CN108459434A - A kind of backlight module - Google Patents
A kind of backlight module Download PDFInfo
- Publication number
- CN108459434A CN108459434A CN201711475292.4A CN201711475292A CN108459434A CN 108459434 A CN108459434 A CN 108459434A CN 201711475292 A CN201711475292 A CN 201711475292A CN 108459434 A CN108459434 A CN 108459434A
- Authority
- CN
- China
- Prior art keywords
- graphite heat
- heat radiation
- heat sink
- radiation fin
- guide plate
- 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
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 51
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 51
- 239000010439 graphite Substances 0.000 claims abstract description 51
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 13
- 239000002390 adhesive tape Substances 0.000 claims description 2
- 230000005855 radiation Effects 0.000 claims 11
- 230000003287 optical effect Effects 0.000 claims 2
- 239000012788 optical film Substances 0.000 abstract description 8
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133628—Illuminating devices with cooling means
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
Abstract
本发明公开了一种背光模组，包括背板、设置于背板上的导光板、设置于导光板的侧入光面的一侧的光源、石墨散热片，光源安装于石墨散热片的底面，且石墨散热片的一端压设于导光板的顶出光面上，石墨散热片的另一端与背板可拆卸连接，导光板的顶面设有光学膜片，光学膜片的顶面压设有液晶面板，液晶面板通过与背板连接的框体压持固定，液晶面板的朝向石墨散热片的一端压设于石墨散热片的顶面，石墨散热片的一端间隔开设有多个第一通孔，框体上开设有与第一通孔的位置对应的螺柱孔，石墨散热片通过螺栓依次穿过第一通孔及螺柱孔与框体连接。石墨散热片强度好，不易变形，可以有效避免漏光、灯影。
The invention discloses a backlight module, which comprises a back plate, a light guide plate arranged on the back plate, a light source arranged on one side of the light incident surface of the light guide plate, and a graphite heat sink, and the light source is installed on the bottom surface of the graphite heat sink , and one end of the graphite heat sink is pressed on the top surface of the light guide plate, the other end of the graphite heat sink is detachably connected to the back plate, the top surface of the light guide plate is provided with an optical film, and the top surface of the optical film is pressed There is a liquid crystal panel, the liquid crystal panel is pressed and fixed by the frame connected to the back plate, the end of the liquid crystal panel facing the graphite heat sink is pressed on the top surface of the graphite heat sink, and one end of the graphite heat sink is provided with a plurality of first channels The frame body is provided with a stud hole corresponding to the position of the first through hole, and the graphite heat sink is connected to the frame body through the first through hole and the stud hole in sequence through bolts. The graphite heat sink has good strength and is not easy to deform, which can effectively avoid light leakage and light shadow.
Description
技术领域technical field
本发明涉及显示技术领域，尤其涉及一种背光模组。The invention relates to the field of display technology, in particular to a backlight module.
背景技术Background technique
现有的背光模组一般包括背板、导光板、散热板、及LED灯条，其中，导光板设置于背板上，散热板与背板连接，LED灯条设置于导光板的侧部并固定于散热板的顶面，光学膜片设置于导光板上，液晶面板压设于光学膜片上。通常地，在液晶面板与导光板之间有一个塑胶框来过度，但是，这种背光模组的结构比较复杂，加工成本较高。Existing backlight modules generally include a backplane, a light guide plate, a heat dissipation plate, and LED light strips, wherein the light guide plate is arranged on the backplane, the heat dissipation plate is connected to the backplane, and the LED light strips are arranged on the side of the light guide plate and connected to the backplane. It is fixed on the top surface of the cooling plate, the optical film is arranged on the light guide plate, and the liquid crystal panel is pressed on the optical film. Usually, there is a plastic frame between the liquid crystal panel and the light guide plate. However, the structure of this backlight module is relatively complicated, and the processing cost is relatively high.
发明内容Contents of the invention
鉴于以上问题，本发明的目的是目的在于提出一种背光模组，用石墨散热片压住导光板，节省了塑胶框，同时，石墨散热片强度好，不易变形，可以有效避免漏光、灯影。In view of the above problems, the purpose of the present invention is to propose a backlight module, which uses a graphite heat sink to press the light guide plate, saving the plastic frame. At the same time, the graphite heat sink has good strength and is not easy to deform, which can effectively avoid light leakage and lamp shadow.
