CN102661582A - LED (light-emitting diode) luminous bar fixing device, backlight source module and liquid crystal display device - Google Patents
LED (light-emitting diode) luminous bar fixing device, backlight source module and liquid crystal display device Download PDFInfo
- Publication number
- CN102661582A CN102661582A CN2012101782346A CN201210178234A CN102661582A CN 102661582 A CN102661582 A CN 102661582A CN 2012101782346 A CN2012101782346 A CN 2012101782346A CN 201210178234 A CN201210178234 A CN 201210178234A CN 102661582 A CN102661582 A CN 102661582A
- Authority
- CN
- China
- Prior art keywords
- led light
- emitting section
- fixture
- backboard
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention discloses an LED (light-emitting diode) luminous bar fixing device which comprises a body and a structure, wherein the structure is used for fixing the body on a back plate; the body comprises at least one structure for fixing the LED luminous bars. The invention also discloses a straight-down-type LED backlight source module and a liquid crystal display device. According to the invention, the problems of complex process, low operation efficiency, poor repeated operation property and high cost when a screw fixing manner or an adhesive tape pasting manner is adopted for the LED luminous bars in the straight-down-type LED backlight source module are solved.
Description
Technical field
The present invention relates to LED light-emitting section fixture, direct LED backlight module (being called for short " backlight source module ") and liquid crystal indicator.
Background technology
Liquid crystal indicator has light weight, thin thickness, low in energy consumption and characteristics that radiation is little, has been widely used in fields such as information technology, multimedia technology, becomes the main flow of various display unit.Because liquid crystal panel itself is not luminous, needing backlight source module is that it provides light source.Generally speaking, the backlight source module light source has cathode fluorescent tube (CCFL) and light emitting diode (LED).The cathode fluorescent tube mercury that contains hazardous substance is undoubtedly a kind of injury for environmental protection, and the cathode fluorescent tube life-span is short, directly influences the service life of liquid crystal indicator.That light emitting diode has is pollution-free, long-life, vibration resistance, shock resistance and free of contamination characteristics.
Therefore, adopting the light source source of LED as backlight, is the inexorable trend of liquid crystal indicator development.LED generally uses on undersized LCDs, like mobile phone, PDA, notebook computer etc.Because the LED continuous advancement in technology, make the brightness of LED that big lifting arranged in recent years, the main alternative of large scale liquid crystal backlight of display device light source during LED has become, LED as the demand of liquid crystal indicator back light in continuous increase.
LED is as the light source source of backlight source of liquid crystal display apparatus; In middle large scale liquid crystal display unit; Arrangement is in the one or both sides of liquid crystal indicator back light unit and the LED of above layout some, perhaps in the large scale liquid crystal display unit, is arranged to straight-down negative.
As depicted in figs. 1 and 2, prior art direct LED backlight module comprises a backboard 10, first reflection unit 20, diffuser plate supporting construction 30, LED light-emitting section 40, screw 50, second reflection unit 60, LED light emitting source 70, one group of blooming piece 80, a diffuser plate 90 and framework 95.Backboard 10 and framework 95 are accommodated reflection unit 20, diffuser plate supporting construction 30, LED light-emitting section 40, screw 50, second reflection unit 60, LED light emitting source 70, blooming piece 80 and diffuser plate 90.LED light-emitting section 40 is arranged on first reflection unit 20, is fixed in LED light-emitting section 40 on the backboard 10 by screw 50.
LED light-emitting section 40 uses screw 50 to be fixed on the backboard 10, need on backboard 10, screw hole be set, and corresponding through hole need be set on the LED light-emitting section 40; On backboard 10, screw hole is set; Increase the cost of making backboard 10, when assembly and disassembly LED light-emitting section 40, need special the turn of the screw instrument; Packaging technology is complicated, and cost is higher.First reflection unit 20 is normally processed by the relatively poor material of thermal conductivity, and heat is one of main factor that influences LED light emitting source service life and optical characteristics.In the existing direct LED backlight module, the radiating effect of LED light-emitting section and LED light emitting source is relatively poor, in order to improve the utilization rate of the light that the LED light emitting source sends, second reflection unit is set on the LED light-emitting section, complex process, and cost is higher.
