CN205579334U - Backlight module and display - Google Patents

Backlight module and display Download PDF

Info

Publication number
CN205579334U
CN205579334U CN201620371537.3U CN201620371537U CN205579334U CN 205579334 U CN205579334 U CN 205579334U CN 201620371537 U CN201620371537 U CN 201620371537U CN 205579334 U CN205579334 U CN 205579334U
Authority
CN
China
Prior art keywords
light source
backlight module
fin
guide plate
glue frame
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.)
Active
Application number
CN201620371537.3U
Other languages
Chinese (zh)
Inventor
万千
董珏辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianma Microelectronics Co Ltd
Shanghai Tianma Microelectronics Co Ltd
Original Assignee
Tianma Microelectronics Co Ltd
Shanghai Tianma Microelectronics Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tianma Microelectronics Co Ltd, Shanghai Tianma Microelectronics Co Ltd filed Critical Tianma Microelectronics Co Ltd
Priority to CN201620371537.3U priority Critical patent/CN205579334U/en
Application granted granted Critical
Publication of CN205579334U publication Critical patent/CN205579334U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Planar Illumination Modules (AREA)

Abstract

The embodiment of the utility model discloses backlight module and display, this backlight module includes: the backlight module comprises a rubber frame, a light source, a light guide plate, a reflector plate and a radiating fin; the light source and the light guide plate are fixedly accommodated in the rubber frame; the light guide plate is positioned above the reflecting sheet; the light guide plate comprises at least one light incident side, and the light emergent side of the light source is opposite to the light incident side of the light guide plate; the light source is positioned at the light source mounting part of the rubber frame; the heat sink is located below the light source. The embodiment of the utility model provides a through add the fin in the below of light source, when the produced heat of light source takes place the heat convection between light source and fin, do benefit to fin efficient heat dispersion, distribute away the heat fast, solved the problem that current backlight unit radiating efficiency is low, realized improving backlight unit's radiating efficiency's purpose, reduced the temperature of backlight unit light source department, reduced the risk of reflector plate fold.