为了实现上述目的，本发明采用以下技术方案：In order to achieve the above object, the present invention adopts the following technical solutions:
一种背光模组，包括背板、设置于所述背板上的导光板、及设置于所述导光板的侧入光面的一侧的光源；其特征在于，还包括石墨散热片，所述光源安装于所述石墨散热片的底面，且所述石墨散热片的一端压设于所述导光板的顶出光面上，所述石墨散热片的另一端与所述背板可拆卸连接，并且所述导光板的顶面设有光学膜片，所述光学膜片的顶面压设有液晶面板，所述液晶面板通过与所述背板连接的框体压持固定，所述液晶面板的朝向所述石墨散热片的一端压设于所述石墨散热片的顶面，所述石墨散热片的所述一端间隔开设有多个第一通孔，所述框体上开设有与所述第一通孔的位置对应的螺柱孔，所述石墨散热片通过螺栓依次穿过所述第一通孔及所述螺柱孔与所述框体连接。A backlight module, comprising a backplane, a light guide plate arranged on the backplane, and a light source arranged on one side of the light-incident surface of the light guide plate; it is characterized in that it also includes a graphite heat sink, the The light source is installed on the bottom surface of the graphite heat sink, and one end of the graphite heat sink is pressed on the light emitting surface of the light guide plate, and the other end of the graphite heat sink is detachably connected to the back plate, And the top surface of the light guide plate is provided with an optical film, and the top surface of the optical film is pressed with a liquid crystal panel, and the liquid crystal panel is pressed and fixed by the frame connected to the back plate, and the liquid crystal panel One end facing the graphite heat sink is pressed on the top surface of the graphite heat sink, the one end of the graphite heat sink is separated from a plurality of first through holes, and the frame body is provided with a The position of the first through hole corresponds to the stud hole, and the graphite heat sink is connected to the frame body through the first through hole and the stud hole in sequence through bolts.
优选地，所述光源包括多个间隔设置的LED灯，所述LED灯安装于所述石墨散热片上。Preferably, the light source includes a plurality of LED lamps arranged at intervals, and the LED lamps are installed on the graphite heat sink.
优选地，所述背板的顶面设有凹槽，所述凹槽的开口的边缘向外延伸形成翻边，所述导光板及所述LED灯均设置于所述凹槽内，所述石墨散热片的另一端与所述翻边可拆卸连接。Preferably, the top surface of the back plate is provided with a groove, the edge of the opening of the groove extends outward to form a flange, the light guide plate and the LED lamp are both arranged in the groove, the The other end of the graphite heat sink is detachably connected to the flange.
优选地，所述导光板的底面的边缘通过双面胶与所述背板粘接。Preferably, the edge of the bottom surface of the light guide plate is bonded to the back plate by double-sided adhesive.
优选地，所述石墨散热片的另一端间隔开设有多个第二通孔，所述背板上开设有与所述第二通孔的位置对应的螺柱孔，所述石墨散热片通过螺栓依次穿过所述第二通孔及所述螺柱孔与所述背板连接。Preferably, the other end of the graphite heat sink is provided with a plurality of second through holes at intervals, and the back plate is provided with stud holes corresponding to the positions of the second through holes, and the graphite heat sink is passed through bolt holes. passing through the second through hole and the stud hole in turn to connect with the backboard.
与现有技术相比，本发明具有以下优点和有益效果：用石墨散热片压住导光板，节省了塑胶框，同时，石墨散热片强度好，不易变形，可以有效避免漏光、灯影。Compared with the prior art, the present invention has the following advantages and beneficial effects: the graphite heat sink is used to press the light guide plate, which saves the plastic frame; at the same time, the graphite heat sink has good strength and is not easily deformed, which can effectively avoid light leakage and lamp shadow.
附图说明Description of drawings
图1是本发明的一种背光模组的结构示意图。FIG. 1 is a schematic structural view of a backlight module of the present invention.
具体实施方式Detailed ways
下面将参考附图，对本发明做进一步详细的说明，以便于本发明更加清楚和易于理解。本领域的普通技术人员可以认识到，在不偏离本发明的精神和范围的情况下，可以用各种不同的方式或其组合对所描述的实施例进行修正。因此，附图和描述在本质上是说明性的，而不是用于限制权利要求的保护范围。此外，在本说明书中，附图未按比例画出，并且相同的附图标记表示相同的部分。The present invention will be described in further detail below with reference to the accompanying drawings, so as to make the present invention clearer and easier to understand. Those skilled in the art would recognize that the described embodiments can be modified in various ways or combinations thereof without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims. Also, in this specification, the drawings are not drawn to scale, and like reference numerals denote like parts.