Summary of the invention
Goal of the invention: to the problem and shortage of above-mentioned prior art existence; First purpose of the present invention provides LED light-emitting section fixture; Solve when the LED light-emitting section uses screw fixed form or adhesive tape bonding method in the existing direct LED backlight module complex process, low, poor, the cost problem of higher of repetition operation property of operating efficiency.Second purpose of the present invention provides the direct LED backlight module, solves existing direct LED backlight module second reflection unit, complex process, cost problem of higher are set on the LED light-emitting section.The 3rd purpose of the present invention provides the liquid crystal indicator that comprises the direct LED backlight module.
Technical scheme: be to realize the foregoing invention purpose, first kind of technical scheme that the present invention adopts is a kind of LED light-emitting section fixture, comprises body and with the structure of said body-fixed on backboard, said body comprises the structure of at least one fixed L ED light-emitting section.
The quantity of the structure of said fixed L ED light-emitting section can be 2.
More tight for LED light-emitting section and backboard are fitted, the structure of said fixed L ED light-emitting section with face that the LED light-emitting section contacts on be provided with some small bulge-structures.The shape of said small bulge-structure can be the combination of one or more shapes in cylinder, cone, the icicle body.
For making LED light-emitting section and backboard fixing more firm, the structure of said fixed L ED light-emitting section with face that the LED light-emitting section contacts on can be provided with some location structures that are used to locate the LED light-emitting section.The shape of said location structure can be the combination of circular arc, semicircular arc, rectangle, triangle, one or more shapes in trapezoidal.
The material of said LED light-emitting section fixture can be plastic cement.
Second kind of technical scheme that the present invention adopts is a kind of direct LED backlight module; Comprise at least one LED light-emitting section, be located at least one LED light emitting source, a reflection unit, a diffuser plate, at least one diffuser plate supporting construction, a backboard, a framework, one group of blooming piece and aforesaid LED light-emitting section fixture on the LED light-emitting section; Said reflection unit has the reflecting surface that is oppositely arranged with the incidence surface of diffuser plate; The exiting surface of LED light emitting source is towards the incidence surface of diffuser plate; Said LED light-emitting section fixture is fixed on the LED light-emitting section on the backboard, said backboard be provided with LED light-emitting section fixture as stated in the hole that the structure of said body-fixed on backboard is complementary.
The third technical scheme that the present invention adopts is a kind of direct LED backlight module; Comprise at least one LED light-emitting section, be located at least one LED light emitting source, a reflection unit, a diffuser plate, at least one diffuser plate supporting construction, a backboard, a framework, one group of blooming piece and aforesaid LED light-emitting section fixture on the LED light-emitting section; Said reflection unit has the reflecting surface that is oppositely arranged with the incidence surface of diffuser plate; The exiting surface of LED light emitting source is towards the incidence surface of diffuser plate; Said LED light-emitting section fixture is fixed on the LED light-emitting section on the backboard; Said backboard be provided with aforesaid LED light-emitting section fixture in the hole that the structure of said body-fixed on backboard is complementary, said LED light-emitting section is provided with and the corresponding notch features of said location structure.
The 4th kind of technical scheme that the present invention adopts is a kind of liquid crystal indicator, comprises aforesaid direct LED backlight module and liquid crystal display, and said backboard and framework are accommodated this liquid crystal display.
Beneficial effect: LED light-emitting section fixture of the present invention has been saved screw or the adhesive tape that fixed L ED light-emitting section uses in the existing direct LED backlight module; Saved the lock screw hole of LED light-emitting section of backboard; And when the assembled LED light-emitting section needed the turn of the screw instrument, improve the efficient of assembling direct LED backlight module, repeat good work; Simplified assembling process reduces cost.Direct LED backlight module of the present invention and liquid crystal indicator have improved the heat dispersion of LED light-emitting section in the existing direct LED backlight module and LED light emitting source; Save the reflection unit that improves the light source light utilization rate in the existing direct LED backlight module on the LED light-emitting section; Save the screw or the adhesive tape of fixed L ED light-emitting section; Simplified assembling process reduces cost.
