CN203927600U - Backlight module - Google Patents
Backlight module Download PDFInfo
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- CN203927600U CN203927600U CN201420311455.0U CN201420311455U CN203927600U CN 203927600 U CN203927600 U CN 203927600U CN 201420311455 U CN201420311455 U CN 201420311455U CN 203927600 U CN203927600 U CN 203927600U
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- backlight module
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- black frame
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- frame
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Abstract
The utility model discloses a kind of backlight module, comprising: glue frame, is assembled in light guide zone assembly and backboard in this glue frame; This glue frame comprises: white framework, be installed on the black frame in white framework outside and be installed on the chase in black frame outside, this white framework has four lateral surfaces, on each lateral surface, be formed with several projections, each projection is " T " font, this black frame has four medial surfaces, and on each medial surface, respective protrusions position is formed with several grooves, and each groove is " T " font, these several projections are sticked in several grooves, so that white framework and black frame are fixed together.In the utility model, glue frame consists of the white framework and the black frame that are fixed together in engaging mode, easy to assembly quick, also durable in use in the higher environment of temperature; It is outside that black frame is located at white framework, and black frame has absorption effects, effectively improves existing backlight module light leakage phenomena, can also promote the brightness of backlight module.
Description
Technical field
The utility model relates to field of liquid crystal display, relates in particular to a kind of backlight module.
Background technology
Backlight module is one of display panels key component, backlight module comprises the assemblies such as glue frame, reflectance coating, black and white double faced adhesive tape, LGP, LED, because the cloth of liquid crystal own is luminous, need to add a LED light emitting source in display panels bottom, LED light emitting source is generally line source, the effect of backlight module is that the line source that LED light emitting source is sent becomes the uniform planar light source of brightness, is that display panels presents full color displays effect.In addition, glue frame is in order to carry above-mentioned LGP and LED light emitting source, and is fixed in backboard.Yet existing glue frame is generally all black or whole white, holomelanocratic glue frame has absorption effects, and under equal conditions the brightness meeting of backlight module reduces; Hololeucocratic glue frame can produce light leakage phenomena at bayonet socket place backlight module, and complete machine casing is white or colored in this way, and complete machine also light leakage phenomena can occur.
For the problems referred to above, State Patent Office discloses the patent documentation that one piece of application number is 201210287052.2, a kind of LCD backlight module is disclosed in this patent documentation, comprise glue frame and black and white double faced adhesive tape, described glue frame is included in first framework in outside and at the second framework of inner side, described the first framework surface is black, and described the second framework surface is white, and described black and white double faced adhesive tape invests described the first framework and described the second framework connection.Do like this, surface is for outside the first framework of black is located at, the light can good absorption seeing through from black and white double faced adhesive tape and glue frame, and then do not affect the display effect of LCD backlight module.But in this technical scheme, the first framework and the second framework are as an integral one-step molding, and Design of Dies comparatively bothers like this, and production cost is higher.The first framework and the second framework can also be distinguished independent injection moulding, re-use afterwards high strength glue or screw and link together.If use glue to connect, under hot environment, glue is easily aging and cause the first framework and the second framework to be separated; If use screw to connect, assembling is trouble comparatively, and production efficiency is low.
Therefore, there is defect in prior art, needs to improve.
Utility model content
The purpose of this utility model is to provide a kind of backlight module, and white framework is fixed together by engaging mode with black frame, can effectively prevent light leakage phenomena, and durable in use.
The technical solution of the utility model is as follows: the utility model provides a kind of backlight module, comprise: glue frame, be assembled in the light guide zone assembly in described glue frame and be assembled in the backboard in described glue frame, described glue frame comprises: white framework, be installed on the black frame in described white framework outside and the chase that is installed on described black frame outside, described white framework has four lateral surfaces, on each lateral surface of described white framework, be formed with several projections, described in each, projection is " T " font, described black frame has four medial surfaces, on each medial surface of described black frame, respective protrusions position is formed with several grooves, described in each, groove is " T " font, described several projection is sticked in described several groove, so that white framework and black frame are fixed together.
