portable PC etc., reduce radiation to reach, be easy to carry and purpose attractive in appearance.
In the LCD, because liquid crystal itself is not luminous, light is provided by backlight, and therefore, backlight seems and is even more important.
In the prior art, backlight is because the light that sends of light source receives the influence of material of light source own or surrounding environment easily, and for example, the extinction of each material, reflective etc. reduces luminous efficiency, thereby makes illumination effect bad.
Therefore, there is defective in prior art, needs to improve.
The utility model content
The utility model technical problem to be solved is, provides a kind of luminous efficiency high, and the good backlight of illumination effect and adopt the LCD of this backlight.
The technical scheme of the utility model is following: a kind of subregion shows the LED-backlit source; Comprise a display panels, a backlight source control device; One sectional power supply system, plastic frame, light fixture group and leaded light group, said plastic frame comprises U-shaped portion and in-line portion; Said U-shaped portion and said in-line portion are affixed being formed for the cavity of fixing said display panels, at least one group of LED light emitting diode and control module thereof in cavity;
Each LED light emitting diode adopts the black silicon resin-encapsulated, and is installed on the pcb board;
Said pcb board is fixedly connected with said display panels, and the exiting surface of each LED light emitting diode and said display panels are arranged on the same side of said pcb board;
One sectional power supply system; Power supply, lead, feedback line, control device, switching device, signal display apparatus, recognition sensor, insulation detection device; First end of said switching device is connected with said power supply through said lead; Second end of said switching device is connected with the electric power incoming line interface of said control device through said lead, and the power outlet interface of said control device is connected with said display panels through said lead
The signal of said control device goes out line interface and is connected with said signal display apparatus through said lead; Said recognition sensor is connected with said control device, said display panels respectively through said feedback line, and said recognition sensor is used for giving said control device the signal feedback of said display panels;
Said insulation detection device is connected with said control device, said display panels respectively through said feedback line, and said insulation detection device is used for feeding back to said control device to said display panels insulation detection signal;
Said control device is connected with said switching device through said feedback line, is used to control said switching device.
Described backlight wherein, comprises at least two group LED light emitting diodes, and each organizes the side that the LED light emitting diode is arranged on said display panels, or is separately positioned on the side of said display panels; Said display panels is provided for the fixed bit of fixing each LED light emitting diode.
Described backlight, wherein, arbitrary group of LED light emitting diode comprises at least 1 red LED light emitting diode, at least 1 green LED light emitting diode and at least 1 blue led light emitting diode; Perhaps, arbitrary LED light emitting diode comprises at least 1 red LED LED core, at least 1 green LED LED core and at least 1 blue led LED core, and each LED LED core is encapsulated in the same black silicon resin enclosure.
Described backlight wherein, is covered with the rete of one deck black on the said pcb board.
Described backlight, wherein, each LED light emitting diode is OLED light emitting diode and Drive Structure thereof.
Adopt such scheme; The utility model passes through each LED light emitting diode is adopted the silicone encapsulation of black, because the silicones light transmission is good, and; The encapsulation of black is minimum to the influence that light source emits beam; Make the luminous efficiency of the utility model backlight the highest, thereby make the contrast of the liquid crystal display displays that adopts this backlight can reach the highest, display effect is very good.The utility model backlight is through improving the plastic frame structure; Make and in the fixation procedure of carrying out display panels, need not use metal outer frame; Therefore; Help saving the cost of the required metal outer frame of fixer LCD panel in the existing backlight, thereby help reducing the cost of backlight, and make that the back light source structure that forms based on this plastic frame assembling is compact more.
Description of drawings
Fig. 1 is the sketch map of the utility model structure;
Fig. 2 is the utility model sectional power supply sketch map.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment, the utility model is elaborated.
Embodiment 1
Like Fig. 1, shown in Figure 2; A kind of subregion shows the LED-backlit source, comprises a display panels 107, a backlight source control device 808, one sectional power supply systems; Plastic frame, light fixture group and leaded light group; Said plastic frame comprises U-shaped portion and in-line portion, and said U-shaped portion and said in-line portion are affixed being formed for the cavity of fixing said display panels, at least one group of LED light emitting diode and control module thereof in cavity; Each LED light emitting diode adopts the black silicon resin-encapsulated, and is installed on the pcb board; Said pcb board is fixedly connected with said display panels, and the exiting surface of each LED light emitting diode and said display panels are arranged on the same side of said pcb board; One sectional power supply system; Power supply, lead, feedback line, control device, switching device, signal display apparatus, recognition sensor, insulation detection device; First end of said switching device is connected with said power supply through said lead; Second end of said switching device is connected with the electric power incoming line interface of said control device through said lead, and the power outlet interface of said control device is connected with said display panels through said lead
The signal of said control device goes out line interface and is connected with said signal display apparatus through said lead; Said recognition sensor is connected with said control device, said display panels respectively through said feedback line, and said recognition sensor is used for giving said control device the signal feedback of said display panels;
Said insulation detection device is connected with said control device, said display panels respectively through said feedback line, and said insulation detection device is used for feeding back to said control device to said display panels insulation detection signal;
Said control device is connected with said switching device through said feedback line, is used to control said switching device.