Description

A kind of backlight module and display
Technical field
This utility model embodiment relates to back light model setting technology, particularly relates to a kind of backlight module and display.
Background technology
At present, along with more and more higher to the requirement of backlight module brightness, luminous single used in backlight module The quantity of unit also gets more and more.
In existing backlight module, glue frame, light guide plate, reflector plate and the flexible wires electrically connected with luminescence unit Road plate surrounds a closed space, and luminescence unit is arranged in this closed space.Operationally, luminescence unit The amount of heat produced cannot be derived in time by the parts of backlight module itself so that in this region, temperature is relatively High.Now, owing to there is thermal convection current between luminescence unit and reflector plate, reflector plate is heated and fold easily occurs, Carry out affecting backlight module performance.As can be seen here, backlight module after the radiating efficiency of backlight module will become The key that performance is good and bad.
Utility model content
This utility model provides a kind of backlight module and display floater, to realize improving the heat radiation of backlight module Efficiency.
First aspect, this utility model embodiment provides a kind of backlight module, this backlight module, including: Glue frame, light source, light guide plate, reflector plate and fin;
Wherein, described light source and described light guide plate are fixed and are housed in described glue frame;
Described light guide plate is positioned at above described reflector plate;Described light guide plate includes at least one incident side, described The light emission side of light source is oppositely arranged with the incident side of described light guide plate;Described light source is positioned at the light source of described glue frame Installation portion;Described fin is positioned at below described light source.
Second aspect, this utility model embodiment additionally provides a kind of display, and this display, including display Panel, and any one backlight module provided by the utility model, and described backlight module is with described Display floater is oppositely arranged, and provides backlight.
This utility model embodiment sets up fin by the lower section at light source, when produced by light source, heat exists When there is thermal convection current between light source and fin, beneficially the efficient heat dispersion of fin, quickly dissipates heat Send out, solve the problem that existing backlight module radiating efficiency is low, it is achieved that improve dissipating of backlight module The thermal efficiency, reduces the temperature at backlight module light source, reduces the risk of reflector plate fold.
Accompanying drawing explanation
The plan structure schematic diagram of a kind of backlight module that Fig. 1 provides for this utility model embodiment:
Fig. 2 is a kind of cross-sectional view of A1-A2 along Fig. 1;
The cross-sectional view of another backlight module that Fig. 3 provides for this utility model embodiment;
The cross-sectional view of another backlight module that Fig. 4 provides for this utility model embodiment;
The plan structure schematic diagram of another backlight module that Fig. 5 provides for this utility model embodiment;
Fig. 6 is the cross-sectional view of B1-B2 along Fig. 5;
The structural representation of another backlight module that Fig. 7 provides for this utility model embodiment;
The structural representation of a kind of display that Fig. 8 provides for this utility model embodiment.
Detailed description of the invention
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.It is understood that Specific embodiment described herein is used only for explaining this utility model, rather than to restriction of the present utility model. It also should be noted that, for the ease of describing, accompanying drawing illustrate only the portion relevant to this utility model Divide rather than entire infrastructure.
The plan structure schematic diagram of a kind of backlight module that Fig. 1 provides for this utility model embodiment.Fig. 2 is The cross-sectional view of A1-A2 along Fig. 1.This backlight module includes: glue frame 1, light source 2, leaded light Plate 3, reflector plate 4 and fin 5.Wherein, light source 2 and light guide plate 3 are fixed and are housed in glue frame 1. Light guide plate 3 is positioned at above reflector plate 4.Light guide plate 3 includes at least one incident side, the light emission side of light source 2 It is oppositely arranged with the incident side of light guide plate 3.Light source 2 is positioned at the light resource installing section of glue frame 1.Fin 5 Below light source 2.Light resource installing section refers to house in glue frame 1 position of light source 2.
When specific design, can according to the actual requirements this fin 5 be arranged at below glue frame 1, as Shown in Fig. 2, fin 5 is directly against on the bottom surface overlaying on glue frame 1.In other embodiments, it is also possible to Directly fin 5 and reflector plate 4 are housed in glue frame, as it is shown on figure 3, fin 5 and reflection Sheet 4 is positioned at glue frame 1.
Multiple fixed form is specifically had when fin 5 is fixed.Exemplarily, as in figure 2 it is shown, Fin 5 is positioned over the lower section of glue frame 1, is connected with the bottom surface of glue frame 1.As shown in Figure 3, it is also possible to One end of fin 5 is connected with the sidewall of glue frame 1.Fin 5 and glue frame 1 can by double faced adhesive tape or The mode of person's hot pressing is attached.
In order to improve the radiating efficiency of backlight module, it is preferred that the first end of the fin 5 in the present embodiment Docking with reflector plate 4, the second end of fin 5 is fixing with glue frame 1 to be connected.As shown in Figure 4, whole light Fin 5 it is provided with below source 2.
It should be noted that fin 5 mentioned in the present embodiment is the material with good heat conductive performance, When specific design, can select but be not limited to Copper Foil.
This utility model embodiment sets up fin by the lower section at light source, when produced by light source, heat exists When there is thermal convection current between light source and fin, beneficially the efficient heat dispersion of fin, quickly dissipates heat Send out, solve the problem that existing backlight module radiating efficiency is low, it is achieved that improve dissipating of backlight module The thermal efficiency, reduces the temperature at backlight module light source, reduces the risk of reflector plate fold.
Further, seeing Fig. 1-Fig. 4, light source 2 includes flexible circuit board 21 and is fixed on flexible circuitry Multiple luminescence units 22 on plate 21, and flexible PCB 21 is fixed on glue frame 1 and deviates from the one of fin 5 Side.According to actual design needs, luminescence unit 22 can include emitting red light unit, green emitting unit and Blue-light-emitting unit, it is also possible to be only white luminous unit.This luminescence unit 22 is specifically as follows light-emitting diodes Pipe.
The plan structure schematic diagram of another backlight module that Fig. 5 provides for this utility model embodiment.Fig. 6 Cross-sectional view for B1-B2 along Fig. 5.See shown in Fig. 5 and Fig. 6, the light source peace of glue frame 1 Dress portion is provided with light source mounting groove 11, and luminescence unit 22 is arranged in light source mounting groove 11.When fin 5 The first end when docking with reflector plate 4, as shown in Figure 6, so that the light that luminescence unit 22 is sent Sheet 4 can be reflected well reflect, it is preferable that fin 5 first end and reflector plate 4 docking location (figure In 6 at dotted line frame 31) it is positioned at light source mounting groove 11.
Further, for preferably fixing cooling fins, prevent it from offseting position during using, As it is shown in fig. 7, alternatively, glue frame 1 is provided with fin mounting groove 12 (dotted line frame region in Fig. 7). Second end of fin 5 is embedded in fin mounting groove 12, and the first end docks with reflector plate 4.It addition, Alternatively, the thickness of fin 5 is identical with the thickness of reflector plate 4, and so the benefit of design is to change The thickness of backlight module, can prevent difference in height, and so that this backlight module is smooth, attractive in appearance.
This utility model embodiment additionally provides a kind of display, and as shown in Figure 8, this display includes display Any one backlight module 20 that panel 10 and above-described embodiment provide, and backlight module 20 and display surface Plate 10 is oppositely arranged, and provides backlight.It should be noted that the display that this utility model embodiment provides Can also include that other for the circuit supporting display normally to work and device, above-mentioned display can be One in mobile phone, panel computer, Electronic Paper, digital photo frame.
This utility model embodiment sets up fin by the lower section of light source in backlight module, when light source is produced When there is thermal convection current between light source and fin in raw heat, the beneficially efficient heat dispersion of fin, will Heat Quick diffusing is gone out, and solves the problem that existing backlight module radiating efficiency is low, it is achieved that improve the back of the body The radiating efficiency of light module, reduces the temperature at backlight module luminescence unit, reduces reflector plate fold Risk.
Note, above are only preferred embodiment of the present utility model and institute's application technology principle.Art technology Those skilled in the art, it will be appreciated that this utility model is not limited to specific embodiment described here, are come by personnel Say and can carry out various obvious change, readjust and substitute without departing from protection model of the present utility model Enclose.Therefore, although by above example, this utility model is described in further detail, but this Utility model is not limited only to above example, in the case of conceiving without departing from this utility model, it is also possible to Including other Equivalent embodiments more, and scope of the present utility model is determined by scope of the appended claims.