Described backlight module also comprises black and white double faced adhesive tape, and described black and white double faced adhesive tape invests described white framework and described black frame junction.
Described chase is installed on described black frame outside by glue mode.
Described chase is installed on described black frame outside by screw lock mode.
Described white framework has four medial surfaces, on each medial surface of described white framework, is coated with reflecting material.
Described light guide zone assembly comprises: be located at backlight in backboard, be located in backboard and the LGP of backlight setting relatively, be located at the sheet emitting between LGP and backboard and be located at the blooming group on LGP.
Described backlight is LED-backlit source.
Four lateral surfaces that described white framework has are first to fourth lateral surface, and the described first and the 3rd lateral surface is provided with two projections, described second and all round side be provided with three projections; Four medial surfaces that described black frame has are first to fourth medial surface, and the described first and the 3rd medial surface is provided with two grooves, and the described second and the 4th medial surface is provided with three grooves.
Adopt such scheme, backlight module of the present utility model, its glue frame consists of the white framework and the black frame that are fixed together in engaging mode, easy to assembly quick, and also durable in use in the higher environment of temperature, long service life; It is outside that black frame is located at white framework, black frame has absorption effects, effectively improves existing backlight module light leakage phenomena, and white box is set up in black frame and its medial surface is coated with reflectorized material, can effectively reflect the light that backlight sends, and then promote the brightness of backlight module.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model backlight module.
Fig. 2 is the enlarged drawing at A place in Fig. 1.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
Refer to Fig. 1 and Fig. 2, the utility model provides a kind of backlight module, comprise: glue frame 20, be assembled in light guide zone assembly 30 in described glue frame 20, be assembled in backboard (not shown) and black and white double faced adhesive tape (not shown) in described glue frame 20, described glue frame 20 is for positioning light guide zone assembly 30 and backboard.Described glue frame 20 comprises: white framework 22, be installed on the black frame 24 in described white framework 22 outsides and the chase 26 that is installed on described black frame 24 outsides.Described black frame 24 is located at white framework 22 outsides, and black frame 24 has absorption effects, effectively improves existing backlight module light leakage phenomena; Described white framework 22 is located in black frame 24, is conducive to improve the brightness of backlight module.Described white framework 22 has four lateral surfaces 41,42,43,44, on each lateral surface of described white framework 22, be formed with several protruding 45, described in each, projection 45 is " T " font, described black frame 24 has four medial surfaces 51,52,53,54, on each medial surface of described black frame 24, respective protrusions 45 positions are formed with several grooves 55, and described in each, groove 55 is " T " font.During installation, described white framework 22 is pressed to black frame 24, described several protruding 45 are sticked in described several groove 55, so that white framework 22 is fixed together with black frame 24, quick and easy for installation, and sound construction, durable in use, long service life.
Described black and white double faced adhesive tape invests described white framework 22 and described black frame 24 junctions, prevents that light from spilling from the crack between black frame 24 and white framework 22, light leakage better effects if.Described chase 26 is installed on described black frame 24 outsides by glue mode or screw lock mode, and described chase 26 is conducive to promote the hardness of glue frame 20, and anti-collision ability is strong, increases the service life.
Described white framework 22 has four medial surfaces (not indicating), on each medial surface of described white framework 22, is coated with reflecting material, with the light reflection that backlight is sent, goes back, and improves the luminosity of backlight module.
Described light guide zone assembly 30 comprises: be located at backlight in backboard, be located in backboard and the LGP of backlight setting relatively, be located at the sheet emitting between LGP and backboard and be located at the blooming group on LGP.Described backlight is LED-backlit source, and energy consumption is low, brightness is high, long service life.