The sectional power supply system; Comprise display panels 107; Power supply 1; Lead 8; Feedback line 10; Control device 4; Switching device 2; Signal display apparatus 7; Recognition sensor 9; Insulation detection device 5; First end of said switching device 2 is connected with said power supply 1 through said lead 8; Second end of said switching device 2 is connected with the electric power incoming line interface of said control device 4 through said lead; The power outlet interface of said control device 4 is connected with said display panels 107 through said lead
The signal of said control device 4 goes out line interface and is connected 7 through said lead with said signal display apparatus; Said recognition sensor 9 is connected with said control device 4, said display panels 107 respectively through said feedback line 10, and said identification sensing is adorned 9 and put and be used for giving said control device the signal feedback of said display screen;
Said insulation detection device 5 is connected with said control device 4, said display panels 107 respectively through said feedback line 3, and said insulation detection device 5 is used for feeding back to said control device 4 to said display panels 107 insulation detection signals;
Said control device 4 is connected with said switching device 2 through said feedback line 3, is used to control said switching device.
Described display screen sectional power supply system, said switching device comprises main switch case and assist control case two parts.
Described display screen sectional power supply system also is provided with DC start power supply and outage testing fixture in the said assist control case.
Described display screen sectional power supply system, on the said DC start power supply also and be connected to the controllable silicon direct-flow inverter.
Described display screen sectional power supply system, said display screen comprises at least two display modules, said control device 6 is connected with each display module respectively through said lead, is used to realize said each display module of control device segmentation control.
Described backlight wherein, comprises at least two group LED light emitting diodes, and each organizes the side that the LED light emitting diode is arranged on said display panels, or is separately positioned on the side of said display panels; Said display panels is provided for the fixed bit of fixing each LED light emitting diode.
Described backlight, wherein, arbitrary group of LED light emitting diode comprises at least 1 red LED light emitting diode, at least 1 green LED light emitting diode and at least 1 blue led light emitting diode; Perhaps, arbitrary LED light emitting diode comprises at least 1 red LED LED core, at least 1 green LED LED core and at least 1 blue led LED core, and each LED LED core is encapsulated in the same black silicon resin enclosure.
Described backlight wherein, is covered with the rete of one deck black on the said pcb board.
Described backlight, wherein, each LED light emitting diode is OLED light emitting diode and Drive Structure thereof.
The present embodiment backlight comprises a display panels; The said display panels side of being set to body; Side's body fluid LCD panel comprises four sides and two sides; Each LED light emitting diode 102 and control module thereof are fixed on the pcb board 101, and each LED light emitting diode adopts the silicones of black to encapsulate.
Silicones is to have highly cross-linked cancellated polysiloxane, has the double grading of organic resin and inorganic material concurrently, has unique physical and chemical performance.Mainly comprise: methyl phenyl silicone resin; Methyl silicon resin; Low phenyl methyl silicones; The organic siliconresin emulsion; The self-drying type organic siliconresin; The high temperature modification organic siliconresin; Epoxy modified silicone resin; Organosilicon polyester modified resin; Self-drying type environmental protection organic siliconresin; Environment-protecting silicone resin; The non-viscous paint organic siliconresin; High light organic siliconresin; The benzyl transparent silicon resin; Methyl transparent organic silicon resin; The bonding silicones of mica; Gather methyl silicon resin; Amino silicone; Fluorine silicon resin; Silicon resin solution; The organosilicon-epoxide resin; Organic silicon polyester resin; The solvent-resisting organic siliconresin; The organic siliconresin adhesive; The fluorine silicon resin sealant; The high-temperature resisting methyl silicones; The self-drying type organic silicon insulating varnish; Methyl MQ silicones; Vinyl MQ silicones and organosilicon acrylic resin coating.