下面结合图1详细说明本发明的实施例。An embodiment of the present invention will be described in detail below with reference to FIG. 1 .
如图1所示，一种背光模组，包括背板1、设置于背板1上的导光板2、及设置于导光板2的侧入光面的一侧的光源4；还包括石墨散热片3，光源安装于石墨散热片3的底面，且石墨散热片3的一端压设于导光板2的顶出光面上，石墨散热片3的另一端与背板1可拆卸连接。As shown in Figure 1, a backlight module includes a backplane 1, a light guide plate 2 arranged on the backplane 1, and a light source 4 arranged on one side of the side light incident surface of the light guide plate 2; Sheet 3, the light source is installed on the bottom surface of the graphite heat sink 3, and one end of the graphite heat sink 3 is pressed on the light emitting surface of the light guide plate 2, and the other end of the graphite heat sink 3 is detachably connected to the backplane 1.
导光板2的顶面设有光学膜片5，光学膜片5的顶面压设有液晶面板6，液晶面板6通过与背板1连接的框体7压持固定；液晶面板6的朝向石墨散热片3的一端压设于石墨散热片3的顶面，从而能够有效防止石墨散热片3的端部发生翘起，避免漏光。石墨散热片3的所述一端间隔开设有多个第一通孔，框体7上开设有与所述第一通孔的位置对应的螺柱孔，石墨散热片3通过螺栓11依次穿过第一通孔及螺柱孔与框体7连接。The top surface of the light guide plate 2 is provided with an optical film 5, and the top surface of the optical film 5 is pressed with a liquid crystal panel 6, and the liquid crystal panel 6 is pressed and fixed by the frame body 7 connected to the back plate 1; One end of the heat sink 3 is pressed on the top surface of the graphite heat sink 3 , thereby effectively preventing the end of the graphite heat sink 3 from lifting and avoiding light leakage. The one end of the graphite heat sink 3 is provided with a plurality of first through holes at intervals, and the frame body 7 is provided with stud holes corresponding to the positions of the first through holes, and the graphite heat sink 3 passes through the first through holes sequentially through the bolts 11. A through hole and a stud hole are connected with the frame body 7 .
本发明提出的一种背光模组，采用石墨散热片3倒装的设计，直接用石墨散热片3压住导光板2，节省了塑胶框，同时，石墨散热片3的强度好，不易变形，可以有效避免漏光、灯影。此外，采用螺栓将石墨散热片3与框体7连接，能够增加安装强度。A backlight module proposed by the present invention adopts the graphite heat sink 3 inverted design, directly uses the graphite heat sink 3 to press the light guide plate 2, saves the plastic frame, and at the same time, the graphite heat sink 3 has good strength and is not easy to deform. It can effectively avoid light leakage and light shadow. In addition, bolts are used to connect the graphite heat sink 3 to the frame body 7, which can increase the installation strength.
作为本发明的进一步改进，光源包括多个间隔设置的LED灯4，LED灯4安装于石墨散热片3上。As a further improvement of the present invention, the light source includes a plurality of LED lamps 4 arranged at intervals, and the LED lamps 4 are installed on the graphite heat sink 3 .
作为本发明的进一步改进，背板1的顶面设有凹槽111，凹槽111的开口的边缘向外延伸形成翻边112，导光板2及LED灯4均设置于凹槽111内，石墨散热片3的另一端与翻边112可拆卸连接，以进一步提高光源的利用率；其中，导光板2与背板1之间设有反光片8，导光板2的底面的边缘通过双面胶与背板1粘接，从而使导光板2能够牢固地固定于凹槽111内。As a further improvement of the present invention, the top surface of the back plate 1 is provided with a groove 111, and the edge of the opening of the groove 111 extends outward to form a flange 112, and the light guide plate 2 and the LED lamp 4 are both arranged in the groove 111, graphite The other end of the heat sink 3 is detachably connected to the flange 112 to further improve the utilization rate of the light source; wherein, a reflective sheet 8 is provided between the light guide plate 2 and the back plate 1, and the edge of the bottom surface of the light guide plate 2 is passed through double-sided adhesive tape. It is glued to the back plate 1 so that the light guide plate 2 can be firmly fixed in the groove 111 .