In the present embodiment, four lateral surfaces that described white framework 22 has are first to fourth lateral surface 41,42,43,44, the described first and the 3rd lateral surface 41,43 is provided with two projections 45, described second and all round side 42,44 be provided with three projections 45; Four medial surfaces that described black frame 24 has are that first to fourth medial surface 51,52,53,54, described first and the 3rd medial surface 51,53 are provided with two grooves 55, and the described second and the 4th medial surface 52,54 is provided with three grooves 55.
In sum, the utility model provides a kind of backlight module, and its glue frame consists of the white framework and the black frame that are fixed together in engaging mode, easy to assembly quick, and also durable in use in the higher environment of temperature, long service life; It is outside that black frame is located at white framework, black frame has absorption effects, effectively improves existing backlight module light leakage phenomena, and white box is set up in black frame and its medial surface is coated with reflectorized material, can effectively reflect the light that backlight sends, and then promote the brightness of backlight module.
These are only preferred embodiment of the present utility model, be not limited to the utility model, all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. a backlight module, it is characterized in that, comprise: glue frame, be assembled in the light guide zone assembly in described glue frame and be assembled in the backboard in described glue frame, described glue frame comprises: white framework, be installed on the black frame in described white framework outside and the chase that is installed on described black frame outside, described white framework has four lateral surfaces, on each lateral surface of described white framework, be formed with several projections, described in each, projection is " T " font, described black frame has four medial surfaces, on each medial surface of described black frame, respective protrusions position is formed with several grooves, described in each, groove is " T " font, described several projection is sticked in described several groove, so that white framework and black frame are fixed together.
2. backlight module according to claim 1, is characterized in that, also comprises black and white double faced adhesive tape, and described black and white double faced adhesive tape invests described white framework and described black frame junction.
3. backlight module according to claim 1, is characterized in that, described chase is installed on described black frame outside by glue mode.
4. backlight module according to claim 1, is characterized in that, described chase is installed on described black frame outside by screw lock mode.
5. backlight module according to claim 1, is characterized in that, described white framework has four medial surfaces, on each medial surface of described white framework, is coated with reflecting material.
6. backlight module according to claim 1, it is characterized in that, described light guide zone assembly comprises: be located at backlight in backboard, be located in backboard and the LGP of backlight setting relatively, be located at the sheet emitting between LGP and backboard and be located at the blooming group on LGP.
7. backlight module according to claim 6, is characterized in that, described backlight is LED-backlit source.
8. backlight module according to claim 1, is characterized in that, four lateral surfaces that described white framework has are first to fourth lateral surface, and the described first and the 3rd lateral surface is provided with two projections, described second and all round side be provided with three projections; Four medial surfaces that described black frame has are first to fourth medial surface, and the described first and the 3rd medial surface is provided with two grooves, and the described second and the 4th medial surface is provided with three grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420311455.0U CN203927600U (en) | 2014-06-12 | 2014-06-12 | Backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420311455.0U CN203927600U (en) | 2014-06-12 | 2014-06-12 | Backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203927600U true CN203927600U (en) | 2014-11-05 |
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ID=51823408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420311455.0U Expired - Fee Related CN203927600U (en) | 2014-06-12 | 2014-06-12 | Backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203927600U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110320708A (en) * | 2019-07-09 | 2019-10-11 | 南京中电熊猫照明有限公司 | A kind of back light module unit structure |
| WO2021017311A1 (en) * | 2019-07-29 | 2021-02-04 | 武汉华星光电技术有限公司 | Backlight module and display module |
-
2014
- 2014-06-12 CN CN201420311455.0U patent/CN203927600U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110320708A (en) * | 2019-07-09 | 2019-10-11 | 南京中电熊猫照明有限公司 | A kind of back light module unit structure |
| WO2021017311A1 (en) * | 2019-07-29 | 2021-02-04 | 武汉华星光电技术有限公司 | Backlight module and display module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20200612 |