Because silicones has extraordinary light transmission, hear resistance, corrosion-resistant and insulating properties etc., so silicones can be used for the encapsulating material of LED light emitting diode.And the silicones of black especially adopts zero luminance or approaches zero black silicon resin, not only has good light transmittance; And silicones exerts an influence to the light that the LED light emitting diode sends hardly; Therefore, adopt the silicone encapsulation of black, the light color that each LED light emitting diode sends is the purest; Transmissivity is the highest, thereby makes this instance backlight display effect best.
Power supply positive and negative electrode polar curve and at least one holding wire are set on the pcb board 101.The positive and negative polar curve of power supply can provide voltage for the present embodiment backlight, and each LED light emitting diode 102 is as the light source of backlight.Control module is used for each LED light emitting diode of drive controlling; And can be according to the LED control signal of each holding wire transmission; The LED light emitting diode of drive controlling varying number; Make each LED light emitting diode can realize that different brightness change, and make to mutually combine between each LED light emitting diode and be various colors and variation.
Control module can also be set to the single line transmission control module, and the control signal wire of single line transmission of control signals is merely a control signal wire of being made up of a lead.
Each LED light emitting diode 102 is installed on the pcb board 101, and pcb board 101 is fixedly connected with said display panels, and promptly pcb board is fixed on the said display panels through fixture is set.
For example, a clamp is set on the display panels, is provided with on the pcb board 101 and the corresponding fixed bit of clamp, clamp embeds in the pcb board 101, and is fixed on the fixed bit, to realize being fixedly connected of pcb board 101 and display panels.Perhaps also can be at display panels and pcb board 101 at last buckle and the draw-in groove of being provided with respectively, pcb board 101 and display panels are through corresponding buckle and fixedly clamping of draw-in groove.
And for example, a latch is set on the display panels, corresponding pin hole is set on the pcb board 101, pcb board 101 is fixed through latch and pin hole with display panels and is pegged graft.
And for example, an external screw thread is set on the display panels, an internal thread is set on the pcb board 101, pcb board 101 fixedly is spirally connected through adaptive internal and external threads with display panels.
The exiting surface of each LED light emitting diode 102 and said display panels are arranged on the same side of said pcb board 101, and promptly the exiting surface of each LED light emitting diode 102 and display panels are relative.Display panels generally adopts optical material to process; For example; The display panels that display panels can be processed for optical material acryl sheet material, the light that sends from each LED light emitting diode is through evenly deriving behind the display panels; Display panels can make the spot light through display panels become area source, and makes distribution of light more even.
Usually, a backlight can be provided with two groups of LED light emitting diodes at least, and each organizes the side that the LED light emitting diode is separately positioned on said display panels.Wherein, adjacent dual-side can be set, for example, wherein one group is arranged on side 103, and other one group is arranged on side 104; Perhaps, also can be arranged on relative dual-side, for example, be separately positioned on side 103 and side 105, perhaps be separately positioned on side 104 and side 106.
And; Three groups of LED light emitting diodes can also be set; Each is organized in side 103, side 104, side 105 and the side 106 that the LED light emitting diode is separately positioned on display panels on three sides wherein; Four groups of LED light emitting diodes also can be set, and four groups of LED light emitting diodes are separately positioned on side 103, side 104, side 105 and the side 106 of display panels.Under the same conditions, the LED light emitting diode group number of setting is many more, and then the brightness of display panels is strong more, to satisfy the brightness of actual needs.
In addition, can also be at the side of display panels, the corresponding fixed bit that is provided with each LED light emitting diode is used for fixing each LED light emitting diode, to keep the position of each LED light emitting diode.For example; Fixed bit can be the groove on the display panels side, the size of groove just in time with the corresponding setting of the exiting surface of each LED light emitting diode, make the exiting surface of each LED light emitting diode just in time can be placed in the groove; To keep its position; And, the light of light-emitting area is imported in the display panels better, improve the utilization rate of light.
The light that each LED light emitting diode 102 sends through each side importing display panels of display panels, and passes through display panels and evenly derives, with the backlight as LCD, mobile phone etc.Because each LED light emitting diode is arranged on the side of display panels, so this backlight can be set to extremely thinly, makes the product after the moulding light, carries easily; And LED lumination of light emitting diode efficient is high, long service life.
In addition, do not receive the influence of pcb board in order to make the light that comes out from display panels, as: absorption, reflection etc.; Can also on pcb board, be covered with the rete of one deck black, rete can cover the surface of pcb board through the mode of plated film, because the LED light emitting diode is a silicone encapsulation; Silicones does not produce any influence to the LED light emitting diode of exiting surface, and therefore, light will directly get on the display panels; Light comes out from display panels, and to penetrating all around, is radiated on the pcb board that is coated with the black rete; The black rete can be common black plastic, and black plastic has absorptive, can the light of directive display panels side be absorbed; Make the light that does not influence the display panels side, and, make the display effect of application product better.