作为本发明的进一步改进，石墨散热片3的另一端间隔开设有多个通孔，背板1上开设有与通孔的位置对应的螺柱孔，石墨散热片3通过螺栓12依次穿过通孔及螺柱孔与背板1连接。As a further improvement of the present invention, the other end of the graphite heat sink 3 is provided with a plurality of through holes at intervals, and the back plate 1 is provided with stud holes corresponding to the positions of the through holes. The holes and the stud holes are connected with the back plate 1.
以上所述仅为本发明的优选实施例，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711475292.4A CN108459434A (en) | 2017-12-29 | 2017-12-29 | A kind of backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711475292.4A CN108459434A (en) | 2017-12-29 | 2017-12-29 | A kind of backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108459434A true CN108459434A (en) | 2018-08-28 |
Family
ID=63220505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711475292.4A Pending CN108459434A (en) | 2017-12-29 | 2017-12-29 | A kind of backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108459434A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494273A (en) * | 2011-11-29 | 2012-06-13 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN202546511U (en) * | 2012-04-19 | 2012-11-21 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display |
| CN102841458A (en) * | 2012-08-21 | 2012-12-26 | 深圳市华星光电技术有限公司 | Liquid crystal display device without frame |
| CN103912821A (en) * | 2013-01-04 | 2014-07-09 | 扬升照明股份有限公司 | Backlight module |
| CN206546483U (en) * | 2017-02-28 | 2017-10-10 | 奥英光电（苏州）有限公司 | A kind of side-entering type backlight module |
| CN207895202U (en) * | 2017-12-29 | 2018-09-21 | 重庆市中光电显示技术有限公司 | A kind of backlight module |
-
2017
- 2017-12-29 CN CN201711475292.4A patent/CN108459434A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494273A (en) * | 2011-11-29 | 2012-06-13 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN202546511U (en) * | 2012-04-19 | 2012-11-21 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display |
| CN102841458A (en) * | 2012-08-21 | 2012-12-26 | 深圳市华星光电技术有限公司 | Liquid crystal display device without frame |
| CN103912821A (en) * | 2013-01-04 | 2014-07-09 | 扬升照明股份有限公司 | Backlight module |
| CN206546483U (en) * | 2017-02-28 | 2017-10-10 | 奥英光电（苏州）有限公司 | A kind of side-entering type backlight module |
| CN207895202U (en) * | 2017-12-29 | 2018-09-21 | 重庆市中光电显示技术有限公司 | A kind of backlight module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101949526B (en) | Side-entering type backlight module and back-plate heat radiating structure thereof | |
| US20140176867A1 (en) | Edge type backlight module and liquid crystal display for preventing light leakage | |
| JP6195400B2 (en) | Mounting structure of liquid crystal display device | |
| CN107620880B (en) | Backlight module and display device | |
| WO2019000637A1 (en) | Backlight module and display device | |
| JP6522893B2 (en) | Display device | |
| CN204300865U (en) | A kind of liquid crystal indicator and backlight module thereof | |
| EP3904952B1 (en) | Direct-type backlight module and display | |
| CN103941473A (en) | Display module | |
| CN102721011B (en) | Support member for supporting light guide plate, and backlight module, display module and display device using the same | |
| WO2020252941A1 (en) | Backlight module and display device thereof | |
| WO2018232791A1 (en) | Plastic frame and backlight module for backlight module, liquid crystal display module | |
| CN101561101A (en) | Backlight module | |
| CN112748595A (en) | Display module and display device | |
| US10684409B2 (en) | Backlight module and liquid crystal display device | |
| CN105180100B (en) | Glue frame component, backlight and display device | |
| CN206546483U (en) | A kind of side-entering type backlight module | |
| CN105511163A (en) | Backlight module and display screen | |
| CN108922403A (en) | A kind of backboard, backlight module and display module | |
| CN108459434A (en) | A kind of backlight module | |
| CN108037616A (en) | A kind of backlight module | |
| CN204853341U (en) | Backlight unit , display module assembly and display device | |
| CN207895202U (en) | A kind of backlight module | |
| CN103955086A (en) | Liquid crystal module | |
| CN207895201U (en) | A kind of backlight module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180828 |
|
| RJ01 | Rejection of invention patent application after publication |