Claims (10)

1. a backlight module, it is characterised in that including: glue frame, light source, light guide plate, reflector plate and Fin;
Wherein, described light source and described light guide plate are fixed and are housed in described glue frame;
Described light guide plate is positioned at above described reflector plate;Described light guide plate includes at least one incident side, described The light emission side of light source is oppositely arranged with the incident side of described light guide plate;Described light source is positioned at the light source of described glue frame Installation portion;Described fin is positioned at below described light source.
Backlight module the most according to claim 1, it is characterised in that described reflector plate and described dissipate Backing is fixing to be housed in described glue frame.
Backlight module the most according to claim 2, it is characterised in that the first end of described fin with Described reflector plate docks, and the second end of described fin is fixing with described glue frame to be connected.
Backlight module the most according to claim 3, it is characterised in that described light source includes flexible circuitry Plate and the multiple luminescence units being fixed in described flexible circuit board, and described flexible PCB is fixed on institute State glue frame and deviate from the side of described fin.
Backlight module the most according to claim 4, it is characterised in that the light resource installing section of described glue frame Being provided with light source mounting groove, described luminescence unit is arranged in described light source mounting groove.
Backlight module the most according to claim 4, it is characterised in that described luminescence unit is luminous two Pole is managed.
Backlight module the most according to claim 5, it is characterised in that described fin the first end and institute State reflector plate docking location and be positioned at described light source mounting groove.
Backlight module the most according to claim 5, it is characterised in that be provided with heat radiation on described glue frame Sheet mounting groove, the second end of described fin is embedded in described fin mounting groove.
Backlight module the most according to claim 1, it is characterised in that the thickness of described fin with The thickness of described reflector plate is identical.
10. a display, including display floater, it is characterised in that also include appointing in claim 1-9 Backlight module described in one, and described backlight module is oppositely arranged with described display floater, and backlight is provided.
CN201620371537.3U 2016-04-28 2016-04-28 Backlight module and display Active CN205579334U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620371537.3U CN205579334U (en) 2016-04-28 2016-04-28 Backlight module and display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620371537.3U CN205579334U (en) 2016-04-28 2016-04-28 Backlight module and display