Should be understood that, concerning those of ordinary skills, can improve or conversion, and all these improvement and conversion all should belong to the protection domain of the utility model accompanying claims according to above-mentioned explanation.
Claims (4)
1. a subregion shows the LED-backlit source; It is characterized in that, comprise a display panels, a backlight source control device, a sectional power supply system; Plastic frame, light fixture group and leaded light group; Said plastic frame comprises U-shaped portion and in-line portion, and said U-shaped portion and said in-line portion are affixed being formed for the cavity of fixing said display panels, at least one group of LED light emitting diode and control module thereof in cavity; Each LED light emitting diode adopts the black silicon resin-encapsulated, and is installed on the pcb board; Said pcb board is fixedly connected with said display panels, and the exiting surface of each LED light emitting diode and said display panels are arranged on the same side of said pcb board; One sectional power supply system; Power supply, lead, feedback line, control device, switching device, signal display apparatus, recognition sensor, insulation detection device; First end of said switching device is connected with said power supply through said lead; Second end of said switching device is connected with the electric power incoming line interface of said control device through said lead; The power outlet interface of said control device is connected with said display panels through said lead, and the signal of said control device goes out line interface and is connected with said signal display apparatus through said lead; Said recognition sensor is connected with said control device, said display panels respectively through said feedback line, and said recognition sensor is used for giving said control device the signal feedback of said display panels; Said insulation detection device is connected with said control device, said display panels respectively through said feedback line, and said insulation detection device is used for feeding back to said control device to said display panels insulation detection signal; Said control device is connected with said switching device through said feedback line, is used to control said switching device.
2. backlight according to claim 1 is characterized in that, it comprises at least two group LED light emitting diodes, and each organizes the side that the LED light emitting diode is arranged on said display panels, or is separately positioned on the side of said display panels; Said display panels is provided for the fixed bit of fixing each LED light emitting diode.
3. backlight according to claim 1 is characterized in that, arbitrary group of LED light emitting diode comprises at least 1 red LED light emitting diode, at least 1 green LED light emitting diode and at least 1 blue led light emitting diode; Perhaps, arbitrary LED light emitting diode comprises at least 1 red LED LED core, at least 1 green LED LED core and at least 1 blue led LED core, and each LED LED core is encapsulated in the same black silicon resin enclosure.
4. backlight according to claim 1 is characterized in that, is covered with the rete of one deck black on the said pcb board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120348334XU CN202209598U (en) | 2011-09-17 | 2011-09-17 | LED backlight source with partitioned display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120348334XU CN202209598U (en) | 2011-09-17 | 2011-09-17 | LED backlight source with partitioned display |
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| Publication Number | Publication Date |
|---|---|
| CN202209598U true CN202209598U (en) | 2012-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120348334XU Expired - Fee Related CN202209598U (en) | 2011-09-17 | 2011-09-17 | LED backlight source with partitioned display |
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| Country | Link |
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| CN (1) | CN202209598U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110300365A (en) * | 2018-03-23 | 2019-10-01 | 雅马哈株式会社 | Luminous display unit, luminescence display switch and sound pick up equipment |
-
2011
- 2011-09-17 CN CN201120348334XU patent/CN202209598U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110300365A (en) * | 2018-03-23 | 2019-10-01 | 雅马哈株式会社 | Luminous display unit, luminescence display switch and sound pick up equipment |
| US10941934B2 (en) | 2018-03-23 | 2021-03-09 | Yamaha Corporation | Light emission display device, light emission display switch, and sound collection device |
| CN110300365B (en) * | 2018-03-23 | 2021-04-23 | 雅马哈株式会社 | Light emitting display device, light emitting display switch, and sound pickup device |
| US11713874B2 (en) | 2018-03-23 | 2023-08-01 | Yamaha Corporation | Sound collection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DAHE MEDIA CO., LTD. Free format text: FORMER OWNER: LIAO WENHUA Effective date: 20130321 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 323000 LISHUI, ZHEJIANG PROVINCE TO: 210019 NANJING, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130321 Address after: 210019 Nanjing, Jianye Jialing Street Jiangdong District, No. 18 Patentee after: Dahe Media Co., Ltd. Address before: 323000, Zhejiang Province, Suichang County, Lishui Province West Village Township 3 Patentee before: Liao Wenhua |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120502 Termination date: 20130917 |