Description of drawings
Fig. 1 is the sectional schematic diagram of prior art direct LED backlight modular structure;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the sketch map of first embodiment of LED light-emitting section fixture of the present invention;
Fig. 4 is the sketch map of second embodiment of LED light-emitting section fixture of the present invention;
Fig. 5 is the sketch map of the 3rd embodiment of LED light-emitting section fixture of the present invention;
Fig. 6 is the sketch map of the 4th embodiment of LED light-emitting section fixture of the present invention;
Fig. 7 is the sketch map of the 5th embodiment of LED light-emitting section fixture of the present invention;
Fig. 8 is the sketch map of the 6th embodiment of LED light-emitting section fixture of the present invention;
Fig. 9 is the structural representation with the suitable LED light-emitting section of LED light-emitting section fixture shown in Figure 4;
Figure 10 is the sectional schematic diagram of an embodiment of direct LED backlight module of the present invention;
Figure 11 is the vertical view of Figure 10.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment; Further illustrate the present invention; Should understand these embodiment only be used to the present invention is described and be not used in the restriction scope of the present invention; After having read the present invention, those skilled in the art all fall within the application's accompanying claims institute restricted portion to the modification of the various equivalent form of values of the present invention.
As shown in Figure 3; The present invention discloses a kind of LED light-emitting section fixture 210 that is used for the plastic cement material of direct LED backlight module; LED light-emitting section fixture 210 is provided with the structure 212 of the fixed L ED light-emitting section that is complementary with the LED light-emitting section, and LED light-emitting section fixture 210 is provided with the structure 215 of in backlight source module, fixing with backboard.
Like Fig. 4,5,6, the 7th, the dependency structure sketch map of several embodiment of LED light-emitting section fixture 210 of the present invention; Needs according to practical application; On LED light-emitting section fixture 210, can be provided with first structure 216 and/or second structure 218 of location LED light-emitting section; The micro-structural 219 (certainly, the shape of micro-structural is not limited to rectangle, can also be the combination of one or more shapes in cylinder, cone, the icicle body) of rectangle can also be set on the structure 212 that is complementary with the LED light-emitting section; Make that in backlight source module what the LED light-emitting section was more firm is fixed on the backboard.Can find out that the body of LED light-emitting section fixture 210 both can have a groove (like Fig. 3,4, shown in 5) that is used to place the LED light-emitting section, also can not have groove (as shown in Figure 6).
As shown in Figure 8; Be that LED light-emitting section fixture 210 of the present invention contains the structure 212A of two fixed L ED light-emitting sections and the embodiment of 212B; LED light-emitting section fixture 210 is provided with the structure 215 of in backlight source module, fixing with backboard, also is provided with first structure 216 and second structure 218 of location LED light-emitting section.In the present embodiment, a LED light-emitting section fixture can be fixed two LED light-emitting sections, and efficient is higher.
As shown in Figure 9, the LED light-emitting section is provided with the notch features 250 of the semicircular arc that adapts with first structure 216, also is provided with LED light emitting source 116 on the LED light-emitting section.
Like Figure 10, shown in 11; This backlight source module comprises having (present embodiment is 9 a) LED light emitting source 116 at least one (present embodiment is 4) LED light-emitting section 125, each LED light-emitting section 125 at least; One reflection unit 110, a diffuser plate 120, at least one (present embodiment is 6) diffuser plate supporting construction 112, a backboard 100, framework 118, one group of blooming piece 122 and LED light-emitting section fixture 210; This reflection unit 110 has a reflecting surface; The reflecting surface of reflection unit 110 is arranged at the incidence surface side of diffuser plate 120, and is oppositely arranged with the incidence surface of diffuser plate 120, and LED light emitting source 116 is oppositely arranged with diffuser plate 120; The light-emitting area of LED light emitting source 116 is towards the incidence surface of diffuser plate 120, and backboard 100 is provided with the hole 230 that the structure 215 with LED light-emitting section fixture 210 is complementary.
Direct LED backlight module of the present invention can be separately as light source applications, and a liquid crystal display also can be installed becomes liquid crystal indicator.
Claims (10)
1. LED light-emitting section fixture comprises body and with the structure of said body-fixed on backboard, said body comprises the structure of at least one fixed L ED light-emitting section.
2. according to the said LED light-emitting section of claim 1 fixture, it is characterized in that: the quantity of the structure of said fixed L ED light-emitting section is 2.
3. according to the said LED light-emitting section of claim 1 fixture, it is characterized in that: the structure of said fixed L ED light-emitting section with face that the LED light-emitting section contacts on be provided with some small bulge-structures.
4. according to the said LED light-emitting section of claim 3 fixture, it is characterized in that: the combination that is shaped as one or more shapes in cylinder, cone, the icicle body of said small bulge-structure.
5. according to the said LED light-emitting section of claim 1 fixture, it is characterized in that: the structure of said fixed L ED light-emitting section with face that the LED light-emitting section contacts on be provided with some location structures that are used to locate the LED light-emitting section.
6. according to the said LED light-emitting section of claim 5 fixture, it is characterized in that: the combination that is shaped as circular arc, semicircular arc, rectangle, triangle, one or more shapes in trapezoidal of said location structure.
7. according to the said LED light-emitting section of claim 1 fixture, it is characterized in that: the material of said LED light-emitting section fixture is a plastic cement.
8. direct LED backlight module; Comprise at least one LED light-emitting section, be located at least one LED light emitting source on the LED light-emitting section, a reflection unit, a diffuser plate, at least one diffuser plate supporting construction, a backboard, framework, one group of blooming piece and like claim 1 to 4,7 each described LED light-emitting section fixtures; Said reflection unit has the reflecting surface that is oppositely arranged with the incidence surface of diffuser plate; The exiting surface of LED light emitting source is towards the incidence surface of diffuser plate; Said LED light-emitting section fixture is fixed on the LED light-emitting section on the backboard, said backboard be provided with like the hole that the structure of said body-fixed on backboard is complementary in claim 1 to 4,7 each described LED light-emitting section fixtures.
9. direct LED backlight module; Comprise at least one LED light-emitting section, be located at least one LED light emitting source on the LED light-emitting section, a reflection unit, a diffuser plate, at least one diffuser plate supporting construction, a backboard, framework, one group of blooming piece and like each described LED light-emitting section fixture of claim 5 to 6; Said reflection unit has the reflecting surface that is oppositely arranged with the incidence surface of diffuser plate; The exiting surface of LED light emitting source is towards the incidence surface of diffuser plate; Said LED light-emitting section fixture is fixed on the LED light-emitting section on the backboard; Said backboard is provided with and like the hole that the structure of said body-fixed on backboard is complementary in each described LED light-emitting section fixture of claim 5 to 6, said LED light-emitting section is provided with and the corresponding notch features of said location structure.
10. a liquid crystal indicator comprises that said backboard and framework are accommodated this liquid crystal display like claim 8 to 9 each described direct LED backlight module and liquid crystal display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101782346A CN102661582A (en) | 2012-05-31 | 2012-05-31 | LED (light-emitting diode) luminous bar fixing device, backlight source module and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101782346A CN102661582A (en) | 2012-05-31 | 2012-05-31 | LED (light-emitting diode) luminous bar fixing device, backlight source module and liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102661582A true CN102661582A (en) | 2012-09-12 |
Family
ID=46771123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101782346A Pending CN102661582A (en) | 2012-05-31 | 2012-05-31 | LED (light-emitting diode) luminous bar fixing device, backlight source module and liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102661582A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987317A (en) * | 2015-01-28 | 2016-10-05 | 信泰光学(深圳)有限公司 | Backlight module and clamp mechanism thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1588204A (en) * | 2004-07-27 | 2005-03-02 | 友达光电股份有限公司 | Light source assembling structure of back light module |
| CN1648743A (en) * | 2005-03-08 | 2005-08-03 | 友达光电股份有限公司 | Back light module |
| CN101526185A (en) * | 2009-04-22 | 2009-09-09 | 上海广电光电子有限公司 | LED backlight module |
| CN201706247U (en) * | 2010-04-19 | 2011-01-12 | 庄胜义 | Light emitting diode lamp |
| CN102253512A (en) * | 2011-08-15 | 2011-11-23 | 南京中电熊猫液晶显示科技有限公司 | Liquid crystal module |
| CN102414843A (en) * | 2009-04-28 | 2012-04-11 | 夏普株式会社 | Substrate retainer, electronic apparatus, and display apparatus |
-
2012
- 2012-05-31 CN CN2012101782346A patent/CN102661582A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1588204A (en) * | 2004-07-27 | 2005-03-02 | 友达光电股份有限公司 | Light source assembling structure of back light module |
| CN1648743A (en) * | 2005-03-08 | 2005-08-03 | 友达光电股份有限公司 | Back light module |
| CN101526185A (en) * | 2009-04-22 | 2009-09-09 | 上海广电光电子有限公司 | LED backlight module |
| CN102414843A (en) * | 2009-04-28 | 2012-04-11 | 夏普株式会社 | Substrate retainer, electronic apparatus, and display apparatus |
| CN201706247U (en) * | 2010-04-19 | 2011-01-12 | 庄胜义 | Light emitting diode lamp |
| CN102253512A (en) * | 2011-08-15 | 2011-11-23 | 南京中电熊猫液晶显示科技有限公司 | Liquid crystal module |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987317A (en) * | 2015-01-28 | 2016-10-05 | 信泰光学(深圳)有限公司 | Backlight module and clamp mechanism thereof |
| CN105987317B (en) * | 2015-01-28 | 2018-07-20 | 信泰光学(深圳)有限公司 | Backlight module and its snap fastener |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102175001A (en) | Backlight module and display device | |
| CN101571264A (en) | LED backlight module | |
| CN202647443U (en) | LED (light emitting diode) backlight module and LED liquid crystal display device | |
| CN202328056U (en) | LED (Light Emitting Diode) connecting and fixing device, LED backlight source, liquid crystal display panel and liquid crystal display device | |
| CN201166759Y (en) | Flat display device with radiating module | |
| CN102679240A (en) | Direct type LED (light emitting diode) backlight source module and liquid crystal display device | |
| CN202017959U (en) | Direct illumination LED backlight module group with light mixing apparatus | |
| CN102691939A (en) | Direct type LED backlight source module and liquid crystal display device | |
| CN201540425U (en) | Back light module device of liquid crystal display | |
| CN201425632Y (en) | Lightweight light guide plate and backlight module thereof | |
| CN102661582A (en) | LED (light-emitting diode) luminous bar fixing device, backlight source module and liquid crystal display device | |
| CN109116624A (en) | Direct LED backlight mould group and liquid crystal display device | |
| CN202647612U (en) | Support structure for diffusion plate | |
| CN206224107U (en) | A kind of backlight module of LCD liquid crystal display screen | |
| CN102330920A (en) | Light source module, flat plate lamp and side light-emitting backlight module | |
| CN102691944A (en) | Light emitting diode (LED) edge-lighting backlight module | |
| CN101833196A (en) | Direct-light type LED backlight superhigh-brightness liquid crystal display screen | |
| CN203276792U (en) | SMT surface mount type LED | |
| CN202188407U (en) | Lamp set of backlight source module and backlight source module | |
| CN202746981U (en) | Side light emitting type LED backlight module group | |
| US10928581B2 (en) | Backlight module and display device | |
| CN220870461U (en) | Clamping plate for mounting OLED screen | |
| CN101968207A (en) | Directly-stuck LED backlight source back board | |
| KR101015377B1 (en) | The LED lamp pin conector for using substitution fluorescent light | |
| CN202813108U (en) | Backlight module of liquid crystal display |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120912 |