Publications (1)

Publication Number Publication Date
CN205579334U true CN205579334U (en) 2016-09-14

Family

ID=56858601

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620371537.3U Active CN205579334U (en) 2016-04-28 2016-04-28 Backlight module and display

Country Status (1)

Country Link
CN (1) CN205579334U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106842696A (en) * 2016-12-20 2017-06-13 武汉华星光电技术有限公司 A kind of backlight module
CN107514574A (en) * 2017-09-08 2017-12-26 深圳市宝明科技股份有限公司 A kind of mobile phone backlight radiator structure and backlight module
WO2020107865A1 (en) * 2018-11-30 2020-06-04 武汉华星光电技术有限公司 Backlight module

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106842696A (en) * 2016-12-20 2017-06-13 武汉华星光电技术有限公司 A kind of backlight module
WO2018112999A1 (en) * 2016-12-20 2018-06-28 武汉华星光电技术有限公司 Backlight module
CN106842696B (en) * 2016-12-20 2019-08-02 武汉华星光电技术有限公司 A kind of backlight module
US10437088B2 (en) 2016-12-20 2019-10-08 Wuhan China Star Optoelectronics Technology Co., Ltd. Backlight module
CN107514574A (en) * 2017-09-08 2017-12-26 深圳市宝明科技股份有限公司 A kind of mobile phone backlight radiator structure and backlight module
WO2020107865A1 (en) * 2018-11-30 2020-06-04 武汉华星光电技术有限公司 Backlight module

Similar Documents

Publication Publication Date Title
CN108986681B (en) Backlight display screen and mobile terminal
TW201124671A (en) Lighting device
CN205579339U (en) Backlight module and display
CN106801823B (en) A kind of backlight module and display device
JP2009245885A (en) Surface light source device
CN102214773A (en) Light emitting device and light unit having the same
CN104235641A (en) Ultrathin-type LED light engine
CN205579334U (en) Backlight module and display
WO2019010974A1 (en) Backlight module and liquid crystal display device
CN104267538A (en) Efficient cooling LED backlight device
CN205157931U (en) Heat radiation structure and LCD are shaded
KR101107770B1 (en) LED package and back light unit
TW201339472A (en) Illumination unit and display apparatus using the same
CN107290898B (en) Backlight assembly
WO2019210765A1 (en) Light source, backlight module and manufacturing method therefor, and display device
TW201037409A (en) Liquid crystal display and backlight module and assembly method for the same
KR101538554B1 (en) LED illumination device type corner
CN202769315U (en) Lamp bulb
CN202065933U (en) Heat dissipation component of backlight light source
JP4898879B2 (en) LED module with light diffusion layer formed
JP5526622B2 (en) Flexible substrate for backlight unit and backlight unit using the same
CN101832528B (en) Heat radiating module for light-emitting device and LED device
CN210511101U (en) Light-emitting component, light-emitting module and terminal equipment
KR101734964B1 (en) slim type LED module and sign board including thereof
CN207849013U (en) A kind of backlight module

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant